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Diffstat (limited to 'include/netdb.h')
| -rw-r--r-- | include/netdb.h | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/include/netdb.h b/include/netdb.h new file mode 100644 index 0000000..0f7303e --- /dev/null +++ b/include/netdb.h @@ -0,0 +1,329 @@ +/* $OpenBSD: netdb.h,v 1.33 2015/01/18 20:29:31 deraadt Exp $ */ + +/* + * ++Copyright++ 1980, 1983, 1988, 1993 + * - + * 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. 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-- + */ + +/* + * Copyright (c) 1995, 1996, 1997, 1998, 1999 Craig Metz. 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 author nor the names of any 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. + */ + +/* + * @(#)netdb.h 8.1 (Berkeley) 6/2/93 + * $From: netdb.h,v 8.7 1996/05/09 05:59:09 vixie Exp $ + */ + +#ifndef _NETDB_H_ +#define _NETDB_H_ + +#include <netinet/in.h> + +#ifndef _SOCKLEN_T_DEFINED_ +#define _SOCKLEN_T_DEFINED_ +typedef __socklen_t socklen_t; /* length type for network syscalls */ +#endif + +#define _PATH_HEQUIV "/etc/hosts.equiv" +#define _PATH_HOSTS "/etc/hosts" +#define _PATH_NETWORKS "/etc/networks" +#define _PATH_PROTOCOLS "/etc/protocols" +#define _PATH_SERVICES "/etc/services" + +/* + * 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). + */ +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 compatibility */ +}; + +/* + * Assumption here is that a network number + * fits in an in_addr_t -- 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 servent { + char *s_name; /* official service name */ + char **s_aliases; /* alias list */ + int s_port; /* port # */ + char *s_proto; /* protocol to use */ +}; + +struct protoent { + char *p_name; /* official protocol name */ + char **p_aliases; /* alias list */ + int p_proto; /* protocol # */ +}; + +#if __BSD_VISIBLE || __POSIX_VISIBLE < 200809 +extern int h_errno; + +/* + * Error return codes from gethostbyname() and gethostbyaddr() + * (left in extern int h_errno). + */ + +#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 */ +#endif /* __BSD_VISIBLE || __POSIX_VISIBLE < 200809 */ + +/* Values for getaddrinfo() and getnameinfo() */ +#define AI_PASSIVE 1 /* socket address is intended for bind() */ +#define AI_CANONNAME 2 /* request for canonical name */ +#define AI_NUMERICHOST 4 /* don't ever try hostname lookup */ +#define AI_EXT 8 /* enable non-portable extensions */ +#define AI_NUMERICSERV 16 /* don't ever try servname lookup */ +#define AI_FQDN 32 /* return the FQDN that was resolved */ +#define AI_ADDRCONFIG 64 /* return configured address families only */ +/* valid flags for addrinfo */ +#define AI_MASK \ + (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV | AI_FQDN | \ + AI_ADDRCONFIG) + +#define NI_NUMERICHOST 1 /* return the host address, not the name */ +#define NI_NUMERICSERV 2 /* return the service address, not the name */ +#define NI_NOFQDN 4 /* return a short name if in the local domain */ +#define NI_NAMEREQD 8 /* fail if either host or service name is unknown */ +#define NI_DGRAM 16 /* look up datagram service instead of stream */ +/* #define NI_NUMERICSCOPE 32 return the scope number, not the name */ + +#if __BSD_VISIBLE +#define NI_MAXHOST 256 /* max host name from getnameinfo (MAXHOSTNAMELEN) */ +#define NI_MAXSERV 32 /* max serv. name length returned by getnameinfo */ + +/* + * Scope delimit character (KAME hack) + */ +#define SCOPE_DELIMITER '%' +#endif + +#define EAI_BADFLAGS -1 /* invalid value for ai_flags */ +#define EAI_NONAME -2 /* name or service is not known */ +#define EAI_AGAIN -3 /* temporary failure in name resolution */ +#define EAI_FAIL -4 /* non-recoverable failure in name resolution */ +#define EAI_NODATA -5 /* no address associated with name */ +#define EAI_FAMILY -6 /* ai_family not supported */ +#define EAI_SOCKTYPE -7 /* ai_socktype not supported */ +#define EAI_SERVICE -8 /* service not supported for ai_socktype */ +#define EAI_ADDRFAMILY -9 /* address family for name not supported */ +#define EAI_MEMORY -10 /* memory allocation failure */ +#define EAI_SYSTEM -11 /* system error (code indicated in errno) */ +#define EAI_BADHINTS -12 /* invalid value for hints */ +#define EAI_PROTOCOL -13 /* resolved protocol is unknown */ +#define EAI_OVERFLOW -14 /* argument buffer overflow */ + +struct addrinfo { + int ai_flags; /* input flags */ + int ai_family; /* protocol family for socket */ + int ai_socktype; /* socket type */ + int ai_protocol; /* protocol for socket */ + socklen_t ai_addrlen; /* length of socket-address */ + struct sockaddr *ai_addr; /* socket-address for socket */ + char *ai_canonname; /* canonical name for service location (iff req) */ + struct addrinfo *ai_next; /* pointer to next in list */ +}; + +#if __BSD_VISIBLE +/* + * Flags for getrrsetbyname() + */ +#define RRSET_VALIDATED 1 + +/* + * 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 + +/* + * Structures used by getrrsetbyname() and freerrset() + */ +struct rdatainfo { + unsigned int rdi_length; /* length of data */ + unsigned char *rdi_data; /* record data */ +}; + +struct rrsetinfo { + unsigned int rri_flags; /* RRSET_VALIDATED ... */ + unsigned int rri_rdclass; /* class number */ + unsigned int rri_rdtype; /* RR type number */ + unsigned int rri_ttl; /* time to live */ + unsigned int rri_nrdatas; /* size of rdatas array */ + unsigned int rri_nsigs; /* size of sigs array */ + char *rri_name; /* canonical name */ + struct rdatainfo *rri_rdatas; /* individual records */ + struct rdatainfo *rri_sigs; /* individual signatures */ +}; + +struct servent_data { + void *fp; + char **aliases; + int maxaliases; + int stayopen; + char *line; +}; + +struct protoent_data { + void *fp; + char **aliases; + int maxaliases; + int stayopen; + char *line; +}; +#endif + +__BEGIN_DECLS +void endhostent(void); +void endnetent(void); +void endprotoent(void); +void endservent(void); +#if __BSD_VISIBLE || __POSIX_VISIBLE < 200809 +struct hostent *gethostbyaddr(const void *, socklen_t, int); +struct hostent *gethostbyname(const char *); +#endif +#if __BSD_VISIBLE +struct hostent *gethostbyname2(const char *, int); +#endif +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); +#if __BSD_VISIBLE +void herror(const char *); +const char *hstrerror(int); +#endif +void sethostent(int); +/* void sethostfile(const char *); */ +void setnetent(int); +void setprotoent(int); +void setservent(int); + +#if __BSD_VISIBLE +void endprotoent_r(struct protoent_data *); +void endservent_r(struct servent_data *); +int getprotobyname_r(const char *, struct protoent *, + struct protoent_data *); +int getprotobynumber_r(int, struct protoent *, + struct protoent_data *); +int getservbyname_r(const char *, const char *, struct servent *, + struct servent_data *); +int getservbyport_r(int, const char *, struct servent *, + struct servent_data *); +int getservent_r(struct servent *, struct servent_data *); +int getprotoent_r(struct protoent *, struct protoent_data *); +void setprotoent_r(int, struct protoent_data *); +void setservent_r(int, struct servent_data *); +#endif + +int getaddrinfo(const char *, const char *, + const struct addrinfo *, struct addrinfo **); +void freeaddrinfo(struct addrinfo *); +int getnameinfo(const struct sockaddr *, socklen_t, + char *, size_t, char *, size_t, int); +const char *gai_strerror(int); + +#if __BSD_VISIBLE +int getrrsetbyname(const char *, unsigned int, unsigned int, unsigned int, struct rrsetinfo **); +void freerrset(struct rrsetinfo *); +#endif +__END_DECLS + +#endif /* !_NETDB_H_ */ |