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Enhance error handling and access restriction reporting in registry operations

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This commit is contained in:
Jeffrey
2026-05-17 20:05:20 +02:00
parent 4f17727a3b
commit 54830cc928
1 changed files with 69 additions and 33 deletions
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102
Scripts/Helpers/ApplyRegistryRegFile.ps1
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@@ -74,6 +74,9 @@ function Remove-RegistrySubKeyTreeIfExists {
try {
$RootKey.DeleteSubKeyTree($SubKeyPath, $false)
}
catch [System.UnauthorizedAccessException], [System.Security.SecurityException] {
throw
}
catch {
# Best-effort cleanup only; missing keys are fine.
}
@@ -117,50 +120,83 @@ function Invoke-RegistryOperationsFromRegFile {
[string]$RegFilePath
)
foreach ($operation in @(Get-RegFileOperations -regFilePath $RegFilePath)) {
$keyInfo = Get-RegistryKeyForOperation -RegistryPath $operation.KeyPath -CreateIfMissing:($operation.OperationType -eq 'SetValue')
$accessDeniedFailures = New-Object 'System.Collections.Generic.List[object]'
switch ($operation.OperationType) {
'DeleteKey' {
if ($null -ne $keyInfo.Key) {
try {
if ($null -ne $keyInfo.SubKeyPath) {
Remove-RegistrySubKeyTreeIfExists -RootKey $keyInfo.RootKey -SubKeyPath $keyInfo.SubKeyPath
foreach ($operation in @(Get-RegFileOperations -regFilePath $RegFilePath)) {
try {
$keyInfo = Get-RegistryKeyForOperation -RegistryPath $operation.KeyPath -CreateIfMissing:($operation.OperationType -eq 'SetValue')
switch ($operation.OperationType) {
'DeleteKey' {
if ($null -ne $keyInfo.Key) {
try {
if ($null -ne $keyInfo.SubKeyPath) {
Remove-RegistrySubKeyTreeIfExists -RootKey $keyInfo.RootKey -SubKeyPath $keyInfo.SubKeyPath
}
}
finally {
$keyInfo.Key.Close()
}
}
finally {
$keyInfo.Key.Close()
}
'DeleteValue' {
if ($null -ne $keyInfo.Key) {
try {
$valueName = if ([string]::IsNullOrEmpty([string]$operation.ValueName)) { '' } else { [string]$operation.ValueName }
$keyInfo.Key.DeleteValue($valueName, $false)
}
finally {
$keyInfo.Key.Close()
}
}
}
}
'DeleteValue' {
if ($null -ne $keyInfo.Key) {
try {
$valueName = if ([string]::IsNullOrEmpty([string]$operation.ValueName)) { '' } else { [string]$operation.ValueName }
$keyInfo.Key.DeleteValue($valueName, $false)
'SetValue' {
if ($null -eq $keyInfo.Key) {
throw "Unable to open or create registry key '$($operation.KeyPath)'"
}
finally {
$keyInfo.Key.Close()
}
}
}
'SetValue' {
if ($null -eq $keyInfo.Key) {
throw "Unable to open or create registry key '$($operation.KeyPath)'"
}
try {
$setArgs = Convert-RegOperationToValueKind -Operation $operation
$keyInfo.Key.SetValue($setArgs.Name, $setArgs.Value, $setArgs.Kind)
try {
$setArgs = Convert-RegOperationToValueKind -Operation $operation
$keyInfo.Key.SetValue($setArgs.Name, $setArgs.Value, $setArgs.Kind)
}
finally {
$keyInfo.Key.Close()
}
}
finally {
$keyInfo.Key.Close()
default {
throw "Unsupported reg operation type '$($operation.OperationType)' in '$RegFilePath'"
}
}
default {
throw "Unsupported reg operation type '$($operation.OperationType)' in '$RegFilePath'"
}
}
catch [System.UnauthorizedAccessException], [System.Security.SecurityException] {
$valueDisplay = if ($operation.OperationType -eq 'SetValue' -or $operation.OperationType -eq 'DeleteValue') {
if ([string]::IsNullOrEmpty([string]$operation.ValueName)) { '(Default)' } else { [string]$operation.ValueName }
}
else {
''
}
$failure = [PSCustomObject]@{
OperationType = [string]$operation.OperationType
KeyPath = [string]$operation.KeyPath
ValueName = $valueDisplay
Error = $_.Exception.Message
}
$accessDeniedFailures.Add($failure)
if ([string]::IsNullOrEmpty($valueDisplay)) {
Write-Warning ("Skipping operation '{0}' on key '{1}' due to access restrictions: {2}" -f $failure.OperationType, $failure.KeyPath, $failure.Error)
}
else {
Write-Warning ("Skipping operation '{0}' on key '{1}' value '{2}' due to access restrictions: {3}" -f $failure.OperationType, $failure.KeyPath, $failure.ValueName, $failure.Error)
}
continue
}
}
if ($accessDeniedFailures.Count -gt 0) {
Write-Warning ("Registry fallback import completed with $($accessDeniedFailures.Count) access-restricted operation(s) skipped in '$RegFilePath'.")
}
}