8dd44e907a
There're two types of targets in applypatch: regular files and EMMC targets. We have two sets of functions to handle them respectively. This CL adds testcases to use "EMMC:filename:size:sha1" as the target name, which triggers the code path for patching EMMC targets. Bug: 33034669 Test: recovery_component_test passes. Change-Id: I8f10c6c8d2c1fb083f06a83de91d9e23cb41fb6d
567 lines
19 KiB
C++
567 lines
19 KiB
C++
/*
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* Copyright (C) 2016 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 agree 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 <fcntl.h>
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#include <gtest/gtest.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/types.h>
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#include <time.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include <android-base/file.h>
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#include <android-base/stringprintf.h>
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#include <android-base/test_utils.h>
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#include <openssl/sha.h>
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#include "applypatch/applypatch.h"
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#include "applypatch/applypatch_modes.h"
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#include "common/test_constants.h"
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#include "print_sha1.h"
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static void sha1sum(const std::string& fname, std::string* sha1, size_t* fsize = nullptr) {
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ASSERT_NE(nullptr, sha1);
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std::string data;
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ASSERT_TRUE(android::base::ReadFileToString(fname, &data));
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if (fsize != nullptr) {
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*fsize = data.size();
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}
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uint8_t digest[SHA_DIGEST_LENGTH];
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SHA1(reinterpret_cast<const uint8_t*>(data.c_str()), data.size(), digest);
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*sha1 = print_sha1(digest);
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}
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static void mangle_file(const std::string& fname) {
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std::string content;
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content.reserve(1024);
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for (size_t i = 0; i < 1024; i++) {
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content[i] = rand() % 256;
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}
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ASSERT_TRUE(android::base::WriteStringToFile(content, fname));
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}
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static bool file_cmp(const std::string& f1, const std::string& f2) {
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std::string c1;
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android::base::ReadFileToString(f1, &c1);
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std::string c2;
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android::base::ReadFileToString(f2, &c2);
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return c1 == c2;
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}
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class ApplyPatchTest : public ::testing::Test {
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public:
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static void SetUpTestCase() {
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// set up files
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old_file = from_testdata_base("old.file");
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new_file = from_testdata_base("new.file");
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patch_file = from_testdata_base("patch.bsdiff");
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rand_file = "/cache/applypatch_test_rand.file";
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cache_file = "/cache/saved.file";
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// write stuff to rand_file
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ASSERT_TRUE(android::base::WriteStringToFile("hello", rand_file));
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// set up SHA constants
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sha1sum(old_file, &old_sha1, &old_size);
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sha1sum(new_file, &new_sha1, &new_size);
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srand(time(nullptr));
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bad_sha1_a = android::base::StringPrintf("%040x", rand());
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bad_sha1_b = android::base::StringPrintf("%040x", rand());
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}
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static std::string old_file;
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static std::string new_file;
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static std::string rand_file;
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static std::string cache_file;
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static std::string patch_file;
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static std::string old_sha1;
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static std::string new_sha1;
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static std::string bad_sha1_a;
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static std::string bad_sha1_b;
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static size_t old_size;
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static size_t new_size;
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};
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std::string ApplyPatchTest::old_file;
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std::string ApplyPatchTest::new_file;
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static void cp(const std::string& src, const std::string& tgt) {
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std::string cmd = "cp " + src + " " + tgt;
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system(cmd.c_str());
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}
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static void backup_old() {
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cp(ApplyPatchTest::old_file, ApplyPatchTest::cache_file);
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}
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static void restore_old() {
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cp(ApplyPatchTest::cache_file, ApplyPatchTest::old_file);
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}
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class ApplyPatchCacheTest : public ApplyPatchTest {
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public:
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virtual void SetUp() {
