Vendor import of Bind 9.8.5-P1

Approved by:	delphij (mentor)
Sponsored by:	DK Hostmaster A/S

7 files changed, 162 insertions, 95 deletions

diff --git a/bin/dig/dig.1 b/bin/dig/dig.1
index 6e3bfb6..6d8688e 100644
--- a/bin/dig/dig.1
+++ b/bin/dig/dig.1
@@ -1,4 +1,4 @@
-.\" Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC")
+.\" Copyright (C) 2004-2010, 2013 Internet Systems Consortium, Inc. ("ISC")
 .\" Copyright (C) 2000-2003 Internet Software Consortium.
 .\" 
 .\" Permission to use, copy, modify, and/or distribute this software for any
@@ -57,7 +57,9 @@ allows multiple lookups to be issued from the command line.
 Unless it is told to query a specific name server,
 \fBdig\fR
 will try each of the servers listed in
-\fI/etc/resolv.conf\fR.
+\fI/etc/resolv.conf\fR. If no usable server addreses are found,
+\fBdig\fR
+will send the query to the local host.
 .PP
 When no command line arguments or options are given,
 \fBdig\fR
@@ -95,13 +97,20 @@ is the name or IP address of the name server to query. This can be an IPv4 addre
 \fIserver\fR
 argument is a hostname,
 \fBdig\fR
-resolves that name before querying that name server. If no
+resolves that name before querying that name server.
+.sp
+If no
 \fIserver\fR
 argument is provided,
 \fBdig\fR
 consults
-\fI/etc/resolv.conf\fR
-and queries the name servers listed there. The reply from the name server that responds is displayed.
+\fI/etc/resolv.conf\fR; if an address is found there, it queries the name server at that address. If either of the
+\fB\-4\fR
+or
+\fB\-6\fR
+options are in use, then only addresses for the corresponding transport will be tried. If no usable addresses are found,
+\fBdig\fR
+will send the query to the local host. The reply from the name server that responds is displayed.
 .RE
 .PP
 \fBname\fR
@@ -567,7 +576,7 @@ RFC1035.
 .PP
 There are probably too many query options.
 .SH "COPYRIGHT"
-Copyright \(co 2004\-2010 Internet Systems Consortium, Inc. ("ISC")
+Copyright \(co 2004\-2010, 2013 Internet Systems Consortium, Inc. ("ISC")
 .br
 Copyright \(co 2000\-2003 Internet Software Consortium.
 .br
diff --git a/bin/dig/dig.c b/bin/dig/dig.c
index 5e5ec0f..ce9ccde 100644
--- a/bin/dig/dig.c
+++ b/bin/dig/dig.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2013  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -186,7 +186,7 @@ help(void) {
 "                 +domain=###         (Set default domainname)\n"
 "                 +bufsize=###        (Set EDNS0 Max UDP packet size)\n"
 "                 +ndots=###          (Set NDOTS value)\n"
-"                 +edns=###           (Set EDNS version)\n"
+"                 +[no]edns[=###]     (Set EDNS version) [0]\n"
 "                 +[no]search         (Set whether to use searchlist)\n"
 "                 +[no]showsearch     (Search with intermediate results)\n"
 "                 +[no]defname        (Ditto)\n"
@@ -240,6 +240,8 @@ received(int bytes, isc_sockaddr_t *from, dig_query_t *query) {
 	isc_uint64_t diff;
 	isc_time_t now;
 	time_t tnow;
+	struct tm tmnow;
+	char time_str[100];
 	char fromtext[ISC_SOCKADDR_FORMATSIZE];
 
