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      1 /* crypto/x509/x509_vfy.h */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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/bio.h>
     69 #include <openssl/lhash.h>
     70 #include <openssl/thread.h>
     71 
     72 #ifdef  __cplusplus
     73 extern "C" {
     74 #endif
     75 
     76 #if 0
     77 /* Outer object */
     78 typedef struct x509_hash_dir_st
     79 	{
     80 	int num_dirs;
     81 	char **dirs;
     82 	int *dirs_type;
     83 	int num_dirs_alloced;
     84 	} X509_HASH_DIR_CTX;
     85 #endif
     86 
     87 typedef struct x509_file_st
     88 	{
     89 	int num_paths;	/* number of paths to files or directories */
     90 	int num_alloced;
     91 	char **paths;	/* the list of paths or directories */
     92 	int *path_type;
     93 	} X509_CERT_FILE_CTX;
     94 
     95 /*******************************/
     96 /*
     97 SSL_CTX -> X509_STORE
     98 		-> X509_LOOKUP
     99 			->X509_LOOKUP_METHOD
    100 		-> X509_LOOKUP
    101 			->X509_LOOKUP_METHOD
    102 
    103 SSL	-> X509_STORE_CTX
    104 		->X509_STORE
    105 
    106 The X509_STORE holds the tables etc for verification stuff.
    107 A X509_STORE_CTX is used while validating a single certificate.
    108 The X509_STORE has X509_LOOKUPs for looking up certs.
    109 The X509_STORE then calls a function to actually verify the
    110 certificate chain.
    111 */
    112 
    113 #define X509_LU_RETRY		-1
    114 #define X509_LU_FAIL		0
    115 #define X509_LU_X509		1
    116 #define X509_LU_CRL		2
    117 #define X509_LU_PKEY		3
    118 
    119 typedef struct x509_object_st
    120 	{
    121 	/* one of the above types */
    122 	int type;
    123 	union	{
    124 		char *ptr;
    125 		X509 *x509;
    126 		X509_CRL *crl;
    127 		EVP_PKEY *pkey;
    128 		} data;
    129 	} X509_OBJECT;
    130 
    131 typedef struct x509_lookup_st X509_LOOKUP;
    132 
    133 DECLARE_STACK_OF(X509_LOOKUP)
    134 DECLARE_STACK_OF(X509_OBJECT)
    135 
    136 /* This is a static that defines the function interface */
    137 typedef struct x509_lookup_method_st
    138 	{
    139 	const char *name;
    140 	int (*new_item)(X509_LOOKUP *ctx);
    141 	void (*free)(X509_LOOKUP *ctx);
    142 	int (*init)(X509_LOOKUP *ctx);
    143 	int (*shutdown)(X509_LOOKUP *ctx);
    144 	int (*ctrl)(X509_LOOKUP *ctx,int cmd,const char *argc,long argl,
    145 			char **ret);
    146 	int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
    147 			      X509_OBJECT *ret);
    148 	int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
    149 				    ASN1_INTEGER *serial,X509_OBJECT *ret);
    150 	int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
    151 				  unsigned char *bytes,int len,
    152 				  X509_OBJECT *ret);
    153 	int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
    154 			    X509_OBJECT *ret);
    155 	} X509_LOOKUP_METHOD;
    156 
    157 typedef struct X509_VERIFY_PARAM_ID_st X509_VERIFY_PARAM_ID;
    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_ID *id;	/* opaque ID data */
    175 	} X509_VERIFY_PARAM;
    176 
    177 DECLARE_STACK_OF(X509_VERIFY_PARAM)
    178 
    179 /* This is used to hold everything.  It is used for all certificate
    180  * validation.  Once we have a certificate chain, the 'verify'
    181  * function is then called to actually check the cert chain. */
    182 struct x509_store_st
    183 	{
    184 	/* The following is a cache of trusted certs */
    185 	int cache; 	/* if true, stash any hits */
    186 	STACK_OF(X509_OBJECT) *objs;	/* Cache of all objects */
    187 	CRYPTO_MUTEX objs_lock;
    188 
    189 	/* These are external lookup methods */
    190 	STACK_OF(X509_LOOKUP) *get_cert_methods;
    191 
    192 	X509_VERIFY_PARAM *param;
    193 
    194 	/* Callbacks for various operations */
    195 	int (*verify)(X509_STORE_CTX *ctx);	/* called to verify a certificate */
    196 	int (*verify_cb)(int ok,X509_STORE_CTX *ctx);	/* error callback */
    197 	int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);	/* get issuers cert from ctx */
    198 	int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
    199 	int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
