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

/* ocsp_srv.c */
/*
 * Written by Dr Stephen N Henson (steve@openssl.org) 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;
}

int OCSP_request_is_signed(OCSP_REQUEST *req)
{
    if (req->optionalSignature)
        return 1;
    return 0;
}

/* 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	1	/* ocsp_srv.c */
40720ce3 MC	2	/*
	3	* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
	4	* 2001.
02e4fbed DSH	5	*/
	6	/* ====================================================================
	7	* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
	8	*
	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions
	11	* are met:
	12	*
	13	* 1. Redistributions of source code must retain the above copyright
40720ce3	14	* notice, this list of conditions and the following disclaimer.
02e4fbed DSH	15	*
	16	* 2. Redistributions in binary form must reproduce the above copyright
	17	* notice, this list of conditions and the following disclaimer in
	18	* the documentation and/or other materials provided with the
	19	* distribution.
	20	*
	21	* 3. All advertising materials mentioning features or use of this
	22	* software must display the following acknowledgment:
	23	* "This product includes software developed by the OpenSSL Project
	24	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
	25	*
	26	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	27	* endorse or promote products derived from this software without
	28	* prior written permission. For written permission, please contact
	29	* openssl-core@openssl.org.
	30	*
	31	* 5. Products derived from this software may not be called "OpenSSL"
	32	* nor may "OpenSSL" appear in their names without prior written
	33	* permission of the OpenSSL Project.
	34	*
	35	* 6. Redistributions of any form whatsoever must retain the following
	36	* acknowledgment:
	37	* "This product includes software developed by the OpenSSL Project
	38	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	41	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	42	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	43	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	44	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	45	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	46	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	47	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	49	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	50	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	51	* OF THE POSSIBILITY OF SUCH DAMAGE.
	52	* ====================================================================
	53	*
	54	* This product includes cryptographic software written by Eric Young
	55	* (eay@cryptsoft.com). This product includes software written by Tim
	56	* Hudson (tjh@cryptsoft.com).
	57	*
	58	*/
	59
	60	#include <stdio.h>
	61	#include <cryptlib.h>
	62	#include <openssl/objects.h>
	63	#include <openssl/rand.h>
	64	#include <openssl/x509.h>
	65	#include <openssl/pem.h>
	66	#include <openssl/x509v3.h>
	67	#include <openssl/ocsp.h>
	68
40720ce3 MC	69	/*
40720ce3 MC	70	* Utility functions related to sending OCSP responses and extracting
02e4fbed DSH	71	* relevant information from the request.
	72	*/
	73
	74	int OCSP_request_onereq_count(OCSP_REQUEST *req)
40720ce3 MC	75	{
	76	return sk_OCSP_ONEREQ_num(req->tbsRequest->requestList);
	77	}
02e4fbed DSH	78
02e4fbed DSH	79	OCSP_ONEREQ OCSP_request_onereq_get0(OCSP_REQUEST req, int i)
40720ce3 MC	80	{
	81	return sk_OCSP_ONEREQ_value(req->tbsRequest->requestList, i);
	82	}
02e4fbed DSH	83
02e4fbed DSH	84	OCSP_CERTID OCSP_onereq_get0_id(OCSP_ONEREQ one)
40720ce3 MC	85	{
	86	return one->reqCert;
	87	}
02e4fbed DSH	88
02e4fbed DSH	89	int OCSP_id_get0_info(ASN1_OCTET_STRING piNameHash, ASN1_OBJECT pmd,
40720ce3 MC	90	ASN1_OCTET_STRING **pikeyHash,
	91	ASN1_INTEGER *pserial, OCSP_CERTID cid)
	92	{
	93	if (!cid)
	94	return 0;
	95	if (pmd)
	96	*pmd = cid->hashAlgorithm->algorithm;
	97	if (piNameHash)
	98	*piNameHash = cid->issuerNameHash;
	99	if (pikeyHash)
	100	*pikeyHash = cid->issuerKeyHash;
	101	if (pserial)
	102	*pserial = cid->serialNumber;
	103	return 1;
	104	}
02e4fbed	105
fafc7f98	106	int OCSP_request_is_signed(OCSP_REQUEST *req)
40720ce3 MC	107	{
	108	if (req->optionalSignature)
	109	return 1;
	110	return 0;
	111	}
fafc7f98	112
02e4fbed DSH	113	/* Create an OCSP response and encode an optional basic response */
