allow to override embedded frontend (#533)

* Add pfSense backend domain types and configuration

This adds the necessary domain types and configuration structures
for the pfSense backend support. Includes PfsenseInterfaceExtras and
PfsensePeerExtras structs, and the BackendPfsense configuration
with API URL, key, and timeout settings.

* Add low-level pfSense REST API client

Implements the HTTP client for interacting with the pfSense REST API.
Handles authentication via X-API-Key header, request/response parsing,
and error handling. Uses the pfSense REST API v2 endpoints as documented
at https://pfrest.org/.

* Implement pfSense WireGuard controller

This implements the InterfaceController interface for pfSense firewalls.
Handles WireGuard tunnel and peer management through the pfSense REST API.
Includes proper filtering of peers by interface (since API filtering doesn't
work) and parsing of the allowedips array structure with address/mask fields.

* Register pfSense controllers and update configuration

Registers the pfSense backend controllers in the controller manager
and adds example configuration to config.yml.sample. Also updates
README to mention pfSense backend support.

* Fix peer filtering and allowedips parsing for pfSense backend

The pfSense REST API doesn't support filtering peers by interface
via query parameters, so all peers are returned regardless of the
filter. This caused peers from all interfaces to be randomly assigned
to a single interface in wg-portal.

Additionally, the API returns allowedips as an array of objects with
"address" and "mask" fields instead of a comma-separated string,
which caused parsing failures.

Changes:
- Remove API filter from GetPeers() since it doesn't work
- Add client-side filtering by checking the "tun" field in peer responses
- Update convertWireGuardPeer() to parse allowedips array structure
- Add parseAddressArray() helper for parsing address objects
- Attempt to fetch interface addresses from /tunnel/{id}/address endpoint
  (endpoint may not be available in all pfSense versions)
- Add debug logging for peer filtering and address loading operations

Note: Interface addresses may still be empty if the address endpoint
is not available. Public Endpoint and Default DNS Servers are typically
configured manually in wg-portal as the pfSense API doesn't provide
this information.

* Extract endpoint, DNS, and peer names from pfSense peer data

The pfSense API provides endpoint, port, and description (descr) fields
in peer responses that can be used to populate interface defaults and
peer display names.

Changes:
- Extract endpoint and port from peers and combine them properly
- Fix peer name/description extraction to check "descr" field first
  (pfSense API uses "descr" instead of "description" or "comment")
- Add extractPfsenseDefaultsFromPeers() helper to extract common
  endpoint and DNS from peers during interface import
- Set PeerDefEndpoint and PeerDefDnsStr from peer data for pfSense
  backends during interface import
- Use most common endpoint/DNS values when multiple peers are present

* Fix interface display name to use descr field from pfSense API

The pfSense API uses "descr" field for tunnel descriptions, not
"description" or "comment". Updated convertWireGuardInterface()
to check "descr" first so that tunnel descriptions (e.g., "HQ VPN")
are displayed in the UI instead of just the tunnel name (e.g., "tun_wg0").

* Remove calls to non-working tunnel and peer detail endpoints

The pfSense REST API endpoints /api/v2/vpn/wireguard/tunnel/{id}
and /api/v2/vpn/wireguard/tunnel/{id}/address don't work and were
causing log spam. Removed these calls and use only the data from
the tunnel/peer list responses.

Also removed the peer detail endpoint call that was added for
statistics collection, as it likely doesn't work either.

* Fix unused variable compilation error

Removed unused deviceId variable that was causing build failure.

* Optimize tunnel address fetching to use /tunnel?id endpoint

Instead of using the separate /tunnel/address endpoint, now query
the specific tunnel endpoint /tunnel?id={id} which includes the
addresses array in the response. This avoids unnecessary API calls
and simplifies the code.

- GetInterface() now queries /tunnel?id={id} after getting tunnel ID
- loadInterfaceData() queries /tunnel?id={id} as fallback if addresses missing
- extractAddresses() properly parses addresses array from tunnel response
- Removed /tunnel/address endpoint calls

Signed-off-by: rwjack <jack@foss.family>

* Fix URL encoding issue in tunnel endpoint queries

Use Filters in PfsenseRequestOptions instead of passing query strings
directly in the path. This prevents the ? character from being encoded
as %3F, which was causing 404 errors.

- GetInterface() now uses Filters map for id parameter
- loadInterfaceData() now uses Filters map for id parameter

Signed-off-by: rwjack <jack@foss.family>

* update backend docs for pfsense

---------

Signed-off-by: rwjack <jack@foss.family>

.github/workflows/chart.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event_name == 'pull_request' }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           fetch-depth: 0
 
@@ -35,16 +35,16 @@ jobs:
       # ct lint requires Python 3.x to run following packages:
       #  - yamale (https://github.com/23andMe/Yamale)
       #  - yamllint (https://github.com/adrienverge/yamllint)
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
         with:
           python-version: '3.x'
 
-      - uses: helm/chart-testing-action@v2
+      - uses: helm/chart-testing-action@6ec842c01de15ebb84c8627d2744a0c2f2755c9f # v2.8.0
 
       - name: Run chart-testing (lint)
         run: ct lint --config ct.yaml
 
-      - uses: nolar/setup-k3d-k3s@v1
+      - uses: nolar/setup-k3d-k3s@293b8e5822a20bc0d5bcdd4826f1a665e72aba96 # v1.0.9
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -60,9 +60,9 @@ jobs:
     permissions:
       packages: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
-      - uses: docker/login-action@v3
+      - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/docker-publish.yml

@@ -18,13 +18,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Get Version
         shell: bash
@@ -32,14 +32,14 @@ jobs:
 
       - name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Login to GitHub Container Registry
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -47,7 +47,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
         with:
           images: |
             wgportal/wg-portal
@@ -68,7 +68,7 @@ jobs:
             type=semver,pattern=v{{major}}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
@@ -80,7 +80,7 @@ jobs:
             BUILD_VERSION=${{ env.BUILD_VERSION }}
 
       - name: Export binaries from images
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
           platforms: linux/amd64,linux/arm64,linux/arm/v7
@@ -96,7 +96,7 @@ jobs:
           done
 
       - name: Upload binaries
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: binaries
           path: binaries/wg-portal_linux*
@@ -110,12 +110,12 @@ jobs:
       contents: write
     steps:
       - name: Download binaries
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: binaries
 
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2.5.0
         with:
           files: 'wg-portal_linux*'
           generate_release_notes: true

.github/workflows/pages.yml

@@ -15,11 +15,11 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
         with:
           python-version: 3.x
 
@@ -37,4 +37,4 @@ jobs:
         run: mike deploy --push --update-aliases ${{ github.ref_name }} latest
         env:
           GIT_COMMITTER_NAME: "github-actions[bot]"
-          GIT_COMMITTER_EMAIL: "41898282+github-actions[bot]@users.noreply.github.com"
+          GIT_COMMITTER_EMAIL: "41898282+github-actions[bot]@users.noreply.github.com"

Dockerfile

@@ -50,7 +50,7 @@ COPY --from=builder /build/dist/wg-portal /
 ######
 # Final image
 ######
-FROM alpine:3.22
+FROM alpine:3.23
 # Install OS-level dependencies
 RUN apk add --no-cache bash curl iptables nftables openresolv wireguard-tools tzdata
 # Setup timezone

README.md

@@ -32,7 +32,7 @@ The configuration portal supports using a database (SQLite, MySQL, MsSQL, or Pos
 * Docker ready
 * Can be used with existing WireGuard setups
 * Support for multiple WireGuard interfaces
-* Supports multiple WireGuard backends (wgctrl or MikroTik)
+* Supports multiple WireGuard backends (wgctrl, MikroTik, or pfSense)
 * Peer Expiry Feature
 * Handles route and DNS settings like wg-quick does
 * Exposes Prometheus metrics for monitoring and alerting

cmd/wg-portal/main.go

@@ -53,8 +53,6 @@ func main() {
 	wireGuard, err := wireguard.NewControllerManager(cfg)
 	internal.AssertNoError(err)
 
-	wgQuick := adapters.NewWgQuickRepo()
-
 	mailer := adapters.NewSmtpMailRepo(cfg.Mail)
 
 	metricsServer := adapters.NewMetricsServer(cfg)
@@ -93,7 +91,7 @@ func main() {
 	webAuthn, err := auth.NewWebAuthnAuthenticator(cfg, eventBus, userManager)
 	internal.AssertNoError(err)
 
-	wireGuardManager, err := wireguard.NewWireGuardManager(cfg, eventBus, wireGuard, wgQuick, database)
+	wireGuardManager, err := wireguard.NewWireGuardManager(cfg, eventBus, wireGuard, database)
 	internal.AssertNoError(err)
 	wireGuardManager.StartBackgroundJobs(ctx)
 
@@ -107,7 +105,7 @@ func main() {
 	mailManager, err := mail.NewMailManager(cfg, mailer, cfgFileManager, database, database)
 	internal.AssertNoError(err)
 
-	routeManager, err := route.NewRouteManager(cfg, eventBus, database)
+	routeManager, err := route.NewRouteManager(cfg, eventBus, database, wireGuard)
 	internal.AssertNoError(err)
 	routeManager.StartBackgroundJobs(ctx)
 

config.yml.sample

@@ -12,6 +12,18 @@ core:
 web:
   external_url: http://localhost:8888
   request_logging: true
+  # Optional path where custom frontend files are stored.
+  # If this folder contains at least one file, it will override the embedded frontend.
+  # If the folder is empty or does not exist on startup, the embedded frontend will be
+  # written into it. Leave empty to use the embedded frontend only.
+  frontend_filepath: ""
+
+mail:
+  # Path where custom email templates (.gotpl and .gohtml) are stored.
+  # If the directory is empty on startup, the default embedded templates
+  # will be written there so you can modify them.
+  # Leave empty to use embedded templates only.
+  templates_path: ""
 
 webhook:
   url: ""
@@ -93,4 +105,16 @@ auth:
         admin_value_regex: ^true$
         admin_group_regex: ^admin-group-name$
       registration_enabled: true
-      log_user_info: true
+      log_user_info: true
+
+backend:
+  default: local
+  pfsense:
+    - id: pfsense1
+      display_name: "Main pfSense Firewall"
+      api_url: "https://pfsense.example.com"  # Base URL without /api/v2 (endpoints already include it)
+      api_key: "your-api-key"  # Generate in pfSense under 'System' -> 'REST API' -> 'Keys'
+      api_verify_tls: true
+      api_timeout: 30s
+      concurrency: 5
+      debug: false

deploy/helm/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: wg-portal
 description: WireGuard Configuration Portal with LDAP, OAuth, OIDC authentication
 # Version is set to ensure compatibility with the chart's Ingress resource.
-kubeVersion: ">=1.19.0"
+kubeVersion: ">=1.19.0-0"
 type: application
 home: https://wgportal.org
 icon: https://wgportal.org/latest/assets/images/logo.svg
@@ -16,7 +16,7 @@ annotations:
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.7.1
+version: 0.7.2
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

deploy/helm/README.md

@@ -1,6 +1,6 @@
 # wg-portal
 
-![Version: 0.7.1](https://img.shields.io/badge/Version-0.7.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v2](https://img.shields.io/badge/AppVersion-v2-informational?style=flat-square)
+![Version: 0.7.2](https://img.shields.io/badge/Version-0.7.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v2](https://img.shields.io/badge/AppVersion-v2-informational?style=flat-square)
 
 WireGuard Configuration Portal with LDAP, OAuth, OIDC authentication
 
@@ -12,7 +12,7 @@ WireGuard Configuration Portal with LDAP, OAuth, OIDC authentication
 
 ## Requirements
 
-Kubernetes: `>=1.19.0`
+Kubernetes: `>=1.19.0-0`
 
 ## Installing the Chart
 

docs/documentation/configuration/examples.md

@@ -15,6 +15,9 @@ backend:
   # default backend decides where new interfaces are created
   default: mikrotik
 
+  # A prefix for resolvconf. Usually it is "tun.". If you are using systemd, the prefix should be empty.
+  local_resolvconf_prefix: "tun."
+
   mikrotik:
     - id: mikrotik                   # unique id, not "local"
       display_name: RouterOS RB5009  # optional nice name
@@ -64,8 +67,7 @@ auth:
 auth:
   ldap:
     # a sample LDAP provider with user sync enabled
-    - id: ldap
-      provider_name: Active Directory
+    - provider_name: ldap
       url: ldap://srv-ad1.company.local:389
       bind_user: ldap_wireguard@company.local
       bind_pass: super-s3cr3t-ldap
@@ -96,8 +98,7 @@ auth:
   oidc:
     # A sample Entra ID provider with environment variable substitution.
     # Only users with an @outlook.com email address are allowed to register or login.
-    - id: azure
-      provider_name: azure
+    - provider_name: azure
       display_name: Login with</br>Entra ID
       registration_enabled: true
       base_url: "https://login.microsoftonline.com/${AZURE_TENANT_ID}/v2.0"
@@ -110,8 +111,7 @@ auth:
         - email
 
     # a sample provider where users with the attribute `wg_admin` set to `true` are considered as admins
-    - id: oidc-with-admin-attribute
-      provider_name: google
+    - provider_name: google
       display_name: Login with</br>Google
       base_url: https://accounts.google.com
       client_id: the-client-id-1234.apps.googleusercontent.com
@@ -133,8 +133,7 @@ auth:
       log_user_info: true
 
     # a sample provider where users in the group `the-admin-group` are considered as admins
-    - id: oidc-with-admin-group
-      provider_name: google2
+    - provider_name: google2
       display_name: Login with</br>Google2
       base_url: https://accounts.google.com
       client_id: another-client-id-1234.apps.googleusercontent.com
@@ -165,8 +164,7 @@ auth:
   oauth:
     # a sample provider where users with the attribute `this-attribute-must-be-true` set to `true` or `True`
     # are considered as admins
-    - id: google_plain_oauth-with-admin-attribute
-      provider_name: google3
+    - provider_name: google3
       display_name: Login with</br>Google3
       client_id: another-client-id-1234.apps.googleusercontent.com
       client_secret: A_CLIENT_SECRET
@@ -188,8 +186,7 @@ auth:
     
     # a sample provider where either users with the attribute `this-attribute-must-be-true` set to `true` or 
     # users in the group `admin-group-name` are considered as admins
-    - id: google_plain_oauth_with_groups
-      provider_name: google4
+    - provider_name: google4
       display_name: Login with</br>Google4
       client_id: another-client-id-1234.apps.googleusercontent.com
       client_secret: A_CLIENT_SECRET

docs/documentation/configuration/overview.md

@@ -28,6 +28,7 @@ core:
   
 backend:
   default: local
+  local_resolvconf_prefix: tun.
 
 advanced:
   log_level: info
@@ -72,6 +73,8 @@ mail:
   auth_type: plain
   from: Wireguard Portal <noreply@wireguard.local>
   link_only: false
+  allow_peer_email: false
+  templates_path: ""
 
 auth:
   oidc: []
@@ -94,6 +97,7 @@ web:
   expose_host_info: false
   cert_file: ""
   key_File: ""
+  frontend_filepath: ""
 
 webhook:
   url: ""
@@ -125,51 +129,63 @@ More advanced options are found in the subsequent `Advanced` section.
 
 ### `admin_user`
 - **Default:** `admin@wgportal.local`
+- **Environment Variable:** `WG_PORTAL_CORE_ADMIN_USER`
 - **Description:** The administrator user. This user will be created as a default admin if it does not yet exist.
 
 ### `admin_password`
 - **Default:** `wgportal-default`
+- **Environment Variable:** `WG_PORTAL_CORE_ADMIN_PASSWORD`
 - **Description:** The administrator password. The default password should be changed immediately!
 - **Important:** The password should be strong and secure. The minimum password length is specified in [auth.min_password_length](#min_password_length). By default, it is 16 characters.
 
 ### `disable_admin_user`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_CORE_DISABLE_ADMIN_USER`
 - **Description:** If `true`, no admin user is created. This is useful if you plan to manage users exclusively through external authentication providers such as LDAP or OAuth.
 
 ### `admin_api_token`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_CORE_ADMIN_API_TOKEN`
 - **Description:** An API token for the admin user. If a token is provided, the REST API can be accessed using this token. If empty, the API is initially disabled for the admin user.
 
 ### `editable_keys`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_CORE_EDITABLE_KEYS`
 - **Description:** Allow editing of WireGuard key-pairs directly in the UI.
 
 ### `create_default_peer`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_CORE_CREATE_DEFAULT_PEER`
 - **Description:** If a user logs in for the first time with no existing peers, automatically create a new WireGuard peer for **all** server interfaces.
 
 ### `create_default_peer_on_creation`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_CORE_CREATE_DEFAULT_PEER_ON_CREATION`
 - **Description:** If an LDAP user is created (e.g., through LDAP sync) and has no peers, automatically create a new WireGuard peer for **all** server interfaces.
 
 ### `re_enable_peer_after_user_enable`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_CORE_RE_ENABLE_PEER_AFTER_USER_ENABLE`
 - **Description:** Re-enable all peers that were previously disabled if the associated user is re-enabled.
 
 ### `delete_peer_after_user_deleted`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_CORE_DELETE_PEER_AFTER_USER_DELETED`
 - **Description:** If a user is deleted, remove all linked peers. Otherwise, peers remain but are disabled.
 
 ### `self_provisioning_allowed`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_CORE_SELF_PROVISIONING_ALLOWED`
 - **Description:** Allow registered (non-admin) users to self-provision peers from their profile page.
 
 ### `import_existing`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_CORE_IMPORT_EXISTING`
 - **Description:** On startup, import existing WireGuard interfaces and peers into WireGuard Portal.
 
 ### `restore_state`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_CORE_RESTORE_STATE`
 - **Description:** Restore the WireGuard interface states (up/down) that existed before WireGuard Portal started.
 
 ---
@@ -184,8 +200,16 @@ The current MikroTik backend is in **BETA** and may not support all features.
 - **Description:** The default backend to use for managing WireGuard interfaces. 
   Valid options are: `local`, or other backend id's configured in the `mikrotik` section.
 
+### `local_resolvconf_prefix`
+- **Default:** `tun.`
+- **Environment Variable:** `WG_PORTAL_BACKEND_LOCAL_RESOLVCONF_PREFIX`
+- **Description:** Interface name prefix for WireGuard interfaces on the local system which is used to configure DNS servers with *resolvconf*. 
+  It depends on the *resolvconf* implementation you are using, most use a prefix of `tun.`, but some have an empty prefix (e.g., systemd).
+
 ### `ignored_local_interfaces`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_BACKEND_IGNORED_LOCAL_INTERFACES`
+  (comma-separated values)
 - **Description:** A list of interface names to exclude when enumerating local interfaces.
   This is useful if you want to prevent certain interfaces from being imported from the local system.
 
@@ -249,54 +273,67 @@ Additional or more specialized configuration options for logging and interface c
 
 ### `log_level`
 - **Default:** `info`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_LOG_LEVEL`
 - **Description:** The log level used by the application. Valid options are: `trace`, `debug`, `info`, `warn`, `error`.
 
 ### `log_pretty`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_LOG_PRETTY`
 - **Description:** If `true`, log messages are colorized and formatted for readability (pretty-print).
 
 ### `log_json`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_LOG_JSON`
 - **Description:** If `true`, log messages are structured in JSON format.
 
 ### `start_listen_port`
 - **Default:** `51820`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_START_LISTEN_PORT`
 - **Description:** The first port to use when automatically creating new WireGuard interfaces.
 
 ### `start_cidr_v4`
 - **Default:** `10.11.12.0/24`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_START_CIDR_V4`
 - **Description:** The initial IPv4 subnet to use when automatically creating new WireGuard interfaces.
 
 ### `start_cidr_v6`
 - **Default:** `fdfd:d3ad:c0de:1234::0/64`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_START_CIDR_V6`
 - **Description:** The initial IPv6 subnet to use when automatically creating new WireGuard interfaces.
 
 ### `use_ip_v6`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_USE_IP_V6`
 - **Description:** Enable or disable IPv6 support.
 
 ### `config_storage_path`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_ADVANCED_CONFIG_STORAGE_PATH`
 - **Description:** Path to a directory where `wg-quick` style configuration files will be stored (if you need local filesystem configs).
 
 ### `expiry_check_interval`
 - **Default:** `15m`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_EXPIRY_CHECK_INTERVAL`
 - **Description:** Interval after which existing peers are checked if they are expired. Format uses `s`, `m`, `h`, `d` for seconds, minutes, hours, days, see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
 ### `rule_prio_offset`
 - **Default:** `20000`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_RULE_PRIO_OFFSET`
 - **Description:** Offset for IP route rule priorities when configuring routing.
 
 ### `route_table_offset`
 - **Default:** `20000`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_ROUTE_TABLE_OFFSET`
 - **Description:** Offset for IP route table IDs when configuring routing.
 
 ### `api_admin_only`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_API_ADMIN_ONLY`
 - **Description:** If `true`, the public REST API is accessible only to admin users. The API docs live at [`/api/v1/doc.html`](../rest-api/api-doc.md).
 
 ### `limit_additional_user_peers`
 - **Default:** `0`
+- **Environment Variable:** `WG_PORTAL_ADVANCED_LIMIT_ADDITIONAL_USER_PEERS`
 - **Description:** Limit additional peers a normal user can create. `0` means unlimited.
 
 ---
@@ -310,18 +347,22 @@ If sensitive values (like private keys) should be stored in an encrypted format,
 
 ### `debug`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_DATABASE_DEBUG`
 - **Description:** If `true`, logs all database statements (verbose).
 
 ### `slow_query_threshold`
 - **Default:** "0"
+- **Environment Variable:** `WG_PORTAL_DATABASE_SLOW_QUERY_THRESHOLD`
 - **Description:** A time threshold (e.g., `100ms`) above which queries are considered slow and logged as warnings. If zero, slow query logging is disabled. Format uses `s`, `ms` for seconds, milliseconds, see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration). The value must be a string.
 
 ### `type`
 - **Default:** `sqlite`
+- **Environment Variable:** `WG_PORTAL_DATABASE_TYPE`
 - **Description:** The database type. Valid options: `sqlite`, `mssql`, `mysql`, `postgres`.
 
 ### `dsn`
 - **Default:** `data/sqlite.db`
+- **Environment Variable:** `WG_PORTAL_DATABASE_DSN`
 - **Description:** The Data Source Name (DSN) for connecting to the database.  
   For example:
   ```text
@@ -330,6 +371,7 @@ If sensitive values (like private keys) should be stored in an encrypted format,
 
 ### `encryption_passphrase`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_DATABASE_ENCRYPTION_PASSPHRASE`
 - **Description:** Passphrase for encrypting sensitive values such as private keys in the database. Encryption is only applied if this passphrase is set.
   **Important:** Once you enable encryption by setting this passphrase, you cannot disable it or change it afterward. 
   New or updated records will be encrypted; existing data remains in plaintext until it’s next modified.
@@ -342,82 +384,114 @@ Controls how WireGuard Portal collects and reports usage statistics, including p
 
 ### `use_ping_checks`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_USE_PING_CHECKS`
 - **Description:** Enable periodic ping checks to verify that peers remain responsive.
 
 ### `ping_check_workers`
 - **Default:** `10`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_PING_CHECK_WORKERS`
 - **Description:** Number of parallel worker processes for ping checks.
 
 ### `ping_unprivileged`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_PING_UNPRIVILEGED`
 - **Description:** If `false`, ping checks run without root privileges. This is currently considered BETA.
 
 ### `ping_check_interval`
 - **Default:** `1m`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_PING_CHECK_INTERVAL`
 - **Description:** Interval between consecutive ping checks for all peers. Format uses `s`, `m`, `h`, `d` for seconds, minutes, hours, days, see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
 ### `data_collection_interval`
 - **Default:** `1m`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_DATA_COLLECTION_INTERVAL`
 - **Description:** Interval between data collection cycles (bytes sent/received, handshake times, etc.). Format uses `s`, `m`, `h`, `d` for seconds, minutes, hours, days, see [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration).
 
 ### `collect_interface_data`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_COLLECT_INTERFACE_DATA`
 - **Description:** If `true`, collects interface-level data (bytes in/out) for monitoring and statistics.
 
 ### `collect_peer_data`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_COLLECT_PEER_DATA`
 - **Description:** If `true`, collects peer-level data (bytes, last handshake, endpoint, etc.).
 
 ### `collect_audit_data`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_COLLECT_AUDIT_DATA`
 - **Description:** If `true`, logs certain portal events (such as user logins) to the database.
 
 ### `listening_address`
 - **Default:** `:8787`
+- **Environment Variable:** `WG_PORTAL_STATISTICS_LISTENING_ADDRESS`
 - **Description:** Address and port for the integrated Prometheus metric server (e.g., `:8787` or `127.0.0.1:8787`).
 
 ---
 
 ## Mail
 
-Options for configuring email notifications or sending peer configurations via email.
+Options for configuring email notifications or sending peer configurations via email. 
+By default, emails will only be sent to peers that have a valid user record linked. 
+To send emails to all peers that have a valid email-address as user-identifier, set `allow_peer_email` to `true`.
 
 ### `host`
 - **Default:** `127.0.0.1`
+- **Environment Variable:** `WG_PORTAL_MAIL_HOST`
 - **Description:** Hostname or IP of the SMTP server.
 
 ### `port`
 - **Default:** `25`
+- **Environment Variable:** `WG_PORTAL_MAIL_PORT`
 - **Description:** Port number for the SMTP server.
 
 ### `encryption`
 - **Default:** `none`
+- **Environment Variable:** `WG_PORTAL_MAIL_ENCRYPTION`
 - **Description:** SMTP encryption type. Valid values: `none`, `tls`, `starttls`.
 
 ### `cert_validation`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_MAIL_CERT_VALIDATION`
 - **Description:** If `true`, validate the SMTP server certificate (relevant if `encryption` = `tls`).
 
 ### `username`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_MAIL_USERNAME`
 - **Description:** Optional SMTP username for authentication.
 
 ### `password`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_MAIL_PASSWORD`
 - **Description:** Optional SMTP password for authentication.
 
 ### `auth_type`
 - **Default:** `plain`
+- **Environment Variable:** `WG_PORTAL_MAIL_AUTH_TYPE`
 - **Description:** SMTP authentication type. Valid values: `plain`, `login`, `crammd5`.
 
 ### `from`
 - **Default:** `Wireguard Portal <noreply@wireguard.local>`
+- **Environment Variable:** `WG_PORTAL_MAIL_FROM`
 - **Description:** The default "From" address when sending emails.
 
 ### `link_only`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_MAIL_LINK_ONLY`
 - **Description:** If `true`, emails only contain a link to WireGuard Portal, rather than attaching the full configuration.
 
+### `allow_peer_email`
+- **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_MAIL_ALLOW_PEER_EMAIL`
+- **Description:** If `true`, and a peer has no valid user record linked, but the user-identifier of the peer is a valid email address, emails will be sent to that email address.
+  If false, and the peer has no valid user record linked, emails will not be sent.
+  If a peer has linked a valid user, the email address is always taken from the user record.
+
+### `templates_path`
+- **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_MAIL_TEMPLATES_PATH`
+- **Description:** Path to the email template files that override embedded templates. Check [usage documentation](../usage/mail-templates.md) for an example.`
+
 ---
 
 ## Auth
@@ -429,12 +503,14 @@ Some core authentication options are shared across all providers, while others a
 
 ### `min_password_length`
 - **Default:** `16`
+- **Environment Variable:** `WG_PORTAL_AUTH_MIN_PASSWORD_LENGTH`
 - **Description:** Minimum password length for local authentication. This is not enforced for LDAP authentication.
   The default admin password strength is also enforced by this setting.
 - **Important:** The password should be strong and secure. It is recommended to use a password with at least 16 characters, including uppercase and lowercase letters, numbers, and special characters.
 
 ### `hide_login_form`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_AUTH_HIDE_LOGIN_FORM`
 - **Description:** If `true`, the login form is hidden and only the OIDC, OAuth, LDAP, or WebAuthn providers are shown. This is useful if you want to enforce a specific authentication method.
   If no social login providers are configured, the login form is always shown, regardless of this setting.
 - **Important:** You can still access the login form by adding the `?all` query parameter to the login URL (e.g. https://wg.portal/#/login?all). 
@@ -497,13 +573,18 @@ Below are the properties for each OIDC provider entry inside `auth.oidc`:
     - `admin_group_regex`: A regular expression to match the `user_groups` claim. Each entry in the `user_groups` claim is checked against this regex.
 
 #### `registration_enabled`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, a new user will be created in WireGuard Portal if not already present.
 
 #### `log_user_info`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, OIDC user data is logged at the trace level upon login (for debugging).
 
+#### `log_sensitive_info`
+- **Default:** `false`
+- **Description:** If `true`, sensitive OIDC user data, such as tokens and raw responses, will be logged at the trace level upon login (for debugging).
+- **Important:** Keep this setting disabled in production environments! Remove logs once you finished debugging authentication issues.
+
 ---
 
 ### OAuth
@@ -570,13 +651,18 @@ Below are the properties for each OAuth provider entry inside `auth.oauth`:
   - `admin_group_regex`: A regular expression to match the `user_groups` claim. Each entry in the `user_groups` claim is checked against this regex.
 
 #### `registration_enabled`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, new users are created automatically on successful login.
 
 #### `log_user_info`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, logs user info at the trace level upon login.
 
+#### `log_sensitive_info`
+- **Default:** `false`
+- **Description:** If `true`, sensitive OIDC user data, such as tokens and raw responses, will be logged at the trace level upon login (for debugging).
+- **Important:** Keep this setting disabled in production environments! Remove logs once you finished debugging authentication issues.
+
 ---
 
 ### LDAP
@@ -593,11 +679,11 @@ Below are the properties for each LDAP provider entry inside `auth.ldap`:
 - **Description:** The LDAP server URL (e.g., `ldap://srv-ad01.company.local:389`).
 
 #### `start_tls`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, use STARTTLS to secure the LDAP connection.
 
 #### `cert_validation`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, validate the LDAP server’s TLS certificate.
 
 #### `tls_certificate_path`
@@ -666,20 +752,24 @@ Below are the properties for each LDAP provider entry inside `auth.ldap`:
   (&(objectClass=organizationalPerson)(!userAccountControl:1.2.840.113556.1.4.803:=2)(mail=*))
   ```
 
+#### `sync_log_user_info`
+- **Default:** `false`
+- **Description:** If `true`, logs LDAP user data at the trace level during synchronization.
+
 #### `disable_missing`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, any user **not** found in LDAP (during sync) is disabled in WireGuard Portal.
 
 #### `auto_re_enable`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, users that where disabled because they were missing (see `disable_missing`) will be re-enabled once they are found again.
 
 #### `registration_enabled`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, new user accounts are created in WireGuard Portal upon first login.
 
 #### `log_user_info`
-- **Default:** *(empty)*
+- **Default:** `false`
 - **Description:** If `true`, logs LDAP user data at the trace level upon login.
 
 ---
@@ -690,6 +780,7 @@ The `webauthn` section contains configuration options for WebAuthn authenticatio
 
 #### `enabled`
 - **Default:** `true`
+- **Environment Variable:** `WG_PORTAL_AUTH_WEBAUTHN_ENABLED`
 - **Description:** If `true`, Passkey authentication is enabled. If `false`, WebAuthn is disabled.
   Users are encouraged to use Passkeys for secure authentication instead of passwords. 
   If a passkey is registered, the password login is still available as a fallback. Ensure that the password is strong and secure.
@@ -702,50 +793,69 @@ Without a valid `external_url`, the login process may fail due to CSRF protectio
 
 ### `listening_address`
 - **Default:** `:8888`
+- **Environment Variable:** `WG_PORTAL_WEB_LISTENING_ADDRESS`
 - **Description:** The listening address and port for the web server (e.g., `:8888` to bind on all interfaces or `127.0.0.1:8888` to bind only on the loopback interface).
   Ensure that access to WireGuard Portal is protected against unauthorized access, especially if binding to all interfaces.
 
 ### `external_url`
 - **Default:** `http://localhost:8888`
+- **Environment Variable:** `WG_PORTAL_WEB_EXTERNAL_URL`
 - **Description:** The URL where a client can access WireGuard Portal. This URL is used for generating links in emails and for performing OAUTH redirects.  
   **Important:** If you are using a reverse proxy, set this to the external URL of the reverse proxy, otherwise login will fail. If you access the portal via IP address, set this to the IP address of the server.
 
 ### `site_company_name`
 - **Default:** `WireGuard Portal`
+- **Environment Variable:** `WG_PORTAL_WEB_SITE_COMPANY_NAME`
 - **Description:** The company name that is shown at the bottom of the web frontend.
 
 ### `site_title`
 - **Default:** `WireGuard Portal`
+- **Environment Variable:** `WG_PORTAL_WEB_SITE_TITLE`
 - **Description:** The title that is shown in the web frontend.
 
 ### `session_identifier`
 - **Default:** `wgPortalSession`
+- **Environment Variable:** `WG_PORTAL_WEB_SESSION_IDENTIFIER`
 - **Description:** The session identifier for the web frontend.
 
 ### `session_secret`
 - **Default:** `very_secret`
+- **Environment Variable:** `WG_PORTAL_WEB_SESSION_SECRET`
 - **Description:** The session secret for the web frontend.
 
 ### `csrf_secret`
 - **Default:** `extremely_secret`
+- **Environment Variable:** `WG_PORTAL_WEB_CSRF_SECRET`
 - **Description:** The CSRF secret.
 
 ### `request_logging`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_WEB_REQUEST_LOGGING`
 - **Description:** Log all HTTP requests.
 
 ### `expose_host_info`
 - **Default:** `false`
+- **Environment Variable:** `WG_PORTAL_WEB_EXPOSE_HOST_INFO`
 - **Description:** Expose the hostname and version of the WireGuard Portal server in an HTTP header. This is useful for debugging but may expose sensitive information.
 
 ### `cert_file`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_WEB_CERT_FILE`
 - **Description:** (Optional) Path to the TLS certificate file.
 
 ### `key_file`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_WEB_KEY_FILE`
 - **Description:** (Optional) Path to the TLS certificate key file.
 
+### `frontend_filepath`
+- **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_WEB_FRONTEND_FILEPATH`
+- **Description:** Optional base directory from which the web frontend is served. Check out the [building](../getting-started/sources.md) documentation for more information on how to compile the frontend assets.
+  - If the directory contains at least one file (recursively), these files are served at `/app`, overriding the embedded frontend assets.
+  - If the directory is empty or does not exist on startup, the embedded frontend is copied into this directory automatically and then served.
+  - If left empty, the embedded frontend is served and no files are written to disk.
+
 ---
 
 ## Webhook
@@ -755,12 +865,15 @@ Further details can be found in the [usage documentation](../usage/webhooks.md).
 
 ### `url`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_WEBHOOK_URL`
 - **Description:** The POST endpoint to which the webhook is sent. The URL must be reachable from the WireGuard Portal server. If the URL is empty, the webhook is disabled.
 
 ### `authentication`
 - **Default:** *(empty)*
+- **Environment Variable:** `WG_PORTAL_WEBHOOK_AUTHENTICATION`
 - **Description:** The Authorization header for the webhook endpoint. The value is send as-is in the header. For example: `Bearer <token>`.
 
 ### `timeout`
 - **Default:** `10s`
-- **Description:** The timeout for the webhook request. If the request takes longer than this, it is aborted.
+- **Environment Variable:** `WG_PORTAL_WEBHOOK_TIMEOUT`
+- **Description:** The timeout for the webhook request. If the request takes longer than this, it is aborted.

docs/documentation/rest-api/swagger.yaml

@@ -512,6 +512,8 @@ definitions:
                 description: The source of the user. This field is optional.
                 enum:
                     - db
+                    - ldap
+                    - oauth
                 example: db
                 type: string
         required:

docs/documentation/usage/backends.md

@@ -8,6 +8,7 @@ A global default backend determines where newly created interfaces go (unless yo
 **Supported backends:**
 - **Local** (default): Manages interfaces on the host running WireGuard Portal (Linux WireGuard via wgctrl). Use this when the portal should directly configure wg devices on the same server.
 - **MikroTik** RouterOS (_beta_): Manages interfaces and peers on MikroTik devices via the RouterOS REST API. Use this to control WG interfaces on RouterOS v7+.
+- **pfSense** (_alpha_): Manages interfaces and peers on pfSense firewalls via the pfSense REST API.
 
 How backend selection works:
 - The default backend is configured at `backend.default` (_local_ or the id of a defined MikroTik backend). 
@@ -54,4 +55,37 @@ backend:
 
 ### Known limitations:
 - The MikroTik backend is still in beta. Some features may not work as expected.
-- Not all WireGuard Portal features are supported yet (e.g., no support for interface hooks)
+- Not all WireGuard Portal features are supported yet (e.g., no support for interface hooks)
+
+## Configuring pfSense backends
+
+> :warning: The pfSense backend is currently **alpha**. Only basic interface and peer CRUD are supported. Traffic statistics (rx/tx, last handshake) are not exposed by the pfSense REST API and will show as empty.
+
+The pfSense backend talks to the pfSense REST API (pfSense Plus / CE with the REST API package installed). Point the backend at the appliance hostname without appending `/api/v2` — the portal appends `/api/v2` automatically.
+
+### Prerequisites on pfSense:
+- pfSense with the REST API package enabled (`System -> API`) and WireGuard configured.
+- An API key with permissions for WireGuard endpoints. If you use a read-only key, set `core.restore_state: false` in `config.yml` to avoid write attempts at startup.
+- HTTPS recommended; set `api_verify_tls: false` only for lab/self-signed setups.
+
+Example WireGuard Portal configuration:
+
+```yaml
+backend:
+  # default backend decides where new interfaces are created
+  default: pfsense1
+
+  pfsense:
+    - id: pfsense1                 # unique id, not "local"
+      display_name: Main pfSense   # optional nice name
+      api_url: https://pfsense.example.com  # no trailing /api/v2
+      api_key: your-api-key
+      api_verify_tls: true
+      api_timeout: 30s
+      concurrency: 5
+      debug: false
+```
+
+### Known limitations:
+- Alpha quality: behavior and API coverage may change.
+- Statistics (rx/tx bytes, last handshake) are not available from the pfSense REST API today.

docs/documentation/usage/mail-templates.md

@@ -0,0 +1,49 @@
+WireGuard Portal sends emails when you share a configuration with a user. 
+By default, the application uses embedded templates. You can fully customize these emails by pointing the Portal 
+to a folder containing your own templates. If the folder is empty on startup, the default embedded templates 
+are written there to get you started.
+
+## Configuration
+
+To enable custom templates, set the `mail.templates_path` option in the application configuration file 
+or the `WG_PORTAL_MAIL_TEMPLATES_PATH` environment variable to a valid folder path.
+
+For example:
+
+```yaml
+mail:
+  # ... other mail options ...
+  # Path where custom email templates (.gotpl and .gohtml) are stored.
+  # If the directory is empty on startup, the default embedded templates
+  # will be written there so you can modify them.
+  # Leave empty to use embedded templates only.
+  templates_path: "/opt/wg-portal/mail-templates"
+```
+
+## Template files and names
+
+The system expects the following template names. Place files with these names in your `templates_path` to override the defaults.
+You do not need to override all templates, only the ones you want to customize should be present.
+
+- Text templates (`.gotpl`):
+  - `mail_with_link.gotpl`
+  - `mail_with_attachment.gotpl`
+- HTML templates (`.gohtml`):
+  - `mail_with_link.gohtml`
+  - `mail_with_attachment.gohtml`
+
+Both [text](https://pkg.go.dev/text/template) and [HTML templates](https://pkg.go.dev/html/template) are standard Go 
+templates and receive the following data fields, depending on the email type:
+
+- Common fields:
+  - `PortalUrl` (string) - external URL of the Portal
+  - `PortalName` (string) - site title/company name
+  - `User` (*domain.User) - the recipient user (may be partially populated when sending to a peer email)
+- Link email (`mail_with_link.*`):
+  - `Link` (string) - the download link
+- Attachment email (`mail_with_attachment.*`):
+  - `ConfigFileName` (string) - filename of the attached WireGuard config
+  - `QrcodePngName` (string) - CID content-id of the embedded QR code image
+
+Tip: You can inspect the embedded templates in the repository under [`internal/app/mail/tpl_files/`](https://github.com/h44z/wg-portal/tree/master/internal/app/mail/tpl_files) for reference. 
+When the directory at `templates_path` is empty, these files are copied to your folder so you can edit them in place.

docs/theme-overrides/layouts/home.html

@@ -68,7 +68,7 @@
 }
 .tx-hero__image {
   max-width: 1000px;
-  min-width: 600px;
+  min-width: 0;
   width: 100%;
   height: auto;
   margin: 0 auto;
@@ -218,7 +218,7 @@
 
