Fold x509_vfy.h into x509.h.

The two headers already circularly import each other, and even have to
inspect each others' header guards to manage this. Keeping them
separate does not reduce include sizes. Fold them together so their
header guards are more conventional.

Bug: 426
Change-Id: Iaf96f5b2c8adb899d9c4a5b5094ed36fcb16de16
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/49770
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/x509v3/v3_purp.c b/crypto/x509v3/v3_purp.c
index d1f56f0..133839a 100644
--- a/crypto/x509v3/v3_purp.c
+++ b/crypto/x509v3/v3_purp.c
@@ -64,7 +64,6 @@
 #include <openssl/mem.h>
 #include <openssl/obj.h>
 #include <openssl/thread.h>
-#include <openssl/x509_vfy.h>
 #include <openssl/x509v3.h>
 
 #include "../internal.h"
diff --git a/include/openssl/x509.h b/include/openssl/x509.h
index 30ad4d2..db6edde 100644
--- a/include/openssl/x509.h
+++ b/include/openssl/x509.h
@@ -284,7 +284,6 @@
   EVP_CIPHER_INFO cipher;
 } /* X509_PKEY */;
 
-#ifndef OPENSSL_NO_EVP
 struct X509_info_st {
   X509 *x509;
   X509_CRL *crl;
@@ -297,7 +296,6 @@
 } /* X509_INFO */;
 
 DEFINE_STACK_OF(X509_INFO)
-#endif
 
 // The next 2 structures and their 8 routines were sent to me by
 // Pat Richard <patr@x509.com> and are used to manipulate
@@ -313,16 +311,6 @@
   ASN1_BIT_STRING *signature;
 } /* NETSCAPE_SPKI */;
 
-#ifdef __cplusplus
-}
-#endif
-
-#include <openssl/x509_vfy.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 // TODO(davidben): Document remaining functions, reorganize them, and define
 // supported patterns for using |X509| objects in general. In particular, when
 // it is safe to call mutating functions is a little tricky due to various
@@ -522,9 +510,6 @@
 // X509_verify_cert_error_string returns |err| as a human-readable string, where
 // |err| should be one of the |X509_V_*| values. If |err| is unknown, it returns
 // a default description.
-//
-// TODO(davidben): Move this function to x509_vfy.h, with the |X509_V_*|
-// definitions, or fold x509_vfy.h into this function.
 OPENSSL_EXPORT const char *X509_verify_cert_error_string(long err);
 
 // X509_verify checks that |x509| has a valid signature by |pkey|. It returns
@@ -1900,6 +1885,485 @@
 
 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
 
+/*
+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.
+*/
+
+#define X509_LU_X509 1
+#define X509_LU_CRL 2
+#define X509_LU_PKEY 3
+
+DEFINE_STACK_OF(X509_LOOKUP)
+DEFINE_STACK_OF(X509_OBJECT)
+DEFINE_STACK_OF(X509_VERIFY_PARAM)
+
+typedef int (*X509_STORE_CTX_verify_cb)(int, X509_STORE_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,
+                                                          X509_NAME *nm);
+typedef STACK_OF(X509_CRL) *(*X509_STORE_CTX_lookup_crls_fn)(
+    X509_STORE_CTX *ctx, X509_NAME *nm);
+typedef int (*X509_STORE_CTX_cleanup_fn)(X509_STORE_CTX *ctx);
+
+OPENSSL_EXPORT int X509_STORE_set_depth(X509_STORE *store, int depth);
+
+OPENSSL_EXPORT 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_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_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_INVALID_CA 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
+#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
+
+// 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
+
+// Caller error
+#define X509_V_ERR_INVALID_CALL 65
+// Issuer lookup error
+#define X509_V_ERR_STORE_LOOKUP 66
+
+#define X509_V_ERR_NAME_CONSTRAINTS_WITHOUT_SANS 67
+
+// Certificate verify flags
+
+// Send issuer+subject checks to verify_cb
+#define X509_V_FLAG_CB_ISSUER_CHECK 0x1
+// 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
+// Does nothing as its functionality has been enabled by default.
