124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2005-2009
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*/
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/**
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*
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* @file sessvc.c
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* @brief Session supervisor
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* @author 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 "file_loc.h"
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#include "os_calls.h"
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#include "arch.h"
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static int g_term = 0;
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/*****************************************************************************/
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void DEFAULT_CC
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term_signal_handler(int sig)
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{
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g_writeln("xrdp-sessvc: term_signal_handler: got signal %d", sig);
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g_term = 1;
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}
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/*****************************************************************************/
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void DEFAULT_CC
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nil_signal_handler(int sig)
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{
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g_writeln("xrdp-sessvc: nil_signal_handler: got signal %d", sig);
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}
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/******************************************************************************/
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int DEFAULT_CC
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main(int argc, char** argv)
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{
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int ret;
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int chansrv_pid;
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int wm_pid;
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int x_pid;
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int lerror;
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char exe_path[262];
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if (argc < 3)
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{
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g_writeln("xrdp-sessvc: exiting, not enough params");
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return 1;
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}
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g_signal_kill(term_signal_handler); /* SIGKILL */
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g_signal_terminate(term_signal_handler); /* SIGTERM */
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g_signal_user_interrupt(term_signal_handler); /* SIGINT */
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g_signal_pipe(nil_signal_handler); /* SIGPIPE */
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x_pid = g_atoi(argv[1]);
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wm_pid = g_atoi(argv[2]);
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g_writeln("xrdp-sessvc: waiting for X (pid %d) and WM (pid %d)",
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x_pid, wm_pid);
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/* run xrdp-chansrv as a seperate process */
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chansrv_pid = g_fork();
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if (chansrv_pid == -1)
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{
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g_writeln("xrdp-sessvc: fork error");
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return 1;
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}
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else if (chansrv_pid == 0) /* child */
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{
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g_set_current_dir(XRDP_SBIN_PATH);
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g_snprintf(exe_path, 261, "%s/xrdp-chansrv", XRDP_SBIN_PATH);
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g_execvp(exe_path, 0);
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/* should not get here */
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g_writeln("xrdp-sessvc: g_execvp failed");
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return 1;
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}
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lerror = 0;
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/* wait for window manager to get done */
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ret = g_waitpid(wm_pid);
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while ((ret == 0) && !g_term)
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{
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ret = g_waitpid(wm_pid);
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}
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if (ret < 0)
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{
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lerror = g_get_errno();
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}
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g_writeln("xrdp-sessvc: WM is dead (waitpid said %d, errno is %d) "
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"exiting...", ret, lerror);
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/* kill channel server */
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g_writeln("xrdp-sessvc: stopping channel server");
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g_sigterm(chansrv_pid);
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ret = g_waitpid(chansrv_pid);
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while ((ret == 0) && !g_term)
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{
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ret = g_waitpid(chansrv_pid);
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}
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/* kill X server */
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g_writeln("xrdp-sessvc: stopping X server");
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g_sigterm(x_pid);
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ret = g_waitpid(x_pid);
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while ((ret == 0) && !g_term)
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{
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ret = g_waitpid(x_pid);
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}
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g_writeln("xrdp-sessvc: clean exit");
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return 0;
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}
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