1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2004, PADL Software Pty Ltd. 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 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * 3. Neither the name of PADL Software nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 /* $FreeBSD$ */ 35 /* RCSID("$Id: gss_set_cred_option.c 21126 2007-06-18 20:19:59Z lha $"); */ 36 37 #include <gssapi/gssapi.h> 38 #include <stdlib.h> 39 #include <errno.h> 40 41 #include "mech_switch.h" 42 #include "cred.h" 43 44 OM_uint32 45 gss_set_cred_option (OM_uint32 *minor_status, 46 gss_cred_id_t *cred_handle, 47 const gss_OID object, 48 const gss_buffer_t value) 49 { 50 struct _gss_cred *cred = (struct _gss_cred *) *cred_handle; 51 OM_uint32 major_status = GSS_S_COMPLETE; 52 struct _gss_mechanism_cred *mc; 53 int one_ok = 0; 54 55 *minor_status = 0; 56 57 _gss_load_mech(); 58 59 if (cred == NULL) { 60 struct _gss_mech_switch *m; 61 62 cred = malloc(sizeof(*cred)); 63 if (cred == NULL) 64 return GSS_S_FAILURE; 65 66 SLIST_INIT(&cred->gc_mc); 67 68 SLIST_FOREACH(m, &_gss_mechs, gm_link) { 69 70 if (m->gm_set_cred_option == NULL) 71 continue; 72 73 mc = malloc(sizeof(*mc)); 74 if (mc == NULL) { 75 *cred_handle = (gss_cred_id_t)cred; 76 gss_release_cred(minor_status, cred_handle); 77 *minor_status = ENOMEM; 78 return GSS_S_FAILURE; 79 } 80 81 mc->gmc_mech = m; 82 mc->gmc_mech_oid = &m->gm_mech_oid; 83 mc->gmc_cred = GSS_C_NO_CREDENTIAL; 84 85 major_status = m->gm_set_cred_option( 86 minor_status, &mc->gmc_cred, object, value); 87 88 if (major_status) { 89 free(mc); 90 continue; 91 } 92 one_ok = 1; 93 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link); 94 } 95 *cred_handle = (gss_cred_id_t)cred; 96 if (!one_ok) { 97 OM_uint32 junk; 98 gss_release_cred(&junk, cred_handle); 99 } 100 } else { 101 struct _gss_mech_switch *m; 102 103 SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { 104 m = mc->gmc_mech; 105 106 if (m == NULL) 107 return GSS_S_BAD_MECH; 108 109 if (m->gm_set_cred_option == NULL) 110 continue; 111 112 major_status = m->gm_set_cred_option(minor_status, 113 &mc->gmc_cred, object, value); 114 if (major_status == GSS_S_COMPLETE) 115 one_ok = 1; 116 else 117 _gss_mg_error(m, major_status, *minor_status); 118 119 } 120 } 121 if (one_ok) { 122 *minor_status = 0; 123 return (GSS_S_COMPLETE); 124 } 125 return (major_status); 126 } 127 128