 	isc_sockaddr_format(from, fromtext, sizeof(fromtext));
@@ -251,7 +253,10 @@ received(int bytes, isc_sockaddr_t *from, dig_query_t *query) {
 		printf(";; Query time: %ld msec\n", (long int)diff/1000);
 		printf(";; SERVER: %s(%s)\n", fromtext, query->servname);
 		time(&tnow);
-		printf(";; WHEN: %s", ctime(&tnow));
+		tmnow  = *localtime(&tnow);
+		if (strftime(time_str, sizeof(time_str),
+			     "%a %b %d %H:%M:%S %Z %Y", &tmnow) > 0U)
+			printf(";; WHEN: %s\n", time_str);
 		if (query->lookup->doing_xfr) {
 			printf(";; XFR size: %u records (messages %u, "
 			       "bytes %" ISC_PRINT_QUADFORMAT "u)\n",
@@ -259,7 +264,6 @@ received(int bytes, isc_sockaddr_t *from, dig_query_t *query) {
 			       query->byte_count);
 		} else {
 			printf(";; MSG SIZE  rcvd: %u\n", bytes);
-
 		}
 		if (key != NULL) {
 			if (!validated)
@@ -276,7 +280,7 @@ received(int bytes, isc_sockaddr_t *from, dig_query_t *query) {
 		       "from %s(%s) in %d ms\n\n",
 		       query->lookup->doing_xfr ?
 				query->byte_count : (isc_uint64_t)bytes,
-		       fromtext, query->servname,
+		       fromtext, query->userarg,
 		       (int)diff/1000);
 	}
 }
@@ -525,6 +529,13 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) {
 				printf(";; WARNING: recursion requested "
 				       "but not available\n");
 		}
+		if (msg != query->lookup->sendmsg &&
+		    query->lookup->edns != -1 && msg->opt == NULL &&
+		    (msg->rcode == dns_rcode_formerr ||
+		     msg->rcode == dns_rcode_notimp))
+			printf("\n;; WARNING: EDNS query returned status "
+			       "%s - retry with '+noedns'\n",
+			       rcode_totext(msg->rcode));
 		if (msg != query->lookup->sendmsg && extrabytes != 0U)
 			printf(";; WARNING: Messages has %u extra byte%s at "
 			       "end\n", extrabytes, extrabytes != 0 ? "s" : "");
@@ -855,8 +866,10 @@ plus_option(char *option, isc_boolean_t is_batchfile,
 			lookup->edns = -1;
 			break;
 		}
-		if (value == NULL)
-			goto need_value;
+		if (value == NULL) {
+			lookup->edns = 0;
+			break;
+		}
 		result = parse_uint(&num, value, 255, "edns");
 		if (result != ISC_R_SUCCESS)
 			fatal("Couldn't parse edns");
diff --git a/bin/dig/dig.docbook b/bin/dig/dig.docbook
index d64d038..1285c43 100644
--- a/bin/dig/dig.docbook
+++ b/bin/dig/dig.docbook
@@ -2,7 +2,7 @@
                "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
 	       [<!ENTITY mdash "&#8212;">]>
 <!--
- - Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ - Copyright (C) 2004-2010, 2013  Internet Systems Consortium, Inc. ("ISC")
  - Copyright (C) 2000-2003  Internet Software Consortium.
  -
  - Permission to use, copy, modify, and/or distribute this software for any
@@ -45,6 +45,7 @@
       <year>2008</year>
       <year>2009</year>
       <year>2010</year>
+      <year>2013</year>
       <holder>Internet Systems Consortium, Inc. ("ISC")</holder>
     </copyright>
     <copyright>
@@ -116,9 +117,10 @@
 
     <para>
       Unless it is told to query a specific name server,
-      <command>dig</command> will try each of the servers listed
-      in
-      <filename>/etc/resolv.conf</filename>.
+      <command>dig</command> will try each of the servers listed in
+      <filename>/etc/resolv.conf</filename>. If no usable server addreses
+      are found, <command>dig</command> will send the query to the local
+      host.
     </para>
 
