Merge "applypatch: Add testcases for applypatch executable." (4fc42365) · Commits · e / tools / etwrp

applypatch/Android.mk

+25 −5

Original line number	Diff line number	Diff line
		@@ -68,21 +68,41 @@ LOCAL_STATIC_LIBRARIES += libcrypto libbz libz
		LOCAL_CFLAGS := -Werror
		include $(BUILD_HOST_STATIC_LIBRARY)

		# applypatch (executable)
		# libapplypatch_modes (static library)
		# ===============================
		include $(CLEAR_VARS)
		LOCAL_CLANG := true
		LOCAL_SRC_FILES := main.cpp
		LOCAL_SRC_FILES := \
		applypatch_modes.cpp
		LOCAL_MODULE := libapplypatch_modes
		LOCAL_C_INCLUDES := bootable/recovery
		LOCAL_STATIC_LIBRARIES := \
		libapplypatch \
		libbase \
		libedify \
		libcrypto
		LOCAL_CFLAGS := -Werror
		include $(BUILD_STATIC_LIBRARY)

		# applypatch (target executable)
		# ===============================
		include $(CLEAR_VARS)
		LOCAL_CLANG := true
		LOCAL_SRC_FILES := applypatch_main.cpp
		LOCAL_MODULE := applypatch
		LOCAL_C_INCLUDES += bootable/recovery
		LOCAL_STATIC_LIBRARIES += \
		LOCAL_C_INCLUDES := bootable/recovery
		LOCAL_STATIC_LIBRARIES := \
		libapplypatch_modes \
		libapplypatch \
		libbase \
		libedify \
		libotafault \
		libcrypto \
		libbz
		LOCAL_SHARED_LIBRARIES += libbase libz libcutils libc
		LOCAL_SHARED_LIBRARIES := \
		libbase \
		libz \
		libcutils
		LOCAL_CFLAGS := -Werror
		include $(BUILD_EXECUTABLE)

applypatch/applypatch_main.cpp

0 → 100644

+28 −0

Original line number	Diff line number	Diff line
		/*
		* 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 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 "applypatch_modes.h"

		// This program (applypatch) applies binary patches to files in a way that
		// is safe (the original file is not touched until we have the desired
		// replacement for it) and idempotent (it's okay to run this program
		// multiple times).
		//
		// See the comments to applypatch_modes() function.

		int main(int argc, char** argv) {
		return applypatch_modes(argc, const_cast<const char**>(argv));
		}

applypatch/main.cpp→applypatch/applypatch_modes.cpp

+27 −25

Original line number	Diff line number	Diff line
		@@ -14,6 +14,8 @@
		* limitations under the License.
		*/

		#include "applypatch_modes.h"

		#include <stdio.h>
		#include <stdlib.h>
		#include <string.h>
		@@ -23,12 +25,14 @@
		#include <string>
		#include <vector>

		#include <android-base/parseint.h>
		#include <android-base/strings.h>
		#include <openssl/sha.h>

		#include "applypatch/applypatch.h"
		#include "edify/expr.h"

		static int CheckMode(int argc, char** argv) {
		static int CheckMode(int argc, const char** argv) {
		if (argc < 3) {
		return 2;
		}
		@@ -40,44 +44,42 @@ static int CheckMode(int argc, char** argv) {
		return applypatch_check(argv[2], sha1);
		}

		static int SpaceMode(int argc, char** argv) {
		static int SpaceMode(int argc, const char** argv) {
		if (argc != 3) {
		return 2;
		}
		char* endptr;
		size_t bytes = strtol(argv[2], &endptr, 10);
		if (bytes == 0 && endptr == argv[2]) {

		size_t bytes;
		if (!android::base::ParseUint(argv[2], &bytes) \|\| bytes == 0) {
		printf("can't parse \"%s\" as byte count\n\n", argv[2]);
		return 1;
		}
		return CacheSizeCheck(bytes);
		}

