// Copyright 2016 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. #if defined(_MSC_VER) #pragma warning(push) #pragma warning(disable:4065) #endif #include "content/common/render_frame_metadata.mojom-shared.h" #include #include "base/logging.h" #include "mojo/public/cpp/bindings/lib/validate_params.h" #include "mojo/public/cpp/bindings/lib/validation_context.h" #include "mojo/public/cpp/bindings/lib/validation_errors.h" #include "mojo/public/cpp/bindings/lib/validation_util.h" namespace content { namespace mojom { namespace internal { // static bool RenderFrameMetadata_Data::Validate( const void* data, mojo::internal::ValidationContext* validation_context) { if (!data) return true; if (!ValidateStructHeaderAndClaimMemory(data, validation_context)) return false; // NOTE: The memory backing |object| may be smaller than |sizeof(*object)| if // the message comes from an older version. const RenderFrameMetadata_Data* object = static_cast(data); static constexpr struct { uint32_t version; uint32_t num_bytes; } kVersionSizes[] = {{ 0, 72 }}; if (object->header_.version <= kVersionSizes[arraysize(kVersionSizes) - 1].version) { // Scan in reverse order to optimize for more recent versions. for (int i = arraysize(kVersionSizes) - 1; i >= 0; --i) { if (object->header_.version >= kVersionSizes[i].version) { if (object->header_.num_bytes == kVersionSizes[i].num_bytes) break; ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } } } else if (object->header_.num_bytes < kVersionSizes[arraysize(kVersionSizes) - 1].num_bytes) { ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } if (!mojo::internal::ValidateStruct(object->root_scroll_offset, validation_context)) return false; if (!mojo::internal::ValidatePointerNonNullable( object->selection, 4, validation_context)) { return false; } if (!mojo::internal::ValidateStruct(object->selection, validation_context)) return false; if (!mojo::internal::ValidatePointerNonNullable( object->viewport_size_in_pixels, 7, validation_context)) { return false; } if (!mojo::internal::ValidateStruct(object->viewport_size_in_pixels, validation_context)) return false; if (!mojo::internal::ValidateStruct(object->local_surface_id, validation_context)) return false; return true; } RenderFrameMetadata_Data::RenderFrameMetadata_Data() : header_({sizeof(*this), 0}) {} // static bool RenderFrameMetadataObserver_ReportAllFrameSubmissionsForTesting_Params_Data::Validate( const void* data, mojo::internal::ValidationContext* validation_context) { if (!data) return true; if (!ValidateStructHeaderAndClaimMemory(data, validation_context)) return false; // NOTE: The memory backing |object| may be smaller than |sizeof(*object)| if // the message comes from an older version. const RenderFrameMetadataObserver_ReportAllFrameSubmissionsForTesting_Params_Data* object = static_cast(data); static constexpr struct { uint32_t version; uint32_t num_bytes; } kVersionSizes[] = {{ 0, 16 }}; if (object->header_.version <= kVersionSizes[arraysize(kVersionSizes) - 1].version) { // Scan in reverse order to optimize for more recent versions. for (int i = arraysize(kVersionSizes) - 1; i >= 0; --i) { if (object->header_.version >= kVersionSizes[i].version) { if (object->header_.num_bytes == kVersionSizes[i].num_bytes) break; ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } } } else if (object->header_.num_bytes < kVersionSizes[arraysize(kVersionSizes) - 1].num_bytes) { ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } return true; } RenderFrameMetadataObserver_ReportAllFrameSubmissionsForTesting_Params_Data::RenderFrameMetadataObserver_ReportAllFrameSubmissionsForTesting_Params_Data() : header_({sizeof(*this), 0}) {} // static bool RenderFrameMetadataObserverClient_OnRenderFrameMetadataChanged_Params_Data::Validate( const void* data, mojo::internal::ValidationContext* validation_context) { if (!data) return true; if (!ValidateStructHeaderAndClaimMemory(data, validation_context)) return false; // NOTE: The memory backing |object| may be smaller than |sizeof(*object)| if // the message comes from an older version. const RenderFrameMetadataObserverClient_OnRenderFrameMetadataChanged_Params_Data* object = static_cast(data); static constexpr struct { uint32_t version; uint32_t num_bytes; } kVersionSizes[] = {{ 0, 24 }}; if (object->header_.version <= kVersionSizes[arraysize(kVersionSizes) - 1].version) { // Scan in reverse order to optimize for more recent versions. for (int i = arraysize(kVersionSizes) - 1; i >= 0; --i) { if (object->header_.version >= kVersionSizes[i].version) { if (object->header_.num_bytes == kVersionSizes[i].num_bytes) break; ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } } } else if (object->header_.num_bytes < kVersionSizes[arraysize(kVersionSizes) - 1].num_bytes) { ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } if (!mojo::internal::ValidatePointerNonNullable( object->metadata, 2, validation_context)) { return false; } if (!mojo::internal::ValidateStruct(object->metadata, validation_context)) return false; return true; } RenderFrameMetadataObserverClient_OnRenderFrameMetadataChanged_Params_Data::RenderFrameMetadataObserverClient_OnRenderFrameMetadataChanged_Params_Data() : header_({sizeof(*this), 0}) {} // static bool RenderFrameMetadataObserverClient_OnFrameSubmissionForTesting_Params_Data::Validate( const void* data, mojo::internal::ValidationContext* validation_context) { if (!data) return true; if (!ValidateStructHeaderAndClaimMemory(data, validation_context)) return false; // NOTE: The memory backing |object| may be smaller than |sizeof(*object)| if // the message comes from an older version. const RenderFrameMetadataObserverClient_OnFrameSubmissionForTesting_Params_Data* object = static_cast(data); static constexpr struct { uint32_t version; uint32_t num_bytes; } kVersionSizes[] = {{ 0, 16 }}; if (object->header_.version <= kVersionSizes[arraysize(kVersionSizes) - 1].version) { // Scan in reverse order to optimize for more recent versions. for (int i = arraysize(kVersionSizes) - 1; i >= 0; --i) { if (object->header_.version >= kVersionSizes[i].version) { if (object->header_.num_bytes == kVersionSizes[i].num_bytes) break; ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } } } else if (object->header_.num_bytes < kVersionSizes[arraysize(kVersionSizes) - 1].num_bytes) { ReportValidationError( validation_context, mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER); return false; } return true; } RenderFrameMetadataObserverClient_OnFrameSubmissionForTesting_Params_Data::RenderFrameMetadataObserverClient_OnFrameSubmissionForTesting_Params_Data() : header_({sizeof(*this), 0}) {} } // namespace internal } // namespace mojom } // namespace content #if defined(_MSC_VER) #pragma warning(pop) #endif