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1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2  * All rights reserved.
3  *
4  * This package is an SSL implementation written
5  * by Eric Young (eay@cryptsoft.com).
6  * The implementation was written so as to conform with Netscapes SSL.
7  *
8  * This library is free for commercial and non-commercial use as long as
9  * the following conditions are aheared to.  The following conditions
10  * apply to all code found in this distribution, be it the RC4, RSA,
11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12  * included with this distribution is covered by the same copyright terms
13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14  *
15  * Copyright remains Eric Young's, and as such any Copyright notices in
16  * the code are not to be removed.
17  * If this package is used in a product, Eric Young should be given attribution
18  * as the author of the parts of the library used.
19  * This can be in the form of a textual message at program startup or
20  * in documentation (online or textual) provided with the package.
21  *
22  * Redistribution and use in source and binary forms, with or without
23  * modification, are permitted provided that the following conditions
24  * are met:
25  * 1. Redistributions of source code must retain the copyright
26  *    notice, this list of conditions and the following disclaimer.
27  * 2. Redistributions in binary form must reproduce the above copyright
28  *    notice, this list of conditions and the following disclaimer in the
29  *    documentation and/or other materials provided with the distribution.
30  * 3. All advertising materials mentioning features or use of this software
31  *    must display the following acknowledgement:
32  *    "This product includes cryptographic software written by
33  *     Eric Young (eay@cryptsoft.com)"
34  *    The word 'cryptographic' can be left out if the rouines from the library
35  *    being used are not cryptographic related :-).
36  * 4. If you include any Windows specific code (or a derivative thereof) from
37  *    the apps directory (application code) you must include an acknowledgement:
38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  *
52  * The licence and distribution terms for any publically available version or
53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
54  * copied and put under another distribution licence
55  * [including the GNU Public Licence.]
56  */
57 
58 #ifndef HEADER_X509_H
59 #include <openssl/x509.h>
60 /* openssl/x509.h ends up #include-ing this file at about the only
61  * appropriate moment. */
62 #endif
63 
64 #ifndef HEADER_X509_VFY_H
65 #define HEADER_X509_VFY_H
66 
67 #include <openssl/bio.h>
68 #include <openssl/lhash.h>
69 #include <openssl/thread.h>
70 
71 #ifdef  __cplusplus
72 extern "C" {
73 #endif
74 
75 /* Legacy X.509 library.
76  *
77  * This header is part of OpenSSL's X.509 implementation. It is retained for
78  * compatibility but otherwise underdocumented and not actively maintained. In
79  * the future, a replacement library will be available. Meanwhile, minimize
80  * dependencies on this header where possible. */
81 
82 
83 /*******************************/
84 /*
85 SSL_CTX -> X509_STORE
86 		-> X509_LOOKUP
87 			->X509_LOOKUP_METHOD
88 		-> X509_LOOKUP
89 			->X509_LOOKUP_METHOD
90 
91 SSL	-> X509_STORE_CTX
92 		->X509_STORE
93 
94 The X509_STORE holds the tables etc for verification stuff.
95 A X509_STORE_CTX is used while validating a single certificate.
96 The X509_STORE has X509_LOOKUPs for looking up certs.
97 The X509_STORE then calls a function to actually verify the
98 certificate chain.