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backup_old();
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}
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virtual void TearDown() {
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restore_old();
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}
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};
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class ApplyPatchFullTest : public ApplyPatchCacheTest {
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public:
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static void SetUpTestCase() {
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ApplyPatchTest::SetUpTestCase();
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output_f = new TemporaryFile();
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output_loc = std::string(output_f->path);
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struct FileContents fc;
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ASSERT_EQ(0, LoadFileContents(&rand_file[0], &fc));
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patches.push_back(
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std::make_unique<Value>(VAL_BLOB, std::string(fc.data.begin(), fc.data.end())));
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ASSERT_EQ(0, LoadFileContents(&patch_file[0], &fc));
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patches.push_back(
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std::make_unique<Value>(VAL_BLOB, std::string(fc.data.begin(), fc.data.end())));
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}
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static void TearDownTestCase() {
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delete output_f;
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patches.clear();
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}
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static std::vector<std::unique_ptr<Value>> patches;
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static TemporaryFile* output_f;
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static std::string output_loc;
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};
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class ApplyPatchDoubleCacheTest : public ApplyPatchFullTest {
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public:
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virtual void SetUp() {
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ApplyPatchCacheTest::SetUp();
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cp(cache_file, "/cache/reallysaved.file");
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}
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virtual void TearDown() {
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cp("/cache/reallysaved.file", cache_file);
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ApplyPatchCacheTest::TearDown();
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}
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};
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std::string ApplyPatchTest::rand_file;
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std::string ApplyPatchTest::patch_file;
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std::string ApplyPatchTest::cache_file;
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std::string ApplyPatchTest::old_sha1;
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std::string ApplyPatchTest::new_sha1;
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std::string ApplyPatchTest::bad_sha1_a;
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std::string ApplyPatchTest::bad_sha1_b;
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size_t ApplyPatchTest::old_size;
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size_t ApplyPatchTest::new_size;
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std::vector<std::unique_ptr<Value>> ApplyPatchFullTest::patches;
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TemporaryFile* ApplyPatchFullTest::output_f;
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std::string ApplyPatchFullTest::output_loc;
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TEST_F(ApplyPatchTest, CheckModeSkip) {
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std::vector<std::string> sha1s;
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchTest, CheckModeSingle) {
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std::vector<std::string> sha1s = { old_sha1 };
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchTest, CheckModeMultiple) {
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1, bad_sha1_b };
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchTest, CheckModeFailure) {
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std::vector<std::string> sha1s = { bad_sha1_a, bad_sha1_b };
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ASSERT_NE(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchTest, CheckModeEmmcTarget) {
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// EMMC:old_file:size:sha1 should pass the check.
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std::string src_file =
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"EMMC:" + old_file + ":" + std::to_string(old_size) + ":" + old_sha1;
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std::vector<std::string> sha1s;
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ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
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// EMMC:old_file:(size-1):sha1:(size+1):sha1 should fail the check.
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src_file = "EMMC:" + old_file + ":" + std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
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std::to_string(old_size + 1) + ":" + old_sha1;
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ASSERT_EQ(1, applypatch_check(src_file.c_str(), sha1s));
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// EMMC:old_file:(size-1):sha1:size:sha1:(size+1):sha1 should pass the check.
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src_file = "EMMC:" + old_file + ":" +
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std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
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std::to_string(old_size) + ":" + old_sha1 + ":" +
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std::to_string(old_size + 1) + ":" + old_sha1;
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ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
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// EMMC:old_file:(size+1):sha1:(size-1):sha1:size:sha1 should pass the check.
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src_file = "EMMC:" + old_file + ":" +
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std::to_string(old_size + 1) + ":" + old_sha1 + ":" +
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std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
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std::to_string(old_size) + ":" + old_sha1;
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ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
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// EMMC:new_file:(size+1):old_sha1:(size-1):old_sha1:size:old_sha1:size:new_sha1
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// should pass the check.
