|  | // Copyright 2013 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | // Defines messages between the browser and NaCl process. | 
|  |  | 
|  | // Multiply-included message file, no traditional include guard. | 
|  |  | 
|  | #include <stdint.h> | 
|  |  | 
|  | #include "base/process/process.h" | 
|  | #include "build/build_config.h" | 
|  | #include "components/nacl/common/nacl_types.h" | 
|  | #include "components/nacl/common/nacl_types_param_traits.h" | 
|  | #include "ipc/ipc_channel_handle.h" | 
|  | #include "ipc/ipc_message_macros.h" | 
|  | #include "ipc/ipc_platform_file.h" | 
|  |  | 
|  | #define IPC_MESSAGE_START NaClMsgStart | 
|  |  | 
|  | IPC_STRUCT_TRAITS_BEGIN(nacl::NaClStartParams) | 
|  | IPC_STRUCT_TRAITS_MEMBER(nexe_file) | 
|  | IPC_STRUCT_TRAITS_MEMBER(nexe_file_path_metadata) | 
|  | IPC_STRUCT_TRAITS_MEMBER(irt_handle) | 
|  | #if defined(OS_POSIX) | 
|  | IPC_STRUCT_TRAITS_MEMBER(debug_stub_server_bound_socket) | 
|  | #endif | 
|  | #if defined(OS_LINUX) || defined(OS_NACL_NONSFI) | 
|  | IPC_STRUCT_TRAITS_MEMBER(ppapi_browser_channel_handle) | 
|  | IPC_STRUCT_TRAITS_MEMBER(ppapi_renderer_channel_handle) | 
|  | IPC_STRUCT_TRAITS_MEMBER(trusted_service_channel_handle) | 
|  | IPC_STRUCT_TRAITS_MEMBER(manifest_service_channel_handle) | 
|  | #endif | 
|  | IPC_STRUCT_TRAITS_MEMBER(validation_cache_enabled) | 
|  | IPC_STRUCT_TRAITS_MEMBER(validation_cache_key) | 
|  | IPC_STRUCT_TRAITS_MEMBER(version) | 
|  | IPC_STRUCT_TRAITS_MEMBER(enable_debug_stub) | 
|  | IPC_STRUCT_TRAITS_MEMBER(process_type) | 
|  | IPC_STRUCT_TRAITS_MEMBER(crash_info_shmem_handle) | 
|  | IPC_STRUCT_TRAITS_END() | 
|  |  | 
|  | IPC_STRUCT_TRAITS_BEGIN(nacl::NaClResourcePrefetchResult) | 
|  | IPC_STRUCT_TRAITS_MEMBER(file) | 
|  | IPC_STRUCT_TRAITS_MEMBER(file_path_metadata) | 
|  | IPC_STRUCT_TRAITS_MEMBER(file_key) | 
|  | IPC_STRUCT_TRAITS_END() | 
|  |  | 
|  | //----------------------------------------------------------------------------- | 
|  | // NaClProcess messages | 
|  | // These are messages sent between the browser and the NaCl process. | 
|  |  | 
|  | // Sends a prefetched resource file to a NaCl loader process. This message | 
|  | // can be sent multiple times, but all of them must be done before sending | 
|  | // NaClProcessMsg_Start. | 
|  | IPC_MESSAGE_CONTROL1(NaClProcessMsg_AddPrefetchedResource, | 
|  | nacl::NaClResourcePrefetchResult) | 
|  |  | 
|  | // Tells the NaCl process to start. This message can be sent only once. | 
|  | IPC_MESSAGE_CONTROL1(NaClProcessMsg_Start, | 
|  | nacl::NaClStartParams /* params */) | 
|  |  | 
|  | #if defined(OS_WIN) | 
|  | // Tells the NaCl broker to launch a NaCl loader process. | 
|  | IPC_MESSAGE_CONTROL1(NaClProcessMsg_LaunchLoaderThroughBroker, | 
|  | std::string /* channel ID for the loader */) | 
|  |  | 
|  | // Notify the browser process that the loader was launched successfully. | 
|  | IPC_MESSAGE_CONTROL2(NaClProcessMsg_LoaderLaunched, | 
|  | std::string,  /* channel ID for the loader */ | 
|  | base::ProcessHandle /* loader process handle */) | 
|  |  | 
|  | // Tells the NaCl broker to attach a debug exception handler to the | 
