x509_vfy.h.in@ 108403

最後變更在這個檔案從108403是 108206,由 vboxsync 提交於 6 週前
openssl-3.3.2: Exported all files to OSE and removed .scm-settings bugref:10757
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1	/*
2	* {- join("\n * ", @autowarntext) -}
3	*
4	* Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
5	*
6	* Licensed under the Apache License 2.0 (the "License"). You may not use
7	* this file except in compliance with the License. You can obtain a copy
8	* in the file LICENSE in the source distribution or at
9	* https://www.openssl.org/source/license.html
10	*/
11
12	{-
13	use OpenSSL::stackhash qw(generate_stack_macros);
14	-}
15
16	#ifndef OPENSSL_X509_VFY_H
17	# define OPENSSL_X509_VFY_H
18	# pragma once
19
20	# include <openssl/macros.h>
21	# ifndef OPENSSL_NO_DEPRECATED_3_0
22	# define HEADER_X509_VFY_H
23	# endif
24
25	/*
26	* Protect against recursion, x509.h and x509_vfy.h each include the other.
27	*/
28	# ifndef OPENSSL_X509_H
29	# include <openssl/x509.h>
30	# endif
31
32	# include <openssl/opensslconf.h>
33	# include <openssl/lhash.h>
34	# include <openssl/bio.h>
35	# include <openssl/crypto.h>
36	# include <openssl/symhacks.h>
37
38	#ifdef __cplusplus
39	extern "C" {
40	#endif
41
42	/*-
43	SSL_CTX -> X509_STORE
44	-> X509_LOOKUP
45	->X509_LOOKUP_METHOD
46	-> X509_LOOKUP
47	->X509_LOOKUP_METHOD
48
49	SSL -> X509_STORE_CTX
50	->X509_STORE
51
52	The X509_STORE holds the tables etc for verification stuff.
53	A X509_STORE_CTX is used while validating a single certificate.
54	The X509_STORE has X509_LOOKUPs for looking up certs.
55	The X509_STORE then calls a function to actually verify the
56	certificate chain.
57	*/
58
59	typedef enum {
60	X509_LU_NONE = 0,
61	X509_LU_X509, X509_LU_CRL
62	} X509_LOOKUP_TYPE;
63
64	#ifndef OPENSSL_NO_DEPRECATED_1_1_0
65	#define X509_LU_RETRY -1
66	#define X509_LU_FAIL 0
67	#endif
68
69	{-
70	generate_stack_macros("X509_LOOKUP")
71	.generate_stack_macros("X509_OBJECT")
72	.generate_stack_macros("X509_VERIFY_PARAM");
73	-}
74
75	/* This is used for a table of trust checking functions */
76	typedef struct x509_trust_st {
77	int trust;
78	int flags;
79	int (check_trust) (struct x509_trust_st , X509 *, int);
80	char *name;
81	int arg1;
82	void *arg2;
83	} X509_TRUST;
84	{-
85	generate_stack_macros("X509_TRUST");
86	-}
87
88	/* standard trust ids */
89	# define X509_TRUST_DEFAULT 0 /* Only valid in purpose settings */
90	# define X509_TRUST_COMPAT 1
91	# define X509_TRUST_SSL_CLIENT 2
92	# define X509_TRUST_SSL_SERVER 3
93	# define X509_TRUST_EMAIL 4
94	# define X509_TRUST_OBJECT_SIGN 5
95	# define X509_TRUST_OCSP_SIGN 6
96	# define X509_TRUST_OCSP_REQUEST 7
97	# define X509_TRUST_TSA 8
98	/* Keep these up to date! */
99	# define X509_TRUST_MIN 1
100	# define X509_TRUST_MAX 8
101
102	/* trust_flags values */
103	# define X509_TRUST_DYNAMIC (1U << 0)
104	# define X509_TRUST_DYNAMIC_NAME (1U << 1)
105	/* No compat trust if self-signed, preempts "DO_SS" */
106	# define X509_TRUST_NO_SS_COMPAT (1U << 2)
107	/* Compat trust if no explicit accepted trust EKUs */
108	# define X509_TRUST_DO_SS_COMPAT (1U << 3)
109	/* Accept "anyEKU" as a wildcard rejection OID and as a wildcard trust OID */
110	# define X509_TRUST_OK_ANY_EKU (1U << 4)
111
112	/* check_trust return codes */
113	# define X509_TRUST_TRUSTED 1
114	# define X509_TRUST_REJECTED 2
115	# define X509_TRUST_UNTRUSTED 3
116
117	int X509_TRUST_set(int *t, int trust);
118	int X509_TRUST_get_count(void);
119	X509_TRUST *X509_TRUST_get0(int idx);
120	int X509_TRUST_get_by_id(int id);
121	int X509_TRUST_add(int id, int flags, int (ck) (X509_TRUST , X509 *, int),
122	const char name, int arg1, void arg2);
123	void X509_TRUST_cleanup(void);
124	int X509_TRUST_get_flags(const X509_TRUST *xp);
125	char X509_TRUST_get0_name(const X509_TRUST xp);
126	int X509_TRUST_get_trust(const X509_TRUST *xp);
127
128	int X509_trusted(const X509 *x);
129	int X509_add1_trust_object(X509 x, const ASN1_OBJECT obj);
130	int X509_add1_reject_object(X509 x, const ASN1_OBJECT obj);
131	void X509_trust_clear(X509 *x);
132	void X509_reject_clear(X509 *x);
133	STACK_OF(ASN1_OBJECT) X509_get0_trust_objects(X509 x);
134	STACK_OF(ASN1_OBJECT) X509_get0_reject_objects(X509 x);
135
136	int (X509_TRUST_set_default(int (trust) (int, X509 , int))) (int, X509 ,
137	int);
138	int X509_check_trust(X509 *x, int id, int flags);
139
140	int X509_verify_cert(X509_STORE_CTX *ctx);
141	int X509_STORE_CTX_verify(X509_STORE_CTX *ctx);
142	STACK_OF(X509) X509_build_chain(X509 target, STACK_OF(X509) *certs,
143	X509_STORE *store, int with_self_signed,
144	OSSL_LIB_CTX libctx, const char propq);