02e4fbed DSH	114	OCSP_RESPONSE OCSP_response_create(int status, OCSP_BASICRESP bs)
40720ce3 MC	115	{
	116	OCSP_RESPONSE *rsp = NULL;
	117
	118	if (!(rsp = OCSP_RESPONSE_new()))
	119	goto err;
	120	if (!(ASN1_ENUMERATED_set(rsp->responseStatus, status)))
	121	goto err;
	122	if (!bs)
	123	return rsp;
	124	if (!(rsp->responseBytes = OCSP_RESPBYTES_new()))
	125	goto err;
	126	rsp->responseBytes->responseType = OBJ_nid2obj(NID_id_pkix_OCSP_basic);
	127	if (!ASN1_item_pack
	128	(bs, ASN1_ITEM_rptr(OCSP_BASICRESP), &rsp->responseBytes->response))
	129	goto err;
	130	return rsp;
	131	err:
	132	if (rsp)
	133	OCSP_RESPONSE_free(rsp);
	134	return NULL;
	135	}
02e4fbed DSH	136
02e4fbed DSH	137	OCSP_SINGLERESP OCSP_basic_add1_status(OCSP_BASICRESP rsp,
40720ce3 MC	138	OCSP_CERTID *cid,
	139	int status, int reason,
	140	ASN1_TIME *revtime,
	141	ASN1_TIME *thisupd,
	142	ASN1_TIME *nextupd)
	143	{
	144	OCSP_SINGLERESP *single = NULL;
	145	OCSP_CERTSTATUS *cs;
	146	OCSP_REVOKEDINFO *ri;
	147
	148	if (!rsp->tbsResponseData->responses &&
	149	!(rsp->tbsResponseData->responses = sk_OCSP_SINGLERESP_new_null()))
	150	goto err;
	151
	152	if (!(single = OCSP_SINGLERESP_new()))
	153	goto err;
	154
	155	if (!ASN1_TIME_to_generalizedtime(thisupd, &single->thisUpdate))
	156	goto err;
	157	if (nextupd &&
	158	!ASN1_TIME_to_generalizedtime(nextupd, &single->nextUpdate))
	159	goto err;
	160
	161	OCSP_CERTID_free(single->certId);
	162
	163	if (!(single->certId = OCSP_CERTID_dup(cid)))
	164	goto err;
	165
	166	cs = single->certStatus;
	167	switch (cs->type = status) {
	168	case V_OCSP_CERTSTATUS_REVOKED:
	169	if (!revtime) {
	170	OCSPerr(OCSP_F_OCSP_BASIC_ADD1_STATUS, OCSP_R_NO_REVOKED_TIME);
	171	goto err;
	172	}
	173	if (!(cs->value.revoked = ri = OCSP_REVOKEDINFO_new()))
	174	goto err;
	175	if (!ASN1_TIME_to_generalizedtime(revtime, &ri->revocationTime))
	176	goto err;
	177	if (reason != OCSP_REVOKED_STATUS_NOSTATUS) {
	178	if (!(ri->revocationReason = ASN1_ENUMERATED_new()))
	179	goto err;
	180	if (!(ASN1_ENUMERATED_set(ri->revocationReason, reason)))
	181	goto err;
	182	}
	183	break;
	184
	185	case V_OCSP_CERTSTATUS_GOOD:
	186	cs->value.good = ASN1_NULL_new();
	187	break;
	188
	189	case V_OCSP_CERTSTATUS_UNKNOWN:
	190	cs->value.unknown = ASN1_NULL_new();
	191	break;
	192
	193	default:
	194	goto err;
	195
	196	}
	197	if (!(sk_OCSP_SINGLERESP_push(rsp->tbsResponseData->responses, single)))
	198	goto err;
	199	return single;
	200	err:
	201	OCSP_SINGLERESP_free(single);
202	return NULL;
203	}
02e4fbed DSH	204
	205	/* Add a certificate to an OCSP request */
	206
	207	int OCSP_basic_add1_cert(OCSP_BASICRESP resp, X509 cert)
40720ce3 MC	208	{
	209	if (!resp->certs && !(resp->certs = sk_X509_new_null()))
	210	return 0;
	211
	212	if (!sk_X509_push(resp->certs, cert))
	213	return 0;
	214	CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
	215	return 1;
	216	}
	217
	218	int OCSP_basic_sign(OCSP_BASICRESP *brsp,
	219	X509 signer, EVP_PKEY key, const EVP_MD *dgst,
	220	STACK_OF(X509) *certs, unsigned long flags)
	221	{
	222	int i;
	223	OCSP_RESPID *rid;
	224
	225	if (!X509_check_private_key(signer, key)) {
	226	OCSPerr(OCSP_F_OCSP_BASIC_SIGN,
	227	OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
	228	goto err;
	229	}
	230
	231	if (!(flags & OCSP_NOCERTS)) {
	232	if (!OCSP_basic_add1_cert(brsp, signer))
	233	goto err;
	234	for (i = 0; i < sk_X509_num(certs); i++) {
	235	X509 *tmpcert = sk_X509_value(certs, i);
	236	if (!OCSP_basic_add1_cert(brsp, tmpcert))
	237	goto err;
	238	}
	239	}
	240
	241	rid = brsp->tbsResponseData->responderId;
	242	if (flags & OCSP_RESPID_KEY) {
	243	unsigned char md[SHA_DIGEST_LENGTH];
	244	X509_pubkey_digest(signer, EVP_sha1(), md, NULL);
	245	if (!(rid->value.byKey = ASN1_OCTET_STRING_new()))
	246	goto err;
	247	if (!(ASN1_OCTET_STRING_set(rid->value.byKey, md, SHA_DIGEST_LENGTH)))
	248	goto err;
	249	rid->type = V_OCSP_RESPID_KEY;
	250	} else {
	251	if (!X509_NAME_set(&rid->value.byName, X509_get_subject_name(signer)))
	252	goto err;
	253	rid->type = V_OCSP_RESPID_NAME;
	254	}
	255
	256	if (!(flags & OCSP_NOTIME) &&
	257	!X509_gmtime_adj(brsp->tbsResponseData->producedAt, 0))
	258	goto err;
	259
	260	/*
	261	* Right now, I think that not doing double hashing is the right thing.
	262	* -- Richard Levitte
	263	*/
	264
	265	if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0))
	266	goto err;
	267
	268	return 1;
	269	err:
	270	return 0;
	271	}