Security-55163.44.tar.gz

[apple/security.git] / libsecurity_ocspd / client / ocspdClient.h

diff --git a/libsecurity_ocspd/client/ocspdClient.h b/libsecurity_ocspd/client/ocspdClient.h
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+/*
+ * Copyright (c) 2002,2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/* 
+ * ocspdClient.h - Client interface to OCSP helper daemon
+ */
+ 
+#ifndef        _OCSPD_CLIENT_H_
+#define _OCSPD_CLIENT_H_
+
+#include <Security/cssmtype.h>
+#include <Security/SecTrustSettings.h>
+#include <security_utilities/alloc.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#pragma mark ----- OCSP routines -----
+
+/*
+ * Normal OCSP request. Depending on contents of encoded SecAsn1OCSPToolRequest,
+ * this optionally performs cache lookup, local responder OCSP, and normal
+ * OCSP, in that order. If OCSP response is fetched from the net the netFetch
+ * outParam is true on return. 
+ */
+CSSM_RETURN ocspdFetch(
+       Allocator                       &alloc,
+       const CSSM_DATA         &ocspdReq,              // DER-encoded SecAsn1OCSPDRequests
+       CSSM_DATA                       &ocspdResp);    // DER-encoded kSecAsn1OCSPDReplies
+                                                                               // mallocd via alloc and RETURNED
+
+/* 
+ * Flush all OCSP responses associated with specifed CertID from cache. 
+ */
+CSSM_RETURN ocspdCacheFlush(
+       const CSSM_DATA         &certID);
+       
+/* 
+ * Flush stale entries from cache. 
+ */
+CSSM_RETURN ocspdCacheFlushStale();
+
+#pragma mark ----- CRL/Cert routines -----
+/* 
+ * fetch a certificate from the net. 
+ */
+CSSM_RETURN ocspdCertFetch(
+       Allocator                       &alloc,
+       const CSSM_DATA         &certURL,
+       CSSM_DATA                       &certData);             // mallocd via alloc and RETURNED
+
+/* 
+ * fetch a CRL from the net with optional cache lookup and/or store.
+ * VerifyTime argument only used for cache lookup; it must be in 
+ * CSSM_TIMESTRING format. 
+ * crlIssuer is optional, and is only specified when the client knows
+ * that the issuer of the CRL is the same as the issuer of the cert
+ * being verified. 
+ */
+CSSM_RETURN ocspdCRLFetch(
+       Allocator                       &alloc,
+       const CSSM_DATA         &crlURL,
+       const CSSM_DATA         *crlIssuer,             // optional
+       bool                            cacheReadEnable,
+       bool                            cacheWriteEnable,
+       CSSM_TIMESTRING         verifyTime,
+       CSSM_DATA                       &crlData);              // mallocd via alloc and RETURNED
+
+/*
+ * fetch CRL revocation status, given a certificate's serial number and
+ * its issuers, along with an identifier for the CRL (either its issuer name
+ * or distribution point URL)
+ *
+ * This may return one of the following result codes:
+ *
+ * CSSM_OK (valid CRL was found for this issuer, serial number is not on it)
+ * CSSMERR_TP_CERT_REVOKED (valid CRL was found, serial number is revoked)
+ * CSSMERR_APPLETP_NETWORK_FAILURE (crl not available, download in progress)
+ * CSSMERR_APPLETP_CRL_NOT_FOUND (crl not available, and not in progress)
+ *
+ * The first three error codes can be considered definitive answers (with the
+ * NETWORK_FAILURE case indicating a possible retry later if required); the
+ * last error requires a subsequent call to ocspdCRLFetch to either retrieve
+ * the CRL from the on-disk cache or initiate a download of the CRL.
+ *
+ * Note: CSSMERR_TP_INTERNAL_ERROR can also be returned if there is a problem
+ * with the provided arguments, or an error communicating with ocspd.
+ */
+CSSM_RETURN ocspdCRLStatus(
+       const CSSM_DATA         &serialNumber,
+       const CSSM_DATA         &certIssuers,
+       const CSSM_DATA         *crlIssuer,             // optional if URL is supplied
+       const CSSM_DATA         *crlURL);               // optional if issuer is supplied
+
+/* 
+ * Refresh the CRL cache. 
+ */
+CSSM_RETURN ocspdCRLRefresh(
+       unsigned                        staleDays,
+       unsigned                        expireOverlapSeconds,
+       bool                            purgeAll,
+       bool                            fullCryptoVerify);
+
+/* 
+ * Flush all CRLs obtained from specified URL from cache. Called by client when 
+ * *it* detects a bad CRL. 
+ */
+CSSM_RETURN ocspdCRLFlush(
+       const CSSM_DATA         &crlURL);
+       
+/*
+ * Obtain TrustSettings. 
+ */
+OSStatus ocspdTrustSettingsRead(
+       Allocator                               &alloc,
+       SecTrustSettingsDomain  domain,
+       CSSM_DATA                               &trustSettings);                // mallocd via alloc and RETURNED
+
+/*
+ * Write TrustSettings to disk. Results in authentication dialog.
+ */
+OSStatus ocspdTrustSettingsWrite(
+       SecTrustSettingsDomain  domain,
+       const CSSM_DATA                 &authBlob,
+       const CSSM_DATA                 &trustSettings);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OCSPD_CLIENT_H_ */