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xrdp-proprietary/sesman/scp.c

96 lines
2.8 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"
extern int thread_sck;
/******************************************************************************/
void* DEFAULT_CC
scp_process_start(void* sck)
{
struct SCP_CONNECTION scon;
struct SCP_SESSION* sdata;
/* making a local copy of the socket (it's on the stack) */
/* probably this is just paranoia */
scon.in_sck = thread_sck;
LOG_DBG("started scp thread on socket %d", scon.in_sck);
/* unlocking thread_sck */
lock_socket_release();
make_stream(scon.in_s);
make_stream(scon.out_s);
init_stream(scon.in_s, 8192);
init_stream(scon.out_s, 8192);
switch (scp_vXs_accept(&scon, &(sdata)))
{
case SCP_SERVER_STATE_OK:
if (sdata->version == 0)
{
/* starts processing an scp v0 connection */
scp_v0_process(&scon, sdata);
}
else
{
//scp_v1_process();
}
case SCP_SERVER_STATE_VERSION_ERR:
/* 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.");
break;
case SCP_SERVER_STATE_NETWORK_ERR:
log_message(LOG_LEVEL_WARNING,"libscp network error.");
break;
case SCP_SERVER_STATE_SEQUENCE_ERR:
log_message(LOG_LEVEL_WARNING,"libscp sequence error.");
break;
case SCP_SERVER_STATE_INTERNAL_ERR:
/* internal error occurred (eg. malloc() error, ecc.) */
log_message(LOG_LEVEL_ERROR, "libscp internal error occurred.");
break;
default:
log_message(LOG_LEVEL_ALWAYS, "unknown return from scp_vXs_accept()");
}
g_tcp_close(scon.in_sck);
free_stream(scon.in_s);
free_stream(scon.out_s);
return 0;
}