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/*
* Copyright (C) 2018 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 "apexservice.h"
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/result.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <binder/IPCThreadState.h>
#include <binder/IResultReceiver.h>
#include <binder/IServiceManager.h>
#include <binder/LazyServiceRegistrar.h>
#include <binder/ProcessState.h>
#include <binder/Status.h>
#include <private/android_filesystem_config.h>
#include <utils/String16.h>
#include "apex_file.h"
#include "apex_file_repository.h"
#include "apexd.h"
#include "apexd_session.h"
#include "string_log.h"
#include <android/apex/BnApexService.h>
using android::base::Join;
using android::base::Result;
namespace android {
namespace apex {
namespace binder {
namespace {
using BinderStatus = ::android::binder::Status;
BinderStatus CheckCallerIsRoot(const std::string& name) {
uid_t uid = IPCThreadState::self()->getCallingUid();
if (uid != AID_ROOT) {
std::string msg = "Only root is allowed to call " + name;
return BinderStatus::fromExceptionCode(BinderStatus::EX_SECURITY,
String8(name.c_str()));
}
return BinderStatus::ok();
}
class ApexService : public BnApexService {
public:
using BinderStatus = ::android::binder::Status;
using SessionState = ::apex::proto::SessionState;
ApexService(){};
BinderStatus stagePackages(const std::vector<std::string>& paths) override;
BinderStatus unstagePackages(const std::vector<std::string>& paths) override;
BinderStatus submitStagedSession(const ApexSessionParams& params,
ApexInfoList* apex_info_list) override;
BinderStatus markStagedSessionReady(int session_id) override;
BinderStatus markStagedSessionSuccessful(int session_id) override;
BinderStatus getSessions(std::vector<ApexSessionInfo>* aidl_return) override;
BinderStatus getStagedSessionInfo(
int session_id, ApexSessionInfo* apex_session_info) override;
BinderStatus activatePackage(const std::string& package_path) override;
BinderStatus deactivatePackage(const std::string& package_path) override;
BinderStatus getActivePackages(std::vector<ApexInfo>* aidl_return) override;
BinderStatus getActivePackage(const std::string& package_name,
ApexInfo* aidl_return) override;
BinderStatus getAllPackages(std::vector<ApexInfo>* aidl_return) override;
BinderStatus preinstallPackages(
const std::vector<std::string>& paths) override;
BinderStatus postinstallPackages(
const std::vector<std::string>& paths) override;
BinderStatus abortStagedSession(int session_id) override;
BinderStatus revertActiveSessions() override;
BinderStatus resumeRevertIfNeeded() override;
BinderStatus snapshotCeData(int user_id, int rollback_id,
const std::string& apex_name) override;
BinderStatus restoreCeData(int user_id, int rollback_id,
const std::string& apex_name) override;
BinderStatus destroyDeSnapshots(int rollback_id) override;
BinderStatus destroyCeSnapshots(int user_id, int rollback_id) override;
BinderStatus destroyCeSnapshotsNotSpecified(
int user_id, const std::vector<int>& retain_rollback_ids) override;
BinderStatus remountPackages() override;
BinderStatus recollectPreinstalledData(
const std::vector<std::string>& paths) override;
BinderStatus recollectDataApex(const std::string& path,
const std::string& decompression_dir) override;
BinderStatus markBootCompleted() override;
BinderStatus calculateSizeForCompressedApex(
const CompressedApexInfoList& compressed_apex_info_list,
int64_t* required_size) override;
BinderStatus reserveSpaceForCompressedApex(
const CompressedApexInfoList& compressed_apex_info_list) override;
BinderStatus installAndActivatePackage(const std::string& package_path,
ApexInfo* aidl_return) override;
status_t dump(int fd, const Vector<String16>& args) override;
// Override onTransact so we can handle shellCommand.
