int APP_CC
main_cleanup(void)
{
g_delete_wait_obj(g_term_event);
g_delete_wait_obj(g_thread_done_event);
g_deinit(); /* os_calls */
//printf("CLEANUP\n");
user_channel_cleanup();
return 0;
}
int APP_CC
main_cleanup(void)
{
g_delete_wait_obj(g_term_event);
g_delete_wait_obj(g_thread_done_event);
g_delete_wait_obj(g_exec_event);
tc_mutex_delete(g_exec_mutex);
g_deinit(); /* os_calls */
return 0;
}
int DEFAULT_CC
main(int argc, char **argv)
{
int fd;
enum logReturns log_error;
int error;
int daemon = 1;
int pid;
char pid_s[32];
char text[256];
char pid_file[256];
char cfg_file[256];
g_init("xrdp-sesman");
g_snprintf(pid_file, 255, "%s/xrdp-sesman.pid", XRDP_PID_PATH);
if (1 == argc)
{
/* no options on command line. normal startup */
g_printf("starting sesman...\n");
daemon = 1;
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--nodaemon")) ||
(0 == g_strcasecmp(argv[1], "-nodaemon")) ||
(0 == g_strcasecmp(argv[1], "-n")) ||
(0 == g_strcasecmp(argv[1], "-ns"))))
{
/* starts sesman not daemonized */
g_printf("starting sesman in foreground...\n");
daemon = 0;
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--help")) ||
(0 == g_strcasecmp(argv[1], "-help")) ||
(0 == g_strcasecmp(argv[1], "-h"))))
{
/* help screen */
g_printf("sesman - xrdp session manager\n\n");
g_printf("usage: sesman [command]\n\n");
g_printf("command can be one of the following:\n");
g_printf("-n, -ns, --nodaemon starts sesman in foreground\n");
g_printf("-k, --kill kills running sesman\n");
g_printf("-h, --help shows this help\n");
g_printf("if no command is specified, sesman is started in background");
g_deinit();
g_exit(0);
}
else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--kill")) ||
(0 == g_strcasecmp(argv[1], "-kill")) ||
(0 == g_strcasecmp(argv[1], "-k"))))
{
/* killing running sesman */
/* check if sesman is running */
if (!g_file_exist(pid_file))
{
g_printf("sesman is not running (pid file not found - %s)\n", pid_file);
g_deinit();
g_exit(1);
}
fd = g_file_open(pid_file);
if (-1 == fd)
{
g_printf("error opening pid file[%s]: %s\n", pid_file, g_get_strerror());
return 1;
}
g_memset(pid_s, 0, sizeof(pid_s));
error = g_file_read(fd, pid_s, 31);
if (-1 == error)
{
g_printf("error reading pid file: %s\n", g_get_strerror());
g_file_close(fd);
g_deinit();
g_exit(error);
}
g_file_close(fd);
pid = g_atoi(pid_s);
error = g_sigterm(pid);
if (0 != error)
{
g_printf("error killing sesman: %s\n", g_get_strerror());
}
else
{
g_file_delete(pid_file);
}
g_deinit();
g_exit(error);
}
else
{
/* there's something strange on the command line */
g_printf("sesman - xrdp session manager\n\n");
g_printf("error: invalid command line\n");
g_printf("usage: sesman [ --nodaemon | --kill | --help ]\n");
g_deinit();
g_exit(1);
}
if (g_file_exist(pid_file))
{
g_printf("sesman is already running.\n");
g_printf("if it's not running, try removing ");
g_printf("%s", pid_file);
g_printf("\n");
g_deinit();
g_exit(1);
}
/* reading config */
g_cfg = g_new0(struct config_sesman, 1);
if (0 == g_cfg)
{
g_printf("error creating config: quitting.\n");
g_deinit();
g_exit(1);
}
//g_cfg->log.fd = -1; /* don't use logging before reading its config */
if (0 != config_read(g_cfg))
{
g_printf("error reading config: %s\nquitting.\n", g_get_strerror());