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src_file = "EMMC:" + new_file + ":" +
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std::to_string(old_size + 1) + ":" + old_sha1 + ":" +
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std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
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std::to_string(old_size) + ":" + old_sha1 + ":" +
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std::to_string(new_size) + ":" + new_sha1;
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ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
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}
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TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSingle) {
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mangle_file(old_file);
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std::vector<std::string> sha1s = { old_sha1 };
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedMultiple) {
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mangle_file(old_file);
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1, bad_sha1_b };
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedFailure) {
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mangle_file(old_file);
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std::vector<std::string> sha1s = { bad_sha1_a, bad_sha1_b };
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ASSERT_NE(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchCacheTest, CheckCacheMissingSingle) {
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unlink(&old_file[0]);
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std::vector<std::string> sha1s = { old_sha1 };
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchCacheTest, CheckCacheMissingMultiple) {
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unlink(&old_file[0]);
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1, bad_sha1_b };
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ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchCacheTest, CheckCacheMissingFailure) {
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unlink(&old_file[0]);
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std::vector<std::string> sha1s = { bad_sha1_a, bad_sha1_b };
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ASSERT_NE(0, applypatch_check(&old_file[0], sha1s));
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}
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TEST_F(ApplyPatchFullTest, ApplyInPlace) {
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1 };
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ASSERT_EQ(0, applypatch(&old_file[0], "-", &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_TRUE(file_cmp(old_file, new_file));
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// reapply, applypatch is idempotent so it should succeed
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ASSERT_EQ(0, applypatch(&old_file[0], "-", &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_TRUE(file_cmp(old_file, new_file));
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}
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TEST_F(ApplyPatchFullTest, ApplyInNewLocation) {
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1 };
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// Apply bsdiff patch to new location.
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ASSERT_EQ(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_TRUE(file_cmp(output_loc, new_file));
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// Reapply to the same location.
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ASSERT_EQ(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_TRUE(file_cmp(output_loc, new_file));
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}
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TEST_F(ApplyPatchFullTest, ApplyCorruptedInNewLocation) {
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1 };
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// Apply bsdiff patch to new location with corrupted source.
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mangle_file(old_file);
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ASSERT_EQ(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_TRUE(file_cmp(output_loc, new_file));
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// Reapply bsdiff patch to new location with corrupted source.
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ASSERT_EQ(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_TRUE(file_cmp(output_loc, new_file));
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}
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TEST_F(ApplyPatchDoubleCacheTest, ApplyDoubleCorruptedInNewLocation) {
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std::vector<std::string> sha1s = { bad_sha1_a, old_sha1 };
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// Apply bsdiff patch to new location with corrupted source and copy (no new file).
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// Expected to fail.
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mangle_file(old_file);
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mangle_file(cache_file);
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ASSERT_NE(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_FALSE(file_cmp(output_loc, new_file));
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// Expected to fail again on retry.
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ASSERT_NE(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_FALSE(file_cmp(output_loc, new_file));
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// Expected to fail with incorrect new file.
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mangle_file(output_loc);
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ASSERT_NE(
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0, applypatch(&old_file[0], &output_loc[0], &new_sha1[0], new_size, sha1s, patches, nullptr));
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ASSERT_FALSE(file_cmp(output_loc, new_file));
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}
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TEST(ApplyPatchModesTest, InvalidArgs) {
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// At least two args (including the filename).
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ASSERT_EQ(2, applypatch_modes(1, (const char* []){ "applypatch" }));
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// Unrecognized args.