     <para>
@@ -157,20 +159,25 @@
           <term><constant>server</constant></term>
           <listitem>
             <para>
-              is the name or IP address of the name server to query.  This can
-              be an IPv4
-              address in dotted-decimal notation or an IPv6
+              is the name or IP address of the name server to query.  This
+              can be an IPv4 address in dotted-decimal notation or an IPv6
               address in colon-delimited notation.  When the supplied
-              <parameter>server</parameter> argument is a
-              hostname,
-              <command>dig</command> resolves that name before
-              querying that name
-              server.  If no <parameter>server</parameter>
-              argument is provided,
-              <command>dig</command> consults <filename>/etc/resolv.conf</filename>
-              and queries the name servers listed there.  The reply from the
-              name
-              server that responds is displayed.
+              <parameter>server</parameter> argument is a hostname,
+              <command>dig</command> resolves that name before querying
+              that name server.
+            </para>
+            <para>
+              If no <parameter>server</parameter> argument is
+              provided, <command>dig</command> consults
+              <filename>/etc/resolv.conf</filename>; if an
+              address is found there, it queries the name server at
+              that address. If either of the <option>-4</option> or
+              <option>-6</option> options are in use, then
+              only addresses for the corresponding transport
+              will be tried.  If no usable addresses are found,
+              <command>dig</command> will send the query to the
+              local host.  The reply from the name server that
+              responds is displayed.
             </para>
           </listitem>
         </varlistentry>
diff --git a/bin/dig/dig.html b/bin/dig/dig.html
index ceef3fa..a1cd5cf 100644
--- a/bin/dig/dig.html
+++ b/bin/dig/dig.html
@@ -1,5 +1,5 @@
 <!--
- - Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC")
+ - Copyright (C) 2004-2010, 2013 Internet Systems Consortium, Inc. ("ISC")
  - Copyright (C) 2000-2003 Internet Software Consortium.
  - 
  - Permission to use, copy, modify, and/or distribute this software for any
@@ -34,7 +34,7 @@
 <div class="cmdsynopsis"><p><code class="command">dig</code>  [global-queryopt...] [query...]</p></div>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2543524"></a><h2>DESCRIPTION</h2>
+<a name="id2543527"></a><h2>DESCRIPTION</h2>
 <p><span><strong class="command">dig</strong></span>
       (domain information groper) is a flexible tool
       for interrogating DNS name servers.  It performs DNS lookups and
@@ -57,9 +57,10 @@
     </p>
 <p>
       Unless it is told to query a specific name server,
-      <span><strong class="command">dig</strong></span> will try each of the servers listed
-      in
-      <code class="filename">/etc/resolv.conf</code>.
+      <span><strong class="command">dig</strong></span> will try each of the servers listed in
+      <code class="filename">/etc/resolv.conf</code>. If no usable server addreses
+      are found, <span><strong class="command">dig</strong></span> will send the query to the local
+      host.
     </p>
 <p>
       When no command line arguments or options are given,
@@ -80,7 +81,7 @@
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2543597"></a><h2>SIMPLE USAGE</h2>
+<a name="id2543606"></a><h2>SIMPLE USAGE</h2>
 <p>
       A typical invocation of <span><strong class="command">dig</strong></span> looks like:
       </p>
@@ -91,22 +92,29 @@
       </p>
 <div class="variablelist"><dl>
 <dt><span class="term"><code class="constant">server</code></span></dt>
-<dd><p>
-              is the name or IP address of the name server to query.  This can
-              be an IPv4
-              address in dotted-decimal notation or an IPv6
+<dd>
+<p>
+              is the name or IP address of the name server to query.  This
+              can be an IPv4 address in dotted-decimal notation or an IPv6
               address in colon-delimited notation.  When the supplied
-              <em class="parameter"><code>server</code></em> argument is a
-              hostname,
-              <span><strong class="command">dig</strong></span> resolves that name before
-              querying that name
-              server.  If no <em class="parameter"><code>server</code></em>
-              argument is provided,
-              <span><strong class="command">dig</strong></span> consults <code class="filename">/etc/resolv.conf</code>
-              and queries the name servers listed there.  The reply from the
-              name
-              server that responds is displayed.
-            </p></dd>
+              <em class="parameter"><code>server</code></em> argument is a hostname,
+              <span><strong class="command">dig</strong></span> resolves that name before querying
+              that name server.
+            </p>
+<p>
+              If no <em class="parameter"><code>server</code></em> argument is
+              provided, <span><strong class="command">dig</strong></span> consults
+              <code class="filename">/etc/resolv.conf</code>; if an
+              address is found there, it queries the name server at
+              that address. If either of the <code class="option">-4</code> or
+              <code class="option">-6</code> options are in use, then
+              only addresses for the corresponding transport
+              will be tried.  If no usable addresses are found,
+              <span><strong class="command">dig</strong></span> will send the query to the
+              local host.  The reply from the name server that
+              responds is displayed.
+            </p>
+</dd>
 <dt><span class="term"><code class="constant">name</code></span></dt>
 <dd><p>
               is the name of the resource record that is to be looked up.
@@ -126,7 +134,7 @@
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2543688"></a><h2>OPTIONS</h2>
+<a name="id2543709"></a><h2>OPTIONS</h2>
 <p>
       The <code class="option">-b</code> option sets the source IP address of the query
       to <em class="parameter"><code>address</code></em>.  This must be a valid
@@ -230,7 +238,7 @@
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2544037"></a><h2>QUERY OPTIONS</h2>
+<a name="id2544058"></a><h2>QUERY OPTIONS</h2>
 <p><span><strong class="command">dig</strong></span>
       provides a number of query options which affect
       the way in which lookups are made and the results displayed.  Some of
@@ -561,7 +569,7 @@
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2545186"></a><h2>MULTIPLE QUERIES</h2>
+<a name="id2545207"></a><h2>MULTIPLE QUERIES</h2>
 <p>
       The BIND 9 implementation of <span><strong class="command">dig </strong></span>
       supports
@@ -607,7 +615,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2545248"></a><h2>IDN SUPPORT</h2>
+<a name="id2545337"></a><h2>IDN SUPPORT</h2>
 <p>
       If <span><strong class="command">dig</strong></span> has been built with IDN (internationalized
       domain name) support, it can accept and display non-ASCII domain names.
@@ -621,14 +629,14 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2545338"></a><h2>FILES</h2>
+<a name="id2545360"></a><h2>FILES</h2>
 <p><code class="filename">/etc/resolv.conf</code>
     </p>
 <p><code class="filename">${HOME}/.digrc</code>
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2545355"></a><h2>SEE ALSO</h2>
+<a name="id2545377"></a><h2>SEE ALSO</h2>
 <p><span class="citerefentry"><span class="refentrytitle">host</span>(1)</span>,
       <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
       <span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
@@ -636,7 +644,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
     </p>
 </div>
 <div class="refsect1" lang="en">
-<a name="id2545393"></a><h2>BUGS</h2>
+<a name="id2545414"></a><h2>BUGS</h2>
 <p>
       There are probably too many query options.
     </p>
diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index 9695de0..8ea7d8e 100644
--- a/bin/dig/dighost.c
+++ b/bin/dig/dighost.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -794,6 +794,7 @@ make_empty_lookup(void) {
 	dns_fixedname_init(&looknew->fdomain);
 	ISC_LINK_INIT(looknew, link);
 	ISC_LIST_INIT(looknew->q);
+	ISC_LIST_INIT(looknew->connecting);
 	ISC_LIST_INIT(looknew->my_server_list);
 	return (looknew);
 }
@@ -815,11 +816,11 @@ clone_lookup(dig_lookup_t *lookold, isc_boolean_t servers) {
 
