blob: b473f26b2230d204be0761712c5be29bdf322692 [file] [log] [blame]
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android-base/file.h>
#include <cstdio> // fclose
#include <fstream>
#include <memory>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
#include "R.h"
#include "TestConstants.h"
#include "TestHelpers.h"
#include "android-base/macros.h"
#include "androidfw/ApkAssets.h"
#include "androidfw/ResourceUtils.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "idmap2/BinaryStreamVisitor.h"
#include "idmap2/CommandLineOptions.h"
#include "idmap2/Idmap.h"
#include "idmap2/LogInfo.h"
using ::testing::NotNull;
using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags;
namespace android::idmap2 {
#define ASSERT_TARGET_ENTRY(entry, target_resid, overlay_resid) \
ASSERT_EQ((entry).target_id, (target_resid)); \
ASSERT_EQ((entry).overlay_id, (overlay_resid))
#define ASSERT_TARGET_INLINE_ENTRY(entry, target_resid, ex_config, expected_type, expected_value) \
ASSERT_EQ((entry).target_id, target_resid); \
ASSERT_EQ((entry).values.begin()->first.to_string(), (ex_config)); \
ASSERT_EQ((entry).values.begin()->second.data_type, (expected_type)); \
ASSERT_EQ((entry).values.begin()->second.data_value, (expected_value))
#define ASSERT_OVERLAY_ENTRY(entry, overlay_resid, target_resid) \
ASSERT_EQ((entry).overlay_id, (overlay_resid)); \
ASSERT_EQ((entry).target_id, (target_resid))
TEST(IdmapTests, TestCanonicalIdmapPathFor) {
ASSERT_EQ(Idmap::CanonicalIdmapPathFor("/foo", "/vendor/overlay/bar.apk"),
"/foo/vendor@overlay@bar.apk@idmap");
}
TEST(IdmapTests, CreateIdmapHeaderFromBinaryStream) {
std::string raw(reinterpret_cast<const char*>(kIdmapRawData), kIdmapRawDataLen);
std::istringstream stream(raw);
std::unique_ptr<const IdmapHeader> header = IdmapHeader::FromBinaryStream(stream);
ASSERT_THAT(header, NotNull());
ASSERT_EQ(header->GetMagic(), 0x504d4449U);
ASSERT_EQ(header->GetVersion(), 0x09U);
ASSERT_EQ(header->GetTargetCrc(), 0x1234U);
ASSERT_EQ(header->GetOverlayCrc(), 0x5678U);
ASSERT_EQ(header->GetFulfilledPolicies(), 0x11);
ASSERT_EQ(header->GetEnforceOverlayable(), true);
ASSERT_EQ(header->GetTargetPath(), "targetX.apk");
ASSERT_EQ(header->GetOverlayPath(), "overlayX.apk");
ASSERT_EQ(header->GetDebugInfo(), "debug");
}
TEST(IdmapTests, IdmapFailParsingDifferentVersion) {
constexpr size_t kJunkSize = 2000;
std::stringstream stream;
stream << android::kIdmapMagic;
stream << 0xffffffffU;
stream << std::string(kJunkSize, static_cast<char>(0xffU));
ASSERT_FALSE(Idmap::FromBinaryStream(stream));
}
TEST(IdmapTests, IdmapFailParsingDifferentMagic) {
constexpr size_t kJunkSize = 2000;
std::stringstream stream;
stream << 0xffffffffU;
stream << android::kIdmapCurrentVersion;
stream << std::string(kJunkSize, static_cast<char>(0xffU));
ASSERT_FALSE(Idmap::FromBinaryStream(stream));
}
TEST(IdmapTests, CreateIdmapDataHeaderFromBinaryStream) {
const size_t offset = kIdmapRawDataOffset;
std::string raw(reinterpret_cast<const char*>(kIdmapRawData + offset), kIdmapRawDataLen - offset);
std::istringstream stream(raw);
