264 lines
7.6 KiB
C
264 lines
7.6 KiB
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;
|
|
}
|
|
|
|
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;
|
|
}
|