| yp_dnslookup.c (90298) | yp_dnslookup.c (103717) |
|---|---|
| 1/* 2 * Copyright (c) 1995, 1996 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 18 unchanged lines hidden (view full) --- 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#ifndef lint 34static const char rcsid[] = | 1/* 2 * Copyright (c) 1995, 1996 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 18 unchanged lines hidden (view full) --- 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#ifndef lint 34static const char rcsid[] = |
| 35 "$FreeBSD: head/usr.sbin/ypserv/yp_dnslookup.c 90298 2002-02-06 15:26:07Z des $"; | 35 "$FreeBSD: head/usr.sbin/ypserv/yp_dnslookup.c 103717 2002-09-20 20:09:27Z markm $"; |
| 36#endif /* not lint */ 37 38/* 39 * Do standard and reverse DNS lookups using the resolver library. 40 * Take care of all the dirty work here so the main program only has to 41 * pass us a pointer to an array of characters. 42 * 43 * We have to use direct resolver calls here otherwise the YP server --- 127 unchanged lines hidden (view full) --- 171 int rval; 172 unsigned long id; 173 174 bzero(buf, sizeof(buf)); 175 176 n = res_mkquery(QUERY,name,C_IN,type,NULL,0,NULL,buf,sizeof(buf)); 177 178 if (n <= 0) { | 36#endif /* not lint */ 37 38/* 39 * Do standard and reverse DNS lookups using the resolver library. 40 * Take care of all the dirty work here so the main program only has to 41 * pass us a pointer to an array of characters. 42 * 43 * We have to use direct resolver calls here otherwise the YP server --- 127 unchanged lines hidden (view full) --- 171 int rval; 172 unsigned long id; 173 174 bzero(buf, sizeof(buf)); 175 176 n = res_mkquery(QUERY,name,C_IN,type,NULL,0,NULL,buf,sizeof(buf)); 177 178 if (n <= 0) { |
| 179 yp_error("res_mkquery failed"); | 179 yp_error("res_mkquery failed for %s type %d", name, type); |
| 180 return(0); 181 } 182 183 hptr = (HEADER *)&buf; 184 id = ntohs(hptr->id); 185 186 for (ns = 0; ns < _res.nscount; ns++) { 187 rval = sendto(resfd, buf, n, 0, --- 193 unchanged lines hidden (view full) --- 381 return; 382 } 383 384 if (debug) 385 yp_error("got dns reply from %s", inet_ntoa(sin.sin_addr)); 386 387 hent = __dns_getanswer(buf, rval, q->name, q->type); 388 | 180 return(0); 181 } 182 183 hptr = (HEADER *)&buf; 184 id = ntohs(hptr->id); 185 186 for (ns = 0; ns < _res.nscount; ns++) { 187 rval = sendto(resfd, buf, n, 0, --- 193 unchanged lines hidden (view full) --- 381 return; 382 } 383 384 if (debug) 385 yp_error("got dns reply from %s", inet_ntoa(sin.sin_addr)); 386 387 hent = __dns_getanswer(buf, rval, q->name, q->type); 388 |
| 389 /* 390 * If the lookup failed, try appending one of the domains 391 * from resolv.conf. If we have no domains to test, the 392 * query has failed. 393 */ 394 if (hent == NULL) { 395 if ((h_errno == TRY_AGAIN || h_errno == NO_RECOVERY) 396 && q->domain && *q->domain) { 397 snprintf(retrybuf, sizeof(retrybuf), "%s.%s", 398 q->name, *q->domain); 399 if (debug) 400 yp_error("retrying with: %s", retrybuf); 401 q->id = yp_send_dns_query(retrybuf, q->type); 402 q->ttl = DEF_TTL; 403 q->domain++; 404 return; 405 } 406 } else { | 389 if (hent != NULL) { |
| 407 if (q->type == T_PTR) { 408 hent->h_addr = (char *)&q->addr.s_addr; 409 hent->h_length = sizeof(struct in_addr); 410 } 411 } 412 413 /* Got an answer ready for a client -- send it off. */ 414 yp_send_dns_reply(q, parse(hent)); --- 127 unchanged lines hidden --- | 390 if (q->type == T_PTR) { 391 hent->h_addr = (char *)&q->addr.s_addr; 392 hent->h_length = sizeof(struct in_addr); 393 } 394 } 395 396 /* Got an answer ready for a client -- send it off. */ 397 yp_send_dns_reply(q, parse(hent)); --- 127 unchanged lines hidden --- |