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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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