applypatch: Drop the SHA_CTX parameter in Apply{BSDiff,Image}Patch.
As they're accepting the SinkFn callback, it makes more sense to leave
the work to their callers.
Test: mmma -j bootable/recovery
Test: Run recovery_component_test on marlin.
Test: No other active user of the two functions.
Change-Id: I8d67b38ce037925442296f136b483e0c71983777
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index 120add6..7104abd 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -627,21 +627,20 @@
// We store the decoded output in memory.
std::string memory_sink_str; // Don't need to reserve space.
- SinkFn sink = [&memory_sink_str](const unsigned char* data, size_t len) {
+ SHA_CTX ctx;
+ SHA1_Init(&ctx);
+ SinkFn sink = [&memory_sink_str, &ctx](const unsigned char* data, size_t len) {
+ SHA1_Update(&ctx, data, len);
memory_sink_str.append(reinterpret_cast<const char*>(data), len);
return len;
};
- SHA_CTX ctx;
- SHA1_Init(&ctx);
-
int result;
if (use_bsdiff) {
- result =
- ApplyBSDiffPatch(source_file.data.data(), source_file.data.size(), *patch, 0, sink, &ctx);
+ result = ApplyBSDiffPatch(source_file.data.data(), source_file.data.size(), *patch, 0, sink);
} else {
- result = ApplyImagePatch(source_file.data.data(), source_file.data.size(), *patch, sink, &ctx,
- bonus_data);
+ result =
+ ApplyImagePatch(source_file.data.data(), source_file.data.size(), *patch, sink, bonus_data);
}
if (result != 0) {
diff --git a/applypatch/bspatch.cpp b/applypatch/bspatch.cpp
index 912dbbd..ba33c3a 100644
--- a/applypatch/bspatch.cpp
+++ b/applypatch/bspatch.cpp
@@ -66,18 +66,12 @@
}
int ApplyBSDiffPatch(const unsigned char* old_data, size_t old_size, const Value& patch,
- size_t patch_offset, SinkFn sink, SHA_CTX* ctx) {
- auto sha_sink = [&sink, &ctx](const uint8_t* data, size_t len) {
- len = sink(data, len);
- if (ctx) SHA1_Update(ctx, data, len);
- return len;
- };
-
+ size_t patch_offset, SinkFn sink) {
CHECK_LE(patch_offset, patch.data.size());
int result = bsdiff::bspatch(old_data, old_size,
reinterpret_cast<const uint8_t*>(&patch.data[patch_offset]),
- patch.data.size() - patch_offset, sha_sink);
+ patch.data.size() - patch_offset, sink);
if (result != 0) {
LOG(ERROR) << "bspatch failed, result: " << result;
// print SHA1 of the patch in the case of a data error.
diff --git a/applypatch/imgpatch.cpp b/applypatch/imgpatch.cpp
index 3682d61..2e4faaa 100644
--- a/applypatch/imgpatch.cpp
+++ b/applypatch/imgpatch.cpp
@@ -51,7 +51,7 @@
// patched data and stream the deflated data to output.
static bool ApplyBSDiffPatchAndStreamOutput(const uint8_t* src_data, size_t src_len,
const Value& patch, size_t patch_offset,
- const char* deflate_header, SinkFn sink, SHA_CTX* ctx) {
+ const char* deflate_header, SinkFn sink) {
size_t expected_target_length = static_cast<size_t>(Read8(deflate_header + 32));
int level = Read4(deflate_header + 40);
int method = Read4(deflate_header + 44);
@@ -77,7 +77,7 @@
size_t total_written = 0;
static constexpr size_t buffer_size = 32768;
auto compression_sink = [&strm, &actual_target_length, &expected_target_length, &total_written,
- &ret, &ctx, &sink](const uint8_t* data, size_t len) -> size_t {
+ &ret, &sink](const uint8_t* data, size_t len) -> size_t {
// The input patch length for an update never exceeds INT_MAX.