status_t onTransact(uint32_t _aidl_code, const Parcel& _aidl_data,
Parcel* _aidl_reply, uint32_t _aidl_flags) override;
status_t shellCommand(int in, int out, int err, const Vector<String16>& args);
};
BinderStatus CheckDebuggable(const std::string& name) {
if (!::android::base::GetBoolProperty("ro.debuggable", false)) {
std::string tmp = name + " unavailable";
return BinderStatus::fromExceptionCode(BinderStatus::EX_SECURITY,
String8(tmp.c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::stagePackages(const std::vector<std::string>& paths) {
BinderStatus debug_check = CheckDebuggable("stagePackages");
if (!debug_check.isOk()) {
return debug_check;
}
LOG(DEBUG) << "stagePackages() received by ApexService, paths "
<< android::base::Join(paths, ',');
Result<void> res = ::android::apex::StagePackages(paths);
if (res.ok()) {
return BinderStatus::ok();
}
LOG(ERROR) << "Failed to stage " << android::base::Join(paths, ',') << ": "
<< res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
BinderStatus ApexService::unstagePackages(
const std::vector<std::string>& paths) {
Result<void> res = ::android::apex::UnstagePackages(paths);
if (res.ok()) {
return BinderStatus::ok();
}
LOG(ERROR) << "Failed to unstage " << android::base::Join(paths, ',') << ": "
<< res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
BinderStatus ApexService::submitStagedSession(const ApexSessionParams& params,
ApexInfoList* apex_info_list) {
LOG(DEBUG) << "submitStagedSession() received by ApexService, session id "
<< params.sessionId << " child sessions: ["
<< android::base::Join(params.childSessionIds, ',') << "]";
Result<std::vector<ApexFile>> packages = ::android::apex::SubmitStagedSession(
params.sessionId, params.childSessionIds, params.hasRollbackEnabled,
params.isRollback, params.rollbackId);
if (!packages.ok()) {
LOG(ERROR) << "Failed to submit session id " << params.sessionId << ": "
<< packages.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(packages.error().message().c_str()));
}
for (const auto& package : *packages) {
ApexInfo out;
out.moduleName = package.GetManifest().name();
out.modulePath = package.GetPath();
out.versionCode = package.GetManifest().version();
apex_info_list->apexInfos.push_back(out);
}
return BinderStatus::ok();
}
BinderStatus ApexService::markStagedSessionReady(int session_id) {
LOG(DEBUG) << "markStagedSessionReady() received by ApexService, session id "
<< session_id;
Result<void> success = ::android::apex::MarkStagedSessionReady(session_id);
if (!success.ok()) {
LOG(ERROR) << "Failed to mark session id " << session_id
<< " as ready: " << success.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(success.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::markStagedSessionSuccessful(int session_id) {
LOG(DEBUG)
<< "markStagedSessionSuccessful() received by ApexService, session id "
<< session_id;
Result<void> ret = ::android::apex::MarkStagedSessionSuccessful(session_id);
if (!ret.ok()) {
LOG(ERROR) << "Failed to mark session " << session_id
<< " as SUCCESS: " << ret.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_ILLEGAL_ARGUMENT,
String8(ret.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::markBootCompleted() {
::android::apex::OnBootCompleted();
return BinderStatus::ok();
}
BinderStatus ApexService::calculateSizeForCompressedApex(
const CompressedApexInfoList& compressed_apex_info_list,
int64_t* required_size) {
*required_size = 0;
const auto& instance = ApexFileRepository::GetInstance();
for (const auto& apex_info : compressed_apex_info_list.apexInfos) {
auto should_allocate_space = ShouldAllocateSpaceForDecompression(
apex_info.moduleName, apex_info.versionCode, instance);
if (!should_allocate_space.ok() || *should_allocate_space) {
*required_size += apex_info.decompressedSize;
}
}
return BinderStatus::ok();
}
BinderStatus ApexService::reserveSpaceForCompressedApex(
const CompressedApexInfoList& compressed_apex_info_list) {
int64_t required_size;
if (auto res = calculateSizeForCompressedApex(compressed_apex_info_list,
&required_size);
!res.isOk()) {
return res;
}
if (auto res = ReserveSpaceForCompressedApex(required_size, kOtaReservedDir);
!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
static void ClearSessionInfo(ApexSessionInfo* session_info) {
session_info->sessionId = -1;
session_info->isUnknown = false;
