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

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 // Copyright (c) 2012 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/handle_interception.h"

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

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

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

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

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

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

    14 namespace sandbox {

    16 ResultCode DuplicateHandleProxy(HANDLE source_handle,

    17                                 DWORD target_process_id,

    18                                 HANDLE* target_handle,

    19                                 DWORD desired_access,

    20                                 DWORD options) {

    21   *target_handle = NULL;

    23   void* memory = GetGlobalIPCMemory();

    24   if (NULL == memory)

    25     return SBOX_ERROR_NO_SPACE;

    27   SharedMemIPCClient ipc(memory);

    28   CrossCallReturn answer = {0};

    29   ResultCode code = CrossCall(ipc, IPC_DUPLICATEHANDLEPROXY_TAG,

    30                               source_handle, target_process_id,

    31                               desired_access, options, &answer);

    32   if (SBOX_ALL_OK != code)

    33     return code;

    35   if (answer.win32_result) {

    36     ::SetLastError(answer.nt_status);

    37     return SBOX_ERROR_GENERIC;

    38   }

    40   *target_handle = answer.handle;

    41   return SBOX_ALL_OK;

    42 }

    44 }  // namespace sandbox

The Tor Browser / file revision