    200 	int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
    201 	int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
    202 	int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
    203 	STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
    204 	STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
    205 	int (*cleanup)(X509_STORE_CTX *ctx);
    206 
    207 	CRYPTO_refcount_t references;
    208 	} /* X509_STORE */;
    209 
    210 OPENSSL_EXPORT int X509_STORE_set_depth(X509_STORE *store, int depth);
    211 
    212 #define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
    213 #define X509_STORE_set_verify_func(ctx,func)	((ctx)->verify=(func))
    214 
    215 /* This is the functions plus an instance of the local variables. */
    216 struct x509_lookup_st
    217 	{
    218 	int init;			/* have we been started */
    219 	int skip;			/* don't use us. */
    220 	X509_LOOKUP_METHOD *method;	/* the functions */
    221 	char *method_data;		/* method data */
    222 
    223 	X509_STORE *store_ctx;	/* who owns us */
    224 	} /* X509_LOOKUP */;
    225 
    226 /* This is a used when verifying cert chains.  Since the
    227  * gathering of the cert chain can take some time (and have to be
    228  * 'retried', this needs to be kept and passed around. */
    229 struct x509_store_ctx_st      /* X509_STORE_CTX */
    230 	{
    231 	X509_STORE *ctx;
    232 	int current_method;	/* used when looking up certs */
    233 
    234 	/* The following are set by the caller */
    235 	X509 *cert;		/* The cert to check */
    236 	STACK_OF(X509) *untrusted;	/* chain of X509s - untrusted - passed in */
    237 	STACK_OF(X509_CRL) *crls;	/* set of CRLs passed in */
    238 
    239 	X509_VERIFY_PARAM *param;
    240 	void *other_ctx;	/* Other info for use with get_issuer() */
    241 
    242 	/* Callbacks for various operations */
    243 	int (*verify)(X509_STORE_CTX *ctx);	/* called to verify a certificate */
    244 	int (*verify_cb)(int ok,X509_STORE_CTX *ctx);		/* error callback */
    245 	int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);	/* get issuers cert from ctx */
    246 	int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
    247 	int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
    248 	int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
    249 	int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
    250 	int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
    251 	int (*check_policy)(X509_STORE_CTX *ctx);
    252 	STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
    253 	STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
    254 	int (*cleanup)(X509_STORE_CTX *ctx);
    255 
    256 	/* The following is built up */
    257 	int valid;		/* if 0, rebuild chain */
    258 	int last_untrusted;	/* index of last untrusted cert */
    259 	STACK_OF(X509) *chain; 		/* chain of X509s - built up and trusted */
    260 	X509_POLICY_TREE *tree;	/* Valid policy tree */
    261 
    262 	int explicit_policy;	/* Require explicit policy value */
    263 
    264 	/* When something goes wrong, this is why */
    265 	int error_depth;
    266 	int error;
    267 	X509 *current_cert;
    268 	X509 *current_issuer;	/* cert currently being tested as valid issuer */
    269 	X509_CRL *current_crl;	/* current CRL */
    270 
    271 	int current_crl_score;  /* score of current CRL */
    272 	unsigned int current_reasons;  /* Reason mask */
    273 
    274 	X509_STORE_CTX *parent; /* For CRL path validation: parent context */
    275 
    276 	CRYPTO_EX_DATA ex_data;
    277 	} /* X509_STORE_CTX */;
    278 
    279 OPENSSL_EXPORT void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
    280 
    281 #define X509_STORE_CTX_set_app_data(ctx,data) \
    282 	X509_STORE_CTX_set_ex_data(ctx,0,data)
    283 #define X509_STORE_CTX_get_app_data(ctx) \
    284 	X509_STORE_CTX_get_ex_data(ctx,0)
    285 
    286 #define X509_L_FILE_LOAD	1
    287 #define X509_L_ADD_DIR		2
    288 
    289 #define X509_LOOKUP_load_file(x,name,type) \
    290 		X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
    291 
    292 #define X509_LOOKUP_add_dir(x,name,type) \
    293 		X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