strm.avail_in = len;
strm.next_in = data;
@@ -102,15 +102,13 @@
LOG(ERROR) << "Failed to write " << have << " compressed bytes to output.";
return 0;
}
- if (ctx) SHA1_Update(ctx, buffer.data(), have);
} while ((strm.avail_in != 0 || strm.avail_out == 0) && ret != Z_STREAM_END);
actual_target_length += len;
return len;
};
- int bspatch_result =
- ApplyBSDiffPatch(src_data, src_len, patch, patch_offset, compression_sink, nullptr);
+ int bspatch_result = ApplyBSDiffPatch(src_data, src_len, patch, patch_offset, compression_sink);
deflateEnd(&strm);
if (bspatch_result != 0) {
@@ -135,11 +133,11 @@
int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const unsigned char* patch_data,
size_t patch_size, SinkFn sink) {
Value patch(VAL_BLOB, std::string(reinterpret_cast<const char*>(patch_data), patch_size));
- return ApplyImagePatch(old_data, old_size, patch, sink, nullptr, nullptr);
+ return ApplyImagePatch(old_data, old_size, patch, sink, nullptr);
}
int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const Value& patch, SinkFn sink,
- SHA_CTX* ctx, const Value* bonus_data) {
+ const Value* bonus_data) {
if (patch.data.size() < 12) {
printf("patch too short to contain header\n");
return -1;
@@ -180,7 +178,7 @@
printf("source data too short\n");
return -1;
}
- if (ApplyBSDiffPatch(old_data + src_start, src_len, patch, patch_offset, sink, ctx) != 0) {
+ if (ApplyBSDiffPatch(old_data + src_start, src_len, patch, patch_offset, sink) != 0) {
printf("Failed to apply bsdiff patch.\n");
return -1;
}
@@ -198,9 +196,6 @@
printf("failed to read chunk %d raw data\n", i);
return -1;
}
- if (ctx) {
- SHA1_Update(ctx, patch_header + pos, data_len);
- }
if (sink(reinterpret_cast<const unsigned char*>(patch_header + pos), data_len) != data_len) {
printf("failed to write chunk %d raw data\n", i);
return -1;
@@ -276,7 +271,7 @@
}
if (!ApplyBSDiffPatchAndStreamOutput(expanded_source.data(), expanded_len, patch,
- patch_offset, deflate_header, sink, ctx)) {
+ patch_offset, deflate_header, sink)) {
LOG(ERROR) << "Fail to apply streaming bspatch.";
return -1;
}
diff --git a/applypatch/include/applypatch/applypatch.h b/applypatch/include/applypatch/applypatch.h
index 021a28d..77125f9 100644
--- a/applypatch/include/applypatch/applypatch.h
+++ b/applypatch/include/applypatch/applypatch.h
@@ -63,18 +63,18 @@
void ShowBSDiffLicense();
// Applies the bsdiff-patch given in 'patch' (from offset 'patch_offset' to the end) to the source
-// data given by (old_data, old_size). Writes the patched output through the given 'sink', and
-// updates the SHA-1 context with the output data. Returns 0 on success.
+// data given by (old_data, old_size). Writes the patched output through the given 'sink'. Returns
+// 0 on success.
int ApplyBSDiffPatch(const unsigned char* old_data, size_t old_size, const Value& patch,
- size_t patch_offset, SinkFn sink, SHA_CTX* ctx);
+ size_t patch_offset, SinkFn sink);
// imgpatch.cpp
// Applies the imgdiff-patch given in 'patch' to the source data given by (old_data, old_size), with
-// the optional bonus data. Writes the patched output through the given 'sink', and updates the
-// SHA-1 context with the output data. Returns 0 on success.
+// the optional bonus data. Writes the patched output through the given 'sink'. Returns 0 on
+// success.
int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const Value& patch, SinkFn sink,
- SHA_CTX* ctx, const Value* bonus_data);
+ const Value* bonus_data);
// freecache.cpp