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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 #if 0
81 /* Outer object */
82 typedef struct x509_hash_dir_st
83 	{
84 	int num_dirs;
85 	char **dirs;
86 	int *dirs_type;
87 	int num_dirs_alloced;
88 	} X509_HASH_DIR_CTX;
89 #endif
90 
91 typedef struct x509_file_st
92 	{
93 	int num_paths;	/* number of paths to files or directories */
94 	int num_alloced;
95 	char **paths;	/* the list of paths or directories */
96 	int *path_type;
97 	} X509_CERT_FILE_CTX;
98 
99 /*******************************/
100 /*
101 SSL_CTX -> X509_STORE
102 		-> X509_LOOKUP
103 			->X509_LOOKUP_METHOD
104 		-> X509_LOOKUP
105 			->X509_LOOKUP_METHOD
106 
107 SSL	-> X509_STORE_CTX
108 		->X509_STORE
109 
110 The X509_STORE holds the tables etc for verification stuff.
111 A X509_STORE_CTX is used while validating a single certificate.
112 The X509_STORE has X509_LOOKUPs for looking up certs.
113 The X509_STORE then calls a function to actually verify the
114 certificate chain.
115 */
116 
117 #define X509_LU_RETRY		-1
118 #define X509_LU_FAIL		0
119 #define X509_LU_X509		1
120 #define X509_LU_CRL		2
121 #define X509_LU_PKEY		3
122 
123 typedef struct x509_object_st
124 	{
125 	/* one of the above types */
126 	int type;
127 	union	{
128 		char *ptr;
129 		X509 *x509;
130 		X509_CRL *crl;
131 		EVP_PKEY *pkey;
132 		} data;
133 	} X509_OBJECT;
134 
135 typedef struct x509_lookup_st X509_LOOKUP;
136 
137 DECLARE_STACK_OF(X509_LOOKUP)
138 DECLARE_STACK_OF(X509_OBJECT)
139 
140 /* This is a static that defines the function interface */
141 typedef struct x509_lookup_method_st
142 	{
143 	const char *name;
144 	int (*new_item)(X509_LOOKUP *ctx);
145 	void (*free)(X509_LOOKUP *ctx);
146 	int (*init)(X509_LOOKUP *ctx);
147 	int (*shutdown)(X509_LOOKUP *ctx);
148 	int (*ctrl)(X509_LOOKUP *ctx,int cmd,const char *argc,long argl,
149 			char **ret);
150 	int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
151 			      X509_OBJECT *ret);
152 	int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
153 				    ASN1_INTEGER *serial,X509_OBJECT *ret);
154 	int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
155 				  unsigned char *bytes,int len,
156 				  X509_OBJECT *ret);
157 	int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
158 			    X509_OBJECT *ret);
159 	} X509_LOOKUP_METHOD;
160 
161 /* This structure hold all parameters associated with a verify operation
162  * by including an X509_VERIFY_PARAM structure in related structures the
163  * parameters used can be customized
164  */
165 
166 typedef struct X509_VERIFY_PARAM_st
167 	{
168 	char *name;
169 	time_t check_time;	/* Time to use */
170 	unsigned long inh_flags; /* Inheritance flags */
171 	unsigned long flags;	/* Various verify flags */
172 	int purpose;		/* purpose to check untrusted certificates */
173 	int trust;		/* trust setting to check */
174 	int depth;		/* Verify depth */
175 	STACK_OF(ASN1_OBJECT) *policies;	/* Permissible policies */
176 	} X509_VERIFY_PARAM;
177 
178 DECLARE_STACK_OF(X509_VERIFY_PARAM)
179 
180 /* This is used to hold everything.  It is used for all certificate
181  * validation.  Once we have a certificate chain, the 'verify'
182  * function is then called to actually check the cert chain. */
183 struct x509_store_st
184 	{
185 	/* The following is a cache of trusted certs */
186 	int cache; 	/* if true, stash any hits */
187 	STACK_OF(X509_OBJECT) *objs;	/* Cache of all objects */
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_EX_DATA ex_data;
208 	int references;
209 	} /* X509_STORE */;
210 
211 int X509_STORE_set_depth(X509_STORE *store, int depth);
212 
213 #define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
214 #define X509_STORE_set_verify_func(ctx,func)	((ctx)->verify=(func))
215 
216 /* This is the functions plus an instance of the local variables. */
217 struct x509_lookup_st
218 	{
219 	int init;			/* have we been started */
220 	int skip;			/* don't use us. */
221 	X509_LOOKUP_METHOD *method;	/* the functions */
222 	char *method_data;		/* method data */
223 
224 	X509_STORE *store_ctx;	/* who owns us */
225 	} /* X509_LOOKUP */;
226 
227 /* This is a used when verifying cert chains.  Since the
228  * gathering of the cert chain can take some time (and have to be
229  * 'retried', this needs to be kept and passed around. */
230 struct x509_store_ctx_st      /* X509_STORE_CTX */
231 	{
232 	X509_STORE *ctx;
233 	int current_method;	/* used when looking up certs */
234 
235 	/* The following are set by the caller */
236 	X509 *cert;		/* The cert to check */
237 	STACK_OF(X509) *untrusted;	/* chain of X509s - untrusted - passed in */
238 	STACK_OF(X509_CRL) *crls;	/* set of CRLs passed in */
239 
240 	X509_VERIFY_PARAM *param;
