From 1cad5fd9b2a086b7d78df33ece8b454bb98b61bd Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Sun, 9 Aug 1998 02:56:52 +0000
Subject: [PATCH] LDAPworld P13: LDAPv2 client referrals bug

---
 libraries/libldap/request.c      | 21 ++++++++++++++++++++-
 servers/slapd/back-ldbm/search.c |  5 +++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/libraries/libldap/request.c b/libraries/libldap/request.c
index b8b50eac7b..5e44c47824 100644
--- a/libraries/libldap/request.c
+++ b/libraries/libldap/request.c
@@ -178,9 +178,11 @@ send_server_request( LDAP *ld, BerElement *ber, int msgid, LDAPRequest
 	*parentreq, LDAPServer *srvlist, LDAPConn *lc, int bind )
 {
 	LDAPRequest	*lr;
+	int incparent;
 
 	Debug( LDAP_DEBUG_TRACE, "send_server_request\n", 0, 0, 0 );
 
+	incparent = 0;
 	ld->ld_errno = LDAP_SUCCESS;	/* optimistic */
 
 	if ( lc == NULL ) {
@@ -189,6 +191,11 @@ send_server_request( LDAP *ld, BerElement *ber, int msgid, LDAPRequest
 		} else {
 			if (( lc = find_connection( ld, srvlist, 1 )) ==
 			    NULL ) {
+				if ( bind && (parentreq != NULL) ) {
+					/* Remember the bind in the parent */
+					incparent = 1;
+					++parentreq->lr_outrefcnt;
+				}
 				lc = new_connection( ld, &srvlist, 0, 1, bind );
 			}
 			free_servers( srvlist );
@@ -200,6 +207,10 @@ send_server_request( LDAP *ld, BerElement *ber, int msgid, LDAPRequest
 		if ( ld->ld_errno == LDAP_SUCCESS ) {
 			ld->ld_errno = LDAP_SERVER_DOWN;
 		}
+		if ( incparent ) {
+			/* Forget about the bind */
+			--parentreq->lr_outrefcnt; 
+		}
 		return( -1 );
 	}
 
@@ -209,6 +220,10 @@ send_server_request( LDAP *ld, BerElement *ber, int msgid, LDAPRequest
 		ld->ld_errno = LDAP_NO_MEMORY;
 		free_connection( ld, lc, 0, 0 );
 		ber_free( ber, 1 );
+		if ( incparent ) {
+			/* Forget about the bind */
+			--parentreq->lr_outrefcnt; 
+		}
 		return( -1 );
 	} 
 	lr->lr_msgid = msgid;
@@ -217,7 +232,10 @@ send_server_request( LDAP *ld, BerElement *ber, int msgid, LDAPRequest
 	lr->lr_ber = ber;
 	lr->lr_conn = lc;
 	if ( parentreq != NULL ) {	/* sub-request */
-		++parentreq->lr_outrefcnt;
+		if ( !incparent ) { 
+			/* Increment if we didn't do it before the bind */
+			++parentreq->lr_outrefcnt;
+		}
 		lr->lr_origid = parentreq->lr_origid;
 		lr->lr_parentcnt = parentreq->lr_parentcnt + 1;
 		lr->lr_parent = parentreq;
@@ -442,6 +460,7 @@ free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind )
 				}
 				break;
 			}
+			prevlc = tmplc;
 		}
 		free_servers( lc->lconn_server );
 		if ( lc->lconn_krbinstance != NULL ) {
diff --git a/servers/slapd/back-ldbm/search.c b/servers/slapd/back-ldbm/search.c
index 6a53be4f11..bad87b1f48 100644
--- a/servers/slapd/back-ldbm/search.c
+++ b/servers/slapd/back-ldbm/search.c
@@ -377,8 +377,9 @@ subtree_candidates(
 		f->f_or = (Filter *) ch_malloc( sizeof(Filter) );
 		f->f_or->f_choice = LDAP_FILTER_EQUALITY;
 		f->f_or->f_avtype = strdup( "objectclass" );
-		f->f_or->f_avvalue.bv_val = strdup( "referral" );
-		f->f_or->f_avvalue.bv_len = strlen( "referral" );
+		/* Patch to use normalized uppercase */
+		f->f_or->f_avvalue.bv_val = strdup( "REFERRAL" );
+		f->f_or->f_avvalue.bv_len = strlen( "REFERRAL" );
 		f->f_or->f_next = filter;
 		filter = f;
 
-- 
2.39.5