| 1 | /*
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| 2 | * Copyright (C) 2009 Robert Shearman
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| 3 | *
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| 4 | * This library is free software; you can redistribute it and/or
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| 5 | * modify it under the terms of the GNU Lesser General Public
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| 6 | * License as published by the Free Software Foundation; either
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| 7 | * version 2.1 of the License, or (at your option) any later version.
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| 8 | *
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| 9 | * This library is distributed in the hope that it will be useful,
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | * Lesser General Public License for more details.
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| 13 | *
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| 14 | * You should have received a copy of the GNU Lesser General Public
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| 15 | * License along with this library; if not, write to the Free Software
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| 16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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| 17 | */
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| 18 |
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| 19 | #ifndef _WS2DEF_
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| 20 | #define _WS2DEF_
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| 21 |
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| 22 | #include <inaddr.h>
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| 23 |
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| 24 | #ifdef USE_WS_PREFIX
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| 25 | #define WS(x) WS_##x
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| 26 | #else
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| 27 | #define WS(x) x
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| 28 | #endif
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| 29 |
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| 30 | #ifndef __CSADDR_DEFINED__
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| 31 | #define __CSADDR_DEFINED__
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| 32 |
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| 33 | typedef struct _SOCKET_ADDRESS {
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| 34 | LPSOCKADDR lpSockaddr;
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| 35 | INT iSockaddrLength;
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| 36 | } SOCKET_ADDRESS, *PSOCKET_ADDRESS, *LPSOCKET_ADDRESS;
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| 37 |
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| 38 | typedef struct _CSADDR_INFO {
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| 39 | SOCKET_ADDRESS LocalAddr;
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| 40 | SOCKET_ADDRESS RemoteAddr;
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| 41 | INT iSocketType;
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| 42 | INT iProtocol;
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| 43 | } CSADDR_INFO, *PCSADDR_INFO, *LPCSADDR_INFO;
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| 44 | #endif
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| 45 |
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| 46 | #ifdef USE_WS_PREFIX
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| 47 | #define WS__SS_MAXSIZE 128
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| 48 | #define WS__SS_ALIGNSIZE (sizeof(__int64))
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| 49 | #define WS__SS_PAD1SIZE (WS__SS_ALIGNSIZE - sizeof(short))
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| 50 | #define WS__SS_PAD2SIZE (WS__SS_MAXSIZE - 2 * WS__SS_ALIGNSIZE)
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| 51 | #else
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| 52 | #define _SS_MAXSIZE 128
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| 53 | #define _SS_ALIGNSIZE (sizeof(__int64))
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| 54 | #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(short))
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| 55 | #define _SS_PAD2SIZE (_SS_MAXSIZE - 2 * _SS_ALIGNSIZE)
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| 56 | #endif
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| 57 |
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| 58 | typedef struct WS(sockaddr_storage) {
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| 59 | short ss_family;
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| 60 | char __ss_pad1[WS(_SS_PAD1SIZE)];
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| 61 | __int64 DECLSPEC_ALIGN(8) __ss_align;
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| 62 | char __ss_pad2[WS(_SS_PAD2SIZE)];
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| 63 | } SOCKADDR_STORAGE, *PSOCKADDR_STORAGE, *LPSOCKADDR_STORAGE;
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| 64 |
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| 65 | /*socket address list */
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| 66 | typedef struct _SOCKET_ADDRESS_LIST {
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| 67 | INT iAddressCount;
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| 68 | SOCKET_ADDRESS Address[1];
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| 69 | } SOCKET_ADDRESS_LIST, *LPSOCKET_ADDRESS_LIST;
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| 70 |
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| 71 | typedef enum {
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| 72 | ScopeLevelInterface = 1,
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| 73 | ScopeLevelLink = 2,
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| 74 | ScopeLevelSubnet = 3,
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| 75 | ScopeLevelAdmin = 4,
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| 76 | ScopeLevelSite = 5,
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| 77 | ScopeLevelOrganization = 8,
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| 78 | ScopeLevelGlobal = 14
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| 79 | } SCOPE_LEVEL;
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| 80 |
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| 81 | typedef struct _WSABUF
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| 82 | {
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| 83 | ULONG len;
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| 84 | CHAR* buf;
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| 85 | } WSABUF, *LPWSABUF;
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| 86 |
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| 87 | typedef struct _WSAMSG {
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| 88 | LPSOCKADDR name;
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| 89 | INT namelen;
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| 90 | LPWSABUF lpBuffers;
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| 91 | DWORD dwBufferCount;
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| 92 | WSABUF Control;
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| 93 | DWORD dwFlags;
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| 94 | } WSAMSG, *PWSAMSG, *LPWSAMSG;
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| 95 |
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| 96 | /*
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| 97 | * Macros for retrieving control message data returned by WSARecvMsg()
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| 98 | */
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| 99 | #define WSA_CMSG_DATA(cmsg) ((UCHAR*)((WSACMSGHDR*)(cmsg)+1))
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| 100 | #define WSA_CMSG_FIRSTHDR(mhdr) ((mhdr)->Control.len >= sizeof(WSACMSGHDR) ? (WSACMSGHDR *) (mhdr)->Control.buf : (WSACMSGHDR *) 0)
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| 101 | #define WSA_CMSG_ALIGN(len) (((len) + sizeof(SIZE_T) - 1) & ~(sizeof(SIZE_T) - 1))
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| 102 | /*
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| 103 | * Next Header: If the response is too short (or the next message in the response
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| 104 | * is too short) then return NULL, otherwise return the next control message.
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| 105 | */
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| 106 | #define WSA_CMSG_NXTHDR(mhdr,cmsg) \
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| 107 | (!(cmsg) ? WSA_CMSG_FIRSTHDR(mhdr) : \
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| 108 | ((mhdr)->Control.len < sizeof(WSACMSGHDR) ? NULL : \
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| 109 | (((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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| 110 | (((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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| 111 | (WSACMSGHDR*)((unsigned char*)cmsg + WSA_CMSG_ALIGN(cmsg->cmsg_len))))))
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| 112 |
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| 113 | #endif /* _WS2DEF_ */
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