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627 lines
23 KiB
627 lines
23 KiB
/*
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* Copyright (C) 2017 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 <getopt.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <algorithm>
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#include <functional>
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#include <iostream>
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#include <map>
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#include <optional>
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#include <aidl/metadata.h>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/parseint.h>
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#include <android-base/result.h>
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#include <android-base/strings.h>
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#include <hidl/metadata.h>
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#include <kver/kernel_release.h>
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#include <utils/Errors.h>
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#include <vintf/Dirmap.h>
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#include <vintf/HostFileSystem.h>
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#include <vintf/KernelConfigParser.h>
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#include <vintf/VintfObject.h>
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#include <vintf/fcm_exclude.h>
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#include <vintf/parse_string.h>
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#include <vintf/parse_xml.h>
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#include "utils.h"
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using android::kver::KernelRelease;
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namespace android {
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namespace vintf {
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namespace details {
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// fake sysprops
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using Properties = std::map<std::string, std::string>;
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enum Option : int {
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// Modes
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HELP,
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DUMP_FILE_LIST = 1,
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CHECK_COMPAT,
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CHECK_ONE,
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// Options
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ROOTDIR,
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PROPERTY,
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DIR_MAP,
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KERNEL,
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};
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// command line arguments
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using Args = std::multimap<Option, std::string>;
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class PresetPropertyFetcher : public PropertyFetcher {
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public:
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std::string getProperty(const std::string& key,
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const std::string& defaultValue) const override {
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auto it = mProps.find(key);
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if (it == mProps.end()) {
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LOG(INFO) << "Sysprop " << key << " is missing, default to '" << defaultValue << "'";
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return defaultValue;
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}
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LOG(INFO) << "Sysprop " << key << "=" << it->second;
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return it->second;
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}
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uint64_t getUintProperty(const std::string& key, uint64_t defaultValue,
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uint64_t max) const override {
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uint64_t result;
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std::string value = getProperty(key, "");
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if (!value.empty() && android::base::ParseUint(value, &result, max)) return result;
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return defaultValue;
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}
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bool getBoolProperty(const std::string& key, bool defaultValue) const override {
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std::string value = getProperty(key, "");
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if (value == "1" || value == "true") {
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return true;
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} else if (value == "0" || value == "false") {
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return false;
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}
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return defaultValue;
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}
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void setProperties(const Properties& props) { mProps.insert(props.begin(), props.end()); }
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private:
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std::map<std::string, std::string> mProps;
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};
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struct StaticRuntimeInfo : public RuntimeInfo {
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KernelVersion kernelVersion;
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Level kernelLevel = Level::UNSPECIFIED;
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std::string kernelConfigFile;
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status_t fetchAllInformation(FetchFlags flags) override {
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if (flags & RuntimeInfo::FetchFlag::CPU_VERSION) {
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mKernel.mVersion = kernelVersion;
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LOG(INFO) << "fetched kernel version " << kernelVersion;
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}
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if (flags & RuntimeInfo::FetchFlag::KERNEL_FCM) {
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mKernel.mLevel = kernelLevel;
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LOG(INFO) << "fetched kernel level from RuntimeInfo '" << kernelLevel << "'";
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}
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if (flags & RuntimeInfo::FetchFlag::CONFIG_GZ) {
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std::string content;
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if (!android::base::ReadFileToString(kernelConfigFile, &content)) {
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LOG(ERROR) << "Cannot read " << kernelConfigFile;
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return UNKNOWN_ERROR;
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}
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KernelConfigParser parser;
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auto status = parser.processAndFinish(content);
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if (status != OK) {
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return status;
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}
