The Tor Browser: security/sandbox/win/src/named_pipe

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Copyright (c) 2006-2010 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.

     5 #include "sandbox/win/src/named_pipe_dispatcher.h"

     7 #include "base/basictypes.h"

     9 #include "sandbox/win/src/crosscall_client.h"

    10 #include "sandbox/win/src/interception.h"

    11 #include "sandbox/win/src/interceptors.h"

    12 #include "sandbox/win/src/ipc_tags.h"

    13 #include "sandbox/win/src/named_pipe_interception.h"

    14 #include "sandbox/win/src/named_pipe_policy.h"

    15 #include "sandbox/win/src/policy_broker.h"

    16 #include "sandbox/win/src/policy_params.h"

    17 #include "sandbox/win/src/sandbox.h"

    20 namespace sandbox {

    22 NamedPipeDispatcher::NamedPipeDispatcher(PolicyBase* policy_base)

    23     : policy_base_(policy_base) {

    24   static const IPCCall create_params = {

    25     {IPC_CREATENAMEDPIPEW_TAG, WCHAR_TYPE, ULONG_TYPE, ULONG_TYPE, ULONG_TYPE,

    26      ULONG_TYPE, ULONG_TYPE, ULONG_TYPE},

    27     reinterpret_cast<CallbackGeneric>(&NamedPipeDispatcher::CreateNamedPipe)

    28   };

    30   ipc_calls_.push_back(create_params);

    31 }

    33 bool NamedPipeDispatcher::SetupService(InterceptionManager* manager,

    34                                        int service) {

    35   if (IPC_CREATENAMEDPIPEW_TAG == service)

    36     return INTERCEPT_EAT(manager, L"kernel32.dll", CreateNamedPipeW,

    37                          CREATE_NAMED_PIPE_ID, 36);

    39   return false;

    40 }

    42 bool NamedPipeDispatcher::CreateNamedPipe(

    43     IPCInfo* ipc, std::wstring* name, DWORD open_mode, DWORD pipe_mode,

    44     DWORD max_instances, DWORD out_buffer_size, DWORD in_buffer_size,

    45     DWORD default_timeout) {

    46   const wchar_t* pipe_name = name->c_str();

    47   CountedParameterSet<NameBased> params;

    48   params[NameBased::NAME] = ParamPickerMake(pipe_name);

    50   EvalResult eval = policy_base_->EvalPolicy(IPC_CREATENAMEDPIPEW_TAG,

    51                                              params.GetBase());

    53   HANDLE pipe;

    54   DWORD ret = NamedPipePolicy::CreateNamedPipeAction(eval, *ipc->client_info,

    55                                                      *name, open_mode,

    56                                                      pipe_mode, max_instances,

    57                                                      out_buffer_size,

    58                                                      in_buffer_size,

    59                                                      default_timeout, &pipe);

    61   ipc->return_info.win32_result = ret;

    62   ipc->return_info.handle = pipe;

    63   return true;

    64 }

    66 }  // namespace sandbox

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