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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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 <string.h>
#include <signal.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <poll.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/un.h>
#include "android/os/IVold.h"
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <binder/IServiceManager.h>
#include <private/android_filesystem_config.h>
static void usage(char *progname);
static android::sp<android::IBinder> getServiceAggressive() {
android::sp<android::IBinder> res;
auto sm = android::defaultServiceManager();
auto name = android::String16("vold");
for (int i = 0; i < 500; i++) {
res = sm->checkService(name);
if (res) {
LOG(VERBOSE) << "Waited " << (i * 10) << "ms for vold";
break;
}
usleep(10000); // 10ms
}
return res;
}
int main(int argc, char **argv) {
int sock;
int wait;
char *progname;
progname = argv[0];
setenv("ANDROID_LOG_TAGS", "*:v", 1);
if (getppid() == 1) {
// If init is calling us then it's during boot and we should log to kmsg
android::base::InitLogging(argv, &android::base::KernelLogger);
} else {
android::base::InitLogging(argv, &android::base::StderrLogger);
}
wait = argc > 1 && strcmp(argv[1], "--wait") == 0;
if (wait) {
argv++;
argc--;
}
if (argc < 3) {
usage(progname);
exit(5);
}
std::string arg1 = argv[1];
std::string arg2 = argv[2];
android::sp<android::IBinder> binder = getServiceAggressive();
if (!binder) {
LOG(ERROR) << "Failed to obtain vold Binder";
exit(EINVAL);
}
auto vold = android::interface_cast<android::os::IVold>(binder);
if (arg1 == "cryptfs" && arg2 == "enablefilecrypto") {
exit(vold->fbeEnable().isOk() ? 0 : ENOTTY);
} else if (arg1 == "cryptfs" && arg2 == "init_user0") {
exit(vold->initUser0().isOk() ? 0 : ENOTTY);
} else if (arg1 == "cryptfs" && arg2 == "enablecrypto") {
int passwordType = android::os::IVold::PASSWORD_TYPE_DEFAULT;
int encryptionFlags = android::os::IVold::ENCRYPTION_FLAG_IN_PLACE
| android::os::IVold::ENCRYPTION_FLAG_NO_UI;
exit(vold->fdeEnable(passwordType, "", encryptionFlags).isOk() ? 0 : ENOTTY);
} else if (arg1 == "cryptfs" && arg2 == "mountdefaultencrypted") {
exit(vold->mountDefaultEncrypted().isOk() ? 0 : ENOTTY);
} else if (arg1 == "volume" && arg2 == "shutdown") {
exit(vold->shutdown().isOk() ? 0 : ENOTTY);
} else {
LOG(ERROR) << "Raw commands are no longer supported";
exit(EINVAL);
}
}
static void usage(char *progname) {
LOG(INFO) << "Usage: " << progname << " [--wait] <monitor>|<cmd> [arg1] [arg2...]";
}
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