[thirdparty/openssl.git] / crypto / ocsp / ocsp_srv.c

/* ocsp_srv.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 2001.
 */
/* ====================================================================
 * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include <cryptlib.h>
#include <openssl/objects.h>
#include <openssl/rand.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
#include <openssl/ocsp.h>

/* Utility functions related to sending OCSP responses and extracting
 * relevant information from the request.
 */

int OCSP_request_onereq_count(OCSP_REQUEST *req)
	{
	return sk_OCSP_ONEREQ_num(req->tbsRequest->requestList);
	}

OCSP_ONEREQ *OCSP_request_onereq_get0(OCSP_REQUEST *req, int i)
	{
	return sk_OCSP_ONEREQ_value(req->tbsRequest->requestList, i);
	}

OCSP_CERTID *OCSP_onereq_get0_id(OCSP_ONEREQ *one)
	{
	return one->reqCert;
	}

int OCSP_id_get0_info(ASN1_OCTET_STRING **piNameHash, ASN1_OBJECT **pmd,
			ASN1_OCTET_STRING **pikeyHash,
			ASN1_INTEGER **pserial, OCSP_CERTID *cid)
	{
	if (!cid) return 0;
	if (pmd) *pmd = cid->hashAlgorithm->algorithm;
	if(piNameHash) *piNameHash = cid->issuerNameHash;
	if (pikeyHash) *pikeyHash = cid->issuerKeyHash;
	if (pserial) *pserial = cid->serialNumber;
	return 1;
	}

/* Create an OCSP response and encode an optional basic response */
OCSP_RESPONSE *OCSP_response_create(int status, OCSP_BASICRESP *bs)
        {
        OCSP_RESPONSE *rsp = NULL;

	if (!(rsp = OCSP_RESPONSE_new())) goto err;
	if (!(ASN1_ENUMERATED_set(rsp->responseStatus, status))) goto err;
	if (!bs) return rsp;
	if (!(rsp->responseBytes = OCSP_RESPBYTES_new())) goto err;
	rsp->responseBytes->responseType = OBJ_nid2obj(NID_id_pkix_OCSP_basic);
	if (!ASN1_item_pack(bs, ASN1_ITEM_rptr(OCSP_BASICRESP), &rsp->responseBytes->response))
				goto err;
	return rsp;
err:
	if (rsp) OCSP_RESPONSE_free(rsp);
	return NULL;
	}


OCSP_SINGLERESP *OCSP_basic_add1_status(OCSP_BASICRESP *rsp,
						OCSP_CERTID *cid,
						int status, int reason,
						ASN1_TIME *revtime,
					ASN1_TIME *thisupd, ASN1_TIME *nextupd)
	{
	OCSP_SINGLERESP *single = NULL;
	OCSP_CERTSTATUS *cs;
	OCSP_REVOKEDINFO *ri;

	if(!rsp->tbsResponseData->responses &&
	    !(rsp->tbsResponseData->responses = sk_OCSP_SINGLERESP_new_null()))
		goto err;

	if (!(single = OCSP_SINGLERESP_new()))
		goto err;


	if (!ASN1_TIME_to_generalizedtime(thisupd, &single->thisUpdate))
		goto err;
	if (nextupd &&
		!ASN1_TIME_to_generalizedtime(nextupd, &single->nextUpdate))
		goto err;

	OCSP_CERTID_free(single->certId);

	if(!(single->certId = OCSP_CERTID_dup(cid)))
		goto err;

	cs = single->certStatus;
	switch(cs->type = status)
		{
	case V_OCSP_CERTSTATUS_REVOKED:
		if (!revtime)
		        {
		        OCSPerr(OCSP_F_OCSP_BASIC_ADD1_STATUS,OCSP_R_NO_REVOKED_TIME);
			goto err;
		        }
		if (!(cs->value.revoked = ri = OCSP_REVOKEDINFO_new())) goto err;
		if (!ASN1_TIME_to_generalizedtime(revtime, &ri->revocationTime))
			goto err;	
		if (reason != OCSP_REVOKED_STATUS_NOSTATUS)
		        {
			if (!(ri->revocationReason = ASN1_ENUMERATED_new())) 
			        goto err;
			if (!(ASN1_ENUMERATED_set(ri->revocationReason, 
						  reason)))
			        goto err;	
			}
		break;

	case V_OCSP_CERTSTATUS_GOOD:
		cs->value.good = ASN1_NULL_new();
		break;

	case V_OCSP_CERTSTATUS_UNKNOWN:
		cs->value.unknown = ASN1_NULL_new();
		break;

	default:
		goto err;

