/* 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 #include #include #include #include #include #include #include /* 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; }