diff options
Diffstat (limited to 'openssl/crypto/ocsp/ocsp_cl.c')
| -rw-r--r-- | openssl/crypto/ocsp/ocsp_cl.c | 536 |
1 files changed, 274 insertions, 262 deletions
diff --git a/openssl/crypto/ocsp/ocsp_cl.c b/openssl/crypto/ocsp/ocsp_cl.c index 9c14d9da2..b3612c8df 100644 --- a/openssl/crypto/ocsp/ocsp_cl.c +++ b/openssl/crypto/ocsp/ocsp_cl.c @@ -1,11 +1,14 @@ /* ocsp_cl.c */ -/* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL - * project. */ +/* + * Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL + * project. + */ -/* History: - This file was transfered to Richard Levitte from CertCo by Kathy - Weinhold in mid-spring 2000 to be included in OpenSSL or released - as a patch kit. */ +/* + * History: This file was transfered to Richard Levitte from CertCo by Kathy + * Weinhold in mid-spring 2000 to be included in OpenSSL or released as a + * patch kit. + */ /* ==================================================================== * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. @@ -15,7 +18,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -71,301 +74,310 @@ #include <openssl/x509v3.h> #include <openssl/ocsp.h> -/* Utility functions related to sending OCSP requests and extracting - * relevant information from the response. +/* + * Utility functions related to sending OCSP requests and extracting relevant + * information from the response. */ -/* Add an OCSP_CERTID to an OCSP request. Return new OCSP_ONEREQ - * pointer: useful if we want to add extensions. +/* + * Add an OCSP_CERTID to an OCSP request. Return new OCSP_ONEREQ pointer: + * useful if we want to add extensions. */ OCSP_ONEREQ *OCSP_request_add0_id(OCSP_REQUEST *req, OCSP_CERTID *cid) - { - OCSP_ONEREQ *one = NULL; - - if (!(one = OCSP_ONEREQ_new())) goto err; - if (one->reqCert) OCSP_CERTID_free(one->reqCert); - one->reqCert = cid; - if (req && - !sk_OCSP_ONEREQ_push(req->tbsRequest->requestList, one)) - goto err; - return one; -err: - OCSP_ONEREQ_free(one); - return NULL; - } +{ + OCSP_ONEREQ *one = NULL; + + if (!(one = OCSP_ONEREQ_new())) + goto err; + if (one->reqCert) + OCSP_CERTID_free(one->reqCert); + one->reqCert = cid; + if (req && !sk_OCSP_ONEREQ_push(req->tbsRequest->requestList, one)) + goto err; + return one; + err: + OCSP_ONEREQ_free(one); + return NULL; +} /* Set requestorName from an X509_NAME structure */ int OCSP_request_set1_name(OCSP_REQUEST *req, X509_NAME *nm) - { - GENERAL_NAME *gen; - gen = GENERAL_NAME_new(); - if (gen == NULL) - return 0; - if (!X509_NAME_set(&gen->d.directoryName, nm)) - { - GENERAL_NAME_free(gen); - return 0; - } - gen->type = GEN_DIRNAME; - if (req->tbsRequest->requestorName) - GENERAL_NAME_free(req->tbsRequest->requestorName); - req->tbsRequest->requestorName = gen; - return 1; - } - +{ + GENERAL_NAME *gen; + gen = GENERAL_NAME_new(); + if (gen == NULL) + return 0; + if (!X509_NAME_set(&gen->d.directoryName, nm)) { + GENERAL_NAME_free(gen); + return 0; + } + gen->type = GEN_DIRNAME; + if (req->tbsRequest->requestorName) + GENERAL_NAME_free(req->tbsRequest->requestorName); + req->tbsRequest->requestorName = gen; + return 1; +} /* Add a certificate to an OCSP request */ int OCSP_request_add1_cert(OCSP_REQUEST *req, X509 *cert) - { - OCSP_SIGNATURE *sig; - if (!req->optionalSignature) - req->optionalSignature = OCSP_SIGNATURE_new(); - sig = req->optionalSignature; - if (!sig) return 0; - if (!cert) return 1; - if (!sig->certs && !(sig->certs = sk_X509_new_null())) - return 0; - - if(!sk_X509_push(sig->certs, cert)) return 0; - CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509); - return 1; - } - -/* Sign an OCSP request set the requestorName to the subjec - * name of an optional signers certificate and include one - * or more optional certificates in the request. Behaves - * like PKCS7_sign(). +{ + OCSP_SIGNATURE *sig; + if (!req->optionalSignature) + req->optionalSignature = OCSP_SIGNATURE_new(); + sig = req->optionalSignature; + if (!sig) + return 0; + if (!cert) + return 1; + if (!sig->certs && !