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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#ifndef LWRES_NETDB_H
#define LWRES_NETDB_H 1
#include <stddef.h> /* Required on FreeBSD (and others?) for size_t. */
#include <netdb.h> /* Contractual provision. */
#include <lwres/lang.h>
/*
* Define if <netdb.h> does not declare struct addrinfo.
*/
#undef ISC_LWRES_NEEDADDRINFO
#ifdef ISC_LWRES_NEEDADDRINFO
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
/*
* Undefine all #defines we are interested in as <netdb.h> may or may not have
* defined them.
*/
/*
* Error return codes from gethostbyname() and gethostbyaddr()
* (left in extern int h_errno).
*/
#undef NETDB_INTERNAL
#undef NETDB_SUCCESS
#undef HOST_NOT_FOUND
#undef TRY_AGAIN
#undef NO_RECOVERY
#undef NO_DATA
#undef NO_ADDRESS
#define NETDB_INTERNAL -1 /* see errno */
#define NETDB_SUCCESS 0 /* no problem */
#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL */
#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
#define NO_DATA 4 /* Valid name, no data record of requested type */
#define NO_ADDRESS NO_DATA /* no address, look for MX record */
/*
* Error return codes from getaddrinfo()
*/
#undef EAI_ADDRFAMILY
#undef EAI_AGAIN
#undef EAI_BADFLAGS
#undef EAI_FAIL
#undef EAI_FAMILY
#undef EAI_MEMORY
#undef EAI_NODATA
#undef EAI_NONAME
#undef EAI_SERVICE
#undef EAI_SOCKTYPE
#undef EAI_SYSTEM
#undef EAI_BADHINTS
#undef EAI_PROTOCOL
#undef EAI_OVERFLOW
#undef EAI_MAX
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
#define EAI_AGAIN 2 /* temporary failure in name resolution */
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
#define EAI_FAMILY 5 /* ai_family not supported */
#define EAI_MEMORY 6 /* memory allocation failure */
#define EAI_NODATA 7 /* no address associated with hostname */
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
#define EAI_SYSTEM 11 /* system error returned in errno */
#define EAI_BADHINTS 12
#define EAI_PROTOCOL 13
#define EAI_OVERFLOW 14
#define EAI_MAX 15
/*
* Flag values for getaddrinfo()
*/
#undef AI_PASSIVE
#undef AI_CANONNAME
#undef AI_NUMERICHOST
#define AI_PASSIVE 0x00000001
#define AI_CANONNAME 0x00000002
#define AI_NUMERICHOST 0x00000004
/*
* Flag values for getipnodebyname()
*/
#undef AI_V4MAPPED
#undef AI_ALL
#undef AI_ADDRCONFIG
#undef AI_DEFAULT
#define AI_V4MAPPED 0x00000008
#define AI_ALL 0x00000010
#define AI_ADDRCONFIG 0x00000020
#define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG)
/*
* Constants for lwres_getnameinfo()
*/
#undef NI_MAXHOST
#undef NI_MAXSERV
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
/*
* Flag values for lwres_getnameinfo()
*/
#undef NI_NOFQDN
#undef NI_NUMERICHOST
#undef NI_NAMEREQD
#undef NI_NUMERICSERV
#undef NI_DGRAM
#undef NI_NUMERICSCOPE
#define NI_NOFQDN 0x00000001
#define NI_NUMERICHOST 0x00000002
#define NI_NAMEREQD 0x00000004
#define NI_NUMERICSERV 0x00000008
#define NI_DGRAM 0x00000010
#define NI_NUMERICSCOPE 0x00000020 /*2553bis-00*/
/*
* Define if <netdb.h> does not declare struct rrsetinfo.
*/
#define ISC_LWRES_NEEDRRSETINFO 1
#ifdef ISC_LWRES_NEEDRRSETINFO
/*
* Structures for getrrsetbyname()
*/
struct rdatainfo {
unsigned int rdi_length;
unsigned char *rdi_data;
};
struct rrsetinfo {
unsigned int rri_flags;
int rri_rdclass;
int rri_rdtype;
unsigned int rri_ttl;
unsigned int rri_nrdatas;
unsigned int rri_nsigs;
char *rri_name;
struct rdatainfo *rri_rdatas;
struct rdatainfo *rri_sigs;
};
/*
* Flags for getrrsetbyname()
*/
#define RRSET_VALIDATED 0x00000001
/* Set was dnssec validated */
/*
* Return codes for getrrsetbyname()
*/
#define ERRSET_SUCCESS 0
#define ERRSET_NOMEMORY 1
#define ERRSET_FAIL 2
#define ERRSET_INVAL 3
#define ERRSET_NONAME 4
#define ERRSET_NODATA 5
#endif
/*
* Define to map into lwres_ namespace.
