xref: /openbsd/lib/libcrypto/ocsp/ocsp_prn.c (revision 8529ddd3)
1 /* $OpenBSD: ocsp_prn.c,v 1.7 2014/06/12 15:49:30 deraadt 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 static int
70 ocsp_certid_print(BIO *bp, OCSP_CERTID* a, int indent)
71 {
72 	BIO_printf(bp, "%*sCertificate ID:\n", indent, "");
73 	indent += 2;
74 	BIO_printf(bp, "%*sHash Algorithm: ", indent, "");
75 	i2a_ASN1_OBJECT(bp, a->hashAlgorithm->algorithm);
76 	BIO_printf(bp, "\n%*sIssuer Name Hash: ", indent, "");
77 	i2a_ASN1_STRING(bp, a->issuerNameHash, V_ASN1_OCTET_STRING);
78 	BIO_printf(bp, "\n%*sIssuer Key Hash: ", indent, "");
79 	i2a_ASN1_STRING(bp, a->issuerKeyHash, V_ASN1_OCTET_STRING);
80 	BIO_printf(bp, "\n%*sSerial Number: ", indent, "");
81 	i2a_ASN1_INTEGER(bp, a->serialNumber);
82 	BIO_printf(bp, "\n");
83 	return 1;
84 }
85 
86 typedef struct {
87 	long t;
88 	const char *m;
89 } OCSP_TBLSTR;
90 
91 static const char *
92 table2string(long s, const OCSP_TBLSTR *ts, int len)
93 {
94 	const OCSP_TBLSTR *p;
95 
96 	for (p = ts; p < ts + len; p++)
97 		if (p->t == s)
98 			return p->m;
99 	return "(UNKNOWN)";
100 }
101 
102 const char *
103 OCSP_response_status_str(long s)
104 {
105 	static const OCSP_TBLSTR rstat_tbl[] = {
106 		{ OCSP_RESPONSE_STATUS_SUCCESSFUL, "successful" },
107 		{ OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, "malformedrequest" },
108 		{ OCSP_RESPONSE_STATUS_INTERNALERROR, "internalerror" },
109 		{ OCSP_RESPONSE_STATUS_TRYLATER, "trylater" },
110 		{ OCSP_RESPONSE_STATUS_SIGREQUIRED, "sigrequired" },
111 		{ OCSP_RESPONSE_STATUS_UNAUTHORIZED, "unauthorized" }
112 	};
113 	return table2string(s, rstat_tbl, 6);
114 }
115 
116 const char *
117 OCSP_cert_status_str(long s)
118 {
119 	static const OCSP_TBLSTR cstat_tbl[] = {
120 		{ V_OCSP_CERTSTATUS_GOOD, "good" },
121 		{ V_OCSP_CERTSTATUS_REVOKED, "revoked" },
122 		{ V_OCSP_CERTSTATUS_UNKNOWN, "unknown" }
123 	};
124 	return table2string(s, cstat_tbl, 3);
125 }
126 
127 const char *
128 OCSP_crl_reason_str(long s)
129 {
130 	static const OCSP_TBLSTR reason_tbl[] = {
131 		{ OCSP_REVOKED_STATUS_UNSPECIFIED, "unspecified" },
132 		{ OCSP_REVOKED_STATUS_KEYCOMPROMISE, "keyCompromise" },
133 		{ OCSP_REVOKED_STATUS_CACOMPROMISE, "cACompromise" },
134 		{ OCSP_REVOKED_STATUS_AFFILIATIONCHANGED, "affiliationChanged" },
135 		{ OCSP_REVOKED_STATUS_SUPERSEDED, "superseded" },
136 		{ OCSP_REVOKED_STATUS_CESSATIONOFOPERATION, "cessationOfOperation" },
137 		{ OCSP_REVOKED_STATUS_CERTIFICATEHOLD, "certificateHold" },
138 		{ OCSP_REVOKED_STATUS_REMOVEFROMCRL, "removeFromCRL" }
139 	};
140 	return table2string(s, reason_tbl, 8);
141 }
142 
