sandbox/win/wow_helper/target_code.cc

   1 // Copyright (c) 2006-2008 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 #include "sandbox/win/wow_helper/target_code.h"
   6
   7 namespace sandbox {
   8
   9 // Hooks NtMapViewOfSection to detect the load of dlls.
  10 NTSTATUS WINAPI TargetNtMapViewOfSection(
  11     PatchInfo *patch_info, HANDLE process, PVOID *base, ULONG_PTR zero_bits,
  12     SIZE_T commit_size, PLARGE_INTEGER offset, PSIZE_T view_size,
  13     SECTION_INHERIT inherit, ULONG allocation_type, ULONG protect) {
  14   NTSTATUS ret = patch_info->orig_MapViewOfSection(patch_info->section, process,
  15                                                    base, zero_bits, commit_size,
  16                                                    offset, view_size, inherit,
  17                                                    allocation_type, protect);
  18
  19   LARGE_INTEGER timeout;
  20   timeout.QuadPart = -(5 * 10000000);  // 5 seconds.
  21
  22   // The wait is alertable.
  23   patch_info->signal_and_wait(patch_info->dll_load, patch_info->continue_load,
  24                               TRUE, &timeout);
  25
  26   return ret;
  27 }
  28
  29 // Marks the end of the code to copy to the target process.
  30 NTSTATUS WINAPI TargetEnd() {
  31   return STATUS_SUCCESS;
  32 }
  33
  34 }  // namespace sandbox