Reorganize third-party dependencies into `thirdparty` directory (#491)

* rename `include` to `thirdparty`
* remove duplicate minhook in wsock32
* move minhook into its own directory
* move openssl lib into separate directories

1 files changed, 797 insertions, 0 deletions

diff --git a/thirdparty/openssl/x509_vfy.h.in b/thirdparty/openssl/x509_vfy.h.in
new file mode 100644
index 00000000..80f18bd7
--- /dev/null
+++ b/thirdparty/openssl/x509_vfy.h.in
@@ -0,0 +1,797 @@
+/*
+ * {- join("\n * ", @autowarntext) -}
+ *
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+{-
+use OpenSSL::stackhash qw(generate_stack_macros);
+-}
+
+#ifndef OPENSSL_X509_VFY_H
+# define OPENSSL_X509_VFY_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+#  define HEADER_X509_VFY_H
+# endif
+
+/*
+ * Protect against recursion, x509.h and x509_vfy.h each include the other.
+ */
+# ifndef OPENSSL_X509_H
+#  include <openssl/x509.h>
+# endif
+
+# include <openssl/opensslconf.h>
+# include <openssl/lhash.h>
+# include <openssl/bio.h>
+# include <openssl/crypto.h>
+# include <openssl/symhacks.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/*-
+SSL_CTX -> X509_STORE
+                -> X509_LOOKUP
+                        ->X509_LOOKUP_METHOD
+                -> X509_LOOKUP
+                        ->X509_LOOKUP_METHOD
+
+SSL     -> X509_STORE_CTX
+                ->X509_STORE
+
+The X509_STORE holds the tables etc for verification stuff.
+A X509_STORE_CTX is used while validating a single certificate.
+The X509_STORE has X509_LOOKUPs for looking up certs.
+The X509_STORE then calls a function to actually verify the
+certificate chain.
+*/
+
+typedef enum {
+    X509_LU_NONE = 0,
+    X509_LU_X509, X509_LU_CRL
+} X509_LOOKUP_TYPE;
+
+#ifndef OPENSSL_NO_DEPRECATED_1_1_0
+#define X509_LU_RETRY   -1
+#define X509_LU_FAIL    0
+#endif
+
+{-
+    generate_stack_macros("X509_LOOKUP")
+    .generate_stack_macros("X509_OBJECT")
+    .generate_stack_macros("X509_VERIFY_PARAM");
+-}
+
+/* This is used for a table of trust checking functions */
+typedef struct x509_trust_st {
+    int trust;
+    int flags;
+    int (*check_trust) (struct x509_trust_st *, X509 *, int);
+    char *name;
+    int arg1;
+    void *arg2;
+} X509_TRUST;
+{-
+    generate_stack_macros("X509_TRUST");
+-}
+
+/* standard trust ids */
+# define X509_TRUST_DEFAULT      0 /* Only valid in purpose settings */
+# define X509_TRUST_COMPAT       1
+# define X509_TRUST_SSL_CLIENT   2
+# define X509_TRUST_SSL_SERVER   3
+# define X509_TRUST_EMAIL        4
+# define X509_TRUST_OBJECT_SIGN  5
+# define X509_TRUST_OCSP_SIGN    6
+# define X509_TRUST_OCSP_REQUEST 7
+# define X509_TRUST_TSA          8
+/* Keep these up to date! */
+# define X509_TRUST_MIN          1
+# define X509_TRUST_MAX          8
+
+/* trust_flags values */
+# define X509_TRUST_DYNAMIC      (1U << 0)
+# define X509_TRUST_DYNAMIC_NAME (1U << 1)
+/* No compat trust if self-signed, preempts "DO_SS" */
+# define X509_TRUST_NO_SS_COMPAT (1U << 2)
+/* Compat trust if no explicit accepted trust EKUs */
+# define X509_TRUST_DO_SS_COMPAT (1U << 3)
+/* Accept "anyEKU" as a wildcard rejection OID and as a wildcard trust OID */
+# define X509_TRUST_OK_ANY_EKU   (1U << 4)
+
+/* check_trust return codes */
+# define X509_TRUST_TRUSTED      1
+# define X509_TRUST_REJECTED     2
+# define X509_TRUST_UNTRUSTED    3
+
+int X509_TRUST_set(int *t, int trust);
+int X509_TRUST_get_count(void);
+X509_TRUST *X509_TRUST_get0(int idx);
+int X509_TRUST_get_by_id(int id);
+int X509_TRUST_add(int id, int flags, int (*ck) (X509_TRUST *, X509 *, int),
+                   const char *name, int arg1, void *arg2);
+void X509_TRUST_cleanup(void);
+int X509_TRUST_get_flags(const X509_TRUST *xp);
+char *X509_TRUST_get0_name(const X509_TRUST *xp);
+int X509_TRUST_get_trust(const X509_TRUST *xp);
+
+int X509_trusted(const X509 *x);
+int X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj);
+int X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj);
+void X509_trust_clear(X509 *x);
+void X509_reject_clear(X509 *x);
+STACK_OF(ASN1_OBJECT) *X509_get0_trust_objects(X509 *x);
+STACK_OF(ASN1_OBJECT) *X509_get0_reject_objects(X509 *x);
+
+int (*X509_TRUST_set_default(int (*trust) (int, X509 *, int))) (int, X509 *,
+                                                                int);
+int X509_check_trust(X509 *x, int id, int flags);
+
+int X509_verify_cert(X509_STORE_CTX *ctx);
+int X509_STORE_CTX_verify(X509_STORE_CTX *ctx);
+STACK_OF(X509) *X509_build_chain(X509 *target, STACK_OF(X509) *certs,
+                                 X509_STORE *store, int with_self_signed,
+                                 OSSL_LIB_CTX *libctx, const char *propq);
+
+int X509_STORE_set_depth(X509_STORE *store, int depth);
+
+typedef int (*X509_STORE_CTX_verify_cb)(int, X509_STORE_CTX *);
+int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx);
+typedef int (*X509_STORE_CTX_verify_fn)(X509_STORE_CTX *);
+typedef int (*X509_STORE_CTX_get_issuer_fn)(X509 **issuer,
+                                            X509_STORE_CTX *ctx, X509 *x);
