compat/os/opensolaris_10_netdb.h

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /*
  10  * Copied from OpenSolaris 10 public sources
  11  * http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/head/netdb.h
  12  */
  13 /*
  14  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  15  * Use is subject to license terms.
  16  */
  17
  18 /*  Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
  19 /*    All Rights Reserved   */
  20
  21 /*
  22  * BIND 4.9.3:
  23  *
  24  * Copyright (c) 1980, 1983, 1988, 1993
  25  *  The Regents of the University of California.  All rights reserved.
  26  *
  27  * Redistribution and use in source and binary forms, with or without
  28  * modification, are permitted provided that the following conditions
  29  * are met:
  30  * 1. Redistributions of source code must retain the above copyright
  31  *    notice, this list of conditions and the following disclaimer.
  32  * 2. Redistributions in binary form must reproduce the above copyright
  33  *    notice, this list of conditions and the following disclaimer in the
  34  *    documentation and/or other materials provided with the distribution.
  35  * 3. All advertising materials mentioning features or use of this software
  36  *    must display the following acknowledgement:
  37  *  This product includes software developed by the University of
  38  *  California, Berkeley and its contributors.
  39  * 4. Neither the name of the University nor the names of its contributors
  40  *    may be used to endorse or promote products derived from this software
  41  *    without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  * -
  55  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
  56  *
  57  * Permission to use, copy, modify, and distribute this software for any
  58  * purpose with or without fee is hereby granted, provided that the above
  59  * copyright notice and this permission notice appear in all copies, and that
  60  * the name of Digital Equipment Corporation not be used in advertising or
  61  * publicity pertaining to distribution of the document or software without
  62  * specific, written prior permission.
  63  *
  64  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
  65  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
  66  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
  67  * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  68  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  69  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
  70  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  71  * SOFTWARE.
  72  * --Copyright--
  73  *
  74  * End BIND 4.9.3
  75  */
  76
  77 /*
  78  * Structures returned by network data base library.
  79  * All addresses are supplied in host order, and
  80  * returned in network order (suitable for use in system calls).
  81  */
  82
  83 #ifndef _NETDB_H
  84 #define _NETDB_H
  85
  86 #include <sys/types.h>
  87 #include <netinet/in.h>
  88 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
  89 #include <sys/socket.h>
  90 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
  91 #include <sys/feature_tests.h>
  92
  93 #ifdef  __cplusplus
  94 extern "C" {
  95 #endif
  96
  97 #define _PATH_HEQUIV    "/etc/hosts.equiv"
  98 #define _PATH_HOSTS "/etc/hosts"
  99 #define _PATH_IPNODES   "/etc/inet/ipnodes"
 100 #define _PATH_IPSECALGS "/etc/inet/ipsecalgs"
 101 #define _PATH_NETMASKS  "/etc/netmasks"
 102 #define _PATH_NETWORKS  "/etc/networks"
 103 #define _PATH_PROTOCOLS "/etc/protocols"
 104 #define _PATH_SERVICES  "/etc/services"
 105
 106 struct  hostent {
 107     char    *h_name;    /* official name of host */
 108     char    **h_aliases;    /* alias list */
 109     int h_addrtype; /* host address type */
 110     int h_length;   /* length of address */
 111     char    **h_addr_list;  /* list of addresses from name server */
 112 #define h_addr  h_addr_list[0]  /* address, for backward compatibility */
 113 };
 114
 115 /*
 116  * addrinfo introduced with IPv6 for Protocol-Independent Hostname
 117  * and Service Name Translation.
 118  */
 119
 120 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
 121 struct addrinfo {
 122     int ai_flags;       /* AI_PASSIVE, AI_CANONNAME, ... */
 123     int ai_family;      /* PF_xxx */
 124     int ai_socktype;    /* SOCK_xxx */
 125     int ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
 126 #ifdef __sparcv9
 127     int _ai_pad;        /* for backwards compat with old size_t */
 128 #endif /* __sparcv9 */
 129     socklen_t ai_addrlen;
 130     char *ai_canonname; /* canonical name for hostname */
 131     struct sockaddr *ai_addr;   /* binary address */
 132     struct addrinfo *ai_next;   /* next structure in linked list */
 133 };
 134
 135 /* addrinfo flags */
 136 #define AI_PASSIVE  0x0008  /* intended for bind() + listen() */
 137 #define AI_CANONNAME    0x0010  /* return canonical version of host */
 138 #define AI_NUMERICHOST  0x0020  /* use numeric node address string */
 139 #define AI_NUMERICSERV  0x0040  /* servname is assumed numeric */
 140
 141 /* getipnodebyname() flags */
 142 #define AI_V4MAPPED 0x0001  /* IPv4 mapped addresses if no IPv6 */
 143 #define AI_ALL      0x0002  /* IPv6 and IPv4 mapped addresses */
 144 #define AI_ADDRCONFIG   0x0004  /* AAAA or A records only if IPv6/IPv4 cnfg'd */
 145
 146 /*
 147  * These were defined in RFC 2553 but not SUSv3
 148  * or RFC 3493 which obsoleted 2553.
