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271 lines
8.4 KiB
271 lines
8.4 KiB
/* ocsp_srv.c */ |
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/* |
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
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* 2001. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <cryptlib.h> |
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#include <openssl/objects.h> |
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#include <openssl/rand.h> |
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#include <openssl/x509.h> |
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#include <openssl/pem.h> |
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#include <openssl/x509v3.h> |
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#include <openssl/ocsp.h> |
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/* |
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* Utility functions related to sending OCSP responses and extracting |
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* relevant information from the request. |
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*/ |
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int OCSP_request_onereq_count(OCSP_REQUEST *req) |
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{ |
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return sk_OCSP_ONEREQ_num(req->tbsRequest->requestList); |
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} |
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OCSP_ONEREQ *OCSP_request_onereq_get0(OCSP_REQUEST *req, int i) |
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{ |
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return sk_OCSP_ONEREQ_value(req->tbsRequest->requestList, i); |
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} |
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OCSP_CERTID *OCSP_onereq_get0_id(OCSP_ONEREQ *one) |
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{ |
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return one->reqCert; |
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} |
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int OCSP_id_get0_info(ASN1_OCTET_STRING **piNameHash, ASN1_OBJECT **pmd, |
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ASN1_OCTET_STRING **pikeyHash, |
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ASN1_INTEGER **pserial, OCSP_CERTID *cid) |
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{ |
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if (!cid) |
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return 0; |
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if (pmd) |
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*pmd = cid->hashAlgorithm->algorithm; |
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if (piNameHash) |
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*piNameHash = cid->issuerNameHash; |
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if (pikeyHash) |
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*pikeyHash = cid->issuerKeyHash; |
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if (pserial) |
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*pserial = cid->serialNumber; |
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return 1; |
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} |
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int OCSP_request_is_signed(OCSP_REQUEST *req) |
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{ |
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if (req->optionalSignature) |
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return 1; |
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return 0; |
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} |
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/* Create an OCSP response and encode an optional basic response */ |
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OCSP_RESPONSE *OCSP_response_create(int status, OCSP_BASICRESP *bs) |
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{ |
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OCSP_RESPONSE *rsp = NULL; |
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if (!(rsp = OCSP_RESPONSE_new())) |
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goto err; |
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if (!(ASN1_ENUMERATED_set(rsp->responseStatus, status))) |
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goto err; |
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if (!bs) |
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return rsp; |
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if (!(rsp->responseBytes = OCSP_RESPBYTES_new())) |
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goto err; |
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rsp->responseBytes->responseType = OBJ_nid2obj(NID_id_pkix_OCSP_basic); |
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if (!ASN1_item_pack |
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(bs, ASN1_ITEM_rptr(OCSP_BASICRESP), &rsp->responseBytes->response)) |
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goto err; |
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return rsp; |
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err: |
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if (rsp) |
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OCSP_RESPONSE_free(rsp); |
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return NULL; |
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} |
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OCSP_SINGLERESP *OCSP_basic_add1_status(OCSP_BASICRESP *rsp, |
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OCSP_CERTID *cid, |
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int status, int reason, |
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ASN1_TIME *revtime, |
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ASN1_TIME *thisupd, |
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ASN1_TIME *nextupd) |
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{ |
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OCSP_SINGLERESP *single = NULL; |
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OCSP_CERTSTATUS *cs; |
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OCSP_REVOKEDINFO *ri; |
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if (!rsp->tbsResponseData->responses && |
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!(rsp->tbsResponseData->responses = sk_OCSP_SINGLERESP_new_null())) |
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goto err; |
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if (!(single = OCSP_SINGLERESP_new())) |
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goto err; |
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if (!ASN1_TIME_to_generalizedtime(thisupd, &single->thisUpdate)) |
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goto err; |
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if (nextupd && |
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!ASN1_TIME_to_generalizedtime(nextupd, &single->nextUpdate)) |
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goto err; |
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OCSP_CERTID_free(single->certId); |
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if (!(single->certId = OCSP_CERTID_dup(cid))) |
