Home | History | Annotate | Download | only in common 
      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_MEMBER(crash_info_shmem_handle)
     31 IPC_STRUCT_TRAITS_END()
     32 
     33 //-----------------------------------------------------------------------------
     34 // NaClProcess messages
     35 // These are messages sent between the browser and the NaCl process.
     36 // Tells the NaCl process to start.
     37 IPC_MESSAGE_CONTROL1(NaClProcessMsg_Start,
     38                      nacl::NaClStartParams /* params */)
     39 
     40 #if defined(OS_WIN)
     41 // Tells the NaCl broker to launch a NaCl loader process.
     42 IPC_MESSAGE_CONTROL1(NaClProcessMsg_LaunchLoaderThroughBroker,
     43                      std::string /* channel ID for the loader */)
     44 
     45 // Notify the browser process that the loader was launched successfully.
     46 IPC_MESSAGE_CONTROL2(NaClProcessMsg_LoaderLaunched,
     47                      std::string,  /* channel ID for the loader */
     48                      base::ProcessHandle /* loader process handle */)
     49 
     50 // Tells the NaCl broker to attach a debug exception handler to the
     51 // given NaCl loader process.
     52 IPC_MESSAGE_CONTROL3(NaClProcessMsg_LaunchDebugExceptionHandler,
     53                      int32 /* pid of the NaCl process */,
     54                      base::ProcessHandle /* handle of the NaCl process */,
     55                      std::string /* NaCl internal process layout info */)
     56 
     57 // Notify the browser process that the broker process finished
     58 // attaching a debug exception handler to the given NaCl loader
     59 // process.
     60 IPC_MESSAGE_CONTROL2(NaClProcessMsg_DebugExceptionHandlerLaunched,
     61                      int32 /* pid */,
     62                      bool /* success */)
     63 
     64 // Notify the broker that all loader processes have been terminated and it
     65 // should shutdown.
     66 IPC_MESSAGE_CONTROL0(NaClProcessMsg_StopBroker)
     67 
     68 // Used by the NaCl process to request that a Windows debug exception
     69 // handler be attached to it.
     70 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_AttachDebugExceptionHandler,
     71                             std::string, /* Internal process info */
     72                             bool /* Result */)
     73 
     74 // Notify the browser process that the NaCl process has bound the given
     75 // TCP port number to use for the GDB debug stub.
     76 IPC_MESSAGE_CONTROL1(NaClProcessHostMsg_DebugStubPortSelected,
     77                      uint16_t /* debug_stub_port */)
     78 #endif
     79 
     80 // Used by the NaCl process to query a database in the browser.  The database
     81 // contains the signatures of previously validated code chunks.
     82 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_QueryKnownToValidate,
     83                             std::string, /* A validation signature */
     84                             bool /* Can validation be skipped? */)
     85 
     86 // Used by the NaCl process to add a validation signature to the validation
     87 // database in the browser.
     88 IPC_MESSAGE_CONTROL1(NaClProcessMsg_SetKnownToValidate,
     89                      std::string /* A validation signature */)
     90 
     91 // Used by the NaCl process to acquire trusted information about a file directly
     92 // from the browser, including the file's path as well as a fresh version of the
     93 // file handle.
     94 // TODO(teravest): Remove the synchronous version of this message once initial
     95 // nexe validation caching stops using this.
     96 IPC_SYNC_MESSAGE_CONTROL2_2(NaClProcessMsg_ResolveFileToken,
     97                             uint64, /* file_token_lo */
     98                             uint64, /* file_token_hi */
     99                             IPC::PlatformFileForTransit, /* fd */
    100                             base::FilePath /* Path opened to get fd */)
    101 
    102 IPC_MESSAGE_CONTROL2(NaClProcessMsg_ResolveFileTokenAsync,
    103                      uint64, /* file_token_lo */
    104                      uint64 /* file_token_hi */)
    105 IPC_MESSAGE_CONTROL4(NaClProcessMsg_ResolveFileTokenAsyncReply,
    106                      uint64, /* file_token_lo */
    107                      uint64, /* file_token_hi */
    108                      IPC::PlatformFileForTransit, /* fd */
    109                      base::FilePath /* Path opened to get fd */)
    110 
    111 // Notify the browser process that the server side of the PPAPI channel was
    112 // created successfully.
    113 IPC_MESSAGE_CONTROL4(NaClProcessHostMsg_PpapiChannelsCreated,
    114                      IPC::ChannelHandle, /* browser_channel_handle */
    115                      IPC::ChannelHandle, /* ppapi_renderer_channel_handle */
    116                      IPC::ChannelHandle, /* trusted_renderer_channel_handle */
    117                      IPC::ChannelHandle /* manifest_service_channel_handle */)
    118