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-rw-r--r--applypatch/Android.mk66
-rw-r--r--applypatch/Makefile33
-rw-r--r--applypatch/applypatch.cpp8
-rw-r--r--applypatch/bsdiff.cpp1
-rw-r--r--applypatch/bspatch.cpp3
-rw-r--r--applypatch/freecache.cpp2
-rw-r--r--applypatch/imgdiff.cpp24
-rw-r--r--applypatch/imgpatch.cpp12
-rw-r--r--applypatch/include/applypatch/applypatch.h (renamed from applypatch/applypatch.h)1
-rw-r--r--applypatch/libimgpatch.pc6
-rw-r--r--applypatch/main.cpp2
-rw-r--r--applypatch/utils.cpp20
-rw-r--r--applypatch/utils.h5
13 files changed, 123 insertions, 60 deletions
diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index 887a570db..9e64718c1 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -14,61 +14,83 @@
LOCAL_PATH := $(call my-dir)
+# libapplypatch (static library)
+# ===============================
include $(CLEAR_VARS)
-
LOCAL_CLANG := true
-LOCAL_SRC_FILES := applypatch.cpp bspatch.cpp freecache.cpp imgpatch.cpp utils.cpp
+LOCAL_SRC_FILES := \
+ applypatch.cpp \
+ bspatch.cpp \
+ freecache.cpp \
+ imgpatch.cpp \
+ utils.cpp
LOCAL_MODULE := libapplypatch
LOCAL_MODULE_TAGS := eng
-LOCAL_C_INCLUDES += bootable/recovery
-LOCAL_STATIC_LIBRARIES += libbase libotafault libmtdutils libcrypto_static libbz libz
-
+LOCAL_C_INCLUDES += \
+ $(LOCAL_PATH)/include \
+ bootable/recovery
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+LOCAL_STATIC_LIBRARIES += \
+ libotafault \
+ libmtdutils \
+ libbase \
+ libcrypto_static \
+ libbz \
+ libz
include $(BUILD_STATIC_LIBRARY)
+# libimgpatch (static library)
+# ===============================
include $(CLEAR_VARS)
-
LOCAL_CLANG := true
LOCAL_SRC_FILES := bspatch.cpp imgpatch.cpp utils.cpp
LOCAL_MODULE := libimgpatch
-LOCAL_C_INCLUDES += bootable/recovery
+LOCAL_C_INCLUDES += \
+ $(LOCAL_PATH)/include \
+ bootable/recovery
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
LOCAL_STATIC_LIBRARIES += libcrypto_static libbz libz
-
include $(BUILD_STATIC_LIBRARY)
-ifeq ($(HOST_OS),linux)
+# libimgpatch (host static library)
+# ===============================
include $(CLEAR_VARS)
-
LOCAL_CLANG := true
LOCAL_SRC_FILES := bspatch.cpp imgpatch.cpp utils.cpp
LOCAL_MODULE := libimgpatch
-LOCAL_C_INCLUDES += bootable/recovery
+LOCAL_MODULE_HOST_OS := linux
+LOCAL_C_INCLUDES += \
+ $(LOCAL_PATH)/include \
+ bootable/recovery
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
LOCAL_STATIC_LIBRARIES += libcrypto_static libbz libz
-
include $(BUILD_HOST_STATIC_LIBRARY)
-endif # HOST_OS == linux
+# applypatch (executable)
+# ===============================
include $(CLEAR_VARS)
-
LOCAL_CLANG := true
LOCAL_SRC_FILES := main.cpp
LOCAL_MODULE := applypatch
LOCAL_C_INCLUDES += bootable/recovery
-LOCAL_STATIC_LIBRARIES += libapplypatch libbase libotafault libmtdutils libcrypto_static libbz \
- libedify \
-
+LOCAL_STATIC_LIBRARIES += \
+ libapplypatch \
+ libbase \
+ libedify \
+ libotafault \
+ libminzip \
+ libmtdutils \
+ libcrypto_static \
+ libbz
LOCAL_SHARED_LIBRARIES += libz libcutils libc
-
include $(BUILD_EXECUTABLE)
+# imgdiff (host static executable)
+# ===============================
include $(CLEAR_VARS)
-
LOCAL_CLANG := true
LOCAL_SRC_FILES := imgdiff.cpp utils.cpp bsdiff.cpp
LOCAL_MODULE := imgdiff
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_C_INCLUDES += external/zlib external/bzip2
LOCAL_STATIC_LIBRARIES += libz libbz
-
+LOCAL_FORCE_STATIC_EXECUTABLE := true
include $(BUILD_HOST_EXECUTABLE)
diff --git a/applypatch/Makefile b/applypatch/Makefile
new file mode 100644
index 000000000..fb4984303
--- /dev/null
+++ b/applypatch/Makefile
@@ -0,0 +1,33 @@
+# 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.