145
146	int X509_STORE_set_depth(X509_STORE *store, int depth);
147
148	typedef int (X509_STORE_CTX_verify_cb)(int, X509_STORE_CTX );
149	int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx);
150	typedef int (X509_STORE_CTX_verify_fn)(X509_STORE_CTX );
151	typedef int (X509_STORE_CTX_get_issuer_fn)(X509 *issuer,
152	X509_STORE_CTX ctx, X509 x);
153	typedef int (X509_STORE_CTX_check_issued_fn)(X509_STORE_CTX ctx,
154	X509 x, X509 issuer);
155	typedef int (X509_STORE_CTX_check_revocation_fn)(X509_STORE_CTX ctx);
156	typedef int (X509_STORE_CTX_get_crl_fn)(X509_STORE_CTX ctx,
157	X509_CRL *crl, X509 x);
158	typedef int (X509_STORE_CTX_check_crl_fn)(X509_STORE_CTX ctx, X509_CRL *crl);
159	typedef int (X509_STORE_CTX_cert_crl_fn)(X509_STORE_CTX ctx,
160	X509_CRL crl, X509 x);
161	typedef int (X509_STORE_CTX_check_policy_fn)(X509_STORE_CTX ctx);
162	typedef STACK_OF(X509)
163	(X509_STORE_CTX_lookup_certs_fn)(X509_STORE_CTX *ctx,
164	const X509_NAME *nm);
165	typedef STACK_OF(X509_CRL)
166	(X509_STORE_CTX_lookup_crls_fn)(const X509_STORE_CTX *ctx,
167	const X509_NAME *nm);
168	typedef int (X509_STORE_CTX_cleanup_fn)(X509_STORE_CTX ctx);
169
170	void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
171
172	# define X509_STORE_CTX_set_app_data(ctx,data) \
173	X509_STORE_CTX_set_ex_data(ctx,0,data)
174	# define X509_STORE_CTX_get_app_data(ctx) \
175	X509_STORE_CTX_get_ex_data(ctx,0)
176
177	# define X509_L_FILE_LOAD 1
178	# define X509_L_ADD_DIR 2
179	# define X509_L_ADD_STORE 3
180	# define X509_L_LOAD_STORE 4
181
182	# define X509_LOOKUP_load_file(x,name,type) \
183	X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
184
185	# define X509_LOOKUP_add_dir(x,name,type) \
186	X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
187
188	# define X509_LOOKUP_add_store(x,name) \
189	X509_LOOKUP_ctrl((x),X509_L_ADD_STORE,(name),0,NULL)
190
191	# define X509_LOOKUP_load_store(x,name) \
192	X509_LOOKUP_ctrl((x),X509_L_LOAD_STORE,(name),0,NULL)
193
194	# define X509_LOOKUP_load_file_ex(x, name, type, libctx, propq) \
195	X509_LOOKUP_ctrl_ex((x), X509_L_FILE_LOAD, (name), (long)(type), NULL,\
196	(libctx), (propq))
197
198	# define X509_LOOKUP_load_store_ex(x, name, libctx, propq) \
199	X509_LOOKUP_ctrl_ex((x), X509_L_LOAD_STORE, (name), 0, NULL, \
200	(libctx), (propq))
201
202	# define X509_LOOKUP_add_store_ex(x, name, libctx, propq) \
203	X509_LOOKUP_ctrl_ex((x), X509_L_ADD_STORE, (name), 0, NULL, \
204	(libctx), (propq))
205
206	# define X509_V_OK 0
207	# define X509_V_ERR_UNSPECIFIED 1
208	# define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT 2
209	# define X509_V_ERR_UNABLE_TO_GET_CRL 3
210	# define X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE 4
211	# define X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE 5
212	# define X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY 6
213	# define X509_V_ERR_CERT_SIGNATURE_FAILURE 7
214	# define X509_V_ERR_CRL_SIGNATURE_FAILURE 8
215	# define X509_V_ERR_CERT_NOT_YET_VALID 9
216	# define X509_V_ERR_CERT_HAS_EXPIRED 10
217	# define X509_V_ERR_CRL_NOT_YET_VALID 11
218	# define X509_V_ERR_CRL_HAS_EXPIRED 12
219	# define X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD 13
220	# define X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD 14
221	# define X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD 15
222	# define X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD 16
223	# define X509_V_ERR_OUT_OF_MEM 17
224	# define X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT 18
225	# define X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN 19
226	# define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY 20
227	# define X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE 21
228	# define X509_V_ERR_CERT_CHAIN_TOO_LONG 22
229	# define X509_V_ERR_CERT_REVOKED 23
230	# define X509_V_ERR_NO_ISSUER_PUBLIC_KEY 24
231	# define X509_V_ERR_PATH_LENGTH_EXCEEDED 25
232	# define X509_V_ERR_INVALID_PURPOSE 26
233	# define X509_V_ERR_CERT_UNTRUSTED 27
234	# define X509_V_ERR_CERT_REJECTED 28
235
236	/* These are 'informational' when looking for issuer cert */
237	# define X509_V_ERR_SUBJECT_ISSUER_MISMATCH 29
238	# define X509_V_ERR_AKID_SKID_MISMATCH 30
239	# define X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH 31
240	# define X509_V_ERR_KEYUSAGE_NO_CERTSIGN 32
241	# define X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER 33
242	# define X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION 34
243	# define X509_V_ERR_KEYUSAGE_NO_CRL_SIGN 35
244	# define X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION 36
