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// Licensed under the MIT License.
// ----------------------------------------------------------------------
// Contents: Entry points for managed PowerShell plugin worker used to
// host powershell in a WSMan service.
// ----------------------------------------------------------------------
using System.Threading;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Security.Principal;
using System.Collections.Generic;
using Microsoft.Win32.SafeHandles;
using System.Management.Automation.Internal;
using System.Management.Automation.Remoting.Client;
using System.Management.Automation.Remoting.Server;
using System.Management.Automation.Remoting.WSMan;
using System.Management.Automation.Tracing;
using Dbg = System.Management.Automation.Diagnostics;
namespace System.Management.Automation.Remoting
{
/// <summary>
/// Consolidation of constants for uniformity.
/// </summary>
internal static class WSManPluginConstants
{
internal const int ExitCodeSuccess = 0x00000000;
internal const int ExitCodeFailure = 0x00000001;
internal const string CtrlCSignal = "powershell/signal/crtl_c";
// The following are the only supported streams in PowerShell remoting.
// see WSManNativeApi.cs. These are duplicated here to save on
// Marshalling time.
internal const string SupportedInputStream = "stdin";
internal const string SupportedOutputStream = "stdout";
internal const string SupportedPromptResponseStream = "pr";
internal const string PowerShellStartupProtocolVersionName = "protocolversion";
internal const string PowerShellStartupProtocolVersionValue = "2.0";
internal const string PowerShellOptionPrefix = "PS_";
internal const int WSManPluginParamsGetRequestedLocale = 5;
internal const int WSManPluginParamsGetRequestedDataLocale = 6;
}
/// <summary>
/// Definitions of HRESULT error codes that are passed to the client.
/// 0x8054.... means that it is a PowerShell HRESULT. The PowerShell facility
/// is 84 (0x54).
/// </summary>
internal enum WSManPluginErrorCodes : int
{
NullPluginContext = -2141976624, // 0x805407D0
PluginContextNotFound = -2141976623, // 0x805407D1
NullInvalidInput = -2141975624, // 0x80540BB8
NullInvalidStreamSets = -2141975623, // 0x80540BB9
SessionCreationFailed = -2141975622, // 0x80540BBA
NullShellContext = -2141975621, // 0x80540BBB
InvalidShellContext = -2141975620, // 0x80540BBC
InvalidCommandContext = -2141975619, // 0x80540BBD
InvalidInputStream = -2141975618, // 0x80540BBE
InvalidInputDatatype = -2141975617, // 0x80540BBF
InvalidOutputStream = -2141975616, // 0x80540BC0
InvalidSenderDetails = -2141975615, // 0x80540BC1
ShutdownRegistrationFailed = -2141975614, // 0x80540BC2
ReportContextFailed = -2141975613, // 0x80540BC3
InvalidArgSet = -2141975612, // 0x80540BC4
ProtocolVersionNotMatch = -2141975611, // 0x80540BC5
OptionNotUnderstood = -2141975610, // 0x80540BC6
ProtocolVersionNotFound = -2141975609, // 0x80540BC7
ManagedException = -2141974624, // 0x80540FA0
PluginOperationClose = -2141974623, // 0x80540FA1
PluginConnectNoNegotiationData = -2141974622, // 0x80540FA2
PluginConnectOperationFailed = -2141974621, // 0x80540FA3
NoError = 0,
OutOfMemory = -2147024882 // 0x8007000E
}
/// <summary>
/// Class that holds plugin + shell context information used to handle
/// shutdown notifications.
///
/// Explicit destruction and release of the IntPtrs is not required because
/// their lifetime is managed by WinRM.
/// </summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
internal class WSManPluginOperationShutdownContext // TODO: Rename to OperationShutdownContext when removing the MC++ module.
{
#region Internal Members
internal IntPtr pluginContext;
internal IntPtr shellContext;
internal IntPtr commandContext;
internal bool isReceiveOperation;
internal bool isShuttingDown;
#endregion
#region Constructors
internal WSManPluginOperationShutdownContext(
IntPtr plgContext,
IntPtr shContext,
IntPtr cmdContext,
bool isRcvOp)
{
pluginContext = plgContext;
shellContext = shContext;
commandContext = cmdContext;
isReceiveOperation = isRcvOp;
isShuttingDown = false;
}
#endregion
}
/// <summary>
/// Represents the logical grouping of all actions required to handle the
/// lifecycle of shell sessions through the WinRM plugin.
/// </summary>
internal class WSManPluginInstance
{
#region Private Members
private readonly Dictionary<IntPtr, WSManPluginShellSession> _activeShellSessions;
private readonly object _syncObject;
private static readonly Dictionary<IntPtr, WSManPluginInstance> s_activePlugins = new Dictionary<IntPtr, WSManPluginInstance>();
/// <summary>
/// Enables dependency injection after the static constructor is called.
/// This may be overridden in unit tests to enable different behavior.
/// It is static because static instances of this class use the facade. Otherwise,
/// it would be passed in via a parameterized constructor.
/// </summary>
internal static readonly IWSManNativeApiFacade wsmanPinvokeStatic = new WSManNativeApiFacade();
#endregion
#region Constructor and Destructor
internal WSManPluginInstance()
{
_activeShellSessions = new Dictionary<IntPtr, WSManPluginShellSession>();
_syncObject = new object();
}
/// <summary>
/// Static constructor to listen to unhandled exceptions
/// from the AppDomain and log the errors
/// Note: It is not necessary to instantiate IWSManNativeApi here because it is not used.
/// </summary>
static WSManPluginInstance()
{
// NOTE - the order is important here:
// because handler from WindowsErrorReporting is going to terminate the process
// we want it to fire last
#if !CORECLR
// Register our remoting handler for crashes
AppDomain currentDomain = AppDomain.CurrentDomain;
currentDomain.UnhandledException +=
new UnhandledExceptionEventHandler(WSManPluginInstance.UnhandledExceptionHandler);
#endif
}
#endregion
/// <summary>
/// Create a new shell in the plugin context.
