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xrdp-proprietary/sesman/scp.c

85 lines
2.4 KiB

/*
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);
}