std::unique_ptr<const IdmapData::Header> header = IdmapData::Header::FromBinaryStream(stream);
ASSERT_THAT(header, NotNull());
ASSERT_EQ(header->GetTargetEntryCount(), 0x03);
ASSERT_EQ(header->GetOverlayEntryCount(), 0x03);
}
TEST(IdmapTests, CreateIdmapDataFromBinaryStream) {
const size_t offset = kIdmapRawDataOffset;
std::string raw(reinterpret_cast<const char*>(kIdmapRawData + offset), kIdmapRawDataLen - offset);
std::istringstream stream(raw);
std::unique_ptr<const IdmapData> data = IdmapData::FromBinaryStream(stream);
ASSERT_THAT(data, NotNull());
const auto& target_entries = data->GetTargetEntries();
ASSERT_EQ(target_entries.size(), 3U);
ASSERT_TARGET_ENTRY(target_entries[0], 0x7f020000, 0x7f020000);
ASSERT_TARGET_ENTRY(target_entries[1], 0x7f030000, 0x7f030000);
ASSERT_TARGET_ENTRY(target_entries[2], 0x7f030002, 0x7f030001);
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 1U);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[0], 0x7f040000, "land-xxhdpi-v7",
Res_value::TYPE_INT_HEX, 0x12345678);
const auto& overlay_entries = data->GetOverlayEntries();
ASSERT_EQ(target_entries.size(), 3U);
ASSERT_OVERLAY_ENTRY(overlay_entries[0], 0x7f020000, 0x7f020000);
ASSERT_OVERLAY_ENTRY(overlay_entries[1], 0x7f030000, 0x7f030000);
ASSERT_OVERLAY_ENTRY(overlay_entries[2], 0x7f030001, 0x7f030002);
}
TEST(IdmapTests, CreateIdmapFromBinaryStream) {
std::string raw(reinterpret_cast<const char*>(kIdmapRawData), kIdmapRawDataLen);
std::istringstream stream(raw);
auto result = Idmap::FromBinaryStream(stream);
ASSERT_TRUE(result);
const auto idmap = std::move(*result);
ASSERT_THAT(idmap->GetHeader(), NotNull());
ASSERT_EQ(idmap->GetHeader()->GetMagic(), 0x504d4449U);
ASSERT_EQ(idmap->GetHeader()->GetVersion(), 0x09U);
ASSERT_EQ(idmap->GetHeader()->GetTargetCrc(), 0x1234U);
ASSERT_EQ(idmap->GetHeader()->GetOverlayCrc(), 0x5678U);
ASSERT_EQ(idmap->GetHeader()->GetFulfilledPolicies(), kIdmapRawDataPolicies);
ASSERT_EQ(idmap->GetHeader()->GetEnforceOverlayable(), true);
ASSERT_EQ(idmap->GetHeader()->GetTargetPath(), kIdmapRawTargetPath);
ASSERT_EQ(idmap->GetHeader()->GetOverlayPath(), kIdmapRawOverlayPath);
ASSERT_EQ(idmap->GetHeader()->GetOverlayName(), kIdmapRawOverlayName);
const std::vector<std::unique_ptr<const IdmapData>>& dataBlocks = idmap->GetData();
ASSERT_EQ(dataBlocks.size(), 1U);
const std::unique_ptr<const IdmapData>& data = dataBlocks[0];
ASSERT_THAT(data, NotNull());
const auto& target_entries = data->GetTargetEntries();
ASSERT_EQ(target_entries.size(), 3U);
ASSERT_TARGET_ENTRY(target_entries[0], 0x7f020000, 0x7f020000);
ASSERT_TARGET_ENTRY(target_entries[1], 0x7f030000, 0x7f030000);
ASSERT_TARGET_ENTRY(target_entries[2], 0x7f030002, 0x7f030001);
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 1U);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[0], 0x7f040000, "land-xxhdpi-v7",
Res_value::TYPE_INT_HEX, 0x12345678);
const auto& overlay_entries = data->GetOverlayEntries();
ASSERT_EQ(target_entries.size(), 3U);
ASSERT_OVERLAY_ENTRY(overlay_entries[0], 0x7f020000, 0x7f020000);
ASSERT_OVERLAY_ENTRY(overlay_entries[1], 0x7f030000, 0x7f030000);
