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https://github.com/systemd/systemd.git
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124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
/*
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* Copyright (C) 2011 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include <syslog.h>
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#include <getopt.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/inotify.h>
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#include <sys/poll.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "udev.h"
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static void help(struct udev *udev)
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{
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fprintf(stderr, "\n");
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fprintf(stderr, "Usage: udevadm builtin [--help] <command> <syspath>\n");
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udev_builtin_list(udev);
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fprintf(stderr, "\n");
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}
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static int adm_builtin(struct udev *udev, int argc, char *argv[])
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{
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static const struct option options[] = {
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{ "help", no_argument, NULL, 'h' },
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{}
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};
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char *command = NULL;
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char *syspath = NULL;
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char filename[UTIL_PATH_SIZE];
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struct udev_device *dev = NULL;
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enum udev_builtin_cmd cmd;
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int rc = EXIT_SUCCESS;
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dbg(udev, "version %s\n", VERSION);
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for (;;) {
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int option;
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option = getopt_long(argc, argv, "h", options, NULL);
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if (option == -1)
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break;
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switch (option) {
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case 'h':
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help(udev);
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goto out;
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}
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}
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command = argv[optind++];
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if (command == NULL) {
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fprintf(stderr, "command missing\n");
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help(udev);
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rc = 2;
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goto out;
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}
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syspath = argv[optind++];
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if (syspath == NULL) {
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fprintf(stderr, "syspath missing\n\n");
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rc = 3;
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goto out;
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}
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/* add /sys if needed */
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if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
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util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
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else
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util_strscpy(filename, sizeof(filename), syspath);
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util_remove_trailing_chars(filename, '/');
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dev = udev_device_new_from_syspath(udev, filename);
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if (dev == NULL) {
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fprintf(stderr, "unable to open device '%s'\n\n", filename);
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rc = 4;
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goto out;
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}
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cmd = udev_builtin_lookup(command);
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if (cmd >= UDEV_BUILTIN_MAX) {
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fprintf(stderr, "unknown command '%s'\n", command);
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help(udev);
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rc = 5;
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goto out;
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}
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if (udev_builtin_run(dev, cmd, true) < 0) {
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fprintf(stderr, "error executing '%s'\n\n", command);
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rc = 6;
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}
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out:
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udev_device_unref(dev);
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return rc;
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}
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const struct udevadm_cmd udevadm_test_builtin = {
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.name = "test-builtin",
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.cmd = adm_builtin,
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.help = "test a built-in command",
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};
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