/// </summary>
/// <param name="pluginContext"></param>
/// <param name="requestDetails"></param>
/// <param name="flags"></param>
/// <param name="extraInfo"></param>
/// <param name="startupInfo"></param>
/// <param name="inboundShellInformation"></param>
internal void CreateShell(
IntPtr pluginContext,
WSManNativeApi.WSManPluginRequest requestDetails,
int flags,
string extraInfo,
WSManNativeApi.WSManShellStartupInfo_UnToMan startupInfo,
WSManNativeApi.WSManData_UnToMan inboundShellInformation)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateRemoteSession,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"null",
"CreateShell: Create a new shell in the plugin context",
string.Empty);
if (requestDetails == null)
{
// Nothing can be done because requestDetails are required to report operation complete
PSEtwLog.LogAnalyticInformational(PSEventId.ReportOperationComplete,
PSOpcode.Close, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"null",
Convert.ToString(WSManPluginErrorCodes.NullInvalidInput, CultureInfo.InvariantCulture),
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidInput,
"requestDetails",
"WSManPluginShell"),
string.Empty);
return;
}
if ((requestDetails.senderDetails == null) ||
(requestDetails.operationInfo == null))
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.NullInvalidInput,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidInput,
"requestDetails",
"WSManPluginShell"));
return;
}
if (startupInfo == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.NullInvalidInput,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidInput,
"startupInfo",
"WSManPluginShell"));
return;
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateRemoteSession,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
requestDetails.ToString(),
"CreateShell: NULL checks being performed",
string.Empty);
if ((startupInfo.inputStreamSet.streamIDsCount == 0) || (startupInfo.outputStreamSet.streamIDsCount == 0))
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.NullInvalidStreamSets,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidStreamSet,
WSManPluginConstants.SupportedInputStream,
WSManPluginConstants.SupportedOutputStream));
return;
}
if (string.IsNullOrEmpty(extraInfo))
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.NullInvalidInput,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidInput,
"extraInfo",
"WSManPluginShell"));
return;
}
WSManPluginInstance.SetThreadProperties(requestDetails);
// check if protocolversion option is honored
if (!EnsureOptionsComply(requestDetails))
{
return;
}
int result = WSManPluginConstants.ExitCodeSuccess;
WSManPluginShellSession mgdShellSession;
WSManPluginOperationShutdownContext context;
byte[] convertedBase64 = null;
try
{
PSSenderInfo senderInfo = GetPSSenderInfo(requestDetails.senderDetails);
// inbound shell information is already verified by pwrshplugin.dll.. so no need
// to verify here.
WSManPluginServerTransportManager serverTransportMgr;
if (Platform.IsWindows)
{
serverTransportMgr = new WSManPluginServerTransportManager(BaseTransportManager.DefaultFragmentSize, new PSRemotingCryptoHelperServer());
}
else
{
serverTransportMgr = new WSManPluginServerTransportManager(BaseTransportManager.DefaultFragmentSize, null);
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateRemoteSession,
PSOpcode.Connect, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
requestDetails.ToString(), senderInfo.UserInfo.Identity.Name, requestDetails.resourceUri);
ServerRemoteSession remoteShellSession = ServerRemoteSession.CreateServerRemoteSession(
senderInfo: senderInfo,
configurationProviderId: requestDetails.resourceUri,
initializationParameters: extraInfo,
transportManager: serverTransportMgr,
initialCommand: null, // Not used by WinRM endpoint.
configurationName: null, // Not used by WinRM endpoint, which has its own configuration.
configurationFile: null, // Same.
initialLocation: null); // Same.
if (remoteShellSession == null)
{
WSManPluginInstance.ReportWSManOperationComplete(
requestDetails,
WSManPluginErrorCodes.SessionCreationFailed);
return;
}
context = new WSManPluginOperationShutdownContext(pluginContext, requestDetails.unmanagedHandle, IntPtr.Zero, false);
if (context == null)
{
ReportOperationComplete(requestDetails, WSManPluginErrorCodes.OutOfMemory);
return;
}
// Create a shell session wrapper to track and service future interactions.
mgdShellSession = new WSManPluginShellSession(requestDetails, serverTransportMgr, remoteShellSession, context);
AddToActiveShellSessions(mgdShellSession);
mgdShellSession.SessionClosed += HandleShellSessionClosed;
if (inboundShellInformation != null)
{
if (inboundShellInformation.Type != (uint)WSManNativeApi.WSManDataType.WSMAN_DATA_TYPE_TEXT)
{
// only text data is supported
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidInputDatatype,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidInputDataType,
"WSMAN_DATA_TYPE_TEXT"));
DeleteFromActiveShellSessions(requestDetails.unmanagedHandle);
return;
}
else
{
convertedBase64 = ServerOperationHelpers.ExtractEncodedXmlElement(
inboundShellInformation.Text,
WSManNativeApi.PS_CREATION_XML_TAG);
}
}
// now report the shell context to WSMan.
PSEtwLog.LogAnalyticInformational(
PSEventId.ReportContext,
PSOpcode.Connect, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
requestDetails.ToString(), requestDetails.ToString());
result = wsmanPinvokeStatic.WSManPluginReportContext(requestDetails.unmanagedHandle, 0, requestDetails.unmanagedHandle);
if (result != WSManPluginConstants.ExitCodeSuccess)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.ReportContextFailed,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginReportContextFailed));
DeleteFromActiveShellSessions(requestDetails.unmanagedHandle);
return;
}
}
catch (System.Exception e)
{
PSEtwLog.LogOperationalError(PSEventId.TransportError,
PSOpcode.Connect, PSTask.None, PSKeyword.UseAlwaysOperational, "00000000-0000-0000-0000-000000000000", "00000000-0000-0000-0000-000000000000",
Convert.ToString(WSManPluginErrorCodes.ManagedException, CultureInfo.InvariantCulture), e.Message, e.StackTrace);
DeleteFromActiveShellSessions(requestDetails.unmanagedHandle);
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.ManagedException,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginManagedException,
e.Message));
return;
}
bool isRegisterWaitForSingleObjectSucceeded = true;
// always synchronize calls to OperationComplete once notification handle is registered.. else duplicate OperationComplete calls are bound to happen
lock (mgdShellSession.shellSyncObject)
{
mgdShellSession.registeredShutdownNotification = 1;
// Wrap the provided handle so it can be passed to the registration function
EventWaitHandle eventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
if (Platform.IsWindows)
{
SafeWaitHandle safeWaitHandle = new SafeWaitHandle(requestDetails.shutdownNotificationHandle, false); // Owned by WinRM
eventWaitHandle.SafeWaitHandle = safeWaitHandle;
}
else
{
// On non-windows platforms the shutdown notification is done through a callback instead of a windows event handle.