    294 
    295 #define		X509_V_OK					0
    296 /* illegal error (for uninitialized values, to avoid X509_V_OK): 1 */
    297 
    298 #define		X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT		2
    299 #define		X509_V_ERR_UNABLE_TO_GET_CRL			3
    300 #define		X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE	4
    301 #define		X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE	5
    302 #define		X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY	6
    303 #define		X509_V_ERR_CERT_SIGNATURE_FAILURE		7
    304 #define		X509_V_ERR_CRL_SIGNATURE_FAILURE		8
    305 #define		X509_V_ERR_CERT_NOT_YET_VALID			9
    306 #define		X509_V_ERR_CERT_HAS_EXPIRED			10
    307 #define		X509_V_ERR_CRL_NOT_YET_VALID			11
    308 #define		X509_V_ERR_CRL_HAS_EXPIRED			12
    309 #define		X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD	13
    310 #define		X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD	14
    311 #define		X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD	15
    312 #define		X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD	16
    313 #define		X509_V_ERR_OUT_OF_MEM				17
    314 #define		X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT		18
    315 #define		X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN		19
    316 #define		X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY	20
    317 #define		X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE	21
    318 #define		X509_V_ERR_CERT_CHAIN_TOO_LONG			22
    319 #define		X509_V_ERR_CERT_REVOKED				23
    320 #define		X509_V_ERR_INVALID_CA				24
    321 #define		X509_V_ERR_PATH_LENGTH_EXCEEDED			25
    322 #define		X509_V_ERR_INVALID_PURPOSE			26
    323 #define		X509_V_ERR_CERT_UNTRUSTED			27
    324 #define		X509_V_ERR_CERT_REJECTED			28
    325 /* These are 'informational' when looking for issuer cert */
    326 #define		X509_V_ERR_SUBJECT_ISSUER_MISMATCH		29
    327 #define		X509_V_ERR_AKID_SKID_MISMATCH			30
    328 #define		X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH		31
    329 #define		X509_V_ERR_KEYUSAGE_NO_CERTSIGN			32
    330 
    331 #define		X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER		33
    332 #define		X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION		34
    333 #define		X509_V_ERR_KEYUSAGE_NO_CRL_SIGN			35
    334 #define		X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION	36
    335 #define		X509_V_ERR_INVALID_NON_CA			37
    336 #define		X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED		38
    337 #define		X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE	39
    338 #define		X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED	40
    339 
    340 #define		X509_V_ERR_INVALID_EXTENSION			41
    341 #define		X509_V_ERR_INVALID_POLICY_EXTENSION		42
    342 #define		X509_V_ERR_NO_EXPLICIT_POLICY			43
    343 #define		X509_V_ERR_DIFFERENT_CRL_SCOPE			44
    344 #define		X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE	45
    345 
    346 #define		X509_V_ERR_UNNESTED_RESOURCE			46
    347 
    348 #define		X509_V_ERR_PERMITTED_VIOLATION			47
    349 #define		X509_V_ERR_EXCLUDED_VIOLATION			48
    350 #define		X509_V_ERR_SUBTREE_MINMAX			49
    351 #define		X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE		51
    352 #define		X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX	52
    353 #define		X509_V_ERR_UNSUPPORTED_NAME_SYNTAX		53
    354 #define		X509_V_ERR_CRL_PATH_VALIDATION_ERROR		54
    355 
    356 /* Suite B mode algorithm violation */
    357 #define		X509_V_ERR_SUITE_B_INVALID_VERSION		56
    358 #define		X509_V_ERR_SUITE_B_INVALID_ALGORITHM		57
    359 #define		X509_V_ERR_SUITE_B_INVALID_CURVE		58
    360 #define		X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM	59
    361 #define		X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED		60
    362 #define		X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256	61
    363 
    364 /* Host, email and IP check errors */
    365 #define		X509_V_ERR_HOSTNAME_MISMATCH			62
    366 #define		X509_V_ERR_EMAIL_MISMATCH			63
    367 #define		X509_V_ERR_IP_ADDRESS_MISMATCH			64
    368 
    369 /* The application is not happy */
    370 #define		X509_V_ERR_APPLICATION_VERIFICATION		50
    371 