*/
#define LWRES_NAMESPACE
#ifdef LWRES_NAMESPACE
/*
* Use our versions not the ones from the C library.
*/
#ifdef getnameinfo
#undef getnameinfo
#endif
#define getnameinfo lwres_getnameinfo
#ifdef getaddrinfo
#undef getaddrinfo
#endif
#define getaddrinfo lwres_getaddrinfo
#ifdef freeaddrinfo
#undef freeaddrinfo
#endif
#define freeaddrinfo lwres_freeaddrinfo
#ifdef gai_strerror
#undef gai_strerror
#endif
#define gai_strerror lwres_gai_strerror
#ifdef herror
#undef herror
#endif
#define herror lwres_herror
#ifdef hstrerror
#undef hstrerror
#endif
#define hstrerror lwres_hstrerror
#ifdef getipnodebyname
#undef getipnodebyname
#endif
#define getipnodebyname lwres_getipnodebyname
#ifdef getipnodebyaddr
#undef getipnodebyaddr
#endif
#define getipnodebyaddr lwres_getipnodebyaddr
#ifdef freehostent
#undef freehostent
#endif
#define freehostent lwres_freehostent
#ifdef gethostbyname
#undef gethostbyname
#endif
#define gethostbyname lwres_gethostbyname
#ifdef gethostbyname2
#undef gethostbyname2
#endif
#define gethostbyname2 lwres_gethostbyname2
#ifdef gethostbyaddr
#undef gethostbyaddr
#endif
#define gethostbyaddr lwres_gethostbyaddr
#ifdef gethostent
#undef gethostent
#endif
#define gethostent lwres_gethostent
#ifdef sethostent
#undef sethostent
#endif
#define sethostent lwres_sethostent
#ifdef endhostent
#undef endhostent
#endif
#define endhostent lwres_endhostent
/* #define sethostfile lwres_sethostfile */
#ifdef gethostbyname_r
#undef gethostbyname_r
#endif
#define gethostbyname_r lwres_gethostbyname_r
#ifdef gethostbyaddr_r
#undef gethostbyaddr_r
#endif
#define gethostbyaddr_r lwres_gethostbyaddr_r
#ifdef gethostent_r
#undef gethostent_r
#endif
#define gethostent_r lwres_gethostent_r
#ifdef sethostent_r
#undef sethostent_r
#endif
#define sethostent_r lwres_sethostent_r
#ifdef endhostent_r
#undef endhostent_r
#endif
#define endhostent_r lwres_endhostent_r
#ifdef getrrsetbyname
#undef getrrsetbyname
#endif
#define getrrsetbyname lwres_getrrsetbyname
#ifdef freerrset
#undef freerrset
#endif
#define freerrset lwres_freerrset
#ifdef notyet
#define getservbyname lwres_getservbyname
#define getservbyport lwres_getservbyport
#define getservent lwres_getservent
#define setservent lwres_setservent
#define endservent lwres_endservent
#define getservbyname_r lwres_getservbyname_r
#define getservbyport_r lwres_getservbyport_r
#define getservent_r lwres_getservent_r
#define setservent_r lwres_setservent_r
#define endservent_r lwres_endservent_r
#define getprotobyname lwres_getprotobyname
#define getprotobynumber lwres_getprotobynumber
#define getprotoent lwres_getprotoent
#define setprotoent lwres_setprotoent
#define endprotoent lwres_endprotoent
#define getprotobyname_r lwres_getprotobyname_r
#define getprotobynumber_r lwres_getprotobynumber_r
#define getprotoent_r lwres_getprotoent_r
#define setprotoent_r lwres_setprotoent_r
#define endprotoent_r lwres_endprotoent_r
#ifdef getnetbyname
#undef getnetbyname
#endif
#define getnetbyname lwres_getnetbyname
#ifdef getnetbyaddr
#undef getnetbyaddr
#endif
#define getnetbyaddr lwres_getnetbyaddr
#ifdef getnetent
#undef getnetent
#endif
#define getnetent lwres_getnetent
#ifdef setnetent
#undef setnetent
#endif
#define setnetent lwres_setnetent
#ifdef endnetent
#undef endnetent
#endif
#define endnetent lwres_endnetent
#ifdef getnetbyname_r
#undef getnetbyname_r
#endif
#define getnetbyname_r lwres_getnetbyname_r
#ifdef getnetbyaddr_r
#undef getnetbyaddr_r
#endif
#define getnetbyaddr_r lwres_getnetbyaddr_r
#ifdef getnetent_r
#undef getnetent_r
#endif
#define getnetent_r lwres_getnetent_r
#ifdef setnetent_r
#undef setnetent_r
#endif
#define setnetent_r lwres_setnetent_r
#ifdef endnetent_r
#undef endnetent_r
#endif
#define endnetent_r lwres_endnetent_r