+#define X509_V_FLAG_X509_STRICT 0x00
+// 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 selfsigned 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 1.0.2b. Setting this flag
+// will force the behaviour to match that of previous versions.
+#define X509_V_FLAG_NO_ALT_CHAINS 0x100000
+
+#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)
+
+OPENSSL_EXPORT int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h,
+                                              int type, X509_NAME *name);
+OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_by_subject(
+    STACK_OF(X509_OBJECT) *h, int type, X509_NAME *name);
+OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
+                                                       X509_OBJECT *x);
+OPENSSL_EXPORT int X509_OBJECT_up_ref_count(X509_OBJECT *a);
+OPENSSL_EXPORT void X509_OBJECT_free_contents(X509_OBJECT *a);
+OPENSSL_EXPORT int X509_OBJECT_get_type(const X509_OBJECT *a);
+OPENSSL_EXPORT X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a);
+OPENSSL_EXPORT X509_STORE *X509_STORE_new(void);
+OPENSSL_EXPORT int X509_STORE_up_ref(X509_STORE *store);
+OPENSSL_EXPORT void X509_STORE_free(X509_STORE *v);
+
+OPENSSL_EXPORT STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *st);
+OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *st,
+                                                     X509_NAME *nm);
+OPENSSL_EXPORT STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *st,
+                                                        X509_NAME *nm);
+OPENSSL_EXPORT int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
+OPENSSL_EXPORT int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
+OPENSSL_EXPORT int X509_STORE_set_trust(X509_STORE *ctx, int trust);
+OPENSSL_EXPORT int X509_STORE_set1_param(X509_STORE *ctx,
+                                         X509_VERIFY_PARAM *pm);
+OPENSSL_EXPORT X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx);
+
+OPENSSL_EXPORT 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))
+OPENSSL_EXPORT void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
+                                              X509_STORE_CTX_verify_fn verify);
+OPENSSL_EXPORT X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx);
+OPENSSL_EXPORT 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))
+OPENSSL_EXPORT X509_STORE_CTX_verify_cb
+X509_STORE_get_verify_cb(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_get_issuer(
+    X509_STORE *ctx, X509_STORE_CTX_get_issuer_fn get_issuer);
+OPENSSL_EXPORT X509_STORE_CTX_get_issuer_fn
+X509_STORE_get_get_issuer(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_check_issued(
+    X509_STORE *ctx, X509_STORE_CTX_check_issued_fn check_issued);
+OPENSSL_EXPORT X509_STORE_CTX_check_issued_fn
+X509_STORE_get_check_issued(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_check_revocation(
+    X509_STORE *ctx, X509_STORE_CTX_check_revocation_fn check_revocation);
+OPENSSL_EXPORT X509_STORE_CTX_check_revocation_fn
+X509_STORE_get_check_revocation(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_get_crl(X509_STORE *ctx,
+                                           X509_STORE_CTX_get_crl_fn get_crl);
+OPENSSL_EXPORT X509_STORE_CTX_get_crl_fn
+X509_STORE_get_get_crl(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_check_crl(
+    X509_STORE *ctx, X509_STORE_CTX_check_crl_fn check_crl);
+OPENSSL_EXPORT X509_STORE_CTX_check_crl_fn
+X509_STORE_get_check_crl(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_cert_crl(
+    X509_STORE *ctx, X509_STORE_CTX_cert_crl_fn cert_crl);
+OPENSSL_EXPORT X509_STORE_CTX_cert_crl_fn
+X509_STORE_get_cert_crl(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_lookup_certs(
+    X509_STORE *ctx, X509_STORE_CTX_lookup_certs_fn lookup_certs);
+OPENSSL_EXPORT X509_STORE_CTX_lookup_certs_fn
+X509_STORE_get_lookup_certs(X509_STORE *ctx);
+OPENSSL_EXPORT 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))
+OPENSSL_EXPORT X509_STORE_CTX_lookup_crls_fn
+X509_STORE_get_lookup_crls(X509_STORE *ctx);
+OPENSSL_EXPORT void X509_STORE_set_cleanup(X509_STORE *ctx,
+                                           X509_STORE_CTX_cleanup_fn cleanup);
+OPENSSL_EXPORT X509_STORE_CTX_cleanup_fn
+X509_STORE_get_cleanup(X509_STORE *ctx);
+
+OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_new(void);
+
+OPENSSL_EXPORT int X509_STORE_CTX_get1_issuer(X509 **issuer,
+                                              X509_STORE_CTX *ctx, X509 *x);
+
+OPENSSL_EXPORT void X509_STORE_CTX_zero(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
+                                       X509 *x509, STACK_OF(X509) *chain);
+OPENSSL_EXPORT void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx,
+                                                 STACK_OF(X509) *sk);
+OPENSSL_EXPORT void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
+
+OPENSSL_EXPORT X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT X509 *X509_STORE_CTX_get0_cert(X509_STORE_CTX *ctx);
+
