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114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
/*
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* Copyright (C) 2009 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef _WS2DEF_
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#define _WS2DEF_
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#include <inaddr.h>
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#ifdef USE_WS_PREFIX
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#define WS(x) WS_##x
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#else
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#define WS(x) x
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#endif
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#ifndef __CSADDR_DEFINED__
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#define __CSADDR_DEFINED__
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typedef struct _SOCKET_ADDRESS {
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LPSOCKADDR lpSockaddr;
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INT iSockaddrLength;
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} SOCKET_ADDRESS, *PSOCKET_ADDRESS, *LPSOCKET_ADDRESS;
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typedef struct _CSADDR_INFO {
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SOCKET_ADDRESS LocalAddr;
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SOCKET_ADDRESS RemoteAddr;
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INT iSocketType;
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INT iProtocol;
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} CSADDR_INFO, *PCSADDR_INFO, *LPCSADDR_INFO;
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#endif
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#ifdef USE_WS_PREFIX
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#define WS__SS_MAXSIZE 128
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#define WS__SS_ALIGNSIZE (sizeof(__int64))
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#define WS__SS_PAD1SIZE (WS__SS_ALIGNSIZE - sizeof(short))
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#define WS__SS_PAD2SIZE (WS__SS_MAXSIZE - 2 * WS__SS_ALIGNSIZE)
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#else
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#define _SS_MAXSIZE 128
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#define _SS_ALIGNSIZE (sizeof(__int64))
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#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
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#define _SS_PAD2SIZE (_SS_MAXSIZE - 2 * _SS_ALIGNSIZE)
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#endif
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typedef struct WS(sockaddr_storage) {
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short ss_family;
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char __ss_pad1[WS(_SS_PAD1SIZE)];
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__int64 DECLSPEC_ALIGN(8) __ss_align;
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char __ss_pad2[WS(_SS_PAD2SIZE)];
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} SOCKADDR_STORAGE, *PSOCKADDR_STORAGE, *LPSOCKADDR_STORAGE;
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/*socket address list */
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typedef struct _SOCKET_ADDRESS_LIST {
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INT iAddressCount;
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SOCKET_ADDRESS Address[1];
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} SOCKET_ADDRESS_LIST, *LPSOCKET_ADDRESS_LIST;
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typedef enum {
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ScopeLevelInterface = 1,
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ScopeLevelLink = 2,
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ScopeLevelSubnet = 3,
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ScopeLevelAdmin = 4,
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ScopeLevelSite = 5,
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ScopeLevelOrganization = 8,
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ScopeLevelGlobal = 14
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} SCOPE_LEVEL;
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typedef struct _WSABUF
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{
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ULONG len;
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CHAR* buf;
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} WSABUF, *LPWSABUF;
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typedef struct _WSAMSG {
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LPSOCKADDR name;
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INT namelen;
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LPWSABUF lpBuffers;
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DWORD dwBufferCount;
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WSABUF Control;
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DWORD dwFlags;
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} WSAMSG, *PWSAMSG, *LPWSAMSG;
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/*
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* Macros for retrieving control message data returned by WSARecvMsg()
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*/
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#define WSA_CMSG_DATA(cmsg) ((UCHAR*)((WSACMSGHDR*)(cmsg)+1))
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#define WSA_CMSG_FIRSTHDR(mhdr) ((mhdr)->Control.len >= sizeof(WSACMSGHDR) ? (WSACMSGHDR *) (mhdr)->Control.buf : (WSACMSGHDR *) 0)
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#define WSA_CMSG_ALIGN(len) (((len) + sizeof(SIZE_T) - 1) & ~(sizeof(SIZE_T) - 1))
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/*
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* Next Header: If the response is too short (or the next message in the response
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* is too short) then return NULL, otherwise return the next control message.
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*/
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#define WSA_CMSG_NXTHDR(mhdr,cmsg) \
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(!(cmsg) ? WSA_CMSG_FIRSTHDR(mhdr) : \
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((mhdr)->Control.len < sizeof(WSACMSGHDR) ? NULL : \
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(((unsigned char*)(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))+1) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \
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(((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)+WSA_CMSG_ALIGN(((WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len)))->cmsg_len) > ((unsigned char*)(mhdr)->Control.buf + (mhdr)->Control.len)) ? NULL : \
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(WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len))))))
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#endif /* _WS2DEF_ */
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