session_info->isVerified = false;
session_info->isStaged = false;
session_info->isActivated = false;
session_info->isRevertInProgress = false;
session_info->isActivationFailed = false;
session_info->isSuccess = false;
session_info->isReverted = false;
session_info->isRevertFailed = false;
}
void ConvertToApexSessionInfo(const ApexSession& session,
ApexSessionInfo* session_info) {
using SessionState = ::apex::proto::SessionState;
ClearSessionInfo(session_info);
session_info->sessionId = session.GetId();
session_info->crashingNativeProcess = session.GetCrashingNativeProcess();
session_info->errorMessage = session.GetErrorMessage();
switch (session.GetState()) {
case SessionState::VERIFIED:
session_info->isVerified = true;
break;
case SessionState::STAGED:
session_info->isStaged = true;
break;
case SessionState::ACTIVATED:
session_info->isActivated = true;
break;
case SessionState::ACTIVATION_FAILED:
session_info->isActivationFailed = true;
break;
case SessionState::SUCCESS:
session_info->isSuccess = true;
break;
case SessionState::REVERT_IN_PROGRESS:
session_info->isRevertInProgress = true;
break;
case SessionState::REVERTED:
session_info->isReverted = true;
break;
case SessionState::REVERT_FAILED:
session_info->isRevertFailed = true;
break;
case SessionState::UNKNOWN:
default:
session_info->isUnknown = true;
break;
}
}
static ApexInfo GetApexInfo(const ApexFile& package) {
auto& instance = ApexFileRepository::GetInstance();
ApexInfo out;
out.moduleName = package.GetManifest().name();
out.modulePath = package.GetPath();
out.versionCode = package.GetManifest().version();
out.versionName = package.GetManifest().versionname();
out.isFactory = instance.IsPreInstalledApex(package);
out.isActive = false;
Result<std::string> preinstalled_path =
instance.GetPreinstalledPath(package.GetManifest().name());
if (preinstalled_path.ok()) {
out.preinstalledModulePath = *preinstalled_path;
}
return out;
}
static std::string ToString(const ApexInfo& package) {
std::string msg = StringLog()
<< "Module: " << package.moduleName
<< " Version: " << package.versionCode
<< " VersionName: " << package.versionName
<< " Path: " << package.modulePath
<< " IsActive: " << std::boolalpha << package.isActive
<< " IsFactory: " << std::boolalpha << package.isFactory
<< std::endl;
return msg;
}
BinderStatus ApexService::getSessions(
std::vector<ApexSessionInfo>* aidl_return) {
auto sessions = ApexSession::GetSessions();
for (const auto& session : sessions) {
ApexSessionInfo session_info;
ConvertToApexSessionInfo(session, &session_info);
aidl_return->push_back(session_info);
}
return BinderStatus::ok();
}
BinderStatus ApexService::getStagedSessionInfo(
int session_id, ApexSessionInfo* apex_session_info) {
LOG(DEBUG) << "getStagedSessionInfo() received by ApexService, session id "
<< session_id;
auto session = ApexSession::GetSession(session_id);
if (!session.ok()) {
// Unknown session.
ClearSessionInfo(apex_session_info);
apex_session_info->isUnknown = true;
return BinderStatus::ok();
}
ConvertToApexSessionInfo(*session, apex_session_info);
return BinderStatus::ok();
}
BinderStatus ApexService::activatePackage(const std::string& package_path) {
BinderStatus debug_check = CheckDebuggable("activatePackage");
if (!debug_check.isOk()) {
return debug_check;
}
LOG(DEBUG) << "activatePackage() received by ApexService, path "
<< package_path;
Result<void> res = ::android::apex::ActivatePackage(package_path);
if (res.ok()) {
return BinderStatus::ok();
}
LOG(ERROR) << "Failed to activate " << package_path << ": " << res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
BinderStatus ApexService::deactivatePackage(const std::string& package_path) {
BinderStatus debug_check = CheckDebuggable("deactivatePackage");
if (!debug_check.isOk()) {
return debug_check;
}
LOG(DEBUG) << "deactivatePackage() received by ApexService, path "
<< package_path;
Result<void> res = ::android::apex::DeactivatePackage(package_path);
if (res.ok()) {
return BinderStatus::ok();
}
LOG(ERROR) << "Failed to deactivate " << package_path << ": " << res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
BinderStatus ApexService::getActivePackages(
std::vector<ApexInfo>* aidl_return) {
auto packages = ::android::apex::GetActivePackages();
for (const auto& package : packages) {
ApexInfo apex_info = GetApexInfo(package);
apex_info.isActive = true;
