platform_system_vold/vdc.cpp
Paul Crowley 14c8c0765a clang-format many files.
Test: Format-only changes; treehugger suffices.
Change-Id: I23cde3f0bbcac13bef555d13514e922c79d5ad48
2018-09-18 15:41:22 -07:00

116 lines
3.9 KiB
C++

/*
* 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 <errno.h>
#include <fcntl.h>
#include <poll.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.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 <binder/Status.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 < 5000; i++) {
res = sm->checkService(name);
if (res) {
LOG(VERBOSE) << "Waited " << (i * 10) << "ms for vold";
break;
}
usleep(10000); // 10ms
}
return res;
}
static void checkStatus(android::binder::Status status) {
if (status.isOk()) return;
LOG(ERROR) << "Failed: " << status.toString8().string();
exit(ENOTTY);
}
int main(int argc, char** argv) {
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);
}
std::vector<std::string> args(argv + 1, argv + argc);
if (args.size() > 0 && args[0] == "--wait") {
// Just ignore the --wait flag
args.erase(args.begin());
}
if (args.size() < 2) {
usage(argv[0]);
exit(5);
}
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 (args[0] == "cryptfs" && args[1] == "enablefilecrypto") {
checkStatus(vold->fbeEnable());
} else if (args[0] == "cryptfs" && args[1] == "init_user0") {
checkStatus(vold->initUser0());
} else if (args[0] == "cryptfs" && args[1] == "enablecrypto") {
int passwordType = android::os::IVold::PASSWORD_TYPE_DEFAULT;
int encryptionFlags = android::os::IVold::ENCRYPTION_FLAG_NO_UI;
checkStatus(vold->fdeEnable(passwordType, "", encryptionFlags));
} else if (args[0] == "cryptfs" && args[1] == "mountdefaultencrypted") {
checkStatus(vold->mountDefaultEncrypted());
} else if (args[0] == "volume" && args[1] == "shutdown") {
checkStatus(vold->shutdown());
} else if (args[0] == "cryptfs" && args[1] == "checkEncryption" && args.size() == 3) {
checkStatus(vold->checkEncryption(args[2]));
} else if (args[0] == "cryptfs" && args[1] == "mountFstab" && args.size() == 3) {
checkStatus(vold->mountFstab(args[2]));
} else if (args[0] == "cryptfs" && args[1] == "encryptFstab" && args.size() == 3) {
checkStatus(vold->encryptFstab(args[2]));
} else {
LOG(ERROR) << "Raw commands are no longer supported";
exit(EINVAL);
}
return 0;
}
static void usage(char* progname) {
LOG(INFO) << "Usage: " << progname << " [--wait] <system> <subcommand> [args...]";
}