Security-55163.44.tar.gz

[apple/security.git] / libsecurity_ssl / lib / sslRecord.h

diff --git a/libsecurity_ssl/lib/sslRecord.h b/libsecurity_ssl/lib/sslRecord.h
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+/*
+ * Copyright (c) 2000-2001,2005-2007,2010-2012 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/*
+ * sslRecord.h - SSL Record Layer
+ */
+
+#ifndef _SSLRECORD_H_
+#define _SSLRECORD_H_ 1
+
+#include "sslPriv.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum
+{   SSL_RecordTypeV2_0,
+    SSL_RecordTypeV3_Smallest = 20,
+    SSL_RecordTypeChangeCipher = 20,
+    SSL_RecordTypeAlert = 21,
+    SSL_RecordTypeHandshake = 22,
+    SSL_RecordTypeAppData = 23,
+    SSL_RecordTypeV3_Largest = 23
+};
+
+typedef struct
+{   UInt8                   contentType;
+    SSLProtocolVersion      protocolVersion;
+    SSLBuffer               contents;
+} SSLRecord;
+
+/*
+ * Slightly smaller that 16384 to make room for a MAC in an SSL 2.0
+ * 3-byte header record
+ */
+#define MAX_RECORD_LENGTH   16300
+
+#define DEFAULT_BUFFER_SIZE 4096
+
+OSStatus SSLReadRecord(
+       SSLRecord       *rec,
+       SSLContext      *ctx);
+
+OSStatus SSLVerifyMac(
+       UInt8           type,
+       SSLBuffer       *data,
+       UInt8           *compareMAC,
+       SSLContext      *ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SSLRECORD_H_ */