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PTA.ps1
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PTA.ps1
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# This script contains utility functions for PTA
# Error codes
$ERROR_ACCESS_DENIED = 5
$ERROR_ACCOUNT_DISABLED = 1331
$ERROR_ACCOUNT_EXPIRED = 1793
$ERROR_ACCOUNT_LOCKED_OUT = 1909
$ERROR_ACCOUNT_RESTRICTION = 1327
$ERROR_AUTHENTICATION_FIREWALL_FAILED = 1935
$ERROR_BAD_ARGUMENTS = 160
$ERROR_DOMAIN_CONTROLLER_NOT_FOUND = 1908
$ERROR_DOMAIN_TRUST_INCONSISTENT = 1810
$ERROR_FILENAME_EXCED_RANGE = 206
$ERROR_INTERNAL_ERROR = 1359
$ERROR_INVALID_ACCESS = 12
$ERROR_INVALID_LOGON_HOURS = 1328
$ERROR_INVALID_SERVER_STATE = 1352
$ERROR_INVALID_WORKSTATION = 1329
$ERROR_LDAP_FILTER_ERROR = 87
$ERROR_LDAP_OPERATIONS_ERROR = 1
$ERROR_LOGON_FAILURE = 1326
$ERROR_LOGON_TYPE_NOT_GRANTED = 1385
$ERROR_NETLOGON_NOT_STARTED = 1792
$ERROR_NOT_ENOUGH_MEMORY = 8
$ERROR_NOT_ENOUGH_SERVER_MEMORY = 1130
$ERROR_NO_LOGON_SERVERS = 1311
$ERROR_NO_SUCH_DOMAIN = 1355
$ERROR_NO_SUCH_PACKAGE = 1364
$ERROR_NO_SUCH_USER = 1317
$ERROR_NO_SYSTEM_RESOURCES = 1450
$ERROR_NO_TRUST_SAM_ACCOUNT = 1787
$ERROR_OUTOFMEMORY = 14
$ERROR_PASSWORD_EXPIRED = 1330
$ERROR_PASSWORD_MUST_CHANGE = 1907
$ERROR_PASSWORD_RESTRICTION = 1325
$ERROR_REQUEST_NOT_SUPPORTED = 50
$ERROR_RPC_S_CALL_FAILED = 1726
$ERROR_RPC_S_SERVER_UNAVAILABLE = 1722
$ERROR_TIME_SKEW = 1398
$ERROR_TOO_MANY_CONTEXT_IDS = 1384
$ERROR_TRUSTED_DOMAIN_FAILURE = 1788
$ERROR_TRUSTED_RELATIONSHIP_FAILURE = 1789
$ERROR_WRONG_PASSWORD = 1323
$SEC_E_SMARTCARD_LOGON_REQUIRED = -2146892994
# Registers PTAAgent to the Azure AD
# Nov 10th 2019
# Sep 7th 2022: Added UpdateTrust
function Register-PTAAgent
{
<#
.SYNOPSIS
Registers the PTA agent to Azure AD and creates a client certificate or renews existing certificate.
.DESCRIPTION
Registers the PTA agent to Azure AD with given machine name and creates a client certificate or renews existing certificate.
The filename of the certificate is <server FQDN>_<tenant id>_<agent id>_<cert thumbprint>.pfx
.Example
Get-AADIntAccessTokenForPTA -SaveToCache
Register-AADIntPTAAgent -MachineName "server1.company.com"
PTA Agent (005b136f-db3e-4b54-9d8b-8994f7717de6) registered as server1.company.com
Certificate saved to server1.company.com_513d8d3d-7498-4d8c-85ed-b485ed5c39a9_005b136f-db3e-4b54-9d8b-8994f7717de6_6464A8C05194B416B347D65F01F89FCCE66292FB.pfx
.Example
$pt=Get-AADIntAccessTokenForPTA
PS C:\>Register-AADIntPTAAgent -AccessToken $pt -MachineName "server1.company.com"
PTA Agent (005b136f-db3e-4b54-9d8b-8994f7717de6) registered as server1.company.com
Certificate saved to server1.company.com_513d8d3d-7498-4d8c-85ed-b485ed5c39a9_005b136f-db3e-4b54-9d8b-8994f7717de6_6464A8C05194B416B347D65F01F89FCCE66292FB.pfx
.Example
PS C:\>Register-AADIntPTAAgent -MachineName "server1.company.com" -UpdateTrust -PfxFileName .\server1.company.com_513d8d3d-7498-4d8c-85ed-b485ed5c39a9_005b136f-db3e-4b54-9d8b-8994f7717de6_6464A8C05194B416B347D65F01F89FCCE66292FB.pfx
PTA Agent (005b136f-db3e-4b54-9d8b-8994f7717de6) certificate renewed for server1.company.com
Certificate saved to server1.company.com_513d8d3d-7498-4d8c-85ed-b485ed5c39a9_005b136f-db3e-4b54-9d8b-8994f7717de6_449D42C1BA32B23A621EBE62329AE460FE68924B.pfx
#>
[cmdletbinding()]
Param(
[Parameter(Mandatory=$False)]
[String]$AccessToken,
[Parameter(Mandatory=$True)]
[String]$MachineName,
[Parameter(Mandatory=$False)]
[String]$FileName,
[Parameter(ParameterSetName='normal',Mandatory=$False)]
[Parameter(ParameterSetName='update',Mandatory=$True)]
[switch]$UpdateTrust,
[Parameter(Mandatory=$False)]
[String]$Bootstrap,
[Parameter(ParameterSetName='update',Mandatory=$True)]
[String]$PfxFileName,
[Parameter(ParameterSetName='update',Mandatory=$False)]
[String]$PfxPassword
)
Process
{
return Register-ProxyAgent -AccessToken $AccessToken -MachineName $MachineName -FileName $FileName -AgentType PTA -UpdateTrust $UpdateTrust -PfxFileName $PfxFileName -PfxPassword $PfxPassword -Bootstrap $Bootstrap
}
}
# Sets the certificate used by Azure AD Authentication Agent
# Mar 3rd 2020
# May 18th 2022: Fixed
function Set-PTACertificate
{
<#
.SYNOPSIS
Sets the certificate used by Azure AD Authentication Agent
.DESCRIPTION
Sets the certificate used by Azure AD Authentication Agent.
