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Retain actual process identity for scoped logging and native attribution

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Shirofune-Security committed 2026-09-22 14:48:45 +09:00
1 parent e419b073fe
commit adaf3f9681
4 files changed
+7 -5
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tests/PowerShellLogging.Tests.ps1
+2 -2
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@@ -7,7 +7,7 @@ function Reject([scriptblock]$Action,[string]$Pattern){$message='';try{&$Action}
function CloneFixture($Value){ConvertTo-WelaPsLoggingKey $Value|ConvertFrom-Json}
function Row($Path,$Values=@(),$Children=@()){[pscustomobject]@{Path=$Path;Values=@($Values);Children=@($Children);Access='original-acl'}}
function Fixture {
[pscustomobject][ordered]@{Host=[pscustomobject]@{Computer='fixture';Build=20348};Engine=[pscustomobject]@{Target='Windows PowerShell 5.1'};Sources=@('sha');Machine=[pscustomobject]@{Exists=$true;Keys=@((Row '' @() @('ModuleLogging','ScriptBlockLogging','Transcription')),(Row 'ModuleLogging' @([pscustomobject]@{Name='EnableModuleLogging';Type='DWord';Value=0}) @('ModuleNames')),(Row 'ModuleLogging\ModuleNames' @([pscustomobject]@{Name='existing';Type='String';Value='Existing.Module'})),(Row 'ScriptBlockLogging' @([pscustomobject]@{Name='EnableScriptBlockLogging';Type='DWord';Value=0},[pscustomobject]@{Name='EnableScriptBlockInvocationLogging';Type='DWord';Value=1})),(Row 'Transcription' @([pscustomobject]@{Name='EnableTranscripting';Type='DWord';Value=1})))};CurrentUser=@('preserved-user');PowerShellCoreMachine=@('preserved-core');PowerShellCoreUser=@('preserved-core-user');ProtectedEventLogging=@('preserved-protected');Channel=@('preserved-channel')}
[pscustomobject][ordered]@{Operator=[pscustomobject]@{Sid='S-1-5-21-1';ImpersonationLevel='None'};Host=[pscustomobject]@{Computer='fixture';Build=20348};Engine=[pscustomobject]@{Target='Windows PowerShell 5.1'};Sources=@('sha');Machine=[pscustomobject]@{Exists=$true;Keys=@((Row '' @() @('ModuleLogging','ScriptBlockLogging','Transcription')),(Row 'ModuleLogging' @([pscustomobject]@{Name='EnableModuleLogging';Type='DWord';Value=0}) @('ModuleNames')),(Row 'ModuleLogging\ModuleNames' @([pscustomobject]@{Name='existing';Type='String';Value='Existing.Module'})),(Row 'ScriptBlockLogging' @([pscustomobject]@{Name='EnableScriptBlockLogging';Type='DWord';Value=0},[pscustomobject]@{Name='EnableScriptBlockInvocationLogging';Type='DWord';Value=1})),(Row 'Transcription' @([pscustomobject]@{Name='EnableTranscripting';Type='DWord';Value=1})))};CurrentUser=@('preserved-user');PowerShellCoreMachine=@('preserved-core');PowerShellCoreUser=@('preserved-core-user');ProtectedEventLogging=@('preserved-protected');Channel=@('preserved-channel')}
}
function Mutate($Before,$Definition){
$after=CloneFixture $Before;$after.Machine.Exists=$true
@@ -61,7 +61,7 @@ try {
Reset;$script:corrupt=$true;$failed=Invoke-WelaPowerShellLogging -Action Configure -Control Module,ScriptBlock -ModuleName Microsoft.PowerShell.Utility -Auto -BackupPath (Join-Path $root 'corrupt')
Assert ($failed.ExitCode -eq 1 -and $script:writes -eq 1) 'Preservation failure stops later writes'
Reset;$snapshot=CloneFixture $script:observed;$definition=$definitions[0];$after=Mutate $snapshot $definition;Assert-WelaPsLoggingTransition $snapshot $after $definition;Assert $true 'Exact additive transition accepted'
foreach($property in @('Host','Sources','CurrentUser','PowerShellCoreMachine','PowerShellCoreUser','ProtectedEventLogging','Channel')){$changed=CloneFixture $after;$changed.$property='drift';Reject {Assert-WelaPsLoggingTransition $snapshot $changed $definition} 'Unselected state'}
foreach($property in @('Operator','Host','Sources','CurrentUser','PowerShellCoreMachine','PowerShellCoreUser','ProtectedEventLogging','Channel')){$changed=CloneFixture $after;$changed.$property='drift';Reject {Assert-WelaPsLoggingTransition $snapshot $changed $definition} 'Unselected state'}
$changed=CloneFixture $after;$changed.Machine.Keys[0].Access='new-acl';Reject {Assert-WelaPsLoggingTransition $snapshot $changed $definition} 'descriptor'
$changed=CloneFixture $after;$changed.Machine.Keys=@($changed.Machine.Keys|Where-Object Path -ne Transcription);Reject {Assert-WelaPsLoggingTransition $snapshot $changed $definition} 'disappeared'
$changed=CloneFixture $after;$changed.Machine.Keys+=Row 'extra';Reject {Assert-WelaPsLoggingTransition $snapshot $changed $definition} 'unrequested'