 149  */
 150 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 151 #define AI_DEFAULT  (AI_V4MAPPED | AI_ADDRCONFIG)
 152
 153 /* addrinfo errors */
 154 #define EAI_ADDRFAMILY  1   /* address family not supported */
 155 #define EAI_NODATA  7   /* no address */
 156 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 157 #define EAI_AGAIN   2   /* DNS temporary failure */
 158 #define EAI_BADFLAGS    3   /* invalid ai_flags */
 159 #define EAI_FAIL    4   /* DNS non-recoverable failure */
 160 #define EAI_FAMILY  5   /* ai_family not supported */
 161 #define EAI_MEMORY  6   /* memory allocation failure */
 162 #define EAI_NONAME  8   /* host/servname not known */
 163 #define EAI_SERVICE 9   /* servname not supported for ai_socktype */
 164 #define EAI_SOCKTYPE    10  /* ai_socktype not supported */
 165 #define EAI_SYSTEM  11  /* system error in errno */
 166 #define EAI_OVERFLOW    12  /* argument buffer overflow */
 167 #define EAI_PROTOCOL    13
 168 #define EAI_MAX     14
 169
 170 /* getnameinfo flags */
 171 #define NI_NOFQDN   0x0001
 172 #define NI_NUMERICHOST  0x0002  /* return numeric form of address */
 173 #define NI_NAMEREQD 0x0004  /* request DNS name */
 174 #define NI_NUMERICSERV  0x0008
 175 #define NI_DGRAM    0x0010
 176
 177 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 178 /* Not listed in any standards document */
 179 #define NI_WITHSCOPEID  0x0020
 180 #define NI_NUMERICSCOPE 0x0040
 181
 182 /* getnameinfo max sizes as defined in RFC 2553 obsoleted in RFC 3493 */
 183 #define NI_MAXHOST  1025
 184 #define NI_MAXSERV  32
 185 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 186 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
 187
 188 /*
 189  * Scope delimit character
 190  */
 191 #define SCOPE_DELIMITER '%'
 192
 193 /*
 194  * Algorithm entry for /etc/inet/ipsecalgs which defines IPsec protocols
 195  * and algorithms.
 196  */
 197 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 198 typedef struct ipsecalgent {
 199     char **a_names;     /* algorithm names */
 200     int a_proto_num;    /* protocol number */
 201     int a_alg_num;      /* algorithm number */
 202     char *a_mech_name;  /* encryption framework mechanism name */
 203     int *a_block_sizes; /* supported block sizes */
 204     int *a_key_sizes;   /* supported key sizes */
 205     int a_key_increment;    /* key size increment */
 206     int *a_mech_params; /* mechanism specific parameters */
 207     int a_alg_flags;    /* algorithm flags */
 208 } ipsecalgent_t;
 209
 210 /* well-known IPsec protocol numbers */
 211
 212 #define IPSEC_PROTO_AH      2
 213 #define IPSEC_PROTO_ESP     3
 214 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
 215
 216 /*
 217  * Assumption here is that a network number
 218  * fits in 32 bits -- probably a poor one.
