/* $OpenLDAP$ */
-/*
- * Copyright 1999 The OpenLDAP Foundation.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
* All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License. A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * 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"
#ifdef HAVE_TLS
int
-starttls_extop (
- SLAP_EXTOP_CALLBACK_FN cb,
- Connection *conn,
- Operation *op,
- char * reqoid,
- struct berval * reqdata,
- char ** rspoid,
- struct berval ** rspdata,
- LDAPControl ***rspctrls,
- char ** text,
- struct berval *** refs )
+starttls_extop ( Operation *op, SlapReply *rs )
{
void *ctx;
int rc;
- if ( reqdata != NULL ) {
+ if ( op->ore_reqdata != NULL ) {
/* no request data should be provided */
- *text = "no request data expected";
+ rs->sr_text = "no request data expected";
return LDAP_PROTOCOL_ERROR;
}
/* acquire connection lock */
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
/* can't start TLS if it is already started */
- if (conn->c_is_tls != 0) {
- *text = "TLS already started";
+ if (op->o_conn->c_is_tls != 0) {
+ rs->sr_text = "TLS already started";
rc = LDAP_OPERATIONS_ERROR;
goto done;
}
- /* fail if TLS could not be initialized */
- if (ldap_pvt_tls_get_option(NULL, LDAP_OPT_X_TLS_CERT, &ctx) != 0
- || ctx == NULL)
+ /* can't start TLS if there are other op's around */
+ if (( !LDAP_STAILQ_EMPTY(&op->o_conn->c_ops) &&
+ (LDAP_STAILQ_FIRST(&op->o_conn->c_ops) != op ||
+ LDAP_STAILQ_NEXT(op, o_next) != NULL)) ||
+ ( !LDAP_STAILQ_EMPTY(&op->o_conn->c_pending_ops) ))
+ {
+ rs->sr_text = "cannot start TLS when operations are outstanding";
+ rc = LDAP_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ if ( !( global_disallows & SLAP_DISALLOW_TLS_2_ANON ) &&
+ ( op->o_conn->c_dn.bv_len != 0 ) )
+ {
+ Statslog( LDAP_DEBUG_STATS,
+ "%s AUTHZ anonymous mech=starttls ssf=0\n",
+ op->o_log_prefix, 0, 0, 0, 0 );
+
+ /* force to anonymous */
+ connection2anonymous( op->o_conn );
+ }
+
+ if ( ( global_disallows & SLAP_DISALLOW_TLS_AUTHC ) &&
+ ( op->o_conn->c_dn.bv_len != 0 ) )
{
+ rs->sr_text = "cannot start TLS after authentication";
+ rc = LDAP_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ /* fail if TLS could not be initialized */
+ if ( slap_tls_ctx == NULL ) {
if (default_referral != NULL) {
/* caller will put the referral in the result */
rc = LDAP_REFERRAL;
goto done;
}
- *text = "Could not initialize TLS";
+ rs->sr_text = "Could not initialize TLS";
rc = LDAP_UNAVAILABLE;
goto done;
}
- /* can't start TLS if there are other op's around */
- if (( conn->c_ops != NULL &&
- (conn->c_ops != op || op->o_next != NULL)) ||
- ( conn->c_pending_ops != NULL))
- {
- *text = "cannot start TLS when operations our outstanding";
- rc = LDAP_OPERATIONS_ERROR;
- goto done;
- }
-
- conn->c_is_tls = 1;
- conn->c_needs_tls_accept = 1;
+ op->o_conn->c_is_tls = 1;
+ op->o_conn->c_needs_tls_accept = 1;
rc = LDAP_SUCCESS;
done:
/* give up connection lock */
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
- /*
- * RACE CONDITION: we give up lock before sending result
+ /* FIXME: RACE CONDITION! we give up lock before sending result
* Should be resolved by reworking connection state, not
* by moving send here (so as to ensure proper TLS sequencing)
*/