X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fdnssrv.c;h=c7a22401a248cee47698dd11a52359525ad43c22;hb=3d39ff68a94e4455074707d763138f01aaa1c5b1;hp=0baaf875ad04a7e585da91f9089f10019150a4dd;hpb=3c598e89fb34a892d369a138daa8c3314294493c;p=openldap

diff --git a/libraries/libldap/dnssrv.c b/libraries/libldap/dnssrv.c
index 0baaf875ad..c7a22401a2 100644
--- a/libraries/libldap/dnssrv.c
+++ b/libraries/libldap/dnssrv.c
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2007 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -46,7 +46,7 @@ int ldap_dn2domain(
 	LDAPDN dn = NULL;
 	LDAPRDN rdn = NULL;
 	LDAPAVA *ava = NULL;
-	struct berval domain = { 0, NULL };
+	struct berval domain = BER_BVNULL;
 	static const struct berval DC = BER_BVC("DC");
 	static const struct berval DCOID = BER_BVC("0.9.2342.19200300.100.1.25");
 
@@ -69,7 +69,7 @@ int ldap_dn2domain(
 				(ava->la_flags & LDAP_AVA_STRING) &&
 				ava->la_value.bv_len &&
 				( ber_bvstrcasecmp( &ava->la_attr, &DC ) == 0
-				|| ber_bvstrcasecmp( &ava->la_attr, &DCOID ) == 0 ) )
+				|| ber_bvcmp( &ava->la_attr, &DCOID ) == 0 ) )
 			{
 				if( domain.bv_len == 0 ) {
 					ndomain = LDAP_REALLOC( domain.bv_val,
@@ -210,11 +210,15 @@ int ldap_domain2hostlist(
 #ifdef NS_HFIXEDSZ
 	/* Bind 8/9 interface */
     len = res_query(request, ns_c_in, ns_t_srv, reply, sizeof(reply));
+#	ifndef T_SRV
+#		define T_SRV ns_t_srv
+#	endif
 #else
 	/* Bind 4 interface */
 #	ifndef T_SRV
 #		define T_SRV 33
 #	endif
+
     len = res_query(request, C_IN, T_SRV, reply, sizeof(reply));
 #endif
     if (len >= 0) {
@@ -226,13 +230,18 @@ int ldap_domain2hostlist(
 
 	/* Parse out query */
 	p = reply;
+
 #ifdef NS_HFIXEDSZ
 	/* Bind 8/9 interface */
 	p += NS_HFIXEDSZ;
-#else
-	/* Bind 4 interface */
+#elif defined(HFIXEDSZ)
+	/* Bind 4 interface w/ HFIXEDSZ */
 	p += HFIXEDSZ;
+#else
+	/* Bind 4 interface w/o HFIXEDSZ */
+	p += sizeof(HEADER);
 #endif
+
 	status = dn_expand(reply, reply + len, p, host, sizeof(host));
 	if (status < 0) {
 	    goto out;
@@ -266,8 +275,12 @@ int ldap_domain2hostlist(
 		/* weight = (p[2] << 8) | p[3]; */
 		port = (p[4] << 8) | p[5];
 
-		buflen = strlen(host) + sizeof(":65355 ");
-		hostlist = (char *) LDAP_REALLOC(hostlist, cur + buflen);
+		if ( port == 0 || host[ 0 ] == '\0' ) {
+		    goto add_size;
+		}
+
+		buflen = strlen(host) + STRLENOF(":65355 ");
+		hostlist = (char *) LDAP_REALLOC(hostlist, cur + buflen + 1);
 		if (hostlist == NULL) {
 		    rc = LDAP_NO_MEMORY;
 		    goto out;
@@ -278,6 +291,7 @@ int ldap_domain2hostlist(
 		}
 		cur += sprintf(&hostlist[cur], "%s:%hd", host, port);
 	    }
+add_size:;
 	    p += size;
 	}
     }