/*

 * Copyright 2001-2016 The OpenSSL Project Authors. 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_local.h"

/* Basic get/set stuff */

int ENGINE_set_load_privkey_function(ENGINE *e,

                                     ENGINE_LOAD_KEY_PTR loadpriv_f)

{

    e->load_privkey = loadpriv_f;

    return 1;

}

int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)

{

    e->load_pubkey = loadpub_f;

    return 1;

}

int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,

                                             ENGINE_SSL_CLIENT_CERT_PTR

                                             loadssl_f)

{

    e->load_ssl_client_cert = loadssl_f;

    return 1;

}

ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)

{

    return e->load_privkey;

}

ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)

{

    return e->load_pubkey;

}

ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE

                                                               *e)

{

    return e->load_ssl_client_cert;

}

/* API functions to load public/private keys */

EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,

                                  UI_METHOD *ui_method, void *callback_data)

{

    EVP_PKEY *pkey;

    if (e == NULL) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,

                  ERR_R_PASSED_NULL_PARAMETER);

        return 0;

    }

    CRYPTO_THREAD_write_lock(global_engine_lock);

    if (e->funct_ref == 0) {

        CRYPTO_THREAD_unlock(global_engine_lock);

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, ENGINE_R_NOT_INITIALISED);

        return 0;

    }

    CRYPTO_THREAD_unlock(global_engine_lock);

    if (!e->load_privkey) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,

                  ENGINE_R_NO_LOAD_FUNCTION);

        return 0;

    }

    pkey = e->load_privkey(e, key_id, ui_method, callback_data);

    if (!pkey) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,

                  ENGINE_R_FAILED_LOADING_PRIVATE_KEY);

        return 0;

    }

    return pkey;

}

EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,

                                 UI_METHOD *ui_method, void *callback_data)

{

    EVP_PKEY *pkey;

    if (e == NULL) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,

                  ERR_R_PASSED_NULL_PARAMETER);

        return 0;

    }

    CRYPTO_THREAD_write_lock(global_engine_lock);

    if (e->funct_ref == 0) {

        CRYPTO_THREAD_unlock(global_engine_lock);

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NOT_INITIALISED);

        return 0;

    }

    CRYPTO_THREAD_unlock(global_engine_lock);

    if (!e->load_pubkey) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NO_LOAD_FUNCTION);

        return 0;

    }

    pkey = e->load_pubkey(e, key_id, ui_method, callback_data);

    if (!pkey) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,

                  ENGINE_R_FAILED_LOADING_PUBLIC_KEY);

        return 0;

    }

    return pkey;

}

int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,

                                STACK_OF(X509_NAME) *ca_dn, X509 **pcert,

                                EVP_PKEY **ppkey, STACK_OF(X509) **pother,

                                UI_METHOD *ui_method, void *callback_data)

{

    if (e == NULL) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,

                  ERR_R_PASSED_NULL_PARAMETER);

        return 0;

    }

    CRYPTO_THREAD_write_lock(global_engine_lock);

    if (e->funct_ref == 0) {

        CRYPTO_THREAD_unlock(global_engine_lock);

        ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,

                  ENGINE_R_NOT_INITIALISED);

        return 0;

    }

    CRYPTO_THREAD_unlock(global_engine_lock);

    if (!e->load_ssl_client_cert) {

        ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,

                  ENGINE_R_NO_LOAD_FUNCTION);

        return 0;

    }

    return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,

                                   ui_method, callback_data);

}