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.
26 #include <sys/select.h>
28 #include <sys/types.h>
31 #include "android/os/IVold.h"
33 #include <android-base/logging.h>
34 #include <android-base/parsebool.h>
35 #include <android-base/parseint.h>
36 #include <android-base/stringprintf.h>
37 #include <android-base/strings.h>
38 #include <binder/IServiceManager.h>
39 #include <binder/Status.h>
41 #include <private/android_filesystem_config.h>
43 static void usage(char* progname);
45 static android::sp<android::IBinder> getServiceAggressive() {
46 android::sp<android::IBinder> res;
47 auto sm = android::defaultServiceManager();
48 auto name = android::String16("vold");
49 for (int i = 0; i < 5000; i++) {
50 res = sm->checkService(name);
52 LOG(VERBOSE) << "Waited " << (i * 10) << "ms for vold";
55 usleep(10000); // 10ms
60 static void checkStatus(std::vector<std::string>& cmd, android::binder::Status status) {
61 if (status.isOk()) return;
62 std::string command = ::android::base::Join(cmd, " ");
63 LOG(ERROR) << "Command: " << command << " Failed: " << status.toString8().string();
67 int main(int argc, char** argv) {
68 setenv("ANDROID_LOG_TAGS", "*:v", 1);
70 // If init is calling us then it's during boot and we should log to kmsg
71 android::base::InitLogging(argv, &android::base::KernelLogger);
73 android::base::InitLogging(argv, &android::base::StderrLogger);
75 std::vector<std::string> args(argv + 1, argv + argc);
77 if (args.size() > 0 && args[0] == "--wait") {
78 // Just ignore the --wait flag
79 args.erase(args.begin());
82 if (args.size() < 2) {
86 android::sp<android::IBinder> binder = getServiceAggressive();
88 LOG(ERROR) << "Failed to obtain vold Binder";
91 auto vold = android::interface_cast<android::os::IVold>(binder);
93 if (args[0] == "cryptfs" && args[1] == "enablefilecrypto") {
94 checkStatus(args, vold->fbeEnable());
95 } else if (args[0] == "cryptfs" && args[1] == "init_user0") {
96 checkStatus(args, vold->initUser0());
97 } else if (args[0] == "cryptfs" && args[1] == "enablecrypto") {
98 int passwordType = android::os::IVold::PASSWORD_TYPE_DEFAULT;
99 int encryptionFlags = android::os::IVold::ENCRYPTION_FLAG_NO_UI;
100 checkStatus(args, vold->fdeEnable(passwordType, "", encryptionFlags));
101 } else if (args[0] == "cryptfs" && args[1] == "mountdefaultencrypted") {
102 checkStatus(args, vold->mountDefaultEncrypted());
103 } else if (args[0] == "volume" && args[1] == "abort_fuse") {
104 checkStatus(args, vold->abortFuse());
105 } else if (args[0] == "volume" && args[1] == "shutdown") {
106 checkStatus(args, vold->shutdown());
107 } else if (args[0] == "volume" && args[1] == "reset") {
108 checkStatus(args, vold->reset());
109 } else if (args[0] == "cryptfs" && args[1] == "mountFstab" && args.size() == 4) {
110 checkStatus(args, vold->mountFstab(args[2], args[3]));
111 } else if (args[0] == "cryptfs" && args[1] == "encryptFstab" && args.size() == 6) {
112 auto shouldFormat = android::base::ParseBool(args[4]);
113 if (shouldFormat == android::base::ParseBoolResult::kError) exit(EINVAL);
114 checkStatus(args, vold->encryptFstab(args[2], args[3],
115 shouldFormat == android::base::ParseBoolResult::kTrue,
117 } else if (args[0] == "checkpoint" && args[1] == "supportsCheckpoint" && args.size() == 2) {
118 bool supported = false;
119 checkStatus(args, vold->supportsCheckpoint(&supported));
120 return supported ? 1 : 0;
121 } else if (args[0] == "checkpoint" && args[1] == "supportsBlockCheckpoint" &&
123 bool supported = false;
124 checkStatus(args, vold->supportsBlockCheckpoint(&supported));
125 return supported ? 1 : 0;
126 } else if (args[0] == "checkpoint" && args[1] == "supportsFileCheckpoint" && args.size() == 2) {
127 bool supported = false;
128 checkStatus(args, vold->supportsFileCheckpoint(&supported));
129 return supported ? 1 : 0;
130 } else if (args[0] == "checkpoint" && args[1] == "startCheckpoint" && args.size() == 3) {
132 if (!android::base::ParseInt(args[2], &retry)) exit(EINVAL);
133 checkStatus(args, vold->startCheckpoint(retry));
134 } else if (args[0] == "checkpoint" && args[1] == "needsCheckpoint" && args.size() == 2) {
135 bool enabled = false;
136 checkStatus(args, vold->needsCheckpoint(&enabled));
137 return enabled ? 1 : 0;
138 } else if (args[0] == "checkpoint" && args[1] == "needsRollback" && args.size() == 2) {
139 bool enabled = false;
140 checkStatus(args, vold->needsRollback(&enabled));
141 return enabled ? 1 : 0;
142 } else if (args[0] == "checkpoint" && args[1] == "commitChanges" && args.size() == 2) {
143 checkStatus(args, vold->commitChanges());
144 } else if (args[0] == "checkpoint" && args[1] == "prepareCheckpoint" && args.size() == 2) {
145 checkStatus(args, vold->prepareCheckpoint());
146 } else if (args[0] == "checkpoint" && args[1] == "restoreCheckpoint" && args.size() == 3) {
147 checkStatus(args, vold->restoreCheckpoint(args[2]));
148 } else if (args[0] == "checkpoint" && args[1] == "restoreCheckpointPart" && args.size() == 4) {
150 if (!android::base::ParseInt(args[3], &count)) exit(EINVAL);
151 checkStatus(args, vold->restoreCheckpointPart(args[2], count));
152 } else if (args[0] == "checkpoint" && args[1] == "markBootAttempt" && args.size() == 2) {
153 checkStatus(args, vold->markBootAttempt());
154 } else if (args[0] == "checkpoint" && args[1] == "abortChanges" && args.size() == 4) {
156 if (!android::base::ParseInt(args[2], &retry)) exit(EINVAL);
157 checkStatus(args, vold->abortChanges(args[2], retry != 0));
158 } else if (args[0] == "checkpoint" && args[1] == "resetCheckpoint") {
159 checkStatus(args, vold->resetCheckpoint());
160 } else if (args[0] == "keymaster" && args[1] == "earlyBootEnded") {
161 checkStatus(args, vold->earlyBootEnded());
163 LOG(ERROR) << "Raw commands are no longer supported";
169 static void usage(char* progname) {
170 LOG(INFO) << "Usage: " << progname << " [--wait] <system> <subcommand> [args...]";