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 LOCK_ID ( bdb->bi_dbenv, &locker );
46 rc = bdb_dn2entry_r( be, NULL, ndn, &e, &matched, 0, locker, &lock );
55 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
57 if (matched != NULL) {
58 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
60 send_ldap_result( conn, op, LDAP_BUSY,
61 NULL, "ldap server busy", NULL, NULL );
62 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
64 case DB_LOCK_DEADLOCK:
65 case DB_LOCK_NOTGRANTED:
69 LDAP_LOG ( OPERATION, ERR,
70 "bdb_referrals: dn2entry failed: %s (%d)\n",
71 db_strerror(rc), rc, 0 );
73 Debug( LDAP_DEBUG_TRACE,
74 "bdb_referrals: dn2entry failed: %s (%d)\n",
75 db_strerror(rc), rc, 0 );
78 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
80 if (matched != NULL) {
81 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
83 send_ldap_result( conn, op, rc=LDAP_OTHER,
84 NULL, "internal error", NULL, NULL );
85 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
90 char *matched_dn = NULL;
91 BerVarray refs = NULL;
93 if ( matched != NULL ) {
94 matched_dn = ch_strdup( matched->e_dn );
97 LDAP_LOG ( OPERATION, DETAIL1,
98 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
99 (long) op->o_tag, dn->bv_val, matched_dn );
101 Debug( LDAP_DEBUG_TRACE,
102 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
103 (long) op->o_tag, dn->bv_val, matched_dn );
106 if( is_entry_referral( matched ) ) {
108 refs = get_entry_referrals( be, conn, op, matched );
111 bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
113 } else if ( default_referral != NULL ) {
115 refs = referral_rewrite( default_referral,
116 NULL, dn, LDAP_SCOPE_DEFAULT );
121 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
122 matched_dn, NULL, refs, NULL );
123 ber_bvarray_free( refs );
124 } else if ( rc != LDAP_SUCCESS ) {
125 send_ldap_result( conn, op, rc, matched_dn,
126 matched_dn ? "bad referral object" : NULL,
130 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
135 if ( is_entry_referral( e ) ) {
136 /* entry is a referral */
137 BerVarray refs = get_entry_referrals( be, conn, op, e );
138 BerVarray rrefs = referral_rewrite(
139 refs, &e->e_name, dn, LDAP_SCOPE_DEFAULT );
142 LDAP_LOG ( OPERATION, DETAIL1,
143 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
144 (long) op->o_tag, dn->bv_val, e->e_dn );
146 Debug( LDAP_DEBUG_TRACE,
147 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
148 (long) op->o_tag, dn->bv_val, e->e_dn );
151 if( rrefs != NULL ) {
152 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
153 e->e_dn, NULL, rrefs, NULL );
154 ber_bvarray_free( rrefs );
156 send_ldap_result( conn, op, rc = LDAP_OTHER, e->e_dn,
157 "bad referral object", NULL, NULL );
160 ber_bvarray_free( refs );
163 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
164 LOCK_ID_FREE ( bdb->bi_dbenv, locker );