contrib/bind-9.2.4rc7/lib/lwres/include/lwres/netdb.h.in

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 2000, 2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: netdb.h.in,v 1.34.2.1 2004/03/09 06:12:37 marka Exp $ */
  19
  20 #ifndef LWRES_NETDB_H
  21 #define LWRES_NETDB_H 1
  22
  23 #include <stddef.h>     /* Required on FreeBSD (and  others?) for size_t. */
  24 #include <netdb.h>      /* Contractual provision. */
  25
  26 #include <lwres/lang.h>
  27
  28 /*
  29  * Define if <netdb.h> does not declare struct addrinfo.
  30  */
  31 @ISC_LWRES_NEEDADDRINFO@
  32
  33 #ifdef ISC_LWRES_NEEDADDRINFO
  34 struct addrinfo {
  35         int             ai_flags;      /* AI_PASSIVE, AI_CANONNAME */
  36         int             ai_family;     /* PF_xxx */
  37         int             ai_socktype;   /* SOCK_xxx */
  38         int             ai_protocol;   /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
  39         size_t          ai_addrlen;    /* Length of ai_addr */
  40         char            *ai_canonname; /* Canonical name for hostname */
  41         struct sockaddr *ai_addr;      /* Binary address */
  42         struct addrinfo *ai_next;      /* Next structure in linked list */
  43 };
  44 #endif
  45
  46 /*
  47  * Undefine all #defines we are interested in as <netdb.h> may or may not have
  48  * defined them.
  49  */
  50
  51 /*
  52  * Error return codes from gethostbyname() and gethostbyaddr()
  53  * (left in extern int h_errno).
  54  */
  55
  56 #undef  NETDB_INTERNAL
  57 #undef  NETDB_SUCCESS
  58 #undef  HOST_NOT_FOUND
  59 #undef  TRY_AGAIN
  60 #undef  NO_RECOVERY
  61 #undef  NO_DATA
  62 #undef  NO_ADDRESS
  63
  64 #define NETDB_INTERNAL  -1      /* see errno */
  65 #define NETDB_SUCCESS   0       /* no problem */
  66 #define HOST_NOT_FOUND  1 /* Authoritative Answer Host not found */
  67 #define TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */
  68 #define NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
  69 #define NO_DATA         4 /* Valid name, no data record of requested type */
  70 #define NO_ADDRESS      NO_DATA         /* no address, look for MX record */
  71
  72 /*
  73  * Error return codes from getaddrinfo()
  74  */
  75
  76 #undef  EAI_ADDRFAMILY
  77 #undef  EAI_AGAIN
  78 #undef  EAI_BADFLAGS
  79 #undef  EAI_FAIL
  80 #undef  EAI_FAMILY
  81 #undef  EAI_MEMORY
  82 #undef  EAI_NODATA
  83 #undef  EAI_NONAME
  84 #undef  EAI_SERVICE
  85 #undef  EAI_SOCKTYPE
  86 #undef  EAI_SYSTEM
  87 #undef  EAI_BADHINTS
  88 #undef  EAI_PROTOCOL
  89 #undef  EAI_MAX
  90
  91 #define EAI_ADDRFAMILY   1      /* address family for hostname not supported */
  92 #define EAI_AGAIN        2      /* temporary failure in name resolution */
  93 #define EAI_BADFLAGS     3      /* invalid value for ai_flags */
  94 #define EAI_FAIL         4      /* non-recoverable failure in name resolution */
  95 #define EAI_FAMILY       5      /* ai_family not supported */
  96 #define EAI_MEMORY       6      /* memory allocation failure */
  97 #define EAI_NODATA       7      /* no address associated with hostname */
  98 #define EAI_NONAME       8      /* hostname nor servname provided, or not known */
  99 #define EAI_SERVICE      9      /* servname not supported for ai_socktype */
 100 #define EAI_SOCKTYPE    10      /* ai_socktype not supported */
 101 #define EAI_SYSTEM      11      /* system error returned in errno */
 102 #define EAI_BADHINTS    12
 103 #define EAI_PROTOCOL    13
 104 #define EAI_MAX         14
 105
 106 /*
 107  * Flag values for getaddrinfo()
 108  */
 109 #undef  AI_PASSIVE
 110 #undef  AI_CANONNAME
 111 #undef  AI_NUMERICHOST
 112
 113 #define AI_PASSIVE      0x00000001
 114 #define AI_CANONNAME    0x00000002
 115 #define AI_NUMERICHOST  0x00000004
 116
 117 /*
 118  * Flag values for getipnodebyname()
 119  */
 120 #undef AI_V4MAPPED
 121 #undef AI_ALL
 122 #undef AI_ADDRCONFIG
 123 #undef AI_DEFAULT
 124
 125 #define AI_V4MAPPED     0x00000008
 126 #define AI_ALL          0x00000010
 127 #define AI_ADDRCONFIG   0x00000020
 128 #define AI_DEFAULT      (AI_V4MAPPED|AI_ADDRCONFIG)
 129
 130 /*
 131  * Constants for lwres_getnameinfo()
 132  */
 133 #undef  NI_MAXHOST
 134 #undef  NI_MAXSERV
 135
 136 #define NI_MAXHOST      1025
 137 #define NI_MAXSERV      32
 138
 139 /*
 140  * Flag values for lwres_getnameinfo()
 141  */
 142 #undef  NI_NOFQDN
 143 #undef  NI_NUMERICHOST
 144 #undef  NI_NAMEREQD
 145 #undef  NI_NUMERICSERV
 146 #undef  NI_DGRAM
 147 #undef  NI_NUMERICSCOPE
 148
 149 #define NI_NOFQDN       0x00000001
 150 #define NI_NUMERICHOST  0x00000002
 151 #define NI_NAMEREQD     0x00000004
 152 #define NI_NUMERICSERV  0x00000008
 153 #define NI_DGRAM        0x00000010
 154 #define NI_NUMERICSCOPE 0x00000020      /*2553bis-00*/
 155
 156 /*
 157  * Define if <netdb.h> does not declare struct rrsetinfo.
