1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <errno.h>
18#include <stdio.h>
19#include <stdlib.h>
20#include <cutils/properties.h>
21#include <cutils/android_reboot.h>
22#include <unistd.h>
23
24int main(int argc, char *argv[])
25{
26    int ret;
27    size_t prop_len;
28    char property_val[PROPERTY_VALUE_MAX];
29    const char *cmd = "reboot";
30    char *optarg = "";
31
32    opterr = 0;
33    do {
34        int c;
35
36        c = getopt(argc, argv, "p");
37
38        if (c == -1) {
39            break;
40        }
41
42        switch (c) {
43        case 'p':
44            cmd = "shutdown";
45            break;
46        case '?':
47            fprintf(stderr, "usage: %s [-p] [rebootcommand]\n", argv[0]);
48            exit(EXIT_FAILURE);
49        }
50    } while (1);
51
52    if(argc > optind + 1) {
53        fprintf(stderr, "%s: too many arguments\n", argv[0]);
54        exit(EXIT_FAILURE);
55    }
56
57    if (argc > optind)
58        optarg = argv[optind];
59
60    prop_len = snprintf(property_val, sizeof(property_val), "%s,%s", cmd, optarg);
61    if (prop_len >= sizeof(property_val)) {
62        fprintf(stderr, "reboot command too long: %s\n", optarg);
63        exit(EXIT_FAILURE);
64    }
65
66    ret = property_set(ANDROID_RB_PROPERTY, property_val);
67    if(ret < 0) {
68        perror("reboot");
69        exit(EXIT_FAILURE);
70    }
71
72    // Don't return early. Give the reboot command time to take effect
73    // to avoid messing up scripts which do "adb shell reboot && adb wait-for-device"
74    while(1) { pause(); }
75
76    fprintf(stderr, "Done\n");
77    return 0;
78}
79