|  | // given NaCl loader process. | 
|  | IPC_MESSAGE_CONTROL3(NaClProcessMsg_LaunchDebugExceptionHandler, | 
|  | int32_t /* pid of the NaCl process */, | 
|  | base::ProcessHandle /* handle of the NaCl process */, | 
|  | std::string /* NaCl internal process layout info */) | 
|  |  | 
|  | // Notify the browser process that the broker process finished | 
|  | // attaching a debug exception handler to the given NaCl loader | 
|  | // process. | 
|  | IPC_MESSAGE_CONTROL2(NaClProcessMsg_DebugExceptionHandlerLaunched, | 
|  | int32_t /* pid */, | 
|  | bool /* success */) | 
|  |  | 
|  | // Notify the broker that all loader processes have been terminated and it | 
|  | // should shutdown. | 
|  | IPC_MESSAGE_CONTROL0(NaClProcessMsg_StopBroker) | 
|  |  | 
|  | // Used by the NaCl process to request that a Windows debug exception | 
|  | // handler be attached to it. | 
|  | IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_AttachDebugExceptionHandler, | 
|  | std::string, /* Internal process info */ | 
|  | bool /* Result */) | 
|  |  | 
|  | // Notify the browser process that the NaCl process has bound the given | 
|  | // TCP port number to use for the GDB debug stub. | 
|  | IPC_MESSAGE_CONTROL1(NaClProcessHostMsg_DebugStubPortSelected, | 
|  | uint16_t /* debug_stub_port */) | 
|  | #endif | 
|  |  | 
|  | // Used by the NaCl process to query a database in the browser.  The database | 
|  | // contains the signatures of previously validated code chunks. | 
|  | IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_QueryKnownToValidate, | 
|  | std::string, /* A validation signature */ | 
|  | bool /* Can validation be skipped? */) | 
|  |  | 
|  | // Used by the NaCl process to add a validation signature to the validation | 
|  | // database in the browser. | 
|  | IPC_MESSAGE_CONTROL1(NaClProcessMsg_SetKnownToValidate, | 
|  | std::string /* A validation signature */) | 
|  |  | 
|  | // Used by the NaCl process to acquire trusted information about a file directly | 
|  | // from the browser, including the file's path as well as a fresh version of the | 
|  | // file handle. | 
|  | IPC_MESSAGE_CONTROL2(NaClProcessMsg_ResolveFileToken, | 
|  | uint64_t, /* file_token_lo */ | 
|  | uint64_t /* file_token_hi */) | 
|  | IPC_MESSAGE_CONTROL4(NaClProcessMsg_ResolveFileTokenReply, | 
|  | uint64_t,                    /* file_token_lo */ | 
|  | uint64_t,                    /* file_token_hi */ | 
|  | IPC::PlatformFileForTransit, /* fd */ | 
|  | base::FilePath /* Path opened to get fd */) | 
|  |  | 
|  | // Notify the browser process that the server side of the PPAPI channel was | 
|  | // created successfully. | 
|  | // This is used for SFI mode only. Non-SFI mode passes channel handles in | 
|  | // NaClStartParams instead. | 
|  | IPC_MESSAGE_CONTROL4(NaClProcessHostMsg_PpapiChannelsCreated, | 
|  | IPC::ChannelHandle, /* browser_channel_handle */ | 
|  | IPC::ChannelHandle, /* ppapi_renderer_channel_handle */ | 
|  | IPC::ChannelHandle, /* trusted_renderer_channel_handle */ | 
|  | IPC::ChannelHandle /* manifest_service_channel_handle */) |