winsup/cygwin/include/cygwin/cygserver_transport_pipes.h

   1 /* cygserver_transport_pipes.h
   2
   3    Copyright 2001, 2002 Red Hat Inc.
   4
   5    Written by Robert Collins <rbtcollins@hotmail.com>
   6
   7 This file is part of Cygwin.
   8
   9 This software is a copyrighted work licensed under the terms of the
  10 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
  11 details. */
  12
  13 #ifndef _CYGSERVER_TRANSPORT_PIPES_
  14 #define _CYGSERVER_TRANSPORT_PIPES_
  15
  16 /* Named pipes based transport, for security on NT */
  17 class transport_layer_pipes : public transport_layer_base
  18 {
  19 public:
  20 #ifndef __INSIDE_CYGWIN__
  21   virtual int listen ();
  22   virtual class transport_layer_pipes *accept (bool *recoverable);
  23 #endif
  24
  25   virtual void close ();
  26   virtual ssize_t read (void *buf, size_t len);
  27   virtual ssize_t write (void *buf, size_t len);
  28   virtual int connect ();
  29
  30 #ifndef __INSIDE_CYGWIN__
  31   virtual void impersonate_client ();
  32   virtual void revert_to_self ();
  33 #endif
  34
  35   transport_layer_pipes ();
  36   virtual ~transport_layer_pipes ();
  37
  38 private:
  39   /* for pipe based communications */
  40   void init_security ();
  41
  42   //FIXME: allow inited, sd, all_nih_.. to be static members
  43   SECURITY_DESCRIPTOR _sd;
  44   SECURITY_ATTRIBUTES _sec_all_nih;
  45   const char *const _pipe_name;
  46   HANDLE _hPipe;
  47   const bool _is_accepted_endpoint;
  48   bool _is_listening_endpoint;
  49
  50   transport_layer_pipes (HANDLE hPipe);
  51 };
  52
  53 #endif /* _CYGSERVER_TRANSPORT_PIPES_ */