1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <gssapi/gssapi.h> 30 #include <stdlib.h> 31 #include <errno.h> 32 33 #include "mech_switch.h" 34 #include "cred.h" 35 36 OM_uint32 37 gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle) 38 { 39 struct _gss_cred *cred = (struct _gss_cred *) *cred_handle; 40 struct _gss_mechanism_cred *mc; 41 42 if (*cred_handle == GSS_C_NO_CREDENTIAL) 43 return (GSS_S_COMPLETE); 44 45 while (SLIST_FIRST(&cred->gc_mc)) { 46 mc = SLIST_FIRST(&cred->gc_mc); 47 SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link); 48 mc->gmc_mech->gm_release_cred(minor_status, &mc->gmc_cred); 49 free(mc); 50 } 51 free(cred); 52 53 *minor_status = 0; 54 *cred_handle = GSS_C_NO_CREDENTIAL; 55 return (GSS_S_COMPLETE); 56 } 57