// Register the callback and this will then signal the event. Note, the gch object is deleted in the shell shutdown
// notification that will always come in to shut down the operation.
GCHandle gch = GCHandle.Alloc(eventWaitHandle);
IntPtr p = GCHandle.ToIntPtr(gch);
wsmanPinvokeStatic.WSManPluginRegisterShutdownCallback(
requestDetails.unmanagedHandle,
WSManPluginManagedEntryWrapper.workerPtrs.UnmanagedStruct.wsManPluginShutdownCallbackNative,
p);
}
mgdShellSession.registeredShutDownWaitHandle = ThreadPool.RegisterWaitForSingleObject(
eventWaitHandle,
new WaitOrTimerCallback(WSManPluginManagedEntryWrapper.PSPluginOperationShutdownCallback),
context,
-1, // INFINITE
true); // TODO: Do I need to worry not being able to set missing WT_TRANSFER_IMPERSONATION?
if (mgdShellSession.registeredShutDownWaitHandle == null)
{
isRegisterWaitForSingleObjectSucceeded = false;
}
}
if (!isRegisterWaitForSingleObjectSucceeded)
{
mgdShellSession.registeredShutdownNotification = 0;
WSManPluginInstance.ReportWSManOperationComplete(
requestDetails,
WSManPluginErrorCodes.ShutdownRegistrationFailed);
DeleteFromActiveShellSessions(requestDetails.unmanagedHandle);
return;
}
try
{
if (convertedBase64 != null)
{
mgdShellSession.SendOneItemToSessionHelper(convertedBase64, WSManPluginConstants.SupportedInputStream);
}
}
catch (System.Exception e)
{
PSEtwLog.LogOperationalError(PSEventId.TransportError,
PSOpcode.Connect, PSTask.None, PSKeyword.UseAlwaysOperational, "00000000-0000-0000-0000-000000000000", "00000000-0000-0000-0000-000000000000",
Convert.ToString(WSManPluginErrorCodes.ManagedException, CultureInfo.InvariantCulture), e.Message, e.StackTrace);
if (Interlocked.Exchange(ref mgdShellSession.registeredShutdownNotification, 0) == 1)
{
// unregister callback.. wait for any ongoing callbacks to complete.. nothing much we could do if this fails
bool ignore = mgdShellSession.registeredShutDownWaitHandle.Unregister(null);
mgdShellSession.registeredShutDownWaitHandle = null;
// this will called OperationComplete
PerformCloseOperation(context);
}
return;
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateRemoteSession,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
requestDetails.ToString(),
"CreateShell: Completed",
string.Empty);
return;
}
/// <summary>
/// This gets called on a thread pool thread once Shutdown wait handle is notified.
/// </summary>
/// <param name="context"></param>
internal void CloseShellOperation(
WSManPluginOperationShutdownContext context)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCloseOperation,
PSOpcode.Disconnect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)context.shellContext).ToString(),
((IntPtr)context.commandContext).ToString(),
context.isReceiveOperation.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(context.shellContext);
if (mgdShellSession == null)
{
// this should never be the case. this will protect the service.
// Dbg.Assert(false, "context.shellContext not matched");
return;
}
// update the internal data store only if this is not receive operation.
if (!context.isReceiveOperation)
{
DeleteFromActiveShellSessions(context.shellContext);
}
System.Exception reasonForClose = new System.Exception(RemotingErrorIdStrings.WSManPluginOperationClose);
mgdShellSession.CloseOperation(context, reasonForClose);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCloseOperation,
PSOpcode.Disconnect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"CloseShellOperation: Completed",
string.Empty);
}
internal void CloseCommandOperation(
WSManPluginOperationShutdownContext context)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCloseOperation,
PSOpcode.Disconnect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
context.shellContext.ToString(),
context.commandContext.ToString(),
context.isReceiveOperation.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(context.shellContext);
if (mgdShellSession == null)
{
// this should never be the case. this will protect the service.
// Dbg.Assert(false, "context.shellContext not matched");
return;
}
mgdShellSession.CloseCommandOperation(context);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCloseOperation,
PSOpcode.Disconnect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"CloseCommandOperation: Completed",
string.Empty);
}
/// <summary>
/// Adds shell session to activeShellSessions store and returns the id
/// at which the session is added.
/// </summary>
/// <param name="newShellSession"></param>
private void AddToActiveShellSessions(
WSManPluginShellSession newShellSession)
{
int count = -1;
lock (_syncObject)
{
IntPtr key = newShellSession.creationRequestDetails.unmanagedHandle;
Dbg.Assert(key != IntPtr.Zero, "NULL handles should not be provided");
if (!_activeShellSessions.ContainsKey(key))
{
_activeShellSessions.Add(key, newShellSession);
// trigger an event outside the lock
count = _activeShellSessions.Count;
}
}
if (count != -1)
{
// Raise session count changed event
WSManServerChannelEvents.RaiseActiveSessionsChangedEvent(new ActiveSessionsChangedEventArgs(count));
}
}
/// <summary>
/// Retrieves a WSManPluginShellSession if matched.
/// </summary>
/// <param name="key">Shell context (WSManPluginRequest.unmanagedHandle).</param>
/// <returns>Null WSManPluginShellSession if not matched. The object if matched.</returns>
private WSManPluginShellSession GetFromActiveShellSessions(
IntPtr key)
{
lock (_syncObject)
{
WSManPluginShellSession result;
_activeShellSessions.TryGetValue(key, out result);
return result;
}
}
/// <summary>
/// Removes a WSManPluginShellSession from tracking.
/// </summary>
/// <param name="keyToDelete">IntPtr of a WSManPluginRequest structure.</param>
private void DeleteFromActiveShellSessions(
IntPtr keyToDelete)
{
int count = -1;
lock (_syncObject)
{
if (_activeShellSessions.Remove(keyToDelete))
{
// trigger an event outside the lock
count = _activeShellSessions.Count;
}
}
if (count != -1)
{
// Raise session count changed event
WSManServerChannelEvents.RaiseActiveSessionsChangedEvent(new ActiveSessionsChangedEventArgs(count));
}
}
/// <summary>
/// Triggers a shell close from an event handler.