 	looknew = make_empty_lookup();
 	INSIST(looknew != NULL);
-	strncpy(looknew->textname, lookold->textname, MXNAME);
+	strlcpy(looknew->textname, lookold->textname, MXNAME);
 #if DIG_SIGCHASE_TD
-	strncpy(looknew->textnamesigchase, lookold->textnamesigchase, MXNAME);
+	strlcpy(looknew->textnamesigchase, lookold->textnamesigchase, MXNAME);
 #endif
-	strncpy(looknew->cmdline, lookold->cmdline, MXNAME);
+	strlcpy(looknew->cmdline, lookold->cmdline, MXNAME);
 	looknew->textname[MXNAME-1] = 0;
 	looknew->rdtype = lookold->rdtype;
 	looknew->qrdtype = lookold->qrdtype;
@@ -998,7 +999,7 @@ parse_hmac(const char *hmac) {
 	len = strlen(hmac);
 	if (len >= (int) sizeof(buf))
 		fatal("unknown key type '%.*s'", len, hmac);
-	strncpy(buf, hmac, sizeof(buf));
+	strlcpy(buf, hmac, sizeof(buf));
 
 	digestbits = 0;
 
@@ -1080,8 +1081,8 @@ read_confkey(void) {
 	secretstr = cfg_obj_asstring(secretobj);
 	algorithm = cfg_obj_asstring(algorithmobj);
 
-	strncpy(keynametext, keyname, sizeof(keynametext));
-	strncpy(keysecret, secretstr, sizeof(keysecret));
+	strlcpy(keynametext, keyname, sizeof(keynametext));
+	strlcpy(keysecret, secretstr, sizeof(keysecret));
 	parse_hmac(algorithm);
 	setup_text_key();
 
