/* v3_ocsp.c */

/*

 * Written by Dr Stephen N Henson (steve@openssl.org) 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(const X509V3_EXT_METHOD *method, void *nonce,

                          BIO *out, int indent);

static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *nonce,

                            BIO *out, int indent);

static int i2r_object(const 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(const X509V3_EXT_METHOD *method, void *nonce,

                          BIO *out, int indent);

static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method,

                            void *nocheck, BIO *out, int indent);

static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method,

                              X509V3_CTX *ctx, const char *str);

static int i2r_ocsp_serviceloc(const 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(const X509V3_EXT_METHOD *method, void *in, BIO *bp,

                          int ind)

{

    OCSP_CRLID *a = in;

    if (a->crlUrl) {

        if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0)

            goto err;

        if (!ASN1_STRING_print(bp, (ASN1_STRING *)a->crlUrl))

            goto err;

        if (BIO_write(bp, "\n", 1) <= 0)

            goto err;

    }

    if (a->crlNum) {

        if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0)

            goto err;

        if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0)

            goto err;

        if (BIO_write(bp, "\n", 1) <= 0)

            goto err;

    }

    if (a->crlTime) {

        if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0)

            goto err;

        if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime))

            goto err;

        if (BIO_write(bp, "\n", 1) <= 0)

            goto err;

    }

    return 1;

 err:

    return 0;

}

static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *cutoff,

                            BIO *bp, int ind)

{

    if (BIO_printf(bp, "%*s", ind, "") <= 0)

        return 0;

    if (!ASN1_GENERALIZEDTIME_print(bp, cutoff))

        return 0;

    return 1;

}

static int i2r_object(const X509V3_EXT_METHOD *method, void *oid, BIO *bp,

                      int ind)

{

    if (BIO_printf(bp, "%*s", ind, "") <= 0)

        return 0;

    if (i2a_ASN1_OBJECT(bp, oid) <= 0)

        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(const 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(const X509V3_EXT_METHOD *method, void *nocheck,

                            BIO *out, int indent)

{

    return 1;

}

static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method,

                              X509V3_CTX *ctx, const char *str)

{

    return ASN1_NULL_new();

}

static int i2r_ocsp_serviceloc(const 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