+typedef int (*X509_STORE_CTX_check_issued_fn)(X509_STORE_CTX *ctx,
+                                              X509 *x, X509 *issuer);
+typedef int (*X509_STORE_CTX_check_revocation_fn)(X509_STORE_CTX *ctx);
+typedef int (*X509_STORE_CTX_get_crl_fn)(X509_STORE_CTX *ctx,
+                                         X509_CRL **crl, X509 *x);
+typedef int (*X509_STORE_CTX_check_crl_fn)(X509_STORE_CTX *ctx, X509_CRL *crl);
+typedef int (*X509_STORE_CTX_cert_crl_fn)(X509_STORE_CTX *ctx,
+                                          X509_CRL *crl, X509 *x);
+typedef int (*X509_STORE_CTX_check_policy_fn)(X509_STORE_CTX *ctx);
+typedef STACK_OF(X509)
+    *(*X509_STORE_CTX_lookup_certs_fn)(X509_STORE_CTX *ctx,
+                                       const X509_NAME *nm);
+typedef STACK_OF(X509_CRL)
+    *(*X509_STORE_CTX_lookup_crls_fn)(const X509_STORE_CTX *ctx,
+                                      const X509_NAME *nm);
+typedef int (*X509_STORE_CTX_cleanup_fn)(X509_STORE_CTX *ctx);
+
+void X509_STORE_CTX_set_depth(X509_STORE_CTX *ctx, int depth);
+
+# define X509_STORE_CTX_set_app_data(ctx,data) \
+        X509_STORE_CTX_set_ex_data(ctx,0,data)
+# define X509_STORE_CTX_get_app_data(ctx) \
+        X509_STORE_CTX_get_ex_data(ctx,0)
+
+# define X509_L_FILE_LOAD        1
+# define X509_L_ADD_DIR          2
+# define X509_L_ADD_STORE        3
+# define X509_L_LOAD_STORE       4
+
+# define X509_LOOKUP_load_file(x,name,type) \
+                X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
+
+# define X509_LOOKUP_add_dir(x,name,type) \
+                X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
+
+# define X509_LOOKUP_add_store(x,name) \
+                X509_LOOKUP_ctrl((x),X509_L_ADD_STORE,(name),0,NULL)
+
+# define X509_LOOKUP_load_store(x,name) \
+                X509_LOOKUP_ctrl((x),X509_L_LOAD_STORE,(name),0,NULL)
+
+# define X509_LOOKUP_load_file_ex(x, name, type, libctx, propq)       \
+X509_LOOKUP_ctrl_ex((x), X509_L_FILE_LOAD, (name), (long)(type), NULL,\
+                    (libctx), (propq))
+
+# define X509_LOOKUP_load_store_ex(x, name, libctx, propq)            \
+X509_LOOKUP_ctrl_ex((x), X509_L_LOAD_STORE, (name), 0, NULL,          \
+                    (libctx), (propq))
+
+# define X509_LOOKUP_add_store_ex(x, name, libctx, propq)             \
+X509_LOOKUP_ctrl_ex((x), X509_L_ADD_STORE, (name), 0, NULL,           \
+                    (libctx), (propq))
+
+# define X509_V_OK                                       0
+# define X509_V_ERR_UNSPECIFIED                          1
+# define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT            2
+# define X509_V_ERR_UNABLE_TO_GET_CRL                    3
+# define X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE     4
+# define X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE      5
+# define X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY   6
+# define X509_V_ERR_CERT_SIGNATURE_FAILURE               7
+# define X509_V_ERR_CRL_SIGNATURE_FAILURE                8
+# define X509_V_ERR_CERT_NOT_YET_VALID                   9
+# define X509_V_ERR_CERT_HAS_EXPIRED                     10
+# define X509_V_ERR_CRL_NOT_YET_VALID                    11
+# define X509_V_ERR_CRL_HAS_EXPIRED                      12
+# define X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD       13
+# define X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD        14
+# define X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD       15
+# define X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD       16
+# define X509_V_ERR_OUT_OF_MEM                           17
+# define X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT          18
+# define X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN            19
+# define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY    20
+# define X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE      21
+# define X509_V_ERR_CERT_CHAIN_TOO_LONG                  22
+# define X509_V_ERR_CERT_REVOKED                         23
+# define X509_V_ERR_NO_ISSUER_PUBLIC_KEY                 24
+# define X509_V_ERR_PATH_LENGTH_EXCEEDED                 25
+# define X509_V_ERR_INVALID_PURPOSE                      26
+# define X509_V_ERR_CERT_UNTRUSTED                       27
+# define X509_V_ERR_CERT_REJECTED                        28
+
+/* These are 'informational' when looking for issuer cert */
+# define X509_V_ERR_SUBJECT_ISSUER_MISMATCH              29
+# define X509_V_ERR_AKID_SKID_MISMATCH                   30
+# define X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH          31
+# define X509_V_ERR_KEYUSAGE_NO_CERTSIGN                 32
+# define X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER             33
+# define X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION         34
+# define X509_V_ERR_KEYUSAGE_NO_CRL_SIGN                 35
+# define X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION     36
+# define X509_V_ERR_INVALID_NON_CA                       37
