1 /* referral.c - LDBM backend referral handler */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2004 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>.
21 #include <ac/string.h>
22 #include <ac/socket.h>
25 #include "back-ldbm.h"
32 struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
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 /* grab giant lock for reading */
46 ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
48 /* get entry with reader lock */
49 e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched );
51 if ( matched != NULL ) {
52 rs->sr_matched = ch_strdup( matched->e_dn );
55 LDAP_LOG( BACK_LDBM, DETAIL1,
56 "ldbm_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
57 op->o_tag, op->o_req_dn.bv_val, rs->sr_matched );
59 Debug( LDAP_DEBUG_TRACE,
60 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
61 op->o_tag, op->o_req_dn.bv_val, rs->sr_matched );
64 if( is_entry_referral( matched ) ) {
65 rs->sr_err = LDAP_OTHER;
66 rs->sr_ref = get_entry_referrals( op, matched );
69 cache_return_entry_r( &li->li_cache, matched );
71 } else if ( default_referral != NULL ) {
72 rs->sr_err = LDAP_OTHER;
73 rs->sr_ref = referral_rewrite( default_referral,
74 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
77 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
79 if( rs->sr_ref != NULL ) {
81 rs->sr_err = LDAP_REFERRAL;
82 send_ldap_result( op, rs );
83 ber_bvarray_free( rs->sr_ref );
85 } else if ( rs->sr_err != LDAP_SUCCESS ) {
86 rs->sr_text = rs->sr_matched ? "bad referral object" : "bad default referral";
87 send_ldap_result( op, rs );
90 if ( rs->sr_matched ) free( (char *)rs->sr_matched );
92 rs->sr_matched = NULL;
96 if ( is_entry_referral( e ) ) {
97 /* entry is a referral */
98 BerVarray refs = get_entry_referrals( op, e );
99 rs->sr_ref = referral_rewrite(
100 refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
103 LDAP_LOG( BACK_LDBM, DETAIL1,
104 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
105 op->o_tag, op->o_req_dn.bv_val, e->e_dn );
107 Debug( LDAP_DEBUG_TRACE,
108 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
109 op->o_tag, op->o_req_dn.bv_val, e->e_dn );
112 rs->sr_matched = e->e_name.bv_val;
113 if( rs->sr_ref != NULL ) {
114 rs->sr_err = LDAP_REFERRAL;
115 send_ldap_result( op, rs );
117 ber_bvarray_free( rs->sr_ref );
120 send_ldap_error( op, rs, LDAP_OTHER,
121 "bad referral object" );
124 if( refs != NULL ) ber_bvarray_free( refs );
126 rs->sr_matched = NULL;
129 cache_return_entry_r( &li->li_cache, e );
130 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);