 .secondary-section .g .section .component-wrapper .responsive-grid .card {
   position: relative;
-  background-color:  #fff none repeat scroll 0% 0%;
+  background-color:  #fff;
   padding: 1.5rem;
   display: flex;
   flex-direction: row;
@@ -363,7 +363,6 @@
           <h1>A beautiful and simple UI to manage your WireGuard peers and interfaces</h1>
           <p>WireGuard Portal is an open source web-based user interface that makes it easy to setup and manage
             WireGuard VPN connections. It's built on top of WireGuard's official <span class="em">wgctrl</span> library.</p>
-          </p>
           <a
             href="documentation/overview/"
             title="Get Started"

frontend/package-lock.json

@@ -8,29 +8,30 @@
       "name": "frontend",
       "version": "0.0.0",
       "dependencies": {
-        "@fontsource/nunito-sans": "^5.2.5",
-        "@fortawesome/fontawesome-free": "^6.7.2",
-        "@kyvg/vue3-notification": "^3.4.1",
+        "@fontsource/nunito-sans": "^5.2.7",
+        "@fortawesome/fontawesome-free": "^7.1.0",
+        "@kyvg/vue3-notification": "^3.4.2",
         "@popperjs/core": "^2.11.8",
-        "@simplewebauthn/browser": "^13.1.0",
+        "@simplewebauthn/browser": "^13.2.2",
         "@vojtechlanka/vue-tags-input": "^3.1.1",
-        "bootstrap": "^5.3.7",
-        "bootswatch": "^5.3.7",
-        "flag-icons": "^7.3.2",
-        "ip-address": "^10.0.1",
-        "is-cidr": "^5.1.1",
+        "bootstrap": "^5.3.8",
+        "bootswatch": "^5.3.8",
+        "cidr-tools": "^11.0.3",
+        "flag-icons": "^7.5.0",
+        "ip-address": "^10.1.0",
+        "is-cidr": "^6.0.1",
         "is-ip": "^5.0.1",
-        "pinia": "^3.0.2",
+        "pinia": "^3.0.4",
         "prismjs": "^1.30.0",
-        "vue": "^3.5.13",
-        "vue-i18n": "^11.1.3",
+        "vue": "^3.5.25",
+        "vue-i18n": "^11.2.2",
         "vue-prism-component": "github:h44z/vue-prism-component",
-        "vue-router": "^4.5.0"
+        "vue-router": "^4.6.3"
       },
       "devDependencies": {
-        "@vitejs/plugin-vue": "^5.2.3",
-        "sass-embedded": "^1.86.3",
-        "vite": "^6.3.6"
+        "@vitejs/plugin-vue": "^6.0.2",
+        "sass-embedded": "^1.93.3",
+        "vite": "^7.2.7"
       }
     },
     "node_modules/@babel/helper-string-parser": {
@@ -43,21 +44,21 @@
       }
     },
     "node_modules/@babel/helper-validator-identifier": {
-      "version": "7.27.1",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.27.1.tgz",
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-      "integrity": "sha512-e7AndEwAbFtXaLy6on4BfNGTr3wtGZQmypUgYpSNVcYDO+CWxatKVY4cxbehMPhxG9g5ru+eaMfynvhZt7fLaA==",
+      "version": "1.93.3",
+      "resolved": "https://registry.npmjs.org/sass-embedded-linux-riscv64/-/sass-embedded-linux-riscv64-1.93.3.tgz",
+      "integrity": "sha512-vWkW1+HTF5qcaHa6hO80gx/QfB6GGjJUP0xLbnAoY4pwEnw5ulGv6RM8qYr8IDhWfVt/KH+lhJ2ZFxnJareisQ==",
       "cpu": [
         "riscv64"
       ],
@@ -2324,9 +2354,9 @@
       }
     },
     "node_modules/sass-embedded-linux-x64": {
-      "version": "1.93.2",
-      "resolved": "https://registry.npmjs.org/sass-embedded-linux-x64/-/sass-embedded-linux-x64-1.93.2.tgz",
-      "integrity": "sha512-U3EIUZQL11DU0xDDHXexd4PYPHQaSQa2hzc4EzmhHqrAj+TyfYO94htjWOd+DdTPtSwmLp+9cTWwPZBODzC96w==",
+      "version": "1.93.3",
+      "resolved": "https://registry.npmjs.org/sass-embedded-linux-x64/-/sass-embedded-linux-x64-1.93.3.tgz",
+      "integrity": "sha512-k6uFxs+e5jSuk1Y0niCwuq42F9ZC5UEP7P+RIOurIm8w/5QFa0+YqeW+BPWEW5M1FqVOsNZH3qGn4ahqvAEjPA==",
       "cpu": [
         "x64"
       ],
@@ -2341,9 +2371,9 @@
       }
     },
     "node_modules/sass-embedded-unknown-all": {
-      "version": "1.93.2",
-      "resolved": "https://registry.npmjs.org/sass-embedded-unknown-all/-/sass-embedded-unknown-all-1.93.2.tgz",
-      "integrity": "sha512-7VnaOmyewcXohiuoFagJ3SK5ddP9yXpU0rzz+pZQmS1/+5O6vzyFCUoEt3HDRaLctH4GT3nUGoK1jg0ae62IfQ==",
+      "version": "1.93.3",
+      "resolved": "https://registry.npmjs.org/sass-embedded-unknown-all/-/sass-embedded-unknown-all-1.93.3.tgz",
+      "integrity": "sha512-o5wj2rLpXH0C+GJKt/VpWp6AnMsCCbfFmnMAttcrsa+U3yrs/guhZ3x55KAqqUsE8F47e3frbsDL+1OuQM5DAA==",
       "dev": true,
       "license": "MIT",
       "optional": true,
@@ -2354,13 +2384,13 @@
         "!win32"
       ],
       "dependencies": {
-        "sass": "1.93.2"
+        "sass": "1.93.3"
       }
     },
     "node_modules/sass-embedded-win32-arm64": {
-      "version": "1.93.2",
-      "resolved": "https://registry.npmjs.org/sass-embedded-win32-arm64/-/sass-embedded-win32-arm64-1.93.2.tgz",
-      "integrity": "sha512-Y90DZDbQvtv4Bt0GTXKlcT9pn4pz8AObEjFF8eyul+/boXwyptPZ/A1EyziAeNaIEIfxyy87z78PUgCeGHsx3Q==",
+      "version": "1.93.3",
+      "resolved": "https://registry.npmjs.org/sass-embedded-win32-arm64/-/sass-embedded-win32-arm64-1.93.3.tgz",
+      "integrity": "sha512-0dOfT9moy9YmBolodwYYXtLwNr4jL4HQC9rBfv6mVrD7ud8ue2kDbn+GVzj1hEJxvEexVSmDCf7MHUTLcGs9xQ==",
       "cpu": [
         "arm64"
       ],
@@ -2375,9 +2405,9 @@
       }
     },
     "node_modules/sass-embedded-win32-x64": {
-      "version": "1.93.2",
-      "resolved": "https://registry.npmjs.org/sass-embedded-win32-x64/-/sass-embedded-win32-x64-1.93.2.tgz",
-      "integrity": "sha512-BbSucRP6PVRZGIwlEBkp+6VQl2GWdkWFMN+9EuOTPrLxCJZoq+yhzmbjspd3PeM8+7WJ7AdFu/uRYdO8tor1iQ==",
+      "version": "1.93.3",
+      "resolved": "https://registry.npmjs.org/sass-embedded-win32-x64/-/sass-embedded-win32-x64-1.93.3.tgz",
+      "integrity": "sha512-wHFVfxiS9hU/sNk7KReD+lJWRp3R0SLQEX4zfOnRP2zlvI2X4IQR5aZr9GNcuMP6TmNpX0nQPZTegS8+h9RrEg==",
       "cpu": [
         "x64"
       ],
@@ -2539,7 +2569,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2576,25 +2605,24 @@
       "license": "MIT"
     },
     "node_modules/vite": {
-      "version": "6.3.6",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-6.3.6.tgz",
-      "integrity": "sha512-0msEVHJEScQbhkbVTb/4iHZdJ6SXp/AvxL2sjwYQFfBqleHtnCqv1J3sa9zbWz/6kW1m9Tfzn92vW+kZ1WV6QA==",
+      "version": "7.2.7",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.2.7.tgz",
+      "integrity": "sha512-ITcnkFeR3+fI8P1wMgItjGrR10170d8auB4EpMLPqmx6uxElH3a/hHGQabSHKdqd4FXWO1nFIp9rRn7JQ34ACQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
-        "fdir": "^6.4.4",
-        "picomatch": "^4.0.2",
-        "postcss": "^8.5.3",
-        "rollup": "^4.34.9",
-        "tinyglobby": "^0.2.13"
+        "fdir": "^6.5.0",
+        "picomatch": "^4.0.3",
+        "postcss": "^8.5.6",
+        "rollup": "^4.43.0",
+        "tinyglobby": "^0.2.15"
       },
       "bin": {
         "vite": "bin/vite.js"
       },
       "engines": {
-        "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+        "node": "^20.19.0 || >=22.12.0"
       },
       "funding": {
         "url": "https://github.com/vitejs/vite?sponsor=1"
@@ -2603,14 +2631,14 @@
         "fsevents": "~2.3.3"
       },
       "peerDependencies": {
-        "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+        "@types/node": "^20.19.0 || >=22.12.0",
         "jiti": ">=1.21.0",
-        "less": "*",
+        "less": "^4.0.0",
         "lightningcss": "^1.21.0",
-        "sass": "*",
-        "sass-embedded": "*",
-        "stylus": "*",
-        "sugarss": "*",
+        "sass": "^1.70.0",
+        "sass-embedded": "^1.70.0",
+        "stylus": ">=0.54.8",
+        "sugarss": "^5.0.0",
         "terser": "^5.16.0",
         "tsx": "^4.8.1",
         "yaml": "^2.4.2"
@@ -2675,7 +2703,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2684,17 +2711,16 @@
       }
     },
     "node_modules/vue": {
-      "version": "3.5.22",
-      "resolved": "https://registry.npmjs.org/vue/-/vue-3.5.22.tgz",
-      "integrity": "sha512-toaZjQ3a/G/mYaLSbV+QsQhIdMo9x5rrqIpYRObsJ6T/J+RyCSFwN2LHNVH9v8uIcljDNa3QzPVdv3Y6b9hAJQ==",
+      "version": "3.5.25",
+      "resolved": "https://registry.npmjs.org/vue/-/vue-3.5.25.tgz",
+      "integrity": "sha512-YLVdgv2K13WJ6n+kD5owehKtEXwdwXuj2TTyJMsO7pSeKw2bfRNZGjhB7YzrpbMYj5b5QsUebHpOqR3R3ziy/g==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
-        "@vue/compiler-dom": "3.5.22",
-        "@vue/compiler-sfc": "3.5.22",
-        "@vue/runtime-dom": "3.5.22",
-        "@vue/server-renderer": "3.5.22",
-        "@vue/shared": "3.5.22"
+        "@vue/compiler-dom": "3.5.25",
+        "@vue/compiler-sfc": "3.5.25",
+        "@vue/runtime-dom": "3.5.25",
+        "@vue/server-renderer": "3.5.25",
+        "@vue/shared": "3.5.25"
       },
       "peerDependencies": {
         "typescript": "*"
@@ -2706,13 +2732,13 @@
       }
     },
     "node_modules/vue-i18n": {
-      "version": "11.1.12",
-      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-11.1.12.tgz",
-      "integrity": "sha512-BnstPj3KLHLrsqbVU2UOrPmr0+Mv11bsUZG0PyCOzsawCivk8W00GMXHeVUWIDOgNaScCuZah47CZFE+Wnl8mw==",
+      "version": "11.2.2",
+      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-11.2.2.tgz",
+      "integrity": "sha512-ULIKZyRluUPRCZmihVgUvpq8hJTtOqnbGZuv4Lz+byEKZq4mU0g92og414l6f/4ju+L5mORsiUuEPYrAuX2NJg==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/core-base": "11.1.12",
-        "@intlify/shared": "11.1.12",
+        "@intlify/core-base": "11.2.2",
+        "@intlify/shared": "11.2.2",
         "@vue/devtools-api": "^6.5.0"
       },
       "engines": {
@@ -2737,9 +2763,9 @@
       "license": "MIT"
     },
     "node_modules/vue-router": {
-      "version": "4.5.1",
-      "resolved": "https://registry.npmjs.org/vue-router/-/vue-router-4.5.1.tgz",
-      "integrity": "sha512-ogAF3P97NPm8fJsE4by9dwSYtDwXIY1nFY9T6DyQnGHd1E2Da94w9JIolpe42LJGIl0DwOHBi8TcRPlPGwbTtw==",
+      "version": "4.6.3",
+      "resolved": "https://registry.npmjs.org/vue-router/-/vue-router-4.6.3.tgz",
+      "integrity": "sha512-ARBedLm9YlbvQomnmq91Os7ck6efydTSpRP3nuOKCvgJOHNrhRoJDSKtee8kcL1Vf7nz6U+PMBL+hTvR3bTVQg==",
       "license": "MIT",
       "dependencies": {
         "@vue/devtools-api": "^6.6.4"
@@ -2748,7 +2774,7 @@
         "url": "https://github.com/sponsors/posva"
       },
       "peerDependencies": {
-        "vue": "^3.2.0"
+        "vue": "^3.5.0"
       }
     },
     "node_modules/vue-router/node_modules/@vue/devtools-api": {

frontend/package.json

@@ -8,28 +8,29 @@
     "preview": "vite preview --port 5050"
   },
   "dependencies": {
-    "@fontsource/nunito-sans": "^5.2.5",
-    "@fortawesome/fontawesome-free": "^6.7.2",
-    "@kyvg/vue3-notification": "^3.4.1",
+    "@fontsource/nunito-sans": "^5.2.7",
+    "@fortawesome/fontawesome-free": "^7.1.0",
+    "@kyvg/vue3-notification": "^3.4.2",
     "@popperjs/core": "^2.11.8",
-    "@simplewebauthn/browser": "^13.1.0",
+    "@simplewebauthn/browser": "^13.2.2",
     "@vojtechlanka/vue-tags-input": "^3.1.1",
-    "bootstrap": "^5.3.7",
-    "bootswatch": "^5.3.7",
-    "flag-icons": "^7.3.2",
-    "ip-address": "^10.0.1",
-    "is-cidr": "^5.1.1",
+    "bootstrap": "^5.3.8",
+    "bootswatch": "^5.3.8",
+    "cidr-tools": "^11.0.3",
+    "flag-icons": "^7.5.0",
+    "ip-address": "^10.1.0",
+    "is-cidr": "^6.0.1",
     "is-ip": "^5.0.1",
-    "pinia": "^3.0.2",
+    "pinia": "^3.0.4",
     "prismjs": "^1.30.0",
-    "vue": "^3.5.13",
-    "vue-i18n": "^11.1.3",
+    "vue": "^3.5.25",
+    "vue-i18n": "^11.2.2",
     "vue-prism-component": "github:h44z/vue-prism-component",
-    "vue-router": "^4.5.0"
+    "vue-router": "^4.6.3"
   },
   "devDependencies": {
-    "@vitejs/plugin-vue": "^5.2.3",
-    "sass-embedded": "^1.86.3",
-    "vite": "^6.3.6"
+    "@vitejs/plugin-vue": "^6.0.2",
+    "sass-embedded": "^1.93.3",
+    "vite": "^7.2.7"
   }
 }

frontend/src/App.vue

@@ -1,6 +1,6 @@
 <script setup>
 import { RouterLink, RouterView } from 'vue-router';
-import { computed, getCurrentInstance, onMounted, ref } from "vue";
+import {computed, getCurrentInstance, nextTick, onMounted, ref} from "vue";
 import { authStore } from "./stores/auth";
 import { securityStore } from "./stores/security";
 import { settingsStore } from "@/stores/settings";
@@ -11,12 +11,13 @@ const auth = authStore()
 const sec = securityStore()
 const settings = settingsStore()
 
+const currentTheme = ref("auto")
+
 onMounted(async () => {
   console.log("Starting WireGuard Portal frontend...");
 
   // restore theme from localStorage
-  const theme = localStorage.getItem('wgTheme') || 'light';
-  document.documentElement.setAttribute('data-bs-theme', theme);
+  switchTheme(getTheme());
 
   await sec.LoadSecurityProperties();
   await auth.LoadProviders();
@@ -44,10 +45,22 @@ const switchLanguage = function (lang) {
   }
 }
 
+const getTheme = function () {
+  return localStorage.getItem('wgTheme') || 'auto';
+}
+
 const switchTheme = function (theme) {
-  if (document.documentElement.getAttribute('data-bs-theme') !== theme) {
+  let bsTheme = theme;
+  if (theme === 'auto') {
+    bsTheme = window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
+  }
+
+  currentTheme.value = theme;
+
+  if (document.documentElement.getAttribute('data-bs-theme') !== bsTheme) {
+    console.log("Switching theme to " + theme + " (" + bsTheme + ")");
     localStorage.setItem('wgTheme', theme);
-    document.documentElement.setAttribute('data-bs-theme', theme);
+    document.documentElement.setAttribute('data-bs-theme', bsTheme);
   }
 }
 
@@ -120,6 +133,9 @@ const userDisplayName = computed(() => {
           <li class="nav-item">
             <RouterLink :to="{ name: 'key-generator' }" class="nav-link">{{ $t('menu.keygen') }}</RouterLink>
           </li>
+          <li class="nav-item">
+            <RouterLink :to="{ name: 'ip-calculator' }" class="nav-link">{{ $t('menu.calculator') }}</RouterLink>
+          </li>
         </ul>
 
         <div class="navbar-nav d-flex justify-content-end">
@@ -137,20 +153,25 @@ const userDisplayName = computed(() => {
           <div v-if="!auth.IsAuthenticated" class="nav-item">
             <RouterLink :to="{ name: 'login' }" class="nav-link"><i class="fas fa-sign-in-alt fa-sm fa-fw me-2"></i>{{ $t('menu.login') }}</RouterLink>
           </div>
-          <div class="nav-item dropdown" data-bs-theme="light">
+          <div class="nav-item dropdown" :key="currentTheme">
             <a class="nav-link dropdown-toggle d-flex align-items-center" href="#" id="theme-menu" aria-expanded="false" data-bs-toggle="dropdown" data-bs-display="static" aria-label="Toggle theme">
               <i class="fa-solid fa-circle-half-stroke"></i>
               <span class="d-lg-none ms-2">Toggle theme</span>
             </a>
             <ul class="dropdown-menu dropdown-menu-end">
+              <li>
+                <button type="button" class="dropdown-item d-flex align-items-center" @click.prevent="switchTheme('auto')" aria-pressed="false">
+                  <i class="fa-solid fa-circle-half-stroke"></i><span class="ms-2">System</span><i class="fa-solid fa-check ms-5" :class="{invisible:currentTheme!=='auto'}"></i>
+                </button>
+              </li>
               <li>
                 <button type="button" class="dropdown-item d-flex align-items-center" @click.prevent="switchTheme('light')" aria-pressed="false">
-                  <i class="fa-solid fa-sun"></i><span class="ms-2">Light</span>
+                  <i class="fa-solid fa-sun"></i><span class="ms-2">Light</span><i class="fa-solid fa-check ms-5" :class="{invisible:currentTheme!=='light'}"></i>
                 </button>
               </li>
               <li>
                 <button type="button" class="dropdown-item d-flex align-items-center" @click.prevent="switchTheme('dark')" aria-pressed="true">
-                  <i class="fa-solid fa-moon"></i><span class="ms-2">Dark</span>
+                  <i class="fa-solid fa-moon"></i><span class="ms-2">Dark</span><i class="fa-solid fa-check ms-5" :class="{invisible:currentTheme!=='dark'}"></i>
                 </button>
               </li>
             </ul>
@@ -221,4 +242,8 @@ const userDisplayName = computed(() => {
   background-color: rgba(var(--bs-dark-rgb), var(--bs-bg-opacity)) !important;
   color: var(--bs-badge-color)!important;
 }
+
+[data-bs-theme=dark] .navbar-dark, .navbar {
+  background-color: #000 !important;
+}
 </style>

frontend/src/assets/base.css

@@ -104,4 +104,8 @@ a.disabled {
 
 .vue-tags-input .ti-deletion-mark:after {
   transform: scaleX(1);
+}
+
+.modal-dialog {
+    box-shadow: none;
 }

frontend/src/components/InterfaceEditModal.vue

@@ -316,6 +316,16 @@ async function del() {
   isDeleting.value = true
   try {
     await interfaces.DeleteInterface(selectedInterface.value.Identifier)
+
+    // reload all interfaces and peers
+    await interfaces.LoadInterfaces()
+    if (interfaces.Count > 0 && interfaces.GetSelected !== undefined) {
+      const selectedInterface = interfaces.GetSelected
+      await peers.LoadPeers(selectedInterface.Identifier)
+      await peers.LoadStats(selectedInterface.Identifier)
+    } else {
+      await peers.Reset() // reset peers if no interfaces are available
+    }
     close()
   } catch (e) {
     console.log(e)
@@ -434,6 +444,11 @@ async function del() {
                 <label class="form-label mt-4">{{ $t('modals.interface-edit.firewall-mark.label') }}</label>
                 <input v-model="formData.FirewallMark" class="form-control" :placeholder="$t('modals.interface-edit.firewall-mark.placeholder')" type="number">
               </div>
+              <div class="form-group col-md-6" v-if="formData.Backend!=='local'">
+                <label class="form-label mt-4">{{ $t('modals.interface-edit.routing-table.label') }}</label>
+                <input v-model="formData.RoutingTable" aria-describedby="routingTableHelp" class="form-control" :placeholder="$t('modals.interface-edit.routing-table.placeholder')" type="text">
+                <small id="routingTableHelp" class="form-text text-muted">{{ $t('modals.interface-edit.routing-table.description') }}</small>
+              </div>
               <div class="form-group col-md-6" v-else>
               </div>
             </div>
@@ -447,7 +462,7 @@ async function del() {
               </div>
             </div>
           </fieldset>
-          <fieldset>
+          <fieldset v-if="formData.Backend==='local'">
             <legend class="mt-4">{{ $t('modals.interface-edit.header-hooks') }}</legend>
             <div class="form-group">
               <label class="form-label mt-4">{{ $t('modals.interface-edit.pre-up.label') }}</label>
@@ -472,7 +487,7 @@ async function del() {
               <input v-model="formData.Disabled" class="form-check-input" type="checkbox">
               <label class="form-check-label">{{ $t('modals.interface-edit.disabled.label') }}</label>
             </div>
-            <div class="form-check form-switch">
+            <div class="form-check form-switch" v-if="formData.Backend==='local'">
               <input v-model="formData.SaveConfig" checked="" class="form-check-input" type="checkbox">
               <label class="form-check-label">{{ $t('modals.interface-edit.save-config.label') }}</label>
             </div>

frontend/src/helpers/utils.js

@@ -4,12 +4,12 @@ export function ipToBigInt(ip) {
   // Check if it's an IPv4 address
   if (ip.includes(".")) {
     const addr = new Address4(ip)
-    return addr.bigInteger()
+    return addr.bigInt()
   }
 
   // Otherwise, assume it's an IPv6 address
   const addr = new Address6(ip)
-  return addr.bigInteger()
+  return addr.bigInt()
 }
 
 export function humanFileSize(size) {

frontend/src/lang/translations/de.json

@@ -42,7 +42,8 @@
     "audit": "Event Protokoll",
     "login": "Anmelden",
     "logout": "Abmelden",
-    "keygen": "Schlüsselgenerator"
+    "keygen": "Schlüsselgenerator",
+    "calculator": "IP-Rechner"
   },
   "home": {
     "headline": "WireGuard® VPN Portal",
@@ -117,6 +118,7 @@
       "dns": "DNS-Server",
       "mtu": "MTU",
       "default-keep-alive": "Standard Keepalive-Intervall",
+      "default-dns": "Standard DNS-Server",
       "button-show-config": "Konfiguration anzeigen",
       "button-download-config": "Konfiguration herunterladen",
       "button-store-config": "Konfiguration für wg-quick speichern",
@@ -220,6 +222,16 @@
       "button-delete-text": "Passkey löschen. Sie können sich anschließend nicht mehr mit diesem Passkey anmelden.",
       "button-register-title": "Passkey registrieren",
       "button-register-text": "Einen neuen Passkey registrieren, um Ihr Konto zu sichern."
+    },
+    "password": {
+      "headline": "Passwort-Einstellungen",
+      "abstract": "Hier können Sie Ihr Passwort ändern.",
+      "current-label": "Aktuelles Passwort",
+      "new-label": "Neues Passwort",
+      "new-confirm-label": "Neues Passwort bestätigen",
+      "change-button-text": "Passwort ändern",
+      "invalid-confirm-label": "Passwörter stimmen nicht überein",
+      "weak-label": "Passwort ist zu schwach"
     }
   },
   "audit": {
@@ -258,6 +270,26 @@
       "placeholder": "Der geteilte Schlüssel"
     }
   },
+  "calculator": {
+    "headline": "WireGuard IP-Rechner",
+    "abstract": "Erzeuge erlaubte IPs für WireGuard. Die IP-Subnetze werden lokal in Ihrem Browser generiert und niemals an den Server gesendet.",
+    "headline-allowed-ip": "Neue erlaubte IPs",
+    "button-exclude-private": "Private IP-Bereiche ausschließen",
+    "allowed-ip": {
+      "label": "Erlaubte IPs",
+      "placeholder": "0.0.0.0/0, ::/0",
+      "empty": "Wert darf nicht leer sein"
+    },
+    "dissallowed-ip": {
+      "label": "Nicht erlaubte IPs",
+      "placeholder": "10.0.0.0/8, 192.168.0.0/16",
+      "invalid": "Ungültige Adresse: {addr}"
+    },
+    "new-allowed-ip": {
+      "label": "Erlaubte IPs",
+      "placeholder": ""
+    }
+  },
   "modals": {
     "user-view": {
       "headline": "Benutzerkonto:",

frontend/src/lang/translations/en.json

@@ -42,7 +42,8 @@
     "audit": "Audit Log",
     "login": "Login",
     "logout": "Logout",
-    "keygen": "Key Generator"
+    "keygen": "Key Generator",
+    "calculator": "IP Calculator"
   },
   "home": {
     "headline": "WireGuard® VPN Portal",
@@ -117,6 +118,7 @@
       "dns": "DNS Servers",
       "mtu": "MTU",
       "default-keep-alive": "Default Keepalive Interval",
+      "default-dns": "Default DNS Servers",
       "button-show-config": "Show configuration",
       "button-download-config": "Download configuration",
       "button-store-config": "Store configuration for wg-quick",
@@ -220,6 +222,16 @@
       "button-delete-text": "Delete the passkey. You will not be able to log in with this passkey anymore.",
       "button-register-title": "Register Passkey",
       "button-register-text": "Register a new Passkey to secure your account."
+    },
+    "password": {
+      "headline": "Password Settings",
+      "abstract": "Here you can change your password.",
+      "current-label": "Current Password",
+      "new-label": "New Password",
+      "new-confirm-label": "Confirm New Password",
+      "change-button-text": "Change Password",
+      "invalid-confirm-label": "Passwords do not match",
+      "weak-label": "Password is too weak"
     }
   },
   "audit": {
@@ -258,6 +270,26 @@
         "placeholder": "The pre-shared key"
     }
   },
+  "calculator": {
+    "headline": "WireGuard IP Calculator",
+    "abstract": "Generate a WireGuard Allowed IPs. The IP subnets are generated in your local browser and are never sent to the server.",
+    "headline-allowed-ip": "New Allowed IPs",
+    "button-exclude-private": "Exclude Private IP Ranges",
+    "allowed-ip": {
+        "label": "Allowed IPs",
+        "placeholder": "0.0.0.0/0, ::/0",
+        "empty": "Value cannot be empty"
+    },
+    "dissallowed-ip": {
+        "label": "Disallowed IPs",
+        "placeholder": "10.0.0.0/8, 192.168.0.0/16",
+        "invalid": "Invalid address: {addr}"
+    },
+    "new-allowed-ip": {
+        "label": "Allowed IPs",
+        "placeholder": ""
+    }
+  },
   "modals": {
     "user-view": {
       "headline": "User Account:",

frontend/src/lang/translations/es.json

@@ -2,6 +2,26 @@
   "languages": {
     "es": "Español"
   },
+  "calculator": {
+    "abstract": "Genera direcciones IP permitidas de WireGuard. Las subredes IP se generan en tu navegador local y nunca se envían al servidor.",
+    "allowed-ip": {
+      "empty": "El valor no puede estar vacío",
+      "label": "IPs permitidas",
+      "placeholder": "0.0.0.0/0, ::/0"
+    },
+    "button-exclude-private": "Excluir rangos de IP privadas",
+    "dissallowed-ip": {
+      "invalid": "Dirección inválida: {addr}",
+      "label": "IPs no permitidas",
+      "placeholder": "10.0.0.0/8, 192.168.0.0/16"
+    },
+    "headline": "Calculadora de IPs de WireGuard",
+    "headline-allowed-ip": "Nuevas IPs permitidas",
+    "new-allowed-ip": {
+      "label": "IPs permitidas",
+      "placeholder": ""
+    }
+  },
   "general": {
     "pagination": {
       "size": "Numero de elementos",
@@ -33,6 +53,7 @@
     "button-webauthn": "Usar clave de acceso"
   },
   "menu": {
+    "calculator": "Calculadora IP",
     "home": "Inicio",
     "interfaces": "Interfaces",
     "users": "Usuarios",
@@ -69,7 +90,7 @@
     "profiles": {
       "headline": "Perfiles VPN",
       "abstract": "Puedes acceder y descargar tus configuraciones personales de VPN desde tu perfil de usuario.",
-      "content": "para ver todos tus perfiles configurados, haz clic en el botón de abajo.",
+      "content": "Para ver todos tus perfiles configurados, haz clic en el botón de abajo.",
       "button": "Abrir mi perfil"
     },
     "admin": {
@@ -96,7 +117,7 @@
     "table-heading": {
       "name": "Nombre",
       "user": "Usuario",
-      "ip": "IP's",
+      "ip": "IPs",
       "endpoint": "Endpoint",
       "status": "Estado"
     },
@@ -114,6 +135,7 @@
       "total-endpoints": "Endpoints totales",
       "ip": "Dirección IP",
       "default-allowed-ip": "IPs permitidas por defecto",
+      "default-dns": "Servidores DNS por defecto",
       "dns": "Servidores DNS",
       "mtu": "MTU",
       "default-keep-alive": "Intervalo Keepalive por defecto",
@@ -160,7 +182,7 @@
     "headline": "Mis peers VPN",
     "table-heading": {
       "name": "Nombre",
-      "ip": "IP's",
+      "ip": "IPs",
       "stats": "Estado",
       "interface": "Interfaz del servidor"
     },
@@ -220,6 +242,16 @@
       "button-delete-text": "Eliminar la llave de acceso. Ya no podrás iniciar sesión con ella.",
       "button-register-title": "Registrar llave de acceso",
       "button-register-text": "Registrar una nueva llave de acceso para proteger tu cuenta."
+    },
+    "password": {
+      "headline": "Configuración de contraseña",
+      "abstract": "Aquí puedes cambiar tu contraseña.",
+      "current-label": "Contraseña actual",
+      "new-label": "Nueva contraseña",
+      "new-confirm-label": "Confirmar nueva contraseña",
+      "change-button-text": "Cambiar contraseña",
+      "invalid-confirm-label": "Las contraseñas no coinciden",
+      "weak-label": "La contraseña es demasiado débil"
     }
   },
   "audit": {
@@ -269,7 +301,7 @@
       "firstname": "Nombre",
       "lastname": "Apellido",
       "phone": "Número de Teléfono",
-      "depeertment": "Departamento",
+      "department": "Departamento",
       "api-enabled": "Acceso API",
       "disabled": "Cuenta Deshabilitada",
       "locked": "Cuenta Bloqueada",
@@ -277,7 +309,7 @@
       "peers": {
         "name": "Nombre",
         "interface": "Interfaz",
-        "ip": "IP's"
+        "ip": "IPs"
       }
     },
     "user-edit": {
@@ -309,7 +341,7 @@
         "label": "Teléfono",
         "placeholder": "El número de teléfono"
       },
-      "depeertment": {
+      "department": {
         "label": "Departamento",
         "placeholder": "El departamento"
       },
@@ -338,6 +370,16 @@
     "interface-view": {
       "headline": "Configuración de la interfaz:"
     },
+    "password": {
+      "abstract": "Aquí puedes cambiar tu contraseña.",
+      "change-button-text": "Cambiar contraseña",
+      "current-label": "Contraseña actual",
+      "headline": "Configuración de contraseña",
+      "invalid-confirm-label": "Las contraseñas no coinciden",
+      "new-confirm-label": "Confirmar nueva contraseña",
+      "new-label": "Nueva contraseña",
+      "weak-label": "La contraseña es demasiado débil"
+    },
     "interface-edit": {
       "headline-edit": "Editar interfaz:",
       "headline-new": "Nueva interfaz",
@@ -461,6 +503,8 @@
       "section-config": "Configuración",
       "identifier": "Identificador",
       "ip": "Direcciones IP",
+      "allowed-ip": "Direcciones IP permitidas",
+      "extra-allowed-ip": "Direcciones IP permitidas del lado del servidor",
       "user": "Usuario Asociado",
       "notes": "Notas",
       "expiry-status": "Expira en",
@@ -469,10 +513,10 @@
       "connection-status": "Estadísticas de Conexión",
       "upload": "Bytes Subidos (del Servidor al peer)",
       "download": "Bytes Descargados (del peer al Servidor)",
-      "pingable": "Es Alcanzable (Ping)",
-      "handshake": "Último Handshake",
+      "pingable": "Alcanzable (ping)",
+      "handshake": "Último handshake",
       "connected-since": "Conectado desde",
-      "endpoint": "Endpoint",
+      "endpoint": "Dirección del host remoto",
       "button-download": "Descargar configuración",
       "button-email": "Enviar configuración por Correo Electrónico",
       "style-label": "Estilo de Configuración"
@@ -488,7 +532,7 @@
       "header-hooks": "Hooks (Ejecutados en el peer)",
       "header-state": "Estado",
       "display-name": {
-        "label": "Nombre para Mostrar",
+        "label": "Nombre para mostrar",
         "placeholder": "El nombre descriptivo para el peer"
       },
       "linked-user": {
@@ -501,7 +545,7 @@
         "help": "La clave privada se almacena de forma segura en el servidor. Si el usuario ya posee una copia, puedes omitir este campo. El servidor sigue funcionando exclusivamente con la clave pública del peer."
       },
       "public-key": {
-        "label": "Cave Pública",
+        "label": "Clave Pública",
         "placeholder": "La Clave pública"
       },
       "preshared-key": {
@@ -512,6 +556,10 @@
         "label": "Dirección del endpoint",
         "placeholder": "La dirección del endpoint remoto"
       },
+      "endpoint-public-key": {
+        "label": "Clave pública del punto del endpoint",
+        "placeholder": "La clave pública del endpoint remoto"
+      },
       "ip": {
         "label": "Direcciones IP",
         "placeholder": "Direcciones IP (formato CIDR)"
@@ -576,11 +624,11 @@
         "description": "Un identificador de usuario (el nombre de usuario) para el cual debe crearse un peer."
       },
       "prefix": {
-        "headline-peer": "peer:",
+        "headline-peer": "Peer:",
         "headline-endpoint": "Endpoint:",
-        "label": "Prefijo del Nombre peera Mostrar",
-        "placeholder": "El prefijo",
-        "description": "Un prefijo que se agregará al nombre mostrado de los peers."
+        "label": "Prefijo del nombre del peer a mostrar",
+        "placeholder": "Prefijo",
+        "description": "Un prefijo que se agregará al nombre visible de los peers."
       }
     }
   }

frontend/src/lang/translations/ru.json

@@ -29,7 +29,8 @@
       "label": "Пароль",
       "placeholder": "Пожалуйста, введите ваш пароль"
     },
-    "button": "Войти"
+    "button": "Войти",
+    "button-webauthn": "Использовать Passkey"
   },
   "menu": {
     "home": "Главная",
@@ -37,8 +38,12 @@
     "users": "Пользователи",
     "lang": "Сменить язык",
     "profile": "Мой профиль",
+    "settings": "Настройки",
+    "audit": "Журнал аудита",
     "login": "Вход",
-    "logout": "Выход"
+    "logout": "Выход",
+    "keygen": "Генератор ключей",
+    "calculator": "Калькулятор IP-адресов"
   },
   "home": {
     "headline": "Портал VPN WireGuard®",
@@ -100,6 +105,8 @@
     "interface": {
       "headline": "Статус интерфейса для",
       "backend": "бэкэнд",
+      "unknown-backend": "Неизвестно",
+      "wrong-backend": "Неверный бэкэнд, вместо него используется локальный сервер WireGuard!",
       "key": "Публичный ключ",
       "endpoint": "Публичная конечная точка",
       "port": "Порт прослушивания",
@@ -112,6 +119,7 @@
       "dns": "DNS-серверы",
       "mtu": "MTU",
       "default-keep-alive": "Интервал поддержания активности по умолчанию",
+      "default-dns": "DNS-сервера по-умолчанию",
       "button-show-config": "Показать конфигурацию",
       "button-download-config": "Скачать конфигурацию",
       "button-store-config": "Сохранить конфигурацию для wg-quick",
@@ -168,6 +176,121 @@
     "button-show-peer": "Показать пира",
     "button-edit-peer": "Редактировать пира"
   },
+  "settings": {
+    "headline": "Настройки",
+    "abstract": "Здесь вы можете изменить персональные настройки.",
+    "api": {
+      "headline": "Настройки API",
+      "abstract": "Здесь можете настроить RESTful API.",
+      "active-description": "В данный момент API активен для вашей учетной записи. Все запросы API проверяются с помощью Basic Auth. Для проверки подлинности используйте следующие учетные данные.",
+      "inactive-description": "В данный момент API неактивен. Нажмите кнопку ниже, чтобы активировать его.",
+      "user-label": "Имя пользователя API:",
+      "user-placeholder": "Имя пользователя API",
+      "token-label": "API-пароль:",
+      "token-placeholder": "API-токен",
+      "token-created-label": "Доступ к API предоставлен с: ",
+      "button-disable-title": "Отключение API приведет к аннулированию текущего токена.",
+      "button-disable-text": "Отключить API",
+      "button-enable-title": "Включение API приведет к созданию нового токена.",
+      "button-enable-text": "Включить API",
+      "api-link": "Документация API"
+    },
+    "webauthn": {
+      "headline": "Настройки Passkey",
+      "abstract": "Passkey - это современный способ аутентификации пользователей без использования паролей. Он надежно хранятся в вашем браузере и могут быть использованы для входа в WireGuard Portal.",
+      "active-description": "В данный момент для вашей учетной записи пользователя активен по крайней мере один Passkey.",
+      "inactive-description": "В настоящее время для вашей учетной записи пользователя не зарегистрировано ни одного Passkey. Нажмите кнопку ниже, чтобы зарегистрировать новый Passkey.",
+      "table": {
+        "name": "Название",
+        "created": "Создано",
+        "actions": ""
+      },
+      "credentials-list": "Зарегистрированные Passkeys",
+      "modal-delete": {
+        "headline": "Удалить Passkey",
+        "abstract": "Вы уверены, что хотите удалить этот Passkey? Вы больше не сможете войти в систему с помощью этого Passkey.",
+        "created": "Создано:",
+        "button-delete": "Удалить",
+        "button-cancel": "Отмена"
+      },
+      "button-rename-title": "Переименновать",
+      "button-rename-text": "Переименновать Passkey.",
+      "button-save-title": "Сохранить",
+      "button-save-text": "Сохранить новое название Passkey.",
+      "button-cancel-title": "Отмена",
+      "button-cancel-text": "Отмена переименования Passkey.",
+      "button-delete-title": "Удалить",
+      "button-delete-text": "Удалить Passkey. Вы больше не сможете войти в систему с помощью этого Passkey.",
+      "button-register-title": "Зарегистрировать Passkey",
+      "button-register-text": "Зарегистрировать Passkey, чтобы защитить свою учетную запись."
+    },
+    "password": {
+      "headline": "Настройки пароля",
+      "abstract": "Здесь можете изменить свой пароль.",
+      "current-label": "Текущий пароль",
+      "new-label": "Новый пароль",
+      "new-confirm-label": "Повторно новый пароль",
+      "change-button-text": "Изменить пароль",
+      "invalid-confirm-label": "Пароли не совпадают",
+      "weak-label": "Пароль слишком простой"
+    }
+  },
+  "audit": {
+    "headline": "Журнал аудита",
+    "abstract": "Здесь вы можете ознакомиться с журналом аудита всех действий, выполненных на WireGuard Portal.",
+    "no-entries": {
+      "headline": "Нет доступных записей в журнале",
+      "abstract": "В данный момент, журнал аудита пуст."
+    },
+    "entries-headline": "Записи журнала",
+    "table-heading": {
+      "id": "#",
+      "time": "Время",
+      "user": "Пользователь",
+      "severity": "Серьезность",
+      "origin": "Источник",
+      "message": "Сообщение"
+    }
+  },
+  "keygen": {
+    "headline": "Генератор WireGuard-ключей",
+    "abstract": "Генерация WireGuard-ключей. Ключи генерируются в вашем локальном браузере и никогда не отправляются на сервер.",
+    "headline-keypair": "Новая пара ключей",
+    "headline-preshared-key": "Новый общий ключ",
+    "button-generate": "Генерировать",
+    "private-key": {
+        "label": "Приватный ключ",
+        "placeholder": "Приватный ключ"
+    },
+    "public-key": {
+        "label": "Публичный ключ",
+        "placeholder": "Публичный ключ"
+    },
+    "preshared-key": {
+        "label": "Общий ключ",
+        "placeholder": "Общий ключ"
+    }
+  },
+  "calculator": {
+    "headline": "Калькулятор IP-адресов",
+    "abstract": "Генерация разрешенных IP-адресов. IP-подсети генерируются в вашем локальном браузере и никогда не отправляются на сервер.",
+    "headline-allowed-ip": "Новые разрешенные IP-адреса",
+    "button-exclude-private": "Исключить частные диапазоны IP-адресов",
+    "allowed-ip": {
+        "label": "Разрешенные IP-адреса",
+        "placeholder": "0.0.0.0/0, ::/0",
+        "empty": "Поле ввода не должно быть пустым"
+    },
+    "dissallowed-ip": {
+        "label": "Запрещенные IP-адреса",
+        "placeholder": "10.0.0.0/8, 192.168.0.0/16",
+        "invalid": "Некорректный адрес: {addr}"
+    },
+    "new-allowed-ip": {
+        "label": "Разрешенные IP-адреса",
+        "placeholder": ""
+    }
+  },
   "modals": {
     "user-view": {
       "headline": "Учетная запись пользователя:",
@@ -180,6 +303,7 @@
       "lastname": "Фамилия",
       "phone": "Номер телефона",
       "department": "Отдел",
+      "api-enabled": "API",
       "disabled": "Учетная запись отключена",
       "locked": "Учетная запись заблокирована",
       "no-peers": "У пользователя нет связанных пиров.",
@@ -207,7 +331,8 @@
       "password": {
         "label": "Пароль",
         "placeholder": "Надежный пароль",
-        "description": "Оставьте это поле пустым, чтобы сохранить текущий пароль."
+        "description": "Оставьте это поле пустым, чтобы сохранить текущий пароль.",
+        "too-weak": "Пароль слишком простой. Используйте более сложный пароль."
       },
       "email": {
         "label": "Электронная почта",
@@ -267,6 +392,11 @@
         "client": "Режим клиента",
         "any": "Неизвестный режим"
       },
+      "backend": {
+        "label": "Бэкэнд интерфейса",
+        "invalid-label": "Оригинальный бэкэнд больше недоступн, вместо нее используется локальная WireGuard-бэкэнд!",
+        "local": "Локальный WireGuard-бэкэнд"
+      },
       "display-name": {
         "label": "Отображаемое имя",
         "placeholder": "Описательное имя для интерфейса"
@@ -364,6 +494,8 @@
       "section-config": "Конфигурация",
       "identifier": "Идентификатор",
       "ip": "IP-адреса",
+      "allowed-ip": "Разрешённые IP-адреса",
+      "extra-allowed-ip": "Разрешённые IP-адреса на стороне сервера",
       "user": "Связанный пользователь",
       "notes": "Заметки",
       "expiry-status": "Истекает в",
@@ -376,8 +508,10 @@
       "handshake": "Последнее рукопожатие",
       "connected-since": "Подключен с",
       "endpoint": "Конечная точка",
+      "endpoint-key": "Публичный ключ конечной точки",
       "button-download": "Скачать конфигурацию",
-      "button-email": "Отправить конфигурацию по электронной почте"
+      "button-email": "Отправить конфигурацию по электронной почте",
+      "style-label": "Вид конфигурации"
     },
     "peer-edit": {
       "headline-edit-peer": "Редактировать пира:",
@@ -399,7 +533,8 @@
       },
       "private-key": {
         "label": "Приватный ключ",
-        "placeholder": "Приватный ключ"
+        "placeholder": "Приватный ключ",
+        "help": "Закрытый ключ надежно хранится на сервере. Если у пользователя уже есть копия, вы можете не указывать это поле. Сервер работает исключительно с открытым ключом клиента."
       },
       "public-key": {
         "label": "Публичный ключ",
@@ -431,61 +566,61 @@
         "description": "Эти IP-адреса будут добавлены в удаленный интерфейс WireGuard как разрешенные IP-адреса."
       },
       "dns": {
-        "label": "DNS Server",
-        "placeholder": "The DNS servers that should be used"
+        "label": "DNS-сервер",
+        "placeholder": "Используемые DNS-серверы"
       },
       "dns-search": {
-        "label": "DNS Search Domains",
-        "placeholder": "DNS search prefixes"
+        "label": "Поисковые домены DNS",
+        "placeholder": "Префиксы поиска DNS"
       },
       "keep-alive": {
-        "label": "Keep Alive Interval",
-        "placeholder": "Persistent Keepalive (0 = default)"
+        "label": "Интервал поддержания активности",
+        "placeholder": "Постоянное поддержание активности (0 = значение по умолчанию)"
       },
       "mtu": {
         "label": "MTU",
-        "placeholder": "The client MTU (0 = keep default)"
+        "placeholder": "MTU клиента (0 = использовать значение по умолчанию)"
       },
       "pre-up": {
         "label": "Pre-Up",
-        "placeholder": "One or multiple bash commands separated by ;"
+        "placeholder": "Одна или несколько команд bash, разделенных ;"
       },
       "post-up": {
         "label": "Post-Up",
-        "placeholder": "One or multiple bash commands separated by ;"
+        "placeholder": "Одна или несколько команд bash, разделенных ;"
       },
       "pre-down": {
         "label": "Pre-Down",
-        "placeholder": "One or multiple bash commands separated by ;"
+        "placeholder": "Одна или несколько команд bash, разделенных ;"
       },
       "post-down": {
         "label": "Post-Down",
-        "placeholder": "One or multiple bash commands separated by ;"
+        "placeholder": "Одна или несколько команд bash, разделенных ;"
       },
       "disabled": {
-        "label": "Peer Disabled"
+        "label": "Узел отключен"
       },
       "ignore-global": {
-        "label": "Ignore global settings"
+        "label": "Игнорировать глобальные настройки"
       },
       "expires-at": {
-        "label": "Expiry date"
+        "label": "Дата истечения срока действия"
       }
     },
     "peer-multi-create": {
-      "headline-peer": "Create multiple peers",
-      "headline-endpoint": "Create multiple endpoints",
+      "headline-peer": "Создать несколько узлов",
+      "headline-endpoint": "Создать несколько конечных точек",
       "identifiers": {
-        "label": "User Identifiers",
-        "placeholder": "User Identifiers",
-        "description": "A user identifier (the username) for which a peer should be created."
+        "label": "Идентификаторы пользователей",
+        "placeholder": "Идентификаторы пользователей",
+        "description": "Идентификатор пользователя (имя пользователя), для которого узел будет создан."
       },
       "prefix": {
-        "headline-peer": "Peer:",
-        "headline-endpoint": "Endpoint:",
-        "label": "Display Name Prefix",
-        "placeholder": "The prefix",
-        "description": "A prefix that is added to the peers display name."
+        "headline-peer": "Узел:",
+        "headline-endpoint": "Конечная точка:",
+        "label": "Префикс отображаемого имени",
+        "placeholder": "Префикс",
+        "description": "Префикс будет добавлен к отображаемому имени узла."
       }
     }
   }

frontend/src/router/index.js

@@ -72,6 +72,14 @@ const router = createRouter({
       // this generates a separate chunk (About.[hash].js) for this route
       // which is lazy-loaded when the route is visited.
       component: () => import('../views/KeyGeneraterView.vue')
+    },
+    {
+      path: '/ip-calculator',
+      name: 'ip-calculator',
+      // route level code-splitting
+      // this generates a separate chunk (About.[hash].js) for this route
+      // which is lazy-loaded when the route is visited.
+      component: () => import('../views/IPCalculatorView.vue')
     }
   ],
   linkActiveClass: "active",
@@ -122,7 +130,7 @@ router.beforeEach(async (to) => {
   }
 
