1/* 2 * Copyright (c) 2010 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 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 * 3. Neither the name of Apple Inc. ("Apple") nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * Portions of this software have been released under the following terms: 31 * 32 * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC. 33 * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY 34 * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION 35 * 36 * To anyone who acknowledges that this file is provided "AS IS" 37 * without any express or implied warranty: 38 * permission to use, copy, modify, and distribute this file for any 39 * purpose is hereby granted without fee, provided that the above 40 * copyright notices and this notice appears in all source code copies, 41 * and that none of the names of Open Software Foundation, Inc., Hewlett- 42 * Packard Company or Digital Equipment Corporation be used 43 * in advertising or publicity pertaining to distribution of the software 44 * without specific, written prior permission. Neither Open Software 45 * Foundation, Inc., Hewlett-Packard Company nor Digital 46 * Equipment Corporation makes any representations about the suitability 47 * of this software for any purpose. 48 * 49 * Copyright (c) 2007, Novell, Inc. All rights reserved. 50 * Redistribution and use in source and binary forms, with or without 51 * modification, are permitted provided that the following conditions 52 * are met: 53 * 54 * 1. Redistributions of source code must retain the above copyright 55 * notice, this list of conditions and the following disclaimer. 56 * 2. Redistributions in binary form must reproduce the above copyright 57 * notice, this list of conditions and the following disclaimer in the 58 * documentation and/or other materials provided with the distribution. 59 * 3. Neither the name of Novell Inc. nor the names of its contributors 60 * may be used to endorse or promote products derived from this 61 * this software without specific prior written permission. 62 * 63 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 64 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 65 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 66 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY 67 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 68 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 69 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 70 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 71 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 72 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 73 * 74 * @APPLE_LICENSE_HEADER_END@ 75 */ 76 77/* 78** 79** NAME 80** 81** sec_id.c 82** 83** FACILITY: 84** 85** Remote Procedure Call (RPC) 86** 87** ABSTRACT: 88** 89** Routines for PAC pickling. 90*/ 91 92/* 93 * Functions 94 */ 95#include <commonp.h> 96#include <com.h> 97#include <dce/idl_es.h> 98#include <sec_id_pickle.h> 99 100#include <unistd.h> 101#include <ctype.h> 102 103#include "pickle.h" 104 105struct pickle_handle_s { 106 idl_es_handle_t idl_h; 107}; 108 109PRIVATE void sec_id_free(sec_id_t *identity); 110 111/* s e c _ p i c k l e _ c r e a t e 112 * 113 * Create a pickling context. This must be called to obtain a pickling 114 * context before any pickling calls can be performed. 115 */ 116PUBLIC pickle_handle_t sec_pickle_create(void) 117{ 118 pickle_handle_t handle; 119 120 RPC_MEM_ALLOC(handle, pickle_handle_t, 121 sizeof(*handle), RPC_C_MEM_UTIL, RPC_C_MEM_WAITOK); 122 handle->idl_h = NULL; 123 124 return handle; 125} 126 127/* s e c _ p i c k l e _ r e l e a s e 128 * 129 * Terminate a pickling context. This function will release any storage 130 * associated with the pickling context. 131 */ 132PUBLIC void sec_pickle_release(pickle_handle_t *p) 133{ 134 pickle_handle_t handle = *p; 135 unsigned32 st; 136 137 if (handle->idl_h != NULL) { 138 idl_es_handle_free(&handle->idl_h, &st); 139 } 140 RPC_MEM_FREE(handle, RPC_C_MEM_UTIL); 141 *p = NULL; 142} 143 144PRIVATE void sec_id_free(sec_id_t *identity) 145{ 146 unsigned32 st; 147 148 if (identity != NULL) { 149 rpc_string_free(&identity->name, &st); 150 } 151} 152 153/* s e c _ i d _ p a c _ f r e e 154 * 155 * Release dynamic storage associated with a PAC. 156 */ 157 158PUBLIC void sec_id_pac_free (sec_id_pac_t *pac) 159{ 160 unsigned32 i; 161 162 if (pac == NULL) { 163 return; 164 } 165 166 switch (pac->pac_type) { 167 case sec_id_pac_format_v1: { 168 sec_id_pac_format_v1_t *v1; 169 170 v1 = &pac->pac.v1_pac; 171 172 sec_id_free(&v1->realm); 173 sec_id_free(&v1->principal); 174 sec_id_free(&v1->group); 175 if (v1->groups != NULL) { 176 for (i = 0; i < v1->num_groups; i++) { 177 sec_id_free(&v1->groups[i]); 178 } 179 } 180 if (v1->foreign_groups != NULL) { 181 for (i = 0; i < v1->num_foreign_groups; i++) { 182 sec_id_free(&v1->foreign_groups[i]); 183 } 184 } 185 break; 186 } 187 case sec_id_pac_format_raw: { 188 sec_id_pac_format_raw_t *raw; 189 190 raw = &pac->pac.raw_pac; 191 192 if (raw->value != NULL) { 193 RPC_MEM_FREE(raw->value, RPC_C_MEM_UTIL); 194 raw->value = NULL; 195 } 196 197 raw->type = 0; 198 raw->length = 0; 199 break; 200 } 201 default: 202 break; 203 } 204} 205 206/* s e c _ i d _ p a c _ p i c k l e 207 * 208 * Pickle a pac. 209 */ 210PUBLIC void sec_id_pac_pickle(pickle_handle_t handle, 211 sec_id_pac_t *pac, 212 sec_id_pickled_pac_t **pickled_pac) 213{ 214 unsigned32 st; 215 byte *data; 216 unsigned32 len; 217 218 idl_es_encode_dyn_buffer(&data, &len, &handle->idl_h, &st); 219 if (st != error_status_ok) { 220 *pickled_pac = NULL; 221 return; 222 } 223 224 sec__id_pac_pickle(handle->idl_h, pac, &st); 225 if (st != error_status_ok) { 226 *pickled_pac = NULL; 227 return; 228 } 229 230 *pickled_pac = (sec_id_pickled_pac_t *)data; 231} 232 233/* s e c _ i d _ p a c _ u n p i c k l e 234 * 235 * unpickle a pac 236 */ 237PUBLIC void sec_id_pac_unpickle(sec_id_pickled_pac_t *pickled_pac, 238 sec_id_pac_t *pac) 239{ 240 idl_es_handle_t h; 241 unsigned32 st; 242 idl_ulong_int size; 243 244 memset(pac, 0, sizeof(*pac)); 245 246 size = sizeof(*pickled_pac) - 1; 247 size += pickled_pac->num_bytes; 248 249 idl_es_decode_buffer((idl_void_p_t)pickled_pac, size, 250 &h, &st); 251 252 sec__id_pac_unpickle(h, pac, &st); 253 idl_es_handle_free(&h, &st); 254} 255