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      1 /* Taken from OpenSSH 3.8.1p1 */
      2 
      3 /* $.Id: fake-rfc2553.h,v 1.9 2004/03/10 10:06:33 dtucker Exp $ */
      4 
      5 /*
      6  * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
      7  * Copyright (C) 1999 WIDE Project.  All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. Neither the name of the project nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 /*
     35  * Pseudo-implementation of RFC2553 name / address resolution functions
     36  *
     37  * But these functions are not implemented correctly. The minimum subset
     38  * is implemented for ssh use only. For example, this routine assumes
     39  * that ai_family is AF_INET. Don't use it for another purpose.
     40  */
     41 
     42 #ifndef _FAKE_RFC2553_H
     43 #define _FAKE_RFC2553_H
     44 
     45 #include "includes.h"
     46 
     47 /*
     48  * First, socket and INET6 related definitions
     49  */
     50 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
     51 # define	_SS_MAXSIZE	128	/* Implementation specific max size */
     52 # define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
     53 struct sockaddr_storage {
     54 	struct sockaddr	ss_sa;
     55 	char		__ss_pad2[_SS_PADSIZE];
     56 };
     57 # define ss_family ss_sa.sa_family
     58 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
     59 
     60 #ifndef IN6_IS_ADDR_LOOPBACK
     61 # define IN6_IS_ADDR_LOOPBACK(a) \
     62 	(((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
     63 	 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
     64 #endif /* !IN6_IS_ADDR_LOOPBACK */
     65 
     66 #ifndef HAVE_STRUCT_IN6_ADDR
     67 struct in6_addr {
     68 	u_int8_t	s6_addr[16];
     69 };
     70 #endif /* !HAVE_STRUCT_IN6_ADDR */
     71 
     72 #ifndef HAVE_STRUCT_SOCKADDR_IN6
     73 struct sockaddr_in6 {
     74 	unsigned short	sin6_family;
     75 	u_int16_t	sin6_port;
     76 	u_int32_t	sin6_flowinfo;
     77 	struct in6_addr	sin6_addr;
     78 };
     79 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
     80 
     81 #ifndef AF_INET6
     82 /* Define it to something that should never appear */
     83 #define AF_INET6 AF_MAX
     84 #endif
     85 
     86 /*
     87  * Next, RFC2553 name / address resolution API
     88  */
     89 
     90 #ifndef NI_NUMERICHOST
     91 # define NI_NUMERICHOST    (1)
     92 #endif
     93 #ifndef NI_NAMEREQD
     94 # define NI_NAMEREQD       (1<<1)
     95 #endif
     96 #ifndef NI_NUMERICSERV
     97 # define NI_NUMERICSERV    (1<<2)
     98 #endif
     99 
    100 #ifndef AI_PASSIVE
    101 # define AI_PASSIVE		(1)
    102 #endif
    103 #ifndef AI_CANONNAME
    104 # define AI_CANONNAME		(1<<1)
    105 #endif
    106 #ifndef AI_NUMERICHOST
    107 # define AI_NUMERICHOST		(1<<2)
    108 #endif
    109 
    110 #ifndef NI_MAXSERV
    111 # define NI_MAXSERV 32
    112 #endif /* !NI_MAXSERV */
    113 #ifndef NI_MAXHOST
    114 # define NI_MAXHOST 1025
    115 #endif /* !NI_MAXHOST */
    116 
    117 #ifndef EAI_NODATA
    118 # define EAI_NODATA	1
    119 # define EAI_MEMORY	2
    120 # define EAI_NONAME	3
    121 #endif
    122 
    123 #ifndef HAVE_STRUCT_ADDRINFO
    124 struct addrinfo {
    125 	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
    126 	int	ai_family;	/* PF_xxx */
    127 	int	ai_socktype;	/* SOCK_xxx */
    128 	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
    129 	size_t	ai_addrlen;	/* length of ai_addr */
    130 	char	*ai_canonname;	/* canonical name for hostname */
    131 	struct sockaddr *ai_addr;	/* binary address */
    132 	struct addrinfo *ai_next;	/* next structure in linked list */
    133 };
    134 #endif /* !HAVE_STRUCT_ADDRINFO */
    135 
    136 #ifndef HAVE_GETADDRINFO
    137 #ifdef getaddrinfo
    138 # undef getaddrinfo
    139 #endif
    140 #define getaddrinfo(a,b,c,d)	(ssh_getaddrinfo(a,b,c,d))
    141 int getaddrinfo(const char *, const char *,
    142     const struct addrinfo *, struct addrinfo **);
    143 #endif /* !HAVE_GETADDRINFO */
    144 
    145 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
    146 #define gai_strerror(a)		(ssh_gai_strerror(a))
    147 char *gai_strerror(int);
    148 #endif /* !HAVE_GAI_STRERROR */
    149 
    150 #ifndef HAVE_FREEADDRINFO
    151 #define freeaddrinfo(a)		(ssh_freeaddrinfo(a))
    152 void freeaddrinfo(struct addrinfo *);
    153 #endif /* !HAVE_FREEADDRINFO */
    154 
    155 #ifndef HAVE_GETNAMEINFO
    156 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
    157 int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
    158     char *, size_t, int);
    159 #endif /* !HAVE_GETNAMEINFO */
    160 
    161 #endif /* !_FAKE_RFC2553_H */
    162 
    163