[57905] | 1 | /* $Id: vcc-fakes-ws2_32.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Tricks to make the Visual C++ 2010 CRT work on NT4, W2K and XP - WS2_32.DLL.
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2012-2023 Oracle and/or its affiliates.
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[57905] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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[57905] | 11 | *
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[96407] | 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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[57905] | 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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[96407] | 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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[57905] | 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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[96407] | 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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[57905] | 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include <iprt/cdefs.h>
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| 42 | #include <iprt/types.h>
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| 43 | #include <iprt/asm.h>
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| 44 | #include <iprt/string.h>
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| 45 |
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| 46 | #ifndef RT_ARCH_X86
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| 47 | # error "This code is X86 only"
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| 48 | #endif
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| 49 |
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| 50 | #define getaddrinfo Ignore_getaddrinfo
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| 51 | #define freeaddrinfo Ignore_freeaddrinfo
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| 52 |
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[62592] | 53 | #include <iprt/win/winsock2.h>
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[62761] | 54 | #include <iprt/win/ws2tcpip.h>
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[57905] | 55 |
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| 56 | #undef getaddrinfo
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| 57 | #undef freeaddrinfo
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| 58 |
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| 59 |
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| 60 | /** Dynamically resolves an kernel32 API. */
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| 61 | #define RESOLVE_ME(ApiNm) \
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| 62 | static bool volatile s_fInitialized = false; \
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| 63 | static decltype(ApiNm) *s_pfnApi = NULL; \
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| 64 | decltype(ApiNm) *pfnApi; \
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[70360] | 65 | if (s_fInitialized) \
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[57905] | 66 | pfnApi = s_pfnApi; \
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| 67 | else \
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| 68 | { \
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| 69 | pfnApi = (decltype(pfnApi))GetProcAddress(GetModuleHandleW(L"wc2_32.dll"), #ApiNm); \
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| 70 | s_pfnApi = pfnApi; \
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| 71 | s_fInitialized = true; \
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| 72 | } do {} while (0) \
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| 73 |
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| 74 |
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| 75 | extern "C"
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| 76 | __declspec(dllexport)
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| 77 | int WINAPI getaddrinfo(const char *pszNodeName, const char *pszServiceName, const struct addrinfo *pHints,
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| 78 | struct addrinfo **ppResults)
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| 79 | {
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| 80 | RESOLVE_ME(getaddrinfo);
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| 81 | if (pfnApi)
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| 82 | return pfnApi(pszNodeName, pszServiceName, pHints, ppResults);
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| 83 |
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| 84 | /** @todo fallback */
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| 85 | WSASetLastError(WSAEAFNOSUPPORT);
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| 86 | return WSAEAFNOSUPPORT;
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| 87 | }
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| 88 |
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| 89 |
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| 90 |
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| 91 | extern "C"
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| 92 | __declspec(dllexport)
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| 93 | void WINAPI freeaddrinfo(struct addrinfo *pResults)
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| 94 | {
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| 95 | RESOLVE_ME(freeaddrinfo);
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| 96 | if (pfnApi)
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| 97 | pfnApi(pResults);
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| 98 | else
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| 99 | {
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| 100 | Assert(!pResults);
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| 101 | /** @todo fallback */
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| 102 | }
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| 103 | }
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| 104 |
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| 105 |
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| 106 |
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| 107 | /* Dummy to force dragging in this object in the link, so the linker
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| 108 | won't accidentally use the symbols from kernel32. */
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| 109 | extern "C" int vcc100_ws2_32_fakes_cpp(void)
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| 110 | {
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| 111 | return 42;
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| 112 | }
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| 113 |
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