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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #ifndef COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_ | 5 #ifndef COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_ |
6 #define COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_ | 6 #define COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_ |
7 | 7 |
| 8 #include <stddef.h> |
| 9 |
8 #include <map> | 10 #include <map> |
9 #include <queue> | 11 #include <queue> |
10 #include <string> | 12 #include <string> |
11 #include <vector> | 13 #include <vector> |
12 | 14 |
13 #include "base/basictypes.h" | |
14 #include "base/callback.h" | 15 #include "base/callback.h" |
15 #include "base/files/scoped_file.h" | 16 #include "base/files/scoped_file.h" |
| 17 #include "base/macros.h" |
16 #include "base/memory/ref_counted.h" | 18 #include "base/memory/ref_counted.h" |
17 #include "base/memory/scoped_ptr.h" | 19 #include "base/memory/scoped_ptr.h" |
18 #include "base/pickle.h" | 20 #include "base/pickle.h" |
19 #include "base/synchronization/condition_variable.h" | 21 #include "base/synchronization/condition_variable.h" |
20 #include "base/synchronization/lock.h" | 22 #include "base/synchronization/lock.h" |
21 #include "base/task_runner.h" | 23 #include "base/task_runner.h" |
| 24 #include "build/build_config.h" |
22 #include "ipc/ipc_listener.h" | 25 #include "ipc/ipc_listener.h" |
23 #include "ipc/ipc_platform_file.h" | 26 #include "ipc/ipc_platform_file.h" |
24 #include "ppapi/c/pp_stdint.h" | 27 #include "ppapi/c/pp_stdint.h" |
25 #include "ppapi/proxy/nacl_message_scanner.h" | 28 #include "ppapi/proxy/nacl_message_scanner.h" |
26 | 29 |
27 struct NaClDesc; | 30 struct NaClDesc; |
28 struct NaClImcTypedMsgHdr; | 31 struct NaClImcTypedMsgHdr; |
29 struct PP_Size; | 32 struct PP_Size; |
30 | 33 |
31 namespace IPC { | 34 namespace IPC { |
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55 class NaClIPCAdapter : public base::RefCountedThreadSafe<NaClIPCAdapter>, | 58 class NaClIPCAdapter : public base::RefCountedThreadSafe<NaClIPCAdapter>, |
56 public IPC::Listener { | 59 public IPC::Listener { |
57 public: | 60 public: |
58 // Chrome's IPC message format varies by platform, NaCl's does not. In | 61 // Chrome's IPC message format varies by platform, NaCl's does not. In |
59 // particular, the header has some extra fields on Posix platforms. Since | 62 // particular, the header has some extra fields on Posix platforms. Since |
60 // NaCl is a Posix environment, it gets that version of the header. This | 63 // NaCl is a Posix environment, it gets that version of the header. This |
61 // header is duplicated here so we have a cross-platform definition of the | 64 // header is duplicated here so we have a cross-platform definition of the |
62 // header we're exposing to NaCl. | 65 // header we're exposing to NaCl. |
63 #pragma pack(push, 4) | 66 #pragma pack(push, 4) |
64 struct NaClMessageHeader : public base::Pickle::Header { | 67 struct NaClMessageHeader : public base::Pickle::Header { |
65 int32 routing; | 68 int32_t routing; |
66 uint32 type; | 69 uint32_t type; |
67 uint32 flags; | 70 uint32_t flags; |
68 uint16 num_fds; | 71 uint16_t num_fds; |
69 uint16 pad; | 72 uint16_t pad; |
70 }; | 73 }; |
71 #pragma pack(pop) | 74 #pragma pack(pop) |
72 | 75 |
73 typedef base::Callback<void(IPC::PlatformFileForTransit, base::FilePath)> | 76 typedef base::Callback<void(IPC::PlatformFileForTransit, base::FilePath)> |
74 ResolveFileTokenReplyCallback; | 77 ResolveFileTokenReplyCallback; |
75 | 78 |
76 typedef base::Callback<void(uint64_t, // file_token_lo | 79 typedef base::Callback<void(uint64_t, // file_token_lo |
77 uint64_t, // file_token_hi | 80 uint64_t, // file_token_hi |
78 ResolveFileTokenReplyCallback)> | 81 ResolveFileTokenReplyCallback)> |
79 ResolveFileTokenCallback; | 82 ResolveFileTokenCallback; |
