getaddrinfo.c (d53978e3c02e3833042ec455076bce11ffbefc40) getaddrinfo.c (4d756307806b581ce8582deb291baf78e89c6701)
1/* $KAME: getaddrinfo.c,v 1.15 2000/07/09 04:37:24 itojun Exp $ */
2
3/*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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160 int e_wild;
161#define WILD_AF(ex) ((ex)->e_wild & 0x01)
162#define WILD_SOCKTYPE(ex) ((ex)->e_wild & 0x02)
163#define WILD_PROTOCOL(ex) ((ex)->e_wild & 0x04)
164};
165
166static const struct explore explore[] = {
167#if 0
1/* $KAME: getaddrinfo.c,v 1.15 2000/07/09 04:37:24 itojun Exp $ */
2
3/*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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160 int e_wild;
161#define WILD_AF(ex) ((ex)->e_wild & 0x01)
162#define WILD_SOCKTYPE(ex) ((ex)->e_wild & 0x02)
163#define WILD_PROTOCOL(ex) ((ex)->e_wild & 0x04)
164};
165
166static const struct explore explore[] = {
167#if 0
168 { PF_LOCAL, 0, ANY, ANY, NULL, 0x01 },
168 { PF_LOCAL, ANY, ANY, NULL, 0x01 },
169#endif
170#ifdef INET6
171 { PF_INET6, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
172 { PF_INET6, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
169#endif
170#ifdef INET6
171 { PF_INET6, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
172 { PF_INET6, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
173 { PF_INET6, SOCK_STREAM, IPPROTO_SCTP, "sctp", 0x03 },
174 { PF_INET6, SOCK_SEQPACKET, IPPROTO_SCTP, "sctp", 0x07 },
173 { PF_INET6, SOCK_RAW, ANY, NULL, 0x05 },
174#endif
175 { PF_INET, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
176 { PF_INET, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
175 { PF_INET6, SOCK_RAW, ANY, NULL, 0x05 },
176#endif
177 { PF_INET, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
178 { PF_INET, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
179 { PF_INET, SOCK_STREAM, IPPROTO_SCTP, "sctp", 0x03 },
180 { PF_INET, SOCK_SEQPACKET, IPPROTO_SCTP, "sctp", 0x07 },
177 { PF_INET, SOCK_RAW, ANY, NULL, 0x05 },
178 { PF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
179 { PF_UNSPEC, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
181 { PF_INET, SOCK_RAW, ANY, NULL, 0x05 },
182 { PF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
183 { PF_UNSPEC, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
184 { PF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP, "sctp", 0x03 },
185 { PF_UNSPEC, SOCK_SEQPACKET, IPPROTO_SCTP, "sctp", 0x07 },
180 { PF_UNSPEC, SOCK_RAW, ANY, NULL, 0x05 },
181 { -1, 0, 0, NULL, 0 },
182};
183
184#ifdef INET6
185#define PTON_MAX 16
186#else
187#define PTON_MAX 4

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412 for (ex = explore; ex->e_af >= 0; ex++) {
413 if (pai->ai_family != ex->e_af)
414 continue;
415 if (ex->e_socktype == ANY)
416 continue;
417 if (ex->e_protocol == ANY)
418 continue;
419 if (pai->ai_socktype == ex->e_socktype &&
186 { PF_UNSPEC, SOCK_RAW, ANY, NULL, 0x05 },
187 { -1, 0, 0, NULL, 0 },
188};
189
190#ifdef INET6
191#define PTON_MAX 16
192#else
193#define PTON_MAX 4

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418 for (ex = explore; ex->e_af >= 0; ex++) {
419 if (pai->ai_family != ex->e_af)
420 continue;
421 if (ex->e_socktype == ANY)
422 continue;
423 if (ex->e_protocol == ANY)
424 continue;
425 if (pai->ai_socktype == ex->e_socktype &&
420 pai->ai_protocol != ex->e_protocol) {
421 ERR(EAI_BADHINTS);
422 }
426 pai->ai_protocol == ex->e_protocol)
427 break;
423 }
428 }
429
430 if (ex->e_af < 0)
431 ERR(EAI_BADHINTS);
424 }
425 }
426
427 /*
428 * check for special cases. (1) numeric servname is disallowed if
429 * socktype/protocol are left unspecified. (2) servname is disallowed
430 * for raw and other inet{,6} sockets.
431 */

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1339 return 0;
1340 }
1341
1342 switch (ai->ai_socktype) {
1343 case SOCK_RAW:
1344 return EAI_SERVICE;
1345 case SOCK_DGRAM:
1346 case SOCK_STREAM:
432 }
433 }
434
435 /*
436 * check for special cases. (1) numeric servname is disallowed if
437 * socktype/protocol are left unspecified. (2) servname is disallowed
438 * for raw and other inet{,6} sockets.
439 */

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1347 return 0;
1348 }
1349
1350 switch (ai->ai_socktype) {
1351 case SOCK_RAW:
1352 return EAI_SERVICE;
1353 case SOCK_DGRAM:
1354 case SOCK_STREAM:
1355 case SOCK_SEQPACKET:
1347 allownumeric = 1;
1348 break;
1349 case ANY:
1350 switch (ai->ai_family) {
1351 case AF_INET:
1352#ifdef AF_INET6
1353 case AF_INET6:
1354#endif

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1368 if (!allownumeric)
1369 return EAI_SERVICE;
1370 if (port < 0 || port > 65535)
1371 return EAI_SERVICE;
1372 port = htons(port);
1373 } else {
1374 if (ai->ai_flags & AI_NUMERICSERV)
1375 return EAI_NONAME;
1356 allownumeric = 1;
1357 break;
1358 case ANY:
1359 switch (ai->ai_family) {
1360 case AF_INET:
1361#ifdef AF_INET6
1362 case AF_INET6:
1363#endif

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1377 if (!allownumeric)
1378 return EAI_SERVICE;
1379 if (port < 0 || port > 65535)
1380 return EAI_SERVICE;
1381 port = htons(port);
1382 } else {
1383 if (ai->ai_flags & AI_NUMERICSERV)
1384 return EAI_NONAME;
1376 switch (ai->ai_socktype) {
1377 case SOCK_DGRAM:
1385
1386 switch (ai->ai_protocol) {
1387 case IPPROTO_UDP:
1378 proto = "udp";
1379 break;
1388 proto = "udp";
1389 break;
1380 case SOCK_STREAM:
1390 case IPPROTO_TCP:
1381 proto = "tcp";
1382 break;
1391 proto = "tcp";
1392 break;
1393 case IPPROTO_SCTP:
1394 proto = "sctp";
1395 break;
1383 default:
1384 proto = NULL;
1385 break;
1386 }
1387
1388 if ((sp = getservbyname(servname, proto)) == NULL)
1389 return EAI_SERVICE;
1390 port = sp->s_port;

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1397 proto = NULL;
1398 break;
1399 }
1400
1401 if ((sp = getservbyname(servname, proto)) == NULL)
1402 return EAI_SERVICE;
1403 port = sp->s_port;

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