1/*
2 * Copyright (C) 2011 Kay Sievers <kay@vrfy.org>
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include <stdlib.h>
19#include <stddef.h>
20#include <string.h>
21#include <stdio.h>
22#include <unistd.h>
23#include <errno.h>
24#include <dirent.h>
25#include <fcntl.h>
26#include <getopt.h>
27#include <signal.h>
28#include <time.h>
29#include <sys/inotify.h>
30#include <poll.h>
31#include <sys/stat.h>
32#include <sys/types.h>
33
34#include "udev.h"
35
36static void help(struct udev *udev) {
37        printf("%s builtin [--help] COMMAND SYSPATH\n\n"
38               "Test a built-in command.\n\n"
39               "  -h --help     Print this message\n"
40               "     --version  Print version of the program\n\n"
41               "Commands:\n"
42               , program_invocation_short_name);
43
44        udev_builtin_list(udev);
45}
46
47static int adm_builtin(struct udev *udev, int argc, char *argv[]) {
48        static const struct option options[] = {
49                { "help", no_argument, NULL, 'h' },
50                {}
51        };
52        char *command = NULL;
53        char *syspath = NULL;
54        char filename[UTIL_PATH_SIZE];
55        struct udev_device *dev = NULL;
56        enum udev_builtin_cmd cmd;
57        int rc = EXIT_SUCCESS, c;
58
59        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
60                switch (c) {
61                case 'h':
62                        help(udev);
63                        goto out;
64                }
65
66        command = argv[optind++];
67        if (command == NULL) {
68                fprintf(stderr, "command missing\n");
69                help(udev);
70                rc = 2;
71                goto out;
72        }
73
74        syspath = argv[optind++];
75        if (syspath == NULL) {
76                fprintf(stderr, "syspath missing\n");
77                rc = 3;
78                goto out;
79        }
80
81        udev_builtin_init(udev);
82
83        cmd = udev_builtin_lookup(command);
84        if (cmd >= UDEV_BUILTIN_MAX) {
85                fprintf(stderr, "unknown command '%s'\n", command);
86                help(udev);
87                rc = 5;
88                goto out;
89        }
90
91        /* add /sys if needed */
92        if (!startswith(syspath, "/sys"))
93                strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
94        else
95                strscpy(filename, sizeof(filename), syspath);
96        util_remove_trailing_chars(filename, '/');
97
98        dev = udev_device_new_from_syspath(udev, filename);
99        if (dev == NULL) {
100                fprintf(stderr, "unable to open device '%s'\n\n", filename);
101                rc = 4;
102                goto out;
103        }
104
105        rc = udev_builtin_run(dev, cmd, command, true);
106        if (rc < 0) {
107                fprintf(stderr, "error executing '%s', exit code %i\n\n", command, rc);
108                rc = 6;
109        }
110out:
111        udev_device_unref(dev);
112        udev_builtin_exit(udev);
113        return rc;
114}
115
116const struct udevadm_cmd udevadm_test_builtin = {
117        .name = "test-builtin",
118        .cmd = adm_builtin,
119        .help = "Test a built-in command",
120        .debug = true,
121};
122