/* bind.c - bdb backend bind routine */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2007 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <ac/unistd.h>
#include "back-bdb.h"
-#include "external.h"
int
-bdb_bind(
- Backend *be,
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- int method,
- struct berval *cred,
- struct berval *edn
-)
+bdb_bind( Operation *op, SlapReply *rs )
{
- struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+ struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
Entry *e;
Attribute *a;
- int rc;
- Entry *matched;
+ EntryInfo *ei;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
char krbname[MAX_K_NAME_SZ + 1];
AttributeDescription *krbattr = slap_schema.si_ad_krbName;
+ struct berval krbval;
AUTH_DAT ad;
#endif
u_int32_t locker;
DB_LOCK lock;
-#ifdef NEW_LOGGING
- LDAP_LOG (( "bind", LDAP_LEVEL_ARGS, "==> bdb_bind: dn: %s\n", dn->bv_val ));
-#else
- Debug( LDAP_DEBUG_ARGS, "==> bdb_bind: dn: %s\n", dn->bv_val, 0, 0);
-#endif
+ Debug( LDAP_DEBUG_ARGS,
+ "==> " LDAP_XSTRING(bdb_bind) ": dn: %s\n",
+ op->o_req_dn.bv_val, 0, 0);
+
+ /* allow noauth binds */
+ if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op )) {
+ ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
+ /* front end will send result */
+ return LDAP_SUCCESS;
+ }
- LOCK_ID(bdb->bi_dbenv, &locker);
+ rs->sr_err = LOCK_ID(bdb->bi_dbenv, &locker);
+ switch(rs->sr_err) {
+ case 0:
+ break;
+ default:
+ rs->sr_text = "internal error";
+ send_ldap_result( op, rs );
+ return rs->sr_err;
+ }
dn2entry_retry:
- /* get entry */
- rc = bdb_dn2entry_r( be, NULL, ndn, &e, &matched, 0, locker, &lock );
+ /* get entry with reader lock */
+ rs->sr_err = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1,
+ locker, &lock );
- switch(rc) {
+ switch(rs->sr_err) {
case DB_NOTFOUND:
case 0:
break;
case LDAP_BUSY:
- send_ldap_result( conn, op, LDAP_BUSY,
- NULL, "ldap server busy", NULL, NULL );
+ send_ldap_error( op, rs, LDAP_BUSY, "ldap_server_busy" );
LOCK_ID_FREE(bdb->bi_dbenv, locker);
return LDAP_BUSY;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto dn2entry_retry;
default:
- send_ldap_result( conn, op, rc=LDAP_OTHER,
- NULL, "internal error", NULL, NULL );
+ send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
LOCK_ID_FREE(bdb->bi_dbenv, locker);
- return rc;
+ return rs->sr_err;
}
- /* get entry with reader lock */
- if ( e == NULL ) {
- char *matched_dn = NULL;
- BerVarray refs;
-
- if( matched != NULL ) {
- matched_dn = ch_strdup( matched->e_dn );
-
- refs = is_entry_referral( matched )
- ? get_entry_referrals( be, conn, op, matched )
- : NULL;
-
- bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, matched, &lock );
- matched = NULL;
-
- } else {
- refs = referral_rewrite( default_referral,
- NULL, dn, LDAP_SCOPE_DEFAULT );
+ e = ei->bei_e;
+ if ( rs->sr_err == DB_NOTFOUND ) {
+ if( e != NULL ) {
+ bdb_cache_return_entry_r( bdb->bi_dbenv,
+ &bdb->bi_cache, e, &lock );
+ e = NULL;
}
- /* allow noauth binds */
- rc = 1;
- if ( method == LDAP_AUTH_SIMPLE ) {
- if ( be_isroot_pw( be, conn, ndn, cred ) ) {
- ber_dupbv( edn, be_root_dn( be ) );
- rc = LDAP_SUCCESS; /* front end will send result */
-
- } else if ( refs != NULL ) {
- send_ldap_result( conn, op, rc = LDAP_REFERRAL,
- matched_dn, NULL, refs, NULL );
-
- } else {
- send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
- }
-
- } else if ( refs != NULL ) {
- send_ldap_result( conn, op, rc = LDAP_REFERRAL,
- matched_dn, NULL, refs, NULL );
-
- } else {
- send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
- }
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
+ send_ldap_result( op, rs );
LOCK_ID_FREE(bdb->bi_dbenv, locker);
- ber_bvarray_free( refs );
- free( matched_dn );
-
- return rc;
+ return rs->sr_err;
}
- ber_dupbv( edn, &e->e_name );
+ ber_dupbv( &op->oq_bind.rb_edn, &e->e_name );
/* check for deleted */
-#ifdef BDB_SUBENTRIES
if ( is_entry_subentry( e ) ) {
/* entry is an subentry, don't allow bind */
-#ifdef NEW_LOGGING
- LDAP_LOG (( "bind", LDAP_LEVEL_DETAIL1, "bdb_bind: entry is subentry\n" ));
-#else
Debug( LDAP_DEBUG_TRACE, "entry is subentry\n", 0,
0, 0 );
-#endif
-
- send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
-
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
-#endif
-#ifdef BDB_ALIASES
if ( is_entry_alias( e ) ) {
/* entry is an alias, don't allow bind */
-#ifdef NEW_LOGGING
- LDAP_LOG (( "bind", LDAP_LEVEL_DETAIL1, "bdb_bind: entry is alias\n" ));
