7326892c7d
We already know the flakiness happens in bspatch, and the issue is tracked in b/80193170. Bug: 67849209 Test: unit tests pass Change-Id: Ib4772b8f2f0225125096fe7407d083b5bb542cfb
284 lines
11 KiB
C++
284 lines
11 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 <stdio.h>
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#include <stdlib.h>
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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 <bsdiff/bsdiff.h>
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#include <gtest/gtest.h>
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#include <openssl/sha.h>
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#include "applypatch/applypatch_modes.h"
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#include "common/test_constants.h"
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#include "otautil/paths.h"
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#include "otautil/print_sha1.h"
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using namespace std::string_literals;
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static void sha1sum(const std::string& fname, std::string* sha1, size_t* fsize = nullptr) {
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ASSERT_TRUE(sha1 != nullptr);
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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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class ApplyPatchModesTest : public ::testing::Test {
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protected:
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void SetUp() override {
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Paths::Get().set_cache_temp_source(cache_source.path);
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}
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TemporaryFile cache_source;
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};
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TEST_F(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_F(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 recovery_img_size;
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std::string recovery_img_sha1;
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sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
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std::string recovery_img_size_arg = std::to_string(recovery_img_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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std::string src_file_arg =
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"EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
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TemporaryFile tgt_file;
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std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
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std::string patch_arg = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
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std::vector<const char*> args = { "applypatch",
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"-b",
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bonus_file.c_str(),
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src_file_arg.c_str(),
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tgt_file_arg.c_str(),
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recovery_img_sha1.c_str(),
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recovery_img_size_arg.c_str(),
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patch_arg.c_str() };
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ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
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}
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// Tests patching the EMMC target without a separate bonus file (i.e. recovery-from-boot patch has
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// everything).
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TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithoutBonusFile) {
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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 recovery_img_size;
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std::string recovery_img_sha1;
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sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
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std::string recovery_img_size_arg = std::to_string(recovery_img_size);
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// applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
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std::string src_file_arg =
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"EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
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TemporaryFile tgt_file;
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std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
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std::string patch_arg =
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boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
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std::vector<const char*> args = { "applypatch",
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src_file_arg.c_str(),
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tgt_file_arg.c_str(),
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recovery_img_sha1.c_str(),
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recovery_img_size_arg.c_str(),
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patch_arg.c_str() };
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ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
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}
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TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithMultiplePatches) {
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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 recovery_img_size;
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std::string recovery_img_sha1;
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sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
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std::string recovery_img_size_arg = std::to_string(recovery_img_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> \
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// <src-sha1-fake1>:<patch1> <src-sha1>:<patch2> <src-sha1-fake2>:<patch3>
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std::string src_file_arg =
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"EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
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TemporaryFile tgt_file;
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std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
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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*> args = { "applypatch",
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"-b",
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bonus_file.c_str(),
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src_file_arg.c_str(),
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tgt_file_arg.c_str(),
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recovery_img_sha1.c_str(),
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recovery_img_size_arg.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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ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
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}
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// Ensures that applypatch works with a bsdiff based recovery-from-boot.p.
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TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithBsdiffPatch) {
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std::string boot_img_file = from_testdata_base("boot.img");
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std::string boot_img_sha1;
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size_t boot_img_size;
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sha1sum(boot_img_file, &boot_img_sha1, &boot_img_size);
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std::string recovery_img_file = from_testdata_base("recovery.img");
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std::string recovery_img_sha1;
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size_t recovery_img_size;
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sha1sum(recovery_img_file, &recovery_img_sha1, &recovery_img_size);
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// Generate the bsdiff patch of recovery-from-boot.p.
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std::string src_content;
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ASSERT_TRUE(android::base::ReadFileToString(boot_img_file, &src_content));
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std::string tgt_content;
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ASSERT_TRUE(android::base::ReadFileToString(recovery_img_file, &tgt_content));
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TemporaryFile patch_file;
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ASSERT_EQ(0,
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bsdiff::bsdiff(reinterpret_cast<const uint8_t*>(src_content.data()), src_content.size(),
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reinterpret_cast<const uint8_t*>(tgt_content.data()), tgt_content.size(),
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patch_file.path, nullptr));
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// applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
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std::string src_file_arg =
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"EMMC:" + boot_img_file + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
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TemporaryFile tgt_file;
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std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
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std::string recovery_img_size_arg = std::to_string(recovery_img_size);
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std::string patch_arg = boot_img_sha1 + ":" + patch_file.path;
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std::vector<const char*> args = { "applypatch",
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src_file_arg.c_str(),
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tgt_file_arg.c_str(),
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recovery_img_sha1.c_str(),
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recovery_img_size_arg.c_str(),
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patch_arg.c_str() };
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ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
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// Double check the patched recovery image.
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std::string tgt_file_sha1;
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size_t tgt_file_size;
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sha1sum(tgt_file.path, &tgt_file_sha1, &tgt_file_size);
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ASSERT_EQ(recovery_img_size, tgt_file_size);
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ASSERT_EQ(recovery_img_sha1, tgt_file_sha1);
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}
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TEST_F(ApplyPatchModesTest, PatchModeInvalidArgs) {
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// Invalid bonus file.
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ASSERT_NE(0, applypatch_modes(3, (const char* []){ "applypatch", "-b", "/doesntexist" }));
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std::string bonus_file = from_testdata_base("bonus.file");
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// With bonus file, but missing args.
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ASSERT_EQ(2, applypatch_modes(3, (const char* []){ "applypatch", "-b", bonus_file.c_str() }));
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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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// Bonus file is not supported in flash mode.
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// applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size>
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TemporaryFile tmp4;
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std::vector<const char*> args4 = {
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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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tmp4.path,
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recovery_img_sha1.c_str(),
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recovery_img_size.c_str(),
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};
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ASSERT_NE(0, applypatch_modes(args4.size(), args4.data()));
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// Failed to parse patch args.
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TemporaryFile tmp5;
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std::string bad_arg1 =
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"invalid-sha1:filename" + from_testdata_base("recovery-from-boot-with-bonus.p");
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std::vector<const char*> args5 = {
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"applypatch",
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boot_img.c_str(),
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tmp5.path,
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recovery_img_sha1.c_str(),
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recovery_img_size.c_str(),
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bad_arg1.c_str(),
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};
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ASSERT_NE(0, applypatch_modes(args5.size(), args5.data()));
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// Target size cannot be zero.
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TemporaryFile tmp6;
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std::string patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
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std::vector<const char*> args6 = {
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"applypatch", boot_img.c_str(), tmp6.path, recovery_img_sha1.c_str(),
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"0", // target size
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patch.c_str(),
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};
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ASSERT_NE(0, applypatch_modes(args6.size(), args6.data()));
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}
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TEST_F(ApplyPatchModesTest, CheckModeInvalidArgs) {
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// Insufficient args.
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ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-c" }));
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}
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TEST_F(ApplyPatchModesTest, ShowLicenses) {
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ASSERT_EQ(0, applypatch_modes(2, (const char* []){ "applypatch", "-l" }));
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}
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