1/*- 2 * Copyright (c) 2005 Doug Rabson 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 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/lib/libgssapi/gss_add_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ 27 */ 28 29#include "mech_locl.h" 30 31struct _gss_mechanism_cred * 32_gss_copy_cred(struct _gss_mechanism_cred *mc) 33{ 34 struct _gss_mechanism_cred *new_mc; 35 gssapi_mech_interface m = mc->gmc_mech; 36 OM_uint32 major_status, minor_status; 37 gss_name_t name; 38 gss_cred_id_t cred; 39 OM_uint32 initiator_lifetime, acceptor_lifetime; 40 gss_cred_usage_t cred_usage; 41 42 major_status = m->gm_inquire_cred_by_mech(&minor_status, 43 mc->gmc_cred, mc->gmc_mech_oid, 44 &name, &initiator_lifetime, &acceptor_lifetime, &cred_usage); 45 if (major_status) { 46 _gss_mg_error(m, major_status, minor_status); 47 return (0); 48 } 49 50 major_status = m->gm_add_cred(&minor_status, 51 GSS_C_NO_CREDENTIAL, name, mc->gmc_mech_oid, 52 cred_usage, initiator_lifetime, acceptor_lifetime, 53 &cred, 0, 0, 0); 54 m->gm_release_name(&minor_status, &name); 55 56 if (major_status) { 57 _gss_mg_error(m, major_status, minor_status); 58 return (0); 59 } 60 61 new_mc = malloc(sizeof(struct _gss_mechanism_cred)); 62 if (!new_mc) { 63 m->gm_release_cred(&minor_status, &cred); 64 return (0); 65 } 66 new_mc->gmc_mech = m; 67 new_mc->gmc_mech_oid = &m->gm_mech_oid; 68 new_mc->gmc_cred = cred; 69 70 return (new_mc); 71} 72 73GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 74gss_add_cred(OM_uint32 *minor_status, 75 const gss_cred_id_t input_cred_handle, 76 const gss_name_t desired_name, 77 const gss_OID desired_mech, 78 gss_cred_usage_t cred_usage, 79 OM_uint32 initiator_time_req, 80 OM_uint32 acceptor_time_req, 81 gss_cred_id_t *output_cred_handle, 82 gss_OID_set *actual_mechs, 83 OM_uint32 *initiator_time_rec, 84 OM_uint32 *acceptor_time_rec) 85{ 86 OM_uint32 major_status; 87 gssapi_mech_interface m; 88 struct _gss_cred *cred = (struct _gss_cred *) input_cred_handle; 89 struct _gss_cred *new_cred; 90 gss_cred_id_t release_cred; 91 struct _gss_mechanism_cred *mc, *target_mc, *copy_mc; 92 struct _gss_mechanism_name *mn; 93 OM_uint32 junk; 94 95 *minor_status = 0; 96 *output_cred_handle = GSS_C_NO_CREDENTIAL; 97 if (initiator_time_rec) 98 *initiator_time_rec = 0; 99 if (acceptor_time_rec) 100 *acceptor_time_rec = 0; 101 if (actual_mechs) 102 *actual_mechs = GSS_C_NO_OID_SET; 103 104 new_cred = malloc(sizeof(struct _gss_cred)); 105 if (!new_cred) { 106 *minor_status = ENOMEM; 107 return (GSS_S_FAILURE); 108 } 109 HEIM_SLIST_INIT(&new_cred->gc_mc); 110 111 /* 112 * We go through all the mc attached to the input_cred_handle 113 * and check the mechanism. If it matches, we call 114 * gss_add_cred for that mechanism, otherwise we copy the mc 115 * to new_cred. 116 */ 117 target_mc = 0; 118 if (cred) { 119 HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) { 120 if (gss_oid_equal(mc->gmc_mech_oid, desired_mech)) { 121 target_mc = mc; 122 } 123 copy_mc = _gss_copy_cred(mc); 124 if (!copy_mc) { 125 release_cred = (gss_cred_id_t)new_cred; 126 gss_release_cred(&junk, &release_cred); 127 *minor_status = ENOMEM; 128 return (GSS_S_FAILURE); 129 } 130 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, copy_mc, gmc_link); 131 } 132 } 133 134 /* 135 * Figure out a suitable mn, if any. 136 */ 137 if (desired_name) { 138 major_status = _gss_find_mn(minor_status, 139 (struct _gss_name *) desired_name, 140 desired_mech, 141 &mn); 142 if (major_status != GSS_S_COMPLETE) { 143 free(new_cred); 144 return major_status; 145 } 146 } else { 147 mn = 0; 148 } 149 150 m = __gss_get_mechanism(desired_mech); 151 152 mc = malloc(sizeof(struct _gss_mechanism_cred)); 153 if (!mc) { 154 release_cred = (gss_cred_id_t)new_cred; 155 gss_release_cred(&junk, &release_cred); 156 *minor_status = ENOMEM; 157 return (GSS_S_FAILURE); 158 } 159 mc->gmc_mech = m; 160 mc->gmc_mech_oid = &m->gm_mech_oid; 161 162 major_status = m->gm_add_cred(minor_status, 163 target_mc ? target_mc->gmc_cred : GSS_C_NO_CREDENTIAL, 164 desired_name ? mn->gmn_name : GSS_C_NO_NAME, 165 desired_mech, 166 cred_usage, 167 initiator_time_req, 168 acceptor_time_req, 169 &mc->gmc_cred, 170 actual_mechs, 171 initiator_time_rec, 172 acceptor_time_rec); 173 174 if (major_status) { 175 _gss_mg_error(m, major_status, *minor_status); 176 release_cred = (gss_cred_id_t)new_cred; 177 gss_release_cred(&junk, &release_cred); 178 free(mc); 179 return (major_status); 180 } 181 HEIM_SLIST_INSERT_HEAD(&new_cred->gc_mc, mc, gmc_link); 182 *output_cred_handle = (gss_cred_id_t) new_cred; 183 184 return (GSS_S_COMPLETE); 185} 186 187