(sig->certs = sk_X509_new_null())) + return 0; + + if (!sk_X509_push(sig->certs, cert)) + return 0; + CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509); + return 1; +} + +/* + * Sign an OCSP request set the requestorName to the subjec name of an + * optional signers certificate and include one or more optional certificates + * in the request. Behaves like PKCS7_sign(). */ -int OCSP_request_sign(OCSP_REQUEST *req, - X509 *signer, - EVP_PKEY *key, - const EVP_MD *dgst, - STACK_OF(X509) *certs, - unsigned long flags) - { - int i; - OCSP_SIGNATURE *sig; - X509 *x; - - if (!OCSP_request_set1_name(req, X509_get_subject_name(signer))) - goto err; - - if (!(req->optionalSignature = sig = OCSP_SIGNATURE_new())) goto err; - if (key) - { - if (!X509_check_private_key(signer, key)) - { - OCSPerr(OCSP_F_OCSP_REQUEST_SIGN, OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); - goto err; - } - if (!OCSP_REQUEST_sign(req, key, dgst)) goto err; - } - - if (!(flags & OCSP_NOCERTS)) - { - if(!OCSP_request_add1_cert(req, signer)) goto err; - for (i = 0; i < sk_X509_num(certs); i++) - { - x = sk_X509_value(certs, i); - if (!OCSP_request_add1_cert(req, x)) goto err; - } - } - - return 1; -err: - OCSP_SIGNATURE_free(req->optionalSignature); - req->optionalSignature = NULL; - return 0; - } +int OCSP_request_sign(OCSP_REQUEST *req, + X509 *signer, + EVP_PKEY *key, + const EVP_MD *dgst, + STACK_OF(X509) *certs, unsigned long flags) +{ + int i; + OCSP_SIGNATURE *sig; + X509 *x; + + if (!OCSP_request_set1_name(req, X509_get_subject_name(signer))) + goto err; + + if (!(req->optionalSignature = sig = OCSP_SIGNATURE_new())) + goto err; + if (key) { + if (!X509_check_private_key(signer, key)) { + OCSPerr(OCSP_F_OCSP_REQUEST_SIGN, + OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); + goto err; + } + if (!OCSP_REQUEST_sign(req, key, dgst)) + goto err; + } + + if (!(flags & OCSP_NOCERTS)) { + if (!OCSP_request_add1_cert(req, signer)) + goto err; + for (i = 0; i < sk_X509_num(certs); i++) { + x = sk_X509_value(certs, i); + if (!OCSP_request_add1_cert(req, x)) + goto err; + } + } + + return 1; + err: + OCSP_SIGNATURE_free(req->optionalSignature); + req->optionalSignature = NULL; + return 0; +} /* Get response status */ int OCSP_response_status(OCSP_RESPONSE *resp) - { - return ASN1_ENUMERATED_get(resp->responseStatus); - } +{ + return ASN1_ENUMERATED_get(resp->responseStatus); +} -/* Extract basic response from OCSP_RESPONSE or NULL if - * no basic response present. +/* + * Extract basic response from OCSP_RESPONSE or NULL if no basic response + * present. */ - OCSP_BASICRESP *OCSP_response_get1_basic(OCSP_RESPONSE *resp) - { - OCSP_RESPBYTES *rb; - rb = resp->responseBytes; - if (!rb) - { - OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NO_RESPONSE_DATA); - return NULL; - } - if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) - { - OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NOT_BASIC_RESPONSE); - return NULL; - } - - return ASN1_item_unpack(rb->response, ASN1_ITEM_rptr(OCSP_BASICRESP)); - } - -/* Return number of OCSP_SINGLERESP reponses present in - * a basic response. +{ + OCSP_RESPBYTES *rb; + rb = resp->responseBytes; + if (!rb) { + OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NO_RESPONSE_DATA); + return NULL; + } + if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) { + OCSPerr(OCSP_F_OCSP_RESPONSE_GET1_BASIC, OCSP_R_NOT_BASIC_RESPONSE); + return NULL; + } + + return ASN1_item_unpack(rb->response, ASN1_ITEM_rptr(OCSP_BASICRESP)); +} + +/* + * Return number of OCSP_SINGLERESP reponses present in a basic response. */ int OCSP_resp_count(OCSP_BASICRESP *bs) - { - if (!bs) return -1; - return sk_OCSP_SINGLERESP_num(bs->tbsResponseData->responses); - } +{ + if (!bs) + return -1; + return