145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
/*
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
xrdp: A Remote Desktop Protocol server.
|
|
Copyright (C) Jay Sorg 2005-2009
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file sessvc.c
|
|
* @brief Session supervisor
|
|
* @author Simone Fedele
|
|
*
|
|
*/
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
#include "config_ac.h"
|
|
#endif
|
|
#include "file_loc.h"
|
|
#include "os_calls.h"
|
|
#include "arch.h"
|
|
|
|
static int g_term = 0;
|
|
|
|
/*****************************************************************************/
|
|
void DEFAULT_CC
|
|
term_signal_handler(int sig)
|
|
{
|
|
g_writeln("xrdp-sessvc: term_signal_handler: got signal %d", sig);
|
|
g_term = 1;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void DEFAULT_CC
|
|
nil_signal_handler(int sig)
|
|
{
|
|
g_writeln("xrdp-sessvc: nil_signal_handler: got signal %d", sig);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* chansrv can exit at any time without cleaning up, its an xlib app */
|
|
int APP_CC
|
|
chansrv_cleanup(int pid)
|
|
{
|
|
char text[256];
|
|
|
|
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_main_term", pid);
|
|
if (g_file_exist(text))
|
|
{
|
|
g_file_delete(text);
|
|
}
|
|
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_thread_done", pid);
|
|
if (g_file_exist(text))
|
|
{
|
|
g_file_delete(text);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int DEFAULT_CC
|
|
main(int argc, char** argv)
|
|
{
|
|
int ret;
|
|
int chansrv_pid;
|
|
int wm_pid;
|
|
int x_pid;
|
|
int lerror;
|
|
char exe_path[262];
|
|
|
|
if (argc < 3)
|
|
{
|
|
g_writeln("xrdp-sessvc: exiting, not enough params");
|
|
return 1;
|
|
}
|
|
g_signal_kill(term_signal_handler); /* SIGKILL */
|
|
g_signal_terminate(term_signal_handler); /* SIGTERM */
|
|
g_signal_user_interrupt(term_signal_handler); /* SIGINT */
|
|
g_signal_pipe(nil_signal_handler); /* SIGPIPE */
|
|
x_pid = g_atoi(argv[1]);
|
|
wm_pid = g_atoi(argv[2]);
|
|
g_writeln("xrdp-sessvc: waiting for X (pid %d) and WM (pid %d)",
|
|
x_pid, wm_pid);
|
|
/* run xrdp-chansrv as a seperate process */
|
|
chansrv_pid = g_fork();
|
|
if (chansrv_pid == -1)
|
|
{
|
|
g_writeln("xrdp-sessvc: fork error");
|
|
return 1;
|
|
}
|
|
else if (chansrv_pid == 0) /* child */
|
|
{
|
|
g_set_current_dir(XRDP_SBIN_PATH);
|
|
g_snprintf(exe_path, 261, "%s/xrdp-chansrv", XRDP_SBIN_PATH);
|
|
g_execlp3(exe_path, "xrdp-chansrv", 0);
|
|
/* should not get here */
|
|
g_writeln("xrdp-sessvc: g_execvp failed");
|
|
return 1;
|
|
}
|
|
lerror = 0;
|
|
/* wait for window manager to get done */
|
|
ret = g_waitpid(wm_pid);
|
|
while ((ret == 0) && !g_term)
|
|
{
|
|
ret = g_waitpid(wm_pid);
|
|
}
|
|
if (ret < 0)
|
|
{
|
|
lerror = g_get_errno();
|
|
}
|
|
g_writeln("xrdp-sessvc: WM is dead (waitpid said %d, errno is %d) "
|
|
"exiting...", ret, lerror);
|
|
/* kill channel server */
|
|
g_writeln("xrdp-sessvc: stopping channel server");
|
|
g_sigterm(chansrv_pid);
|
|
ret = g_waitpid(chansrv_pid);
|
|
while ((ret == 0) && !g_term)
|
|
{
|
|
ret = g_waitpid(chansrv_pid);
|
|
}
|
|
chansrv_cleanup(chansrv_pid);
|
|
/* kill X server */
|
|
g_writeln("xrdp-sessvc: stopping X server");
|
|
g_sigterm(x_pid);
|
|
ret = g_waitpid(x_pid);
|
|
while ((ret == 0) && !g_term)
|
|
{
|
|
ret = g_waitpid(x_pid);
|
|
}
|
|
g_writeln("xrdp-sessvc: clean exit");
|
|
return 0;
|
|
}
|