+OPENSSL_EXPORT X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v,
+                                                  X509_LOOKUP_METHOD *m);
+
+OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
+OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
+
+OPENSSL_EXPORT int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
+OPENSSL_EXPORT int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
+
+OPENSSL_EXPORT int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type,
+                                             X509_NAME *name, X509_OBJECT *ret);
+
+OPENSSL_EXPORT int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
+                                    long argl, char **ret);
+
+#ifndef OPENSSL_NO_STDIO
+OPENSSL_EXPORT int X509_load_cert_file(X509_LOOKUP *ctx, const char *file,
+                                       int type);
+OPENSSL_EXPORT int X509_load_crl_file(X509_LOOKUP *ctx, const char *file,
+                                      int type);
+OPENSSL_EXPORT int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file,
+                                           int type);
+#endif
+
+OPENSSL_EXPORT X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
+OPENSSL_EXPORT void X509_LOOKUP_free(X509_LOOKUP *ctx);
+OPENSSL_EXPORT int X509_LOOKUP_init(X509_LOOKUP *ctx);
+OPENSSL_EXPORT int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type,
+                                          X509_NAME *name, X509_OBJECT *ret);
+OPENSSL_EXPORT int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type,
+                                                X509_NAME *name,
+                                                ASN1_INTEGER *serial,
+                                                X509_OBJECT *ret);
+OPENSSL_EXPORT int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
+                                              unsigned char *bytes, int len,
+                                              X509_OBJECT *ret);
+OPENSSL_EXPORT int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
+                                        int len, X509_OBJECT *ret);
+OPENSSL_EXPORT int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
+
+#ifndef OPENSSL_NO_STDIO
+OPENSSL_EXPORT int X509_STORE_load_locations(X509_STORE *ctx, const char *file,
+                                             const char *dir);
+OPENSSL_EXPORT int X509_STORE_set_default_paths(X509_STORE *ctx);
+#endif
+
+OPENSSL_EXPORT int X509_STORE_CTX_get_ex_new_index(long argl, void *argp,
+                                                   CRYPTO_EX_unused *unused,
+                                                   CRYPTO_EX_dup *dup_unused,
+                                                   CRYPTO_EX_free *free_func);
+OPENSSL_EXPORT int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx,
+                                              void *data);
+OPENSSL_EXPORT void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx);
+OPENSSL_EXPORT int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
+OPENSSL_EXPORT int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(
+    X509_STORE_CTX *ctx);
+OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get0_chain(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
+OPENSSL_EXPORT void X509_STORE_CTX_set_cert(X509_STORE_CTX *c, X509 *x);
+OPENSSL_EXPORT void X509_STORE_CTX_set_chain(X509_STORE_CTX *c,
+                                             STACK_OF(X509) *sk);
+OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get0_untrusted(
+    X509_STORE_CTX *ctx);
+OPENSSL_EXPORT void X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,
+                                             STACK_OF(X509_CRL) *sk);
+OPENSSL_EXPORT int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
+OPENSSL_EXPORT int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
+OPENSSL_EXPORT int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx,
+                                                  int def_purpose, int purpose,
+                                                  int trust);
+OPENSSL_EXPORT void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx,
+                                             unsigned long flags);
+OPENSSL_EXPORT void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx,
+                                            unsigned long flags, time_t t);
+OPENSSL_EXPORT void X509_STORE_CTX_set_verify_cb(
+    X509_STORE_CTX *ctx, int (*verify_cb)(int, X509_STORE_CTX *));
+
+OPENSSL_EXPORT X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(
+    X509_STORE_CTX *ctx);
+OPENSSL_EXPORT int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
+
+OPENSSL_EXPORT X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(
+    X509_STORE_CTX *ctx);
+OPENSSL_EXPORT void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx,
+                                              X509_VERIFY_PARAM *param);
+OPENSSL_EXPORT int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx,
+                                              const char *name);
