[apple/network_cmds.git] / unbound / compat / fake-rfc2553.h

/* From openssh 4.3p2 filename openbsd-compat/fake-rfc2553.h */
/*
 * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
 * Copyright (C) 1999 WIDE Project.  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. Neither the name of the project 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 PROJECT 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 PROJECT 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.
 */

/*
 * Pseudo-implementation of RFC2553 name / address resolution functions
 *
 * But these functions are not implemented correctly. The minimum subset
 * is implemented for ssh use only. For example, this routine assumes
 * that ai_family is AF_INET. Don't use it for another purpose.
 */

#ifndef _FAKE_RFC2553_H
#define _FAKE_RFC2553_H

#include <config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <limits.h>

/*
 * First, socket and INET6 related definitions 
 */
#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
# define	_SS_MAXSIZE	128	/* Implementation specific max size */
# define       _SS_PADSIZE     (_SS_MAXSIZE - sizeof (struct sockaddr))
struct sockaddr_storage {
	struct sockaddr	ss_sa;
	char		__ss_pad2[_SS_PADSIZE];
};
# define ss_family ss_sa.sa_family
#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */

#ifndef IN6_IS_ADDR_LOOPBACK
# define IN6_IS_ADDR_LOOPBACK(a) \
	(((uint32_t *)(a))[0] == 0 && ((uint32_t *)(a))[1] == 0 && \
	 ((uint32_t *)(a))[2] == 0 && ((uint32_t *)(a))[3] == htonl(1))
#endif /* !IN6_IS_ADDR_LOOPBACK */

#ifndef HAVE_STRUCT_IN6_ADDR
struct in6_addr {
	uint8_t	s6_addr[16];
};
#endif /* !HAVE_STRUCT_IN6_ADDR */

#ifndef HAVE_STRUCT_SOCKADDR_IN6
struct sockaddr_in6 {
	unsigned short	sin6_family;
	uint16_t	sin6_port;
	uint32_t	sin6_flowinfo;
	struct in6_addr	sin6_addr;
};
#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */

#ifndef AF_INET6
/* Define it to something that should never appear */
#define AF_INET6 AF_MAX
#endif

/*
 * Next, RFC2553 name / address resolution API
 */

#ifndef NI_NUMERICHOST
# define NI_NUMERICHOST    (1)
#endif
#ifndef NI_NAMEREQD
# define NI_NAMEREQD       (1<<1)
#endif
#ifndef NI_NUMERICSERV
# define NI_NUMERICSERV    (1<<2)
#endif

#ifndef AI_PASSIVE
# define AI_PASSIVE		(1)
#endif
#ifndef AI_CANONNAME
# define AI_CANONNAME		(1<<1)
#endif
#ifndef AI_NUMERICHOST
# define AI_NUMERICHOST		(1<<2)
#endif

#ifndef NI_MAXSERV
# define NI_MAXSERV 32
#endif /* !NI_MAXSERV */
#ifndef NI_MAXHOST
# define NI_MAXHOST 1025
#endif /* !NI_MAXHOST */

#ifndef INT_MAX
#define INT_MAX		0xffffffff
#endif

#ifndef EAI_NODATA
# define EAI_NODATA	(INT_MAX - 1)
#endif
#ifndef EAI_MEMORY
# define EAI_MEMORY	(INT_MAX - 2)
#endif
#ifndef EAI_NONAME
# define EAI_NONAME	(INT_MAX - 3)
#endif
#ifndef EAI_SYSTEM
# define EAI_SYSTEM	(INT_MAX - 4)
#endif

#ifndef HAVE_STRUCT_ADDRINFO
struct addrinfo {
	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
	int	ai_family;	/* PF_xxx */
	int	ai_socktype;	/* SOCK_xxx */
	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
	size_t	ai_addrlen;	/* length of ai_addr */
	char	*ai_canonname;	/* canonical name for hostname */
	struct sockaddr *ai_addr;	/* binary address */
	struct addrinfo *ai_next;	/* next structure in linked list */
};
#endif /* !HAVE_STRUCT_ADDRINFO */

#ifndef HAVE_GETADDRINFO
#ifdef getaddrinfo
# undef getaddrinfo
#endif
#define getaddrinfo(a,b,c,d)	(getaddrinfo_unbound(a,b,c,d))
int getaddrinfo(const char *, const char *, 
    const struct addrinfo *, struct addrinfo **);
#endif /* !HAVE_GETADDRINFO */

#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
#define gai_strerror(a)		(gai_strerror_unbound(a))
char *gai_strerror(int);
#endif /* !HAVE_GAI_STRERROR */

#ifndef HAVE_FREEADDRINFO
#define freeaddrinfo(a)		(freeaddrinfo_unbound(a))
void freeaddrinfo(struct addrinfo *);
#endif /* !HAVE_FREEADDRINFO */

#ifndef HAVE_GETNAMEINFO
#define getnameinfo(a,b,c,d,e,f,g) (getnameinfo_unbound(a,b,c,d,e,f,g))
int getnameinfo(const struct sockaddr *, size_t, char *, size_t, 
    char *, size_t, int);
#endif /* !HAVE_GETNAMEINFO */

