1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/win/src/handle_interception.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,45 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#include "sandbox/win/src/handle_interception.h"
1.9 +
1.10 +#include "sandbox/win/src/crosscall_client.h"
1.11 +#include "sandbox/win/src/ipc_tags.h"
1.12 +#include "sandbox/win/src/sandbox_factory.h"
1.13 +#include "sandbox/win/src/sandbox_nt_util.h"
1.14 +#include "sandbox/win/src/sharedmem_ipc_client.h"
1.15 +#include "sandbox/win/src/target_services.h"
1.16 +
1.17 +namespace sandbox {
1.18 +
1.19 +ResultCode DuplicateHandleProxy(HANDLE source_handle,
1.20 + DWORD target_process_id,
1.21 + HANDLE* target_handle,
1.22 + DWORD desired_access,
1.23 + DWORD options) {
1.24 + *target_handle = NULL;
1.25 +
1.26 + void* memory = GetGlobalIPCMemory();
1.27 + if (NULL == memory)
1.28 + return SBOX_ERROR_NO_SPACE;
1.29 +
1.30 + SharedMemIPCClient ipc(memory);
1.31 + CrossCallReturn answer = {0};
1.32 + ResultCode code = CrossCall(ipc, IPC_DUPLICATEHANDLEPROXY_TAG,
1.33 + source_handle, target_process_id,
1.34 + desired_access, options, &answer);
1.35 + if (SBOX_ALL_OK != code)
1.36 + return code;
1.37 +
1.38 + if (answer.win32_result) {
1.39 + ::SetLastError(answer.nt_status);
1.40 + return SBOX_ERROR_GENERIC;
1.41 + }
1.42 +
1.43 + *target_handle = answer.handle;
1.44 + return SBOX_ALL_OK;
1.45 +}
1.46 +
1.47 +} // namespace sandbox
1.48 +
