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769 lines
27 KiB
769 lines
27 KiB
/*
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** Copyright 2016, 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 <algorithm>
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#include <inttypes.h>
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#include <limits>
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#include <random>
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#include <regex>
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#include <selinux/android.h>
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#include <selinux/avc.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/capability.h>
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#include <sys/prctl.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <android-base/logging.h>
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#include <android-base/macros.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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#include <cutils/fs.h>
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#include <cutils/properties.h>
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#include <log/log.h>
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#include <private/android_filesystem_config.h>
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#include "android-base/file.h"
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#include "dexopt.h"
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#include "file_parsing.h"
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#include "globals.h"
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#include "installd_constants.h"
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#include "installd_deps.h" // Need to fill in requirements of commands.
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#include "otapreopt_parameters.h"
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#include "otapreopt_utils.h"
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#include "system_properties.h"
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#include "utils.h"
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#ifndef LOG_TAG
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#define LOG_TAG "otapreopt"
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#endif
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#define BUFFER_MAX 1024 /* input buffer for commands */
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#define TOKEN_MAX 16 /* max number of arguments in buffer */
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#define REPLY_MAX 256 /* largest reply allowed */
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using android::base::EndsWith;
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using android::base::Split;
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using android::base::StartsWith;
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using android::base::StringPrintf;
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namespace android {
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namespace installd {
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// Check expected values for dexopt flags. If you need to change this:
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//
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// RUN AN A/B OTA TO MAKE SURE THINGS STILL WORK!
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//
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// You most likely need to increase the protocol version and all that entails!
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static_assert(DEXOPT_PUBLIC == 1 << 1, "DEXOPT_PUBLIC unexpected.");
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static_assert(DEXOPT_DEBUGGABLE == 1 << 2, "DEXOPT_DEBUGGABLE unexpected.");
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static_assert(DEXOPT_BOOTCOMPLETE == 1 << 3, "DEXOPT_BOOTCOMPLETE unexpected.");
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static_assert(DEXOPT_PROFILE_GUIDED == 1 << 4, "DEXOPT_PROFILE_GUIDED unexpected.");
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static_assert(DEXOPT_SECONDARY_DEX == 1 << 5, "DEXOPT_SECONDARY_DEX unexpected.");
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static_assert(DEXOPT_FORCE == 1 << 6, "DEXOPT_FORCE unexpected.");
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static_assert(DEXOPT_STORAGE_CE == 1 << 7, "DEXOPT_STORAGE_CE unexpected.");
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static_assert(DEXOPT_STORAGE_DE == 1 << 8, "DEXOPT_STORAGE_DE unexpected.");
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static_assert(DEXOPT_ENABLE_HIDDEN_API_CHECKS == 1 << 10,
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"DEXOPT_ENABLE_HIDDEN_API_CHECKS unexpected");
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static_assert(DEXOPT_GENERATE_COMPACT_DEX == 1 << 11, "DEXOPT_GENERATE_COMPACT_DEX unexpected");
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static_assert(DEXOPT_GENERATE_APP_IMAGE == 1 << 12, "DEXOPT_GENERATE_APP_IMAGE unexpected");
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static_assert(DEXOPT_MASK == (0x3dfe | DEXOPT_IDLE_BACKGROUND_JOB),
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"DEXOPT_MASK unexpected.");
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template<typename T>
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static constexpr bool IsPowerOfTwo(T x) {
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static_assert(std::is_integral<T>::value, "T must be integral");
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// TODO: assert unsigned. There is currently many uses with signed values.
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return (x & (x - 1)) == 0;
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}
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template<typename T>
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static constexpr T RoundDown(T x, typename std::decay<T>::type n) {
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return (x & -n);
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}
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template<typename T>
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static constexpr T RoundUp(T x, typename std::remove_reference<T>::type n) {
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return RoundDown(x + n - 1, n);
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}
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class OTAPreoptService {
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public:
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// Main driver. Performs the following steps.
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//
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// 1) Parse options (read system properties etc from B partition).