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mKernel.mConfigs = std::move(parser.configs());
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LOG(INFO) << "read kernel configs from " << kernelConfigFile;
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}
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if (flags & RuntimeInfo::FetchFlag::POLICYVERS) {
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mKernelSepolicyVersion = SIZE_MAX;
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}
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return OK;
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}
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};
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struct StubRuntimeInfo : public RuntimeInfo {
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status_t fetchAllInformation(FetchFlags) override { return UNKNOWN_ERROR; }
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};
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struct StaticRuntimeInfoFactory : public ObjectFactory<RuntimeInfo> {
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std::shared_ptr<RuntimeInfo> info;
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StaticRuntimeInfoFactory(std::shared_ptr<RuntimeInfo> i) : info(i) {}
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std::shared_ptr<RuntimeInfo> make_shared() const override {
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if (info) return info;
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return std::make_shared<StubRuntimeInfo>();
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}
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};
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// helper functions
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template <typename T>
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std::unique_ptr<T> readObject(FileSystem* fileSystem, const std::string& path) {
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std::string xml;
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std::string error;
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status_t err = fileSystem->fetch(path, &xml, &error);
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if (err != OK) {
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LOG(ERROR) << "Cannot read '" << path << "' (" << strerror(-err) << "): " << error;
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return nullptr;
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}
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auto ret = std::make_unique<T>();
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ret->setFileName(path);
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if (!fromXml(ret.get(), xml, &error)) {
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LOG(ERROR) << "Cannot parse '" << path << "': " << error;
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return nullptr;
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}
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return ret;
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}
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int checkCompatibilityForFiles(const std::string& manifestPath, const std::string& matrixPath) {
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auto fileSystem = std::make_unique<FileSystemImpl>();
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auto manifest = readObject<HalManifest>(fileSystem.get(), manifestPath);
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auto matrix = readObject<CompatibilityMatrix>(fileSystem.get(), matrixPath);
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if (manifest == nullptr || matrix == nullptr) {
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return -1;
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}
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std::string error;
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if (!manifest->checkCompatibility(*matrix, &error)) {
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LOG(ERROR) << "Incompatible: " << error;
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std::cout << "false" << std::endl;
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return 1;
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}
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std::cout << "true" << std::endl;
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return 0;
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}
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Args parseArgs(int argc, char** argv) {
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int longOptFlag;
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int optionIndex;
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Args ret;
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std::vector<struct option> longopts{
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// Modes
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{"help", no_argument, &longOptFlag, HELP},
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{"dump-file-list", no_argument, &longOptFlag, DUMP_FILE_LIST},
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{"check-compat", no_argument, &longOptFlag, CHECK_COMPAT},
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{"check-one", no_argument, &longOptFlag, CHECK_ONE},
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// Options
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{"rootdir", required_argument, &longOptFlag, ROOTDIR},
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{"property", required_argument, &longOptFlag, PROPERTY},
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{"dirmap", required_argument, &longOptFlag, DIR_MAP},
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{"kernel", required_argument, &longOptFlag, KERNEL},
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{0, 0, 0, 0}};
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std::map<int, Option> shortopts{
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{'h', HELP}, {'D', PROPERTY}, {'c', CHECK_COMPAT},
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};
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for (;;) {
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int c = getopt_long(argc, argv, "hcD:", longopts.data(), &optionIndex);
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if (c == -1) {
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break;
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}
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std::string argValue = optarg ? optarg : std::string{};
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if (c == 0) {
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ret.emplace(static_cast<Option>(longOptFlag), std::move(argValue));
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} else {
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ret.emplace(shortopts[c], std::move(argValue));
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}
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}
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if (optind < argc) {
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// see non option
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LOG(ERROR) << "unrecognized option `" << argv[optind] << "'";
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return {{HELP, ""}};
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}
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return ret;
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}
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template <typename T>
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Properties getProperties(const T& args) {
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return splitArgs(args, '=');
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}
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// Parse a kernel version or a GKI kernel release.