   // redirect to login page if not logged in and trying to access a restricted page
-  const publicPages = ['/', '/login', '/key-generator']
+  const publicPages = ['/', '/login', '/key-generator', '/ip-calculator']
   const authRequired = !publicPages.includes(to.path)
 
   if (authRequired && !auth.IsAuthenticated) {

frontend/src/stores/interfaces.js

@@ -115,6 +115,7 @@ export const interfaceStore = defineStore('interfaces', {
       return apiWrapper.post(`${baseUrl}/new`, formData)
         .then(iface => {
           this.interfaces.push(iface)
+          this.selected = iface.Identifier
           this.fetching = false
         })
         .catch(error => {

frontend/src/stores/peers.js

@@ -126,9 +126,14 @@ export const peerStore = defineStore('peers', {
       if (!statsResponse) {
         this.stats = {}
         this.statsEnabled = false
+      } else {
+          this.stats = statsResponse.Stats
+          this.statsEnabled = statsResponse.Enabled
       }
-      this.stats = statsResponse.Stats
-      this.statsEnabled = statsResponse.Enabled
+    },
+    async Reset() {
+      this.setPeers([])
+      this.setStats(undefined)
     },
     async PreparePeer(interfaceId) {
       return apiWrapper.get(`${baseUrl}/iface/${base64_url_encode(interfaceId)}/prepare`)
@@ -186,10 +191,10 @@ export const peerStore = defineStore('peers', {
     async LoadStats(interfaceId) {
       // if no interfaceId is given, use the currently selected interface
       if (!interfaceId) {
-        interfaceId = interfaceStore().GetSelected.Identifier
-        if (!interfaceId) {
-          return // no interface, nothing to load
+        if (!interfaceStore().GetSelected || !interfaceStore().GetSelected.Identifier) {
+            return // no interface, nothing to load
         }
+        interfaceId = interfaceStore().GetSelected.Identifier
       }
       this.fetching = true
 
@@ -260,10 +265,10 @@ export const peerStore = defineStore('peers', {
     async LoadPeers(interfaceId) {
       // if no interfaceId is given, use the currently selected interface
       if (!interfaceId) {
-        interfaceId = interfaceStore().GetSelected.Identifier
-        if (!interfaceId) {
+        if (!interfaceStore().GetSelected || !interfaceStore().GetSelected.Identifier) {
           return // no interface, nothing to load
         }
+        interfaceId = interfaceStore().GetSelected.Identifier
       }
       this.fetching = true
 

frontend/src/stores/profile.js

@@ -151,6 +151,17 @@ export const profileStore = defineStore('profile', {
             })
           })
     },
+    async changePassword(formData) {
+      this.fetching = true
+      let currentUser = authStore().user.Identifier
+      return apiWrapper.post(`${baseUrl}/${base64_url_encode(currentUser)}/change-password`, formData)
+          .then(this.fetching = false)
+          .catch(error => {
+            this.fetching = false;
+            console.log("Failed to change password for ", currentUser, ": ", error);
+            throw new Error(error);
+          });
+    },
     async LoadPeers() {
       this.fetching = true
       let currentUser = authStore().user.Identifier

frontend/src/views/IPCalculatorView.vue

@@ -0,0 +1,139 @@
+<script setup>
+
+import {ref, watch, computed} from "vue";
+import isCidr from "is-cidr";
+import {isIP} from "is-ip";
+import {excludeCidr} from "cidr-tools";
+import {useI18n} from 'vue-i18n';
+
+const allowedIp = ref("")
+const dissallowedIp = ref("")
+const privateIP = ref("10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16")
+
+const {t} = useI18n()
+
+const errorAllowed = ref("")
+const errorDissallowed = ref("")
+
+/**
+ * Validate a comma-separated list of IP and/or CIDR addresses.
+ * @function validateIpAndCidrList
+ * @param {string} value - Comma-separated string (e.g. "10.0.0.0/8, 192.168.0.1")
+ * @returns {true|string} Returns true if all values are valid, otherwise an error message.
+ */
+function validateIpAndCidrList(value) {
+  const list = value.split(",").map(v => v.trim()).filter(Boolean);
+  if (list.length === 0) { 
+    return t('calculator.allowed-ip.empty');
+  }
+  
+  for (const addr of list) {
+    if (!isIP(addr) && !isCidr(addr)) {
+      return t('calculator.dissallowed-ip.invalid', {addr});
+    }
+  }
+  return true;
+}
+
+/**
+ * Watcher that validates allowed IPs input in real-time.
+ * Updates `errorAllowed` whenever `allowedIp` changes.
+ */
+watch(allowedIp, (newValue) => {
+  const result = validateIpAndCidrList(newValue);
+  errorAllowed.value = result === true ? "" : result;
+});
+
+/**
+ * Watcher that validates disallowed IPs input in real-time.
+ * Updates `errorDissallowed` whenever `dissallowedIp` changes.
+ */
+watch(dissallowedIp, (newValue) => {
+  if (!allowedIp.value || allowedIp.value.trim() === "") {
+    allowedIp.value = "0.0.0.0/0";
+  }
+  const result = validateIpAndCidrList(newValue);
+  errorDissallowed.value = result === true ? "" : result;
+});
+
+/**
+ * Dynamically computes the resulting "Allowed IPs" list
+ * by excluding the disallowed ranges from the allowed ranges.
+ * @constant
+ * @type {ComputedRef<string>}
+ * @returns {string} A comma-separated string of resulting CIDR blocks.
+ */
+const newAllowedIp = computed(() => {
+  if (errorAllowed.value || errorDissallowed.value) return "";
+
+  try {
+    const allowedList = allowedIp.value.split(",").map(v => v.trim()).filter(Boolean);
+    const disallowedList = dissallowedIp.value.split(",").map(v => v.trim()).filter(Boolean);
+
+    const result = excludeCidr(allowedList, disallowedList);
+
+    return result.join(", ");
+  } catch (e) {
+    console.error("Allowed IPs calculation error:", e);
+    return "";
+  }
+});
+
+/**
+ * Append private IP ranges to disallowed IPs.
+ * If any already exist, they are preserved and new ones are appended only if not present.
+ * @function addPrivateIPs
+ */
+function addPrivateIPs() {
+  const privateList = privateIP.value.split(",").map(v => v.trim());
+  const currentList = dissallowedIp.value.split(",").map(v => v.trim()).filter(Boolean);
+
+  const combined = Array.from(new Set([...currentList, ...privateList]));
+  dissallowedIp.value = combined.join(", ");
+}
+
+</script>
+
+<template>
+  <div class="page-header">
+    <h1>{{ $t('calculator.headline') }}</h1>
+  </div>
+
+  <p class="lead">{{ $t('calculator.abstract') }}</p>
+
+  <div class="mt-4 row">
+    <div class="col-12 col-lg-5">
+      <fieldset>
+        <div class="form-group">
+          <label class="form-label mt-4">{{ $t('calculator.allowed-ip.label') }}</label>
+          <input class="form-control" v-model="allowedIp" :placeholder="$t('calculator.allowed-ip.placeholder')" :class="{ 'is-invalid': errorAllowed }">
+          <div v-if="errorAllowed" class="text-danger mt-1">{{ errorAllowed }}</div>
+        </div>
+        <div class="form-group">
+          <label class="form-label mt-4">{{ $t('calculator.dissallowed-ip.label') }}</label>
+          <input class="form-control" v-model="dissallowedIp" :placeholder="$t('calculator.dissallowed-ip.placeholder')" :class="{ 'is-invalid': errorDissallowed }">
+          <div v-if="errorDissallowed" class="text-danger mt-1">{{ errorDissallowed }}</div>
+        </div>
+      </fieldset>
+      <fieldset>
+        <hr class="mt-4">
+        <button class="btn btn-primary mb-4" type="button" @click="addPrivateIPs">{{ $t('calculator.button-exclude-private') }}</button>
+      </fieldset>
+    </div>
+    <div class="col-12 col-lg-2 mt-sm-4">
+    </div>
+    <div class="col-12 col-lg-5">
+      <h1>{{ $t('calculator.headline-allowed-ip') }}</h1>
+      <fieldset>
+        <div class="form-group">
+          <textarea class="form-control" :value="newAllowedIp" rows="6" :placeholder="$t('calculator.new-allowed-ip.placeholder')" readonly></textarea>
+        </div>
+      </fieldset>
+    </div>
+  </div>
+
+</template>
+
+<style scoped>
+
+</style>

frontend/src/views/InterfaceView.vue

@@ -217,14 +217,14 @@ onMounted(async () => {
                   <td>{{ $t('interfaces.interface.ip') }}:</td>
                   <td><span class="badge bg-light me-1" v-for="addr in interfaces.GetSelected.Addresses" :key="addr">{{addr}}</span></td>
                 </tr>
-                <tr>
-                  <td>{{ $t('interfaces.interface.dns') }}:</td>
-                  <td><span class="badge bg-light me-1" v-for="addr in interfaces.GetSelected.Dns" :key="addr">{{addr}}</span></td>
-                </tr>
                 <tr>
                   <td>{{ $t('interfaces.interface.mtu') }}:</td>
                   <td>{{interfaces.GetSelected.Mtu}}</td>
                 </tr>
+                <tr>
+                  <td>{{ $t('interfaces.interface.default-dns') }}:</td>
+                  <td><span class="badge bg-light me-1" v-for="addr in interfaces.GetSelected.PeerDefDns" :key="addr">{{addr}}</span></td>
+                </tr>
                 <tr>
                   <td>{{ $t('interfaces.interface.default-keep-alive') }}:</td>
                   <td>{{interfaces.GetSelected.PeerDefPersistentKeepalive}}</td>

frontend/src/views/SettingsView.vue

@@ -1,8 +1,9 @@
 <script setup>
-import {onMounted, ref} from "vue";
+import {computed, onMounted, ref} from "vue";
 import { profileStore } from "@/stores/profile";
 import { settingsStore } from "@/stores/settings";
 import { authStore } from "../stores/auth";
+import {notify} from "@kyvg/vue3-notification";
 
 const profile = profileStore()
 const settings = settingsStore()
@@ -34,6 +35,45 @@ async function saveRename(credential) {
     console.error("Failed to rename credential:", error);
   }
 }
+
+const pwFormData = ref({
+  OldPassword: '',
+  Password: '',
+  PasswordRepeat: '',
+})
+
+const passwordWeak = computed(() => {
+  return pwFormData.value.Password && pwFormData.value.Password.length > 0 && pwFormData.value.Password.length < settings.Setting('MinPasswordLength')
+})
+
+const passwordChangeAllowed = computed(() => {
+  return pwFormData.value.Password && pwFormData.value.Password.length >= settings.Setting('MinPasswordLength') &&
+      pwFormData.value.Password === pwFormData.value.PasswordRepeat &&
+      pwFormData.value.OldPassword && pwFormData.value.OldPassword.length > 0 && pwFormData.value.OldPassword !== pwFormData.value.Password;
+})
+
+const updatePassword = async () => {
+  try {
+    await profile.changePassword(pwFormData.value);
+
+    pwFormData.value.OldPassword = '';
+    pwFormData.value.Password = '';
+    pwFormData.value.PasswordRepeat = '';
+    notify({
+      title: "Password changed!",
+      text: "Your password has been changed successfully.",
+      type: 'success',
+    });
+  } catch (e) {
+    notify({
+      title: "Failed to update password!",
+      text: e.toString(),
+      type: 'error',
+    })
+  }
+}
+
+
 </script>
 
 <template>
@@ -43,52 +83,45 @@ async function saveRename(credential) {
 
   <p class="lead">{{ $t('settings.abstract') }}</p>
 
-  <div v-if="auth.IsAdmin || !settings.Setting('ApiAdminOnly')">
-    <div class="card border-secondary p-5" v-if="profile.user.ApiToken">
-      <h2 class="display-7">{{ $t('settings.api.headline') }}</h2>
-      <p class="lead">{{ $t('settings.api.abstract') }}</p>
-      <hr class="my-4">
-      <p>{{ $t('settings.api.active-description') }}</p>
-      <div class="row">
-        <div class="col-6">
-          <div class="form-group">
-            <label class="form-label mt-4">{{ $t('settings.api.user-label') }}</label>
-            <input v-model="profile.user.Identifier" class="form-control" :placeholder="$t('settings.api.user-placeholder')" type="text" readonly>
-          </div>
-        </div>
-        <div class="col-6">
-          <div class="form-group">
-            <label class="form-label mt-4">{{ $t('settings.api.token-label') }}</label>
-            <input v-model="profile.user.ApiToken" class="form-control" :placeholder="$t('settings.api.token-placeholder')" type="text" readonly>
-          </div>
+  <div class="card border-secondary p-5 mt-5" v-if="profile.user.Source === 'db'">
+    <h2 class="display-7">{{ $t('settings.password.headline') }}</h2>
+    <p class="lead">{{ $t('settings.password.abstract') }}</p>
+    <hr class="my-4">
+
+    <div class="row">
+      <div class="col-6">
+        <div class="form-group">
+          <label class="form-label mt-4" for="oldpw">{{ $t('settings.password.current-label') }}</label>
+          <input id="oldpw" v-model="pwFormData.OldPassword" class="form-control" :class="{ 'is-invalid': pwFormData.Password && !pwFormData.OldPassword }" type="password">
         </div>
       </div>
-      <div class="row">
-        <div class="col-12">
-          <div class="form-group">
-            <p class="form-label mt-4">{{ $t('settings.api.token-created-label') }} {{profile.user.ApiTokenCreated}}</p>
-          </div>
+      <div class="col-6">
+      </div>
+    </div>
+    <div class="row">
+      <div class="col-6">
+        <div class="form-group has-success">
+          <label class="form-label mt-4" for="newpw">{{ $t('settings.password.new-label') }}</label>
+          <input id="newpw" v-model="pwFormData.Password" class="form-control" :class="{ 'is-invalid': passwordWeak,  'is-valid': pwFormData.Password !== '' && !passwordWeak }" type="password">
+          <div class="invalid-feedback" v-if="passwordWeak">{{ $t('settings.password.weak-label') }}</div>
         </div>
       </div>
-      <div class="row mt-5">
-        <div class="col-6">
-          <button class="btn btn-primary" :title="$t('settings.api.button-disable-title')" @click.prevent="profile.disableApi()" :disabled="profile.isFetching">
-            <i class="fa-solid fa-minus-circle"></i> {{ $t('settings.api.button-disable-text') }}
-          </button>
-        </div>
-        <div class="col-6">
-          <a href="/api/v1/doc.html" target="_blank" :alt="$t('settings.api.api-link')">{{ $t('settings.api.api-link') }}</a>
+      <div class="col-6">
+        <div class="form-group">
+          <label class="form-label mt-4" for="confirmnewpw">{{ $t('settings.password.new-confirm-label') }}</label>
+          <input id="confirmnewpw" v-model="pwFormData.PasswordRepeat" class="form-control" :class="{ 'is-invalid': pwFormData.PasswordRepeat !== ''&& pwFormData.Password !== pwFormData.PasswordRepeat,  'is-valid': pwFormData.PasswordRepeat !== '' && pwFormData.Password === pwFormData.PasswordRepeat && !passwordWeak }" type="password">
+          <div class="invalid-feedback" v-if="pwFormData.PasswordRepeat !== ''&& pwFormData.Password !== pwFormData.PasswordRepeat">{{ $t('settings.password.invalid-confirm-label') }}</div>
         </div>
       </div>
     </div>
-    <div class="card border-secondary p-5" v-else>
-      <h2 class="display-7">{{ $t('settings.api.headline') }}</h2>
-      <p class="lead">{{ $t('settings.api.abstract') }}</p>
-      <hr class="my-4">
-      <p>{{ $t('settings.api.inactive-description') }}</p>
-      <button class="btn btn-primary" :title="$t('settings.api.button-enable-title')" @click.prevent="profile.enableApi()" :disabled="profile.isFetching">
-        <i class="fa-solid fa-plus-circle"></i> {{ $t('settings.api.button-enable-text') }}
-      </button>
+    <div class="row mt-5">
+      <div class="col-6">
+        <button class="btn btn-primary" :title="$t('settings.api.button-disable-title')" @click.prevent="updatePassword" :disabled="profile.isFetching || !passwordChangeAllowed">
+          <i class="fa-solid fa-floppy-disk"></i> {{ $t('settings.password.change-button-text') }}
+        </button>
+      </div>
+      <div class="col-6">
+      </div>
     </div>
   </div>
 
@@ -173,4 +206,53 @@ async function saveRename(credential) {
     </div>
 
   </div>
+
+  <div class="mt-5" v-if="auth.IsAdmin || !settings.Setting('ApiAdminOnly')">
+    <div class="card border-secondary p-5" v-if="profile.user.ApiToken">
+      <h2 class="display-7">{{ $t('settings.api.headline') }}</h2>
+      <p class="lead">{{ $t('settings.api.abstract') }}</p>
+      <hr class="my-4">
+      <p>{{ $t('settings.api.active-description') }}</p>
+      <div class="row">
+        <div class="col-6">
+          <div class="form-group">
+            <label class="form-label mt-4">{{ $t('settings.api.user-label') }}</label>
+            <input v-model="profile.user.Identifier" class="form-control" :placeholder="$t('settings.api.user-placeholder')" type="text" readonly>
+          </div>
+        </div>
+        <div class="col-6">
+          <div class="form-group">
+            <label class="form-label mt-4">{{ $t('settings.api.token-label') }}</label>
+            <input v-model="profile.user.ApiToken" class="form-control" :placeholder="$t('settings.api.token-placeholder')" type="text" readonly>
+          </div>
+        </div>
+      </div>
+      <div class="row">
+        <div class="col-12">
+          <div class="form-group">
+            <p class="form-label mt-4">{{ $t('settings.api.token-created-label') }} {{profile.user.ApiTokenCreated}}</p>
+          </div>
+        </div>
+      </div>
+      <div class="row mt-5">
+        <div class="col-6">
+          <button class="btn btn-primary" :title="$t('settings.api.button-disable-title')" @click.prevent="profile.disableApi()" :disabled="profile.isFetching">
+            <i class="fa-solid fa-minus-circle"></i> {{ $t('settings.api.button-disable-text') }}
+          </button>
+        </div>
+        <div class="col-6">
+          <a href="/api/v1/doc.html" target="_blank" :alt="$t('settings.api.api-link')">{{ $t('settings.api.api-link') }}</a>
+        </div>
+      </div>
+    </div>
+    <div class="card border-secondary p-5" v-else>
+      <h2 class="display-7">{{ $t('settings.api.headline') }}</h2>
+      <p class="lead">{{ $t('settings.api.abstract') }}</p>
+      <hr class="my-4">
+      <p>{{ $t('settings.api.inactive-description') }}</p>
+      <button class="btn btn-primary" :title="$t('settings.api.button-enable-title')" @click.prevent="profile.enableApi()" :disabled="profile.isFetching">
+        <i class="fa-solid fa-plus-circle"></i> {{ $t('settings.api.button-enable-text') }}
+      </button>
+    </div>
+  </div>
 </template>

go.mod

@@ -5,12 +5,12 @@ go 1.24.0
 require (
 	github.com/a8m/envsubst v1.4.3
 	github.com/alexedwards/scs/v2 v2.9.0
-	github.com/coreos/go-oidc/v3 v3.16.0
+	github.com/coreos/go-oidc/v3 v3.17.0
 	github.com/glebarez/sqlite v1.11.0
 	github.com/go-ldap/ldap/v3 v3.4.12
-	github.com/go-pkgz/routegroup v1.5.3
-	github.com/go-playground/validator/v10 v10.27.0
-	github.com/go-webauthn/webauthn v0.14.0
+	github.com/go-pkgz/routegroup v1.6.0
+	github.com/go-playground/validator/v10 v10.28.0
+	github.com/go-webauthn/webauthn v0.15.0
 	github.com/google/uuid v1.6.0
 	github.com/prometheus-community/pro-bing v0.7.0
 	github.com/prometheus/client_golang v1.23.2
@@ -21,50 +21,51 @@ require (
 	github.com/xhit/go-simple-mail/v2 v2.16.0
 	github.com/yeqown/go-qrcode/v2 v2.2.5
 	github.com/yeqown/go-qrcode/writer/compressed v1.0.1
-	golang.org/x/crypto v0.42.0
-	golang.org/x/oauth2 v0.31.0
-	golang.org/x/sys v0.36.0
+	golang.org/x/crypto v0.46.0
+	golang.org/x/oauth2 v0.34.0
+	golang.org/x/sys v0.39.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20241231184526-a9ab2273dd10
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/mysql v1.6.0
 	gorm.io/driver/postgres v1.6.0
-	gorm.io/driver/sqlserver v1.6.1
-	gorm.io/gorm v1.31.0
+	gorm.io/driver/sqlserver v1.6.3
+	gorm.io/gorm v1.31.1
 )
 
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
+	github.com/Azure/go-ntlmssp v0.1.0 // indirect
 	github.com/KyleBanks/depth v1.2.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.10 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.11 // indirect
 	github.com/glebarez/go-sqlite v1.22.0 // indirect
 	github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667 // indirect
 	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
-	github.com/go-openapi/jsonpointer v0.22.1 // indirect
-	github.com/go-openapi/jsonreference v0.21.2 // indirect
-	github.com/go-openapi/spec v0.22.0 // indirect
-	github.com/go-openapi/swag/conv v0.25.1 // indirect
-	github.com/go-openapi/swag/jsonname v0.25.1 // indirect
-	github.com/go-openapi/swag/jsonutils v0.25.1 // indirect
-	github.com/go-openapi/swag/loading v0.25.1 // indirect
-	github.com/go-openapi/swag/stringutils v0.25.1 // indirect
-	github.com/go-openapi/swag/typeutils v0.25.1 // indirect
-	github.com/go-openapi/swag/yamlutils v0.25.1 // indirect
+	github.com/go-openapi/jsonpointer v0.22.4 // indirect
+	github.com/go-openapi/jsonreference v0.21.4 // indirect
+	github.com/go-openapi/spec v0.22.2 // indirect
+	github.com/go-openapi/swag/conv v0.25.4 // indirect
+	github.com/go-openapi/swag/jsonname v0.25.4 // indirect
+	github.com/go-openapi/swag/jsonutils v0.25.4 // indirect
+	github.com/go-openapi/swag/loading v0.25.4 // indirect
+	github.com/go-openapi/swag/stringutils v0.25.4 // indirect
+	github.com/go-openapi/swag/typeutils v0.25.4 // indirect
+	github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-sql-driver/mysql v1.9.3 // indirect
 	github.com/go-test/deep v1.1.1 // indirect
-	github.com/go-webauthn/x v0.1.25 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/go-webauthn/x v0.1.26 // indirect
 	github.com/golang-jwt/jwt/v5 v5.3.0 // indirect
 	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
 	github.com/golang-sql/sqlexp v0.1.0 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
-	github.com/google/go-tpm v0.9.6 // indirect
+	github.com/google/go-tpm v0.9.7 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/pgx/v5 v5.7.6 // indirect
@@ -76,32 +77,32 @@ require (
 	github.com/mdlayher/genetlink v1.3.2 // indirect
 	github.com/mdlayher/netlink v1.8.0 // indirect
 	github.com/mdlayher/socket v0.5.1 // indirect
-	github.com/microsoft/go-mssqldb v1.9.3 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/microsoft/go-mssqldb v1.9.5 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.66.1 // indirect
-	github.com/prometheus/procfs v0.17.0 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
+	github.com/prometheus/procfs v0.19.2 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/toorop/go-dkim v0.0.0-20250226130143-9025cce95817 // indirect
 	github.com/vishvananda/netns v0.0.5 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/yeqown/reedsolomon v1.0.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/exp v0.0.0-20251002181428-27f1f14c8bb9 // indirect
-	golang.org/x/mod v0.28.0 // indirect
-	golang.org/x/net v0.44.0 // indirect
-	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/text v0.29.0 // indirect
-	golang.org/x/tools v0.37.0 // indirect
+	golang.org/x/exp v0.0.0-20251209150349-8475f28825e9 // indirect
+	golang.org/x/mod v0.31.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
+	golang.org/x/tools v0.40.0 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
-	modernc.org/libc v1.66.10 // indirect
+	modernc.org/libc v1.67.1 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
-	modernc.org/sqlite v1.39.0 // indirect
+	modernc.org/sqlite v1.40.1 // indirect
 	sigs.k8s.io/yaml v1.6.0 // indirect
 )

go.sum

@@ -20,8 +20,8 @@ github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/azkeys v1.3.1/go.mod h1:
 github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.0.0/go.mod h1:bTSOgj05NGRuHHhQwAdPnYr9TOdNmKlZTgGLL6nyAdI=
 github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1 h1:bFWuoEKg+gImo7pvkiQEFAc8ocibADgXeiLAxWhWmkI=
 github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1/go.mod h1:Vih/3yc6yac2JzU4hzpaDupBJP0Flaia9rXXrU8xyww=
-github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 h1:mFRzDkZVAjdal+s7s0MwaRv9igoPqLRdzOLzw/8Xvq8=
-github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
+github.com/Azure/go-ntlmssp v0.1.0 h1:DjFo6YtWzNqNvQdrwEyr/e4nhU3vRiwenz5QX7sFz+A=
+github.com/Azure/go-ntlmssp v0.1.0/go.mod h1:NYqdhxd/8aAct/s4qSYZEerdPuH1liG2/X9DiVTbhpk=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.1.1/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 h1:oygO0locgZJe7PpYPXT5A29ZkwJaPqcva7BVeemZOZs=
@@ -38,8 +38,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/coreos/go-oidc/v3 v3.16.0 h1:qRQUCFstKpXwmEjDQTIbyY/5jF00+asXzSkmkoa/mow=
-github.com/coreos/go-oidc/v3 v3.16.0/go.mod h1:wqPbKFrVnE90vty060SB40FCJ8fTHTxSwyXJqZH+sI8=
+github.com/coreos/go-oidc/v3 v3.17.0 h1:hWBGaQfbi0iVviX4ibC7bk8OKT5qNr4klBaCHVNvehc=
+github.com/coreos/go-oidc/v3 v3.17.0/go.mod h1:wqPbKFrVnE90vty060SB40FCJ8fTHTxSwyXJqZH+sI8=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -50,8 +50,8 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
 github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
-github.com/gabriel-vasile/mimetype v1.4.10 h1:zyueNbySn/z8mJZHLt6IPw0KoZsiQNszIpU+bX4+ZK0=
-github.com/gabriel-vasile/mimetype v1.4.10/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/gabriel-vasile/mimetype v1.4.11 h1:AQvxbp830wPhHTqc1u7nzoLT+ZFxGY7emj5DR5DYFik=
+github.com/gabriel-vasile/mimetype v1.4.11/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
 github.com/glebarez/go-sqlite v1.22.0 h1:uAcMJhaA6r3LHMTFgP0SifzgXg46yJkgxqyuyec+ruQ=
 github.com/glebarez/go-sqlite v1.22.0/go.mod h1:PlBIdHe0+aUEFn+r2/uthrWq4FxbzugL0L8Li6yQJbc=
 github.com/glebarez/sqlite v1.11.0 h1:wSG0irqzP6VurnMEpFGer5Li19RpIRi2qvQz++w0GMw=
@@ -62,47 +62,53 @@ github.com/go-jose/go-jose/v4 v4.1.3 h1:CVLmWDhDVRa6Mi/IgCgaopNosCaHz7zrMeF9MlZR
 github.com/go-jose/go-jose/v4 v4.1.3/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-ldap/ldap/v3 v3.4.12 h1:1b81mv7MagXZ7+1r7cLTWmyuTqVqdwbtJSjC0DAp9s4=
 github.com/go-ldap/ldap/v3 v3.4.12/go.mod h1:+SPAGcTtOfmGsCb3h1RFiq4xpp4N636G75OEace8lNo=
-github.com/go-openapi/jsonpointer v0.22.1 h1:sHYI1He3b9NqJ4wXLoJDKmUmHkWy/L7rtEo92JUxBNk=
-github.com/go-openapi/jsonpointer v0.22.1/go.mod h1:pQT9OsLkfz1yWoMgYFy4x3U5GY5nUlsOn1qSBH5MkCM=
-github.com/go-openapi/jsonreference v0.21.2 h1:Wxjda4M/BBQllegefXrY/9aq1fxBA8sI5M/lFU6tSWU=
-github.com/go-openapi/jsonreference v0.21.2/go.mod h1:pp3PEjIsJ9CZDGCNOyXIQxsNuroxm8FAJ/+quA0yKzQ=
-github.com/go-openapi/spec v0.22.0 h1:xT/EsX4frL3U09QviRIZXvkh80yibxQmtoEvyqug0Tw=
-github.com/go-openapi/spec v0.22.0/go.mod h1:K0FhKxkez8YNS94XzF8YKEMULbFrRw4m15i2YUht4L0=
+github.com/go-openapi/jsonpointer v0.22.4 h1:dZtK82WlNpVLDW2jlA1YCiVJFVqkED1MegOUy9kR5T4=
+github.com/go-openapi/jsonpointer v0.22.4/go.mod h1:elX9+UgznpFhgBuaMQ7iu4lvvX1nvNsesQ3oxmYTw80=
+github.com/go-openapi/jsonreference v0.21.4 h1:24qaE2y9bx/q3uRK/qN+TDwbok1NhbSmGjjySRCHtC8=
+github.com/go-openapi/jsonreference v0.21.4/go.mod h1:rIENPTjDbLpzQmQWCj5kKj3ZlmEh+EFVbz3RTUh30/4=
+github.com/go-openapi/spec v0.22.2 h1:KEU4Fb+Lp1qg0V4MxrSCPv403ZjBl8Lx1a83gIPU8Qc=
+github.com/go-openapi/spec v0.22.2/go.mod h1:iIImLODL2loCh3Vnox8TY2YWYJZjMAKYyLH2Mu8lOZs=
 github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyrCM=
-github.com/go-openapi/swag/conv v0.25.1 h1:+9o8YUg6QuqqBM5X6rYL/p1dpWeZRhoIt9x7CCP+he0=
-github.com/go-openapi/swag/conv v0.25.1/go.mod h1:Z1mFEGPfyIKPu0806khI3zF+/EUXde+fdeksUl2NiDs=
-github.com/go-openapi/swag/jsonname v0.25.1 h1:Sgx+qbwa4ej6AomWC6pEfXrA6uP2RkaNjA9BR8a1RJU=
-github.com/go-openapi/swag/jsonname v0.25.1/go.mod h1:71Tekow6UOLBD3wS7XhdT98g5J5GR13NOTQ9/6Q11Zo=
-github.com/go-openapi/swag/jsonutils v0.25.1 h1:AihLHaD0brrkJoMqEZOBNzTLnk81Kg9cWr+SPtxtgl8=
-github.com/go-openapi/swag/jsonutils v0.25.1/go.mod h1:JpEkAjxQXpiaHmRO04N1zE4qbUEg3b7Udll7AMGTNOo=
-github.com/go-openapi/swag/jsonutils/fixtures_test v0.25.1 h1:DSQGcdB6G0N9c/KhtpYc71PzzGEIc/fZ1no35x4/XBY=
-github.com/go-openapi/swag/jsonutils/fixtures_test v0.25.1/go.mod h1:kjmweouyPwRUEYMSrbAidoLMGeJ5p6zdHi9BgZiqmsg=
-github.com/go-openapi/swag/loading v0.25.1 h1:6OruqzjWoJyanZOim58iG2vj934TysYVptyaoXS24kw=
-github.com/go-openapi/swag/loading v0.25.1/go.mod h1:xoIe2EG32NOYYbqxvXgPzne989bWvSNoWoyQVWEZicc=
-github.com/go-openapi/swag/stringutils v0.25.1 h1:Xasqgjvk30eUe8VKdmyzKtjkVjeiXx1Iz0zDfMNpPbw=
-github.com/go-openapi/swag/stringutils v0.25.1/go.mod h1:JLdSAq5169HaiDUbTvArA2yQxmgn4D6h4A+4HqVvAYg=
-github.com/go-openapi/swag/typeutils v0.25.1 h1:rD/9HsEQieewNt6/k+JBwkxuAHktFtH3I3ysiFZqukA=
-github.com/go-openapi/swag/typeutils v0.25.1/go.mod h1:9McMC/oCdS4BKwk2shEB7x17P6HmMmA6dQRtAkSnNb8=
-github.com/go-openapi/swag/yamlutils v0.25.1 h1:mry5ez8joJwzvMbaTGLhw8pXUnhDK91oSJLDPF1bmGk=
-github.com/go-openapi/swag/yamlutils v0.25.1/go.mod h1:cm9ywbzncy3y6uPm/97ysW8+wZ09qsks+9RS8fLWKqg=
-github.com/go-pkgz/routegroup v1.5.3 h1:IvH1KLcQkMap9jucQGBlef3IBloxSAe8USUFvxShFqs=
-github.com/go-pkgz/routegroup v1.5.3/go.mod h1:Pmu04fhgWhRtBMIJ8HXppnnzOPjnL/IEPBIdO2zmeqg=
+github.com/go-openapi/swag/conv v0.25.4 h1:/Dd7p0LZXczgUcC/Ikm1+YqVzkEeCc9LnOWjfkpkfe4=
+github.com/go-openapi/swag/conv v0.25.4/go.mod h1:3LXfie/lwoAv0NHoEuY1hjoFAYkvlqI/Bn5EQDD3PPU=
+github.com/go-openapi/swag/jsonname v0.25.4 h1:bZH0+MsS03MbnwBXYhuTttMOqk+5KcQ9869Vye1bNHI=
+github.com/go-openapi/swag/jsonname v0.25.4/go.mod h1:GPVEk9CWVhNvWhZgrnvRA6utbAltopbKwDu8mXNUMag=
+github.com/go-openapi/swag/jsonutils v0.25.4 h1:VSchfbGhD4UTf4vCdR2F4TLBdLwHyUDTd1/q4i+jGZA=
+github.com/go-openapi/swag/jsonutils v0.25.4/go.mod h1:7OYGXpvVFPn4PpaSdPHJBtF0iGnbEaTk8AvBkoWnaAY=
+github.com/go-openapi/swag/jsonutils/fixtures_test v0.25.4 h1:IACsSvBhiNJwlDix7wq39SS2Fh7lUOCJRmx/4SN4sVo=
+github.com/go-openapi/swag/jsonutils/fixtures_test v0.25.4/go.mod h1:Mt0Ost9l3cUzVv4OEZG+WSeoHwjWLnarzMePNDAOBiM=
+github.com/go-openapi/swag/loading v0.25.4 h1:jN4MvLj0X6yhCDduRsxDDw1aHe+ZWoLjW+9ZQWIKn2s=
+github.com/go-openapi/swag/loading v0.25.4/go.mod h1:rpUM1ZiyEP9+mNLIQUdMiD7dCETXvkkC30z53i+ftTE=
+github.com/go-openapi/swag/stringutils v0.25.4 h1:O6dU1Rd8bej4HPA3/CLPciNBBDwZj9HiEpdVsb8B5A8=
+github.com/go-openapi/swag/stringutils v0.25.4/go.mod h1:GTsRvhJW5xM5gkgiFe0fV3PUlFm0dr8vki6/VSRaZK0=
+github.com/go-openapi/swag/typeutils v0.25.4 h1:1/fbZOUN472NTc39zpa+YGHn3jzHWhv42wAJSN91wRw=
+github.com/go-openapi/swag/typeutils v0.25.4/go.mod h1:Ou7g//Wx8tTLS9vG0UmzfCsjZjKhpjxayRKTHXf2pTE=
+github.com/go-openapi/swag/yamlutils v0.25.4 h1:6jdaeSItEUb7ioS9lFoCZ65Cne1/RZtPBZ9A56h92Sw=
+github.com/go-openapi/swag/yamlutils v0.25.4/go.mod h1:MNzq1ulQu+yd8Kl7wPOut/YHAAU/H6hL91fF+E2RFwc=
+github.com/go-openapi/testify/enable/yaml/v2 v2.0.2 h1:0+Y41Pz1NkbTHz8NngxTuAXxEodtNSI1WG1c/m5Akw4=
+github.com/go-openapi/testify/enable/yaml/v2 v2.0.2/go.mod h1:kme83333GCtJQHXQ8UKX3IBZu6z8T5Dvy5+CW3NLUUg=
+github.com/go-openapi/testify/v2 v2.0.2 h1:X999g3jeLcoY8qctY/c/Z8iBHTbwLz7R2WXd6Ub6wls=
+github.com/go-openapi/testify/v2 v2.0.2/go.mod h1:HCPmvFFnheKK2BuwSA0TbbdxJ3I16pjwMkYkP4Ywn54=
+github.com/go-pkgz/routegroup v1.6.0 h1:44XHZgF6JIIldRlv+zjg6SygULASmjifnfIQjwCT0e4=
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@@ -115,8 +121,8 @@ github.com/golang-sql/sqlexp v0.1.0/go.mod h1:J4ad9Vo8ZCWQ2GMrC4UCQy1JpCbwU9m3EO
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@@ -127,6 +133,8 @@ github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/z
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@@ -173,18 +181,16 @@ github.com/mdlayher/netlink v1.8.0/go.mod h1:UhgKXUlDQhzb09DrCl2GuRNEglHmhYoWAHi
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@@ -197,15 +203,17 @@ github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h
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@@ -262,18 +270,18 @@ golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOM
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@@ -291,10 +299,10 @@ golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
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-golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
-golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
-golang.org/x/oauth2 v0.31.0 h1:8Fq0yVZLh4j4YA47vHKFTa9Ew5XIrCP8LC6UeNZnLxo=
-golang.org/x/oauth2 v0.31.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
+golang.org/x/oauth2 v0.34.0 h1:hqK/t4AKgbqWkdkcAeI8XLmbK+4m4G5YeQRrmiotGlw=
+golang.org/x/oauth2 v0.34.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -302,8 +310,8 @@ golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
-golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -324,8 +332,8 @@ golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -354,16 +362,16 @@ golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
-golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
-golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
-golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
-golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
+golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
+golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb h1:whnFRlWMcXI9d+ZbWg+4sHnLp52d5yiIPUxMBSt4X9A=
 golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb/go.mod h1:rpwXGsirqLqN2L0JDJQlwOboGHmptD5ZD6T2VmcqhTw=
@@ -385,23 +393,25 @@ gorm.io/driver/mysql v1.6.0 h1:eNbLmNTpPpTOVZi8MMxCi2aaIm0ZpInbORNXDwyLGvg=
 gorm.io/driver/mysql v1.6.0/go.mod h1:D/oCC2GWK3M/dqoLxnOlaNKmXz8WNTfcS9y5ovaSqKo=
 gorm.io/driver/postgres v1.6.0 h1:2dxzU8xJ+ivvqTRph34QX+WrRaJlmfyPqXmoGVjMBa4=
 gorm.io/driver/postgres v1.6.0/go.mod h1:vUw0mrGgrTK+uPHEhAdV4sfFELrByKVGnaVRkXDhtWo=
-gorm.io/driver/sqlserver v1.6.1 h1:XWISFsu2I2pqd1KJhhTZNJMx1jNQ+zVL/Q8ovDcUjtY=
-gorm.io/driver/sqlserver v1.6.1/go.mod h1:VZeNn7hqX1aXoN5TPAFGWvxWG90xtA8erGn2gQmpc6U=
+gorm.io/driver/sqlserver v1.6.3 h1:UR+nWCuphPnq7UxnL57PSrlYjuvs+sf1N59GgFX7uAI=
+gorm.io/driver/sqlserver v1.6.3/go.mod h1:VZeNn7hqX1aXoN5TPAFGWvxWG90xtA8erGn2gQmpc6U=
 gorm.io/gorm v1.30.0/go.mod h1:8Z33v652h4//uMA76KjeDH8mJXPm1QNCYrMeatR0DOE=
-gorm.io/gorm v1.31.0 h1:0VlycGreVhK7RF/Bwt51Fk8v0xLiiiFdbGDPIZQ7mJY=
-gorm.io/gorm v1.31.0/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs=
-modernc.org/cc/v4 v4.26.5 h1:xM3bX7Mve6G8K8b+T11ReenJOT+BmVqQj0FY5T4+5Y4=
-modernc.org/cc/v4 v4.26.5/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
-modernc.org/ccgo/v4 v4.28.1 h1:wPKYn5EC/mYTqBO373jKjvX2n+3+aK7+sICCv4Fjy1A=
-modernc.org/ccgo/v4 v4.28.1/go.mod h1:uD+4RnfrVgE6ec9NGguUNdhqzNIeeomeXf6CL0GTE5Q=
+gorm.io/gorm v1.31.1 h1:7CA8FTFz/gRfgqgpeKIBcervUn3xSyPUmr6B2WXJ7kg=
+gorm.io/gorm v1.31.1/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs=
+modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=
+modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.30.1 h1:4r4U1J6Fhj98NKfSjnPUN7Ze2c6MnAdL0hWw6+LrJpc=
+modernc.org/ccgo/v4 v4.30.1/go.mod h1:bIOeI1JL54Utlxn+LwrFyjCx2n2RDiYEaJVSrgdrRfM=
 modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA=
 modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
 modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
 modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/gc/v3 v3.1.1 h1:k8T3gkXWY9sEiytKhcgyiZ2L0DTyCQ/nvX+LoCljoRE=
+modernc.org/gc/v3 v3.1.1/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
 modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
 modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
-modernc.org/libc v1.66.10 h1:yZkb3YeLx4oynyR+iUsXsybsX4Ubx7MQlSYEw4yj59A=
-modernc.org/libc v1.66.10/go.mod h1:8vGSEwvoUoltr4dlywvHqjtAqHBaw0j1jI7iFBTAr2I=
+modernc.org/libc v1.67.1 h1:bFaqOaa5/zbWYJo8aW0tXPX21hXsngG2M7mckCnFSVk=
+modernc.org/libc v1.67.1/go.mod h1:QvvnnJ5P7aitu0ReNpVIEyesuhmDLQ8kaEoyMjIFZJA=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
@@ -410,8 +420,8 @@ modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
 modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
 modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
-modernc.org/sqlite v1.39.0 h1:6bwu9Ooim0yVYA7IZn9demiQk/Ejp0BtTjBWFLymSeY=
-modernc.org/sqlite v1.39.0/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
+modernc.org/sqlite v1.40.1 h1:VfuXcxcUWWKRBuP8+BR9L7VnmusMgBNNnBYGEe9w/iY=
+modernc.org/sqlite v1.40.1/go.mod h1:9fjQZ0mB1LLP0GYrp39oOJXx/I2sxEnZtzCmEQIKvGE=
 modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
 modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=

internal/adapters/database.go

@@ -166,6 +166,9 @@ func NewDatabase(cfg config.DatabaseConfig) (*gorm.DB, error) {
 		if err != nil {
 			return nil, fmt.Errorf("failed to open sqlite database: %w", err)
 		}
+		if err := os.Chmod(cfg.DSN, 0600); err != nil {
+			return nil, fmt.Errorf("failed to set permissions on sqlite database: %w", err)
+		}
 		sqlDB, _ := gormDb.DB()
 		sqlDB.SetMaxOpenConns(1)
 	}

internal/adapters/wgcontroller/local.go

@@ -9,6 +9,7 @@ import (
 	"log/slog"
 	"os"
 	"os/exec"
+	"slices"
 	"strings"
 	"time"
 
