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 typedef struct x509_file_st {
  79     int num_paths;              /* number of paths to files or directories */
  80     int num_alloced;
  81     char **paths;               /* the list of paths or directories */
  82     int *path_type;
  83 } X509_CERT_FILE_CTX;
  84
  85 /*******************************/
  86 /*-
  87 SSL_CTX -> X509_STORE
  88                 -> X509_LOOKUP
  89                         ->X509_LOOKUP_METHOD
  90                 -> X509_LOOKUP
  91                         ->X509_LOOKUP_METHOD
  92
  93 SSL     -> X509_STORE_CTX
  94                 ->X509_STORE
  95
  96 The X509_STORE holds the tables etc for verification stuff.
  97 A X509_STORE_CTX is used while validating a single certificate.
  98 The X509_STORE has X509_LOOKUPs for looking up certs.
  99 The X509_STORE then calls a function to actually verify the
 100 certificate chain.
 101 */
 102
 103 typedef enum {
 104     X509_LU_RETRY = -1,
 105     X509_LU_FAIL, X509_LU_X509, X509_LU_CRL
 106 } X509_LOOKUP_TYPE;
 107
 108 typedef struct x509_object_st {
 109     /* one of the above types */
 110     X509_LOOKUP_TYPE type;
 111     union {
 112         char *ptr;
 113         X509 *x509;
 114         X509_CRL *crl;
 115         EVP_PKEY *pkey;
 116     } data;
 117 } X509_OBJECT;
 118
 119 typedef struct x509_lookup_st X509_LOOKUP;
 120
 121 DEFINE_STACK_OF(X509_LOOKUP)
 122 DEFINE_STACK_OF(X509_OBJECT)
 123
 124 /* This is a static that defines the function interface */
 125 typedef struct x509_lookup_method_st {
 126     const char *name;
 127     int (*new_item) (X509_LOOKUP *ctx);
 128     void (*free) (X509_LOOKUP *ctx);
 129     int (*init) (X509_LOOKUP *ctx);
 130     int (*shutdown) (X509_LOOKUP *ctx);
 131     int (*ctrl) (X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
 132                  char **ret);
 133     int (*get_by_subject) (X509_LOOKUP *ctx, int type, X509_NAME *name,
 134                            X509_OBJECT *ret);
 135     int (*get_by_issuer_serial) (X509_LOOKUP *ctx, int type, X509_NAME *name,
 136                                  ASN1_INTEGER *serial, X509_OBJECT *ret);
 137     int (*get_by_fingerprint) (X509_LOOKUP *ctx, int type,
 138                                unsigned char *bytes, int len,
 139                                X509_OBJECT *ret);
 140     int (*get_by_alias) (X509_LOOKUP *ctx, int type, char *str, int len,
 141                          X509_OBJECT *ret);
 142 } X509_LOOKUP_METHOD;
 143
 144 typedef struct X509_VERIFY_PARAM_st X509_VERIFY_PARAM;
 145
 146 DEFINE_STACK_OF(X509_VERIFY_PARAM)
 147
 148 /*
 149  * This is used to hold everything.  It is used for all certificate
 150  * validation.  Once we have a certificate chain, the 'verify' function is
 151  * then called to actually check the cert chain.
