include/openssl/x509_vfy.h

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  */
  57
  58 #ifndef HEADER_X509_VFY_H
  59 # define HEADER_X509_VFY_H
  60
  61 /*
  62  * Protect against recursion, x509.h and x509_vfy.h each include the other.
  63  */
  64 # ifndef HEADER_X509_H
  65 #  include <openssl/x509.h>
  66 # endif
  67
  68 # include <openssl/opensslconf.h>
  69 # include <openssl/lhash.h>
  70 # include <openssl/bio.h>
  71 # include <openssl/crypto.h>
  72 # include <openssl/symhacks.h>
  73
  74 #ifdef  __cplusplus
  75 extern "C" {
  76 #endif
  77
  78 /*-
  79 SSL_CTX -> X509_STORE
  80                 -> X509_LOOKUP
  81                         ->X509_LOOKUP_METHOD
  82                 -> X509_LOOKUP
  83                         ->X509_LOOKUP_METHOD
  84
  85 SSL     -> X509_STORE_CTX
  86                 ->X509_STORE
  87
  88 The X509_STORE holds the tables etc for verification stuff.
  89 A X509_STORE_CTX is used while validating a single certificate.
  90 The X509_STORE has X509_LOOKUPs for looking up certs.
  91 The X509_STORE then calls a function to actually verify the
  92 certificate chain.
  93 */
  94
  95 typedef enum {
  96     X509_LU_RETRY = -1,
  97     X509_LU_FAIL, X509_LU_X509, X509_LU_CRL
  98 } X509_LOOKUP_TYPE;
  99
 100
 101 DEFINE_STACK_OF(X509_LOOKUP)
 102 DEFINE_STACK_OF(X509_OBJECT)
 103 DEFINE_STACK_OF(X509_VERIFY_PARAM)
 104
 105 int X509_STORE_set_depth(X509_STORE *store, int depth);
 106
 107 # define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
 108 # define X509_STORE_set_verify_func(ctx,func)    ((ctx)->verify=(func))
 109
 110 void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
 111
 112 # define X509_STORE_CTX_set_app_data(ctx,data) \
 113         X509_STORE_CTX_set_ex_data(ctx,0,data)
 114 # define X509_STORE_CTX_get_app_data(ctx) \
 115         X509_STORE_CTX_get_ex_data(ctx,0)
 116
 117 # define X509_L_FILE_LOAD        1
 118 # define X509_L_ADD_DIR          2
 119
 120 # define X509_LOOKUP_load_file(x,name,type) \
 121                 X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
 122
 123 # define X509_LOOKUP_add_dir(x,name,type) \
 124                 X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
 125
 126 # define         X509_V_OK                                       0
 127 # define         X509_V_ERR_UNSPECIFIED                          1
 128 # define         X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT            2
 129 # define         X509_V_ERR_UNABLE_TO_GET_CRL                    3
 130 # define         X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE     4
 131 # define         X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE      5
 132 # define         X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY   6
 133 # define         X509_V_ERR_CERT_SIGNATURE_FAILURE               7
 134 # define         X509_V_ERR_CRL_SIGNATURE_FAILURE                8
 135 # define         X509_V_ERR_CERT_NOT_YET_VALID                   9
 136 # define         X509_V_ERR_CERT_HAS_EXPIRED                     10
 137 # define         X509_V_ERR_CRL_NOT_YET_VALID                    11
 138 # define         X509_V_ERR_CRL_HAS_EXPIRED                      12
 139 # define         X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD       13
 140 # define         X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD        14
 141 # define         X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD       15
 142 # define         X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD       16
 143 # define         X509_V_ERR_OUT_OF_MEM                           17
 144 # define         X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT          18
 145 # define         X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN            19
 146 # define         X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY    20
 147 # define         X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE      21
 148 # define         X509_V_ERR_CERT_CHAIN_TOO_LONG                  22
 149 # define         X509_V_ERR_CERT_REVOKED                         23
 150 # define         X509_V_ERR_INVALID_CA                           24
 151 # define         X509_V_ERR_PATH_LENGTH_EXCEEDED                 25
 152 # define         X509_V_ERR_INVALID_PURPOSE                      26
 153 # define         X509_V_ERR_CERT_UNTRUSTED                       27
 154 # define         X509_V_ERR_CERT_REJECTED                        28
 155 /* These are 'informational' when looking for issuer cert */
 156 # define         X509_V_ERR_SUBJECT_ISSUER_MISMATCH              29
