1 /* v3_ocsp.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 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 */
58
59 #ifndef OPENSSL_NO_OCSP
60
61 #include <stdio.h>
62 #include "cryptlib.h"
63 #include <openssl/conf.h>
64 #include <openssl/asn1.h>
65 #include <openssl/ocsp.h>
66 #include <openssl/x509v3.h>
67
68 /* OCSP extensions and a couple of CRL entry extensions
69 */
70
71 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *nonce,
72 BIO *out, int indent);
73 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *nonce,
74 BIO *out, int indent);
75 static int i2r_object(const X509V3_EXT_METHOD *method, void *obj, BIO *out,
76 int indent);
77
78 static void *ocsp_nonce_new(void);
79 static int i2d_ocsp_nonce(void *a, unsigned char **pp);
80 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
81 static void ocsp_nonce_free(void *a);
82 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
83 BIO *out, int indent);
84
85 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method,
86 void *nocheck, BIO *out, int indent);
87 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
88 const char *str);
89 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
90 BIO *bp, int ind);
91
92 const X509V3_EXT_METHOD v3_ocsp_crlid = {
93 NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
94 0,0,0,0,
95 0,0,
96 0,0,
97 i2r_ocsp_crlid,0,
98 NULL
99 };
100
101 const X509V3_EXT_METHOD v3_ocsp_acutoff = {
102 NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
103 0,0,0,0,
104 0,0,
105 0,0,
106 i2r_ocsp_acutoff,0,
107 NULL
108 };
109
110 const X509V3_EXT_METHOD v3_crl_invdate = {
111 NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
112 0,0,0,0,
113 0,0,
114 0,0,
115 i2r_ocsp_acutoff,0,
116 NULL
117 };
118
119 const X509V3_EXT_METHOD v3_crl_hold = {
120 NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
121 0,0,0,0,
122 0,0,
123 0,0,
124 i2r_object,0,
125 NULL
126 };
127
128 const X509V3_EXT_METHOD v3_ocsp_nonce = {
129 NID_id_pkix_OCSP_Nonce, 0, NULL,
130 ocsp_nonce_new,
131 ocsp_nonce_free,
132 d2i_ocsp_nonce,
133 i2d_ocsp_nonce,
134 0,0,
135 0,0,
136 i2r_ocsp_nonce,0,
137 NULL
138 };
139
140 const X509V3_EXT_METHOD v3_ocsp_nocheck = {
141 NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
142 0,0,0,0,
143 0,s2i_ocsp_nocheck,
144 0,0,
145 i2r_ocsp_nocheck,0,
146 NULL
147 };
148
149 const X509V3_EXT_METHOD v3_ocsp_serviceloc = {
150 NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
151 0,0,0,0,
152 0,0,
153 0,0,
154 i2r_ocsp_serviceloc,0,
155 NULL
156 };
157
158 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *in, BIO *bp,
159 int ind)
160 {
161 OCSP_CRLID *a = in;
162 if (a->crlUrl)
163 {
164 if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0) goto err;
165 if (!ASN1_STRING_print(bp, (ASN1_STRING*)a->crlUrl)) goto err;
166 if (BIO_write(bp, "\n", 1) <= 0) goto err;
167 }
168 if (a->crlNum)
169 {
170 if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0) goto err;
171 if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0) goto err;
172 if (BIO_write(bp, "\n", 1) <= 0) goto err;
173 }
174 if (a->crlTime)
175 {
176 if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0) goto err;
177 if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime)) goto err;
178 if (BIO_write(bp, "\n", 1) <= 0) goto err;
179 }
180 return 1;
181 err:
182 return 0;
183 }
184
185 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *cutoff,
186 BIO *bp, int ind)
187 {
188 if (BIO_printf(bp, "%*s", ind, "") <= 0) return 0;
189 if(!ASN1_GENERALIZEDTIME_print(bp, cutoff)) return 0;
190 return 1;
191 }
192
193
194 static int i2r_object(const X509V3_EXT_METHOD *method, void *oid, BIO *bp,
195 int ind)
196 {
197 if (BIO_printf(bp, "%*s", ind, "") <= 0) return 0;
198 if(i2a_ASN1_OBJECT(bp, oid) <= 0) return 0;
199 return 1;
200 }
201
202 /* OCSP nonce. This is needs special treatment because it doesn't have
203 * an ASN1 encoding at all: it just contains arbitrary data.
204 */
205
206 static void *ocsp_nonce_new(void)
207 {
208 return ASN1_OCTET_STRING_new();
209 }
210
211 static int i2d_ocsp_nonce(void *a, unsigned char **pp)
212 {
213 ASN1_OCTET_STRING *os = a;
214 if(pp) {
215 memcpy(*pp, os->data, os->length);
216 *pp += os->length;
217 }
218 return os->length;
219 }
220
221 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
222 {
223 ASN1_OCTET_STRING *os, **pos;
224 pos = a;
225 if(!pos || !*pos) os = ASN1_OCTET_STRING_new();
226 else os = *pos;
227 if(!ASN1_OCTET_STRING_set(os, *pp, length)) goto err;
228
229 *pp += length;
230
231 if(pos) *pos = os;
232 return os;
233
234 err:
235 if(os && (!pos || (*pos != os))) M_ASN1_OCTET_STRING_free(os);
236 OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
237 return NULL;
238 }
239
240 static void ocsp_nonce_free(void *a)
241 {
242 M_ASN1_OCTET_STRING_free(a);
243 }
244
245 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
246 BIO *out, int indent)
247 {
248 if(BIO_printf(out, "%*s", indent, "") <= 0) return 0;
249 if(i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) return 0;
250 return 1;
251 }
252
253 /* Nocheck is just a single NULL. Don't print anything and always set it */
254
255 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method, void *nocheck,
256 BIO *out, int indent)
257 {
258 return 1;
259 }
260
261 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
262 const char *str)
263 {
264 return ASN1_NULL_new();
265 }
266
267 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
268 BIO *bp, int ind)
269 {
270 int i;
271 OCSP_SERVICELOC *a = in;
272 ACCESS_DESCRIPTION *ad;
273
274 if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0) goto err;
275 if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0) goto err;
276 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++)
277 {
278 ad = sk_ACCESS_DESCRIPTION_value(a->locator,i);
279 if (BIO_printf(bp, "\n%*s", (2*ind), "") <= 0)
280 goto err;
281 if(i2a_ASN1_OBJECT(bp, ad->method) <= 0) goto err;
282 if(BIO_puts(bp, " - ") <= 0) goto err;
283 if(GENERAL_NAME_print(bp, ad->location) <= 0) goto err;
284 }
285 return 1;
286 err:
287 return 0;
288 }
289 #endif