241 	void *other_ctx;	/* Other info for use with get_issuer() */
242 
243 	/* Callbacks for various operations */
244 	int (*verify)(X509_STORE_CTX *ctx);	/* called to verify a certificate */
245 	int (*verify_cb)(int ok,X509_STORE_CTX *ctx);		/* error callback */
246 	int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);	/* get issuers cert from ctx */
247 	int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
248 	int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
249 	int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
250 	int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
251 	int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
252 	int (*check_policy)(X509_STORE_CTX *ctx);
253 	STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
254 	STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
255 	int (*cleanup)(X509_STORE_CTX *ctx);
256 
257 	/* The following is built up */
258 	int valid;		/* if 0, rebuild chain */
259 	int last_untrusted;	/* index of last untrusted cert */
260 	STACK_OF(X509) *chain; 		/* chain of X509s - built up and trusted */
261 	X509_POLICY_TREE *tree;	/* Valid policy tree */
262 
263 	int explicit_policy;	/* Require explicit policy value */
264 
265 	/* When something goes wrong, this is why */
266 	int error_depth;
267 	int error;
268 	X509 *current_cert;
269 	X509 *current_issuer;	/* cert currently being tested as valid issuer */
270 	X509_CRL *current_crl;	/* current CRL */
271 
272 	int current_crl_score;  /* score of current CRL */
273 	unsigned int current_reasons;  /* Reason mask */
274 
275 	X509_STORE_CTX *parent; /* For CRL path validation: parent context */
276 
277 	CRYPTO_EX_DATA ex_data;
278 	} /* X509_STORE_CTX */;
279 
280 void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
281 
282 #define X509_STORE_CTX_set_app_data(ctx,data) \
283 	X509_STORE_CTX_set_ex_data(ctx,0,data)
284 #define X509_STORE_CTX_get_app_data(ctx) \
285 	X509_STORE_CTX_get_ex_data(ctx,0)
286 
287 #define X509_L_FILE_LOAD	1
288 #define X509_L_ADD_DIR		2
289 
290 #define X509_LOOKUP_load_file(x,name,type) \
291 		X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
292 
293 #define X509_LOOKUP_add_dir(x,name,type) \
294 		X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
295 
296 #define		X509_V_OK					0
297 /* illegal error (for uninitialized values, to avoid X509_V_OK): 1 */
298 
299 #define		X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT		2
300 #define		X509_V_ERR_UNABLE_TO_GET_CRL			3
301 #define		X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE	4
302 #define		X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE	5
303 #define		X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY	6
304 #define		X509_V_ERR_CERT_SIGNATURE_FAILURE		7
305 #define		X509_V_ERR_CRL_SIGNATURE_FAILURE		8
306 #define		X509_V_ERR_CERT_NOT_YET_VALID			9
307 #define		X509_V_ERR_CERT_HAS_EXPIRED			10
308 #define		X509_V_ERR_CRL_NOT_YET_VALID			11
309 #define		X509_V_ERR_CRL_HAS_EXPIRED			12
310 #define		X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD	13
311 #define		X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD	14
312 #define		X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD	15
313 #define		X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD	16
314 #define		X509_V_ERR_OUT_OF_MEM				17
315 #define		X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT		18
316 #define		X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN		19
317 #define		X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY	20
318 #define		X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE	21
319 #define		X509_V_ERR_CERT_CHAIN_TOO_LONG			22
320 #define		X509_V_ERR_CERT_REVOKED				23
321 #define		X509_V_ERR_INVALID_CA				24
322 #define		X509_V_ERR_PATH_LENGTH_EXCEEDED			25
323 #define		X509_V_ERR_INVALID_PURPOSE			26
324 #define		X509_V_ERR_CERT_UNTRUSTED			27
325 #define		X509_V_ERR_CERT_REJECTED			28
326 /* These are 'informational' when looking for issuer cert */
327 #define		X509_V_ERR_SUBJECT_ISSUER_MISMATCH		29
328 #define		X509_V_ERR_AKID_SKID_MISMATCH			30
329 #define		X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH		31
330 #define		X509_V_ERR_KEYUSAGE_NO_CERTSIGN			32
331 
332 #define		X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER		33
333 #define		X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION		34
334 #define		X509_V_ERR_KEYUSAGE_NO_CRL_SIGN			35
335 #define		X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION	36
336 #define		X509_V_ERR_INVALID_NON_CA			37
337 #define		X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED		38
338 #define		X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE	39
339 #define		X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED	40
340 
341 #define		X509_V_ERR_INVALID_EXTENSION			41
