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v3_ocsp.c

/* v3_ocsp.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 1999.
 */
/* ====================================================================
 * Copyright (c) 1999 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).
 *
 */

#ifndef OPENSSL_NO_OCSP

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/conf.h>
#include <openssl/asn1.h>
#include <openssl/ocsp.h>
#include <openssl/x509v3.h>

/* OCSP extensions and a couple of CRL entry extensions
 */

static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
static int i2r_object(X509V3_EXT_METHOD *method, void *obj, BIO *out, int indent);

static void *ocsp_nonce_new(void);
static int i2d_ocsp_nonce(void *a, unsigned char **pp);
static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
static void ocsp_nonce_free(void *a);
static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);

static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent);
static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str);
static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind);

const X509V3_EXT_METHOD v3_ocsp_crlid = {
      NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
      0,0,0,0,
      0,0,
      0,0,
      i2r_ocsp_crlid,0,
      NULL
};

const X509V3_EXT_METHOD v3_ocsp_acutoff = {
      NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
      0,0,0,0,
      0,0,
      0,0,
      i2r_ocsp_acutoff,0,
      NULL
};

const X509V3_EXT_METHOD v3_crl_invdate = {
      NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
      0,0,0,0,
      0,0,
      0,0,
      i2r_ocsp_acutoff,0,
      NULL
};

const X509V3_EXT_METHOD v3_crl_hold = {
      NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
      0,0,0,0,
      0,0,
      0,0,
      i2r_object,0,
      NULL
};

const X509V3_EXT_METHOD v3_ocsp_nonce = {
      NID_id_pkix_OCSP_Nonce, 0, NULL,
      ocsp_nonce_new,
      ocsp_nonce_free,
      d2i_ocsp_nonce,
      i2d_ocsp_nonce,
      0,0,
      0,0,
      i2r_ocsp_nonce,0,
      NULL
};

const X509V3_EXT_METHOD v3_ocsp_nocheck = {
      NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
      0,0,0,0,
      0,s2i_ocsp_nocheck,
      0,0,
      i2r_ocsp_nocheck,0,
      NULL
};

const X509V3_EXT_METHOD v3_ocsp_serviceloc = {
      NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
      0,0,0,0,
      0,0,
      0,0,
      i2r_ocsp_serviceloc,0,
      NULL
};

static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind)
{
      OCSP_CRLID *a = in;
      if (a->crlUrl)
              {
            if (!BIO_printf(bp, "%*scrlUrl: ", ind, "")) goto err;
            if (!ASN1_STRING_print(bp, (ASN1_STRING*)a->crlUrl)) goto err;
            if (!BIO_write(bp, "\n", 1)) goto err;
            }
      if (a->crlNum)
              {
            if (!BIO_printf(bp, "%*scrlNum: ", ind, "")) goto err;
            if (!i2a_ASN1_INTEGER(bp, a->crlNum)) goto err;
            if (!BIO_write(bp, "\n", 1)) goto err;
            }
      if (a->crlTime)
              {
            if (!BIO_printf(bp, "%*scrlTime: ", ind, "")) goto err;
            if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime)) goto err;
            if (!BIO_write(bp, "\n", 1)) goto err;
            }
      return 1;
      err:
      return 0;
}

static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *cutoff, BIO *bp, int ind)
{
      if (!BIO_printf(bp, "%*s", ind, "")) return 0;
      if(!ASN1_GENERALIZEDTIME_print(bp, cutoff)) return 0;
      return 1;
}


static int i2r_object(X509V3_EXT_METHOD *method, void *oid, BIO *bp, int ind)
{
      if (!BIO_printf(bp, "%*s", ind, "")) return 0;
      if(!i2a_ASN1_OBJECT(bp, oid)) return 0;
      return 1;
}

/* OCSP nonce. This is needs special treatment because it doesn't have
 * an ASN1 encoding at all: it just contains arbitrary data.
 */

static void *ocsp_nonce_new(void)
{
      return ASN1_OCTET_STRING_new();
}

static int i2d_ocsp_nonce(void *a, unsigned char **pp)
{
      ASN1_OCTET_STRING *os = a;
      if(pp) {
            memcpy(*pp, os->data, os->length);
            *pp += os->length;
      }
      return os->length;
}

static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
{
      ASN1_OCTET_STRING *os, **pos;
      pos = a;
      if(!pos || !*pos) os = ASN1_OCTET_STRING_new();
      else os = *pos;
      if(!ASN1_OCTET_STRING_set(os, *pp, length)) goto err;

      *pp += length;

      if(pos) *pos = os;
      return os;

      err:
      if(os && (!pos || (*pos != os))) M_ASN1_OCTET_STRING_free(os);
      OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
      return NULL;
}

static void ocsp_nonce_free(void *a)
{
      M_ASN1_OCTET_STRING_free(a);
}

static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent)
{
      if(BIO_printf(out, "%*s", indent, "") <= 0) return 0;
      if(i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) return 0;
      return 1;
}

/* Nocheck is just a single NULL. Don't print anything and always set it */

static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent)
{
      return 1;
}

static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str)
{
      return ASN1_NULL_new();
}

static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind)
        {
      int i;
      OCSP_SERVICELOC *a = in;
      ACCESS_DESCRIPTION *ad;

        if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0) goto err;
        if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0) goto err;
      for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++)
              {
                        ad = sk_ACCESS_DESCRIPTION_value(a->locator,i);
                        if (BIO_printf(bp, "\n%*s", (2*ind), "") <= 0) 
                              goto err;
                        if(i2a_ASN1_OBJECT(bp, ad->method) <= 0) goto err;
                        if(BIO_puts(bp, " - ") <= 0) goto err;
                        if(GENERAL_NAME_print(bp, ad->location) <= 0) goto err;
            }
      return 1;
err:
      return 0;
      }
#endif

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