#endif /* !_FAKE_RFC2553_H */
Commit	Line	Data
89c4ed63 A	1	/* From openssh 4.3p2 filename openbsd-compat/fake-rfc2553.h */
	2	/*
	3	* Copyright (C) 2000-2003 Damien Miller. All rights reserved.
	4	* Copyright (C) 1999 WIDE Project. All rights reserved.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* 2. Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	* 3. Neither the name of the project nor the names of its contributors
	15	* may be used to endorse or promote products derived from this software
	16	* without specific prior written permission.
	17	*
	18	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	19	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	21	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	22	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	23	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	24	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	26	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	27	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	28	* SUCH DAMAGE.
	29	*/
	30
	31	/*
	32	* Pseudo-implementation of RFC2553 name / address resolution functions
	33	*
	34	* But these functions are not implemented correctly. The minimum subset
	35	* is implemented for ssh use only. For example, this routine assumes
	36	* that ai_family is AF_INET. Don't use it for another purpose.
	37	*/
	38
	39	#ifndef _FAKE_RFC2553_H
	40	#define _FAKE_RFC2553_H
	41
	42	#include <config.h>
	43	#include <sys/types.h>
	44	#include <sys/socket.h>
	45	#include <netdb.h>
	46	#include <limits.h>
	47
	48	/*
	49	* First, socket and INET6 related definitions
	50	*/
	51	#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
	52	# define _SS_MAXSIZE 128 /* Implementation specific max size */
	53	# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
	54	struct sockaddr_storage {
	55	struct sockaddr ss_sa;
	56	char __ss_pad2[_SS_PADSIZE];
	57	};
	58	# define ss_family ss_sa.sa_family
	59	#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
	60
	61	#ifndef IN6_IS_ADDR_LOOPBACK
	62	# define IN6_IS_ADDR_LOOPBACK(a) \
	63	(((uint32_t )(a))[0] == 0 && ((uint32_t )(a))[1] == 0 && \
	64	((uint32_t )(a))[2] == 0 && ((uint32_t )(a))[3] == htonl(1))
65	#endif /* !IN6_IS_ADDR_LOOPBACK */
66
67	#ifndef HAVE_STRUCT_IN6_ADDR
68	struct in6_addr {
69	uint8_t s6_addr[16];
70	};
71	#endif /* !HAVE_STRUCT_IN6_ADDR */
72
73	#ifndef HAVE_STRUCT_SOCKADDR_IN6
74	struct sockaddr_in6 {
75	unsigned short sin6_family;
76	uint16_t sin6_port;
77	uint32_t sin6_flowinfo;
78	struct in6_addr sin6_addr;
79	};
80	#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
81
82	#ifndef AF_INET6
83	/* Define it to something that should never appear */
84	#define AF_INET6 AF_MAX
85	#endif
86
87	/*
88	* Next, RFC2553 name / address resolution API
89	*/
90
91	#ifndef NI_NUMERICHOST
92	# define NI_NUMERICHOST (1)
93	#endif
94	#ifndef NI_NAMEREQD
95	# define NI_NAMEREQD (1<<1)
96	#endif
97	#ifndef NI_NUMERICSERV
98	# define NI_NUMERICSERV (1<<2)
99	#endif
100
101	#ifndef AI_PASSIVE
102	# define AI_PASSIVE (1)
103	#endif
104	#ifndef AI_CANONNAME
105	# define AI_CANONNAME (1<<1)
106	#endif
107	#ifndef AI_NUMERICHOST
108	# define AI_NUMERICHOST (1<<2)
109	#endif
110
111	#ifndef NI_MAXSERV
112	# define NI_MAXSERV 32
113	#endif /* !NI_MAXSERV */
114	#ifndef NI_MAXHOST
115	# define NI_MAXHOST 1025
116	#endif /* !NI_MAXHOST */
117
118	#ifndef INT_MAX
119	#define INT_MAX 0xffffffff
120	#endif
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
135	#ifndef HAVE_STRUCT_ADDRINFO
136	struct addrinfo {
137	int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
138	int ai_family; /* PF_xxx */
139	int ai_socktype; /* SOCK_xxx */
140	int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
141	size_t ai_addrlen; /* length of ai_addr */
142	char ai_canonname; / canonical name for hostname */
143	struct sockaddr ai_addr; / binary address */
144	struct addrinfo ai_next; / next structure in linked list */
145	};
146	#endif /* !HAVE_STRUCT_ADDRINFO */
147
148	#ifndef HAVE_GETADDRINFO
149	#ifdef getaddrinfo
150	# undef getaddrinfo
151	#endif
152	#define getaddrinfo(a,b,c,d) (getaddrinfo_unbound(a,b,c,d))
153	int getaddrinfo(const char , const char ,
154	const struct addrinfo , struct addrinfo *);
155	#endif /* !HAVE_GETADDRINFO */
156
157	#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
158	#define gai_strerror(a) (gai_strerror_unbound(a))
159	char *gai_strerror(int);
160	#endif /* !HAVE_GAI_STRERROR */
161
162	#ifndef HAVE_FREEADDRINFO
163	#define freeaddrinfo(a) (freeaddrinfo_unbound(a))
164	void freeaddrinfo(struct addrinfo *);
165	#endif /* !HAVE_FREEADDRINFO */
166
167	#ifndef HAVE_GETNAMEINFO
168	#define getnameinfo(a,b,c,d,e,f,g) (getnameinfo_unbound(a,b,c,d,e,f,g))
169	int getnameinfo(const struct sockaddr , size_t, char , size_t,
170	char *, size_t, int);
171	#endif /* !HAVE_GETNAMEINFO */
172
173	#endif /* !_FAKE_RFC2553_H */
174