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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 "sandbox/win/src/top_level_dispatcher.h" | 5 #include "sandbox/win/src/top_level_dispatcher.h" |
| 6 | 6 |
| 7 #include <stdint.h> | |
| 8 #include <string.h> | 7 #include <string.h> |
| 9 | 8 |
| 9 #include "base/basictypes.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "sandbox/win/src/crosscall_server.h" | 12 #include "sandbox/win/src/crosscall_server.h" |
| 13 #include "sandbox/win/src/filesystem_dispatcher.h" | 13 #include "sandbox/win/src/filesystem_dispatcher.h" |
| 14 #include "sandbox/win/src/handle_dispatcher.h" | 14 #include "sandbox/win/src/handle_dispatcher.h" |
| 15 #include "sandbox/win/src/interception.h" | 15 #include "sandbox/win/src/interception.h" |
| 16 #include "sandbox/win/src/internal_types.h" | 16 #include "sandbox/win/src/internal_types.h" |
| 17 #include "sandbox/win/src/ipc_tags.h" | 17 #include "sandbox/win/src/ipc_tags.h" |
| 18 #include "sandbox/win/src/named_pipe_dispatcher.h" | 18 #include "sandbox/win/src/named_pipe_dispatcher.h" |
| 19 #include "sandbox/win/src/process_mitigations_win32k_dispatcher.h" | 19 #include "sandbox/win/src/process_mitigations_win32k_dispatcher.h" |
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| 109 return dispatcher->SetupService(manager, service); | 109 return dispatcher->SetupService(manager, service); |
| 110 } | 110 } |
| 111 | 111 |
| 112 // We service IPC_PING_TAG message which is a way to test a round trip of the | 112 // We service IPC_PING_TAG message which is a way to test a round trip of the |
| 113 // IPC subsystem. We receive a integer cookie and we are expected to return the | 113 // IPC subsystem. We receive a integer cookie and we are expected to return the |
| 114 // cookie times two (or three) and the current tick count. | 114 // cookie times two (or three) and the current tick count. |
| 115 bool TopLevelDispatcher::Ping(IPCInfo* ipc, void* arg1) { | 115 bool TopLevelDispatcher::Ping(IPCInfo* ipc, void* arg1) { |
| 116 switch (ipc->ipc_tag) { | 116 switch (ipc->ipc_tag) { |
| 117 case IPC_PING1_TAG: { | 117 case IPC_PING1_TAG: { |
| 118 IPCInt ipc_int(arg1); | 118 IPCInt ipc_int(arg1); |
| 119 uint32_t cookie = ipc_int.As32Bit(); | 119 uint32 cookie = ipc_int.As32Bit(); |
| 120 ipc->return_info.extended_count = 2; | 120 ipc->return_info.extended_count = 2; |
| 121 ipc->return_info.extended[0].unsigned_int = ::GetTickCount(); | 121 ipc->return_info.extended[0].unsigned_int = ::GetTickCount(); |
| 122 ipc->return_info.extended[1].unsigned_int = 2 * cookie; | 122 ipc->return_info.extended[1].unsigned_int = 2 * cookie; |
| 123 return true; | 123 return true; |
| 124 } | 124 } |
| 125 case IPC_PING2_TAG: { | 125 case IPC_PING2_TAG: { |
| 126 CountedBuffer* io_buffer = reinterpret_cast<CountedBuffer*>(arg1); | 126 CountedBuffer* io_buffer = reinterpret_cast<CountedBuffer*>(arg1); |
| 127 if (sizeof(uint32_t) != io_buffer->Size()) | 127 if (sizeof(uint32) != io_buffer->Size()) |
| 128 return false; | 128 return false; |
| 129 | 129 |
| 130 uint32_t* cookie = reinterpret_cast<uint32_t*>(io_buffer->Buffer()); | 130 uint32* cookie = reinterpret_cast<uint32*>(io_buffer->Buffer()); |
| 131 *cookie = (*cookie) * 3; | 131 *cookie = (*cookie) * 3; |
| 132 return true; | 132 return true; |
| 133 } | 133 } |
| 134 default: | 134 default: |
| 135 return false; | 135 return false; |
| 136 } | 136 } |
| 137 } | 137 } |
| 138 | 138 |
| 139 Dispatcher* TopLevelDispatcher::GetDispatcher(int ipc_tag) { | 139 Dispatcher* TopLevelDispatcher::GetDispatcher(int ipc_tag) { |
| 140 if (ipc_tag >= IPC_LAST_TAG || ipc_tag <= IPC_UNUSED_TAG) | 140 if (ipc_tag >= IPC_LAST_TAG || ipc_tag <= IPC_UNUSED_TAG) |
| 141 return NULL; | 141 return NULL; |
| 142 | 142 |
| 143 return ipc_targets_[ipc_tag]; | 143 return ipc_targets_[ipc_tag]; |
| 144 } | 144 } |
| 145 | 145 |
| 146 } // namespace sandbox | 146 } // namespace sandbox |
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