245	# define X509_V_ERR_INVALID_NON_CA 37
246	# define X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED 38
247	# define X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE 39
248	# define X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED 40
249	# define X509_V_ERR_INVALID_EXTENSION 41
250	# define X509_V_ERR_INVALID_POLICY_EXTENSION 42
251	# define X509_V_ERR_NO_EXPLICIT_POLICY 43
252	# define X509_V_ERR_DIFFERENT_CRL_SCOPE 44
253	# define X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE 45
254	# define X509_V_ERR_UNNESTED_RESOURCE 46
255	# define X509_V_ERR_PERMITTED_VIOLATION 47
256	# define X509_V_ERR_EXCLUDED_VIOLATION 48
257	# define X509_V_ERR_SUBTREE_MINMAX 49
258	/* The application is not happy */
259	# define X509_V_ERR_APPLICATION_VERIFICATION 50
260	# define X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE 51
261	# define X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX 52
262	# define X509_V_ERR_UNSUPPORTED_NAME_SYNTAX 53
263	# define X509_V_ERR_CRL_PATH_VALIDATION_ERROR 54
264	/* Another issuer check debug option */
265	# define X509_V_ERR_PATH_LOOP 55
266	/* Suite B mode algorithm violation */
267	# define X509_V_ERR_SUITE_B_INVALID_VERSION 56
268	# define X509_V_ERR_SUITE_B_INVALID_ALGORITHM 57
269	# define X509_V_ERR_SUITE_B_INVALID_CURVE 58
270	# define X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM 59
271	# define X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED 60
272	# define X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256 61
273	/* Host, email and IP check errors */
274	# define X509_V_ERR_HOSTNAME_MISMATCH 62
275	# define X509_V_ERR_EMAIL_MISMATCH 63
276	# define X509_V_ERR_IP_ADDRESS_MISMATCH 64
277	/* DANE TLSA errors */
278	# define X509_V_ERR_DANE_NO_MATCH 65
279	/* security level errors */
280	# define X509_V_ERR_EE_KEY_TOO_SMALL 66
281	# define X509_V_ERR_CA_KEY_TOO_SMALL 67
282	# define X509_V_ERR_CA_MD_TOO_WEAK 68
283	/* Caller error */
284	# define X509_V_ERR_INVALID_CALL 69
285	/* Issuer lookup error */
286	# define X509_V_ERR_STORE_LOOKUP 70
287	/* Certificate transparency */
288	# define X509_V_ERR_NO_VALID_SCTS 71
289
290	# define X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION 72
291	/* OCSP status errors */
292	# define X509_V_ERR_OCSP_VERIFY_NEEDED 73 /* Need OCSP verification */
293	# define X509_V_ERR_OCSP_VERIFY_FAILED 74 /* Couldn't verify cert through OCSP */
294	# define X509_V_ERR_OCSP_CERT_UNKNOWN 75 /* Certificate wasn't recognized by the OCSP responder */
295
296	# define X509_V_ERR_UNSUPPORTED_SIGNATURE_ALGORITHM 76
297	# define X509_V_ERR_SIGNATURE_ALGORITHM_MISMATCH 77
298
299	/* Errors in case a check in X509_V_FLAG_X509_STRICT mode fails */
300	# define X509_V_ERR_SIGNATURE_ALGORITHM_INCONSISTENCY 78
301	# define X509_V_ERR_INVALID_CA 79
302	# define X509_V_ERR_PATHLEN_INVALID_FOR_NON_CA 80
303	# define X509_V_ERR_PATHLEN_WITHOUT_KU_KEY_CERT_SIGN 81
304	# define X509_V_ERR_KU_KEY_CERT_SIGN_INVALID_FOR_NON_CA 82
305	# define X509_V_ERR_ISSUER_NAME_EMPTY 83
306	# define X509_V_ERR_SUBJECT_NAME_EMPTY 84
307	# define X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER 85
308	# define X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER 86
309	# define X509_V_ERR_EMPTY_SUBJECT_ALT_NAME 87
310	# define X509_V_ERR_EMPTY_SUBJECT_SAN_NOT_CRITICAL 88
311	# define X509_V_ERR_CA_BCONS_NOT_CRITICAL 89
312	# define X509_V_ERR_AUTHORITY_KEY_IDENTIFIER_CRITICAL 90
313	# define X509_V_ERR_SUBJECT_KEY_IDENTIFIER_CRITICAL 91
314	# define X509_V_ERR_CA_CERT_MISSING_KEY_USAGE 92
315	# define X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 93
316	# define X509_V_ERR_EC_KEY_EXPLICIT_PARAMS 94
317	# define X509_V_ERR_RPK_UNTRUSTED 95
318
319	/* Certificate verify flags */
320	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
321	# define X509_V_FLAG_CB_ISSUER_CHECK 0x0 /* Deprecated */
322	# endif
323	/* Use check time instead of current time */
324	# define X509_V_FLAG_USE_CHECK_TIME 0x2
325	/* Lookup CRLs */
326	# define X509_V_FLAG_CRL_CHECK 0x4
327	/* Lookup CRLs for whole chain */
328	# define X509_V_FLAG_CRL_CHECK_ALL 0x8
329	/* Ignore unhandled critical extensions */
330	# define X509_V_FLAG_IGNORE_CRITICAL 0x10
331	/* Disable workarounds for broken certificates */
332	# define X509_V_FLAG_X509_STRICT 0x20
333	/* Enable proxy certificate validation */
334	# define X509_V_FLAG_ALLOW_PROXY_CERTS 0x40
335	/* Enable policy checking */
336	# define X509_V_FLAG_POLICY_CHECK 0x80
337	/* Policy variable require-explicit-policy */
338	# define X509_V_FLAG_EXPLICIT_POLICY 0x100
