1 /* referral.c - LDBM backend referral handler */
4 * Copyright 2000-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/string.h>
13 #include <ac/socket.h>
16 #include "back-ldbm.h"
23 struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
26 if( op->o_tag == LDAP_REQ_SEARCH ) {
27 /* let search take care of itself */
31 if( get_manageDSAit( op ) ) {
32 /* let op take care of DSA management */
36 /* grab giant lock for reading */
37 ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
39 /* get entry with reader lock */
40 e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched );
42 if ( matched != NULL ) {
43 rs->sr_matched = ch_strdup( matched->e_dn );
46 LDAP_LOG( BACK_LDBM, DETAIL1,
47 "ldbm_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
48 op->o_tag, op->o_req_dn.bv_val, rs->sr_matched );
50 Debug( LDAP_DEBUG_TRACE,
51 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
52 op->o_tag, op->o_req_dn.bv_val, rs->sr_matched );
55 if( is_entry_referral( matched ) ) {
56 rs->sr_err = LDAP_OTHER;
57 rs->sr_ref = get_entry_referrals( op, matched );
60 cache_return_entry_r( &li->li_cache, matched );
62 } else if ( default_referral != NULL ) {
63 rs->sr_err = LDAP_OTHER;
64 rs->sr_ref = referral_rewrite( default_referral,
65 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
68 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
70 if( rs->sr_ref != NULL ) {
72 rs->sr_err = LDAP_REFERRAL;
73 send_ldap_result( op, rs );
74 ber_bvarray_free( rs->sr_ref );
76 } else if ( rs->sr_err != LDAP_SUCCESS ) {
77 rs->sr_text = rs->sr_matched ? "bad referral object" : "bad default referral";
78 send_ldap_result( op, rs );
81 if ( rs->sr_matched ) free( (char *)rs->sr_matched );
83 rs->sr_matched = NULL;
87 if ( is_entry_referral( e ) ) {
88 /* entry is a referral */
89 BerVarray refs = get_entry_referrals( op, e );
90 rs->sr_ref = referral_rewrite(
91 refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
94 LDAP_LOG( BACK_LDBM, DETAIL1,
95 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
96 op->o_tag, op->o_req_dn.bv_val, e->e_dn );
98 Debug( LDAP_DEBUG_TRACE,
99 "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
100 op->o_tag, op->o_req_dn.bv_val, e->e_dn );
103 rs->sr_matched = e->e_name.bv_val;
104 if( rs->sr_ref != NULL ) {
105 rs->sr_err = LDAP_REFERRAL;
106 send_ldap_result( op, rs );
108 ber_bvarray_free( rs->sr_ref );
111 send_ldap_error( op, rs, LDAP_OTHER,
112 "bad referral object" );
115 if( refs != NULL ) ber_bvarray_free( refs );
117 rs->sr_matched = NULL;
120 cache_return_entry_r( &li->li_cache, e );
121 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);