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//
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// 2) Read in package data.
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//
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// 3) Prepare environment variables.
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//
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// 4) Prepare(compile) boot image, if necessary.
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//
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// 5) Run update.
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int Main(int argc, char** argv) {
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if (!ReadArguments(argc, argv)) {
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LOG(ERROR) << "Failed reading command line.";
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return 1;
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}
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if (!ReadSystemProperties()) {
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LOG(ERROR)<< "Failed reading system properties.";
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return 2;
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}
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if (!ReadEnvironment()) {
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LOG(ERROR) << "Failed reading environment properties.";
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return 3;
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}
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if (!CheckAndInitializeInstalldGlobals()) {
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LOG(ERROR) << "Failed initializing globals.";
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return 4;
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}
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PrepareEnvironmentVariables();
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if (!EnsureBootImageAndDalvikCache()) {
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LOG(ERROR) << "Bad boot image.";
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return 5;
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}
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int dexopt_retcode = RunPreopt();
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return dexopt_retcode;
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}
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int GetProperty(const char* key, char* value, const char* default_value) const {
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const std::string* prop_value = system_properties_.GetProperty(key);
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if (prop_value == nullptr) {
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if (default_value == nullptr) {
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return 0;
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}
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// Copy in the default value.
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strlcpy(value, default_value, kPropertyValueMax - 1);
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value[kPropertyValueMax - 1] = 0;
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return strlen(default_value);// TODO: Need to truncate?
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}
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size_t size = std::min(kPropertyValueMax - 1, prop_value->length()) + 1;
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strlcpy(value, prop_value->data(), size);
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return static_cast<int>(size - 1);
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}
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std::string GetOTADataDirectory() const {
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return StringPrintf("%s/%s", GetOtaDirectoryPrefix().c_str(), GetTargetSlot().c_str());
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}
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const std::string& GetTargetSlot() const {
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return parameters_.target_slot;
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}
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private:
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bool ReadSystemProperties() {
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// TODO This file does not have a stable format. It should be read by
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// code shared by init and otapreopt. See b/181182967#comment80
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static constexpr const char* kPropertyFiles[] = {
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"/system/build.prop"
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};
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for (size_t i = 0; i < arraysize(kPropertyFiles); ++i) {
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if (!system_properties_.Load(kPropertyFiles[i])) {
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return false;
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}
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}
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return true;
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}
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bool ReadEnvironment() {
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// Parse the environment variables from init.environ.rc, which have the form
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// export NAME VALUE
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// For simplicity, don't respect string quotation. The values we are interested in can be
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// encoded without them.
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//
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// init.environ.rc and derive_classpath all have the same format for
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// environment variable exports (since they are all meant to be read by
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// init) and can be matched by the same regex.
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std::regex export_regex("\\s*export\\s+(\\S+)\\s+(\\S+)");
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auto parse_results = [&](auto& input) {
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ParseFile(input, [&](const std::string& line) {
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std::smatch export_match;
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if (!std::regex_match(line, export_match, export_regex)) {
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return true;
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}
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if (export_match.size() != 3) {
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return true;
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}
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std::string name = export_match[1].str();
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std::string value = export_match[2].str();
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system_properties_.SetProperty(name, value);
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return true;
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});
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};
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// TODO Just like with the system-properties above we really should have
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// common code between init and otapreopt to deal with reading these
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// things. See b/181182967
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// There have been a variety of places the various env-vars have been
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// over the years. Expand or reduce this list as needed.
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static constexpr const char* kEnvironmentVariableSources[] = {
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"/init.environ.rc",
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};
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// First get everything from the static files.
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for (const char* env_vars_file : kEnvironmentVariableSources) {
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parse_results(env_vars_file);
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}
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// Next get everything from derive_classpath, since we're already in the
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// chroot it will get the new versions of any dependencies.