339	/* Policy variable inhibit-any-policy */
340	# define X509_V_FLAG_INHIBIT_ANY 0x200
341	/* Policy variable inhibit-policy-mapping */
342	# define X509_V_FLAG_INHIBIT_MAP 0x400
343	/* Notify callback that policy is OK */
344	# define X509_V_FLAG_NOTIFY_POLICY 0x800
345	/* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
346	# define X509_V_FLAG_EXTENDED_CRL_SUPPORT 0x1000
347	/* Delta CRL support */
348	# define X509_V_FLAG_USE_DELTAS 0x2000
349	/* Check self-signed CA signature */
350	# define X509_V_FLAG_CHECK_SS_SIGNATURE 0x4000
351	/* Use trusted store first */
352	# define X509_V_FLAG_TRUSTED_FIRST 0x8000
353	/* Suite B 128 bit only mode: not normally used */
354	# define X509_V_FLAG_SUITEB_128_LOS_ONLY 0x10000
355	/* Suite B 192 bit only mode */
356	# define X509_V_FLAG_SUITEB_192_LOS 0x20000
357	/* Suite B 128 bit mode allowing 192 bit algorithms */
358	# define X509_V_FLAG_SUITEB_128_LOS 0x30000
359	/* Allow partial chains if at least one certificate is in trusted store */
360	# define X509_V_FLAG_PARTIAL_CHAIN 0x80000
361	/*
362	* If the initial chain is not trusted, do not attempt to build an alternative
363	* chain. Alternate chain checking was introduced in 1.1.0. Setting this flag
364	* will force the behaviour to match that of previous versions.
365	*/
366	# define X509_V_FLAG_NO_ALT_CHAINS 0x100000
367	/* Do not check certificate/CRL validity against current time */
368	# define X509_V_FLAG_NO_CHECK_TIME 0x200000
369
370	# define X509_VP_FLAG_DEFAULT 0x1
371	# define X509_VP_FLAG_OVERWRITE 0x2
372	# define X509_VP_FLAG_RESET_FLAGS 0x4
373	# define X509_VP_FLAG_LOCKED 0x8
374	# define X509_VP_FLAG_ONCE 0x10
375
376	/* Internal use: mask of policy related options */
377	# define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
378	\| X509_V_FLAG_EXPLICIT_POLICY \
379	\| X509_V_FLAG_INHIBIT_ANY \
380	\| X509_V_FLAG_INHIBIT_MAP)
381
382	int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
383	const X509_NAME *name);
384	X509_OBJECT X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) h,
385	X509_LOOKUP_TYPE type,
386	const X509_NAME *name);
387	X509_OBJECT X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) h,
388	X509_OBJECT *x);
389	int X509_OBJECT_up_ref_count(X509_OBJECT *a);
390	X509_OBJECT *X509_OBJECT_new(void);
391	void X509_OBJECT_free(X509_OBJECT *a);
392	X509_LOOKUP_TYPE X509_OBJECT_get_type(const X509_OBJECT *a);
393	X509 X509_OBJECT_get0_X509(const X509_OBJECT a);
394	int X509_OBJECT_set1_X509(X509_OBJECT a, X509 obj);
395	X509_CRL X509_OBJECT_get0_X509_CRL(const X509_OBJECT a);
396	int X509_OBJECT_set1_X509_CRL(X509_OBJECT a, X509_CRL obj);
397	X509_STORE *X509_STORE_new(void);
398	void X509_STORE_free(X509_STORE *xs);
399	int X509_STORE_lock(X509_STORE *xs);
400	int X509_STORE_unlock(X509_STORE *xs);
401	int X509_STORE_up_ref(X509_STORE *xs);
402	STACK_OF(X509_OBJECT) X509_STORE_get0_objects(const X509_STORE xs);
403	STACK_OF(X509_OBJECT) X509_STORE_get1_objects(X509_STORE xs);
404	STACK_OF(X509) X509_STORE_get1_all_certs(X509_STORE xs);
405	STACK_OF(X509) X509_STORE_CTX_get1_certs(X509_STORE_CTX xs,
406	const X509_NAME *nm);
407	STACK_OF(X509_CRL) X509_STORE_CTX_get1_crls(const X509_STORE_CTX st,
408	const X509_NAME *nm);
409	int X509_STORE_set_flags(X509_STORE *xs, unsigned long flags);
410	int X509_STORE_set_purpose(X509_STORE *xs, int purpose);
411	int X509_STORE_set_trust(X509_STORE *xs, int trust);
412	int X509_STORE_set1_param(X509_STORE xs, const X509_VERIFY_PARAM pm);
413	X509_VERIFY_PARAM X509_STORE_get0_param(const X509_STORE xs);
414
415	void X509_STORE_set_verify(X509_STORE *xs, X509_STORE_CTX_verify_fn verify);
416	#define X509_STORE_set_verify_func(ctx, func) \
417	X509_STORE_set_verify((ctx),(func))
418	void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
419	X509_STORE_CTX_verify_fn verify);
420	X509_STORE_CTX_verify_fn X509_STORE_get_verify(const X509_STORE *xs);
421	void X509_STORE_set_verify_cb(X509_STORE *xs,
422	X509_STORE_CTX_verify_cb verify_cb);
423	# define X509_STORE_set_verify_cb_func(ctx,func) \
424	X509_STORE_set_verify_cb((ctx),(func))
425	X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(const X509_STORE *xs);
426	void X509_STORE_set_get_issuer(X509_STORE *xs,
427	X509_STORE_CTX_get_issuer_fn get_issuer);
428	X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(const X509_STORE *xs);
429	void X509_STORE_set_check_issued(X509_STORE *xs,
430	X509_STORE_CTX_check_issued_fn check_issued);
431	X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(const X509_STORE *s);
432	void X509_STORE_set_check_revocation(X509_STORE *xs,