/// </summary>
/// <param name="source">Shell context.</param>
/// <param name="e"></param>
private void HandleShellSessionClosed(
object source,
EventArgs e)
{
DeleteFromActiveShellSessions((IntPtr)source);
}
/// <summary>
/// Helper function to validate incoming values.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="shellContext"></param>
/// <param name="inputFunctionName"></param>
/// <returns></returns>
private static bool validateIncomingContexts(
WSManNativeApi.WSManPluginRequest requestDetails,
IntPtr shellContext,
string inputFunctionName)
{
if (requestDetails == null)
{
// Nothing can be done because requestDetails are required to report operation complete
PSEtwLog.LogAnalyticInformational(
PSEventId.ReportOperationComplete,
PSOpcode.Close, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"null",
Convert.ToString(WSManPluginErrorCodes.NullInvalidInput, CultureInfo.InvariantCulture),
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidInput,
"requestDetails",
inputFunctionName),
string.Empty);
return false;
}
if (shellContext == IntPtr.Zero)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.NullShellContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullShellContext,
"ShellContext",
inputFunctionName));
return false;
}
return true;
}
/// <summary>
/// Create a new command in the shell context.
/// </summary>
/// <param name="pluginContext"></param>
/// <param name="requestDetails"></param>
/// <param name="flags"></param>
/// <param name="shellContext"></param>
/// <param name="commandLine"></param>
/// <param name="arguments"></param>
internal void CreateCommand(
IntPtr pluginContext,
WSManNativeApi.WSManPluginRequest requestDetails,
int flags,
IntPtr shellContext,
string commandLine,
WSManNativeApi.WSManCommandArgSet arguments)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateCommandSession,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"CreateCommand: Create a new command in the shell context",
string.Empty);
if (!validateIncomingContexts(requestDetails, shellContext, "WSManRunShellCommandEx"))
{
return;
}
SetThreadProperties(requestDetails);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateCommandSession,
PSOpcode.Connect, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(), requestDetails.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(shellContext);
if (mgdShellSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidShellContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidShellContext));
return;
}
mgdShellSession.CreateCommand(pluginContext, requestDetails, flags, commandLine, arguments);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerCreateCommandSession,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"CreateCommand: Create a new command in the shell context completed",
string.Empty);
}
internal void StopCommand(
WSManNativeApi.WSManPluginRequest requestDetails,
IntPtr shellContext,
IntPtr commandContext)
{
if (requestDetails == null)
{
// Nothing can be done because requestDetails are required to report operation complete
PSEtwLog.LogAnalyticInformational(
PSEventId.ReportOperationComplete,
PSOpcode.Close, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"null",
Convert.ToString(WSManPluginErrorCodes.NullInvalidInput, CultureInfo.InvariantCulture),
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginNullInvalidInput,
"requestDetails",
"StopCommand"),
string.Empty);
return;
}
SetThreadProperties(requestDetails);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerStopCommand,
PSOpcode.Disconnect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(),
((IntPtr)commandContext).ToString(),
requestDetails.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(shellContext);
if (mgdShellSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidShellContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidShellContext));
return;
}
WSManPluginCommandSession mgdCommandSession = mgdShellSession.GetCommandSession(commandContext);
if (mgdCommandSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidCommandContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidCommandContext));
return;
}
mgdCommandSession.Stop(requestDetails);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerStopCommand,
PSOpcode.Disconnect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
"StopCommand: completed",
string.Empty);
}
internal void Shutdown()
{
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManPluginShutdown,
PSOpcode.ShuttingDown, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic);
// all active shells should be closed at this point
Dbg.Assert(_activeShellSessions.Count == 0, "All active shells should be closed");
// raise shutting down notification
WSManServerChannelEvents.RaiseShuttingDownEvent();
}
/// <summary>
/// Connect.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="flags"></param>
/// <param name="shellContext"></param>
/// <param name="commandContext"></param>
/// <param name="inboundConnectInformation"></param>
internal void ConnectShellOrCommand(
WSManNativeApi.WSManPluginRequest requestDetails,
int flags,
IntPtr shellContext,
IntPtr commandContext,
WSManNativeApi.WSManData_UnToMan inboundConnectInformation)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"ConnectShellOrCommand: Connect",
string.Empty);
if (!validateIncomingContexts(requestDetails, shellContext, "ConnectShellOrCommand"))
{
return;
}
// TODO... What does this mean from a new client that has specified diff locale from original client?
SetThreadProperties(requestDetails);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(),
((IntPtr)commandContext).ToString(),
requestDetails.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(shellContext);
if (mgdShellSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidShellContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidShellContext));
return;
}
if (commandContext == IntPtr.Zero)
{
mgdShellSession.ExecuteConnect(requestDetails, flags, inboundConnectInformation);
return;
}
// this connect is on a command
WSManPluginCommandSession mgdCmdSession = mgdShellSession.GetCommandSession(commandContext);
if (mgdCmdSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidCommandContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidCommandContext));
return;
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(),
((IntPtr)commandContext).ToString(),
requestDetails.ToString());
mgdCmdSession.ExecuteConnect(requestDetails, flags, inboundConnectInformation);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Connect,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"ConnectShellOrCommand: ExecuteConnect invoked",
string.Empty);
}
/// <summary>
/// Send data to the shell / command specified.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="flags"></param>
/// <param name="shellContext"></param>
/// <param name="commandContext"></param>
/// <param name="stream"></param>
/// <param name="inboundData"></param>
internal void SendOneItemToShellOrCommand(
WSManNativeApi.WSManPluginRequest requestDetails,
int flags,
IntPtr shellContext,
IntPtr commandContext,
string stream,
WSManNativeApi.WSManData_UnToMan inboundData)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"SendOneItemToShellOrCommand: Send data to the shell / command specified",
string.Empty);
if (!validateIncomingContexts(requestDetails, shellContext, "SendOneItemToShellOrCommand"))
{
return;
}
SetThreadProperties(requestDetails);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(),
((IntPtr)commandContext).ToString(),
requestDetails.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(shellContext);
if (mgdShellSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidShellContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidShellContext)
);
return;
}
if (commandContext == IntPtr.Zero)
{
// the data is destined for shell (runspace) session. so let shell handle it
mgdShellSession.SendOneItemToSession(requestDetails, flags, stream, inboundData);
return;
}
// the data is destined for command.