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{
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android::base::unique_fd fd(memfd_create("derive_classpath_temp", MFD_CLOEXEC));
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if (!fd.ok()) {
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LOG(ERROR) << "Unable to create fd for derive_classpath";
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return false;
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}
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std::string memfd_file = StringPrintf("/proc/%d/fd/%d", getpid(), fd.get());
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std::string error_msg;
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if (!Exec({"/apex/com.android.sdkext/bin/derive_classpath", memfd_file}, &error_msg)) {
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PLOG(ERROR) << "Running derive_classpath failed: " << error_msg;
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return false;
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}
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std::ifstream ifs(memfd_file);
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parse_results(ifs);
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}
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if (system_properties_.GetProperty(kAndroidDataPathPropertyName) == nullptr) {
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return false;
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}
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android_data_ = *system_properties_.GetProperty(kAndroidDataPathPropertyName);
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if (system_properties_.GetProperty(kAndroidRootPathPropertyName) == nullptr) {
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return false;
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}
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android_root_ = *system_properties_.GetProperty(kAndroidRootPathPropertyName);
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if (system_properties_.GetProperty(kBootClassPathPropertyName) == nullptr) {
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return false;
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}
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boot_classpath_ = *system_properties_.GetProperty(kBootClassPathPropertyName);
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if (system_properties_.GetProperty(ASEC_MOUNTPOINT_ENV_NAME) == nullptr) {
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return false;
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}
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asec_mountpoint_ = *system_properties_.GetProperty(ASEC_MOUNTPOINT_ENV_NAME);
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return true;
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}
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const std::string& GetAndroidData() const {
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return android_data_;
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}
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const std::string& GetAndroidRoot() const {
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return android_root_;
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}
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const std::string GetOtaDirectoryPrefix() const {
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return GetAndroidData() + "/ota";
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}
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bool CheckAndInitializeInstalldGlobals() {
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// init_globals_from_data_and_root requires "ASEC_MOUNTPOINT" in the environment. We
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// do not use any datapath that includes this, but we'll still have to set it.
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CHECK(system_properties_.GetProperty(ASEC_MOUNTPOINT_ENV_NAME) != nullptr);
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int result = setenv(ASEC_MOUNTPOINT_ENV_NAME, asec_mountpoint_.c_str(), 0);
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if (result != 0) {
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LOG(ERROR) << "Could not set ASEC_MOUNTPOINT environment variable";
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return false;
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}
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if (!init_globals_from_data_and_root(GetAndroidData().c_str(), GetAndroidRoot().c_str())) {
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LOG(ERROR) << "Could not initialize globals; exiting.";
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return false;
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}
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// This is different from the normal installd. We only do the base
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// directory, the rest will be created on demand when each app is compiled.
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if (access(GetOtaDirectoryPrefix().c_str(), R_OK) < 0) {
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LOG(ERROR) << "Could not access " << GetOtaDirectoryPrefix();
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return false;
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}
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return true;
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}
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bool ParseBool(const char* in) {
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if (strcmp(in, "true") == 0) {
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return true;
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}
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return false;
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}
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bool ParseUInt(const char* in, uint32_t* out) {
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char* end;
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long long int result = strtoll(in, &end, 0);
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if (in == end || *end != '\0') {
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return false;
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}
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if (result < std::numeric_limits<uint32_t>::min() ||
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std::numeric_limits<uint32_t>::max() < result) {
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return false;
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}
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*out = static_cast<uint32_t>(result);
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return true;
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}
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bool ReadArguments(int argc, char** argv) {
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return parameters_.ReadArguments(argc, const_cast<const char**>(argv));
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}
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void PrepareEnvironmentVariables() {
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environ_.push_back(StringPrintf("BOOTCLASSPATH=%s", boot_classpath_.c_str()));
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environ_.push_back(StringPrintf("ANDROID_DATA=%s", GetOTADataDirectory().c_str()));
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environ_.push_back(StringPrintf("ANDROID_ROOT=%s", android_root_.c_str()));
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for (const std::string& e : environ_) {
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putenv(const_cast<char*>(e.c_str()));
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}
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}
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// Ensure that we have the right boot image and cache file structures.
