Verify hashes of source copy blocks at install time
In VABC, all copy ops are performed upfront without actually verifying
the hash. This CL adds the missing hash checks.
Test: th
Bug: 223471136
Change-Id: I1ec7ddee3122c9614484b2d8b7e9f38128428080
diff --git a/payload_consumer/partition_writer.cc b/payload_consumer/partition_writer.cc
index b94f8c7..1fb929e 100644
--- a/payload_consumer/partition_writer.cc
+++ b/payload_consumer/partition_writer.cc
@@ -295,6 +295,16 @@
return std::make_unique<DirectExtentWriter>(target_fd_);
}
+bool PartitionWriter::ValidateSourceHash(const InstallOperation& operation,
+ const FileDescriptorPtr source_fd,
+ size_t block_size,
+ ErrorCode* error) {
+ brillo::Blob source_hash;
+ TEST_AND_RETURN_FALSE_ERRNO(fd_utils::ReadAndHashExtents(
+ source_fd, operation.src_extents(), block_size, &source_hash));
+ return ValidateSourceHash(source_hash, operation, source_fd, error);
+}
+
bool PartitionWriter::ValidateSourceHash(const brillo::Blob& calculated_hash,
const InstallOperation& operation,
const FileDescriptorPtr source_fd,