129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
/*
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* Copyright (C) 2020 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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#define LOG_TAG "sysprop_type_checker_main"
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <cstdio>
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#include <cstdlib>
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#include <string>
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#include <vector>
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#include <getopt.h>
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#include "Common.h"
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#include "TypeChecker.h"
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using android::base::Result;
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using android::properties::ParsePropertyInfoFile;
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using android::properties::PropertyInfoEntry;
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namespace {
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struct Arguments {
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std::vector<std::string> api_paths;
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std::vector<std::string> context_paths;
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};
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[[noreturn]] void PrintUsage(const char* exe_name) {
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std::printf("Usage: %s [--api api_path]... [--context context_path]...\n",
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exe_name);
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std::exit(EXIT_FAILURE);
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}
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Result<Arguments> ParseArgs(int argc, char* argv[]) {
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Arguments ret;
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for (;;) {
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static struct option long_options[] = {
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{"api", required_argument, 0, 'a'},
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{"context", required_argument, 0, 'c'},
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};
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int opt = getopt_long_only(argc, argv, "", long_options, nullptr);
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if (opt == -1) break;
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switch (opt) {
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case 'a':
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ret.api_paths.emplace_back(optarg);
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break;
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case 'c':
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ret.context_paths.emplace_back(optarg);
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break;
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default:
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PrintUsage(argv[0]);
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}
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}
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if (optind < argc) {
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return Errorf("Unknown arguments");
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}
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if (ret.api_paths.empty() || ret.context_paths.empty()) {
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return Errorf("both api files and context files must be specified");
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}
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return ret;
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}
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} // namespace
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int main(int argc, char* argv[]) {
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Arguments args;
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if (auto res = ParseArgs(argc, argv); res.ok()) {
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args = std::move(*res);
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} else {
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LOG(ERROR) << argv[0] << ": " << res.error();
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PrintUsage(argv[0]);
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}
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sysprop::SyspropLibraryApis api;
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// read all api files and merge them into one SyspropLibraryApis
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for (auto& api_path : args.api_paths) {
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if (auto res = ParseApiFile(api_path); res.ok()) {
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api.MergeFrom(*res);
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} else {
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LOG(FATAL) << "parsing sysprop_library API file " << api_path
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<< " failed: " << res.error();
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}
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}
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std::vector<PropertyInfoEntry> entries;
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// read all context files and parse entries
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for (auto& context_path : args.context_paths) {
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std::string contents;
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if (!android::base::ReadFileToString(context_path, &contents)) {
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LOG(FATAL) << "Could not read properties from '" << context_path << "'";
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}
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std::vector<std::string> errors;
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ParsePropertyInfoFile(contents, true, &entries, &errors);
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if (!errors.empty()) {
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for (const auto& error : errors) {
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LOG(ERROR) << "Could not read line from '" << context_path
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<< "': " << error;
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}
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LOG(FATAL) << "Could not parse properties from '" << context_path << "'";
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}
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}
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if (auto res = CheckPropertyTypes(api, entries); !res.ok()) {
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LOG(ERROR) << "sysprop_library type check failed:\n\n" << res.error();
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return EXIT_FAILURE;
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}
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}
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