v3_ocsp.c revision 296465 
1/* v3_ocsp.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999.
5 */
6/* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60#ifndef OPENSSL_NO_OCSP
61
62# include <stdio.h>
63# include "cryptlib.h"
64# include <openssl/conf.h>
65# include <openssl/asn1.h>
66# include <openssl/ocsp.h>
67# include <openssl/x509v3.h>
68
69/*
70 * OCSP extensions and a couple of CRL entry extensions
71 */
72
73static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *nonce, BIO *out,
74                          int indent);
75static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *nonce, BIO *out,
76                            int indent);
77static int i2r_object(X509V3_EXT_METHOD *method, void *obj, BIO *out,
78                      int indent);
79
80static void *ocsp_nonce_new(void);
81static int i2d_ocsp_nonce(void *a, unsigned char **pp);
82static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
83static void ocsp_nonce_free(void *a);
84static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out,
85                          int indent);
86
87static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck,
88                            BIO *out, int indent);
89static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
90                              const char *str);
91static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp,
92                               int ind);
93
94const X509V3_EXT_METHOD v3_ocsp_crlid = {
95    NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
96    0, 0, 0, 0,
97    0, 0,
98    0, 0,
99    i2r_ocsp_crlid, 0,
100    NULL
101};
102
103const X509V3_EXT_METHOD v3_ocsp_acutoff = {
104    NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
105    0, 0, 0, 0,
106    0, 0,
107    0, 0,
108    i2r_ocsp_acutoff, 0,
109    NULL
110};
111
112const X509V3_EXT_METHOD v3_crl_invdate = {
113    NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
114    0, 0, 0, 0,
115    0, 0,
116    0, 0,
117    i2r_ocsp_acutoff, 0,
118    NULL
119};
120
121const X509V3_EXT_METHOD v3_crl_hold = {
122    NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
123    0, 0, 0, 0,
124    0, 0,
125    0, 0,
126    i2r_object, 0,
127    NULL
128};
129
130const X509V3_EXT_METHOD v3_ocsp_nonce = {
131    NID_id_pkix_OCSP_Nonce, 0, NULL,
132    ocsp_nonce_new,
133    ocsp_nonce_free,
134    d2i_ocsp_nonce,
135    i2d_ocsp_nonce,
136    0, 0,
137    0, 0,
138    i2r_ocsp_nonce, 0,
139    NULL
140};
141
142const X509V3_EXT_METHOD v3_ocsp_nocheck = {
143    NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
144    0, 0, 0, 0,
145    0, s2i_ocsp_nocheck,
146    0, 0,
147    i2r_ocsp_nocheck, 0,
148    NULL
149};
150
151const X509V3_EXT_METHOD v3_ocsp_serviceloc = {
152    NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
153    0, 0, 0, 0,
154    0, 0,
155    0, 0,
156    i2r_ocsp_serviceloc, 0,
157    NULL
158};
159
160static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *in, BIO *bp,
161                          int ind)
162{
163    OCSP_CRLID *a = in;
164    if (a->crlUrl) {
165        if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0)
166            goto err;
167        if (!ASN1_STRING_print(bp, (ASN1_STRING *)a->crlUrl))
168            goto err;
169        if (BIO_write(bp, "\n", 1) <= 0)
170            goto err;
171    }
172    if (a->crlNum) {
173        if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0)
174            goto err;
175        if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0)
176            goto err;
177        if (BIO_write(bp, "\n", 1) <= 0)
178            goto err;
179    }
180    if (a->crlTime) {
181        if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0)
182            goto err;
183        if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime))
184            goto err;
185        if (BIO_write(bp, "\n", 1) <= 0)
186            goto err;
187    }
188    return 1;
189 err:
190    return 0;
191}
192
193static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *cutoff, BIO *bp,
194                            int ind)
195{
196    if (BIO_printf(bp, "%*s", ind, "") <= 0)
197        return 0;
198    if (!ASN1_GENERALIZEDTIME_print(bp, cutoff))
199        return 0;
200    return 1;
201}
202
203static int i2r_object(X509V3_EXT_METHOD *method, void *oid, BIO *bp, int ind)
204{
205    if (BIO_printf(bp, "%*s", ind, "") <= 0)
206        return 0;
207    if (i2a_ASN1_OBJECT(bp, oid) <= 0)
208        return 0;
209    return 1;
210}
211
212/*
213 * OCSP nonce. This is needs special treatment because it doesn't have an
214 * ASN1 encoding at all: it just contains arbitrary data.
215 */
216
217static void *ocsp_nonce_new(void)
218{
219    return ASN1_OCTET_STRING_new();
220}
221
222static int i2d_ocsp_nonce(void *a, unsigned char **pp)
223{
224    ASN1_OCTET_STRING *os = a;
225    if (pp) {
226        memcpy(*pp, os->data, os->length);
227        *pp += os->length;
228    }
229    return os->length;
230}
231
232static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
233{
234    ASN1_OCTET_STRING *os, **pos;
235    pos = a;
236    if (!pos || !*pos)
237        os = ASN1_OCTET_STRING_new();
238    else
239        os = *pos;
240    if (!ASN1_OCTET_STRING_set(os, *pp, length))
241        goto err;
242
243    *pp += length;
244
245    if (pos)
246        *pos = os;
247    return os;
248
249 err:
250    if (os && (!pos || (*pos != os)))
251        M_ASN1_OCTET_STRING_free(os);
252    OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
253    return NULL;
254}
255
256static void ocsp_nonce_free(void *a)
257{
258    M_ASN1_OCTET_STRING_free(a);
259}
260
261static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out,
262                          int indent)
263{
264    if (BIO_printf(out, "%*s", indent, "") <= 0)
265        return 0;
266    if (i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0)
267        return 0;
268    return 1;
269}
270
271/* Nocheck is just a single NULL. Don't print anything and always set it */
272
273static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck,
274                            BIO *out, int indent)
275{
276    return 1;
277}
278
279static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
280                              const char *str)
281{
282    return ASN1_NULL_new();
283}
284
285static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp,
286                               int ind)
287{
288    int i;
289    OCSP_SERVICELOC *a = in;
290    ACCESS_DESCRIPTION *ad;
291
292    if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0)
293        goto err;
294    if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0)
295        goto err;
296    for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++) {
297        ad = sk_ACCESS_DESCRIPTION_value(a->locator, i);
298        if (BIO_printf(bp, "\n%*s", (2 * ind), "") <= 0)
299            goto err;
300        if (i2a_ASN1_OBJECT(bp, ad->method) <= 0)
301            goto err;
302        if (BIO_puts(bp, " - ") <= 0)
303            goto err;
304        if (GENERAL_NAME_print(bp, ad->location) <= 0)
305            goto err;
306    }
307    return 1;
308 err:
309    return 0;
310}
311#endif
312