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 * $FreeBSD$ 27 */ 28 29#include <gssapi/gssapi.h> 30#include <stdlib.h> 31#include <string.h> 32#include <errno.h> 33 34#include "mech_switch.h" 35#include "name.h" 36#include "utils.h" 37 38/* 39 * The implementation must reserve static storage for a 40 * gss_OID_desc object containing the value 41 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" 42 * "\x01\x02\x01\x01"}, 43 * corresponding to an object-identifier value of 44 * {iso(1) member-body(2) United States(840) mit(113554) 45 * infosys(1) gssapi(2) generic(1) user_name(1)}. The constant 46 * GSS_C_NT_USER_NAME should be initialized to point 47 * to that gss_OID_desc. 48 */ 49static gss_OID_desc GSS_C_NT_USER_NAME_storage = 50 {10, (void *)(uintptr_t)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x01"}; 51gss_OID GSS_C_NT_USER_NAME = &GSS_C_NT_USER_NAME_storage; 52 53/* 54 * The implementation must reserve static storage for a 55 * gss_OID_desc object containing the value 56 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" 57 * "\x01\x02\x01\x02"}, 58 * corresponding to an object-identifier value of 59 * {iso(1) member-body(2) United States(840) mit(113554) 60 * infosys(1) gssapi(2) generic(1) machine_uid_name(2)}. 61 * The constant GSS_C_NT_MACHINE_UID_NAME should be 62 * initialized to point to that gss_OID_desc. 63 */ 64static gss_OID_desc GSS_C_NT_MACHINE_UID_NAME_storage = 65 {10, (void *)(uintptr_t)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x02"}; 66gss_OID GSS_C_NT_MACHINE_UID_NAME = &GSS_C_NT_MACHINE_UID_NAME_storage; 67 68/* 69 * The implementation must reserve static storage for a 70 * gss_OID_desc object containing the value 71 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" 72 * "\x01\x02\x01\x03"}, 73 * corresponding to an object-identifier value of 74 * {iso(1) member-body(2) United States(840) mit(113554) 75 * infosys(1) gssapi(2) generic(1) string_uid_name(3)}. 76 * The constant GSS_C_NT_STRING_UID_NAME should be 77 * initialized to point to that gss_OID_desc. 78 */ 79static gss_OID_desc GSS_C_NT_STRING_UID_NAME_storage = 80 {10, (void *)(uintptr_t)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x03"}; 81gss_OID GSS_C_NT_STRING_UID_NAME = &GSS_C_NT_STRING_UID_NAME_storage; 82 83/* 84 * The implementation must reserve static storage for a 85 * gss_OID_desc object containing the value 86 * {6, (void *)"\x2b\x06\x01\x05\x06\x02"}, 87 * corresponding to an object-identifier value of 88 * {iso(1) org(3) dod(6) internet(1) security(5) 89 * nametypes(6) gss-host-based-services(2)). The constant 90 * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point 91 * to that gss_OID_desc. This is a deprecated OID value, and 92 * implementations wishing to support hostbased-service names 93 * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID, 94 * defined below, to identify such names; 95 * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym 96 * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input 97 * parameter, but should not be emitted by GSS-API 98 * implementations 99 */ 100static gss_OID_desc GSS_C_NT_HOSTBASED_SERVICE_X_storage = 101 {6, (void *)(uintptr_t)"\x2b\x06\x01\x05\x06\x02"}; 102gss_OID GSS_C_NT_HOSTBASED_SERVICE_X = &GSS_C_NT_HOSTBASED_SERVICE_X_storage; 103 104/* 105 * The implementation must reserve static storage for a 106 * gss_OID_desc object containing the value 107 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12" 108 * "\x01\x02\x01\x04"}, corresponding to an 109 * object-identifier value of {iso(1) member-body(2) 110 * Unites States(840) mit(113554) infosys(1) gssapi(2) 111 * generic(1) service_name(4)}. The constant 112 * GSS_C_NT_HOSTBASED_SERVICE should be initialized 113 * to point to that gss_OID_desc. 114 */ 115static gss_OID_desc GSS_C_NT_HOSTBASED_SERVICE_storage = 116 {10, (void *)(uintptr_t)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04"}; 117gss_OID GSS_C_NT_HOSTBASED_SERVICE = &GSS_C_NT_HOSTBASED_SERVICE_storage; 118 119/* 120 * The implementation must reserve static storage for a 121 * gss_OID_desc object containing the value 122 * {6, (void *)"\x2b\x06\01\x05\x06\x03"}, 123 * corresponding to an object identifier value of 124 * {1(iso), 3(org), 6(dod), 1(internet), 5(security), 125 * 6(nametypes), 