+
+// X509_VERIFY_PARAM functions
+
+OPENSSL_EXPORT X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
+OPENSSL_EXPORT void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
+                                             const X509_VERIFY_PARAM *from);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
+                                          const X509_VERIFY_PARAM *from);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param,
+                                               const char *name);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param,
+                                               unsigned long flags);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
+                                                 unsigned long flags);
+OPENSSL_EXPORT unsigned long X509_VERIFY_PARAM_get_flags(
+    X509_VERIFY_PARAM *param);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param,
+                                                 int purpose);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param,
+                                               int trust);
+OPENSSL_EXPORT void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param,
+                                                int depth);
+OPENSSL_EXPORT void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param,
+                                               time_t t);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
+                                                 ASN1_OBJECT *policy);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_policies(
+    X509_VERIFY_PARAM *param, STACK_OF(ASN1_OBJECT) *policies);
+
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
+                                               const char *name,
+                                               size_t namelen);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
+                                               const char *name,
+                                               size_t namelen);
+OPENSSL_EXPORT void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
+                                                    unsigned int flags);
+OPENSSL_EXPORT char *X509_VERIFY_PARAM_get0_peername(X509_VERIFY_PARAM *);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
+                                                const char *email,
+                                                size_t emaillen);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
+                                             const unsigned char *ip,
+                                             size_t iplen);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param,
+                                                 const char *ipasc);
+
+OPENSSL_EXPORT int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
+OPENSSL_EXPORT const char *X509_VERIFY_PARAM_get0_name(
+    const X509_VERIFY_PARAM *param);
+
+OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
+OPENSSL_EXPORT int X509_VERIFY_PARAM_get_count(void);
+OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
+OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(
+    const char *name);
+OPENSSL_EXPORT void X509_VERIFY_PARAM_table_cleanup(void);
+
+OPENSSL_EXPORT int X509_policy_check(X509_POLICY_TREE **ptree,
+                                     int *pexplicit_policy,
+                                     STACK_OF(X509) *certs,
+                                     STACK_OF(ASN1_OBJECT) *policy_oids,
+                                     unsigned int flags);
+
+OPENSSL_EXPORT void X509_policy_tree_free(X509_POLICY_TREE *tree);
+
+OPENSSL_EXPORT int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
+OPENSSL_EXPORT X509_POLICY_LEVEL *X509_policy_tree_get0_level(
+    const X509_POLICY_TREE *tree, int i);
+
+OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_policies(
+    const X509_POLICY_TREE *tree);
+
+OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_user_policies(
+    const X509_POLICY_TREE *tree);
+
+OPENSSL_EXPORT int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
+
+OPENSSL_EXPORT X509_POLICY_NODE *X509_policy_level_get0_node(
+    X509_POLICY_LEVEL *level, int i);
+
+OPENSSL_EXPORT const ASN1_OBJECT *X509_policy_node_get0_policy(
+    const X509_POLICY_NODE *node);
+
+OPENSSL_EXPORT STACK_OF(POLICYQUALINFO) *X509_policy_node_get0_qualifiers(
+    const X509_POLICY_NODE *node);
+OPENSSL_EXPORT const X509_POLICY_NODE *X509_policy_node_get0_parent(
+    const X509_POLICY_NODE *node);
 
 
 #ifdef __cplusplus
diff --git a/include/openssl/x509_vfy.h b/include/openssl/x509_vfy.h
index 719807e..04bc8dd 100644
--- a/include/openssl/x509_vfy.h
+++ b/include/openssl/x509_vfy.h
@@ -1,566 +1,18 @@
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/* Copyright (c) 2021, Google Inc.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
 
-#ifndef HEADER_X509_H
-#include <openssl/x509.h>
-// openssl/x509.h ends up #include-ing this file at about the only
-// appropriate moment.
