mcs/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                 public const int MaxAllowedServerInstances = -1;
  46
  47                 public NamedPipeServerStream (string pipeName)
  48                         : this (pipeName, PipeDirection.InOut)
  49                 {
  50                 }
  51
  52                 public NamedPipeServerStream (string pipeName, PipeDirection direction)
  53                         : this (pipeName, direction, 1)
  54                 {
  55                 }
  56
  57                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances)
  58                         : this (pipeName, direction, maxNumberOfServerInstances, PipeTransmissionMode.Byte)
  59                 {
  60                 }
  61
  62                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode)
  63                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, PipeOptions.None)
  64                 {
  65                 }
  66
  67                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options)
  68                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, DefaultBufferSize, DefaultBufferSize)
  69                 {
  70                 }
  71
  72                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize)
  73 #if MOBILE
  74                         : base (direction, inBufferSize)
  75                 {
  76                         throw new NotImplementedException ();
  77                 }
  78 #else
  79                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, inBufferSize, outBufferSize, null)
  80                 {
  81                 }
  82 #endif
  83
  84 #if !MOBILE
  85                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize, PipeSecurity pipeSecurity)
  86                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, inBufferSize, outBufferSize, pipeSecurity, HandleInheritability.None)
  87                 {
  88                 }
  89
  90                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize, PipeSecurity pipeSecurity, HandleInheritability inheritability)
  91                         : this (pipeName, direction, maxNumberOfServerInstances, transmissionMode, options, inBufferSize, outBufferSize, pipeSecurity, inheritability, PipeAccessRights.ReadData | PipeAccessRights.WriteData)
  92                 {
  93                 }
  94
  95                 [MonoTODO]
  96                 public NamedPipeServerStream (string pipeName, PipeDirection direction, int maxNumberOfServerInstances, PipeTransmissionMode transmissionMode, PipeOptions options, int inBufferSize, int outBufferSize, PipeSecurity pipeSecurity, HandleInheritability inheritability, PipeAccessRights additionalAccessRights)
  97                         : base (direction, transmissionMode, outBufferSize)
  98                 {
  99                         var rights = ToAccessRights (direction) | additionalAccessRights;
 100                         // FIXME: reject some rights declarations (for ACL).
 101
 102                         if (IsWindows)
 103                                 impl = new Win32NamedPipeServer (this, pipeName, maxNumberOfServerInstances, transmissionMode,
 104                                                                  rights, options, inBufferSize, outBufferSize,
 105                                                                  pipeSecurity, inheritability);
 106                         else
 107                                 impl = new UnixNamedPipeServer (this, pipeName, maxNumberOfServerInstances, transmissionMode,
 108                                                                 rights, options, inBufferSize, outBufferSize, inheritability);
 109
 110                         InitializeHandle (impl.Handle, false, (options & PipeOptions.Asynchronous) != PipeOptions.None);
 111                 }
 112 #endif
 113
 114                 public NamedPipeServerStream (PipeDirection direction, bool isAsync, bool isConnected, SafePipeHandle safePipeHandle)
 115                         : base (direction, DefaultBufferSize)
 116                 {
 117 #if MOBILE
 118                         throw new NotImplementedException ();
 119 #else
 120                         if (IsWindows)
 121                                 impl = new Win32NamedPipeServer (this, safePipeHandle);
 122                         else
 123                                 impl = new UnixNamedPipeServer (this, safePipeHandle);
 124                         IsConnected = isConnected;
 125                         InitializeHandle (safePipeHandle, true, isAsync);
 126 #endif
 127                 }
 128
 129                 ~NamedPipeServerStream ()
 130                 {
 131                         // To be compatible with .net
 132                 }
 133
 134                 INamedPipeServer impl;
 135
 136                 public void Disconnect ()
 137                 {
 138                         impl.Disconnect ();
 139                 }
 140
 141 #if !MOBILE
 142                 [MonoTODO]
 143                 [SecurityPermission (SecurityAction.Demand, Flags = SecurityPermissionFlag.ControlPrincipal)]
 144                 public void RunAsClient (PipeStreamImpersonationWorker impersonationWorker)
 145                 {
 146                         throw new NotImplementedException ();
 147                 }
 148 #endif
 149
 150                 public void WaitForConnection ()
 151                 {
 152                         impl.WaitForConnection ();
 153                         IsConnected = true;
 154                 }
 155
 156                 [MonoTODO]
 157                 [SecurityPermission (SecurityAction.Demand, Flags = SecurityPermissionFlag.ControlPrincipal)]
 158                 public string GetImpersonationUserName ()
 159                 {
 160                         throw new NotImplementedException ();
 161                 }
 162
 163 #if !MOBILE
 164                 // async operations
 165
 166                 Action wait_connect_delegate;
 167
 168                 [HostProtection (SecurityAction.LinkDemand, ExternalThreading = true)]
 169                 public IAsyncResult BeginWaitForConnection (AsyncCallback callback, object state)
 170                 {
 171                         if (wait_connect_delegate == null)
 172                                 wait_connect_delegate = new Action (WaitForConnection);
 173                         return wait_connect_delegate.BeginInvoke (callback, state);
 174                 }
 175
 176                 public void EndWaitForConnection (IAsyncResult asyncResult)
 177                 {
 178                         wait_connect_delegate.EndInvoke (asyncResult);
 179                 }
 180 #endif
 181         }
 182 }
 183
 184 #endif