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rpms/bind/devel bind-9.3.1-no_servfail_stops.patch,NONE,1.1



Author: jvdias

Update of /cvs/dist/rpms/bind/devel
In directory cvs.devel.redhat.com:/tmp/cvs-serv7099

Added Files:
	bind-9.3.1-no_servfail_stops.patch 
Log Message:
fix bug 160914: make host and nslookup try next server on SERVFAIL or referral by default; give host the "-s" option, and nslookup the "[no]fail" option, to disable

bind-9.3.1-no_servfail_stops.patch:
 host.1     |    6 +++++-
 host.c     |   11 +++++++++--
 nslookup.1 |    6 ++++++
 nslookup.c |    9 ++++++++-
 4 files changed, 28 insertions(+), 4 deletions(-)

--- NEW FILE bind-9.3.1-no_servfail_stops.patch ---
--- bind-9.3.1/bin/dig/host.1.no_servfail_stops	2004-04-13 00:11:03.000000000 -0400
+++ bind-9.3.1/bin/dig/host.1	2005-07-07 13:55:57.000000000 -0400
@@ -20,7 +20,7 @@
 host \- DNS lookup utility
 .SH SYNOPSIS
 .sp
-\fBhost\fR [ \fB-aCdlnrTwv\fR ]  [ \fB-c \fIclass\fB\fR ]  [ \fB-N \fIndots\fB\fR ]  [ \fB-R \fInumber\fB\fR ]  [ \fB-t \fItype\fB\fR ]  [ \fB-W \fIwait\fB\fR ]  [ \fB-4\fR ]  [ \fB-6\fR ]  \fBname\fR [ \fBserver\fR ] 
+\fBhost\fR [ \fB-aCdlnrTwv\fR ]  [ \fB-c \fIclass\fB\fR ]  [ \fB-N \fIndots\fB\fR ]  [ \fB-R \fInumber\fB\fR ]  [ \fB-t \fItype\fB\fR ]  [ \fB-W \fIwait\fB\fR ]  [ \fB-4\fR ]  [ \fB-6\fR ] [ \fB-s\fR ] \fBname\fR [ \fBserver\fR ] 
 .SH "DESCRIPTION"
 .PP
 \fBhost\fR
@@ -127,6 +127,10 @@
 effectively wait forever for a reply. The time to wait for a response
 will be set to the number of seconds given by the hardware's maximum
 value for an integer quantity.
+.PP
+The \fB-s\fR option tells \fBhost\fR NOT to send the query to the next nameserver if any
+server responds with a SERVFAIL response, which is the reverse of normal stub resolver
+behaviour.
 .SH "FILES"
 .PP
 \fI/etc/resolv.conf\fR
--- bind-9.3.1/bin/dig/nslookup.c.no_servfail_stops	2004-09-05 21:33:05.000000000 -0400
+++ bind-9.3.1/bin/dig/nslookup.c	2005-07-07 14:58:08.000000000 -0400
@@ -63,7 +63,8 @@
 	comments = ISC_TRUE, section_question = ISC_TRUE,
 	section_answer = ISC_TRUE, section_authority = ISC_TRUE,
 	section_additional = ISC_TRUE, recurse = ISC_TRUE,
-	aaonly = ISC_FALSE;
+        aaonly = ISC_FALSE, nofail=ISC_TRUE;
+
 static isc_boolean_t in_use = ISC_FALSE;
 static char defclass[MXRD] = "IN";
 static char deftype[MXRD] = "A";
@@ -644,6 +645,10 @@
 		usesearch = ISC_FALSE;
 	} else if (strncasecmp(opt, "sil", 3) == 0) {
 		/* deprecation_msg = ISC_FALSE; */
+	} else if (strncasecmp(opt, "fail", 3) == 0) {
+	       nofail=ISC_FALSE;
+	} else if (strncasecmp(opt, "nofail", 3) == 0) {
+	       nofail=ISC_TRUE;
 	} else {
 		printf("*** Invalid option: %s\n", opt);	
 	}
@@ -702,6 +707,8 @@
 	lookup->section_authority = section_authority;
 	lookup->section_additional = section_additional;
 	lookup->new_search = ISC_TRUE;
+	if ( nofail )
+	    lookup->servfail_stops = ISC_FALSE;
 	ISC_LIST_INIT(lookup->q);
 	ISC_LINK_INIT(lookup, link);
 	ISC_LIST_APPEND(lookup_list, lookup, link);
--- bind-9.3.1/bin/dig/nslookup.1.no_servfail_stops	2004-08-19 22:29:39.000000000 -0400
+++ bind-9.3.1/bin/dig/nslookup.1	2005-07-07 14:53:12.000000000 -0400
@@ -178,6 +178,12 @@
 Always use a virtual circuit when sending requests to the server.
 
 (Default = novc)
+.TP
+\fB[no]fail\R
+Try the next nameserver if a nameserver responds with SERVFAIL or
+a referral (nofail) or terminate query (fail) on such a response.
+
+(Default = nofail)
 .RE
 .SH "FILES"
 .PP
--- bind-9.3.1/bin/dig/host.c.no_servfail_stops	2004-09-05 21:33:05.000000000 -0400
+++ bind-9.3.1/bin/dig/host.c	2005-07-07 14:31:33.000000000 -0400
@@ -143,7 +143,8 @@
 "       -w specifies to wait forever for a reply\n"
 "       -W specifies how long to wait for a reply\n"
 "       -4 use IPv4 query transport only\n"
-"       -6 use IPv6 query transport only\n", stderr);
+"       -6 use IPv6 query transport only\n"
+"       -s a SERVFAIL response should stop query\n", stderr);
 	exit(1);
 }
 
@@ -553,7 +554,10 @@
 
 	lookup = make_empty_lookup();
 
-	while ((c = isc_commandline_parse(argc, argv, "lvwrdt:c:aTCN:R:W:Dni46"))
+	lookup->servfail_stops = ISC_FALSE;
+	lookup->comments = ISC_FALSE;
+
+	while ((c = isc_commandline_parse(argc, argv, "lvwrdt:c:aTCN:R:W:Dni46s"))
 	       != EOF) {
 		switch (c) {
 		case 'l':
@@ -690,6 +694,9 @@
 			} else
 				fatal("can't find IPv6 networking");
 			break;
+		case 's':
+		        lookup->servfail_stops = ISC_TRUE;
+			break;
 		}
 	}
 


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