ipc/attachment_broker_messages.h

   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
   3 // found in the LICENSE file.
   4
   5 // IPC messages used by the attachment broker.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include "base/process/process_handle.h"
   9 #include "ipc/brokerable_attachment.h"
  10 #include "ipc/ipc_export.h"
  11 #include "ipc/ipc_message_macros.h"
  12
  13 #if defined(OS_WIN)
  14 #include "ipc/handle_attachment_win.h"
  15 #endif  // defined(OS_WIN)
  16
  17 // ----------------------------------------------------------------------------
  18 // Serialization of structs.
  19 // ----------------------------------------------------------------------------
  20
  21 #if defined(OS_WIN)
  22 // Define the serialization for Permissions.
  23 IPC_ENUM_TRAITS_MAX_VALUE(HandleWin::Permissions, HandleWin::MAX_PERMISSIONS);
  24
  25 IPC_STRUCT_TRAITS_BEGIN(IPC::internal::HandleAttachmentWin::WireFormat)
  26   IPC_STRUCT_TRAITS_MEMBER(handle)
  27   IPC_STRUCT_TRAITS_MEMBER(destination_process)
  28   IPC_STRUCT_TRAITS_MEMBER(permissions)
  29   IPC_STRUCT_TRAITS_MEMBER(attachment_id)
  30 IPC_STRUCT_TRAITS_END()
  31 #endif  // defined(OS_WIN)
  32
  33 #undef IPC_MESSAGE_EXPORT
  34 #define IPC_MESSAGE_EXPORT IPC_EXPORT
  35 #define IPC_MESSAGE_START AttachmentBrokerMsgStart
  36
  37 // ----------------------------------------------------------------------------
  38 // Messages sent from the broker to a non-broker process.
  39 // ----------------------------------------------------------------------------
  40
  41 #if defined(OS_WIN)
  42 // Sent from a broker to a non-broker to indicate that a windows HANDLE has been
  43 // brokered. Contains all information necessary for the non-broker to translate
  44 // a BrokerAttachment::AttachmentId to a BrokerAttachment.
  45 IPC_MESSAGE_CONTROL1(
  46     AttachmentBrokerMsg_WinHandleHasBeenDuplicated,
  47     IPC::internal::HandleAttachmentWin::WireFormat /* wire_format */)
  48 #endif  // defined(OS_WIN)
  49
  50 // ----------------------------------------------------------------------------
  51 // Messages sent from a non-broker process to a broker process.
  52 // ----------------------------------------------------------------------------
  53
  54 #if defined(OS_WIN)
  55 // Sent from a non-broker to a broker to request the duplication of a HANDLE
  56 // into a different process (possibly the broker process, or even the original
  57 // process).
  58 IPC_MESSAGE_CONTROL1(
  59     AttachmentBrokerMsg_DuplicateWinHandle,
  60     IPC::internal::HandleAttachmentWin::WireFormat /* wire_format */)
  61 #endif  // defined(OS_WIN)