 152  */
 153 struct x509_store_st {
 154     /* The following is a cache of trusted certs */
 155     int cache;                  /* if true, stash any hits */
 156     STACK_OF(X509_OBJECT) *objs; /* Cache of all objects */
 157     /* These are external lookup methods */
 158     STACK_OF(X509_LOOKUP) *get_cert_methods;
 159     X509_VERIFY_PARAM *param;
 160     /* Callbacks for various operations */
 161     /* called to verify a certificate */
 162     int (*verify) (X509_STORE_CTX *ctx);
 163     /* error callback */
 164     int (*verify_cb) (int ok, X509_STORE_CTX *ctx);
 165     /* get issuers cert from ctx */
 166     int (*get_issuer) (X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
 167     /* check issued */
 168     int (*check_issued) (X509_STORE_CTX *ctx, X509 *x, X509 *issuer);
 169     /* Check revocation status of chain */
 170     int (*check_revocation) (X509_STORE_CTX *ctx);
 171     /* retrieve CRL */
 172     int (*get_crl) (X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x);
 173     /* Check CRL validity */
 174     int (*check_crl) (X509_STORE_CTX *ctx, X509_CRL *crl);
 175     /* Check certificate against CRL */
 176     int (*cert_crl) (X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x);
 177     STACK_OF(X509) *(*lookup_certs) (X509_STORE_CTX *ctx, X509_NAME *nm);
 178     STACK_OF(X509_CRL) *(*lookup_crls) (X509_STORE_CTX *ctx, X509_NAME *nm);
 179     int (*cleanup) (X509_STORE_CTX *ctx);
 180     CRYPTO_EX_DATA ex_data;
 181     int references;
 182     CRYPTO_RWLOCK *lock;
 183 } /* X509_STORE */ ;
 184
 185 int X509_STORE_set_depth(X509_STORE *store, int depth);
 186
 187 # define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
 188 # define X509_STORE_set_verify_func(ctx,func)    ((ctx)->verify=(func))
 189
 190 /* This is the functions plus an instance of the local variables. */
 191 struct x509_lookup_st {
 192     int init;                   /* have we been started */
 193     int skip;                   /* don't use us. */
 194     X509_LOOKUP_METHOD *method; /* the functions */
 195     char *method_data;          /* method data */
 196     X509_STORE *store_ctx;      /* who owns us */
 197 } /* X509_LOOKUP */ ;
 198
 199 /*
 200  * This is a used when verifying cert chains.  Since the gathering of the
 201  * cert chain can take some time (and have to be 'retried', this needs to be
 202  * kept and passed around.
 203  */
 204 struct x509_store_ctx_st {      /* X509_STORE_CTX */
 205     X509_STORE *ctx;
 206     /* used when looking up certs */
 207     int current_method;
 208     /* The following are set by the caller */
 209     /* The cert to check */
 210     X509 *cert;
 211     /* chain of X509s - untrusted - passed in */
 212     STACK_OF(X509) *untrusted;
 213     /* set of CRLs passed in */
 214     STACK_OF(X509_CRL) *crls;
 215     X509_VERIFY_PARAM *param;
 216     /* Other info for use with get_issuer() */
 217     void *other_ctx;
 218     /* Callbacks for various operations */
 219     /* called to verify a certificate */
 220     int (*verify) (X509_STORE_CTX *ctx);
 221     /* error callback */
 222     int (*verify_cb) (int ok, X509_STORE_CTX *ctx);
 223     /* get issuers cert from ctx */
 224     int (*get_issuer) (X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
 225     /* check issued */
 226     int (*check_issued) (X509_STORE_CTX *ctx, X509 *x, X509 *issuer);
 227     /* Check revocation status of chain */
 228     int (*check_revocation) (X509_STORE_CTX *ctx);
 229     /* retrieve CRL */
 230     int (*get_crl) (X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x);
 231     /* Check CRL validity */
 232     int (*check_crl) (X509_STORE_CTX *ctx, X509_CRL *crl);
 233     /* Check certificate against CRL */
 234     int (*cert_crl) (X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x);
 235     int (*check_policy) (X509_STORE_CTX *ctx);
 236     STACK_OF(X509) *(*lookup_certs) (X509_STORE_CTX *ctx, X509_NAME *nm);
 237     STACK_OF(X509_CRL) *(*lookup_crls) (X509_STORE_CTX *ctx, X509_NAME *nm);
 238     int (*cleanup) (X509_STORE_CTX *ctx);
 239     /* The following is built up */
 240     /* if 0, rebuild chain */
 241     int valid;
 242     /* number of untrusted certs */
 243     int num_untrusted;
 244     /* chain of X509s - built up and trusted */
 245     STACK_OF(X509) *chain;
 246     /* Valid policy tree */
 247     X509_POLICY_TREE *tree;
 248     /* Require explicit policy value */
 249     int explicit_policy;
 250     /* When something goes wrong, this is why */
 251     int error_depth;
