1 /* $OpenBSD: ocsp_prn.c,v 1.9 2022/01/07 09:45:52 tb Exp $ */
2 /* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
3  * project. */
4 
5 /* History:
6    This file was originally part of ocsp.c and was transfered to Richard
7    Levitte from CertCo by Kathy Weinhold in mid-spring 2000 to be included
8    in OpenSSL or released as a patch kit. */
9 
10 /* ====================================================================
11  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  *
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  *
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in
22  *    the documentation and/or other materials provided with the
23  *    distribution.
24  *
25  * 3. All advertising materials mentioning features or use of this
26  *    software must display the following acknowledgment:
27  *    "This product includes software developed by the OpenSSL Project
28  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
29  *
30  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
31  *    endorse or promote products derived from this software without
32  *    prior written permission. For written permission, please contact
33  *    openssl-core@openssl.org.
34  *
35  * 5. Products derived from this software may not be called "OpenSSL"
36  *    nor may "OpenSSL" appear in their names without prior written
37  *    permission of the OpenSSL Project.
38  *
39  * 6. Redistributions of any form whatsoever must retain the following
40  *    acknowledgment:
41  *    "This product includes software developed by the OpenSSL Project
42  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
43  *
44  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
45  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
47  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
48  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
49  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
51  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
53  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
54  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
55  * OF THE POSSIBILITY OF SUCH DAMAGE.
56  * ====================================================================
57  *
58  * This product includes cryptographic software written by Eric Young
59  * (eay@cryptsoft.com).  This product includes software written by Tim
60  * Hudson (tjh@cryptsoft.com).
61  *
62  */
63 
64 #include <openssl/bio.h>
65 #include <openssl/err.h>
66 #include <openssl/ocsp.h>
67 #include <openssl/pem.h>
68 
69 #include "ocsp_local.h"
70 
71 static int
72 ocsp_certid_print(BIO *bp, OCSP_CERTID* a, int indent)
73 {
74 	BIO_printf(bp, "%*sCertificate ID:\n", indent, "");
75 	indent += 2;
76 	BIO_printf(bp, "%*sHash Algorithm: ", indent, "");
77 	i2a_ASN1_OBJECT(bp, a->hashAlgorithm->algorithm);
78 	BIO_printf(bp, "\n%*sIssuer Name Hash: ", indent, "");
79 	i2a_ASN1_STRING(bp, a->issuerNameHash, V_ASN1_OCTET_STRING);
80 	BIO_printf(bp, "\n%*sIssuer Key Hash: ", indent, "");
81 	i2a_ASN1_STRING(bp, a->issuerKeyHash, V_ASN1_OCTET_STRING);
82 	BIO_printf(bp, "\n%*sSerial Number: ", indent, "");
83 	i2a_ASN1_INTEGER(bp, a->serialNumber);
84 	BIO_printf(bp, "\n");
85 	return 1;
86 }
87 
88 typedef struct {
89 	long t;
90 	const char *m;
91 } OCSP_TBLSTR;
92 
93 static const char *
94 table2string(long s, const OCSP_TBLSTR *ts, int len)
95 {
96 	const OCSP_TBLSTR *p;
97 
98 	for (p = ts; p < ts + len; p++)
99 		if (p->t == s)