@@ -84,8 +85,8 @@ func NewLocalController(cfg *config.Config) (*LocalController, error) {
 		wg: wg,
 		nl: nl,
 
-		shellCmd:              "bash", // we only support bash at the moment
-		resolvConfIfacePrefix: "tun.", // WireGuard interfaces have a tun. prefix in resolvconf
+		shellCmd:              "bash",                            // we only support bash at the moment
+		resolvConfIfacePrefix: cfg.Backend.LocalResolvconfPrefix, // WireGuard interfaces have a tun. prefix in resolvconf
 	}
 
 	return repo, nil
@@ -546,7 +547,11 @@ func (c LocalController) deletePeer(deviceId domain.InterfaceIdentifier, id doma
 
 // region wg-quick-related
 
-func (c LocalController) ExecuteInterfaceHook(id domain.InterfaceIdentifier, hookCmd string) error {
+func (c LocalController) ExecuteInterfaceHook(
+	_ context.Context,
+	id domain.InterfaceIdentifier,
+	hookCmd string,
+) error {
 	if hookCmd == "" {
 		return nil
 	}
@@ -560,7 +565,7 @@ func (c LocalController) ExecuteInterfaceHook(id domain.InterfaceIdentifier, hoo
 	return nil
 }
 
-func (c LocalController) SetDNS(id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error {
+func (c LocalController) SetDNS(_ context.Context, id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error {
 	if dnsStr == "" && dnsSearchStr == "" {
 		return nil
 	}
@@ -589,7 +594,7 @@ func (c LocalController) SetDNS(id domain.InterfaceIdentifier, dnsStr, dnsSearch
 	return nil
 }
 
-func (c LocalController) UnsetDNS(id domain.InterfaceIdentifier) error {
+func (c LocalController) UnsetDNS(_ context.Context, id domain.InterfaceIdentifier, _, _ string) error {
 	dnsCommand := "resolvconf -d %resPref%i -f"
 
 	err := c.exec(dnsCommand, id)
@@ -611,7 +616,7 @@ func (c LocalController) exec(command string, interfaceId domain.InterfaceIdenti
 	if len(stdin) > 0 {
 		b := &bytes.Buffer{}
 		for _, ln := range stdin {
-			if _, err := fmt.Fprint(b, ln); err != nil {
+			if _, err := fmt.Fprint(b, ln+"\n"); err != nil {
 				return err
 			}
 		}
@@ -619,6 +624,8 @@ func (c LocalController) exec(command string, interfaceId domain.InterfaceIdenti
 	}
 	out, err := cmd.CombinedOutput() // execute and wait for output
 	if err != nil {
+		slog.Warn("failed to executed shell command",
+			"command", commandWithInterfaceName, "stdin", stdin, "output", string(out), "error", err)
 		return fmt.Errorf("failed to exexute shell command %s: %w", commandWithInterfaceName, err)
 	}
 	slog.Debug("executed shell command",
@@ -631,49 +638,116 @@ func (c LocalController) exec(command string, interfaceId domain.InterfaceIdenti
 
 // region routing-related
 
-func (c LocalController) SyncRouteRules(_ context.Context, rules []domain.RouteRule) error {
-	// update fwmark rules
-	if err := c.setFwMarkRules(rules); err != nil {
-		return err
+// SetRoutes sets the routes for the given interface. If no routes are provided, the function is a no-op.
+func (c LocalController) SetRoutes(_ context.Context, info domain.RoutingTableInfo) error {
+	interfaceId := info.Interface.Identifier
+	slog.Debug("setting linux routes", "interface", interfaceId, "table", info.Table, "fwMark", info.FwMark,
+		"cidrs", info.AllowedIps)
+
+	link, err := c.nl.LinkByName(string(interfaceId))
+	if err != nil {
+		return fmt.Errorf("failed to find physical link for %s: %w", interfaceId, err)
 	}
 
-	// update main rule
-	if err := c.setMainRule(rules); err != nil {
-		return err
+	cidrsV4, cidrsV6 := domain.CidrsPerFamily(info.AllowedIps)
+	realTable, realFwMark, err := c.getOrCreateRoutingTableAndFwMark(link, info.Table, info.FwMark)
+	if err != nil {
+		return fmt.Errorf("failed to get or create routing table and fwmark for %s: %w", interfaceId, err)
+	}
+	wgDev, err := c.wg.Device(string(interfaceId))
+	if err != nil {
+		return fmt.Errorf("failed to get wg device for %s: %w", interfaceId, err)
+	}
+	currentFwMark := wgDev.FirewallMark
+	if int(realFwMark) != currentFwMark {
+		slog.Debug("updating fwmark for interface", "interface", interfaceId, "oldFwMark", currentFwMark,
+			"newFwMark", realFwMark, "oldTable", info.Table, "newTable", realTable)
+		if err := c.updateFwMarkOnInterface(interfaceId, int(realFwMark)); err != nil {
+			return fmt.Errorf("failed to update fwmark for interface %s to %d: %w", interfaceId, realFwMark, err)
+		}
 	}
 
-	// cleanup old main rules
-	if err := c.cleanupMainRule(rules); err != nil {
-		return err
+	if err := c.setRoutesForFamily(interfaceId, link, netlink.FAMILY_V4, realTable, realFwMark, cidrsV4); err != nil {
+		return fmt.Errorf("failed to set v4 routes: %w", err)
+	}
+	if err := c.setRoutesForFamily(interfaceId, link, netlink.FAMILY_V6, realTable, realFwMark, cidrsV6); err != nil {
+		return fmt.Errorf("failed to set v6 routes: %w", err)
 	}
 
 	return nil
 }
 
-func (c LocalController) setFwMarkRules(rules []domain.RouteRule) error {
-	for _, rule := range rules {
-		existingRules, err := c.nl.RuleList(int(rule.IpFamily))
+func (c LocalController) setRoutesForFamily(
+	interfaceId domain.InterfaceIdentifier,
+	link netlink.Link,
+	family int,
+	table int,
+	fwMark uint32,
+	cidrs []domain.Cidr,
+) error {
+	// first create or update the routes
+	for _, cidr := range cidrs {
+		err := c.nl.RouteReplace(&netlink.Route{
+			LinkIndex: link.Attrs().Index,
+			Dst:       cidr.IpNet(),
+			Table:     table,
+			Scope:     unix.RT_SCOPE_LINK,
+			Type:      unix.RTN_UNICAST,
+		})
 		if err != nil {
-			return fmt.Errorf("failed to get existing rules for family %s: %w", rule.IpFamily, err)
+			return fmt.Errorf("failed to add/update route %s on table %d for interface %s: %w",
+				cidr.String(), table, interfaceId, err)
 		}
+	}
 
-		ruleExists := false
-		for _, existingRule := range existingRules {
-			if rule.FwMark == existingRule.Mark && rule.Table == existingRule.Table {
-				ruleExists = true
-				break
+	// next remove old routes
+	rawRoutes, err := c.nl.RouteListFiltered(family, &netlink.Route{
+		LinkIndex: link.Attrs().Index,
+		Table:     unix.RT_TABLE_UNSPEC, // all tables
+		Scope:     unix.RT_SCOPE_LINK,
+		Type:      unix.RTN_UNICAST,
+	}, netlink.RT_FILTER_TABLE|netlink.RT_FILTER_TYPE|netlink.RT_FILTER_OIF)
+	if err != nil {
+		return fmt.Errorf("failed to fetch raw routes for interface %s and family-id %d: %w",
+			interfaceId, family, err)
+	}
+	for _, rawRoute := range rawRoutes {
+		if rawRoute.Dst == nil { // handle default route
+			var netlinkAddr domain.Cidr
+			if family == netlink.FAMILY_V4 {
+				netlinkAddr, _ = domain.CidrFromString("0.0.0.0/0")
+			} else {
+				netlinkAddr, _ = domain.CidrFromString("::/0")
 			}
+			rawRoute.Dst = netlinkAddr.IpNet()
 		}
 
-		if ruleExists {
-			continue // rule already exists, no need to recreate it
+		route := domain.CidrFromIpNet(*rawRoute.Dst)
+		if slices.Contains(cidrs, route) {
+			continue
 		}
 
-		// create a missing rule
+		if err := c.nl.RouteDel(&rawRoute); err != nil {
+			return fmt.Errorf("failed to remove deprecated route %s from interface %s: %w", route, interfaceId, err)
+		}
+	}
+
+	// next, update route rules for normal routes
+	if table == 0 {
+		return nil // no need to update route rules as we are using the default table
+	}
+	existingRules, err := c.nl.RuleList(family)
+	if err != nil {
+		return fmt.Errorf("failed to get existing rules for family-id %d: %w", family, err)
+	}
+	ruleExists := slices.ContainsFunc(existingRules, func(rule netlink.Rule) bool {
+		return rule.Mark == fwMark && rule.Table == table
+	})
+	if !ruleExists {
 		if err := c.nl.RuleAdd(&netlink.Rule{
-			Family:            int(rule.IpFamily),
-			Table:             rule.Table,
-			Mark:              rule.FwMark,
+			Family:            family,
+			Table:             table,
+			Mark:              fwMark,
 			Invert:            true,
 			SuppressIfgroup:   -1,
 			SuppressPrefixlen: -1,
@@ -682,15 +756,102 @@ func (c LocalController) setFwMarkRules(rules []domain.RouteRule) error {
 			Goto:              -1,
 			Flow:              -1,
 		}); err != nil {
-			return fmt.Errorf("failed to setup %s rule for fwmark %d and table %d: %w",
-				rule.IpFamily, rule.FwMark, rule.Table, err)
+			return fmt.Errorf("failed to setup rule for fwmark %d and table %d for family-id %d: %w",
+				fwMark, table, family, err)
 		}
 	}
+	mainRuleExists := slices.ContainsFunc(existingRules, func(rule netlink.Rule) bool {
+		return rule.SuppressPrefixlen == 0 && rule.Table == unix.RT_TABLE_MAIN
+	})
+	if !mainRuleExists && domain.ContainsDefaultRoute(cidrs) {
+		err = c.nl.RuleAdd(&netlink.Rule{
+			Family:            family,
+			Table:             unix.RT_TABLE_MAIN,
+			SuppressIfgroup:   -1,
+			SuppressPrefixlen: 0,
+			Priority:          c.getMainRulePriority(existingRules),
+			Mark:              0,
+			Mask:              nil,
+			Goto:              -1,
+			Flow:              -1,
+		})
+	}
+
+	// finally, clean up extra main rules - only one rule is allowed
+	existingRules, err = c.nl.RuleList(family)
+	if err != nil {
+		return fmt.Errorf("failed to get existing main rules for family-id %d: %w", family, err)
+	}
+	mainRuleCount := 0
+	for _, rule := range existingRules {
+		if rule.SuppressPrefixlen == 0 && rule.Table == unix.RT_TABLE_MAIN {
+			mainRuleCount++
+		}
+		if mainRuleCount > 1 {
+			if err := c.nl.RuleDel(&rule); err != nil {
+				return fmt.Errorf("failed to remove extra main rule for family-id %d: %w", family, err)
+			}
+		}
+	}
+
 	return nil
 }
 
+func (c LocalController) getOrCreateRoutingTableAndFwMark(
+	link netlink.Link,
+	tableIn int,
+	fwMarkIn uint32,
+) (
+	table int,
+	fwmark uint32,
+	err error,
+) {
+	table = tableIn
+	fwmark = fwMarkIn
+
+	if fwmark == 0 {
+		// generate a new (temporary) firewall mark based on the interface index
+		fwmark = uint32(c.cfg.Advanced.RouteTableOffset + link.Attrs().Index)
+	}
+	if table == 0 {
+		table = int(fwmark) // generate a new routing table base on interface index
+	}
+	return
+}
+
+func (c LocalController) updateFwMarkOnInterface(interfaceId domain.InterfaceIdentifier, fwMark int) error {
+	// apply the new fwmark to the wireguard interface
+	err := c.wg.ConfigureDevice(string(interfaceId), wgtypes.Config{
+		FirewallMark: &fwMark,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to update fwmark of interface %s to: %d: %w", interfaceId, fwMark, err)
+	}
+
+	return nil
+}
+
+func (c LocalController) getMainRulePriority(existingRules []netlink.Rule) int {
+	prio := c.cfg.Advanced.RulePrioOffset
+	for {
+		isFresh := true
+		for _, existingRule := range existingRules {
+			if existingRule.Priority == prio {
+				isFresh = false
+				break
+			}
+		}
+		if isFresh {
+			break
+		} else {
+			prio++
+		}
+	}
+	return prio
+}
+
 func (c LocalController) getRulePriority(existingRules []netlink.Rule) int {
-	prio := 32700 // linux main rule has a priority of 32766
+	prio := 32700 // linux main rule has a prio of 32766
 	for {
 		isFresh := true
 		for _, existingRule := range existingRules {
@@ -708,126 +869,145 @@ func (c LocalController) getRulePriority(existingRules []netlink.Rule) int {
 	return prio
 }
 
-func (c LocalController) setMainRule(rules []domain.RouteRule) error {
-	var family domain.IpFamily
-	shouldHaveMainRule := false
-	for _, rule := range rules {
-		family = rule.IpFamily
-		if rule.HasDefault == true {
-			shouldHaveMainRule = true
-			break
-		}
-	}
-	if !shouldHaveMainRule {
-		return nil
-	}
+// RemoveRoutes removes the routes for the given interface. If no routes are provided, the function is a no-op.
+func (c LocalController) RemoveRoutes(_ context.Context, info domain.RoutingTableInfo) error {
+	interfaceId := info.Interface.Identifier
+	slog.Debug("removing linux routes", "interface", interfaceId, "table", info.Table, "fwMark", info.FwMark,
+		"cidrs", info.AllowedIps)
 
-	existingRules, err := c.nl.RuleList(int(family))
+	wgDev, err := c.wg.Device(string(interfaceId))
 	if err != nil {
-		return fmt.Errorf("failed to get existing rules for family %s: %w", family, err)
+		slog.Debug("wg device already removed, route cleanup might be incomplete", "interface", interfaceId)
+		wgDev = nil
 	}
-
-	ruleExists := false
-	for _, existingRule := range existingRules {
-		if existingRule.Table == unix.RT_TABLE_MAIN && existingRule.SuppressPrefixlen == 0 {
-			ruleExists = true
-			break
-		}
-	}
-
-	if ruleExists {
-		return nil // rule already exists, skip re-creation
-	}
-
-	if err := c.nl.RuleAdd(&netlink.Rule{
-		Family:            int(family),
-		Table:             unix.RT_TABLE_MAIN,
-		SuppressIfgroup:   -1,
-		SuppressPrefixlen: 0,
-		Priority:          c.getMainRulePriority(existingRules),
-		Mark:              0,
-		Mask:              nil,
-		Goto:              -1,
-		Flow:              -1,
-	}); err != nil {
-		return fmt.Errorf("failed to setup rule for main table: %w", err)
-	}
-
-	return nil
-}
-
-func (c LocalController) getMainRulePriority(existingRules []netlink.Rule) int {
-	priority := c.cfg.Advanced.RulePrioOffset
-	for {
-		isFresh := true
-		for _, existingRule := range existingRules {
-			if existingRule.Priority == priority {
-				isFresh = false
-				break
-			}
-		}
-		if isFresh {
-			break
-		} else {
-			priority++
-		}
-	}
-	return priority
-}
-
-func (c LocalController) cleanupMainRule(rules []domain.RouteRule) error {
-	var family domain.IpFamily
-	for _, rule := range rules {
-		family = rule.IpFamily
-		break
-	}
-
-	existingRules, err := c.nl.RuleList(int(family))
+	link, err := c.nl.LinkByName(string(interfaceId))
 	if err != nil {
-		return fmt.Errorf("failed to get existing rules for family %s: %w", family, err)
+		slog.Debug("physical link already removed, route cleanup might be incomplete", "interface", interfaceId)
+		link = nil
 	}
 
-	shouldHaveMainRule := false
-	for _, rule := range rules {
-		if rule.HasDefault == true {
-			shouldHaveMainRule = true
-			break
+	fwMark := info.FwMark
+	if wgDev != nil && info.FwMark == 0 {
+		fwMark = uint32(wgDev.FirewallMark)
+	}
+	table := info.Table
+	if wgDev != nil && info.Table == 0 {
+		table = wgDev.FirewallMark // use the fwMark as table, this is the default behavior
+	}
+	linkIndex := -1
+	if link != nil {
+		linkIndex = link.Attrs().Index
+	}
+
+	cidrsV4, cidrsV6 := domain.CidrsPerFamily(info.AllowedIps)
+	realTable, realFwMark, err := c.getOrCreateRoutingTableAndFwMark(link, table, fwMark)
+	if err != nil {
+		return fmt.Errorf("failed to get or create routing table and fwmark for %s: %w", interfaceId, err)
+	}
+
+	if linkIndex > 0 {
+		err = c.removeRoutesForFamily(interfaceId, link, netlink.FAMILY_V4, realTable, realFwMark, cidrsV4)
+		if err != nil {
+			return fmt.Errorf("failed to remove v4 routes: %w", err)
+		}
+		err = c.removeRoutesForFamily(interfaceId, link, netlink.FAMILY_V6, realTable, realFwMark, cidrsV6)
+		if err != nil {
+			return fmt.Errorf("failed to remove v6 routes: %w", err)
 		}
 	}
 
-	mainRules := 0
-	for _, existingRule := range existingRules {
-		if existingRule.Table == unix.RT_TABLE_MAIN && existingRule.SuppressPrefixlen == 0 {
-			mainRules++
+	if table > 0 {
+		err = c.removeRouteRulesForTable(netlink.FAMILY_V4, realTable)
+		if err != nil {
+			return fmt.Errorf("failed to remove v4 route rules for %s: %w", interfaceId, err)
 		}
-	}
-
-	removalCount := 0
-	if mainRules > 1 {
-		removalCount = mainRules - 1 // we only want one single rule
-	}
-	if !shouldHaveMainRule {
-		removalCount = mainRules
-	}
-
-	for _, existingRule := range existingRules {
-		if existingRule.Table == unix.RT_TABLE_MAIN && existingRule.SuppressPrefixlen == 0 {
-			if removalCount > 0 {
-				existingRule.Family = int(family) // set family, somehow the RuleList method does not populate the family field
-				if err := c.nl.RuleDel(&existingRule); err != nil {
-					return fmt.Errorf("failed to delete main rule: %w", err)
-				}
-				removalCount--
-			}
+		err = c.removeRouteRulesForTable(netlink.FAMILY_V6, realTable)
+		if err != nil {
+			return fmt.Errorf("failed to remove v6 route rules for %s: %w", interfaceId, err)
 		}
 	}
 
 	return nil
 }
 
-func (c LocalController) DeleteRouteRules(_ context.Context, rules []domain.RouteRule) error {
-	// TODO implement me
-	panic("implement me")
+func (c LocalController) removeRoutesForFamily(
+	interfaceId domain.InterfaceIdentifier,
+	link netlink.Link,
+	family int,
+	table int,
+	fwMark uint32,
+	cidrs []domain.Cidr,
+) error {
+	// first remove all rules
+	existingRules, err := c.nl.RuleList(family)
+	if err != nil {
+		return fmt.Errorf("failed to get existing rules for family %d: %w", family, err)
+	}
+	for _, existingRule := range existingRules {
+		if fwMark == existingRule.Mark && table == existingRule.Table {
+			existingRule.Family = family // set family, somehow the RuleList method does not populate the family field
+			if err := c.nl.RuleDel(&existingRule); err != nil {
+				return fmt.Errorf("failed to delete old fwmark rule: %w", err)
+			}
+		}
+	}
+
+	// next remove all routes
+	rawRoutes, err := c.nl.RouteListFiltered(family, &netlink.Route{
+		LinkIndex: link.Attrs().Index,
+		Table:     unix.RT_TABLE_UNSPEC, // all tables
+		Scope:     unix.RT_SCOPE_LINK,
+		Type:      unix.RTN_UNICAST,
+	}, netlink.RT_FILTER_TABLE|netlink.RT_FILTER_TYPE|netlink.RT_FILTER_OIF)
+	if err != nil {
+		return fmt.Errorf("failed to fetch raw routes for interface %s and family-id %d: %w",
+			interfaceId, family, err)
+	}
+	for _, rawRoute := range rawRoutes {
+		if rawRoute.Dst == nil { // handle default route
+			var netlinkAddr domain.Cidr
+			if family == netlink.FAMILY_V4 {
+				netlinkAddr, _ = domain.CidrFromString("0.0.0.0/0")
+			} else {
+				netlinkAddr, _ = domain.CidrFromString("::/0")
+			}
+			rawRoute.Dst = netlinkAddr.IpNet()
+		}
+
+		if rawRoute.Table != table {
+			continue // ignore routes from other tables
+		}
+
+		route := domain.CidrFromIpNet(*rawRoute.Dst)
+		if !slices.Contains(cidrs, route) {
+			continue // only remove routes that were previously added
+		}
+
+		if err := c.nl.RouteDel(&rawRoute); err != nil {
+			return fmt.Errorf("failed to remove old route %s from interface %s: %w", route, interfaceId, err)
+		}
+	}
+
+	return nil
+}
+
+func (c LocalController) removeRouteRulesForTable(
+	family int,
+	table int,
+) error {
+	existingRules, err := c.nl.RuleList(family)
+	if err != nil {
+		return fmt.Errorf("failed to get existing route rules for family-id %d: %w", family, err)
+	}
+	for _, existingRule := range existingRules {
+		if existingRule.Table == table {
+			err := c.nl.RuleDel(&existingRule)
+			if err != nil {
+				return fmt.Errorf("failed to delete old rule for table %d and family-id %d: %w", table, family, err)
+			}
+		}
+	}
+	return nil
 }
 
 // endregion routing-related

internal/adapters/wgcontroller/mikrotik.go

@@ -15,6 +15,9 @@ import (
 	"github.com/h44z/wg-portal/internal/lowlevel"
 )
 
+const MikrotikRouteDistance = 5
+const MikrotikDefaultRoutingTable = "main"
+
 type MikrotikController struct {
 	coreCfg *config.Config
 	cfg     *config.BackendMikrotik
@@ -22,8 +25,9 @@ type MikrotikController struct {
 	client *lowlevel.MikrotikApiClient
 
 	// Add mutexes to prevent race conditions
-	interfaceMutexes sync.Map // map[domain.InterfaceIdentifier]*sync.Mutex
-	peerMutexes      sync.Map // map[domain.PeerIdentifier]*sync.Mutex
+	interfaceMutexes sync.Map   // map[domain.InterfaceIdentifier]*sync.Mutex
+	peerMutexes      sync.Map   // map[domain.PeerIdentifier]*sync.Mutex
+	coreMutex        sync.Mutex // for updating the core configuration such as routing table or DNS settings
 }
 
 func NewMikrotikController(coreCfg *config.Config, cfg *config.BackendMikrotik) (*MikrotikController, error) {
@@ -40,6 +44,7 @@ func NewMikrotikController(coreCfg *config.Config, cfg *config.BackendMikrotik)
 
 		interfaceMutexes: sync.Map{},
 		peerMutexes:      sync.Map{},
+		coreMutex:        sync.Mutex{},
 	}, nil
 }
 
@@ -763,33 +768,404 @@ func (c *MikrotikController) DeletePeer(
 
 // region wg-quick-related
 
-func (c *MikrotikController) ExecuteInterfaceHook(id domain.InterfaceIdentifier, hookCmd string) error {
+func (c *MikrotikController) ExecuteInterfaceHook(
+	_ context.Context,
+	_ domain.InterfaceIdentifier,
+	_ string,
+) error {
 	// TODO implement me
-	panic("implement me")
+	slog.Error("interface hooks are not yet supported for Mikrotik backends, please open an issue on GitHub")
+	return nil
 }
 
-func (c *MikrotikController) SetDNS(id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error {
-	// TODO implement me
-	panic("implement me")
+func (c *MikrotikController) SetDNS(
+	ctx context.Context,
+	_ domain.InterfaceIdentifier,
+	dnsStr, _ string,
+) error {
+	// Lock the interface to prevent concurrent modifications
+	c.coreMutex.Lock()
+	defer c.coreMutex.Unlock()
+
+	// check if the server is already configured
+	wgReply := c.client.Get(ctx, "/ip/dns", &lowlevel.MikrotikRequestOptions{
+		PropList: []string{"servers"},
+	})
+	if wgReply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("unable to find WireGuard dns settings: %v", wgReply.Error)
+	}
+
+	var existingServers []string
+	existingServers = append(existingServers, strings.Split(wgReply.Data.GetString("servers"), ",")...)
+
+	newServers := strings.Split(dnsStr, ",")
+
+	mergedServers := slices.Clone(existingServers)
+	for _, s := range newServers {
+		if s == "" {
+			continue
+		}
+		if !slices.Contains(mergedServers, s) {
+			mergedServers = append(mergedServers, s)
+		}
+	}
+	mergedServersStr := strings.Join(mergedServers, ",")
+
+	reply := c.client.ExecList(ctx, "/ip/dns/set", lowlevel.GenericJsonObject{
+		"servers": mergedServersStr,
+	})
+	if reply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("failed to set DNS servers: %s: %v", mergedServersStr, reply.Error)
+	}
+
+	return nil
 }
 
-func (c *MikrotikController) UnsetDNS(id domain.InterfaceIdentifier) error {
-	// TODO implement me
-	panic("implement me")
+func (c *MikrotikController) UnsetDNS(
+	ctx context.Context,
+	_ domain.InterfaceIdentifier,
+	dnsStr, _ string,
+) error {
+	// Lock the interface to prevent concurrent modifications
+	c.coreMutex.Lock()
+	defer c.coreMutex.Unlock()
+
+	// retrieve current DNS settings
+	wgReply := c.client.Get(ctx, "/ip/dns", &lowlevel.MikrotikRequestOptions{
+		PropList: []string{"servers"},
+	})
+	if wgReply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("unable to find WireGuard dns settings: %v", wgReply.Error)
+	}
+
+	var existingServers []string
+	existingServers = append(existingServers, strings.Split(wgReply.Data.GetString("servers"), ",")...)
+
+	oldServers := strings.Split(dnsStr, ",")
+
+	mergedServers := make([]string, 0, len(existingServers))
+	for _, s := range existingServers {
+		if s == "" {
+			continue
+		}
+		if !slices.Contains(oldServers, s) {
+			mergedServers = append(mergedServers, s) // only keep the servers that are not in the old list
+		}
+	}
+	mergedServersStr := strings.Join(mergedServers, ",")
+
+	reply := c.client.ExecList(ctx, "/ip/dns/set", lowlevel.GenericJsonObject{
+		"servers": mergedServersStr,
+	})
+	if reply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("failed to set DNS servers: %s: %v", mergedServersStr, reply.Error)
+	}
+
+	return nil
 }
 
 // endregion wg-quick-related
 
 // region routing-related
 
-func (c *MikrotikController) SyncRouteRules(_ context.Context, rules []domain.RouteRule) error {
-	// TODO implement me
-	panic("implement me")
+// SetRoutes sets the routes for the given interface. If no routes are provided, the function is a no-op.
+func (c *MikrotikController) SetRoutes(ctx context.Context, info domain.RoutingTableInfo) error {
+	interfaceId := info.Interface.Identifier
+	slog.Debug("setting mikrotik routes", "interface", interfaceId, "table", info.TableStr, "cidrs", info.AllowedIps)
+
+	// Mikrotik needs some time to apply the changes.
+	// If we don't wait, the routes might get created multiple times as the dynamic routes are not yet available.
+	time.Sleep(2 * time.Second)
+
+	tableName, err := c.getOrCreateRoutingTables(ctx, info.Interface.Identifier, info.TableStr)
+	if err != nil {
+		return fmt.Errorf("failed to get or create routing table for %s: %v", interfaceId, err)
+	}
+
+	cidrsV4, cidrsV6 := domain.CidrsPerFamily(info.AllowedIps)
+
+	err = c.setRoutesForFamily(ctx, interfaceId, false, tableName, cidrsV4)
+	if err != nil {
+		return fmt.Errorf("failed to set IPv4 routes for %s: %v", interfaceId, err)
+	}
+
+	err = c.setRoutesForFamily(ctx, interfaceId, true, tableName, cidrsV6)
+	if err != nil {
+		return fmt.Errorf("failed to set IPv6 routes for %s: %v", interfaceId, err)
+	}
+
+	return nil
 }
 
-func (c *MikrotikController) DeleteRouteRules(_ context.Context, rules []domain.RouteRule) error {
-	// TODO implement me
-	panic("implement me")
+func (c *MikrotikController) resolveRouteTableName(name string) string {
+	name = strings.TrimSpace(name)
+
+	var mikrotikTableName string
+	switch strings.ToLower(name) {
+	case "", "0":
+		mikrotikTableName = MikrotikDefaultRoutingTable
+	case MikrotikDefaultRoutingTable:
+		return fmt.Sprintf("wgportal-%s",
+			MikrotikDefaultRoutingTable) // if the Mikrotik Main table should be used, the table-name should be left empty or set to "0".
+	default:
+		mikrotikTableName = name
+	}
+
+	return mikrotikTableName
+}
+
+func (c *MikrotikController) getOrCreateRoutingTables(
+	ctx context.Context,
+	interfaceId domain.InterfaceIdentifier,
+	table string,
+) (string, error) {
+	// retrieve current routing tables
+	wgReply := c.client.Query(ctx, "/routing/table", &lowlevel.MikrotikRequestOptions{
+		PropList: []string{
+			".id", "dynamic", "fib", "name",
+		},
+	})
+	if wgReply.Status != lowlevel.MikrotikApiStatusOk {
+		return "", fmt.Errorf("unable to query routing tables: %v", wgReply.Error)
+	}
+
+	wantedTableName := c.resolveRouteTableName(table)
+
+	// check if the table already exists
+	for _, table := range wgReply.Data {
+		if table.GetString("name") == wantedTableName {
+			return wantedTableName, nil // already exists, nothing to do
+		}
+	}
+
+	// create the table if it does not exist
+	createReply := c.client.Create(ctx, "/routing/table", lowlevel.GenericJsonObject{
+		"name":    wantedTableName,
+		"comment": fmt.Sprintf("Routing Table for %s", interfaceId),
+		"fib":     strconv.FormatBool(true),
+	})
+	if createReply.Status != lowlevel.MikrotikApiStatusOk {
+		return "", fmt.Errorf("failed to create routing table %s: %v", wantedTableName, createReply.Error)
+	}
+
+	return wantedTableName, nil
+}
+
+func (c *MikrotikController) setRoutesForFamily(
+	ctx context.Context,
+	interfaceId domain.InterfaceIdentifier,
+	ipV6 bool,
+	table string,
+	cidrs []domain.Cidr,
+) error {
+	apiPath := "/ip/route"
+	if ipV6 {
+		apiPath = "/ipv6/route"
+	}
+
+	// retrieve current routes
+	wgReply := c.client.Query(ctx, apiPath, &lowlevel.MikrotikRequestOptions{
+		PropList: []string{
+			".id", "disabled", "inactive", "distance", "dst-address", "dynamic", "gateway", "immediate-gw",
+			"routing-table", "scope", "target-scope", "client-dns", "comment", "disabled", "responder",
+		},
+		Filters: map[string]string{
+			"gateway": string(interfaceId),
+		},
+	})
+	if wgReply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("unable to find WireGuard IP route settings (v6=%t): %v", ipV6, wgReply.Error)
+	}
+
+	// first create or update the routes
+	for _, cidr := range cidrs {
+		// check if the route already exists
+		exists := false
+		for _, route := range wgReply.Data {
+			existingRoute, err := domain.CidrFromString(route.GetString("dst-address"))
+			if err != nil {
+				slog.Warn("failed to parse route destination address",
+					"cidr", route.GetString("dst-address"), "error", err)
+				continue
+			}
+			if existingRoute.EqualPrefix(cidr) && route.GetString("routing-table") == table {
+				exists = true
+				break
+			}
+		}
+		if exists {
+			continue // route already exists, nothing to do
+		}
+
+		// create the route
+		reply := c.client.Create(ctx, apiPath, lowlevel.GenericJsonObject{
+			"gateway":       string(interfaceId),
+			"dst-address":   cidr.String(),
+			"distance":      strconv.Itoa(MikrotikRouteDistance),
+			"disabled":      strconv.FormatBool(false),
+			"routing-table": table,
+		})
+		if reply.Status != lowlevel.MikrotikApiStatusOk {
+			return fmt.Errorf("failed to create new route %s via %s: %v", cidr.String(), interfaceId, reply.Error)
+		}
+	}
+
+	// finally, remove the routes that are not in the new list
+	for _, route := range wgReply.Data {
+		if route.GetBool("dynamic") {
+			continue // dynamic routes are not managed by the controller, nothing to do
+		}
+
+		existingRoute, err := domain.CidrFromString(route.GetString("dst-address"))
+		if err != nil {
+			slog.Warn("failed to parse route destination address",
+				"cidr", route.GetString("dst-address"), "error", err)
+			continue
+		}
+
+		valid := false
+		for _, cidr := range cidrs {
+			if existingRoute.EqualPrefix(cidr) {
+				valid = true
+				break
+			}
+		}
+		if valid {
+			continue // route is still valid, nothing to do
+		}
+
+		// remove the route
+		reply := c.client.Delete(ctx, apiPath+"/"+route.GetString(".id"))
+		if reply.Status != lowlevel.MikrotikApiStatusOk {
+			return fmt.Errorf("failed to remove outdated route %s: %v", existingRoute.String(), reply.Error)
+		}
+	}
+
+	return nil
+}
+
+// RemoveRoutes removes the routes for the given interface. If no routes are provided, the function is a no-op.
+func (c *MikrotikController) RemoveRoutes(ctx context.Context, info domain.RoutingTableInfo) error {
+	interfaceId := info.Interface.Identifier
+	slog.Debug("removing mikrotik routes", "interface", interfaceId, "table", info.TableStr, "cidrs", info.AllowedIps)
+
+	tableName := c.resolveRouteTableName(info.TableStr)
+
+	cidrsV4, cidrsV6 := domain.CidrsPerFamily(info.AllowedIps)
+
+	err := c.removeRoutesForFamily(ctx, interfaceId, false, tableName, cidrsV4)
+	if err != nil {
+		return fmt.Errorf("failed to remove IPv4 routes for %s: %v", interfaceId, err)
+	}
+
+	err = c.removeRoutesForFamily(ctx, interfaceId, true, tableName, cidrsV6)
+	if err != nil {
+		return fmt.Errorf("failed to remove IPv6 routes for %s: %v", interfaceId, err)
+	}
+
+	err = c.removeRoutingTable(ctx, tableName)
+	if err != nil {
+		return fmt.Errorf("failed to remove routing table for %s: %v", interfaceId, err)
+	}
+
+	return nil
+}
+
+func (c *MikrotikController) removeRoutesForFamily(
+	ctx context.Context,
+	interfaceId domain.InterfaceIdentifier,
+	ipV6 bool,
+	table string,
+	cidrs []domain.Cidr,
+) error {
+	apiPath := "/ip/route"
+	if ipV6 {
+		apiPath = "/ipv6/route"
+	}
+
+	// retrieve current routes
+	wgReply := c.client.Query(ctx, apiPath, &lowlevel.MikrotikRequestOptions{
+		PropList: []string{
+			".id", "disabled", "inactive", "distance", "dst-address", "dynamic", "gateway", "immediate-gw",
+			"routing-table", "scope", "target-scope", "client-dns", "comment", "disabled", "responder",
+		},
+		Filters: map[string]string{
+			"gateway": string(interfaceId),
+		},
+	})
+	if wgReply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("unable to find WireGuard IP route settings (v6=%t): %v", ipV6, wgReply.Error)
+	}
+
+	// remove the routes from the list
+	for _, route := range wgReply.Data {
+		if route.GetBool("dynamic") {
+			continue // dynamic routes are not managed by the controller, nothing to do
+		}
+
+		existingRoute, err := domain.CidrFromString(route.GetString("dst-address"))
+		if err != nil {
+			slog.Warn("failed to parse route destination address",
+				"cidr", route.GetString("dst-address"), "error", err)
+			continue
+		}
+
+		remove := false
+		for _, cidr := range cidrs {
+			if existingRoute.EqualPrefix(cidr) && route.GetString("routing-table") == table {
+				remove = true
+				break
+			}
+		}
+		if !remove {
+			continue // route is still valid, nothing to do
+		}
+
+		// remove the route
+		reply := c.client.Delete(ctx, apiPath+"/"+route.GetString(".id"))
+		if reply.Status != lowlevel.MikrotikApiStatusOk {
+			return fmt.Errorf("failed to remove old route %s: %v", existingRoute.String(), reply.Error)
+		}
+	}
+
+	return nil
+}
+
+func (c *MikrotikController) removeRoutingTable(
+	ctx context.Context,
+	table string,
+) error {
+	if table == MikrotikDefaultRoutingTable {
+		return nil // we cannot remove the default table
+	}
+
+	// retrieve current routing tables
+	wgReply := c.client.Query(ctx, "/routing/table", &lowlevel.MikrotikRequestOptions{
+		PropList: []string{
+			".id", "dynamic", "fib", "name",
+		},
+	})
+	if wgReply.Status != lowlevel.MikrotikApiStatusOk {
+		return fmt.Errorf("unable to query routing tables: %v", wgReply.Error)
+	}
+
+	for _, existingTable := range wgReply.Data {
+		if existingTable.GetBool("dynamic") {
+			continue // dynamic tables are not managed by the controller, nothing to do
+		}
+		if existingTable.GetString("name") != table {
+			continue // not the table we want to remove
+		}
+
+		// remove the table
+		reply := c.client.Delete(ctx, "/routing/table/"+existingTable.GetString(".id"))
+		if reply.Status != lowlevel.MikrotikApiStatusOk {
+			return fmt.Errorf("failed to remove routing table %s: %v", table, reply.Error)
+		}
+		return nil
+	}
+
+	return nil
 }
 