 252     int error;
 253     X509 *current_cert;
 254     /* cert currently being tested as valid issuer */
 255     X509 *current_issuer;
 256     /* current CRL */
 257     X509_CRL *current_crl;
 258     /* score of current CRL */
 259     int current_crl_score;
 260     /* Reason mask */
 261     unsigned int current_reasons;
 262     /* For CRL path validation: parent context */
 263     X509_STORE_CTX *parent;
 264     CRYPTO_EX_DATA ex_data;
 265     struct dane_st *dane;
 266     /* signed via bare TA public key, rather than CA certificate */
 267     int bare_ta_signed;
 268 } /* X509_STORE_CTX */ ;
 269
 270 void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
 271
 272 # define X509_STORE_CTX_set_app_data(ctx,data) \
 273         X509_STORE_CTX_set_ex_data(ctx,0,data)
 274 # define X509_STORE_CTX_get_app_data(ctx) \
 275         X509_STORE_CTX_get_ex_data(ctx,0)
 276
 277 # define X509_L_FILE_LOAD        1
 278 # define X509_L_ADD_DIR          2
 279
 280 # define X509_LOOKUP_load_file(x,name,type) \
 281                 X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
 282
 283 # define X509_LOOKUP_add_dir(x,name,type) \
 284                 X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
 285
 286 # define         X509_V_OK                                       0
 287 # define         X509_V_ERR_UNSPECIFIED                          1
 288 # define         X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT            2
 289 # define         X509_V_ERR_UNABLE_TO_GET_CRL                    3
 290 # define         X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE     4
 291 # define         X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE      5
 292 # define         X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY   6
 293 # define         X509_V_ERR_CERT_SIGNATURE_FAILURE               7
 294 # define         X509_V_ERR_CRL_SIGNATURE_FAILURE                8
 295 # define         X509_V_ERR_CERT_NOT_YET_VALID                   9
 296 # define         X509_V_ERR_CERT_HAS_EXPIRED                     10
 297 # define         X509_V_ERR_CRL_NOT_YET_VALID                    11
 298 # define         X509_V_ERR_CRL_HAS_EXPIRED                      12
 299 # define         X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD       13
 300 # define         X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD        14
 301 # define         X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD       15
 302 # define         X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD       16
 303 # define         X509_V_ERR_OUT_OF_MEM                           17
 304 # define         X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT          18
 305 # define         X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN            19
 306 # define         X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY    20
 307 # define         X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE      21
 308 # define         X509_V_ERR_CERT_CHAIN_TOO_LONG                  22
 309 # define         X509_V_ERR_CERT_REVOKED                         23
 310 # define         X509_V_ERR_INVALID_CA                           24
 311 # define         X509_V_ERR_PATH_LENGTH_EXCEEDED                 25
 312 # define         X509_V_ERR_INVALID_PURPOSE                      26
 313 # define         X509_V_ERR_CERT_UNTRUSTED                       27
 314 # define         X509_V_ERR_CERT_REJECTED                        28
 315 /* These are 'informational' when looking for issuer cert */
 316 # define         X509_V_ERR_SUBJECT_ISSUER_MISMATCH              29
 317 # define         X509_V_ERR_AKID_SKID_MISMATCH                   30
 318 # define         X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH          31
 319 # define         X509_V_ERR_KEYUSAGE_NO_CERTSIGN                 32
 320 # define         X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER             33
 321 # define         X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION         34
 322 # define         X509_V_ERR_KEYUSAGE_NO_CRL_SIGN                 35
 323 # define         X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION     36
 324 # define         X509_V_ERR_INVALID_NON_CA                       37
 325 # define         X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED           38
 326 # define         X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE        39
 327 # define         X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED       40
