security/sandbox/win/src/handle_interception.cc

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

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

michael@0 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
michael@0 2 // Use of this source code is governed by a BSD-style license that can be
michael@0 3 // found in the LICENSE file.
michael@0 4
michael@0 5 #include "sandbox/win/src/handle_interception.h"
michael@0 6
michael@0 7 #include "sandbox/win/src/crosscall_client.h"
michael@0 8 #include "sandbox/win/src/ipc_tags.h"
michael@0 9 #include "sandbox/win/src/sandbox_factory.h"
michael@0 10 #include "sandbox/win/src/sandbox_nt_util.h"
michael@0 11 #include "sandbox/win/src/sharedmem_ipc_client.h"
michael@0 12 #include "sandbox/win/src/target_services.h"
michael@0 13
michael@0 14 namespace sandbox {
michael@0 15
michael@0 16 ResultCode DuplicateHandleProxy(HANDLE source_handle,
michael@0 17 DWORD target_process_id,
michael@0 18 HANDLE* target_handle,
michael@0 19 DWORD desired_access,
michael@0 20 DWORD options) {
michael@0 21 *target_handle = NULL;
michael@0 22
michael@0 23 void* memory = GetGlobalIPCMemory();
michael@0 24 if (NULL == memory)
michael@0 25 return SBOX_ERROR_NO_SPACE;
michael@0 26
michael@0 27 SharedMemIPCClient ipc(memory);
michael@0 28 CrossCallReturn answer = {0};
michael@0 29 ResultCode code = CrossCall(ipc, IPC_DUPLICATEHANDLEPROXY_TAG,
michael@0 30 source_handle, target_process_id,
michael@0 31 desired_access, options, &answer);
michael@0 32 if (SBOX_ALL_OK != code)
michael@0 33 return code;
michael@0 34
michael@0 35 if (answer.win32_result) {
michael@0 36 ::SetLastError(answer.nt_status);
michael@0 37 return SBOX_ERROR_GENERIC;
michael@0 38 }
michael@0 39
michael@0 40 *target_handle = answer.handle;
michael@0 41 return SBOX_ALL_OK;
michael@0 42 }
michael@0 43
michael@0 44 } // namespace sandbox
michael@0 45

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