+
+# This file is for building imgdiff in Chrome OS.
+
+CPPFLAGS += -iquote.. -Iinclude
+CXXFLAGS += -std=c++11 -O3 -Wall -Werror
+LDLIBS += -lbz2 -lz
+
+.PHONY: all clean
+
+all: imgdiff libimgpatch.a
+
+clean:
+ rm -f *.o imgdiff libimgpatch.a
+
+imgdiff: imgdiff.o bsdiff.o utils.o
+ $(CXX) $(CPPFLAGS) $(CXXFLAGS) $(LDLIBS) -o $@ $^
+
+libimgpatch.a utils.o: CXXFLAGS += -fPIC
+libimgpatch.a: imgpatch.o bspatch.o utils.o
+ ${AR} rcs $@ $^
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 7985fc0c6..270fde5c4 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -31,7 +31,7 @@
#include <android-base/strings.h>
#include "openssl/sha.h"
-#include "applypatch.h"
+#include "applypatch/applypatch.h"
#include "mtdutils/mtdutils.h"
#include "edify/expr.h"
#include "ota_io.h"
@@ -77,7 +77,7 @@ int LoadFileContents(const char* filename, FileContents* file) {
size_t bytes_read = ota_fread(data.data(), 1, data.size(), f);
if (bytes_read != data.size()) {
- printf("short read of \"%s\" (%zu bytes of %zd)\n", filename, bytes_read, data.size());
+ printf("short read of \"%s\" (%zu bytes of %zu)\n", filename, bytes_read, data.size());
ota_fclose(f);
return -1;
}
@@ -596,7 +596,7 @@ size_t FreeSpaceForFile(const char* filename) {
int CacheSizeCheck(size_t bytes) {
if (MakeFreeSpaceOnCache(bytes) < 0) {
- printf("unable to make %ld bytes available on /cache\n", (long)bytes);
+ printf("unable to make %zu bytes available on /cache\n", bytes);
return 1;
} else {
return 0;
@@ -897,7 +897,7 @@ static int GenerateTarget(FileContents* source_file,
} else {
// We write the decoded output to "<tgt-file>.patch".
output_fd = ota_open(tmp_target_filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_SYNC,
- S_IRUSR | S_IWUSR);
+ S_IRUSR | S_IWUSR);
if (output_fd < 0) {
printf("failed to open output file %s: %s\n", tmp_target_filename.c_str(),
strerror(errno));
diff --git a/applypatch/bsdiff.cpp b/applypatch/bsdiff.cpp
index 55dbe5cf1..cca1b32fb 100644
--- a/applypatch/bsdiff.cpp
+++ b/applypatch/bsdiff.cpp
@@ -224,7 +224,6 @@ static void offtout(off_t x,u_char *buf)
int bsdiff(u_char* old, off_t oldsize, off_t** IP, u_char* newdata, off_t newsize,
const char* patch_filename)
{
- int fd;
off_t *I;
off_t scan,pos,len;
off_t lastscan,lastpos,lastoffset;
diff --git a/applypatch/bspatch.cpp b/applypatch/bspatch.cpp
index ebb55f1d1..a4945da28 100644
--- a/applypatch/bspatch.cpp
+++ b/applypatch/bspatch.cpp
@@ -30,7 +30,7 @@
#include <bzlib.h>
#include "openssl/sha.h"
-#include "applypatch.h"
+#include "applypatch/applypatch.h"
void ShowBSDiffLicense() {
puts("The bsdiff library used herein is:\n"
@@ -182,7 +182,6 @@ int ApplyBSDiffPatchMem(const unsigned char* old_data, ssize_t old_size,
off_t oldpos = 0, newpos = 0;
off_t ctrl[3];
- off_t len_read;
int i;
unsigned char buf[24];
while (newpos < new_size) {
diff --git a/applypatch/freecache.cpp b/applypatch/freecache.cpp
index c84f42797..331cae265 100644
--- a/applypatch/freecache.cpp
+++ b/applypatch/freecache.cpp
@@ -32,7 +32,7 @@
#include <android-base/parseint.h>
#include <android-base/stringprintf.h>