100 			return p->m;
101 	return "(UNKNOWN)";
102 }
103 
104 const char *
105 OCSP_response_status_str(long s)
106 {
107 	static const OCSP_TBLSTR rstat_tbl[] = {
108 		{ OCSP_RESPONSE_STATUS_SUCCESSFUL, "successful" },
109 		{ OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, "malformedrequest" },
110 		{ OCSP_RESPONSE_STATUS_INTERNALERROR, "internalerror" },
111 		{ OCSP_RESPONSE_STATUS_TRYLATER, "trylater" },
112 		{ OCSP_RESPONSE_STATUS_SIGREQUIRED, "sigrequired" },
113 		{ OCSP_RESPONSE_STATUS_UNAUTHORIZED, "unauthorized" }
114 	};
115 	return table2string(s, rstat_tbl, 6);
116 }
117 
118 const char *
119 OCSP_cert_status_str(long s)
120 {
121 	static const OCSP_TBLSTR cstat_tbl[] = {
122 		{ V_OCSP_CERTSTATUS_GOOD, "good" },
123 		{ V_OCSP_CERTSTATUS_REVOKED, "revoked" },
124 		{ V_OCSP_CERTSTATUS_UNKNOWN, "unknown" }
125 	};
126 	return table2string(s, cstat_tbl, 3);
127 }
128 
129 const char *
130 OCSP_crl_reason_str(long s)
131 {
132 	static const OCSP_TBLSTR reason_tbl[] = {
133 		{ OCSP_REVOKED_STATUS_UNSPECIFIED, "unspecified" },
134 		{ OCSP_REVOKED_STATUS_KEYCOMPROMISE, "keyCompromise" },
135 		{ OCSP_REVOKED_STATUS_CACOMPROMISE, "cACompromise" },
136 		{ OCSP_REVOKED_STATUS_AFFILIATIONCHANGED, "affiliationChanged" },
137 		{ OCSP_REVOKED_STATUS_SUPERSEDED, "superseded" },
138 		{ OCSP_REVOKED_STATUS_CESSATIONOFOPERATION, "cessationOfOperation" },
139 		{ OCSP_REVOKED_STATUS_CERTIFICATEHOLD, "certificateHold" },
140 		{ OCSP_REVOKED_STATUS_REMOVEFROMCRL, "removeFromCRL" }
141 	};
142 	return table2string(s, reason_tbl, 8);
143 }
144 
145 int
146 OCSP_REQUEST_print(BIO *bp, OCSP_REQUEST* o, unsigned long flags)
147 {
148 	int i;
149 	long l;
150 	OCSP_CERTID* cid = NULL;
151 	OCSP_ONEREQ *one = NULL;
152 	OCSP_REQINFO *inf = o->tbsRequest;
153 	OCSP_SIGNATURE *sig = o->optionalSignature;
154 
155 	if (BIO_write(bp, "OCSP Request Data:\n", 19) <= 0)
156 		goto err;
157 	l = ASN1_INTEGER_get(inf->version);
158 	if (BIO_printf(bp, "    Version: %lu (0x%lx)", l+1, l) <= 0)
159 		goto err;
160 	if (inf->requestorName != NULL) {
161 		if (BIO_write(bp, "\n    Requestor Name: ", 21) <= 0)
162 			goto err;
163 		GENERAL_NAME_print(bp, inf->requestorName);
164 	}
165 	if (BIO_write(bp, "\n    Requestor List:\n", 21) <= 0)
166 		goto err;
167 	for (i = 0; i < sk_OCSP_ONEREQ_num(inf->requestList); i++) {
168 		one = sk_OCSP_ONEREQ_value(inf->requestList, i);
169 		cid = one->reqCert;
170 		ocsp_certid_print(bp, cid, 8);
171 		if (!X509V3_extensions_print(bp, "Request Single Extensions",
172 		    one->singleRequestExtensions, flags, 8))
173 			goto err;
174 	}
175 	if (!X509V3_extensions_print(bp, "Request Extensions",
176 	    inf->requestExtensions, flags, 4))
177 		goto err;
178 	if (sig) {
179 		if (X509_signature_print(bp, sig->signatureAlgorithm,
180 		    sig->signature) == 0)
181 			goto err;
182 		for (i = 0; i < sk_X509_num(sig->certs); i++) {
183 			if (X509_print(bp, sk_X509_value(sig->certs, i)) == 0)
184 				goto err;
185 			if (PEM_write_bio_X509(bp,
186 			    sk_X509_value(sig->certs, i)) == 0)
187 				goto err;
188 		}
189 	}
190 	return 1;
191 
192 err:
193 	return 0;
194 }
195 
196 int
197 OCSP_RESPONSE_print(BIO *bp, OCSP_RESPONSE* o, unsigned long flags)
198 {
199 	int i, ret = 0;
200 	long l;
201 	OCSP_CERTID *cid = NULL;
202 	OCSP_BASICRESP *br = NULL;
203 	OCSP_RESPID *rid = NULL;
204 	OCSP_RESPDATA  *rd = NULL;
205 	OCSP_CERTSTATUS *cst = NULL;
206 	OCSP_REVOKEDINFO *rev = NULL;
