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/*
* Copyright (c) 1993
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
/*
* Prototypes for read-ahead/write-behind subroutines for tftp user and
* server.
*/
#ifndef TFTPSUBS_H
#define TFTPSUBS_H
#include "config.h"
union sock_addr {
struct sockaddr sa;
struct sockaddr_in si;
#ifdef HAVE_IPV6
struct sockaddr_in6 s6;
#endif
};
#define SOCKLEN(sock) \
(((union sock_addr*)sock)->sa.sa_family == AF_INET ? \
(sizeof(struct sockaddr_in)) : \
(sizeof(union sock_addr)))
#ifdef HAVE_IPV6
#define SOCKPORT(sock) \
(((union sock_addr*)sock)->sa.sa_family == AF_INET ? \
((union sock_addr*)sock)->si.sin_port : \
((union sock_addr*)sock)->s6.sin6_port)
#else
#define SOCKPORT(sock) \
(((union sock_addr*)sock)->si.sin_port)
#endif
#ifdef HAVE_IPV6
#define SOCKADDR_P(sock) \
(((union sock_addr*)sock)->sa.sa_family == AF_INET ? \
(void *)&((union sock_addr*)sock)->si.sin_addr : \
(void *)&((union sock_addr*)sock)->s6.sin6_addr)
#else
#define SOCKADDR_P(sock) \
(void *)&((union sock_addr*)sock)->si.sin_addr
#endif
#ifdef HAVE_IPV6
int is_numeric_ipv6(const char *);
char *strip_address(char *);
#else
#define is_numeric_ipv6(a) 0
#define strip_address(a) (a)
#endif
static inline int sa_set_port(union sock_addr *s, u_short port)
{
switch (s->sa.sa_family) {
case AF_INET:
s->si.sin_port = port;
break;
#ifdef HAVE_IPV6
case AF_INET6:
s->s6.sin6_port = port;
break;
#endif
default:
return -1;
}
return 0;
}
int set_sock_addr(char *, union sock_addr *, char **);
struct tftphdr;
struct tftphdr *r_init(void);
void read_ahead(FILE *, int);
int readit(FILE *, struct tftphdr **, int);
int synchnet(int);
struct tftphdr *w_init(void);
int write_behind(FILE *, int);
int writeit(FILE *, struct tftphdr **, int, int);
extern int segsize;
#define MAX_SEGSIZE 65464
int pick_port_bind(int sockfd, union sock_addr *myaddr,
unsigned int from, unsigned int to);
#endif
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