 328 # define         X509_V_ERR_INVALID_EXTENSION                    41
 329 # define         X509_V_ERR_INVALID_POLICY_EXTENSION             42
 330 # define         X509_V_ERR_NO_EXPLICIT_POLICY                   43
 331 # define         X509_V_ERR_DIFFERENT_CRL_SCOPE                  44
 332 # define         X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE        45
 333 # define         X509_V_ERR_UNNESTED_RESOURCE                    46
 334 # define         X509_V_ERR_PERMITTED_VIOLATION                  47
 335 # define         X509_V_ERR_EXCLUDED_VIOLATION                   48
 336 # define         X509_V_ERR_SUBTREE_MINMAX                       49
 337 /* The application is not happy */
 338 # define         X509_V_ERR_APPLICATION_VERIFICATION             50
 339 # define         X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE          51
 340 # define         X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX        52
 341 # define         X509_V_ERR_UNSUPPORTED_NAME_SYNTAX              53
 342 # define         X509_V_ERR_CRL_PATH_VALIDATION_ERROR            54
 343 /* Another issuer check debug option */
 344 # define         X509_V_ERR_PATH_LOOP                            55
 345 /* Suite B mode algorithm violation */
 346 # define         X509_V_ERR_SUITE_B_INVALID_VERSION              56
 347 # define         X509_V_ERR_SUITE_B_INVALID_ALGORITHM            57
 348 # define         X509_V_ERR_SUITE_B_INVALID_CURVE                58
 349 # define         X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM  59
 350 # define         X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED              60
 351 # define         X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256 61
 352 /* Host, email and IP check errors */
 353 # define         X509_V_ERR_HOSTNAME_MISMATCH                    62
 354 # define         X509_V_ERR_EMAIL_MISMATCH                       63
 355 # define         X509_V_ERR_IP_ADDRESS_MISMATCH                  64
 356 /* DANE TLSA errors */
 357 # define         X509_V_ERR_DANE_NO_MATCH                        65
 358
 359
 360 /* Certificate verify flags */
 361
 362 # if OPENSSL_API_COMPAT < 0x10100000L
 363 #  define X509_V_FLAG_CB_ISSUER_CHECK             0x0   /* Deprecated */
 364 # endif
 365 /* Use check time instead of current time */
 366 # define X509_V_FLAG_USE_CHECK_TIME              0x2
 367 /* Lookup CRLs */
 368 # define X509_V_FLAG_CRL_CHECK                   0x4
 369 /* Lookup CRLs for whole chain */
 370 # define X509_V_FLAG_CRL_CHECK_ALL               0x8
 371 /* Ignore unhandled critical extensions */
 372 # define X509_V_FLAG_IGNORE_CRITICAL             0x10
 373 /* Disable workarounds for broken certificates */
 374 # define X509_V_FLAG_X509_STRICT                 0x20
 375 /* Enable proxy certificate validation */
 376 # define X509_V_FLAG_ALLOW_PROXY_CERTS           0x40
 377 /* Enable policy checking */
 378 # define X509_V_FLAG_POLICY_CHECK                0x80
 379 /* Policy variable require-explicit-policy */
 380 # define X509_V_FLAG_EXPLICIT_POLICY             0x100
 381 /* Policy variable inhibit-any-policy */
 382 # define X509_V_FLAG_INHIBIT_ANY                 0x200
 383 /* Policy variable inhibit-policy-mapping */
 384 # define X509_V_FLAG_INHIBIT_MAP                 0x400
 385 /* Notify callback that policy is OK */
 386 # define X509_V_FLAG_NOTIFY_POLICY               0x800
 387 /* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
 388 # define X509_V_FLAG_EXTENDED_CRL_SUPPORT        0x1000
 389 /* Delta CRL support */
 390 # define X509_V_FLAG_USE_DELTAS                  0x2000
 391 /* Check selfsigned CA signature */
 392 # define X509_V_FLAG_CHECK_SS_SIGNATURE          0x4000
 393 /* Use trusted store first */
 394 # define X509_V_FLAG_TRUSTED_FIRST               0x8000
 395 /* Suite B 128 bit only mode: not normally used */
 396 # define X509_V_FLAG_SUITEB_128_LOS_ONLY         0x10000
 397 /* Suite B 192 bit only mode */
 398 # define X509_V_FLAG_SUITEB_192_LOS              0x20000
 399 /* Suite B 128 bit mode allowing 192 bit algorithms */
 400 # define X509_V_FLAG_SUITEB_128_LOS              0x30000
 401 /* Allow partial chains if at least one certificate is in trusted store */
 402 # define X509_V_FLAG_PARTIAL_CHAIN               0x80000
 403 /*
 404  * If the initial chain is not trusted, do not attempt to build an alternative
 405  * chain. Alternate chain checking was introduced in 1.1.0. Setting this flag
 406  * will force the behaviour to match that of previous versions.
