119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2013
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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 sig.c
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* @brief signal handling functions
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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 "arch.h"
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#include "sig.h"
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#include "sesman_config.h"
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#include "log.h"
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#include "os_calls.h"
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#include "sesman.h"
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#include "session_list.h"
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#include "string_calls.h"
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/******************************************************************************/
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void
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sig_sesman_reload_cfg(void)
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{
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int error;
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struct config_sesman *cfg;
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LOG(LOG_LEVEL_INFO, "receiving SIGHUP");
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if ((cfg = config_read(g_cfg->sesman_ini)) == NULL)
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{
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LOG(LOG_LEVEL_ERROR, "error reading config - keeping old cfg");
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return;
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}
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/* Deal with significant config changes */
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if (g_strcmp(g_cfg->listen_port, cfg->listen_port) != 0)
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{
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LOG(LOG_LEVEL_INFO, "sesman listen port changed to %s",
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cfg->listen_port);
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/* We have to delete the old port before listening to the new one
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* in case they overlap in scope */
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sesman_delete_listening_transport();
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if (sesman_create_listening_transport(cfg) == 0)
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{
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LOG(LOG_LEVEL_INFO, "Sesman now listening on %s",
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g_cfg->listen_port);
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}
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}
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/* free old config data */
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config_free(g_cfg);
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/* replace old config with newly read one */
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g_cfg = cfg;
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/* Restart logging subsystem */
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error = log_start(g_cfg->sesman_ini, "xrdp-sesman", LOG_START_RESTART);
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if (error != LOG_STARTUP_OK)
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{
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char buf[256];
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switch (error)
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{
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case LOG_ERROR_MALLOC:
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g_printf("error on malloc. cannot restart logging. log stops here, sorry.\n");
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break;
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case LOG_ERROR_FILE_OPEN:
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g_printf("error reopening log file [%s]. log stops here, sorry.\n", getLogFile(buf, 255));
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break;
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}
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}
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LOG(LOG_LEVEL_INFO, "configuration reloaded, log subsystem restarted");
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}
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/******************************************************************************/
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void
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sig_sesman_session_end(void)
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{
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int pid;
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LOG(LOG_LEVEL_DEBUG, "receiving SIGCHLD");
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do
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{
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pid = g_waitchild(NULL);
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if (pid > 0)
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{
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LOG(LOG_LEVEL_INFO, "Process %d has exited", pid);
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session_list_kill(pid);
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}
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}
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while (pid > 0);
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}
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