342 #define		X509_V_ERR_INVALID_POLICY_EXTENSION		42
343 #define		X509_V_ERR_NO_EXPLICIT_POLICY			43
344 #define		X509_V_ERR_DIFFERENT_CRL_SCOPE			44
345 #define		X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE	45
346 
347 #define		X509_V_ERR_UNNESTED_RESOURCE			46
348 
349 #define		X509_V_ERR_PERMITTED_VIOLATION			47
350 #define		X509_V_ERR_EXCLUDED_VIOLATION			48
351 #define		X509_V_ERR_SUBTREE_MINMAX			49
352 #define		X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE		51
353 #define		X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX	52
354 #define		X509_V_ERR_UNSUPPORTED_NAME_SYNTAX		53
355 #define		X509_V_ERR_CRL_PATH_VALIDATION_ERROR		54
356 
357 /* The application is not happy */
358 #define		X509_V_ERR_APPLICATION_VERIFICATION		50
359 
360 /* Certificate verify flags */
361 
362 /* Send issuer+subject checks to verify_cb */
363 #define	X509_V_FLAG_CB_ISSUER_CHECK		0x1
364 /* Use check time instead of current time */
365 #define	X509_V_FLAG_USE_CHECK_TIME		0x2
366 /* Lookup CRLs */
367 #define	X509_V_FLAG_CRL_CHECK			0x4
368 /* Lookup CRLs for whole chain */
369 #define	X509_V_FLAG_CRL_CHECK_ALL		0x8
370 /* Ignore unhandled critical extensions */
371 #define	X509_V_FLAG_IGNORE_CRITICAL		0x10
372 /* Disable workarounds for broken certificates */
373 #define	X509_V_FLAG_X509_STRICT			0x20
374 /* Enable proxy certificate validation */
375 #define	X509_V_FLAG_ALLOW_PROXY_CERTS		0x40
376 /* Enable policy checking */
377 #define X509_V_FLAG_POLICY_CHECK		0x80
378 /* Policy variable require-explicit-policy */
379 #define X509_V_FLAG_EXPLICIT_POLICY		0x100
380 /* Policy variable inhibit-any-policy */
381 #define	X509_V_FLAG_INHIBIT_ANY			0x200
382 /* Policy variable inhibit-policy-mapping */
383 #define X509_V_FLAG_INHIBIT_MAP			0x400
384 /* Notify callback that policy is OK */
385 #define X509_V_FLAG_NOTIFY_POLICY		0x800
386 /* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
387 #define X509_V_FLAG_EXTENDED_CRL_SUPPORT	0x1000
388 /* Delta CRL support */
389 #define X509_V_FLAG_USE_DELTAS			0x2000
390 /* Check selfsigned CA signature */
391 #define X509_V_FLAG_CHECK_SS_SIGNATURE		0x4000
392 
393 
394 #define X509_VP_FLAG_DEFAULT			0x1
395 #define X509_VP_FLAG_OVERWRITE			0x2
396 #define X509_VP_FLAG_RESET_FLAGS		0x4
397 #define X509_VP_FLAG_LOCKED			0x8
398 #define X509_VP_FLAG_ONCE			0x10
399 
400 /* Internal use: mask of policy related options */
401 #define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
402 				| X509_V_FLAG_EXPLICIT_POLICY \
403 				| X509_V_FLAG_INHIBIT_ANY \
404 				| X509_V_FLAG_INHIBIT_MAP)
405 
406 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
407 	     X509_NAME *name);
408 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,int type,X509_NAME *name);
409 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x);
410 void X509_OBJECT_up_ref_count(X509_OBJECT *a);
411 void X509_OBJECT_free_contents(X509_OBJECT *a);
412 X509_STORE *X509_STORE_new(void );
413 void X509_STORE_free(X509_STORE *v);
414 
415 STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *st, X509_NAME *nm);
416 STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *st, X509_NAME *nm);
417 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
418 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
419 int X509_STORE_set_trust(X509_STORE *ctx, int trust);
420 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
421 
422 void X509_STORE_set_verify_cb(X509_STORE *ctx,
423 				  int (*verify_cb)(int, X509_STORE_CTX *));
424 
425 X509_STORE_CTX *X509_STORE_CTX_new(void);
426 
427 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
428 
429 void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
430 int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
431 			 X509 *x509, STACK_OF(X509) *chain);
432 void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
433 void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
434 
435 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
436 
437 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
438 X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
439 
440 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
441 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
442 
443 int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
444 	X509_OBJECT *ret);
445 
446 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
447 	long argl, char **ret);
448 
449 #ifndef OPENSSL_NO_STDIO
450 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
451 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
452 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
453 #endif
454 
455 
456 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
457 void X509_LOOKUP_free(X509_LOOKUP *ctx);
458 int X509_LOOKUP_init(X509_LOOKUP *ctx);
459 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