+# define X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED           38
+# define X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE        39
+# define X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED       40
+# define X509_V_ERR_INVALID_EXTENSION                    41
+# define X509_V_ERR_INVALID_POLICY_EXTENSION             42
+# define X509_V_ERR_NO_EXPLICIT_POLICY                   43
+# define X509_V_ERR_DIFFERENT_CRL_SCOPE                  44
+# define X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE        45
+# define X509_V_ERR_UNNESTED_RESOURCE                    46
+# define X509_V_ERR_PERMITTED_VIOLATION                  47
+# define X509_V_ERR_EXCLUDED_VIOLATION                   48
+# define X509_V_ERR_SUBTREE_MINMAX                       49
+/* The application is not happy */
+# define X509_V_ERR_APPLICATION_VERIFICATION             50
+# define X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE          51
+# define X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX        52
+# define X509_V_ERR_UNSUPPORTED_NAME_SYNTAX              53
+# define X509_V_ERR_CRL_PATH_VALIDATION_ERROR            54
+/* Another issuer check debug option */
+# define X509_V_ERR_PATH_LOOP                            55
+/* Suite B mode algorithm violation */
+# define X509_V_ERR_SUITE_B_INVALID_VERSION              56
+# define X509_V_ERR_SUITE_B_INVALID_ALGORITHM            57
+# define X509_V_ERR_SUITE_B_INVALID_CURVE                58
+# define X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM  59
+# define X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED              60
+# define X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256 61
+/* Host, email and IP check errors */
+# define X509_V_ERR_HOSTNAME_MISMATCH                    62
+# define X509_V_ERR_EMAIL_MISMATCH                       63
+# define X509_V_ERR_IP_ADDRESS_MISMATCH                  64
+/* DANE TLSA errors */
+# define X509_V_ERR_DANE_NO_MATCH                        65
+/* security level errors */
+# define X509_V_ERR_EE_KEY_TOO_SMALL                     66
+# define X509_V_ERR_CA_KEY_TOO_SMALL                     67
+# define X509_V_ERR_CA_MD_TOO_WEAK                       68
+/* Caller error */
+# define X509_V_ERR_INVALID_CALL                         69
+/* Issuer lookup error */
+# define X509_V_ERR_STORE_LOOKUP                         70
+/* Certificate transparency */
+# define X509_V_ERR_NO_VALID_SCTS                        71
+
+# define X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION         72
+/* OCSP status errors */
+# define X509_V_ERR_OCSP_VERIFY_NEEDED                   73  /* Need OCSP verification */
+# define X509_V_ERR_OCSP_VERIFY_FAILED                   74  /* Couldn't verify cert through OCSP */
+# define X509_V_ERR_OCSP_CERT_UNKNOWN                    75  /* Certificate wasn't recognized by the OCSP responder */
+
+# define X509_V_ERR_UNSUPPORTED_SIGNATURE_ALGORITHM      76
+# define X509_V_ERR_SIGNATURE_ALGORITHM_MISMATCH         77
+
+/* Errors in case a check in X509_V_FLAG_X509_STRICT mode fails */
+# define X509_V_ERR_SIGNATURE_ALGORITHM_INCONSISTENCY    78
+# define X509_V_ERR_INVALID_CA                           79
+# define X509_V_ERR_PATHLEN_INVALID_FOR_NON_CA           80
+# define X509_V_ERR_PATHLEN_WITHOUT_KU_KEY_CERT_SIGN     81
+# define X509_V_ERR_KU_KEY_CERT_SIGN_INVALID_FOR_NON_CA  82
+# define X509_V_ERR_ISSUER_NAME_EMPTY                    83
+# define X509_V_ERR_SUBJECT_NAME_EMPTY                   84
+# define X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER     85
+# define X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER       86
+# define X509_V_ERR_EMPTY_SUBJECT_ALT_NAME               87
+# define X509_V_ERR_EMPTY_SUBJECT_SAN_NOT_CRITICAL       88
+# define X509_V_ERR_CA_BCONS_NOT_CRITICAL                89
+# define X509_V_ERR_AUTHORITY_KEY_IDENTIFIER_CRITICAL    90
+# define X509_V_ERR_SUBJECT_KEY_IDENTIFIER_CRITICAL      91
+# define X509_V_ERR_CA_CERT_MISSING_KEY_USAGE            92
+# define X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3         93
+# define X509_V_ERR_EC_KEY_EXPLICIT_PARAMS               94
+
+/* Certificate verify flags */
+# ifndef OPENSSL_NO_DEPRECATED_1_1_0
+#  define X509_V_FLAG_CB_ISSUER_CHECK             0x0   /* Deprecated */
+# endif
+/* Use check time instead of current time */
+# define X509_V_FLAG_USE_CHECK_TIME              0x2
+/* Lookup CRLs */
+# define X509_V_FLAG_CRL_CHECK                   0x4
+/* Lookup CRLs for whole chain */
+# define X509_V_FLAG_CRL_CHECK_ALL               0x8
+/* Ignore unhandled critical extensions */
+# define X509_V_FLAG_IGNORE_CRITICAL             0x10
+/* Disable workarounds for broken certificates */
+# define X509_V_FLAG_X509_STRICT                 0x20
+/* Enable proxy certificate validation */
+# define X509_V_FLAG_ALLOW_PROXY_CERTS           0x40
+/* Enable policy checking */
+# define X509_V_FLAG_POLICY_CHECK                0x80
+/* Policy variable require-explicit-policy */
+# define X509_V_FLAG_EXPLICIT_POLICY             0x100
