/*
 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
 * 2013.
 */
/* ====================================================================
 * Copyright (c) 2013 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

/*
 * This structure holds all parameters associated with a verify operation by
 * including an X509_VERIFY_PARAM structure in related structures the
 * parameters used can be customized
 */

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 */
    int auth_level;             /* Security level for chain verification */
    STACK_OF(ASN1_OBJECT) *policies; /* Permissible policies */
    /* Peer identity details */
    STACK_OF(OPENSSL_STRING) *hosts; /* Set of acceptable names */
    unsigned int hostflags;     /* Flags to control matching features */
    char *peername;             /* Matching hostname in peer certificate */
    char *email;                /* If not NULL email address to match */
    size_t emaillen;
    unsigned char *ip;          /* If not NULL IP address to match */
    size_t iplen;               /* Length of IP address */
};

/* No error callback if depth < 0 */
int x509_check_cert_time(X509_STORE_CTX *ctx, X509 *x, int depth);

/* a sequence of these are used */
struct x509_attributes_st {
    ASN1_OBJECT *object;
    STACK_OF(ASN1_TYPE) *set;
};

struct X509_extension_st {
    ASN1_OBJECT *object;
    ASN1_BOOLEAN critical;
    ASN1_OCTET_STRING value;
};

/*
 * Method to handle CRL access. In general a CRL could be very large (several
 * Mb) and can consume large amounts of resources if stored in memory by
 * multiple processes. This method allows general CRL operations to be
 * redirected to more efficient callbacks: for example a CRL entry database.
 */

#define X509_CRL_METHOD_DYNAMIC         1

struct x509_crl_method_st {
    int flags;
    int (*crl_init) (X509_CRL *crl);
    int (*crl_free) (X509_CRL *crl);
    int (*crl_lookup) (X509_CRL *crl, X509_REVOKED **ret,
                       ASN1_INTEGER *ser, X509_NAME *issuer);
    int (*crl_verify) (X509_CRL *crl, EVP_PKEY *pk);
};

typedef struct lookup_dir_hashes_st BY_DIR_HASH;
typedef struct lookup_dir_entry_st BY_DIR_ENTRY;
DEFINE_STACK_OF(BY_DIR_HASH)
DEFINE_STACK_OF(BY_DIR_ENTRY)
typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY;
DEFINE_STACK_OF(STACK_OF_X509_NAME_ENTRY)
