/*

 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (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 <stdio.h>

#include "internal/cryptlib.h"

#include <openssl/asn1.h>

#include <openssl/conf.h>

#include <openssl/x509v3.h>

#include "ext_dat.h"

/*

 * Subject Sign Tool (1.2.643.100.111) The name of the tool used to signs the subject (UTF8String)

 * This extention is required to obtain the status of a qualified certificate at Russian Federation.

 * RFC-style description is available here: https://tools.ietf.org/html/draft-deremin-rfc4491-bis-04#section-5

 * Russian Federal Law 63 "Digital Sign" is available here:  http://www.consultant.ru/document/cons_doc_LAW_112701/

 */

const X509V3_EXT_METHOD ossl_v3_utf8_list[1] = {

    EXT_UTF8STRING(NID_subjectSignTool),

};

char *i2s_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,

    ASN1_UTF8STRING *utf8)

{

    char *tmp;

    if (utf8 == NULL || utf8->length == 0) {

        ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_NULL_PARAMETER);

        return NULL;

    }

    if ((tmp = OPENSSL_malloc(utf8->length + 1)) == NULL) {

        ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);

        return NULL;

    }

    memcpy(tmp, utf8->data, utf8->length);

    tmp[utf8->length] = 0;

    return tmp;

}

ASN1_UTF8STRING *s2i_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,

    X509V3_CTX *ctx, const char *str)

{

    ASN1_UTF8STRING *utf8;

    if (str == NULL) {

        ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NULL_ARGUMENT);

        return NULL;

    }

    if ((utf8 = ASN1_UTF8STRING_new()) == NULL) {

        ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);

        return NULL;

    }

    if (!ASN1_STRING_set((ASN1_STRING *)utf8, str, strlen(str))) {

        ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);

        ASN1_UTF8STRING_free(utf8);

        return NULL;

    }

#ifdef CHARSET_EBCDIC

    ebcdic2ascii(utf8->data, utf8->data, utf8->length);

#endif /* CHARSET_EBCDIC */

    return utf8;

}