 407  */
 408 # define X509_V_FLAG_NO_ALT_CHAINS               0x100000
 409 /* Do not check certificate/CRL validity against current time */
 410 # define X509_V_FLAG_NO_CHECK_TIME               0x200000
 411
 412 # define X509_VP_FLAG_DEFAULT                    0x1
 413 # define X509_VP_FLAG_OVERWRITE                  0x2
 414 # define X509_VP_FLAG_RESET_FLAGS                0x4
 415 # define X509_VP_FLAG_LOCKED                     0x8
 416 # define X509_VP_FLAG_ONCE                       0x10
 417
 418 /* Internal use: mask of policy related options */
 419 # define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
 420                                 | X509_V_FLAG_EXPLICIT_POLICY \
 421                                 | X509_V_FLAG_INHIBIT_ANY \
 422                                 | X509_V_FLAG_INHIBIT_MAP)
 423
 424 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
 425                                X509_NAME *name);
 426 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
 427                                              int type, X509_NAME *name);
 428 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
 429                                         X509_OBJECT *x);
 430 void X509_OBJECT_up_ref_count(X509_OBJECT *a);
 431 void X509_OBJECT_free_contents(X509_OBJECT *a);
 432 X509_STORE *X509_STORE_new(void);
 433 void X509_STORE_free(X509_STORE *v);
 434 int X509_STORE_up_ref(X509_STORE *v);
 435
 436 STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *st, X509_NAME *nm);
 437 STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *st, X509_NAME *nm);
 438 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
 439 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
 440 int X509_STORE_set_trust(X509_STORE *ctx, int trust);
 441 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
 442
 443 void X509_STORE_set_verify_cb(X509_STORE *ctx,
 444                               int (*verify_cb) (int, X509_STORE_CTX *));
 445
 446 void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
 447                                    STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
 448                                                               *ctx,
 449                                                               X509_NAME *nm));
 450
 451 X509_STORE_CTX *X509_STORE_CTX_new(void);
 452
 453 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
 454
 455 void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
 456 int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
 457                         X509 *x509, STACK_OF(X509) *chain);
 458 void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
 459 void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
 460
 461 X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx);
 462
 463 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
 464 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
 465 X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
 466
 467 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
 468 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
 469
 470 int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
 471                               X509_OBJECT *ret);
 472
 473 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
 474                      long argl, char **ret);
 475
 476 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
 477 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 478 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 479
 480 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
 481 void X509_LOOKUP_free(X509_LOOKUP *ctx);
 482 int X509_LOOKUP_init(X509_LOOKUP *ctx);
 483 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
 484                            X509_OBJECT *ret);
 485 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
 486                                  ASN1_INTEGER *serial, X509_OBJECT *ret);
 487 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
 488                                unsigned char *bytes, int len,
 489                                X509_OBJECT *ret);
 490 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
 491                          X509_OBJECT *ret);
 492 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
 493
 494 int X509_STORE_load_locations(X509_STORE *ctx,
 495                               const char *file, const char *dir);
 496 int X509_STORE_set_default_paths(X509_STORE *ctx);
 497
 498 #define X509_STORE_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
 499     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, l, p, newf, dupf, freef)
 500 int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data);
 501 void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx);
 502 int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
 503 void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
 504 int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
 505 X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
 506 X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
 507 X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
 508 X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
 509 STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
 510 STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
 511 void X509_STORE_CTX_set_cert(X509_STORE_CTX *c, X509 *x);
 512 void X509_STORE_CTX_set_chain(X509_STORE_CTX *c, STACK_OF(X509) *sk);
 513 void X509_STORE_CTX_set0_crls(X509_STORE_CTX *c, STACK_OF(X509_CRL) *sk);
 514 int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
 515 int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
 516 int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
 517                                    int purpose, int trust);
 518 void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
