3 * Copyright 1999-2000 The OpenLDAP Foundation.
6 * Redistribution and use in source and binary forms are permitted only
7 * as authorized by the OpenLDAP Public License. A copy of this
8 * license is available at http://www.OpenLDAP.org/license.html or
9 * in file LICENSE in the top-level directory of the distribution.
15 #include <ac/socket.h>
28 struct berval * reqdata,
30 struct berval ** rspdata,
31 LDAPControl ***rspctrls,
33 struct berval *** refs )
38 if ( reqdata != NULL ) {
39 /* no request data should be provided */
40 *text = "no request data expected";
41 return LDAP_PROTOCOL_ERROR;
44 /* acquire connection lock */
45 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
47 /* can't start TLS if it is already started */
48 if (conn->c_is_tls != 0) {
49 *text = "TLS already started";
50 rc = LDAP_OPERATIONS_ERROR;
54 /* can't start TLS if there are other op's around */
55 if (( conn->c_ops != NULL &&
56 (conn->c_ops != op || op->o_next != NULL)) ||
57 ( conn->c_pending_ops != NULL))
59 *text = "cannot start TLS when operations our outstanding";
60 rc = LDAP_OPERATIONS_ERROR;
64 if ( !( global_disallows & SLAP_DISALLOW_TLS_2_ANON ) &&
65 ( conn->c_dn.bv_len != 0 ) )
67 /* force to anonymous */
68 connection2anonymous( conn );
71 if ( ( global_disallows & SLAP_DISALLOW_TLS_AUTHC ) &&
72 ( conn->c_dn.bv_len != 0 ) )
74 *text = "cannot start TLS after authentication";
75 rc = LDAP_OPERATIONS_ERROR;
79 /* fail if TLS could not be initialized */
80 if (ldap_pvt_tls_get_option( NULL, LDAP_OPT_X_TLS_CTX, &ctx ) != 0
83 if (default_referral != NULL) {
84 /* caller will put the referral in the result */
89 *text = "Could not initialize TLS";
90 rc = LDAP_UNAVAILABLE;
95 conn->c_needs_tls_accept = 1;
100 /* give up connection lock */
101 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
104 * RACE CONDITION: we give up lock before sending result
105 * Should be resolved by reworking connection state, not
106 * by moving send here (so as to ensure proper TLS sequencing)
112 #endif /* HAVE_TLS */