    372 /* Certificate verify flags */
    373 
    374 /* Send issuer+subject checks to verify_cb */
    375 #define	X509_V_FLAG_CB_ISSUER_CHECK		0x1
    376 /* Use check time instead of current time */
    377 #define	X509_V_FLAG_USE_CHECK_TIME		0x2
    378 /* Lookup CRLs */
    379 #define	X509_V_FLAG_CRL_CHECK			0x4
    380 /* Lookup CRLs for whole chain */
    381 #define	X509_V_FLAG_CRL_CHECK_ALL		0x8
    382 /* Ignore unhandled critical extensions */
    383 #define	X509_V_FLAG_IGNORE_CRITICAL		0x10
    384 /* Disable workarounds for broken certificates */
    385 #define	X509_V_FLAG_X509_STRICT			0x20
    386 /* Enable proxy certificate validation */
    387 #define	X509_V_FLAG_ALLOW_PROXY_CERTS		0x40
    388 /* Enable policy checking */
    389 #define X509_V_FLAG_POLICY_CHECK		0x80
    390 /* Policy variable require-explicit-policy */
    391 #define X509_V_FLAG_EXPLICIT_POLICY		0x100
    392 /* Policy variable inhibit-any-policy */
    393 #define	X509_V_FLAG_INHIBIT_ANY			0x200
    394 /* Policy variable inhibit-policy-mapping */
    395 #define X509_V_FLAG_INHIBIT_MAP			0x400
    396 /* Notify callback that policy is OK */
    397 #define X509_V_FLAG_NOTIFY_POLICY		0x800
    398 /* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
    399 #define X509_V_FLAG_EXTENDED_CRL_SUPPORT	0x1000
    400 /* Delta CRL support */
    401 #define X509_V_FLAG_USE_DELTAS			0x2000
    402 /* Check selfsigned CA signature */
    403 #define X509_V_FLAG_CHECK_SS_SIGNATURE		0x4000
    404 /* Use trusted store first */
    405 #define X509_V_FLAG_TRUSTED_FIRST		0x8000
    406 /* Suite B 128 bit only mode: not normally used */
    407 #define X509_V_FLAG_SUITEB_128_LOS_ONLY		0x10000
    408 /* Suite B 192 bit only mode */
    409 #define X509_V_FLAG_SUITEB_192_LOS		0x20000
    410 /* Suite B 128 bit mode allowing 192 bit algorithms */
    411 #define X509_V_FLAG_SUITEB_128_LOS		0x30000
    412 
    413 /* Allow partial chains if at least one certificate is in trusted store */
    414 #define X509_V_FLAG_PARTIAL_CHAIN		0x80000
    415 
    416 #define X509_VP_FLAG_DEFAULT			0x1
    417 #define X509_VP_FLAG_OVERWRITE			0x2
    418 #define X509_VP_FLAG_RESET_FLAGS		0x4
    419 #define X509_VP_FLAG_LOCKED			0x8
    420 #define X509_VP_FLAG_ONCE			0x10
    421 
    422 /* Internal use: mask of policy related options */
    423 #define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
    424 				| X509_V_FLAG_EXPLICIT_POLICY \
    425 				| X509_V_FLAG_INHIBIT_ANY \
    426 				| X509_V_FLAG_INHIBIT_MAP)
    427 
    428 OPENSSL_EXPORT int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
    429 	     X509_NAME *name);
    430 OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,int type,X509_NAME *name);
    431 OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x);
    432 OPENSSL_EXPORT void X509_OBJECT_up_ref_count(X509_OBJECT *a);
    433 OPENSSL_EXPORT void X509_OBJECT_free_contents(X509_OBJECT *a);
    434 OPENSSL_EXPORT X509_STORE *X509_STORE_new(void );
    435 OPENSSL_EXPORT void X509_STORE_free(X509_STORE *v);
    436 
    437 OPENSSL_EXPORT STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *st, X509_NAME *nm);
    438 OPENSSL_EXPORT STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *st, X509_NAME *nm);
    439 OPENSSL_EXPORT int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
    440 OPENSSL_EXPORT int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
    441 OPENSSL_EXPORT int X509_STORE_set_trust(X509_STORE *ctx, int trust);
    442 OPENSSL_EXPORT int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
    443 
    444 OPENSSL_EXPORT void X509_STORE_set_verify_cb(X509_STORE *ctx,
    445 				  int (*verify_cb)(int, X509_STORE_CTX *));
    446 
    447 OPENSSL_EXPORT void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
    448 		STACK_OF(X509_CRL)* (*cb)(X509_STORE_CTX *ctx, X509_NAME *nm));
    449 
    450 OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_new(void);
    451 
    452 OPENSSL_EXPORT int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
    453 
    454 OPENSSL_EXPORT void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
    455 OPENSSL_EXPORT int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
    456 			 X509 *x509, STACK_OF(X509) *chain);
