include/openssl/x509_vfy.h

   1 /* crypto/x509/x509_vfy.h */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #ifndef HEADER_X509_H
  60 #include <openssl/x509.h>
  61 /* openssl/x509.h ends up #include-ing this file at about the only
  62  * appropriate moment. */
  63 #endif
  64
  65 #ifndef HEADER_X509_VFY_H
  66 #define HEADER_X509_VFY_H
  67
  68 #include <openssl/opensslconf.h>
  69 #ifndef OPENSSL_NO_LHASH
  70 #include <openssl/lhash.h>
  71 #endif
  72 #include <openssl/bio.h>
  73 #include <openssl/crypto.h>
  74 #include <openssl/symhacks.h>
  75
  76 #ifdef  __cplusplus
  77 extern "C" {
  78 #endif
  79
  80 /* Outer object */
  81 typedef struct x509_hash_dir_st
  82         {
  83         int num_dirs;
  84         char **dirs;
  85         int *dirs_type;
  86         int num_dirs_alloced;
  87         } X509_HASH_DIR_CTX;
  88
  89 typedef struct x509_file_st
  90         {
  91         int num_paths;  /* number of paths to files or directories */
  92         int num_alloced;
  93         char **paths;   /* the list of paths or directories */
  94         int *path_type;
  95         } X509_CERT_FILE_CTX;
  96
  97 /*******************************/
  98 /*
  99 SSL_CTX -> X509_STORE
 100                 -> X509_LOOKUP
 101                         ->X509_LOOKUP_METHOD
 102                 -> X509_LOOKUP
 103                         ->X509_LOOKUP_METHOD
 104
 105 SSL     -> X509_STORE_CTX
 106                 ->X509_STORE
 107
 108 The X509_STORE holds the tables etc for verification stuff.
 109 A X509_STORE_CTX is used while validating a single certificate.
 110 The X509_STORE has X509_LOOKUPs for looking up certs.
 111 The X509_STORE then calls a function to actually verify the
 112 certificate chain.
 113 */
 114
 115 #define X509_LU_RETRY           -1
 116 #define X509_LU_FAIL            0
 117 #define X509_LU_X509            1
 118 #define X509_LU_CRL             2
 119 #define X509_LU_PKEY            3
 120
 121 typedef struct x509_object_st
 122         {
 123         /* one of the above types */
 124         int type;
 125         union   {
 126                 char *ptr;
 127                 X509 *x509;
 128                 X509_CRL *crl;
 129                 EVP_PKEY *pkey;
 130                 } data;
 131         } X509_OBJECT;
 132
 133 typedef struct x509_lookup_st X509_LOOKUP;
 134
 135 DECLARE_STACK_OF(X509_LOOKUP)
 136 DECLARE_STACK_OF(X509_OBJECT)
 137
 138 /* This is a static that defines the function interface */
 139 typedef struct x509_lookup_method_st
 140         {
 141         const char *name;
 142         int (*new_item)(X509_LOOKUP *ctx);
 143         void (*free)(X509_LOOKUP *ctx);
 144         int (*init)(X509_LOOKUP *ctx);
 145         int (*shutdown)(X509_LOOKUP *ctx);
 146         int (*ctrl)(X509_LOOKUP *ctx,int cmd,const char *argc,long argl,
 147                         char **ret);
 148         int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
 149                               X509_OBJECT *ret);
 150         int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
 151                                     ASN1_INTEGER *serial,X509_OBJECT *ret);
 152         int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
 153                                   unsigned char *bytes,int len,
 154                                   X509_OBJECT *ret);
 155         int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
 156                             X509_OBJECT *ret);
 157         } X509_LOOKUP_METHOD;
 158
 159 /* This structure hold all parameters associated with a verify operation
 160  * by including an X509_VERIFY_PARAM structure in related structures the
 161  * parameters used can be customized
 162  */
 163
 164 typedef struct X509_VERIFY_PARAM_st
 165         {
 166         char *name;
 167         time_t check_time;      /* Time to use */
 168         unsigned long inh_flags; /* Inheritance flags */
 169         unsigned long flags;    /* Various verify flags */
 170         int purpose;            /* purpose to check untrusted certificates */
 171         int trust;              /* trust setting to check */
 172         int depth;              /* Verify depth */
 173         STACK_OF(ASN1_OBJECT) *policies;        /* Permissible policies */
 174         } X509_VERIFY_PARAM;
 175
 176 DECLARE_STACK_OF(X509_VERIFY_PARAM)
 177
 178 /* This is used to hold everything.  It is used for all certificate
 179  * validation.  Once we have a certificate chain, the 'verify'
 180  * function is then called to actually check the cert chain. */
 181 struct x509_store_st
 182         {
 183         /* The following is a cache of trusted certs */
 184         int cache;      /* if true, stash any hits */
 185         STACK_OF(X509_OBJECT) *objs;    /* Cache of all objects */
 186
 187         /* These are external lookup methods */
 188         STACK_OF(X509_LOOKUP) *get_cert_methods;
 189
 190         X509_VERIFY_PARAM *param;
 191
