netdb.h revision 1.1.1.4
1 /* $NetBSD: netdb.h,v 1.1.1.4 2004/11/07 01:33:17 christos Exp $ */ 2 3 /* 4 * ++Copyright++ 1980, 1983, 1988, 1993 5 * - 6 * Copyright (c) 1980, 1983, 1988, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * - 37 * Portions Copyright (c) 1993 by Digital Equipment Corporation. 38 * 39 * Permission to use, copy, modify, and distribute this software for any 40 * purpose with or without fee is hereby granted, provided that the above 41 * copyright notice and this permission notice appear in all copies, and that 42 * the name of Digital Equipment Corporation not be used in advertising or 43 * publicity pertaining to distribution of the document or software without 44 * specific, written prior permission. 45 * 46 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL 47 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT 49 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 50 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 51 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 52 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 53 * SOFTWARE. 54 * - 55 * Portions Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 56 * All rights reserved. 57 * 58 * Redistribution and use in source and binary forms, with or without 59 * modification, are permitted provided that the following conditions 60 * are met: 61 * 1. Redistributions of source code must retain the above copyright 62 * notice, this list of conditions and the following disclaimer. 63 * 2. Redistributions in binary form must reproduce the above copyright 64 * notice, this list of conditions and the following disclaimer in the 65 * documentation and/or other materials provided with the distribution. 66 * 3. All advertising materials mentioning features or use of this software 67 * must display the following acknowledgement: 68 * This product includes software developed by WIDE Project and 69 * its contributors. 70 * 4. Neither the name of the project nor the names of its contributors 71 * may be used to endorse or promote products derived from this software 72 * without specific prior written permission. 73 * 74 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 75 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 76 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 77 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 78 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 79 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 80 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 81 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 82 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 83 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 84 * SUCH DAMAGE. 85 * - 86 * --Copyright-- 87 */ 88 89 /* 90 * @(#)netdb.h 8.1 (Berkeley) 6/2/93 91 * Id: netdb.h,v 1.12.2.1.4.4 2004/03/16 02:19:19 marka Exp 92 */ 93 94 #ifndef _NETDB_H_ 95 #define _NETDB_H_ 96 97 #include <sys/param.h> 98 #include <sys/types.h> 99 #if (!defined(BSD)) || (BSD < 199306) 100 # include <sys/bitypes.h> 101 #endif 102 #include <sys/cdefs.h> 103 #include <sys/socket.h> 104 #include <netinet/in.h> 105 #include <stdio.h> 106 107 #ifndef _PATH_HEQUIV 108 #define _PATH_HEQUIV "/etc/hosts.equiv" 109 #endif 110 #ifndef _PATH_HOSTS 111 #define _PATH_HOSTS "/etc/hosts" 112 #endif 113 #ifndef _PATH_NETWORKS 114 #define _PATH_NETWORKS "/etc/networks" 115 #endif 116 #ifndef _PATH_PROTOCOLS 117 #define _PATH_PROTOCOLS "/etc/protocols" 118 #endif 119 #ifndef _PATH_SERVICES 120 #define _PATH_SERVICES "/etc/services" 121 #endif 122 123 #if (__GLIBC__ > 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) 124 #define __h_errno __h_errno_location 125 #endif 126 __BEGIN_DECLS 127 extern int * __h_errno __P((void)); 128 __END_DECLS 129 #if defined(_REENTRANT) || \ 130 (__GLIBC__ > 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) 131 #define h_errno (*__h_errno()) 132 #else 133 extern int h_errno; 134 #endif 135 136 /* 137 * Structures returned by network data base library. All addresses are 138 * supplied in host order, and returned in network order (suitable for 139 * use in system calls). 140 */ 141 struct hostent { 142 char *h_name; /* official name of host */ 143 char **h_aliases; /* alias list */ 144 int h_addrtype; /* host address type */ 145 int h_length; /* length of address */ 146 char **h_addr_list; /* list of addresses from name server */ 147 #define h_addr h_addr_list[0] /* address, for backward compatiblity */ 148 }; 149 150 /* 151 * Assumption here is that a network number 152 * fits in an unsigned long -- probably a poor one. 153 */ 154 struct netent { 155 char *n_name; /* official name of net */ 156 char **n_aliases; /* alias list */ 157 int n_addrtype; /* net address type */ 158 unsigned long n_net; /* network # */ 159 }; 160 161 struct servent { 162 char *s_name; /* official service name */ 163 char **s_aliases; /* alias list */ 164 int s_port; /* port # */ 165 char *s_proto; /* protocol to use */ 166 }; 167 168 struct protoent { 169 char *p_name; /* official protocol name */ 170 char **p_aliases; /* alias list */ 171 int p_proto; /* protocol # */ 172 }; 173 174 struct addrinfo { 175 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 176 int ai_family; /* PF_xxx */ 177 int ai_socktype; /* SOCK_xxx */ 178 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 179 #if defined(sun) && defined(_SOCKLEN_T) 180 #ifdef __sparc9 181 int _ai_pad; 182 #endif 183 socklen_t ai_addrlen; 184 #else 185 size_t ai_addrlen; /* length of ai_addr */ 186 #endif 187 #ifdef __linux 188 struct sockaddr *ai_addr; /* binary address */ 189 char *ai_canonname; /* canonical name for hostname */ 190 #else 191 char *ai_canonname; /* canonical name for hostname */ 192 struct sockaddr *ai_addr; /* binary address */ 193 #endif 194 struct addrinfo *ai_next; /* next structure in linked list */ 195 }; 196 197 /* 198 * Error return codes from gethostbyname() and gethostbyaddr() 199 * (left in extern int h_errno). 200 */ 201 202 #define NETDB_INTERNAL -1 /* see errno */ 203 #define NETDB_SUCCESS 0 /* no problem */ 204 #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */ 205 #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */ 206 #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ 207 #define NO_DATA 4 /* Valid name, no data record of requested type */ 208 #define NO_ADDRESS NO_DATA /* no address, look for MX record */ 209 210 /* 211 * Error return codes from getaddrinfo() 212 */ 213 #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ 214 #define EAI_AGAIN 2 /* temporary failure in name resolution */ 215 #define EAI_BADFLAGS 3 /* invalid value for ai_flags */ 216 #define EAI_FAIL 4 /* non-recoverable failure in name resolution */ 217 #define EAI_FAMILY 5 /* ai_family not supported */ 218 #define EAI_MEMORY 6 /* memory allocation failure */ 219 #define EAI_NODATA 7 /* no address associated with hostname */ 220 #define EAI_NONAME 8 /* hostname nor servname provided, or not known */ 221 #define EAI_SERVICE 9 /* servname not supported for ai_socktype */ 222 #define EAI_SOCKTYPE 10 /* ai_socktype not supported */ 223 #define EAI_SYSTEM 11 /* system error returned in errno */ 224 #define EAI_BADHINTS 12 225 #define EAI_PROTOCOL 13 226 #define EAI_MAX 14 227 228 /* 229 * Flag values for getaddrinfo() 230 */ 231 #define AI_PASSIVE 0x00000001 232 #define AI_CANONNAME 0x00000002 233 #define AI_NUMERICHOST 0x00000004 234 #define AI_MASK 0x00000007 235 236 /* 237 * Flag values for getipnodebyname() 238 */ 239 #define AI_V4MAPPED 0x00000008 240 #define AI_ALL 0x00000010 241 #define AI_ADDRCONFIG 0x00000020 242 #define AI_DEFAULT (AI_V4MAPPED|AI_ADDRCONFIG) 243 244 /* 245 * Constants for getnameinfo() 246 */ 247 #define NI_MAXHOST 1025 248 #define NI_MAXSERV 32 249 250 /* 251 * Flag values for getnameinfo() 252 */ 253 #define NI_NOFQDN 0x00000001 254 #define NI_NUMERICHOST 0x00000002 255 #define NI_NAMEREQD 0x00000004 256 #define NI_NUMERICSERV 0x00000008 257 #define NI_DGRAM 0x00000010 258 #define NI_WITHSCOPEID 0x00000020 259 #define NI_NUMERICSCOPE 0x00000040 260 261 /* 262 * Scope delimit character 263 */ 264 #define SCOPE_DELIMITER '%' 265 266 267 #ifdef _REENTRANT 268 #if defined (__hpux) || defined(__osf__) || defined(_AIX) 269 #define _MAXALIASES 35 270 #define _MAXLINELEN 1024 271 #define _MAXADDRS 35 272 #define _HOSTBUFSIZE (BUFSIZ + 1) 273 274 struct hostent_data { 275 struct in_addr host_addr; 276 char *h_addr_ptrs[_MAXADDRS + 1]; 277 char hostaddr[_MAXADDRS]; 278 char hostbuf[_HOSTBUFSIZE]; 279 char *host_aliases[_MAXALIASES]; 280 char *host_addrs[2]; 281 FILE *hostf; 282 #ifdef __osf__ 283 int svc_gethostflag; 284 int svc_gethostbind; 285 #endif 286 #ifdef __hpux 287 short _nsw_src; 288 short _flags; 289 char *current; 290 int currentlen; 291 #endif 292 }; 293 294 struct netent_data { 295 FILE *net_fp; 296 #ifdef __osf__ 297 char line[_MAXLINELEN]; 298 #endif 299 #ifdef __hpux 300 char line[_MAXLINELEN+1]; 301 #endif 302 char *net_aliases[_MAXALIASES]; 303 #ifdef __osf__ 304 int _net_stayopen; 305 int svc_getnetflag; 306 #endif 307 #ifdef __hpux 308 short _nsw_src; 309 short _flags; 310 char *current; 311 int currentlen; 312 #endif 313 }; 314 315 struct protoent_data { 316 FILE *proto_fp; 317 #ifdef __osf__ 318 char line[1024]; 319 #endif 320 #ifdef __hpux 321 char line[_MAXLINELEN+1]; 322 #endif 323 char *proto_aliases[_MAXALIASES]; 324 #ifdef __osf__ 325 int _proto_stayopen; 326 int svc_getprotoflag; 327 #endif 328 #ifdef __hpux 329 short _nsw_src; 330 short _flags; 331 char *current; 332 int currentlen; 333 #endif 334 }; 335 336 struct servent_data { 337 FILE *serv_fp; 338 #ifdef __osf__ 339 char line[_MAXLINELEN]; 340 #endif 341 #ifdef __hpux 342 char line[_MAXLINELEN+1]; 343 #endif 344 char *serv_aliases[_MAXALIASES]; 345 #ifdef __osf__ 346 int _serv_stayopen; 347 int svc_getservflag; 348 #endif 349 #ifdef __hpux 350 short _nsw_src; 351 short _flags; 352 char *current; 353 int currentlen; 354 #endif 355 }; 356 #endif 357 #endif 358 __BEGIN_DECLS 359 void endhostent __P((void)); 360 void endnetent __P((void)); 361 void endprotoent __P((void)); 362 void endservent __P((void)); 363 void freehostent __P((struct hostent *)); 364 struct hostent *gethostbyaddr __P((const char *, int, int)); 365 struct hostent *gethostbyname __P((const char *)); 366 struct hostent *gethostbyname2 __P((const char *, int)); 367 struct hostent *gethostent __P((void)); 368 struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *)); 369 struct hostent *getipnodebyname __P((const char *, int, int, int *)); 370 struct netent *getnetbyaddr __P((unsigned long, int)); 371 struct netent *getnetbyname __P((const char *)); 372 struct netent *getnetent __P((void)); 373 struct protoent *getprotobyname __P((const char *)); 374 struct protoent *getprotobynumber __P((int)); 375 struct protoent *getprotoent __P((void)); 376 struct servent *getservbyname __P((const char *, const char *)); 377 struct servent *getservbyport __P((int, const char *)); 378 struct servent *getservent __P((void)); 379 void herror __P((const char *)); 380 const char *hstrerror __P((int)); 381 void sethostent __P((int)); 382 /* void sethostfile __P((const char *)); */ 383 void setnetent __P((int)); 384 void setprotoent __P((int)); 385 void setservent __P((int)); 386 int getaddrinfo __P((const char *, const char *, 387 const struct addrinfo *, struct addrinfo **)); 388 int getnameinfo __P((const struct sockaddr *, size_t, char *, 389 size_t, char *, size_t, int)); 390 void freeaddrinfo __P((struct addrinfo *)); 391 const char *gai_strerror __P((int)); 392 struct hostent *getipnodebyname __P((const char *, int, int, int *)); 393 struct hostent *getipnodebyaddr __P((const void *, size_t, int, int *)); 394 void freehostent __P((struct hostent *)); 395 #ifdef __GLIBC__ 396 int getnetgrent __P((/* const */ char **, /* const */ char **, 397 /* const */ char **)); 398 void setnetgrent __P((const char *)); 399 void endnetgrent __P((void)); 400 int innetgr __P((const char *, const char *, const char *, 401 const char *)); 402 #endif 403 404 #ifdef _REENTRANT 405 #if defined(__hpux) || defined(__osf__) || defined(_AIX) 406 int gethostbyaddr_r __P((const char *, int, int, struct hostent *, 407 struct hostent_data *)); 408 int gethostbyname_r __P((const char *, struct hostent *, 409 struct hostent_data *)); 410 int gethostent_r __P((struct hostent *, struct hostent_data *)); 411 #if defined(_AIX) 412 void sethostent_r __P((int, struct hostent_data *)); 413 #else 414 int sethostent_r __P((int, struct hostent_data *)); 415 #endif 416 #if defined(__hpux) 417 int endhostent_r __P((struct hostent_data *)); 418 #else 419 void endhostent_r __P((struct hostent_data *)); 420 #endif 421 422 #if defined(__hpux) || defined(__osf__) 423 int getnetbyaddr_r __P((int, int, 424 struct netent *, struct netent_data *)); 425 #else 426 int getnetbyaddr_r __P((long, int, 427 struct netent *, struct netent_data *)); 428 #endif 429 int getnetbyname_r __P((const char *, 430 struct netent *, struct netent_data *)); 431 int getnetent_r __P((struct netent *, struct netent_data *)); 432 int setnetent_r __P((int, struct netent_data *)); 433 #ifdef __hpux 434 int endnetent_r __P((struct netent_data *buffer)); 435 #else 436 void endnetent_r __P((struct netent_data *buffer)); 437 #endif 438 439 int getprotobyname_r __P((const char *, 440 struct protoent *, struct protoent_data *)); 441 int getprotobynumber_r __P((int, 442 struct protoent *, struct protoent_data *)); 443 int getprotoent_r __P((struct protoent *, struct protoent_data *)); 444 int setprotoent_r __P((int, struct protoent_data *)); 445 #ifdef __hpux 446 int endprotoent_r __P((struct protoent_data *)); 447 #else 448 void endprotoent_r __P((struct protoent_data *)); 449 #endif 450 451 int getservbyname_r __P((const char *, const char *, 452 struct servent *, struct servent_data *)); 453 int getservbyport_r __P((int, const char *, 454 struct servent *, struct servent_data *)); 455 int getservent_r __P((struct servent *, struct servent_data *)); 456 int setservent_r __P((int, struct servent_data *)); 457 #ifdef __hpux 458 int endservent_r __P((struct servent_data *)); 459 #else 460 