crypto/openssh-4/openbsd-compat/fake-rfc2553.h

   1 /* $Id: fake-rfc2553.h,v 1.10 2005/02/11 07:32:13 dtucker Exp $ */
   2
   3 /*
   4  * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
   5  * Copyright (C) 1999 WIDE Project.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Pseudo-implementation of RFC2553 name / address resolution functions
  34  *
  35  * But these functions are not implemented correctly. The minimum subset
  36  * is implemented for ssh use only. For example, this routine assumes
  37  * that ai_family is AF_INET. Don't use it for another purpose.
  38  */
  39
  40 #ifndef _FAKE_RFC2553_H
  41 #define _FAKE_RFC2553_H
  42
  43 #include "includes.h"
  44 #include "sys/types.h"
  45
  46 /*
  47  * First, socket and INET6 related definitions
  48  */
  49 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
  50 # define        _SS_MAXSIZE     128     /* Implementation specific max size */
  51 # define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
  52 struct sockaddr_storage {
  53         struct sockaddr ss_sa;
  54         char            __ss_pad2[_SS_PADSIZE];
  55 };
  56 # define ss_family ss_sa.sa_family
  57 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
  58
  59 #ifndef IN6_IS_ADDR_LOOPBACK
  60 # define IN6_IS_ADDR_LOOPBACK(a) \
  61         (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
  62          ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
  63 #endif /* !IN6_IS_ADDR_LOOPBACK */
  64
  65 #ifndef HAVE_STRUCT_IN6_ADDR
  66 struct in6_addr {
  67         u_int8_t        s6_addr[16];
  68 };
  69 #endif /* !HAVE_STRUCT_IN6_ADDR */
  70
  71 #ifndef HAVE_STRUCT_SOCKADDR_IN6
  72 struct sockaddr_in6 {
  73         unsigned short  sin6_family;
  74         u_int16_t       sin6_port;
  75         u_int32_t       sin6_flowinfo;
  76         struct in6_addr sin6_addr;
  77 };
  78 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
  79
  80 #ifndef AF_INET6
  81 /* Define it to something that should never appear */
  82 #define AF_INET6 AF_MAX
  83 #endif
  84
  85 /*
  86  * Next, RFC2553 name / address resolution API
  87  */
  88
  89 #ifndef NI_NUMERICHOST
  90 # define NI_NUMERICHOST    (1)
  91 #endif
  92 #ifndef NI_NAMEREQD
  93 # define NI_NAMEREQD       (1<<1)
  94 #endif
  95 #ifndef NI_NUMERICSERV
  96 # define NI_NUMERICSERV    (1<<2)
  97 #endif
  98
  99 #ifndef AI_PASSIVE
 100 # define AI_PASSIVE             (1)
 101 #endif
 102 #ifndef AI_CANONNAME
 103 # define AI_CANONNAME           (1<<1)
 104 #endif
 105 #ifndef AI_NUMERICHOST
 106 # define AI_NUMERICHOST         (1<<2)
 107 #endif
 108
 109 #ifndef NI_MAXSERV
 110 # define NI_MAXSERV 32
 111 #endif /* !NI_MAXSERV */
 112 #ifndef NI_MAXHOST
 113 # define NI_MAXHOST 1025
 114 #endif /* !NI_MAXHOST */
 115
 116 #ifndef EAI_NODATA
 117 # define EAI_NODATA     1
 118 # define EAI_MEMORY     2
 119 # define EAI_NONAME     3
 120 # define EAI_SYSTEM     4
 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