1/* $OpenBSD: ocsp_prn.c,v 1.10 2023/07/08 10:44:00 beck 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
71static int
72ocsp_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
88typedef struct {
89	long t;
90	const char *m;
91} OCSP_TBLSTR;
92
93static const char *
94table2string(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
104const char *
105OCSP_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}
117LCRYPTO_ALIAS(OCSP_response_status_str);
118
119const char *
120OCSP_cert_status_str(long s)
121{
122	static const OCSP_TBLSTR cstat_tbl[] = {
123		{ V_OCSP_CERTSTATUS_GOOD, "good" },
124		{ V_OCSP_CERTSTATUS_REVOKED, "revoked" },
125		{ V_OCSP_CERTSTATUS_UNKNOWN, "unknown" }
126	};
127	return table2string(s, cstat_tbl, 3);
128}
129LCRYPTO_ALIAS(OCSP_cert_status_str);
130
131const char *
132OCSP_crl_reason_str(long s)
133{
134	static const OCSP_TBLSTR reason_tbl[] = {
135		{ OCSP_REVOKED_STATUS_UNSPECIFIED, "unspecified" },
136		{ OCSP_REVOKED_STATUS_KEYCOMPROMISE, "keyCompromise" },
137		{ OCSP_REVOKED_STATUS_CACOMPROMISE, "cACompromise" },
138		{ OCSP_REVOKED_STATUS_AFFILIATIONCHANGED, "affiliationChanged" },
139		{ OCSP_REVOKED_STATUS_SUPERSEDED, "superseded" },
140		{ OCSP_REVOKED_STATUS_CESSATIONOFOPERATION, "cessationOfOperation" },
141		{ OCSP_REVOKED_STATUS_CERTIFICATEHOLD, "certificateHold" },
142		{ OCSP_REVOKED_STATUS_REMOVEFROMCRL, "removeFromCRL" }
143	};
144	return table2string(s, reason_tbl, 8);
145}
146LCRYPTO_ALIAS(OCSP_crl_reason_str);
147
148int
149OCSP_REQUEST_print(BIO *bp, OCSP_REQUEST* o, unsigned long flags)
150{
151	int i;
152	long l;
153	OCSP_CERTID* cid = NULL;
154	OCSP_ONEREQ *one = NULL;
155	OCSP_REQINFO *inf = o->tbsRequest;
156	OCSP_SIGNATURE *sig = o->optionalSignature;
157
158	if (BIO_write(bp, "OCSP Request Data:\n", 19) <= 0)
159		goto err;
160	l = ASN1_INTEGER_get(inf->version);
161	if (BIO_printf(bp, "    Version: %lu (0x%lx)", l+1, l) <= 0)
162		goto err;
163	if (inf->requestorName != NULL) {
164		if (BIO_write(bp, "\n    Requestor Name: ", 21) <= 0)
165			goto err;
166		GENERAL_NAME_print(bp, inf->requestorName);
167	}
168	if (BIO_write(bp, "\n    Requestor List:\n", 21) <= 0)
169		goto err;
170	for (i = 0; i < sk_OCSP_ONEREQ_num(inf->requestList); i++) {
171		one = sk_OCSP_ONEREQ_value(inf->requestList, i);
172		cid = one->reqCert;
173		ocsp_certid_print(bp, cid, 8);
174		if (!X509V3_extensions_print(bp, "Request Single Extensions",
175		    one->singleRequestExtensions, flags, 8))
176			goto err;
177	}
178	if (!X509V3_extensions_print(bp, "Request Extensions",
179	    inf->requestExtensions, flags, 4))
180		goto err;
181	if (sig) {
182		if (X509_signature_print(bp, sig->signatureAlgorithm,
183		    sig->signature) == 0)
184			goto err;
185		for (i = 0; i < sk_X509_num(sig->certs); i++) {
186			if (X509_print(bp, sk_X509_value(sig->certs, i)) == 0)
187				goto err;
188			if (PEM_write_bio_X509(bp,
189			    sk_X509_value(sig->certs, i)) == 0)
190				goto err;
191		}
192	}
193	return 1;
194
195err:
196	return 0;
197}
198LCRYPTO_ALIAS(OCSP_REQUEST_print);
199
200int
201OCSP_RESPONSE_print(BIO *bp, OCSP_RESPONSE* o, unsigned long flags)
202{
203	int i, ret = 0;
204	long l;
205	OCSP_CERTID *cid = NULL;
206	OCSP_BASICRESP *br = NULL;
207	OCSP_RESPID *rid = NULL;
208	OCSP_RESPDATA  *rd = NULL;
209	OCSP_CERTSTATUS *cst = NULL;
210	OCSP_REVOKEDINFO *rev = NULL;
211	OCSP_SINGLERESP *single = NULL;