ASSERT_OVERLAY_ENTRY(overlay_entries[2], 0x7f030001, 0x7f030002);
}
TEST(IdmapTests, GracefullyFailToCreateIdmapFromCorruptBinaryStream) {
std::string raw(reinterpret_cast<const char*>(kIdmapRawData),
10); // data too small
std::istringstream stream(raw);
const auto result = Idmap::FromBinaryStream(stream);
ASSERT_FALSE(result);
}
TEST(IdmapTests, CreateIdmapHeaderFromApkAssets) {
std::string target_apk_path = GetTestDataPath() + "/target/target.apk";
std::string overlay_apk_path = GetTestDataPath() + "/overlay/overlay.apk";
auto target = TargetResourceContainer::FromPath(target_apk_path);
ASSERT_TRUE(target);
auto overlay = OverlayResourceContainer::FromPath(overlay_apk_path);
ASSERT_TRUE(overlay);
auto idmap_result = Idmap::FromContainers(
**target, **overlay, TestConstants::OVERLAY_NAME_ALL_POLICIES, PolicyFlags::PUBLIC,
/* enforce_overlayable */ true);
ASSERT_TRUE(idmap_result) << idmap_result.GetErrorMessage();
auto& idmap = *idmap_result;
ASSERT_THAT(idmap, NotNull());
ASSERT_THAT(idmap->GetHeader(), NotNull());
ASSERT_EQ(idmap->GetHeader()->GetMagic(), 0x504d4449U);
ASSERT_EQ(idmap->GetHeader()->GetVersion(), 0x09U);
ASSERT_EQ(idmap->GetHeader()->GetTargetCrc(), android::idmap2::TestConstants::TARGET_CRC);
ASSERT_EQ(idmap->GetHeader()->GetOverlayCrc(), android::idmap2::TestConstants::OVERLAY_CRC);
ASSERT_EQ(idmap->GetHeader()->GetFulfilledPolicies(), PolicyFlags::PUBLIC);
ASSERT_EQ(idmap->GetHeader()->GetEnforceOverlayable(), true);
ASSERT_EQ(idmap->GetHeader()->GetTargetPath(), target_apk_path);
ASSERT_EQ(idmap->GetHeader()->GetOverlayPath(), overlay_apk_path);
ASSERT_EQ(idmap->GetHeader()->GetOverlayName(), TestConstants::OVERLAY_NAME_ALL_POLICIES);
}
TEST(IdmapTests, CreateIdmapDataFromApkAssets) {
std::string target_apk_path = GetTestDataPath() + "/target/target.apk";
std::string overlay_apk_path = GetTestDataPath() + "/overlay/overlay.apk";
auto target = TargetResourceContainer::FromPath(target_apk_path);
ASSERT_TRUE(target);
auto overlay = OverlayResourceContainer::FromPath(overlay_apk_path);
ASSERT_TRUE(overlay);
auto idmap_result = Idmap::FromContainers(
**target, **overlay, TestConstants::OVERLAY_NAME_DEFAULT, PolicyFlags::PUBLIC,
/* enforce_overlayable */ true);
ASSERT_TRUE(idmap_result) << idmap_result.GetErrorMessage();
auto& idmap = *idmap_result;
ASSERT_THAT(idmap, NotNull());
const std::vector<std::unique_ptr<const IdmapData>>& dataBlocks = idmap->GetData();
ASSERT_EQ(dataBlocks.size(), 1U);
const std::unique_ptr<const IdmapData>& data = dataBlocks[0];
ASSERT_THAT(data, NotNull());
const auto& target_entries = data->GetTargetEntries();
ASSERT_EQ(target_entries.size(), 4U);
ASSERT_TARGET_ENTRY(target_entries[0], R::target::integer::int1, R::overlay::integer::int1);
ASSERT_TARGET_ENTRY(target_entries[1], R::target::string::str1, R::overlay::string::str1);
ASSERT_TARGET_ENTRY(target_entries[2], R::target::string::str3, R::overlay::string::str3);
ASSERT_TARGET_ENTRY(target_entries[3], R::target::string::str4, R::overlay::string::str4);
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 0U);
const auto& overlay_entries = data->GetOverlayEntries();