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bool EnsureBootImageAndDalvikCache() const {
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if (parameters_.instruction_set == nullptr) {
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LOG(ERROR) << "Instruction set missing.";
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return false;
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}
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const char* isa = parameters_.instruction_set;
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std::string dalvik_cache = GetOTADataDirectory() + "/" + DALVIK_CACHE;
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std::string isa_path = dalvik_cache + "/" + isa;
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// Reset umask in otapreopt, so that we control the the access for the files we create.
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umask(0);
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// Create the directories, if necessary.
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if (access(dalvik_cache.c_str(), F_OK) != 0) {
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if (!CreatePath(dalvik_cache)) {
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PLOG(ERROR) << "Could not create dalvik-cache dir " << dalvik_cache;
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return false;
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}
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}
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if (access(isa_path.c_str(), F_OK) != 0) {
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if (!CreatePath(isa_path)) {
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PLOG(ERROR) << "Could not create dalvik-cache isa dir";
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return false;
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}
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}
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// Check whether we have a boot image.
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// TODO: check that the files are correct wrt/ jars.
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std::string preopted_boot_art_path =
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StringPrintf("/apex/com.android.art/javalib/%s/boot.art", isa);
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if (access(preopted_boot_art_path.c_str(), F_OK) != 0) {
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PLOG(ERROR) << "Bad access() to " << preopted_boot_art_path;
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return false;
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}
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return true;
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}
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static bool CreatePath(const std::string& path) {
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// Create the given path. Use string processing instead of dirname, as dirname's need for
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// a writable char buffer is painful.
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// First, try to use the full path.
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if (mkdir(path.c_str(), 0711) == 0) {
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return true;
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}
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if (errno != ENOENT) {
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PLOG(ERROR) << "Could not create path " << path;
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return false;
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}
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// Now find the parent and try that first.
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size_t last_slash = path.find_last_of('/');
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if (last_slash == std::string::npos || last_slash == 0) {
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PLOG(ERROR) << "Could not create " << path;
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return false;
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}
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if (!CreatePath(path.substr(0, last_slash))) {
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return false;
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}
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if (mkdir(path.c_str(), 0711) == 0) {
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return true;
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}
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PLOG(ERROR) << "Could not create " << path;
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return false;
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}
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static const char* ParseNull(const char* arg) {
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return (strcmp(arg, "!") == 0) ? nullptr : arg;
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}
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bool ShouldSkipPreopt() const {
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// There's one thing we have to be careful about: we may/will be asked to compile an app
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// living in the system image. This may be a valid request - if the app wasn't compiled,
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// e.g., if the system image wasn't large enough to include preopted files. However, the
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// data we have is from the old system, so the driver (the OTA service) can't actually
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// know. Thus, we will get requests for apps that have preopted components. To avoid
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// duplication (we'd generate files that are not used and are *not* cleaned up), do two
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// simple checks:
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//
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// 1) Does the apk_path start with the value of ANDROID_ROOT? (~in the system image)
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// (For simplicity, assume the value of ANDROID_ROOT does not contain a symlink.)
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//
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// 2) If you replace the name in the apk_path with "oat," does the path exist?
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// (=have a subdirectory for preopted files)
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//
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// If the answer to both is yes, skip the dexopt.
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//
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// Note: while one may think it's OK to call dexopt and it will fail (because APKs should
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// be stripped), that's not true for APKs signed outside the build system (so the
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// jar content must be exactly the same).
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// (This is ugly as it's the only thing where we need to understand the contents
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// of parameters_, but it beats postponing the decision or using the call-
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// backs to do weird things.)
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const char* apk_path = parameters_.apk_path;
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CHECK(apk_path != nullptr);
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if (StartsWith(apk_path, android_root_)) {
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const char* last_slash = strrchr(apk_path, '/');
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if (last_slash != nullptr) {
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std::string path(apk_path, last_slash - apk_path + 1);
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CHECK(EndsWith(path, "/"));
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path = path + "oat";
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if (access(path.c_str(), F_OK) == 0) {
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LOG(INFO) << "Skipping A/B OTA preopt of already preopted package " << apk_path;
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return true;
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}
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}
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}
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|
|
// Another issue is unavailability of files in the new system. If the partition
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// layout changes, otapreopt_chroot may not know about this. Then files from that
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// partition will not be available and fail to build. This is problematic, as
|
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// this tool will wipe the OTA artifact cache and try again (for robustness after
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// a failed OTA with remaining cache artifacts).