aidl_return->push_back(std::move(apex_info));
}
return BinderStatus::ok();
}
BinderStatus ApexService::getActivePackage(const std::string& package_name,
ApexInfo* aidl_return) {
Result<ApexFile> apex = ::android::apex::GetActivePackage(package_name);
if (apex.ok()) {
*aidl_return = GetApexInfo(*apex);
aidl_return->isActive = true;
}
return BinderStatus::ok();
}
BinderStatus ApexService::getAllPackages(std::vector<ApexInfo>* aidl_return) {
const auto& active = ::android::apex::GetActivePackages();
const auto& factory = ::android::apex::GetFactoryPackages();
for (const ApexFile& pkg : active) {
ApexInfo apex_info = GetApexInfo(pkg);
apex_info.isActive = true;
aidl_return->push_back(std::move(apex_info));
}
for (const ApexFile& pkg : factory) {
const auto& same_path = [&pkg](const auto& o) {
return o.GetPath() == pkg.GetPath();
};
if (std::find_if(active.begin(), active.end(), same_path) == active.end()) {
aidl_return->push_back(GetApexInfo(pkg));
}
}
return BinderStatus::ok();
}
BinderStatus ApexService::installAndActivatePackage(
const std::string& package_path, ApexInfo* aidl_return) {
LOG(DEBUG) << "installAndActivatePackage() received by ApexService, path: "
<< package_path;
auto res = InstallPackage(package_path);
if (!res.ok()) {
LOG(ERROR) << "Failed to install package " << package_path << " : "
<< res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
*aidl_return = GetApexInfo(*res);
aidl_return->isActive = true;
return BinderStatus::ok();
}
BinderStatus ApexService::preinstallPackages(
const std::vector<std::string>& paths) {
BinderStatus debug_check = CheckDebuggable("preinstallPackages");
if (!debug_check.isOk()) {
return debug_check;
}
Result<void> res = ::android::apex::PreinstallPackages(paths);
if (res.ok()) {
return BinderStatus::ok();
}
LOG(ERROR) << "Failed to preinstall packages "
<< android::base::Join(paths, ',') << ": " << res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
BinderStatus ApexService::postinstallPackages(
const std::vector<std::string>& paths) {
BinderStatus debug_check = CheckDebuggable("postinstallPackages");
if (!debug_check.isOk()) {
return debug_check;
}
Result<void> res = ::android::apex::PostinstallPackages(paths);
if (res.ok()) {
return BinderStatus::ok();
}
LOG(ERROR) << "Failed to postinstall packages "
<< android::base::Join(paths, ',') << ": " << res.error();
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
BinderStatus ApexService::abortStagedSession(int session_id) {
LOG(DEBUG) << "abortStagedSession() received by ApexService.";
Result<void> res = ::android::apex::AbortStagedSession(session_id);
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_ILLEGAL_ARGUMENT,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::revertActiveSessions() {
LOG(DEBUG) << "revertActiveSessions() received by ApexService.";
Result<void> res = ::android::apex::RevertActiveSessions("", "");
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_ILLEGAL_ARGUMENT,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::resumeRevertIfNeeded() {
BinderStatus debug_check = CheckDebuggable("resumeRevertIfNeeded");
if (!debug_check.isOk()) {
return debug_check;
}
LOG(DEBUG) << "resumeRevertIfNeeded() received by ApexService.";
Result<void> res = ::android::apex::ResumeRevertIfNeeded();
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_ILLEGAL_ARGUMENT,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::snapshotCeData(int user_id, int rollback_id,
const std::string& apex_name) {
LOG(DEBUG) << "snapshotCeData() received by ApexService.";
Result<void> res =
::android::apex::SnapshotCeData(user_id, rollback_id, apex_name);
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::restoreCeData(int user_id, int rollback_id,
const std::string& apex_name) {
LOG(DEBUG) << "restoreCeData() received by ApexService.";
Result<void> res =
::android::apex::RestoreCeData(user_id, rollback_id, apex_name);
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::destroyDeSnapshots(int rollback_id) {
LOG(DEBUG) << "destroyDeSnapshots() received by ApexService.";
Result<void> res = ::android::apex::DestroyDeSnapshots(rollback_id);
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::destroyCeSnapshots(int user_id, int rollback_id) {
LOG(DEBUG) << "destroyCeSnapshots() received by ApexService.";
Result<void> res = ::android::apex::DestroyCeSnapshots(user_id, rollback_id);
