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authorTao Bao <tbao@google.com>2018-06-20 00:56:49 +0200
committerTao Bao <tbao@google.com>2018-07-10 08:20:30 +0200
commit511d75962789837231459e53e86eaaa6a1ff6e06 (patch)
tree25e167440b5c06697a6b91640afd71be2fd965a6 /applypatch
parentMerge "applypatch: Restrict applypatch_check to eMMC targets." (diff)
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Diffstat (limited to 'applypatch')
-rw-r--r--applypatch/applypatch.cpp2
-rw-r--r--applypatch/applypatch_modes.cpp77
-rw-r--r--applypatch/imgpatch.cpp14
3 files changed, 46 insertions, 47 deletions
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index fc29493b4..b1f5607a6 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -553,7 +553,7 @@ int applypatch_flash(const char* source_filename, const char* target_filename,
static int GenerateTarget(const FileContents& source_file, const std::unique_ptr<Value>& patch,
const std::string& target_filename,
const uint8_t target_sha1[SHA_DIGEST_LENGTH], const Value* bonus_data) {
- if (patch->type != VAL_BLOB) {
+ if (patch->type != Value::Type::BLOB) {
LOG(ERROR) << "patch is not a blob";
return 1;
}
diff --git a/applypatch/applypatch_modes.cpp b/applypatch/applypatch_modes.cpp
index 6437e1be6..ec95325fc 100644
--- a/applypatch/applypatch_modes.cpp
+++ b/applypatch/applypatch_modes.cpp
@@ -81,52 +81,51 @@ static int FlashMode(const char* src_filename, const char* tgt_filename,
}
static int PatchMode(int argc, const char** argv) {
- FileContents bonusFc;
- Value bonus(VAL_INVALID, "");
-
- if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
- if (LoadFileContents(argv[2], &bonusFc) != 0) {
- LOG(ERROR) << "Failed to load bonus file " << argv[2];
- return 1;
- }
- bonus.type = VAL_BLOB;
- bonus.data = std::string(bonusFc.data.cbegin(), bonusFc.data.cend());
- argc -= 2;
- argv += 2;
- }
-
- if (argc < 4) {
- return 2;
- }
-
- size_t target_size;
- if (!android::base::ParseUint(argv[4], &target_size) || target_size == 0) {
- LOG(ERROR) << "Failed to parse \"" << argv[4] << "\" as byte count";
+ std::unique_ptr<Value> bonus;
+ if (argc >= 3 && strcmp(argv[1], "-b") == 0) {
+ FileContents bonus_fc;
+ if (LoadFileContents(argv[2], &bonus_fc) != 0) {
+ LOG(ERROR) << "Failed to load bonus file " << argv[2];
return 1;
}
+ bonus = std::make_unique<Value>(Value::Type::BLOB,
+ std::string(bonus_fc.data.cbegin(), bonus_fc.data.cend()));
+ argc -= 2;
+ argv += 2;
+ }
- // If no <src-sha1>:<patch> is provided, it is in flash mode.
- if (argc == 5) {
- if (bonus.type != VAL_INVALID) {
- LOG(ERROR) << "bonus file not supported in flash mode";
- return 1;
- }
- return FlashMode(argv[1], argv[2], argv[3], target_size);
- }
+ if (argc < 4) {
+ return 2;
+ }
- std::vector<std::string> sha1s;
- std::vector<FileContents> files;
- if (!ParsePatchArgs(argc-5, argv+5, &sha1s, &files)) {
- LOG(ERROR) << "Failed to parse patch args";
+ size_t target_size;
+ if (!android::base::ParseUint(argv[4], &target_size) || target_size == 0) {
+ LOG(ERROR) << "Failed to parse \"" << argv[4] << "\" as byte count";
+ return 1;
+ }
+
+ // If no <src-sha1>:<patch> is provided, it is in flash mode.
+ if (argc == 5) {
+ if (bonus) {
+ LOG(ERROR) << "bonus file not supported in flash mode";
return 1;
}
+ return FlashMode(argv[1], argv[2], argv[3], target_size);
+ }
- std::vector<std::unique_ptr<Value>> patches;
- for (size_t i = 0; i < files.size(); ++i) {
- patches.push_back(std::make_unique<Value>(
- VAL_BLOB, std::string(files[i].data.cbegin(), files[i].data.cend())));
- }
- return applypatch(argv[1], argv[2], argv[3], target_size, sha1s, patches, &bonus);
+ std::vector<std::string> sha1s;
+ std::vector<FileContents> files;
+ if (!ParsePatchArgs(argc - 5, argv + 5, &sha1s, &files)) {
+ LOG(ERROR) << "Failed to parse patch args";
+ return 1;
+ }
+
+ std::vector<std::unique_ptr<Value>> patches;
+ for (const auto& file : files) {
+ patches.push_back(std::make_unique<Value>(Value::Type::BLOB,
+ std::string(file.data.cbegin(), file.data.cend())));
+ }
+ return applypatch(argv[1], argv[2], argv[3], target_size, sha1s, patches, bonus.get());
}
// This program (applypatch) applies binary patches to files in a way that
diff --git a/applypatch/imgpatch.cpp b/applypatch/imgpatch.cpp
index 2f8f4851d..da7569219 100644
--- a/applypatch/imgpatch.cpp
+++ b/applypatch/imgpatch.cpp
@@ -151,7 +151,8 @@ static bool ApplyBSDiffPatchAndStreamOutput(const uint8_t* src_data, size_t src_
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));
+ Value patch(Value::Type::BLOB,
+ std::string(reinterpret_cast<const char*>(patch_data), patch_size));
return ApplyImagePatch(old_data, old_size, patch, sink, nullptr);
}
@@ -246,11 +247,10 @@ int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const Value&
// Decompress the source data; the chunk header tells us exactly
// how big we expect it to be when decompressed.
- // Note: expanded_len will include the bonus data size if
- // the patch was constructed with bonus data. The
- // deflation will come up 'bonus_size' bytes short; these
- // must be appended from the bonus_data value.
- size_t bonus_size = (i == 1 && bonus_data != NULL) ? bonus_data->data.size() : 0;
+ // Note: expanded_len will include the bonus data size if the patch was constructed with
+ // bonus data. The deflation will come up 'bonus_size' bytes short; these must be appended
+ // from the bonus_data value.
+ size_t bonus_size = (i == 1 && bonus_data != nullptr) ? bonus_data->data.size() : 0;
std::vector<unsigned char> expanded_source(expanded_len);
@@ -288,7 +288,7 @@ int ApplyImagePatch(const unsigned char* old_data, size_t old_size, const Value&
inflateEnd(&strm);
if (bonus_size) {
- memcpy(expanded_source.data() + (expanded_len - bonus_size), &bonus_data->data[0],
+ memcpy(expanded_source.data() + (expanded_len - bonus_size), bonus_data->data.data(),
bonus_size);
}
}