 219  */
 220 struct  netent {
 221     char        *n_name;    /* official name of net */
 222     char        **n_aliases;    /* alias list */
 223     int     n_addrtype; /* net address type */
 224     in_addr_t   n_net;      /* network # */
 225 };
 226
 227 struct  protoent {
 228     char    *p_name;    /* official protocol name */
 229     char    **p_aliases;    /* alias list */
 230     int p_proto;    /* protocol # */
 231 };
 232
 233 struct  servent {
 234     char    *s_name;    /* official service name */
 235     char    **s_aliases;    /* alias list */
 236     int s_port;     /* port # */
 237     char    *s_proto;   /* protocol to use */
 238 };
 239
 240 #ifdef  __STDC__
 241 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 242 struct hostent  *gethostbyname_r
 243 (const char *, struct hostent *, char *, int, int *h_errnop);
 244 struct hostent  *gethostbyaddr_r
 245 (const char *, int, int, struct hostent *, char *, int, int *h_errnop);
 246 struct hostent  *getipnodebyname(const char *, int, int, int *);
 247 struct hostent  *getipnodebyaddr(const void *, size_t, int, int *);
 248 void        freehostent(struct hostent *);
 249 struct hostent  *gethostent_r(struct hostent *, char *, int, int *h_errnop);
 250
 251 struct servent  *getservbyname_r
 252 (const char *name, const char *, struct servent *, char *, int);
 253 struct servent  *getservbyport_r
 254 (int port, const char *, struct servent *, char *, int);
 255 struct servent  *getservent_r(struct    servent *, char *, int);
 256
 257 struct netent   *getnetbyname_r
 258 (const char *, struct netent *, char *, int);
 259 struct netent   *getnetbyaddr_r(long, int, struct netent *, char *, int);
 260 struct netent   *getnetent_r(struct netent *, char *, int);
 261
 262 struct protoent *getprotobyname_r
 263 (const char *, struct protoent *, char *, int);
 264 struct protoent *getprotobynumber_r
 265 (int, struct protoent *, char *, int);
 266 struct protoent *getprotoent_r(struct protoent *, char *, int);
 267
 268 int getnetgrent_r(char **, char **, char **, char *, int);
 269 int innetgr(const char *, const char *, const char *, const char *);
 270 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
 271
 272 /* Old interfaces that return a pointer to a static area;  MT-unsafe */
 273 struct hostent  *gethostbyname(const char *);
 274 struct hostent  *gethostent(void);
 275 struct netent   *getnetbyaddr(in_addr_t, int);
 276 struct netent   *getnetbyname(const char *);
 277 struct netent   *getnetent(void);
 278 struct protoent *getprotobyname(const char *);
 279 struct protoent *getprotobynumber(int);
 280 struct protoent *getprotoent(void);
 281 struct servent  *getservbyname(const char *, const char *);
 282 struct servent  *getservbyport(int, const char *);
 283 struct servent  *getservent(void);
 284
 285 /* gethostbyaddr() second argument is a size_t only in unix95/unix98 */
 286 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
 287 struct hostent  *gethostbyaddr(const void *, socklen_t, int);
 288 #else
 289 struct hostent  *gethostbyaddr(const void *, size_t, int);
 290 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
 291
 292 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 293 int endhostent(void);
 294 int endnetent(void);
 295 int endprotoent(void);
 296 int endservent(void);
 297 int sethostent(int);
 298 int setnetent(int);
 299 int setprotoent(int);
 300 int setservent(int);
 301 #else
 302 void endhostent(void);
 303 void endnetent(void);
 304 void endprotoent(void);
 305 void endservent(void);
 306 void sethostent(int);
 307 void setnetent(int);
 308 void setprotoent(int);
 309 void setservent(int);
 310 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
 311
 312 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__)
 313
 314 #ifdef  _XPG6
 315 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 316 #pragma redefine_extname getaddrinfo __xnet_getaddrinfo
 317 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 318 #define getaddrinfo __xnet_getaddrinfo
 319 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 320 #endif  /* _XPG6 */
 321
 322 int     getaddrinfo(const char *_RESTRICT_KYWD1,
 323                     const char *_RESTRICT_KYWD2,
 324                     const struct addrinfo *_RESTRICT_KYWD3,
 325                     struct addrinfo **_RESTRICT_KYWD4);
 326 void        freeaddrinfo(struct addrinfo *);
 327 const char  *gai_strerror(int);
 328 int     getnameinfo(const struct sockaddr *_RESTRICT_KYWD1,
 329                     socklen_t, char *_RESTRICT_KYWD2, socklen_t,
 330                     char *_RESTRICT_KYWD3, socklen_t, int);
 331 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */
 332
 333 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 334 int getnetgrent(char **, char **, char **);
 335 int setnetgrent(const char *);
 336 int endnetgrent(void);
 337 int rcmd(char **, unsigned short,
 338          const char *, const char *, const char *, int *);
