int DEFAULT_CC main(int argc, char** argv) { int fd; int error; int daemon = 1; int pid; char pid_s[8]; char text[256]; if(g_is_root() != 0){ g_printf("Error, xrdp-sesman service must be start with root privilege\n"); return 0; } 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..."); daemon = 1; } else if ((2 == argc) && ((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 foregroud..."); daemon = 0; } else if ((2 == argc) && ((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_exit(0); } else if ((2 == argc) && ((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_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; } error = g_file_read(fd, pid_s, 7); if (-1 == error) { g_printf("error reading pid file: %s\n", g_get_strerror()); g_file_close(fd); 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_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_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(pid_file); g_printf("\n"); g_exit(1); } /* reading config */ g_cfg = g_malloc(sizeof(struct config_sesman), 1); if (0 == g_cfg) { g_printf("error creating config: quitting.\n"); 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_exit(1); } /* starting logging subsystem */ error = log_start(&(g_cfg->log)); if (error != LOG_STARTUP_OK) { switch (error) { case LOG_ERROR_MALLOC: g_printf("error on malloc. cannot start logging. quitting.\n"); break; case LOG_ERROR_FILE_OPEN: g_printf("error opening log file [%s]. quitting.\n", g_cfg->log.log_file); break; } g_exit(1); } /* libscp initialization */ scp_init(&(g_cfg->log)); if (daemon) { /* start of daemonizing code */ if (g_daemonize(pid_file) == 0) { g_writeln("problem daemonize"); g_exit(1); } } /* initializing locks */ lock_init(); /* 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_kill(sig_sesman_shutdown); /* SIGKILL */ g_signal_terminate(sig_sesman_shutdown); /* SIGTERM */ // g_signal_child_stop(sig_sesman_session_end); /* SIGCHLD */ #endif #if 0 thread_sighandler_start(); #endif /* start program main loop */ log_message(&(g_cfg->log), LOG_LEVEL_INFO, "starting sesman with pid %d", g_pid); /* make sure the /tmp/.X11-unix directory exist */ if (!g_directory_exist("/tmp/.X11-unix")) { g_create_dir("/tmp/.X11-unix"); g_chmod_hex("/tmp/.X11-unix", 0x1777); } if (!g_directory_exist(XRDP_SOCKET_PATH)) { g_create_dir(XRDP_SOCKET_PATH); g_chmod_hex(XRDP_SOCKET_PATH, 0x1777); } g_snprintf(text, 255, "xrdp_sesman_%8.8x_main_term", g_pid); g_term_event = g_create_wait_obj(text); g_snprintf(text, 255, "xrdp_sesman_%8.8x_main_sync", g_pid); g_sync_event = g_create_wait_obj(text); scp_init_mutex(); tc_thread_create(admin_thread, 0); tc_thread_create(monit_thread, 0); sesman_main_loop(); scp_remove_mutex(); g_delete_wait_obj(g_term_event); g_delete_wait_obj(g_sync_event); if (!daemon) { log_end(&(g_cfg->log)); } return 0; }
int DEFAULT_CC main(int argc, char** argv) { int fd; int error; int daemon = 1; int pid; char pid_s[8]; 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], "-n")) ) ) { /* starts sesman not daemonized */ g_printf("starting sesman in foregroud...\n"); daemon = 0; } else if ((2 == argc) && ((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, --nodaemon starts sesman in foregroun\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_exit(0); } else if ((2 == argc) && ((0 == g_strcasecmp(argv[1], "--kill")) || (0 == g_strcasecmp(argv[1], "-k")))) { /* killing running sesman */ /* check if sesman is running */ if (!g_file_exist(SESMAN_PID_FILE)) { g_printf("sesman is not running (pid file not found - %s)\n", SESMAN_PID_FILE); g_exit(1); } fd = g_file_open(SESMAN_PID_FILE); if (-1 == fd) { g_printf("error opening pid file: %s\n", g_get_strerror()); return 1; } error = g_file_read(fd, pid_s, 7); if (-1 == error) { g_printf("error reading pid file: %s\n", g_get_strerror()); g_file_close(fd); 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(SESMAN_PID_FILE); } 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_exit(1); } if (g_file_exist(SESMAN_PID_FILE)) { g_printf("sesman is already running.\n"); g_printf("if it's not running, try removing "); g_printf(SESMAN_PID_FILE); g_printf("\n"); g_exit(1); } /* reading config */ g_cfg = g_malloc(sizeof(struct config_sesman), 1); if (0 == g_cfg) { g_printf("error creating config: quitting.\n"); 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_exit(1); } /* starting logging subsystem */ error = log_start(&(g_cfg->log)); if (error != LOG_STARTUP_OK) { switch (error) { case LOG_ERROR_MALLOC: g_printf("error on malloc. cannot start logging. quitting.\n"); break; case LOG_ERROR_FILE_OPEN: g_printf("error opening log file. quitting.\n"); break; } g_exit(1); } /* libscp initialization */ scp_init(&(g_cfg->log)); if (daemon) { /* start of daemonizing code */ g_pid = g_fork(); if (0 != g_pid) { g_exit(0); } 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"); } /* initializing locks */ lock_init(); /* 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() */ /* g_signal(1, sig_sesman_reload_cfg); / * SIGHUP * / g_signal(2, sig_sesman_shutdown); / * SIGINT * / g_signal(9, sig_sesman_shutdown); / * SIGKILL * / g_signal(15, sig_sesman_shutdown); / * SIGTERM * / g_signal_child_stop(cterm); / * SIGCHLD * / */ thread_sighandler_start(); /* writing pid file */ fd = g_file_open(SESMAN_PID_FILE); if (-1 == fd) { log_message(&(g_cfg->log), LOG_LEVEL_ERROR, "error opening pid file: %s", g_get_strerror()); log_end(&(g_cfg->log)); g_exit(1); } g_sprintf(pid_s, "%d", g_pid); g_file_write(fd, pid_s, g_strlen(pid_s) + 1); g_file_close(fd); /* start program main loop */ log_message(&(g_cfg->log), LOG_LEVEL_ALWAYS, "starting sesman with pid %d", g_pid); sesman_main_loop(); if (!daemon) { log_end(&(g_cfg->log)); } return 0; }