 // endregion routing-related

internal/adapters/wgcontroller/pfsense.go

@@ -0,0 +1,979 @@
+package wgcontroller
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/h44z/wg-portal/internal/config"
+	"github.com/h44z/wg-portal/internal/domain"
+	"github.com/h44z/wg-portal/internal/lowlevel"
+)
+
+// PfsenseController implements the InterfaceController interface for pfSense firewalls.
+// It uses the pfSense REST API (https://pfrest.org/) to manage WireGuard interfaces and peers.
+// API endpoint paths and field names should be verified against the Swagger documentation:
+// https://pfrest.org/api-docs/
+
+type PfsenseController struct {
+	coreCfg *config.Config
+	cfg     *config.BackendPfsense
+
+	client *lowlevel.PfsenseApiClient
+
+	// Add mutexes to prevent race conditions
+	interfaceMutexes sync.Map   // map[domain.InterfaceIdentifier]*sync.Mutex
+	peerMutexes      sync.Map   // map[domain.PeerIdentifier]*sync.Mutex
+	coreMutex        sync.Mutex // for updating the core configuration such as routing table or DNS settings
+}
+
+func NewPfsenseController(coreCfg *config.Config, cfg *config.BackendPfsense) (*PfsenseController, error) {
+	client, err := lowlevel.NewPfsenseApiClient(coreCfg, cfg)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create pfSense API client: %w", err)
+	}
+
+	return &PfsenseController{
+		coreCfg: coreCfg,
+		cfg:     cfg,
+
+		client: client,
+
+		interfaceMutexes: sync.Map{},
+		peerMutexes:      sync.Map{},
+		coreMutex:        sync.Mutex{},
+	}, nil
+}
+
+func (c *PfsenseController) GetId() domain.InterfaceBackend {
+	return domain.InterfaceBackend(c.cfg.Id)
+}
+
+// getInterfaceMutex returns a mutex for the given interface to prevent concurrent modifications
+func (c *PfsenseController) getInterfaceMutex(id domain.InterfaceIdentifier) *sync.Mutex {
+	mutex, _ := c.interfaceMutexes.LoadOrStore(id, &sync.Mutex{})
+	return mutex.(*sync.Mutex)
+}
+
+// getPeerMutex returns a mutex for the given peer to prevent concurrent modifications
+func (c *PfsenseController) getPeerMutex(id domain.PeerIdentifier) *sync.Mutex {
+	mutex, _ := c.peerMutexes.LoadOrStore(id, &sync.Mutex{})
+	return mutex.(*sync.Mutex)
+}
+
+// region wireguard-related
+
+func (c *PfsenseController) GetInterfaces(ctx context.Context) ([]domain.PhysicalInterface, error) {
+	// Query WireGuard tunnels from pfSense API
+	// Using pfSense REST API v2 endpoints: GET /api/v2/vpn/wireguard/tunnels
+	// Field names should be verified against Swagger docs: https://pfrest.org/api-docs/
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/tunnels", &lowlevel.PfsenseRequestOptions{})
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return nil, fmt.Errorf("failed to query interfaces: %v", wgReply.Error)
+	}
+
+	// Parallelize loading of interface details to speed up overall latency.
+	// Use a bounded semaphore to avoid overloading the pfSense device.
+	maxConcurrent := c.cfg.GetConcurrency()
+	sem := make(chan struct{}, maxConcurrent)
+
+	interfaces := make([]domain.PhysicalInterface, 0, len(wgReply.Data))
+	var mu sync.Mutex
+	var wgWait sync.WaitGroup
+	var firstErr error
+	ctx2, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	for _, wgObj := range wgReply.Data {
+		wgWait.Add(1)
+		sem <- struct{}{} // block if more than maxConcurrent requests are processing
+		go func(wg lowlevel.GenericJsonObject) {
+			defer wgWait.Done()
+			defer func() { <-sem }() // read from the semaphore and make space for the next entry
+			if firstErr != nil {
+				return
+			}
+			pi, err := c.loadInterfaceData(ctx2, wg)
+			if err != nil {
+				mu.Lock()
+				if firstErr == nil {
+					firstErr = err
+					cancel()
+				}
+				mu.Unlock()
+				return
+			}
+			mu.Lock()
+			interfaces = append(interfaces, *pi)
+			mu.Unlock()
+		}(wgObj)
+	}
+
+	wgWait.Wait()
+	if firstErr != nil {
+		return nil, firstErr
+	}
+
+	return interfaces, nil
+}
+
+func (c *PfsenseController) GetInterface(ctx context.Context, id domain.InterfaceIdentifier) (
+	*domain.PhysicalInterface,
+	error,
+) {
+	// First, get the tunnel ID by querying by name
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/tunnels", &lowlevel.PfsenseRequestOptions{
+		Filters: map[string]string{
+			"name": string(id),
+		},
+	})
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return nil, fmt.Errorf("failed to query interface %s: %v", id, wgReply.Error)
+	}
+
+	if len(wgReply.Data) == 0 {
+		return nil, fmt.Errorf("interface %s not found", id)
+	}
+
+	tunnelId := wgReply.Data[0].GetString("id")
+	
+	// Query the specific tunnel endpoint to get full details including addresses
+	// Endpoint: GET /api/v2/vpn/wireguard/tunnel?id={id}
+	if tunnelId != "" {
+		tunnelReply := c.client.Get(ctx, "/api/v2/vpn/wireguard/tunnel", &lowlevel.PfsenseRequestOptions{
+			Filters: map[string]string{
+				"id": tunnelId,
+			},
+		})
+		if tunnelReply.Status == lowlevel.PfsenseApiStatusOk && tunnelReply.Data != nil {
+			// Use the detailed tunnel response which includes addresses
+			return c.loadInterfaceData(ctx, tunnelReply.Data)
+		}
+		// Fall back to list response if detail query fails
+		if c.cfg.Debug {
+			slog.Debug("failed to query detailed tunnel info, using list response", "interface", id, "tunnel_id", tunnelId)
+		}
+	}
+
+	return c.loadInterfaceData(ctx, wgReply.Data[0])
+}
+
+func (c *PfsenseController) loadInterfaceData(
+	ctx context.Context,
+	wireGuardObj lowlevel.GenericJsonObject,
+) (*domain.PhysicalInterface, error) {
+	deviceName := wireGuardObj.GetString("name")
+	deviceId := wireGuardObj.GetString("id")
+
+	// Extract addresses from the tunnel data
+	// The tunnel response may include an "addresses" array when queried via /tunnel?id={id}
+	addresses := c.extractAddresses(wireGuardObj, nil)
+
+	// If addresses weren't found in the tunnel object and we have a tunnel ID,
+	// query the specific tunnel endpoint to get full details including addresses
+	// Endpoint: GET /api/v2/vpn/wireguard/tunnel?id={id}
+	if len(addresses) == 0 && deviceId != "" {
+		tunnelReply := c.client.Get(ctx, "/api/v2/vpn/wireguard/tunnel", &lowlevel.PfsenseRequestOptions{
+			Filters: map[string]string{
+				"id": deviceId,
+			},
+		})
+		if tunnelReply.Status == lowlevel.PfsenseApiStatusOk && tunnelReply.Data != nil {
+			// Extract addresses from the detailed tunnel response
+			parsedAddrs := c.extractAddresses(tunnelReply.Data, nil)
+			if len(parsedAddrs) > 0 {
+				addresses = parsedAddrs
+				if c.cfg.Debug {
+					slog.Debug("loaded addresses from detailed tunnel query", "interface", deviceName, "count", len(addresses))
+				}
+			}
+		}
+	}
+
+	interfaceModel, err := c.convertWireGuardInterface(wireGuardObj, nil, addresses)
+	if err != nil {
+		return nil, fmt.Errorf("interface convert failed for %s: %w", deviceName, err)
+	}
+	return &interfaceModel, nil
+}
+
+func (c *PfsenseController) extractAddresses(
+	wgObj lowlevel.GenericJsonObject,
+	ifaceObj lowlevel.GenericJsonObject,
+) []domain.Cidr {
+	addresses := make([]domain.Cidr, 0)
+
+	// Try to get addresses from ifaceObj first
+	if ifaceObj != nil {
+		addrStr := ifaceObj.GetString("addresses")
+		if addrStr != "" {
+			// Addresses might be comma-separated or in an array
+			addrs, _ := domain.CidrsFromString(addrStr)
+			addresses = append(addresses, addrs...)
+		}
+	}
+
+	// Try to get addresses from wgObj - check if it's an array first
+	if len(addresses) == 0 {
+		if addressesValue, ok := wgObj["addresses"]; ok && addressesValue != nil {
+			if addressesArray, ok := addressesValue.([]any); ok {
+				// Parse addresses array (from /tunnel?id={id} response)
+				// Each object has "address" and "mask" fields
+				for _, addrItem := range addressesArray {
+					if addrObj, ok := addrItem.(map[string]any); ok {
+						address := ""
+						mask := 0
+						
+						// Extract address
+						if addrVal, ok := addrObj["address"]; ok {
+							if addrStr, ok := addrVal.(string); ok {
+								address = addrStr
+							} else {
+								address = fmt.Sprintf("%v", addrVal)
+							}
+						}
+						
+						// Extract mask
+						if maskVal, ok := addrObj["mask"]; ok {
+							if maskInt, ok := maskVal.(int); ok {
+								mask = maskInt
+							} else if maskFloat, ok := maskVal.(float64); ok {
+								mask = int(maskFloat)
+							} else if maskStr, ok := maskVal.(string); ok {
+								if maskInt, err := strconv.Atoi(maskStr); err == nil {
+									mask = maskInt
+								}
+							}
+						}
+						
+						// Convert to CIDR format
+						if address != "" && mask > 0 {
+							cidrStr := fmt.Sprintf("%s/%d", address, mask)
+							if cidr, err := domain.CidrFromString(cidrStr); err == nil {
+								addresses = append(addresses, cidr)
+							}
+						} else if address != "" {
+							// Try parsing as CIDR string directly
+							if cidr, err := domain.CidrFromString(address); err == nil {
+								addresses = append(addresses, cidr)
+							}
+						}
+					}
+				}
+			} else if addrStr, ok := addressesValue.(string); ok {
+				// Fallback: try parsing as comma-separated string
+				addrs, _ := domain.CidrsFromString(addrStr)
+				addresses = append(addresses, addrs...)
+			}
+		} else {
+			// Try as string field
+			addrStr := wgObj.GetString("addresses")
+			if addrStr != "" {
+				addrs, _ := domain.CidrsFromString(addrStr)
+				addresses = append(addresses, addrs...)
+			}
+		}
+	}
+
+	return addresses
+}
+
+// parseAddressArray parses an array of address objects from the pfSense API
+// Each object has "address" and "mask" fields (similar to allowedips structure)
+func (c *PfsenseController) parseAddressArray(addressArray []lowlevel.GenericJsonObject) []domain.Cidr {
+	addresses := make([]domain.Cidr, 0, len(addressArray))
+	
+	for _, addrObj := range addressArray {
+		address := addrObj.GetString("address")
+		mask := addrObj.GetInt("mask")
+		
+		if address != "" && mask > 0 {
+			cidrStr := fmt.Sprintf("%s/%d", address, mask)
+			if cidr, err := domain.CidrFromString(cidrStr); err == nil {
+				addresses = append(addresses, cidr)
+			}
+		} else if address != "" {
+			// Try parsing as CIDR string directly
+			if cidr, err := domain.CidrFromString(address); err == nil {
+				addresses = append(addresses, cidr)
+			}
+		}
+	}
+	
+	return addresses
+}
+
+func (c *PfsenseController) convertWireGuardInterface(
+	wg, iface lowlevel.GenericJsonObject,
+	addresses []domain.Cidr,
+) (
+	domain.PhysicalInterface,
+	error,
+) {
+	// Map pfSense field names to our domain model
+	// Field names should be verified against the Swagger UI: https://pfrest.org/api-docs/
+	// The implementation attempts to handle both camelCase and kebab-case variations
+	privateKey := wg.GetString("privatekey")
+	if privateKey == "" {
+		privateKey = wg.GetString("private-key")
+	}
+	publicKey := wg.GetString("publickey")
+	if publicKey == "" {
+		publicKey = wg.GetString("public-key")
+	}
+
+	listenPort := wg.GetInt("listenport")
+	if listenPort == 0 {
+		listenPort = wg.GetInt("listen-port")
+	}
+
+	mtu := wg.GetInt("mtu")
+	running := wg.GetBool("running")
+	disabled := wg.GetBool("disabled")
+
+	// TODO: Interface statistics (rx/tx bytes) are not currently supported
+	// by the pfSense REST API. This functionality is reserved for future implementation.
+	var rxBytes, txBytes uint64
+
+	pi := domain.PhysicalInterface{
+		Identifier: domain.InterfaceIdentifier(wg.GetString("name")),
+		KeyPair: domain.KeyPair{
+			PrivateKey: privateKey,
+			PublicKey:  publicKey,
+		},
+		ListenPort:    listenPort,
+		Addresses:     addresses,
+		Mtu:           mtu,
+		FirewallMark:  0,
+		DeviceUp:      running && !disabled,
+		ImportSource:  domain.ControllerTypePfsense,
+		DeviceType:    domain.ControllerTypePfsense,
+		BytesUpload:   txBytes,
+		BytesDownload: rxBytes,
+	}
+
+	// Extract description - pfSense API uses "descr" field
+	description := wg.GetString("descr")
+	if description == "" {
+		description = wg.GetString("description")
+	}
+	if description == "" {
+		description = wg.GetString("comment")
+	}
+
+	pi.SetExtras(domain.PfsenseInterfaceExtras{
+		Id:       wg.GetString("id"),
+		Comment:  description,
+		Disabled: disabled,
+	})
+
+	return pi, nil
+}
+
+func (c *PfsenseController) GetPeers(ctx context.Context, deviceId domain.InterfaceIdentifier) (
+	[]domain.PhysicalPeer,
+	error,
+) {
+	// Query all peers and filter by interface client-side
+	// Using pfSense REST API v2 endpoints (https://pfrest.org/)
+	// The API uses query parameters like ?id=0 for specific items, but we need to filter
+	// by interface (tun field), so we fetch all peers and filter client-side
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/peers", &lowlevel.PfsenseRequestOptions{})
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return nil, fmt.Errorf("failed to query peers for %s: %v", deviceId, wgReply.Error)
+	}
+
+	if len(wgReply.Data) == 0 {
+		return nil, nil
+	}
+
+	// Filter peers client-side by checking the "tun" field in each peer
+	// pfSense peer responses use "tun" field to indicate which tunnel/interface the peer belongs to
+	peers := make([]domain.PhysicalPeer, 0, len(wgReply.Data))
+	for _, peer := range wgReply.Data {
+		// Check if this peer belongs to the requested interface
+		// pfSense uses "tun" field with the interface name (e.g., "tun_wg0")
+		peerTun := peer.GetString("tun")
+		if peerTun == "" {
+			// Try alternative field names as fallback
+			peerTun = peer.GetString("interface")
+			if peerTun == "" {
+				peerTun = peer.GetString("tunnel")
+			}
+		}
+		
+		// Only include peers that match the requested interface name
+		if peerTun != string(deviceId) {
+			if c.cfg.Debug {
+				slog.Debug("skipping peer - interface mismatch",
+					"peer", peer.GetString("name"),
+					"peer_tun", peerTun,
+					"requested_interface", deviceId,
+					"peer_id", peer.GetString("id"))
+			}
+			continue
+		}
+
+		// Use peer data directly from the list response
+		peerModel, err := c.convertWireGuardPeer(peer)
+		if err != nil {
+			return nil, fmt.Errorf("peer convert failed for %v: %w", peer.GetString("name"), err)
+		}
+		peers = append(peers, peerModel)
+	}
+	
+	if c.cfg.Debug {
+		slog.Debug("filtered peers for interface",
+			"interface", deviceId,
+			"total_peers_from_api", len(wgReply.Data),
+			"filtered_peers", len(peers))
+	}
+
+	return peers, nil
+}
+
+func (c *PfsenseController) convertWireGuardPeer(peer lowlevel.GenericJsonObject) (
+	domain.PhysicalPeer,
+	error,
+) {
+	publicKey := peer.GetString("publickey")
+	if publicKey == "" {
+		publicKey = peer.GetString("public-key")
+	}
+
+	privateKey := peer.GetString("privatekey")
+	if privateKey == "" {
+		privateKey = peer.GetString("private-key")
+	}
+
+	presharedKey := peer.GetString("presharedkey")
+	if presharedKey == "" {
+		presharedKey = peer.GetString("preshared-key")
+	}
+
+	// pfSense returns allowedips as an array of objects with "address" and "mask" fields
+	// Example: [{"address": "10.1.2.3", "mask": 32, ...}, ...]
+	var allowedAddresses []domain.Cidr
+	if allowedIPsValue, ok := peer["allowedips"]; ok {
+		if allowedIPsArray, ok := allowedIPsValue.([]any); ok {
+			// Parse array of objects
+			for _, item := range allowedIPsArray {
+				if itemObj, ok := item.(map[string]any); ok {
+					address := ""
+					mask := 0
+					
+					// Extract address
+					if addrVal, ok := itemObj["address"]; ok {
+						if addrStr, ok := addrVal.(string); ok {
+							address = addrStr
+						} else {
+							address = fmt.Sprintf("%v", addrVal)
+						}
+					}
+					
+					// Extract mask
+					if maskVal, ok := itemObj["mask"]; ok {
+						if maskInt, ok := maskVal.(int); ok {
+							mask = maskInt
+						} else if maskFloat, ok := maskVal.(float64); ok {
+							mask = int(maskFloat)
+						} else if maskStr, ok := maskVal.(string); ok {
+							if maskInt, err := strconv.Atoi(maskStr); err == nil {
+								mask = maskInt
+							}
+						}
+					}
+					
+					// Convert to CIDR format (e.g., "10.1.2.3/32")
+					if address != "" && mask > 0 {
+						cidrStr := fmt.Sprintf("%s/%d", address, mask)
+						if cidr, err := domain.CidrFromString(cidrStr); err == nil {
+							allowedAddresses = append(allowedAddresses, cidr)
+						}
+					}
+				}
+			}
+		} else if allowedIPsStr, ok := allowedIPsValue.(string); ok {
+			// Fallback: try parsing as comma-separated string
+			allowedAddresses, _ = domain.CidrsFromString(allowedIPsStr)
+		}
+	}
+	
+	// Fallback to string parsing if array parsing didn't work
+	if len(allowedAddresses) == 0 {
+		allowedIPsStr := peer.GetString("allowedips")
+		if allowedIPsStr == "" {
+			allowedIPsStr = peer.GetString("allowed-ips")
+		}
+		if allowedIPsStr != "" {
+			allowedAddresses, _ = domain.CidrsFromString(allowedIPsStr)
+		}
+	}
+
+	endpoint := peer.GetString("endpoint")
+	port := peer.GetString("port")
+	
+	// Combine endpoint and port if both are available
+	if endpoint != "" && port != "" {
+		// Check if endpoint already contains a port
+		if !strings.Contains(endpoint, ":") {
+			endpoint = fmt.Sprintf("%s:%s", endpoint, port)
+		}
+	} else if endpoint == "" && port != "" {
+		// If only port is available, we can't construct a full endpoint
+		// This might be used with the interface's listenport
+	}
+
+	keepAliveSeconds := 0
+	keepAliveStr := peer.GetString("persistentkeepalive")
+	if keepAliveStr == "" {
+		keepAliveStr = peer.GetString("persistent-keepalive")
+	}
+	if keepAliveStr != "" {
+		duration, err := time.ParseDuration(keepAliveStr)
+		if err == nil {
+			keepAliveSeconds = int(duration.Seconds())
+		} else {
+			// Try parsing as integer (seconds)
+			if secs, err := strconv.Atoi(keepAliveStr); err == nil {
+				keepAliveSeconds = secs
+			}
+		}
+	}
+
+	// TODO: Peer statistics (last handshake, rx/tx bytes) are not currently supported
+	// by the pfSense REST API. This functionality is reserved for future implementation
+	// when the API adds support for these fields.
+	// See: https://github.com/jaredhendrickson13/pfsense-api/issues (issue opened by user)
+	//
+	// When supported, extract fields like:
+	// - lastHandshake: peer.GetString("lasthandshake") or peer.GetString("last-handshake")
+	// - rxBytes: peer.GetInt("rxbytes") or peer.GetInt("rx-bytes")
+	// - txBytes: peer.GetInt("txbytes") or peer.GetInt("tx-bytes")
+	lastHandshakeTime := time.Time{}
+	rxBytes := uint64(0)
+	txBytes := uint64(0)
+
+	peerModel := domain.PhysicalPeer{
+		Identifier: domain.PeerIdentifier(publicKey),
+		Endpoint:   endpoint,
+		AllowedIPs: allowedAddresses,
+		KeyPair: domain.KeyPair{
+			PublicKey:  publicKey,
+			PrivateKey: privateKey,
+		},
+		PresharedKey:        domain.PreSharedKey(presharedKey),
+		PersistentKeepalive: keepAliveSeconds,
+		LastHandshake:       lastHandshakeTime,
+		ProtocolVersion:     0, // pfSense may not expose protocol version
+		BytesUpload:         txBytes,
+		BytesDownload:       rxBytes,
+		ImportSource:        domain.ControllerTypePfsense,
+	}
+
+	// Extract description/name - pfSense API uses "descr" field
+	description := peer.GetString("descr")
+	if description == "" {
+		description = peer.GetString("description")
+	}
+	if description == "" {
+		description = peer.GetString("comment")
+	}
+
+	// Extract name - pfSense API may use "name" or "descr"
+	name := peer.GetString("name")
+	if name == "" {
+		name = peer.GetString("descr")
+	}
+	if name == "" {
+		name = description // fallback to description if name is not available
+	}
+
+	peerModel.SetExtras(domain.PfsensePeerExtras{
+		Id:              peer.GetString("id"),
+		Name:            name,
+		Comment:         description,
+		Disabled:        peer.GetBool("disabled"),
+		ClientEndpoint:  "", // pfSense may handle this differently
+		ClientAddress:   "", // pfSense may handle this differently
+		ClientDns:       "", // pfSense may handle this differently
+		ClientKeepalive: 0,  // pfSense may handle this differently
+	})
+
+	return peerModel, nil
+}
+
+func (c *PfsenseController) SaveInterface(
+	ctx context.Context,
+	id domain.InterfaceIdentifier,
+	updateFunc func(pi *domain.PhysicalInterface) (*domain.PhysicalInterface, error),
+) error {
+	// Lock the interface to prevent concurrent modifications
+	mutex := c.getInterfaceMutex(id)
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	physicalInterface, err := c.getOrCreateInterface(ctx, id)
+	if err != nil {
+		return err
+	}
+
+	deviceId := ""
+	if physicalInterface.GetExtras() != nil {
+		if extras, ok := physicalInterface.GetExtras().(domain.PfsenseInterfaceExtras); ok {
+			deviceId = extras.Id
+		}
+	}
+
+	if updateFunc != nil {
+		physicalInterface, err = updateFunc(physicalInterface)
+		if err != nil {
+			return err
+		}
+		if deviceId != "" {
+			// Ensure the ID is preserved
+			if extras, ok := physicalInterface.GetExtras().(domain.PfsenseInterfaceExtras); ok {
+				extras.Id = deviceId
+				physicalInterface.SetExtras(extras)
+			}
+		}
+	}
+
+	if err := c.updateInterface(ctx, physicalInterface); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c *PfsenseController) getOrCreateInterface(
+	ctx context.Context,
+	id domain.InterfaceIdentifier,
+) (*domain.PhysicalInterface, error) {
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/tunnels", &lowlevel.PfsenseRequestOptions{
+		Filters: map[string]string{
+			"name": string(id),
+		},
+	})
+	if wgReply.Status == lowlevel.PfsenseApiStatusOk && len(wgReply.Data) > 0 {
+		return c.loadInterfaceData(ctx, wgReply.Data[0])
+	}
+
+	// create a new tunnel if it does not exist
+	// Actual endpoint: POST /api/v2/vpn/wireguard/tunnel (singular)
+	createReply := c.client.Create(ctx, "/api/v2/vpn/wireguard/tunnel", lowlevel.GenericJsonObject{
+		"name": string(id),
+	})
+	if createReply.Status == lowlevel.PfsenseApiStatusOk {
+		return c.loadInterfaceData(ctx, createReply.Data)
+	}
+
+	return nil, fmt.Errorf("failed to create interface %s: %v", id, createReply.Error)
+}
+
+func (c *PfsenseController) updateInterface(ctx context.Context, pi *domain.PhysicalInterface) error {
+	extras := pi.GetExtras().(domain.PfsenseInterfaceExtras)
+	interfaceId := extras.Id
+
+	payload := lowlevel.GenericJsonObject{
+		"name":        string(pi.Identifier),
+		"description": extras.Comment,
+		"mtu":         strconv.Itoa(pi.Mtu),
+		"listenport":  strconv.Itoa(pi.ListenPort),
+		"privatekey":  pi.KeyPair.PrivateKey,
+		"disabled":    strconv.FormatBool(!pi.DeviceUp),
+	}
+
+	// Add addresses if present
+	if len(pi.Addresses) > 0 {
+		addresses := make([]string, 0, len(pi.Addresses))
+		for _, addr := range pi.Addresses {
+			addresses = append(addresses, addr.String())
+		}
+		payload["addresses"] = strings.Join(addresses, ",")
+	}
+
+	// Actual endpoint: PATCH /api/v2/vpn/wireguard/tunnel?id={id}
+	wgReply := c.client.Update(ctx, "/api/v2/vpn/wireguard/tunnel?id="+interfaceId, payload)
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return fmt.Errorf("failed to update interface %s: %v", pi.Identifier, wgReply.Error)
+	}
+
+	return nil
+}
+
+func (c *PfsenseController) DeleteInterface(ctx context.Context, id domain.InterfaceIdentifier) error {
+	// Lock the interface to prevent concurrent modifications
+	mutex := c.getInterfaceMutex(id)
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	// Find the tunnel ID
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/tunnels", &lowlevel.PfsenseRequestOptions{
+		Filters: map[string]string{
+			"name": string(id),
+		},
+	})
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return fmt.Errorf("unable to find WireGuard tunnel %s: %v", id, wgReply.Error)
+	}
+	if len(wgReply.Data) == 0 {
+		return nil // tunnel does not exist, nothing to delete
+	}
+
+	interfaceId := wgReply.Data[0].GetString("id")
+	// Actual endpoint: DELETE /api/v2/vpn/wireguard/tunnel?id={id}
+	deleteReply := c.client.Delete(ctx, "/api/v2/vpn/wireguard/tunnel?id="+interfaceId)
+	if deleteReply.Status != lowlevel.PfsenseApiStatusOk {
+		return fmt.Errorf("failed to delete WireGuard interface %s: %v", id, deleteReply.Error)
+	}
+
+	return nil
+}
+
+func (c *PfsenseController) SavePeer(
+	ctx context.Context,
+	deviceId domain.InterfaceIdentifier,
+	id domain.PeerIdentifier,
+	updateFunc func(pp *domain.PhysicalPeer) (*domain.PhysicalPeer, error),
+) error {
+	// Lock the peer to prevent concurrent modifications
+	mutex := c.getPeerMutex(id)
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	physicalPeer, err := c.getOrCreatePeer(ctx, deviceId, id)
+	if err != nil {
+		return err
+	}
+
+	peerId := ""
+	if physicalPeer.GetExtras() != nil {
+		if extras, ok := physicalPeer.GetExtras().(domain.PfsensePeerExtras); ok {
+			peerId = extras.Id
+		}
+	}
+
+	physicalPeer, err = updateFunc(physicalPeer)
+	if err != nil {
+		return err
+	}
+	if peerId != "" {
+		// Ensure the ID is preserved
+		if extras, ok := physicalPeer.GetExtras().(domain.PfsensePeerExtras); ok {
+			extras.Id = peerId
+			physicalPeer.SetExtras(extras)
+		}
+	}
+
+	if err := c.updatePeer(ctx, deviceId, physicalPeer); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c *PfsenseController) getOrCreatePeer(
+	ctx context.Context,
+	deviceId domain.InterfaceIdentifier,
+	id domain.PeerIdentifier,
+) (*domain.PhysicalPeer, error) {
+	// Query for peer by publickey and interface (tun field)
+	// The API uses query parameters like ?publickey=...&tun=...
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/peers", &lowlevel.PfsenseRequestOptions{
+		Filters: map[string]string{
+			"publickey": string(id),
+			"tun":        string(deviceId), // Use "tun" field name as that's what the API uses
+		},
+	})
+	if wgReply.Status == lowlevel.PfsenseApiStatusOk && len(wgReply.Data) > 0 {
+		slog.Debug("found existing pfSense peer", "peer", id, "interface", deviceId)
+		existingPeer, err := c.convertWireGuardPeer(wgReply.Data[0])
+		if err != nil {
+			return nil, err
+		}
+		return &existingPeer, nil
+	}
+
+	// create a new peer if it does not exist
+	// Actual endpoint: POST /api/v2/vpn/wireguard/peer (singular)
+	slog.Debug("creating new pfSense peer", "peer", id, "interface", deviceId)
+	createReply := c.client.Create(ctx, "/api/v2/vpn/wireguard/peer", lowlevel.GenericJsonObject{
+		"name":       fmt.Sprintf("wg-%s", id[0:8]),
+		"interface": string(deviceId),
+		"publickey": string(id),
+		"allowedips": "0.0.0.0/0", // Use 0.0.0.0/0 as default, will be updated by updatePeer
+	})
+	if createReply.Status == lowlevel.PfsenseApiStatusOk {
+		newPeer, err := c.convertWireGuardPeer(createReply.Data)
+		if err != nil {
+			return nil, err
+		}
+		slog.Debug("successfully created pfSense peer", "peer", id, "interface", deviceId)
+		return &newPeer, nil
+	}
+
+	return nil, fmt.Errorf("failed to create peer %s for interface %s: %v", id, deviceId, createReply.Error)
+}
+
+func (c *PfsenseController) updatePeer(
+	ctx context.Context,
+	deviceId domain.InterfaceIdentifier,
+	pp *domain.PhysicalPeer,
+) error {
+	extras := pp.GetExtras().(domain.PfsensePeerExtras)
+	peerId := extras.Id
+
+	allowedIPsStr := domain.CidrsToString(pp.AllowedIPs)
+
+	slog.Debug("updating pfSense peer",
+		"peer", pp.Identifier,
+		"interface", deviceId,
+		"allowed-ips", allowedIPsStr,
+		"allowed-ips-count", len(pp.AllowedIPs),
+		"disabled", extras.Disabled)
+
+	payload := lowlevel.GenericJsonObject{
+		"name":                 extras.Name,
+		"description":          extras.Comment,
+		"presharedkey":         string(pp.PresharedKey),
+		"publickey":            pp.KeyPair.PublicKey,
+		"privatekey":           pp.KeyPair.PrivateKey,
+		"persistentkeepalive":  strconv.Itoa(pp.PersistentKeepalive),
+		"disabled":             strconv.FormatBool(extras.Disabled),
+		"allowedips":           allowedIPsStr,
+	}
+
+	if pp.Endpoint != "" {
+		payload["endpoint"] = pp.Endpoint
+	}
+
+	// Actual endpoint: PATCH /api/v2/vpn/wireguard/peer?id={id}
+	wgReply := c.client.Update(ctx, "/api/v2/vpn/wireguard/peer?id="+peerId, payload)
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return fmt.Errorf("failed to update peer %s on interface %s: %v", pp.Identifier, deviceId, wgReply.Error)
+	}
+
+	if extras.Disabled {
+		slog.Debug("successfully disabled pfSense peer", "peer", pp.Identifier, "interface", deviceId)
+	} else {
+		slog.Debug("successfully updated pfSense peer", "peer", pp.Identifier, "interface", deviceId)
+	}
+
+	return nil
+}
+
+func (c *PfsenseController) DeletePeer(
+	ctx context.Context,
+	deviceId domain.InterfaceIdentifier,
+	id domain.PeerIdentifier,
+) error {
+	// Lock the peer to prevent concurrent modifications
+	mutex := c.getPeerMutex(id)
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	// Query for peer by publickey and interface (tun field)
+	// The API uses query parameters like ?publickey=...&tun=...
+	wgReply := c.client.Query(ctx, "/api/v2/vpn/wireguard/peers", &lowlevel.PfsenseRequestOptions{
+		Filters: map[string]string{
+			"publickey": string(id),
+			"tun":        string(deviceId), // Use "tun" field name as that's what the API uses
+		},
+	})
+	if wgReply.Status != lowlevel.PfsenseApiStatusOk {
+		return fmt.Errorf("unable to find WireGuard peer %s for interface %s: %v", id, deviceId, wgReply.Error)
+	}
+	if len(wgReply.Data) == 0 {
+		return nil // peer does not exist, nothing to delete
+	}
+
+	peerId := wgReply.Data[0].GetString("id")
+	// Actual endpoint: DELETE /api/v2/vpn/wireguard/peer?id={id}
+	deleteReply := c.client.Delete(ctx, "/api/v2/vpn/wireguard/peer?id="+peerId)
+	if deleteReply.Status != lowlevel.PfsenseApiStatusOk {
+		return fmt.Errorf("failed to delete WireGuard peer %s for interface %s: %v", id, deviceId, deleteReply.Error)
+	}
+
+	return nil
+}
+
+// endregion wireguard-related
+
+// region wg-quick-related
+
+func (c *PfsenseController) ExecuteInterfaceHook(
+	_ context.Context,
+	_ domain.InterfaceIdentifier,
+	_ string,
+) error {
+	// TODO implement me
+	slog.Error("interface hooks are not yet supported for pfSense backends, please open an issue on GitHub")
+	return nil
+}
+
+func (c *PfsenseController) SetDNS(
+	ctx context.Context,
+	_ domain.InterfaceIdentifier,
+	dnsStr, _ string,
+) error {
+	// Lock the interface to prevent concurrent modifications
+	c.coreMutex.Lock()
+	defer c.coreMutex.Unlock()
+
+	// pfSense DNS configuration is typically managed at the system level
+	// This may need to be implemented based on pfSense API capabilities
+	slog.Warn("DNS setting is not yet fully supported for pfSense backends")
+	return nil
+}
+
+func (c *PfsenseController) UnsetDNS(
+	ctx context.Context,
+	_ domain.InterfaceIdentifier,
+	dnsStr, _ string,
+) error {
+	// Lock the interface to prevent concurrent modifications
+	c.coreMutex.Lock()
+	defer c.coreMutex.Unlock()
+
+	// pfSense DNS configuration is typically managed at the system level
+	slog.Warn("DNS unsetting is not yet fully supported for pfSense backends")
+	return nil
+}
+
+// endregion wg-quick-related
+
+// region routing-related
+
+func (c *PfsenseController) SetRoutes(_ context.Context, info domain.RoutingTableInfo) error {
+	// pfSense routing is typically managed through the firewall rules and routing tables
+	// This may need to be implemented based on pfSense API capabilities
+	slog.Warn("route setting is not yet fully supported for pfSense backends")
+	return nil
+}
+
+func (c *PfsenseController) RemoveRoutes(_ context.Context, info domain.RoutingTableInfo) error {
+	// pfSense routing is typically managed through the firewall rules and routing tables
+	slog.Warn("route removal is not yet fully supported for pfSense backends")
+	return nil
+}
+
+// endregion routing-related
+
+// region statistics-related
+
+func (c *PfsenseController) PingAddresses(
+	ctx context.Context,
+	addr string,
+) (*domain.PingerResult, error) {
+	// Use pfSense API to ping if available, otherwise return error
+	// This may need to be implemented based on pfSense API capabilities
+	return nil, fmt.Errorf("ping functionality is not yet implemented for pfSense backends")
+}
+
+// endregion statistics-related
+

internal/adapters/wgquick.go

@@ -1,113 +0,0 @@
-package adapters
-
-import (
-	"bytes"
-	"fmt"
-	"log/slog"
-	"os/exec"
-	"strings"
-
-	"github.com/h44z/wg-portal/internal"
-	"github.com/h44z/wg-portal/internal/domain"
-)
-
-// WgQuickRepo implements higher level wg-quick like interactions like setting DNS, routing tables or interface hooks.
-type WgQuickRepo struct {
-	shellCmd              string
-	resolvConfIfacePrefix string
-}
-
-// NewWgQuickRepo creates a new WgQuickRepo instance.
-func NewWgQuickRepo() *WgQuickRepo {
-	return &WgQuickRepo{
-		shellCmd:              "bash",
-		resolvConfIfacePrefix: "tun.",
-	}
-}
-
-// ExecuteInterfaceHook executes the given hook command.
-// The hook command can contain the following placeholders:
-//
-//	%i: the interface identifier.
-func (r *WgQuickRepo) ExecuteInterfaceHook(id domain.InterfaceIdentifier, hookCmd string) error {
-	if hookCmd == "" {
-		return nil
-	}
-
-	slog.Debug("executing interface hook", "interface", id, "hook", hookCmd)
-	err := r.exec(hookCmd, id)
-	if err != nil {
-		return fmt.Errorf("failed to exec hook: %w", err)
-	}
-
-	return nil
-}
-
-// SetDNS sets the DNS settings for the given interface. It uses resolvconf to set the DNS settings.
-func (r *WgQuickRepo) SetDNS(id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error {
-	if dnsStr == "" && dnsSearchStr == "" {
-		return nil
-	}
-
-	dnsServers := internal.SliceString(dnsStr)
-	dnsSearchDomains := internal.SliceString(dnsSearchStr)
-
-	dnsCommand := "resolvconf -a %resPref%i -m 0 -x"
-	dnsCommandInput := make([]string, 0, len(dnsServers)+len(dnsSearchDomains))
-
-	for _, dnsServer := range dnsServers {
-		dnsCommandInput = append(dnsCommandInput, fmt.Sprintf("nameserver %s", dnsServer))
-	}
-	for _, searchDomain := range dnsSearchDomains {
-		dnsCommandInput = append(dnsCommandInput, fmt.Sprintf("search %s", searchDomain))
-	}
-
-	err := r.exec(dnsCommand, id, dnsCommandInput...)
-	if err != nil {
-		return fmt.Errorf(
-			"failed to set dns settings (is resolvconf available?, for systemd create this symlink: ln -s /usr/bin/resolvectl /usr/local/bin/resolvconf): %w",
-			err,
-		)
-	}
-
-	return nil
-}
-
-// UnsetDNS unsets the DNS settings for the given interface. It uses resolvconf to unset the DNS settings.
-func (r *WgQuickRepo) UnsetDNS(id domain.InterfaceIdentifier) error {
-	dnsCommand := "resolvconf -d %resPref%i -f"
-
-	err := r.exec(dnsCommand, id)
-	if err != nil {
-		return fmt.Errorf("failed to unset dns settings: %w", err)
-	}
-
-	return nil
-}
-
-func (r *WgQuickRepo) replaceCommandPlaceHolders(command string, interfaceId domain.InterfaceIdentifier) string {
-	command = strings.ReplaceAll(command, "%resPref", r.resolvConfIfacePrefix)
-	return strings.ReplaceAll(command, "%i", string(interfaceId))
-}
-
-func (r *WgQuickRepo) exec(command string, interfaceId domain.InterfaceIdentifier, stdin ...string) error {
-	commandWithInterfaceName := r.replaceCommandPlaceHolders(command, interfaceId)
-	cmd := exec.Command(r.shellCmd, "-ce", commandWithInterfaceName)
-	if len(stdin) > 0 {
-		b := &bytes.Buffer{}
-		for _, ln := range stdin {
-			if _, err := fmt.Fprint(b, ln); err != nil {
-				return err
-			}
-		}
-		cmd.Stdin = b
-	}
-	out, err := cmd.CombinedOutput() // execute and wait for output
-	if err != nil {
-		return fmt.Errorf("failed to exexute shell command %s: %w", commandWithInterfaceName, err)
-	}
-	slog.Debug("executed shell command",
-		"command", commandWithInterfaceName,
-		"output", string(out))
-	return nil
-}

internal/app/api/core/assets/doc/v0_swagger.json

@@ -1550,6 +1550,38 @@
                 }
             }
         },
+        "/user/{id}/change-password": {
+            "post": {
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Users"
+                ],
+                "summary": "Change the password for the given user.",
+                "operationId": "users_handleChangePasswordPost",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/model.User"
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/model.Error"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/model.Error"
+                        }
+                    }
+                }
+            }
+        },
         "/user/{id}/interfaces": {
             "get": {
                 "produces": [
@@ -2159,6 +2191,10 @@
                         }
                     ]
                 },
+                "UserDisplayName": {
+                    "description": "the owner display name",
+                    "type": "string"
+                },
                 "UserIdentifier": {
                     "description": "the owner",
                     "type": "string"

internal/app/api/core/assets/doc/v0_swagger.yaml

@@ -322,6 +322,9 @@ definitions:
         allOf:
         - $ref: '#/definitions/model.ConfigOption-string'
         description: the routing table
+      UserDisplayName:
+        description: the owner display name
+        type: string
       UserIdentifier:
         description: the owner
         type: string
@@ -1442,6 +1445,27 @@ paths:
       summary: Enable the REST API for the given user.
       tags:
       - Users
+  /user/{id}/change-password:
+    post:
+      operationId: users_handleChangePasswordPost
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/model.User'
+        "400":
+          description: Bad Request
+          schema:
+            $ref: '#/definitions/model.Error'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/model.Error'
+      summary: Change the password for the given user.
+      tags:
+      - Users
   /user/{id}/interfaces:
     get:
       operationId: users_handleInterfacesGet

internal/app/api/core/assets/doc/v1_swagger.json

@@ -17,11 +17,6 @@
     "paths": {
         "/interface/all": {
             "get": {
-                "security": [
-                    {
-                        "BasicAuth": []
-                    }
-                ],
                 "produces": [
                     "application/json"
                 ],
@@ -52,16 +47,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/interface/by-id/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/interface/by-id/{id}": {
+            "get": {
                 "produces": [
                     "application/json"
                 ],
@@ -110,14 +105,14 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            },
-            "put": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            },
+            "put": {
                 "description": "This endpoint updates an existing interface with the provided data. All required fields must be filled (e.g. name, private key, public key, ...).",
                 "produces": [
                     "application/json"
@@ -182,14 +177,14 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            },
-            "delete": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            },
+            "delete": {
                 "produces": [
                     "application/json"
                 ],
@@ -241,16 +236,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/interface/new": {
-            "post": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/interface/new": {
+            "post": {
                 "description": "This endpoint creates a new interface with the provided data. All required fields must be filled (e.g. name, private key, public key, ...).",
                 "produces": [
                     "application/json"
@@ -308,16 +303,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/interface/prepare": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/interface/prepare": {
+            "get": {
                 "description": "This endpoint returns a new interface with default values (fresh key pair, valid name, new IP address pool, ...).",
                 "produces": [
                     "application/json"
@@ -352,16 +347,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/metrics/by-interface/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/metrics/by-interface/{id}": {
+            "get": {
                 "produces": [
                     "application/json"
                 ],
@@ -410,16 +405,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/metrics/by-peer/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/metrics/by-peer/{id}": {
+            "get": {
                 "produces": [
                     "application/json"
                 ],
@@ -468,16 +463,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/metrics/by-user/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/metrics/by-user/{id}": {
+            "get": {
                 "produces": [
                     "application/json"
                 ],
@@ -526,16 +521,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/peer/by-id/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/peer/by-id/{id}": {
+            "get": {
                 "description": "Normal users can only access their own records. Admins can access all records.",
                 "produces": [
                     "application/json"
@@ -585,14 +580,14 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            },
-            "put": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            },
+            "put": {
                 "description": "Only admins can update existing records. The peer record must contain all required fields (e.g., public key, allowed IPs).",
                 "produces": [
                     "application/json"
@@ -657,14 +652,14 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            },
-            "delete": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            },
+            "delete": {
                 "produces": [
                     "application/json"
                 ],
@@ -716,16 +711,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/peer/by-interface/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/peer/by-interface/{id}": {
+            "get": {
                 "produces": [
                     "application/json"
                 ],
@@ -765,16 +760,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/peer/by-user/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/peer/by-user/{id}": {
+            "get": {
                 "description": "Normal users can only access their own records. Admins can access all records.",
                 "produces": [
                     "application/json"
@@ -815,16 +810,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/peer/new": {
-            "post": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/peer/new": {
+            "post": {
                 "description": "Only admins can create new records. The peer record must contain all required fields (e.g., public key, allowed IPs).",
                 "produces": [
                     "application/json"
@@ -882,16 +877,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/peer/prepare/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/peer/prepare/{id}": {
+            "get": {
                 "description": "This endpoint is used to prepare a new peer record. The returned data contains a fresh key pair and valid ip address.",
                 "produces": [
                     "application/json"
@@ -947,16 +942,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/provisioning/data/peer-config": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/provisioning/data/peer-config": {
+            "get": {
                 "description": "Normal users can only access their own record. Admins can access all records.",
                 "produces": [
                     "text/plain",
@@ -1013,16 +1008,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/provisioning/data/peer-qr": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/provisioning/data/peer-qr": {
+            "get": {
                 "description": "Normal users can only access their own record. Admins can access all records.",
                 "produces": [
                     "image/png",
@@ -1079,16 +1074,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/provisioning/data/user-info": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/provisioning/data/user-info": {
+            "get": {
                 "description": "Normal users can only access their own record. Admins can access all records.",
                 "produces": [
                     "application/json"
@@ -1149,16 +1144,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/provisioning/new-peer": {
-            "post": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/provisioning/new-peer": {
+            "post": {
                 "description": "Normal users can only create new peers if self provisioning is allowed. Admins can always add new peers.",
                 "produces": [
                     "application/json"
@@ -1216,16 +1211,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/user/all": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/user/all": {
+            "get": {
                 "produces": [
                     "application/json"
                 ],
@@ -1256,16 +1251,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/user/by-id/{id}": {
-            "get": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/user/by-id/{id}": {
+            "get": {
                 "description": "Normal users can only access their own record. Admins can access all records.",
                 "produces": [
                     "application/json"
@@ -1315,14 +1310,14 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            },
-            "put": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            },
+            "put": {
                 "description": "Only admins can update existing records.",
                 "produces": [
                     "application/json"
@@ -1387,14 +1382,14 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            },
-            "delete": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            },
+            "delete": {
                 "produces": [
                     "application/json"
                 ],
@@ -1446,16 +1441,16 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
-            }
-        },
-        "/user/new": {
-            "post": {
+                },
                 "security": [
                     {
                         "BasicAuth": []
                     }
-                ],
+                ]
+            }
+        },
+        "/user/new": {
+            "post": {
                 "description": "Only admins can create new records.",
                 "produces": [
                     "application/json"
@@ -1513,7 +1508,12 @@
                             "$ref": "#/definitions/models.Error"
                         }
                     }
-                }
+                },
+                "security": [
+                    {
+                        "BasicAuth": []
+                    }
+                ]
             }
         }
     },
@@ -2216,7 +2216,9 @@
                     "description": "The source of the user. This field is optional.",
                     "type": "string",
                     "enum": [
-                        "db"
+                        "db",
+                        "ldap",
+                        "oauth"
                     ],
                     "example": "db"
                 }

internal/app/api/core/assets/doc/v1_swagger.yaml

@@ -561,6 +561,8 @@ definitions:
         description: The source of the user. This field is optional.
         enum:
         - db
+        - ldap
+        - oauth
         example: db
         type: string
     required:

internal/app/api/core/server.go

@@ -4,10 +4,12 @@ import (
 	"context"
 	"fmt"
 	"html/template"
+	"io"
 	"io/fs"
 	"log/slog"
 	"net/http"
 	"os"
+	"path/filepath"
 	"time"
 
