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 
25 const X509V3_EXT_METHOD ossl_v3_utf8_list[1] = {
26     EXT_UTF8STRING(NID_subjectSignTool),
27 };
28 
i2s_ASN1_UTF8STRING(X509V3_EXT_METHOD * method,ASN1_UTF8STRING * utf8)29 char *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 
s2i_ASN1_UTF8STRING(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,const char * str)47 ASN1_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