 158  */
 159 @ISC_LWRES_NEEDRRSETINFO@
 160
 161 #ifdef ISC_LWRES_NEEDRRSETINFO
 162 /*
 163  * Structures for getrrsetbyname()
 164  */
 165 struct rdatainfo {
 166         unsigned int            rdi_length;
 167         unsigned char           *rdi_data;
 168 };
 169
 170 struct rrsetinfo {
 171         unsigned int            rri_flags;
 172         int                     rri_rdclass;
 173         int                     rri_rdtype;
 174         unsigned int            rri_ttl;
 175         unsigned int            rri_nrdatas;
 176         unsigned int            rri_nsigs;
 177         char                    *rri_name;
 178         struct rdatainfo        *rri_rdatas;
 179         struct rdatainfo        *rri_sigs;
 180 };
 181
 182 /*
 183  * Flags for getrrsetbyname()
 184  */
 185 #define RRSET_VALIDATED         0x00000001
 186         /* Set was dnssec validated */
 187
 188 /*
 189  * Return codes for getrrsetbyname()
 190  */
 191 #define ERRSET_SUCCESS          0
 192 #define ERRSET_NOMEMORY         1
 193 #define ERRSET_FAIL             2
 194 #define ERRSET_INVAL            3
 195 #define ERRSET_NONAME           4
 196 #define ERRSET_NODATA           5
 197 #endif
 198
 199 /*
 200  * Define to map into lwres_ namespace.
 201  */
 202
 203 #define LWRES_NAMESPACE
 204
 205 #ifdef LWRES_NAMESPACE
 206
 207 /*
 208  * Use our versions not the ones from the C library.
 209  */
 210
 211 #ifdef getnameinfo
 212 #undef getnameinfo
 213 #endif
 214 #define getnameinfo lwres_getnameinfo
 215
 216 #ifdef getaddrinfo
 217 #undef getaddrinfo
 218 #endif
 219 #define getaddrinfo lwres_getaddrinfo
 220
 221 #ifdef freeaddrinfo
 222 #undef freeaddrinfo
 223 #endif
 224 #define freeaddrinfo lwres_freeaddrinfo
 225
 226 #ifdef gai_strerror
 227 #undef gai_strerror
 228 #endif
 229 #define gai_strerror lwres_gai_strerror
 230
 231 #ifdef herror
 232 #undef herror
 233 #endif
 234 #define herror lwres_herror
 235
 236 #ifdef hstrerror
 237 #undef hstrerror
 238 #endif
 239 #define hstrerror lwres_hstrerror
 240
 241 #ifdef getipnodebyname
 242 #undef getipnodebyname
 243 #endif
 244 #define getipnodebyname lwres_getipnodebyname
 245
 246 #ifdef getipnodebyaddr
 247 #undef getipnodebyaddr
 248 #endif
 249 #define getipnodebyaddr lwres_getipnodebyaddr
 250
 251 #ifdef freehostent
 252 #undef freehostent
 253 #endif
 254 #define freehostent lwres_freehostent
 255
 256 #ifdef gethostbyname
 257 #undef gethostbyname
 258 #endif
 259 #define gethostbyname lwres_gethostbyname
 260
 261 #ifdef gethostbyname2
 262 #undef gethostbyname2
 263 #endif
 264 #define gethostbyname2 lwres_gethostbyname2
 265
 266 #ifdef gethostbyaddr
 267 #undef gethostbyaddr
 268 #endif
 269 #define gethostbyaddr lwres_gethostbyaddr
 270
 271 #ifdef gethostent
 272 #undef gethostent
 273 #endif
 274 #define gethostent lwres_gethostent
 275
 276 #ifdef sethostent
 277 #undef sethostent
 278 #endif
 279 #define sethostent lwres_sethostent
 280
 281 #ifdef endhostent
 282 #undef endhostent
 283 #endif
 284 #define endhostent lwres_endhostent
 285
 286 /* #define sethostfile lwres_sethostfile */
 287
 288 #ifdef gethostbyname_r
 289 #undef gethostbyname_r
 290 #endif
 291 #define gethostbyname_r lwres_gethostbyname_r
 292
 293 #ifdef gethostbyaddr_r
 294 #undef gethostbyaddr_r
 295 #endif
 296 #define gethostbyaddr_r lwres_gethostbyaddr_r
 297
 298 #ifdef gethostent_r
 299 #undef gethostent_r
 300 #endif
 301 #define gethostent_r lwres_gethostent_r
 302
 303 #ifdef sethostent_r
 304 #undef sethostent_r
 305 #endif
 306 #define sethostent_r lwres_sethostent_r
 307
 308 #ifdef endhostent_r
 309 #undef endhostent_r
 310 #endif
 311 #define endhostent_r lwres_endhostent_r
