/* * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. * * The contents of this file constitute Original Code as defined in and are * subject to the Apple Public Source License Version 1.2 (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, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the * specific language governing rights and limitations under the License. */ // file: .../c++-lib/inc/asn-len.h - handle ASN.1 length encoding/decoding etc. // // MS 92/06/18 // Copyright (C) 1992 Michael Sample and the University of British Columbia // // This library is free software; you can redistribute it and/or // modify it provided that this copyright/license information is retained // in original form. // // If you modify this file, you must clearly indicate your changes. // // This source code is distributed in the hope that it will be // useful, but WITHOUT ANY WARRANTY; without even the implied warranty // of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. // // $Header: /cvs/Darwin/Security/SecuritySNACCRuntime/c++-lib/inc/asn-len.h,v 1.1.1.1 2001/05/18 23:14:06 mb Exp $ // $Log: asn-len.h,v $ // Revision 1.1.1.1 2001/05/18 23:14:06 mb // Move from private repository to open source repository // // Revision 1.3 2001/05/05 00:59:18 rmurphy // Adding darwin license headers // // Revision 1.2 2000/06/15 18:48:23 dmitch // Snacc-generated source files, now part of CVS tree to allow for cross-platform build of snaccRuntime. // // Revision 1.1.1.1 2000/03/09 01:00:05 rmurphy // Base Fortissimo Tree // // Revision 1.1 1999/02/25 05:21:43 mb // Added snacc c++ library // // Revision 1.6 1997/02/16 10:07:43 rj // make the unsigned value unsigned :-) // // Revision 1.5 1995/07/25 20:19:01 rj // changed `_' to `-' in file names. // // Revision 1.4 1994/10/08 04:18:04 rj // code for meta structures added (provides information about the generated code itself). // // code for Tcl interface added (makes use of the above mentioned meta code). // // virtual inline functions (the destructor, the Clone() function, BEnc(), BDec() and Print()) moved from inc/*.h to src/*.C because g++ turns every one of them into a static non-inline function in every file where the .h file gets included. // // made Print() const (and some other, mainly comparison functions). // // several `unsigned long int' turned into `size_t'. // // Revision 1.3 1994/08/31 23:35:00 rj // semicolon removed from end of macro text // // Revision 1.2 1994/08/28 10:00:50 rj // comment leader fixed. // // Revision 1.1 1994/08/28 09:20:36 rj // first check-in. for a list of changes to the snacc-1.1 distribution please refer to the ChangeLog. #ifndef _asn_len_h_ #define _asn_len_h_ typedef size_t AsnLen; #define INDEFINITE_LEN ~0UL // max unsigned value used for indef rep #ifdef USE_INDEF_LEN #define BEncEocIfNec(b)\ BEncEoc (b) #define BEncConsLen(b, len)\ 2 + BEncIndefLen (b) /* include len for EOC */ #else // default -- use definite length -- usually faster (for snacc encoders) and smaller encodings #define BEncEocIfNec(b) /* do nothing */ #define BEncConsLen(b, len)\ BEncDefLen (b, len) #endif #define BEncIndefLen( b)\ 1;\ b.PutByteRvs (0x80) /* * use if you know the encoded length will be 0 >= len <= 127 * Eg for booleans, nulls, any resonable integers and reals * * NOTE: this particular Encode Routine does NOT return the length * encoded (1). The length counter must be explicity incremented */ #define BEncDefLenTo127( b, len)\ b.PutByteRvs ((unsigned char) len) #define BDEC_2ND_EOC_OCTET( b, bytesDecoded, env)\ {\ if ((b.GetByte() != 0) || b.ReadError())\ Asn1Warning << "Warning - second octet of EOC not zero" << endl;\ (bytesDecoded)++;\ } AsnLen BDecLen (BUF_TYPE b, AsnLen &bytesDecoded, ENV_TYPE env); AsnLen BEncDefLen ( BUF_TYPE b, AsnLen len); AsnLen BEncEoc (BUF_TYPE b); void BDecEoc (BUF_TYPE b, AsnLen &bytesDecoded, ENV_TYPE env); #endif /* conditional include */