433	X509_STORE_CTX_check_revocation_fn check_revocation);
434	X509_STORE_CTX_check_revocation_fn
435	X509_STORE_get_check_revocation(const X509_STORE *xs);
436	void X509_STORE_set_get_crl(X509_STORE *xs,
437	X509_STORE_CTX_get_crl_fn get_crl);
438	X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(const X509_STORE *xs);
439	void X509_STORE_set_check_crl(X509_STORE *xs,
440	X509_STORE_CTX_check_crl_fn check_crl);
441	X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(const X509_STORE *xs);
442	void X509_STORE_set_cert_crl(X509_STORE *xs,
443	X509_STORE_CTX_cert_crl_fn cert_crl);
444	X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(const X509_STORE *xs);
445	void X509_STORE_set_check_policy(X509_STORE *xs,
446	X509_STORE_CTX_check_policy_fn check_policy);
447	X509_STORE_CTX_check_policy_fn X509_STORE_get_check_policy(const X509_STORE *s);
448	void X509_STORE_set_lookup_certs(X509_STORE *xs,
449	X509_STORE_CTX_lookup_certs_fn lookup_certs);
450	X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(const X509_STORE *s);
451	void X509_STORE_set_lookup_crls(X509_STORE *xs,
452	X509_STORE_CTX_lookup_crls_fn lookup_crls);
453	#define X509_STORE_set_lookup_crls_cb(ctx, func) \
454	X509_STORE_set_lookup_crls((ctx), (func))
455	X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(const X509_STORE *xs);
456	void X509_STORE_set_cleanup(X509_STORE *xs,
457	X509_STORE_CTX_cleanup_fn cleanup);
458	X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(const X509_STORE *xs);
459
460	#define X509_STORE_get_ex_new_index(l, p, newf, dupf, freef) \
461	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE, l, p, newf, dupf, freef)
462	int X509_STORE_set_ex_data(X509_STORE xs, int idx, void data);
463	void X509_STORE_get_ex_data(const X509_STORE xs, int idx);
464
465	X509_STORE_CTX X509_STORE_CTX_new_ex(OSSL_LIB_CTX libctx, const char *propq);
466	X509_STORE_CTX *X509_STORE_CTX_new(void);
467
468	int X509_STORE_CTX_get1_issuer(X509 *issuer, X509_STORE_CTX ctx, X509 *x);
469
470	void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
471	int X509_STORE_CTX_init(X509_STORE_CTX ctx, X509_STORE trust_store,
472	X509 target, STACK_OF(X509) untrusted);
473	int X509_STORE_CTX_init_rpk(X509_STORE_CTX ctx, X509_STORE trust_store,
474	EVP_PKEY* rpk);
475	void X509_STORE_CTX_set0_trusted_stack(X509_STORE_CTX ctx, STACK_OF(X509) sk);
476	void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
477
478	X509_STORE X509_STORE_CTX_get0_store(const X509_STORE_CTX ctx);
479	X509 X509_STORE_CTX_get0_cert(const X509_STORE_CTX ctx);
480	EVP_PKEY X509_STORE_CTX_get0_rpk(const X509_STORE_CTX ctx);
481	STACK_OF(X509)* X509_STORE_CTX_get0_untrusted(const X509_STORE_CTX *ctx);
482	void X509_STORE_CTX_set0_untrusted(X509_STORE_CTX ctx, STACK_OF(X509) sk);
483	void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
484	X509_STORE_CTX_verify_cb verify);
485	X509_STORE_CTX_verify_cb X509_STORE_CTX_get_verify_cb(const X509_STORE_CTX *ctx);
486	X509_STORE_CTX_verify_fn X509_STORE_CTX_get_verify(const X509_STORE_CTX *ctx);
487	X509_STORE_CTX_get_issuer_fn X509_STORE_CTX_get_get_issuer(const X509_STORE_CTX *ctx);
488	X509_STORE_CTX_check_issued_fn X509_STORE_CTX_get_check_issued(const X509_STORE_CTX *ctx);
489	X509_STORE_CTX_check_revocation_fn X509_STORE_CTX_get_check_revocation(const X509_STORE_CTX *ctx);
490	void X509_STORE_CTX_set_get_crl(X509_STORE_CTX *ctx,
491	X509_STORE_CTX_get_crl_fn get_crl);
492	X509_STORE_CTX_get_crl_fn X509_STORE_CTX_get_get_crl(const X509_STORE_CTX *ctx);
493	X509_STORE_CTX_check_crl_fn X509_STORE_CTX_get_check_crl(const X509_STORE_CTX *ctx);
494	X509_STORE_CTX_cert_crl_fn X509_STORE_CTX_get_cert_crl(const X509_STORE_CTX *ctx);
495	X509_STORE_CTX_check_policy_fn X509_STORE_CTX_get_check_policy(const X509_STORE_CTX *ctx);
496	X509_STORE_CTX_lookup_certs_fn X509_STORE_CTX_get_lookup_certs(const X509_STORE_CTX *ctx);
497	X509_STORE_CTX_lookup_crls_fn X509_STORE_CTX_get_lookup_crls(const X509_STORE_CTX *ctx);
498	X509_STORE_CTX_cleanup_fn X509_STORE_CTX_get_cleanup(const X509_STORE_CTX *ctx);
499
500	#ifndef OPENSSL_NO_DEPRECATED_1_1_0
501	# define X509_STORE_CTX_get_chain X509_STORE_CTX_get0_chain
502	# define X509_STORE_CTX_set_chain X509_STORE_CTX_set0_untrusted
503	# define X509_STORE_CTX_trusted_stack X509_STORE_CTX_set0_trusted_stack
504	# define X509_STORE_get_by_subject X509_STORE_CTX_get_by_subject
505	# define X509_STORE_get1_certs X509_STORE_CTX_get1_certs
506	# define X509_STORE_get1_crls X509_STORE_CTX_get1_crls
507	/* the following macro is misspelled; use X509_STORE_get1_certs instead */
508	# define X509_STORE_get1_cert X509_STORE_CTX_get1_certs