 192         /* Callbacks for various operations */
 193         int (*verify)(X509_STORE_CTX *ctx);     /* called to verify a certificate */
 194         int (*verify_cb)(int ok,X509_STORE_CTX *ctx);   /* error callback */
 195         int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x); /* get issuers cert from ctx */
 196         int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
 197         int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
 198         int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
 199         int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
 200         int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
 201         int (*cleanup)(X509_STORE_CTX *ctx);
 202
 203         CRYPTO_EX_DATA ex_data;
 204         int references;
 205         } /* X509_STORE */;
 206
 207 int X509_STORE_set_depth(X509_STORE *store, int depth);
 208
 209 #define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
 210 #define X509_STORE_set_verify_func(ctx,func)    ((ctx)->verify=(func))
 211
 212 /* This is the functions plus an instance of the local variables. */
 213 struct x509_lookup_st
 214         {
 215         int init;                       /* have we been started */
 216         int skip;                       /* don't use us. */
 217         X509_LOOKUP_METHOD *method;     /* the functions */
 218         char *method_data;              /* method data */
 219
 220         X509_STORE *store_ctx;  /* who owns us */
 221         } /* X509_LOOKUP */;
 222
 223 /* This is a used when verifying cert chains.  Since the
 224  * gathering of the cert chain can take some time (and have to be
 225  * 'retried', this needs to be kept and passed around. */
 226 struct x509_store_ctx_st      /* X509_STORE_CTX */
 227         {
 228         X509_STORE *ctx;
 229         int current_method;     /* used when looking up certs */
 230
 231         /* The following are set by the caller */
 232         X509 *cert;             /* The cert to check */
 233         STACK_OF(X509) *untrusted;      /* chain of X509s - untrusted - passed in */
 234         STACK_OF(X509_CRL) *crls;       /* set of CRLs passed in */
 235
 236         X509_VERIFY_PARAM *param;
 237         void *other_ctx;        /* Other info for use with get_issuer() */
 238
 239         /* Callbacks for various operations */
 240         int (*verify)(X509_STORE_CTX *ctx);     /* called to verify a certificate */
 241         int (*verify_cb)(int ok,X509_STORE_CTX *ctx);           /* error callback */
 242         int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x); /* get issuers cert from ctx */
 243         int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
 244         int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
 245         int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
 246         int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
 247         int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
 248         int (*check_policy)(X509_STORE_CTX *ctx);
 249         int (*cleanup)(X509_STORE_CTX *ctx);
 250
 251         /* The following is built up */
 252         int valid;              /* if 0, rebuild chain */
 253         int last_untrusted;     /* index of last untrusted cert */
 254         STACK_OF(X509) *chain;          /* chain of X509s - built up and trusted */
 255         X509_POLICY_TREE *tree; /* Valid policy tree */
 256
 257         int explicit_policy;    /* Require explicit policy value */
 258
 259         /* When something goes wrong, this is why */
 260         int error_depth;
 261         int error;
 262         X509 *current_cert;
 263         X509 *current_issuer;   /* cert currently being tested as valid issuer */
 264         X509_CRL *current_crl;  /* current CRL */
 265
 266         CRYPTO_EX_DATA ex_data;
 267         } /* X509_STORE_CTX */;
 268
 269 void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
 270
 271 #define X509_STORE_CTX_set_app_data(ctx,data) \
 272         X509_STORE_CTX_set_ex_data(ctx,0,data)
 273 #define X509_STORE_CTX_get_app_data(ctx) \
 274         X509_STORE_CTX_get_ex_data(ctx,0)
 275
 276 #define X509_L_FILE_LOAD        1
 277 #define X509_L_ADD_DIR          2
 278
 279 #define X509_LOOKUP_load_file(x,name,type) \
 280                 X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
 281
 282 #define X509_LOOKUP_add_dir(x,name,type) \
 283                 X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
 284
 285 #define         X509_V_OK                                       0
 286 /* illegal error (for uninitialized values, to avoid X509_V_OK): 1 */
 287
 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
 321 #define         X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER             33
 322 #define         X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION         34
 323 #define         X509_V_ERR_KEYUSAGE_NO_CRL_SIGN                 35