 	"github.com/go-pkgz/routegroup"
@@ -155,6 +157,37 @@ func (s *Server) setupFrontendRoutes() {
 		respond.Redirect(w, r, http.StatusMovedPermanently, "/app/favicon.ico")
 	})
 
+	// If a custom frontend path is configured, serve files from there when it contains content.
+	// If the directory is empty or missing, populate it with the embedded frontend-dist content first.
+	if s.cfg.Web.FrontendFilePath != "" {
+		if err := os.MkdirAll(s.cfg.Web.FrontendFilePath, 0755); err != nil {
+			slog.Error("failed to create frontend base directory", "path", s.cfg.Web.FrontendFilePath, "error", err)
+		} else {
+			ok := true
+			hasFiles, err := dirHasFiles(s.cfg.Web.FrontendFilePath)
+			if err != nil {
+				slog.Error("failed to check frontend base directory", "path", s.cfg.Web.FrontendFilePath, "error", err)
+				ok = false
+			}
+			if !hasFiles && ok {
+				embeddedFS := fsMust(fs.Sub(frontendStatics, "frontend-dist"))
+				if err := copyEmbedDirToDisk(embeddedFS, s.cfg.Web.FrontendFilePath); err != nil {
+					slog.Error("failed to populate frontend base directory from embedded assets",
+						"path", s.cfg.Web.FrontendFilePath, "error", err)
+					ok = false
+				}
+			}
+
+			if ok {
+				// serve files from FS
+				slog.Debug("serving frontend files from custom path", "path", s.cfg.Web.FrontendFilePath)
+				s.server.HandleFiles("/app", http.Dir(s.cfg.Web.FrontendFilePath))
+				return
+			}
+		}
+	}
+
+	// Fallback: serve embedded frontend files
 	s.server.HandleFiles("/app", http.FS(fsMust(fs.Sub(frontendStatics, "frontend-dist"))))
 }
 
@@ -182,3 +215,67 @@ func fsMust(f fs.FS, err error) fs.FS {
 	}
 	return f
 }
+
+// dirHasFiles returns true if the directory contains at least one file (non-directory).
+func dirHasFiles(dir string) (bool, error) {
+	d, err := os.Open(dir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	defer d.Close()
+
+	// Read a few entries; if any entry exists, consider it having files/dirs.
+	// We want to know if there is at least one file; if only subdirs exist, still treat as content.
+	entries, err := d.Readdir(-1)
+	if err != nil {
+		return false, err
+	}
+	for _, e := range entries {
+		if e.IsDir() {
+			// check recursively
+			has, err := dirHasFiles(filepath.Join(dir, e.Name()))
+			if err == nil && has {
+				return true, nil
+			}
+			continue
+		}
+		// regular file
+		return true, nil
+	}
+	return false, nil
+}
+
+// copyEmbedDirToDisk copies the contents of srcFS into dstDir on disk.
+func copyEmbedDirToDisk(srcFS fs.FS, dstDir string) error {
+	return fs.WalkDir(srcFS, ".", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		target := filepath.Join(dstDir, path)
+		if d.IsDir() {
+			return os.MkdirAll(target, 0755)
+		}
+		// ensure parent dir exists
+		if err := os.MkdirAll(filepath.Dir(target), 0755); err != nil {
+			return err
+		}
+		// open source file
+		f, err := srcFS.Open(path)
+		if err != nil {
+			return err
+		}
+		defer f.Close()
+		out, err := os.Create(target)
+		if err != nil {
+			return err
+		}
+		if _, err := io.Copy(out, f); err != nil {
+			_ = out.Close()
+			return err
+		}
+		return out.Close()
+	})
+}

internal/app/api/v0/backend/user_service.go

@@ -2,6 +2,8 @@ package backend
 
 import (
 	"context"
+	"fmt"
+	"strings"
 
 	"github.com/h44z/wg-portal/internal/config"
 	"github.com/h44z/wg-portal/internal/domain"
@@ -70,6 +72,44 @@ func (u UserService) DeactivateApi(ctx context.Context, id domain.UserIdentifier
 	return u.users.DeactivateApi(ctx, id)
 }
 
+func (u UserService) ChangePassword(ctx context.Context, id domain.UserIdentifier, oldPassword, newPassword string) (*domain.User, error) {
+	oldPassword = strings.TrimSpace(oldPassword)
+	newPassword = strings.TrimSpace(newPassword)
+
+	if newPassword == "" {
+		return nil, fmt.Errorf("new password must not be empty")
+	}
+
+	// ensure that the new password is different from the old one
+	if oldPassword == newPassword {
+		return nil, fmt.Errorf("new password must be different from the old one")
+	}
+
+	user, err := u.users.GetUser(ctx, id)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get user: %w", err)
+	}
+
+	// ensure that the user uses the database backend; otherwise we can't change the password
+	if user.Source != domain.UserSourceDatabase {
+		return nil, fmt.Errorf("user source %s does not support password changes", user.Source)
+	}
+
+	// validate old password
+	if user.CheckPassword(oldPassword) != nil {
+		return nil, fmt.Errorf("current password is invalid")
+	}
+
+	user.Password = domain.PrivateString(newPassword)
+
+	// ensure that the new password is strong enough
+	if err := user.HasWeakPassword(u.cfg.Auth.MinPasswordLength); err != nil {
+		return nil, err
+	}
+
+	return u.users.UpdateUser(ctx, user)
+}
+
 func (u UserService) GetUserPeers(ctx context.Context, id domain.UserIdentifier) ([]domain.Peer, error) {
 	return u.wg.GetUserPeers(ctx, id)
 }

internal/app/api/v0/handlers/endpoint_users.go

@@ -28,6 +28,8 @@ type UserService interface {
 	ActivateApi(ctx context.Context, id domain.UserIdentifier) (*domain.User, error)
 	// DeactivateApi disables the API for the user with the given id.
 	DeactivateApi(ctx context.Context, id domain.UserIdentifier) (*domain.User, error)
+	// ChangePassword changes the password for the user with the given id.
+	ChangePassword(ctx context.Context, id domain.UserIdentifier, oldPassword, newPassword string) (*domain.User, error)
 	// GetUserPeers returns all peers for the given user.
 	GetUserPeers(ctx context.Context, id domain.UserIdentifier) ([]domain.Peer, error)
 	// GetUserPeerStats returns all peer stats for the given user.
@@ -75,6 +77,7 @@ func (e UserEndpoint) RegisterRoutes(g *routegroup.Bundle) {
 	apiGroup.With(e.authenticator.UserIdMatch("id")).HandleFunc("GET /{id}/interfaces", e.handleInterfacesGet())
 	apiGroup.With(e.authenticator.UserIdMatch("id")).HandleFunc("POST /{id}/api/enable", e.handleApiEnablePost())
 	apiGroup.With(e.authenticator.UserIdMatch("id")).HandleFunc("POST /{id}/api/disable", e.handleApiDisablePost())
+	apiGroup.With(e.authenticator.UserIdMatch("id")).HandleFunc("POST /{id}/change-password", e.handleChangePasswordPost())
 }
 
 // handleAllGet returns a gorm Handler function.
@@ -391,3 +394,68 @@ func (e UserEndpoint) handleApiDisablePost() http.HandlerFunc {
 		respond.JSON(w, http.StatusOK, model.NewUser(user, false))
 	}
 }
+
+// handleChangePasswordPost returns a gorm Handler function.
+//
+// @ID users_handleChangePasswordPost
+// @Tags Users
+// @Summary Change the password for the given user.
+// @Produce json
+// @Success 200 {object} model.User
+// @Failure 400 {object} model.Error
+// @Failure 500 {object} model.Error
+// @Router /user/{id}/change-password [post]
+func (e UserEndpoint) handleChangePasswordPost() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userId := Base64UrlDecode(request.Path(r, "id"))
+		if userId == "" {
+			respond.JSON(w, http.StatusBadRequest,
+				model.Error{Code: http.StatusInternalServerError, Message: "missing id parameter"})
+			return
+		}
+
+		var passwordData struct {
+			OldPassword    string `json:"OldPassword"`
+			Password       string `json:"Password"`
+			PasswordRepeat string `json:"PasswordRepeat"`
+		}
+		if err := request.BodyJson(r, &passwordData); err != nil {
+			respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
+			return
+		}
+
+		if passwordData.OldPassword == "" {
+			respond.JSON(w, http.StatusBadRequest,
+				model.Error{Code: http.StatusBadRequest, Message: "old password missing"})
+			return
+		}
+
+		if passwordData.Password == "" {
+			respond.JSON(w, http.StatusBadRequest,
+				model.Error{Code: http.StatusBadRequest, Message: "new password missing"})
+			return
+		}
+
+		if passwordData.OldPassword == passwordData.Password {
+			respond.JSON(w, http.StatusBadRequest,
+				model.Error{Code: http.StatusBadRequest, Message: "password did not change"})
+			return
+		}
+
+		if passwordData.Password != passwordData.PasswordRepeat {
+			respond.JSON(w, http.StatusBadRequest,
+				model.Error{Code: http.StatusBadRequest, Message: "password mismatch"})
+			return
+		}
+
+		user, err := e.userService.ChangePassword(r.Context(), domain.UserIdentifier(userId),
+			passwordData.OldPassword, passwordData.Password)
+		if err != nil {
+			respond.JSON(w, http.StatusInternalServerError,
+				model.Error{Code: http.StatusInternalServerError, Message: err.Error()})
+			return
+		}
+
+		respond.JSON(w, http.StatusOK, model.NewUser(user, false))
+	}
+}

internal/app/api/v1/handlers/endpoint_interface.go

@@ -48,12 +48,12 @@ func (e InterfaceEndpoint) RegisterRoutes(g *routegroup.Bundle) {
 	apiGroup.Use(e.authenticator.LoggedIn(ScopeAdmin))
 
 	apiGroup.HandleFunc("GET /all", e.handleAllGet())
-	apiGroup.HandleFunc("GET /by-id/{id}", e.handleByIdGet())
+	apiGroup.HandleFunc("GET /by-id/{id...}", e.handleByIdGet())
 
 	apiGroup.HandleFunc("GET /prepare", e.handlePrepareGet())
 	apiGroup.HandleFunc("POST /new", e.handleCreatePost())
-	apiGroup.HandleFunc("PUT /by-id/{id}", e.handleUpdatePut())
-	apiGroup.HandleFunc("DELETE /by-id/{id}", e.handleDelete())
+	apiGroup.HandleFunc("PUT /by-id/{id...}", e.handleUpdatePut())
+	apiGroup.HandleFunc("DELETE /by-id/{id...}", e.handleDelete())
 }
 
 // handleAllGet returns a gorm Handler function.

internal/app/api/v1/handlers/endpoint_metrics.go

@@ -44,10 +44,10 @@ func (e MetricsEndpoint) RegisterRoutes(g *routegroup.Bundle) {
 	apiGroup := g.Mount("/metrics")
 	apiGroup.Use(e.authenticator.LoggedIn())
 
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /by-interface/{id}",
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /by-interface/{id...}",
 		e.handleMetricsForInterfaceGet())
-	apiGroup.HandleFunc("GET /by-user/{id}", e.handleMetricsForUserGet())
-	apiGroup.HandleFunc("GET /by-peer/{id}", e.handleMetricsForPeerGet())
+	apiGroup.HandleFunc("GET /by-user/{id...}", e.handleMetricsForUserGet())
+	apiGroup.HandleFunc("GET /by-peer/{id...}", e.handleMetricsForPeerGet())
 }
 
 // handleMetricsForInterfaceGet returns a gorm Handler function.

internal/app/api/v1/handlers/endpoint_peer.go

@@ -47,15 +47,15 @@ func (e PeerEndpoint) RegisterRoutes(g *routegroup.Bundle) {
 	apiGroup := g.Mount("/peer")
 	apiGroup.Use(e.authenticator.LoggedIn())
 
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /by-interface/{id}",
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /by-interface/{id...}",
 		e.handleAllForInterfaceGet())
-	apiGroup.HandleFunc("GET /by-user/{id}", e.handleAllForUserGet())
-	apiGroup.HandleFunc("GET /by-id/{id}", e.handleByIdGet())
+	apiGroup.HandleFunc("GET /by-user/{id...}", e.handleAllForUserGet())
+	apiGroup.HandleFunc("GET /by-id/{id...}", e.handleByIdGet())
 
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /prepare/{id}", e.handlePrepareGet())
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /prepare/{id...}", e.handlePrepareGet())
 	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("POST /new", e.handleCreatePost())
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("PUT /by-id/{id}", e.handleUpdatePut())
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("DELETE /by-id/{id}", e.handleDelete())
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("PUT /by-id/{id...}", e.handleUpdatePut())
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("DELETE /by-id/{id...}", e.handleDelete())
 }
 
 // handleAllForInterfaceGet returns a gorm Handler function.

internal/app/api/v1/handlers/endpoint_user.go

@@ -47,10 +47,10 @@ func (e UserEndpoint) RegisterRoutes(g *routegroup.Bundle) {
 	apiGroup.Use(e.authenticator.LoggedIn())
 
 	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("GET /all", e.handleAllGet())
-	apiGroup.HandleFunc("GET /by-id/{id}", e.handleByIdGet())
+	apiGroup.HandleFunc("GET /by-id/{id...}", e.handleByIdGet())
 	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("POST /new", e.handleCreatePost())
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("PUT /by-id/{id}", e.handleUpdatePut())
-	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("DELETE /by-id/{id}", e.handleDelete())
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("PUT /by-id/{id...}", e.handleUpdatePut())
+	apiGroup.With(e.authenticator.LoggedIn(ScopeAdmin)).HandleFunc("DELETE /by-id/{id...}", e.handleDelete())
 }
 
 // handleAllGet returns a gorm Handler function.

internal/app/api/v1/models/models_user.go

@@ -13,7 +13,7 @@ type User struct {
 	// The email address of the user. This field is optional.
 	Email string `json:"Email" binding:"omitempty,email" example:"test@test.com"`
 	// The source of the user. This field is optional.
-	Source string `json:"Source" binding:"oneof=db" example:"db"`
+	Source string `json:"Source" binding:"oneof=db ldap oauth" example:"db"`
 	// The name of the authentication provider. This field is read-only.
 	ProviderName string `json:"ProviderName,omitempty" readonly:"true" example:""`
 	// If this field is set, the user is an admin.

internal/app/auth/auth_ldap.go

@@ -20,18 +20,7 @@ type LdapAuthenticator struct {
 }
 
 func newLdapAuthenticator(_ context.Context, cfg *config.LdapProvider) (*LdapAuthenticator, error) {
-	var provider = &LdapAuthenticator{}
-
-	provider.cfg = cfg
-
-	dn, err := ldap.ParseDN(cfg.AdminGroupDN)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse admin group DN: %w", err)
-	}
-	provider.cfg.FieldMap = provider.getLdapFieldMapping(cfg.FieldMap)
-	provider.cfg.ParsedAdminGroupDN = dn
-
-	return provider, nil
+	return &LdapAuthenticator{cfg: cfg}, nil
 }
 
 // GetName returns the name of the LDAP authenticator.
@@ -154,40 +143,3 @@ func (l LdapAuthenticator) ParseUserInfo(raw map[string]any) (*domain.Authentica
 
 	return userInfo, nil
 }
-
-func (l LdapAuthenticator) getLdapFieldMapping(f config.LdapFields) config.LdapFields {
-	defaultMap := config.LdapFields{
-		BaseFields: config.BaseFields{
-			UserIdentifier: "mail",
-			Email:          "mail",
-			Firstname:      "givenName",
-			Lastname:       "sn",
-			Phone:          "telephoneNumber",
-			Department:     "department",
-		},
-		GroupMembership: "memberOf",
-	}
-	if f.UserIdentifier != "" {
-		defaultMap.UserIdentifier = f.UserIdentifier
-	}
-	if f.Email != "" {
-		defaultMap.Email = f.Email
-	}
-	if f.Firstname != "" {
-		defaultMap.Firstname = f.Firstname
-	}
-	if f.Lastname != "" {
-		defaultMap.Lastname = f.Lastname
-	}
-	if f.Phone != "" {
-		defaultMap.Phone = f.Phone
-	}
-	if f.Department != "" {
-		defaultMap.Department = f.Department
-	}
-	if f.GroupMembership != "" {
-		defaultMap.GroupMembership = f.GroupMembership
-	}
-
-	return defaultMap
-}

internal/app/auth/auth_oauth.go

@@ -19,15 +19,16 @@ import (
 // PlainOauthAuthenticator is an authenticator that uses OAuth for authentication.
 // User information is retrieved from the specified user info endpoint.
 type PlainOauthAuthenticator struct {
-	name                string
-	cfg                 *oauth2.Config
-	userInfoEndpoint    string
-	client              *http.Client
-	userInfoMapping     config.OauthFields
-	userAdminMapping    *config.OauthAdminMapping
-	registrationEnabled bool
-	userInfoLogging     bool
-	allowedDomains      []string
+	name                 string
+	cfg                  *oauth2.Config
+	userInfoEndpoint     string
+	client               *http.Client
+	userInfoMapping      config.OauthFields
+	userAdminMapping     *config.OauthAdminMapping
+	registrationEnabled  bool
+	userInfoLogging      bool
+	sensitiveInfoLogging bool
+	allowedDomains       []string
 }
 
 func newPlainOauthAuthenticator(
@@ -57,6 +58,7 @@ func newPlainOauthAuthenticator(
 	provider.userAdminMapping = &cfg.AdminMapping
 	provider.registrationEnabled = cfg.RegistrationEnabled
 	provider.userInfoLogging = cfg.LogUserInfo
+	provider.sensitiveInfoLogging = cfg.LogSensitiveInfo
 	provider.allowedDomains = cfg.AllowedDomains
 
 	return provider, nil
@@ -110,6 +112,10 @@ func (p PlainOauthAuthenticator) GetUserInfo(
 
 	response, err := p.client.Do(req)
 	if err != nil {
+		if p.sensitiveInfoLogging {
+			slog.Debug("OAuth: failed to get user info", "endpoint", p.userInfoEndpoint,
+				"token", token, "error", err)
+		}
 		return nil, fmt.Errorf("failed to get user info: %w", err)
 	}
 	defer internal.LogClose(response.Body)
@@ -121,11 +127,15 @@ func (p PlainOauthAuthenticator) GetUserInfo(
 	var userFields map[string]any
 	err = json.Unmarshal(contents, &userFields)
 	if err != nil {
+		if p.sensitiveInfoLogging {
+			slog.Debug("OAuth: failed to parse user info", "endpoint", p.userInfoEndpoint,
+				"token", token, "contents", contents, "error", err)
+		}
 		return nil, fmt.Errorf("failed to parse user info: %w", err)
 	}
 
 	if p.userInfoLogging {
-		slog.Debug("OAuth user info",
+		slog.Debug("OAuth: user info debug",
 			"source", p.name,
 			"info", string(contents))
 	}

internal/app/auth/auth_oidc.go

@@ -16,15 +16,16 @@ import (
 
 // OidcAuthenticator is an authenticator for OpenID Connect providers.
 type OidcAuthenticator struct {
-	name                string
-	provider            *oidc.Provider
-	verifier            *oidc.IDTokenVerifier
-	cfg                 *oauth2.Config
-	userInfoMapping     config.OauthFields
-	userAdminMapping    *config.OauthAdminMapping
-	registrationEnabled bool
-	userInfoLogging     bool
-	allowedDomains      []string
+	name                 string
+	provider             *oidc.Provider
+	verifier             *oidc.IDTokenVerifier
+	cfg                  *oauth2.Config
+	userInfoMapping      config.OauthFields
+	userAdminMapping     *config.OauthAdminMapping
+	registrationEnabled  bool
+	userInfoLogging      bool
+	sensitiveInfoLogging bool
+	allowedDomains       []string
 }
 
 func newOidcAuthenticator(
@@ -58,6 +59,7 @@ func newOidcAuthenticator(
 	provider.userAdminMapping = &cfg.AdminMapping
 	provider.registrationEnabled = cfg.RegistrationEnabled
 	provider.userInfoLogging = cfg.LogUserInfo
+	provider.sensitiveInfoLogging = cfg.LogSensitiveInfo
 	provider.allowedDomains = cfg.AllowedDomains
 
 	return provider, nil
@@ -102,24 +104,40 @@ func (o OidcAuthenticator) GetUserInfo(ctx context.Context, token *oauth2.Token,
 ) {
 	rawIDToken, ok := token.Extra("id_token").(string)
 	if !ok {
+		if o.sensitiveInfoLogging {
+			slog.Debug("OIDC: token does not contain id_token", "token", token, "nonce", nonce)
+		}
 		return nil, errors.New("token does not contain id_token")
 	}
 	idToken, err := o.verifier.Verify(ctx, rawIDToken)
 	if err != nil {
+		if o.sensitiveInfoLogging {
+			slog.Debug("OIDC: failed to validate id_token", "token", token, "id_token", rawIDToken, "nonce", nonce,
+				"error",
+				err)
+		}
 		return nil, fmt.Errorf("failed to validate id_token: %w", err)
 	}
 	if idToken.Nonce != nonce {
+		if o.sensitiveInfoLogging {
+			slog.Debug("OIDC: id_token nonce mismatch", "token", token, "id_token", idToken, "nonce", nonce)
+		}
 		return nil, errors.New("nonce mismatch")
 	}
 
 	var tokenFields map[string]any
 	if err = idToken.Claims(&tokenFields); err != nil {
+		if o.sensitiveInfoLogging {
+			slog.Debug("OIDC: failed to parse extra claims", "token", token, "id_token", idToken, "nonce", nonce,
+				"error",
+				err)
+		}
 		return nil, fmt.Errorf("failed to parse extra claims: %w", err)
 	}
 
 	if o.userInfoLogging {
 		contents, _ := json.Marshal(tokenFields)
-		slog.Debug("OIDC user info",
+		slog.Debug("OIDC: user info debug",
 			"source", o.name,
 			"info", string(contents))
 	}

internal/app/mail/manager.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"log/slog"
+	"net/mail"
 
 	"github.com/h44z/wg-portal/internal/config"
 	"github.com/h44z/wg-portal/internal/domain"
@@ -71,7 +72,7 @@ func NewMailManager(
 	users UserDatabaseRepo,
 	wg WireguardDatabaseRepo,
 ) (*Manager, error) {
-	tplHandler, err := newTemplateHandler(cfg.Web.ExternalUrl, cfg.Web.SiteTitle)
+	tplHandler, err := newTemplateHandler(cfg.Web.ExternalUrl, cfg.Web.SiteTitle, cfg.Mail.TemplatesPath)
 	if err != nil {
 		return nil, fmt.Errorf("failed to initialize template handler: %w", err)
 	}
@@ -101,29 +102,15 @@ func (m Manager) SendPeerEmail(ctx context.Context, linkOnly bool, style string,
 		}
 
 		if peer.UserIdentifier == "" {
-			slog.Debug("skipping peer email",
-				"peer", peerId,
-				"reason", "no user linked")
-			continue
+			return fmt.Errorf("peer %s has no user linked, no email is sent", peerId)
 		}
 
-		user, err := m.users.GetUser(ctx, peer.UserIdentifier)
-		if err != nil {
-			slog.Debug("skipping peer email",
-				"peer", peerId,
-				"reason", "unable to fetch user",
-				"error", err)
-			continue
+		email, user := m.resolveEmail(ctx, peer)
+		if email == "" {
+			return fmt.Errorf("peer %s has no valid email address, no email is sent", peerId)
 		}
 
-		if user.Email == "" {
-			slog.Debug("skipping peer email",
-				"peer", peerId,
-				"reason", "user has no mail address")
-			continue
-		}
-
-		err = m.sendPeerEmail(ctx, linkOnly, style, user, peer)
+		err = m.sendPeerEmail(ctx, linkOnly, style, &user, peer)
 		if err != nil {
 			return fmt.Errorf("failed to send peer email for %s: %w", peerId, err)
 		}
@@ -194,3 +181,37 @@ func (m Manager) sendPeerEmail(
 
 	return nil
 }
+
+func (m Manager) resolveEmail(ctx context.Context, peer *domain.Peer) (string, domain.User) {
+	user, err := m.users.GetUser(ctx, peer.UserIdentifier)
+	if err != nil {
+		if m.cfg.Mail.AllowPeerEmail {
+			_, err := mail.ParseAddress(string(peer.UserIdentifier)) // test if the user identifier is a valid email address
+			if err == nil {
+				slog.Debug("peer email: using user-identifier as email",
+					"peer", peer.Identifier, "email", peer.UserIdentifier)
+				return string(peer.UserIdentifier), domain.User{}
+			} else {
+				slog.Debug("peer email: skipping peer email",
+					"peer", peer.Identifier,
+					"reason", "peer has no user linked and user-identifier is not a valid email address")
+				return "", domain.User{}
+			}
+		} else {
+			slog.Debug("peer email: skipping peer email",
+				"peer", peer.Identifier,
+				"reason", "user has no user linked")
+			return "", domain.User{}
+		}
+	}
+
+	if user.Email == "" {
+		slog.Debug("peer email: skipping peer email",
+			"peer", peer.Identifier,
+			"reason", "user has no mail address")
+		return "", domain.User{}
+	}
+
+	slog.Debug("peer email: using user email", "peer", peer.Identifier, "email", user.Email)
+	return user.Email, *user
+}

internal/app/mail/template.go

@@ -6,6 +6,10 @@ import (
 	"fmt"
 	htmlTemplate "html/template"
 	"io"
+	"io/fs"
+	"log/slog"
+	"os"
+	"path/filepath"
 	"text/template"
 
 	"github.com/h44z/wg-portal/internal/domain"
@@ -22,15 +26,50 @@ type TemplateHandler struct {
 	textTemplates *template.Template
 }
 
-func newTemplateHandler(portalUrl, portalName string) (*TemplateHandler, error) {
+func newTemplateHandler(portalUrl, portalName string, basePath string) (*TemplateHandler, error) {
+	// Always parse embedded defaults first
 	htmlTemplateCache, err := htmlTemplate.New("Html").ParseFS(TemplateFiles, "tpl_files/*.gohtml")
 	if err != nil {
-		return nil, fmt.Errorf("failed to parse html template files: %w", err)
+		return nil, fmt.Errorf("failed to parse embedded html template files: %w", err)
 	}
 
 	txtTemplateCache, err := template.New("Txt").ParseFS(TemplateFiles, "tpl_files/*.gotpl")
 	if err != nil {
-		return nil, fmt.Errorf("failed to parse text template files: %w", err)
+		return nil, fmt.Errorf("failed to parse embedded text template files: %w", err)
+	}
+
+	// If a basePath is provided, ensure existence, populate if empty, then parse to override
+	if basePath != "" {
+		if err := os.MkdirAll(basePath, 0755); err != nil {
+			return nil, fmt.Errorf("failed to create templates base directory %s: %w", basePath, err)
+		}
+
+		hasTemplates, err := dirHasTemplates(basePath)
+		if err != nil {
+			return nil, fmt.Errorf("failed to inspect templates directory: %w", err)
+		}
+
+		// If no templates present, copy embedded defaults to directory
+		if !hasTemplates {
+			if err := copyEmbeddedTemplates(basePath); err != nil {
+				return nil, fmt.Errorf("failed to populate templates directory: %w", err)
+			}
+		}
+
+		// Parse files from basePath to override embedded ones.
+		// Only parse when matches exist to allow partial overrides without errors.
+		if matches, _ := filepath.Glob(filepath.Join(basePath, "*.gohtml")); len(matches) > 0 {
+			slog.Debug("parsing html email templates from base path", "base-path", basePath, "files", matches)
+			if htmlTemplateCache, err = htmlTemplateCache.ParseFiles(matches...); err != nil {
+				return nil, fmt.Errorf("failed to parse html templates from base path: %w", err)
+			}
+		}
+		if matches, _ := filepath.Glob(filepath.Join(basePath, "*.gotpl")); len(matches) > 0 {
+			slog.Debug("parsing text email templates from base path", "base-path", basePath, "files", matches)
+			if txtTemplateCache, err = txtTemplateCache.ParseFiles(matches...); err != nil {
+				return nil, fmt.Errorf("failed to parse text templates from base path: %w", err)
+			}
+		}
 	}
 
 	handler := &TemplateHandler{
@@ -43,24 +82,71 @@ func newTemplateHandler(portalUrl, portalName string) (*TemplateHandler, error)
 	return handler, nil
 }
 
+// dirHasTemplates checks whether directory contains any .gohtml or .gotpl files.
+func dirHasTemplates(basePath string) (bool, error) {
+	entries, err := os.ReadDir(basePath)
+	if err != nil {
+		return false, err
+	}
+	for _, e := range entries {
+		if e.IsDir() {
+			continue
+		}
+		ext := filepath.Ext(e.Name())
+		if ext == ".gohtml" || ext == ".gotpl" {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
+// copyEmbeddedTemplates writes embedded templates into basePath.
+func copyEmbeddedTemplates(basePath string) error {
+	list, err := fs.ReadDir(TemplateFiles, "tpl_files")
+	if err != nil {
+		return err
+	}
+	for _, entry := range list {
+		if entry.IsDir() {
+			continue
+		}
+		name := entry.Name()
+		// Only copy known template extensions
+		if ext := filepath.Ext(name); ext != ".gohtml" && ext != ".gotpl" {
+			continue
+		}
+		data, err := TemplateFiles.ReadFile(filepath.Join("tpl_files", name))
+		if err != nil {
+			return err
+		}
+		out := filepath.Join(basePath, name)
+		if err := os.WriteFile(out, data, 0644); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 // GetConfigMail returns the text and html template for the mail with a link.
 func (c TemplateHandler) GetConfigMail(user *domain.User, link string) (io.Reader, io.Reader, error) {
 	var tplBuff bytes.Buffer
 	var htmlTplBuff bytes.Buffer
 
 	err := c.textTemplates.ExecuteTemplate(&tplBuff, "mail_with_link.gotpl", map[string]any{
-		"User":      user,
-		"Link":      link,
-		"PortalUrl": c.portalUrl,
+		"User":       user,
+		"Link":       link,
+		"PortalUrl":  c.portalUrl,
+		"PortalName": c.portalName,
 	})
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to execute template mail_with_link.gotpl: %w", err)
 	}
 
 	err = c.htmlTemplates.ExecuteTemplate(&htmlTplBuff, "mail_with_link.gohtml", map[string]any{
-		"User":      user,
-		"Link":      link,
-		"PortalUrl": c.portalUrl,
+		"User":       user,
+		"Link":       link,
+		"PortalUrl":  c.portalUrl,
+		"PortalName": c.portalName,
 	})
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to execute template mail_with_link.gohtml: %w", err)

internal/app/route/routes.go

@@ -4,25 +4,23 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
-
-	"github.com/vishvananda/netlink"
-	"golang.org/x/sys/unix"
-	"golang.zx2c4.com/wireguard/wgctrl"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"sync"
 
 	"github.com/h44z/wg-portal/internal/app"
 	"github.com/h44z/wg-portal/internal/config"
 	"github.com/h44z/wg-portal/internal/domain"
-	"github.com/h44z/wg-portal/internal/lowlevel"
 )
 
 // region dependencies
 
+type ControllerManager interface {
+	// GetController returns the controller for the given interface.
+	GetController(iface domain.Interface) domain.InterfaceController
+}
+
 type InterfaceAndPeerDatabaseRepo interface {
-	// GetAllInterfaces returns all interfaces
-	GetAllInterfaces(ctx context.Context) ([]domain.Interface, error)
-	// GetInterfacePeers returns all peers for a given interface
-	GetInterfacePeers(ctx context.Context, id domain.InterfaceIdentifier) ([]domain.Peer, error)
+	// GetInterface returns the interface with the given identifier.
+	GetInterface(ctx context.Context, id domain.InterfaceIdentifier) (*domain.Interface, error)
 }
 
 type EventBus interface {
@@ -30,6 +28,13 @@ type EventBus interface {
 	Subscribe(topic string, fn interface{}) error
 }
 
+type RoutesController interface {
+	// SetRoutes sets the routes for the given interface. If no routes are provided, the function is a no-op.
+	SetRoutes(ctx context.Context, info domain.RoutingTableInfo) error
+	// RemoveRoutes removes the routes for the given interface. If no routes are provided, the function is a no-op.
+	RemoveRoutes(ctx context.Context, info domain.RoutingTableInfo) error
+}
+
 // endregion dependencies
 
 type routeRuleInfo struct {
@@ -45,28 +50,27 @@ type routeRuleInfo struct {
 type Manager struct {
 	cfg *config.Config
 
-	bus EventBus
-	wg  lowlevel.WireGuardClient
-	nl  lowlevel.NetlinkClient
-	db  InterfaceAndPeerDatabaseRepo
+	bus          EventBus
+	db           InterfaceAndPeerDatabaseRepo
+	wgController ControllerManager
+
+	mux *sync.Mutex
 }
 
 // NewRouteManager creates a new route manager instance.
-func NewRouteManager(cfg *config.Config, bus EventBus, db InterfaceAndPeerDatabaseRepo) (*Manager, error) {
-	wg, err := wgctrl.New()
-	if err != nil {
-		panic("failed to init wgctrl: " + err.Error())
-	}
-
-	nl := &lowlevel.NetlinkManager{}
-
+func NewRouteManager(
+	cfg *config.Config,
+	bus EventBus,
+	db InterfaceAndPeerDatabaseRepo,
+	wgController ControllerManager,
+) (*Manager, error) {
 	m := &Manager{
 		cfg: cfg,
 		bus: bus,
 
-		db: db,
-		wg: wg,
-		nl: nl,
+		db:           db,
+		wgController: wgController,
+		mux:          &sync.Mutex{},
 	}
 
 	m.connectToMessageBus()
@@ -85,419 +89,82 @@ func (m Manager) StartBackgroundJobs(_ context.Context) {
 	// this is a no-op for now
 }
 
-func (m Manager) handleRouteUpdateEvent(srcDescription string) {
-	slog.Debug("handling route update event", "source", srcDescription)
+func (m Manager) handleRouteUpdateEvent(info domain.RoutingTableInfo) {
+	m.mux.Lock() // ensure that only one route update is processed at a time
+	defer m.mux.Unlock()
 
-	err := m.syncRoutes(context.Background())
-	if err != nil {
-		slog.Error("failed to synchronize routes",
-			"source", srcDescription,
-			"error", err)
+	slog.Debug("handling route update event", "info", info.String())
+
+	if !info.ManagementEnabled() {
+		return // route management disabled
 	}
 
-	slog.Debug("routes synchronized", "source", srcDescription)
+	err := m.syncRoutes(context.Background(), info)
+	if err != nil {
+		slog.Error("failed to synchronize routes",
+			"info", info.String(), "error", err)
+		return
+	}
+
+	slog.Debug("routes synchronized", "info", info.String())
 }
 
 func (m Manager) handleRouteRemoveEvent(info domain.RoutingTableInfo) {
+	m.mux.Lock() // ensure that only one route update is processed at a time
+	defer m.mux.Unlock()
+
 	slog.Debug("handling route remove event", "info", info.String())
 
 	if !info.ManagementEnabled() {
 		return // route management disabled
 	}
 
-	if err := m.removeFwMarkRules(info.FwMark, info.GetRoutingTable(), netlink.FAMILY_V4); err != nil {
-		slog.Error("failed to remove v4 fwmark rules", "error", err)
-	}
-	if err := m.removeFwMarkRules(info.FwMark, info.GetRoutingTable(), netlink.FAMILY_V6); err != nil {
-		slog.Error("failed to remove v6 fwmark rules", "error", err)
-	}
-
-	slog.Debug("routes removed", "table", info.String())
-}
-
-func (m Manager) syncRoutes(ctx context.Context) error {
-	interfaces, err := m.db.GetAllInterfaces(ctx)
+	err := m.removeRoutes(context.Background(), info)
 	if err != nil {
-		return fmt.Errorf("failed to find all interfaces: %w", err)
+		slog.Error("failed to synchronize routes",
+			"info", info.String(), "error", err)
+		return
 	}
 
-	rules := map[int][]routeRuleInfo{
-		netlink.FAMILY_V4: nil,
-		netlink.FAMILY_V6: nil,
-	}
-	for _, iface := range interfaces {
-		if iface.IsDisabled() {
-			continue // disabled interface does not need route entries
-		}
-		if !iface.ManageRoutingTable() {
-			continue
-		}
-
-		peers, err := m.db.GetInterfacePeers(ctx, iface.Identifier)
-		if err != nil {
-			return fmt.Errorf("failed to find peers for %s: %w", iface.Identifier, err)
-		}
-		allowedIPs := iface.GetAllowedIPs(peers)
-		defRouteV4, defRouteV6 := m.containsDefaultRoute(allowedIPs)
-
-		link, err := m.nl.LinkByName(string(iface.Identifier))
-		if err != nil {
-			return fmt.Errorf("failed to find physical link for %s: %w", iface.Identifier, err)
-		}
-
-		table, fwmark, err := m.getRoutingTableAndFwMark(&iface, link)
-		if err != nil {
-			return fmt.Errorf("failed to get table and fwmark for %s: %w", iface.Identifier, err)
-		}
-
-		if err := m.setInterfaceRoutes(link, table, allowedIPs); err != nil {
-			return fmt.Errorf("failed to set routes for %s: %w", iface.Identifier, err)
-		}
-
-		if err := m.removeDeprecatedRoutes(link, netlink.FAMILY_V4, allowedIPs); err != nil {
-			return fmt.Errorf("failed to remove deprecated v4 routes for %s: %w", iface.Identifier, err)
-		}
-		if err := m.removeDeprecatedRoutes(link, netlink.FAMILY_V6, allowedIPs); err != nil {
-			return fmt.Errorf("failed to remove deprecated v6 routes for %s: %w", iface.Identifier, err)
-		}
-
-		if table != 0 {
-			rules[netlink.FAMILY_V4] = append(rules[netlink.FAMILY_V4], routeRuleInfo{
-				ifaceId:    iface.Identifier,
-				fwMark:     fwmark,
-				table:      table,
-				family:     netlink.FAMILY_V4,
-				hasDefault: defRouteV4,
-			})
-		}
-		if table != 0 {
-			rules[netlink.FAMILY_V6] = append(rules[netlink.FAMILY_V6], routeRuleInfo{
-				ifaceId:    iface.Identifier,
-				fwMark:     fwmark,
-				table:      table,
-				family:     netlink.FAMILY_V6,
-				hasDefault: defRouteV6,
-			})
-		}
-	}
-
-	return m.syncRouteRules(rules)
+	slog.Debug("routes removed", "info", info.String())
 }
 
-func (m Manager) syncRouteRules(allRules map[int][]routeRuleInfo) error {
-	for family, rules := range allRules {
-		// update fwmark rules
-		if err := m.setFwMarkRules(rules, family); err != nil {
-			return err
-		}
-
-		// update main rule
-		if err := m.setMainRule(rules, family); err != nil {
-			return err
-		}
-
-		// cleanup old main rules
-		if err := m.cleanupMainRule(rules, family); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (m Manager) setFwMarkRules(rules []routeRuleInfo, family int) error {
-	for _, rule := range rules {
-		existingRules, err := m.nl.RuleList(family)
-		if err != nil {
-			return fmt.Errorf("failed to get existing rules for family %d: %w", family, err)
-		}
-
-		ruleExists := false
-		for _, existingRule := range existingRules {
-			if rule.fwMark == existingRule.Mark && rule.table == existingRule.Table {
-				ruleExists = true
-				break
-			}
-		}
-
-		if ruleExists {
-			continue // rule already exists, no need to recreate it
-		}
-
-		// create missing rule
-		if err := m.nl.RuleAdd(&netlink.Rule{
-			Family:            family,
-			Table:             rule.table,
-			Mark:              rule.fwMark,
-			Invert:            true,
-			SuppressIfgroup:   -1,
-			SuppressPrefixlen: -1,
-			Priority:          m.getRulePriority(existingRules),
-			Mask:              nil,
-			Goto:              -1,
-			Flow:              -1,
-		}); err != nil {
-			return fmt.Errorf("failed to setup rule for fwmark %d and table %d: %w", rule.fwMark, rule.table, err)
-		}
-	}
-	return nil
-}
-
-func (m Manager) removeFwMarkRules(fwmark uint32, table int, family int) error {
-	existingRules, err := m.nl.RuleList(family)
-	if err != nil {
-		return fmt.Errorf("failed to get existing rules for family %d: %w", family, err)
-	}
-
-	for _, existingRule := range existingRules {
-		if fwmark == existingRule.Mark && table == existingRule.Table {
-			existingRule.Family = family // set family, somehow the RuleList method does not populate the family field
-			if err := m.nl.RuleDel(&existingRule); err != nil {
-				return fmt.Errorf("failed to delete fwmark rule: %w", err)
-			}
-		}
-	}
-	return nil
-}
-
-func (m Manager) setMainRule(rules []routeRuleInfo, family int) error {
-	shouldHaveMainRule := false
-	for _, rule := range rules {
-		if rule.hasDefault == true {
-			shouldHaveMainRule = true
-			break
-		}
-	}
-	if !shouldHaveMainRule {
+func (m Manager) syncRoutes(ctx context.Context, info domain.RoutingTableInfo) error {
+	rc, ok := m.wgController.GetController(info.Interface).(RoutesController)
+	if !ok {
+		slog.Warn("no capable routes-controller found for interface", "interface", info.Interface.Identifier)
 		return nil
 	}
 
-	existingRules, err := m.nl.RuleList(family)
+	if !info.Interface.ManageRoutingTable() {
+		slog.Debug("interface does not manage routing table, skipping route update",
+			"interface", info.Interface.Identifier)
+		return nil
+	}
+
+	err := rc.SetRoutes(ctx, info)
 	if err != nil {
-		return fmt.Errorf("failed to get existing rules for family %d: %w", family, err)
+		return fmt.Errorf("failed to set routes for interface %s: %w", info.Interface.Identifier, err)
 	}
-
-	ruleExists := false
-	for _, existingRule := range existingRules {
-		if existingRule.Table == unix.RT_TABLE_MAIN && existingRule.SuppressPrefixlen == 0 {
-			ruleExists = true
-			break
-		}
-	}
-
-	if ruleExists {
-		return nil // rule already exists, skip re-creation
-	}
-
-	if err := m.nl.RuleAdd(&netlink.Rule{
-		Family:            family,
-		Table:             unix.RT_TABLE_MAIN,
-		SuppressIfgroup:   -1,
-		SuppressPrefixlen: 0,
-		Priority:          m.getMainRulePriority(existingRules),
-		Mark:              0,
-		Mask:              nil,
-		Goto:              -1,
-		Flow:              -1,
-	}); err != nil {
-		return fmt.Errorf("failed to setup rule for main table: %w", err)
-	}
-
 	return nil
 }
 