The certificate must be created with Register-AADIntPTAAgent function or exported with Export-AADIntProxyAgentCertificates.
.Example
Set-AADIntPTACertificate -PfxFileName server1.pfx -PfxPassword "password"
#>
[cmdletbinding()]
Param(
[Parameter(Mandatory=$False)]
[String]$PfxFileName="PTA_client_certificate.pfx",
[Parameter(Mandatory=$False)]
[String]$PfxPassword
)
Process
{
# Check if the file exists
if(-not (Test-Path $PfxFileName))
{
Write-Error "The file $PfxFileName does not exist!"
return
}
# Import the certificate twice, otherwise PTAAgent has issues to access private keys
$cert = [System.Security.Cryptography.X509Certificates.X509Certificate2]::new((Get-Item $PfxFileName).FullName, $PfxPassword, [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::MachineKeySet -bor [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::PersistKeySet -bor [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::Exportable)
$cert.Import((Get-Item $PfxFileName).FullName, $PfxPassword, [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::MachineKeySet -bor [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::PersistKeySet -bor [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::Exportable)
# Add certificate to Local Computer Personal store
$myStore = Get-Item -Path "Cert:\LocalMachine\My"
$myStore.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadWrite)
$myStore.Add($cert)
$myStore.Close()
# Get the Tenant Id and Instance Id
$TenantId = $cert.Subject.Split("=")[1]
foreach($extension in $cert.Extensions)
{
if($extension.Oid.Value -eq "1.3.6.1.4.1.311.82.1")
{
$InstanceID = [guid]$extension.RawData
break
}
}
# Set the registry value (the registy entry should already exists)
Write-Verbose "Setting HKLM:\SOFTWARE\Microsoft\Azure AD Connect Agents\Azure AD Connect Authentication Agent\InstanceID to $InstanceID"
Set-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Azure AD Connect Agents\Azure AD Connect Authentication Agent" -Name "InstanceID" -Value $InstanceID
if(![string]::IsNullOrEmpty($TenantId))
{
Write-Verbose "Setting HKLM:\SOFTWARE\Microsoft\Azure AD Connect Agents\Azure AD Connect Authentication Agent\TenantID to $TenantId"
Set-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Azure AD Connect Agents\Azure AD Connect Authentication Agent" -Name "TenantID" -Value $TenantId
}
# Set the certificate thumbprint to config file
$configFile = "$env:ProgramData\Microsoft\Azure AD Connect Authentication Agent\Config\TrustSettings.xml"
Write-Verbose "Setting the certificate thumbprint $($cert.Thumbprint) to $configFile"
[xml]$TrustConfig = Get-Content $configFile
$TrustConfig.ConnectorTrustSettingsFile.CloudProxyTrust.Thumbprint = $cert.Thumbprint
$TrustConfig.ConnectorTrustSettingsFile.CloudProxyTrust.IsInUserStore = "false"
$TrustConfig.OuterXml | Set-Content $configFile
# Set the read access to private key
$ServiceUser="NT SERVICE\AzureADConnectAuthenticationAgent"
# Create an accessrule for private key
$AccessRule = New-Object Security.AccessControl.FileSystemAccessrule $ServiceUser, "read", allow
# Give read permissions to the private key
$keyName = [System.Security.Cryptography.X509Certificates.RSACertificateExtensions]::GetRSAPrivateKey($cert).Key.UniqueName
Write-Verbose "Private key: $keyName"
$paths = @(
"$env:ALLUSERSPROFILE\Microsoft\Crypto\RSA\MachineKeys\$keyName"
"$env:ALLUSERSPROFILE\Microsoft\Crypto\Keys\$keyName"
)
foreach($path in $paths)
{
if(Test-Path $path)
{
Write-Verbose "Setting read access for ($ServiceUser) to the private key ($path)"
try
{
$permissions = Get-Acl -Path $path -ErrorAction SilentlyContinue
$permissions.AddAccessRule($AccessRule)
Set-Acl -Path $path -AclObject $permissions -ErrorAction SilentlyContinue
}
catch
{
Write-Error "Could not give read access for ($ServiceUser) to the private key ($path)!"
}
break
}
}
Write-Host "`nCertification information set, remember to (re)start the service."
}
}