509	/* the following macro is misspelled; use X509_STORE_get1_crls instead */
510	# define X509_STORE_get1_crl X509_STORE_CTX_get1_crls
511	#endif
512
513	X509_LOOKUP X509_STORE_add_lookup(X509_STORE xs, X509_LOOKUP_METHOD *m);
514	X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
515	X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
516	X509_LOOKUP_METHOD *X509_LOOKUP_store(void);
517
518	typedef int (X509_LOOKUP_ctrl_fn)(X509_LOOKUP ctx, int cmd, const char *argc,
519	long argl, char **ret);
520	typedef int (*X509_LOOKUP_ctrl_ex_fn)(
521	X509_LOOKUP ctx, int cmd, const char argc, long argl, char **ret,
522	OSSL_LIB_CTX libctx, const char propq);
523
524	typedef int (X509_LOOKUP_get_by_subject_fn)(X509_LOOKUP ctx,
525	X509_LOOKUP_TYPE type,
526	const X509_NAME *name,
527	X509_OBJECT *ret);
528	typedef int (X509_LOOKUP_get_by_subject_ex_fn)(X509_LOOKUP ctx,
529	X509_LOOKUP_TYPE type,
530	const X509_NAME *name,
531	X509_OBJECT *ret,
532	OSSL_LIB_CTX *libctx,
533	const char *propq);
534	typedef int (X509_LOOKUP_get_by_issuer_serial_fn)(X509_LOOKUP ctx,
535	X509_LOOKUP_TYPE type,
536	const X509_NAME *name,
537	const ASN1_INTEGER *serial,
538	X509_OBJECT *ret);
539	typedef int (X509_LOOKUP_get_by_fingerprint_fn)(X509_LOOKUP ctx,
540	X509_LOOKUP_TYPE type,
541	const unsigned char* bytes,
542	int len,
543	X509_OBJECT *ret);
544	typedef int (X509_LOOKUP_get_by_alias_fn)(X509_LOOKUP ctx,
545	X509_LOOKUP_TYPE type,
546	const char *str,
547	int len,
548	X509_OBJECT *ret);
549
550	X509_LOOKUP_METHOD X509_LOOKUP_meth_new(const char name);
551	void X509_LOOKUP_meth_free(X509_LOOKUP_METHOD *method);
552
553	int X509_LOOKUP_meth_set_new_item(X509_LOOKUP_METHOD *method,
554	int (new_item) (X509_LOOKUP ctx));
555	int (X509_LOOKUP_meth_get_new_item(const X509_LOOKUP_METHOD method))
556	(X509_LOOKUP *ctx);
557
558	int X509_LOOKUP_meth_set_free(X509_LOOKUP_METHOD *method,
559	void (free_fn) (X509_LOOKUP ctx));
560	void (X509_LOOKUP_meth_get_free(const X509_LOOKUP_METHOD method))
561	(X509_LOOKUP *ctx);
562
563	int X509_LOOKUP_meth_set_init(X509_LOOKUP_METHOD *method,
564	int (init) (X509_LOOKUP ctx));
565	int (X509_LOOKUP_meth_get_init(const X509_LOOKUP_METHOD method))
566	(X509_LOOKUP *ctx);
567
568	int X509_LOOKUP_meth_set_shutdown(X509_LOOKUP_METHOD *method,
569	int (shutdown) (X509_LOOKUP ctx));
570	int (X509_LOOKUP_meth_get_shutdown(const X509_LOOKUP_METHOD method))
571	(X509_LOOKUP *ctx);
572
573	int X509_LOOKUP_meth_set_ctrl(X509_LOOKUP_METHOD *method,
574	X509_LOOKUP_ctrl_fn ctrl_fn);
575	X509_LOOKUP_ctrl_fn X509_LOOKUP_meth_get_ctrl(const X509_LOOKUP_METHOD *method);
576
577	int X509_LOOKUP_meth_set_get_by_subject(X509_LOOKUP_METHOD *method,
578	X509_LOOKUP_get_by_subject_fn fn);
579	X509_LOOKUP_get_by_subject_fn X509_LOOKUP_meth_get_get_by_subject(
580	const X509_LOOKUP_METHOD *method);
581
582	int X509_LOOKUP_meth_set_get_by_issuer_serial(X509_LOOKUP_METHOD *method,
583	X509_LOOKUP_get_by_issuer_serial_fn fn);
584	X509_LOOKUP_get_by_issuer_serial_fn X509_LOOKUP_meth_get_get_by_issuer_serial(
585	const X509_LOOKUP_METHOD *method);
586
587	int X509_LOOKUP_meth_set_get_by_fingerprint(X509_LOOKUP_METHOD *method,
588	X509_LOOKUP_get_by_fingerprint_fn fn);
589	X509_LOOKUP_get_by_fingerprint_fn X509_LOOKUP_meth_get_get_by_fingerprint(
590	const X509_LOOKUP_METHOD *method);
591
592	int X509_LOOKUP_meth_set_get_by_alias(X509_LOOKUP_METHOD *method,
593	X509_LOOKUP_get_by_alias_fn fn);
594	X509_LOOKUP_get_by_alias_fn X509_LOOKUP_meth_get_get_by_alias(
595	const X509_LOOKUP_METHOD *method);
596
597
598	int X509_STORE_add_cert(X509_STORE xs, X509 x);
599	int X509_STORE_add_crl(X509_STORE xs, X509_CRL x);
600
601	int X509_STORE_CTX_get_by_subject(const X509_STORE_CTX *vs,
602	X509_LOOKUP_TYPE type,
603	const X509_NAME name, X509_OBJECT ret);
604	X509_OBJECT X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX vs,
605	X509_LOOKUP_TYPE type,
606	const X509_NAME *name);
607
608	int X509_LOOKUP_ctrl(X509_LOOKUP ctx, int cmd, const char argc,
609	long argl, char **ret);
610	int X509_LOOKUP_ctrl_ex(X509_LOOKUP ctx, int cmd, const char argc, long argl,
611	char *ret, OSSL_LIB_CTX libctx, const char *propq);
612
613	int X509_load_cert_file(X509_LOOKUP ctx, const char file, int type);
614	int X509_load_cert_file_ex(X509_LOOKUP ctx, const char file, int type,
615	OSSL_LIB_CTX libctx, const char propq);
616	int X509_load_crl_file(X509_LOOKUP ctx, const char file, int type);
617	int X509_load_cert_crl_file(X509_LOOKUP ctx, const char file, int type);
618	int X509_load_cert_crl_file_ex(X509_LOOKUP ctx, const char file, int type,