g_deinit();
g_exit(1);
}
g_snprintf(cfg_file, 255, "%s/sesman.ini", XRDP_CFG_PATH);
/* starting logging subsystem */
log_error = log_start(cfg_file, "xrdp-sesman");
if (log_error != LOG_STARTUP_OK)
{
switch (log_error)
{
case LOG_ERROR_MALLOC:
g_writeln("error on malloc. cannot start logging. quitting.");
break;
case LOG_ERROR_FILE_OPEN:
g_writeln("error opening log file [%s]. quitting.",
getLogFile(text, 255));
break;
default:
g_writeln("error");
break;
}
g_deinit();
g_exit(1);
}
/* libscp initialization */
scp_init();
if (daemon)
{
/* start of daemonizing code */
g_pid = g_fork();
if (0 != g_pid)
{
g_deinit();
g_exit(0);
}
g_file_close(0);
g_file_close(1);
g_file_close(2);
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
}
/* signal handling */
g_pid = g_getpid();
/* old style signal handling is now managed synchronously by a
* separate thread. uncomment this block if you need old style
* signal handling and comment out thread_sighandler_start()
* going back to old style for the time being
* problem with the sigaddset functions in sig.c - jts */
#if 1
g_signal_hang_up(sig_sesman_reload_cfg); /* SIGHUP */
g_signal_user_interrupt(sig_sesman_shutdown); /* SIGINT */
g_signal_terminate(sig_sesman_shutdown); /* SIGTERM */
g_signal_child_stop(sig_sesman_session_end); /* SIGCHLD */
#endif
#if 0
thread_sighandler_start();
#endif
if (daemon)
{
/* writing pid file */
fd = g_file_open(pid_file);
if (-1 == fd)
{
log_message(LOG_LEVEL_ERROR,
"error opening pid file[%s]: %s",
pid_file, g_get_strerror());
log_end();
g_deinit();
g_exit(1);
}
g_sprintf(pid_s, "%d", g_pid);
g_file_write(fd, pid_s, g_strlen(pid_s));
g_file_close(fd);
}
/* start program main loop */
log_message(LOG_LEVEL_INFO,
"starting xrdp-sesman with pid %d", g_pid);
/* make sure the /tmp/.X11-unix directory exist */
if (!g_directory_exist("/tmp/.X11-unix"))
{
if (!g_create_dir("/tmp/.X11-unix"))
{
log_message(LOG_LEVEL_ERROR,
"sesman.c: error creating dir /tmp/.X11-unix");
}
g_chmod_hex("/tmp/.X11-unix", 0x1777);
}
g_snprintf(text, 255, "xrdp_sesman_%8.8x_main_term", g_pid);
g_term_event = g_create_wait_obj(text);
sesman_main_loop();
/* clean up PID file on exit */
if (daemon)
{
g_file_delete(pid_file);
}
g_delete_wait_obj(g_term_event);
if (!daemon)
{
log_end();
}
g_deinit();
return 0;
}
int main(int argc, char **argv)
{
int fd;
int pid;
int no_daemon;
char text[256];
char pid_file[256];
char cfg_file[256];
enum logReturns error;
xrdpStartupParams* startup_params;
g_init("xrdp");
g_snprintf(cfg_file, 255, "%s/xrdp.ini", XRDP_CFG_PATH);
/* starting logging subsystem */
error = log_start(cfg_file, "XRDP");
if (error != LOG_STARTUP_OK)
{
switch (error)
{
case LOG_ERROR_MALLOC:
g_writeln("error on malloc. cannot start logging. quitting.");
break;
case LOG_ERROR_FILE_OPEN:
g_writeln("error opening log file [%s]. quitting.", getLogFile(text, 255));
break;
default:
g_writeln("log_start error");
break;
}
g_deinit();
g_exit(1);
}
startup_params = (xrdpStartupParams *) g_malloc(sizeof(xrdpStartupParams), 1);
if (xrdp_process_params(argc, argv, startup_params) != 0)
{
g_writeln("Unknown Parameter");
g_writeln("xrdp -h for help");
g_writeln("");
g_deinit();
g_exit(0);
}
g_snprintf(pid_file, 255, "%s/xrdp-ng.pid", XRDP_PID_PATH);
no_daemon = 0;