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bool parseKernelVersionOrRelease(const std::string& s, StaticRuntimeInfo* ret) {
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// 5.4.42
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if (parse(s, &ret->kernelVersion)) {
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ret->kernelLevel = Level::UNSPECIFIED;
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return true;
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}
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LOG(INFO) << "Cannot parse \"" << s << "\" as kernel version, parsing as GKI kernel release.";
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// 5.4.42-android12-0-something
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auto kernelRelease = KernelRelease::Parse(s, true /* allow suffix */);
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if (kernelRelease.has_value()) {
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ret->kernelVersion = KernelVersion{kernelRelease->version(), kernelRelease->patch_level(),
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kernelRelease->sub_level()};
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ret->kernelLevel = RuntimeInfo::gkiAndroidReleaseToLevel(kernelRelease->android_release());
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return true;
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}
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LOG(INFO) << "Cannot parse \"" << s << "\" as GKI kernel release, parsing as kernel release";
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// 5.4.42-something
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auto pos = s.find_first_not_of("0123456789.");
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// substr handles pos == npos case
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if (parse(s.substr(0, pos), &ret->kernelVersion)) {
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ret->kernelLevel = Level::UNSPECIFIED;
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return true;
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}
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LOG(INFO) << "Cannot parse \"" << s << "\" as kernel release";
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return false;
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}
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// Parse the first half of --kernel. |s| can either be a kernel version, a GKI kernel release,
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// or a file that contains either of them.
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bool parseKernelArgFirstHalf(const std::string& s, StaticRuntimeInfo* ret) {
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if (parseKernelVersionOrRelease(s, ret)) {
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LOG(INFO) << "Successfully parsed \"" << s << "\"";
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return true;
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}
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std::string content;
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if (!android::base::ReadFileToString(s, &content)) {
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PLOG(INFO) << "Cannot read file " << s;
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return false;
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}
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if (parseKernelVersionOrRelease(content, ret)) {
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LOG(INFO) << "Successfully parsed content of " << s << ": " << content;
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return true;
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}
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LOG(ERROR) << "Cannot parse content of " << s << ": " << content;
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return false;
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}
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template <typename T>
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std::shared_ptr<StaticRuntimeInfo> getRuntimeInfo(const T& args) {
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auto ret = std::make_shared<StaticRuntimeInfo>();
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if (std::distance(args.begin(), args.end()) > 1) {
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LOG(ERROR) << "Can't have multiple --kernel options";
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return nullptr;
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}
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const auto& arg = *args.begin();
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auto colonPos = arg.rfind(":");
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if (colonPos == std::string::npos) {
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LOG(ERROR) << "Invalid --kernel";
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return nullptr;
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}
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if (!parseKernelArgFirstHalf(arg.substr(0, colonPos), ret.get())) {
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return nullptr;
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}
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ret->kernelConfigFile = arg.substr(colonPos + 1);
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return ret;
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}
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int usage(const char* me) {
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LOG(ERROR)
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<< me << ": check VINTF metadata." << std::endl
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<< " Modes:" << std::endl
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<< " --dump-file-list: Dump a list of directories / files on device" << std::endl
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<< " that is required to be used by --check-compat." << std::endl
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<< " -c, --check-compat: check compatibility for files under the root" << std::endl
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<< " directory specified by --root-dir." << std::endl
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<< " --check-one: check consistency of VINTF metadata for a single partition."
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<< std::endl
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<< std::endl
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<< " Options:" << std::endl
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<< " --rootdir=<dir>: specify root directory for all metadata. Same as " << std::endl
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<< " --dirmap /:<dir>" << std::endl
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<< " -D, --property <key>=<value>: specify sysprops." << std::endl
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<< " --dirmap </system:/dir/to/system> [--dirmap </vendor:/dir/to/vendor>[...]]"
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<< std::endl
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<< " Map partitions to directories. Cannot be specified with --rootdir."
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<< " --kernel <version:path/to/config>" << std::endl
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<< " Use the given kernel version and config to check. If" << std::endl
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<< " unspecified, kernel requirements are skipped." << std::endl
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<< " The first half, version, can be just x.y.z, or a file " << std::endl
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<< " containing the full kernel release string x.y.z-something." << std::endl
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<< " --help: show this message." << std::endl
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<< std::endl
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<< " Example:" << std::endl
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<< " # Get the list of required files." << std::endl
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<< " " << me << " --dump-file-list > /tmp/files.txt" << std::endl
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<< " # Pull from ADB, or use your own command to extract files from images"
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<< std::endl
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<< " ROOTDIR=/tmp/device/" << std::endl
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<< " cat /tmp/files.txt | xargs -I{} bash -c \"mkdir -p $ROOTDIR`dirname {}` && adb "
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"pull {} $ROOTDIR{}\""
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<< std::endl
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<< " # Check compatibility." << std::endl
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<< " " << me << " --check-compat --rootdir=$ROOTDIR \\" << std::endl
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<< " --property ro.product.first_api_level=`adb shell getprop "
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"ro.product.first_api_level` \\"
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<< std::endl
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<< " --property ro.boot.product.hardware.sku=`adb shell getprop "
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"ro.boot.product.hardware.sku`";
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return EX_USAGE;
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}
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class CheckVintfUtils {
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public:
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// Print HALs in the device manifest that are not declared in FCMs <= target FCM version.