+/* Policy variable inhibit-any-policy */
+# define X509_V_FLAG_INHIBIT_ANY                 0x200
+/* Policy variable inhibit-policy-mapping */
+# define X509_V_FLAG_INHIBIT_MAP                 0x400
+/* Notify callback that policy is OK */
+# define X509_V_FLAG_NOTIFY_POLICY               0x800
+/* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
+# define X509_V_FLAG_EXTENDED_CRL_SUPPORT        0x1000
+/* Delta CRL support */
+# define X509_V_FLAG_USE_DELTAS                  0x2000
+/* Check self-signed CA signature */
+# define X509_V_FLAG_CHECK_SS_SIGNATURE          0x4000
+/* Use trusted store first */
+# define X509_V_FLAG_TRUSTED_FIRST               0x8000
+/* Suite B 128 bit only mode: not normally used */
+# define X509_V_FLAG_SUITEB_128_LOS_ONLY         0x10000
+/* Suite B 192 bit only mode */
+# define X509_V_FLAG_SUITEB_192_LOS              0x20000
+/* Suite B 128 bit mode allowing 192 bit algorithms */
+# define X509_V_FLAG_SUITEB_128_LOS              0x30000
+/* Allow partial chains if at least one certificate is in trusted store */
+# define X509_V_FLAG_PARTIAL_CHAIN               0x80000
+/*
+ * If the initial chain is not trusted, do not attempt to build an alternative
+ * chain. Alternate chain checking was introduced in 1.1.0. Setting this flag
+ * will force the behaviour to match that of previous versions.
+ */
+# define X509_V_FLAG_NO_ALT_CHAINS               0x100000
+/* Do not check certificate/CRL validity against current time */
+# define X509_V_FLAG_NO_CHECK_TIME               0x200000
+
+# define X509_VP_FLAG_DEFAULT                    0x1
+# define X509_VP_FLAG_OVERWRITE                  0x2
+# define X509_VP_FLAG_RESET_FLAGS                0x4
+# define X509_VP_FLAG_LOCKED                     0x8
+# define X509_VP_FLAG_ONCE                       0x10
+
+/* Internal use: mask of policy related options */
+# define X509_V_FLAG_POLICY_MASK (X509_V_FLAG_POLICY_CHECK \
+                                | X509_V_FLAG_EXPLICIT_POLICY \
+                                | X509_V_FLAG_INHIBIT_ANY \
+                                | X509_V_FLAG_INHIBIT_MAP)
+
+int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
+                               const X509_NAME *name);
+X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
+                                             X509_LOOKUP_TYPE type,
+                                             const X509_NAME *name);
+X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
+                                        X509_OBJECT *x);
+int X509_OBJECT_up_ref_count(X509_OBJECT *a);
+X509_OBJECT *X509_OBJECT_new(void);
+void X509_OBJECT_free(X509_OBJECT *a);
+X509_LOOKUP_TYPE X509_OBJECT_get_type(const X509_OBJECT *a);
+X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a);
+int X509_OBJECT_set1_X509(X509_OBJECT *a, X509 *obj);
+X509_CRL *X509_OBJECT_get0_X509_CRL(const X509_OBJECT *a);
+int X509_OBJECT_set1_X509_CRL(X509_OBJECT *a, X509_CRL *obj);
+X509_STORE *X509_STORE_new(void);
+void X509_STORE_free(X509_STORE *v);
+int X509_STORE_lock(X509_STORE *ctx);
+int X509_STORE_unlock(X509_STORE *ctx);
+int X509_STORE_up_ref(X509_STORE *v);
+STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(const X509_STORE *v);
+STACK_OF(X509) *X509_STORE_get1_all_certs(X509_STORE *st);
+STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *st,
+                                          const X509_NAME *nm);
+STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(const X509_STORE_CTX *st,
+                                             const X509_NAME *nm);
+int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
+int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
+int X509_STORE_set_trust(X509_STORE *ctx, int trust);
+int X509_STORE_set1_param(X509_STORE *ctx, const X509_VERIFY_PARAM *pm);
+X509_VERIFY_PARAM *X509_STORE_get0_param(const X509_STORE *ctx);
+
+void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify_fn verify);
+#define X509_STORE_set_verify_func(ctx, func) \
+            X509_STORE_set_verify((ctx),(func))
+void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
+                               X509_STORE_CTX_verify_fn verify);
+X509_STORE_CTX_verify_fn X509_STORE_get_verify(const X509_STORE *ctx);
+void X509_STORE_set_verify_cb(X509_STORE *ctx,
+                              X509_STORE_CTX_verify_cb verify_cb);
+# define X509_STORE_set_verify_cb_func(ctx,func) \
+            X509_STORE_set_verify_cb((ctx),(func))
+X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(const X509_STORE *ctx);
+void X509_STORE_set_get_issuer(X509_STORE *ctx,
+                               X509_STORE_CTX_get_issuer_fn get_issuer);
+X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(const X509_STORE *ctx);
+void X509_STORE_set_check_issued(X509_STORE *ctx,
+                                 X509_STORE_CTX_check_issued_fn check_issued);
+X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(const X509_STORE *ctx);
+void X509_STORE_set_check_revocation(X509_STORE *ctx,