if (startup_params->kill)
{
g_writeln("stopping xrdp");
/* read the xrdp.pid file */
fd = -1;
if (g_file_exist(pid_file)) /* xrdp-ng.pid */
{
fd = g_file_open(pid_file); /* xrdp-ng.pid */
}
if (fd == -1)
{
g_writeln("problem opening to xrdp-ng.pid [%s]", pid_file);
g_writeln("maybe its not running");
}
else
{
g_memset(text, 0, 32);
g_file_read(fd, (unsigned char*) text, 31);
pid = g_atoi(text);
g_writeln("stopping process id %d", pid);
if (pid > 0)
{
g_sigterm(pid);
}
g_file_close(fd);
}
g_deinit();
g_exit(0);
}
if (startup_params->no_daemon)
{
no_daemon = 1;
}
if (startup_params->help)
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("");
g_writeln("Usage: xrdp [options]");
g_writeln(" --help: show help");
g_writeln(" --nodaemon: don't fork into background");
g_writeln(" --kill: shut down xrdp");
g_writeln(" --port: tcp listen port");
g_writeln(" --fork: fork on new connection");
g_writeln("");
g_deinit();
g_exit(0);
}
if (startup_params->version)
{
g_writeln("");
g_writeln("xrdp: A Remote Desktop Protocol server.");
g_writeln("Copyright (C) Jay Sorg 2004-2011");
g_writeln("See http://xrdp.sourceforge.net for more information.");
g_writeln("Version %s", XRDP_NG_VERSION_FULL);
g_writeln("");
g_deinit();
g_exit(0);
}
if (g_file_exist(pid_file)) /* xrdp-ng.pid */
{
g_writeln("It looks like xrdp is already running,");
g_writeln("if not delete the xrdp-ng.pid file and try again");
g_deinit();
g_exit(0);
}
if (!no_daemon)
{
/* make sure containing directory exists */
g_create_path(pid_file);
/* make sure we can write to pid file */
fd = g_file_open(pid_file); /* xrdp-ng.pid */
if (fd == -1)
{
g_writeln("running in daemon mode with no access to pid files, quitting");
g_deinit();
g_exit(0);
}
if (g_file_write(fd, (unsigned char*) "0", 1) == -1)
{
g_writeln("running in daemon mode with no access to pid files, quitting");
g_deinit();
g_exit(0);
}
g_file_close(fd);
g_file_delete(pid_file);
}
if (!no_daemon)
{
/* start of daemonizing code */
pid = g_fork();
if (pid == -1)
{
g_writeln("problem forking");
g_deinit();
g_exit(1);
}
if (0 != pid)
{
g_writeln("process %d started ok", pid);
/* exit, this is the main process */
g_deinit();
g_exit(0);
}
g_sleep(1000);
/* write the pid to file */
pid = g_getpid();
fd = g_file_open(pid_file); /* xrdp-ng.pid */
if (fd == -1)
{
g_writeln("trying to write process id to xrdp-ng.pid");
g_writeln("problem opening xrdp-ng.pid");
g_writeln("maybe no rights");
}
else
{
g_sprintf(text, "%d", pid);
g_file_write(fd, (unsigned char*) text, g_strlen(text));
g_file_close(fd);
}
g_sleep(1000);
g_file_close(0);
g_file_close(1);
g_file_close(2);
g_file_open("/dev/null");
g_file_open("/dev/null");
g_file_open("/dev/null");
/* end of daemonizing code */
}
g_threadid = tc_get_threadid();
g_listen = xrdp_listen_create();
g_signal_user_interrupt(xrdp_shutdown); /* SIGINT */
g_signal_kill(xrdp_shutdown); /* SIGKILL */
g_signal_pipe(pipe_sig); /* SIGPIPE */
g_signal_terminate(xrdp_shutdown); /* SIGTERM */
g_signal_child_stop(xrdp_child); /* SIGCHLD */
g_sync_mutex = tc_mutex_create();
g_sync1_mutex = tc_mutex_create();
pid = g_getpid();
g_TermEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
g_SyncEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
xrdp_listen_main_loop(g_listen);
