Esempio n. 1
0
static int adm_control(struct udev *udev, int argc, char *argv[])
{
	struct udev_ctrl *uctrl = NULL;
	int timeout = 60;
	int rc = 1;

	static const struct option options[] = {
		{ "exit", no_argument, NULL, 'e' },
		{ "log-priority", required_argument, NULL, 'l' },
		{ "stop-exec-queue", no_argument, NULL, 's' },
		{ "start-exec-queue", no_argument, NULL, 'S' },
		{ "reload-rules", no_argument, NULL, 'R' },
		{ "property", required_argument, NULL, 'p' },
		{ "env", required_argument, NULL, 'p' },
		{ "children-max", required_argument, NULL, 'm' },
		{ "timeout", required_argument, NULL, 't' },
		{ "help", no_argument, NULL, 'h' },
		{}
	};

	if (getuid() != 0) {
		fprintf(stderr, "root privileges required\n");
		return 1;
	}

	uctrl = udev_ctrl_new(udev);
	if (uctrl == NULL)
		return 2;

	for (;;) {
		int option;

		option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL);
		if (option == -1)
			break;

		switch (option) {
		case 'e':
			if (udev_ctrl_send_exit(uctrl, timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'l': {
			int i;

			i = util_log_priority(optarg);
			if (i < 0) {
				fprintf(stderr, "invalid number '%s'\n", optarg);
				goto out;
			}
			if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		}
		case 's':
			if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'S':
			if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'R':
			if (udev_ctrl_send_reload_rules(uctrl, timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'p':
			if (strchr(optarg, '=') == NULL) {
				fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
				goto out;
			}
			if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'm': {
			char *endp;
			int i;

			i = strtoul(optarg, &endp, 0);
			if (endp[0] != '\0' || i < 1) {
				fprintf(stderr, "invalid number '%s'\n", optarg);
				goto out;
			}
			if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		}
		case 't': {
			int seconds;

			seconds = atoi(optarg);
			if (seconds >= 0)
				timeout = seconds;
			else
				fprintf(stderr, "invalid timeout value\n");
			break;
		}
		case 'h':
			print_help();
			rc = 0;
			break;
		}
	}

	if (argv[optind] != NULL)
		fprintf(stderr, "unknown option\n");
	else if (optind == 1)
		fprintf(stderr, "missing option\n");
out:
	udev_ctrl_unref(uctrl);
	return rc;
}
int udevadm_control(struct udev *udev, int argc, char *argv[])
{
	struct udev_ctrl *uctrl = NULL;
	int rc = 1;

	/* compat values with '_' will be removed in a future release */
	static const struct option options[] = {
		{ "log-priority", required_argument, NULL, 'l' },
		{ "stop-exec-queue", no_argument, NULL, 's' },
		{ "start-exec-queue", no_argument, NULL, 'S' },
		{ "reload-rules", no_argument, NULL, 'R' },
		{ "property", required_argument, NULL, 'p' },
		{ "env", required_argument, NULL, 'p' },
		{ "max-childs", required_argument, NULL, 'm' },
		{ "help", no_argument, NULL, 'h' },
		{}
	};

	if (getuid() != 0) {
		fprintf(stderr, "root privileges required\n");
		return 1;
	}

	uctrl = udev_ctrl_new_from_socket(udev, UDEV_CTRL_SOCK_PATH);
	if (uctrl == NULL)
		return 2;

	while (1) {
		int option;
		int i;
		char *endp;

		option = getopt_long(argc, argv, "l:sSRp:m:M:h", options, NULL);
		if (option == -1)
			break;

		switch (option) {
		case 'l':
			i = util_log_priority(optarg);
			if (i < 0) {
				fprintf(stderr, "invalid number '%s'\n", optarg);
				goto exit;
			}
			if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg)) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 's':
			if (udev_ctrl_send_stop_exec_queue(uctrl) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'S':
			if (udev_ctrl_send_start_exec_queue(uctrl) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'R':
			if (udev_ctrl_send_reload_rules(uctrl) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'p':
			if (strchr(optarg, '=') == NULL) {
				fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
				goto exit;
			}
			if (udev_ctrl_send_set_env(uctrl, optarg) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'm':
			i = strtoul(optarg, &endp, 0);
			if (endp[0] != '\0' || i < 1) {
				fprintf(stderr, "invalid number '%s'\n", optarg);
				goto exit;
			}
			if (udev_ctrl_send_set_max_childs(uctrl, i) < 0)
				rc = 2;
			else
				rc = 0;
			break;
		case 'h':
			print_help();
			rc = 0;
			break;
		}
	}

	if (rc == 1)
		err(udev, "unrecognized command\n");
exit:
	udev_ctrl_unref(uctrl);
	return rc;
}