[openssh.git] / openbsd-compat / fake-rfc2553.h

/* $Id$ */

/*
 * 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 "includes.h"
#include <sys/types.h>
#if defined(HAVE_NETDB_H)
# include <netdb.h>
#endif

/*
 * 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) \
	(((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
	 ((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
#endif /* !IN6_IS_ADDR_LOOPBACK */

#ifndef HAVE_STRUCT_IN6_ADDR
struct in6_addr {
	u_int8_t	s6_addr[16];
};
#endif /* !HAVE_STRUCT_IN6_ADDR */

#ifndef HAVE_STRUCT_SOCKADDR_IN6
struct sockaddr_in6 {
	unsigned short	sin6_family;
	u_int16_t	sin6_port;
	u_int32_t	sin6_flowinfo;
	struct in6_addr	sin6_addr;
	u_int32_t	sin6_scope_id;
};
#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 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 EAI_FAMILY
# define EAI_FAMILY	(INT_MAX - 5)
#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)	(ssh_getaddrinfo(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)		(_ssh_compat_gai_strerror(a))
char *gai_strerror(int);
#endif /* !HAVE_GAI_STRERROR */

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

#ifndef HAVE_GETNAMEINFO
#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(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
2274ae66	1	/* $Id$ */
2274ae66	2
f5827134	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
52d58495	32	/*
	33	* Pseudo-implementation of RFC2553 name / address resolution functions
	34	*
	35	* But these functions are not implemented correctly. The minimum subset
5e24e4a5	36	* is implemented for ssh use only. For example, this routine assumes
52d58495	37	* that ai_family is AF_INET. Don't use it for another purpose.
	38	*/
	39
52d58495	40	#ifndef _FAKE_RFC2553_H
	41	#define _FAKE_RFC2553_H
	42
	43	#include "includes.h"
c8dfff33	44	#include <sys/types.h>
	45	#if defined(HAVE_NETDB_H)
	46	# include <netdb.h>
	47	#endif
52d58495	48
	49	/*
	50	* First, socket and INET6 related definitions
	51	*/
	52	#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
	53	# define _SS_MAXSIZE 128 /* Implementation specific max size */
	54	# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
	55	struct sockaddr_storage {
	56	struct sockaddr ss_sa;
	57	char __ss_pad2[_SS_PADSIZE];
	58	};
	59	# define ss_family ss_sa.sa_family
	60	#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
	61
	62	#ifndef IN6_IS_ADDR_LOOPBACK
	63	# define IN6_IS_ADDR_LOOPBACK(a) \
	64	(((u_int32_t )(a))[0] == 0 && ((u_int32_t )(a))[1] == 0 && \
	65	((u_int32_t )(a))[2] == 0 && ((u_int32_t )(a))[3] == htonl(1))
	66	#endif /* !IN6_IS_ADDR_LOOPBACK */
	67
	68	#ifndef HAVE_STRUCT_IN6_ADDR
	69	struct in6_addr {
	70	u_int8_t s6_addr[16];
	71	};
	72	#endif /* !HAVE_STRUCT_IN6_ADDR */
	73
	74	#ifndef HAVE_STRUCT_SOCKADDR_IN6
	75	struct sockaddr_in6 {
	76	unsigned short sin6_family;
	77	u_int16_t sin6_port;
	78	u_int32_t sin6_flowinfo;
	79	struct in6_addr sin6_addr;
8d910a98	80	u_int32_t sin6_scope_id;
52d58495	81	};