+                                     X509_STORE_CTX_check_revocation_fn check_revocation);
+X509_STORE_CTX_check_revocation_fn
+    X509_STORE_get_check_revocation(const X509_STORE *ctx);
+void X509_STORE_set_get_crl(X509_STORE *ctx,
+                            X509_STORE_CTX_get_crl_fn get_crl);
+X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(const X509_STORE *ctx);
+void X509_STORE_set_check_crl(X509_STORE *ctx,
+                              X509_STORE_CTX_check_crl_fn check_crl);
+X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(const X509_STORE *ctx);
+void X509_STORE_set_cert_crl(X509_STORE *ctx,
+                             X509_STORE_CTX_cert_crl_fn cert_crl);
+X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(const X509_STORE *ctx);
+void X509_STORE_set_check_policy(X509_STORE *ctx,
+                                 X509_STORE_CTX_check_policy_fn check_policy);
+X509_STORE_CTX_check_policy_fn X509_STORE_get_check_policy(const X509_STORE *ctx);
+void X509_STORE_set_lookup_certs(X509_STORE *ctx,
+                                 X509_STORE_CTX_lookup_certs_fn lookup_certs);
+X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(const X509_STORE *ctx);
+void X509_STORE_set_lookup_crls(X509_STORE *ctx,
+                                X509_STORE_CTX_lookup_crls_fn lookup_crls);
+#define X509_STORE_set_lookup_crls_cb(ctx, func) \
+    X509_STORE_set_lookup_crls((ctx), (func))
+X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(const X509_STORE *ctx);
+void X509_STORE_set_cleanup(X509_STORE *ctx,
+                            X509_STORE_CTX_cleanup_fn cleanup);
+X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(const X509_STORE *ctx);
+
+#define X509_STORE_get_ex_new_index(l, p, newf, dupf, freef) \
+    CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE, l, p, newf, dupf, freef)
+int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data);
+void *X509_STORE_get_ex_data(const X509_STORE *ctx, int idx);
+
+X509_STORE_CTX *X509_STORE_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq);
+X509_STORE_CTX *X509_STORE_CTX_new(void);
+
+int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
+
+void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
+int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *trust_store,
+                        X509 *target, STACK_OF(X509) *untrusted);
+void X509_STORE_CTX_set0_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
+void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
+
+X509_STORE *X509_STORE_CTX_get0_store(const X509_STORE_CTX *ctx);
+X509 *X509_STORE_CTX_get0_cert(const X509_STORE_CTX *ctx);
+STACK_OF(X509)* X509_STORE_CTX_get0_untrusted(const X509_STORE_CTX *ctx);
+void X509_STORE_CTX_set0_untrusted(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
+void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
+                                  X509_STORE_CTX_verify_cb verify);
+X509_STORE_CTX_verify_cb X509_STORE_CTX_get_verify_cb(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_verify_fn X509_STORE_CTX_get_verify(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_get_issuer_fn X509_STORE_CTX_get_get_issuer(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_check_issued_fn X509_STORE_CTX_get_check_issued(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_check_revocation_fn X509_STORE_CTX_get_check_revocation(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_get_crl_fn X509_STORE_CTX_get_get_crl(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_check_crl_fn X509_STORE_CTX_get_check_crl(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_cert_crl_fn X509_STORE_CTX_get_cert_crl(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_check_policy_fn X509_STORE_CTX_get_check_policy(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_lookup_certs_fn X509_STORE_CTX_get_lookup_certs(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_lookup_crls_fn X509_STORE_CTX_get_lookup_crls(const X509_STORE_CTX *ctx);
+X509_STORE_CTX_cleanup_fn X509_STORE_CTX_get_cleanup(const X509_STORE_CTX *ctx);
+
+#ifndef OPENSSL_NO_DEPRECATED_1_1_0
+# define X509_STORE_CTX_get_chain X509_STORE_CTX_get0_chain
+# define X509_STORE_CTX_set_chain X509_STORE_CTX_set0_untrusted
+# define X509_STORE_CTX_trusted_stack X509_STORE_CTX_set0_trusted_stack
+# define X509_STORE_get_by_subject X509_STORE_CTX_get_by_subject
+# define X509_STORE_get1_certs X509_STORE_CTX_get1_certs
+# define X509_STORE_get1_crls X509_STORE_CTX_get1_crls
+/* the following macro is misspelled; use X509_STORE_get1_certs instead */
+# define X509_STORE_get1_cert X509_STORE_CTX_get1_certs
+/* the following macro is misspelled; use X509_STORE_get1_crls instead */
+# define X509_STORE_get1_crl X509_STORE_CTX_get1_crls
+#endif
+
+X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
+X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
+X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
+X509_LOOKUP_METHOD *X509_LOOKUP_store(void);
+
+typedef int (*X509_LOOKUP_ctrl_fn)(X509_LOOKUP *ctx, int cmd, const char *argc,
+                                   long argl, char **ret);
