release/src/router/dropbear/fake-rfc2553.h

   1 /* Taken for Dropbear from OpenSSH 5.5p1 */
   2
   3 /* $Id: fake-rfc2553.h,v 1.16 2008/07/14 11:37:37 djm 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 #include <sys/types.h>
  47 #if defined(HAVE_NETDB_H)
  48 # include <netdb.h>
  49 #endif
  50
  51 /*
  52  * First, socket and INET6 related definitions
  53  */
  54 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
  55 # define        _SS_MAXSIZE     128     /* Implementation specific max size */
  56 # define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
  57 struct sockaddr_storage {
  58         struct sockaddr ss_sa;
  59         char            __ss_pad2[_SS_PADSIZE];
  60 };
  61 # define ss_family ss_sa.sa_family
  62 #endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
  63
  64 #ifndef IN6_IS_ADDR_LOOPBACK
  65 # define IN6_IS_ADDR_LOOPBACK(a) \
  66         (((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
  67          ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
  68 #endif /* !IN6_IS_ADDR_LOOPBACK */
  69
  70 #ifndef HAVE_STRUCT_IN6_ADDR
  71 struct in6_addr {
  72         u_int8_t        s6_addr[16];
  73 };
  74 #endif /* !HAVE_STRUCT_IN6_ADDR */
  75
  76 #ifndef HAVE_STRUCT_SOCKADDR_IN6
  77 struct sockaddr_in6 {
  78         unsigned short  sin6_family;
  79         u_int16_t       sin6_port;
  80         u_int32_t       sin6_flowinfo;
  81         struct in6_addr sin6_addr;
  82         u_int32_t       sin6_scope_id;
  83 };
  84 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
  85
  86 #ifndef AF_INET6
  87 /* Define it to something that should never appear */
  88 #define AF_INET6 AF_MAX
  89 #endif
  90
  91 /*
  92  * Next, RFC2553 name / address resolution API
  93  */
  94
  95 #ifndef NI_NUMERICHOST
  96 # define NI_NUMERICHOST    (1)
  97 #endif
  98 #ifndef NI_NAMEREQD
  99 # define NI_NAMEREQD       (1<<1)
 100 #endif
 101 #ifndef NI_NUMERICSERV
 102 # define NI_NUMERICSERV    (1<<2)
 103 #endif
 104
 105 #ifndef AI_PASSIVE
 106 # define AI_PASSIVE             (1)
 107 #endif
 108 #ifndef AI_CANONNAME
 109 # define AI_CANONNAME           (1<<1)
 110 #endif
 111 #ifndef AI_NUMERICHOST
 112 # define AI_NUMERICHOST         (1<<2)
 113 #endif
 114
 115 #ifndef NI_MAXSERV
 116 # define NI_MAXSERV 32
 117 #endif /* !NI_MAXSERV */
 118 #ifndef NI_MAXHOST
 119 # define NI_MAXHOST 1025
 120 #endif /* !NI_MAXHOST */
 121
 122 #ifndef EAI_NODATA
 123 # define EAI_NODATA     (INT_MAX - 1)
 124 #endif
 125 #ifndef EAI_MEMORY
 126 # define EAI_MEMORY     (INT_MAX - 2)
 127 #endif
 128 #ifndef EAI_NONAME
 129 # define EAI_NONAME     (INT_MAX - 3)
 130 #endif
 131 #ifndef EAI_SYSTEM
 132 # define EAI_SYSTEM     (INT_MAX - 4)
 133 #endif
 134 #ifndef EAI_FAMILY
 135 # define EAI_FAMILY     (INT_MAX - 5)
 136 #endif
 137
 138 #ifndef HAVE_STRUCT_ADDRINFO
 139 struct addrinfo {
 140         int     ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
 141         int     ai_family;      /* PF_xxx */
 142         int     ai_socktype;    /* SOCK_xxx */
 143         int     ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
 144         size_t  ai_addrlen;     /* length of ai_addr */
 145         char    *ai_canonname;  /* canonical name for hostname */
 146         struct sockaddr *ai_addr;       /* binary address */
 147         struct addrinfo *ai_next;       /* next structure in linked list */
 148 };
 149 #endif /* !HAVE_STRUCT_ADDRINFO */
 150
 151 #ifndef HAVE_GETADDRINFO
 152 #ifdef getaddrinfo
 153 # undef getaddrinfo
 154 #endif
 155 #define getaddrinfo(a,b,c,d)    (ssh_getaddrinfo(a,b,c,d))
 156 int getaddrinfo(const char *, const char *,
 157     const struct addrinfo *, struct addrinfo **);
 158 #endif /* !HAVE_GETADDRINFO */
 159
 160 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
 161 #define gai_strerror(a)         (_ssh_compat_gai_strerror(a))
 162 char *gai_strerror(int);
 163 #endif /* !HAVE_GAI_STRERROR */
 164
 165 #ifndef HAVE_FREEADDRINFO
 166 #define freeaddrinfo(a)         (ssh_freeaddrinfo(a))
 167 void freeaddrinfo(struct addrinfo *);
 168 #endif /* !HAVE_FREEADDRINFO */
 169
 170 #ifndef HAVE_GETNAMEINFO
 171 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
 172 int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
 173     char *, size_t, int);
 174 #endif /* !HAVE_GETNAMEINFO */
 175
 176 #endif /* !_FAKE_RFC2553_H */
 177