/*

 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.

 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#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_EC

    if ((flags & ENGINE_METHOD_EC) && !ENGINE_set_default_EC(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) == 0)

        *pflags |= ENGINE_METHOD_ALL;

    else if (strncmp(alg, "RSA", len) == 0)

        *pflags |= ENGINE_METHOD_RSA;

    else if (strncmp(alg, "DSA", len) == 0)

        *pflags |= ENGINE_METHOD_DSA;

    else if (strncmp(alg, "DH", len) == 0)

        *pflags |= ENGINE_METHOD_DH;

    else if (strncmp(alg, "EC", len) == 0)

        *pflags |= ENGINE_METHOD_EC;

    else if (strncmp(alg, "RAND", len) == 0)

        *pflags |= ENGINE_METHOD_RAND;

    else if (strncmp(alg, "CIPHERS", len) == 0)

        *pflags |= ENGINE_METHOD_CIPHERS;

    else if (strncmp(alg, "DIGESTS", len) == 0)

        *pflags |= ENGINE_METHOD_DIGESTS;

    else if (strncmp(alg, "PKEY", len) == 0)

        *pflags |= ENGINE_METHOD_PKEY_METHS | ENGINE_METHOD_PKEY_ASN1_METHS;

    else if (strncmp(alg, "PKEY_CRYPTO", len) == 0)

        *pflags |= ENGINE_METHOD_PKEY_METHS;

    else if (strncmp(alg, "PKEY_ASN1", len) == 0)

        *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_EC

    ENGINE_register_EC(e);

#endif

    ENGINE_register_RAND(e);

    ENGINE_register_pkey_meths(e);

    ENGINE_register_pkey_asn1_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;

}