2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
61 #include <openssl/conf.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1_mac.h>
64 #include <openssl/x509v3.h>
66 static STACK_OF(CONF_VALUE
) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD
*method
,
67 AUTHORITY_KEYID
*akeyid
, STACK_OF(CONF_VALUE
) *extlist
);
68 static AUTHORITY_KEYID
*v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD
*method
,
69 X509V3_CTX
*ctx
, STACK_OF(CONF_VALUE
) *values
);
71 X509V3_EXT_METHOD v3_akey_id
= {
72 NID_authority_key_identifier
, X509V3_EXT_MULTILINE
,
73 (X509V3_EXT_NEW
)AUTHORITY_KEYID_new
,
74 (X509V3_EXT_FREE
)AUTHORITY_KEYID_free
,
75 (X509V3_EXT_D2I
)d2i_AUTHORITY_KEYID
,
76 (X509V3_EXT_I2D
)i2d_AUTHORITY_KEYID
,
78 (X509V3_EXT_I2V
)i2v_AUTHORITY_KEYID
,
79 (X509V3_EXT_V2I
)v2i_AUTHORITY_KEYID
,
85 int i2d_AUTHORITY_KEYID(AUTHORITY_KEYID
*a
, unsigned char **pp
)
89 M_ASN1_I2D_len_IMP_opt (a
->keyid
, i2d_ASN1_OCTET_STRING
);
90 M_ASN1_I2D_len_IMP_opt (a
->issuer
, i2d_GENERAL_NAMES
);
91 M_ASN1_I2D_len_IMP_opt (a
->serial
, i2d_ASN1_INTEGER
);
93 M_ASN1_I2D_seq_total();
95 M_ASN1_I2D_put_IMP_opt (a
->keyid
, i2d_ASN1_OCTET_STRING
, 0);
96 M_ASN1_I2D_put_IMP_opt (a
->issuer
, i2d_GENERAL_NAMES
, 1);
97 M_ASN1_I2D_put_IMP_opt (a
->serial
, i2d_ASN1_INTEGER
, 2);
102 AUTHORITY_KEYID
*AUTHORITY_KEYID_new(void)
104 AUTHORITY_KEYID
*ret
=NULL
;
106 M_ASN1_New_Malloc(ret
, AUTHORITY_KEYID
);
111 M_ASN1_New_Error(ASN1_F_AUTHORITY_KEYID_NEW
);
114 AUTHORITY_KEYID
*d2i_AUTHORITY_KEYID(AUTHORITY_KEYID
**a
, unsigned char **pp
,
117 M_ASN1_D2I_vars(a
,AUTHORITY_KEYID
*,AUTHORITY_KEYID_new
);
119 M_ASN1_D2I_start_sequence();
120 M_ASN1_D2I_get_IMP_opt (ret
->keyid
, d2i_ASN1_OCTET_STRING
, 0,
121 V_ASN1_OCTET_STRING
);
122 M_ASN1_D2I_get_IMP_opt (ret
->issuer
, d2i_GENERAL_NAMES
, 1,
124 M_ASN1_D2I_get_IMP_opt (ret
->serial
, d2i_ASN1_INTEGER
, 2,
126 M_ASN1_D2I_Finish(a
, AUTHORITY_KEYID_free
, ASN1_F_D2I_AUTHORITY_KEYID
);
129 void AUTHORITY_KEYID_free(AUTHORITY_KEYID
*a
)
131 if (a
== NULL
) return;
132 M_ASN1_OCTET_STRING_free(a
->keyid
);
133 sk_GENERAL_NAME_pop_free(a
->issuer
, GENERAL_NAME_free
);
134 M_ASN1_INTEGER_free (a
->serial
);
138 static STACK_OF(CONF_VALUE
) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD
*method
,
139 AUTHORITY_KEYID
*akeyid
, STACK_OF(CONF_VALUE
) *extlist
)
143 tmp
= hex_to_string(akeyid
->keyid
->data
, akeyid
->keyid
->length
);
144 X509V3_add_value("keyid", tmp
, &extlist
);
148 extlist
= i2v_GENERAL_NAMES(NULL
, akeyid
->issuer
, extlist
);
150 tmp
= hex_to_string(akeyid
->serial
->data
,
151 akeyid
->serial
->length
);
152 X509V3_add_value("serial", tmp
, &extlist
);
158 /* Currently two options:
159 * keyid: use the issuers subject keyid, the value 'always' means its is
160 * an error if the issuer certificate doesn't have a key id.
161 * issuer: use the issuers cert issuer and serial number. The default is
162 * to only use this if keyid is not present. With the option 'always'
163 * this is always included.
166 static AUTHORITY_KEYID
*v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD
*method
,
167 X509V3_CTX
*ctx
, STACK_OF(CONF_VALUE
) *values
)
169 char keyid
=0, issuer
=0;
172 ASN1_OCTET_STRING
*ikeyid
= NULL
;
173 X509_NAME
*isname
= NULL
;
174 STACK_OF(GENERAL_NAME
) * gens
= NULL
;
175 GENERAL_NAME
*gen
= NULL
;
176 ASN1_INTEGER
*serial
= NULL
;
179 AUTHORITY_KEYID
*akeyid
;
180 for(i
= 0; i
< sk_CONF_VALUE_num(values
); i
++) {
181 cnf
= sk_CONF_VALUE_value(values
, i
);
182 if(!strcmp(cnf
->name
, "keyid")) {
184 if(cnf
->value
&& !strcmp(cnf
->value
, "always")) keyid
= 2;
185 } else if(!strcmp(cnf
->name
, "issuer")) {
187 if(cnf
->value
&& !strcmp(cnf
->value
, "always")) issuer
= 2;
189 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID
,X509V3_R_UNKNOWN_OPTION
);
190 ERR_add_error_data(2, "name=", cnf
->name
);
197 if(!ctx
|| !ctx
->issuer_cert
) {
198 if(ctx
&& (ctx
->flags
==CTX_TEST
)) return AUTHORITY_KEYID_new();
199 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID
,X509V3_R_NO_ISSUER_CERTIFICATE
);
203 cert
= ctx
->issuer_cert
;
206 i
= X509_get_ext_by_NID(cert
, NID_subject_key_identifier
, -1);
207 if((i
>= 0) && (ext
= X509_get_ext(cert
, i
)))
208 ikeyid
= X509V3_EXT_d2i(ext
);
209 if(keyid
==2 && !ikeyid
) {
210 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID
,X509V3_R_UNABLE_TO_GET_ISSUER_KEYID
);
215 if((issuer
&& !ikeyid
) || (issuer
== 2)) {
216 isname
= X509_NAME_dup(X509_get_issuer_name(cert
));
217 serial
= M_ASN1_INTEGER_dup(X509_get_serialNumber(cert
));
218 if(!isname
|| !serial
) {
219 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID
,X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS
);
224 if(!(akeyid
= AUTHORITY_KEYID_new())) goto err
;
227 if(!(gens
= sk_GENERAL_NAME_new_null()) || !(gen
= GENERAL_NAME_new())
228 || !sk_GENERAL_NAME_push(gens
, gen
)) {
229 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID
,ERR_R_MALLOC_FAILURE
);
232 gen
->type
= GEN_DIRNAME
;
233 gen
->d
.dirn
= isname
;
236 akeyid
->issuer
= gens
;
237 akeyid
->serial
= serial
;
238 akeyid
->keyid
= ikeyid
;
243 X509_NAME_free(isname
);
244 M_ASN1_INTEGER_free(serial
);
245 M_ASN1_OCTET_STRING_free(ikeyid
);