 157 # define         X509_V_ERR_AKID_SKID_MISMATCH                   30
 158 # define         X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH          31
 159 # define         X509_V_ERR_KEYUSAGE_NO_CERTSIGN                 32
 160 # define         X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER             33
 161 # define         X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION         34
 162 # define         X509_V_ERR_KEYUSAGE_NO_CRL_SIGN                 35
 163 # define         X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION     36
 164 # define         X509_V_ERR_INVALID_NON_CA                       37
 165 # define         X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED           38
 166 # define         X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE        39
 167 # define         X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED       40
 168 # define         X509_V_ERR_INVALID_EXTENSION                    41
 169 # define         X509_V_ERR_INVALID_POLICY_EXTENSION             42
 170 # define         X509_V_ERR_NO_EXPLICIT_POLICY                   43
 171 # define         X509_V_ERR_DIFFERENT_CRL_SCOPE                  44
 172 # define         X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE        45
 173 # define         X509_V_ERR_UNNESTED_RESOURCE                    46
 174 # define         X509_V_ERR_PERMITTED_VIOLATION                  47
 175 # define         X509_V_ERR_EXCLUDED_VIOLATION                   48
 176 # define         X509_V_ERR_SUBTREE_MINMAX                       49
 177 /* The application is not happy */
 178 # define         X509_V_ERR_APPLICATION_VERIFICATION             50
 179 # define         X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE          51
 180 # define         X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX        52
 181 # define         X509_V_ERR_UNSUPPORTED_NAME_SYNTAX              53
 182 # define         X509_V_ERR_CRL_PATH_VALIDATION_ERROR            54
 183 /* Another issuer check debug option */
 184 # define         X509_V_ERR_PATH_LOOP                            55
 185 /* Suite B mode algorithm violation */
 186 # define         X509_V_ERR_SUITE_B_INVALID_VERSION              56
 187 # define         X509_V_ERR_SUITE_B_INVALID_ALGORITHM            57
 188 # define         X509_V_ERR_SUITE_B_INVALID_CURVE                58
 189 # define         X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM  59
 190 # define         X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED              60
 191 # define         X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256 61
 192 /* Host, email and IP check errors */
 193 # define         X509_V_ERR_HOSTNAME_MISMATCH                    62
 194 # define         X509_V_ERR_EMAIL_MISMATCH                       63
 195 # define         X509_V_ERR_IP_ADDRESS_MISMATCH                  64
 196 /* DANE TLSA errors */
 197 # define         X509_V_ERR_DANE_NO_MATCH                        65
 198 /* security level errors */
 199 # define         X509_V_ERR_EE_KEY_TOO_SMALL                     66
 200 # define         X509_V_ERR_CA_KEY_TOO_SMALL                     67
 201 # define         X509_V_ERR_CA_MD_TOO_WEAK                       68
 202
 203 /* Certificate verify flags */
 204
 205 # if OPENSSL_API_COMPAT < 0x10100000L
 206 #  define X509_V_FLAG_CB_ISSUER_CHECK             0x0   /* Deprecated */
 207 # endif
 208 /* Use check time instead of current time */
 209 # define X509_V_FLAG_USE_CHECK_TIME              0x2
 210 /* Lookup CRLs */
 211 # define X509_V_FLAG_CRL_CHECK                   0x4
 212 /* Lookup CRLs for whole chain */
 213 # define X509_V_FLAG_CRL_CHECK_ALL               0x8
 214 /* Ignore unhandled critical extensions */
 215 # define X509_V_FLAG_IGNORE_CRITICAL             0x10
 216 /* Disable workarounds for broken certificates */
 217 # define X509_V_FLAG_X509_STRICT                 0x20
 218 /* Enable proxy certificate validation */
 219 # define X509_V_FLAG_ALLOW_PROXY_CERTS           0x40
 220 /* Enable policy checking */
 221 # define X509_V_FLAG_POLICY_CHECK                0x80
 222 /* Policy variable require-explicit-policy */
 223 # define X509_V_FLAG_EXPLICIT_POLICY             0x100
 224 /* Policy variable inhibit-any-policy */
 225 # define X509_V_FLAG_INHIBIT_ANY                 0x200
 226 /* Policy variable inhibit-policy-mapping */
 227 # define X509_V_FLAG_INHIBIT_MAP                 0x400
 228 /* Notify callback that policy is OK */
 229 # define X509_V_FLAG_NOTIFY_POLICY               0x800
 230 /* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
