diff options
Diffstat (limited to 'contrib/bind9/bin/dig/host.c')
| -rw-r--r-- | contrib/bind9/bin/dig/host.c | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/contrib/bind9/bin/dig/host.c b/contrib/bind9/bin/dig/host.c index 468d53b..7d8ce9b 100644 --- a/contrib/bind9/bin/dig/host.c +++ b/contrib/bind9/bin/dig/host.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: host.c,v 1.76.2.5.2.13 2005/07/04 03:29:45 marka Exp $ */ +/* $Id: host.c,v 1.76.2.5.2.16 2006/05/23 04:43:47 marka Exp $ */ #include <config.h> #include <limits.h> @@ -37,6 +37,7 @@ #include <dns/rdataclass.h> #include <dns/rdataset.h> #include <dns/rdatatype.h> +#include <dns/rdatastruct.h> #include <dig/dig.h> @@ -45,6 +46,7 @@ static isc_boolean_t default_lookups = ISC_TRUE; static int seen_error = -1; static isc_boolean_t list_addresses = ISC_TRUE; static dns_rdatatype_t list_type = dns_rdatatype_a; +static isc_boolean_t printed_server = ISC_FALSE; static const char *opcodetext[] = { "QUERY", @@ -351,6 +353,32 @@ printrdata(dns_message_t *msg, dns_rdataset_t *rdataset, dns_name_t *owner, return (ISC_R_SUCCESS); } +static void +chase_cnamechain(dns_message_t *msg, dns_name_t *qname) { + isc_result_t result; + dns_rdataset_t *rdataset; + dns_rdata_cname_t cname; + dns_rdata_t rdata = DNS_RDATA_INIT; + unsigned int i = msg->counts[DNS_SECTION_ANSWER]; + + while (i-- > 0) { + rdataset = NULL; + result = dns_message_findname(msg, DNS_SECTION_ANSWER, qname, + dns_rdatatype_cname, 0, NULL, + &rdataset); + if (result != ISC_R_SUCCESS) + return; + result = dns_rdataset_first(rdataset); + check_result(result, "dns_rdataset_first"); + dns_rdata_reset(&rdata); + dns_rdataset_current(rdataset, &rdata); + result = dns_rdata_tostruct(&rdata, &cname, NULL); + check_result(result, "dns_rdata_tostruct"); + dns_name_copy(&cname.cname, qname, NULL); + dns_rdata_freestruct(&cname); + } +} + isc_result_t printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { isc_boolean_t did_flag = ISC_FALSE; @@ -367,7 +395,7 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { */ force_error = (seen_error == 1) ? 1 : 0; seen_error = 1; - if (listed_server) { + if (listed_server && !printed_server) { char sockstr[ISC_SOCKADDR_FORMATSIZE]; printf("Using domain server:\n"); @@ -376,6 +404,7 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { sizeof(sockstr)); printf("Address: %s\n", sockstr); printf("Aliases: \n\n"); + printed_server = ISC_TRUE; } if (msg->rcode != 0) { @@ -389,10 +418,15 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { if (default_lookups && query->lookup->rdtype == dns_rdatatype_a) { char namestr[DNS_NAME_FORMATSIZE]; dig_lookup_t *lookup; + dns_fixedname_t fixed; + dns_name_t *name; /* Add AAAA and MX lookups. */ - - dns_name_format(query->lookup->name, namestr, sizeof(namestr)); + dns_fixedname_init(&fixed); + name = dns_fixedname_name(&fixed); + dns_name_copy(query->lookup->name, name, NULL); + chase_cnamechain(msg, name); + dns_name_format(name, namestr, sizeof(namestr)); lookup = clone_lookup(query->lookup, ISC_FALSE); if (lookup != NULL) { strncpy(lookup->textname, namestr, |