-#include "applypatch.h"
+#include "applypatch/applypatch.h"
static int EliminateOpenFiles(std::set<std::string>* files) {
std::unique_ptr<DIR, decltype(&closedir)> d(opendir("/proc"), closedir);
diff --git a/applypatch/imgdiff.cpp b/applypatch/imgdiff.cpp
index f22502e38..2aa4a6862 100644
--- a/applypatch/imgdiff.cpp
+++ b/applypatch/imgdiff.cpp
@@ -407,7 +407,6 @@ unsigned char* ReadImage(const char* filename,
while (pos < sz) {
unsigned char* p = img+pos;
- bool processed_deflate = false;
if (sz - pos >= 4 &&
p[0] == 0x1f && p[1] == 0x8b &&
p[2] == 0x08 && // deflate compression
@@ -461,28 +460,27 @@ unsigned char* ReadImage(const char* filename,
strm.next_out = curr->data + curr->len;
ret = inflate(&strm, Z_NO_FLUSH);
if (ret < 0) {
- if (!processed_deflate) {
- // This is the first chunk, assume that it's just a spurious
- // gzip header instead of a real one.
- break;
- }
- printf("Error: inflate failed [%s] at file offset [%zu]\n"
- "imgdiff only supports gzip kernel compression,"
- " did you try CONFIG_KERNEL_LZO?\n",
+ printf("Warning: inflate failed [%s] at offset [%zu],"
+ " treating as a normal chunk\n",
strm.msg, chunk_offset);
- free(img);
- return NULL;
+ break;
}
curr->len = allocated - strm.avail_out;
if (strm.avail_out == 0) {
allocated *= 2;
curr->data = reinterpret_cast<unsigned char*>(realloc(curr->data, allocated));
}
- processed_deflate = true;
} while (ret != Z_STREAM_END);
curr->deflate_len = sz - strm.avail_in - pos;
inflateEnd(&strm);
+
+ if (ret < 0) {
+ free(curr->data);
+ *num_chunks -= 2;
+ continue;
+ }
+
pos += curr->deflate_len;
p += curr->deflate_len;
++curr;
@@ -598,7 +596,6 @@ int ReconstructDeflateChunk(ImageChunk* chunk) {
return -1;
}
- size_t p = 0;
unsigned char* out = reinterpret_cast<unsigned char*>(malloc(BUFFER_SIZE));
// We only check two combinations of encoder parameters: level 6
@@ -844,7 +841,6 @@ int main(int argc, char** argv) {
}
if (argc != 4) {
- usage:
printf("usage: %s [-z] [-b <bonus-file>] <src-img> <tgt-img> <patch-file>\n",
argv[0]);
return 2;
diff --git a/applypatch/imgpatch.cpp b/applypatch/imgpatch.cpp
index 8824038ea..f5aed763d 100644
--- a/applypatch/imgpatch.cpp
+++ b/applypatch/imgpatch.cpp
@@ -28,7 +28,7 @@
#include "zlib.h"
#include "openssl/sha.h"
-#include "applypatch.h"
+#include "applypatch/applypatch.h"
#include "imgdiff.h"
#include "utils.h"
@@ -130,6 +130,7 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
size_t src_len = Read8(deflate_header+8);
size_t patch_offset = Read8(deflate_header+16);
size_t expanded_len = Read8(deflate_header+24);
+ size_t target_len = Read8(deflate_header+32);
int level = Read4(deflate_header+40);
int method = Read4(deflate_header+44);
int windowBits = Read4(deflate_header+48);
@@ -195,6 +196,11 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
&uncompressed_target_data) != 0) {
return -1;
}
+ if (uncompressed_target_data.size() != target_len) {
+ printf("expected target len to be %zu, but it's %zu\n",
+ target_len, uncompressed_target_data.size());
+ return -1;
+ }
// Now compress the target data and append it to the output.