@@ -1164,7 +1165,7 @@ make_searchlist_entry(char *domain) {
 	if (search == NULL)
 		fatal("memory allocation failure in %s:%d",
 		      __FILE__, __LINE__);
-	strncpy(search->origin, domain, MXNAME);
+	strlcpy(search->origin, domain, MXNAME);
 	search->origin[MXNAME-1] = 0;
 	ISC_LINK_INIT(search, link);
 	return (search);
@@ -1473,7 +1474,10 @@ clear_query(dig_query_t *query) {
 	if (lookup->current_query == query)
 		lookup->current_query = NULL;
 
-	ISC_LIST_UNLINK(lookup->q, query, link);
+	if (ISC_LINK_LINKED(query, link))
+		ISC_LIST_UNLINK(lookup->q, query, link);
+	if (ISC_LINK_LINKED(query, clink))
+		ISC_LIST_UNLINK(lookup->connecting, query, clink);
 	if (ISC_LINK_LINKED(&query->recvbuf, link))
 		ISC_LIST_DEQUEUE(query->recvlist, &query->recvbuf,
 				 link);
@@ -1481,6 +1485,7 @@ clear_query(dig_query_t *query) {
 		ISC_LIST_DEQUEUE(query->lengthlist, &query->lengthbuf,
 				 link);
 	INSIST(query->recvspace != NULL);
+
 	if (query->sock != NULL) {
 		isc_socket_detach(&query->sock);
 		sockcount--;
@@ -1508,13 +1513,22 @@ try_clear_lookup(dig_lookup_t *lookup) {
 
 	debug("try_clear_lookup(%p)", lookup);
 
-	if (ISC_LIST_HEAD(lookup->q) != NULL) {
+	if (ISC_LIST_HEAD(lookup->q) != NULL ||
+	    ISC_LIST_HEAD(lookup->connecting) != NULL)
+	{
 		if (debugging) {
 			q = ISC_LIST_HEAD(lookup->q);
 			while (q != NULL) {
 				debug("query to %s still pending", q->servname);
 				q = ISC_LIST_NEXT(q, link);
 			}
+
+			q = ISC_LIST_HEAD(lookup->connecting);
+			while (q != NULL) {
+				debug("query to %s still connecting",
+				      q->servname);
+				q = ISC_LIST_NEXT(q, clink);
+			}
 		}
 		return (ISC_FALSE);
 	}
@@ -1642,7 +1656,7 @@ start_lookup(void) {
 				= current_lookup->rdclassset;
 			current_lookup->rdclass = dns_rdataclass_in;
 
-			strncpy(current_lookup->textnamesigchase,
+			strlcpy(current_lookup->textnamesigchase,
 				current_lookup->textname, MXNAME);
 
 			current_lookup->trace_root_sigchase = ISC_TRUE;
@@ -1654,7 +1668,7 @@ start_lookup(void) {
 			check_result(result, "dns_name_totext");
 			isc_buffer_usedregion(b, &r);
 			r.base[r.length] = '\0';
-			strncpy(current_lookup->textname, (char*)r.base,
+			strlcpy(current_lookup->textname, (char*)r.base,
 				MXNAME);
 			isc_buffer_free(&b);
 
@@ -2290,7 +2304,6 @@ setup_lookup(dig_lookup_t *lookup) {
 		query->rr_count = 0;
 		query->msg_count = 0;
 		query->byte_count = 0;
-		ISC_LINK_INIT(query, link);
 		ISC_LIST_INIT(query->recvlist);
 		ISC_LIST_INIT(query->lengthlist);
 		query->sock = NULL;
@@ -2303,6 +2316,7 @@ setup_lookup(dig_lookup_t *lookup) {
 		isc_buffer_init(&query->slbuf, query->slspace, 2);
 		query->sendbuf = lookup->renderbuf;
 
+		ISC_LINK_INIT(query, clink);
 		ISC_LINK_INIT(query, link);
 		ISC_LIST_ENQUEUE(lookup->q, query, link);
 	}
@@ -2424,6 +2438,7 @@ static void
 force_timeout(dig_lookup_t *l, dig_query_t *query) {
 	isc_event_t *event;
 
