/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /* * Copyright (C) 2011 Kay Sievers <kay@vrfy.org> * * 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, see <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <getopt.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include "string-util.h" #include "udev.h" static void help(struct udev *udev) { printf("%s builtin [--help] COMMAND SYSPATH\n\n" "Test a built-in command.\n\n" " -h --help Print this message\n" " --version Print version of the program\n\n" "Commands:\n" , program_invocation_short_name); udev_builtin_list(udev); } static int adm_builtin(struct udev *udev, int argc, char *argv[]) { static const struct option options[] = { { "help", no_argument, NULL, 'h' }, {} }; char *command = NULL; char *syspath = NULL; char filename[UTIL_PATH_SIZE]; struct udev_device *dev = NULL; enum udev_builtin_cmd cmd; int rc = EXIT_SUCCESS, c; while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) switch (c) { case 'h': help(udev); goto out; } command = argv[optind++]; if (command == NULL) { fprintf(stderr, "command missing\n"); help(udev); rc = 2; goto out; } syspath = argv[optind++]; if (syspath == NULL) { fprintf(stderr, "syspath missing\n"); rc = 3; goto out; } udev_builtin_init(udev); cmd = udev_builtin_lookup(command); if (cmd >= UDEV_BUILTIN_MAX) { fprintf(stderr, "unknown command '%s'\n", command); help(udev); rc = 5; goto out; } /* add /sys if needed */ if (!startswith(syspath, "/sys")) strscpyl(filename, sizeof(filename), "/sys", syspath, NULL); else strscpy(filename, sizeof(filename), syspath); util_remove_trailing_chars(filename, '/'); dev = udev_device_new_from_syspath(udev, filename); if (dev == NULL) { fprintf(stderr, "unable to open device '%s'\n\n", filename); rc = 4; goto out; } rc = udev_builtin_run(dev, cmd, command, true); if (rc < 0) { fprintf(stderr, "error executing '%s', exit code %i\n\n", command, rc); rc = 6; } out: udev_device_unref(dev); udev_builtin_exit(udev); return rc; } const struct udevadm_cmd udevadm_test_builtin = { .name = "test-builtin", .cmd = adm_builtin, .help = "Test a built-in command", .debug = true, };