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 /* XXYYZ: need to check return value */
43 LOCK_ID ( bdb->bi_dbenv, &locker );
47 rc = bdb_dn2entry_r( be, NULL, ndn, &e, &matched, 0, locker, &lock );
56 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
58 if (matched != NULL) {
59 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
61 send_ldap_result( conn, op, LDAP_BUSY,
62 NULL, "ldap server busy", NULL, NULL );
63 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
65 case DB_LOCK_DEADLOCK:
66 case DB_LOCK_NOTGRANTED:
70 LDAP_LOG ( OPERATION, ERR,
71 "bdb_referrals: dn2entry failed: %s (%d)\n",
72 db_strerror(rc), rc, 0 );
74 Debug( LDAP_DEBUG_TRACE,
75 "bdb_referrals: dn2entry failed: %s (%d)\n",
76 db_strerror(rc), rc, 0 );
79 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
81 if (matched != NULL) {
82 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
84 send_ldap_result( conn, op, rc=LDAP_OTHER,
85 NULL, "internal error", NULL, NULL );
86 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
91 char *matched_dn = NULL;
92 BerVarray refs = NULL;
94 if ( matched != NULL ) {
95 matched_dn = ch_strdup( matched->e_dn );
98 LDAP_LOG ( OPERATION, DETAIL1,
99 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
100 (long) op->o_tag, dn->bv_val, matched_dn );
102 Debug( LDAP_DEBUG_TRACE,
103 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
104 (long) op->o_tag, dn->bv_val, matched_dn );
107 if( is_entry_referral( matched ) ) {
109 refs = get_entry_referrals( be, conn, op, matched );
112 bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
114 } else if ( default_referral != NULL ) {
116 refs = referral_rewrite( default_referral,
117 NULL, dn, LDAP_SCOPE_DEFAULT );
122 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
123 matched_dn, NULL, refs, NULL );
124 ber_bvarray_free( refs );
125 } else if ( rc != LDAP_SUCCESS ) {
126 send_ldap_result( conn, op, rc, matched_dn,
127 matched_dn ? "bad referral object" : NULL,
131 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
136 if ( is_entry_referral( e ) ) {
137 /* entry is a referral */
138 BerVarray refs = get_entry_referrals( be, conn, op, e );
139 BerVarray rrefs = referral_rewrite(
140 refs, &e->e_name, dn, LDAP_SCOPE_DEFAULT );
143 LDAP_LOG ( OPERATION, DETAIL1,
144 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
145 (long) op->o_tag, dn->bv_val, e->e_dn );
147 Debug( LDAP_DEBUG_TRACE,
148 "bdb_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
149 (long) op->o_tag, dn->bv_val, e->e_dn );
152 if( rrefs != NULL ) {
153 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
154 e->e_dn, NULL, rrefs, NULL );
155 ber_bvarray_free( rrefs );
157 send_ldap_result( conn, op, rc = LDAP_OTHER, e->e_dn,
158 "bad referral object", NULL, NULL );
161 ber_bvarray_free( refs );
164 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
165 LOCK_ID_FREE ( bdb->bi_dbenv, locker );