- 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;
- }
+ 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;
+ }
+ }