1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * glue routine for gss_inquire_cred 28 */ 29 30 #include <mechglueP.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <time.h> 35 36 OM_uint32 37 gss_inquire_cred(minor_status, 38 cred_handle, 39 name, 40 lifetime, 41 cred_usage, 42 mechanisms) 43 44 OM_uint32 *minor_status; 45 const gss_cred_id_t cred_handle; 46 gss_name_t *name; 47 OM_uint32 *lifetime; 48 int *cred_usage; 49 gss_OID_set *mechanisms; 50 51 { 52 OM_uint32 status, elapsed_time, temp_minor_status; 53 gss_union_cred_t union_cred; 54 gss_mechanism mech; 55 gss_name_t internal_name; 56 int i; 57 58 /* Initialize outputs. */ 59 60 if (minor_status != NULL) 61 *minor_status = 0; 62 63 if (name != NULL) 64 *name = GSS_C_NO_NAME; 65 66 if (mechanisms != NULL) 67 *mechanisms = GSS_C_NO_OID_SET; 68 69 /* Validate arguments. */ 70 if (minor_status == NULL) 71 return (GSS_S_CALL_INACCESSIBLE_WRITE); 72 73 if (cred_handle == GSS_C_NO_CREDENTIAL) { 74 /* 75 * No credential was supplied. This means we can't get a mechanism 76 * pointer to call the mechanism specific gss_inquire_cred. 77 * So, call get_mechanism with an arguement of GSS_C_NULL_OID. 78 * get_mechanism will return the first mechanism in the mech 79 * array, which becomes the default mechanism. 80 */ 81 82 if ((mech = __gss_get_mechanism(GSS_C_NULL_OID)) == NULL) 83 return (GSS_S_DEFECTIVE_CREDENTIAL); 84 85 if (!mech->gss_inquire_cred) 86 return (GSS_S_UNAVAILABLE); 87 88 status = mech->gss_inquire_cred(mech->context, minor_status, 89 GSS_C_NO_CREDENTIAL, 90 name ? &internal_name : NULL, 91 lifetime, cred_usage, 92 mechanisms); 93 94 if (status != GSS_S_COMPLETE) 95 return (status); 96 97 if (name) { 98 /* 99 * Convert internal_name into a union_name equivalent. 100 */ 101 status = __gss_convert_name_to_union_name( 102 &temp_minor_status, mech, 103 internal_name, name); 104 if (status != GSS_S_COMPLETE) { 105 *minor_status = temp_minor_status; 106 if (mechanisms && *mechanisms) { 107 (void) gss_release_oid_set( 108 &temp_minor_status, 109 mechanisms); 110 } 111 return (status); 112 } 113 } 114 return (GSS_S_COMPLETE); 115 } 116 117 /* get the cred_handle cast as a union_credentials structure */ 118 119 union_cred = (gss_union_cred_t)cred_handle; 120 121 /* 122 * get the information out of the union_cred structure that was 123 * placed there during gss_acquire_cred. 124 */ 125 126 if (cred_usage != NULL) 127 *cred_usage = union_cred->auxinfo.cred_usage; 128 129 if (lifetime != NULL) { 130 elapsed_time = time(0) - union_cred->auxinfo.creation_time; 131 *lifetime = union_cred->auxinfo.time_rec < elapsed_time ? 0 : 132 union_cred->auxinfo.time_rec - elapsed_time; 133 } 134 135 /* 136 * if name is non_null, 137 * call gss_import_name() followed by gss_canonicalize_name() 138 * to get a mechanism specific name passed back to the caller. 139 * If this call fails, return failure to our caller. 140 * XXX The cred_handle may contain an array of mechanism OID's 141 * but we only return the MN for the first mechanism to the caller. 142 * In theory, we should modify this to provide an array of MN's 143 * one per mechanism back to the caller. 