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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "mojo/public/cpp/bindings/lib/validation_util.h" | 5 #include "mojo/public/cpp/bindings/lib/validation_util.h" |
| 6 | 6 |
| 7 #include <stdint.h> | 7 #include <stdint.h> |
| 8 | 8 |
| 9 #include <limits> | 9 #include <limits> |
| 10 | 10 |
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| 61 // to. | 61 // to. |
| 62 if (!inlined && !validation_context->ClaimMemory(data, kUnionDataSize)) { | 62 if (!inlined && !validation_context->ClaimMemory(data, kUnionDataSize)) { |
| 63 ReportValidationError(validation_context, | 63 ReportValidationError(validation_context, |
| 64 VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE); | 64 VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE); |
| 65 return false; | 65 return false; |
| 66 } | 66 } |
| 67 | 67 |
| 68 return true; | 68 return true; |
| 69 } | 69 } |
| 70 | 70 |
| 71 bool ValidateMessageIsRequestWithoutResponse( | |
| 72 const Message* message, | |
| 73 ValidationContext* validation_context) { | |
| 74 if (message->has_flag(Message::kFlagIsResponse) || | |
| 75 message->has_flag(Message::kFlagExpectsResponse)) { | |
| 76 ReportValidationError(validation_context, | |
| 77 VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAGS); | |
| 78 return false; | |
| 79 } | |
| 80 return true; | |
| 81 } | |
| 82 | |
| 83 bool ValidateMessageIsRequestExpectingResponse( | |
| 84 const Message* message, | |
| 85 ValidationContext* validation_context) { | |
| 86 if (message->has_flag(Message::kFlagIsResponse) || | |
| 87 !message->has_flag(Message::kFlagExpectsResponse)) { | |
| 88 ReportValidationError(validation_context, | |
| 89 VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAGS); | |
| 90 return false; | |
| 91 } | |
| 92 return true; | |
| 93 } | |
| 94 | |
| 95 bool ValidateMessageIsResponse(const Message* message, | |
| 96 ValidationContext* validation_context) { | |
| 97 if (message->has_flag(Message::kFlagExpectsResponse) || | |
| 98 !message->has_flag(Message::kFlagIsResponse)) { | |
| 99 ReportValidationError(validation_context, | |
| 100 VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAGS); | |
| 101 return false; | |
| 102 } | |
| 103 return true; | |
| 104 } | |
| 105 | |
| 106 bool ValidateControlRequest(const Message* message, | 71 bool ValidateControlRequest(const Message* message, |
| 107 ValidationContext* validation_context) { | 72 ValidationContext* validation_context) { |
| 108 switch (message->header()->name) { | 73 switch (message->header()->name) { |
| 109 case kRunMessageId: | 74 case kRunMessageId: |
| 110 return ValidateMessageIsRequestExpectingResponse(message, | 75 return ValidateMessageIsRequestExpectingResponse(message, |
| 111 validation_context) && | 76 validation_context) && |
| 112 ValidateMessagePayload<RunMessageParams_Data>(message, | 77 ValidateMessagePayload<RunMessageParams_Data>(message, |
| 113 validation_context); | 78 validation_context); |
| 114 case kRunOrClosePipeMessageId: | 79 case kRunOrClosePipeMessageId: |
| 115 return ValidateMessageIsRequestWithoutResponse(message, | 80 return ValidateMessageIsRequestWithoutResponse(message, |
| 116 validation_context) && | 81 validation_context) && |
| 117 ValidateMessagePayload<RunOrClosePipeMessageParams_Data>( | 82 ValidateMessagePayload<RunOrClosePipeMessageParams_Data>( |
| 118 message, validation_context); | 83 message, validation_context); |
| 119 } | 84 } |
| 120 return false; | 85 return false; |
| 121 } | 86 } |
| 122 | 87 |
| 123 bool ValidateControlResponse(const Message* message, | 88 bool ValidateControlResponse(const Message* message, |
| 124 ValidationContext* validation_context) { | 89 ValidationContext* validation_context) { |
| 125 if (!ValidateMessageIsResponse(message, validation_context)) | 90 if (!ValidateMessageIsResponse(message, validation_context)) |
| 126 return false; | 91 return false; |
| 127 switch (message->header()->name) { | 92 switch (message->header()->name) { |
| 128 case kRunMessageId: | 93 case kRunMessageId: |
| 129 return ValidateMessagePayload<RunResponseMessageParams_Data>( | 94 return ValidateMessagePayload<RunResponseMessageParams_Data>( |
