You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.2 KiB
39 lines
1.2 KiB
7 years ago
|
commit 6b142b3a1d007d7e6f50c26710de7177bc4aca74
|
||
|
|
Author: Andreas Schwab <schwab@suse.de>
|
||
|
|
Date: Mon Jun 8 15:21:18 2015 +0200
|
||
|
|
|
||
|
|
Record TTL also for DNS PTR queries (bug 18513)
|
||
|
|
|
||
|
|
This allows nscd to manage proper TTL for GETHOSTBYADDR[v6] requests.
|
||
|
|
|
||
|
|
2015-06-22 Andreas Schwab <schwab@suse.de>
|
||
|
|
|
||
|
|
[BZ #18513]
|
||
|
|
* resolv/nss_dns/dns-host.c (getanswer_r): Record TTL also for
|
||
|
|
PTR queries.
|
||
|
|
|
||
|
|
Index: glibc-2.17-c758a686/resolv/nss_dns/dns-host.c
|
||
|
|
===================================================================
|
||
|
|
--- glibc-2.17-c758a686.orig/resolv/nss_dns/dns-host.c
|
||
|
|
+++ glibc-2.17-c758a686/resolv/nss_dns/dns-host.c
|
||
|
|
@@ -800,6 +800,10 @@ getanswer_r (const querybuf *answer, int
|
||
|
|
|
||
|
|
if (qtype == T_PTR && type == T_CNAME)
|
||
|
|
{
|
||
|
|
+ /* A CNAME could also have a TTL entry. */
|
||
|
|
+ if (ttlp != NULL && ttl < *ttlp)
|
||
|
|
+ *ttlp = ttl;
|
||
|
|
+
|
||
|
|
n = dn_expand (answer->buf, end_of_message, cp, tbuf, sizeof tbuf);
|
||
|
|
if (__builtin_expect (n < 0 || res_dnok (tbuf) == 0, 0))
|
||
|
|
{
|
||
|
|
@@ -863,6 +867,8 @@ getanswer_r (const querybuf *answer, int
|
||
|
|
++had_error;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
+ if (ttlp != NULL && ttl < *ttlp)
|
||
|
|
+ *ttlp = ttl;
|
||
|
|
#if MULTI_PTRS_ARE_ALIASES
|
||
|
|
cp += n;
|
||
|
|
if (haveanswer == 0)
|