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/* crypto/engine/eng_fat.c */
/* ====================================================================
 * Copyright (c) 1999-2001 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).
 *
 */
/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECDH support in OpenSSL originally developed by
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#include "eng_int.h"
#include <openssl/conf.h>

int ENGINE_set_default(ENGINE *e, unsigned int flags)
{
    if ((flags & ENGINE_METHOD_CIPHERS) && !ENGINE_set_default_ciphers(e))
        return 0;
    if ((flags & ENGINE_METHOD_DIGESTS) && !ENGINE_set_default_digests(e))
        return 0;
#ifndef OPENSSL_NO_RSA
    if ((flags & ENGINE_METHOD_RSA) && !ENGINE_set_default_RSA(e))
        return 0;
#endif
#ifndef OPENSSL_NO_DSA
    if ((flags & ENGINE_METHOD_DSA) && !ENGINE_set_default_DSA(e))
        return 0;
#endif
#ifndef OPENSSL_NO_DH
    if ((flags & ENGINE_METHOD_DH) && !ENGINE_set_default_DH(e))
        return 0;
#endif
#ifndef OPENSSL_NO_ECDH
    if ((flags & ENGINE_METHOD_ECDH) && !ENGINE_set_default_ECDH(e))
        return 0;
#endif
#ifndef OPENSSL_NO_ECDSA
    if ((flags & ENGINE_METHOD_ECDSA) && !ENGINE_set_default_ECDSA(e))
        return 0;
#endif
    if ((flags & ENGINE_METHOD_RAND) && !ENGINE_set_default_RAND(e))
        return 0;
    if ((flags & ENGINE_METHOD_PKEY_METHS)
        && !ENGINE_set_default_pkey_meths(e))
        return 0;
    if ((flags & ENGINE_METHOD_PKEY_ASN1_METHS)
        && !ENGINE_set_default_pkey_asn1_meths(e))
        return 0;
    return 1;
}

/* Set default algorithms using a string */

static int int_def_cb(const char *alg, int len, void *arg)
{
    unsigned int *pflags = arg;
    if (alg == NULL)
        return 0;
    if (!strncmp(alg, "ALL", len))
        *pflags |= ENGINE_METHOD_ALL;
    else if (!strncmp(alg, "RSA", len))
        *pflags |= ENGINE_METHOD_RSA;
    else if (!strncmp(alg, "DSA", len))
        *pflags |= ENGINE_METHOD_DSA;
    else if (!strncmp(alg, "ECDH", len))
        *pflags |= ENGINE_METHOD_ECDH;
    else if (!strncmp(alg, "ECDSA", len))
        *pflags |= ENGINE_METHOD_ECDSA;
    else if (!strncmp(alg, "DH", len))
        *pflags |= ENGINE_METHOD_DH;
    else if (!strncmp(alg, "RAND", len))
        *pflags |= ENGINE_METHOD_RAND;
    else if (!strncmp(alg, "CIPHERS", len))
        *pflags |= ENGINE_METHOD_CIPHERS;
    else if (!strncmp(alg, "DIGESTS", len))
        *pflags |= ENGINE_METHOD_DIGESTS;
    else if (!strncmp(alg, "PKEY", len))
        *pflags |= ENGINE_METHOD_PKEY_METHS | ENGINE_METHOD_PKEY_ASN1_METHS;
    else if (!strncmp(alg, "PKEY_CRYPTO", len))
        *pflags |= ENGINE_METHOD_PKEY_METHS;
    else if (!strncmp(alg, "PKEY_ASN1", len))
        *pflags |= ENGINE_METHOD_PKEY_ASN1_METHS;
    else
        return 0;
    return 1;
}

int ENGINE_set_default_string(ENGINE *e, const char *def_list)
{
    unsigned int flags = 0;
    if (!CONF_parse_list(def_list, ',', 1, int_def_cb, &flags)) {
        ENGINEerr(ENGINE_F_ENGINE_SET_DEFAULT_STRING,
                  ENGINE_R_INVALID_STRING);
        ERR_add_error_data(2, "str=", def_list);
        return 0;
    }
    return ENGINE_set_default(e, flags);
}

int ENGINE_register_complete(ENGINE *e)
{
    ENGINE_register_ciphers(e);
    ENGINE_register_digests(e);
#ifndef OPENSSL_NO_RSA
    ENGINE_register_RSA(e);
#endif
#ifndef OPENSSL_NO_DSA
    ENGINE_register_DSA(e);
#endif
#ifndef OPENSSL_NO_DH
    ENGINE_register_DH(e);
#endif
#ifndef OPENSSL_NO_ECDH
    ENGINE_register_ECDH(e);
#endif
#ifndef OPENSSL_NO_ECDSA
    ENGINE_register_ECDSA(e);
#endif
    ENGINE_register_RAND(e);
    ENGINE_register_pkey_meths(e);
    return 1;
}

int ENGINE_register_all_complete(void)
{
    ENGINE *e;

    for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
        if (!(e->flags & ENGINE_FLAGS_NO_REGISTER_ALL))
            ENGINE_register_complete(e);
    return 1;
}