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static void logHalsFromNewFcms(VintfObject* vintfObject,
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const std::vector<HidlInterfaceMetadata>& hidlMetadata) {
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auto deviceManifest = vintfObject->getDeviceHalManifest();
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if (deviceManifest == nullptr) {
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LOG(WARNING) << "Unable to print HALs from new FCMs: no device HAL manifest.";
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return;
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}
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std::vector<CompatibilityMatrix> matrixFragments;
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std::string error;
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auto status = vintfObject->getAllFrameworkMatrixLevels(&matrixFragments, &error);
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if (status != OK || matrixFragments.empty()) {
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LOG(WARNING) << "Unable to print HALs from new FCMs: " << statusToString(status) << ": "
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<< error;
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return;
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}
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auto it = std::remove_if(matrixFragments.begin(), matrixFragments.end(),
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[&](const CompatibilityMatrix& matrix) {
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return matrix.level() != Level::UNSPECIFIED &&
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matrix.level() > deviceManifest->level();
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});
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matrixFragments.erase(it, matrixFragments.end());
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auto combined =
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CompatibilityMatrix::combine(deviceManifest->level(), &matrixFragments, &error);
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if (combined == nullptr) {
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LOG(WARNING) << "Unable to print HALs from new FCMs: unable to combine matrix "
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"fragments <= level "
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<< deviceManifest->level() << ": " << error;
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}
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auto unused = deviceManifest->checkUnusedHals(*combined, hidlMetadata);
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if (unused.empty()) {
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LOG(INFO) << "All HALs in device manifest are declared in FCM <= level "
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<< deviceManifest->level();
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return;
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}
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LOG(INFO) << "The following HALs in device manifest are not declared in FCM <= level "
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<< deviceManifest->level() << ": ";
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for (const auto& hal : unused) {
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LOG(INFO) << " " << hal;
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}
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}
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};
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// If |result| is already an error, don't do anything. Otherwise, set it to
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// an error with |errorCode|. Return reference to Error object for appending
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// additional error messages.
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android::base::Error& SetErrorCode(std::optional<android::base::Error>* retError,
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int errorCode = 0) {
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if (!retError->has_value()) {
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retError->emplace(errorCode);
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} else {
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// Use existing error code.
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// There should already been an error message appended. Add a new line char for
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// additional messages.
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(**retError) << "\n";
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}
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return **retError;
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}
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// If |other| is an error, add it to |retError|.
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template <typename T>
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void AddResult(std::optional<android::base::Error>* retError, const android::base::Result<T>& other,
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const char* additionalMessage = "") {
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if (other.ok()) return;
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SetErrorCode(retError, other.error().code()) << other.error() << additionalMessage;
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}
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static constexpr const char* gCheckMissingHalsSuggestion{
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"\n- If this is a new package, add it to the latest framework compatibility matrix."