		}
	if (!(sk_OCSP_SINGLERESP_push(rsp->tbsResponseData->responses, single)))
		goto err;
	return single;
err:
	OCSP_SINGLERESP_free(single);
	return NULL;
	}

/* Add a certificate to an OCSP request */

int OCSP_basic_add1_cert(OCSP_BASICRESP *resp, X509 *cert)
	{
	if (!resp->certs && !(resp->certs = sk_X509_new_null()))
		return 0;

	if(!sk_X509_push(resp->certs, cert)) return 0;
	CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
	return 1;
	}

int OCSP_basic_sign(OCSP_BASICRESP *brsp, 
			X509 *signer, EVP_PKEY *key, const EVP_MD *dgst,
			STACK_OF(X509) *certs, unsigned long flags)
        {
	int i;
	OCSP_RESPID *rid;

	if (!X509_check_private_key(signer, key))
		{
		OCSPerr(OCSP_F_OCSP_BASIC_SIGN, OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
		goto err;
		}

	if(!(flags & OCSP_NOCERTS))
		{
		if(!OCSP_basic_add1_cert(brsp, signer))
			goto err;
		for (i = 0; i < sk_X509_num(certs); i++)
			{
			X509 *tmpcert = sk_X509_value(certs, i);
			if(!OCSP_basic_add1_cert(brsp, tmpcert))
				goto err;
			}
		}

	rid = brsp->tbsResponseData->responderId;
	if (flags & OCSP_RESPID_KEY)
		{
		unsigned char md[SHA_DIGEST_LENGTH];
		X509_pubkey_digest(signer, EVP_sha1(), md, NULL);
		if (!(rid->value.byKey = ASN1_OCTET_STRING_new()))
			goto err;
		if (!(ASN1_OCTET_STRING_set(rid->value.byKey, md, SHA_DIGEST_LENGTH)))
				goto err;
		rid->type = V_OCSP_RESPID_KEY;
		}
	else
		{
		if (!X509_NAME_set(&rid->value.byName,
					X509_get_subject_name(signer)))
				goto err;
		rid->type = V_OCSP_RESPID_NAME;
		}

	if (!(flags & OCSP_NOTIME) &&
		!X509_gmtime_adj(brsp->tbsResponseData->producedAt, 0))
		goto err;

	/* Right now, I think that not doing double hashing is the right
	   thing.	-- Richard Levitte */

	if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0)) goto err;