 231 # define X509_V_FLAG_EXTENDED_CRL_SUPPORT        0x1000
 232 /* Delta CRL support */
 233 # define X509_V_FLAG_USE_DELTAS                  0x2000
 234 /* Check selfsigned CA signature */
 235 # define X509_V_FLAG_CHECK_SS_SIGNATURE          0x4000
 236 /* Use trusted store first */
 237 # define X509_V_FLAG_TRUSTED_FIRST               0x8000
 238 /* Suite B 128 bit only mode: not normally used */
 239 # define X509_V_FLAG_SUITEB_128_LOS_ONLY         0x10000
 240 /* Suite B 192 bit only mode */
 241 # define X509_V_FLAG_SUITEB_192_LOS              0x20000
 242 /* Suite B 128 bit mode allowing 192 bit algorithms */
 243 # define X509_V_FLAG_SUITEB_128_LOS              0x30000
 244 /* Allow partial chains if at least one certificate is in trusted store */
 245 # define X509_V_FLAG_PARTIAL_CHAIN               0x80000
 246 /*
 247  * If the initial chain is not trusted, do not attempt to build an alternative
 248  * chain. Alternate chain checking was introduced in 1.1.0. Setting this flag
 249  * will force the behaviour to match that of previous versions.
 250  */
 251 # define X509_V_FLAG_NO_ALT_CHAINS               0x100000
 252 /* Do not check certificate/CRL validity against current time */
 253 # define X509_V_FLAG_NO_CHECK_TIME               0x200000
 254
 255 # define X509_VP_FLAG_DEFAULT                    0x1
 256 # define X509_VP_FLAG_OVERWRITE                  0x2
 257 # define X509_VP_FLAG_RESET_FLAGS                0x4
 258 # define X509_VP_FLAG_LOCKED                     0x8
 259 # define X509_VP_FLAG_ONCE                       0x10
 260
 261 /* Internal use: mask of policy related options */
 262 # define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
 263                                 | X509_V_FLAG_EXPLICIT_POLICY \
 264                                 | X509_V_FLAG_INHIBIT_ANY \
 265                                 | X509_V_FLAG_INHIBIT_MAP)
 266
 267 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
 268                                X509_NAME *name);
 269 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
 270                                              int type, X509_NAME *name);
 271 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
 272                                         X509_OBJECT *x);
 273 void X509_OBJECT_up_ref_count(X509_OBJECT *a);
 274 void X509_OBJECT_free(X509_OBJECT *a);
 275 X509 *X509_OBJECT_get0_X509(X509_OBJECT *a);
 276 void X509_OBJECT_free_contents(X509_OBJECT *a);
 277 X509_STORE *X509_STORE_new(void);
 278 void X509_STORE_free(X509_STORE *v);
 279 int X509_STORE_up_ref(X509_STORE *v);
 280
 281 STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *st, X509_NAME *nm);
 282 STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *st, X509_NAME *nm);
 283 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
 284 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
 285 int X509_STORE_set_trust(X509_STORE *ctx, int trust);
 286 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
 287
 288 void X509_STORE_set_verify_cb(X509_STORE *ctx,
 289                               int (*verify_cb) (int, X509_STORE_CTX *));
 290
 291 void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
 292                                    STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
 293                                                               *ctx,
 294                                                               X509_NAME *nm));
 295
 296 X509_STORE_CTX *X509_STORE_CTX_new(void);
 297
 298 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
 299
 300 void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
 301 int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
 302                         X509 *x509, STACK_OF(X509) *chain);
 303 void X509_STORE_CTX_set0_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
 304 void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
 305
 306 X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx);
 307 X509 *X509_STORE_CTX_get0_cert(X509_STORE_CTX *ctx);
 308 STACK_OF(X509)* X509_STORE_CTX_get0_untrusted(X509_STORE_CTX *ctx);
 309 void X509_STORE_CTX_set0_untrusted(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
 310 typedef int (*X509_STORE_CTX_verify_cb)(int, X509_STORE_CTX *);
 311 typedef int (*X509_STORE_CTX_verify)(X509_STORE_CTX *);
 312 void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
 313                                   X509_STORE_CTX_verify_cb verify);
 314 X509_STORE_CTX_verify_cb X509_STORE_CTX_get_verify_cb(X509_STORE_CTX *ctx);
 315 void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
 316                                X509_STORE_CTX_verify verify);
