1 /* bind.c - bdb backend bind routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2004 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/unistd.h>
27 bdb_bind( Operation *op, SlapReply *rs )
29 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
33 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
34 char krbname[MAX_K_NAME_SZ + 1];
35 AttributeDescription *krbattr = slap_schema.si_ad_krbName;
40 AttributeDescription *password = slap_schema.si_ad_userPassword;
45 Debug( LDAP_DEBUG_ARGS,
46 "==> bdb_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
48 /* allow noauth binds */
49 if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op )) {
50 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
51 /* front end will send result */
55 rs->sr_err = LOCK_ID(bdb->bi_dbenv, &locker);
60 rs->sr_text = "internal error";
61 send_ldap_result( op, rs );
66 /* get entry with reader lock */
67 rs->sr_err = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1,
75 send_ldap_error( op, rs, LDAP_BUSY, "ldap_server_busy" );
76 LOCK_ID_FREE(bdb->bi_dbenv, locker);
78 case DB_LOCK_DEADLOCK:
79 case DB_LOCK_NOTGRANTED:
82 send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
83 LOCK_ID_FREE(bdb->bi_dbenv, locker);
88 if ( rs->sr_err == DB_NOTFOUND ) {
90 bdb_cache_return_entry_r( bdb->bi_dbenv,
91 &bdb->bi_cache, e, &lock );
95 rs->sr_err = LDAP_INVALID_CREDENTIALS;
96 send_ldap_result( op, rs );
98 LOCK_ID_FREE(bdb->bi_dbenv, locker);
103 ber_dupbv( &op->oq_bind.rb_edn, &e->e_name );
105 /* check for deleted */
106 #ifdef BDB_SUBENTRIES
107 if ( is_entry_subentry( e ) ) {
108 /* entry is an subentry, don't allow bind */
109 Debug( LDAP_DEBUG_TRACE, "entry is subentry\n", 0,
111 rs->sr_err = LDAP_INVALID_CREDENTIALS;
116 if ( is_entry_alias( e ) ) {
117 /* entry is an alias, don't allow bind */
118 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
119 rs->sr_err = LDAP_INVALID_CREDENTIALS;
123 if ( is_entry_referral( e ) ) {
124 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
126 rs->sr_err = LDAP_INVALID_CREDENTIALS;
130 switch ( op->oq_bind.rb_method ) {
131 case LDAP_AUTH_SIMPLE:
132 rs->sr_err = access_allowed( op, e,
133 password, NULL, ACL_AUTH, NULL );
134 if ( ! rs->sr_err ) {
135 rs->sr_err = LDAP_INVALID_CREDENTIALS;
139 if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
140 rs->sr_err = LDAP_INVALID_CREDENTIALS;
144 if ( slap_passwd_check( op->o_conn,
145 a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 )
147 rs->sr_err = LDAP_INVALID_CREDENTIALS;
154 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
155 case LDAP_AUTH_KRBV41:
156 if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad )
159 rs->sr_err = LDAP_INVALID_CREDENTIALS,
163 rs->sr_err = access_allowed( op, e,
164 krbattr, NULL, ACL_AUTH, NULL );
165 if ( ! rs->sr_err ) {
166 rs->sr_err = LDAP_INSUFFICIENT_ACCESS,
170 krbval.bv_len = sprintf( krbname, "%s%s%s@%s", ad.pname,
171 *ad.pinst ? "." : "", ad.pinst, ad.prealm );
173 if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
175 * no krbname values present: check against DN
177 if ( strcasecmp( op->o_req_dn.bv_val, krbname ) == 0 ) {
181 rs->sr_err = LDAP_INAPPROPRIATE_AUTH,
184 } else { /* look for krbname match */
185 krbval.bv_val = krbname;
187 if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) {
188 rs->sr_err = LDAP_INVALID_CREDENTIALS;
197 assert( 0 ); /* should not be unreachable */
198 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
199 rs->sr_text = "authentication method not supported";
203 /* free entry and reader lock */
205 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
208 LOCK_ID_FREE(bdb->bi_dbenv, locker);
211 send_ldap_result( op, rs );
213 ber_bvarray_free( rs->sr_ref );
217 /* front end will send result on success (rs->sr_err==0) */