1/*
2 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/asn1.h>
13#include <openssl/conf.h>
14#include <openssl/x509v3.h>
15#include "ext_dat.h"
16
17/*
18 * Subject Sign Tool (1.2.643.100.111) The name of the tool used to signs the subject (UTF8String)
19 * This extention is required to obtain the status of a qualified certificate at Russian Federation.
20 * RFC-style description is available here: https://tools.ietf.org/html/draft-deremin-rfc4491-bis-04#section-5
21 * Russian Federal Law 63 "Digital Sign" is available here:  http://www.consultant.ru/document/cons_doc_LAW_112701/
22 */
23
24
25const X509V3_EXT_METHOD ossl_v3_utf8_list[1] = {
26    EXT_UTF8STRING(NID_subjectSignTool),
27};
28
29char *i2s_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,
30                          ASN1_UTF8STRING *utf8)
31{
32    char *tmp;
33
34    if (utf8 == NULL || utf8->length == 0) {
35        ERR_raise(ERR_LIB_X509V3, ERR_R_PASSED_NULL_PARAMETER);
36        return NULL;
37    }
38    if ((tmp = OPENSSL_malloc(utf8->length + 1)) == NULL) {
39        ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
40        return NULL;
41    }
42    memcpy(tmp, utf8->data, utf8->length);
43    tmp[utf8->length] = 0;
44    return tmp;
45}
46
47ASN1_UTF8STRING *s2i_ASN1_UTF8STRING(X509V3_EXT_METHOD *method,
48                                     X509V3_CTX *ctx, const char *str)
49{
50    ASN1_UTF8STRING *utf8;
51    if (str == NULL) {
52        ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_NULL_ARGUMENT);
53        return NULL;
54    }
55    if ((utf8 = ASN1_UTF8STRING_new()) == NULL) {
56        ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
57        return NULL;
58    }
59    if (!ASN1_STRING_set((ASN1_STRING *)utf8, str, strlen(str))) {
60        ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE);
61        ASN1_UTF8STRING_free(utf8);
62        return NULL;
63    }
64#ifdef CHARSET_EBCDIC
65    ebcdic2ascii(utf8->data, utf8->data, utf8->length);
66#endif                          /* CHARSET_EBCDIC */
67    return utf8;
68}
69