sk_OCSP_SINGLERESP_num(bs->tbsResponseData->responses); +} /* Extract an OCSP_SINGLERESP response with a given index */ OCSP_SINGLERESP *OCSP_resp_get0(OCSP_BASICRESP *bs, int idx) - { - if (!bs) return NULL; - return sk_OCSP_SINGLERESP_value(bs->tbsResponseData->responses, idx); - } +{ + if (!bs) + return NULL; + return sk_OCSP_SINGLERESP_value(bs->tbsResponseData->responses, idx); +} /* Look single response matching a given certificate ID */ int OCSP_resp_find(OCSP_BASICRESP *bs, OCSP_CERTID *id, int last) - { - int i; - STACK_OF(OCSP_SINGLERESP) *sresp; - OCSP_SINGLERESP *single; - if (!bs) return -1; - if (last < 0) last = 0; - else last++; - sresp = bs->tbsResponseData->responses; - for (i = last; i < sk_OCSP_SINGLERESP_num(sresp); i++) - { - single = sk_OCSP_SINGLERESP_value(sresp, i); - if (!OCSP_id_cmp(id, single->certId)) return i; - } - return -1; - } - -/* Extract status information from an OCSP_SINGLERESP structure. - * Note: the revtime and reason values are only set if the - * certificate status is revoked. Returns numerical value of - * status. +{ + int i; + STACK_OF(OCSP_SINGLERESP) *sresp; + OCSP_SINGLERESP *single; + if (!bs) + return -1; + if (last < 0) + last = 0; + else + last++; + sresp = bs->tbsResponseData->responses; + for (i = last; i < sk_OCSP_SINGLERESP_num(sresp); i++) { + single = sk_OCSP_SINGLERESP_value(sresp, i); + if (!OCSP_id_cmp(id, single->certId)) + return i; + } + return -1; +} + +/* + * Extract status information from an OCSP_SINGLERESP structure. Note: the + * revtime and reason values are only set if the certificate status is + * revoked. Returns numerical value of status. */ int OCSP_single_get0_status(OCSP_SINGLERESP *single, int *reason, - ASN1_GENERALIZEDTIME **revtime, - ASN1_GENERALIZEDTIME **thisupd, - ASN1_GENERALIZEDTIME **nextupd) - { - int ret; - OCSP_CERTSTATUS *cst; - if(!single) return -1; - cst = single->certStatus; - ret = cst->type; - if (ret == V_OCSP_CERTSTATUS_REVOKED) - { - OCSP_REVOKEDINFO *rev = cst->value.revoked; - if (revtime) *revtime = rev->revocationTime; - if (reason) - { - if(rev->revocationReason) - *reason = ASN1_ENUMERATED_get(rev->revocationReason); - else *reason = -1; - } - } - if(thisupd) *thisupd = single->thisUpdate; - if(nextupd) *nextupd = single->nextUpdate; - return ret; - } - -/* This function combines the previous ones: look up a certificate ID and - * if found extract status information. Return 0 is successful. + ASN1_GENERALIZEDTIME **revtime, + ASN1_GENERALIZEDTIME **thisupd, + ASN1_GENERALIZEDTIME **nextupd) +{ + int ret; + OCSP_CERTSTATUS *cst; + if (!single) + return -1; + cst = single->certStatus; + ret = cst->type; + if (ret == V_OCSP_CERTSTATUS_REVOKED) { + OCSP_REVOKEDINFO *rev = cst->value.revoked; + if (revtime) + *revtime = rev->revocationTime; + if (reason) { + if (rev->revocationReason) + *reason = ASN1_ENUMERATED_get(rev->revocationReason); + else + *reason = -1; + } + } + if (thisupd) + *thisupd = single->thisUpdate; + if (nextupd) + *nextupd = single->nextUpdate; + return ret; +} + +/* + * This function combines the previous ones: look up a certificate ID and if + * found extract status information. Return 0 is successful. */ int OCSP_resp_find_status(OCSP_BASICRESP *bs, OCSP_CERTID *id, int *status, - int *reason, - ASN1_GENERALIZEDTIME **revtime, - ASN1_GENERALIZEDTIME **thisupd, - ASN1_GENERALIZEDTIME **nextupd) - { - int i; - OCSP_SINGLERESP *single; - i = OCSP_resp_find(bs, id, -1); - /* Maybe check for multiple responses and give an error? */ - if(i < 0) return 0; - single = OCSP_resp_get0(bs, i); - i = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd); - if(status) *status = i; - return 1; - } - -/* Check validity of thisUpdate and nextUpdate fields. It is possible that the request will - * take a few seconds to process and/or the time wont be totally accurate. Therefore to avoid - * rejecting otherwise valid time we allow