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xrdp-proprietary/sesman/scp.c

99 lines
3.2 KiB

/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2015
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*
* @file scp.c
* @brief scp (sesman control protocol) common code
* scp (sesman control protocol) common code
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* This code controls which version is being used and starts the
* appropriate process
* @author Jay Sorg, Simone Fedele
*
*/
#include "sesman.h"
extern struct config_sesman *g_cfg; /* in sesman.c */
/******************************************************************************/
void *DEFAULT_CC
scp_process_start(void *sck)
{
struct SCP_CONNECTION scon;
struct SCP_SESSION *sdata;
scon.in_sck = (int)(tintptr)sck;
LOG_DBG("started scp thread on socket %d", scon.in_sck);
make_stream(scon.in_s);
make_stream(scon.out_s);
init_stream(scon.in_s, 8192);
init_stream(scon.out_s, 8192);
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switch (scp_vXs_accept(&scon, &(sdata)))
{
case SCP_SERVER_STATE_OK:
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if (sdata->version == 0)
{
/* starts processing an scp v0 connection */
LOG_DBG("accept ok, go on with scp v0\n", 0);
scp_v0_process(&scon, sdata);
}
else
{
LOG_DBG("accept ok, go on with scp v1\n", 0);
/*LOG_DBG("user: %s\npass: %s",sdata->username, sdata->password);*/
scp_v1_process(&scon, sdata);
}
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break;
case SCP_SERVER_STATE_START_MANAGE:
/* starting a management session */
log_message(LOG_LEVEL_WARNING,
"starting a sesman management session...");
scp_v1_mng_process(&scon, sdata);
break;
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()");
}
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g_tcp_close(scon.in_sck);
free_stream(scon.in_s);
free_stream(scon.out_s);
return 0;
}