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authorTao Bao <tbao@google.com>2018-07-06 21:14:36 +0200
committerTao Bao <tbao@google.com>2018-07-06 21:21:41 +0200
commitb8cb2e6322c112bebf4795b6e440f8953a61e7e1 (patch)
treeb55bcd9cef6dc8b0e6a65a7926c9cb40b9d5253b /tests/component/applypatch_modes_test.cpp
parentMerge "minui/drm: wait for page flip completion" (diff)
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Diffstat (limited to 'tests/component/applypatch_modes_test.cpp')
-rw-r--r--tests/component/applypatch_modes_test.cpp347
1 files changed, 347 insertions, 0 deletions
diff --git a/tests/component/applypatch_modes_test.cpp b/tests/component/applypatch_modes_test.cpp
new file mode 100644
index 000000000..b0a52b1e8
--- /dev/null
+++ b/tests/component/applypatch_modes_test.cpp
@@ -0,0 +1,347 @@
+/*
+ * Copyright (C) 2016 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 agree 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 <stdio.h>
+#include <stdlib.h>
+
+#include <string>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+#include <android-base/test_utils.h>
+#include <bsdiff/bsdiff.h>
+#include <gtest/gtest.h>
+#include <openssl/sha.h>
+#include <zlib.h>
+
+#include "applypatch/applypatch_modes.h"
+#include "common/test_constants.h"
+#include "otautil/paths.h"
+#include "otautil/print_sha1.h"
+
+using namespace std::string_literals;
+
+// TODO(b/67849209) Remove after debug the flakiness.
+static void DecompressAndDumpRecoveryImage(const std::string& image_path) {
+ // Expected recovery_image structure
+ // chunk normal: 45066 bytes
+ // chunk deflate: 479442 bytes
+ // chunk normal: 5199 bytes
+ std::string recovery_content;
+ ASSERT_TRUE(android::base::ReadFileToString(image_path, &recovery_content));
+ ASSERT_GT(recovery_content.size(), 45066 + 5199);
+
+ z_stream strm = {};
+ strm.avail_in = recovery_content.size() - 45066 - 5199;
+ strm.next_in =
+ const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(recovery_content.data())) + 45066;
+
+ ASSERT_EQ(Z_OK, inflateInit2(&strm, -15));
+
+ constexpr unsigned int BUFFER_SIZE = 32768;
+ std::vector<uint8_t> uncompressed_data(BUFFER_SIZE);
+ size_t uncompressed_length = 0;
+ SHA_CTX ctx;
+ SHA1_Init(&ctx);
+ int ret;
+ do {
+ strm.avail_out = BUFFER_SIZE;
+ strm.next_out = uncompressed_data.data();
+
+ ret = inflate(&strm, Z_NO_FLUSH);
+ ASSERT_GE(ret, 0);
+
+ SHA1_Update(&ctx, uncompressed_data.data(), BUFFER_SIZE - strm.avail_out);
+ uncompressed_length += BUFFER_SIZE - strm.avail_out;
+ } while (ret != Z_STREAM_END);
+ inflateEnd(&strm);
+
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1_Final(digest, &ctx);
+ GTEST_LOG_(INFO) << "uncompressed length " << uncompressed_length
+ << " sha1: " << short_sha1(digest);
+}
+
+static void sha1sum(const std::string& fname, std::string* sha1, size_t* fsize = nullptr) {
+ ASSERT_TRUE(sha1 != nullptr);
+
+ std::string data;
+ ASSERT_TRUE(android::base::ReadFileToString(fname, &data));
+
+ if (fsize != nullptr) {
+ *fsize = data.size();
+ }
+
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1(reinterpret_cast<const uint8_t*>(data.c_str()), data.size(), digest);
+ *sha1 = print_sha1(digest);
+}
+
+static void test_logger(android::base::LogId /* id */, android::base::LogSeverity severity,
+ const char* /* tag */, const char* /* file */, unsigned int /* line */,
+ const char* message) {
+ if (severity >= android::base::GetMinimumLogSeverity()) {
+ fprintf(stdout, "%s\n", message);
+ }
+}
+
+class ApplyPatchModesTest : public ::testing::Test {
+ protected:
+ void SetUp() override {
+ Paths::Get().set_cache_temp_source(cache_source.path);
+ android::base::InitLogging(nullptr, &test_logger);
+ android::base::SetMinimumLogSeverity(android::base::LogSeverity::DEBUG);
+ }
+
+ TemporaryFile cache_source;
+};
+
+TEST_F(ApplyPatchModesTest, InvalidArgs) {
+ // At least two args (including the filename).
