class/System.Core/System.IO.Pipes/NamedPipeServerStream.cs

   1 //
   2 // NamedPipeServerStream.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2009 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if !BOOTSTRAP_BASIC
  30
  31 using Microsoft.Win32.SafeHandles;
  32 using System;
  33 using System.IO;
  34 using System.Linq;
  35 using System.Security.AccessControl;
  36 using System.Security.Permissions;
  37 using System.Security.Principal;
  38
  39 namespace System.IO.Pipes
  40 {
  41         [MonoTODO ("working only on win32 right now")]
  42         [HostProtection (SecurityAction.LinkDemand, MayLeakOnAbort = true)]
  43         public sealed class NamedPipeServerStream : PipeStream
  44         {
  45                 [MonoTODO]
  46                 public const int MaxAllowedServerInstances = 1;
  47
  48                 public NamedPipeServerStream (string pipeName)
  49                         : this (pipeName, PipeDirection.InOut)
  50                 {
  51                 }
  52
  53                 public NamedPipeServerStream (string pipeName, PipeDirection direction)
  54                         : this (pipeName, direction, 1)
  55                 {
  56                 }
  57
  58                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances)
  59                         : this (pipeName, direction, maxNumberOfServerInstances, PipeTransmissionMode.Byte)
  60                 {
  61                 }
  62
  63                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode)
  64                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, PipeOptions.None)
  65                 {
  66                 }
  67
  68                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options)
  69                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, DefaultBufferSize, DefaultBufferSize)
  70                 {
  71                 }
  72
  73                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize)
  74                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, inBufferSize, outBufferSize, null)
  75                 {
  76                 }
  77
  78                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize, PipeSecurity pipeSecurity)
  79                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, inBufferSize, outBufferSize, pipeSecurity, HandleInheritability.None)
  80                 {
  81                 }
  82
  83                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize, PipeSecurity pipeSecurity, HandleInheritability inheritability)
  84                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, inBufferSize, outBufferSize, pipeSecurity, inheritability, PipeAccessRights.ReadData | PipeAccessRights.WriteData)
  85                 {
  86                 }
  87
  88                 [MonoTODO]
  89                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize, PipeSecurity pipeSecurity, HandleInheritability inheritability, PipeAccessRights additionalAccessRights)
  90                         : base (direction, transmissionMode, outBufferSize)
  91                 {
  92                         if (pipeSecurity != null)
  93                                 throw ThrowACLException ();
  94                         var rights = ToAccessRights (direction) | additionalAccessRights;
  95                         // FIXME: reject some rights declarations (for ACL).
  96
  97                         if (IsWindows)
  98                                 impl = new Win32NamedPipeServer (this, pipeName, maxNumberOfServerInstances, transmissionMode, rights, options, inBufferSize, outBufferSize, inheritability);
  99                         else
 100                                 impl = new UnixNamedPipeServer (this, pipeName, maxNumberOfServerInstances, transmissionMode, rights, options, inBufferSize, outBufferSize, inheritability);
 101
 102                         InitializeHandle (impl.Handle, false, (options & PipeOptions.Asynchronous) != PipeOptions.None);
 103                 }
 104
 105                 public NamedPipeServerStream (PipeDirection direction, bool isAsync, bool isConnected, SafePipeHandle safePipeHandle)
 106                         : base (direction, DefaultBufferSize)
 107                 {
 108                         if (IsWindows)
 109                                 impl = new Win32NamedPipeServer (this, safePipeHandle);
 110                         else
 111                                 impl = new UnixNamedPipeServer (this, safePipeHandle);
 112                         IsConnected = isConnected;
 113                         InitializeHandle (safePipeHandle, true, isAsync);
 114                 }
 115
 116                 INamedPipeServer impl;
 117
 118                 public void Disconnect ()
 119                 {
 120                         impl.Disconnect ();
 121                 }
 122
 123                 [MonoTODO]
 124                 [SecurityPermission (SecurityAction.Demand, Flags = SecurityPermissionFlag.ControlPrincipal)]
 125                 public void RunAsClient (PipeStreamImpersonationWorker impersonationWorker)
 126                 {
 127                         throw new NotImplementedException ();
 128                 }
 129
 130                 public void WaitForConnection ()
 131                 {
 132                         impl.WaitForConnection ();
 133                         IsConnected = true;
 134                 }
 135
 136                 [MonoTODO]
 137                 [SecurityPermission (SecurityAction.Demand, Flags = SecurityPermissionFlag.ControlPrincipal)]
 138                 public string GetImpersonationUserName ()
 139                 {
 140                         throw new NotImplementedException ();
 141                 }
 142
 143                 // async operations
 144
 145                 Action wait_connect_delegate;
 146
 147                 [HostProtection (SecurityAction.LinkDemand, ExternalThreading = true)]
 148                 public IAsyncResult BeginWaitForConnection (AsyncCallback callback, object state)
 149                 {
 150                         if (wait_connect_delegate == null)
 151                                 wait_connect_delegate = new Action (WaitForConnection);
 152                         return wait_connect_delegate.BeginInvoke (callback, state);
 153                 }
 154
 155                 public void EndWaitForConnection (IAsyncResult asyncResult)
 156                 {
 157                         wait_connect_delegate.EndInvoke (asyncResult);
 158                 }
 159         }
 160 }
 161
 162 #endif