99 */
100 
101 #define X509_LU_X509		1
102 #define X509_LU_CRL		2
103 #define X509_LU_PKEY		3
104 
105 typedef struct x509_object_st
106 	{
107 	/* one of the above types */
108 	int type;
109 	union	{
110 		char *ptr;
111 		X509 *x509;
112 		X509_CRL *crl;
113 		EVP_PKEY *pkey;
114 		} data;
115 	} X509_OBJECT;
116 
117 DEFINE_STACK_OF(X509_LOOKUP)
118 DEFINE_STACK_OF(X509_OBJECT)
119 
120 /* This is a static that defines the function interface */
121 typedef struct x509_lookup_method_st
122 	{
123 	const char *name;
124 	int (*new_item)(X509_LOOKUP *ctx);
125 	void (*free)(X509_LOOKUP *ctx);
126 	int (*init)(X509_LOOKUP *ctx);
127 	int (*shutdown)(X509_LOOKUP *ctx);
128 	int (*ctrl)(X509_LOOKUP *ctx,int cmd,const char *argc,long argl,
129 			char **ret);
130 	int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
131 			      X509_OBJECT *ret);
132 	int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
133 				    ASN1_INTEGER *serial,X509_OBJECT *ret);
134 	int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
135 				  unsigned char *bytes,int len,
136 				  X509_OBJECT *ret);
137 	int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
138 			    X509_OBJECT *ret);
139 	} X509_LOOKUP_METHOD;
140 
141 typedef struct X509_VERIFY_PARAM_ID_st X509_VERIFY_PARAM_ID;
142 
143 /* This structure hold all parameters associated with a verify operation
144  * by including an X509_VERIFY_PARAM structure in related structures the
145  * parameters used can be customized
146  */
147 
148 struct X509_VERIFY_PARAM_st
149 	{
150 	char *name;
151 	time_t check_time;	/* Time to use */
152 	unsigned long inh_flags; /* Inheritance flags */
153 	unsigned long flags;	/* Various verify flags */
154 	int purpose;		/* purpose to check untrusted certificates */
155 	int trust;		/* trust setting to check */
156 	int depth;		/* Verify depth */
157 	STACK_OF(ASN1_OBJECT) *policies;	/* Permissible policies */
158 	X509_VERIFY_PARAM_ID *id;	/* opaque ID data */
159 	};
160 
161 DEFINE_STACK_OF(X509_VERIFY_PARAM)
162 
163 /* This is used to hold everything.  It is used for all certificate
164  * validation.  Once we have a certificate chain, the 'verify'
165  * function is then called to actually check the cert chain. */
166 struct x509_store_st
167 	{
168 	/* The following is a cache of trusted certs */
169 	int cache; 	/* if true, stash any hits */
170 	STACK_OF(X509_OBJECT) *objs;	/* Cache of all objects */
171 	CRYPTO_MUTEX objs_lock;
172 	STACK_OF(X509) *additional_untrusted;
173 
174 	/* These are external lookup methods */
175 	STACK_OF(X509_LOOKUP) *get_cert_methods;
176 
177 	X509_VERIFY_PARAM *param;
178 
179 	/* Callbacks for various operations */
180 	int (*verify)(X509_STORE_CTX *ctx);	/* called to verify a certificate */
181 	int (*verify_cb)(int ok,X509_STORE_CTX *ctx);	/* error callback */
182 	int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);	/* get issuers cert from ctx */
183 	int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
184 	int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
185 	int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
186 	int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
187 	int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
188 	STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
189 	STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
190 	int (*cleanup)(X509_STORE_CTX *ctx);
191 
192 	CRYPTO_refcount_t references;
193 	} /* X509_STORE */;
194 
195 OPENSSL_EXPORT int X509_STORE_set_depth(X509_STORE *store, int depth);
196 
197 #define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
198 #define X509_STORE_set_verify_func(ctx,func)	((ctx)->verify=(func))
199 
200 /* This is the functions plus an instance of the local variables. */
201 struct x509_lookup_st
202 	{
203 	int init;			/* have we been started */
204 	int skip;			/* don't use us. */
205 	X509_LOOKUP_METHOD *method;	/* the functions */
206 	char *method_data;		/* method data */
207 
208 	X509_STORE *store_ctx;	/* who owns us */
209 	} /* X509_LOOKUP */;
210 
211 /* This is a used when verifying cert chains.  Since the
212  * gathering of the cert chain can take some time (and have to be
213  * 'retried', this needs to be kept and passed around. */
214 struct x509_store_ctx_st      /* X509_STORE_CTX */
215 	{
216 	X509_STORE *ctx;
217 
218 	/* The following are set by the caller */
219 	X509 *cert;		/* The cert to check */
220 	STACK_OF(X509) *untrusted;	/* chain of X509s - untrusted - passed in */
221 	STACK_OF(X509_CRL) *crls;	/* set of CRLs passed in */
222 
223 	X509_VERIFY_PARAM *param;
224 	void *other_ctx;	/* Other info for use with get_issuer() */
225 
