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1 // Copyright 2013 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/src/service_resolver.h" | |
6 | |
7 #include "base/win/pe_image.h" | |
8 #include "sandbox/win/src/internal_types.h" | |
9 #include "sandbox/win/src/sandbox_nt_util.h" | |
10 | |
11 namespace sandbox { | |
12 | |
13 NTSTATUS ServiceResolverThunk::ResolveInterceptor( | |
14 const void* interceptor_module, | |
15 const char* interceptor_name, | |
16 const void** address) { | |
17 // After all, we are using a locally mapped version of the exe, so the | |
18 // action is the same as for a target function. | |
19 return ResolveTarget(interceptor_module, interceptor_name, | |
20 const_cast<void**>(address)); | |
21 } | |
22 | |
23 // In this case all the work is done from the parent, so resolve is | |
24 // just a simple GetProcAddress. | |
25 NTSTATUS ServiceResolverThunk::ResolveTarget(const void* module, | |
26 const char* function_name, | |
27 void** address) { | |
28 if (NULL == module) | |
29 return STATUS_UNSUCCESSFUL; | |
30 | |
31 base::win::PEImage module_image(module); | |
32 *address = module_image.GetProcAddress(function_name); | |
33 | |
34 if (NULL == *address) { | |
35 NOTREACHED_NT(); | |
36 return STATUS_UNSUCCESSFUL; | |
37 } | |
38 | |
39 return STATUS_SUCCESS; | |
40 } | |
41 | |
42 void ServiceResolverThunk::AllowLocalPatches() { | |
43 ntdll_base_ = ::GetModuleHandle(kNtdllName); | |
44 } | |
45 | |
46 } // namespace sandbox | |
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