preparing sources to add new sesman control protocol

1 files changed, 84 insertions, 0 deletions

diff --git a/sesman/scp.c b/sesman/scp.c
new file mode 100644
index 00000000..a89b3d7b
--- /dev/null
+++ b/sesman/scp.c
@@ -0,0 +1,84 @@
+/*
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   xrdp: A Remote Desktop Protocol server.
+   Copyright (C) Jay Sorg 2005-2006
+*/
+
+/**
+ *
+ * @file scp.c
+ * @brief scp (sesman control protocol) common code
+ *        scp (sesman control protocol) common code
+ *        This code controls which version is being used and starts the appropriate process
+ * @author Jay Sorg, Simone Fedele
+ * 
+ */
+
+#include "sesman.h"
+
+/******************************************************************************/
+void DEFAULT_CC
+scp_process_start(int sck)
+{
+  int socket;
+  int version;
+  int size;
+  struct stream* in_s;
+  struct stream* out_s;
+
+  /* making a local copy of the socket                    */
+  /* sck should NEVER be used after lock_socket_release() */
+  /* probably this is just paranoia                       */
+  socket = sck;
+#warning locking disabled
+//  lock_socket_release();
+  
+  make_stream(in_s);
+  make_stream(out_s);
+  
+  init_stream(in_s, 8192);
+  if (tcp_force_recv(socket, in_s->data, 8) == 0)
+  {
+    in_uint32_be(in_s, version);
+    in_uint32_be(in_s, size);
+    init_stream(in_s, 8192);
+    if (tcp_force_recv(socket, in_s->data, size - 8) == 0)
+    {
+      if (version == 0)
+      {
+        /* starts processing an scp v0 connection */
+        scp_v0_process(socket, in_s, out_s);
+      }
+#warning scp v1 is disabled
+/* this is temporarily disabled...
+      else if (version == 1)
+      {
+        / * starts processing an scp v0 connection * /
+        //scp_v1_process();
+      }*/
+      else
+      {
+        /* an unknown scp version was requested, so we shut down the */
+	/* connection (and log the fact)                             */
+	log_message(LOG_LEVEL_WARNING,"unknown protocol version specified. connection refused.");
+      }
+    }
+  }
+  g_tcp_close(socket);
+  free_stream(in_s);
+  free_stream(out_s);
+}
+