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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SANDBOX_WOW_HELPER_TARGET_CODE_H__
#define SANDBOX_WOW_HELPER_TARGET_CODE_H__
#include "sandbox/src/nt_internals.h"
namespace sandbox {
extern "C" {
// Holds the information needed for the interception of NtMapViewOfSection.
// Changes of this structure must be synchronized with changes of PatchInfo32
// on sandbox/src/wow64.cc.
struct PatchInfo {
HANDLE dll_load; // Event to signal the broker.
HANDLE continue_load; // Event to wait for the broker.
HANDLE section; // First argument of the call.
NtMapViewOfSectionFunction orig_MapViewOfSection;
NtSignalAndWaitForSingleObjectFunction signal_and_wait;
void* patch_location;
};
// Interception of NtMapViewOfSection on the child process.
// It should never be called directly. This function provides the means to
// detect dlls being loaded, so we can patch them if needed.
NTSTATUS WINAPI TargetNtMapViewOfSection(
PatchInfo* patch_info, HANDLE process, PVOID* base, ULONG_PTR zero_bits,
SIZE_T commit_size, PLARGE_INTEGER offset, PSIZE_T view_size,
SECTION_INHERIT inherit, ULONG allocation_type, ULONG protect);
// Marker of the end of TargetNtMapViewOfSection.
NTSTATUS WINAPI TargetEnd();
} // extern "C"
} // namespace sandbox
#endif // SANDBOX_WOW_HELPER_TARGET_CODE_H__
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