226 	/* Callbacks for various operations */
227 	int (*verify)(X509_STORE_CTX *ctx);	/* called to verify a certificate */
228 	int (*verify_cb)(int ok,X509_STORE_CTX *ctx);		/* error callback */
229 	int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);	/* get issuers cert from ctx */
230 	int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
231 	int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
232 	int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
233 	int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
234 	int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
235 	int (*check_policy)(X509_STORE_CTX *ctx);
236 	STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
237 	STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
238 	int (*cleanup)(X509_STORE_CTX *ctx);
239 
240 	/* The following is built up */
241 	int valid;		/* if 0, rebuild chain */
242 	int last_untrusted;	/* index of last untrusted cert */
243 	STACK_OF(X509) *chain; 		/* chain of X509s - built up and trusted */
244 	X509_POLICY_TREE *tree;	/* Valid policy tree */
245 
246 	int explicit_policy;	/* Require explicit policy value */
247 
248 	/* When something goes wrong, this is why */
249 	int error_depth;
250 	int error;
251 	X509 *current_cert;
252 	X509 *current_issuer;	/* cert currently being tested as valid issuer */
253 	X509_CRL *current_crl;	/* current CRL */
254 
255 	int current_crl_score;  /* score of current CRL */
256 	unsigned int current_reasons;  /* Reason mask */
257 
258 	X509_STORE_CTX *parent; /* For CRL path validation: parent context */
259 
260 	CRYPTO_EX_DATA ex_data;
261 	} /* X509_STORE_CTX */;
262 
263 OPENSSL_EXPORT void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
264 
265 #define X509_STORE_CTX_set_app_data(ctx,data) \
266 	X509_STORE_CTX_set_ex_data(ctx,0,data)
267 #define X509_STORE_CTX_get_app_data(ctx) \
268 	X509_STORE_CTX_get_ex_data(ctx,0)
269 
270 #define X509_L_FILE_LOAD	1
271 #define X509_L_ADD_DIR		2
272 
273 #define X509_LOOKUP_load_file(x,name,type) \
274 		X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
275 
276 #define X509_LOOKUP_add_dir(x,name,type) \
277 		X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
278 
279 #define		X509_V_OK					0
280 #define		X509_V_ERR_UNSPECIFIED				1
281 
282 #define		X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT		2
283 #define		X509_V_ERR_UNABLE_TO_GET_CRL			3
284 #define		X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE	4
285 #define		X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE	5
286 #define		X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY	6
287 #define		X509_V_ERR_CERT_SIGNATURE_FAILURE		7
288 #define		X509_V_ERR_CRL_SIGNATURE_FAILURE		8
289 #define		X509_V_ERR_CERT_NOT_YET_VALID			9
290 #define		X509_V_ERR_CERT_HAS_EXPIRED			10
291 #define		X509_V_ERR_CRL_NOT_YET_VALID			11
292 #define		X509_V_ERR_CRL_HAS_EXPIRED			12
293 #define		X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD	13
294 #define		X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD	14
295 #define		X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD	15
296 #define		X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD	16
297 #define		X509_V_ERR_OUT_OF_MEM				17
298 #define		X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT		18
299 #define		X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN		19
300 #define		X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY	20
301 #define		X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE	21
302 #define		X509_V_ERR_CERT_CHAIN_TOO_LONG			22
303 #define		X509_V_ERR_CERT_REVOKED				23
304 #define		X509_V_ERR_INVALID_CA				24
305 #define		X509_V_ERR_PATH_LENGTH_EXCEEDED			25
306 #define		X509_V_ERR_INVALID_PURPOSE			26
307 #define		X509_V_ERR_CERT_UNTRUSTED			27
308 #define		X509_V_ERR_CERT_REJECTED			28
309 /* These are 'informational' when looking for issuer cert */
310 #define		X509_V_ERR_SUBJECT_ISSUER_MISMATCH		29
311 #define		X509_V_ERR_AKID_SKID_MISMATCH			30
312 #define		X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH		31
313 #define		X509_V_ERR_KEYUSAGE_NO_CERTSIGN			32
314 
315 #define		X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER		33
316 #define		X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION		34
317 #define		X509_V_ERR_KEYUSAGE_NO_CRL_SIGN			35
318 #define		X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION	36
319 #define		X509_V_ERR_INVALID_NON_CA			37
320 #define		X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED		38
321 #define		X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE	39
322 #define		X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED	40
323 
