src/components/nacl/common/nacl_messages.h

   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(nexe_file)
  18   IPC_STRUCT_TRAITS_MEMBER(nexe_token_lo)
  19   IPC_STRUCT_TRAITS_MEMBER(nexe_token_hi)
  20   IPC_STRUCT_TRAITS_MEMBER(handles)
  21   IPC_STRUCT_TRAITS_MEMBER(debug_stub_server_bound_socket)
  22   IPC_STRUCT_TRAITS_MEMBER(validation_cache_enabled)
  23   IPC_STRUCT_TRAITS_MEMBER(validation_cache_key)
  24   IPC_STRUCT_TRAITS_MEMBER(version)
  25   IPC_STRUCT_TRAITS_MEMBER(enable_exception_handling)
  26   IPC_STRUCT_TRAITS_MEMBER(enable_debug_stub)
  27   IPC_STRUCT_TRAITS_MEMBER(enable_ipc_proxy)
  28   IPC_STRUCT_TRAITS_MEMBER(uses_irt)
  29   IPC_STRUCT_TRAITS_MEMBER(enable_dyncode_syscalls)
  30 IPC_STRUCT_TRAITS_END()
  31
  32 //-----------------------------------------------------------------------------
  33 // NaClProcess messages
  34 // These are messages sent between the browser and the NaCl process.
  35 // Tells the NaCl process to start.
  36 IPC_MESSAGE_CONTROL1(NaClProcessMsg_Start,
  37                      nacl::NaClStartParams /* params */)
  38
  39 #if defined(OS_WIN)
  40 // Tells the NaCl broker to launch a NaCl loader process.
  41 IPC_MESSAGE_CONTROL1(NaClProcessMsg_LaunchLoaderThroughBroker,
  42                      std::string /* channel ID for the loader */)
  43
  44 // Notify the browser process that the loader was launched successfully.
  45 IPC_MESSAGE_CONTROL2(NaClProcessMsg_LoaderLaunched,
  46                      std::string,  /* channel ID for the loader */
  47                      base::ProcessHandle /* loader process handle */)
  48
  49 // Tells the NaCl broker to attach a debug exception handler to the
  50 // given NaCl loader process.
  51 IPC_MESSAGE_CONTROL3(NaClProcessMsg_LaunchDebugExceptionHandler,
  52                      int32 /* pid of the NaCl process */,
  53                      base::ProcessHandle /* handle of the NaCl process */,
  54                      std::string /* NaCl internal process layout info */)
  55
  56 // Notify the browser process that the broker process finished
  57 // attaching a debug exception handler to the given NaCl loader
  58 // process.
  59 IPC_MESSAGE_CONTROL2(NaClProcessMsg_DebugExceptionHandlerLaunched,
  60                      int32 /* pid */,
  61                      bool /* success */)
  62
  63 // Notify the broker that all loader processes have been terminated and it
  64 // should shutdown.
  65 IPC_MESSAGE_CONTROL0(NaClProcessMsg_StopBroker)
  66
  67 // Used by the NaCl process to request that a Windows debug exception
  68 // handler be attached to it.
  69 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_AttachDebugExceptionHandler,
  70                             std::string, /* Internal process info */
  71                             bool /* Result */)
  72
  73 // Notify the browser process that the NaCl process has bound the given
  74 // TCP port number to use for the GDB debug stub.
  75 IPC_MESSAGE_CONTROL1(NaClProcessHostMsg_DebugStubPortSelected,
  76                      uint16_t /* debug_stub_port */)
  77 #endif
  78
  79 // Used by the NaCl process to query a database in the browser.  The database
  80 // contains the signatures of previously validated code chunks.
  81 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_QueryKnownToValidate,
  82                             std::string, /* A validation signature */
  83                             bool /* Can validation be skipped? */)
  84
  85 // Used by the NaCl process to add a validation signature to the validation
  86 // database in the browser.
  87 IPC_MESSAGE_CONTROL1(NaClProcessMsg_SetKnownToValidate,
  88                      std::string /* A validation signature */)
  89
  90 // Used by the NaCl process to acquire trusted information about a file directly
  91 // from the browser, including the file's path as well as a fresh version of the
  92 // file handle.
  93 IPC_SYNC_MESSAGE_CONTROL2_2(NaClProcessMsg_ResolveFileToken,
  94                             uint64, /* file_token_lo */
  95                             uint64, /* file_token_hi */
  96                             IPC::PlatformFileForTransit, /* fd */
  97                             base::FilePath /* Path opened to get fd */)
  98
  99 // Notify the browser process that the server side of the PPAPI channel was
 100 // created successfully.
 101 IPC_MESSAGE_CONTROL4(NaClProcessHostMsg_PpapiChannelsCreated,
 102                      IPC::ChannelHandle, /* browser_channel_handle */
 103                      IPC::ChannelHandle, /* ppapi_renderer_channel_handle */
 104                      IPC::ChannelHandle, /* trusted_renderer_channel_handle */
 105                      IPC::ChannelHandle /* manifest_service_channel_handle */)