163 lines
5.2 KiB
C
163 lines
5.2 KiB
C
/*
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* Copyright (c) 2002 - 2003
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* NetGroup, Politecnico di Torino (Italy)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Politecnico di Torino nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __SOCKUTILS_H__
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#define __SOCKUTILS_H__
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#ifdef _MSC_VER
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#pragma once
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#endif
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#include "pcap/socket.h"
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#ifndef _WIN32
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/* UN*X */
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#include <unistd.h> /* close() */
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/*!
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* \brief In Winsock, the close() call cannot be used on a socket;
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* closesocket() must be used.
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* We define closesocket() to be a wrapper around close() on UN*X,
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* so that it can be used on both platforms.
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*/
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#define closesocket(a) close(a)
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#endif
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/*
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* MingW headers include this definition, but only for Windows XP and above.
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* MSDN states that this function is available for most versions on Windows.
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*/
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#if ((defined(__MINGW32__)) && (_WIN32_WINNT < 0x0501))
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int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
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char*,DWORD,int);
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#endif
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/*
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* \defgroup SockUtils Cross-platform socket utilities (IPv4-IPv6)
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*/
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/*
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* \addtogroup SockUtils
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* \{
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*/
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/*
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* \defgroup ExportedStruct Exported Structures and Definitions
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*/
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/*
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* \addtogroup ExportedStruct
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* \{
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*/
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/****************************************************
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* *
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* Exported functions / definitions *
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* *
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****************************************************/
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/* 'checkonly' flag, into the rpsock_bufferize() */
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#define SOCKBUF_CHECKONLY 1
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/* no 'checkonly' flag, into the rpsock_bufferize() */
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#define SOCKBUF_BUFFERIZE 0
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/* no 'server' flag; it opens a client socket */
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#define SOCKOPEN_CLIENT 0
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/* 'server' flag; it opens a server socket */
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#define SOCKOPEN_SERVER 1
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/*
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* Flags for sock_recv().
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*/
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#define SOCK_RECEIVEALL_NO 0x00000000 /* Don't wait to receive all data */
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#define SOCK_RECEIVEALL_YES 0x00000001 /* Wait to receive all data */
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#define SOCK_EOF_ISNT_ERROR 0x00000000 /* Return 0 on EOF */
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#define SOCK_EOF_IS_ERROR 0x00000002 /* Return an error on EOF */
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/*
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* \}
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* \defgroup ExportedFunc Exported Functions
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*/
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/*
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* \addtogroup ExportedFunc
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* \{
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*/
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int sock_init(char *errbuf, int errbuflen);
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void sock_cleanup(void);
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void sock_fmterror(const char *caller, int errcode, char *errbuf, int errbuflen);
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void sock_geterror(const char *caller, char *errbuf, int errbufsize);
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int sock_initaddress(const char *address, const char *port,
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struct addrinfo *hints, struct addrinfo **addrinfo,
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char *errbuf, int errbuflen);
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int sock_recv(SOCKET sock, void *buffer, size_t size, int receiveall,
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char *errbuf, int errbuflen);
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int sock_recv_dgram(SOCKET sock, void *buffer, size_t size,
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char *errbuf, int errbuflen);
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SOCKET sock_open(struct addrinfo *addrinfo, int server, int nconn, char *errbuf, int errbuflen);
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int sock_close(SOCKET sock, char *errbuf, int errbuflen);
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int sock_send(SOCKET sock, const char *buffer, size_t size,
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char *errbuf, int errbuflen);
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int sock_bufferize(const char *buffer, int size, char *tempbuf, int *offset, int totsize, int checkonly, char *errbuf, int errbuflen);
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int sock_discard(SOCKET sock, int size, char *errbuf, int errbuflen);
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int sock_check_hostlist(char *hostlist, const char *sep, struct sockaddr_storage *from, char *errbuf, int errbuflen);
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int sock_cmpaddr(struct sockaddr_storage *first, struct sockaddr_storage *second);
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int sock_getmyinfo(SOCKET sock, char *address, int addrlen, char *port, int portlen, int flags, char *errbuf, int errbuflen);
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int sock_getascii_addrport(const struct sockaddr_storage *sockaddr, char *address, int addrlen, char *port, int portlen, int flags, char *errbuf, int errbuflen);
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int sock_present2network(const char *address, struct sockaddr_storage *sockaddr, int addr_family, char *errbuf, int errbuflen);
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#ifdef __cplusplus
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}
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#endif
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/*
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* \}
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*/
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/*
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* \}
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*/
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#endif
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