1/* 2 * Copyright (c) 2004 - 2006 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 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 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34/* $Id$ */ 35 36#include <config.h> 37 38#include <stdio.h> 39#include <stdlib.h> 40#include <ctype.h> 41#include <errno.h> 42#ifdef HAVE_STRINGS_H 43#include <strings.h> 44#endif 45#include <assert.h> 46#include <stdarg.h> 47#include <err.h> 48#include <limits.h> 49 50#include <roken.h> 51 52#include <getarg.h> 53#include <base64.h> 54#include <hex.h> 55#include <com_err.h> 56#include <parse_units.h> 57#include <parse_bytes.h> 58 59#include <krb5-types.h> 60 61#include <rfc2459_asn1.h> 62#include <cms_asn1.h> 63#include <pkcs8_asn1.h> 64#include <pkcs9_asn1.h> 65#include <pkcs12_asn1.h> 66#include <ocsp_asn1.h> 67#include <pkcs10_asn1.h> 68#include <asn1_err.h> 69#include <pkinit_asn1.h> 70 71#include <der.h> 72 73#include <heimbase.h> 74#include <heimbasepriv.h> 75#include <heimbase_impl.h> 76 77#define HC_DEPRECATED_CRYPTO 78#include "crypto-headers.h" 79 80struct hx509_keyset_ops; 81struct hx509_collector; 82struct hx509_generate_private_context; 83typedef struct hx509_path hx509_path; 84 85#include <heimbase.h> 86 87#include <hx509.h> 88 89typedef void (*_hx509_cert_release_func)(struct hx509_cert_data *, void *); 90 91 92#include "sel.h" 93 94#include <hx509-private.h> 95#include <hx509_err.h> 96 97struct hx509_peer_info { 98 hx509_cert cert; 99 AlgorithmIdentifier *val; 100 size_t len; 101}; 102 103#define HX509_CERTS_FIND_SERIALNUMBER 1 104#define HX509_CERTS_FIND_ISSUER 2 105#define HX509_CERTS_FIND_SUBJECT 4 106#define HX509_CERTS_FIND_ISSUER_KEY_ID 8 107#define HX509_CERTS_FIND_SUBJECT_KEY_ID 16 108 109struct hx509_name_data { 110 Name der_name; 111}; 112 113struct hx509_evaluate_data { 114 struct heim_base_uniq base; 115 heim_array_t path; 116}; 117 118struct hx509_path { 119 size_t len; 120 hx509_cert *val; 121}; 122 123struct hx509_query_data { 124 int match; 125#define HX509_QUERY_FIND_ISSUER_CERT 0x0000001 126#define HX509_QUERY_MATCH_SERIALNUMBER 0x0000002 127#define HX509_QUERY_MATCH_ISSUER_NAME 0x0000004 128#define HX509_QUERY_MATCH_SUBJECT_NAME 0x0000008 129#define HX509_QUERY_MATCH_SUBJECT_KEY_ID 0x0000010 130#define HX509_QUERY_MATCH_ISSUER_ID 0x0000020 131#define HX509_QUERY_PRIVATE_KEY 0x0000040 132#define HX509_QUERY_KU_ENCIPHERMENT 0x0000080 133#define HX509_QUERY_KU_DIGITALSIGNATURE 0x0000100 134#define HX509_QUERY_KU_KEYCERTSIGN 0x0000200 135#define HX509_QUERY_KU_CRLSIGN 0x0000400 136#define HX509_QUERY_KU_NONREPUDIATION 0x0000800 137#define HX509_QUERY_KU_KEYAGREEMENT 0x0001000 138#define HX509_QUERY_KU_DATAENCIPHERMENT 0x0002000 139#define HX509_QUERY_ANCHOR 0x0004000 140#define HX509_QUERY_MATCH_CERTIFICATE 0x0008000 141#define HX509_QUERY_MATCH_LOCAL_KEY_ID 0x0010000 142#define HX509_QUERY_NO_MATCH_PATH 0x0020000 143#define HX509_QUERY_MATCH_FRIENDLY_NAME 0x0040000 144#define