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Must use reentrant gethostbyaddr for reverse lookups. Other threads may

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be doing lookups too (e.g., SASL/GSSAPI)
This commit is contained in:
Howard Chu 2002-12-11 16:36:36 +00:00
parent e42209dd77
commit ee571c54a4
1 changed files with 10 additions and 4 deletions
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14
servers/slapd/daemon.c
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@ -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;