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132 // Make a NaClDesc that refers to this NaClIPCAdapter. Note that the returned | 135 // Make a NaClDesc that refers to this NaClIPCAdapter. Note that the returned |
133 // NaClDesc is reference-counted, and a reference is returned. | 136 // NaClDesc is reference-counted, and a reference is returned. |
134 NaClDesc* MakeNaClDesc(); | 137 NaClDesc* MakeNaClDesc(); |
135 | 138 |
136 #if defined(OS_POSIX) | 139 #if defined(OS_POSIX) |
137 base::ScopedFD TakeClientFileDescriptor(); | 140 base::ScopedFD TakeClientFileDescriptor(); |
138 #endif | 141 #endif |
139 | 142 |
140 // Listener implementation. | 143 // Listener implementation. |
141 bool OnMessageReceived(const IPC::Message& message) override; | 144 bool OnMessageReceived(const IPC::Message& message) override; |
142 void OnChannelConnected(int32 peer_pid) override; | 145 void OnChannelConnected(int32_t peer_pid) override; |
143 void OnChannelError() override; | 146 void OnChannelError() override; |
144 | 147 |
145 private: | 148 private: |
146 friend class base::RefCountedThreadSafe<NaClIPCAdapter>; | 149 friend class base::RefCountedThreadSafe<NaClIPCAdapter>; |
147 | 150 |
148 class RewrittenMessage; | 151 class RewrittenMessage; |
149 | 152 |
150 // This is the data that must only be accessed inside the lock. This struct | 153 // This is the data that must only be accessed inside the lock. This struct |
151 // just separates it so it's easier to see. | 154 // just separates it so it's easier to see. |
152 struct LockedData { | 155 struct LockedData { |
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175 // by TaskRunner). This struct just separates it so it's easier to see. | 178 // by TaskRunner). This struct just separates it so it's easier to see. |
176 struct IOThreadData { | 179 struct IOThreadData { |
177 IOThreadData(); | 180 IOThreadData(); |
178 ~IOThreadData(); | 181 ~IOThreadData(); |
179 | 182 |
180 scoped_ptr<IPC::Channel> channel_; | 183 scoped_ptr<IPC::Channel> channel_; |
181 | 184 |
182 // When we send a synchronous message (from untrusted to trusted), we store | 185 // When we send a synchronous message (from untrusted to trusted), we store |
183 // its type here, so that later we can associate the reply with its type | 186 // its type here, so that later we can associate the reply with its type |
184 // for scanning. | 187 // for scanning. |
185 typedef std::map<int, uint32> PendingSyncMsgMap; | 188 typedef std::map<int, uint32_t> PendingSyncMsgMap; |
186 PendingSyncMsgMap pending_sync_msgs_; | 189 PendingSyncMsgMap pending_sync_msgs_; |
187 }; | 190 }; |
188 | 191 |
189 ~NaClIPCAdapter() override; | 192 ~NaClIPCAdapter() override; |
190 | 193 |
191 void SaveOpenResourceMessage(const IPC::Message& orig_msg, | 194 void SaveOpenResourceMessage(const IPC::Message& orig_msg, |
192 IPC::PlatformFileForTransit ipc_fd, | 195 IPC::PlatformFileForTransit ipc_fd, |
193 base::FilePath file_path); | 196 base::FilePath file_path); |
194 | 197 |
195 bool RewriteMessage(const IPC::Message& msg, uint32_t type); | 198 bool RewriteMessage(const IPC::Message& msg, uint32_t type); |
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228 // To be accessed on the I/O thread (via task runner) only. | 231 // To be accessed on the I/O thread (via task runner) only. |
229 IOThreadData io_thread_data_; | 232 IOThreadData io_thread_data_; |
230 | 233 |
231 DISALLOW_COPY_AND_ASSIGN(NaClIPCAdapter); | 234 DISALLOW_COPY_AND_ASSIGN(NaClIPCAdapter); |
232 }; | 235 }; |
233 | 236 |
234 // Export TranslatePepperFileReadWriteOpenFlags for testing. | 237 // Export TranslatePepperFileReadWriteOpenFlags for testing. |
235 int TranslatePepperFileReadWriteOpenFlagsForTesting(int32_t pp_open_flags); | 238 int TranslatePepperFileReadWriteOpenFlagsForTesting(int32_t pp_open_flags); |
236 | 239 |
237 #endif // COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_ | 240 #endif // COMPONENTS_NACL_LOADER_NACL_IPC_ADAPTER_H_ |
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