-#endif
+/* This header is provided in order to make compiling against code that expects
+   OpenSSL easier. */
 
-#ifndef HEADER_X509_VFY_H
-#define HEADER_X509_VFY_H
-
-#include <openssl/thread.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// Legacy X.509 library.
-//
-// This header is part of OpenSSL's X.509 implementation. It is retained for
-// compatibility but otherwise underdocumented and not actively maintained. In
-// the future, a replacement library will be available. Meanwhile, minimize
-// dependencies on this header where possible.
-
-
-/*
-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.
-*/
-
-#define X509_LU_X509 1
-#define X509_LU_CRL 2
-#define X509_LU_PKEY 3
-
-DEFINE_STACK_OF(X509_LOOKUP)
-DEFINE_STACK_OF(X509_OBJECT)
-DEFINE_STACK_OF(X509_VERIFY_PARAM)
-
-typedef int (*X509_STORE_CTX_verify_cb)(int, X509_STORE_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,
-                                                          X509_NAME *nm);
-typedef STACK_OF(X509_CRL) *(*X509_STORE_CTX_lookup_crls_fn)(
-    X509_STORE_CTX *ctx, X509_NAME *nm);
-typedef int (*X509_STORE_CTX_cleanup_fn)(X509_STORE_CTX *ctx);
-
-OPENSSL_EXPORT int X509_STORE_set_depth(X509_STORE *store, int depth);
-
-OPENSSL_EXPORT 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_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_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_INVALID_CA 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
-#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
-
-// 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
-
-// Caller error
-#define X509_V_ERR_INVALID_CALL 65
-// Issuer lookup error
-#define X509_V_ERR_STORE_LOOKUP 66
-
-#define X509_V_ERR_NAME_CONSTRAINTS_WITHOUT_SANS 67
-
-// Certificate verify flags
-
-// Send issuer+subject checks to verify_cb
-#define X509_V_FLAG_CB_ISSUER_CHECK 0x1
-// 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
-// Does nothing as its functionality has been enabled by default.
-#define X509_V_FLAG_X509_STRICT 0x00
-// 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 selfsigned 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 1.0.2b. Setting this flag
-// will force the behaviour to match that of previous versions.