ASSERT_EQ(target_entries.size(), 4U);
ASSERT_OVERLAY_ENTRY(overlay_entries[0], R::overlay::integer::int1, R::target::integer::int1);
ASSERT_OVERLAY_ENTRY(overlay_entries[1], R::overlay::string::str1, R::target::string::str1);
ASSERT_OVERLAY_ENTRY(overlay_entries[2], R::overlay::string::str3, R::target::string::str3);
ASSERT_OVERLAY_ENTRY(overlay_entries[3], R::overlay::string::str4, R::target::string::str4);
}
TEST(IdmapTests, FabricatedOverlay) {
std::string target_apk_path = GetTestDataPath() + "/target/target.apk";
auto target = TargetResourceContainer::FromPath(target_apk_path);
ASSERT_TRUE(target);
auto path = GetTestDataPath() + "/overlay/res/drawable/android.png";
auto fd = android::base::unique_fd(::open(path.c_str(), O_RDONLY | O_CLOEXEC));
ASSERT_TRUE(fd > 0) << "errno " << errno << " for path " << path;
auto frro = FabricatedOverlay::Builder("com.example.overlay", "SandTheme", "test.target")
.SetOverlayable("TestResources")
.SetResourceValue("integer/int1", Res_value::TYPE_INT_DEC, 2U, "land-xxhdpi-v7")
.SetResourceValue("string/str1", Res_value::TYPE_REFERENCE, 0x7f010000, "land")
.SetResourceValue("string/str2", Res_value::TYPE_STRING, "foobar", "xxhdpi-v7")
.SetResourceValue("drawable/dr1", fd, "port-xxhdpi-v7")
.setFrroPath("/foo/bar/biz.frro")
.Build();
ASSERT_TRUE(frro);
TemporaryFile tf;
std::ofstream out(tf.path);
ASSERT_TRUE((*frro).ToBinaryStream(out));
out.close();
auto overlay = OverlayResourceContainer::FromPath(tf.path);
ASSERT_TRUE(overlay);
auto idmap_result = Idmap::FromContainers(**target, **overlay, "SandTheme", PolicyFlags::PUBLIC,
/* enforce_overlayable */ true);
ASSERT_TRUE(idmap_result) << idmap_result.GetErrorMessage();
auto& idmap = *idmap_result;
ASSERT_THAT(idmap, NotNull());
const std::vector<std::unique_ptr<const IdmapData>>& dataBlocks = idmap->GetData();
ASSERT_EQ(dataBlocks.size(), 1U);
const std::unique_ptr<const IdmapData>& data = dataBlocks[0];
ASSERT_THAT(data, NotNull());
ASSERT_EQ(data->GetTargetEntries().size(), 0U);
ASSERT_EQ(data->GetOverlayEntries().size(), 0U);
auto string_pool_data = data->GetStringPoolData();
auto string_pool = ResStringPool(string_pool_data.data(), string_pool_data.size(), false);
std::u16string expected_uri = u"frro://foo/bar/biz.frro?offset=16&size=8341";
uint32_t uri_index
= string_pool.indexOfString(expected_uri.data(), expected_uri.length()).value_or(-1);
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 4U);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[0], R::target::drawable::dr1, "port-xxhdpi-v7",
Res_value::TYPE_STRING, uri_index);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[1], R::target::integer::int1, "land-xxhdpi-v7",
Res_value::TYPE_INT_DEC, 2U);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[2], R::target::string::str1, "land",
Res_value::TYPE_REFERENCE, 0x7f010000);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[3], R::target::string::str2, "xxhdpi-v7",
Res_value::TYPE_STRING,
(uint32_t) (string_pool.indexOfString(u"foobar", 6)).value_or(-1));
}
TEST(IdmapTests, FailCreateIdmapInvalidName) {
std::string target_apk_path = GetTestDataPath() + "/target/target.apk";