 339 int rcmd_af(char **, unsigned short,
 340             const char *, const char *, const char *, int *, int);
 341 int rresvport_af(int *, int);
 342 int rresvport_addr(int *, struct sockaddr_storage *);
 343 int rexec(char **, unsigned short,
 344           const char *, const char *, const char *, int *);
 345 int rexec_af(char **, unsigned short,
 346              const char *, const char *, const char *, int *, int);
 347 int rresvport(int *);
 348 int ruserok(const char *, int, const char *, const char *);
 349 /* BIND */
 350 struct hostent  *gethostbyname2(const char *, int);
 351 void        herror(const char *);
 352 const char  *hstrerror(int);
 353 /* End BIND */
 354
 355 /* IPsec algorithm prototype definitions */
 356 struct ipsecalgent *getipsecalgbyname(const char *, int, int *);
 357 struct ipsecalgent *getipsecalgbynum(int, int, int *);
 358 int getipsecprotobyname(const char *doi_name);
 359 char *getipsecprotobynum(int doi_domain);
 360 void freeipsecalgent(struct ipsecalgent *ptr);
 361 /* END IPsec algorithm prototype definitions */
 362
 363 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
 364 #else   /* __STDC__ */
 365 struct hostent  *gethostbyname_r();
 366 struct hostent  *gethostbyaddr_r();
 367 struct hostent  *getipnodebyname();
 368 struct hostent  *getipnodebyaddr();
 369 void         freehostent();
 370 struct hostent  *gethostent_r();
 371 struct servent  *getservbyname_r();
 372 struct servent  *getservbyport_r();
 373 struct servent  *getservent_r();
 374 struct netent   *getnetbyname_r();
 375 struct netent   *getnetbyaddr_r();
 376 struct netent   *getnetent_r();
 377 struct protoent *getprotobyname_r();
 378 struct protoent *getprotobynumber_r();
 379 struct protoent *getprotoent_r();
 380 int      getnetgrent_r();
 381 int      innetgr();
 382
 383 /* Old interfaces that return a pointer to a static area;  MT-unsafe */
 384 struct hostent  *gethostbyname();
 385 struct hostent  *gethostbyaddr();
 386 struct hostent  *gethostent();
 387 struct netent   *getnetbyname();
 388 struct netent   *getnetbyaddr();
 389 struct netent   *getnetent();
 390 struct servent  *getservbyname();
 391 struct servent  *getservbyport();
 392 struct servent  *getservent();
 393 struct protoent *getprotobyname();
 394 struct protoent *getprotobynumber();
 395 struct protoent *getprotoent();
 396 int      getnetgrent();
 397
 398 int sethostent();
 399 int endhostent();
 400 int setnetent();
 401 int endnetent();
 402 int setservent();
 403 int endservent();
 404 int setprotoent();
 405 int endprotoent();
 406 int setnetgrent();
 407 int endnetgrent();
 408 int rcmd();
 409 int rcmd_af();
 410 int rexec();
 411 int rexec_af();
 412 int rresvport();
 413 int rresvport_af();
 414 int rresvport_addr();
 415 int ruserok();
 416 /* BIND */
 417 struct hostent  *gethostbyname2();
 418 void        herror();
 419 char        *hstrerror();
 420 /* IPv6 prototype definitions */
 421 int     getaddrinfo();
 422 void        freeaddrinfo();
 423 const char  *gai_strerror();
 424 int     getnameinfo();
 425 /* END IPv6 prototype definitions */
 426 /* End BIND */
 427
 428 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 429 /* IPsec algorithm prototype definitions */
 430 struct ipsecalgent *getalgbyname();
 431 struct ipsecalgent *getalgbydoi();
 432 int getdoidomainbyname();
 433 const char *getdoidomainbynum();
 434 void freealgent();
 435 /* END IPsec algorithm prototype definitions */
 436 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
 437
 438 #endif  /* __STDC__ */
 439
 440 /*
 441  * Error return codes from gethostbyname() and gethostbyaddr()
 442  * (when using the resolver)
 443  */
 444
 445 extern  int h_errno;
 446
 447 #ifdef  _REENTRANT
 448 #ifdef  __STDC__
 449 extern int  *__h_errno(void);
 450 #else
 451 extern int  *__h_errno();
 452 #endif  /* __STDC__ */
 453
 454 /* Only #define h_errno if there is no conflict with other use */
 455 #ifdef  H_ERRNO_IS_FUNCTION
 456 #define h_errno (*__h_errno())
 457 #endif  /* NO_H_ERRNO_DEFINE */
 458 #endif  /* _REENTRANT */
 459
 460 /*
 461  * Error return codes from gethostbyname() and gethostbyaddr()
 462  * (left in extern int h_errno).
 463  */
 464 #define HOST_NOT_FOUND  1 /* Authoritative Answer Host not found */
 465 #define TRY_AGAIN   2 /* Non-Authoritive Host not found, or SERVERFAIL */
 466 #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 467 #define NO_DATA     4 /* Valid name, no data record of requested type */
 468
 469 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 470 #define NO_ADDRESS  NO_DATA     /* no address, look for MX record */
 471
 472 /* BIND */
 473 #define NETDB_INTERNAL  -1  /* see errno */
 474 #define NETDB_SUCCESS   0   /* no problem */
 475 /* End BIND */
 476
 477 #define MAXHOSTNAMELEN  256
 478
 479 #define MAXALIASES  35
 480 #define MAXADDRS    35
 481 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
 482
 483 #ifdef  __cplusplus
 484 }
 485 #endif
 486
 487 #endif  /* _NETDB_H */
 488