	82	#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
	83
	84	#ifndef AF_INET6
	85	/* Define it to something that should never appear */
	86	#define AF_INET6 AF_MAX
	87	#endif
	88
	89	/*
	90	* Next, RFC2553 name / address resolution API
	91	*/
	92
	93	#ifndef NI_NUMERICHOST
	94	# define NI_NUMERICHOST (1)
3095daf7	95	#endif
3095daf7	96	#ifndef NI_NAMEREQD
52d58495	97	# define NI_NAMEREQD (1<<1)
3095daf7	98	#endif
3095daf7	99	#ifndef NI_NUMERICSERV
52d58495	100	# define NI_NUMERICSERV (1<<2)
52d58495	101	#endif
3095daf7	102
52d58495	103	#ifndef AI_PASSIVE
52d58495	104	# define AI_PASSIVE (1)
3095daf7	105	#endif
3095daf7	106	#ifndef AI_CANONNAME
52d58495	107	# define AI_CANONNAME (1<<1)
3095daf7	108	#endif
3095daf7	109	#ifndef AI_NUMERICHOST
52d58495	110	# define AI_NUMERICHOST (1<<2)
	111	#endif
	112
	113	#ifndef NI_MAXSERV
	114	# define NI_MAXSERV 32
	115	#endif /* !NI_MAXSERV */
	116	#ifndef NI_MAXHOST
	117	# define NI_MAXHOST 1025
	118	#endif /* !NI_MAXHOST */
	119
	120	#ifndef EAI_NODATA
adb40e59	121	# define EAI_NODATA (INT_MAX - 1)
45b12bc8	122	#endif
45b12bc8	123	#ifndef EAI_MEMORY
adb40e59	124	# define EAI_MEMORY (INT_MAX - 2)
45b12bc8	125	#endif
45b12bc8	126	#ifndef EAI_NONAME
adb40e59	127	# define EAI_NONAME (INT_MAX - 3)
45b12bc8	128	#endif
45b12bc8	129	#ifndef EAI_SYSTEM
adb40e59	130	# define EAI_SYSTEM (INT_MAX - 4)
52d58495	131	#endif
2ade01eb	132	#ifndef EAI_FAMILY
	133	# define EAI_FAMILY (INT_MAX - 5)
	134	#endif
52d58495	135
	136	#ifndef HAVE_STRUCT_ADDRINFO
	137	struct addrinfo {
	138	int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
	139	int ai_family; /* PF_xxx */
	140	int ai_socktype; /* SOCK_xxx */
	141	int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
	142	size_t ai_addrlen; /* length of ai_addr */
	143	char ai_canonname; / canonical name for hostname */
	144	struct sockaddr ai_addr; / binary address */
	145	struct addrinfo ai_next; / next structure in linked list */
	146	};
	147	#endif /* !HAVE_STRUCT_ADDRINFO */
	148
	149	#ifndef HAVE_GETADDRINFO
31863e02	150	#ifdef getaddrinfo
	151	# undef getaddrinfo
	152	#endif
1c46f905	153	#define getaddrinfo(a,b,c,d) (ssh_getaddrinfo(a,b,c,d))
52d58495	154	int getaddrinfo(const char , const char ,
	155	const struct addrinfo , struct addrinfo *);
	156	#endif /* !HAVE_GETADDRINFO */
	157
1a086f97	158	#if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
2db5d1e9	159	#define gai_strerror(a) (_ssh_compat_gai_strerror(a))
52d58495	160	char *gai_strerror(int);
	161	#endif /* !HAVE_GAI_STRERROR */
	162
	163	#ifndef HAVE_FREEADDRINFO
1c46f905	164	#define freeaddrinfo(a) (ssh_freeaddrinfo(a))
52d58495	165	void freeaddrinfo(struct addrinfo *);
	166	#endif /* !HAVE_FREEADDRINFO */
	167
	168	#ifndef HAVE_GETNAMEINFO
1c46f905	169	#define getnameinfo(a,b,c,d,e,f,g) (ssh_getnameinfo(a,b,c,d,e,f,g))
52d58495	170	int getnameinfo(const struct sockaddr , size_t, char , size_t,
	171	char *, size_t, int);
	172	#endif /* !HAVE_GETNAMEINFO */
	173
	174	#endif /* !_FAKE_RFC2553_H */
	175