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-rw-r--r--applypatch/Android.mk4
-rw-r--r--applypatch/applypatch.c35
-rw-r--r--applypatch/applypatch.h4
-rw-r--r--applypatch/main.c4
4 files changed, 13 insertions, 34 deletions
diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index ef57f24..4984093 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -28,7 +28,7 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES := main.c
LOCAL_MODULE := applypatch
LOCAL_C_INCLUDES += bootable/recovery
-LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz libminelf
+LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz
LOCAL_SHARED_LIBRARIES += libz libcutils libstdc++ libc
include $(BUILD_EXECUTABLE)
@@ -40,7 +40,7 @@ LOCAL_MODULE := applypatch_static
LOCAL_FORCE_STATIC_EXECUTABLE := true
LOCAL_MODULE_TAGS := eng
LOCAL_C_INCLUDES += bootable/recovery
-LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz libminelf
+LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz
LOCAL_STATIC_LIBRARIES += libz libcutils libstdc++ libc
include $(BUILD_EXECUTABLE)
diff --git a/applypatch/applypatch.c b/applypatch/applypatch.c
index 9e631dd..60e9e4a 100644
--- a/applypatch/applypatch.c
+++ b/applypatch/applypatch.c
@@ -24,6 +24,7 @@
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
+#include <stdbool.h>
#include "mincrypt/sha.h"
#include "applypatch.h"
@@ -44,14 +45,11 @@ static int GenerateTarget(FileContents* source_file,
static int mtd_partitions_scanned = 0;
-// Read a file into memory; optionally (retouch_flag == RETOUCH_DO_MASK) mask
-// the retouched entries back to their original value (such that SHA-1 checks
-// don't fail due to randomization); store the file contents and associated
+// Read a file into memory; store the file contents and associated
// metadata in *file.
//
// Return 0 on success.
-int LoadFileContents(const char* filename, FileContents* file,
- int retouch_flag) {
+int LoadFileContents(const char* filename, FileContents* file) {
file->data = NULL;
// A special 'filename' beginning with "MTD:" or "EMMC:" means to
@@ -87,20 +85,6 @@ int LoadFileContents(const char* filename, FileContents* file,
}
fclose(f);
- // apply_patch[_check] functions are blind to randomization. Randomization
- // is taken care of in [Undo]RetouchBinariesFn. If there is a mismatch
- // within a file, this means the file is assumed "corrupt" for simplicity.
- if (retouch_flag) {
- int32_t desired_offset = 0;
- if (retouch_mask_data(file->data, file->size,
- &desired_offset, NULL) != RETOUCH_DATA_MATCHED) {
- printf("error trying to mask retouch entries\n");
- free(file->data);
- file->data = NULL;
- return -1;
- }
- }
-
SHA_hash(file->data, file->size, file->sha1);
return 0;
}
@@ -579,7 +563,7 @@ int applypatch_check(const char* filename,
// LoadFileContents is successful. (Useful for reading
// partitions, where the filename encodes the sha1s; no need to
// check them twice.)
- if (LoadFileContents(filename, &file, RETOUCH_DO_MASK) != 0 ||
+ if (LoadFileContents(filename, &file) != 0 ||
(num_patches > 0 &&
FindMatchingPatch(file.sha1, patch_sha1_str, num_patches) < 0)) {
printf("file \"%s\" doesn't have any of expected "
@@ -594,7 +578,7 @@ int applypatch_check(const char* filename,
// exists and matches the sha1 we're looking for, the check still
// passes.
- if (LoadFileContents(CACHE_TEMP_SOURCE, &file, RETOUCH_DO_MASK) != 0) {
+ if (LoadFileContents(CACHE_TEMP_SOURCE, &file) != 0) {
printf("failed to load cache file\n");
return 1;
}
@@ -730,8 +714,7 @@ int applypatch(const char* source_filename,
const Value* copy_patch_value = NULL;
// We try to load the target file into the source_file object.
- if (LoadFileContents(target_filename, &source_file,
- RETOUCH_DO_MASK) == 0) {
+ if (LoadFileContents(target_filename, &source_file) == 0) {
if (memcmp(source_file.sha1, target_sha1, SHA_DIGEST_SIZE) == 0) {
// The early-exit case: the patch was already applied, this file
// has the desired hash, nothing for us to do.
@@ -750,8 +733,7 @@ int applypatch(const char* source_filename,
// target file, or we did but it's different from the source file.
free(source_file.data);
source_file.data = NULL;
- LoadFileContents(source_filename, &source_file,
- RETOUCH_DO_MASK);
+ LoadFileContents(source_filename, &source_file);
}
if (source_file.data != NULL) {
@@ -767,8 +749,7 @@ int applypatch(const char* source_filename,
source_file.data = NULL;
printf("source file is bad; trying copy\n");
- if (LoadFileContents(CACHE_TEMP_SOURCE, &copy_file,
- RETOUCH_DO_MASK) < 0) {
+ if (LoadFileContents(CACHE_TEMP_SOURCE, &copy_file) < 0) {
// fail.
printf("failed to read copy file\n");
return 1;
diff --git a/applypatch/applypatch.h b/applypatch/applypatch.h
index f1f13a1..ee54c24 100644
--- a/applypatch/applypatch.h
+++ b/applypatch/applypatch.h
@@ -19,7 +19,6 @@
#include <sys/stat.h>
#include "mincrypt/sha.h"
-#include "minelf/Retouch.h"
#include "edify/expr.h"
typedef struct _Patch {
@@ -61,8 +60,7 @@ int applypatch_check(const char* filename,
int num_patches,
char** const patch_sha1_str);
-int LoadFileContents(const char* filename, FileContents* file,
- int retouch_flag);
+int LoadFileContents(const char* filename, FileContents* file);
int SaveFileContents(const char* filename, const FileContents* file);
void FreeFileContents(FileContents* file);
int FindMatchingPatch(uint8_t* sha1, char* const * const patch_sha1_str,
diff --git a/applypatch/main.c b/applypatch/main.c
index f61db5d..8e9fe80 100644
--- a/applypatch/main.c
+++ b/applypatch/main.c
@@ -74,7 +74,7 @@ static int ParsePatchArgs(int argc, char** argv,
(*patches)[i] = NULL;
} else {
FileContents fc;
- if (LoadFileContents(colon, &fc, RETOUCH_DONT_MASK) != 0) {
+ if (LoadFileContents(colon, &fc) != 0) {
goto abort;
}
(*patches)[i] = malloc(sizeof(Value));
@@ -103,7 +103,7 @@ int PatchMode(int argc, char** argv) {
Value* bonus = NULL;
if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
FileContents fc;
- if (LoadFileContents(argv[2], &fc, RETOUCH_DONT_MASK) != 0) {
+ if (LoadFileContents(argv[2], &fc) != 0) {
printf("failed to load bonus file %s\n", argv[2]);
return 1;
}
generated by cgit v1.1 at 2024-12-22 13:45:25 +0000