| 130 message, validation_context); | 95 message, validation_context); |
| 131 } | 96 } |
| 132 return false; | 97 return false; |
| 133 } | 98 } |
| 134 | 99 |
| 135 bool IsHandleOrInterfaceValid(const AssociatedInterface_Data& input) { | |
| 136 return IsValidInterfaceId(input.interface_id); | |
| 137 } | |
| 138 | |
| 139 bool IsHandleOrInterfaceValid(const AssociatedInterfaceRequest_Data& input) { | |
| 140 return IsValidInterfaceId(input.interface_id); | |
| 141 } | |
| 142 | |
| 143 bool IsHandleOrInterfaceValid(const Interface_Data& input) { | |
| 144 return input.handle.is_valid(); | |
| 145 } | |
| 146 | |
| 147 bool IsHandleOrInterfaceValid(const Handle_Data& input) { | |
| 148 return input.is_valid(); | |
| 149 } | |
| 150 | |
| 151 bool ValidateHandleOrInterfaceNonNullable( | |
| 152 const AssociatedInterface_Data& input, | |
| 153 const char* error_message, | |
| 154 ValidationContext* validation_context) { | |
| 155 if (IsHandleOrInterfaceValid(input)) | |
| 156 return true; | |
| 157 | |
| 158 ReportValidationError(validation_context, | |
| 159 VALIDATION_ERROR_UNEXPECTED_INVALID_INTERFACE_ID, | |
| 160 error_message); | |
| 161 return false; | |
| 162 } | |
| 163 | |
| 164 bool ValidateHandleOrInterfaceNonNullable( | |
| 165 const AssociatedInterfaceRequest_Data& input, | |
| 166 const char* error_message, | |
| 167 ValidationContext* validation_context) { | |
| 168 if (IsHandleOrInterfaceValid(input)) | |
| 169 return true; | |
| 170 | |
| 171 ReportValidationError(validation_context, | |
| 172 VALIDATION_ERROR_UNEXPECTED_INVALID_INTERFACE_ID, | |
| 173 error_message); | |
| 174 return false; | |
| 175 } | |
| 176 | |
| 177 bool ValidateHandleOrInterfaceNonNullable( | |
| 178 const Interface_Data& input, | |
| 179 const char* error_message, | |
| 180 ValidationContext* validation_context) { | |
| 181 if (IsHandleOrInterfaceValid(input)) | |
| 182 return true; | |
| 183 | |
| 184 ReportValidationError(validation_context, | |
| 185 VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE, | |
| 186 error_message); | |
| 187 return false; | |
| 188 } | |
| 189 | |
| 190 bool ValidateHandleOrInterfaceNonNullable( | |
| 191 const Handle_Data& input, | |
| 192 const char* error_message, | |
| 193 ValidationContext* validation_context) { | |
| 194 if (IsHandleOrInterfaceValid(input)) | |
| 195 return true; | |
| 196 | |
| 197 ReportValidationError(validation_context, | |
| 198 VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE, | |
| 199 error_message); | |
| 200 return false; | |
| 201 } | |
| 202 | |
| 203 bool ValidateHandleOrInterface(const AssociatedInterface_Data& input, | |
| 204 ValidationContext* validation_context) { | |
| 205 if (!IsMasterInterfaceId(input.interface_id)) | |
| 206 return true; | |
| 207 | |
| 208 ReportValidationError(validation_context, | |
| 209 VALIDATION_ERROR_ILLEGAL_INTERFACE_ID); | |
| 210 return false; | |
| 211 } | |
| 212 | |
| 213 bool ValidateHandleOrInterface(const AssociatedInterfaceRequest_Data& input, | |
| 214 ValidationContext* validation_context) { | |
| 215 if (!IsMasterInterfaceId(input.interface_id)) | |
| 216 return true; | |
| 217 | |
| 218 ReportValidationError(validation_context, | |
| 219 VALIDATION_ERROR_ILLEGAL_INTERFACE_ID); | |
| 220 return false; | |
| 221 } | |
| 222 | |
| 223 bool ValidateHandleOrInterface(const Interface_Data& input, | |
| 224 ValidationContext* validation_context) { | |
| 225 if (validation_context->ClaimHandle(input.handle)) | |
| 226 return true; | |
| 227 | |
| 228 ReportValidationError(validation_context, VALIDATION_ERROR_ILLEGAL_HANDLE); | |
| 229 return false; | |
| 230 } | |
| 231 | |
| 232 bool ValidateHandleOrInterface(const Handle_Data& input, | |
| 233 ValidationContext* validation_context) { | |
| 234 if (validation_context->ClaimHandle(input)) | |
| 235 return true; | |
| 236 | |
| 237 ReportValidationError(validation_context, VALIDATION_ERROR_ILLEGAL_HANDLE); | |
| 238 return false; | |
| 239 } | |
| 240 | |
| 241 } // namespace internal | 100 } // namespace internal |
| 242 } // namespace mojo | 101 } // namespace mojo |
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