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