	return 1;
err:
	return 0;
	}
Commit	Line	Data
02e4fbed DSH	1	/* ocsp_srv.c */
	2	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	3	* project 2001.
	4	*/
	5	/* ====================================================================
	6	* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	*
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	*
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in
	17	* the documentation and/or other materials provided with the
	18	* distribution.
	19	*
	20	* 3. All advertising materials mentioning features or use of this
	21	* software must display the following acknowledgment:
	22	* "This product includes software developed by the OpenSSL Project
	23	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
	24	*
	25	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	26	* endorse or promote products derived from this software without
	27	* prior written permission. For written permission, please contact
	28	* openssl-core@openssl.org.
	29	*
	30	* 5. Products derived from this software may not be called "OpenSSL"
	31	* nor may "OpenSSL" appear in their names without prior written
	32	* permission of the OpenSSL Project.
	33	*
	34	* 6. Redistributions of any form whatsoever must retain the following
	35	* acknowledgment:
	36	* "This product includes software developed by the OpenSSL Project
	37	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
	38	*
	39	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	40	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	41	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	42	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	43	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	44	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	45	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	46	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	48	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	49	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	50	* OF THE POSSIBILITY OF SUCH DAMAGE.
	51	* ====================================================================
	52	*
	53	* This product includes cryptographic software written by Eric Young
	54	* (eay@cryptsoft.com). This product includes software written by Tim
	55	* Hudson (tjh@cryptsoft.com).
	56	*
	57	*/
	58
	59	#include <stdio.h>
	60	#include <cryptlib.h>
	61	#include <openssl/objects.h>
	62	#include <openssl/rand.h>
	63	#include <openssl/x509.h>
	64	#include <openssl/pem.h>
65	#include <openssl/x509v3.h>
66	#include <openssl/ocsp.h>
67
68	/* Utility functions related to sending OCSP responses and extracting
69	* relevant information from the request.
70	*/
71
72	int OCSP_request_onereq_count(OCSP_REQUEST *req)
73	{
74	return sk_OCSP_ONEREQ_num(req->tbsRequest->requestList);
75	}
76
77	OCSP_ONEREQ OCSP_request_onereq_get0(OCSP_REQUEST req, int i)
78	{
79	return sk_OCSP_ONEREQ_value(req->tbsRequest->requestList, i);
80	}
81
82	OCSP_CERTID OCSP_onereq_get0_id(OCSP_ONEREQ one)
83	{
84	return one->reqCert;
85	}
86
87	int OCSP_id_get0_info(ASN1_OCTET_STRING piNameHash, ASN1_OBJECT pmd,
88	ASN1_OCTET_STRING **pikeyHash,
89	ASN1_INTEGER *pserial, OCSP_CERTID cid)
90	{
91	if (!cid) return 0;
92	if (pmd) *pmd = cid->hashAlgorithm->algorithm;
93	if(piNameHash) *piNameHash = cid->issuerNameHash;
94	if (pikeyHash) *pikeyHash = cid->issuerKeyHash;
95	if (pserial) *pserial = cid->serialNumber;
96	return 1;
97	}
98
99	/* Create an OCSP response and encode an optional basic response */
100	OCSP_RESPONSE OCSP_response_create(int status, OCSP_BASICRESP bs)
101	{
102	OCSP_RESPONSE *rsp = NULL;
103
104	if (!(rsp = OCSP_RESPONSE_new())) goto err;
105	if (!(ASN1_ENUMERATED_set(rsp->responseStatus, status))) goto err;
106	if (!bs) return rsp;
107	if (!(rsp->responseBytes = OCSP_RESPBYTES_new())) goto err;
108	rsp->responseBytes->responseType = OBJ_nid2obj(NID_id_pkix_OCSP_basic);
bb5ea36b	109	if (!ASN1_item_pack(bs, ASN1_ITEM_rptr(OCSP_BASICRESP), &rsp->responseBytes->response))