324 #define		X509_V_ERR_INVALID_EXTENSION			41
325 #define		X509_V_ERR_INVALID_POLICY_EXTENSION		42
326 #define		X509_V_ERR_NO_EXPLICIT_POLICY			43
327 #define		X509_V_ERR_DIFFERENT_CRL_SCOPE			44
328 #define		X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE	45
329 
330 #define		X509_V_ERR_UNNESTED_RESOURCE			46
331 
332 #define		X509_V_ERR_PERMITTED_VIOLATION			47
333 #define		X509_V_ERR_EXCLUDED_VIOLATION			48
334 #define		X509_V_ERR_SUBTREE_MINMAX			49
335 #define		X509_V_ERR_APPLICATION_VERIFICATION		50
336 #define		X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE		51
337 #define		X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX	52
338 #define		X509_V_ERR_UNSUPPORTED_NAME_SYNTAX		53
339 #define		X509_V_ERR_CRL_PATH_VALIDATION_ERROR		54
340 
341 /* Suite B mode algorithm violation */
342 #define		X509_V_ERR_SUITE_B_INVALID_VERSION		56
343 #define		X509_V_ERR_SUITE_B_INVALID_ALGORITHM		57
344 #define		X509_V_ERR_SUITE_B_INVALID_CURVE		58
345 #define		X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM	59
346 #define		X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED		60
347 #define		X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256	61
348 
349 /* Host, email and IP check errors */
350 #define		X509_V_ERR_HOSTNAME_MISMATCH			62
351 #define		X509_V_ERR_EMAIL_MISMATCH			63
352 #define		X509_V_ERR_IP_ADDRESS_MISMATCH			64
353 
354 /* Caller error */
355 #define		X509_V_ERR_INVALID_CALL				65
356 /* Issuer lookup error */
357 #define		X509_V_ERR_STORE_LOOKUP				66
358 
359 /* Certificate verify flags */
360 
361 /* Send issuer+subject checks to verify_cb */
362 #define	X509_V_FLAG_CB_ISSUER_CHECK		0x1
363 /* Use check time instead of current time */
364 #define	X509_V_FLAG_USE_CHECK_TIME		0x2
365 /* Lookup CRLs */
366 #define	X509_V_FLAG_CRL_CHECK			0x4
367 /* Lookup CRLs for whole chain */
368 #define	X509_V_FLAG_CRL_CHECK_ALL		0x8
369 /* Ignore unhandled critical extensions */
370 #define	X509_V_FLAG_IGNORE_CRITICAL		0x10
371 /* Disable workarounds for broken certificates */
372 #define	X509_V_FLAG_X509_STRICT			0x20
373 /* Enable proxy certificate validation */
374 #define	X509_V_FLAG_ALLOW_PROXY_CERTS		0x40
375 /* Enable policy checking */
376 #define X509_V_FLAG_POLICY_CHECK		0x80
377 /* Policy variable require-explicit-policy */
378 #define X509_V_FLAG_EXPLICIT_POLICY		0x100
379 /* Policy variable inhibit-any-policy */
380 #define	X509_V_FLAG_INHIBIT_ANY			0x200
381 /* Policy variable inhibit-policy-mapping */
382 #define X509_V_FLAG_INHIBIT_MAP			0x400
383 /* Notify callback that policy is OK */
384 #define X509_V_FLAG_NOTIFY_POLICY		0x800
385 /* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
386 #define X509_V_FLAG_EXTENDED_CRL_SUPPORT	0x1000
387 /* Delta CRL support */
388 #define X509_V_FLAG_USE_DELTAS			0x2000
389 /* Check selfsigned CA signature */
390 #define X509_V_FLAG_CHECK_SS_SIGNATURE		0x4000
391 /* Use trusted store first */
392 #define X509_V_FLAG_TRUSTED_FIRST		0x8000
393 /* Suite B 128 bit only mode: not normally used */
394 #define X509_V_FLAG_SUITEB_128_LOS_ONLY		0x10000
395 /* Suite B 192 bit only mode */
396 #define X509_V_FLAG_SUITEB_192_LOS		0x20000
397 /* Suite B 128 bit mode allowing 192 bit algorithms */
398 #define X509_V_FLAG_SUITEB_128_LOS		0x30000
399 
400 /* Allow partial chains if at least one certificate is in trusted store */
401 #define X509_V_FLAG_PARTIAL_CHAIN		0x80000
402 
403 /* If the initial chain is not trusted, do not attempt to build an alternative
404  * chain. Alternate chain checking was introduced in 1.0.2b. Setting this flag
405  * will force the behaviour to match that of previous versions. */
406 #define X509_V_FLAG_NO_ALT_CHAINS		0x100000
407 
408 #define X509_VP_FLAG_DEFAULT			0x1
409 #define X509_VP_FLAG_OVERWRITE			0x2
410 #define X509_VP_FLAG_RESET_FLAGS		0x4
411 #define X509_VP_FLAG_LOCKED			0x8
412 #define X509_VP_FLAG_ONCE			0x10
413 
414 /* Internal use: mask of policy related options */
415 #define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
416 				| X509_V_FLAG_EXPLICIT_POLICY \
417 				| X509_V_FLAG_INHIBIT_ANY \
418 				| X509_V_FLAG_INHIBIT_MAP)
419 
420 OPENSSL_EXPORT int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
421 	     X509_NAME *name);
422 OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,int type,X509_NAME *name);
423 OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x);
424 OPENSSL_EXPORT int X509_OBJECT_up_ref_count(X509_OBJECT *a);
425 OPENSSL_EXPORT void X509_OBJECT_free_contents(X509_OBJECT *a);
426 OPENSSL_EXPORT X509_STORE *X509_STORE_new(void );
427 OPENSSL_EXPORT int X509_STORE_up_ref(X509_STORE *store);
428 OPENSSL_EXPORT void X509_STORE_free(X509_STORE *v);
429 