-#define X509_V_FLAG_NO_ALT_CHAINS 0x100000
-
-#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)
-
-OPENSSL_EXPORT int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h,
-                                              int type, X509_NAME *name);
-OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_by_subject(
-    STACK_OF(X509_OBJECT) *h, int type, X509_NAME *name);
-OPENSSL_EXPORT X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
-                                                       X509_OBJECT *x);
-OPENSSL_EXPORT int X509_OBJECT_up_ref_count(X509_OBJECT *a);
-OPENSSL_EXPORT void X509_OBJECT_free_contents(X509_OBJECT *a);
-OPENSSL_EXPORT int X509_OBJECT_get_type(const X509_OBJECT *a);
-OPENSSL_EXPORT X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a);
-OPENSSL_EXPORT X509_STORE *X509_STORE_new(void);
-OPENSSL_EXPORT int X509_STORE_up_ref(X509_STORE *store);
-OPENSSL_EXPORT void X509_STORE_free(X509_STORE *v);
-
-OPENSSL_EXPORT STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *st);
-OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *st,
-                                                     X509_NAME *nm);
-OPENSSL_EXPORT STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *st,
-                                                        X509_NAME *nm);
-OPENSSL_EXPORT int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags);
-OPENSSL_EXPORT int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
-OPENSSL_EXPORT int X509_STORE_set_trust(X509_STORE *ctx, int trust);
-OPENSSL_EXPORT int X509_STORE_set1_param(X509_STORE *ctx,
-                                         X509_VERIFY_PARAM *pm);
-OPENSSL_EXPORT X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx);
-
-OPENSSL_EXPORT 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))
-OPENSSL_EXPORT void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
-                                              X509_STORE_CTX_verify_fn verify);
-OPENSSL_EXPORT X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx);
-OPENSSL_EXPORT 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))
-OPENSSL_EXPORT X509_STORE_CTX_verify_cb
-X509_STORE_get_verify_cb(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_get_issuer(
-    X509_STORE *ctx, X509_STORE_CTX_get_issuer_fn get_issuer);
-OPENSSL_EXPORT X509_STORE_CTX_get_issuer_fn
-X509_STORE_get_get_issuer(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_check_issued(
-    X509_STORE *ctx, X509_STORE_CTX_check_issued_fn check_issued);
-OPENSSL_EXPORT X509_STORE_CTX_check_issued_fn
-X509_STORE_get_check_issued(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_check_revocation(
-    X509_STORE *ctx, X509_STORE_CTX_check_revocation_fn check_revocation);
-OPENSSL_EXPORT X509_STORE_CTX_check_revocation_fn
-X509_STORE_get_check_revocation(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_get_crl(X509_STORE *ctx,
-                                           X509_STORE_CTX_get_crl_fn get_crl);
-OPENSSL_EXPORT X509_STORE_CTX_get_crl_fn
-X509_STORE_get_get_crl(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_check_crl(
-    X509_STORE *ctx, X509_STORE_CTX_check_crl_fn check_crl);
-OPENSSL_EXPORT X509_STORE_CTX_check_crl_fn
-X509_STORE_get_check_crl(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_cert_crl(
-    X509_STORE *ctx, X509_STORE_CTX_cert_crl_fn cert_crl);
-OPENSSL_EXPORT X509_STORE_CTX_cert_crl_fn
-X509_STORE_get_cert_crl(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_lookup_certs(
-    X509_STORE *ctx, X509_STORE_CTX_lookup_certs_fn lookup_certs);
-OPENSSL_EXPORT X509_STORE_CTX_lookup_certs_fn
-X509_STORE_get_lookup_certs(X509_STORE *ctx);
-OPENSSL_EXPORT 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))
-OPENSSL_EXPORT X509_STORE_CTX_lookup_crls_fn
-X509_STORE_get_lookup_crls(X509_STORE *ctx);
-OPENSSL_EXPORT void X509_STORE_set_cleanup(X509_STORE *ctx,
-                                           X509_STORE_CTX_cleanup_fn cleanup);
-OPENSSL_EXPORT X509_STORE_CTX_cleanup_fn
-X509_STORE_get_cleanup(X509_STORE *ctx);
-
-
-OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_new(void);
-
-OPENSSL_EXPORT int X509_STORE_CTX_get1_issuer(X509 **issuer,
-                                              X509_STORE_CTX *ctx, X509 *x);
-
-OPENSSL_EXPORT void X509_STORE_CTX_zero(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
-                                       X509 *x509, STACK_OF(X509) *chain);
-OPENSSL_EXPORT void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx,
-                                                 STACK_OF(X509) *sk);
-OPENSSL_EXPORT void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
-
-OPENSSL_EXPORT X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT X509 *X509_STORE_CTX_get0_cert(X509_STORE_CTX *ctx);
-
-OPENSSL_EXPORT X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v,
-                                                  X509_LOOKUP_METHOD *m);
-
-OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
