Attachment 573471 Details for Bug 807540 – Patch to fix the problem, taken from RHEL bind-9.7.3-8.P3.el6_2.2

[patch] Patch to fix the problem, taken from RHEL bind-9.7.3-8.P3.el6_2.2

bind97-betterreferral.patch (text/plain), 1.63 KB, created by CJ Kucera on 2012-03-28 21:18:00 UTC

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Creator: CJ Kucera

Created: 2012-03-28 21:18:00 UTC

Size: 1.63 KB

patch

obsolete

>diff -ruN bind-9.7.0-P2/lib/dns/resolver.c bind-9.7.0-P2-cj/lib/dns/resolver.c
>--- bind-9.7.0-P2/lib/dns/resolver.c	2012-03-28 11:18:08.000000000 -0500
>+++ bind-9.7.0-P2-cj/lib/dns/resolver.c	2012-03-28 16:12:04.000000000 -0500
>@@ -6419,6 +6419,29 @@
> 	return (result == ISC_R_SUCCESS ? ISC_TRUE : ISC_FALSE);
> }
> 
>+static isc_boolean_t
>+betterreferral(fetchctx_t *fctx) {
>+        isc_result_t result;
>+        dns_name_t *name;
>+        dns_rdataset_t *rdataset;
>+        dns_message_t *message = fctx->rmessage;
>+
>+        for (result = dns_message_firstname(message, DNS_SECTION_AUTHORITY);
>+             result == ISC_R_SUCCESS;
>+             result = dns_message_nextname(message, DNS_SECTION_AUTHORITY)) {
>+                name = NULL;
>+                dns_message_currentname(message, DNS_SECTION_AUTHORITY, &name);
>+                if (!isstrictsubdomain(name, &fctx->domain))
>+                        continue;
>+                for (rdataset = ISC_LIST_HEAD(name->list);
>+                     rdataset != NULL;
>+                     rdataset = ISC_LIST_NEXT(rdataset, link))
>+                        if (rdataset->type == dns_rdatatype_ns)
>+                                return (ISC_TRUE);
>+        }
>+        return (ISC_FALSE);
>+}
>+
> static void
> resquery_response(isc_task_t *task, isc_event_t *event) {
> 	isc_result_t result = ISC_R_SUCCESS;
>@@ -6876,6 +6899,12 @@
> 			 * it as a valid answer.
> 			 */
> 			result = answer_response(fctx);
>+		} else if (fctx->type != dns_rdatatype_ns &&
>+			!betterreferral(fctx)) {
>+			/*
>+			 * Lame response !!!.
>+			 */
>+			result = answer_response(fctx);
> 		} else {
> 			if (fctx->type == dns_rdatatype_ns) {
> 				/*

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Attachments on bug 807540: 573236 | 573237 | 573471