+	debug("force_timeout ()");
 	event = isc_event_allocate(mctx, query, ISC_TIMEREVENT_IDLE,
 				   connect_timeout, l,
 				   sizeof(isc_event_t));
@@ -2491,6 +2506,7 @@ send_tcp_connect(dig_query_t *query) {
 		send_tcp_connect(next);
 		return;
 	}
+
 	INSIST(query->sock == NULL);
 	result = isc_socket_create(socketmgr,
 				   isc_sockaddr_pf(&query->sockaddr),
@@ -2521,6 +2537,9 @@ send_tcp_connect(dig_query_t *query) {
 	if (l->ns_search_only && !l->trace_root) {
 		debug("sending next, since searching");
 		next = ISC_LIST_NEXT(query, link);
+		if (ISC_LINK_LINKED(query, link))
+			ISC_LIST_DEQUEUE(l->q, query, link);
+		ISC_LIST_ENQUEUE(l->connecting, query, clink);
 		if (next != NULL)
 			send_tcp_connect(next);
 	}
@@ -2601,7 +2620,7 @@ send_udp(dig_query_t *query) {
 static void
 connect_timeout(isc_task_t *task, isc_event_t *event) {
 	dig_lookup_t *l = NULL;
-	dig_query_t *query = NULL, *cq;
+	dig_query_t *query = NULL, *next, *cq;
 
 	UNUSED(task);
 	REQUIRE(event->ev_type == ISC_TIMEREVENT_IDLE);
@@ -2625,7 +2644,9 @@ connect_timeout(isc_task_t *task, isc_event_t *event) {
 			if (query->sock != NULL)
 				isc_socket_cancel(query->sock, NULL,
 						  ISC_SOCKCANCEL_ALL);
-			send_tcp_connect(ISC_LIST_NEXT(cq, link));
+			next = ISC_LIST_NEXT(cq, link);
+			if (next != NULL)
+				send_tcp_connect(next);
 		}
 		UNLOCK_LOOKUP;
 		return;
@@ -2868,9 +2889,8 @@ connect_done(isc_task_t *task, isc_event_t *event) {
 		if (next != NULL) {
 			bringup_timer(next, TCP_TIMEOUT);
 			send_tcp_connect(next);
-		} else {
+		} else
 			check_next_lookup(l);
-		}
 		UNLOCK_LOOKUP;
 		return;
 	}
@@ -3427,6 +3447,7 @@ recv_done(isc_task_t *task, isc_event_t *event) {
 				if (n == 0)
 					docancel = ISC_TRUE;
 				l->trace_root = ISC_FALSE;
+				usesearch = ISC_FALSE;
 			} else
 #ifdef DIG_SIGCHASE
 				if (!do_sigchase)
@@ -3603,15 +3624,19 @@ getaddresses(dig_lookup_t *lookup, const char *host, isc_result_t *resultp) {
  */
 void
 do_lookup(dig_lookup_t *lookup) {
+	dig_query_t *query;
 
 	REQUIRE(lookup != NULL);
 
 	debug("do_lookup()");
 	lookup->pending = ISC_TRUE;
-	if (lookup->tcp_mode)
-		send_tcp_connect(ISC_LIST_HEAD(lookup->q));
-	else
-		send_udp(ISC_LIST_HEAD(lookup->q));
+	query = ISC_LIST_HEAD(lookup->q);
+	if (query != NULL) {
+		if (lookup->tcp_mode)
+			send_tcp_connect(query);
+		else
+			send_udp(query);
+	}
 }
 
 /*%
@@ -4083,7 +4108,7 @@ sigchase_scanname(dns_rdatatype_t type, dns_rdatatype_t covers,
 	check_result(result, "dns_name_totext");
 	isc_buffer_usedregion(b, &r);
 	r.base[r.length] = '\0';
-	strcpy(lookup->textname, (char*)r.base);
+	strlcpy(lookup->textname, (char*)r.base, sizeof(lookup->textname));
 	isc_buffer_free(&b);
 
 	if (type ==  dns_rdatatype_rrsig)
@@ -4208,7 +4233,7 @@ opentmpkey(isc_mem_t *mctx, const char *file, char **tempp, FILE **fp) {
 			return (ISC_R_NOMEMORY);
 
 		memset(tempnamekey, 0, tempnamekeylen);
-		strncpy(tempnamekey, tempname, tempnamelen);
+		strlcpy(tempnamekey, tempname, tempnamelen);
 		strcat(tempnamekey ,".key");
 
 
@@ -4342,7 +4367,7 @@ prepare_lookup(dns_name_t *name)
 	lookup->new_search = ISC_TRUE;
 	lookup->trace_root_sigchase = ISC_FALSE;
 