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if (access(apk_path, F_OK) != 0) {
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LOG(WARNING) << "Skipping A/B OTA preopt of non-existing package " << apk_path;
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return true;
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}
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return false;
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}
|
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|
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// Run dexopt with the parameters of parameters_.
|
|
// TODO(calin): embed the profile name in the parameters.
|
|
int Dexopt() {
|
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std::string error;
|
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int res = dexopt(parameters_.apk_path,
|
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parameters_.uid,
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parameters_.pkgName,
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parameters_.instruction_set,
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parameters_.dexopt_needed,
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parameters_.oat_dir,
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parameters_.dexopt_flags,
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parameters_.compiler_filter,
|
|
parameters_.volume_uuid,
|
|
parameters_.shared_libraries,
|
|
parameters_.se_info,
|
|
parameters_.downgrade,
|
|
parameters_.target_sdk_version,
|
|
parameters_.profile_name,
|
|
parameters_.dex_metadata_path,
|
|
parameters_.compilation_reason,
|
|
&error);
|
|
if (res != 0) {
|
|
LOG(ERROR) << "During preopt of " << parameters_.apk_path << " got result " << res
|
|
<< " error: " << error;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
int RunPreopt() {
|
|
if (ShouldSkipPreopt()) {
|
|
return 0;
|
|
}
|
|
|
|
int dexopt_result = Dexopt();
|
|
if (dexopt_result == 0) {
|
|
return 0;
|
|
}
|
|
|
|
// If this was a profile-guided run, we may have profile version issues. Try to downgrade,
|
|
// if possible.
|
|
if ((parameters_.dexopt_flags & DEXOPT_PROFILE_GUIDED) == 0) {
|
|
return dexopt_result;
|
|
}
|
|
|
|
LOG(WARNING) << "Downgrading compiler filter in an attempt to progress compilation";
|
|
parameters_.dexopt_flags &= ~DEXOPT_PROFILE_GUIDED;
|
|
return Dexopt();
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Helpers, mostly taken from ART //
|
|
////////////////////////////////////
|
|
|
|
// Choose a random relocation offset. Taken from art/runtime/gc/image_space.cc.
|
|
static int32_t ChooseRelocationOffsetDelta(int32_t min_delta, int32_t max_delta) {
|
|
constexpr size_t kPageSize = PAGE_SIZE;
|
|
static_assert(IsPowerOfTwo(kPageSize), "page size must be power of two");
|
|
CHECK_EQ(min_delta % kPageSize, 0u);
|
|
CHECK_EQ(max_delta % kPageSize, 0u);
|
|
CHECK_LT(min_delta, max_delta);
|
|
|
|
std::default_random_engine generator;
|
|
generator.seed(GetSeed());
|
|
std::uniform_int_distribution<int32_t> distribution(min_delta, max_delta);
|
|
int32_t r = distribution(generator);
|
|
if (r % 2 == 0) {
|
|
r = RoundUp(r, kPageSize);
|
|
} else {
|
|
r = RoundDown(r, kPageSize);
|
|
}
|
|
CHECK_LE(min_delta, r);
|
|
CHECK_GE(max_delta, r);
|
|
CHECK_EQ(r % kPageSize, 0u);
|
|
return r;
|
|
}
|
|
|
|
static uint64_t GetSeed() {
|
|
#ifdef __BIONIC__
|
|
// Bionic exposes arc4random, use it.
|
|
uint64_t random_data;
|
|
arc4random_buf(&random_data, sizeof(random_data));
|
|
return random_data;
|
|
#else
|
|
#error "This is only supposed to run with bionic. Otherwise, implement..."
