]> WPIA git - cassiopeia.git/blobdiff - lib/openssl/crypto/x509/x509_vfy.h
add: execute openssl fetcher to fetch openssl 1.0.1j
[cassiopeia.git] / lib / openssl / crypto / x509 / x509_vfy.h
diff --git a/lib/openssl/crypto/x509/x509_vfy.h b/lib/openssl/crypto/x509/x509_vfy.h
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+/* crypto/x509/x509_vfy.h */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * 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.]
+ */
+
+#ifndef HEADER_X509_H
+#include <openssl/x509.h>
+/* openssl/x509.h ends up #include-ing this file at about the only
+ * appropriate moment. */
+#endif
+
+#ifndef HEADER_X509_VFY_H
+#define HEADER_X509_VFY_H
+
+#include <openssl/opensslconf.h>
+#ifndef OPENSSL_NO_LHASH
+#include <openssl/lhash.h>
+#endif
+#include <openssl/bio.h>
+#include <openssl/crypto.h>
+#include <openssl/symhacks.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#if 0
+/* Outer object */
+typedef struct x509_hash_dir_st
+       {
+       int num_dirs;
+       char **dirs;
+       int *dirs_type;
+       int num_dirs_alloced;
+       } X509_HASH_DIR_CTX;
+#endif
+
+typedef struct x509_file_st
+       {
+       int num_paths;  /* number of paths to files or directories */
+       int num_alloced;
+       char **paths;   /* the list of paths or directories */
+       int *path_type;
+       } X509_CERT_FILE_CTX;
+
+/*******************************/
+/*
+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_RETRY          -1
+#define X509_LU_FAIL           0
+#define X509_LU_X509           1
+#define X509_LU_CRL            2
+#define X509_LU_PKEY           3
+
+typedef struct x509_object_st
+       {
+       /* one of the above types */
+       int type;
+       union   {
+               char *ptr;
+               X509 *x509;
+               X509_CRL *crl;
+               EVP_PKEY *pkey;
+               } data;
+       } X509_OBJECT;
+
+typedef struct x509_lookup_st X509_LOOKUP;
+
+DECLARE_STACK_OF(X509_LOOKUP)
+DECLARE_STACK_OF(X509_OBJECT)
+
+/* This is a static that defines the function interface */
+typedef struct x509_lookup_method_st
+       {
+       const char *name;
+       int (*new_item)(X509_LOOKUP *ctx);
+       void (*free)(X509_LOOKUP *ctx);
+       int (*init)(X509_LOOKUP *ctx);
+       int (*shutdown)(X509_LOOKUP *ctx);
+       int (*ctrl)(X509_LOOKUP *ctx,int cmd,const char *argc,long argl,
+                       char **ret);
+       int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
+                             X509_OBJECT *ret);
+       int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
+                                   ASN1_INTEGER *serial,X509_OBJECT *ret);
+       int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
+                                 unsigned char *bytes,int len,
+                                 X509_OBJECT *ret);
+       int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
+                           X509_OBJECT *ret);
+       } X509_LOOKUP_METHOD;
+
+/* This structure hold all parameters associated with a verify operation
+ * by including an X509_VERIFY_PARAM structure in related structures the
+ * parameters used can be customized
+ */
+
+typedef struct X509_VERIFY_PARAM_st
+       {
+       char *name;
+       time_t check_time;      /* Time to use */
+       unsigned long inh_flags; /* Inheritance flags */
+       unsigned long flags;    /* Various verify flags */
+       int purpose;            /* purpose to check untrusted certificates */
+       int trust;              /* trust setting to check */
+       int depth;              /* Verify depth */
+       STACK_OF(ASN1_OBJECT) *policies;        /* Permissible policies */
+       } X509_VERIFY_PARAM;
+
+DECLARE_STACK_OF(X509_VERIFY_PARAM)
+
+/* This is used to hold everything.  It is used for all certificate
+ * validation.  Once we have a certificate chain, the 'verify'
+ * function is then called to actually check the cert chain. */
+struct x509_store_st
+       {
+       /* The following is a cache of trusted certs */
+       int cache;      /* if true, stash any hits */
+       STACK_OF(X509_OBJECT) *objs;    /* Cache of all objects */
+
+       /* These are external lookup methods */
+       STACK_OF(X509_LOOKUP) *get_cert_methods;
+
+       X509_VERIFY_PARAM *param;
+
+       /* Callbacks for various operations */
+       int (*verify)(X509_STORE_CTX *ctx);     /* called to verify a certificate */
+       int (*verify_cb)(int ok,X509_STORE_CTX *ctx);   /* error callback */
+       int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x); /* get issuers cert from ctx */
+       int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
+       int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
+       int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
+       int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
+       int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
+       STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
+       STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
+       int (*cleanup)(X509_STORE_CTX *ctx);
+
+       CRYPTO_EX_DATA ex_data;
+       int references;
+       } /* X509_STORE */;
+
+int X509_STORE_set_depth(X509_STORE *store, int depth);
+
+#define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
+#define X509_STORE_set_verify_func(ctx,func)   ((ctx)->verify=(func))
+
+/* This is the functions plus an instance of the local variables. */
+struct x509_lookup_st
+       {
+       int init;                       /* have we been started */
+       int skip;                       /* don't use us. */
+       X509_LOOKUP_METHOD *method;     /* the functions */
+       char *method_data;              /* method data */
+
+       X509_STORE *store_ctx;  /* who owns us */
+       } /* X509_LOOKUP */;
+
+/* This is a used when verifying cert chains.  Since the
+ * gathering of the cert chain can take some time (and have to be
+ * 'retried', this needs to be kept and passed around. */
+struct x509_store_ctx_st      /* X509_STORE_CTX */
+       {
+       X509_STORE *ctx;
+       int current_method;     /* used when looking up certs */
+
+       /* The following are set by the caller */
+       X509 *cert;             /* The cert to check */
+       STACK_OF(X509) *untrusted;      /* chain of X509s - untrusted - passed in */
+       STACK_OF(X509_CRL) *crls;       /* set of CRLs passed in */
+
+       X509_VERIFY_PARAM *param;