@@ -223,8 +229,8 @@ int ApplyImagePatch(const unsigned char* old_data, ssize_t old_size,
ssize_t have = temp_data.size() - strm.avail_out;
if (sink(temp_data.data(), have, token) != have) {
- printf("failed to write %ld compressed bytes to output\n",
- (long)have);
+ printf("failed to write %zd compressed bytes to output\n",
+ have);
return -1;
}
if (ctx) SHA1_Update(ctx, temp_data.data(), have);
diff --git a/applypatch/applypatch.h b/applypatch/include/applypatch/applypatch.h
index f392c5534..9ee39d293 100644
--- a/applypatch/applypatch.h
+++ b/applypatch/include/applypatch/applypatch.h
@@ -17,6 +17,7 @@
#ifndef _APPLYPATCH_H
#define _APPLYPATCH_H
+#include <stdint.h>
#include <sys/stat.h>
#include <vector>
diff --git a/applypatch/libimgpatch.pc b/applypatch/libimgpatch.pc
new file mode 100644
index 000000000..e5002934f
--- /dev/null
+++ b/applypatch/libimgpatch.pc
@@ -0,0 +1,6 @@
+# This file is for libimgpatch in Chrome OS.
+
+Name: libimgpatch
+Description: Apply imgdiff patch
+Version: 0.0.1
+Libs: -limgpatch -lbz2 -lz
diff --git a/applypatch/main.cpp b/applypatch/main.cpp
index 9013760c4..0ff8cbf9a 100644
--- a/applypatch/main.cpp
+++ b/applypatch/main.cpp
@@ -22,7 +22,7 @@
#include <memory>
#include <vector>
-#include "applypatch.h"
+#include "applypatch/applypatch.h"
#include "edify/expr.h"
#include "openssl/sha.h"
diff --git a/applypatch/utils.cpp b/applypatch/utils.cpp
index 4a80be75f..fef250f01 100644
--- a/applypatch/utils.cpp
+++ b/applypatch/utils.cpp
@@ -27,7 +27,7 @@ void Write4(int value, FILE* f) {
}
/** Write an 8-byte value to f in little-endian order. */
-void Write8(long long value, FILE* f) {
+void Write8(int64_t value, FILE* f) {
fputc(value & 0xff, f);
fputc((value >> 8) & 0xff, f);
fputc((value >> 16) & 0xff, f);
@@ -52,14 +52,14 @@ int Read4(void* pv) {
(unsigned int)p[0]);
}
-long long Read8(void* pv) {
+int64_t Read8(void* pv) {
unsigned char* p = reinterpret_cast<unsigned char*>(pv);
- return (long long)(((unsigned long long)p[7] << 56) |
- ((unsigned long long)p[6] << 48) |
- ((unsigned long long)p[5] << 40) |
- ((unsigned long long)p[4] << 32) |
- ((unsigned long long)p[3] << 24) |
- ((unsigned long long)p[2] << 16) |
- ((unsigned long long)p[1] << 8) |
- (unsigned long long)p[0]);
+ return (int64_t)(((uint64_t)p[7] << 56) |
+ ((uint64_t)p[6] << 48) |
+ ((uint64_t)p[5] << 40) |
+ ((uint64_t)p[4] << 32) |
+ ((uint64_t)p[3] << 24) |
+ ((uint64_t)p[2] << 16) |
+ ((uint64_t)p[1] << 8) |
+ (uint64_t)p[0]);
}
diff --git a/applypatch/utils.h b/applypatch/utils.h
index bc97f1720..1c34edd97 100644
--- a/applypatch/utils.h
+++ b/applypatch/utils.h
@@ -17,14 +17,15 @@
#ifndef _BUILD_TOOLS_APPLYPATCH_UTILS_H
#define _BUILD_TOOLS_APPLYPATCH_UTILS_H
+#include <inttypes.h>
#include <stdio.h>
// Read and write little-endian values of various sizes.
void Write4(int value, FILE* f);
-void Write8(long long value, FILE* f);
+void Write8(int64_t value, FILE* f);
int Read2(void* p);
int Read4(void* p);
-long long Read8(void* p);
+int64_t Read8(void* p);
#endif // _BUILD_TOOLS_APPLYPATCH_UTILS_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 09:24:43 +0200