1 /*
2 * Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11 #include "internal/cryptlib.h"
12 #include <openssl/conf.h>
13 #include <openssl/asn1.h>
14 #include <openssl/ocsp.h>
15 #include "ocsp_local.h"
16 #include <openssl/x509v3.h>
17 #include "../x509/ext_dat.h"
18
19 /*
20 * OCSP extensions and a couple of CRL entry extensions
21 */
22
23 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *nonce,
24 BIO *out, int indent);
25 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *nonce,
26 BIO *out, int indent);
27 static int i2r_object(const X509V3_EXT_METHOD *method, void *obj, BIO *out,
28 int indent);
29
30 static void *ocsp_nonce_new(void);
31 static int i2d_ocsp_nonce(const void *a, unsigned char **pp);
32 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
33 static void ocsp_nonce_free(void *a);
34 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
35 BIO *out, int indent);
36
37 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method,
38 void *nocheck, BIO *out, int indent);
39 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method,
40 X509V3_CTX *ctx, const char *str);
41 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
42 BIO *bp, int ind);
43
44 const X509V3_EXT_METHOD ossl_v3_ocsp_crlid = {
45 NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
46 0, 0, 0, 0,
47 0, 0,
48 0, 0,
49 i2r_ocsp_crlid, 0,
50 NULL
51 };
52
53 const X509V3_EXT_METHOD ossl_v3_ocsp_acutoff = {
54 NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
55 0, 0, 0, 0,
56 0, 0,
57 0, 0,
58 i2r_ocsp_acutoff, 0,
59 NULL
60 };
61
62 const X509V3_EXT_METHOD ossl_v3_crl_invdate = {
63 NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
64 0, 0, 0, 0,
65 0, 0,
66 0, 0,
67 i2r_ocsp_acutoff, 0,
68 NULL
69 };
70
71 const X509V3_EXT_METHOD ossl_v3_crl_hold = {
72 NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
73 0, 0, 0, 0,
74 0, 0,
75 0, 0,
76 i2r_object, 0,
77 NULL
78 };
79
80 const X509V3_EXT_METHOD ossl_v3_ocsp_nonce = {
81 NID_id_pkix_OCSP_Nonce, 0, NULL,
82 ocsp_nonce_new,
83 ocsp_nonce_free,
84 d2i_ocsp_nonce,
85 i2d_ocsp_nonce,
86 0, 0,
87 0, 0,
88 i2r_ocsp_nonce, 0,
89 NULL
90 };
91
92 const X509V3_EXT_METHOD ossl_v3_ocsp_nocheck = {
93 NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
94 0, 0, 0, 0,
95 0, s2i_ocsp_nocheck,
96 0, 0,
97 i2r_ocsp_nocheck, 0,
98 NULL
99 };
100
101 const X509V3_EXT_METHOD ossl_v3_ocsp_serviceloc = {
102 NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
103 0, 0, 0, 0,
104 0, 0,
105 0, 0,
106 i2r_ocsp_serviceloc, 0,
107 NULL
108 };
109
i2r_ocsp_crlid(const X509V3_EXT_METHOD * method,void * in,BIO * bp,int ind)110 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *in, BIO *bp,
111 int ind)
112 {
113 OCSP_CRLID *a = in;
114 if (a->crlUrl) {
115 if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0)
116 goto err;
117 if (!ASN1_STRING_print(bp, (ASN1_STRING *)a->crlUrl))
118 goto err;
119 if (BIO_write(bp, "\n", 1) <= 0)
120 goto err;
121 }
122 if (a->crlNum) {
123 if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0)
124 goto err;
125 if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0)
126 goto err;
127 if (BIO_write(bp, "\n", 1) <= 0)
128 goto err;
129 }
130 if (a->crlTime) {
131 if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0)
132 goto err;
133 if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime))
134 goto err;
135 if (BIO_write(bp, "\n", 1) <= 0)
136 goto err;
137 }
138 return 1;
139 err:
140 return 0;
141 }
142
i2r_ocsp_acutoff(const X509V3_EXT_METHOD * method,void * cutoff,BIO * bp,int ind)143 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *cutoff,
144 BIO *bp, int ind)
145 {
146 if (BIO_printf(bp, "%*s", ind, "") <= 0)
147 return 0;
148 if (!ASN1_GENERALIZEDTIME_print(bp, cutoff))
149 return 0;
150 return 1;
151 }
152
i2r_object(const X509V3_EXT_METHOD * method,void * oid,BIO * bp,int ind)153 static int i2r_object(const X509V3_EXT_METHOD *method, void *oid, BIO *bp,
154 int ind)
155 {
156 if (BIO_printf(bp, "%*s", ind, "") <= 0)
157 return 0;
158 if (i2a_ASN1_OBJECT(bp, oid) <= 0)
159 return 0;
160 return 1;
161 }
162
163 /*
164 * OCSP nonce. This is needs special treatment because it doesn't have an
165 * ASN1 encoding at all: it just contains arbitrary data.