143 int
144 OCSP_REQUEST_print(BIO *bp, OCSP_REQUEST* o, unsigned long flags)
145 {
146 	int i;
147 	long l;
148 	OCSP_CERTID* cid = NULL;
149 	OCSP_ONEREQ *one = NULL;
150 	OCSP_REQINFO *inf = o->tbsRequest;
151 	OCSP_SIGNATURE *sig = o->optionalSignature;
152 
153 	if (BIO_write(bp, "OCSP Request Data:\n", 19) <= 0)
154 		goto err;
155 	l = ASN1_INTEGER_get(inf->version);
156 	if (BIO_printf(bp, "    Version: %lu (0x%lx)", l+1, l) <= 0)
157 		goto err;
158 	if (inf->requestorName != NULL) {
159 		if (BIO_write(bp, "\n    Requestor Name: ", 21) <= 0)
160 			goto err;
161 		GENERAL_NAME_print(bp, inf->requestorName);
162 	}
163 	if (BIO_write(bp, "\n    Requestor List:\n", 21) <= 0)
164 		goto err;
165 	for (i = 0; i < sk_OCSP_ONEREQ_num(inf->requestList); i++) {
166 		one = sk_OCSP_ONEREQ_value(inf->requestList, i);
167 		cid = one->reqCert;
168 		ocsp_certid_print(bp, cid, 8);
169 		if (!X509V3_extensions_print(bp, "Request Single Extensions",
170 		    one->singleRequestExtensions, flags, 8))
171 			goto err;
172 	}
173 	if (!X509V3_extensions_print(bp, "Request Extensions",
174 	    inf->requestExtensions, flags, 4))
175 		goto err;
176 	if (sig) {
177 		X509_signature_print(bp, sig->signatureAlgorithm,
178 		    sig->signature);
179 		for (i = 0; i < sk_X509_num(sig->certs); i++) {
180 			X509_print(bp, sk_X509_value(sig->certs, i));
181 			PEM_write_bio_X509(bp, sk_X509_value(sig->certs, i));
182 		}
183 	}
184 	return 1;
185 
186 err:
187 	return 0;
188 }
189 
190 int
191 OCSP_RESPONSE_print(BIO *bp, OCSP_RESPONSE* o, unsigned long flags)
192 {
193 	int i, ret = 0;
194 	long l;
195 	OCSP_CERTID *cid = NULL;
196 	OCSP_BASICRESP *br = NULL;
197 	OCSP_RESPID *rid = NULL;
198 	OCSP_RESPDATA  *rd = NULL;
199 	OCSP_CERTSTATUS *cst = NULL;
200 	OCSP_REVOKEDINFO *rev = NULL;
201 	OCSP_SINGLERESP *single = NULL;
202 	OCSP_RESPBYTES *rb = o->responseBytes;
203 
204 	if (BIO_puts(bp, "OCSP Response Data:\n") <= 0)
205 		goto err;
206 	l = ASN1_ENUMERATED_get(o->responseStatus);
207 	if (BIO_printf(bp, "    OCSP Response Status: %s (0x%lx)\n",
208 	    OCSP_response_status_str(l), l) <= 0)
209 		goto err;
210 	if (rb == NULL)
211 		return 1;
212 	if (BIO_puts(bp, "    Response Type: ") <= 0)
213 		goto err;
214 	if (i2a_ASN1_OBJECT(bp, rb->responseType) <= 0)
215 		goto err;
216 	if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
217 		BIO_puts(bp, " (unknown response type)\n");
218 		return 1;
219 	}
220 
221 	i = ASN1_STRING_length(rb->response);
222 	if (!(br = OCSP_response_get1_basic(o)))
223 		goto err;
224 	rd = br->tbsResponseData;
225 	l = ASN1_INTEGER_get(rd->version);
