Move //mojo/{public, edk} underneath //third_party

mojo/public/cpp/bindings/lib/message_header_validator.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "mojo/public/cpp/bindings/lib/message_header_validator.h"
-
-#include "mojo/public/cpp/bindings/lib/bindings_serialization.h"
-#include "mojo/public/cpp/bindings/lib/bounds_checker.h"
-#include "mojo/public/cpp/bindings/lib/validation_errors.h"
-
-namespace mojo {
-namespace internal {
-namespace {
-
-bool IsValidMessageHeader(const MessageHeader* header) {
-  // NOTE: Our goal is to preserve support for future extension of the message
-  // header. If we encounter fields we do not understand, we must ignore them.
-
-  // Extra validation of the struct header:
-  if (header->num_fields == 2) {
-    if (header->num_bytes != sizeof(MessageHeader)) {
-      ReportValidationError(VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER);
-      return false;
-    }
-  } else if (header->num_fields == 3) {
-    if (header->num_bytes != sizeof(MessageHeaderWithRequestID)) {
-      ReportValidationError(VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER);
-      return false;
-    }
-  } else if (header->num_fields > 3) {
-    if (header->num_bytes < sizeof(MessageHeaderWithRequestID)) {
-      ReportValidationError(VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER);
-      return false;
-    }
-  }
-
-  // Validate flags (allow unknown bits):
-
-  // These flags require a RequestID.
-  if (header->num_fields < 3 && ((header->flags & kMessageExpectsResponse) ||
-                                 (header->flags & kMessageIsResponse))) {
-    ReportValidationError(VALIDATION_ERROR_MESSAGE_HEADER_MISSING_REQUEST_ID);
-    return false;
-  }
-
-  // These flags are mutually exclusive.
-  if ((header->flags & kMessageExpectsResponse) &&
-      (header->flags & kMessageIsResponse)) {
-    ReportValidationError(
-        VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAG_COMBINATION);
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace
-
-MessageHeaderValidator::MessageHeaderValidator(MessageReceiver* sink)
-    : MessageFilter(sink) {
-}
-
-bool MessageHeaderValidator::Accept(Message* message) {
-  // Pass 0 as number of handles because we don't expect any in the header, even
-  // if |message| contains handles.
-  BoundsChecker bounds_checker(message->data(), message->data_num_bytes(), 0);
-
-  if (!ValidateStructHeader(
-          message->data(), sizeof(MessageHeader), 2, &bounds_checker)) {
-    return false;
-  }
-
-  if (!IsValidMessageHeader(message->header()))
-    return false;
-
-  return sink_->Accept(message);
-}
-
-}  // namespace internal
-}  // namespace mojo