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goto err; |
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cs = single->certStatus; |
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switch (cs->type = status) { |
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case V_OCSP_CERTSTATUS_REVOKED: |
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if (!revtime) { |
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OCSPerr(OCSP_F_OCSP_BASIC_ADD1_STATUS, OCSP_R_NO_REVOKED_TIME); |
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goto err; |
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} |
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if (!(cs->value.revoked = ri = OCSP_REVOKEDINFO_new())) |
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goto err; |
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if (!ASN1_TIME_to_generalizedtime(revtime, &ri->revocationTime)) |
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goto err; |
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if (reason != OCSP_REVOKED_STATUS_NOSTATUS) { |
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if (!(ri->revocationReason = ASN1_ENUMERATED_new())) |
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goto err; |
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if (!(ASN1_ENUMERATED_set(ri->revocationReason, reason))) |
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goto err; |
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} |
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break; |
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case V_OCSP_CERTSTATUS_GOOD: |
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cs->value.good = ASN1_NULL_new(); |
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break; |
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case V_OCSP_CERTSTATUS_UNKNOWN: |
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cs->value.unknown = ASN1_NULL_new(); |
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break; |
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default: |
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goto err; |
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} |
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if (!(sk_OCSP_SINGLERESP_push(rsp->tbsResponseData->responses, single))) |
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goto err; |
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return single; |
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err: |
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OCSP_SINGLERESP_free(single); |
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return NULL; |
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} |
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/* Add a certificate to an OCSP request */ |
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int OCSP_basic_add1_cert(OCSP_BASICRESP *resp, X509 *cert) |
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{ |
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if (!resp->certs && !(resp->certs = sk_X509_new_null())) |
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return 0; |
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if (!sk_X509_push(resp->certs, cert)) |
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return 0; |
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CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509); |
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return 1; |
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} |
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int OCSP_basic_sign(OCSP_BASICRESP *brsp, |
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X509 *signer, EVP_PKEY *key, const EVP_MD *dgst, |
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STACK_OF(X509) *certs, unsigned long flags) |
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{ |
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int i; |
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OCSP_RESPID *rid; |
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if (!X509_check_private_key(signer, key)) { |
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OCSPerr(OCSP_F_OCSP_BASIC_SIGN, |
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OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); |
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goto err; |
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} |
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if (!(flags & OCSP_NOCERTS)) { |
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if (!OCSP_basic_add1_cert(brsp, signer)) |
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goto err; |
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for (i = 0; i < sk_X509_num(certs); i++) { |
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X509 *tmpcert = sk_X509_value(certs, i); |
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if (!OCSP_basic_add1_cert(brsp, tmpcert)) |
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goto err; |
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} |
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} |
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rid = brsp->tbsResponseData->responderId; |
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if (flags & OCSP_RESPID_KEY) { |
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unsigned char md[SHA_DIGEST_LENGTH]; |
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X509_pubkey_digest(signer, EVP_sha1(), md, NULL); |
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if (!(rid->value.byKey = ASN1_OCTET_STRING_new())) |
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goto err; |
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if (!(ASN1_OCTET_STRING_set(rid->value.byKey, md, SHA_DIGEST_LENGTH))) |
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goto err; |
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rid->type = V_OCSP_RESPID_KEY; |
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} else { |
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if (!X509_NAME_set(&rid->value.byName, X509_get_subject_name(signer))) |
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goto err; |
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rid->type = V_OCSP_RESPID_NAME; |
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} |
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if (!(flags & OCSP_NOTIME) && |
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!X509_gmtime_adj(brsp->tbsResponseData->producedAt, 0)) |
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goto err; |
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/* |
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* Right now, I think that not doing double hashing is the right thing. |
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* -- Richard Levitte |
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*/ |
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if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0)) |
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goto err; |
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return 1; |
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err: |
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return 0; |
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}
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