166 */
167
ocsp_nonce_new(void)168 static void *ocsp_nonce_new(void)
169 {
170 return ASN1_OCTET_STRING_new();
171 }
172
i2d_ocsp_nonce(const void * a,unsigned char ** pp)173 static int i2d_ocsp_nonce(const void *a, unsigned char **pp)
174 {
175 const ASN1_OCTET_STRING *os = a;
176 if (pp) {
177 memcpy(*pp, os->data, os->length);
178 *pp += os->length;
179 }
180 return os->length;
181 }
182
d2i_ocsp_nonce(void * a,const unsigned char ** pp,long length)183 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
184 {
185 ASN1_OCTET_STRING *os, **pos;
186 pos = a;
187 if (pos == NULL || *pos == NULL) {
188 os = ASN1_OCTET_STRING_new();
189 if (os == NULL)
190 goto err;
191 } else {
192 os = *pos;
193 }
194 if (!ASN1_OCTET_STRING_set(os, *pp, length))
195 goto err;
196
197 *pp += length;
198
199 if (pos)
200 *pos = os;
201 return os;
202
203 err:
204 if ((pos == NULL) || (*pos != os))
205 ASN1_OCTET_STRING_free(os);
206 ERR_raise(ERR_LIB_OCSP, ERR_R_ASN1_LIB);
207 return NULL;
208 }
209
ocsp_nonce_free(void * a)210 static void ocsp_nonce_free(void *a)
211 {
212 ASN1_OCTET_STRING_free(a);
213 }
214
i2r_ocsp_nonce(const X509V3_EXT_METHOD * method,void * nonce,BIO * out,int indent)215 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
216 BIO *out, int indent)
217 {
218 if (BIO_printf(out, "%*s", indent, "") <= 0)
219 return 0;
220 if (i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0)
221 return 0;
222 return 1;
223 }
224
225 /* Nocheck is just a single NULL. Don't print anything and always set it */
226
i2r_ocsp_nocheck(const X509V3_EXT_METHOD * method,void * nocheck,BIO * out,int indent)227 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method, void *nocheck,
228 BIO *out, int indent)
229 {
230 return 1;
231 }
232
s2i_ocsp_nocheck(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,const char * str)233 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method,
234 X509V3_CTX *ctx, const char *str)
235 {
236 return ASN1_NULL_new();
237 }
238
i2r_ocsp_serviceloc(const X509V3_EXT_METHOD * method,void * in,BIO * bp,int ind)239 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
240 BIO *bp, int ind)
241 {
242 int i;
243 OCSP_SERVICELOC *a = in;
244 ACCESS_DESCRIPTION *ad;
245
246 if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0)
247 goto err;
248 if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0)
249 goto err;
250 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++) {
251 ad = sk_ACCESS_DESCRIPTION_value(a->locator, i);
252 if (BIO_printf(bp, "\n%*s", (2 * ind), "") <= 0)
253 goto err;
254 if (i2a_ASN1_OBJECT(bp, ad->method) <= 0)
255 goto err;
256 if (BIO_puts(bp, " - ") <= 0)
257 goto err;
258 if (GENERAL_NAME_print(bp, ad->location) <= 0)
259 goto err;
260 }
261 return 1;
262 err:
263 return 0;
264 }
265