+typedef int (*X509_LOOKUP_ctrl_ex_fn)(
+    X509_LOOKUP *ctx, int cmd, const char *argc, long argl, char **ret,
+    OSSL_LIB_CTX *libctx, const char *propq);
+
+typedef int (*X509_LOOKUP_get_by_subject_fn)(X509_LOOKUP *ctx,
+                                             X509_LOOKUP_TYPE type,
+                                             const X509_NAME *name,
+                                             X509_OBJECT *ret);
+typedef int (*X509_LOOKUP_get_by_subject_ex_fn)(X509_LOOKUP *ctx,
+                                                         X509_LOOKUP_TYPE type,
+                                                         const X509_NAME *name,
+                                                         X509_OBJECT *ret,
+                                                         OSSL_LIB_CTX *libctx,
+                                                         const char *propq);
+typedef int (*X509_LOOKUP_get_by_issuer_serial_fn)(X509_LOOKUP *ctx,
+                                                   X509_LOOKUP_TYPE type,
+                                                   const X509_NAME *name,
+                                                   const ASN1_INTEGER *serial,
+                                                   X509_OBJECT *ret);
+typedef int (*X509_LOOKUP_get_by_fingerprint_fn)(X509_LOOKUP *ctx,
+                                                 X509_LOOKUP_TYPE type,
+                                                 const unsigned char* bytes,
+                                                 int len,
+                                                 X509_OBJECT *ret);
+typedef int (*X509_LOOKUP_get_by_alias_fn)(X509_LOOKUP *ctx,
+                                           X509_LOOKUP_TYPE type,
+                                           const char *str,
+                                           int len,
+                                           X509_OBJECT *ret);
+
+X509_LOOKUP_METHOD *X509_LOOKUP_meth_new(const char *name);
+void X509_LOOKUP_meth_free(X509_LOOKUP_METHOD *method);
+
+int X509_LOOKUP_meth_set_new_item(X509_LOOKUP_METHOD *method,
+                                  int (*new_item) (X509_LOOKUP *ctx));
+int (*X509_LOOKUP_meth_get_new_item(const X509_LOOKUP_METHOD* method))
+    (X509_LOOKUP *ctx);
+
+int X509_LOOKUP_meth_set_free(X509_LOOKUP_METHOD *method,
+                              void (*free_fn) (X509_LOOKUP *ctx));
+void (*X509_LOOKUP_meth_get_free(const X509_LOOKUP_METHOD* method))
+    (X509_LOOKUP *ctx);
+
+int X509_LOOKUP_meth_set_init(X509_LOOKUP_METHOD *method,
+                              int (*init) (X509_LOOKUP *ctx));
+int (*X509_LOOKUP_meth_get_init(const X509_LOOKUP_METHOD* method))
+    (X509_LOOKUP *ctx);
+
+int X509_LOOKUP_meth_set_shutdown(X509_LOOKUP_METHOD *method,
+                                  int (*shutdown) (X509_LOOKUP *ctx));
+int (*X509_LOOKUP_meth_get_shutdown(const X509_LOOKUP_METHOD* method))
+    (X509_LOOKUP *ctx);
+
+int X509_LOOKUP_meth_set_ctrl(X509_LOOKUP_METHOD *method,
+                              X509_LOOKUP_ctrl_fn ctrl_fn);
+X509_LOOKUP_ctrl_fn X509_LOOKUP_meth_get_ctrl(const X509_LOOKUP_METHOD *method);
+
+int X509_LOOKUP_meth_set_get_by_subject(X509_LOOKUP_METHOD *method,
+                                        X509_LOOKUP_get_by_subject_fn fn);
+X509_LOOKUP_get_by_subject_fn X509_LOOKUP_meth_get_get_by_subject(
+    const X509_LOOKUP_METHOD *method);
+
+int X509_LOOKUP_meth_set_get_by_issuer_serial(X509_LOOKUP_METHOD *method,
+    X509_LOOKUP_get_by_issuer_serial_fn fn);
+X509_LOOKUP_get_by_issuer_serial_fn X509_LOOKUP_meth_get_get_by_issuer_serial(
+    const X509_LOOKUP_METHOD *method);
+
+int X509_LOOKUP_meth_set_get_by_fingerprint(X509_LOOKUP_METHOD *method,
+    X509_LOOKUP_get_by_fingerprint_fn fn);
+X509_LOOKUP_get_by_fingerprint_fn X509_LOOKUP_meth_get_get_by_fingerprint(
+    const X509_LOOKUP_METHOD *method);
+
+int X509_LOOKUP_meth_set_get_by_alias(X509_LOOKUP_METHOD *method,
+                                      X509_LOOKUP_get_by_alias_fn fn);
+X509_LOOKUP_get_by_alias_fn X509_LOOKUP_meth_get_get_by_alias(
+    const X509_LOOKUP_METHOD *method);
+
+
+int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
+int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
+
+int X509_STORE_CTX_get_by_subject(const X509_STORE_CTX *vs,
+                                  X509_LOOKUP_TYPE type,
+                                  const X509_NAME *name, X509_OBJECT *ret);
+X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs,
+                                               X509_LOOKUP_TYPE type,
+                                               const X509_NAME *name);
+
+int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
+                     long argl, char **ret);
+int X509_LOOKUP_ctrl_ex(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
+                        char **ret, OSSL_LIB_CTX *libctx, const char *propq);
+
+int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
+int X509_load_cert_file_ex(X509_LOOKUP *ctx, const char *file, int type,