3(gss-anonymous-name)}. The constant 126 * and GSS_C_NT_ANONYMOUS should be initialized to point 127 * to that gss_OID_desc. 128 */ 129static gss_OID_desc GSS_C_NT_ANONYMOUS_storage = 130 {6, (void *)(uintptr_t)"\x2b\x06\01\x05\x06\x03"}; 131gss_OID GSS_C_NT_ANONYMOUS = &GSS_C_NT_ANONYMOUS_storage; 132 133/* 134 * The implementation must reserve static storage for a 135 * gss_OID_desc object containing the value 136 * {6, (void *)"\x2b\x06\x01\x05\x06\x04"}, 137 * corresponding to an object-identifier value of 138 * {1(iso), 3(org), 6(dod), 1(internet), 5(security), 139 * 6(nametypes), 4(gss-api-exported-name)}. The constant 140 * GSS_C_NT_EXPORT_NAME should be initialized to point 141 * to that gss_OID_desc. 142 */ 143static gss_OID_desc GSS_C_NT_EXPORT_NAME_storage = 144 {6, (void *)(uintptr_t)"\x2b\x06\x01\x05\x06\x04"}; 145gss_OID GSS_C_NT_EXPORT_NAME = &GSS_C_NT_EXPORT_NAME_storage; 146 147/* 148 * This name form shall be represented by the Object Identifier {iso(1) 149 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) 150 * krb5(2) krb5_name(1)}. The recommended symbolic name for this type 151 * is "GSS_KRB5_NT_PRINCIPAL_NAME". 152 */ 153static gss_OID_desc GSS_KRB5_NT_PRINCIPAL_NAME_storage = 154 {10, (void *)(uintptr_t)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x01"}; 155gss_OID GSS_KRB5_NT_PRINCIPAL_NAME = &GSS_KRB5_NT_PRINCIPAL_NAME_storage; 156 157/* 158 * This name form shall be represented by the Object Identifier {iso(1) 159 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) 160 * generic(1) user_name(1)}. The recommended symbolic name for this 161 * type is "GSS_KRB5_NT_USER_NAME". 162 */ 163gss_OID GSS_KRB5_NT_USER_NAME = &GSS_C_NT_USER_NAME_storage; 164 165/* 166 * This name form shall be represented by the Object Identifier {iso(1) 167 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) 168 * generic(1) machine_uid_name(2)}. The recommended symbolic name for 169 * this type is "GSS_KRB5_NT_MACHINE_UID_NAME". 170 */ 171gss_OID GSS_KRB5_NT_MACHINE_UID_NAME = &GSS_C_NT_MACHINE_UID_NAME_storage; 172 173/* 174 * This name form shall be represented by the Object Identifier {iso(1) 175 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2) 176 * generic(1) string_uid_name(3)}. The recommended symbolic name for 177 * this type is "GSS_KRB5_NT_STRING_UID_NAME". 178 */ 179gss_OID GSS_KRB5_NT_STRING_UID_NAME = &GSS_C_NT_STRING_UID_NAME_storage; 180 181OM_uint32 182_gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech, 183 struct _gss_mechanism_name **output_mn) 184{ 185 OM_uint32 major_status; 186 struct _gss_mech_switch *m; 187 struct _gss_mechanism_name *mn; 188 189 *output_mn = NULL; 190 191 SLIST_FOREACH(mn, &name->gn_mn, gmn_link) { 192 if (gss_oid_equal(mech, mn->gmn_mech_oid)) 193 break; 194 } 195 196 if (!mn) { 197 /* 198 * If this name is canonical (i.e. there is only an 199 * MN but it is from a different mech), give up now. 200 */ 201 if (!name->gn_value.value) 202 return (GSS_S_BAD_NAME); 203 204 m = _gss_find_mech_switch(mech); 205 if (!m) 206 return (GSS_S_BAD_MECH); 207 208 mn = malloc(sizeof(struct _gss_mechanism_name)); 209 if (!mn) 210 return (GSS_S_FAILURE); 211 212 major_status = m->gm_import_name(minor_status, 213 &name->gn_value, 214 (name->gn_type.elements 215 ? &name->gn_type : GSS_C_NO_OID), 216 &mn->gmn_name); 217 if (major_status != GSS_S_COMPLETE) { 218 _gss_mg_error(m, major_status, *minor_status); 219 free(mn); 220 return (major_status); 221 } 222 223 mn->gmn_mech = m; 224 mn->gmn_mech_oid = &m->gm_mech_oid; 225 SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); 226 } 227 *output_mn = mn; 228 return (GSS_S_COMPLETE); 229} 230 231 232/* 233 * Make a name from an MN. 234 */ 235struct _gss_name * 236_gss_make_name(struct _gss_mech_switch *m, gss_name_t new_mn) 237{ 238 struct _gss_name *name; 239 struct _gss_mechanism_name *mn; 240 241 name = malloc(sizeof(struct _gss_name)); 242 if (!name) 243 return (0); 244 memset(name, 0, sizeof(struct _gss_name)); 245 246 mn = malloc(sizeof(struct _gss_mechanism_name)); 247 if (!mn) { 248 free(name); 249 return (0); 250 } 251 252 SLIST_INIT(&name->gn_mn); 253 mn->gmn_mech = m; 254 mn->gmn_mech_oid = &m->gm_mech_oid; 255 mn->gmn_name = new_mn; 256 SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link); 257 258 return (name); 259} 260 261