std::string overlay_apk_path = GetTestDataPath() + "/overlay/overlay.apk";
auto target = TargetResourceContainer::FromPath(target_apk_path);
ASSERT_TRUE(target);
auto overlay = OverlayResourceContainer::FromPath(overlay_apk_path);
ASSERT_TRUE(overlay);
{
auto idmap_result = Idmap::FromContainers(**target, **overlay, "", PolicyFlags::PUBLIC,
/* enforce_overlayable */ true);
ASSERT_FALSE(idmap_result);
}
{
auto idmap_result = Idmap::FromContainers(**target, **overlay, "unknown", PolicyFlags::PUBLIC,
/* enforce_overlayable */ true);
ASSERT_FALSE(idmap_result);
}
}
TEST(IdmapTests, CreateIdmapDataFromApkAssetsSharedLibOverlay) {
std::string target_apk_path = GetTestDataPath() + "/target/target.apk";
std::string overlay_apk_path = GetTestDataPath() + "/overlay/overlay-shared.apk";
auto target = TargetResourceContainer::FromPath(target_apk_path);
ASSERT_TRUE(target);
auto overlay = OverlayResourceContainer::FromPath(overlay_apk_path);
ASSERT_TRUE(overlay);
auto idmap_result = Idmap::FromContainers(
**target, **overlay, TestConstants::OVERLAY_NAME_DEFAULT, PolicyFlags::PUBLIC,
/* enforce_overlayable */ true);
ASSERT_TRUE(idmap_result) << idmap_result.GetErrorMessage();
auto& idmap = *idmap_result;
ASSERT_THAT(idmap, NotNull());
const std::vector<std::unique_ptr<const IdmapData>>& dataBlocks = idmap->GetData();
ASSERT_EQ(dataBlocks.size(), 1U);
const std::unique_ptr<const IdmapData>& data = dataBlocks[0];
ASSERT_THAT(data, NotNull());
const auto& target_entries = data->GetTargetEntries();
ASSERT_EQ(target_entries.size(), 4U);
ASSERT_TARGET_ENTRY(target_entries[0], R::target::integer::int1,
fix_package_id(R::overlay::integer::int1, 0));
ASSERT_TARGET_ENTRY(target_entries[1], R::target::string::str1,
fix_package_id(R::overlay::string::str1, 0));
ASSERT_TARGET_ENTRY(target_entries[2], R::target::string::str3,
fix_package_id(R::overlay::string::str3, 0));
ASSERT_TARGET_ENTRY(target_entries[3], R::target::string::str4,
fix_package_id(R::overlay::string::str4, 0));
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 0U);
const auto& overlay_entries = data->GetOverlayEntries();
ASSERT_EQ(target_entries.size(), 4U);
ASSERT_OVERLAY_ENTRY(overlay_entries[0], fix_package_id(R::overlay::integer::int1, 0),
R::target::integer::int1);
ASSERT_OVERLAY_ENTRY(overlay_entries[1], fix_package_id(R::overlay::string::str1, 0),
R::target::string::str1);
ASSERT_OVERLAY_ENTRY(overlay_entries[2], fix_package_id(R::overlay::string::str3, 0),
R::target::string::str3);
ASSERT_OVERLAY_ENTRY(overlay_entries[3], fix_package_id(R::overlay::string::str4, 0),
R::target::string::str4);
}
Result<std::unique_ptr<const IdmapData>> TestIdmapDataFromApkAssets(
const std::string& local_target_path, const std::string& local_overlay_path,
const std::string& overlay_name, const PolicyBitmask& fulfilled_policies,
bool enforce_overlayable) {
const std::string target_path(GetTestDataPath() + local_target_path);
auto target = TargetResourceContainer::FromPath(target_path);
if (!target) {
return Error(R"(Failed to load target "%s")", target_path.c_str());
}
