1/*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com). */
56
57#include <stdio.h>
58#include <string.h>
59
60#include <openssl/conf.h>
61#include <openssl/err.h>
62#include <openssl/obj.h>
63#include <openssl/x509v3.h>
64
65#include "internal.h"
66
67
68static const BIT_STRING_BITNAME ns_cert_type_table[] = {
69 {0, "SSL Client", "client"},
70 {1, "SSL Server", "server"},
71 {2, "S/MIME", "email"},
72 {3, "Object Signing", "objsign"},
73 {4, "Unused", "reserved"},
74 {5, "SSL CA", "sslCA"},
75 {6, "S/MIME CA", "emailCA"},
76 {7, "Object Signing CA", "objCA"},
77 {-1, NULL, NULL}};
78
79static const BIT_STRING_BITNAME key_usage_type_table[] = {
80 {0, "Digital Signature", "digitalSignature"},
81 {1, "Non Repudiation", "nonRepudiation"},
82 {2, "Key Encipherment", "keyEncipherment"},
83 {3, "Data Encipherment", "dataEncipherment"},
84 {4, "Key Agreement", "keyAgreement"},
85 {5, "Certificate Sign", "keyCertSign"},
86 {6, "CRL Sign", "cRLSign"},
87 {7, "Encipher Only", "encipherOnly"},
88 {8, "Decipher Only", "decipherOnly"},
89 {-1, NULL, NULL}};
90
91static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(
92 const X509V3_EXT_METHOD *method, void *ext, STACK_OF(CONF_VALUE) *ret) {
93 const ASN1_BIT_STRING *bits = ext;
94 const BIT_STRING_BITNAME *bnam;
95 for (bnam = method->usr_data; bnam->lname; bnam++) {
96 if (ASN1_BIT_STRING_get_bit(str: bits, n: bnam->bitnum)) {
97 X509V3_add_value(name: bnam->lname, NULL, extlist: &ret);
98 }
99 }
100 return ret;
101}
102
103static void *v2i_ASN1_BIT_STRING(const X509V3_EXT_METHOD *method,
104 const X509V3_CTX *ctx,
105 const STACK_OF(CONF_VALUE) *nval) {
106 ASN1_BIT_STRING *bs;
107 if (!(bs = ASN1_BIT_STRING_new())) {
108 return NULL;
109 }
110 for (size_t i = 0; i < sk_CONF_VALUE_num(sk: nval); i++) {
111 const CONF_VALUE *val = sk_CONF_VALUE_value(sk: nval, i);
112 const BIT_STRING_BITNAME *bnam;
113 for (bnam = method->usr_data; bnam->lname; bnam++) {
114 if (!strcmp(bnam->sname, val->name) || !strcmp(bnam->lname, val->name)) {
115 if (!ASN1_BIT_STRING_set_bit(str: bs, n: bnam->bitnum, value: 1)) {
116 ASN1_BIT_STRING_free(str: bs);
117 return NULL;
118 }
119 break;
120 }
121 }
122 if (!bnam->lname) {
123 OPENSSL_PUT_ERROR(X509V3, X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
124 X509V3_conf_err(val);
125 ASN1_BIT_STRING_free(str: bs);
126 return NULL;
127 }
128 }
129 return bs;
130}
131
132#define EXT_BITSTRING(nid, table) \
133 { \
134 nid, 0, ASN1_ITEM_ref(ASN1_BIT_STRING), 0, 0, 0, 0, 0, 0, \
135 i2v_ASN1_BIT_STRING, v2i_ASN1_BIT_STRING, NULL, NULL, (void *)(table) \
136 }
137
138const X509V3_EXT_METHOD v3_nscert =
139 EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
140const X509V3_EXT_METHOD v3_key_usage =
141 EXT_BITSTRING(NID_key_usage, key_usage_type_table);
142

source code of dart_sdk/third_party/boringssl/src/crypto/x509v3/v3_bitst.c