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/*
* 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 "systemd-basic/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,
};
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