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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 /* 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 
532