|
|
#endif
|
|
}
|
|
|
|
void AddCompilerOptionFromSystemProperty(const char* system_property,
|
|
const char* prefix,
|
|
bool runtime,
|
|
std::vector<std::string>& out) const {
|
|
const std::string* value = system_properties_.GetProperty(system_property);
|
|
if (value != nullptr) {
|
|
if (runtime) {
|
|
out.push_back("--runtime-arg");
|
|
}
|
|
if (prefix != nullptr) {
|
|
out.push_back(StringPrintf("%s%s", prefix, value->c_str()));
|
|
} else {
|
|
out.push_back(*value);
|
|
}
|
|
}
|
|
}
|
|
|
|
static constexpr const char* kBootClassPathPropertyName = "BOOTCLASSPATH";
|
|
static constexpr const char* kAndroidRootPathPropertyName = "ANDROID_ROOT";
|
|
static constexpr const char* kAndroidDataPathPropertyName = "ANDROID_DATA";
|
|
// The index of the instruction-set string inside the package parameters. Needed for
|
|
// some special-casing that requires knowledge of the instruction-set.
|
|
static constexpr size_t kISAIndex = 3;
|
|
|
|
// Stores the system properties read out of the B partition. We need to use these properties
|
|
// to compile, instead of the A properties we could get from init/get_property.
|
|
SystemProperties system_properties_;
|
|
|
|
// Some select properties that are always needed.
|
|
std::string android_root_;
|
|
std::string android_data_;
|
|
std::string boot_classpath_;
|
|
std::string asec_mountpoint_;
|
|
|
|
OTAPreoptParameters parameters_;
|
|
|
|
// Store environment values we need to set.
|
|
std::vector<std::string> environ_;
|
|
};
|
|
|
|
OTAPreoptService gOps;
|
|
|
|
////////////////////////
|
|
// Plug-in functions. //
|
|
////////////////////////
|
|
|
|
int get_property(const char *key, char *value, const char *default_value) {
|
|
return gOps.GetProperty(key, value, default_value);
|
|
}
|
|
|
|
// Compute the output path of
|
|
bool calculate_oat_file_path(char path[PKG_PATH_MAX], const char *oat_dir,
|
|
const char *apk_path,
|
|
const char *instruction_set) {
|
|
const char *file_name_start;
|
|
const char *file_name_end;
|
|
|
|
file_name_start = strrchr(apk_path, '/');
|
|
if (file_name_start == nullptr) {
|
|
ALOGE("apk_path '%s' has no '/'s in it\n", apk_path);
|
|
return false;
|
|
}
|
|
file_name_end = strrchr(file_name_start, '.');
|
|
if (file_name_end == nullptr) {
|
|
ALOGE("apk_path '%s' has no extension\n", apk_path);
|
|
return false;
|
|
}
|
|
|
|
// Calculate file_name
|
|
file_name_start++; // Move past '/', is valid as file_name_end is valid.
|
|
size_t file_name_len = file_name_end - file_name_start;
|
|
std::string file_name(file_name_start, file_name_len);
|
|
|
|
// <apk_parent_dir>/oat/<isa>/<file_name>.odex.b
|
|
snprintf(path,
|
|
PKG_PATH_MAX,
|
|
"%s/%s/%s.odex.%s",
|
|
oat_dir,
|
|
instruction_set,
|
|
file_name.c_str(),
|
|
gOps.GetTargetSlot().c_str());
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Computes the odex file for the given apk_path and instruction_set.
|
|
* /system/framework/whatever.jar -> /system/framework/oat/<isa>/whatever.odex
|
|
*
|
|
* Returns false if it failed to determine the odex file path.