 519 void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
 520                              time_t t);
 521 void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
 522                                   int (*verify_cb) (int, X509_STORE_CTX *));
 523
 524 X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
 525 int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
 526 int X509_STORE_CTX_get_num_untrusted(X509_STORE_CTX *ctx);
 527
 528 X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
 529 void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
 530 int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
 531
 532 /*
 533  * Bridge opacity barrier between libcrypt and libssl, also needed to support
 534  * offline testing in test/danetest.c
 535  */
 536 void X509_STORE_CTX_set0_dane(X509_STORE_CTX *ctx, struct dane_st *dane);
 537
 538 /* X509_VERIFY_PARAM functions */
 539
 540 X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
 541 void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
 542 int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
 543                               const X509_VERIFY_PARAM *from);
 544 int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
 545                            const X509_VERIFY_PARAM *from);
 546 int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
 547 int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param,
 548                                 unsigned long flags);
 549 int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
 550                                   unsigned long flags);
 551 unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
 552 int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
 553 int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
 554 void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
 555 void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
 556 int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
 557                                   ASN1_OBJECT *policy);
 558 int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
 559                                     STACK_OF(ASN1_OBJECT) *policies);
 560
 561 int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
 562                                 const char *name, size_t namelen);
 563 int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
 564                                 const char *name, size_t namelen);
 565 void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
 566                                      unsigned int flags);
 567 char *X509_VERIFY_PARAM_get0_peername(X509_VERIFY_PARAM *);
 568 void X509_VERIFY_PARAM_move_peername(X509_VERIFY_PARAM *, X509_VERIFY_PARAM *);
 569 int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
 570                                  const char *email, size_t emaillen);
 571 int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
 572                               const unsigned char *ip, size_t iplen);
 573 int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param,
 574                                   const char *ipasc);
 575
 576 int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
 577 const char *X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM *param);
 578
 579 int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
 580 int X509_VERIFY_PARAM_get_count(void);
 581 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
 582 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
 583 void X509_VERIFY_PARAM_table_cleanup(void);
 584
 585 /* Non positive return values are errors */
 586 #define X509_PCY_TREE_FAILURE  -2 /* Failure to satisfy explicit policy */
 587 #define X509_PCY_TREE_INVALID  -1 /* Inconsistent or invalid extensions */
 588 #define X509_PCY_TREE_INTERNAL  0 /* Internal error, most likely malloc */
 589
 590 /*
 591  * Positive return values form a bit mask, all but the first are internal to
 592  * the library and don't appear in results from X509_policy_check().
 593  */
 594 #define X509_PCY_TREE_VALID     1 /* The policy tree is valid */
 595 #define X509_PCY_TREE_EMPTY     2 /* The policy tree is empty */
 596 #define X509_PCY_TREE_EXPLICIT  4 /* Explicit policy required */
 597
 598 int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
 599                       STACK_OF(X509) *certs,
 600                       STACK_OF(ASN1_OBJECT) *policy_oids, unsigned int flags);
 601
 602 void X509_policy_tree_free(X509_POLICY_TREE *tree);
 603
 604 int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
 605 X509_POLICY_LEVEL *X509_policy_tree_get0_level(const X509_POLICY_TREE *tree,
 606                                                int i);
 607
 608 STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_policies(const
 609                                                            X509_POLICY_TREE
 610                                                            *tree);
 611
 612 STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_user_policies(const
 613                                                                 X509_POLICY_TREE
 614                                                                 *tree);
 615
 616 int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
 617
 618 X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level,
 619                                               int i);
 620
 621 const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
 622
 623 STACK_OF(POLICYQUALINFO) *X509_policy_node_get0_qualifiers(const
 624                                                            X509_POLICY_NODE
 625                                                            *node);
 626 const X509_POLICY_NODE *X509_policy_node_get0_parent(const X509_POLICY_NODE
 627                                                      *node);
 628
 629 #ifdef  __cplusplus
 630 }
 631 #endif
 632 #endif