#endif /* notyet */
#ifdef h_errno
#undef h_errno
#endif
#define h_errno lwres_h_errno
#endif /* LWRES_NAMESPACE */
LWRES_LANG_BEGINDECLS
extern int lwres_h_errno;
int lwres_getaddrinfo(const char *, const char *,
const struct addrinfo *, struct addrinfo **);
int lwres_getnameinfo(const struct sockaddr *, size_t, char *,
size_t, char *, size_t, int);
void lwres_freeaddrinfo(struct addrinfo *);
char *lwres_gai_strerror(int);
struct hostent *lwres_gethostbyaddr(const char *, int, int);
struct hostent *lwres_gethostbyname(const char *);
struct hostent *lwres_gethostbyname2(const char *, int);
struct hostent *lwres_gethostent(void);
struct hostent *lwres_getipnodebyname(const char *, int, int, int *);
struct hostent *lwres_getipnodebyaddr(const void *, size_t, int, int *);
void lwres_endhostent(void);
void lwres_sethostent(int);
/* void lwres_sethostfile(const char *); */
void lwres_freehostent(struct hostent *);
int lwres_getrrsetbyname(const char *, unsigned int, unsigned int,
unsigned int, struct rrsetinfo **);
void lwres_freerrset(struct rrsetinfo *);
#ifdef notyet
struct netent *lwres_getnetbyaddr(unsigned long, int);
struct netent *lwres_getnetbyname(const char *);
struct netent *lwres_getnetent(void);
void lwres_endnetent(void);
void lwres_setnetent(int);
struct protoent *lwres_getprotobyname(const char *);
struct protoent *lwres_getprotobynumber(int);
struct protoent *lwres_getprotoent(void);
void lwres_endprotoent(void);
void lwres_setprotoent(int);
struct servent *lwres_getservbyname(const char *, const char *);
struct servent *lwres_getservbyport(int, const char *);
struct servent *lwres_getservent(void);
void lwres_endservent(void);
void lwres_setservent(int);
#endif /* notyet */
void lwres_herror(const char *);
const char *lwres_hstrerror(int);
struct hostent *lwres_gethostbyaddr_r(const char *, int, int, struct hostent *,
char *, int, int *);
struct hostent *lwres_gethostbyname_r(const char *, struct hostent *,
char *, int, int *);
struct hostent *lwres_gethostent_r(struct hostent *, char *, int, int *);
void lwres_sethostent_r(int);
void lwres_endhostent_r(void);
#ifdef notyet
struct netent *lwres_getnetbyname_r(const char *, struct netent *,
char *, int);
struct netent *lwres_getnetbyaddr_r(long, int, struct netent *,
char *, int);
struct netent *lwres_getnetent_r(struct netent *, char *, int);
void lwres_setnetent_r(int);
void lwres_endnetent_r(void);
struct protoent *lwres_getprotobyname_r(const char *,
struct protoent *, char *, int);
struct protoent *lwres_getprotobynumber_r(int,
struct protoent *, char *, int);
struct protoent *lwres_getprotoent_r(struct protoent *, char *, int);
void lwres_setprotoent_r(int);
void lwres_endprotoent_r(void);
struct servent *lwres_getservbyname_r(const char *name, const char *,
struct servent *, char *, int);
struct servent *lwres_getservbyport_r(int port, const char *,
struct servent *, char *, int);
struct servent *lwres_getservent_r(struct servent *, char *, int);
void lwres_setservent_r(int);
void lwres_endservent_r(void);
#endif /* notyet */
LWRES_LANG_ENDDECLS
#ifdef notyet
/* This is nec'y to make this include file properly replace the sun version. */
#ifdef sun
#ifdef __GNU_LIBRARY__
#include <rpc/netdb.h> /* Required. */
#else /* !__GNU_LIBRARY__ */
struct rpcent {
char *r_name; /* name of server for this rpc program */
char **r_aliases; /* alias list */
int r_number; /* rpc program number */
};
struct rpcent *lwres_getrpcbyname();
struct rpcent *lwres_getrpcbynumber(),
struct rpcent *lwres_getrpcent();
#endif /* __GNU_LIBRARY__ */
#endif /* sun */
#endif /* notyet */
/*
* Tell Emacs to use C mode on this file.
* Local variables:
* mode: c
* End:
*/
#endif /* LWRES_NETDB_H */
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