/*
* Copyright (c) 2002 - 2003
* NetGroup, Politecnico di Torino (Italy)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Politecnico di Torino nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __SOCKUTILS_H__
#define __SOCKUTILS_H__
#ifdef _MSC_VER
#pragma once
#endif
#include <stdarg.h> /* we declare varargs functions */
/*!
* \brief In Winsock, the close() call cannot be used on a socket;
* closesocket() must be used.
* We define closesocket() to be a wrapper around close() on UN*X,
* so that it can be used on both platforms.
*/
#define closesocket(a) close(a)
#endif
#include "sslutils.h" // for SSL type, whatever that turns out to be
/*
* MingW headers include this definition, but only for Windows XP and above.
* MSDN states that this function is available for most versions on Windows.
*/
#if ((defined(__MINGW32__)) && (_WIN32_WINNT < 0x0501))
int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
char*,DWORD,int);
#endif
/* 'checkonly' flag, into the rpsock_bufferize() */
#define SOCKBUF_CHECKONLY 1
/* no 'checkonly' flag, into the rpsock_bufferize() */
#define SOCKBUF_BUFFERIZE 0
/* no 'server' flag; it opens a client socket */
#define SOCKOPEN_CLIENT 0
/* 'server' flag; it opens a server socket */
#define SOCKOPEN_SERVER 1
/*
* Flags for sock_recv().
*/
#define SOCK_RECEIVEALL_NO 0x00000000 /* Don't wait to receive all data */
#define SOCK_RECEIVEALL_YES 0x00000001 /* Wait to receive all data */
#define SOCK_EOF_ISNT_ERROR 0x00000000 /* Return 0 on EOF */
#define SOCK_EOF_IS_ERROR 0x00000002 /* Return an error on EOF */
#define SOCK_MSG_PEEK 0x00000004 /* Return data but leave it in the socket queue */
/*
* \}
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* \defgroup ExportedFunc Exported Functions
*/
/*
* \addtogroup ExportedFunc
* \{
*/
int sock_init(char *errbuf, int errbuflen);
void sock_cleanup(void);
int sock_geterrcode(void);
void sock_vfmterrmsg(char *errbuf, size_t errbuflen, int errcode,
PCAP_FORMAT_STRING(const char *fmt), va_list ap) PCAP_PRINTFLIKE(4, 0);
void sock_fmterrmsg(char *errbuf, size_t errbuflen, int errcode,
PCAP_FORMAT_STRING(const char *fmt), ...) PCAP_PRINTFLIKE(4, 5);
void sock_geterrmsg(char *errbuf, size_t errbuflen,
PCAP_FORMAT_STRING(const char *fmt), ...) PCAP_PRINTFLIKE(3, 4);
struct addrinfo *sock_initaddress(const char *address, const char *port,
struct addrinfo *hints, char *errbuf, int errbuflen);
int sock_recv(PCAP_SOCKET sock, SSL *, void *buffer, size_t size,
int receiveall, char *errbuf, int errbuflen);
int sock_recv_dgram(PCAP_SOCKET sock, SSL *, void *buffer, size_t size,
char *errbuf, int errbuflen);
PCAP_SOCKET sock_open(const char *host, struct addrinfo *addrinfo, int server,
int nconn, char *errbuf, int errbuflen);
int sock_close(PCAP_SOCKET sock, char *errbuf, int errbuflen);
int sock_send(PCAP_SOCKET sock, SSL *, const char *buffer, size_t size,
char *errbuf, int errbuflen);
int sock_bufferize(const void *data, int size, char *outbuf, int *offset, int totsize, int checkonly, char *errbuf, int errbuflen);
int sock_discard(PCAP_SOCKET sock, SSL *, int size, char *errbuf,
int errbuflen);
int sock_check_hostlist(const char *hostlist, const char *sep, struct sockaddr_storage *from, char *errbuf, int errbuflen);
int sock_cmpaddr(struct sockaddr_storage *first, struct sockaddr_storage *second);
int sock_getmyinfo(PCAP_SOCKET sock, char *address, int addrlen, char *port,
int portlen, int flags, char *errbuf, int errbuflen);
int sock_getascii_addrport(const struct sockaddr_storage *sockaddr, char *address, int addrlen, char *port, int portlen, int flags, char *errbuf, size_t errbuflen);
int sock_present2network(const char *address, struct sockaddr_storage *sockaddr, int addr_family, char *errbuf, int errbuflen);
