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).
67 static STACK *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, AUTHORITY_KEYID *akeyid, STACK *extlist);
68 static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *values);
72 static STACK *i2v_AUTHORITY_KEYID();
73 static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID();
77 X509V3_EXT_METHOD v3_akey_id = {
78 NID_authority_key_identifier, X509V3_EXT_MULTILINE,
79 (X509V3_EXT_NEW)AUTHORITY_KEYID_new,
81 (X509V3_EXT_D2I)d2i_AUTHORITY_KEYID,
84 (X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
85 (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
92 * ASN1err(ASN1_F_AUTHORITY_KEYID_NEW,ERR_R_MALLOC_FAILURE);
93 * ASN1err(ASN1_F_D2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE);
96 int i2d_AUTHORITY_KEYID(a,pp)
102 M_ASN1_I2D_len_IMP_opt (a->keyid, i2d_ASN1_OCTET_STRING);
103 M_ASN1_I2D_len_IMP_opt (a->issuer, i2d_GENERAL_NAMES);
104 M_ASN1_I2D_len_IMP_opt (a->serial, i2d_ASN1_INTEGER);
106 M_ASN1_I2D_seq_total();
108 M_ASN1_I2D_put_IMP_opt (a->keyid, i2d_ASN1_OCTET_STRING, 0);
109 M_ASN1_I2D_put_IMP_opt (a->issuer, i2d_GENERAL_NAMES, 1);
110 M_ASN1_I2D_put_IMP_opt (a->serial, i2d_ASN1_INTEGER, 2);
115 AUTHORITY_KEYID *AUTHORITY_KEYID_new()
117 AUTHORITY_KEYID *ret=NULL;
119 M_ASN1_New_Malloc(ret, AUTHORITY_KEYID);
124 M_ASN1_New_Error(ASN1_F_AUTHORITY_KEYID_NEW);
127 AUTHORITY_KEYID *d2i_AUTHORITY_KEYID(a,pp,length)
132 M_ASN1_D2I_vars(a,AUTHORITY_KEYID *,AUTHORITY_KEYID_new);
134 M_ASN1_D2I_start_sequence();
135 M_ASN1_D2I_get_IMP_opt (ret->keyid, d2i_ASN1_OCTET_STRING, 0,
136 V_ASN1_OCTET_STRING);
137 M_ASN1_D2I_get_IMP_opt (ret->issuer, d2i_GENERAL_NAMES, 1,
139 M_ASN1_D2I_get_IMP_opt (ret->serial, d2i_ASN1_INTEGER, 2,
141 M_ASN1_D2I_Finish(a, AUTHORITY_KEYID_free, ASN1_F_D2I_AUTHORITY_KEYID);
144 void AUTHORITY_KEYID_free(a)
147 if (a == NULL) return;
148 ASN1_OCTET_STRING_free(a->keyid);
149 sk_pop_free(a->issuer, GENERAL_NAME_free);
150 ASN1_INTEGER_free (a->serial);
154 static STACK *i2v_AUTHORITY_KEYID(method, akeyid, extlist)
155 X509V3_EXT_METHOD *method;
156 AUTHORITY_KEYID *akeyid;
161 tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length);
162 X509V3_add_value("keyid", tmp, &extlist);
166 extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist);
168 tmp = hex_to_string(akeyid->serial->data,
169 akeyid->serial->length);
170 X509V3_add_value("serial", tmp, &extlist);
176 /* Currently two options:
177 * keyid: use the issuers subject keyid, the value 'always' means its is
178 * an error if the issuer certificate doesn't have a key id.
179 * issuer: use the issuers cert issuer and serial number. The default is
180 * to only use this if keyid is not present. With the option 'always'
181 * this is always included.
184 static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(method, ctx, values)
185 X509V3_EXT_METHOD *method;
189 char keyid=0, issuer=0;
192 ASN1_OCTET_STRING *ikeyid = NULL;
193 X509_NAME *isname = NULL;
195 GENERAL_NAME *gen = NULL;
196 ASN1_INTEGER *serial = NULL;
199 AUTHORITY_KEYID *akeyid;
200 for(i = 0; i < sk_num(values); i++) {
201 cnf = (CONF_VALUE *)sk_value(values, i);
202 if(!strcmp(cnf->name, "keyid")) {
204 if(cnf->value && !strcmp(cnf->value, "always")) keyid = 2;
205 } else if(!strcmp(cnf->name, "issuer")) {
207 if(cnf->value && !strcmp(cnf->value, "always")) issuer = 2;
209 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNKNOWN_OPTION);
210 ERR_add_error_data(2, "name=", cnf->name);
217 if(!ctx || !ctx->issuer_cert) {
218 if(ctx && (ctx->flags==CTX_TEST)) return AUTHORITY_KEYID_new();
219 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_NO_ISSUER_CERTIFICATE);
223 cert = ctx->issuer_cert;
226 i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1);
227 if((i >= 0) && (ext = X509_get_ext(cert, i)))
228 ikeyid = (ASN1_OCTET_STRING *) X509V3_EXT_d2i(ext);
229 if(keyid==2 && !ikeyid) {
230 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_KEYID);
235 if((issuer && !ikeyid) || (issuer == 2)) {
236 isname = X509_NAME_dup(X509_get_issuer_name(cert));
237 serial = ASN1_INTEGER_dup(X509_get_serialNumber(cert));
238 if(!isname || !serial) {
239 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS);
244 if(!(akeyid = AUTHORITY_KEYID_new())) goto err;
247 if(!(gens = sk_new(NULL)) || !(gen = GENERAL_NAME_new())
248 || !sk_push(gens, (char *)gen)) {
249 X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE);
252 gen->type = GEN_DIRNAME;
253 gen->d.dirn = isname;
256 akeyid->issuer = gens;
257 akeyid->serial = serial;
258 akeyid->keyid = ikeyid;
263 X509_NAME_free(isname);
264 ASN1_INTEGER_free(serial);
265 ASN1_OCTET_STRING_free(ikeyid);