-func (m Manager) cleanupMainRule(rules []routeRuleInfo, family int) error {
-	existingRules, err := m.nl.RuleList(family)
+func (m Manager) removeRoutes(ctx context.Context, info domain.RoutingTableInfo) error {
+	rc, ok := m.wgController.GetController(info.Interface).(RoutesController)
+	if !ok {
+		slog.Warn("no capable routes-controller found for interface", "interface", info.Interface.Identifier)
+		return nil
+	}
+
+	if !info.Interface.ManageRoutingTable() {
+		slog.Debug("interface does not manage routing table, skipping route removal",
+			"interface", info.Interface.Identifier)
+		return nil
+	}
+
+	err := rc.RemoveRoutes(ctx, info)
 	if err != nil {
-		return fmt.Errorf("failed to get existing rules for family %d: %w", family, err)
-	}
-
-	shouldHaveMainRule := false
-	for _, rule := range rules {
-		if rule.hasDefault == true {
-			shouldHaveMainRule = true
-			break
-		}
-	}
-
-	mainRules := 0
-	for _, existingRule := range existingRules {
-		if existingRule.Table == unix.RT_TABLE_MAIN && existingRule.SuppressPrefixlen == 0 {
-			mainRules++
-		}
-	}
-
-	removalCount := 0
-	if mainRules > 1 {
-		removalCount = mainRules - 1 // we only want one single rule
-	}
-	if !shouldHaveMainRule {
-		removalCount = mainRules
-	}
-
-	for _, existingRule := range existingRules {
-		if existingRule.Table == unix.RT_TABLE_MAIN && existingRule.SuppressPrefixlen == 0 {
-			if removalCount > 0 {
-				existingRule.Family = family // set family, somehow the RuleList method does not populate the family field
-				if err := m.nl.RuleDel(&existingRule); err != nil {
-					return fmt.Errorf("failed to delete main rule: %w", err)
-				}
-				removalCount--
-			}
-		}
-	}
-
-	return nil
-}
-
-func (m Manager) getMainRulePriority(existingRules []netlink.Rule) int {
-	prio := m.cfg.Advanced.RulePrioOffset
-	for {
-		isFresh := true
-		for _, existingRule := range existingRules {
-			if existingRule.Priority == prio {
-				isFresh = false
-				break
-			}
-		}
-		if isFresh {
-			break
-		} else {
-			prio++
-		}
-	}
-	return prio
-}
-
-func (m Manager) getRulePriority(existingRules []netlink.Rule) int {
-	prio := 32700 // linux main rule has a prio of 32766
-	for {
-		isFresh := true
-		for _, existingRule := range existingRules {
-			if existingRule.Priority == prio {
-				isFresh = false
-				break
-			}
-		}
-		if isFresh {
-			break
-		} else {
-			prio--
-		}
-	}
-	return prio
-}
-
-func (m Manager) setInterfaceRoutes(link netlink.Link, table int, allowedIPs []domain.Cidr) error {
-	for _, allowedIP := range allowedIPs {
-		err := m.nl.RouteReplace(&netlink.Route{
-			LinkIndex: link.Attrs().Index,
-			Dst:       allowedIP.IpNet(),
-			Table:     table,
-			Scope:     unix.RT_SCOPE_LINK,
-			Type:      unix.RTN_UNICAST,
-		})
-		if err != nil {
-			return fmt.Errorf("failed to add/update route %s: %w", allowedIP.String(), err)
-		}
-	}
-
-	return nil
-}
-
-func (m Manager) removeDeprecatedRoutes(link netlink.Link, family int, allowedIPs []domain.Cidr) error {
-	rawRoutes, err := m.nl.RouteListFiltered(family, &netlink.Route{
-		LinkIndex: link.Attrs().Index,
-		Table:     unix.RT_TABLE_UNSPEC, // all tables
-		Scope:     unix.RT_SCOPE_LINK,
-		Type:      unix.RTN_UNICAST,
-	}, netlink.RT_FILTER_TABLE|netlink.RT_FILTER_TYPE|netlink.RT_FILTER_OIF)
-	if err != nil {
-		return fmt.Errorf("failed to fetch raw routes: %w", err)
-	}
-	for _, rawRoute := range rawRoutes {
-		if rawRoute.Dst == nil { // handle default route
-			var netlinkAddr domain.Cidr
-			if family == netlink.FAMILY_V4 {
-				netlinkAddr, _ = domain.CidrFromString("0.0.0.0/0")
-			} else {
-				netlinkAddr, _ = domain.CidrFromString("::/0")
-			}
-			rawRoute.Dst = netlinkAddr.IpNet()
-		}
-
-		netlinkAddr := domain.CidrFromIpNet(*rawRoute.Dst)
-		remove := true
-		for _, allowedIP := range allowedIPs {
-			if netlinkAddr == allowedIP {
-				remove = false
-				break
-			}
-		}
-
-		if !remove {
-			continue
-		}
-
-		err := m.nl.RouteDel(&rawRoute)
-		if err != nil {
-			return fmt.Errorf("failed to remove deprecated route %s: %w", netlinkAddr.String(), err)
-		}
+		return fmt.Errorf("failed to remove routes for interface %s: %w", info.Interface.Identifier, err)
 	}
 	return nil
 }
-
-func (m Manager) getRoutingTableAndFwMark(iface *domain.Interface, link netlink.Link) (
-	table int,
-	fwmark uint32,
-	err error,
-) {
-	table = iface.GetRoutingTable()
-	fwmark = iface.FirewallMark
-
-	if fwmark == 0 {
-		// generate a new (temporary) firewall mark based on the interface index
-		fwmark = uint32(m.cfg.Advanced.RouteTableOffset + link.Attrs().Index)
-		slog.Debug("using fwmark to handle routes",
-			"interface", iface.Identifier,
-			"fwmark", fwmark)
-
-		// apply the temporary fwmark to the wireguard interface
-		err = m.setFwMark(iface.Identifier, int(fwmark))
-	}
-	if table == 0 {
-		table = int(fwmark) // generate a new routing table base on interface index
-		slog.Debug("using routing table to handle default routes",
-			"interface", iface.Identifier,
-			"table", table)
-	}
-	return
-}
-
-func (m Manager) setFwMark(id domain.InterfaceIdentifier, fwmark int) error {
-	err := m.wg.ConfigureDevice(string(id), wgtypes.Config{
-		FirewallMark: &fwmark,
-	})
-	if err != nil {
-		return fmt.Errorf("failed to update fwmark to: %d: %w", fwmark, err)
-	}
-	return nil
-}
-
-func (m Manager) containsDefaultRoute(allowedIPs []domain.Cidr) (ipV4, ipV6 bool) {
-	for _, allowedIP := range allowedIPs {
-		if ipV4 && ipV6 {
-			break // speed up
-		}
-
-		if allowedIP.Prefix().Bits() == 0 {
-			if allowedIP.IsV4() {
-				ipV4 = true
-			} else {
-				ipV6 = true
-			}
-		}
-	}
-
-	return
-}

internal/app/users/user_manager.go

@@ -551,6 +551,12 @@ func (m Manager) updateLdapUsers(
 			return fmt.Errorf("failed to convert LDAP data for %v: %w", rawUser["dn"], err)
 		}
 
+		if provider.SyncLogUserInfo {
+			slog.Debug("ldap user data",
+				"raw-user", rawUser, "user", user.Identifier,
+				"is-admin", user.IsAdmin, "provider", provider.ProviderName)
+		}
+
 		existingUser, err := m.users.GetUser(ctx, user.Identifier)
 		if err != nil && !errors.Is(err, domain.ErrNotFound) {
 			return fmt.Errorf("find error for user id %s: %w", user.Identifier, err)

internal/app/wireguard/controller_manager.go

@@ -1,7 +1,6 @@
 package wireguard
 
 import (
-	"context"
 	"fmt"
 	"log/slog"
 	"maps"
@@ -12,33 +11,9 @@ import (
 	"github.com/h44z/wg-portal/internal/domain"
 )
 
-type InterfaceController interface {
-	GetId() domain.InterfaceBackend
-	GetInterfaces(_ context.Context) ([]domain.PhysicalInterface, error)
-	GetInterface(_ context.Context, id domain.InterfaceIdentifier) (*domain.PhysicalInterface, error)
-	GetPeers(_ context.Context, deviceId domain.InterfaceIdentifier) ([]domain.PhysicalPeer, error)
-	SaveInterface(
-		_ context.Context,
-		id domain.InterfaceIdentifier,
-		updateFunc func(pi *domain.PhysicalInterface) (*domain.PhysicalInterface, error),
-	) error
-	DeleteInterface(_ context.Context, id domain.InterfaceIdentifier) error
-	SavePeer(
-		_ context.Context,
-		deviceId domain.InterfaceIdentifier,
-		id domain.PeerIdentifier,
-		updateFunc func(pp *domain.PhysicalPeer) (*domain.PhysicalPeer, error),
-	) error
-	DeletePeer(_ context.Context, deviceId domain.InterfaceIdentifier, id domain.PeerIdentifier) error
-	PingAddresses(
-		ctx context.Context,
-		addr string,
-	) (*domain.PingerResult, error)
-}
-
 type backendInstance struct {
 	Config         config.BackendBase // Config is the configuration for the backend instance.
-	Implementation InterfaceController
+	Implementation domain.InterfaceController
 }
 
 type ControllerManager struct {
@@ -69,6 +44,10 @@ func (c *ControllerManager) init() error {
 		return err
 	}
 
+	if err := c.registerPfsenseControllers(); err != nil {
+		return err
+	}
+
 	c.logRegisteredControllers()
 
 	return nil
@@ -111,6 +90,26 @@ func (c *ControllerManager) registerMikrotikControllers() error {
 	return nil
 }
 
+func (c *ControllerManager) registerPfsenseControllers() error {
+	for _, backendConfig := range c.cfg.Backend.Pfsense {
+		if backendConfig.Id == config.LocalBackendName {
+			slog.Warn("skipping registration of pfSense controller with reserved ID", "id", config.LocalBackendName)
+			continue
+		}
+
+		controller, err := wgcontroller.NewPfsenseController(c.cfg, &backendConfig)
+		if err != nil {
+			return fmt.Errorf("failed to create pfSense controller for backend %s: %w", backendConfig.Id, err)
+		}
+
+		c.controllers[domain.InterfaceBackend(backendConfig.Id)] = backendInstance{
+			Config:         backendConfig.BackendBase,
+			Implementation: controller,
+		}
+	}
+	return nil
+}
+
 func (c *ControllerManager) logRegisteredControllers() {
 	for backend, controller := range c.controllers {
 		slog.Debug("backend controller registered",
@@ -118,11 +117,11 @@ func (c *ControllerManager) logRegisteredControllers() {
 	}
 }
 
-func (c *ControllerManager) GetControllerByName(backend domain.InterfaceBackend) InterfaceController {
+func (c *ControllerManager) GetControllerByName(backend domain.InterfaceBackend) domain.InterfaceController {
 	return c.getController(backend, "").Implementation
 }
 
-func (c *ControllerManager) GetController(iface domain.Interface) InterfaceController {
+func (c *ControllerManager) GetController(iface domain.Interface) domain.InterfaceController {
 	return c.getController(iface.Backend, iface.Identifier).Implementation
 }
 

internal/app/wireguard/wireguard.go

@@ -38,9 +38,9 @@ type InterfaceAndPeerDatabaseRepo interface {
 }
 
 type WgQuickController interface {
-	ExecuteInterfaceHook(id domain.InterfaceIdentifier, hookCmd string) error
-	SetDNS(id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error
-	UnsetDNS(id domain.InterfaceIdentifier) error
+	ExecuteInterfaceHook(ctx context.Context, id domain.InterfaceIdentifier, hookCmd string) error
+	SetDNS(ctx context.Context, id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error
+	UnsetDNS(ctx context.Context, id domain.InterfaceIdentifier, dnsStr, dnsSearchStr string) error
 }
 
 type EventBus interface {
@@ -53,11 +53,10 @@ type EventBus interface {
 // endregion dependencies
 
 type Manager struct {
-	cfg   *config.Config
-	bus   EventBus
-	db    InterfaceAndPeerDatabaseRepo
-	wg    *ControllerManager
-	quick WgQuickController
+	cfg *config.Config
+	bus EventBus
+	db  InterfaceAndPeerDatabaseRepo
+	wg  *ControllerManager
 
 	userLockMap *sync.Map
 }
@@ -66,7 +65,6 @@ func NewWireGuardManager(
 	cfg *config.Config,
 	bus EventBus,
 	wg *ControllerManager,
-	quick WgQuickController,
 	db InterfaceAndPeerDatabaseRepo,
 ) (*Manager, error) {
 	m := &Manager{
@@ -74,7 +72,6 @@ func NewWireGuardManager(
 		bus:         bus,
 		wg:          wg,
 		db:          db,
-		quick:       quick,
 		userLockMap: &sync.Map{},
 	}
 

internal/app/wireguard/wireguard_interfaces.go

@@ -7,6 +7,7 @@ import (
 	"log/slog"
 	"os"
 	"slices"
+	"strings"
 	"time"
 
 	"github.com/h44z/wg-portal/internal/app"
@@ -453,7 +454,7 @@ func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentif
 		return err
 	}
 
-	existingInterface, err := m.db.GetInterface(ctx, id)
+	existingInterface, existingPeers, err := m.db.GetInterfaceAndPeers(ctx, id)
 	if err != nil {
 		return fmt.Errorf("unable to find interface %s: %w", id, err)
 	}
@@ -462,21 +463,29 @@ func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentif
 		return fmt.Errorf("deletion not allowed: %w", err)
 	}
 
+	m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
+		Interface:  *existingInterface,
+		AllowedIps: existingInterface.GetAllowedIPs(existingPeers),
+		FwMark:     existingInterface.FirewallMark,
+		Table:      existingInterface.GetRoutingTable(),
+		TableStr:   existingInterface.RoutingTable,
+		IsDeleted:  true,
+	})
+
 	now := time.Now()
 	existingInterface.Disabled = &now // simulate a disabled interface
 	existingInterface.DisabledReason = domain.DisabledReasonDeleted
 
-	physicalInterface, _ := m.wg.GetController(*existingInterface).GetInterface(ctx, id)
-
-	if err := m.handleInterfacePreSaveHooks(existingInterface, !existingInterface.IsDisabled(), false); err != nil {
+	if err := m.handleInterfacePreSaveHooks(ctx, existingInterface, !existingInterface.IsDisabled(),
+		false); err != nil {
 		return fmt.Errorf("pre-delete hooks failed: %w", err)
 	}
 
-	if err := m.handleInterfacePreSaveActions(existingInterface); err != nil {
+	if err := m.handleInterfacePreSaveActions(ctx, existingInterface); err != nil {
 		return fmt.Errorf("pre-delete actions failed: %w", err)
 	}
 
-	if err := m.deleteInterfacePeers(ctx, id); err != nil {
+	if err := m.deleteInterfacePeers(ctx, existingInterface, existingPeers); err != nil {
 		return fmt.Errorf("peer deletion failure: %w", err)
 	}
 
@@ -488,16 +497,12 @@ func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentif
 		return fmt.Errorf("deletion failure: %w", err)
 	}
 
-	fwMark := existingInterface.FirewallMark
-	if physicalInterface != nil && fwMark == 0 {
-		fwMark = physicalInterface.FirewallMark
-	}
-	m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
-		FwMark: fwMark,
-		Table:  existingInterface.GetRoutingTable(),
-	})
-
-	if err := m.handleInterfacePostSaveHooks(existingInterface, !existingInterface.IsDisabled(), false); err != nil {
+	if err := m.handleInterfacePostSaveHooks(
+		ctx,
+		existingInterface,
+		!existingInterface.IsDisabled(),
+		false,
+	); err != nil {
 		return fmt.Errorf("post-delete hooks failed: %w", err)
 	}
 
@@ -516,17 +521,21 @@ func (m Manager) saveInterface(ctx context.Context, iface *domain.Interface) (
 		return nil, fmt.Errorf("interface validation failed: %w", err)
 	}
 
-	oldEnabled, newEnabled := m.getInterfaceStateHistory(ctx, iface)
+	oldEnabled, newEnabled, routeTableChanged := false, !iface.IsDisabled(), false // if the interface did not exist, we assume it was not enabled
+	oldInterface, err := m.db.GetInterface(ctx, iface.Identifier)
+	if err == nil {
+		oldEnabled, newEnabled, routeTableChanged = m.getInterfaceStateHistory(oldInterface, iface)
+	}
 
-	if err := m.handleInterfacePreSaveHooks(iface, oldEnabled, newEnabled); err != nil {
+	if err := m.handleInterfacePreSaveHooks(ctx, iface, oldEnabled, newEnabled); err != nil {
 		return nil, fmt.Errorf("pre-save hooks failed: %w", err)
 	}
 
-	if err := m.handleInterfacePreSaveActions(iface); err != nil {
+	if err := m.handleInterfacePreSaveActions(ctx, iface); err != nil {
 		return nil, fmt.Errorf("pre-save actions failed: %w", err)
 	}
 
-	err := m.db.SaveInterface(ctx, iface.Identifier, func(i *domain.Interface) (*domain.Interface, error) {
+	err = m.db.SaveInterface(ctx, iface.Identifier, func(i *domain.Interface) (*domain.Interface, error) {
 		iface.CopyCalculatedAttributes(i)
 
 		err := m.wg.GetController(*iface).SaveInterface(ctx, iface.Identifier,
@@ -569,20 +578,35 @@ func (m Manager) saveInterface(ctx context.Context, iface *domain.Interface) (
 	}
 
 	if iface.IsDisabled() {
-		physicalInterface, _ := m.wg.GetController(*iface).GetInterface(ctx, iface.Identifier)
-		fwMark := iface.FirewallMark
-		if physicalInterface != nil && fwMark == 0 {
-			fwMark = physicalInterface.FirewallMark
-		}
 		m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
-			FwMark: fwMark,
-			Table:  iface.GetRoutingTable(),
+			Interface:  *iface,
+			AllowedIps: iface.GetAllowedIPs(peers),
+			FwMark:     iface.FirewallMark,
+			Table:      iface.GetRoutingTable(),
+			TableStr:   iface.RoutingTable,
 		})
 	} else {
-		m.bus.Publish(app.TopicRouteUpdate, "interface updated: "+string(iface.Identifier))
+		m.bus.Publish(app.TopicRouteUpdate, domain.RoutingTableInfo{
+			Interface:  *iface,
+			AllowedIps: iface.GetAllowedIPs(peers),
+			FwMark:     iface.FirewallMark,
+			Table:      iface.GetRoutingTable(),
+			TableStr:   iface.RoutingTable,
+		})
+		// if the route table changed, ensure that the old entries are remove
+		if routeTableChanged {
+			m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
+				Interface:  *oldInterface,
+				AllowedIps: oldInterface.GetAllowedIPs(peers),
+				FwMark:     oldInterface.FirewallMark,
+				Table:      oldInterface.GetRoutingTable(),
+				TableStr:   oldInterface.RoutingTable,
+				IsDeleted:  true, // mark the old entries as deleted
+			})
+		}
 	}
 
-	if err := m.handleInterfacePostSaveHooks(iface, oldEnabled, newEnabled); err != nil {
+	if err := m.handleInterfacePostSaveHooks(ctx, iface, oldEnabled, newEnabled); err != nil {
 		return nil, fmt.Errorf("post-save hooks failed: %w", err)
 	}
 
@@ -618,60 +642,90 @@ func (m Manager) saveInterface(ctx context.Context, iface *domain.Interface) (
 	return iface, nil
 }
 
-func (m Manager) getInterfaceStateHistory(ctx context.Context, iface *domain.Interface) (oldEnabled, newEnabled bool) {
-	oldInterface, err := m.db.GetInterface(ctx, iface.Identifier)
-	if err != nil {
-		return false, !iface.IsDisabled() // if the interface did not exist, we assume it was not enabled
-	}
-
-	return !oldInterface.IsDisabled(), !iface.IsDisabled()
+func (m Manager) getInterfaceStateHistory(
+	oldInterface *domain.Interface,
+	iface *domain.Interface,
+) (oldEnabled, newEnabled, routeTableChanged bool) {
+	return !oldInterface.IsDisabled(), !iface.IsDisabled(), oldInterface.RoutingTable != iface.RoutingTable
 }
 
-func (m Manager) handleInterfacePreSaveActions(iface *domain.Interface) error {
-	if !iface.IsDisabled() {
-		if err := m.quick.SetDNS(iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
-			return fmt.Errorf("failed to update dns settings: %w", err)
-		}
-	} else {
-		if err := m.quick.UnsetDNS(iface.Identifier); err != nil {
-			return fmt.Errorf("failed to clear dns settings: %w", err)
+func (m Manager) handleInterfacePreSaveActions(ctx context.Context, iface *domain.Interface) error {
+	wgQuickController, ok := m.wg.GetController(*iface).(WgQuickController)
+	if !ok {
+		slog.Warn("failed to perform pre-save actions", "interface", iface.Identifier,
+			"error", "no capable controller found")
+		return nil
+	}
+
+	// update DNS settings only for client interfaces
+	if iface.Type == domain.InterfaceTypeClient || iface.Type == domain.InterfaceTypeAny {
+		if !iface.IsDisabled() {
+			if err := wgQuickController.SetDNS(ctx, iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
+				return fmt.Errorf("failed to update dns settings: %w", err)
+			}
+		} else {
+			if err := wgQuickController.UnsetDNS(ctx, iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
+				return fmt.Errorf("failed to clear dns settings: %w", err)
+			}
 		}
 	}
 	return nil
 }
 
-func (m Manager) handleInterfacePreSaveHooks(iface *domain.Interface, oldEnabled, newEnabled bool) error {
+func (m Manager) handleInterfacePreSaveHooks(
+	ctx context.Context,
+	iface *domain.Interface,
+	oldEnabled, newEnabled bool,
+) error {
 	if oldEnabled == newEnabled {
 		return nil // do nothing if state did not change
 	}
 
 	slog.Debug("executing pre-save hooks", "interface", iface.Identifier, "up", newEnabled)
 
+	wgQuickController, ok := m.wg.GetController(*iface).(WgQuickController)
+	if !ok {
+		slog.Warn("failed to execute pre-save hooks", "interface", iface.Identifier, "up", newEnabled,
+			"error", "no capable controller found")
+		return nil
+	}
+
 	if newEnabled {
-		if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PreUp); err != nil {
+		if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PreUp); err != nil {
 			return fmt.Errorf("failed to execute pre-up hook: %w", err)
 		}
 	} else {
-		if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PreDown); err != nil {
+		if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PreDown); err != nil {
 			return fmt.Errorf("failed to execute pre-down hook: %w", err)
 		}
 	}
 	return nil
 }
 
-func (m Manager) handleInterfacePostSaveHooks(iface *domain.Interface, oldEnabled, newEnabled bool) error {
+func (m Manager) handleInterfacePostSaveHooks(
+	ctx context.Context,
+	iface *domain.Interface,
+	oldEnabled, newEnabled bool,
+) error {
 	if oldEnabled == newEnabled {
 		return nil // do nothing if state did not change
 	}
 
 	slog.Debug("executing post-save hooks", "interface", iface.Identifier, "up", newEnabled)
 
+	wgQuickController, ok := m.wg.GetController(*iface).(WgQuickController)
+	if !ok {
+		slog.Warn("failed to execute post-save hooks", "interface", iface.Identifier, "up", newEnabled,
+			"error", "no capable controller found")
+		return nil
+	}
+
 	if newEnabled {
-		if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PostUp); err != nil {
+		if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PostUp); err != nil {
 			return fmt.Errorf("failed to execute post-up hook: %w", err)
 		}
 	} else {
-		if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PostDown); err != nil {
+		if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PostDown); err != nil {
 			return fmt.Errorf("failed to execute post-down hook: %w", err)
 		}
 	}
@@ -799,7 +853,7 @@ func (m Manager) getFreshListenPort(ctx context.Context) (port int, err error) {
 
 func (m Manager) importInterface(
 	ctx context.Context,
-	backend InterfaceController,
+	backend domain.InterfaceController,
 	in *domain.PhysicalInterface,
 	peers []domain.PhysicalPeer,
 ) error {
@@ -814,6 +868,17 @@ func (m Manager) importInterface(
 	iface.Backend = backend.GetId()
 	iface.PeerDefAllowedIPsStr = iface.AddressStr()
 
+	// For pfSense backends, extract endpoint and DNS from peers
+	if backend.GetId() == domain.ControllerTypePfsense {
+		endpoint, dns := extractPfsenseDefaultsFromPeers(peers, iface.ListenPort)
+		if endpoint != "" {
+			iface.PeerDefEndpoint = endpoint
+		}
+		if dns != "" {
+			iface.PeerDefDnsStr = dns
+		}
+	}
+
 	// try to predict the interface type based on the number of peers
 	switch len(peers) {
 	case 0:
@@ -851,6 +916,61 @@ func (m Manager) importInterface(
 	return nil
 }
 
+// extractPfsenseDefaultsFromPeers extracts common endpoint and DNS information from peers
+// For server interfaces, peers typically have endpoints pointing to the server, so we use the most common one
+func extractPfsenseDefaultsFromPeers(peers []domain.PhysicalPeer, listenPort int) (endpoint, dns string) {
+	if len(peers) == 0 {
+		return "", ""
+	}
+
+	// Count endpoint occurrences to find the most common one
+	endpointCounts := make(map[string]int)
+	dnsValues := make(map[string]int)
+
+	for _, peer := range peers {
+		// Extract endpoint from peer
+		if peer.Endpoint != "" {
+			endpointCounts[peer.Endpoint]++
+		}
+
+		// Extract DNS from peer extras if available
+		if extras := peer.GetExtras(); extras != nil {
+			if pfsenseExtras, ok := extras.(domain.PfsensePeerExtras); ok {
+				if pfsenseExtras.ClientDns != "" {
+					dnsValues[pfsenseExtras.ClientDns]++
+				}
+			}
+		}
+	}
+
+	// Find the most common endpoint
+	maxCount := 0
+	for ep, count := range endpointCounts {
+		if count > maxCount {
+			maxCount = count
+			endpoint = ep
+		}
+	}
+
+	// If endpoint doesn't have a port and we have a listenPort, add it
+	if endpoint != "" && listenPort > 0 {
+		if !strings.Contains(endpoint, ":") {
+			endpoint = fmt.Sprintf("%s:%d", endpoint, listenPort)
+		}
+	}
+
+	// Find the most common DNS
+	maxDnsCount := 0
+	for dnsVal, count := range dnsValues {
+		if count > maxDnsCount {
+			maxDnsCount = count
+			dns = dnsVal
+		}
+	}
+
+	return endpoint, dns
+}
+
 func (m Manager) importPeer(ctx context.Context, in *domain.Interface, p *domain.PhysicalPeer) error {
 	now := time.Now()
 	peer := domain.ConvertPhysicalPeer(p)
@@ -901,13 +1021,9 @@ func (m Manager) importPeer(ctx context.Context, in *domain.Interface, p *domain
 	return nil
 }
 
-func (m Manager) deleteInterfacePeers(ctx context.Context, id domain.InterfaceIdentifier) error {
-	iface, allPeers, err := m.db.GetInterfaceAndPeers(ctx, id)
-	if err != nil {
-		return err
-	}
+func (m Manager) deleteInterfacePeers(ctx context.Context, iface *domain.Interface, allPeers []domain.Peer) error {
 	for _, peer := range allPeers {
-		err = m.wg.GetController(*iface).DeletePeer(ctx, id, peer.Identifier)
+		err := m.wg.GetController(*iface).DeletePeer(ctx, iface.Identifier, peer.Identifier)
 		if err != nil && !errors.Is(err, os.ErrNotExist) {
 			return fmt.Errorf("wireguard peer deletion failure for %s: %w", peer.Identifier, err)
 		}

internal/app/wireguard/wireguard_peers.go

@@ -388,9 +388,20 @@ func (m Manager) DeletePeer(ctx context.Context, id domain.PeerIdentifier) error
 		return fmt.Errorf("failed to delete peer %s: %w", id, err)
 	}
 
+	peers, err := m.db.GetInterfacePeers(ctx, iface.Identifier)
+	if err != nil {
+		return fmt.Errorf("failed to load peers for interface %s: %w", iface.Identifier, err)
+	}
+
 	m.bus.Publish(app.TopicPeerDeleted, *peer)
 	// Update routes after peers have changed
-	m.bus.Publish(app.TopicRouteUpdate, "peers updated")
+	m.bus.Publish(app.TopicRouteUpdate, domain.RoutingTableInfo{
+		Interface:  *iface,
+		AllowedIps: iface.GetAllowedIPs(peers),
+		FwMark:     iface.FirewallMark,
+		Table:      iface.GetRoutingTable(),
+		TableStr:   iface.RoutingTable,
+	})
 	// Update interface after peers have changed
 	m.bus.Publish(app.TopicPeerInterfaceUpdated, peer.InterfaceIdentifier)
 
@@ -438,20 +449,26 @@ func (m Manager) GetUserPeerStats(ctx context.Context, id domain.UserIdentifier)
 // region helper-functions
 
 func (m Manager) savePeers(ctx context.Context, peers ...*domain.Peer) error {
-	interfaces := make(map[domain.InterfaceIdentifier]struct{})
+	interfaces := make(map[domain.InterfaceIdentifier]domain.Interface)
 
 	for _, peer := range peers {
-		iface, err := m.db.GetInterface(ctx, peer.InterfaceIdentifier)
-		if err != nil {
-			return fmt.Errorf("unable to find interface %s: %w", peer.InterfaceIdentifier, err)
+		// get interface from db if it is not yet in the map
+		if _, ok := interfaces[peer.InterfaceIdentifier]; !ok {
+			iface, err := m.db.GetInterface(ctx, peer.InterfaceIdentifier)
+			if err != nil {
+				return fmt.Errorf("unable to find interface %s: %w", peer.InterfaceIdentifier, err)
+			}
+			interfaces[peer.InterfaceIdentifier] = *iface
 		}
 
+		iface := interfaces[peer.InterfaceIdentifier]
+
 		// Always save the peer to the backend, regardless of disabled/expired state
 		// The backend will handle the disabled state appropriately
-		err = m.db.SavePeer(ctx, peer.Identifier, func(p *domain.Peer) (*domain.Peer, error) {
+		err := m.db.SavePeer(ctx, peer.Identifier, func(p *domain.Peer) (*domain.Peer, error) {
 			peer.CopyCalculatedAttributes(p)
 
-			err := m.wg.GetController(*iface).SavePeer(ctx, peer.InterfaceIdentifier, peer.Identifier,
+			err := m.wg.GetController(iface).SavePeer(ctx, peer.InterfaceIdentifier, peer.Identifier,
 				func(pp *domain.PhysicalPeer) (*domain.PhysicalPeer, error) {
 					domain.MergeToPhysicalPeer(pp, peer)
 					return pp, nil
@@ -475,13 +492,22 @@ func (m Manager) savePeers(ctx context.Context, peers ...*domain.Peer) error {
 				Peer:   *peer,
 			},
 		})
-
-		interfaces[peer.InterfaceIdentifier] = struct{}{}
 	}
 
 	// Update routes after peers have changed
-	if len(interfaces) != 0 {
-		m.bus.Publish(app.TopicRouteUpdate, "peers updated")
+	for id, iface := range interfaces {
+		interfacePeers, err := m.db.GetInterfacePeers(ctx, id)
+		if err != nil {
+			return fmt.Errorf("failed to re-load peers for interface %s: %w", id, err)
+		}
+
+		m.bus.Publish(app.TopicRouteUpdate, domain.RoutingTableInfo{
+			Interface:  iface,
+			AllowedIps: iface.GetAllowedIPs(interfacePeers),
+			FwMark:     iface.FirewallMark,
+			Table:      iface.GetRoutingTable(),
+			TableStr:   iface.RoutingTable,
+		})
 	}
 
 	for iface := range interfaces {

internal/config/auth.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"fmt"
 	"log/slog"
 	"regexp"
 	"time"
@@ -125,6 +126,45 @@ type LdapFields struct {
 	GroupMembership string `yaml:"memberof"`
 }
 
+// getMappingWithDefaults returns a full field mapping for the LDAP provider.
+// If specific fields are not set, the default values are used.
+func (f LdapFields) getMappingWithDefaults() LdapFields {
+	defaultMap := LdapFields{
+		BaseFields: BaseFields{
+			UserIdentifier: "mail",
+			Email:          "mail",
+			Firstname:      "givenName",
+			Lastname:       "sn",
+			Phone:          "telephoneNumber",
+			Department:     "department",
+		},
+		GroupMembership: "memberOf",
+	}
+	if f.UserIdentifier != "" {
+		defaultMap.UserIdentifier = f.UserIdentifier
+	}
+	if f.Email != "" {
+		defaultMap.Email = f.Email
+	}
+	if f.Firstname != "" {
+		defaultMap.Firstname = f.Firstname
+	}
+	if f.Lastname != "" {
+		defaultMap.Lastname = f.Lastname
+	}
+	if f.Phone != "" {
+		defaultMap.Phone = f.Phone
+	}
+	if f.Department != "" {
+		defaultMap.Department = f.Department
+	}
+	if f.GroupMembership != "" {
+		defaultMap.GroupMembership = f.GroupMembership
+	}
+
+	return defaultMap
+}
+
 // LdapProvider contains the configuration for the LDAP connection.
 type LdapProvider struct {
 	// ProviderName is an internal name that is used to distinguish LDAP servers. It must not contain spaces or special characters.
@@ -168,6 +208,8 @@ type LdapProvider struct {
 	SyncFilter string `yaml:"sync_filter"`
 	// SyncInterval is the interval between consecutive LDAP user syncs. If it is 0, sync is disabled.
 	SyncInterval time.Duration `yaml:"sync_interval"`
+	// If SyncLogUserInfo is set to true, the user info retrieved from the LDAP provider during a sync-run will be logged in trace level.
+	SyncLogUserInfo bool `yaml:"sync_log_user_info"`
 
 	// If RegistrationEnabled is set to true, wg-portal will create new users that do not exist in the database.
 	RegistrationEnabled bool `yaml:"registration_enabled"`
@@ -176,6 +218,19 @@ type LdapProvider struct {
 	LogUserInfo bool `yaml:"log_user_info"`
 }
 
+// Sanitize checks the LDAP configuration and sets default values for missing fields.
+func (l *LdapProvider) Sanitize() error {
+	l.FieldMap = l.FieldMap.getMappingWithDefaults()
+
+	dn, err := ldap.ParseDN(l.AdminGroupDN)
+	if err != nil {
+		return fmt.Errorf("failed to parse admin group DN: %w", err)
+	}
+	l.ParsedAdminGroupDN = dn
+
+	return nil
+}
+
 // OpenIDConnectProvider contains the configuration for the OpenID Connect provider.
 type OpenIDConnectProvider struct {
 	// ProviderName is an internal name that is used to distinguish oauth endpoints. It must not contain spaces or special characters.
@@ -211,6 +266,10 @@ type OpenIDConnectProvider struct {
 
 	// If LogUserInfo is set to true, the user info retrieved from the OIDC provider will be logged in trace level.
 	LogUserInfo bool `yaml:"log_user_info"`
+
+	// If LogSensitiveInfo is set to true, sensitive information retrieved from the OIDC provider will be logged in trace level.
+	// This also includes OAuth tokens! Keep this disabled in production!
+	LogSensitiveInfo bool `yaml:"log_sensitive_info"`
 }
 
 // OAuthProvider contains the configuration for the OAuth provider.
@@ -252,6 +311,10 @@ type OAuthProvider struct {
 
 	// If LogUserInfo is set to true, the user info retrieved from the OAuth provider will be logged in trace level.
 	LogUserInfo bool `yaml:"log_user_info"`
+
+	// If LogSensitiveInfo is set to true, sensitive information retrieved from the OAuth provider will be logged in trace level.
+	// This also includes OAuth tokens! Keep this disabled in production!
+	LogSensitiveInfo bool `yaml:"log_sensitive_info"`
 }
 
 // WebauthnConfig contains the configuration for the WebAuthn authenticator.

internal/config/backend.go

@@ -13,10 +13,12 @@ type Backend struct {
 	// Local Backend-specific configuration
 
 	IgnoredLocalInterfaces []string `yaml:"ignored_local_interfaces"` // A list of interface names that should be ignored by this backend (e.g., "wg0")
+	LocalResolvconfPrefix  string   `yaml:"local_resolvconf_prefix"`  // The prefix to use for interface names when passing them to resolvconf.
 
 	// External Backend-specific configuration
 
 	Mikrotik []BackendMikrotik `yaml:"mikrotik"`
+	Pfsense  []BackendPfsense  `yaml:"pfsense"`
 }
 
 // Validate checks the backend configuration for errors.
@@ -35,6 +37,15 @@ func (b *Backend) Validate() error {
 		}
 		uniqueMap[backend.Id] = struct{}{}
 	}
+	for _, backend := range b.Pfsense {
+		if backend.Id == LocalBackendName {
+			return fmt.Errorf("backend ID %q is a reserved keyword", LocalBackendName)
+		}
+		if _, exists := uniqueMap[backend.Id]; exists {
+			return fmt.Errorf("backend ID %q is not unique", backend.Id)
+		}
+		uniqueMap[backend.Id] = struct{}{}
+	}
 
 	if b.Default != LocalBackendName {
 		if _, ok := uniqueMap[b.Default]; !ok {
@@ -100,3 +111,42 @@ func (b *BackendMikrotik) GetApiTimeout() time.Duration {
 	}
 	return b.ApiTimeout
 }
+
+type BackendPfsense struct {
+	BackendBase `yaml:",inline"` // Embed the base fields
+
+	ApiUrl       string        `yaml:"api_url"` // The base URL of the pfSense REST API (e.g., "https://pfsense.example.com/api/v2")
+	ApiKey       string        `yaml:"api_key"` // API key for authentication (generated in pfSense under 'System' -> 'REST API' -> 'Keys')
+	ApiVerifyTls bool          `yaml:"api_verify_tls"` // Whether to verify the TLS certificate of the pfSense API
+	ApiTimeout   time.Duration `yaml:"api_timeout"`    // Timeout for API requests (default: 30 seconds)
+
+	// Concurrency controls the maximum number of concurrent API requests that this backend will issue
+	// when enumerating interfaces and their details. If 0 or negative, a default of 5 is used.
+	Concurrency int `yaml:"concurrency"`
+
+	Debug bool `yaml:"debug"` // Enable debug logging for the pfSense backend
+}
+
+// GetConcurrency returns the configured concurrency for this backend or a sane default (5)
+// when the configured value is zero or negative.
+func (b *BackendPfsense) GetConcurrency() int {
+	if b == nil {
+		return 5
+	}
+	if b.Concurrency <= 0 {
+		return 5
+	}
+	return b.Concurrency
+}
+
+// GetApiTimeout returns the configured API timeout or a sane default (30 seconds)
+// when the configured value is zero or negative.
+func (b *BackendPfsense) GetApiTimeout() time.Duration {
+	if b == nil {
+		return 30 * time.Second
+	}
+	if b.ApiTimeout <= 0 {
+		return 30 * time.Second
+	}
+	return b.ApiTimeout
+}

internal/config/config.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"log/slog"
 	"os"
+	"strconv"
+	"strings"
 	"time"
 
 	"github.com/a8m/envsubst"
@@ -114,79 +116,96 @@ func (c *Config) LogStartupValues() {
 func defaultConfig() *Config {
 	cfg := &Config{}
 
-	cfg.Core.AdminUserDisabled = false
-	cfg.Core.AdminUser = "admin@wgportal.local"
-	cfg.Core.AdminPassword = "wgportal-default"
-	cfg.Core.AdminApiToken = "" // by default, the API access is disabled
-	cfg.Core.ImportExisting = true
-	cfg.Core.RestoreState = true
-	cfg.Core.CreateDefaultPeer = false
-	cfg.Core.CreateDefaultPeerOnCreation = false
-	cfg.Core.EditableKeys = true
-	cfg.Core.SelfProvisioningAllowed = false
-	cfg.Core.ReEnablePeerAfterUserEnable = true
-	cfg.Core.DeletePeerAfterUserDeleted = false
+	cfg.Core.AdminUserDisabled = getEnvBool("WG_PORTAL_CORE_DISABLE_ADMIN_USER", false)
+	cfg.Core.AdminUser = getEnvStr("WG_PORTAL_CORE_ADMIN_USER", "admin@wgportal.local")
+	cfg.Core.AdminPassword = getEnvStr("WG_PORTAL_CORE_ADMIN_PASSWORD", "wgportal-default")
+	cfg.Core.AdminApiToken = getEnvStr("WG_PORTAL_CORE_ADMIN_API_TOKEN", "") // by default, the API access is disabled
+	cfg.Core.ImportExisting = getEnvBool("WG_PORTAL_CORE_IMPORT_EXISTING", true)
+	cfg.Core.RestoreState = getEnvBool("WG_PORTAL_CORE_RESTORE_STATE", true)
+	cfg.Core.CreateDefaultPeer = getEnvBool("WG_PORTAL_CORE_CREATE_DEFAULT_PEER", false)
+	cfg.Core.CreateDefaultPeerOnCreation = getEnvBool("WG_PORTAL_CORE_CREATE_DEFAULT_PEER_ON_CREATION", false)
+	cfg.Core.EditableKeys = getEnvBool("WG_PORTAL_CORE_EDITABLE_KEYS", true)
+	cfg.Core.SelfProvisioningAllowed = getEnvBool("WG_PORTAL_CORE_SELF_PROVISIONING_ALLOWED", false)
+	cfg.Core.ReEnablePeerAfterUserEnable = getEnvBool("WG_PORTAL_CORE_RE_ENABLE_PEER_AFTER_USER_ENABLE", true)
+	cfg.Core.DeletePeerAfterUserDeleted = getEnvBool("WG_PORTAL_CORE_DELETE_PEER_AFTER_USER_DELETED", false)
 
 	cfg.Database = DatabaseConfig{
-		Type: "sqlite",
-		DSN:  "data/sqlite.db",
+		Debug:                getEnvBool("WG_PORTAL_DATABASE_DEBUG", false),
+		SlowQueryThreshold:   getEnvDuration("WG_PORTAL_DATABASE_SLOW_QUERY_THRESHOLD", 0),
+		Type:                 SupportedDatabase(getEnvStr("WG_PORTAL_DATABASE_TYPE", "sqlite")),
+		DSN:                  getEnvStr("WG_PORTAL_DATABASE_DSN", "data/sqlite.db"),
+		EncryptionPassphrase: getEnvStr("WG_PORTAL_DATABASE_ENCRYPTION_PASSPHRASE", ""),
 	}
 
 	cfg.Backend = Backend{
-		Default: LocalBackendName, // local backend is the default (using wgcrtl)
+		Default:                LocalBackendName, // local backend is the default (using wgcrtl)
+		IgnoredLocalInterfaces: getEnvStrSlice("WG_PORTAL_BACKEND_IGNORED_LOCAL_INTERFACES", nil),
+		// Most resolconf implementations use "tun." as a prefix for interface names.
+		// But systemd's implementation uses no prefix, for example.
+		LocalResolvconfPrefix: getEnvStr("WG_PORTAL_BACKEND_LOCAL_RESOLVCONF_PREFIX", "tun."),
 	}
 
 	cfg.Web = WebConfig{
-		RequestLogging:    false,
-		ExternalUrl:       "http://localhost:8888",
-		ListeningAddress:  ":8888",
-		SessionIdentifier: "wgPortalSession",
-		SessionSecret:     "very_secret",
-		CsrfSecret:        "extremely_secret",
-		SiteTitle:         "WireGuard Portal",
-		SiteCompanyName:   "WireGuard Portal",
+		RequestLogging:    getEnvBool("WG_PORTAL_WEB_REQUEST_LOGGING", false),
+		ExposeHostInfo:    getEnvBool("WG_PORTAL_WEB_EXPOSE_HOST_INFO", false),
+		ExternalUrl:       getEnvStr("WG_PORTAL_WEB_EXTERNAL_URL", "http://localhost:8888"),
+		ListeningAddress:  getEnvStr("WG_PORTAL_WEB_LISTENING_ADDRESS", ":8888"),
+		SessionIdentifier: getEnvStr("WG_PORTAL_WEB_SESSION_IDENTIFIER", "wgPortalSession"),
+		SessionSecret:     getEnvStr("WG_PORTAL_WEB_SESSION_SECRET", "very_secret"),
+		CsrfSecret:        getEnvStr("WG_PORTAL_WEB_CSRF_SECRET", "extremely_secret"),
+		SiteTitle:         getEnvStr("WG_PORTAL_WEB_SITE_TITLE", "WireGuard Portal"),
+		SiteCompanyName:   getEnvStr("WG_PORTAL_WEB_SITE_COMPANY_NAME", "WireGuard Portal"),
+		CertFile:          getEnvStr("WG_PORTAL_WEB_CERT_FILE", ""),
+		KeyFile:           getEnvStr("WG_PORTAL_WEB_KEY_FILE", ""),
+		FrontendFilePath:  getEnvStr("WG_PORTAL_WEB_FRONTEND_FILEPATH", ""),
 	}
 