void endservent_r __P((struct servent_data *)); 461 #endif 462 #else 463 /* defined(sun) || defined(bsdi) */ 464 #ifdef __GLIBC__ 465 int gethostbyaddr_r __P((const char *, int, int, struct hostent *, 466 char *, size_t, struct hostent **, int *)); 467 int gethostbyname_r __P((const char *, struct hostent *, 468 char *, size_t, struct hostent **, int *)); 469 int gethostent_r __P((struct hostent *, char *, size_t, 470 struct hostent **, int *)); 471 #else 472 struct hostent *gethostbyaddr_r __P((const char *, int, int, struct hostent *, 473 char *, int, int *)); 474 struct hostent *gethostbyname_r __P((const char *, struct hostent *, 475 char *, int, int *)); 476 struct hostent *gethostent_r __P((struct hostent *, char *, int, int *)); 477 #endif 478 void sethostent_r __P((int)); 479 void endhostent_r __P((void)); 480 481 #ifdef __GLIBC__ 482 int getnetbyname_r __P((const char *, struct netent *, 483 char *, size_t, struct netent **, int*)); 484 int getnetbyaddr_r __P((unsigned long int, int, struct netent *, 485 char *, size_t, struct netent **, int*)); 486 int getnetent_r __P((struct netent *, char *, size_t, struct netent **, int*)); 487 #else 488 struct netent *getnetbyname_r __P((const char *, struct netent *, 489 char *, int)); 490 struct netent *getnetbyaddr_r __P((long, int, struct netent *, 491 char *, int)); 492 struct netent *getnetent_r __P((struct netent *, char *, int)); 493 #endif 494 void setnetent_r __P((int)); 495 void endnetent_r __P((void)); 496 497 #ifdef __GLIBC__ 498 int getprotobyname_r __P((const char *, struct protoent *, char *, 499 size_t, struct protoent **)); 500 int getprotobynumber_r __P((int, struct protoent *, char *, size_t, 501 struct protoent **)); 502 int getprotoent_r __P((struct protoent *, char *, size_t, struct protoent **)); 503 #else 504 struct protoent *getprotobyname_r __P((const char *, 505 struct protoent *, char *, int)); 506 struct protoent *getprotobynumber_r __P((int, 507 struct protoent *, char *, int)); 508 struct protoent *getprotoent_r __P((struct protoent *, char *, int)); 509 #endif 510 void setprotoent_r __P((int)); 511 void endprotoent_r __P((void)); 512 513 #ifdef __GLIBC__ 514 int getservbyname_r __P((const char *name, const char *, 515 struct servent *, char *, size_t, struct servent **)); 516 int getservbyport_r __P((int port, const char *, 517 struct servent *, char *, size_t, struct servent **)); 518 int getservent_r __P((struct servent *, char *, size_t, struct servent **)); 519 #else 520 struct servent *getservbyname_r __P((const char *name, const char *, 521 struct servent *, char *, int)); 522 struct servent *getservbyport_r __P((int port, const char *, 523 struct servent *, char *, int)); 524 struct servent *getservent_r __P((struct servent *, char *, int)); 525 #endif 526 void setservent_r __P((int)); 527 void endservent_r __P((void)); 528 529 #ifdef __GLIBC__ 530 int getnetgrent_r __P((char **, char **, char **, char *, size_t)); 531 #endif 532 533 #endif 534 #endif 535 __END_DECLS 536 537 /* This is nec'y to make this include file properly replace the sun version. */ 538 #ifdef sun 539 #ifdef __GNU_LIBRARY__ 540 #include <rpc/netdb.h> 541 #else 542 struct rpcent { 543 char *r_name; /* name of server for this rpc program */ 544 char **r_aliases; /* alias list */ 545 int r_number; /* rpc program number */ 546 }; 547 struct rpcent *getrpcbyname(), *getrpcbynumber(), *getrpcent(); 548 #endif /* __GNU_LIBRARY__ */ 549 #endif /* sun */ 550 551 #endif /* !_NETDB_H_ */ 552
Indexes created Sun Oct 19 19:09:49 GMT 2025