internal ServerRemoteSession(PSSenderInfo senderInfo, string configurationProviderId, string initializationParameters, AbstractServerSessionTransportManager transportManager)
{
NativeCommandProcessor.IsServerSide = true;
this._senderInfo = senderInfo;
this._configProviderId = configurationProviderId;
this._initParameters = initializationParameters;
this._cryptoHelper = (PSRemotingCryptoHelperServer) transportManager.CryptoHelper;
this._cryptoHelper.Session = this;
this._context = new ServerRemoteSessionContext();
this._sessionDSHandler = new ServerRemoteSessionDSHandlerlImpl(this, transportManager);
base.BaseSessionDataStructureHandler = this._sessionDSHandler;
this._sessionDSHandler.CreateRunspacePoolReceived += new EventHandler<RemoteDataEventArgs>(this.HandleCreateRunspacePool);
this._sessionDSHandler.NegotiationReceived += new EventHandler<RemoteSessionNegotiationEventArgs>(this.HandleNegotiationReceived);
this._sessionDSHandler.SessionClosing += new EventHandler<EventArgs>(this.HandleSessionDSHandlerClosing);
this._sessionDSHandler.PublicKeyReceived += new EventHandler<RemoteDataEventArgs<string>>(this.HandlePublicKeyReceived);
transportManager.Closing += new EventHandler(this.HandleResourceClosing);
transportManager.ReceivedDataCollection.MaximumReceivedObjectSize = 0xa00000;
transportManager.ReceivedDataCollection.MaximumReceivedDataSize = null;
}
internal OutOfProcessServerSessionTransportManager(OutOfProcessTextWriter outWriter, OutOfProcessTextWriter errWriter, PSRemotingCryptoHelperServer cryptoHelper)
: base(BaseTransportManager.DefaultFragmentSize, cryptoHelper)
{
Dbg.Assert(null != outWriter, "outWriter cannot be null.");
Dbg.Assert(null != errWriter, "errWriter cannot be null.");
_stdOutWriter = outWriter;
_stdErrWriter = errWriter;
_cmdTransportManagers = new Dictionary<Guid, OutOfProcessServerTransportManager>();
}
/// <summary>
/// This constructor instantiates a ServerRemoteSession object and
/// a ServerRemoteSessionDataStructureHandler object.
/// </summary>
/// <param name="senderInfo">
/// Details about the user creating this session.
/// </param>
/// <param name="configurationProviderId">
/// The resource URI for which this session is being created
/// </param>
/// <param name="initializationParameters">
/// Initialization Parameters xml passed by WSMan API. This data is read from the config
/// xml.
/// </param>
/// <param name="transportManager">
/// The transport manager this session should use to send/receive data
/// </param>
/// <returns></returns>
internal ServerRemoteSession(PSSenderInfo senderInfo,
string configurationProviderId,
string initializationParameters,
AbstractServerSessionTransportManager transportManager)
{
Dbg.Assert(null != transportManager, "transportManager cannot be null.");
// let input,output and error from native commands redirect as we have
// to send (or receive) them back to client for action.
NativeCommandProcessor.IsServerSide = true;
_senderInfo = senderInfo;
_configProviderId = configurationProviderId;
_initParameters = initializationParameters;
#if !UNIX
_cryptoHelper = (PSRemotingCryptoHelperServer)transportManager.CryptoHelper;
_cryptoHelper.Session = this;
#else
_cryptoHelper = null;
#endif
Context = new ServerRemoteSessionContext();
SessionDataStructureHandler = new ServerRemoteSessionDSHandlerlImpl(this, transportManager);
BaseSessionDataStructureHandler = SessionDataStructureHandler;
SessionDataStructureHandler.CreateRunspacePoolReceived += HandleCreateRunspacePool;
SessionDataStructureHandler.NegotiationReceived += HandleNegotiationReceived;
SessionDataStructureHandler.SessionClosing += HandleSessionDSHandlerClosing;
SessionDataStructureHandler.PublicKeyReceived +=
new EventHandler<RemoteDataEventArgs<string>>(HandlePublicKeyReceived);
transportManager.Closing += HandleResourceClosing;
// update the quotas from sessionState..start with default size..and
// when Custom Session Configuration is loaded (during runspace creation) update this.
transportManager.ReceivedDataCollection.MaximumReceivedObjectSize =
BaseTransportManager.MaximumReceivedObjectSize;
// session transport manager can receive unlimited data..however each object is limited
// by maxRecvdObjectSize. this is to allow clients to use a session for an unlimited time..
// also the messages that can be sent to a session are limited and very controlled.