 317 X509_STORE_CTX_verify X509_STORE_CTX_get_verify(X509_STORE_CTX *ctx);
 318
 319 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
 320 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
 321 X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
 322
 323 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
 324 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
 325
 326 int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
 327                               X509_OBJECT *ret);
 328 X509_OBJECT *X509_STORE_get_X509_by_subject(X509_STORE_CTX *vs, int type,
 329                                             X509_NAME *name);
 330
 331 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
 332                      long argl, char **ret);
 333
 334 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
 335 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 336 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 337
 338 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
 339 void X509_LOOKUP_free(X509_LOOKUP *ctx);
 340 int X509_LOOKUP_init(X509_LOOKUP *ctx);
 341 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
 342                            X509_OBJECT *ret);
 343 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
 344                                  ASN1_INTEGER *serial, X509_OBJECT *ret);
 345 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
 346                                unsigned char *bytes, int len,
 347                                X509_OBJECT *ret);
 348 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
 349                          X509_OBJECT *ret);
 350 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
 351
 352 int X509_STORE_load_locations(X509_STORE *ctx,
 353                               const char *file, const char *dir);
 354 int X509_STORE_set_default_paths(X509_STORE *ctx);
 355
 356 #define X509_STORE_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
 357     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, l, p, newf, dupf, freef)
 358 int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data);
 359 void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx);
 360 int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
 361 void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
 362 int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
 363 X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
 364 X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
 365 X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
 366 X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
 367 STACK_OF(X509) *X509_STORE_CTX_get0_chain(X509_STORE_CTX *ctx);
 368 STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
 369 void X509_STORE_CTX_set_cert(X509_STORE_CTX *c, X509 *x);
 370 void X509_STORE_CTX_set0_verified_chain(X509_STORE_CTX *c, STACK_OF(X509) *sk);
 371 void X509_STORE_CTX_set0_crls(X509_STORE_CTX *c, STACK_OF(X509_CRL) *sk);
 372 int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
 373 int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
 374 int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
 375                                    int purpose, int trust);
 376 void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
 377 void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
 378                              time_t t);
 379 void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
 380                                   int (*verify_cb) (int, X509_STORE_CTX *));
 381
 382 X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
 383 int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
 384 int X509_STORE_CTX_get_num_untrusted(X509_STORE_CTX *ctx);
 385
 386 X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
 387 void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
 388 int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
 389
 390 /*
 391  * Bridge opacity barrier between libcrypt and libssl, also needed to support
 392  * offline testing in test/danetest.c
 393  */
 394 void X509_STORE_CTX_set0_dane(X509_STORE_CTX *ctx, SSL_DANE *dane);
 395
 396 /* X509_VERIFY_PARAM functions */
 397
 398 X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
 399 void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
 400 int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
 401                               const X509_VERIFY_PARAM *from);
 402 int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
 403                            const X509_VERIFY_PARAM *from);
 404 int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
