2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
27 #include <sys/select.h>
29 #include <sys/types.h>
32 #include "android/os/IVold.h"
34 #include <android-base/logging.h>
35 #include <android-base/stringprintf.h>
36 #include <binder/IServiceManager.h>
37 #include <binder/Status.h>
39 #include <private/android_filesystem_config.h>
41 static void usage(char *progname);
43 static android::sp<android::IBinder> getServiceAggressive() {
44 android::sp<android::IBinder> res;
45 auto sm = android::defaultServiceManager();
46 auto name = android::String16("vold");
47 for (int i = 0; i < 5000; i++) {
48 res = sm->checkService(name);
50 LOG(VERBOSE) << "Waited " << (i * 10) << "ms for vold";
53 usleep(10000); // 10ms
58 static void checkStatus(android::binder::Status status) {
59 if (status.isOk()) return;
60 LOG(ERROR) << "Failed: " << status.toString8().string();
64 int main(int argc, char** argv) {
65 setenv("ANDROID_LOG_TAGS", "*:v", 1);
67 // If init is calling us then it's during boot and we should log to kmsg
68 android::base::InitLogging(argv, &android::base::KernelLogger);
70 android::base::InitLogging(argv, &android::base::StderrLogger);
72 std::vector<std::string> args(argv + 1, argv + argc);
74 if (args.size() > 0 && args[0] == "--wait") {
75 // Just ignore the --wait flag
76 args.erase(args.begin());
79 if (args.size() < 2) {
83 android::sp<android::IBinder> binder = getServiceAggressive();
85 LOG(ERROR) << "Failed to obtain vold Binder";
88 auto vold = android::interface_cast<android::os::IVold>(binder);
90 if (args[0] == "cryptfs" && args[1] == "enablefilecrypto") {
91 checkStatus(vold->fbeEnable());
92 } else if (args[0] == "cryptfs" && args[1] == "init_user0") {
93 checkStatus(vold->initUser0());
94 } else if (args[0] == "cryptfs" && args[1] == "enablecrypto") {
95 int passwordType = android::os::IVold::PASSWORD_TYPE_DEFAULT;
96 int encryptionFlags = android::os::IVold::ENCRYPTION_FLAG_NO_UI;
97 checkStatus(vold->fdeEnable(passwordType, "", encryptionFlags));
98 } else if (args[0] == "cryptfs" && args[1] == "mountdefaultencrypted") {
99 checkStatus(vold->mountDefaultEncrypted());
100 } else if (args[0] == "volume" && args[1] == "shutdown") {
101 checkStatus(vold->shutdown());
102 } else if (args[0] == "cryptfs" && args[1] == "checkEncryption" && args.size() == 3) {
103 checkStatus(vold->checkEncryption(args[2]));
104 } else if (args[0] == "cryptfs" && args[1] == "mountFstab" && args.size() == 3) {
105 checkStatus(vold->mountFstab(args[2]));
106 } else if (args[0] == "cryptfs" && args[1] == "encryptFstab" && args.size() == 3) {
107 checkStatus(vold->encryptFstab(args[2]));
109 LOG(ERROR) << "Raw commands are no longer supported";
115 static void usage(char *progname) {
116 LOG(INFO) << "Usage: " << progname << " [--wait] <system> <subcommand> [args...]";