3dfcc6b0be
- Checkout from https://github.com/seSuperuser/Superuser (commit: 69f84dd7a035b4a9f18dea69d9e0452bf0f73103) - Move Superuser/Superuser/jni/su/* to root - Move Superuser/jni/sqlite3/* to sqlite3
146 lines
3.2 KiB
C
146 lines
3.2 KiB
C
/*
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** Copyright 2013, Kevin Cernekee <cernekee@gmail.com>
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**
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** This was reverse engineered from an HTC "reboot" binary and is an attempt
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** to remain bug-compatible with the original.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sqlite3.h>
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#include <sys/reboot.h>
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#include <android/log.h>
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#define SETTINGS_DB "/data/data/com.android.providers.settings/databases/settings.db"
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#define SCREEN_LOCK_STATUS "/data/misc/screen_lock_status"
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int pattern_lock;
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int sqlcallback(void *private, int n_columns, char **col_values, char **col_names)
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{
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pattern_lock = 0;
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if (n_columns == 0 || !col_values[0])
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return 0;
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if (!strcmp(col_values[0], "1"))
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pattern_lock = 1;
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__android_log_print(ANDROID_LOG_INFO, NULL,
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"sqlcallback %s = %s, pattern_locks= %d\n",
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col_names[0], col_values[0], pattern_lock);
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return 0;
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}
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int checkPatternLock(void)
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{
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sqlite3 *pDb = NULL;
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char *errmsg = NULL;
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if (sqlite3_open(SETTINGS_DB, &pDb) != 0) {
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__android_log_print(ANDROID_LOG_ERROR, NULL,
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"sqlite3_open error");
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/* BUG? probably shouldn't call sqlite3_close() if open failed */
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goto out;
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}
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if (sqlite3_exec(pDb,
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"select value from system where name= \"lock_pattern_autolock\"",
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sqlcallback, "checkPatternLock", &errmsg) != 0) {
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__android_log_print(ANDROID_LOG_ERROR, NULL,
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"SQL error: %s\n", errmsg);
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sqlite3_free(errmsg);
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goto out;
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}
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out:
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sqlite3_close(pDb);
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return 0;
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}
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int main(int argc, char **argv)
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{
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int no_sync = 0, power_off = 0;
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int ret;
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opterr = 0;
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while ((ret = getopt(argc, argv, "np")) != -1) {
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switch (ret) {
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case 'n':
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no_sync = 1;
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break;
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case 'p':
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power_off = 1;
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break;
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case '?':
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fprintf(stderr, "usage: %s [-n] [-p] [rebootcommand]\n",
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argv[0]);
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exit(1);
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break;
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}
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}
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if (argc > (optind + 1)) {
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fprintf(stderr, "%s: too many arguments\n", argv[0]);
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exit(1);
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}
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/* BUG: this should use optind */
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if (argc > 1 && !strcmp(argv[1], "oem-78")) {
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/* HTC RUU mode: "reboot oem-78" */
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FILE *f;
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char buf[5];
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checkPatternLock();
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f = fopen(SCREEN_LOCK_STATUS, "r");
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if (!f) {
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fputs("5\n", stderr);
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exit(0);
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}
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fgets(buf, 5, f);
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if (atoi(buf) == 1) {
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if (pattern_lock != 0) {
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fputs("1\n", stderr);
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exit(0);
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}
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}
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fputs("0\n", stderr);
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}
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if (!no_sync)
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sync();
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if (power_off) {
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ret = __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
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LINUX_REBOOT_CMD_POWER_OFF, 0);
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} else if (optind >= argc) {
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ret = reboot(LINUX_REBOOT_CMD_RESTART);
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} else {
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ret = __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
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LINUX_REBOOT_CMD_RESTART2, argv[optind]);
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}
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if (ret < 0) {
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perror("reboot");
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exit(1);
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} else {
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fputs("reboot returned\n", stderr);
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exit(0);
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}
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}
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