+ ASSERT_EQ(2, applypatch_modes(1, (const char* []){ "applypatch" }));
+
+ // Unrecognized args.
+ ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-x" }));
+}
+
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTarget) {
+ 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 recovery_img_size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+
+ std::string bonus_file = from_testdata_base("bonus.file");
+
+ // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
+ std::string src_file_arg =
+ "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string patch_arg = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
+ std::vector<const char*> args = { "applypatch",
+ "-b",
+ bonus_file.c_str(),
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch_arg.c_str() };
+ ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
+}
+
+// Tests patching the EMMC target without a separate bonus file (i.e. recovery-from-boot patch has
+// everything).
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithoutBonusFile) {
+ 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 recovery_img_size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+
+ // applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
+ std::string src_file_arg =
+ "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string patch_arg =
+ boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
+ std::vector<const char*> args = { "applypatch",
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch_arg.c_str() };
+
+ if (applypatch_modes(args.size(), args.data()) != 0) {
+ DecompressAndDumpRecoveryImage(tgt_file.path);
+ FAIL();
+ }
+}
+
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithMultiplePatches) {
+ 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 recovery_img_size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+
+ std::string bonus_file = from_testdata_base("bonus.file");
+
+ // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> \
+ // <src-sha1-fake1>:<patch1> <src-sha1>:<patch2> <src-sha1-fake2>:<patch3>
+ std::string src_file_arg =
+ "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.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*> args = { "applypatch",
+ "-b",
+ bonus_file.c_str(),
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch1.c_str(),
+ patch2.c_str(),
+ patch3.c_str() };
+ // TODO(b/67849209): Remove after addressing the flakiness.
+ printf("Calling applypatch_modes with the following args:\n");
+ for (const auto& arg : args) {
+ printf(" %s\n", arg);
+ }
+
+ if (applypatch_modes(args.size(), args.data()) != 0) {
+ DecompressAndDumpRecoveryImage(tgt_file.path);
+ FAIL();
+ }
+}
+
+// Ensures that applypatch works with a bsdiff based recovery-from-boot.p.
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithBsdiffPatch) {
+ std::string boot_img_file = from_testdata_base("boot.img");
+ std::string boot_img_sha1;
+ size_t boot_img_size;
+ sha1sum(boot_img_file, &boot_img_sha1, &boot_img_size);
+
+ std::string recovery_img_file = from_testdata_base("recovery.img");
+ std::string recovery_img_sha1;
+ size_t recovery_img_size;
+ sha1sum(recovery_img_file, &recovery_img_sha1, &recovery_img_size);
+
+ // Generate the bsdiff patch of recovery-from-boot.p.
+ std::string src_content;
+ ASSERT_TRUE(android::base::ReadFileToString(boot_img_file, &src_content));
+
+ std::string tgt_content;
+ ASSERT_TRUE(android::base::ReadFileToString(recovery_img_file, &tgt_content));
+
+ TemporaryFile patch_file;
+ ASSERT_EQ(0,
+ bsdiff::bsdiff(reinterpret_cast<const uint8_t*>(src_content.data()), src_content.size(),
+ reinterpret_cast<const uint8_t*>(tgt_content.data()), tgt_content.size(),
+ patch_file.path, nullptr));
+
+ // applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
+ std::string src_file_arg =
+ "EMMC:" + boot_img_file + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+ std::string patch_arg = boot_img_sha1 + ":" + patch_file.path;
+ std::vector<const char*> args = { "applypatch",
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch_arg.c_str() };
+ ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
+
+ // Double check the patched recovery image.
+ std::string tgt_file_sha1;
+ size_t tgt_file_size;
+ sha1sum(tgt_file.path, &tgt_file_sha1, &tgt_file_size);
+ ASSERT_EQ(recovery_img_size, tgt_file_size);
+ ASSERT_EQ(recovery_img_sha1, tgt_file_sha1);
+}
+
+TEST_F(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_F(ApplyPatchModesTest, CheckModeInvalidArgs) {
+ // Insufficient args.
+ ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-c" }));
+}
+
+TEST_F(ApplyPatchModesTest, ShowLicenses) {
+ ASSERT_EQ(0, applypatch_modes(2, (const char* []){ "applypatch", "-l" }));
+}