lib/hx509/hx_locl.h

   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 #include <strings.h>
  43 #include <assert.h>
  44 #include <stdarg.h>
  45 #include <err.h>
  46 #include <limits.h>
  47
  48 #include <getarg.h>
  49 #include <base64.h>
  50 #include <hex.h>
  51 #include <roken.h>
  52 #include <com_err.h>
  53 #include <parse_units.h>
  54 #include <parse_bytes.h>
  55
  56 #include <krb5-types.h>
  57
  58 #include <rfc2459_asn1.h>
  59 #include <cms_asn1.h>
  60 #include <pkcs8_asn1.h>
  61 #include <pkcs9_asn1.h>
  62 #include <pkcs12_asn1.h>
  63 #include <ocsp_asn1.h>
  64 #include <pkcs10_asn1.h>
  65 #include <asn1_err.h>
  66 #include <pkinit_asn1.h>
  67
  68 #include <der.h>
  69
  70 #define HC_DEPRECATED_CRYPTO
  71 #include "crypto-headers.h"
  72
  73 struct hx509_keyset_ops;
  74 struct hx509_collector;
  75 struct hx509_generate_private_context;
  76 typedef struct hx509_path hx509_path;
  77
  78 #include <hx509.h>
  79
  80 typedef void (*_hx509_cert_release_func)(struct hx509_cert_data *, void *);
  81
  82 typedef struct hx509_private_key_ops hx509_private_key_ops;
  83
  84 #include "sel.h"
  85
  86 #include <hx509-private.h>
  87 #include <hx509_err.h>
  88
  89 struct hx509_peer_info {
  90     hx509_cert cert;
  91     AlgorithmIdentifier *val;
  92     size_t len;
  93 };
  94
  95 #define HX509_CERTS_FIND_SERIALNUMBER           1
  96 #define HX509_CERTS_FIND_ISSUER                 2
  97 #define HX509_CERTS_FIND_SUBJECT                4
  98 #define HX509_CERTS_FIND_ISSUER_KEY_ID          8
  99 #define HX509_CERTS_FIND_SUBJECT_KEY_ID         16
 100
 101 struct hx509_name_data {
 102     Name der_name;
 103 };
 104
 105 struct hx509_path {
 106     size_t len;
 107     hx509_cert *val;
 108 };
 109
 110 struct hx509_query_data {
 111     int match;
 112 #define HX509_QUERY_FIND_ISSUER_CERT            0x000001
 113 #define HX509_QUERY_MATCH_SERIALNUMBER          0x000002
 114 #define HX509_QUERY_MATCH_ISSUER_NAME           0x000004
 115 #define HX509_QUERY_MATCH_SUBJECT_NAME          0x000008
 116 #define HX509_QUERY_MATCH_SUBJECT_KEY_ID        0x000010
 117 #define HX509_QUERY_MATCH_ISSUER_ID             0x000020
 118 #define HX509_QUERY_PRIVATE_KEY                 0x000040
 119 #define HX509_QUERY_KU_ENCIPHERMENT             0x000080
 120 #define HX509_QUERY_KU_DIGITALSIGNATURE         0x000100
 121 #define HX509_QUERY_KU_KEYCERTSIGN              0x000200
 122 #define HX509_QUERY_KU_CRLSIGN                  0x000400
 123 #define HX509_QUERY_KU_NONREPUDIATION           0x000800
 124 #define HX509_QUERY_KU_KEYAGREEMENT             0x001000
 125 #define HX509_QUERY_KU_DATAENCIPHERMENT         0x002000
 126 #define HX509_QUERY_ANCHOR                      0x004000
 127 #define HX509_QUERY_MATCH_CERTIFICATE           0x008000
 128 #define HX509_QUERY_MATCH_LOCAL_KEY_ID          0x010000
 129 #define HX509_QUERY_NO_MATCH_PATH               0x020000
 130 #define HX509_QUERY_MATCH_FRIENDLY_NAME         0x040000
 131 #define HX509_QUERY_MATCH_FUNCTION              0x080000
 132 #define HX509_QUERY_MATCH_KEY_HASH_SHA1         0x100000
 133 #define HX509_QUERY_MATCH_TIME                  0x200000
 134 #define HX509_QUERY_MATCH_EKU                   0x400000
 135 #define HX509_QUERY_MATCH_EXPR                  0x800000
 136 #define HX509_QUERY_MASK                        0xffffff
 137     Certificate *subject;
 138     Certificate *certificate;
 139     heim_integer *serial;
 140     heim_octet_string *subject_id;
 141     heim_octet_string *local_key_id;
 142     Name *issuer_name;
 143     Name *subject_name;
 144     hx509_path *path;
 145     char *friendlyname;
 146     int (*cmp_func)(hx509_context, hx509_cert, void *);
 147     void *cmp_func_ctx;
 148     heim_octet_string *keyhash_sha1;
 149     time_t timenow;
 150     heim_oid *eku;
 151     struct hx_expr *expr;
 152 };
 153
 154 struct hx509_keyset_ops {
 155     const char *name;
 156     int flags;
 157     int (*init)(hx509_context, hx509_certs, void **,
 158                 int, const char *, hx509_lock);
 159     int (*store)(hx509_context, hx509_certs, void *, int, hx509_lock);
 160     int (*free)(hx509_certs, void *);
 161     int (*add)(hx509_context, hx509_certs, void *, hx509_cert);
 162     int (*query)(hx509_context, hx509_certs, void *,
 163                  const hx509_query *, hx509_cert *);
 164     int (*iter_start)(hx509_context, hx509_certs, void *, void **);
 165     int (*iter)(hx509_context, hx509_certs, void *, void *, hx509_cert *);
 166     int (*iter_end)(hx509_context, hx509_certs, void *, void *);
 167     int (*printinfo)(hx509_context, hx509_certs,
 168                      void *, int (*)(void *, const char *), void *);
 169     int (*getkeys)(hx509_context, hx509_certs, void *, hx509_private_key **);
 170     int (*addkey)(hx509_context, hx509_certs, void *, hx509_private_key);
 171 };
 172
 173 struct _hx509_password {
 174     size_t len;
 175     char **val;
 176 };
 177
 178 extern hx509_lock _hx509_empty_lock;
 179
 180 struct hx509_context_data {
 181     struct hx509_keyset_ops **ks_ops;
 182     int ks_num_ops;
 183     int flags;
 184 #define HX509_CTX_VERIFY_MISSING_OK     1
 185     int ocsp_time_diff;
 186 #define HX509_DEFAULT_OCSP_TIME_DIFF    (5*60)
 187     hx509_error error;
 188     struct et_list *et_list;
 189     char *querystat;
 190     hx509_certs default_trust_anchors;
 191 };
 192
 193 /* _hx509_calculate_path flag field */
 194 #define HX509_CALCULATE_PATH_NO_ANCHOR 1
 195
 196 /* environment */
 197 struct hx509_env_data {
 198     enum { env_string, env_list } type;
 199     char *name;
 200     struct hx509_env_data *next;
 201     union {
 202         char *string;
 203         struct hx509_env_data *list;
 204     } u;
 205 };
 206
 207
 208 extern const AlgorithmIdentifier * _hx509_crypto_default_sig_alg;
 209 extern const AlgorithmIdentifier * _hx509_crypto_default_digest_alg;
 210 extern const AlgorithmIdentifier * _hx509_crypto_default_secret_alg;
 211
 212 /*
 213  * Configurable options
 214  */
 215
 216 #ifdef __APPLE__
 217 #define HX509_DEFAULT_ANCHORS "KEYCHAIN:system-anchors"
 218 #endif