const std::string overlay_path(GetTestDataPath() + local_overlay_path);
auto overlay = OverlayResourceContainer::FromPath(overlay_path);
if (!overlay) {
return Error(R"(Failed to load overlay "%s")", overlay_path.c_str());
}
auto overlay_info = (*overlay)->FindOverlayInfo(overlay_name);
if (!overlay_info) {
return Error(R"(Failed to find overlay name "%s")", overlay_name.c_str());
}
LogInfo log_info;
auto mapping = ResourceMapping::FromContainers(**target, **overlay, *overlay_info,
fulfilled_policies, enforce_overlayable, log_info);
if (!mapping) {
return mapping.GetError();
}
return IdmapData::FromResourceMapping(*mapping);
}
TEST(IdmapTests, CreateIdmapDataDoNotRewriteNonOverlayResourceId) {
auto idmap_data = TestIdmapDataFromApkAssets("/target/target.apk", "/overlay/overlay.apk",
"DifferentPackages", PolicyFlags::PUBLIC,
/* enforce_overlayable */ false);
ASSERT_TRUE(idmap_data) << idmap_data.GetErrorMessage();
auto& data = *idmap_data;
const auto& target_entries = data->GetTargetEntries();
ASSERT_EQ(target_entries.size(), 2U);
ASSERT_TARGET_ENTRY(target_entries[0], R::target::string::str1,
0x0104000a); // -> android:string/ok
ASSERT_TARGET_ENTRY(target_entries[1], R::target::string::str3, R::overlay::string::str3);
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 0U);
const auto& overlay_entries = data->GetOverlayEntries();
ASSERT_EQ(overlay_entries.size(), 1U);
ASSERT_OVERLAY_ENTRY(overlay_entries[0], R::overlay::string::str3, R::target::string::str3);
}
TEST(IdmapTests, CreateIdmapDataInlineResources) {
auto idmap_data = TestIdmapDataFromApkAssets("/target/target.apk", "/overlay/overlay.apk",
"Inline", PolicyFlags::PUBLIC,
/* enforce_overlayable */ false);
ASSERT_TRUE(idmap_data) << idmap_data.GetErrorMessage();
auto& data = *idmap_data;
const auto& target_entries = data->GetTargetEntries();
ASSERT_EQ(target_entries.size(), 0U);
constexpr size_t overlay_string_pool_size = 10U;
const auto& target_inline_entries = data->GetTargetInlineEntries();
ASSERT_EQ(target_inline_entries.size(), 2U);
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[0], R::target::integer::int1, std::string(),
Res_value::TYPE_INT_DEC, 73U); // -> 73
ASSERT_TARGET_INLINE_ENTRY(target_inline_entries[1], R::target::string::str1, std::string(),
Res_value::TYPE_STRING,
overlay_string_pool_size + 0U); // -> "Hello World"
const auto& overlay_entries = data->GetOverlayEntries();
ASSERT_EQ(overlay_entries.size(), 0U);
}
TEST(IdmapTests, IdmapHeaderIsUpToDate) {
fclose(stderr); // silence expected warnings from libandroidfw
const std::string target_apk_path = kIdmapRawTargetPath;
const std::string overlay_apk_path = kIdmapRawOverlayPath;
const std::string overlay_name = kIdmapRawOverlayName;
const PolicyBitmask policies = kIdmapRawDataPolicies;
const uint32_t target_crc = kIdmapRawDataTargetCrc;
const uint32_t overlay_crc = kIdmapRawOverlayCrc;
std::string raw(reinterpret_cast<const char*>(kIdmapRawData), kIdmapRawDataLen);
std::istringstream raw_stream(raw);
auto result = Idmap::FromBinaryStream(raw_stream);
ASSERT_TRUE(result);
const auto idmap = std::move(*result);
std::stringstream stream;