WSManPluginCommandSession mgdCmdSession = mgdShellSession.GetCommandSession(commandContext);
if (mgdCmdSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidCommandContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidCommandContext));
return;
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(),
((IntPtr)commandContext).ToString(),
requestDetails.ToString());
mgdCmdSession.SendOneItemToSession(requestDetails, flags, stream, inboundData);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"SendOneItemToShellOrCommand: SendOneItemToSession invoked",
string.Empty);
}
/// <summary>
/// Unlock the shell / command specified so that the shell / command
/// starts sending data to the client.
/// </summary>
/// <param name="pluginContext"></param>
/// <param name="requestDetails"></param>
/// <param name="flags"></param>
/// <param name="shellContext"></param>
/// <param name="commandContext"></param>
/// <param name="streamSet"></param>
internal void EnableShellOrCommandToSendDataToClient(
IntPtr pluginContext,
WSManNativeApi.WSManPluginRequest requestDetails,
int flags,
IntPtr shellContext,
IntPtr commandContext,
WSManNativeApi.WSManStreamIDSet_UnToMan streamSet)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerClientReceiveRequest,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"EnableShellOrCommandToSendDataToClient: unlock the shell / command specified so that the shell / command starts sending data to the client.",
string.Empty);
if (!validateIncomingContexts(requestDetails, shellContext, "EnableShellOrCommandToSendDataToClient"))
{
return;
}
SetThreadProperties(requestDetails);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerClientReceiveRequest,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
((IntPtr)shellContext).ToString(),
((IntPtr)commandContext).ToString(),
requestDetails.ToString());
WSManPluginShellSession mgdShellSession = GetFromActiveShellSessions(shellContext);
if (mgdShellSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidShellContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidShellContext)
);
return;
}
WSManPluginOperationShutdownContext ctxtToReport = new WSManPluginOperationShutdownContext(pluginContext, shellContext, IntPtr.Zero, true);
if (ctxtToReport == null)
{
ReportOperationComplete(requestDetails, WSManPluginErrorCodes.OutOfMemory);
return;
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerClientReceiveRequest,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"EnableShellOrCommandToSendDataToClient: Instruction destined to shell or for command",
string.Empty);
if (commandContext == IntPtr.Zero)
{
// the instruction is destined for shell (runspace) session. so let shell handle it
if (mgdShellSession.EnableSessionToSendDataToClient(requestDetails, flags, streamSet, ctxtToReport))
{
return;
}
}
else
{
// the instruction is destined for command
ctxtToReport.commandContext = commandContext;
WSManPluginCommandSession mgdCmdSession = mgdShellSession.GetCommandSession(commandContext);
if (mgdCmdSession == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.InvalidCommandContext,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginInvalidCommandContext));
return;
}
if (mgdCmdSession.EnableSessionToSendDataToClient(requestDetails, flags, streamSet, ctxtToReport))
{
return;
}
}
}
/// <summary>
/// Used to create PSPrincipal object from senderDetails struct.
/// </summary>
/// <param name="senderDetails"></param>
/// <returns></returns>
private static PSSenderInfo GetPSSenderInfo(
WSManNativeApi.WSManSenderDetails senderDetails)
{
// senderDetails will not be null.
Dbg.Assert(senderDetails != null, "senderDetails cannot be null");
// Construct PSIdentity
PSCertificateDetails psCertDetails = null;
// Construct Certificate Details
if (senderDetails.certificateDetails != null)
{
psCertDetails = new PSCertificateDetails(
senderDetails.certificateDetails.subject,
senderDetails.certificateDetails.issuerName,
senderDetails.certificateDetails.issuerThumbprint);
}
// Construct PSPrincipal
PSIdentity psIdentity = new PSIdentity(senderDetails.authenticationMechanism, true, senderDetails.senderName, psCertDetails);
// For Virtual and RunAs accounts WSMan specifies the client token via an environment variable and
// senderDetails.clientToken should not be used.
IntPtr clientToken = GetRunAsClientToken();
clientToken = (clientToken != IntPtr.Zero) ? clientToken : senderDetails.clientToken;
WindowsIdentity windowsIdentity = null;
if (clientToken != IntPtr.Zero)
{
try
{
windowsIdentity = new WindowsIdentity(clientToken, senderDetails.authenticationMechanism);
}
// Suppress exceptions..So windowsIdentity = null in these cases
catch (ArgumentException)
{
// userToken is 0.
// -or-
// userToken is duplicated and invalid for impersonation.
}
catch (System.Security.SecurityException)
{
// The caller does not have the correct permissions.
// -or-
// A Win32 error occurred.
}
}
PSPrincipal userPrincipal = new PSPrincipal(psIdentity, windowsIdentity);
PSSenderInfo result = new PSSenderInfo(userPrincipal, senderDetails.httpUrl);
return result;
}
private const string WSManRunAsClientTokenName = "__WINRM_RUNAS_CLIENT_TOKEN__";
/// <summary>
/// Helper method to retrieve the WSMan client token from the __WINRM_RUNAS_CLIENT_TOKEN__
/// environment variable, which is set in the WSMan layer for Virtual or RunAs accounts.
/// </summary>
/// <returns>ClientToken IntPtr.</returns>
private static IntPtr GetRunAsClientToken()
{
string clientTokenStr = System.Environment.GetEnvironmentVariable(WSManRunAsClientTokenName);
if (clientTokenStr != null)
{
// Remove the token value from the environment variable
System.Environment.SetEnvironmentVariable(WSManRunAsClientTokenName, null);
int clientTokenInt;
if (int.TryParse(clientTokenStr, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out clientTokenInt))
{
return new IntPtr(clientTokenInt);
}
}
return IntPtr.Zero;
}
/// <summary>
/// Was private. Made protected internal for easier testing.
/// </summary>
/// <param name="requestDetails"></param>
/// <returns></returns>
protected internal bool EnsureOptionsComply(
WSManNativeApi.WSManPluginRequest requestDetails)
{
WSManNativeApi.WSManOption[] options = requestDetails.operationInfo.optionSet.options;
bool isProtocolVersionDeclared = false;
for (int i = 0; i < options.Length; i++) // What about requestDetails.operationInfo.optionSet.optionsCount? It is a hold over from the C++ API. Safer is Length.
