114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
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* Copyright (C) 2011 Kay Sievers <kay@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 <errno.h>
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#include <getopt.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "path-util.h"
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#include "string-util.h"
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#include "udev.h"
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static void help(struct udev *udev) {
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printf("%s builtin [--help] COMMAND SYSPATH\n\n"
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"Test a built-in command.\n\n"
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" -h --help Print this message\n"
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" --version Print version of the program\n\n"
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"Commands:\n"
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, program_invocation_short_name);
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udev_builtin_list(udev);
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}
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static int adm_builtin(struct udev *udev, int argc, char *argv[]) {
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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, c;
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while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
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switch (c) {
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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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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");
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rc = 3;
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goto out;
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}
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udev_builtin_init(udev);
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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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/* add /sys if needed */
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if (!path_startswith(syspath, "/sys"))
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strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
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else
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strscpy(filename, sizeof(filename), syspath);
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delete_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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rc = udev_builtin_run(dev, cmd, command, true);
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if (rc < 0) {
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fprintf(stderr, "error executing '%s', exit code %i\n\n", command, rc);
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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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udev_builtin_exit(udev);
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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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.debug = true,
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};
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