+                           OSSL_LIB_CTX *libctx, const char *propq);
+int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
+int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
+int X509_load_cert_crl_file_ex(X509_LOOKUP *ctx, const char *file, int type,
+                               OSSL_LIB_CTX *libctx, const char *propq);
+
+X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
+void X509_LOOKUP_free(X509_LOOKUP *ctx);
+int X509_LOOKUP_init(X509_LOOKUP *ctx);
+int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
+                           const X509_NAME *name, X509_OBJECT *ret);
+int X509_LOOKUP_by_subject_ex(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
+                              const X509_NAME *name, X509_OBJECT *ret,
+                              OSSL_LIB_CTX *libctx, const char *propq);
+int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
+                                 const X509_NAME *name,
+                                 const ASN1_INTEGER *serial,
+                                 X509_OBJECT *ret);
+int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
+                               const unsigned char *bytes, int len,
+                               X509_OBJECT *ret);
+int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
+                         const char *str, int len, X509_OBJECT *ret);
+int X509_LOOKUP_set_method_data(X509_LOOKUP *ctx, void *data);
+void *X509_LOOKUP_get_method_data(const X509_LOOKUP *ctx);
+X509_STORE *X509_LOOKUP_get_store(const X509_LOOKUP *ctx);
+int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
+
+int X509_STORE_load_file(X509_STORE *ctx, const char *file);
+int X509_STORE_load_path(X509_STORE *ctx, const char *path);
+int X509_STORE_load_store(X509_STORE *ctx, const char *store);
+int X509_STORE_load_locations(X509_STORE *ctx,
+                                               const char *file,
+                                               const char *dir);
+int X509_STORE_set_default_paths(X509_STORE *ctx);
+
+int X509_STORE_load_file_ex(X509_STORE *ctx, const char *file,
+                            OSSL_LIB_CTX *libctx, const char *propq);
+int X509_STORE_load_store_ex(X509_STORE *ctx, const char *store,
+                             OSSL_LIB_CTX *libctx, const char *propq);
+int X509_STORE_load_locations_ex(X509_STORE *ctx, const char *file,
+                                 const char *dir, OSSL_LIB_CTX *libctx,
+                                 const char *propq);
+int X509_STORE_set_default_paths_ex(X509_STORE *ctx, OSSL_LIB_CTX *libctx,
+                                    const char *propq);
+
+#define X509_STORE_CTX_get_ex_new_index(l, p, newf, dupf, freef) \
+    CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, l, p, newf, dupf, freef)
+int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data);
+void *X509_STORE_CTX_get_ex_data(const X509_STORE_CTX *ctx, int idx);
+int X509_STORE_CTX_get_error(const X509_STORE_CTX *ctx);
+void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
+int X509_STORE_CTX_get_error_depth(const X509_STORE_CTX *ctx);
+void X509_STORE_CTX_set_error_depth(X509_STORE_CTX *ctx, int depth);
+X509 *X509_STORE_CTX_get_current_cert(const X509_STORE_CTX *ctx);
+void X509_STORE_CTX_set_current_cert(X509_STORE_CTX *ctx, X509 *x);
+X509 *X509_STORE_CTX_get0_current_issuer(const X509_STORE_CTX *ctx);
+X509_CRL *X509_STORE_CTX_get0_current_crl(const X509_STORE_CTX *ctx);
+X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(const X509_STORE_CTX *ctx);
+STACK_OF(X509) *X509_STORE_CTX_get0_chain(const X509_STORE_CTX *ctx);
+STACK_OF(X509) *X509_STORE_CTX_get1_chain(const X509_STORE_CTX *ctx);
+void X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *target);
+void X509_STORE_CTX_set0_verified_chain(X509_STORE_CTX *c, STACK_OF(X509) *sk);
+void X509_STORE_CTX_set0_crls(X509_STORE_CTX *ctx, STACK_OF(X509_CRL) *sk);
+int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
+int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
+int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
+                                   int purpose, int trust);
+void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, unsigned long flags);
+void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, unsigned long flags,
+                             time_t t);
+
+X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(const X509_STORE_CTX *ctx);
+int X509_STORE_CTX_get_explicit_policy(const X509_STORE_CTX *ctx);
+int X509_STORE_CTX_get_num_untrusted(const X509_STORE_CTX *ctx);
+
+X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(const X509_STORE_CTX *ctx);
+void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx, X509_VERIFY_PARAM *param);
+int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx, const char *name);
+
+/*
+ * Bridge opacity barrier between libcrypt and libssl, also needed to support
+ * offline testing in test/danetest.c
+ */
+void X509_STORE_CTX_set0_dane(X509_STORE_CTX *ctx, SSL_DANE *dane);
+#define DANE_FLAG_NO_DANE_EE_NAMECHECKS (1L << 0)
+