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ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-x" }));
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}
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TEST(ApplyPatchModesTest, PatchMode) {
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std::string boot_img = from_testdata_base("boot.img");
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size_t boot_img_size;
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std::string boot_img_sha1;
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sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
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std::string recovery_img = from_testdata_base("recovery.img");
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std::string recovery_img_sha1;
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size_t size;
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sha1sum(recovery_img, &recovery_img_sha1, &size);
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std::string recovery_img_size = std::to_string(size);
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std::string bonus_file = from_testdata_base("bonus.file");
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// applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
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TemporaryFile tmp1;
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std::string patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
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std::vector<const char*> args = {
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"applypatch",
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"-b",
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bonus_file.c_str(),
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boot_img.c_str(),
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tmp1.path,
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recovery_img_sha1.c_str(),
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recovery_img_size.c_str(),
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patch.c_str()
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};
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ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
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// applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
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TemporaryFile tmp2;
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patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
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std::vector<const char*> args2 = {
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"applypatch",
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boot_img.c_str(),
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tmp2.path,
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recovery_img_sha1.c_str(),
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recovery_img_size.c_str(),
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patch.c_str()
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};
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ASSERT_EQ(0, applypatch_modes(args2.size(), args2.data()));
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// applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> \
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// <src-sha1-fake>:<patch1> <src-sha1>:<patch2>
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TemporaryFile tmp3;
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std::string bad_sha1_a = android::base::StringPrintf("%040x", rand());
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std::string bad_sha1_b = android::base::StringPrintf("%040x", rand());
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std::string patch1 = bad_sha1_a + ":" + from_testdata_base("recovery-from-boot.p");
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std::string patch2 = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
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std::string patch3 = bad_sha1_b + ":" + from_testdata_base("recovery-from-boot.p");
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std::vector<const char*> args3 = {
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"applypatch",
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"-b",
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bonus_file.c_str(),
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boot_img.c_str(),
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tmp3.path,
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recovery_img_sha1.c_str(),
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recovery_img_size.c_str(),
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patch1.c_str(),
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patch2.c_str(),
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patch3.c_str()
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};
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ASSERT_EQ(0, applypatch_modes(args3.size(), args3.data()));
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}
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TEST(ApplyPatchModesTest, PatchModeEmmcTarget) {
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std::string boot_img = from_testdata_base("boot.img");
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size_t boot_img_size;
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std::string boot_img_sha1;
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sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
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std::string recovery_img = from_testdata_base("recovery.img");
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size_t size;
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std::string recovery_img_sha1;
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sha1sum(recovery_img, &recovery_img_sha1, &size);
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std::string recovery_img_size = std::to_string(size);
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std::string bonus_file = from_testdata_base("bonus.file");
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// applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
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TemporaryFile tmp1;
|
|
std::string src_file =
|
|
"EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
|
|
std::string tgt_file = "EMMC:" + std::string(tmp1.path);
|
|
std::string patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
|
|
std::vector<const char*> args = {
|
|
"applypatch",
|
|
"-b",
|
|
bonus_file.c_str(),
|
|
src_file.c_str(),
|
|
tgt_file.c_str(),
|
|
recovery_img_sha1.c_str(),
|
|
recovery_img_size.c_str(),
|
|
patch.c_str()
|
|
};
|
|
ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
|
|
|
|
// applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
|
|
TemporaryFile tmp2;
|
|
patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
|
|
tgt_file = "EMMC:" + std::string(tmp2.path);
|
|
std::vector<const char*> args2 = {
|
|
"applypatch",
|
|
src_file.c_str(),
|
|
tgt_file.c_str(),
|
|
recovery_img_sha1.c_str(),
|
|
recovery_img_size.c_str(),
|
|
patch.c_str()
|
|
};
|
|
ASSERT_EQ(0, applypatch_modes(args2.size(), args2.data()));
|
|
|
|
// applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> \
|
|
// <src-sha1-fake>:<patch1> <src-sha1>:<patch2>
|
|
TemporaryFile tmp3;
|
|
tgt_file = "EMMC:" + std::string(tmp3.path);
|
|
std::string bad_sha1_a = android::base::StringPrintf("%040x", rand());
|
|
std::string bad_sha1_b = android::base::StringPrintf("%040x", rand());
|
|
std::string patch1 = bad_sha1_a + ":" + from_testdata_base("recovery-from-boot.p");
|
|
std::string patch2 = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
|
|
std::string patch3 = bad_sha1_b + ":" + from_testdata_base("recovery-from-boot.p");
|
|
std::vector<const char*> args3 = {
|
|
"applypatch",
|
|
"-b",
|
|
bonus_file.c_str(),
|
|
src_file.c_str(),
|
|
tgt_file.c_str(),
|
|
recovery_img_sha1.c_str(),
|
|
recovery_img_size.c_str(),
|
|
patch1.c_str(),
|
|
patch2.c_str(),
|
|
patch3.c_str()
|
|
};
|
|
ASSERT_EQ(0, applypatch_modes(args3.size(), args3.data()));
|
|
}
|
|
|
|
TEST(ApplyPatchModesTest, PatchModeInvalidArgs) {
|
|
// Invalid bonus file.