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"\n- If no interface should be added to the framework compatibility matrix (e.g. "
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"types-only package), add it to the exempt list in libvintf_fcm_exclude."};
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android::base::Result<void> checkAllFiles(const Dirmap& dirmap, const Properties& props,
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std::shared_ptr<StaticRuntimeInfo> runtimeInfo) {
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auto hostPropertyFetcher = std::make_unique<PresetPropertyFetcher>();
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hostPropertyFetcher->setProperties(props);
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CheckFlags::Type flags = CheckFlags::DEFAULT;
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if (!runtimeInfo) flags = flags.disableRuntimeInfo();
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auto vintfObject =
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VintfObject::Builder()
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.setFileSystem(std::make_unique<HostFileSystem>(dirmap, UNKNOWN_ERROR))
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.setPropertyFetcher(std::move(hostPropertyFetcher))
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.setRuntimeInfoFactory(std::make_unique<StaticRuntimeInfoFactory>(runtimeInfo))
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.build();
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std::optional<android::base::Error> retError = std::nullopt;
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std::string compatibleError;
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int compatibleResult = vintfObject->checkCompatibility(&compatibleError, flags);
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if (compatibleResult == INCOMPATIBLE) {
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SetErrorCode(&retError) << compatibleError;
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} else if (compatibleResult != COMPATIBLE) {
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SetErrorCode(&retError, -compatibleResult) << compatibleError;
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}
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auto hidlMetadata = HidlInterfaceMetadata::all();
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std::string deprecateError;
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int deprecateResult = vintfObject->checkDeprecation(hidlMetadata, &deprecateError);
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if (deprecateResult == DEPRECATED) {
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SetErrorCode(&retError) << deprecateError;
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} else if (deprecateResult != NO_DEPRECATED_HALS) {
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SetErrorCode(&retError, -deprecateResult) << deprecateError;
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}
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auto hasFcmExt = vintfObject->hasFrameworkCompatibilityMatrixExtensions();
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AddResult(&retError, hasFcmExt);
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auto deviceManifest = vintfObject->getDeviceHalManifest();
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Level targetFcm = Level::UNSPECIFIED;
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if (deviceManifest == nullptr) {
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SetErrorCode(&retError, -NAME_NOT_FOUND) << "No device HAL manifest";
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} else {
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targetFcm = deviceManifest->level();
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}
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if (hasFcmExt.value_or(false) || (targetFcm != Level::UNSPECIFIED && targetFcm >= Level::R)) {
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AddResult(&retError, vintfObject->checkUnusedHals(hidlMetadata));
|
|
} else {
|
|
LOG(INFO) << "Skip checking unused HALs.";
|
|
}
|
|
|
|
CheckVintfUtils::logHalsFromNewFcms(vintfObject.get(), hidlMetadata);
|
|
|
|
if (retError.has_value()) {
|
|
return *retError;
|
|
} else {
|
|
return {};
|
|
}
|
|
}
|
|
|
|
int checkDirmaps(const Dirmap& dirmap, const Properties& props) {