+/* X509_VERIFY_PARAM functions */
+
+X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
+void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
+int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
+                              const X509_VERIFY_PARAM *from);
+int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
+                           const X509_VERIFY_PARAM *from);
+int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param, const char *name);
+int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param,
+                                unsigned long flags);
+int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
+                                  unsigned long flags);
+unsigned long X509_VERIFY_PARAM_get_flags(const X509_VERIFY_PARAM *param);
+int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param, int purpose);
+int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param, int trust);
+void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param, int depth);
+void X509_VERIFY_PARAM_set_auth_level(X509_VERIFY_PARAM *param, int auth_level);
+time_t X509_VERIFY_PARAM_get_time(const X509_VERIFY_PARAM *param);
+void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param, time_t t);
+int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
+                                  ASN1_OBJECT *policy);
+int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *param,
+                                    STACK_OF(ASN1_OBJECT) *policies);
+
+int X509_VERIFY_PARAM_set_inh_flags(X509_VERIFY_PARAM *param,
+                                    uint32_t flags);
+uint32_t X509_VERIFY_PARAM_get_inh_flags(const X509_VERIFY_PARAM *param);
+
+char *X509_VERIFY_PARAM_get0_host(X509_VERIFY_PARAM *param, int idx);
+int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
+                                const char *name, size_t namelen);
+int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
+                                const char *name, size_t namelen);
+void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
+                                     unsigned int flags);
+unsigned int X509_VERIFY_PARAM_get_hostflags(const X509_VERIFY_PARAM *param);
+char *X509_VERIFY_PARAM_get0_peername(const X509_VERIFY_PARAM *param);
+void X509_VERIFY_PARAM_move_peername(X509_VERIFY_PARAM *, X509_VERIFY_PARAM *);
+char *X509_VERIFY_PARAM_get0_email(X509_VERIFY_PARAM *param);
+int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
+                                 const char *email, size_t emaillen);
+char *X509_VERIFY_PARAM_get1_ip_asc(X509_VERIFY_PARAM *param);
+int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
+                              const unsigned char *ip, size_t iplen);
+int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param,
+                                  const char *ipasc);
+
+int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
+int X509_VERIFY_PARAM_get_auth_level(const X509_VERIFY_PARAM *param);
+const char *X509_VERIFY_PARAM_get0_name(const X509_VERIFY_PARAM *param);
+
+int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
+int X509_VERIFY_PARAM_get_count(void);
+const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
+const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
+void X509_VERIFY_PARAM_table_cleanup(void);
+
+/* Non positive return values are errors */
+#define X509_PCY_TREE_FAILURE  -2 /* Failure to satisfy explicit policy */
+#define X509_PCY_TREE_INVALID  -1 /* Inconsistent or invalid extensions */
+#define X509_PCY_TREE_INTERNAL  0 /* Internal error, most likely malloc */
+
+/*
+ * Positive return values form a bit mask, all but the first are internal to
+ * the library and don't appear in results from X509_policy_check().
+ */
+#define X509_PCY_TREE_VALID     1 /* The policy tree is valid */
+#define X509_PCY_TREE_EMPTY     2 /* The policy tree is empty */
+#define X509_PCY_TREE_EXPLICIT  4 /* Explicit policy required */
+
+int X509_policy_check(X509_POLICY_TREE **ptree, int *pexplicit_policy,
+                      STACK_OF(X509) *certs,
+                      STACK_OF(ASN1_OBJECT) *policy_oids, unsigned int flags);
+
+void X509_policy_tree_free(X509_POLICY_TREE *tree);
+
+int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
+X509_POLICY_LEVEL *X509_policy_tree_get0_level(const X509_POLICY_TREE *tree,
+                                               int i);
+
+STACK_OF(X509_POLICY_NODE)
+    *X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
+
+STACK_OF(X509_POLICY_NODE)
+    *X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
+
+int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
+
+X509_POLICY_NODE *X509_policy_level_get0_node(const X509_POLICY_LEVEL *level,
+                                              int i);
+
+const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
+
+STACK_OF(POLICYQUALINFO)
+    *X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
+const X509_POLICY_NODE
+    *X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
+
+#ifdef  __cplusplus
+}
+#endif
+#endif