1 /* referral.c - BDB backend referral handler */
4 * Copyright 2000-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
10 #include <ac/string.h>
24 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
25 int rc = LDAP_SUCCESS;
27 Entry *matched = NULL;
32 if( op->o_tag == LDAP_REQ_SEARCH ) {
33 /* let search take care of itself */
37 if( get_manageDSAit( op ) ) {
38 /* let op take care of DSA management */
42 rc = LOCK_ID(bdb->bi_dbenv, &locker);
52 rc = bdb_dn2entry_r( be, NULL, ndn, &e, &matched, 0, locker, &lock );
61 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
63 if (matched != NULL) {
64 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
66 send_ldap_result( conn, op, LDAP_BUSY,
67 NULL, "ldap server busy", NULL, NULL );
68 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
70 case DB_LOCK_DEADLOCK:
71 case DB_LOCK_NOTGRANTED:
75 LDAP_LOG ( OPERATION, ERR,
76 "bdb_referrals: dn2entry failed: %s (%d)\n",
77 db_strerror(rc), rc, 0 );
79 Debug( LDAP_DEBUG_TRACE,
80 "bdb_referrals: dn2entry failed: %s (%d)\n",
81 db_strerror(rc), rc, 0 );
84 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
86 if (matched != NULL) {
87 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
89 send_ldap_result( conn, op, rc=LDAP_OTHER,
90 NULL, "internal error", NULL, NULL );
91 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
96 char *matched_dn = NULL;
97 BerVarray refs = NULL;
99 if ( matched != NULL ) {
100 matched_dn = ch_strdup( matched->e_dn );
103 LDAP_LOG ( OPERATION, DETAIL1,
104 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
105 (long) op->o_tag, dn->bv_val, matched_dn );
107 Debug( LDAP_DEBUG_TRACE,
108 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
109 (long) op->o_tag, dn->bv_val, matched_dn );
112 if( is_entry_referral( matched ) ) {
114 refs = get_entry_referrals( be, conn, op, matched );
117 bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
119 } else if ( default_referral != NULL ) {
121 refs = referral_rewrite( default_referral,
122 NULL, dn, LDAP_SCOPE_DEFAULT );
127 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
128 matched_dn, NULL, refs, NULL );
129 ber_bvarray_free( refs );
130 } else if ( rc != LDAP_SUCCESS ) {
131 send_ldap_result( conn, op, rc, matched_dn,
132 matched_dn ? "bad referral object" : NULL,
136 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
141 if ( is_entry_referral( e ) ) {
142 /* entry is a referral */
143 BerVarray refs = get_entry_referrals( be, conn, op, e );
144 BerVarray rrefs = referral_rewrite(
145 refs, &e->e_name, dn, LDAP_SCOPE_DEFAULT );
148 LDAP_LOG ( OPERATION, DETAIL1,
149 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
150 (long) op->o_tag, dn->bv_val, e->e_dn );
152 Debug( LDAP_DEBUG_TRACE,
153 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
154 (long) op->o_tag, dn->bv_val, e->e_dn );
157 if( rrefs != NULL ) {
158 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
159 e->e_dn, NULL, rrefs, NULL );
160 ber_bvarray_free( rrefs );
162 send_ldap_result( conn, op, rc = LDAP_OTHER, e->e_dn,
163 "bad referral object", NULL, NULL );
166 ber_bvarray_free( refs );
169 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
170 LOCK_ID_FREE ( bdb->bi_dbenv, locker );