1 /* 2 * Copyright (c) 2004, PADL Software Pty Ltd. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 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 * 3. Neither the name of PADL Software nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 /* $FreeBSD$ */ 33 /* RCSID("$Id: gss_set_cred_option.c 21126 2007-06-18 20:19:59Z lha $"); */ 34 35 #include <gssapi/gssapi.h> 36 #include <stdlib.h> 37 #include <errno.h> 38 39 #include "mech_switch.h" 40 #include "cred.h" 41 42 OM_uint32 43 gss_set_cred_option (OM_uint32 *minor_status, 44 gss_cred_id_t *cred_handle, 45 const gss_OID object, 46 const gss_buffer_t value) 47 { 48 struct _gss_cred *cred = (struct _gss_cred *) *cred_handle; 49 OM_uint32 major_status = GSS_S_COMPLETE; 50 struct _gss_mechanism_cred *mc; 51 int one_ok = 0; 52 53 *minor_status = 0; 54 55 _gss_load_mech(); 56 57 if (cred == NULL) { 58 struct _gss_mech_switch *m; 59 60 cred = malloc(sizeof(*cred)); 61 if (cred == NULL) 62 return GSS_S_FAILURE; 63 64 SLIST_INIT(&cred->gc_mc); 65 66 SLIST_FOREACH(m, &_gss_mechs, gm_link) { 67 68 if (m->gm_set_cred_option == NULL) 69 continue; 70 71 mc = malloc(sizeof(*mc)); 72 if (mc == NULL) { 73 *cred_handle = (gss_cred_id_t)cred; 74 gss_release_cred(minor_status, cred_handle); 75 *minor_status = ENOMEM; 76 return GSS_S_FAILURE; 77 } 78 79 mc->gmc_mech = m; 80 mc->gmc_mech_oid = &m->gm_mech_oid; 81 mc->gmc_cred = GSS_C_NO_CREDENTIAL; 82 83 major_status = m->gm_set_cred_option( 84 minor_status, &mc->gmc_cred, object, value); 85 86 if (major_status) { 87 free(mc); 88 continue; 89 } 90 one_ok = 1; 91 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link); 92 } 93 *cred_handle = (gss_cred_id_t)cred; 94 if (!one_ok) { 95 OM_uint32 junk; 96 gss_release_cred(&junk, cred_handle); 97 } 98 } else { 99 struct _gss_mech_switch *m; 100 101 SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { 102 m = mc->gmc_mech; 103 104 if (m == NULL) 105 return GSS_S_BAD_MECH; 106 107 if (m->gm_set_cred_option == NULL) 108 continue; 109 110 major_status = m->gm_set_cred_option(minor_status, 111 &mc->gmc_cred, object, value); 112 if (major_status == GSS_S_COMPLETE) 113 one_ok = 1; 114 else 115 _gss_mg_error(m, major_status, *minor_status); 116 117 } 118 } 119 if (one_ok) { 120 *minor_status = 0; 121 return (GSS_S_COMPLETE); 122 } 123 return (major_status); 124 } 125 126