// However a command transport manager can be restricted to receive only a fixed amount of data
// controlled by maxRecvdDataSizeCommand..This is because commands can accept any number of input
// objects
transportManager.ReceivedDataCollection.MaximumReceivedDataSize = null;
}
/// <summary>
/// Gets a helper with a test session
/// </summary>
/// <returns>helper for testing</returns>
/// <remarks>To be used only for testing</remarks>
internal static PSRemotingCryptoHelperServer GetTestRemotingCryptHelperServer()
{
PSRemotingCryptoHelperServer helper = new PSRemotingCryptoHelperServer();
helper.Session = new TestHelperSession();
return helper;
}
/// <summary>
///
/// </summary>
/// <param name="initialCommand"></param>
internal static void Run(string initialCommand)
{
lock (SyncObject)
{
if (s_singletonInstance != null)
{
Dbg.Assert(false, "Run should not be called multiple times");
return;
}
s_singletonInstance = new SSHProcessMediator();
}
PSRemotingCryptoHelperServer cryptoHelper;
#if !UNIX
cryptoHelper = new PSRemotingCryptoHelperServer();
#else
cryptoHelper = null;
#endif
s_singletonInstance.Start(initialCommand, cryptoHelper);
}
protected void Start(string initialCommand, PSRemotingCryptoHelperServer cryptoHelper, string configurationName = null)
{
_initialCommand = initialCommand;
sessionTM = CreateSessionTransportManager(configurationName, cryptoHelper);
try
{
do
{
string data = originalStdIn.ReadLine();
lock (_syncObject)
{
if (sessionTM == null)
{
sessionTM = CreateSessionTransportManager(configurationName, cryptoHelper);
}
}
if (string.IsNullOrEmpty(data))
{
lock (_syncObject)
{
// give a chance to runspace/pipelines to close (as it looks like the client died
// intermittently)
sessionTM.Close(null);
sessionTM = null;
}
throw new PSRemotingTransportException(PSRemotingErrorId.IPCUnknownElementReceived,
RemotingErrorIdStrings.IPCUnknownElementReceived, string.Empty);
}
// process data in a thread pool thread..this way Runspace, Command
// data can be processed concurrently.
#if CORECLR
ThreadPool.QueueUserWorkItem(new WaitCallback(ProcessingThreadStart), data);
#else
Utils.QueueWorkItemWithImpersonation(
_windowsIdentityToImpersonate,
new WaitCallback(ProcessingThreadStart),
data);
#endif
} while (true);
}
catch (Exception e)
{
CommandProcessorBase.CheckForSevereException(e);
PSEtwLog.LogOperationalError(
PSEventId.TransportError, PSOpcode.Open, PSTask.None,
PSKeyword.UseAlwaysOperational,
Guid.Empty.ToString(),
Guid.Empty.ToString(),
OutOfProcessUtils.EXITCODE_UNHANDLED_EXCEPTION,
e.Message,
e.StackTrace);
PSEtwLog.LogAnalyticError(
PSEventId.TransportError_Analytic, PSOpcode.Open, PSTask.None,
PSKeyword.Transport | PSKeyword.UseAlwaysAnalytic,
Guid.Empty.ToString(),
Guid.Empty.ToString(),
OutOfProcessUtils.EXITCODE_UNHANDLED_EXCEPTION,
e.Message,
e.StackTrace);
if (_exitProcessOnError)
{
// notify the remote client of any errors and fail gracefully
originalStdErr.WriteLine(e.Message);
Environment.Exit(OutOfProcessUtils.EXITCODE_UNHANDLED_EXCEPTION);
}
}
}
protected OutOfProcessServerSessionTransportManager CreateSessionTransportManager(string configurationName, PSRemotingCryptoHelperServer cryptoHelper)
{
PSSenderInfo senderInfo;
#if !UNIX
WindowsIdentity currentIdentity = WindowsIdentity.GetCurrent();
PSPrincipal userPrincipal = new PSPrincipal(new PSIdentity("", true, currentIdentity.Name, null),
currentIdentity);
senderInfo = new PSSenderInfo(userPrincipal, "http://localhost");
#else
PSPrincipal userPrincipal = new PSPrincipal(new PSIdentity("", true, "", null),
null);
senderInfo = new PSSenderInfo(userPrincipal, "http://localhost");
#endif
OutOfProcessServerSessionTransportManager tm = new OutOfProcessServerSessionTransportManager(originalStdOut, originalStdErr, cryptoHelper);
ServerRemoteSession srvrRemoteSession = ServerRemoteSession.CreateServerRemoteSession(senderInfo,
_initialCommand, tm, configurationName);
return tm;
}