+       void *other_ctx;        /* Other info for use with get_issuer() */
+
+       /* Callbacks for various operations */
+       int (*verify)(X509_STORE_CTX *ctx);     /* called to verify a certificate */
+       int (*verify_cb)(int ok,X509_STORE_CTX *ctx);           /* error callback */
+       int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x); /* get issuers cert from ctx */
+       int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
+       int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
+       int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
+       int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
+       int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
+       int (*check_policy)(X509_STORE_CTX *ctx);
+       STACK_OF(X509) * (*lookup_certs)(X509_STORE_CTX *ctx, X509_NAME *nm);
+       STACK_OF(X509_CRL) * (*lookup_crls)(X509_STORE_CTX *ctx, X509_NAME *nm);
+       int (*cleanup)(X509_STORE_CTX *ctx);
+
+       /* The following is built up */
+       int valid;              /* if 0, rebuild chain */
+       int last_untrusted;     /* index of last untrusted cert */
+       STACK_OF(X509) *chain;          /* chain of X509s - built up and trusted */
+       X509_POLICY_TREE *tree; /* Valid policy tree */
+
+       int explicit_policy;    /* Require explicit policy value */
+
+       /* When something goes wrong, this is why */
+       int error_depth;
+       int error;
+       X509 *current_cert;
+       X509 *current_issuer;   /* cert currently being tested as valid issuer */
+       X509_CRL *current_crl;  /* current CRL */
+
+       int current_crl_score;  /* score of current CRL */
+       unsigned int current_reasons;  /* Reason mask */
+
+       X509_STORE_CTX *parent; /* For CRL path validation: parent context */
+
+       CRYPTO_EX_DATA ex_data;
+       } /* X509_STORE_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_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
+/* illegal error (for uninitialized values, to avoid X509_V_OK): 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_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
+
+/* The application is not happy */
+#define                X509_V_ERR_APPLICATION_VERIFICATION             50
+
+/* 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
+/* 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 selfsigned CA signature */
+#define X509_V_FLAG_CHECK_SS_SIGNATURE         0x4000
+
+
+#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, int type,
+            X509_NAME *name);
+X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,int type,X509_NAME *name);
+X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x);
+void X509_OBJECT_up_ref_count(X509_OBJECT *a);
+void X509_OBJECT_free_contents(X509_OBJECT *a);
+X509_STORE *X509_STORE_new(void );
+void X509_STORE_free(X509_STORE *v);
+
+STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *st, X509_NAME *nm);
+STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *st, 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, X509_VERIFY_PARAM *pm);
+
+void X509_STORE_set_verify_cb(X509_STORE *ctx,
+                                 int (*verify_cb)(int, X509_STORE_CTX *));
+
+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 *store,
+                        X509 *x509, STACK_OF(X509) *chain);
+void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
+void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
+
+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);
+
+int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
+int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
+
+int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
+       X509_OBJECT *ret);
+
+int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
+       long argl, char **ret);
+
+#ifndef OPENSSL_NO_STDIO
+int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
+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);
+#endif
+
+
+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, int type, X509_NAME *name,
+       X509_OBJECT *ret);
+int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
+       ASN1_INTEGER *serial, X509_OBJECT *ret);
+int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
+       unsigned char *bytes, int len, X509_OBJECT *ret);
+int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
+       int len, X509_OBJECT *ret);
+int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
+
+#ifndef OPENSSL_NO_STDIO
+int    X509_STORE_load_locations (X509_STORE *ctx,
+               const char *file, const char *dir);
+int    X509_STORE_set_default_paths(X509_STORE *ctx);
+#endif
+
+int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+       CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
+int    X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
+void * X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
+int    X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
+void   X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
+int    X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
+X509 * X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
+X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
+X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
+X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
+STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
+STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
+void   X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
+void   X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
+void   X509_STORE_CTX_set0_crls(X509_STORE_CTX *c,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);
+void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
+                                 int (*verify_cb)(int, X509_STORE_CTX *));
+  
+X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx);
+int X509_STORE_CTX_get_explicit_policy(X509_STORE_CTX *ctx);
+
+X509_VERIFY_PARAM *X509_STORE_CTX_get0_param(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);
+
+/* 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(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_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_get_depth(const X509_VERIFY_PARAM *param);
+
+int X509_VERIFY_PARAM_add0_table(X509_VERIFY_PARAM *param);
+const X509_VERIFY_PARAM *X509_VERIFY_PARAM_lookup(const char *name);
+void X509_VERIFY_PARAM_table_cleanup(void);
+
+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(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
+