/* * Copyright 2014 Garrett D'Amore <garrett@damore.org> * * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * BIND 4.9.3: * * Copyright (c) 1980, 1983, 1988, 1993 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * - * Portions Copyright (c) 1993 by Digital Equipment Corporation. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * SOFTWARE. * --Copyright-- * * End BIND 4.9.3 */ /* * Structures returned by network data base library. * All addresses are supplied in host order, and * returned in network order (suitable for use in system calls). */ #ifndef _NETDB_H #define _NETDB_H #include <sys/types.h> #include <netinet/in.h> #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) #include <sys/socket.h> #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ #include <sys/feature_tests.h> #ifdef __cplusplus extern "C" { #endif #define _PATH_HEQUIV "/etc/hosts.equiv" #define _PATH_HOSTS "/etc/hosts" #define _PATH_IPNODES "/etc/inet/ipnodes" #define _PATH_IPSECALGS "/etc/inet/ipsecalgs" #define _PATH_NETMASKS "/etc/netmasks" #define _PATH_NETWORKS "/etc/networks" #define _PATH_PROTOCOLS "/etc/protocols" #define _PATH_SERVICES "/etc/services" struct hostent { char *h_name; /* official name of host */ char **h_aliases; /* alias list */ int h_addrtype; /* host address type */ int h_length; /* length of address */ char **h_addr_list; /* list of addresses from name server */ #define h_addr h_addr_list[0] /* address, for backward compatiblity */ }; /* * addrinfo introduced with IPv6 for Protocol-Independent Hostname * and Service Name Translation. */ #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 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 */ #ifdef __sparcv9 int _ai_pad; /* for backwards compat with old size_t */ #endif /* __sparcv9 */ socklen_t ai_addrlen; char *ai_canonname; /* canonical name for hostname */ struct sockaddr *ai_addr; /* binary address */ struct addrinfo *ai_next; /* next structure in linked list */ }; /* * The flag 0x8000 is currently reserved for private use between libnsl and * libsocket. See lib/libsocket/inet/getaddrinfo.c for more information. */ /* addrinfo flags */ #define AI_PASSIVE 0x0008 /* intended for bind() + listen() */ #define AI_CANONNAME 0x0010 /* return canonical version of host */ #define AI_NUMERICHOST 0x0020 /* use numeric node address string */ #define AI_NUMERICSERV 0x0040 /* servname is assumed numeric */ /* getipnodebyname() flags */ #define AI_V4MAPPED 0x0001 /* IPv4 mapped addresses if no IPv6 */ #define AI_ALL 0x0002 /* IPv6 and IPv4 mapped addresses */ #define AI_ADDRCONFIG 0x0004 /* AAAA or A records only if IPv6/IPv4 cnfg'd */ /* * These were defined in RFC 2553 but not SUSv3 * or RFC 3493 which obsoleted 2553. */ #if !defined(_XPG6) || defined(__EXTENSIONS__) #define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG) /* addrinfo errors */ #define EAI_ADDRFAMILY 1 /* address family not supported */ #define EAI_NODATA 7 /* no address */ #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */ #define EAI_AGAIN 2 /* DNS temporary failure */ #define EAI_BADFLAGS 3 /* invalid ai_flags */ #define EAI_FAIL 4 /* DNS non-recoverable failure */ #define EAI_FAMILY 5 /* ai_family not supported */ #define EAI_MEMORY 6 /* memory allocation failure */ #define EAI_NONAME 8 /* host/servname 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 in errno */ #define EAI_OVERFLOW 12 /* argument buffer overflow */ #define EAI_PROTOCOL 13 #define EAI_MAX 14 /* getnameinfo flags */ #define NI_NOFQDN 0x0001 #define NI_NUMERICHOST 0x0002 /* return numeric form of address */ #define NI_NAMEREQD 0x0004 /* request DNS name */ #define NI_NUMERICSERV 0x0008 #define NI_DGRAM 0x0010 #if !defined(_XPG6) || defined(__EXTENSIONS__) /* Not listed in any standards document */ #define NI_WITHSCOPEID 0x0020 #define NI_NUMERICSCOPE 0x0040 /* getnameinfo max sizes as defined in RFC 2553 obsoleted in RFC 3493 */ #define NI_MAXHOST 1025 #define NI_MAXSERV 32 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */ #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ /* * Scope delimit character */ #define SCOPE_DELIMITER '%' /* * Algorithm entry for /etc/inet/ipsecalgs which defines IPsec protocols * and algorithms. */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) typedef struct ipsecalgent { char **a_names; /* algorithm names */ int a_proto_num; /* protocol number */ int a_alg_num; /* algorithm number */ char *a_mech_name; /* encryption framework mechanism name */ int *a_block_sizes; /* supported block sizes */ int *a_key_sizes; /* supported key sizes */ int a_key_increment; /* key size increment */ int *a_mech_params; /* mechanism specific parameters */ int a_alg_flags; /* algorithm flags */ } ipsecalgent_t; /* well-known IPsec protocol numbers */ #define IPSEC_PROTO_AH 2 #define IPSEC_PROTO_ESP 3 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * Assumption here is that a network number * fits in 32 bits -- probably a poor one. */ struct netent { char *n_name; /* official name of net */ char **n_aliases; /* alias list */ int n_addrtype; /* net address type */ in_addr_t n_net; /* network # */ }; struct protoent { char *p_name; /* official protocol name */ char **p_aliases; /* alias list */ int p_proto; /* protocol # */ }; struct servent { char *s_name; /* official service name */ char **s_aliases; /* alias list */ int s_port; /* port # */ char *s_proto; /* protocol to use */ }; #if !defined(_XPG4_2) || defined(__EXTENSIONS__) struct hostent *gethostbyname_r (const char *, struct hostent *, char *, int, int *h_errnop); struct hostent *gethostbyaddr_r (const char *, int, int, struct hostent *, char *, int, int *h_errnop); struct hostent *getipnodebyname(const char *, int, int, int *); struct hostent *getipnodebyaddr(const void *, size_t, int, int *); void freehostent(struct hostent *); struct hostent *gethostent_r(struct hostent *, char *, int, int *h_errnop); struct servent *getservbyname_r (const char *name, const char *, struct servent *, char *, int); struct servent *getservbyport_r (int port, const char *, struct servent *, char *, int); struct servent *getservent_r(struct servent *, char *, int); struct netent *getnetbyname_r (const char *, struct netent *, char *, int); struct netent *getnetbyaddr_r(long, int, struct netent *, char *, int); struct netent *getnetent_r(struct netent *, char *, int); struct protoent *getprotobyname_r (const char *, struct protoent *, char *, int); struct protoent *getprotobynumber_r (int, struct protoent *, char *, int); struct protoent *getprotoent_r(struct protoent *, char *, int); int getnetgrent_r(char **, char **, char **, char *, int); int innetgr(const char *, const char *, const char *, const char *); #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* Old interfaces that return a pointer to a static area; MT-unsafe */ struct hostent *gethostbyname(const char *); struct hostent *gethostent(void); struct netent *getnetbyaddr(in_addr_t, int); struct netent *getnetbyname(const char *); struct netent *getnetent(void); struct protoent *getprotobyname(const char *); struct protoent *getprotobynumber(int); struct protoent *getprotoent(void); struct servent *getservbyname(const char *, const char *); struct servent *getservbyport(int, const char *); struct servent *getservent(void); /* gethostbyaddr() second argument is a size_t only in unix95/unix98 */ #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) struct hostent *gethostbyaddr(const void *, socklen_t, int); #else struct hostent *gethostbyaddr(const void *, size_t, int); #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) int endhostent(void); int endnetent(void); int endprotoent(void); int endservent(void); int sethostent(int); int setnetent(int); int setprotoent(int); int setservent(int); #else void endhostent(void); void endnetent(void); void endprotoent(void); void endservent(void); void sethostent(int); void setnetent(int); void setprotoent(int); void setservent(int); #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) #ifdef _XPG6 #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname getaddrinfo __xnet_getaddrinfo #else /* __PRAGMA_REDEFINE_EXTNAME */ #define getaddrinfo __xnet_getaddrinfo #endif /* __PRAGMA_REDEFINE_EXTNAME */ #endif /* _XPG6 */ int getaddrinfo(const char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, const struct addrinfo *_RESTRICT_KYWD, struct addrinfo **_RESTRICT_KYWD); void freeaddrinfo(struct addrinfo *); const char *gai_strerror(int); int getnameinfo(const struct sockaddr *_RESTRICT_KYWD, socklen_t, char *_RESTRICT_KYWD, socklen_t, char *_RESTRICT_KYWD, socklen_t, int); #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) int getnetgrent(char **, char **, char **); int setnetgrent(const char *); int endnetgrent(void); int rcmd(char **, unsigned short, const char *, const char *, const char *, int *); int rcmd_af(char **, unsigned short, const char *, const char *, const char *, int *, int); int rresvport_af(int *, int); int rresvport_addr(int *, struct sockaddr_storage *); int rexec(char **, unsigned short, const char *, const char *, const char *, int *); int rexec_af(char **, unsigned short, const char *, const char *, const char *, int *, int); int rresvport(int *); int ruserok(const char *, int, const char *, const char *); /* BIND */ struct hostent *gethostbyname2(const char *, int); void herror(const char *); const char *hstrerror(int); /* End BIND */ /* IPsec algorithm prototype definitions */ struct ipsecalgent *getipsecalgbyname(const char *, int, int *); struct ipsecalgent *getipsecalgbynum(int, int, int *); int getipsecprotobyname(const char *doi_name); char *getipsecprotobynum(int doi_domain); void freeipsecalgent(struct ipsecalgent *ptr); /* END IPsec algorithm prototype definitions */ #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * Error return codes from gethostbyname() and gethostbyaddr() * (when using the resolver) */ extern int h_errno; #ifdef _REENTRANT extern int *__h_errno(void); /* Only #define h_errno if there is no conflict with other use */ #ifdef H_ERRNO_IS_FUNCTION #define h_errno (*__h_errno()) #endif /* NO_H_ERRNO_DEFINE */ #endif /* _REENTRANT */ /* * Error return codes from gethostbyname() and gethostbyaddr() * (left in extern int h_errno). */ #define HOST_NOT_FOUND 1 /* Authoritive Answer Host not found */ #define TRY_AGAIN 2 /* Non-Authoritive 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 */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #define NO_ADDRESS NO_DATA /* no address, look for MX record */ /* BIND */ #define NETDB_INTERNAL -1 /* see errno */ #define NETDB_SUCCESS 0 /* no problem */ /* End BIND */ #define MAXHOSTNAMELEN 256 #define MAXALIASES 35 #define MAXADDRS 35 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ #ifdef __cplusplus } #endif #endif /* _NETDB_H */