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::destroyCeSnapshotsNotSpecified(
int user_id, const std::vector<int>& retain_rollback_ids) {
LOG(DEBUG) << "destroyCeSnapshotsNotSpecified() received by ApexService.";
Result<void> res = ::android::apex::DestroyCeSnapshotsNotSpecified(
user_id, retain_rollback_ids);
if (!res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::remountPackages() {
LOG(DEBUG) << "remountPackages() received by ApexService";
if (auto debug = CheckDebuggable("remountPackages"); !debug.isOk()) {
return debug;
}
if (auto root = CheckCallerIsRoot("remountPackages"); !root.isOk()) {
return root;
}
if (auto res = ::android::apex::RemountPackages(); !res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::recollectPreinstalledData(
const std::vector<std::string>& paths) {
LOG(DEBUG) << "recollectPreinstalledData() received by ApexService, paths: "
<< Join(paths, ',');
if (auto debug = CheckDebuggable("recollectPreinstalledData");
!debug.isOk()) {
return debug;
}
if (auto root = CheckCallerIsRoot("recollectPreinstalledData");
!root.isOk()) {
return root;
}
ApexFileRepository& instance = ApexFileRepository::GetInstance();
if (auto res = instance.AddPreInstalledApex(paths); !res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
BinderStatus ApexService::recollectDataApex(
const std::string& path, const std::string& decompression_dir) {
LOG(DEBUG) << "recollectDataApex() received by ApexService, paths " << path
<< " and " << decompression_dir;
if (auto debug = CheckDebuggable("recollectDataApex"); !debug.isOk()) {
return debug;
}
if (auto root = CheckCallerIsRoot("recollectDataApex"); !root.isOk()) {
return root;
}
ApexFileRepository& instance = ApexFileRepository::GetInstance();
if (auto res = instance.AddDataApex(path); !res.ok()) {
return BinderStatus::fromExceptionCode(
BinderStatus::EX_SERVICE_SPECIFIC,
String8(res.error().message().c_str()));
}
return BinderStatus::ok();
}
status_t ApexService::onTransact(uint32_t _aidl_code, const Parcel& _aidl_data,
Parcel* _aidl_reply, uint32_t _aidl_flags) {
switch (_aidl_code) {
case IBinder::SHELL_COMMAND_TRANSACTION: {
int in = _aidl_data.readFileDescriptor();
int out = _aidl_data.readFileDescriptor();
int err = _aidl_data.readFileDescriptor();
int argc = _aidl_data.readInt32();
Vector<String16> args;
for (int i = 0; i < argc && _aidl_data.dataAvail() > 0; i++) {
args.add(_aidl_data.readString16());
}
sp<IBinder> unused_callback;
sp<IResultReceiver> result_receiver;
status_t status;
if ((status = _aidl_data.readNullableStrongBinder(&unused_callback)) !=
OK)
return status;
if ((status = _aidl_data.readNullableStrongBinder(&result_receiver)) !=
OK)
return status;
status = shellCommand(in, out, err, args);
if (result_receiver != nullptr) {
result_receiver->send(status);
}
return OK;
}
}
return BnApexService::onTransact(_aidl_code, _aidl_data, _aidl_reply,
_aidl_flags);
}
status_t ApexService::dump(int fd, const Vector<String16>& /*args*/) {
std::vector<ApexInfo> list;
BinderStatus status = getActivePackages(&list);
dprintf(fd, "ACTIVE PACKAGES:\n");
if (!status.isOk()) {
std::string msg = StringLog() << "Failed to retrieve packages: "
<< status.toString8().string() << std::endl;
dprintf(fd, "%s", msg.c_str());
return BAD_VALUE;
} else {
for (const auto& item : list) {
std::string msg = ToString(item);
dprintf(fd, "%s", msg.c_str());
}
}
dprintf(fd, "SESSIONS:\n");
std::vector<ApexSession> sessions = ApexSession::GetSessions();
for (const auto& session : sessions) {
std::string child_ids_str = "";
auto child_ids = session.GetChildSessionIds();
if (child_ids.size() > 0) {
child_ids_str = "Child IDs:";
for (auto childSessionId : session.GetChildSessionIds()) {
child_ids_str += " " + std::to_string(childSessionId);
}
}
std::string revert_reason = "";
const auto& crashing_native_process = session.GetCrashingNativeProcess();
if (!crashing_native_process.empty()) {
revert_reason = " Revert Reason: " + crashing_native_process;
}
std::string error_message_dump = "";
const auto& error_message = session.GetErrorMessage();
if (!error_message.empty()) {
error_message_dump = " Error Message: " + error_message;
}
std::string msg =
StringLog() << "Session ID: " << session.GetId() << child_ids_str
<< " State: " << SessionState_State_Name(session.GetState())
<< revert_reason << error_message_dump << std::endl;
