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comparison fake-rfc2553.h @ 64:efb5e0b335cf

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TCP forwarding works.
author Matt Johnston <matt@ucc.asn.au>
date Thu, 12 Aug 2004 13:48:42 +0000
parents
children 86725004a0ea
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63:dcc43965928f 64:efb5e0b335cf
1 /* $Id: fake-rfc2553.h,v 1.9 2004/03/10 10:06:33 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 #endif
121
122 #ifndef HAVE_STRUCT_ADDRINFO
123 struct addrinfo {
124 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
125 int ai_family; /* PF_xxx */
126 int ai_socktype; /* SOCK_xxx */
127 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
128 size_t ai_addrlen; /* length of ai_addr */
129 char *ai_canonname; /* canonical name for hostname */
130 struct sockaddr *ai_addr; /* binary address */
131 struct addrinfo *ai_next; /* next structure in linked list */
132 };
133 #endif /* !HAVE_STRUCT_ADDRINFO */
134
135 #ifndef HAVE_GETADDRINFO
136 #ifdef getaddrinfo
137 # undef getaddrinfo
138 #endif
139 #define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d))
140 int getaddrinfo(const char *, const char *,
141 const struct addrinfo *, struct addrinfo **);
142 #endif /* !HAVE_GETADDRINFO */
143
144 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
145 #define gai_strerror(a) (ssh_gai_strerror(a))
146 char *gai_strerror(int);
147 #endif /* !HAVE_GAI_STRERROR */
148
149 #ifndef HAVE_FREEADDRINFO
150 #define freeaddrinfo(a) (ssh_freeaddrinfo(a))
151 void freeaddrinfo(struct addrinfo *);
152 #endif /* !HAVE_FREEADDRINFO */
153
154 #ifndef HAVE_GETNAMEINFO
155 #define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
156 int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
157 char *, size_t, int);
158 #endif /* !HAVE_GETNAMEINFO */
159
160 #endif /* !_FAKE_RFC2553_H */
161