1 /* referral.c - BDB backend referral handler */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2004 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
19 #include <ac/string.h>
25 bdb_referrals( Operation *op, SlapReply *rs )
27 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
30 int rc = LDAP_SUCCESS;
35 if( op->o_tag == LDAP_REQ_SEARCH ) {
36 /* let search take care of itself */
40 if( get_manageDSAit( op ) ) {
41 /* let op take care of DSA management */
45 rc = LOCK_ID(bdb->bi_dbenv, &locker);
55 rc = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1, locker, &lock );
63 send_ldap_error( op, rs, LDAP_BUSY, "ldap server busy" );
64 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
66 case DB_LOCK_DEADLOCK:
67 case DB_LOCK_NOTGRANTED:
71 LDAP_LOG ( OPERATION, ERR,
72 "bdb_referrals: dn2entry failed: %s (%d)\n",
73 db_strerror(rc), rc, 0 );
75 Debug( LDAP_DEBUG_TRACE,
76 "bdb_referrals: dn2entry failed: %s (%d)\n",
77 db_strerror(rc), rc, 0 );
79 send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
80 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
84 if ( rc == DB_NOTFOUND ) {
86 rs->sr_matched = NULL;
89 LDAP_LOG ( OPERATION, DETAIL1,
90 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
91 (long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
93 Debug( LDAP_DEBUG_TRACE,
94 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
95 (long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
98 if( is_entry_referral( e ) ) {
100 rs->sr_ref = get_entry_referrals( op, e );
102 rs->sr_matched = ber_strdup_x(
103 e->e_name.bv_val, op->o_tmpmemctx );
107 bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
109 } else if ( default_referral != NULL ) {
111 rs->sr_ref = referral_rewrite( default_referral,
112 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
115 if( rs->sr_ref != NULL ) {
117 rs->sr_err = LDAP_REFERRAL;
118 send_ldap_result( op, rs );
119 ber_bvarray_free( rs->sr_ref );
121 } else if ( rc != LDAP_SUCCESS ) {
123 rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
124 send_ldap_result( op, rs );
127 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
128 if (rs->sr_matched) {
129 op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
130 rs->sr_matched = NULL;
135 if ( is_entry_referral( e ) ) {
136 /* entry is a referral */
137 BerVarray refs = get_entry_referrals( op, e );
138 rs->sr_ref = referral_rewrite(
139 refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
142 LDAP_LOG ( OPERATION, DETAIL1,
143 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
144 (long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
146 Debug( LDAP_DEBUG_TRACE,
147 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
148 (long) op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
151 rs->sr_matched = e->e_name.bv_val;
152 if( rs->sr_ref != NULL ) {
153 rc = rs->sr_err = LDAP_REFERRAL;
154 send_ldap_result( op, rs );
155 ber_bvarray_free( rs->sr_ref );
158 send_ldap_error( op, rs, LDAP_OTHER, "bad referral object" );
162 rs->sr_matched = NULL;
163 ber_bvarray_free( refs );
166 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
167 LOCK_ID_FREE ( bdb->bi_dbenv, locker );