226 	if (BIO_printf(bp, "\n    Version: %lu (0x%lx)\n", l+1, l) <= 0)
227 		goto err;
228 	if (BIO_puts(bp, "    Responder Id: ") <= 0)
229 		goto err;
230 
231 	rid = rd->responderId;
232 	switch (rid->type) {
233 	case V_OCSP_RESPID_NAME:
234 		X509_NAME_print_ex(bp, rid->value.byName, 0, XN_FLAG_ONELINE);
235 		break;
236 	case V_OCSP_RESPID_KEY:
237 		i2a_ASN1_STRING(bp, rid->value.byKey, V_ASN1_OCTET_STRING);
238 		break;
239 	}
240 
241 	if (BIO_printf(bp, "\n    Produced At: ")<=0)
242 		goto err;
243 	if (!ASN1_GENERALIZEDTIME_print(bp, rd->producedAt))
244 		goto err;
245 	if (BIO_printf(bp, "\n    Responses:\n") <= 0)
246 		goto err;
247 	for (i = 0; i < sk_OCSP_SINGLERESP_num(rd->responses); i++) {
248 		if (! sk_OCSP_SINGLERESP_value(rd->responses, i))
249 			continue;
250 		single = sk_OCSP_SINGLERESP_value(rd->responses, i);
251 		cid = single->certId;
252 		if (ocsp_certid_print(bp, cid, 4) <= 0)
253 			goto err;
254 		cst = single->certStatus;
255 		if (BIO_printf(bp, "    Cert Status: %s",
256 		    OCSP_cert_status_str(cst->type)) <= 0)
257 			goto err;
258 		if (cst->type == V_OCSP_CERTSTATUS_REVOKED) {
259 			rev = cst->value.revoked;
260 			if (BIO_printf(bp, "\n    Revocation Time: ") <= 0)
261 				goto err;
262 			if (!ASN1_GENERALIZEDTIME_print(bp,
263 			    rev->revocationTime))
264 				goto err;
265 			if (rev->revocationReason) {
266 				l = ASN1_ENUMERATED_get(rev->revocationReason);
267 				if (BIO_printf(bp,
268 				    "\n    Revocation Reason: %s (0x%lx)",
269 				    OCSP_crl_reason_str(l), l) <= 0)
270 					goto err;
271 			}
272 		}
273 		if (BIO_printf(bp, "\n    This Update: ") <= 0)
274 			goto err;
275 		if (!ASN1_GENERALIZEDTIME_print(bp, single->thisUpdate))
276 			goto err;
277 		if (single->nextUpdate) {
278 			if (BIO_printf(bp, "\n    Next Update: ") <= 0)
279 				goto err;
280 			if (!ASN1_GENERALIZEDTIME_print(bp, single->nextUpdate))
281 				goto err;
282 		}
283 		if (BIO_write(bp, "\n", 1) <= 0)
284 			goto err;
285 		if (!X509V3_extensions_print(bp, "Response Single Extensions",
286 		    single->singleExtensions, flags, 8))
287 			goto err;
288 		if (BIO_write(bp, "\n", 1) <= 0)
289 			goto err;
290 	}
291 	if (!X509V3_extensions_print(bp, "Response Extensions",
292 	    rd->responseExtensions, flags, 4))
293 		goto err;
294 	if (X509_signature_print(bp, br->signatureAlgorithm, br->signature) <=
295 	    0)
296 		goto err;
297 
298 	for (i = 0; i < sk_X509_num(br->certs); i++) {
299 		X509_print(bp, sk_X509_value(br->certs, i));
300 		PEM_write_bio_X509(bp, sk_X509_value(br->certs, i));
301 	}
302 
303 	ret = 1;
304 
305 err:
306 	OCSP_BASICRESP_free(br);
307 	return ret;
308 }
309