matt335672
0e2f03e925
A log message has been added so that during session discovery a list of discovered sessions can be generated.
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2023
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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 ercp_process.c
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* @brief ERCP (executive run-time control protocol) handler function
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* @author Matt Burt
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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 <stdio.h>
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#include "trans.h"
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#include "ercp.h"
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#include "ercp_process.h"
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#include "session_list.h"
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/******************************************************************************/
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static int
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process_session_announce_event(struct session_item *si)
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{
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int rv;
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const char *start_ip_addr;
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unsigned int display;
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rv = ercp_get_session_announce_event(si->sesexec_trans,
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&display,
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&si->uid,
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&si->type,
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&si->start_width,
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&si->start_height,
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&si->bpp,
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&si->guid,
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&start_ip_addr,
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&si->start_time);
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if (rv == 0)
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{
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// We may already know the display we sent sesexec. If we do,
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// check sesexec sent the same value back.
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if (si->display >= 0 && display != (unsigned int)si->display)
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{
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LOG(LOG_LEVEL_ERROR, "Bugcheck: sesman expected display %d, got %u",
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si->display, display);
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rv = 1;
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}
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}
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if (rv == 0)
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{
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snprintf(si->start_ip_addr, sizeof(si->start_ip_addr),
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"%s", start_ip_addr);
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si->display = display;
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si->state = E_SESSION_RUNNING;
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LOG(LOG_LEVEL_INFO,
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"sesman: Session on display :%d is now running", si->display);
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}
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return rv;
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}
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/******************************************************************************/
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static void
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process_session_finished_event(struct session_item *si)
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{
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LOG(LOG_LEVEL_INFO, "sesman: Session on display :%d has finished.",
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si->display);
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// Setting the transport down will remove this connection from the list
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si->sesexec_trans->status = TRANS_STATUS_DOWN;
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}
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/******************************************************************************/
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int
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ercp_process(struct session_item *si)
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{
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enum ercp_msg_code msgno;
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int rv = 0;
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switch ((msgno = ercp_msg_in_get_msgno(si->sesexec_trans)))
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{
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case E_ERCP_SESSION_ANNOUNCE_EVENT:
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rv = process_session_announce_event(si);
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break;
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case E_ERCP_SESSION_FINISHED_EVENT:
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process_session_finished_event(si);
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break;
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default:
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{
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char buff[64];
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ercp_msgno_to_str(msgno, buff, sizeof(buff));
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LOG(LOG_LEVEL_ERROR, "Ignored EICP message %s", buff);
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}
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}
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return rv;
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}
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