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* Mesh::onAnonDataRecv() slight optimisation, so that shared-secret calc doesn't need to be repeated

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* SensporMesh: req_type now optionally encoded in anon_req payload (so can send various requests without a prior login)
This commit is contained in:
Scott Powell
2025-07-07 20:41:28 +10:00
parent 7fb7b69bbc
commit 810b1f8fe7
6 changed files with 76 additions and 60 deletions
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6
examples/simple_repeater/main.cpp
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@@ -149,7 +149,6 @@ class MyMesh : public mesh::Mesh, public CommonCLICallbacks {
oldest->id = id;
oldest->out_path_len = -1; // initially out_path is unknown
oldest->last_timestamp = 0;
self_id.calcSharedSecret(oldest->secret, id); // calc ECDH shared secret
return oldest;
}
@@ -341,8 +340,8 @@ protected:
return ((int)_prefs.agc_reset_interval) * 4000; // milliseconds
}
void onAnonDataRecv(mesh::Packet* packet, uint8_t type, const mesh::Identity& sender, uint8_t* data, size_t len) override {
if (type == PAYLOAD_TYPE_ANON_REQ) { // received an initial request by a possible admin client (unknown at this stage)
void onAnonDataRecv(mesh::Packet* packet, const uint8_t* secret, const mesh::Identity& sender, uint8_t* data, size_t len) override {
if (packet->getPayloadType() == PAYLOAD_TYPE_ANON_REQ) { // received an initial request by a possible admin client (unknown at this stage)
uint32_t timestamp;
memcpy(&timestamp, data, 4);
@@ -369,6 +368,7 @@ protected:
client->last_timestamp = timestamp;
client->last_activity = getRTCClock()->getCurrentTime();
client->is_admin = is_admin;
memcpy(client->secret, secret, PUB_KEY_SIZE);
uint32_t now = getRTCClock()->getCurrentTimeUnique();
memcpy(reply_data, &now, 4); // response packets always prefixed with timestamp