Initial revision

AUTHORS

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+Lev Walkin <[email protected]>

BUGS

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+
+0. ASN.1 grammar parser is written mostly with respect to constructing a tree,
+so a tree destruction is not fully supported and certain memory leaks are
+known. Not a huge problem for run-once programs like a compiler.
+NOTE:	This statement does not apply to the target code _produced_
+	by the compiler.
+
+1. REAL type is not supported yet.
+
+2. For purposes of compilation, INTEGER type is modelled using a large
+static type (asn_integer_t), but defined as any positive or negative value
+by ASN.1. Not a problem as most specifications use very small values anyway.
+NOTE:	This statement does not apply to the target code _produced_
+	by the compiler.
+
+3. ASN Macros are prohibited by the current ASN.1 standard,
+and are not supported.
+
+4. Multiple tags applied at the same level are not supported:
+	BadTags ::= [0] EXPLICIT [2] IMPLICIT OtherType
+   The same thing could be achieved by using the indirection:
+	GoodTags     ::= [0] EXPLICIT OtherTypePtr
+	OtherTypePtr ::= [2] IMPLICIT OtherType
+
+5. Mixed definite/indefinite length in a _single_ BER tags sequence is not
+supported. Should not be a problem in the real world. Please note that it
+is still possible, for example, to encode a wrapper structure using definite
+length, and encode its substructure member using indefinite length. The BER
+decoder is perfectly capable of decoding such sequences.
+
+

COPYING

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+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <[email protected]>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    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 the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ */

ChangeLog

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+
+0.8.10:	2004-Jun-02
+
+	* Added const qualifier where necessary.
+	* Changed position of outmost_tag fetcher within asn1_TYPE_descriptor_t
+	  structure.
+
+0.8.9:	2004-May-26
+
+	* Added *_{get|set}_arcs_*() functions for OBJECT IDENTIFIER
+	  and RELATIVE-OID, together with test cases.
+
+0.8.8:	2004-May-09
+
+	* Introduced subtype constraints support (incomplete!).
+	* Fixed compiler. If the last member of the SEQUENCE is OPTIONAL
+	  and absent in the encoding, and the type is extensible (...) or
+	  EXTENSIBILITY IMPLIED flag is set, then the structure could not
+	  be correctly decoded. (Severity: high, Security impact: low).
+	* Compiler: fixed recursive ASN.1 types inclusion (Severity: low,
+	  Security impact: none).
+	* Parser: IMPORTS/FROM fixes, now allowing multiple sections.
+	* Code compiled and checked on PowerPC (@MacOS X). No major portability
+	  issues experienced.
+
+0.8.7:	2004-Apr-11	T-version-0-8-7
+
+	* Fixed SEQUENCE BER decoder: if the last member of the SEQUENCE is
+	  OPTIONAL and absent in the encoding, RC_FAIL was returned instead
+	  of RC_OK (Severity: high, Security impact: low).
+	* Added test case to check the above problem.
+	* Added test case to check -fnative-integers mode.
+
+0.8.6:	2004-Apr-03	T-version-0-8-6
+
+	* Fixed compiler output for embedded ASN.1 structures.
+
+0.8.5:	2004-Mar-28	T-version-0-8-5
+
+	* Fixed ber_tlv_length() computation problem (Severity: blocker,
+	  Security impact: none).
+	  Reported by <[email protected]>
+
+0.8.4:	2004-Mar-22
+
+	* Removed RC_ITAG enumeration element from BER decoder.
+	  This return code did not have much practical value.
+
+0.8.3:	2004-Mar-14	T-version-0-8-3
+
+	* Fixed SET::BER decoder: restart after reaching a buffer boundary
+	  weas broken (Severity: blocker, Security impact: low).
+	* Fixed OCTET STRING::BER decoder: restart after reaching a buffer
+	  boundary was broken (Severity: blocker, Security impact: low).
+	  Reported by <[email protected]>
+	* Added test cases to check decoders restartability.
+	* Slightly more general INTEGER2long decoder.
+	* Allowed nested /* C-type */ comments, as per X.680:2002.
+
+0.8.2:	2004-Mar-01	T-version-0-8-2
+
+	* Fixed SEQUENCE BER decoder: an OPTIONAL element was required, where
+	  should not have been (Severity: major; Security impact: low).
+	* Fixed print_struct pointer inheritance.
+	* Added -fno-c99 and -funnamed-unions
+
+0.8.1:	2004-Feb-22
+
+	* -R switch to asn1c: Omit support code, compile only the tables.
+	* Introduced NativeInteger pseudotype.
+	* Corrected the informal print_struct()'s output format.
+
+0.8.0:	2004-Feb-03	T-version-0-8-0
+
+	* Some documentation is created (a .pdf and a short manual page).
+	* Last touches to the code.
+
+0.7.9:	2004-Feb-01	T-version-0-7-9
+
+	* Human readable printing support.
+	* Support for implicit (standard) constraints.
+
+0.7.8:	2004-Jan-31
+
+	* SET now rejects duplicate fields in the data stream.
+
+0.7.7:	2004-Jan-25
+
+	* Added types: GeneralizedTime and UTCTime.
+
+0.7.6:	2004-Jan-24	T-version-0-7-6
+
+	* DER encoding of a SET OF now involves dynamic sorting.
+
+0.7.5:	2004-Jan-24	T-version-0-7-5
+
+	* DER encoding of a SET with untagged CHOICE
+	  now involves dynamic sorting.
+
+0.7.0:	2004-Jan-19	T-version-0-7-0
+
+	* A bunch of DER encoders is implemented.
+
+0.6.6:	2004-Jan-11
+
+	* Implemented CHOICE decoder.
+	* Implemented destructors support.
+
+0.6.5:	2004-Jan-03
+
+	* Implemented SET decoder.
+	* Implemented SET OF and SEQUENCE OF decoders.
+
+0.6.4:	2003-Dec-31
+
+	* Implemented BOOLEAN, NULL, ENUMERATED decoders.
+	* Implemented OCTET STRING decoder.
+	* Implemented BIT STRING decoder.
+
+0.6:	2003-Dec-30
+
+	* First decoding of a BER-encoded structure!
+
+0.5:	2003-Dec-28
+
+	* Framework and most of the compiler backbone coding done.
+
+0.1:	2003-Nov-28
+
+	* Programming started.

INSTALL

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+QUICK START INSTALLATION
+========================
+
+./configure	# Configure the build infrastructure for your platform
+make		# Build the libraries and the compiler
+make check	# Ensure that the code is still behaving well
+		# after compiling on your platform
+make install	# Install the compiler into standard location
+
+
+QUICK USAGE GUIDE
+=================
+
+For usage guide and more information please refer to README file.

MANIFEST

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+libasn1compiler
+libasn1parser
+libasn1print
+libasn1fix
+skeletons
+examples
+tests
+asn1c
+doc

Makefile.am

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+
+SUBDIRS = 				\
+	libasn1parser libasn1print	\
+	libasn1fix libasn1compiler	\
+	skeletons examples tests	\
+	doc asn1c
+
+EXTRA_DIST = BUGS MANIFEST