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      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 // Multiply-included file, no traditional include guard.
      6 
      7 #include <string>
      8 
      9 #include "base/basictypes.h"
     10 #include "base/process/process.h"
     11 #include "build/build_config.h"
     12 #include "components/nacl/common/nacl_types.h"
     13 #include "components/nacl/common/pnacl_types.h"
     14 #include "content/public/common/common_param_traits.h"
     15 #include "ipc/ipc_channel_handle.h"
     16 #include "ipc/ipc_message_macros.h"
     17 #include "ipc/ipc_platform_file.h"
     18 #include "url/gurl.h"
     19 
     20 #define IPC_MESSAGE_START NaClHostMsgStart
     21 
     22 IPC_STRUCT_TRAITS_BEGIN(nacl::NaClLaunchParams)
     23   IPC_STRUCT_TRAITS_MEMBER(manifest_url)
     24   IPC_STRUCT_TRAITS_MEMBER(render_view_id)
     25   IPC_STRUCT_TRAITS_MEMBER(permission_bits)
     26   IPC_STRUCT_TRAITS_MEMBER(uses_irt)
     27   IPC_STRUCT_TRAITS_MEMBER(enable_dyncode_syscalls)
     28   IPC_STRUCT_TRAITS_MEMBER(enable_exception_handling)
     29 IPC_STRUCT_TRAITS_END()
     30 
     31 IPC_STRUCT_TRAITS_BEGIN(nacl::NaClLaunchResult)
     32   IPC_STRUCT_TRAITS_MEMBER(imc_channel_handle)
     33   IPC_STRUCT_TRAITS_MEMBER(ipc_channel_handle)
     34   IPC_STRUCT_TRAITS_MEMBER(plugin_pid)
     35   IPC_STRUCT_TRAITS_MEMBER(plugin_child_id)
     36 IPC_STRUCT_TRAITS_END()
     37 
     38 IPC_STRUCT_TRAITS_BEGIN(nacl::PnaclCacheInfo)
     39   IPC_STRUCT_TRAITS_MEMBER(pexe_url)
     40   IPC_STRUCT_TRAITS_MEMBER(abi_version)
     41   IPC_STRUCT_TRAITS_MEMBER(opt_level)
     42   IPC_STRUCT_TRAITS_MEMBER(last_modified)
     43   IPC_STRUCT_TRAITS_MEMBER(etag)
     44 IPC_STRUCT_TRAITS_END()
     45 
     46 // A renderer sends this to the browser process when it wants to start
     47 // a new instance of the Native Client process. The browser will launch
     48 // the process and return an IPC channel handle. This handle will only
     49 // be valid if the NaCl IPC proxy is enabled.
     50 IPC_SYNC_MESSAGE_CONTROL1_2(NaClHostMsg_LaunchNaCl,
     51                             nacl::NaClLaunchParams /* launch_params */,
     52                             nacl::NaClLaunchResult /* launch_result */,
     53                             std::string /* error_message */)
     54 
     55 // A renderer sends this to the browser process when it wants to
     56 // ensure that PNaCl is installed.
     57 IPC_MESSAGE_CONTROL1(NaClHostMsg_EnsurePnaclInstalled,
     58                      int /* pp_instance */)
     59 
     60 // The browser replies to the renderer's request to ensure that
     61 // PNaCl is installed.
     62 IPC_MESSAGE_CONTROL2(NaClViewMsg_EnsurePnaclInstalledReply,
     63                      int /* pp_instance */,
     64                      bool /* success */)
     65 
     66 // A renderer sends this to the browser process when it wants to
     67 // open a file for from the Pnacl component directory.
     68 IPC_SYNC_MESSAGE_CONTROL1_1(NaClHostMsg_GetReadonlyPnaclFD,
     69                             std::string /* name of requested PNaCl file */,
     70                             IPC::PlatformFileForTransit /* output file */)
     71 
     72 // A renderer sends this to the browser process when it wants to
     73 // create a temporary file.
     74 IPC_SYNC_MESSAGE_CONTROL0_1(NaClHostMsg_NaClCreateTemporaryFile,
     75                             IPC::PlatformFileForTransit /* out file */)
     76 
     77 // A renderer sends this to the browser to request a file descriptor for
     78 // a translated nexe.
     79 IPC_MESSAGE_CONTROL3(NaClHostMsg_NexeTempFileRequest,
     80                      int /* render_view_id */,
     81                      int /* instance */,
     82                      nacl::PnaclCacheInfo /* cache info */)
     83 
     84 // The browser replies to a renderer's temp file request with output_file,
     85 // which is either a writeable temp file to use for translation, or a
     86 // read-only file containing the translated nexe from the cache.
     87 IPC_MESSAGE_CONTROL3(NaClViewMsg_NexeTempFileReply,
     88                      int /* instance */,
     89                      bool /* is_cache_hit */,
     90                      IPC::PlatformFileForTransit /* output file */)
     91 
     92 // A renderer sends this to the browser to report that its translation has
     93 // finished and its temp file contains the translated nexe.
     94 IPC_MESSAGE_CONTROL2(NaClHostMsg_ReportTranslationFinished,
     95                      int /* instance */,
     96                      bool /* success */)
     97 
     98 // A renderer sends this to the browser process to report an error.
     99 IPC_MESSAGE_CONTROL2(NaClHostMsg_NaClErrorStatus,
    100                      int /* render_view_id */,
    101                      int /* Error ID */)
    102 
    103 // A renderer sends this to the browser process when it wants to
    104 // open a NaCl executable file from an installed application directory.
    105 IPC_SYNC_MESSAGE_CONTROL2_3(NaClHostMsg_OpenNaClExecutable,
    106                             int /* render_view_id */,
    107                             GURL /* URL of NaCl executable file */,
    108                             IPC::PlatformFileForTransit /* output file */,
    109                             uint64 /* file_token_lo */,
    110                             uint64 /* file_token_hi */)
    111