    457 OPENSSL_EXPORT void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
    458 OPENSSL_EXPORT void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
    459 
    460 OPENSSL_EXPORT X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx);
    461 
    462 OPENSSL_EXPORT X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
    463 
    464 OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
    465 OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
    466 
    467 OPENSSL_EXPORT int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
    468 OPENSSL_EXPORT int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
    469 
    470 OPENSSL_EXPORT int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
    471 	X509_OBJECT *ret);
    472 
    473 OPENSSL_EXPORT int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
    474 	long argl, char **ret);
    475 
    476 #ifndef OPENSSL_NO_STDIO
    477 OPENSSL_EXPORT int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
    478 OPENSSL_EXPORT int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
    479 OPENSSL_EXPORT int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
    480 #endif
    481 
    482 
    483 OPENSSL_EXPORT X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
    484 OPENSSL_EXPORT void X509_LOOKUP_free(X509_LOOKUP *ctx);
    485 OPENSSL_EXPORT int X509_LOOKUP_init(X509_LOOKUP *ctx);
    486 OPENSSL_EXPORT int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
    487 	X509_OBJECT *ret);
    488 OPENSSL_EXPORT int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
    489 	ASN1_INTEGER *serial, X509_OBJECT *ret);
    490 OPENSSL_EXPORT int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
    491 	unsigned char *bytes, int len, X509_OBJECT *ret);
    492 OPENSSL_EXPORT int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
    493 	int len, X509_OBJECT *ret);
    494 OPENSSL_EXPORT int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
    495 
    496 #ifndef OPENSSL_NO_STDIO
    497 OPENSSL_EXPORT int	X509_STORE_load_locations (X509_STORE *ctx,
    498 		const char *file, const char *dir);
    499 OPENSSL_EXPORT int	X509_STORE_set_default_paths(X509_STORE *ctx);
    500 #endif
    501 
    502 OPENSSL_EXPORT int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
    503 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
    504 OPENSSL_EXPORT int	X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
    505 OPENSSL_EXPORT void *	X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
    506 OPENSSL_EXPORT int	X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
    507 OPENSSL_EXPORT void	X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
    508 OPENSSL_EXPORT int	X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
    509 OPENSSL_EXPORT X509 *	X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
    510 OPENSSL_EXPORT X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
    511 OPENSSL_EXPORT X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
    512 OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
    513 OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
    514 OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
    515 OPENSSL_EXPORT void	X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
    516 OPENSSL_EXPORT void	X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
    517 OPENSSL_EXPORT void	X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,STACK_OF(X509_CRL) *sk);
    518 OPENSSL_EXPORT int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
    519 OPENSSL_EXPORT int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
    520 OPENSSL_EXPORT int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
    521 				int purpose, int trust);
    522 OPENSSL_EXPORT void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
    523 OPENSSL_EXPORT void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
    524 								time_t t);
    525 OPENSSL_EXPORT void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
    526 				  int (*verify_cb)(int, X509_STORE_CTX *));
    527 
    528 OPENSSL_EXPORT X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
    529 OPENSSL_EXPORT int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