-	cfg.Advanced.LogLevel = "info"
-	cfg.Advanced.StartListenPort = 51820
-	cfg.Advanced.StartCidrV4 = "10.11.12.0/24"
-	cfg.Advanced.StartCidrV6 = "fdfd:d3ad:c0de:1234::0/64"
-	cfg.Advanced.UseIpV6 = true
-	cfg.Advanced.ExpiryCheckInterval = 15 * time.Minute
-	cfg.Advanced.RulePrioOffset = 20000
-	cfg.Advanced.RouteTableOffset = 20000
-	cfg.Advanced.ApiAdminOnly = true
-	cfg.Advanced.LimitAdditionalUserPeers = 0
+	cfg.Advanced.LogLevel = getEnvStr("WG_PORTAL_ADVANCED_LOG_LEVEL", "info")
+	cfg.Advanced.LogPretty = getEnvBool("WG_PORTAL_ADVANCED_LOG_PRETTY", false)
+	cfg.Advanced.LogJson = getEnvBool("WG_PORTAL_ADVANCED_LOG_JSON", false)
+	cfg.Advanced.StartListenPort = getEnvInt("WG_PORTAL_ADVANCED_START_LISTEN_PORT", 51820)
+	cfg.Advanced.StartCidrV4 = getEnvStr("WG_PORTAL_ADVANCED_START_CIDR_V4", "10.11.12.0/24")
+	cfg.Advanced.StartCidrV6 = getEnvStr("WG_PORTAL_ADVANCED_START_CIDR_V6", "fdfd:d3ad:c0de:1234::0/64")
+	cfg.Advanced.UseIpV6 = getEnvBool("WG_PORTAL_ADVANCED_USE_IP_V6", true)
+	cfg.Advanced.ConfigStoragePath = getEnvStr("WG_PORTAL_ADVANCED_CONFIG_STORAGE_PATH", "")
+	cfg.Advanced.ExpiryCheckInterval = getEnvDuration("WG_PORTAL_ADVANCED_EXPIRY_CHECK_INTERVAL", 15*time.Minute)
+	cfg.Advanced.RulePrioOffset = getEnvInt("WG_PORTAL_ADVANCED_RULE_PRIO_OFFSET", 20000)
+	cfg.Advanced.RouteTableOffset = getEnvInt("WG_PORTAL_ADVANCED_ROUTE_TABLE_OFFSET", 20000)
+	cfg.Advanced.ApiAdminOnly = getEnvBool("WG_PORTAL_ADVANCED_API_ADMIN_ONLY", true)
+	cfg.Advanced.LimitAdditionalUserPeers = getEnvInt("WG_PORTAL_ADVANCED_LIMIT_ADDITIONAL_USER_PEERS", 0)
 
-	cfg.Statistics.UsePingChecks = true
-	cfg.Statistics.PingCheckWorkers = 10
-	cfg.Statistics.PingUnprivileged = false
-	cfg.Statistics.PingCheckInterval = 1 * time.Minute
-	cfg.Statistics.DataCollectionInterval = 1 * time.Minute
-	cfg.Statistics.CollectInterfaceData = true
-	cfg.Statistics.CollectPeerData = true
-	cfg.Statistics.CollectAuditData = true
-	cfg.Statistics.ListeningAddress = ":8787"
+	cfg.Statistics.UsePingChecks = getEnvBool("WG_PORTAL_STATISTICS_USE_PING_CHECKS", true)
+	cfg.Statistics.PingCheckWorkers = getEnvInt("WG_PORTAL_STATISTICS_PING_CHECK_WORKERS", 10)
+	cfg.Statistics.PingUnprivileged = getEnvBool("WG_PORTAL_STATISTICS_PING_UNPRIVILEGED", false)
+	cfg.Statistics.PingCheckInterval = getEnvDuration("WG_PORTAL_STATISTICS_PING_CHECK_INTERVAL", 1*time.Minute)
+	cfg.Statistics.DataCollectionInterval = getEnvDuration("WG_PORTAL_STATISTICS_DATA_COLLECTION_INTERVAL",
+		1*time.Minute)
+	cfg.Statistics.CollectInterfaceData = getEnvBool("WG_PORTAL_STATISTICS_COLLECT_INTERFACE_DATA", true)
+	cfg.Statistics.CollectPeerData = getEnvBool("WG_PORTAL_STATISTICS_COLLECT_PEER_DATA", true)
+	cfg.Statistics.CollectAuditData = getEnvBool("WG_PORTAL_STATISTICS_COLLECT_AUDIT_DATA", true)
+	cfg.Statistics.ListeningAddress = getEnvStr("WG_PORTAL_STATISTICS_LISTENING_ADDRESS", ":8787")
 
 	cfg.Mail = MailConfig{
-		Host:           "127.0.0.1",
-		Port:           25,
-		Encryption:     MailEncryptionNone,
-		CertValidation: true,
-		Username:       "",
-		Password:       "",
-		AuthType:       MailAuthPlain,
-		From:           "Wireguard Portal <noreply@wireguard.local>",
-		LinkOnly:       false,
+		Host:           getEnvStr("WG_PORTAL_MAIL_HOST", "127.0.0.1"),
+		Port:           getEnvInt("WG_PORTAL_MAIL_PORT", 25),
+		Encryption:     MailEncryption(getEnvStr("WG_PORTAL_MAIL_ENCRYPTION", string(MailEncryptionNone))),
+		CertValidation: getEnvBool("WG_PORTAL_MAIL_CERT_VALIDATION", true),
+		Username:       getEnvStr("WG_PORTAL_MAIL_USERNAME", ""),
+		Password:       getEnvStr("WG_PORTAL_MAIL_PASSWORD", ""),
+		AuthType:       MailAuthType(getEnvStr("WG_PORTAL_MAIL_AUTH_TYPE", string(MailAuthPlain))),
+		From:           getEnvStr("WG_PORTAL_MAIL_FROM", "Wireguard Portal <noreply@wireguard.local>"),
+		LinkOnly:       getEnvBool("WG_PORTAL_MAIL_LINK_ONLY", false),
+		AllowPeerEmail: getEnvBool("WG_PORTAL_MAIL_ALLOW_PEER_EMAIL", false),
+		TemplatesPath:  getEnvStr("WG_PORTAL_MAIL_TEMPLATES_PATH", ""),
 	}
 
-	cfg.Webhook.Url = "" // no webhook by default
-	cfg.Webhook.Authentication = ""
-	cfg.Webhook.Timeout = 10 * time.Second
+	cfg.Webhook.Url = getEnvStr("WG_PORTAL_WEBHOOK_URL", "") // no webhook by default
+	cfg.Webhook.Authentication = getEnvStr("WG_PORTAL_WEBHOOK_AUTHENTICATION", "")
+	cfg.Webhook.Timeout = getEnvDuration("WG_PORTAL_WEBHOOK_TIMEOUT", 10*time.Second)
 
-	cfg.Auth.WebAuthn.Enabled = true
-	cfg.Auth.MinPasswordLength = 16
-	cfg.Auth.HideLoginForm = false
+	cfg.Auth.WebAuthn.Enabled = getEnvBool("WG_PORTAL_AUTH_WEBAUTHN_ENABLED", true)
+	cfg.Auth.MinPasswordLength = getEnvInt("WG_PORTAL_AUTH_MIN_PASSWORD_LENGTH", 16)
+	cfg.Auth.HideLoginForm = getEnvBool("WG_PORTAL_AUTH_HIDE_LOGIN_FORM", false)
 
 	return cfg
 }
@@ -219,6 +238,11 @@ func GetConfig() (*Config, error) {
 	if err != nil {
 		return nil, err
 	}
+	for i := range cfg.Auth.Ldap {
+		if err := cfg.Auth.Ldap[i].Sanitize(); err != nil {
+			return nil, fmt.Errorf("sanitizing of ldap config for %s failed: %w", cfg.Auth.Ldap[i].ProviderName, err)
+		}
+	}
 
 	return cfg, nil
 }
@@ -241,3 +265,75 @@ func loadConfigFile(cfg any, filename string) error {
 
 	return nil
 }
+
+func getEnvStr(name, fallback string) string {
+	if v, ok := os.LookupEnv(name); ok {
+		return v
+	}
+
+	return fallback
+}
+
+func getEnvStrSlice(name string, fallback []string) []string {
+	v, ok := os.LookupEnv(name)
+	if !ok {
+		return fallback
+	}
+
+	strParts := strings.Split(v, ",")
+	stringSlice := make([]string, 0, len(strParts))
+
+	for _, s := range strParts {
+		trimmed := strings.TrimSpace(s)
+		if trimmed != "" {
+			stringSlice = append(stringSlice, trimmed)
+		}
+	}
+
+	return stringSlice
+}
+
+func getEnvBool(name string, fallback bool) bool {
+	v, ok := os.LookupEnv(name)
+	if !ok {
+		return fallback
+	}
+
+	b, err := strconv.ParseBool(v)
+	if err != nil {
+		slog.Warn("invalid bool env, using fallback", "env", name, "value", v, "fallback", fallback)
+		return fallback
+	}
+
+	return b
+}
+
+func getEnvInt(name string, fallback int) int {
+	v, ok := os.LookupEnv(name)
+	if !ok {
+		return fallback
+	}
+
+	i, err := strconv.Atoi(v)
+	if err != nil {
+		slog.Warn("invalid int env, using fallback", "env", name, "value", v, "fallback", fallback)
+		return fallback
+	}
+
+	return i
+}
+
+func getEnvDuration(name string, fallback time.Duration) time.Duration {
+	v, ok := os.LookupEnv(name)
+	if !ok {
+		return fallback
+	}
+
+	d, err := time.ParseDuration(v)
+	if err != nil {
+		slog.Warn("invalid duration env, using fallback", "env", name, "value", v, "fallback", fallback)
+		return fallback
+	}
+
+	return d
+}

internal/config/mail.go

@@ -41,4 +41,10 @@ type MailConfig struct {
 	From string `yaml:"from"`
 	// LinkOnly specifies whether emails should only contain a link to WireGuard Portal or attach the full configuration
 	LinkOnly bool `yaml:"link_only"`
+	// AllowPeerEmail specifies whether emails should be sent to peers which have no valid user account linked, but an email address is set as "user".
+	AllowPeerEmail bool `yaml:"allow_peer_email"`
+	// TemplatesPath is an optional base path on the filesystem that contains email templates (.gotpl and .gohtml).
+	// If the directory exists but is empty, the embedded default templates will be written there on startup.
+	// If templates are present in the directory, they override the embedded defaults.
+	TemplatesPath string `yaml:"templates_path"`
 }

internal/config/web.go

@@ -27,6 +27,10 @@ type WebConfig struct {
 	CertFile string `yaml:"cert_file"`
 	// KeyFile is the path to the TLS certificate key file.
 	KeyFile string `yaml:"key_file"`
+	// FrontendFilePath is an optional path to a folder that contains the frontend files.
+	// If set and the folder contains at least one file, it overrides the embedded frontend.
+	// If set and the folder is empty or does not exist, the embedded frontend will be written into it on startup.
+	FrontendFilePath string `yaml:"frontend_filepath"`
 }
 
 func (c *WebConfig) Sanitize() {

internal/domain/controller.go

@@ -5,6 +5,7 @@ package domain
 const (
 	ControllerTypeMikrotik = "mikrotik"
 	ControllerTypeLocal    = "wgctrl"
+	ControllerTypePfsense  = "pfsense"
 )
 
 // Controller extras can be used to store additional information available for specific controllers only.
@@ -30,3 +31,20 @@ type MikrotikPeerExtras struct {
 type LocalPeerExtras struct {
 	Disabled bool
 }
+
+type PfsenseInterfaceExtras struct {
+	Id       string // internal pfSense ID
+	Comment  string
+	Disabled bool
+}
+
+type PfsensePeerExtras struct {
+	Id              string // internal pfSense ID
+	Name            string
+	Comment         string
+	Disabled        bool
+	ClientEndpoint  string
+	ClientAddress   string
+	ClientDns       string
+	ClientKeepalive int
+}

internal/domain/interface.go

@@ -13,6 +13,7 @@ import (
 	"golang.org/x/sys/unix"
 
 	"github.com/h44z/wg-portal/internal"
+	"github.com/h44z/wg-portal/internal/config"
 )
 
 const (
@@ -132,17 +133,30 @@ func (i *Interface) GetConfigFileName() string {
 	return filename
 }
 
+// GetAllowedIPs returns the allowed IPs for the interface depending on the interface type and peers.
+// For example, if the interface type is Server, the allowed IPs are the IPs of the peers.
+// If the interface type is Client, the allowed IPs correspond to the AllowedIPsStr of the peers.
 func (i *Interface) GetAllowedIPs(peers []Peer) []Cidr {
 	var allowedCidrs []Cidr
 
-	for _, peer := range peers {
-		for _, ip := range peer.Interface.Addresses {
-			allowedCidrs = append(allowedCidrs, ip.HostAddr())
+	switch i.Type {
+	case InterfaceTypeServer, InterfaceTypeAny:
+		for _, peer := range peers {
+			for _, ip := range peer.Interface.Addresses {
+				allowedCidrs = append(allowedCidrs, ip.HostAddr())
+			}
+			if peer.ExtraAllowedIPsStr != "" {
+				extraIPs, err := CidrsFromString(peer.ExtraAllowedIPsStr)
+				if err == nil {
+					allowedCidrs = append(allowedCidrs, extraIPs...)
+				}
+			}
 		}
-		if peer.ExtraAllowedIPsStr != "" {
-			extraIPs, err := CidrsFromString(peer.ExtraAllowedIPsStr)
+	case InterfaceTypeClient:
+		for _, peer := range peers {
+			allowedIPs, err := CidrsFromString(peer.AllowedIPsStr.GetValue())
 			if err == nil {
-				allowedCidrs = append(allowedCidrs, extraIPs...)
+				allowedCidrs = append(allowedCidrs, allowedIPs...)
 			}
 		}
 	}
@@ -159,6 +173,7 @@ func (i *Interface) ManageRoutingTable() bool {
 //
 //	-1 if RoutingTable was set to "off" or an error occurred
 func (i *Interface) GetRoutingTable() int {
+
 	routingTableStr := strings.ToLower(i.RoutingTable)
 	switch {
 	case routingTableStr == "":
@@ -166,6 +181,9 @@ func (i *Interface) GetRoutingTable() int {
 	case routingTableStr == "off":
 		return -1
 	case strings.HasPrefix(routingTableStr, "0x"):
+		if i.Backend != config.LocalBackendName {
+			return 0 // ignore numeric routing table numbers for non-local controllers
+		}
 		numberStr := strings.ReplaceAll(routingTableStr, "0x", "")
 		routingTable, err := strconv.ParseUint(numberStr, 16, 64)
 		if err != nil {
@@ -178,6 +196,9 @@ func (i *Interface) GetRoutingTable() int {
 		}
 		return int(routingTable)
 	default:
+		if i.Backend != config.LocalBackendName {
+			return 0 // ignore numeric routing table numbers for non-local controllers
+		}
 		routingTable, err := strconv.Atoi(routingTableStr)
 		if err != nil {
 			slog.Error("failed to parse routing table number", "table", routingTableStr, "error", err)
@@ -219,7 +240,8 @@ func (p *PhysicalInterface) GetExtras() any {
 func (p *PhysicalInterface) SetExtras(extras any) {
 	switch extras.(type) {
 	case MikrotikInterfaceExtras: // OK
-	default: // we only support MikrotikInterfaceExtras for now
+	case PfsenseInterfaceExtras: // OK
+	default: // we only support MikrotikInterfaceExtras and PfsenseInterfaceExtras for now
 		panic(fmt.Sprintf("unsupported interface backend extras type %T", extras))
 	}
 
@@ -282,6 +304,14 @@ func ConvertPhysicalInterface(pi *PhysicalInterface) *Interface {
 		} else {
 			iface.Disabled = nil
 		}
+	case ControllerTypePfsense:
+		extras := pi.GetExtras().(PfsenseInterfaceExtras)
+		iface.DisplayName = extras.Comment
+		if extras.Disabled {
+			iface.Disabled = &now
+		} else {
+			iface.Disabled = nil
+		}
 	}
 
 	return iface
@@ -304,16 +334,28 @@ func MergeToPhysicalInterface(pi *PhysicalInterface, i *Interface) {
 			Disabled: i.IsDisabled(),
 		}
 		pi.SetExtras(extras)
+	case ControllerTypePfsense:
+		extras := PfsenseInterfaceExtras{
+			Comment:  i.DisplayName,
+			Disabled: i.IsDisabled(),
+		}
+		pi.SetExtras(extras)
 	}
 }
 
 type RoutingTableInfo struct {
-	FwMark uint32
-	Table  int
+	Interface  Interface
+	AllowedIps []Cidr
+	FwMark     uint32
+	Table      int
+	TableStr   string // the routing table number as string (used by mikrotik, linux uses the numeric value)
+	IsDeleted  bool   // true if the interface was deleted, false otherwise
 }
 
 func (r RoutingTableInfo) String() string {
-	return fmt.Sprintf("%d -> %d", r.FwMark, r.Table)
+	v4, v6 := CidrsPerFamily(r.AllowedIps)
+	return fmt.Sprintf("%s: fwmark=%d; table=%d; routes_4=%d; routes_6=%d", r.Interface.Identifier, r.FwMark, r.Table,
+		len(v4), len(v6))
 }
 
 func (r RoutingTableInfo) ManagementEnabled() bool {

internal/domain/interface_controller.go

@@ -0,0 +1,27 @@
+package domain
+
+import "context"
+
+type InterfaceController interface {
+	GetId() InterfaceBackend
+	GetInterfaces(_ context.Context) ([]PhysicalInterface, error)
+	GetInterface(_ context.Context, id InterfaceIdentifier) (*PhysicalInterface, error)
+	GetPeers(_ context.Context, deviceId InterfaceIdentifier) ([]PhysicalPeer, error)
+	SaveInterface(
+		_ context.Context,
+		id InterfaceIdentifier,
+		updateFunc func(pi *PhysicalInterface) (*PhysicalInterface, error),
+	) error
+	DeleteInterface(_ context.Context, id InterfaceIdentifier) error
+	SavePeer(
+		_ context.Context,
+		deviceId InterfaceIdentifier,
+		id PeerIdentifier,
+		updateFunc func(pp *PhysicalPeer) (*PhysicalPeer, error),
+	) error
+	DeletePeer(_ context.Context, deviceId InterfaceIdentifier, id PeerIdentifier) error
+	PingAddresses(
+		ctx context.Context,
+		addr string,
+	) (*PingerResult, error)
+}

internal/domain/interface_test.go

@@ -5,6 +5,8 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/assert"
+
+	"github.com/h44z/wg-portal/internal/config"
 )
 
 func TestInterface_IsDisabledReturnsTrueWhenDisabled(t *testing.T) {
@@ -37,8 +39,9 @@ func TestInterface_GetConfigFileNameReturnsCorrectFileName(t *testing.T) {
 	assert.Equal(t, expected, iface.GetConfigFileName())
 }
 
-func TestInterface_GetAllowedIPsReturnsCorrectCidrs(t *testing.T) {
+func TestInterface_GetAllowedIPsReturnsCorrectCidrsServerMode(t *testing.T) {
 	peer1 := Peer{
+		AllowedIPsStr: ConfigOption[string]{Value: "192.168.2.2/32"},
 		Interface: PeerInterfaceConfig{
 			Addresses: []Cidr{
 				{Cidr: "192.168.1.2/32", Addr: "192.168.1.2", NetLength: 32},
@@ -46,16 +49,45 @@ func TestInterface_GetAllowedIPsReturnsCorrectCidrs(t *testing.T) {
 		},
 	}
 	peer2 := Peer{
+		AllowedIPsStr:      ConfigOption[string]{Value: "10.0.2.2/32"},
+		ExtraAllowedIPsStr: "10.20.2.2/32",
 		Interface: PeerInterfaceConfig{
 			Addresses: []Cidr{
 				{Cidr: "10.0.0.2/32", Addr: "10.0.0.2", NetLength: 32},
 			},
 		},
 	}
-	iface := &Interface{}
+	iface := &Interface{Type: InterfaceTypeServer}
 	expected := []Cidr{
 		{Cidr: "192.168.1.2/32", Addr: "192.168.1.2", NetLength: 32},
 		{Cidr: "10.0.0.2/32", Addr: "10.0.0.2", NetLength: 32},
+		{Cidr: "10.20.2.2/32", Addr: "10.20.2.2", NetLength: 32},
+	}
+	assert.Equal(t, expected, iface.GetAllowedIPs([]Peer{peer1, peer2}))
+}
+
+func TestInterface_GetAllowedIPsReturnsCorrectCidrsClientMode(t *testing.T) {
+	peer1 := Peer{
+		AllowedIPsStr: ConfigOption[string]{Value: "192.168.2.2/32"},
+		Interface: PeerInterfaceConfig{
+			Addresses: []Cidr{
+				{Cidr: "192.168.1.2/32", Addr: "192.168.1.2", NetLength: 32},
+			},
+		},
+	}
+	peer2 := Peer{
+		AllowedIPsStr:      ConfigOption[string]{Value: "10.0.2.2/32"},
+		ExtraAllowedIPsStr: "10.20.2.2/32",
+		Interface: PeerInterfaceConfig{
+			Addresses: []Cidr{
+				{Cidr: "10.0.0.2/32", Addr: "10.0.0.2", NetLength: 32},
+			},
+		},
+	}
+	iface := &Interface{Type: InterfaceTypeClient}
+	expected := []Cidr{
+		{Cidr: "192.168.2.2/32", Addr: "192.168.2.2", NetLength: 32},
+		{Cidr: "10.0.2.2/32", Addr: "10.0.2.2", NetLength: 32},
 	}
 	assert.Equal(t, expected, iface.GetAllowedIPs([]Peer{peer1, peer2}))
 }
@@ -66,10 +98,22 @@ func TestInterface_ManageRoutingTableReturnsCorrectValue(t *testing.T) {
 
 	iface.RoutingTable = "100"
 	assert.True(t, iface.ManageRoutingTable())
+
+	iface = &Interface{RoutingTable: "off", Backend: config.LocalBackendName}
+	assert.False(t, iface.ManageRoutingTable())
+
+	iface.RoutingTable = "100"
+	assert.True(t, iface.ManageRoutingTable())
+
+	iface = &Interface{RoutingTable: "off", Backend: "mikrotik-xxx"}
+	assert.False(t, iface.ManageRoutingTable())
+
+	iface.RoutingTable = "100"
+	assert.True(t, iface.ManageRoutingTable())
 }
 
 func TestInterface_GetRoutingTableReturnsCorrectValue(t *testing.T) {
-	iface := &Interface{RoutingTable: ""}
+	iface := &Interface{RoutingTable: "", Backend: config.LocalBackendName}
 	assert.Equal(t, 0, iface.GetRoutingTable())
 
 	iface.RoutingTable = "off"
@@ -81,3 +125,17 @@ func TestInterface_GetRoutingTableReturnsCorrectValue(t *testing.T) {
 	iface.RoutingTable = "200"
 	assert.Equal(t, 200, iface.GetRoutingTable())
 }
+
+func TestInterface_GetRoutingTableNonLocal(t *testing.T) {
+	iface := &Interface{RoutingTable: "off", Backend: "something different"}
+	assert.Equal(t, -1, iface.GetRoutingTable())
+
+	iface.RoutingTable = "0"
+	assert.Equal(t, 0, iface.GetRoutingTable())
+
+	iface.RoutingTable = "100"
+	assert.Equal(t, 0, iface.GetRoutingTable())
+
+	iface.RoutingTable = "abc"
+	assert.Equal(t, 0, iface.GetRoutingTable())
+}

internal/domain/ip.go

@@ -26,6 +26,10 @@ func (c Cidr) IsValid() bool {
 	return c.Prefix().IsValid()
 }
 
+func (c Cidr) EqualPrefix(other Cidr) bool {
+	return c.Addr == other.Addr && c.NetLength == other.NetLength
+}
+
 func CidrFromString(str string) (Cidr, error) {
 	prefix, err := netip.ParsePrefix(strings.TrimSpace(str))
 	if err != nil {
@@ -199,3 +203,26 @@ func (c Cidr) Contains(other Cidr) bool {
 
 	return subnet.Contains(otherIP)
 }
+
+// ContainsDefaultRoute returns true if the given CIDRs contain a default route.
+func ContainsDefaultRoute(cidrs []Cidr) bool {
+	for _, allowedIP := range cidrs {
+		if allowedIP.Prefix().Bits() == 0 {
+			return true
+		}
+	}
+
+	return false
+}
+
+// CidrsPerFamily returns a slice of CIDRs, one for each family (IPv4 and IPv6).
+func CidrsPerFamily(cidrs []Cidr) (ipv4, ipv6 []Cidr) {
+	for _, cidr := range cidrs {
+		if cidr.IsV4() {
+			ipv4 = append(ipv4, cidr)
+		} else {
+			ipv6 = append(ipv6, cidr)
+		}
+	}
+	return
+}

internal/domain/peer.go

@@ -240,7 +240,8 @@ func (p *PhysicalPeer) SetExtras(extras any) {
 	switch extras.(type) {
 	case MikrotikPeerExtras: // OK
 	case LocalPeerExtras: // OK
-	default: // we only support MikrotikPeerExtras and LocalPeerExtras for now
+	case PfsensePeerExtras: // OK
+	default: // we only support MikrotikPeerExtras, LocalPeerExtras, and PfsensePeerExtras for now
 		panic(fmt.Sprintf("unsupported peer backend extras type %T", extras))
 	}
 
@@ -301,6 +302,26 @@ func ConvertPhysicalPeer(pp *PhysicalPeer) *Peer {
 			peer.Disabled = nil
 			peer.DisabledReason = ""
 		}
+	case ControllerTypePfsense:
+		extras := pp.GetExtras().(PfsensePeerExtras)
+		peer.Notes = extras.Comment
+		peer.DisplayName = extras.Name
+		if extras.ClientEndpoint != "" { // if the client endpoint is set, we assume that this is a client peer
+			peer.Endpoint = NewConfigOption(extras.ClientEndpoint, true)
+			peer.Interface.Type = InterfaceTypeClient
+			peer.Interface.Addresses, _ = CidrsFromString(extras.ClientAddress)
+			peer.Interface.DnsStr = NewConfigOption(extras.ClientDns, true)
+			peer.PersistentKeepalive = NewConfigOption(extras.ClientKeepalive, true)
+		} else {
+			peer.Interface.Type = InterfaceTypeServer
+		}
+		if extras.Disabled {
+			peer.Disabled = &now
+			peer.DisabledReason = "Disabled by pfSense controller"
+		} else {
+			peer.Disabled = nil
+			peer.DisabledReason = ""
+		}
 	}
 
 	return peer
@@ -355,6 +376,18 @@ func MergeToPhysicalPeer(pp *PhysicalPeer, p *Peer) {
 			Disabled: p.IsDisabled(),
 		}
 		pp.SetExtras(extras)
+	case ControllerTypePfsense:
+		extras := PfsensePeerExtras{
+			Id:              "",
+			Name:            p.DisplayName,
+			Comment:         p.Notes,
+			Disabled:        p.IsDisabled(),
+			ClientEndpoint:  p.Endpoint.GetValue(),
+			ClientAddress:   CidrsToString(p.Interface.Addresses),
+			ClientDns:       p.Interface.DnsStr.GetValue(),
+			ClientKeepalive: p.PersistentKeepalive.GetValue(),
+		}
+		pp.SetExtras(extras)
 	}
 }
 

internal/lowlevel/mikrotik.go

@@ -267,6 +267,7 @@ func parseHttpResponse[T any](resp *http.Response, err error) MikrotikApiRespons
 	}
 
 	defer func(Body io.ReadCloser) {
+		_, _ = io.Copy(io.Discard, Body) // ensure to empty the body
 		err := Body.Close()
 		if err != nil {
 			slog.Error("failed to close response body", "error", err)

internal/lowlevel/pfsense.go

@@ -0,0 +1,428 @@
+package lowlevel
+
+import (
+	"bytes"
+	"context"
+	"crypto/tls"
+	"encoding/json"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/h44z/wg-portal/internal"
+	"github.com/h44z/wg-portal/internal/config"
+)
+
+// PfsenseApiClient provides HTTP client functionality for interacting with the pfSense REST API.
+// Documentation: https://pfrest.org/
+// Swagger UI: https://pfrest.org/api-docs/
+
+// region models
+
+const (
+	PfsenseApiStatusOk    = "ok"    // pfSense REST API uses "ok" in response
+	PfsenseApiStatusError = "error"
+)
+
+const (
+	PfsenseApiErrorCodeUnknown = iota + 700
+	PfsenseApiErrorCodeRequestPreparationFailed
+	PfsenseApiErrorCodeRequestFailed
+	PfsenseApiErrorCodeResponseDecodeFailed
+)
+
+type PfsenseApiResponse[T any] struct {
+	Status string
+	Code   int
+	Data   T                 `json:"data,omitempty"`
+	Error  *PfsenseApiError  `json:"error,omitempty"`
+}
+
+type PfsenseApiError struct {
+	Code    int    `json:"error,omitempty"`
+	Message string `json:"message,omitempty"`
+	Details string `json:"detail,omitempty"`
+}
+
+func (e *PfsenseApiError) String() string {
+	if e == nil {
+		return "no error"
+	}
+	return fmt.Sprintf("API error %d: %s - %s", e.Code, e.Message, e.Details)
+}
+
+type PfsenseRequestOptions struct {
+	Filters  map[string]string `json:"filters,omitempty"`
+	PropList []string          `json:"proplist,omitempty"`
+}
+
+func (o *PfsenseRequestOptions) GetPath(base string) string {
+	if o == nil {
+		return base
+	}
+
+	path, err := url.Parse(base)
+	if err != nil {
+		return base
+	}
+
+	query := path.Query()
+	// pfSense REST API uses standard query parameters for filtering
+	for k, v := range o.Filters {
+		query.Set(k, v)
+	}
+	// Note: PropList may not be supported by pfSense REST API in the same way as Mikrotik
+	// pfSense typically returns all fields by default, but we keep this for potential future use
+	// Verify the correct parameter name in Swagger docs if field selection is needed
+	if len(o.PropList) > 0 {
+		// pfSense might use different parameter name - verify in Swagger docs
+		// For now, we'll skip it as pfSense may return all fields by default
+		// query.Set("fields", strings.Join(o.PropList, ","))
+	}
+	path.RawQuery = query.Encode()
+	return path.String()
+}
+
+// endregion models
+
+// region API-client
+
+type PfsenseApiClient struct {
+	coreCfg *config.Config
+	cfg     *config.BackendPfsense
+
+	client *http.Client
+	log    *slog.Logger
+}
+
+func NewPfsenseApiClient(coreCfg *config.Config, cfg *config.BackendPfsense) (*PfsenseApiClient, error) {
+	c := &PfsenseApiClient{
+		coreCfg: coreCfg,
+		cfg:     cfg,
+	}
+
+	err := c.setup()
+	if err != nil {
+		return nil, err
+	}
+
+	c.debugLog("pfSense api client created", "api_url", cfg.ApiUrl)
+
+	return c, nil
+}
+
+func (p *PfsenseApiClient) setup() error {
+	p.client = &http.Client{
+		Transport: &http.Transport{
+			TLSClientConfig: &tls.Config{
+				InsecureSkipVerify: !p.cfg.ApiVerifyTls,
+			},
+		},
+		Timeout: p.cfg.GetApiTimeout(),
+	}
+
+	if p.cfg.Debug {
+		p.log = slog.New(internal.GetLoggingHandler("debug",
+			p.coreCfg.Advanced.LogPretty,
+			p.coreCfg.Advanced.LogJson).
+			WithAttrs([]slog.Attr{
+				{
+					Key: "pfsense-bid", Value: slog.StringValue(p.cfg.Id),
+				},
+			}))
+	}
+
+	return nil
+}
+
+func (p *PfsenseApiClient) debugLog(msg string, args ...any) {
+	if p.log != nil {
+		p.log.Debug("[PFS-API] "+msg, args...)
+	}
+}
+
+func (p *PfsenseApiClient) getFullPath(command string) string {
+	path, err := url.JoinPath(p.cfg.ApiUrl, command)
+	if err != nil {
+		return ""
+	}
+	return path
+}
+
+func (p *PfsenseApiClient) prepareGetRequest(ctx context.Context, fullUrl string) (*http.Request, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, fullUrl, nil)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %w", err)
+	}
+	req.Header.Set("Accept", "application/json")
+	if p.cfg.ApiKey != "" {
+		// pfSense REST API API Key authentication (https://pfrest.org/AUTHENTICATION_AND_AUTHORIZATION/)
+		// Uses X-API-Key header for API key authentication
+		req.Header.Set("X-API-Key", p.cfg.ApiKey)
+	}
+
+	return req, nil
+}
+
+func (p *PfsenseApiClient) prepareDeleteRequest(ctx context.Context, fullUrl string) (*http.Request, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, fullUrl, nil)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %w", err)
+	}
+	req.Header.Set("Accept", "application/json")
+	if p.cfg.ApiKey != "" {
+		// pfSense REST API API Key authentication (https://pfrest.org/AUTHENTICATION_AND_AUTHORIZATION/)
+		// Uses X-API-Key header for API key authentication
+		req.Header.Set("X-API-Key", p.cfg.ApiKey)
+	}
+
+	return req, nil
+}
+
+func (p *PfsenseApiClient) preparePayloadRequest(
+	ctx context.Context,
+	method string,
+	fullUrl string,
+	payload GenericJsonObject,
+) (*http.Request, error) {
+	// marshal the payload to JSON
+	payloadBytes, err := json.Marshal(payload)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal payload: %w", err)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, method, fullUrl, bytes.NewReader(payloadBytes))
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %w", err)
+	}
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("Content-Type", "application/json")
+	if p.cfg.ApiKey != "" {
+		// pfSense REST API API Key authentication (https://pfrest.org/AUTHENTICATION_AND_AUTHORIZATION/)
+		// Uses X-API-Key header for API key authentication
+		req.Header.Set("X-API-Key", p.cfg.ApiKey)
+	}
+
+	return req, nil
+}
+
+func errToPfsenseApiResponse[T any](code int, message string, err error) PfsenseApiResponse[T] {
+	return PfsenseApiResponse[T]{
+		Status: PfsenseApiStatusError,
+		Code:   code,
+		Error: &PfsenseApiError{
+			Code:    code,
+			Message: message,
+			Details: err.Error(),
+		},
+	}
+}
+
+func parsePfsenseHttpResponse[T any](resp *http.Response, err error) PfsenseApiResponse[T] {
+	if err != nil {
+		return errToPfsenseApiResponse[T](PfsenseApiErrorCodeRequestFailed, "failed to execute request", err)
+	}
+
+	// pfSense REST API wraps responses in {code, status, data} or {code, status, error} structure
+	var wrapper struct {
+		Code   int    `json:"code"`
+		Status string `json:"status"`
+		Data   T      `json:"data,omitempty"`
+		Error  *struct {
+			Code    int    `json:"code,omitempty"`
+			Message string `json:"message,omitempty"`
+			Detail  string `json:"detail,omitempty"`
+		} `json:"error,omitempty"`
+	}
+
+	// Read the entire body first
+	bodyBytes, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return errToPfsenseApiResponse[T](PfsenseApiErrorCodeResponseDecodeFailed, "failed to read response body", err)
+	}
+	
+	// Close the body after reading
+	defer func() {
+		if err := resp.Body.Close(); err != nil {
+			slog.Error("failed to close response body", "error", err)
+		}
+	}()
+
+	if len(bodyBytes) == 0 {
+		// Empty response for DELETE operations
+		if resp.StatusCode >= 200 && resp.StatusCode < 300 {
+			return PfsenseApiResponse[T]{Status: PfsenseApiStatusOk, Code: resp.StatusCode}
+		}
+		return errToPfsenseApiResponse[T](resp.StatusCode, "empty error response", fmt.Errorf("HTTP %d", resp.StatusCode))
+	}
+
+	if err := json.Unmarshal(bodyBytes, &wrapper); err != nil {
+		// Log the actual response for debugging when JSON parsing fails
+		contentType := resp.Header.Get("Content-Type")
+		bodyPreview := string(bodyBytes)
+		if len(bodyPreview) > 500 {
+			bodyPreview = bodyPreview[:500] + "..."
+		}
+		slog.Error("failed to decode pfSense API response",
+			"status_code", resp.StatusCode,
+			"content_type", contentType,
+			"url", resp.Request.URL.String(),
+			"method", resp.Request.Method,
+			"body_preview", bodyPreview,
+			"error", err)
+		return errToPfsenseApiResponse[T](PfsenseApiErrorCodeResponseDecodeFailed, 
+			fmt.Sprintf("failed to decode response (status %d, content-type: %s): %v", resp.StatusCode, contentType, err), err)
+	}
+
+	// Check if response indicates success
+	if resp.StatusCode >= 200 && resp.StatusCode < 300 {
+		// Map pfSense status to our status
+		status := PfsenseApiStatusOk
+		if wrapper.Status != "ok" && wrapper.Status != "success" {
+			status = PfsenseApiStatusError
+		}
+
+		// Handle EmptyResponse type
+		if _, ok := any(wrapper.Data).(EmptyResponse); ok {
+			return PfsenseApiResponse[T]{Status: status, Code: wrapper.Code}
+		}
+
+		return PfsenseApiResponse[T]{Status: status, Code: wrapper.Code, Data: wrapper.Data}
+	}
+
+	// Handle error response
+	if wrapper.Error != nil {
+		return PfsenseApiResponse[T]{
+			Status: PfsenseApiStatusError,
+			Code:   wrapper.Code,
+			Error: &PfsenseApiError{
+				Code:    wrapper.Error.Code,
+				Message: wrapper.Error.Message,
+				Details: wrapper.Error.Detail,
+			},
+		}
+	}
+
+	// Fallback error response
+	return errToPfsenseApiResponse[T](wrapper.Code, "unknown error", fmt.Errorf("HTTP %d: %s", wrapper.Code, wrapper.Status))
+}
+
+func (p *PfsenseApiClient) Query(
+	ctx context.Context,
+	command string,
+	opts *PfsenseRequestOptions,
+) PfsenseApiResponse[[]GenericJsonObject] {
+	apiCtx, cancel := context.WithTimeout(ctx, p.cfg.GetApiTimeout())
+	defer cancel()
+
+	fullUrl := opts.GetPath(p.getFullPath(command))
+
+	req, err := p.prepareGetRequest(apiCtx, fullUrl)
+	if err != nil {
+		return errToPfsenseApiResponse[[]GenericJsonObject](PfsenseApiErrorCodeRequestPreparationFailed,
+			"failed to create request", err)
+	}
+
+	start := time.Now()
+	p.debugLog("executing API query", "url", fullUrl)
+	response := parsePfsenseHttpResponse[[]GenericJsonObject](p.client.Do(req))
+	p.debugLog("retrieved API query result", "url", fullUrl, "duration", time.Since(start).String())
+	return response
+}
+
+func (p *PfsenseApiClient) Get(
+	ctx context.Context,
+	command string,
+	opts *PfsenseRequestOptions,
+) PfsenseApiResponse[GenericJsonObject] {
+	apiCtx, cancel := context.WithTimeout(ctx, p.cfg.GetApiTimeout())
+	defer cancel()
+
+	fullUrl := opts.GetPath(p.getFullPath(command))
+
+	req, err := p.prepareGetRequest(apiCtx, fullUrl)
+	if err != nil {
+		return errToPfsenseApiResponse[GenericJsonObject](PfsenseApiErrorCodeRequestPreparationFailed,
+			"failed to create request", err)
+	}
+
+	start := time.Now()
+	p.debugLog("executing API get", "url", fullUrl)
+	response := parsePfsenseHttpResponse[GenericJsonObject](p.client.Do(req))
+	p.debugLog("retrieved API get result", "url", fullUrl, "duration", time.Since(start).String())
+	return response
+}
+
+func (p *PfsenseApiClient) Create(
+	ctx context.Context,
+	command string,
+	payload GenericJsonObject,
+) PfsenseApiResponse[GenericJsonObject] {
+	apiCtx, cancel := context.WithTimeout(ctx, p.cfg.GetApiTimeout())
+	defer cancel()
+
+	fullUrl := p.getFullPath(command)
+
+	req, err := p.preparePayloadRequest(apiCtx, http.MethodPost, fullUrl, payload)
+	if err != nil {
+		return errToPfsenseApiResponse[GenericJsonObject](PfsenseApiErrorCodeRequestPreparationFailed,
+			"failed to create request", err)
+	}
+
+	start := time.Now()
+	p.debugLog("executing API post", "url", fullUrl)
+	response := parsePfsenseHttpResponse[GenericJsonObject](p.client.Do(req))
+	p.debugLog("retrieved API post result", "url", fullUrl, "duration", time.Since(start).String())
+	return response
+}
+
+func (p *PfsenseApiClient) Update(
+	ctx context.Context,
+	command string,
+	payload GenericJsonObject,
+) PfsenseApiResponse[GenericJsonObject] {
+	apiCtx, cancel := context.WithTimeout(ctx, p.cfg.GetApiTimeout())
+	defer cancel()
+
+	fullUrl := p.getFullPath(command)
+
+	req, err := p.preparePayloadRequest(apiCtx, http.MethodPatch, fullUrl, payload)
+	if err != nil {
+		return errToPfsenseApiResponse[GenericJsonObject](PfsenseApiErrorCodeRequestPreparationFailed,
+			"failed to create request", err)
+	}
+
+	start := time.Now()
+	p.debugLog("executing API patch", "url", fullUrl)
+	response := parsePfsenseHttpResponse[GenericJsonObject](p.client.Do(req))
+	p.debugLog("retrieved API patch result", "url", fullUrl, "duration", time.Since(start).String())
+	return response
+}
+
+func (p *PfsenseApiClient) Delete(
+	ctx context.Context,
+	command string,
+) PfsenseApiResponse[EmptyResponse] {
+	apiCtx, cancel := context.WithTimeout(ctx, p.cfg.GetApiTimeout())
+	defer cancel()
+
+	fullUrl := p.getFullPath(command)
+
+	req, err := p.prepareDeleteRequest(apiCtx, fullUrl)
+	if err != nil {
+		return errToPfsenseApiResponse[EmptyResponse](PfsenseApiErrorCodeRequestPreparationFailed,
+			"failed to create request", err)
+	}
+
+	start := time.Now()
+	p.debugLog("executing API delete", "url", fullUrl)
+	response := parsePfsenseHttpResponse[EmptyResponse](p.client.Do(req))
+	p.debugLog("retrieved API delete result", "url", fullUrl, "duration", time.Since(start).String())
+	return response
+}
+
+// endregion API-client
+

mkdocs.yml

@@ -81,6 +81,7 @@ nav:
           - Reverse Proxy (HTTPS): documentation/getting-started/reverse-proxy.md
       - Configuration:
           - Overview: documentation/configuration/overview.md
+          - Mail templates: documentation/configuration/mail-templates.md
           - Examples: documentation/configuration/examples.md
       - Usage:
           - General: documentation/usage/general.md
@@ -88,6 +89,7 @@ nav:
           - LDAP: documentation/usage/ldap.md
           - Security: documentation/usage/security.md
           - Webhooks: documentation/usage/webhooks.md
+          - Mail Templates: documentation/usage/mail-templates.md
           - REST API: documentation/rest-api/api-doc.md
       - Upgrade: documentation/upgrade/v1.md
       - Monitoring: documentation/monitoring/prometheus.md