97 lines
2.9 KiB
C++
Executable File
97 lines
2.9 KiB
C++
Executable File
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#if defined(_MSC_VER)
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#pragma warning(push)
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#pragma warning(disable:4065)
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#endif
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#include "content/common/widget.mojom-shared.h"
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#include <utility>
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#include "base/logging.h"
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#include "mojo/public/cpp/bindings/lib/validate_params.h"
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#include "mojo/public/cpp/bindings/lib/validation_context.h"
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#include "mojo/public/cpp/bindings/lib/validation_errors.h"
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#include "mojo/public/cpp/bindings/lib/validation_util.h"
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namespace content {
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namespace mojom {
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namespace internal {
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// static
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bool Widget_SetupWidgetInputHandler_Params_Data::Validate(
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const void* data,
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mojo::internal::ValidationContext* validation_context) {
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if (!data)
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return true;
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if (!ValidateStructHeaderAndClaimMemory(data, validation_context))
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return false;
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// NOTE: The memory backing |object| may be smaller than |sizeof(*object)| if
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// the message comes from an older version.
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const Widget_SetupWidgetInputHandler_Params_Data* object = static_cast<const Widget_SetupWidgetInputHandler_Params_Data*>(data);
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static constexpr struct {
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uint32_t version;
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uint32_t num_bytes;
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} kVersionSizes[] = {{ 0, 24 }};
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if (object->header_.version <=
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kVersionSizes[arraysize(kVersionSizes) - 1].version) {
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// Scan in reverse order to optimize for more recent versions.
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for (int i = arraysize(kVersionSizes) - 1; i >= 0; --i) {
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if (object->header_.version >= kVersionSizes[i].version) {
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if (object->header_.num_bytes == kVersionSizes[i].num_bytes)
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break;
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ReportValidationError(
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validation_context,
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mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER);
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return false;
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}
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}
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} else if (object->header_.num_bytes <
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kVersionSizes[arraysize(kVersionSizes) - 1].num_bytes) {
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ReportValidationError(
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validation_context,
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mojo::internal::VALIDATION_ERROR_UNEXPECTED_STRUCT_HEADER);
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return false;
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}
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if (!mojo::internal::ValidateHandleOrInterfaceNonNullable(
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object->request, 1, validation_context)) {
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return false;
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}
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if (!mojo::internal::ValidateHandleOrInterface(object->request,
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validation_context)) {
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return false;
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}
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if (!mojo::internal::ValidateHandleOrInterfaceNonNullable(
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object->host, 2, validation_context)) {
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return false;
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}
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if (!mojo::internal::ValidateHandleOrInterface(object->host,
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validation_context)) {
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return false;
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}
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return true;
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}
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Widget_SetupWidgetInputHandler_Params_Data::Widget_SetupWidgetInputHandler_Params_Data()
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: header_({sizeof(*this), 0}) {}
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} // namespace internal
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} // namespace mojom
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} // namespace content
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif
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