Revision: 14934
Author: adrian.chadd
Date: Fri Jul 22 20:11:06 2011
Log: Introduce some (completely untested) IPv6 PTR lookup code.
http://code.google.com/p/lusca-cache/source/detail?r=14934
Modified:
/playpen/LUSCA_HEAD_ipv6/libsqdns/dns_internal.c
/playpen/LUSCA_HEAD_ipv6/libsqdns/dns_internal.h
=======================================
--- /playpen/LUSCA_HEAD_ipv6/libsqdns/dns_internal.c Tue Jan 18 17:13:51
2011
+++ /playpen/LUSCA_HEAD_ipv6/libsqdns/dns_internal.c Fri Jul 22 20:11:06
2011
@@ -997,3 +997,46 @@
idnsCacheQuery(q);
idnsSendQuery(q);
}
+
+void
+idnsPTR6Lookup(const sqaddr_t *addr, IDNSCB *callback, void *data)
+{
+ idns_query *q;
+ struct in6_addr addr6;
+
+ addr6 = sqinet_get_v6_inaddr(addr, SQADDR_ASSERT_IS_V6);
+
+ q = cbdataAlloc(idns_query);
+ q->tcp_socket = -1;
+ q->id = idnsQueryID();
+ q->sz = rfc3596BuildPTR6Query(addr6, q->buf, sizeof(q->buf), q->id,
+ &q->query);
+
+ /* PTR does not do inbound A/AAAA */
+ q->need_A = 0;
+
+ if (do_debug(78, 3)) {
+ char sbuf[MAX_IPSTRLEN];
+ (void) sqinet_ntoa(addr, sbuf, sizeof(sbuf), SQADDR_NONE);
+ debug(78, 3) ("%s: buf is %d bytes for %s, id = %#hx\n",
+ __func__, (int) q->sz, sbuf, q->id);
+ }
+ if (q->sz < 0) {
+ /* problem with query data -- query not sent */
+ callback(data, NULL, 0, "Internal error");
+ safe_free(q->initial_AAAA.answers);
+ cbdataFree(q);
+ return;
+ }
+ if (idnsCachedLookup(q->query.name, callback, data)) {
+ safe_free(q->initial_AAAA.answers);
+ cbdataFree(q);
+ return;
+ }
+ q->callback = callback;
+ q->callback_data = data;
+ cbdataLock(q->callback_data);
+ q->start_t = current_time;
+ idnsCacheQuery(q);
+ idnsSendQuery(q);
+}
=======================================
--- /playpen/LUSCA_HEAD_ipv6/libsqdns/dns_internal.h Tue Jan 18 17:13:51
2011
+++ /playpen/LUSCA_HEAD_ipv6/libsqdns/dns_internal.h Fri Jul 22 20:11:06
2011
@@ -111,5 +111,6 @@
extern void idnsShutdown(void);
extern void idnsALookup(const char *, IDNSCB *, void *);
extern void idnsPTRLookup(const struct in_addr, IDNSCB *, void *);
+extern void idnsPTR6Lookup(const sqaddr_t *addr, IDNSCB *callback, void
*data);
#endif
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