02e4fbed DSH	110	goto err;
	111	return rsp;
	112	err:
	113	if (rsp) OCSP_RESPONSE_free(rsp);
	114	return NULL;
	115	}
	116
	117
	118	OCSP_SINGLERESP OCSP_basic_add1_status(OCSP_BASICRESP rsp,
	119	OCSP_CERTID *cid,
	120	int status, int reason,
	121	ASN1_TIME *revtime,
	122	ASN1_TIME thisupd, ASN1_TIME nextupd)
	123	{
	124	OCSP_SINGLERESP *single = NULL;
	125	OCSP_CERTSTATUS *cs;
	126	OCSP_REVOKEDINFO *ri;
	127
	128	if(!rsp->tbsResponseData->responses &&
	129	!(rsp->tbsResponseData->responses = sk_OCSP_SINGLERESP_new_null()))
	130	goto err;
	131
	132	if (!(single = OCSP_SINGLERESP_new()))
	133	goto err;
	134
	135
	136
	137	if (!ASN1_TIME_to_generalizedtime(thisupd, &single->thisUpdate))
	138	goto err;
	139	if (nextupd &&
	140	!ASN1_TIME_to_generalizedtime(nextupd, &single->nextUpdate))
	141	goto err;
	142
	143	OCSP_CERTID_free(single->certId);
	144
	145	if(!(single->certId = OCSP_CERTID_dup(cid)))
	146	goto err;
	147
	148	cs = single->certStatus;
	149	switch(cs->type = status)
	150	{
	151	case V_OCSP_CERTSTATUS_REVOKED:
	152	if (!revtime)
	153	{
	154	OCSPerr(OCSP_F_OCSP_BASIC_ADD1_STATUS,OCSP_R_NO_REVOKED_TIME);
	155	goto err;
	156	}
	157	if (!(cs->value.revoked = ri = OCSP_REVOKEDINFO_new())) goto err;
	158	if (!ASN1_TIME_to_generalizedtime(revtime, &ri->revocationTime))
	159	goto err;
	160	if (reason != OCSP_REVOKED_STATUS_NOSTATUS)
	161	{
	162	if (!(ri->revocationReason = ASN1_ENUMERATED_new()))
	163	goto err;
	164	if (!(ASN1_ENUMERATED_set(ri->revocationReason,
	165	reason)))
	166	goto err;
	167	}
	168	break;
	169
	170	case V_OCSP_CERTSTATUS_GOOD:
	171	cs->value.good = ASN1_NULL_new();
	172	break;
	173
174	case V_OCSP_CERTSTATUS_UNKNOWN:
175	cs->value.unknown = ASN1_NULL_new();
176	break;
177
178	default:
179	goto err;
180
181	}
182	if (!(sk_OCSP_SINGLERESP_push(rsp->tbsResponseData->responses, single)))
183	goto err;
184	return single;
185	err:
186	OCSP_SINGLERESP_free(single);
187	return NULL;
188	}
189
190	/* Add a certificate to an OCSP request */
191
192	int OCSP_basic_add1_cert(OCSP_BASICRESP resp, X509 cert)
193	{
194	if (!resp->certs && !(resp->certs = sk_X509_new_null()))
195	return 0;
196
197	if(!sk_X509_push(resp->certs, cert)) return 0;
198	CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
199	return 1;
200	}
201
202	int OCSP_basic_sign(OCSP_BASICRESP *brsp,
203	X509 signer, EVP_PKEY key, const EVP_MD *dgst,
204	STACK_OF(X509) *certs, unsigned long flags)
205	{
206	int i;
207	OCSP_RESPID *rid;
208
2b916952 DSH	209	if (!X509_check_private_key(signer, key))
	210	{
	211	OCSPerr(OCSP_F_OCSP_BASIC_SIGN, OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
02e4fbed	212	goto err;
2b916952	213	}
02e4fbed	214
2b916952	215	if(!(flags & OCSP_NOCERTS))
02e4fbed	216	{
2b916952 DSH	217	if(!OCSP_basic_add1_cert(brsp, signer))
	218	goto err;
	219	for (i = 0; i < sk_X509_num(certs); i++)
	220	{
	221	X509 *tmpcert = sk_X509_value(certs, i);
	222	if(!OCSP_basic_add1_cert(brsp, tmpcert))
02e4fbed	223	goto err;
2b916952	224	}
02e4fbed DSH	225	}
	226
	227	rid = brsp->tbsResponseData->responderId;
	228	if (flags & OCSP_RESPID_KEY)
	229	{
	230	unsigned char md[SHA_DIGEST_LENGTH];
	231	X509_pubkey_digest(signer, EVP_sha1(), md, NULL);
	232	if (!(rid->value.byKey = ASN1_OCTET_STRING_new()))
	233	goto err;
	234	if (!(ASN1_OCTET_STRING_set(rid->value.byKey, md, SHA_DIGEST_LENGTH)))
	235	goto err;
	236	rid->type = V_OCSP_RESPID_KEY;
	237	}
	238	else
	239	{
	240	if (!X509_NAME_set(&rid->value.byName,
	241	X509_get_subject_name(signer)))
	242	goto err;
	243	rid->type = V_OCSP_RESPID_NAME;
	244	}
	245
	246	if (!(flags & OCSP_NOTIME) &&
	247	!X509_gmtime_adj(brsp->tbsResponseData->producedAt, 0))
	248	goto err;
	249
	250	/* Right now, I think that not doing double hashing is the right
	251	thing. -- Richard Levitte */
	252
	253	if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0)) goto err;
	254
	255	return 1;
	256	err:
	257	return 0;
	258	}