619	OSSL_LIB_CTX libctx, const char propq);
620
621	X509_LOOKUP X509_LOOKUP_new(X509_LOOKUP_METHOD method);
622	void X509_LOOKUP_free(X509_LOOKUP *ctx);
623	int X509_LOOKUP_init(X509_LOOKUP *ctx);
624	int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
625	const X509_NAME name, X509_OBJECT ret);
626	int X509_LOOKUP_by_subject_ex(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
627	const X509_NAME name, X509_OBJECT ret,
628	OSSL_LIB_CTX libctx, const char propq);
629	int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
630	const X509_NAME *name,
631	const ASN1_INTEGER *serial,
632	X509_OBJECT *ret);
633	int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
634	const unsigned char *bytes, int len,
635	X509_OBJECT *ret);
636	int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
637	const char str, int len, X509_OBJECT ret);
638	int X509_LOOKUP_set_method_data(X509_LOOKUP ctx, void data);
639	void X509_LOOKUP_get_method_data(const X509_LOOKUP ctx);
640	X509_STORE X509_LOOKUP_get_store(const X509_LOOKUP ctx);
641	int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
642
643	int X509_STORE_load_file(X509_STORE xs, const char file);
644	int X509_STORE_load_path(X509_STORE xs, const char path);
645	int X509_STORE_load_store(X509_STORE xs, const char store);
646	int X509_STORE_load_locations(X509_STORE s, const char file, const char *dir);
647	int X509_STORE_set_default_paths(X509_STORE *xs);
648
649	int X509_STORE_load_file_ex(X509_STORE xs, const char file,
650	OSSL_LIB_CTX libctx, const char propq);
651	int X509_STORE_load_store_ex(X509_STORE xs, const char store,
652	OSSL_LIB_CTX libctx, const char propq);
653	int X509_STORE_load_locations_ex(X509_STORE *xs,
654	const char file, const char dir,
655	OSSL_LIB_CTX libctx, const char propq);
656	int X509_STORE_set_default_paths_ex(X509_STORE *xs,
657	OSSL_LIB_CTX libctx, const char propq);
658
659	#define X509_STORE_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
660	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, l, p, newf, dupf, freef)
661	int X509_STORE_CTX_set_ex_data(X509_STORE_CTX ctx, int idx, void data);
662	void X509_STORE_CTX_get_ex_data(const X509_STORE_CTX ctx, int idx);
663	int X509_STORE_CTX_get_error(const X509_STORE_CTX *ctx);
664	void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
665	int X509_STORE_CTX_get_error_depth(const X509_STORE_CTX *ctx);
666	void X509_STORE_CTX_set_error_depth(X509_STORE_CTX *ctx, int depth);
667	X509 X509_STORE_CTX_get_current_cert(const X509_STORE_CTX ctx);
668	void X509_STORE_CTX_set_current_cert(X509_STORE_CTX ctx, X509 x);
669	X509 X509_STORE_CTX_get0_current_issuer(const X509_STORE_CTX ctx);
670	X509_CRL X509_STORE_CTX_get0_current_crl(const X509_STORE_CTX ctx);
671	X509_STORE_CTX X509_STORE_CTX_get0_parent_ctx(const X509_STORE_CTX ctx);
672	STACK_OF(X509) X509_STORE_CTX_get0_chain(const X509_STORE_CTX ctx);
673	STACK_OF(X509) X509_STORE_CTX_get1_chain(const X509_STORE_CTX ctx);
674	void X509_STORE_CTX_set_cert(X509_STORE_CTX ctx, X509 target);
675	void X509_STORE_CTX_set0_rpk(X509_STORE_CTX ctx, EVP_PKEY target);
676	void X509_STORE_CTX_set0_verified_chain(X509_STORE_CTX c, STACK_OF(X509) sk);
677	void X509_STORE_CTX_set0_crls(X509_STORE_CTX ctx, STACK_OF(X509_CRL) sk);
678	int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
679	int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
680	int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
681	int purpose, int trust);
682	void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
683	void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
684	time_t t);
685	void X509_STORE_CTX_set_current_reasons(X509_STORE_CTX *ctx,
686	unsigned int current_reasons);
687
688	X509_POLICY_TREE X509_STORE_CTX_get0_policy_tree(const X509_STORE_CTX ctx);
689	int X509_STORE_CTX_get_explicit_policy(const X509_STORE_CTX *ctx);
690	int X509_STORE_CTX_get_num_untrusted(const X509_STORE_CTX *ctx);
691
692	X509_VERIFY_PARAM X509_STORE_CTX_get0_param(const X509_STORE_CTX ctx);
693	void X509_STORE_CTX_set0_param(X509_STORE_CTX ctx, X509_VERIFY_PARAM param);
694	int X509_STORE_CTX_set_default(X509_STORE_CTX ctx, const char name);
695
696	/*
697	* Bridge opacity barrier between libcrypt and libssl, also needed to support
698	* offline testing in test/danetest.c
699	*/
700	void X509_STORE_CTX_set0_dane(X509_STORE_CTX ctx, SSL_DANE dane);
701	#define DANE_FLAG_NO_DANE_EE_NAMECHECKS (1L << 0)
702
703	/* X509_VERIFY_PARAM functions */
704
705	X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
706	void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
