From b8fff4f0d70bb9c5e53023ad0dae0acda67b5cda Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Thu, 17 Oct 2002 23:44:35 +0000
Subject: [PATCH] 1390.  [func]          host now supports ixfr. developer:
 marka reviewer: jinmei

---
 CHANGES              |  2 ++
 bin/dig/host.c       | 23 ++++++++++++++++++-----
 bin/dig/host.docbook | 12 +++++++-----
 3 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/CHANGES b/CHANGES
index fc051e723c..7777e5ff18 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+1390.	[func]		host now supports ixfr.
+
 1389.	[bug]		named could fail to rotate long log files.  [RT #3666]
 
 1388.	[port]		irix: check for sys/sysctl.h and NET_RT_IFLIST before
diff --git a/bin/dig/host.c b/bin/dig/host.c
index d2f92e0d3f..a0ae986d93 100644
--- a/bin/dig/host.c
+++ b/bin/dig/host.c
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: host.c,v 1.87 2002/09/26 11:17:06 jinmei Exp $ */
+/* $Id: host.c,v 1.88 2002/10/17 23:44:35 marka Exp $ */
 
 #include <config.h>
 #include <stdlib.h>
@@ -500,6 +500,7 @@ parse_args(isc_boolean_t is_batchfile, int argc, char **argv) {
 	isc_result_t result = ISC_R_SUCCESS;
 	dns_rdatatype_t rdtype;
 	dns_rdataclass_t rdclass;
+	isc_uint32_t serial = 0;
 
 	UNUSED(is_batchfile);
 
@@ -522,10 +523,19 @@ parse_args(isc_boolean_t is_batchfile, int argc, char **argv) {
 			lookup->recurse = ISC_FALSE;
 			break;
 		case 't':
-			tr.base = isc_commandline_argument;
-			tr.length = strlen(isc_commandline_argument);
-			result = dns_rdatatype_fromtext(&rdtype,
+			if (strncasecmp(isc_commandline_argument,
+					"ixfr=", 5) == 0) {
+				rdtype = dns_rdatatype_ixfr;
+				/* XXXMPA add error checking */
+				serial = strtoul(isc_commandline_argument + 5,
+						 NULL, 10);
+				result = ISC_R_SUCCESS;
+			} else {
+				tr.base = isc_commandline_argument;
+				tr.length = strlen(isc_commandline_argument);
+				result = dns_rdatatype_fromtext(&rdtype,
 						   (isc_textregion_t *)&tr);
+			}
 
 			if (result != ISC_R_SUCCESS) {
 				fatalexit = 2;
@@ -541,7 +551,10 @@ parse_args(isc_boolean_t is_batchfile, int argc, char **argv) {
 				list_type = dns_rdatatype_any;
 				short_form = ISC_FALSE;
 				lookup->tcp_mode = ISC_TRUE;
-			} else 
+			} else if (rdtype == dns_rdatatype_ixfr) {
+				lookup->ixfr_serial = serial;
+				list_type = rdtype;
+			} else
 				list_type = rdtype;
 			list_addresses = ISC_FALSE;
 			break;
diff --git a/bin/dig/host.docbook b/bin/dig/host.docbook
index 85d562b902..77a5e1229d 100644
--- a/bin/dig/host.docbook
+++ b/bin/dig/host.docbook
@@ -16,7 +16,7 @@
  - WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 -->
 
-<!-- $Id: host.docbook,v 1.3 2002/07/25 05:46:07 marka Exp $ -->
+<!-- $Id: host.docbook,v 1.4 2002/10/17 23:44:35 marka Exp $ -->
 
 <refentry>
 
@@ -103,9 +103,9 @@ output.
 <para>
 List mode is selected by the <option>-l</option> option.  This makes
 <command>host</command> perform a zone transfer for zone
-<parameter>name</parameter>.  The argument is provided for
-compatibility with older implemementations.  This option is equivalent
-to making a query of type AXFR.
+<parameter>name</parameter>.  Transfer the zone printing out the NS, PTR
+and address records (A/AAAA).  If combined with <option>-a</option>
+all records will be printed.  
 </para>
 
 <para>
@@ -163,7 +163,9 @@ type.  By default it looks for A records, but if the
 <option>-C</option> option was given, queries will be made for SOA
 records, and if <parameter>name</parameter> is a dotted-decimal IPv4
 address or colon-delimited IPv6 address, <command>host</command> will
-query for PTR records.
+query for PTR records.  If a query type of IXFR is chosen the starting
+serial number can be specified by appending an equal followed by the
+starting serial number (e.g. -t IXFR=12345678).
 </para>
 
 <para>