the times to be within 'nsec' of the current time. - * Also to avoid accepting very old responses without a nextUpdate field an optional maxage + int *reason, + ASN1_GENERALIZEDTIME **revtime, + ASN1_GENERALIZEDTIME **thisupd, + ASN1_GENERALIZEDTIME **nextupd) +{ + int i; + OCSP_SINGLERESP *single; + i = OCSP_resp_find(bs, id, -1); + /* Maybe check for multiple responses and give an error? */ + if (i < 0) + return 0; + single = OCSP_resp_get0(bs, i); + i = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd); + if (status) + *status = i; + return 1; +} + +/* + * Check validity of thisUpdate and nextUpdate fields. It is possible that + * the request will take a few seconds to process and/or the time wont be + * totally accurate. Therefore to avoid rejecting otherwise valid time we + * allow the times to be within 'nsec' of the current time. Also to avoid + * accepting very old responses without a nextUpdate field an optional maxage * parameter specifies the maximum age the thisUpdate field can be. */ -int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd, ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec) - { - int ret = 1; - time_t t_now, t_tmp; - time(&t_now); - /* Check thisUpdate is valid and not more than nsec in the future */ - if (!ASN1_GENERALIZEDTIME_check(thisupd)) - { - OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_THISUPDATE_FIELD); - ret = 0; - } - else - { - t_tmp = t_now + nsec; - if (X509_cmp_time(thisupd, &t_tmp) > 0) - { - OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_NOT_YET_VALID); - ret = 0; - } - - /* If maxsec specified check thisUpdate is not more than maxsec in the past */ - if (maxsec >= 0) - { - t_tmp = t_now - maxsec; - if (X509_cmp_time(thisupd, &t_tmp) < 0) - { - OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_TOO_OLD); - ret = 0; - } - } - } - - - if (!nextupd) return ret; - - /* Check nextUpdate is valid and not more than nsec in the past */ - if (!ASN1_GENERALIZEDTIME_check(nextupd)) - { - OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD); - ret = 0; - } - else - { - t_tmp = t_now - nsec; - if (X509_cmp_time(nextupd, &t_tmp) < 0) - { - OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_EXPIRED); - ret = 0; - } - } - - /* Also don't allow nextUpdate to precede thisUpdate */ - if (ASN1_STRING_cmp(nextupd, thisupd) < 0) - { - OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE); - ret = 0; - } - - return ret; - } +int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd, + ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec) +{ + int ret = 1; + time_t t_now, t_tmp; + time(&t_now); + /* Check thisUpdate is valid and not more than nsec in the future */ + if (!ASN1_GENERALIZEDTIME_check(thisupd)) { + OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_THISUPDATE_FIELD); + ret = 0; + } else { + t_tmp = t_now + nsec; + if (X509_cmp_time(thisupd, &t_tmp) > 0) { + OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_NOT_YET_VALID); + ret = 0; + } + + /* + * If maxsec specified check thisUpdate is not more than maxsec in + * the past + */ + if (maxsec >= 0) { + t_tmp = t_now - maxsec; + if (X509_cmp_time(thisupd, &t_tmp) < 0) { + OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_TOO_OLD); + ret = 0; + } + } + } + + if (!nextupd) + return ret; + + /* Check nextUpdate is valid and not more than nsec in the past */ + if (!ASN1_GENERALIZEDTIME_check(nextupd)) { + OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD); + ret = 0; + } else { + t_tmp = t_now - nsec; + if (X509_cmp_time(nextupd, &t_tmp) < 0) { + OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, OCSP_R_STATUS_EXPIRED); + ret = 0; + } + } + + /* Also don't allow nextUpdate to precede thisUpdate */ + if (ASN1_STRING_cmp(nextupd, thisupd) < 0) { + OCSPerr(OCSP_F_OCSP_CHECK_VALIDITY, + OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE); + ret = 0; + } + + return ret; +} |