From ee571c54a4b1970fa6fa93baee8c3416fe783de8 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Wed, 11 Dec 2002 16:36:36 +0000
Subject: [PATCH] Must use reentrant gethostbyaddr for reverse lookups. Other
threads may be doing lookups too (e.g., SASL/GSSAPI)
---
servers/slapd/daemon.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c
index 94c002d142..68d845b8f0 100644
--- a/servers/slapd/daemon.c
+++ b/servers/slapd/daemon.c
@@ -1612,19 +1612,25 @@ slapd_daemon_task(
) {
#ifdef SLAPD_RLOOKUPS
if ( use_reverse_lookup ) {
+ struct hostent he;
+ int herr;
+ char *ha = NULL;
+ hp = NULL;
# ifdef LDAP_PF_INET6
if ( from.sa_addr.sa_family == AF_INET6 )
- hp = gethostbyaddr(
+ ldap_pvt_gethostbyaddr_a(
(char *)&(from.sa_in6_addr.sin6_addr),
sizeof(from.sa_in6_addr.sin6_addr),
- AF_INET6 );
+ AF_INET6, &he, &ha,
+ &hp, &herr );
else
# endif /* LDAP_PF_INET6 */
- hp = gethostbyaddr(
+ ldap_pvt_gethostbyaddr_a(
(char *) &(from.sa_in_addr.sin_addr),
sizeof(from.sa_in_addr.sin_addr),
- AF_INET );
+ AF_INET, &he, &ha, &hp, &herr );
dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
+ if (ha) ldap_memfree( ha );
}
#else
dnsname = NULL;
--
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