 405 int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param,
 406                                 unsigned long flags);
 407 int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
 408                                   unsigned long flags);
 409 unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
 410 int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
 411 int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
 412 void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
 413 void X509_VERIFY_PARAM_set_auth_level(X509_VERIFY_PARAM *param, int auth_level);
 414 void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
 415 int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
 416                                   ASN1_OBJECT *policy);
 417 int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
 418                                     STACK_OF(ASN1_OBJECT) *policies);
 419
 420 int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
 421                                 const char *name, size_t namelen);
 422 int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
 423                                 const char *name, size_t namelen);
 424 void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
 425                                      unsigned int flags);
 426 char *X509_VERIFY_PARAM_get0_peername(X509_VERIFY_PARAM *);
 427 void X509_VERIFY_PARAM_move_peername(X509_VERIFY_PARAM *, X509_VERIFY_PARAM *);
 428 int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
 429                                  const char *email, size_t emaillen);
 430 int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
 431                               const unsigned char *ip, size_t iplen);
 432 int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param,
 433                                   const char *ipasc);
 434
 435 int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
 436 int X509_VERIFY_PARAM_get_auth_level(const X509_VERIFY_PARAM *param);
 437 const char *X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM *param);
 438
 439 int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
 440 int X509_VERIFY_PARAM_get_count(void);
 441 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
 442 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
 443 void X509_VERIFY_PARAM_table_cleanup(void);
 444
 445 /* Non positive return values are errors */
 446 #define X509_PCY_TREE_FAILURE  -2 /* Failure to satisfy explicit policy */
 447 #define X509_PCY_TREE_INVALID  -1 /* Inconsistent or invalid extensions */
 448 #define X509_PCY_TREE_INTERNAL  0 /* Internal error, most likely malloc */
 449
 450 /*
 451  * Positive return values form a bit mask, all but the first are internal to
 452  * the library and don't appear in results from X509_policy_check().
 453  */
 454 #define X509_PCY_TREE_VALID     1 /* The policy tree is valid */
 455 #define X509_PCY_TREE_EMPTY     2 /* The policy tree is empty */
 456 #define X509_PCY_TREE_EXPLICIT  4 /* Explicit policy required */
 457
 458 int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
 459                       STACK_OF(X509) *certs,
 460                       STACK_OF(ASN1_OBJECT) *policy_oids, unsigned int flags);
 461
 462 void X509_policy_tree_free(X509_POLICY_TREE *tree);
 463
 464 int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
 465 X509_POLICY_LEVEL *X509_policy_tree_get0_level(const X509_POLICY_TREE *tree,
 466                                                int i);
 467
 468 STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_policies(const
 469                                                            X509_POLICY_TREE
 470                                                            *tree);
 471
 472 STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_user_policies(const
 473                                                                 X509_POLICY_TREE
 474                                                                 *tree);
 475
 476 int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
 477
 478 X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level,
 479                                               int i);
 480
 481 const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
 482
 483 STACK_OF(POLICYQUALINFO) *X509_policy_node_get0_qualifiers(const
 484                                                            X509_POLICY_NODE
 485                                                            *node);
 486 const X509_POLICY_NODE *X509_policy_node_get0_parent(const X509_POLICY_NODE
 487                                                      *node);
 488
 489 #ifdef  __cplusplus
 490 }
 491 #endif
 492 #endif