-	strncpy(lookup->textname, lookup->textnamesigchase, MXNAME);
+	strlcpy(lookup->textname, lookup->textnamesigchase, MXNAME);
 
 	lookup->rdtype = lookup->rdtype_sigchase;
 	lookup->rdtypeset = ISC_TRUE;
@@ -4401,7 +4426,7 @@ prepare_lookup(dns_name_t *name)
 				dns_rdata_totext(&aaaa, &ns.name, b);
 				isc_buffer_usedregion(b, &r);
 				r.base[r.length] = '\0';
-				strncpy(namestr, (char*)r.base,
+				strlcpy(namestr, (char*)r.base,
 					DNS_NAME_FORMATSIZE);
 				isc_buffer_free(&b);
 				dns_rdata_reset(&aaaa);
@@ -4430,7 +4455,7 @@ prepare_lookup(dns_name_t *name)
 				dns_rdata_totext(&a, &ns.name, b);
 				isc_buffer_usedregion(b, &r);
 				r.base[r.length] = '\0';
-				strncpy(namestr, (char*)r.base,
+				strlcpy(namestr, (char*)r.base,
 					DNS_NAME_FORMATSIZE);
 				isc_buffer_free(&b);
 				dns_rdata_reset(&a);
@@ -4609,7 +4634,6 @@ contains_trusted_key(dns_name_t *name, dns_rdataset_t *rdataset,
 {
 	isc_result_t result;
 	dns_rdata_t rdata = DNS_RDATA_INIT;
-	dst_key_t *trustedKey = NULL;
 	dst_key_t *dnsseckey = NULL;
 	int i;
 
@@ -4653,10 +4677,6 @@ contains_trusted_key(dns_name_t *name, dns_rdataset_t *rdataset,
 			dst_key_free(&dnsseckey);
 	} while (dns_rdataset_next(rdataset) == ISC_R_SUCCESS);
 
-	if (trustedKey != NULL)
-		dst_key_free(&trustedKey);
-	trustedKey = NULL;
-
 	return (ISC_R_NOTFOUND);
 }
 
diff --git a/bin/dig/host.c b/bin/dig/host.c
index 82eea05..6b37f5f 100644
--- a/bin/dig/host.c
+++ b/bin/dig/host.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009-2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -446,10 +446,18 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) {
 	if (msg->rcode != 0) {
 		char namestr[DNS_NAME_FORMATSIZE];
 		dns_name_format(query->lookup->name, namestr, sizeof(namestr));
-		printf("Host %s not found: %d(%s)\n",
-		       (msg->rcode != dns_rcode_nxdomain) ? namestr :
-		       query->lookup->textname, msg->rcode,
-		       rcode_totext(msg->rcode));
+
+		if (query->lookup->identify_previous_line)
+			printf("Nameserver %s:\n\t%s not found: %d(%s)\n",
+			       query->servname,
+			       (msg->rcode != dns_rcode_nxdomain) ? namestr :
+			       query->lookup->textname, msg->rcode,
+			       rcode_totext(msg->rcode));
+		else
+			printf("Host %s not found: %d(%s)\n",
+			       (msg->rcode != dns_rcode_nxdomain) ? namestr :
+			       query->lookup->textname, msg->rcode,
+			       rcode_totext(msg->rcode));
 		return (ISC_R_SUCCESS);
 	}
 
diff --git a/bin/dig/include/dig/dig.h b/bin/dig/include/dig/dig.h
index 6c186de..e039745 100644
--- a/bin/dig/include/dig/dig.h
+++ b/bin/dig/include/dig/dig.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -168,6 +168,7 @@ isc_boolean_t	sigchase;
 	dns_name_t *oname;
 	ISC_LINK(dig_lookup_t) link;
 	ISC_LIST(dig_query_t) q;
+	ISC_LIST(dig_query_t) connecting;
 	dig_query_t *current_query;
 	dig_serverlist_t my_server_list;
 	dig_searchlist_t *origin;
@@ -214,6 +215,7 @@ struct dig_query {
 		slspace[4];
 	isc_socket_t *sock;
 	ISC_LINK(dig_query_t) link;
+	ISC_LINK(dig_query_t) clink;
 	isc_sockaddr_t sockaddr;
 	isc_time_t time_sent;
 	isc_uint64_t byte_count;