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115 lines
3.4 KiB
115 lines
3.4 KiB
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <poll.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include "android/os/IVold.h"
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#include <android-base/logging.h>
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#include <android-base/stringprintf.h>
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#include <binder/IServiceManager.h>
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#include <private/android_filesystem_config.h>
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static void usage(char *progname);
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static android::sp<android::IBinder> getServiceAggressive() {
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android::sp<android::IBinder> res;
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auto sm = android::defaultServiceManager();
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auto name = android::String16("vold");
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for (int i = 0; i < 500; i++) {
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res = sm->checkService(name);
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if (res) {
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LOG(VERBOSE) << "Waited " << (i * 10) << "ms for vold";
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break;
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}
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usleep(10000); // 10ms
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}
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return res;
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}
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int main(int argc, char **argv) {
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int sock;
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int wait;
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char *progname;
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progname = argv[0];
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setenv("ANDROID_LOG_TAGS", "*:v", 1);
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if (getppid() == 1) {
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// If init is calling us then it's during boot and we should log to kmsg
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android::base::InitLogging(argv, &android::base::KernelLogger);
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} else {
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android::base::InitLogging(argv, &android::base::StderrLogger);
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}
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wait = argc > 1 && strcmp(argv[1], "--wait") == 0;
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if (wait) {
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argv++;
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argc--;
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}
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if (argc < 3) {
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usage(progname);
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exit(5);
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}
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std::string arg1 = argv[1];
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std::string arg2 = argv[2];
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android::sp<android::IBinder> binder = getServiceAggressive();
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if (!binder) {
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LOG(ERROR) << "Failed to obtain vold Binder";
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exit(EINVAL);
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}
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auto vold = android::interface_cast<android::os::IVold>(binder);
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if (arg1 == "cryptfs" && arg2 == "enablefilecrypto") {
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exit(vold->fbeEnable().isOk() ? 0 : ENOTTY);
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} else if (arg1 == "cryptfs" && arg2 == "init_user0") {
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exit(vold->initUser0().isOk() ? 0 : ENOTTY);
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} else if (arg1 == "cryptfs" && arg2 == "enablecrypto") {
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int passwordType = android::os::IVold::PASSWORD_TYPE_DEFAULT;
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int encryptionFlags = android::os::IVold::ENCRYPTION_FLAG_IN_PLACE
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| android::os::IVold::ENCRYPTION_FLAG_NO_UI;
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exit(vold->fdeEnable(passwordType, "", encryptionFlags).isOk() ? 0 : ENOTTY);
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} else if (arg1 == "cryptfs" && arg2 == "mountdefaultencrypted") {
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exit(vold->mountDefaultEncrypted().isOk() ? 0 : ENOTTY);
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} else if (arg1 == "volume" && arg2 == "shutdown") {
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exit(vold->shutdown().isOk() ? 0 : ENOTTY);
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} else {
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LOG(ERROR) << "Raw commands are no longer supported";
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exit(EINVAL);
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}
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}
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static void usage(char *progname) {
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LOG(INFO) << "Usage: " << progname << " [--wait] <monitor>|<cmd> [arg1] [arg2...]";
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}
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