|
|
*/
|
|
bool calculate_odex_file_path(char path[PKG_PATH_MAX], const char *apk_path,
|
|
const char *instruction_set) {
|
|
const char *path_end = strrchr(apk_path, '/');
|
|
if (path_end == nullptr) {
|
|
ALOGE("apk_path '%s' has no '/'s in it?!\n", apk_path);
|
|
return false;
|
|
}
|
|
std::string path_component(apk_path, path_end - apk_path);
|
|
|
|
const char *name_begin = path_end + 1;
|
|
const char *extension_start = strrchr(name_begin, '.');
|
|
if (extension_start == nullptr) {
|
|
ALOGE("apk_path '%s' has no extension.\n", apk_path);
|
|
return false;
|
|
}
|
|
std::string name_component(name_begin, extension_start - name_begin);
|
|
|
|
std::string new_path = StringPrintf("%s/oat/%s/%s.odex.%s",
|
|
path_component.c_str(),
|
|
instruction_set,
|
|
name_component.c_str(),
|
|
gOps.GetTargetSlot().c_str());
|
|
if (new_path.length() >= PKG_PATH_MAX) {
|
|
LOG(ERROR) << "apk_path of " << apk_path << " is too long: " << new_path;
|
|
return false;
|
|
}
|
|
strcpy(path, new_path.c_str());
|
|
return true;
|
|
}
|
|
|
|
bool create_cache_path(char path[PKG_PATH_MAX],
|
|
const char *src,
|
|
const char *instruction_set) {
|
|
size_t srclen = strlen(src);
|
|
|
|
/* demand that we are an absolute path */
|
|
if ((src == 0) || (src[0] != '/') || strstr(src,"..")) {
|
|
return false;
|
|
}
|
|
|
|
if (srclen > PKG_PATH_MAX) { // XXX: PKG_NAME_MAX?
|
|
return false;
|
|
}
|
|
|
|
std::string from_src = std::string(src + 1);
|
|
std::replace(from_src.begin(), from_src.end(), '/', '@');
|
|
|
|
std::string assembled_path = StringPrintf("%s/%s/%s/%s%s",
|
|
gOps.GetOTADataDirectory().c_str(),
|
|
DALVIK_CACHE,
|
|
instruction_set,
|
|
from_src.c_str(),
|
|
DALVIK_CACHE_POSTFIX);
|
|
|
|
if (assembled_path.length() + 1 > PKG_PATH_MAX) {
|
|
return false;
|
|
}
|
|
strcpy(path, assembled_path.c_str());
|
|
|
|
return true;
|
|
}
|
|
|
|
static int log_callback(int type, const char *fmt, ...) {
|
|
va_list ap;
|
|
int priority;
|
|
|
|
switch (type) {
|
|
case SELINUX_WARNING:
|
|
priority = ANDROID_LOG_WARN;
|
|
break;
|
|
case SELINUX_INFO:
|
|
priority = ANDROID_LOG_INFO;
|
|
break;
|
|
default:
|
|
priority = ANDROID_LOG_ERROR;
|
|
break;
|
|
}
|
|
va_start(ap, fmt);
|
|
LOG_PRI_VA(priority, "SELinux", fmt, ap);
|
|
va_end(ap);
|
|
return 0;
|
|
}
|
|
|
|
static int otapreopt_main(const int argc, char *argv[]) {
|
|
int selinux_enabled = (is_selinux_enabled() > 0);
|
|
|
|
setenv("ANDROID_LOG_TAGS", "*:v", 1);
|
|
android::base::InitLogging(argv);
|
|
|
|
if (argc < 2) {
|
|
ALOGE("Expecting parameters");
|
|
exit(1);
|
|
}
|
|
|
|
union selinux_callback cb;
|
|
cb.func_log = log_callback;
|
|
selinux_set_callback(SELINUX_CB_LOG, cb);
|
|
|
|
if (selinux_enabled && selinux_status_open(true) < 0) {
|
|
ALOGE("Could not open selinux status; exiting.\n");
|
|
exit(1);
|
|
}
|
|
|
|
int ret = android::installd::gOps.Main(argc, argv);
|
|
|
|
return ret;
|
|
}
|
|
|
|
} // namespace installd
|
|
} // namespace android
|
|
|
|
int main(const int argc, char *argv[]) {
|
|
return android::installd::otapreopt_main(argc, argv);
|
|
}
|