 324 #define         X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION     36
 325 #define         X509_V_ERR_INVALID_NON_CA                       37
 326 #define         X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED           38
 327 #define         X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE        39
 328 #define         X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED       40
 329
 330 #define         X509_V_ERR_INVALID_EXTENSION                    41
 331 #define         X509_V_ERR_INVALID_POLICY_EXTENSION             42
 332 #define         X509_V_ERR_NO_EXPLICIT_POLICY                   43
 333
 334 #define         X509_V_ERR_UNNESTED_RESOURCE                    44
 335
 336 /* The application is not happy */
 337 #define         X509_V_ERR_APPLICATION_VERIFICATION             50
 338
 339 /* Certificate verify flags */
 340
 341 /* Send issuer+subject checks to verify_cb */
 342 #define X509_V_FLAG_CB_ISSUER_CHECK             0x1
 343 /* Use check time instead of current time */
 344 #define X509_V_FLAG_USE_CHECK_TIME              0x2
 345 /* Lookup CRLs */
 346 #define X509_V_FLAG_CRL_CHECK                   0x4
 347 /* Lookup CRLs for whole chain */
 348 #define X509_V_FLAG_CRL_CHECK_ALL               0x8
 349 /* Ignore unhandled critical extensions */
 350 #define X509_V_FLAG_IGNORE_CRITICAL             0x10
 351 /* Disable workarounds for broken certificates */
 352 #define X509_V_FLAG_X509_STRICT                 0x20
 353 /* Enable proxy certificate validation */
 354 #define X509_V_FLAG_ALLOW_PROXY_CERTS           0x40
 355 /* Enable policy checking */
 356 #define X509_V_FLAG_POLICY_CHECK                0x80
 357 /* Policy variable require-explicit-policy */
 358 #define X509_V_FLAG_EXPLICIT_POLICY             0x100
 359 /* Policy variable inhibit-any-policy */
 360 #define X509_V_FLAG_INHIBIT_ANY                 0x200
 361 /* Policy variable inhibit-policy-mapping */
 362 #define X509_V_FLAG_INHIBIT_MAP                 0x400
 363 /* Notify callback that policy is OK */
 364 #define X509_V_FLAG_NOTIFY_POLICY               0x800
 365
 366 #define X509_VP_FLAG_DEFAULT                    0x1
 367 #define X509_VP_FLAG_OVERWRITE                  0x2
 368 #define X509_VP_FLAG_RESET_FLAGS                0x4
 369 #define X509_VP_FLAG_LOCKED                     0x8
 370 #define X509_VP_FLAG_ONCE                       0x10
 371
 372 /* Internal use: mask of policy related options */
 373 #define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
 374                                 | X509_V_FLAG_EXPLICIT_POLICY \
 375                                 | X509_V_FLAG_INHIBIT_ANY \
 376                                 | X509_V_FLAG_INHIBIT_MAP)
 377
 378 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
 379              X509_NAME *name);
 380 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,int type,X509_NAME *name);
 381 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x);
 382 void X509_OBJECT_up_ref_count(X509_OBJECT *a);
 383 void X509_OBJECT_free_contents(X509_OBJECT *a);
 384 X509_STORE *X509_STORE_new(void );
 385 void X509_STORE_free(X509_STORE *v);
 386
 387 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
 388 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
 389 int X509_STORE_set_trust(X509_STORE *ctx, int trust);
 390 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
 391
 392 X509_STORE_CTX *X509_STORE_CTX_new(void);
 393
 394 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
 395
 396 void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
 397 int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
 398                          X509 *x509, STACK_OF(X509) *chain);
 399 void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
 400 void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
 401
 402 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
 403
 404 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
 405 X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
 406
 407 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
 408 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
 409
 410 int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
 411         X509_OBJECT *ret);
 412
 413 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
 414         long argl, char **ret);
 415
 416 #ifndef OPENSSL_NO_STDIO
 417 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
 418 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 419 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 420 #endif
 421
 422
 423 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
 424 void X509_LOOKUP_free(X509_LOOKUP *ctx);
 425 int X509_LOOKUP_init(X509_LOOKUP *ctx);
 426 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
 427         X509_OBJECT *ret);
 428 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
 429         ASN1_INTEGER *serial, X509_OBJECT *ret);
 430 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