dprintf(fd, "%s", msg.c_str());
}
return OK;
}
status_t ApexService::shellCommand(int in, int out, int err,
const Vector<String16>& args) {
if (in == BAD_TYPE || out == BAD_TYPE || err == BAD_TYPE) {
return BAD_VALUE;
}
auto print_help = [](int fd, const char* prefix = nullptr) {
StringLog log;
if (prefix != nullptr) {
log << prefix << std::endl;
}
log << "ApexService:" << std::endl
<< " help - display this help" << std::endl
<< " stagePackages [package_path1] ([package_path2]...) - stage "
"multiple packages from the given path"
<< std::endl
<< " getActivePackage [package_name] - return info for active package "
"with given name, if present"
<< std::endl
<< " getAllPackages - return the list of all packages" << std::endl
<< " getActivePackages - return the list of active packages"
<< std::endl
<< " activatePackage [package_path] - activate package from the "
"given path"
<< std::endl
<< " deactivatePackage [package_path] - deactivate package from the "
"given path"
<< std::endl
<< " preinstallPackages [package_path1] ([package_path2]...) - run "
"pre-install hooks of the given packages"
<< std::endl
<< " postinstallPackages [package_path1] ([package_path2]...) - run "
"post-install hooks of the given packages"
<< std::endl
<< " getStagedSessionInfo [sessionId] - displays information about a "
"given session previously submitted"
<< std::endl
<< " submitStagedSession [sessionId] - attempts to submit the "
"installer session with given id"
<< std::endl
<< " remountPackages - Force apexd to remount active packages. This "
"call can be used to speed up development workflow of an APEX "
"package. Example of usage:\n"
" 1. adb shell stop\n"
" 2. adb sync\n"
" 3. adb shell cmd -w apexservice remountPackages\n"
" 4. adb shell start\n"
"\n"
"Note: APEX package will be successfully remounted only if there "
"are no alive processes holding a reference to it"
<< std::endl;
dprintf(fd, "%s", log.operator std::string().c_str());
};
if (args.size() == 0) {
print_help(err, "No command given");
return BAD_VALUE;
}
const String16& cmd = args[0];
if (cmd == String16("stagePackages")) {
if (args.size() < 2) {
print_help(err, "stagePackages requires at least one package_path");
return BAD_VALUE;
}
std::vector<std::string> pkgs;
pkgs.reserve(args.size() - 1);
for (size_t i = 1; i != args.size(); ++i) {
pkgs.emplace_back(String8(args[i]).string());
}
BinderStatus status = stagePackages(pkgs);
if (status.isOk()) {
return OK;
}
std::string msg = StringLog() << "Failed to stage package(s): "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("getAllPackages")) {
if (args.size() != 1) {
print_help(err, "Unrecognized options");
return BAD_VALUE;
}
std::vector<ApexInfo> list;
BinderStatus status = getAllPackages(&list);
if (status.isOk()) {
for (const auto& item : list) {
std::string msg = ToString(item);
dprintf(out, "%s", msg.c_str());
}
return OK;
}
std::string msg = StringLog() << "Failed to retrieve packages: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("getActivePackages")) {
if (args.size() != 1) {
print_help(err, "Unrecognized options");
return BAD_VALUE;
}
std::vector<ApexInfo> list;
BinderStatus status = getActivePackages(&list);
if (status.isOk()) {
for (const auto& item : list) {
std::string msg = ToString(item);
dprintf(out, "%s", msg.c_str());
}
return OK;
}
std::string msg = StringLog() << "Failed to retrieve packages: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("getActivePackage")) {
if (args.size() != 2) {
print_help(err, "Unrecognized options");
return BAD_VALUE;
}
ApexInfo package;
BinderStatus status = getActivePackage(String8(args[1]).string(), &package);
if (status.isOk()) {
std::string msg = ToString(package);
dprintf(out, "%s", msg.c_str());
return OK;
}
std::string msg = StringLog() << "Failed to fetch active package: "
<< String8(args[1]).string()
<< ", error: " << status.toString8().string()
<< std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("activatePackage")) {
if (args.size() != 2) {
print_help(err, "activatePackage requires one package_path");
return BAD_VALUE;
}
BinderStatus status = activatePackage(String8(args[1]).string());
if (status.isOk()) {
return OK;
}
std::string msg = StringLog() << "Failed to activate package: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("deactivatePackage")) {
if (args.size() != 2) {
