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authorUlrich Drepper <drepper@redhat.com>2009-05-09 16:12:41 +0000
committerUlrich Drepper <drepper@redhat.com>2009-05-09 16:12:41 +0000
commitcf4f16cc889a74002d471c26a7b21aab04a9b25d (patch)
treea308710da2cca0fa5668fb74bc2d8e81dfe0d7bd
parent23b6b4664622ba8efb728b1cd02c2992a4a1b717 (diff)
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[BZ #10128]
2009-05-05 Aurelien Jarno <aurelien@aurel32.net> [BZ #10128] * resolv/res_query.c (__libc_res_nquery): If one query returns NOTIMP or FORMERR and the other NOERROR, don't raise an error.
-rw-r--r--ChangeLog6
-rw-r--r--resolv/res_query.c7
2 files changed, 13 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 4dca208..e1316a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-05-05 Aurelien Jarno <aurelien@aurel32.net>
+
+ [BZ #10128]
+ * resolv/res_query.c (__libc_res_nquery): If one query returns NOTIMP
+ or FORMERR and the other NOERROR, don't raise an error.
+
2009-05-06 Ryan S. Arnold <rsa@us.ibm.com>
[BZ #10118]
diff --git a/resolv/res_query.c b/resolv/res_query.c
index 6ac33ce..9ffb3e3 100644
--- a/resolv/res_query.c
+++ b/resolv/res_query.c
@@ -289,6 +289,13 @@ __libc_res_nquery(res_state statp,
break;
case FORMERR:
case NOTIMP:
+ /* Servers must not reply to AAAA queries with
+ NOTIMP etc but some of them do. */
+ if ((hp->rcode == NOERROR && ntohs (hp->ancount) != 0)
+ || (hp2->rcode == NOERROR
+ && ntohs (hp2->ancount) != 0))
+ goto success;
+ /* FALLTHROUGH */
case REFUSED:
default:
RES_SET_H_ERRNO(statp, NO_RECOVERY);