1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agree to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdio.h> 18 19 #include <functional> 20 #include <string> 21 #include <vector> 22 23 #include <android-base/file.h> 24 #include <gtest/gtest.h> 25 #include <openssl/sha.h> 26 #include <ziparchive/zip_writer.h> 27 28 #include "common/test_constants.h" 29 #include "install/package.h" 30 31 class PackageTest : public ::testing::Test { 32 protected: 33 void SetUp() override; 34 35 // A list of package classes for test, including MemoryPackage and FilePackage. 36 std::vector<std::unique_ptr<Package>> packages_; 37 38 TemporaryFile temp_file_; // test package file. 39 std::string file_content_; // actual bytes of the package file. 40 }; 41 42 void PackageTest::SetUp() { 43 std::vector<std::string> entries = { "file1.txt", "file2.txt", "dir1/file3.txt" }; 44 FILE* file_ptr = fdopen(temp_file_.release(), "wb"); 45 ZipWriter writer(file_ptr); 46 for (const auto& entry : entries) { 47 ASSERT_EQ(0, writer.StartEntry(entry.c_str(), ZipWriter::kCompress)); 48 ASSERT_EQ(0, writer.WriteBytes(entry.c_str(), entry.size())); 49 ASSERT_EQ(0, writer.FinishEntry()); 50 } 51 writer.Finish(); 52 ASSERT_EQ(0, fclose(file_ptr)); 53 54 ASSERT_TRUE(android::base::ReadFileToString(temp_file_.path, &file_content_)); 55 auto memory_package = Package::CreateMemoryPackage(temp_file_.path, nullptr); 56 ASSERT_TRUE(memory_package); 57 packages_.emplace_back(std::move(memory_package)); 58 59 auto file_package = Package::CreateFilePackage(temp_file_.path, nullptr); 60 ASSERT_TRUE(file_package); 61 packages_.emplace_back(std::move(file_package)); 62 } 63 64 TEST_F(PackageTest, ReadFullyAtOffset_success) { 65 for (const auto& package : packages_) { 66 std::vector<uint8_t> buffer(file_content_.size()); 67 ASSERT_TRUE(package->ReadFullyAtOffset(buffer.data(), file_content_.size(), 0)); 68 ASSERT_EQ(file_content_, std::string(buffer.begin(), buffer.end())); 69 70 ASSERT_TRUE(package->ReadFullyAtOffset(buffer.data(), file_content_.size() - 10, 10)); 71 ASSERT_EQ(file_content_.substr(10), std::string(buffer.begin(), buffer.end() - 10)); 72 } 73 } 74 75 TEST_F(PackageTest, ReadFullyAtOffset_failure) { 76 for (const auto& package : packages_) { 77 std::vector<uint8_t> buffer(file_content_.size()); 78 // Out of bound read. 79 ASSERT_FALSE(package->ReadFullyAtOffset(buffer.data(), file_content_.size(), 10)); 80 } 81 } 82 83 TEST_F(PackageTest, UpdateHashAtOffset_sha1_hash) { 84 // Check that the hash matches for first half of the file. 85 uint64_t hash_size = file_content_.size() / 2; 86 std::vector<uint8_t> expected_sha(SHA_DIGEST_LENGTH); 87 SHA1(reinterpret_cast<uint8_t*>(file_content_.data()), hash_size, expected_sha.data()); 88 89 for (const auto& package : packages_) { 90 SHA_CTX ctx; 91 SHA1_Init(&ctx); 92 std::vector<HasherUpdateCallback> hashers{ std::bind(&SHA1_Update, &ctx, std::placeholders::_1, 93 std::placeholders::_2) }; 94 package->UpdateHashAtOffset(hashers, 0, hash_size); 95 96 std::vector<uint8_t> calculated_sha(SHA_DIGEST_LENGTH); 97 SHA1_Final(calculated_sha.data(), &ctx); 98 ASSERT_EQ(expected_sha, calculated_sha); 99 } 100 } 101 102 TEST_F(PackageTest, GetZipArchiveHandle_extract_entry) { 103 for (const auto& package : packages_) { 104 ZipArchiveHandle zip = package->GetZipArchiveHandle(); 105 ASSERT_TRUE(zip); 106 107 // Check that we can extract one zip entry. 108 std::string entry_name = "dir1/file3.txt"; 109 ZipString path(entry_name.c_str()); 110 ZipEntry entry; 111 ASSERT_EQ(0, FindEntry(zip, path, &entry)); 112 113 std::vector<uint8_t> extracted(entry_name.size()); 114 ASSERT_EQ(0, ExtractToMemory(zip, &entry, extracted.data(), extracted.size())); 115 ASSERT_EQ(entry_name, std::string(extracted.begin(), extracted.end())); 116 } 117 } 118