BinaryStreamVisitor visitor(stream);
idmap->accept(&visitor);
std::unique_ptr<const IdmapHeader> header = IdmapHeader::FromBinaryStream(stream);
ASSERT_THAT(header, NotNull());
ASSERT_TRUE(header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
kIdmapRawDataTargetCrc, overlay_crc, policies,
/* enforce_overlayable */ true));
// magic: bytes (0x0, 0x03)
std::string bad_magic_string(stream.str());
bad_magic_string[0x0] = '.';
bad_magic_string[0x1] = '.';
bad_magic_string[0x2] = '.';
bad_magic_string[0x3] = '.';
std::stringstream bad_magic_stream(bad_magic_string);
std::unique_ptr<const IdmapHeader> bad_magic_header =
IdmapHeader::FromBinaryStream(bad_magic_stream);
ASSERT_EQ(nullptr, bad_magic_header);
// version: bytes (0x4, 0x07)
std::string bad_version_string(stream.str());
bad_version_string[0x4] = '.';
bad_version_string[0x5] = '.';
bad_version_string[0x6] = '.';
bad_version_string[0x7] = '.';
std::stringstream bad_version_stream(bad_version_string);
std::unique_ptr<const IdmapHeader> bad_version_header =
IdmapHeader::FromBinaryStream(bad_version_stream);
ASSERT_EQ(nullptr, bad_version_header);
// target crc: bytes (0x8, 0xb)
std::string bad_target_crc_string(stream.str());
bad_target_crc_string[0x8] = '.';
bad_target_crc_string[0x9] = '.';
bad_target_crc_string[0xa] = '.';
bad_target_crc_string[0xb] = '.';
std::stringstream bad_target_crc_stream(bad_target_crc_string);
std::unique_ptr<const IdmapHeader> bad_target_crc_header =
IdmapHeader::FromBinaryStream(bad_target_crc_stream);
ASSERT_THAT(bad_target_crc_header, NotNull());
ASSERT_NE(header->GetTargetCrc(), bad_target_crc_header->GetTargetCrc());
ASSERT_FALSE(bad_target_crc_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
// overlay crc: bytes (0xc, 0xf)
std::string bad_overlay_crc_string(stream.str());
bad_overlay_crc_string[0xc] = '.';
bad_overlay_crc_string[0xd] = '.';
bad_overlay_crc_string[0xe] = '.';
bad_overlay_crc_string[0xf] = '.';
std::stringstream bad_overlay_crc_stream(bad_overlay_crc_string);
std::unique_ptr<const IdmapHeader> bad_overlay_crc_header =
IdmapHeader::FromBinaryStream(bad_overlay_crc_stream);
ASSERT_THAT(bad_overlay_crc_header, NotNull());
ASSERT_NE(header->GetOverlayCrc(), bad_overlay_crc_header->GetOverlayCrc());
ASSERT_FALSE(bad_overlay_crc_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
// fulfilled policy: bytes (0x10, 0x13)
std::string bad_policy_string(stream.str());
bad_policy_string[0x10] = '.';
bad_policy_string[0x11] = '.';
bad_policy_string[0x12] = '.';
bad_policy_string[0x13] = '.';
std::stringstream bad_policy_stream(bad_policy_string);
std::unique_ptr<const IdmapHeader> bad_policy_header =
IdmapHeader::FromBinaryStream(bad_policy_stream);
ASSERT_THAT(bad_policy_header, NotNull());
ASSERT_NE(header->GetFulfilledPolicies(), bad_policy_header->GetFulfilledPolicies());
ASSERT_FALSE(bad_policy_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
// enforce overlayable: bytes (0x14)
std::string bad_enforce_string(stream.str());
bad_enforce_string[0x14] = '\0';
std::stringstream bad_enforce_stream(bad_enforce_string);