print_help(err, "deactivatePackage requires one package_path");
return BAD_VALUE;
}
BinderStatus status = deactivatePackage(String8(args[1]).string());
if (status.isOk()) {
return OK;
}
std::string msg = StringLog() << "Failed to deactivate package: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("getStagedSessionInfo")) {
if (args.size() != 2) {
print_help(err, "getStagedSessionInfo requires one session id");
return BAD_VALUE;
}
int session_id = strtol(String8(args[1]).c_str(), nullptr, 10);
if (session_id < 0) {
std::string msg = StringLog()
<< "Failed to parse session id. Must be an integer.";
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
ApexSessionInfo session_info;
BinderStatus status = getStagedSessionInfo(session_id, &session_info);
if (status.isOk()) {
std::string revert_reason = "";
std::string crashing_native_process = session_info.crashingNativeProcess;
if (!crashing_native_process.empty()) {
revert_reason = " revertReason: " + crashing_native_process;
}
std::string msg = StringLog()
<< "session_info: "
<< " isUnknown: " << session_info.isUnknown
<< " isVerified: " << session_info.isVerified
<< " isStaged: " << session_info.isStaged
<< " isActivated: " << session_info.isActivated
<< " isActivationFailed: "
<< session_info.isActivationFailed << revert_reason
<< std::endl;
dprintf(out, "%s", msg.c_str());
return OK;
}
std::string msg = StringLog() << "Failed to query session: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("submitStagedSession")) {
if (args.size() != 2) {
print_help(err, "submitStagedSession requires one session id");
return BAD_VALUE;
}
int session_id = strtol(String8(args[1]).c_str(), nullptr, 10);
if (session_id < 0) {
std::string msg = StringLog()
<< "Failed to parse session id. Must be an integer.";
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
ApexInfoList list;
std::vector<int> empty_child_session_ids;
ApexSessionParams params;
params.sessionId = session_id;
params.childSessionIds = empty_child_session_ids;
BinderStatus status = submitStagedSession(params, &list);
if (status.isOk()) {
for (const auto& item : list.apexInfos) {
std::string msg = ToString(item);
dprintf(out, "%s", msg.c_str());
}
return OK;
}
std::string msg = StringLog() << "Failed to submit session: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("preinstallPackages") ||
cmd == String16("postinstallPackages")) {
if (args.size() < 2) {
print_help(err,
"preinstallPackages/postinstallPackages requires at least"
" one package_path");
return BAD_VALUE;
}
std::vector<std::string> pkgs;
pkgs.reserve(args.size() - 1);
for (size_t i = 1; i != args.size(); ++i) {
pkgs.emplace_back(String8(args[i]).string());
}
BinderStatus status = cmd == String16("preinstallPackages")
? preinstallPackages(pkgs)
: postinstallPackages(pkgs);
if (status.isOk()) {
return OK;
}
std::string msg = StringLog() << "Failed to pre/postinstall package(s): "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("remountPackages")) {
BinderStatus status = remountPackages();
if (status.isOk()) {
return OK;
}
std::string msg = StringLog() << "remountPackages failed: "
<< status.toString8().string() << std::endl;
dprintf(err, "%s", msg.c_str());
return BAD_VALUE;
}
if (cmd == String16("help")) {
if (args.size() != 1) {
print_help(err, "Help has no options");
return BAD_VALUE;
}
print_help(out);
return OK;
}
print_help(err);
return BAD_VALUE;
}
} // namespace
static constexpr const char* kApexServiceName = "apexservice";
using android::IPCThreadState;
using android::ProcessState;
using android::sp;
using android::binder::LazyServiceRegistrar;
void CreateAndRegisterService() {
sp<ProcessState> ps(ProcessState::self());
// Create binder service and register with LazyServiceRegistrar
sp<ApexService> apex_service = sp<ApexService>::make();
auto lazy_registrar = LazyServiceRegistrar::getInstance();
lazy_registrar.forcePersist(true);
lazy_registrar.registerService(apex_service, kApexServiceName);
}
void AllowServiceShutdown() {
auto lazy_registrar = LazyServiceRegistrar::getInstance();
lazy_registrar.forcePersist(false);
}
void StartThreadPool() {
sp<ProcessState> ps(ProcessState::self());
// Start threadpool, wait for IPC
ps->startThreadPool();
}
void JoinThreadPool() {
IPCThreadState::self()->joinThreadPool(); // should not return
}
} // namespace binder
} // namespace apex
} // namespace android