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