HX509_QUERY_MATCH_FUNCTION 0x0080000 145#define HX509_QUERY_MATCH_KEY_HASH_SHA1 0x0100000 146#define HX509_QUERY_MATCH_TIME 0x0200000 147#define HX509_QUERY_MATCH_EKU 0x0400000 148#define HX509_QUERY_MATCH_EXPR 0x0800000 149#define HX509_QUERY_MATCH_PERSISTENT 0x1000000 150#define HX509_QUERY_MASK 0x1ffffff 151 Certificate *subject; 152 Certificate *certificate; 153 heim_integer *serial; 154 heim_octet_string *subject_id; 155 heim_octet_string *local_key_id; 156 Name *issuer_name; 157 Name *subject_name; 158 hx509_path *path; 159 char *friendlyname; 160 int (*cmp_func)(hx509_context, hx509_cert, void *); 161 void *cmp_func_ctx; 162 heim_octet_string *keyhash_sha1; 163 time_t timenow; 164 heim_oid *eku; 165 struct hx_expr *expr; 166 heim_octet_string *persistent; 167}; 168 169struct hx509_keyset_ops { 170 const char *name; 171 int flags; 172 int (*init)(hx509_context, hx509_certs, void **, 173 int, const char *, hx509_lock); 174 int (*store)(hx509_context, hx509_certs, void *, int, hx509_lock); 175 int (*free)(hx509_certs, void *); 176 int (*add)(hx509_context, hx509_certs, void *, hx509_cert); 177 int (*query)(hx509_context, hx509_certs, void *, 178 const hx509_query *, hx509_cert *); 179 int (*iter_start)(hx509_context, hx509_certs, void *, void **); 180 int (*iter)(hx509_context, hx509_certs, void *, void *, hx509_cert *); 181 int (*iter_end)(hx509_context, hx509_certs, void *, void *); 182 int (*printinfo)(hx509_context, hx509_certs, 183 void *, int (*)(void *, const char *), void *); 184 int (*getkeys)(hx509_context, hx509_certs, void *, hx509_private_key **); 185 int (*addkey)(hx509_context, hx509_certs, void *, hx509_private_key); 186}; 187 188struct _hx509_password { 189 size_t len; 190 char **val; 191}; 192 193extern hx509_lock _hx509_empty_lock; 194 195struct hx509_context_data { 196 struct hx509_keyset_ops **ks_ops; 197 int ks_num_ops; 198 int flags; 199#define HX509_CTX_VERIFY_MISSING_OK 1 200 int ocsp_time_diff; 201#define HX509_DEFAULT_OCSP_TIME_DIFF (5*60) 202 heim_error_t error; 203 struct et_list *et_list; 204 char *querystat; 205 hx509_certs default_trust_anchors; 206}; 207 208/* _hx509_calculate_path flag field */ 209#define HX509_CALCULATE_PATH_NO_ANCHOR 1 210 211/* environment */ 212struct hx509_env_data { 213 enum { env_string, env_list } type; 214 char *name; 215 struct hx509_env_data *next; 216 union { 217 char *string; 218 struct hx509_env_data *list; 219 } u; 220}; 221 222 223extern const AlgorithmIdentifier * _hx509_crypto_default_sig_alg; 224extern const AlgorithmIdentifier * _hx509_crypto_default_digest_alg; 225extern const AlgorithmIdentifier * _hx509_crypto_default_secret_alg; 226 227#undef HEIMDAL_NORETURN_ATTRIBUTE 228#define HEIMDAL_NORETURN_ATTRIBUTE 229#undef HEIMDAL_PRINTF_ATTRIBUTE 230#define HEIMDAL_PRINTF_ATTRIBUTE(x) 231 232/* 233 * Configurable options 234 */ 235 236#ifdef __APPLE__ 237#define HX509_DEFAULT_ANCHORS "KEYCHAIN:system-anchors" 238#endif 239