		// Parse arguments (which should be of the form "<sha1>:<filename>"
		// into the new parallel arrays sha1s and files.Returns true on
		// success.
		static bool ParsePatchArgs(int argc, char** argv, std::vector<std::string>* sha1s,
		// Parse arguments (which should be of the form "<sha1>:<filename>" into the
		// new parallel arrays sha1s and files. Returns true on success.
		static bool ParsePatchArgs(int argc, const char** argv, std::vector<std::string>* sha1s,
		std::vector<FileContents>* files) {
		if (sha1s == nullptr) {
		return false;
		}
		for (int i = 0; i < argc; ++i) {
		uint8_t digest[SHA_DIGEST_LENGTH];
		char* colon = strchr(argv[i], ':');
		if (colon == nullptr) {
		printf("no ':' in patch argument \"%s\"\n", argv[i]);
		std::vector<std::string> pieces = android::base::Split(argv[i], ":");
		if (pieces.size() != 2) {
		printf("failed to parse patch argument \"%s\"\n", argv[i]);
		return false;
		}
		*colon = '\0';
		++colon;
		if (ParseSha1(argv[i], digest) != 0) {

		uint8_t digest[SHA_DIGEST_LENGTH];
		if (ParseSha1(pieces[0].c_str(), digest) != 0) {
		printf("failed to parse sha1 \"%s\"\n", argv[i]);
		return false;
		}

		sha1s->push_back(argv[i]);
		sha1s->push_back(pieces[0]);
		FileContents fc;
		if (LoadFileContents(colon, &fc) != 0) {
		if (LoadFileContents(pieces[1].c_str(), &fc) != 0) {
		return false;
		}
		files->push_back(std::move(fc));
		@@ -90,7 +92,7 @@ static int FlashMode(const char* src_filename, const char* tgt_filename,
		return applypatch_flash(src_filename, tgt_filename, tgt_sha1, tgt_size);
		}

		static int PatchMode(int argc, char** argv) {
		static int PatchMode(int argc, const char** argv) {
		FileContents bonusFc;
		Value bonus(VAL_INVALID, "");

		@@ -109,9 +111,8 @@ static int PatchMode(int argc, char** argv) {
		return 2;
		}

		char* endptr;
		size_t target_size = strtol(argv[4], &endptr, 10);
		if (target_size == 0 && endptr == argv[4]) {
		size_t target_size;
		if (!android::base::ParseUint(argv[4], &target_size) \|\| target_size == 0) {
		printf("can't parse \"%s\" as byte count\n\n", argv[4]);
		return 1;
		}
		@@ -124,6 +125,7 @@ static int PatchMode(int argc, char** argv) {
		}
		return FlashMode(argv[1], argv[2], argv[3], target_size);
		}

		std::vector<std::string> sha1s;
		std::vector<FileContents> files;
		if (!ParsePatchArgs(argc-5, argv+5, &sha1s, &files)) {
		@@ -139,8 +141,8 @@ static int PatchMode(int argc, char** argv) {
		return applypatch(argv[1], argv[2], argv[3], target_size, sha1s, patches, &bonus);
		}

		// This program applies binary patches to files in a way that is safe
		// (the original file is not touched until we have the desired
		// This program (applypatch) applies binary patches to files in a way that
		// is safe (the original file is not touched until we have the desired
		// replacement for it) and idempotent (it's okay to run this program
		// multiple times).
		//
		@@ -166,7 +168,7 @@ static int PatchMode(int argc, char** argv) {
		// to read the source data. See the comments for the
		// LoadPartitionContents() function for the format of such a filename.

		int main(int argc, char** argv) {
		int applypatch_modes(int argc, const char** argv) {
		if (argc < 2) {
		usage:
		printf(

applypatch/applypatch_modes.h

0 → 100644

+22 −0

Original line number	Diff line number	Diff line
		/*
		* 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 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.
		*/

		#ifndef _APPLYPATCH_MODES_H
		#define _APPLYPATCH_MODES_H

		int applypatch_modes(int argc, const char** argv);

		#endif // _APPLYPATCH_MODES_H

tests/Android.mk

+2 −1

Original line number	Diff line number	Diff line
		@@ -43,7 +43,7 @@ include $(BUILD_NATIVE_TEST)
		# Component tests
		include $(CLEAR_VARS)
		LOCAL_CLANG := true
		LOCAL_CFLAGS += -Wno-unused-parameter -Werror
		LOCAL_CFLAGS := -Werror
		LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
		LOCAL_MODULE := recovery_component_test
		LOCAL_C_INCLUDES := bootable/recovery
		@@ -63,6 +63,7 @@ tune2fs_static_libraries := \
		libext2fs

		LOCAL_STATIC_LIBRARIES := \
		libapplypatch_modes \
		libapplypatch \
		libedify \
		libotafault \