-OPENSSL_EXPORT X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
-
-OPENSSL_EXPORT int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
-OPENSSL_EXPORT int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
-
-OPENSSL_EXPORT int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type,
-                                             X509_NAME *name, X509_OBJECT *ret);
-
-OPENSSL_EXPORT int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
-                                    long argl, char **ret);
-
-#ifndef OPENSSL_NO_STDIO
-OPENSSL_EXPORT int X509_load_cert_file(X509_LOOKUP *ctx, const char *file,
-                                       int type);
-OPENSSL_EXPORT int X509_load_crl_file(X509_LOOKUP *ctx, const char *file,
-                                      int type);
-OPENSSL_EXPORT int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file,
-                                           int type);
-#endif
-
-
-OPENSSL_EXPORT X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
-OPENSSL_EXPORT void X509_LOOKUP_free(X509_LOOKUP *ctx);
-OPENSSL_EXPORT int X509_LOOKUP_init(X509_LOOKUP *ctx);
-OPENSSL_EXPORT int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type,
-                                          X509_NAME *name, X509_OBJECT *ret);
-OPENSSL_EXPORT int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type,
-                                                X509_NAME *name,
-                                                ASN1_INTEGER *serial,
-                                                X509_OBJECT *ret);
-OPENSSL_EXPORT int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
-                                              unsigned char *bytes, int len,
-                                              X509_OBJECT *ret);
-OPENSSL_EXPORT int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
-                                        int len, X509_OBJECT *ret);
-OPENSSL_EXPORT int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
-
-#ifndef OPENSSL_NO_STDIO
-OPENSSL_EXPORT int X509_STORE_load_locations(X509_STORE *ctx, const char *file,
-                                             const char *dir);
-OPENSSL_EXPORT int X509_STORE_set_default_paths(X509_STORE *ctx);
-#endif
-
-OPENSSL_EXPORT int X509_STORE_CTX_get_ex_new_index(long argl, void *argp,
-                                                   CRYPTO_EX_unused *unused,
-                                                   CRYPTO_EX_dup *dup_unused,
-                                                   CRYPTO_EX_free *free_func);
-OPENSSL_EXPORT int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx,
-                                              void *data);
-OPENSSL_EXPORT void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx);
-OPENSSL_EXPORT int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int s);
-OPENSSL_EXPORT int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(
-    X509_STORE_CTX *ctx);
-OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get0_chain(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
-OPENSSL_EXPORT void X509_STORE_CTX_set_cert(X509_STORE_CTX *c, X509 *x);
-OPENSSL_EXPORT void X509_STORE_CTX_set_chain(X509_STORE_CTX *c,
-                                             STACK_OF(X509) *sk);
-OPENSSL_EXPORT STACK_OF(X509) *X509_STORE_CTX_get0_untrusted(
-    X509_STORE_CTX *ctx);
-OPENSSL_EXPORT void X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,
-                                             STACK_OF(X509_CRL) *sk);
-OPENSSL_EXPORT int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
-OPENSSL_EXPORT int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
-OPENSSL_EXPORT int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx,
-                                                  int def_purpose, int purpose,
-                                                  int trust);
-OPENSSL_EXPORT void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx,
-                                             unsigned long flags);
-OPENSSL_EXPORT void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx,
-                                            unsigned long flags, time_t t);
-OPENSSL_EXPORT void X509_STORE_CTX_set_verify_cb(
-    X509_STORE_CTX *ctx, int (*verify_cb)(int, X509_STORE_CTX *));
-
-OPENSSL_EXPORT X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(
-    X509_STORE_CTX *ctx);
-OPENSSL_EXPORT int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
-
-OPENSSL_EXPORT X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(
-    X509_STORE_CTX *ctx);
-OPENSSL_EXPORT void X509_STORE_CTX_set0_param(X509_STORE_CTX *ctx,
-                                              X509_VERIFY_PARAM *param);
-OPENSSL_EXPORT int X509_STORE_CTX_set_default(X509_STORE_CTX *ctx,
-                                              const char *name);
-
-// X509_VERIFY_PARAM functions
-
-OPENSSL_EXPORT X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void);