{
WSManNativeApi.WSManOption option = options[i];
if (string.Equals(option.name, WSManPluginConstants.PowerShellStartupProtocolVersionName, StringComparison.Ordinal))
{
if (!EnsureProtocolVersionComplies(requestDetails, option.value))
{
return false;
}
isProtocolVersionDeclared = true;
}
if (string.Compare(option.name, 0, WSManPluginConstants.PowerShellOptionPrefix, 0, WSManPluginConstants.PowerShellOptionPrefix.Length, StringComparison.Ordinal) == 0)
{
if (option.mustComply)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.OptionNotUnderstood,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginOptionNotUnderstood,
option.name,
System.Management.Automation.PSVersionInfo.GitCommitId,
WSManPluginConstants.PowerShellStartupProtocolVersionValue));
return false;
}
}
}
if (!isProtocolVersionDeclared)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.ProtocolVersionNotFound,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginProtocolVersionNotFound,
WSManPluginConstants.PowerShellStartupProtocolVersionName,
System.Management.Automation.PSVersionInfo.GitCommitId,
WSManPluginConstants.PowerShellStartupProtocolVersionValue));
return false;
}
return true;
}
/// <summary>
/// Verifies that the protocol version is in the correct syntax and supported.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="clientVersionString"></param>
/// <returns></returns>
protected internal bool EnsureProtocolVersionComplies(
WSManNativeApi.WSManPluginRequest requestDetails,
string clientVersionString)
{
if (string.Equals(clientVersionString, WSManPluginConstants.PowerShellStartupProtocolVersionValue, StringComparison.Ordinal))
{
return true;
}
// Check if major versions are equal and server's minor version is smaller..
// if so client's version is supported by the server. The understanding is
// that minor version changes do not break the protocol.
System.Version clientVersion = Utils.StringToVersion(clientVersionString);
System.Version serverVersion = Utils.StringToVersion(WSManPluginConstants.PowerShellStartupProtocolVersionValue);
if ((clientVersion != null) && (serverVersion != null) &&
(clientVersion.Major == serverVersion.Major) &&
(clientVersion.Minor >= serverVersion.Minor))
{
return true;
}
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.ProtocolVersionNotMatch,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginProtocolVersionNotMatch,
WSManPluginConstants.PowerShellStartupProtocolVersionValue,
System.Management.Automation.PSVersionInfo.GitCommitId,
clientVersionString));
return false;
}
/// <summary>
/// Static func to take care of unmanaged to managed transitions.
/// </summary>
/// <param name="pluginContext"></param>
/// <param name="requestDetails"></param>
/// <param name="flags"></param>
/// <param name="extraInfo"></param>
/// <param name="startupInfo"></param>
/// <param name="inboundShellInformation"></param>
internal static void PerformWSManPluginShell(
IntPtr pluginContext, // PVOID
IntPtr requestDetails, // WSMAN_PLUGIN_REQUEST*
int flags,
string extraInfo,
IntPtr startupInfo, // WSMAN_SHELL_STARTUP_INFO*
IntPtr inboundShellInformation) // WSMAN_DATA*
{
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginShell: static func to take care of unmanaged to managed transitions.",
string.Empty);
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
lock (s_activePlugins)
{
pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
// create a new plugin
WSManPluginInstance mgdPlugin = new WSManPluginInstance();
AddToActivePlugins(pluginContext, mgdPlugin);
pluginToUse = mgdPlugin;
}
}
}
// Marshal the incoming pointers into managed types prior to the call
WSManNativeApi.WSManPluginRequest requestDetailsInstance = WSManNativeApi.WSManPluginRequest.UnMarshal(requestDetails);
WSManNativeApi.WSManShellStartupInfo_UnToMan startupInfoInstance = WSManNativeApi.WSManShellStartupInfo_UnToMan.UnMarshal(startupInfo);
WSManNativeApi.WSManData_UnToMan inboundShellInfo = WSManNativeApi.WSManData_UnToMan.UnMarshal(inboundShellInformation);
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
requestDetailsInstance.ToString(),
requestDetailsInstance.resourceUri);
pluginToUse.CreateShell(pluginContext, requestDetailsInstance, flags, extraInfo, startupInfoInstance, inboundShellInfo);
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginShell: Completed",
string.Empty);
}
internal static void PerformWSManPluginCommand(
IntPtr pluginContext,
IntPtr requestDetails, // WSMAN_PLUGIN_REQUEST*
int flags,
IntPtr shellContext, // PVOID
[MarshalAs(UnmanagedType.LPWStr)] string commandLine,
IntPtr arguments) // WSMAN_COMMAND_ARG_SET*
{
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginCommand: static func to take care of unmanaged to managed transitions.",
string.Empty);
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.PluginContextNotFound,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginContextNotFound));
return;
}
// Marshal the incoming pointers into managed types prior to the call
WSManNativeApi.WSManPluginRequest request = WSManNativeApi.WSManPluginRequest.UnMarshal(requestDetails);
WSManNativeApi.WSManCommandArgSet argSet = WSManNativeApi.WSManCommandArgSet.UnMarshal(arguments);
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
request.ToString(),
request.resourceUri);
pluginToUse.CreateCommand(pluginContext, request, flags, shellContext, commandLine, argSet);
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginCommand: Completed",
string.Empty);
}
internal static void PerformWSManPluginConnect(
IntPtr pluginContext,
IntPtr requestDetails,
int flags,
IntPtr shellContext,
IntPtr commandContext,
IntPtr inboundConnectInformation)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginConnect: static func to take care of unmanaged to managed transitions.",
string.Empty);
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.PluginContextNotFound,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginContextNotFound));
return;
}
// Marshal the incoming pointers into managed types prior to the call
WSManNativeApi.WSManPluginRequest request = WSManNativeApi.WSManPluginRequest.UnMarshal(requestDetails);
WSManNativeApi.WSManData_UnToMan connectInformation = WSManNativeApi.WSManData_UnToMan.UnMarshal(inboundConnectInformation);
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
request.ToString(),
request.resourceUri);
pluginToUse.ConnectShellOrCommand(request, flags, shellContext, commandContext, connectInformation);
PSEtwLog.LogAnalyticInformational(
PSEventId.WSManCreateShell,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginConnect: Completed",
string.Empty);
}
internal static void PerformWSManPluginSend(