207 	OCSP_SINGLERESP *single = NULL;
208 	OCSP_RESPBYTES *rb = o->responseBytes;
209 
210 	if (BIO_puts(bp, "OCSP Response Data:\n") <= 0)
211 		goto err;
212 	l = ASN1_ENUMERATED_get(o->responseStatus);
213 	if (BIO_printf(bp, "    OCSP Response Status: %s (0x%lx)\n",
214 	    OCSP_response_status_str(l), l) <= 0)
215 		goto err;
216 	if (rb == NULL)
217 		return 1;
218 	if (BIO_puts(bp, "    Response Type: ") <= 0)
219 		goto err;
220 	if (i2a_ASN1_OBJECT(bp, rb->responseType) <= 0)
221 		goto err;
222 	if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
223 		BIO_puts(bp, " (unknown response type)\n");
224 		return 1;
225 	}
226 
227 	i = ASN1_STRING_length(rb->response);
228 	if (!(br = OCSP_response_get1_basic(o)))
229 		goto err;
230 	rd = br->tbsResponseData;
231 	l = ASN1_INTEGER_get(rd->version);
232 	if (BIO_printf(bp, "\n    Version: %lu (0x%lx)\n", l+1, l) <= 0)
233 		goto err;
234 	if (BIO_puts(bp, "    Responder Id: ") <= 0)
235 		goto err;
236 
237 	rid = rd->responderId;
238 	switch (rid->type) {
239 	case V_OCSP_RESPID_NAME:
240 		X509_NAME_print_ex(bp, rid->value.byName, 0, XN_FLAG_ONELINE);
241 		break;
242 	case V_OCSP_RESPID_KEY:
243 		i2a_ASN1_STRING(bp, rid->value.byKey, V_ASN1_OCTET_STRING);
244 		break;
245 	}
246 
247 	if (BIO_printf(bp, "\n    Produced At: ")<=0)
248 		goto err;
249 	if (!ASN1_GENERALIZEDTIME_print(bp, rd->producedAt))
250 		goto err;
251 	if (BIO_printf(bp, "\n    Responses:\n") <= 0)
252 		goto err;
253 	for (i = 0; i < sk_OCSP_SINGLERESP_num(rd->responses); i++) {
254 		if (! sk_OCSP_SINGLERESP_value(rd->responses, i))
255 			continue;
256 		single = sk_OCSP_SINGLERESP_value(rd->responses, i);
257 		cid = single->certId;
258 		if (ocsp_certid_print(bp, cid, 4) <= 0)
259 			goto err;
260 		cst = single->certStatus;
261 		if (BIO_printf(bp, "    Cert Status: %s",
262 		    OCSP_cert_status_str(cst->type)) <= 0)
263 			goto err;
264 		if (cst->type == V_OCSP_CERTSTATUS_REVOKED) {
265 			rev = cst->value.revoked;
266 			if (BIO_printf(bp, "\n    Revocation Time: ") <= 0)
267 				goto err;
268 			if (!ASN1_GENERALIZEDTIME_print(bp,
269 			    rev->revocationTime))
270 				goto err;
271 			if (rev->revocationReason) {
272 				l = ASN1_ENUMERATED_get(rev->revocationReason);
273 				if (BIO_printf(bp,
274 				    "\n    Revocation Reason: %s (0x%lx)",
275 				    OCSP_crl_reason_str(l), l) <= 0)
276 					goto err;
277 			}
278 		}
279 		if (BIO_printf(bp, "\n    This Update: ") <= 0)
280 			goto err;
281 		if (!ASN1_GENERALIZEDTIME_print(bp, single->thisUpdate))
282 			goto err;
283 		if (single->nextUpdate) {
284 			if (BIO_printf(bp, "\n    Next Update: ") <= 0)
285 				goto err;
286 			if (!ASN1_GENERALIZEDTIME_print(bp, single->nextUpdate))
287 				goto err;
288 		}
289 		if (BIO_write(bp, "\n", 1) <= 0)
290 			goto err;
291 		if (!X509V3_extensions_print(bp, "Response Single Extensions",
292 		    single->singleExtensions, flags, 8))
293 			goto err;
294 		if (BIO_write(bp, "\n", 1) <= 0)
295 			goto err;
296 	}
297 	if (!X509V3_extensions_print(bp, "Response Extensions",
298 	    rd->responseExtensions, flags, 4))
299 		goto err;
300 	if (X509_signature_print(bp, br->signatureAlgorithm, br->signature) <=
301 	    0)
302 		goto err;
303 
304 	for (i = 0; i < sk_X509_num(br->certs); i++) {
305 		X509_print(bp, sk_X509_value(br->certs, i));
306 		PEM_write_bio_X509(bp, sk_X509_value(br->certs, i));
307 	}
308 
309 	ret = 1;
310 
311 err:
312 	OCSP_BASICRESP_free(br);
313 	return ret;
314 }
315