460 	X509_OBJECT *ret);
461 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
462 	ASN1_INTEGER *serial, X509_OBJECT *ret);
463 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
464 	unsigned char *bytes, int len, X509_OBJECT *ret);
465 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
466 	int len, X509_OBJECT *ret);
467 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
468 
469 #ifndef OPENSSL_NO_STDIO
470 int	X509_STORE_load_locations (X509_STORE *ctx,
471 		const char *file, const char *dir);
472 int	X509_STORE_set_default_paths(X509_STORE *ctx);
473 #endif
474 
475 int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
476 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
477 int	X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
478 void *	X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
479 int	X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
480 void	X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
481 int	X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
482 X509 *	X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
483 X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
484 X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
485 X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
486 STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
487 STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
488 void	X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
489 void	X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
490 void	X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,STACK_OF(X509_CRL) *sk);
491 int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
492 int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
493 int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
494 				int purpose, int trust);
495 void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
496 void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
497 								time_t t);
498 void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
499 				  int (*verify_cb)(int, X509_STORE_CTX *));
500 
501 X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
502 int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
503 
504 X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
505 void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
506 int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
507 
508 /* X509_VERIFY_PARAM functions */
509 
510 X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
511 void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
512 int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
513 						const X509_VERIFY_PARAM *from);
514 int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
515 						const X509_VERIFY_PARAM *from);
516 int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
517 int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param, unsigned long flags);
518 int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
519 							unsigned long flags);
520 unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
521 int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
522 int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
523 void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
524 void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
525 int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
526 						ASN1_OBJECT *policy);
527 int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
528 					STACK_OF(ASN1_OBJECT) *policies);
529 int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
530 
531 int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
532 const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
533 void X509_VERIFY_PARAM_table_cleanup(void);
534 
535 int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
536 			STACK_OF(X509) *certs,
537 			STACK_OF(ASN1_OBJECT) *policy_oids,
538 			unsigned int flags);
539 
540 void X509_policy_tree_free(X509_POLICY_TREE *tree);
541 
542 int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
543 X509_POLICY_LEVEL *
544 	X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i);
545 
546 STACK_OF(X509_POLICY_NODE) *
547 	X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
548 
549 STACK_OF(X509_POLICY_NODE) *
550 	X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
551 
552 int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
553 
554 X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i);
555 
556 const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
557 
558 STACK_OF(POLICYQUALINFO) *
559 	X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
560 const X509_POLICY_NODE *
561 	X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
562 
563 #ifdef  __cplusplus
564 }
565 #endif
566 #endif
567 
568