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 3 // found in the LICENSE file. 4 5 // Defines messages between the browser and NaCl process. 6 7 // Multiply-included message file, no traditional include guard. 8 #include "base/process/process.h" 9 #include "components/nacl/common/nacl_types.h" 10 #include "ipc/ipc_channel_handle.h" 11 #include "ipc/ipc_message_macros.h" 12 #include "ipc/ipc_platform_file.h" 13 14 #define IPC_MESSAGE_START NaClMsgStart 15 16 IPC_STRUCT_TRAITS_BEGIN(nacl::NaClStartParams) 17 IPC_STRUCT_TRAITS_MEMBER(handles) 18 IPC_STRUCT_TRAITS_MEMBER(debug_stub_server_bound_socket) 19 IPC_STRUCT_TRAITS_MEMBER(validation_cache_enabled) 20 IPC_STRUCT_TRAITS_MEMBER(validation_cache_key) 21 IPC_STRUCT_TRAITS_MEMBER(version) 22 IPC_STRUCT_TRAITS_MEMBER(enable_exception_handling) 23 IPC_STRUCT_TRAITS_MEMBER(enable_debug_stub) 24 IPC_STRUCT_TRAITS_MEMBER(enable_ipc_proxy) 25 IPC_STRUCT_TRAITS_MEMBER(uses_irt) 26 IPC_STRUCT_TRAITS_MEMBER(enable_dyncode_syscalls) 27 IPC_STRUCT_TRAITS_END() 28 29 //----------------------------------------------------------------------------- 30 // NaClProcess messages 31 // These are messages sent between the browser and the NaCl process. 32 // Tells the NaCl process to start. 33 IPC_MESSAGE_CONTROL1(NaClProcessMsg_Start, 34 nacl::NaClStartParams /* params */) 35 36 #if defined(OS_WIN) 37 // Tells the NaCl broker to launch a NaCl loader process. 38 IPC_MESSAGE_CONTROL1(NaClProcessMsg_LaunchLoaderThroughBroker, 39 std::string /* channel ID for the loader */) 40 41 // Notify the browser process that the loader was launched successfully. 42 IPC_MESSAGE_CONTROL2(NaClProcessMsg_LoaderLaunched, 43 std::string, /* channel ID for the loader */ 44 base::ProcessHandle /* loader process handle */) 45 46 // Tells the NaCl broker to attach a debug exception handler to the 47 // given NaCl loader process. 48 IPC_MESSAGE_CONTROL3(NaClProcessMsg_LaunchDebugExceptionHandler, 49 int32 /* pid of the NaCl process */, 50 base::ProcessHandle /* handle of the NaCl process */, 51 std::string /* NaCl internal process layout info */) 52 53 // Notify the browser process that the broker process finished 54 // attaching a debug exception handler to the given NaCl loader 55 // process. 56 IPC_MESSAGE_CONTROL2(NaClProcessMsg_DebugExceptionHandlerLaunched, 57 int32 /* pid */, 58 bool /* success */) 59 60 // Notify the broker that all loader processes have been terminated and it 61 // should shutdown. 62 IPC_MESSAGE_CONTROL0(NaClProcessMsg_StopBroker) 63 64 // Used by the NaCl process to request that a Windows debug exception 65 // handler be attached to it. 66 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_AttachDebugExceptionHandler, 67 std::string, /* Internal process info */ 68 bool /* Result */) 69 #endif 70 71 // Used by the NaCl process to query a database in the browser. The database 72 // contains the signatures of previously validated code chunks. 73 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_QueryKnownToValidate, 74 std::string, /* A validation signature */ 75 bool /* Can validation be skipped? */) 76 77 // Used by the NaCl process to add a validation signature to the validation 78 // database in the browser. 79 IPC_MESSAGE_CONTROL1(NaClProcessMsg_SetKnownToValidate, 80 std::string /* A validation signature */) 81 82 // Used by the NaCl process to acquire trusted information about a file directly 83 // from the browser, including the file's path as well as a fresh version of the 84 // file handle. 85 IPC_SYNC_MESSAGE_CONTROL2_2(NaClProcessMsg_ResolveFileToken, 86 uint64, /* file_token_lo */ 87 uint64, /* file_token_hi */ 88 IPC::PlatformFileForTransit, /* fd */ 89 base::FilePath /* Path opened to get fd */) 90 91 // Notify the browser process that the server side of the PPAPI channel was 92 // created successfully. 93 IPC_MESSAGE_CONTROL1(NaClProcessHostMsg_PpapiChannelCreated, 94 IPC::ChannelHandle /* channel_handle */) 95