IntPtr pluginContext,
IntPtr requestDetails, // WSMAN_PLUGIN_REQUEST*
int flags,
IntPtr shellContext, // PVOID
IntPtr commandContext, // PVOID
string stream,
IntPtr inboundData) // WSMAN_DATA*
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginSend: Invoked",
string.Empty);
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.PluginContextNotFound,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginContextNotFound));
return;
}
// Marshal the incoming pointers into managed types prior to the call
WSManNativeApi.WSManPluginRequest request = WSManNativeApi.WSManPluginRequest.UnMarshal(requestDetails);
WSManNativeApi.WSManData_UnToMan data = WSManNativeApi.WSManData_UnToMan.UnMarshal(inboundData);
pluginToUse.SendOneItemToShellOrCommand(request, flags, shellContext, commandContext, stream, data);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginSend: Completed",
string.Empty);
}
internal static void PerformWSManPluginReceive(
IntPtr pluginContext, // PVOID
IntPtr requestDetails, // WSMAN_PLUGIN_REQUEST*
int flags,
IntPtr shellContext,
IntPtr commandContext,
IntPtr streamSet) // WSMAN_STREAM_ID_SET*
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginReceive: Invoked",
string.Empty);
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.PluginContextNotFound,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginContextNotFound));
return;
}
// Marshal the incoming pointers into managed types prior to the call
WSManNativeApi.WSManPluginRequest request = WSManNativeApi.WSManPluginRequest.UnMarshal(requestDetails);
WSManNativeApi.WSManStreamIDSet_UnToMan streamIdSet = WSManNativeApi.WSManStreamIDSet_UnToMan.UnMarshal(streamSet);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
request.ToString(),
request.resourceUri);
pluginToUse.EnableShellOrCommandToSendDataToClient(pluginContext, request, flags, shellContext, commandContext, streamIdSet);
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginReceive: Completed",
string.Empty);
}
internal static void PerformWSManPluginSignal(
IntPtr pluginContext, // PVOID
IntPtr requestDetails, // WSMAN_PLUGIN_REQUEST*
int flags,
IntPtr shellContext, // PVOID
IntPtr commandContext, // PVOID
string code)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformWSManPluginSignal: Invoked",
string.Empty);
WSManNativeApi.WSManPluginRequest request = WSManNativeApi.WSManPluginRequest.UnMarshal(requestDetails);
// Close Command
if (commandContext != IntPtr.Zero)
{
if (!string.Equals(code, WSManPluginConstants.CtrlCSignal, StringComparison.Ordinal))
{
// Close operations associated with this command..
WSManPluginOperationShutdownContext cmdCtxt = new WSManPluginOperationShutdownContext(pluginContext, shellContext, commandContext, false);
if (cmdCtxt != null)
{
PerformCloseOperation(cmdCtxt);
}
else
{
ReportOperationComplete(request, WSManPluginErrorCodes.OutOfMemory);
return;
}
}
else
{
// we got crtl_c (stop) message from client. so stop powershell
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
ReportOperationComplete(
request,
WSManPluginErrorCodes.PluginContextNotFound,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginContextNotFound));
return;
}
// this will ReportOperationComplete by itself..
// so we just here.
pluginToUse.StopCommand(request, shellContext, commandContext);
return;
}
}
ReportOperationComplete(request, WSManPluginErrorCodes.NoError);
}
/// <summary>
/// Close the operation specified by the supplied context.
/// </summary>
/// <param name="context"></param>
internal static void PerformCloseOperation(
WSManPluginOperationShutdownContext context)
{
PSEtwLog.LogAnalyticInformational(
PSEventId.ServerReceivedData,
PSOpcode.Open,
PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
string.Empty,
"PerformCloseOperation: Invoked",
string.Empty);
WSManPluginInstance pluginToUse = GetFromActivePlugins(context.pluginContext);
if (pluginToUse == null)
{
return;
}
if (context.commandContext == IntPtr.Zero)
{
// this is targeted at shell
pluginToUse.CloseShellOperation(context);
}
else
{
// shutdown is targeted at command
pluginToUse.CloseCommandOperation(context);
}
}
/// <summary>
/// Performs deinitialization during shutdown.
/// </summary>
/// <param name="pluginContext"></param>
internal static void PerformShutdown(
IntPtr pluginContext)
{
WSManPluginInstance pluginToUse = GetFromActivePlugins(pluginContext);
if (pluginToUse == null)
{
return;
}
pluginToUse.Shutdown();
}
private static WSManPluginInstance GetFromActivePlugins(IntPtr pluginContext)
{
lock (s_activePlugins)
{
WSManPluginInstance result = null;
s_activePlugins.TryGetValue(pluginContext, out result);
return result;
}
}
private static void AddToActivePlugins(IntPtr pluginContext, WSManPluginInstance plugin)
{
lock (s_activePlugins)
{
if (!s_activePlugins.ContainsKey(pluginContext))
{
s_activePlugins.Add(pluginContext, plugin);
return;
}
}
}
#region Utilities
/// <summary>
/// Report operation complete to WSMan and supply a reason (if any)
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="errorCode"></param>
internal static void ReportWSManOperationComplete(
WSManNativeApi.WSManPluginRequest requestDetails,
WSManPluginErrorCodes errorCode)
{
Dbg.Assert(requestDetails != null, "requestDetails cannot be null in operation complete.");
PSEtwLog.LogAnalyticInformational(
PSEventId.ReportOperationComplete,
PSOpcode.Close, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
(requestDetails.unmanagedHandle).ToString(),
Convert.ToString(errorCode, CultureInfo.InvariantCulture),
string.Empty,
string.Empty);
ReportOperationComplete(requestDetails.unmanagedHandle, errorCode);
}
/// <summary>
/// Extract message from exception (if any) and report operation complete with it to WSMan.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="reasonForClose"></param>
internal static void ReportWSManOperationComplete(
WSManNativeApi.WSManPluginRequest requestDetails,
Exception reasonForClose)
{
Dbg.Assert(requestDetails != null, "requestDetails cannot be null in operation complete.");
WSManPluginErrorCodes error = WSManPluginErrorCodes.NoError;
string errorMessage = string.Empty;
string stackTrace = string.Empty;
if (reasonForClose != null)
{
error = WSManPluginErrorCodes.ManagedException;
errorMessage = reasonForClose.Message;
stackTrace = reasonForClose.StackTrace;
}
PSEtwLog.LogAnalyticInformational(
PSEventId.ReportOperationComplete,
PSOpcode.Close, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
requestDetails.ToString(),
Convert.ToString(error, CultureInfo.InvariantCulture),
errorMessage,
stackTrace);
if (reasonForClose != null)
{
// report operation complete to wsman with the error message (if any).