-#else
- Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
- 0, 0 );
-#endif
-
- send_ldap_result( conn, op, rc = LDAP_ALIAS_PROBLEM,
- NULL, "entry is alias", NULL, NULL );
-
+ Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
-#endif
if ( is_entry_referral( e ) ) {
- /* entry is a referral, don't allow bind */
- BerVarray refs = get_entry_referrals( be,
- conn, op, e );
-
-#ifdef NEW_LOGGING
- LDAP_LOG (( "bind", LDAP_LEVEL_DETAIL1, "bdb_bind: entry is referral\n" ));
-#else
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
0, 0 );
-#endif
-
- if( refs != NULL ) {
- send_ldap_result( conn, op, rc = LDAP_REFERRAL,
- e->e_dn, NULL, refs, NULL );
-
- } else {
- send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
- }
-
- ber_bvarray_free( refs );
-
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
- switch ( method ) {
+ switch ( op->oq_bind.rb_method ) {
case LDAP_AUTH_SIMPLE:
- /* check for root dn/passwd */
- if ( be_isroot_pw( be, conn, ndn, cred ) ) {
- /* front end will send result */
- if(edn->bv_val != NULL) free( edn->bv_val );
- ber_dupbv( edn, be_root_dn( be ) );
- rc = LDAP_SUCCESS;
+ a = attr_find( e->e_attrs, password );
+ if ( a == NULL ) {
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
- if ( ! access_allowed( be, conn, op, e,
- password, NULL, ACL_AUTH, NULL ) )
+ if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred,
+ &rs->sr_text ) != 0 )
{
- send_ldap_result( conn, op, rc = LDAP_INSUFFICIENT_ACCESS,
- NULL, NULL, NULL, NULL );
- goto done;
- }
-
- if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
- send_ldap_result( conn, op, rc = LDAP_INAPPROPRIATE_AUTH,
- NULL, NULL, NULL, NULL );
+ /* failure; stop front end from sending result */
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
-
- if ( slap_passwd_check( conn, a, cred ) != 0 ) {
- send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
- goto done;
- }
-
- rc = 0;
+
+ rs->sr_err = 0;
break;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
case LDAP_AUTH_KRBV41:
- if ( krbv4_ldap_auth( be, cred, &ad ) != LDAP_SUCCESS ) {
- send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
+ if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad )
+ != LDAP_SUCCESS )
+ {
+ rs->sr_err = LDAP_INVALID_CREDENTIALS,
goto done;
}
- if ( ! access_allowed( be, conn, op, e,
- krbattr, NULL, ACL_AUTH, NULL ) )
- {
- send_ldap_result( conn, op, rc = LDAP_INSUFFICIENT_ACCESS,
- NULL, NULL, NULL, NULL );
+ rs->sr_err = access_allowed( op, e,
+ krbattr, NULL, ACL_AUTH, NULL );
+ if ( ! rs->sr_err ) {
+ rs->sr_err = LDAP_INSUFFICIENT_ACCESS,
goto done;
}
- sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "."
- : "", ad.pinst, ad.prealm );
+ krbval.bv_len = sprintf( krbname, "%s%s%s@%s", ad.pname,
+ *ad.pinst ? "." : "", ad.pinst, ad.prealm );
if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
/*
* no krbname values present: check against DN
*/
- if ( strcasecmp( dn, krbname ) == 0 ) {
- rc = 0;
+ if ( strcasecmp( op->o_req_dn.bv_val, krbname ) == 0 ) {
+ rs->sr_err = 0;
break;
}
- send_ldap_result( conn, op, rc = LDAP_INAPPROPRIATE_AUTH,
- NULL, NULL, NULL, NULL );
+ rs->sr_err = LDAP_INAPPROPRIATE_AUTH,
goto done;
} else { /* look for krbname match */
- struct berval krbval;
-
krbval.bv_val = krbname;
- krbval.bv_len = strlen( krbname );
if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) {
- send_ldap_result( conn, op,
- rc = LDAP_INVALID_CREDENTIALS,
- NULL, NULL, NULL, NULL );
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
}
- rc = 0;
+ rs->sr_err = 0;
break;
-
- case LDAP_AUTH_KRBV42:
- send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
- NULL, "Kerberos bind step 2 not supported",
- NULL, NULL );
- goto done;
#endif
default:
- send_ldap_result( conn, op, rc = LDAP_STRONG_AUTH_NOT_SUPPORTED,
- NULL, "authentication method not supported", NULL, NULL );
- goto done;
+ assert( 0 ); /* should not be unreachable */
+ rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
+ rs->sr_text = "authentication method not supported";
}
done:
LOCK_ID_FREE(bdb->bi_dbenv, locker);
- /* front end with send result on success (rc==0) */
- return rc;
+ if ( rs->sr_err ) {
+ send_ldap_result( op, rs );
+ if ( rs->sr_ref ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+ }
+ /* front end will send result on success (rs->sr_err==0) */
+ return rs->sr_err;
}
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