 312
 313 #ifdef getrrsetbyname
 314 #undef getrrsetbyname
 315 #endif
 316 #define getrrsetbyname lwres_getrrsetbyname
 317
 318 #ifdef freerrset
 319 #undef freerrset
 320 #endif
 321 #define freerrset lwres_freerrset
 322
 323 #ifdef notyet
 324 #define getservbyname lwres_getservbyname
 325 #define getservbyport lwres_getservbyport
 326 #define getservent lwres_getservent
 327 #define setservent lwres_setservent
 328 #define endservent lwres_endservent
 329
 330 #define getservbyname_r lwres_getservbyname_r
 331 #define getservbyport_r lwres_getservbyport_r
 332 #define getservent_r lwres_getservent_r
 333 #define setservent_r lwres_setservent_r
 334 #define endservent_r lwres_endservent_r
 335
 336 #define getprotobyname lwres_getprotobyname
 337 #define getprotobynumber lwres_getprotobynumber
 338 #define getprotoent lwres_getprotoent
 339 #define setprotoent lwres_setprotoent
 340 #define endprotoent lwres_endprotoent
 341
 342 #define getprotobyname_r lwres_getprotobyname_r
 343 #define getprotobynumber_r lwres_getprotobynumber_r
 344 #define getprotoent_r lwres_getprotoent_r
 345 #define setprotoent_r lwres_setprotoent_r
 346 #define endprotoent_r lwres_endprotoent_r
 347
 348 #ifdef getnetbyname
 349 #undef getnetbyname
 350 #endif
 351 #define getnetbyname lwres_getnetbyname
 352
 353 #ifdef getnetbyaddr
 354 #undef getnetbyaddr
 355 #endif
 356 #define getnetbyaddr lwres_getnetbyaddr
 357
 358 #ifdef getnetent
 359 #undef getnetent
 360 #endif
 361 #define getnetent lwres_getnetent
 362
 363 #ifdef setnetent
 364 #undef setnetent
 365 #endif
 366 #define setnetent lwres_setnetent
 367
 368 #ifdef endnetent
 369 #undef endnetent
 370 #endif
 371 #define endnetent lwres_endnetent
 372
 373
 374 #ifdef getnetbyname_r
 375 #undef getnetbyname_r
 376 #endif
 377 #define getnetbyname_r lwres_getnetbyname_r
 378
 379 #ifdef getnetbyaddr_r
 380 #undef getnetbyaddr_r
 381 #endif
 382 #define getnetbyaddr_r lwres_getnetbyaddr_r
 383
 384 #ifdef getnetent_r
 385 #undef getnetent_r
 386 #endif
 387 #define getnetent_r lwres_getnetent_r
 388
 389 #ifdef setnetent_r
 390 #undef setnetent_r
 391 #endif
 392 #define setnetent_r lwres_setnetent_r
 393
 394 #ifdef endnetent_r
 395 #undef endnetent_r
 396 #endif
 397 #define endnetent_r lwres_endnetent_r
 398 #endif  /* notyet */
 399
 400 #ifdef h_errno
 401 #undef h_errno
 402 #endif
 403 #define h_errno lwres_h_errno
 404
 405 #endif  /* LWRES_NAMESPACE */
 406
 407 LWRES_LANG_BEGINDECLS
 408
 409 extern int lwres_h_errno;
 410
 411 int             lwres_getaddrinfo(const char *, const char *,
 412                                  const struct addrinfo *, struct addrinfo **);
 413 int             lwres_getnameinfo(const struct sockaddr *, size_t, char *,
 414                                  size_t, char *, size_t, int);
 415 void            lwres_freeaddrinfo(struct addrinfo *);
 416 char            *lwres_gai_strerror(int);
 417
 418 struct hostent  *lwres_gethostbyaddr(const char *, int, int);
 419 struct hostent  *lwres_gethostbyname(const char *);
 420 struct hostent  *lwres_gethostbyname2(const char *, int);
 421 struct hostent  *lwres_gethostent(void);
 422 struct hostent  *lwres_getipnodebyname(const char *, int, int, int *);
 423 struct hostent  *lwres_getipnodebyaddr(const void *, size_t, int, int *);
 424 void            lwres_endhostent(void);
 425 void            lwres_sethostent(int);
 426 /* void         lwres_sethostfile(const char *); */
 427 void            lwres_freehostent(struct hostent *);
 428
 429 int             lwres_getrrsetbyname(const char *, unsigned int, unsigned int,
 430                                      unsigned int, struct rrsetinfo **);