    530 
    531 OPENSSL_EXPORT X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
    532 OPENSSL_EXPORT void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
    533 OPENSSL_EXPORT int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
    534 
    535 /* X509_VERIFY_PARAM functions */
    536 
    537 OPENSSL_EXPORT X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
    538 OPENSSL_EXPORT void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
    539 OPENSSL_EXPORT int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
    540 						const X509_VERIFY_PARAM *from);
    541 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
    542 						const X509_VERIFY_PARAM *from);
    543 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
    544 OPENSSL_EXPORT int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param, unsigned long flags);
    545 OPENSSL_EXPORT int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
    546 							unsigned long flags);
    547 OPENSSL_EXPORT unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
    548 OPENSSL_EXPORT int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
    549 OPENSSL_EXPORT int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
    550 OPENSSL_EXPORT void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
    551 OPENSSL_EXPORT void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
    552 OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
    553 						ASN1_OBJECT *policy);
    554 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
    555 					STACK_OF(ASN1_OBJECT) *policies);
    556 
    557 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
    558 				const char *name, size_t namelen);
    559 OPENSSL_EXPORT int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
    560 					       const char *name,
    561 					       size_t namelen);
    562 OPENSSL_EXPORT void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
    563 					unsigned int flags);
    564 OPENSSL_EXPORT char *X509_VERIFY_PARAM_get0_peername(X509_VERIFY_PARAM *);
    565 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
    566 				const char *email, size_t emaillen);
    567 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
    568 					const unsigned char *ip, size_t iplen);
    569 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param, const char *ipasc);
    570 
    571 OPENSSL_EXPORT int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
    572 OPENSSL_EXPORT const char *X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM *param);
    573 
    574 OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
    575 OPENSSL_EXPORT int X509_VERIFY_PARAM_get_count(void);
    576 OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
    577 OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
    578 OPENSSL_EXPORT void X509_VERIFY_PARAM_table_cleanup(void);
    579 
    580 OPENSSL_EXPORT int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
    581 			STACK_OF(X509) *certs,
    582 			STACK_OF(ASN1_OBJECT) *policy_oids,
    583 			unsigned int flags);
    584 
    585 OPENSSL_EXPORT void X509_policy_tree_free(X509_POLICY_TREE *tree);
    586 
    587 OPENSSL_EXPORT int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
    588 OPENSSL_EXPORT X509_POLICY_LEVEL *
    589 	X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i);
    590 
    591 OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *
    592 	X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
    593 
    594 OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *
    595 	X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
    596 
    597 OPENSSL_EXPORT int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
    598 
    599 OPENSSL_EXPORT X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i);
    600 
    601 OPENSSL_EXPORT const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
    602 
    603 OPENSSL_EXPORT STACK_OF(POLICYQUALINFO) *
    604 	X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
    605 OPENSSL_EXPORT const X509_POLICY_NODE *
    606 	X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
    607 
    608 #ifdef  __cplusplus
    609 }
    610 #endif
    611 #endif
    612 
    613