0699f1de6a
Overlay and target package paths can be longer than 256 characters. Currently, the idmap will fail to be generated if either path is longer than 256 characters. This change removes the 256 character limit and makes parsing variable length strings easier in libandroidfw. Bug: 174676094 Test: idmap2_tests && libandroidfw_tests Change-Id: Ic240cdb8700566b2ac2ade08da58bea852e4ae0c
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
/*
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* Copyright (C) 2018 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 "idmap2/PrettyPrintVisitor.h"
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#include <istream>
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#include <string>
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#include "android-base/macros.h"
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#include "android-base/stringprintf.h"
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#include "androidfw/ApkAssets.h"
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#include "idmap2/ResourceUtils.h"
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#include "idmap2/Result.h"
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namespace android::idmap2 {
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#define RESID(pkg, type, entry) (((pkg) << 24) | ((type) << 16) | (entry))
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#define TAB " "
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void PrettyPrintVisitor::visit(const Idmap& idmap ATTRIBUTE_UNUSED) {
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}
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void PrettyPrintVisitor::visit(const IdmapHeader& header) {
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stream_ << "Paths:" << std::endl
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<< TAB "target apk path : " << header.GetTargetPath() << std::endl
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<< TAB "overlay apk path : " << header.GetOverlayPath() << std::endl;
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const std::string& debug = header.GetDebugInfo();
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if (!debug.empty()) {
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std::istringstream debug_stream(debug);
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std::string line;
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stream_ << "Debug info:" << std::endl;
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while (std::getline(debug_stream, line)) {
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stream_ << TAB << line << std::endl;
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}
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}
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if (auto target_apk_ = ApkAssets::Load(header.GetTargetPath())) {
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target_am_.SetApkAssets({target_apk_.get()});
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apk_assets_.push_back(std::move(target_apk_));
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}
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if (auto overlay_apk = ApkAssets::Load(header.GetOverlayPath())) {
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overlay_am_.SetApkAssets({overlay_apk.get()});
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apk_assets_.push_back(std::move(overlay_apk));
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}
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stream_ << "Mapping:" << std::endl;
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}
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void PrettyPrintVisitor::visit(const IdmapData::Header& header ATTRIBUTE_UNUSED) {
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}
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void PrettyPrintVisitor::visit(const IdmapData& data) {
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static constexpr const char* kUnknownResourceName = "???";
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const bool target_package_loaded = !target_am_.GetApkAssets().empty();
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const bool overlay_package_loaded = !overlay_am_.GetApkAssets().empty();
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const ResStringPool string_pool(data.GetStringPoolData().data(), data.GetStringPoolData().size());
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const size_t string_pool_offset = data.GetHeader()->GetStringPoolIndexOffset();
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for (const auto& target_entry : data.GetTargetEntries()) {
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std::string target_name = kUnknownResourceName;
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if (target_package_loaded) {
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if (auto name = utils::ResToTypeEntryName(target_am_, target_entry.target_id)) {
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target_name = *name;
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}
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}
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std::string overlay_name = kUnknownResourceName;
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if (overlay_package_loaded) {
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if (auto name = utils::ResToTypeEntryName(overlay_am_, target_entry.overlay_id)) {
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overlay_name = *name;
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}
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}
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stream_ << TAB
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<< base::StringPrintf("0x%08x -> 0x%08x (%s -> %s)", target_entry.target_id,
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target_entry.overlay_id, target_name.c_str(),
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overlay_name.c_str())
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<< std::endl;
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}
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for (auto& target_entry : data.GetTargetInlineEntries()) {
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stream_ << TAB << base::StringPrintf("0x%08x -> ", target_entry.target_id)
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<< utils::DataTypeToString(target_entry.value.data_type);
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if (target_entry.value.data_type == Res_value::TYPE_STRING) {
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auto str = string_pool.stringAt(target_entry.value.data_value - string_pool_offset);
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stream_ << " \"" << str.value_or(StringPiece16(u"")) << "\"";
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} else {
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stream_ << " " << base::StringPrintf("0x%08x", target_entry.value.data_value);
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}
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std::string target_name = kUnknownResourceName;
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if (target_package_loaded) {
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if (auto name = utils::ResToTypeEntryName(target_am_, target_entry.target_id)) {
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target_name = *name;
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}
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}
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stream_ << " (" << target_name << ")" << std::endl;
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}
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}
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} // namespace android::idmap2
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