xrdp_listen_delete(g_listen);
tc_mutex_delete(g_sync_mutex);
tc_mutex_delete(g_sync1_mutex);
CloseHandle(g_TermEvent);
CloseHandle(g_SyncEvent);
/* only main process should delete pid file */
if ((!no_daemon) && (pid == g_getpid()))
{
/* delete the xrdp-ng.pid file */
g_file_delete(pid_file);
}
free(startup_params);
g_deinit();
return 0;
}
int DEFAULT_CC
main(int argc, char **argv)
{
tbus waiters[4];
int pid = 0;
char text[256];
char *home_text;
char *display_text;
char log_file[256];
enum logReturns error;
struct log_config logconfig;
g_init("xrdp-chansrv"); /* os_calls */
home_text = g_getenv("HOME");
if (home_text == 0)
{
g_writeln("error reading HOME environment variable");
g_deinit();
return 1;
}
read_ini();
pid = g_getpid();
/* starting logging subsystem */
g_memset(&logconfig, 0, sizeof(struct log_config));
logconfig.program_name = "XRDP-Chansrv";
g_snprintf(log_file, 255, "%s/xrdp-chansrv.log", home_text);
g_writeln("chansrv::main: using log file [%s]", log_file);
if (g_file_exist(log_file))
{
g_file_delete(log_file);
}
logconfig.log_file = log_file;
logconfig.fd = -1;
logconfig.log_level = LOG_LEVEL_ERROR;
logconfig.enable_syslog = 0;
logconfig.syslog_level = 0;
error = log_start_from_param(&logconfig);
if (error != LOG_STARTUP_OK)
{
switch (error)
{
case LOG_ERROR_MALLOC:
g_writeln("error on malloc. cannot start logging. quitting.");
break;
case LOG_ERROR_FILE_OPEN:
g_writeln("error opening log file [%s]. quitting.",
getLogFile(text, 255));
break;
default:
g_writeln("log_start error");
break;
}
g_deinit();
return 1;
}
LOGM((LOG_LEVEL_ALWAYS, "main: app started pid %d(0x%8.8x)", pid, pid));
/* set up signal handler */
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 */
g_signal_child_stop(child_signal_handler); /* SIGCHLD */
display_text = g_getenv("DISPLAY");
LOGM((LOG_LEVEL_INFO, "main: DISPLAY env var set to %s", display_text));
get_display_num_from_display(display_text);
if (g_display_num == 0)
{
LOGM((LOG_LEVEL_ERROR, "main: error, display is zero"));
g_deinit();
return 1;
}
LOGM((LOG_LEVEL_INFO, "main: using DISPLAY %d", g_display_num));
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_main_term", pid);
g_term_event = g_create_wait_obj(text);
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_thread_done", pid);
g_thread_done_event = g_create_wait_obj(text);
g_snprintf(text, 255, "xrdp_chansrv_%8.8x_exec", pid);
g_exec_event = g_create_wait_obj(text);
g_exec_mutex = tc_mutex_create();
g_exec_sem = tc_sem_create(0);
tc_thread_create(channel_thread_loop, 0);
while (g_term_event > 0 && !g_is_wait_obj_set(g_term_event))
{
waiters[0] = g_term_event;
waiters[1] = g_exec_event;
if (g_obj_wait(waiters, 2, 0, 0, 0) != 0)
{
LOGM((LOG_LEVEL_ERROR, "main: error, g_obj_wait failed"));
break;
}
if (g_is_wait_obj_set(g_term_event))
{
break;
}
if (g_is_wait_obj_set(g_exec_event))
{
g_reset_wait_obj(g_exec_event);
run_exec();
}
}
while (g_thread_done_event > 0 && !g_is_wait_obj_set(g_thread_done_event))
{
/* wait for thread to exit */
if (g_obj_wait(&g_thread_done_event, 1, 0, 0, 0) != 0)
{
LOGM((LOG_LEVEL_ERROR, "main: error, g_obj_wait failed"));
break;
}
}
/* cleanup */
main_cleanup();
LOGM((LOG_LEVEL_INFO, "main: app exiting pid %d(0x%8.8x)", pid, pid));
g_deinit();
return 0;
}
