1 /* bind.c - bdb backend bind routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2007 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>.
20 #include <ac/string.h>
21 #include <ac/unistd.h>
26 bdb_bind( Operation *op, SlapReply *rs )
28 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
33 AttributeDescription *password = slap_schema.si_ad_userPassword;
38 Debug( LDAP_DEBUG_ARGS,
39 "==> " LDAP_XSTRING(bdb_bind) ": dn: %s\n",
40 op->o_req_dn.bv_val, 0, 0);
43 /* allow noauth binds */
44 switch ( be_rootdn_bind( op, rs ) ) {
45 case SLAP_CB_CONTINUE:
49 /* in case of success, frontend will send result;
50 * otherwise, be_rootdn_bind() did */
54 #else /* traditional */
55 /* allow noauth binds */
56 switch ( be_rootdn_bind( op, NULL ) ) {
58 /* frontend will send result */
62 /* give the database a chanche */
65 #endif /* traditional */
67 rs->sr_err = LOCK_ID(bdb->bi_dbenv, &locker);
72 rs->sr_text = "internal error";
73 send_ldap_result( op, rs );
78 /* get entry with reader lock */
79 rs->sr_err = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1,
87 send_ldap_error( op, rs, LDAP_BUSY, "ldap_server_busy" );
88 LOCK_ID_FREE(bdb->bi_dbenv, locker);
90 case DB_LOCK_DEADLOCK:
91 case DB_LOCK_NOTGRANTED:
94 send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
95 LOCK_ID_FREE(bdb->bi_dbenv, locker);
100 if ( rs->sr_err == DB_NOTFOUND ) {
102 bdb_cache_return_entry_r( bdb, e, &lock );
106 rs->sr_err = LDAP_INVALID_CREDENTIALS;
107 send_ldap_result( op, rs );
109 LOCK_ID_FREE(bdb->bi_dbenv, locker);
114 ber_dupbv( &op->oq_bind.rb_edn, &e->e_name );
116 /* check for deleted */
117 if ( is_entry_subentry( e ) ) {
118 /* entry is an subentry, don't allow bind */
119 Debug( LDAP_DEBUG_TRACE, "entry is subentry\n", 0,
121 rs->sr_err = LDAP_INVALID_CREDENTIALS;
125 if ( is_entry_alias( e ) ) {
126 /* entry is an alias, don't allow bind */
127 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
128 rs->sr_err = LDAP_INVALID_CREDENTIALS;
132 if ( is_entry_referral( e ) ) {
133 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
135 rs->sr_err = LDAP_INVALID_CREDENTIALS;
139 switch ( op->oq_bind.rb_method ) {
140 case LDAP_AUTH_SIMPLE:
141 a = attr_find( e->e_attrs, password );
143 rs->sr_err = LDAP_INVALID_CREDENTIALS;
147 if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred,
148 &rs->sr_text ) != 0 )
150 /* failure; stop front end from sending result */
151 rs->sr_err = LDAP_INVALID_CREDENTIALS;
159 assert( 0 ); /* should not be reachable */
160 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
161 rs->sr_text = "authentication method not supported";
165 /* free entry and reader lock */
167 bdb_cache_return_entry_r( bdb, e, &lock );
170 LOCK_ID_FREE(bdb->bi_dbenv, locker);
173 send_ldap_result( op, rs );
175 ber_bvarray_free( rs->sr_ref );
179 /* front end will send result on success (rs->sr_err==0) */