 431         unsigned char *bytes, int len, X509_OBJECT *ret);
 432 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
 433         int len, X509_OBJECT *ret);
 434 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
 435
 436 #ifndef OPENSSL_NO_STDIO
 437 int     X509_STORE_load_locations (X509_STORE *ctx,
 438                 const char *file, const char *dir);
 439 int     X509_STORE_set_default_paths(X509_STORE *ctx);
 440 #endif
 441
 442 int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
 443         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
 444 int     X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
 445 void *  X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
 446 int     X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
 447 void    X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
 448 int     X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
 449 X509 *  X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
 450 STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
 451 STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
 452 void    X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
 453 void    X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
 454 void    X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,STACK_OF(X509_CRL) *sk);
 455 int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
 456 int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
 457 int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
 458                                 int purpose, int trust);
 459 void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
 460 void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
 461                                                                 time_t t);
 462 void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
 463                                   int (*verify_cb)(int, X509_STORE_CTX *));
 464
 465 X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
 466 int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
 467
 468 X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
 469 void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
 470 int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
 471
 472 /* X509_VERIFY_PARAM functions */
 473
 474 X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
 475 void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
 476 int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
 477                                                 const X509_VERIFY_PARAM *from);
 478 int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
 479                                                 const X509_VERIFY_PARAM *from);
 480 int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
 481 int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param, unsigned long flags);
 482 int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
 483                                                         unsigned long flags);
 484 unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
 485 int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
 486 int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
 487 void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
 488 void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
 489 int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
 490                                                 ASN1_OBJECT *policy);
 491 int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
 492                                         STACK_OF(ASN1_OBJECT) *policies);
 493 int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
 494
 495 int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
 496 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
 497 void X509_VERIFY_PARAM_table_cleanup(void);
 498
 499 int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
 500                         STACK_OF(X509) *certs,
 501                         STACK_OF(ASN1_OBJECT) *policy_oids,
 502                         unsigned int flags);
 503
 504 void X509_policy_tree_free(X509_POLICY_TREE *tree);
 505
 506 int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
 507 X509_POLICY_LEVEL *
 508         X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i);
 509
 510 STACK_OF(X509_POLICY_NODE) *
 511         X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
 512
 513 STACK_OF(X509_POLICY_NODE) *
 514         X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
 515
 516 int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
 517
 518 X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i);
 519
 520 const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
 521
 522 STACK_OF(POLICYQUALINFO) *
 523         X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
 524 const X509_POLICY_NODE *
 525         X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
 526
 527 #ifdef  __cplusplus
 528 }
 529 #endif
 530 #endif
 531