ReportOperationComplete(
requestDetails,
WSManPluginErrorCodes.ManagedException,
StringUtil.Format(
RemotingErrorIdStrings.WSManPluginManagedException,
reasonForClose.Message));
}
else
{
ReportOperationComplete(
requestDetails.unmanagedHandle,
WSManPluginErrorCodes.NoError);
}
}
/// <summary>
/// Sets thread properties like UI Culture, Culture etc..This is needed as code is transitioning from
/// unmanaged heap to managed heap...and thread properties are not set correctly during this
/// transition.
/// Currently WSMan provider supplies only UI Culture related data..so only UI Culture is set.
/// </summary>
/// <param name="requestDetails"></param>
internal static void SetThreadProperties(
WSManNativeApi.WSManPluginRequest requestDetails)
{
// requestDetails cannot not be null.
Dbg.Assert(requestDetails != null, "requestDetails cannot be null");
// IntPtr nativeLocaleData = IntPtr.Zero;
WSManNativeApi.WSManDataStruct outputStruct = new WSManNativeApi.WSManDataStruct();
int hResult = wsmanPinvokeStatic.WSManPluginGetOperationParameters(
requestDetails.unmanagedHandle,
WSManPluginConstants.WSManPluginParamsGetRequestedLocale,
outputStruct);
// ref nativeLocaleData);
bool retrievingLocaleSucceeded = (hResult == 0);
WSManNativeApi.WSManData_UnToMan localeData = WSManNativeApi.WSManData_UnToMan.UnMarshal(outputStruct); // nativeLocaleData
// IntPtr nativeDataLocaleData = IntPtr.Zero;
hResult = wsmanPinvokeStatic.WSManPluginGetOperationParameters(
requestDetails.unmanagedHandle,
WSManPluginConstants.WSManPluginParamsGetRequestedDataLocale,
outputStruct);
// ref nativeDataLocaleData);
bool retrievingDataLocaleSucceeded = (hResult == (int)WSManPluginErrorCodes.NoError);
WSManNativeApi.WSManData_UnToMan dataLocaleData = WSManNativeApi.WSManData_UnToMan.UnMarshal(outputStruct); // nativeDataLocaleData
// Set the UI Culture
try
{
if (retrievingLocaleSucceeded && (localeData.Type == (uint)WSManNativeApi.WSManDataType.WSMAN_DATA_TYPE_TEXT))
{
CultureInfo uiCultureToUse = new CultureInfo(localeData.Text);
Thread.CurrentThread.CurrentUICulture = uiCultureToUse;
}
}
// ignore if there is any exception constructing the culture..
catch (ArgumentException)
{
}
// Set the Culture
try
{
if (retrievingDataLocaleSucceeded && (dataLocaleData.Type == (uint)WSManNativeApi.WSManDataType.WSMAN_DATA_TYPE_TEXT))
{
CultureInfo cultureToUse = new CultureInfo(dataLocaleData.Text);
Thread.CurrentThread.CurrentCulture = cultureToUse;
}
}
// ignore if there is any exception constructing the culture..
catch (ArgumentException)
{
}
}
#if !CORECLR
/// <summary>
/// Handle any unhandled exceptions that get raised in the AppDomain
/// This will log the exception into Crimson logs.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
internal static void UnhandledExceptionHandler(
object sender,
UnhandledExceptionEventArgs args)
{
// args can never be null.
Exception exception = (Exception)args.ExceptionObject;
PSEtwLog.LogOperationalError(PSEventId.AppDomainUnhandledException,
PSOpcode.Close, PSTask.None,
PSKeyword.UseAlwaysOperational,
exception.GetType().ToString(), exception.Message,
exception.StackTrace);
PSEtwLog.LogAnalyticError(PSEventId.AppDomainUnhandledException_Analytic,
PSOpcode.Close, PSTask.None,
PSKeyword.ManagedPlugin | PSKeyword.UseAlwaysAnalytic,
exception.GetType().ToString(), exception.Message,
exception.StackTrace);
}
#endif
/// <summary>
/// Alternate wrapper for WSManPluginOperationComplete. TODO: Needed? I could easily use the handle instead and get rid of this? It is only for easier refactoring...
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="errorCode"></param>
/// <param name="errorMessage">Pre-formatted localized string.</param>
/// <returns></returns>
internal static void ReportOperationComplete(
WSManNativeApi.WSManPluginRequest requestDetails,
WSManPluginErrorCodes errorCode,
string errorMessage)
{
if (requestDetails != null)
{
ReportOperationComplete(requestDetails.unmanagedHandle, errorCode, errorMessage);
}
// else cannot report if requestDetails is null.
}
/// <summary>
/// Wrapper for WSManPluginOperationComplete. It performs validation prior to making the call.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="errorCode"></param>
internal static void ReportOperationComplete(
WSManNativeApi.WSManPluginRequest requestDetails,
WSManPluginErrorCodes errorCode)
{
if (requestDetails != null &&
requestDetails.unmanagedHandle != IntPtr.Zero)
{
wsmanPinvokeStatic.WSManPluginOperationComplete(
requestDetails.unmanagedHandle,
0,
(int)errorCode,
null);
}
// else cannot report if requestDetails is null.
}
/// <summary>
/// Wrapper for WSManPluginOperationComplete. It performs validation prior to making the call.
/// </summary>
/// <param name="requestDetails"></param>
/// <param name="errorCode"></param>
/// <param name="errorMessage"></param>
/// <returns></returns>
internal static void ReportOperationComplete(
IntPtr requestDetails,
WSManPluginErrorCodes errorCode,
string errorMessage = "")
{
if (requestDetails == IntPtr.Zero)
{
// cannot report if requestDetails is null.
return;
}
wsmanPinvokeStatic.WSManPluginOperationComplete(
requestDetails,
0,
(int)errorCode,
errorMessage);
return;
}
#endregion
}
}
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