-OPENSSL_EXPORT void X509_VERIFY_PARAM_free(X509_VERIFY_PARAM *param);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_inherit(X509_VERIFY_PARAM *to,
-                                             const X509_VERIFY_PARAM *from);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1(X509_VERIFY_PARAM *to,
-                                          const X509_VERIFY_PARAM *from);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_name(X509_VERIFY_PARAM *param,
-                                               const char *name);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *param,
-                                               unsigned long flags);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *param,
-                                                 unsigned long flags);
-OPENSSL_EXPORT unsigned long X509_VERIFY_PARAM_get_flags(
-    X509_VERIFY_PARAM *param);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *param,
-                                                 int purpose);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *param,
-                                               int trust);
-OPENSSL_EXPORT void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *param,
-                                                int depth);
-OPENSSL_EXPORT void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *param,
-                                               time_t t);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *param,
-                                                 ASN1_OBJECT *policy);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_policies(
-    X509_VERIFY_PARAM *param, STACK_OF(ASN1_OBJECT) *policies);
-
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
-                                               const char *name,
-                                               size_t namelen);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_add1_host(X509_VERIFY_PARAM *param,
-                                               const char *name,
-                                               size_t namelen);
-OPENSSL_EXPORT void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *param,
-                                                    unsigned int flags);
-OPENSSL_EXPORT char *X509_VERIFY_PARAM_get0_peername(X509_VERIFY_PARAM *);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *param,
-                                                const char *email,
-                                                size_t emaillen);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *param,
-                                             const unsigned char *ip,
-                                             size_t iplen);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *param,
-                                                 const char *ipasc);
-
-OPENSSL_EXPORT int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *param);
-OPENSSL_EXPORT const char *X509_VERIFY_PARAM_get0_name(
-    const X509_VERIFY_PARAM *param);
-
-OPENSSL_EXPORT int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
-OPENSSL_EXPORT int X509_VERIFY_PARAM_get_count(void);
-OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_get0(int id);
-OPENSSL_EXPORT const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(
-    const char *name);
-OPENSSL_EXPORT void X509_VERIFY_PARAM_table_cleanup(void);
-
-OPENSSL_EXPORT int X509_policy_check(X509_POLICY_TREE **ptree,
-                                     int *pexplicit_policy,
-                                     STACK_OF(X509) *certs,
-                                     STACK_OF(ASN1_OBJECT) *policy_oids,
-                                     unsigned int flags);
-
-OPENSSL_EXPORT void X509_policy_tree_free(X509_POLICY_TREE *tree);
-
-OPENSSL_EXPORT int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
-OPENSSL_EXPORT X509_POLICY_LEVEL *X509_policy_tree_get0_level(
-    const X509_POLICY_TREE *tree, int i);
-
-OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_policies(
-    const X509_POLICY_TREE *tree);
-
-OPENSSL_EXPORT STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_user_policies(
-    const X509_POLICY_TREE *tree);
-
-OPENSSL_EXPORT int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
-
-OPENSSL_EXPORT X509_POLICY_NODE *X509_policy_level_get0_node(
-    X509_POLICY_LEVEL *level, int i);
-
-OPENSSL_EXPORT const ASN1_OBJECT *X509_policy_node_get0_policy(
-    const X509_POLICY_NODE *node);
-
-OPENSSL_EXPORT STACK_OF(POLICYQUALINFO) *X509_policy_node_get0_qualifiers(
-    const X509_POLICY_NODE *node);
-OPENSSL_EXPORT const X509_POLICY_NODE *X509_policy_node_get0_parent(
-    const X509_POLICY_NODE *node);
-
-#ifdef __cplusplus
-}
-#endif
-#endif
+#include "x509.h"
diff --git a/ssl/ssl_x509.cc b/ssl/ssl_x509.cc
index 680f253..26eb90a 100644
--- a/ssl/ssl_x509.cc
+++ b/ssl/ssl_x509.cc
@@ -149,7 +149,6 @@
 #include <openssl/stack.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
-#include <openssl/x509_vfy.h>
 
 #include "internal.h"
 #include "../crypto/internal.h"