430 OPENSSL_EXPORT STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *st, X509_NAME *nm);
431 OPENSSL_EXPORT STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *st, X509_NAME *nm);
432 OPENSSL_EXPORT int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
433 OPENSSL_EXPORT int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
434 OPENSSL_EXPORT int X509_STORE_set_trust(X509_STORE *ctx, int trust);
435 OPENSSL_EXPORT int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *pm);
436 /* X509_STORE_set0_additional_untrusted sets a stack of additional, untrusted
437  * certificates that are available for chain building. This function does not
438  * take ownership of the stack. */
439 OPENSSL_EXPORT void X509_STORE_set0_additional_untrusted(
440     X509_STORE *ctx, STACK_OF(X509) *untrusted);
441 
442 OPENSSL_EXPORT void X509_STORE_set_verify_cb(X509_STORE *ctx,
443 				  int (*verify_cb)(int, X509_STORE_CTX *));
444 
445 OPENSSL_EXPORT void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
446 		STACK_OF(X509_CRL)* (*cb)(X509_STORE_CTX *ctx, X509_NAME *nm));
447 
448 OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_new(void);
449 
450 OPENSSL_EXPORT int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
451 
452 OPENSSL_EXPORT void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
453 OPENSSL_EXPORT int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
454 			 X509 *x509, STACK_OF(X509) *chain);
455 OPENSSL_EXPORT void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
456 OPENSSL_EXPORT void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
457 
458 OPENSSL_EXPORT X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx);
459 
460 OPENSSL_EXPORT X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
461 
462 OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
463 OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
464 
465 OPENSSL_EXPORT int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
466 OPENSSL_EXPORT int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
467 
468 OPENSSL_EXPORT int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
469 	X509_OBJECT *ret);
470 
471 OPENSSL_EXPORT int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
472 	long argl, char **ret);
473 
474 #ifndef OPENSSL_NO_STDIO
475 OPENSSL_EXPORT int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
476 OPENSSL_EXPORT int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
477 OPENSSL_EXPORT int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
478 #endif
479 
480 
481 OPENSSL_EXPORT X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
482 OPENSSL_EXPORT void X509_LOOKUP_free(X509_LOOKUP *ctx);
483 OPENSSL_EXPORT int X509_LOOKUP_init(X509_LOOKUP *ctx);
484 OPENSSL_EXPORT int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
485 	X509_OBJECT *ret);
486 OPENSSL_EXPORT int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
487 	ASN1_INTEGER *serial, X509_OBJECT *ret);
488 OPENSSL_EXPORT int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
489 	unsigned char *bytes, int len, X509_OBJECT *ret);
490 OPENSSL_EXPORT int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
491 	int len, X509_OBJECT *ret);
492 OPENSSL_EXPORT int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
493 
494 #ifndef OPENSSL_NO_STDIO
495 OPENSSL_EXPORT int	X509_STORE_load_locations (X509_STORE *ctx,
496 		const char *file, const char *dir);
497 OPENSSL_EXPORT int	X509_STORE_set_default_paths(X509_STORE *ctx);
498 #endif
499 
500 OPENSSL_EXPORT int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused,
501 	CRYPTO_EX_dup *dup_unused, CRYPTO_EX_free *free_func);
502 OPENSSL_EXPORT int	X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
503 OPENSSL_EXPORT void *	X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
504 OPENSSL_EXPORT int	X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
505 OPENSSL_EXPORT void	X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
506 OPENSSL_EXPORT int	X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
507 OPENSSL_EXPORT X509 *	X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
508 OPENSSL_EXPORT X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
509 OPENSSL_EXPORT X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
510 OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
511 OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
512 OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
513 OPENSSL_EXPORT void	X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
514 OPENSSL_EXPORT void	X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
515 OPENSSL_EXPORT void	X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,STACK_OF(X509_CRL) *sk);