707	int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
708	const X509_VERIFY_PARAM *from);
709	int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
710	const X509_VERIFY_PARAM *from);
711	int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM param, const char name);
712	int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param,
713	unsigned long flags);
714	int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
715	unsigned long flags);
716	unsigned long X509_VERIFY_PARAM_get_flags(const X509_VERIFY_PARAM *param);
717	int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
718	int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
719	void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
720	void X509_VERIFY_PARAM_set_auth_level(X509_VERIFY_PARAM *param, int auth_level);
721	time_t X509_VERIFY_PARAM_get_time(const X509_VERIFY_PARAM *param);
722	void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
723	int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
724	ASN1_OBJECT *policy);
725	int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
726	STACK_OF(ASN1_OBJECT) *policies);
727
728	int X509_VERIFY_PARAM_set_inh_flags(X509_VERIFY_PARAM *param,
729	uint32_t flags);
730	uint32_t X509_VERIFY_PARAM_get_inh_flags(const X509_VERIFY_PARAM *param);
731
732	char X509_VERIFY_PARAM_get0_host(X509_VERIFY_PARAM param, int idx);
733	int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
734	const char *name, size_t namelen);
735	int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
736	const char *name, size_t namelen);
737	void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
738	unsigned int flags);
739	unsigned int X509_VERIFY_PARAM_get_hostflags(const X509_VERIFY_PARAM *param);
740	char X509_VERIFY_PARAM_get0_peername(const X509_VERIFY_PARAM param);
741	void X509_VERIFY_PARAM_move_peername(X509_VERIFY_PARAM , X509_VERIFY_PARAM );
742	char X509_VERIFY_PARAM_get0_email(X509_VERIFY_PARAM param);
743	int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
744	const char *email, size_t emaillen);
745	char X509_VERIFY_PARAM_get1_ip_asc(X509_VERIFY_PARAM param);
746	int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
747	const unsigned char *ip, size_t iplen);
748	int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param,
749	const char *ipasc);
750
751	int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
752	int X509_VERIFY_PARAM_get_auth_level(const X509_VERIFY_PARAM *param);
753	const char X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM param);
754
755	int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
756	int X509_VERIFY_PARAM_get_count(void);
757	const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
758	const X509_VERIFY_PARAM X509_VERIFY_PARAM_lookup(const char name);
759	void X509_VERIFY_PARAM_table_cleanup(void);
760
761	/* Non positive return values are errors */
762	#define X509_PCY_TREE_FAILURE -2 /* Failure to satisfy explicit policy */
763	#define X509_PCY_TREE_INVALID -1 /* Inconsistent or invalid extensions */
764	#define X509_PCY_TREE_INTERNAL 0 /* Internal error, most likely malloc */
765
766	/*
767	* Positive return values form a bit mask, all but the first are internal to
768	* the library and don't appear in results from X509_policy_check().
769	*/
770	#define X509_PCY_TREE_VALID 1 /* The policy tree is valid */
771	#define X509_PCY_TREE_EMPTY 2 /* The policy tree is empty */
772	#define X509_PCY_TREE_EXPLICIT 4 /* Explicit policy required */
773
774	int X509_policy_check(X509_POLICY_TREE *ptree, int pexplicit_policy,
775	STACK_OF(X509) *certs,
776	STACK_OF(ASN1_OBJECT) *policy_oids, unsigned int flags);
777
778	void X509_policy_tree_free(X509_POLICY_TREE *tree);
779
780	int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
781	X509_POLICY_LEVEL X509_policy_tree_get0_level(const X509_POLICY_TREE tree,
782	int i);
783
784	STACK_OF(X509_POLICY_NODE)
785	X509_policy_tree_get0_policies(const X509_POLICY_TREE tree);
786
787	STACK_OF(X509_POLICY_NODE)
788	X509_policy_tree_get0_user_policies(const X509_POLICY_TREE tree);
789
790	int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
791
792	X509_POLICY_NODE X509_policy_level_get0_node(const X509_POLICY_LEVEL level,
793	int i);
794
795	const ASN1_OBJECT X509_policy_node_get0_policy(const X509_POLICY_NODE node);
796
797	STACK_OF(POLICYQUALINFO)
798	X509_policy_node_get0_qualifiers(const X509_POLICY_NODE node);
799	const X509_POLICY_NODE
800	X509_policy_node_get0_parent(const X509_POLICY_NODE node);
801
802	#ifdef __cplusplus
803	}
804	#endif
805	#endif

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