144 */ 145 146 if (name != NULL) { 147 if ((gss_import_name(minor_status, 148 &union_cred->auxinfo.name, 149 union_cred->auxinfo.name_type, 150 name) != GSS_S_COMPLETE) || 151 (gss_canonicalize_name(minor_status, *name, 152 &union_cred->mechs_array[0], 153 NULL) != GSS_S_COMPLETE)) { 154 status = GSS_S_DEFECTIVE_CREDENTIAL; 155 goto error; 156 } 157 } 158 159 /* 160 * copy the mechanism set in union_cred into an OID set and return in 161 * the mechanisms parameter. 162 */ 163 if (mechanisms != NULL) { 164 status = GSS_S_FAILURE; 165 *mechanisms = (gss_OID_set) malloc(sizeof (gss_OID_set_desc)); 166 if (*mechanisms == NULL) 167 goto error; 168 169 (*mechanisms)->count = 0; 170 (*mechanisms)->elements = 171 (gss_OID) malloc(sizeof (gss_OID_desc) * 172 union_cred->count); 173 174 if ((*mechanisms)->elements == NULL) { 175 free(*mechanisms); 176 *mechanisms = NULL; 177 goto error; 178 } 179 180 for (i = 0; i < union_cred->count; i++) { 181 (*mechanisms)->elements[i].elements = (void *) 182 malloc(union_cred->mechs_array[i].length); 183 if ((*mechanisms)->elements[i].elements == NULL) 184 goto error; 185 g_OID_copy(&(*mechanisms)->elements[i], 186 &union_cred->mechs_array[i]); 187 (*mechanisms)->count++; 188 } 189 } 190 191 return (GSS_S_COMPLETE); 192 193 error: 194 /* 195 * cleanup any allocated memory - we can just call 196 * gss_release_oid_set, because the set is constructed so that 197 * count always references the currently copied number of 198 * elements. 199 */ 200 if (mechanisms && *mechanisms != NULL) 201 (void) gss_release_oid_set(&temp_minor_status, mechanisms); 202 203 if (name && *name != NULL) 204 (void) gss_release_name(&temp_minor_status, name); 205 206 return (status); 207 } 208 209 OM_uint32 210 gss_inquire_cred_by_mech(minor_status, cred_handle, mech_type, name, 211 initiator_lifetime, acceptor_lifetime, cred_usage) 212 OM_uint32 *minor_status; 213 const gss_cred_id_t cred_handle; 214 const gss_OID mech_type; 215 gss_name_t *name; 216 OM_uint32 *initiator_lifetime; 217 OM_uint32 *acceptor_lifetime; 218 gss_cred_usage_t *cred_usage; 219 { 220 gss_union_cred_t union_cred; 221 gss_cred_id_t mech_cred; 222 gss_mechanism mech; 223 OM_uint32 status, temp_minor_status; 224 gss_name_t internal_name; 225 226 if (minor_status != NULL) 227 *minor_status = 0; 228 229 if (name != NULL) 230 *name = GSS_C_NO_NAME; 231 232 if (minor_status == NULL) 233 return (GSS_S_CALL_INACCESSIBLE_WRITE); 234 235 mech = __gss_get_mechanism(mech_type); 236 if (!mech) 237 return (GSS_S_BAD_MECH); 238 if (!mech->gss_inquire_cred_by_mech) 239 return (GSS_S_UNAVAILABLE); 240 241 union_cred = (gss_union_cred_t)cred_handle; 242 mech_cred = __gss_get_mechanism_cred(union_cred, mech_type); 243 if (mech_cred == NULL) 244 return (GSS_S_DEFECTIVE_CREDENTIAL); 245 246 if (mech->gss_inquire_cred_by_mech != NULL) { 247 status = mech->gss_inquire_cred_by_mech(mech->context, 248 minor_status, 249 mech_cred, mech_type, 250 name ? &internal_name : NULL, 251 initiator_lifetime, 252 acceptor_lifetime, cred_usage); 253 254 if (status != GSS_S_COMPLETE) 255 return (status); 256 257 if (name) { 258 /* 259 * Convert internal_name into a union_name equivalent. 260 */ 261 status = __gss_convert_name_to_union_name( 262 &temp_minor_status, mech, 263 internal_name, name); 264 if (status != GSS_S_COMPLETE) { 265 *minor_status = temp_minor_status; 266 return (status); 267 } 268 } 269 } else { 270 return (GSS_S_UNAVAILABLE); 271 } 272 273 return (GSS_S_COMPLETE); 274 } 275