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2207. [port] Some implementations of getaddrinfo() fail to set

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ai_canonname correctly. [RT #17061]
This commit is contained in:
Mark Andrews 2007-08-06 01:06:49 +00:00
parent 567fd24a2c
commit f408773d47
2 changed files with 35 additions and 6 deletions
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2
CHANGES
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@ -1,3 +1,5 @@
2207. [port] Some implementations of getaddrinfo() fail to set
ai_canonname correctly. [RT #17061]
--- 9.5.0a6 released ---

39
bin/check/check-tool.c
View File

@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: check-tool.c,v 1.29 2007/06/18 23:47:16 tbox Exp $ */
/* $Id: check-tool.c,v 1.30 2007/08/06 01:06:49 marka Exp $ */
/*! \file */
@ -193,7 +193,16 @@ checkns(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner,
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
switch (result) {
case 0:
if (strcasecmp(ai->ai_canonname, namebuf) != 0 &&
/*
* Work around broken getaddrinfo() implementations that
* fail to set ai_canonname on first entry.
*/
cur = ai;
while (cur != NULL && cur->ai_canonname == NULL &&
cur->ai_next != NULL)
cur = cur->ai_next;
if (ai != NULL && cur->ai_canonname != NULL &&
strcasecmp(ai->ai_canonname, namebuf) != 0 &&
!logged(namebuf, ERR_IS_CNAME)) {
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/NS '%s' (out of zone) "
@ -348,7 +357,7 @@ checkns(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner,
static isc_boolean_t
checkmx(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner) {
#ifdef USE_GETADDRINFO
struct addrinfo hints, *ai;
struct addrinfo hints, *ai, *cur;
char namebuf[DNS_NAME_FORMATSIZE + 1];
char ownerbuf[DNS_NAME_FORMATSIZE];
int result;
@ -373,7 +382,16 @@ checkmx(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner) {
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
switch (result) {
case 0:
if (strcasecmp(ai->ai_canonname, namebuf) != 0) {
/*
* Work around broken getaddrinfo() implementations that
* fail to set ai_canonname on first entry.
*/
cur = ai;
while (cur != NULL && cur->ai_canonname == NULL &&
cur->ai_next != NULL)
cur = cur->ai_next;
if (cur != NULL && cur->ai_canonname != NULL &&
strcasecmp(cur->ai_canonname, namebuf) != 0) {
if ((zone_options & DNS_ZONEOPT_WARNMXCNAME) != 0)
level = ISC_LOG_WARNING;
if ((zone_options & DNS_ZONEOPT_IGNOREMXCNAME) == 0) {
@ -422,7 +440,7 @@ checkmx(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner) {
static isc_boolean_t
checksrv(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner) {
#ifdef USE_GETADDRINFO
struct addrinfo hints, *ai;
struct addrinfo hints, *ai, *cur;
char namebuf[DNS_NAME_FORMATSIZE + 1];
char ownerbuf[DNS_NAME_FORMATSIZE];
int result;
@ -447,7 +465,16 @@ checksrv(dns_zone_t *zone, dns_name_t *name, dns_name_t *owner) {
dns_name_format(name, namebuf, sizeof(namebuf) - 1);
switch (result) {
case 0:
if (strcasecmp(ai->ai_canonname, namebuf) != 0) {
/*
* Work around broken getaddrinfo() implementations that
* fail to set ai_canonname on first entry.
*/
cur = ai;
while (cur != NULL && cur->ai_canonname == NULL &&
cur->ai_next != NULL)
cur = cur->ai_next;
if (cur != NULL && cur->ai_canonname != NULL &&
strcasecmp(cur->ai_canonname, namebuf) != 0) {
if ((zone_options & DNS_ZONEOPT_WARNSRVCNAME) != 0)
level = ISC_LOG_WARNING;
if ((zone_options & DNS_ZONEOPT_IGNORESRVCNAME) == 0) {