212	OCSP_RESPBYTES *rb = o->responseBytes;
213
214	if (BIO_puts(bp, "OCSP Response Data:\n") <= 0)
215		goto err;
216	l = ASN1_ENUMERATED_get(o->responseStatus);
217	if (BIO_printf(bp, "    OCSP Response Status: %s (0x%lx)\n",
218	    OCSP_response_status_str(l), l) <= 0)
219		goto err;
220	if (rb == NULL)
221		return 1;
222	if (BIO_puts(bp, "    Response Type: ") <= 0)
223		goto err;
224	if (i2a_ASN1_OBJECT(bp, rb->responseType) <= 0)
225		goto err;
226	if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
227		BIO_puts(bp, " (unknown response type)\n");
228		return 1;
229	}
230
231	i = ASN1_STRING_length(rb->response);
232	if (!(br = OCSP_response_get1_basic(o)))
233		goto err;
234	rd = br->tbsResponseData;
235	l = ASN1_INTEGER_get(rd->version);
236	if (BIO_printf(bp, "\n    Version: %lu (0x%lx)\n", l+1, l) <= 0)
237		goto err;
238	if (BIO_puts(bp, "    Responder Id: ") <= 0)
239		goto err;
240
241	rid = rd->responderId;
242	switch (rid->type) {
243	case V_OCSP_RESPID_NAME:
244		X509_NAME_print_ex(bp, rid->value.byName, 0, XN_FLAG_ONELINE);
245		break;
246	case V_OCSP_RESPID_KEY:
247		i2a_ASN1_STRING(bp, rid->value.byKey, V_ASN1_OCTET_STRING);
248		break;
249	}
250
251	if (BIO_printf(bp, "\n    Produced At: ")<=0)
252		goto err;
253	if (!ASN1_GENERALIZEDTIME_print(bp, rd->producedAt))
254		goto err;
255	if (BIO_printf(bp, "\n    Responses:\n") <= 0)
256		goto err;
257	for (i = 0; i < sk_OCSP_SINGLERESP_num(rd->responses); i++) {
258		if (! sk_OCSP_SINGLERESP_value(rd->responses, i))
259			continue;
260		single = sk_OCSP_SINGLERESP_value(rd->responses, i);
261		cid = single->certId;
262		if (ocsp_certid_print(bp, cid, 4) <= 0)
263			goto err;
264		cst = single->certStatus;
265		if (BIO_printf(bp, "    Cert Status: %s",
266		    OCSP_cert_status_str(cst->type)) <= 0)
267			goto err;
268		if (cst->type == V_OCSP_CERTSTATUS_REVOKED) {
269			rev = cst->value.revoked;
270			if (BIO_printf(bp, "\n    Revocation Time: ") <= 0)
271				goto err;
272			if (!ASN1_GENERALIZEDTIME_print(bp,
273			    rev->revocationTime))
274				goto err;
275			if (rev->revocationReason) {
276				l = ASN1_ENUMERATED_get(rev->revocationReason);
277				if (BIO_printf(bp,
278				    "\n    Revocation Reason: %s (0x%lx)",
279				    OCSP_crl_reason_str(l), l) <= 0)
280					goto err;
281			}
282		}
283		if (BIO_printf(bp, "\n    This Update: ") <= 0)
284			goto err;
285		if (!ASN1_GENERALIZEDTIME_print(bp, single->thisUpdate))
286			goto err;
287		if (single->nextUpdate) {
288			if (BIO_printf(bp, "\n    Next Update: ") <= 0)
289				goto err;
290			if (!ASN1_GENERALIZEDTIME_print(bp, single->nextUpdate))
291				goto err;
292		}
293		if (BIO_write(bp, "\n", 1) <= 0)
294			goto err;
295		if (!X509V3_extensions_print(bp, "Response Single Extensions",
296		    single->singleExtensions, flags, 8))
297			goto err;
298		if (BIO_write(bp, "\n", 1) <= 0)
299			goto err;
300	}
301	if (!X509V3_extensions_print(bp, "Response Extensions",
302	    rd->responseExtensions, flags, 4))
303		goto err;
304	if (X509_signature_print(bp, br->signatureAlgorithm, br->signature) <=
305	    0)
306		goto err;
307
308	for (i = 0; i < sk_X509_num(br->certs); i++) {
309		X509_print(bp, sk_X509_value(br->certs, i));
310		PEM_write_bio_X509(bp, sk_X509_value(br->certs, i));
311	}
312
313	ret = 1;
314
315err:
316	OCSP_BASICRESP_free(br);
317	return ret;
318}
319LCRYPTO_ALIAS(OCSP_RESPONSE_print);
320