|
|
auto hostPropertyFetcher = std::make_unique<PresetPropertyFetcher>();
|
|
hostPropertyFetcher->setProperties(props);
|
|
auto exitCode = EX_OK;
|
|
for (auto&& [prefix, mappedPath] : dirmap) {
|
|
auto vintfObject =
|
|
VintfObject::Builder()
|
|
.setFileSystem(std::make_unique<HostFileSystem>(dirmap, NAME_NOT_FOUND))
|
|
.setPropertyFetcher(std::move(hostPropertyFetcher))
|
|
.setRuntimeInfoFactory(std::make_unique<StaticRuntimeInfoFactory>(nullptr))
|
|
.build();
|
|
|
|
if (android::base::StartsWith(prefix, "/system")) {
|
|
LOG(INFO) << "Checking system manifest.";
|
|
auto manifest = vintfObject->getFrameworkHalManifest();
|
|
if (!manifest) {
|
|
LOG(ERROR) << "Cannot fetch system manifest.";
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
LOG(INFO) << "Checking system matrix.";
|
|
auto matrix = vintfObject->getFrameworkCompatibilityMatrix();
|
|
if (!matrix) {
|
|
LOG(ERROR) << "Cannot fetch system matrix.";
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
auto res = vintfObject->checkMissingHalsInMatrices(HidlInterfaceMetadata::all(),
|
|
AidlInterfaceMetadata::all(),
|
|
ShouldCheckMissingHalsInFcm);
|
|
if (!res.ok()) {
|
|
LOG(ERROR) << res.error() << gCheckMissingHalsSuggestion;
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
|
|
res = vintfObject->checkMatrixHalsHasDefinition(HidlInterfaceMetadata::all(),
|
|
AidlInterfaceMetadata::all());
|
|
if (!res.ok()) {
|
|
LOG(ERROR) << res.error();
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (android::base::StartsWith(prefix, "/vendor")) {
|
|
LOG(INFO) << "Checking vendor manifest.";
|
|
auto manifest = vintfObject->getDeviceHalManifest();
|
|
if (!manifest) {
|
|
LOG(ERROR) << "Cannot fetch vendor manifest.";
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
LOG(INFO) << "Checking vendor matrix.";
|
|
auto matrix = vintfObject->getDeviceCompatibilityMatrix();
|
|
if (!matrix) {
|
|
LOG(ERROR) << "Cannot fetch vendor matrix.";
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
LOG(ERROR) << "--check-one does not work with --dirmap " << prefix;
|
|
exitCode = EX_SOFTWARE;
|
|
}
|
|
return exitCode;
|
|
}
|
|
|
|
} // namespace details
|
|
} // namespace vintf
|
|
} // namespace android
|
|
|
|
int main(int argc, char** argv) {
|
|
android::base::SetLogger(android::base::StderrLogger);
|
|
|
|
using namespace android::vintf;
|
|
using namespace android::vintf::details;
|
|
// legacy usage: check_vintf <manifest.xml> <matrix.xml>
|
|
if (argc == 3 && *argv[1] != '-' && *argv[2] != '-') {
|
|
int ret = checkCompatibilityForFiles(argv[1], argv[2]);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
Args args = parseArgs(argc, argv);
|
|
|
|
if (!iterateValues(args, HELP).empty()) {
|
|
return usage(argv[0]);
|
|
}
|
|
|
|
if (!iterateValues(args, DUMP_FILE_LIST).empty()) {
|
|
for (const auto& file : dumpFileList()) {
|
|
std::cout << file << std::endl;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
auto dirmap = getDirmap(iterateValues(args, DIR_MAP));
|
|
auto properties = getProperties(iterateValues(args, PROPERTY));
|
|
|
|
if (!iterateValues(args, CHECK_ONE).empty()) {
|
|
return checkDirmaps(dirmap, properties);
|
|
}
|
|
|
|
auto checkCompat = iterateValues(args, CHECK_COMPAT);
|
|
if (checkCompat.empty()) {
|
|
return usage(argv[0]);
|
|
}
|
|
|
|
auto rootdirs = iterateValues(args, ROOTDIR);
|
|
if (!rootdirs.empty()) {
|
|
if (std::distance(rootdirs.begin(), rootdirs.end()) > 1) {
|
|
LOG(ERROR) << "Can't have multiple --rootdir options";
|
|
return usage(argv[0]);
|
|
}
|
|
args.emplace(DIR_MAP, "/:" + *rootdirs.begin());
|
|
}
|
|
|
|
std::shared_ptr<StaticRuntimeInfo> runtimeInfo;
|
|
auto kernelArgs = iterateValues(args, KERNEL);
|
|
if (!kernelArgs.empty()) {
|
|
runtimeInfo = getRuntimeInfo(kernelArgs);
|
|
if (runtimeInfo == nullptr) {
|
|
return usage(argv[0]);
|
|
}
|
|
}
|
|
|
|
if (dirmap.empty()) {
|
|
LOG(ERROR) << "Missing --rootdir or --dirmap option.";
|
|
return usage(argv[0]);
|
|
}
|
|
|
|
auto compat = checkAllFiles(dirmap, properties, runtimeInfo);
|
|
|
|
if (compat.ok()) {
|
|
std::cout << "COMPATIBLE" << std::endl;
|
|
return EX_OK;
|
|
}
|
|
if (compat.error().code() == 0) {
|
|
LOG(ERROR) << "files are incompatible: " << compat.error();
|
|
std::cout << "INCOMPATIBLE" << std::endl;
|
|
return EX_DATAERR;
|
|
}
|
|
LOG(ERROR) << strerror(compat.error().code()) << ": " << compat.error();
|
|
return EX_SOFTWARE;
|
|
}
|