std::unique_ptr<const IdmapHeader> bad_enforce_header =
IdmapHeader::FromBinaryStream(bad_enforce_stream);
ASSERT_THAT(bad_enforce_header, NotNull());
ASSERT_NE(header->GetEnforceOverlayable(), bad_enforce_header->GetEnforceOverlayable());
ASSERT_FALSE(bad_enforce_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
// target path: bytes (0x1c, 0x27)
std::string bad_target_path_string(stream.str());
bad_target_path_string[0x1c] = '\0';
std::stringstream bad_target_path_stream(bad_target_path_string);
std::unique_ptr<const IdmapHeader> bad_target_path_header =
IdmapHeader::FromBinaryStream(bad_target_path_stream);
ASSERT_THAT(bad_target_path_header, NotNull());
ASSERT_NE(header->GetTargetPath(), bad_target_path_header->GetTargetPath());
ASSERT_FALSE(bad_target_path_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
// overlay path: bytes (0x2c, 0x37)
std::string bad_overlay_path_string(stream.str());
bad_overlay_path_string[0x33] = '\0';
std::stringstream bad_overlay_path_stream(bad_overlay_path_string);
std::unique_ptr<const IdmapHeader> bad_overlay_path_header =
IdmapHeader::FromBinaryStream(bad_overlay_path_stream);
ASSERT_THAT(bad_overlay_path_header, NotNull());
ASSERT_NE(header->GetOverlayPath(), bad_overlay_path_header->GetOverlayPath());
ASSERT_FALSE(bad_overlay_path_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
// overlay name: bytes (0x3c, 0x47)
std::string bad_overlay_name_string(stream.str());
bad_overlay_name_string[0x3c] = '\0';
std::stringstream bad_overlay_name_stream(bad_overlay_name_string);
std::unique_ptr<const IdmapHeader> bad_overlay_name_header =
IdmapHeader::FromBinaryStream(bad_overlay_name_stream);
ASSERT_THAT(bad_overlay_name_header, NotNull());
ASSERT_NE(header->GetOverlayName(), bad_overlay_name_header->GetOverlayName());
ASSERT_FALSE(bad_overlay_name_header->IsUpToDate(target_apk_path, overlay_apk_path, overlay_name,
target_crc, overlay_crc, policies,
/* enforce_overlayable */ true));
}
class TestVisitor : public Visitor {
public:
explicit TestVisitor(std::ostream& stream) : stream_(stream) {
}
void visit(const Idmap& idmap ATTRIBUTE_UNUSED) override {
stream_ << "TestVisitor::visit(Idmap)" << std::endl;
}
void visit(const IdmapHeader& idmap ATTRIBUTE_UNUSED) override {
stream_ << "TestVisitor::visit(IdmapHeader)" << std::endl;
}
void visit(const IdmapData& idmap ATTRIBUTE_UNUSED) override {
stream_ << "TestVisitor::visit(IdmapData)" << std::endl;
}
void visit(const IdmapData::Header& idmap ATTRIBUTE_UNUSED) override {
stream_ << "TestVisitor::visit(IdmapData::Header)" << std::endl;
}
private:
std::ostream& stream_;
};
TEST(IdmapTests, TestVisitor) {
std::string raw(reinterpret_cast<const char*>(kIdmapRawData), kIdmapRawDataLen);
std::istringstream stream(raw);
const auto idmap = Idmap::FromBinaryStream(stream);
ASSERT_TRUE(idmap);
std::stringstream test_stream;
TestVisitor visitor(test_stream);
(*idmap)->accept(&visitor);
ASSERT_EQ(test_stream.str(),
"TestVisitor::visit(IdmapHeader)\n"
"TestVisitor::visit(Idmap)\n"
"TestVisitor::visit(IdmapData::Header)\n"
"TestVisitor::visit(IdmapData)\n");
}
} // namespace android::idmap2