|
|
ASSERT_NE(0, applypatch_modes(3, (const char* []){ "applypatch", "-b", "/doesntexist" }));
|
|
|
|
std::string bonus_file = from_testdata_base("bonus.file");
|
|
// With bonus file, but missing args.
|
|
ASSERT_EQ(2, applypatch_modes(3, (const char* []){ "applypatch", "-b", bonus_file.c_str() }));
|
|
|
|
std::string boot_img = from_testdata_base("boot.img");
|
|
size_t boot_img_size;
|
|
std::string boot_img_sha1;
|
|
sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
|
|
|
|
std::string recovery_img = from_testdata_base("recovery.img");
|
|
size_t size;
|
|
std::string recovery_img_sha1;
|
|
sha1sum(recovery_img, &recovery_img_sha1, &size);
|
|
std::string recovery_img_size = std::to_string(size);
|
|
|
|
// Bonus file is not supported in flash mode.
|
|
// applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size>
|
|
TemporaryFile tmp4;
|
|
std::vector<const char*> args4 = {
|
|
"applypatch",
|
|
"-b",
|
|
bonus_file.c_str(),
|
|
boot_img.c_str(),
|
|
tmp4.path,
|
|
recovery_img_sha1.c_str(),
|
|
recovery_img_size.c_str()
|
|
};
|
|
ASSERT_NE(0, applypatch_modes(args4.size(), args4.data()));
|
|
|
|
// Failed to parse patch args.
|
|
TemporaryFile tmp5;
|
|
std::string bad_arg1 =
|
|
"invalid-sha1:filename" + from_testdata_base("recovery-from-boot-with-bonus.p");
|
|
std::vector<const char*> args5 = {
|
|
"applypatch",
|
|
boot_img.c_str(),
|
|
tmp5.path,
|
|
recovery_img_sha1.c_str(),
|
|
recovery_img_size.c_str(),
|
|
bad_arg1.c_str()
|
|
};
|
|
ASSERT_NE(0, applypatch_modes(args5.size(), args5.data()));
|
|
|
|
// Target size cannot be zero.
|
|
TemporaryFile tmp6;
|
|
std::string patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
|
|
std::vector<const char*> args6 = {
|
|
"applypatch",
|
|
boot_img.c_str(),
|
|
tmp6.path,
|
|
recovery_img_sha1.c_str(),
|
|
"0", // target size
|
|
patch.c_str()
|
|
};
|
|
ASSERT_NE(0, applypatch_modes(args6.size(), args6.data()));
|
|
}
|
|
|
|
TEST(ApplyPatchModesTest, CheckModeInvalidArgs) {
|
|
// Insufficient args.
|
|
ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-c" }));
|
|
}
|
|
|
|
TEST(ApplyPatchModesTest, SpaceModeInvalidArgs) {
|
|
// Insufficient args.
|
|
ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-s" }));
|
|
|
|
// Invalid bytes arg.
|
|
ASSERT_EQ(1, applypatch_modes(3, (const char* []){ "applypatch", "-s", "x" }));
|
|
|
|
// 0 is invalid.
|
|
ASSERT_EQ(1, applypatch_modes(3, (const char* []){ "applypatch", "-s", "0" }));
|
|
|
|
// 0x10 is fine.
|
|
ASSERT_EQ(0, applypatch_modes(3, (const char* []){ "applypatch", "-s", "0x10" }));
|
|
}
|
|
|
|
TEST(ApplyPatchModesTest, ShowLicenses) {
|
|
ASSERT_EQ(0, applypatch_modes(2, (const char* []){ "applypatch", "-l" }));
|
|
}
|