177 lines
8.6 KiB
C++
177 lines
8.6 KiB
C++
/*
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* Copyright (C) 2019 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 FUZZ_LOG_TAG "binder_ndk"
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#include "binder_ndk.h"
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#include <android/binder_parcel_utils.h>
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#include <android/binder_parcelable_utils.h>
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#include "util.h"
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// TODO(b/142061461): parent class
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class SomeParcelable {
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public:
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binder_status_t writeToParcel(AParcel* /*parcel*/) { return STATUS_OK; }
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binder_status_t readFromParcel(const AParcel* parcel) {
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return AParcel_readInt32(parcel, &mValue);
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}
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private:
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int32_t mValue = 0;
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};
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class ISomeInterface : public ::ndk::ICInterface {
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public:
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ISomeInterface() = default;
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virtual ~ISomeInterface() = default;
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static binder_status_t readFromParcel(const AParcel* parcel,
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std::shared_ptr<ISomeInterface>* instance);
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};
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static binder_status_t onTransact(AIBinder*, transaction_code_t, const AParcel*, AParcel*) {
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return STATUS_UNKNOWN_TRANSACTION;
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}
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static AIBinder_Class* g_class = ::ndk::ICInterface::defineClass("ISomeInterface", onTransact);
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class BpSomeInterface : public ::ndk::BpCInterface<ISomeInterface> {
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public:
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explicit BpSomeInterface(const ::ndk::SpAIBinder& binder) : BpCInterface(binder) {}
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virtual ~BpSomeInterface() = default;
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};
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binder_status_t ISomeInterface::readFromParcel(const AParcel* parcel,
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std::shared_ptr<ISomeInterface>* instance) {
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::ndk::SpAIBinder binder;
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binder_status_t status = AParcel_readStrongBinder(parcel, binder.getR());
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if (status == STATUS_OK) {
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if (AIBinder_associateClass(binder.get(), g_class)) {
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*instance = std::static_pointer_cast<ISomeInterface>(
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::ndk::ICInterface::asInterface(binder.get()));
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} else {
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*instance = ::ndk::SharedRefBase::make<BpSomeInterface>(binder);
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}
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}
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return status;
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}
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#define PARCEL_READ(T, FUN) \
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[](const NdkParcelAdapter& p, uint8_t /*data*/) { \
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FUZZ_LOG() << "about to read " #T " using " #FUN " with status"; \
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T t{}; \
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binder_status_t status = FUN(p.aParcel(), &t); \
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FUZZ_LOG() << #T " status: " << status /* << " value: " << t*/; \
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}
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// clang-format off
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std::vector<ParcelRead<NdkParcelAdapter>> BINDER_NDK_PARCEL_READ_FUNCTIONS{
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// methods from binder_parcel.h
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[](const NdkParcelAdapter& p, uint8_t pos) {
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FUZZ_LOG() << "about to set data position to " << pos;
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binder_status_t status = AParcel_setDataPosition(p.aParcel(), pos);
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FUZZ_LOG() << "set data position: " << status;
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},
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[](const NdkParcelAdapter& p, uint8_t /*data*/) {
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FUZZ_LOG() << "about to read status header";
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ndk::ScopedAStatus t;
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binder_status_t status = AParcel_readStatusHeader(p.aParcel(), t.getR());
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FUZZ_LOG() << "read status header: " << status;
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},
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[](const NdkParcelAdapter& p, uint8_t /*data*/) {
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FUZZ_LOG() << "about to getDataSize the parcel";
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AParcel_getDataSize(p.aParcel());
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FUZZ_LOG() << "getDataSize done";
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},
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[](const NdkParcelAdapter& p, uint8_t data) {
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FUZZ_LOG() << "about to read a ParcelableHolder";
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ndk::AParcelableHolder ph {(data % 2 == 1) ? ndk::STABILITY_LOCAL : ndk::STABILITY_VINTF};
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binder_status_t status = AParcel_readParcelable(p.aParcel(), &ph);
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FUZZ_LOG() << "read the ParcelableHolder: " << status;
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},
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[](const NdkParcelAdapter& p, uint8_t data) {
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FUZZ_LOG() << "about to appendFrom";
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AParcel* parcel = AParcel_create();
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binder_status_t status = AParcel_appendFrom(p.aParcel(), parcel, 0, data);
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AParcel_delete(parcel);
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FUZZ_LOG() << "appendFrom: " << status;
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},
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PARCEL_READ(int32_t, AParcel_readInt32),
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PARCEL_READ(uint32_t, AParcel_readUint32),
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PARCEL_READ(int64_t, AParcel_readInt64),
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PARCEL_READ(uint64_t, AParcel_readUint64),
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PARCEL_READ(float, AParcel_readFloat),
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PARCEL_READ(double, AParcel_readDouble),
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PARCEL_READ(bool, AParcel_readBool),
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PARCEL_READ(char16_t, AParcel_readChar),
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PARCEL_READ(int8_t, AParcel_readByte),
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// methods from binder_parcel_utils.h
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PARCEL_READ(ndk::SpAIBinder, ndk::AParcel_readNullableStrongBinder),
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PARCEL_READ(ndk::SpAIBinder, ndk::AParcel_readRequiredStrongBinder),
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PARCEL_READ(ndk::ScopedFileDescriptor, ndk::AParcel_readNullableParcelFileDescriptor),
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PARCEL_READ(ndk::ScopedFileDescriptor, ndk::AParcel_readRequiredParcelFileDescriptor),
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PARCEL_READ(std::string, ndk::AParcel_readString),
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PARCEL_READ(std::optional<std::string>, ndk::AParcel_readString),
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PARCEL_READ(std::vector<std::string>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<std::optional<std::string>>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<SomeParcelable>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<std::optional<SomeParcelable>>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<ndk::SpAIBinder>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<ndk::SpAIBinder>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<ndk::ScopedFileDescriptor>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<ndk::ScopedFileDescriptor>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<std::shared_ptr<ISomeInterface>>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<std::shared_ptr<ISomeInterface>>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<int32_t>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<int32_t>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<uint32_t>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<uint32_t>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<int64_t>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<int64_t>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<uint64_t>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<uint64_t>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<float>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<float>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<double>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<double>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<bool>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<bool>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<char16_t>, ndk::AParcel_readVector),
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PARCEL_READ(std::optional<std::vector<char16_t>>, ndk::AParcel_readVector),
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PARCEL_READ(std::vector<int32_t>, ndk::AParcel_resizeVector),
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PARCEL_READ(std::optional<std::vector<int32_t>>, ndk::AParcel_resizeVector),
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// methods for std::array<T,N>
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#define COMMA ,
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PARCEL_READ(std::array<bool COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<uint8_t COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<char16_t COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<int32_t COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<int64_t COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<float COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<double COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<std::string COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<SomeParcelable COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<ndk::SpAIBinder COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<ndk::ScopedFileDescriptor COMMA 3>, ndk::AParcel_readData),
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PARCEL_READ(std::array<std::shared_ptr<ISomeInterface> COMMA 3>, ndk::AParcel_readData),
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#undef COMMA
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};
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// clang-format on
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