 431 void            lwres_freerrset(struct rrsetinfo *);
 432
 433 #ifdef notyet
 434 struct netent   *lwres_getnetbyaddr(unsigned long, int);
 435 struct netent   *lwres_getnetbyname(const char *);
 436 struct netent   *lwres_getnetent(void);
 437 void            lwres_endnetent(void);
 438 void            lwres_setnetent(int);
 439
 440 struct protoent *lwres_getprotobyname(const char *);
 441 struct protoent *lwres_getprotobynumber(int);
 442 struct protoent *lwres_getprotoent(void);
 443 void            lwres_endprotoent(void);
 444 void            lwres_setprotoent(int);
 445
 446 struct servent  *lwres_getservbyname(const char *, const char *);
 447 struct servent  *lwres_getservbyport(int, const char *);
 448 struct servent  *lwres_getservent(void);
 449 void            lwres_endservent(void);
 450 void            lwres_setservent(int);
 451 #endif /* notyet */
 452
 453 void            lwres_herror(const char *);
 454 const char      *lwres_hstrerror(int);
 455
 456
 457 struct hostent  *lwres_gethostbyaddr_r(const char *, int, int, struct hostent *,
 458                                         char *, int, int *);
 459 struct hostent  *lwres_gethostbyname_r(const char *, struct hostent *,
 460                                         char *, int, int *);
 461 struct hostent  *lwres_gethostent_r(struct hostent *, char *, int, int *);
 462 void            lwres_sethostent_r(int);
 463 void            lwres_endhostent_r(void);
 464
 465 #ifdef notyet
 466 struct netent   *lwres_getnetbyname_r(const char *, struct netent *,
 467                                         char *, int);
 468 struct netent   *lwres_getnetbyaddr_r(long, int, struct netent *,
 469                                         char *, int);
 470 struct netent   *lwres_getnetent_r(struct netent *, char *, int);
 471 void            lwres_setnetent_r(int);
 472 void            lwres_endnetent_r(void);
 473
 474 struct protoent *lwres_getprotobyname_r(const char *,
 475                                 struct protoent *, char *, int);
 476 struct protoent *lwres_getprotobynumber_r(int,
 477                                 struct protoent *, char *, int);
 478 struct protoent *lwres_getprotoent_r(struct protoent *, char *, int);
 479 void            lwres_setprotoent_r(int);
 480 void            lwres_endprotoent_r(void);
 481
 482 struct servent  *lwres_getservbyname_r(const char *name, const char *,
 483                                         struct servent *, char *, int);
 484 struct servent  *lwres_getservbyport_r(int port, const char *,
 485                                         struct servent *, char *, int);
 486 struct servent  *lwres_getservent_r(struct servent *, char *, int);
 487 void            lwres_setservent_r(int);
 488 void            lwres_endservent_r(void);
 489 #endif  /* notyet */
 490
 491 LWRES_LANG_ENDDECLS
 492
 493 #ifdef notyet
 494 /* This is nec'y to make this include file properly replace the sun version. */
 495 #ifdef sun
 496 #ifdef __GNU_LIBRARY__
 497 #include <rpc/netdb.h>          /* Required. */
 498 #else /* !__GNU_LIBRARY__ */
 499 struct rpcent {
 500         char    *r_name;        /* name of server for this rpc program */
 501         char    **r_aliases;    /* alias list */
 502         int     r_number;       /* rpc program number */
 503 };
 504 struct rpcent   *lwres_getrpcbyname();
 505 struct rpcent   *lwres_getrpcbynumber(),
 506 struct rpcent   *lwres_getrpcent();
 507 #endif /* __GNU_LIBRARY__ */
 508 #endif /* sun */
 509 #endif /* notyet */
 510
 511 /*
 512  * Tell Emacs to use C mode on this file.
 513  * Local variables:
 514  * mode: c
 515  * End:
 516  */
 517
 518 #endif /* LWRES_NETDB_H */