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 80#ifdef HAVE_TRUSTEVALUATIONAGENT 81#include <dispatch/dispatch.h> 82#include <CoreFoundation/CoreFoundation.h> 83#include <TrustEvaluationAgent/TrustEvaluationAgent.h> 84#endif 85 86struct hx509_keyset_ops; 87struct hx509_collector; 88struct hx509_generate_private_context; 89typedef struct hx509_path hx509_path; 90 91#include <heimbase.h> 92 93#include <hx509.h> 94 95typedef void (*_hx509_cert_release_func)(struct hx509_cert_data *, void *); 96 97 98#include "sel.h" 99 100#include <hx509-private.h> 101#include <hx509_err.h> 102 103struct hx509_peer_info { 104 hx509_cert cert; 105 AlgorithmIdentifier *val; 106 size_t len; 107}; 108 109#define HX509_CERTS_FIND_SERIALNUMBER 1 110#define HX509_CERTS_FIND_ISSUER 2 111#define HX509_CERTS_FIND_SUBJECT 4 112#define HX509_CERTS_FIND_ISSUER_KEY_ID 8 113#define HX509_CERTS_FIND_SUBJECT_KEY_ID 16 114 115struct hx509_name_data { 116 Name der_name; 117}; 118 119struct hx509_evaluate_data { 120 struct heim_base_uniq base; 121 heim_array_t path; 122}; 123 124struct hx509_path { 125 size_t len; 126 hx509_cert *val; 127}; 128 129struct hx509_query_data { 130 int match; 131#define HX509_QUERY_FIND_ISSUER_CERT 0x0000001 132#define HX509_QUERY_MATCH_SERIALNUMBER 0x0000002 133#define HX509_QUERY_MATCH_ISSUER_NAME 0x0000004 134#define HX509_QUERY_MATCH_SUBJECT_NAME 0x0000008 135#define HX509_QUERY_MATCH_SUBJECT_KEY_ID 0x0000010 136#define HX509_QUERY_MATCH_ISSUER_ID 0x0000020 137#define HX509_QUERY_PRIVATE_KEY 0x0000040 138#define HX509_QUERY_KU_ENCIPHERMENT 0x0000080 139#define HX509_QUERY_KU_DIGITALSIGNATURE 0x0000100 140#define HX509_QUERY_KU_KEYCERTSIGN 0x0000200 141#define HX509_QUERY_KU_CRLSIGN 0x0000400 142#define HX509_QUERY_KU_NONREPUDIATION 0x0000800 143#define HX509_QUERY_KU_KEYAGREEMENT 0x0001000 144#define HX509_QUERY_KU_DATAENCIPHERMENT 0x0002000 145#define HX509_QUERY_ANCHOR 0x0004000 146#define HX509_QUERY_MATCH_CERTIFICATE 0x0008000 147#define HX509_QUERY_MATCH_LOCAL_KEY_ID 0x0010000 148#define HX509_QUERY_NO_MATCH_PATH 0x0020000 149#define HX509_QUERY_MATCH_FRIENDLY_NAME 0x0040000 150#define HX509_QUERY_MATCH_FUNCTION 0x0080000 151#define HX509_QUERY_MATCH_KEY_HASH_SHA1 0x0100000 152#define HX509_QUERY_MATCH_TIME 0x0200000 153#define HX509_QUERY_MATCH_EKU 0x0400000 154#define HX509_QUERY_MATCH_EXPR 0x0800000 155#define HX509_QUERY_MATCH_PERSISTENT 0x1000000 156#define HX509_QUERY_MASK 0x1ffffff 157 Certificate *subject; 158 Certificate *certificate; 159 heim_integer *serial; 160 heim_octet_string *subject_id; 161 heim_octet_string *local_key_id; 162 Name *issuer_name; 163 Name *subject_name; 164 hx509_path *path; 165 char *friendlyname; 166 int (*cmp_func)(hx509_context, hx509_cert, void *); 167 void *cmp_func_ctx; 168 heim_octet_string *keyhash_sha1; 169 time_t timenow; 170 heim_oid *eku; 171 struct hx_expr *expr; 172 heim_octet_string *persistent; 173}; 174 175struct hx509_keyset_ops { 176 const char *name; 177 int flags; 178 int (*init)(hx509_context, hx509_certs, void **, 179 int, const char *, hx509_lock); 180 int (*store)(hx509_context, hx509_certs, void *, int, hx509_lock); 181 int (*free)(hx509_certs, void *); 182 int (*add)(hx509_context, hx509_certs, void *, hx509_cert); 183 int (*query)(hx509_context, hx509_certs, void *, 184 const hx509_query *, hx509_cert *); 185 int (*iter_start)(hx509_context, hx509_certs, void *, void **); 186 int (*iter)(hx509_context, hx509_certs, void *, void *, hx509_cert *); 187 int (*iter_end)(hx509_context, hx509_certs, void *, void *); 188 int (*printinfo)(hx509_context, hx509_certs, 189 void *, int (*)(void *, const char *), void *); 190 int (*getkeys)(hx509_context, hx509_certs, void *, hx509_private_key **); 191 int (*addkey)(hx509_context, hx509_certs, void *, hx509_private_key); 192}; 193 194struct _hx509_password { 195 size_t len; 196 char **val; 197}; 198 199extern hx509_lock _hx509_empty_lock; 200 201struct hx509_context_data { 202 struct hx509_keyset_ops **ks_ops; 203 int ks_num_ops; 204 int flags; 205#define HX509_CTX_VERIFY_MISSING_OK 1 206 int ocsp_time_diff; 207#define HX509_DEFAULT_OCSP_TIME_DIFF (5*60) 208 heim_error_t error; 209 struct et_list *et_list; 210 char *querystat; 211 hx509_certs default_trust_anchors; 212}; 213 214/* _hx509_calculate_path flag field */ 215#define HX509_CALCULATE_PATH_NO_ANCHOR 1 216 217/* environment */ 218struct hx509_env_data { 219 enum { env_string, env_list } type; 220 char *name; 221 struct hx509_env_data *next; 222 union { 223 char *string; 224 struct hx509_env_data *list; 225 } u; 226}; 227 228 229extern const AlgorithmIdentifier * _hx509_crypto_default_sig_alg; 230extern const AlgorithmIdentifier * _hx509_crypto_default_digest_alg; 231extern const AlgorithmIdentifier * _hx509_crypto_default_secret_alg; 232 233#undef HEIMDAL_NORETURN_ATTRIBUTE 234#define HEIMDAL_NORETURN_ATTRIBUTE 235#undef HEIMDAL_PRINTF_ATTRIBUTE 236#define HEIMDAL_PRINTF_ATTRIBUTE(x) 237 238/* 239 * Configurable options 240 */ 241 242#ifdef __APPLE__ 243#define HX509_DEFAULT_ANCHORS "KEYCHAIN:system-anchors" 244#endif 245