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/*
* 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.
*/
/* $Id: fake-rfc2553.h,v 1.3 2003/06/11 13:56:41 dtucker Exp $ */
#ifndef _FAKE_RFC2553_H
#define _FAKE_RFC2553_H
#include "includes.h"
#include "sys/types.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) \
(((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;
};
#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)
# define NI_NAMEREQD (1<<1)
# define NI_NUMERICSERV (1<<2)
#endif
#ifndef AI_PASSIVE
# define AI_PASSIVE (1)
# define AI_CANONNAME (1<<1)
# 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 1
# define EAI_MEMORY 2
# define EAI_NONAME 3
#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
int getaddrinfo(const char *, const char *,
const struct addrinfo *, struct addrinfo **);
#endif /* !HAVE_GETADDRINFO */
#ifndef HAVE_GAI_STRERROR
char *gai_strerror(int);
#endif /* !HAVE_GAI_STRERROR */
#ifndef HAVE_FREEADDRINFO
void freeaddrinfo(struct addrinfo *);
#endif /* !HAVE_FREEADDRINFO */
#ifndef HAVE_GETNAMEINFO
int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
char *, size_t, int);
#endif /* !HAVE_GETNAMEINFO */
#endif /* !_FAKE_RFC2553_H */
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