516 OPENSSL_EXPORT int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
517 OPENSSL_EXPORT int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
518 OPENSSL_EXPORT int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
519 				int purpose, int trust);
520 OPENSSL_EXPORT void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
521 OPENSSL_EXPORT void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
522 								time_t t);
523 OPENSSL_EXPORT void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
524 				  int (*verify_cb)(int, X509_STORE_CTX *));
525 
526 OPENSSL_EXPORT X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
527 OPENSSL_EXPORT int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
528 
529 OPENSSL_EXPORT X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(X509_STORE_CTX *ctx);
530 OPENSSL_EXPORT void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
531 OPENSSL_EXPORT int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
532 
533 /* X509_VERIFY_PARAM functions */
534 
535 OPENSSL_EXPORT X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
536 OPENSSL_EXPORT void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
537 OPENSSL_EXPORT int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
538 						const X509_VERIFY_PARAM *from);
539 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
540 						const X509_VERIFY_PARAM *from);
541 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
542 OPENSSL_EXPORT int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param, unsigned long flags);
543 OPENSSL_EXPORT int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
544 							unsigned long flags);
545 OPENSSL_EXPORT unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *param);
546 OPENSSL_EXPORT int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
547 OPENSSL_EXPORT int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
548 OPENSSL_EXPORT void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
549 OPENSSL_EXPORT void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
550 OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
551 						ASN1_OBJECT *policy);
552 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
553 					STACK_OF(ASN1_OBJECT) *policies);
554 
555 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
556 				const char *name, size_t namelen);
557 OPENSSL_EXPORT int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
558 					       const char *name,
559 					       size_t namelen);
560 OPENSSL_EXPORT void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
561 					unsigned int flags);
562 OPENSSL_EXPORT char *X509_VERIFY_PARAM_get0_peername(X509_VERIFY_PARAM *);
563 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
564 				const char *email, size_t emaillen);
565 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
566 					const unsigned char *ip, size_t iplen);
567 OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param, const char *ipasc);
568 
569 OPENSSL_EXPORT int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
570 OPENSSL_EXPORT const char *X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM *param);
571 
572 OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
573 OPENSSL_EXPORT int X509_VERIFY_PARAM_get_count(void);
574 OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
575 OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
576 OPENSSL_EXPORT void X509_VERIFY_PARAM_table_cleanup(void);
577 
578 OPENSSL_EXPORT int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
579 			STACK_OF(X509) *certs,
580 			STACK_OF(ASN1_OBJECT) *policy_oids,
581 			unsigned int flags);
582 
583 OPENSSL_EXPORT void X509_policy_tree_free(X509_POLICY_TREE *tree);
584 
585 OPENSSL_EXPORT int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
586 OPENSSL_EXPORT X509_POLICY_LEVEL *
587 	X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i);
588 
589 OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *
590 	X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
591 
592 OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *
593 	X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
594 
595 OPENSSL_EXPORT int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
596 
597 OPENSSL_EXPORT X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i);
598 
599 OPENSSL_EXPORT const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
600 
601 OPENSSL_EXPORT STACK_OF(POLICYQUALINFO) *
602 	X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
603 OPENSSL_EXPORT const X509_POLICY_NODE *
604 	X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
605 
606 #ifdef  __cplusplus
607 }
608 #endif
609 #endif
610