123 lines
3.6 KiB
Perl
123 lines
3.6 KiB
Perl
#! /usr/bin/env perl
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# Copyright 2000-2022 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use strict;
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use FindBin;
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use lib "$FindBin::Bin/../../util/perl";
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use OpenSSL::copyright;
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my ($i, @arr);
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# Set up an array with the type of ASCII characters
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# Each set bit represents a character property.
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# RFC2253 character properties
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my $RFC2253_ESC = 1; # Character escaped with \
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my $ESC_CTRL = 2; # Escaped control character
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# These are used with RFC1779 quoting using "
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my $NOESC_QUOTE = 8; # Not escaped if quoted
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my $PSTRING_CHAR = 0x10; # Valid PrintableString character
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my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character
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my $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character
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my $RFC2254_ESC = 0x400; # Character escaped \XX
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my $HOST_ANY = 0x1000; # Valid hostname character anywhere in label
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my $HOST_DOT = 0x2000; # Dot: hostname label separator
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my $HOST_HYPHEN = 0x4000; # Hyphen: not valid at start or end.
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my $HOST_WILD = 0x8000; # Wildcard character
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for($i = 0; $i < 128; $i++) {
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# Set the RFC2253 escape characters (control)
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$arr[$i] = 0;
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if(($i < 32) || ($i > 126)) {
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$arr[$i] |= $ESC_CTRL;
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}
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# Some PrintableString characters
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if( ( ( $i >= ord("a")) && ( $i <= ord("z")) )
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|| ( ( $i >= ord("A")) && ( $i <= ord("Z")) )
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|| ( ( $i >= ord("0")) && ( $i <= ord("9")) ) ) {
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$arr[$i] |= $PSTRING_CHAR | $HOST_ANY;
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}
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}
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# Now setup the rest
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# Remaining RFC2253 escaped characters
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$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC;
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$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC;
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$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC;
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$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC;
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$arr[ord("\"")] |= $RFC2253_ESC;
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$arr[ord("\\")] |= $RFC2253_ESC;
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$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC;
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$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC;
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$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC;
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# Remaining RFC2254 characters
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$arr[0] |= $RFC2254_ESC;
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$arr[ord("(")] |= $RFC2254_ESC;
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$arr[ord(")")] |= $RFC2254_ESC;
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$arr[ord("*")] |= $RFC2254_ESC | $HOST_WILD;
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$arr[ord("\\")] |= $RFC2254_ESC;
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# Remaining PrintableString characters
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$arr[ord(" ")] |= $PSTRING_CHAR;
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$arr[ord("'")] |= $PSTRING_CHAR;
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$arr[ord("(")] |= $PSTRING_CHAR;
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$arr[ord(")")] |= $PSTRING_CHAR;
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$arr[ord("+")] |= $PSTRING_CHAR;
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$arr[ord(",")] |= $PSTRING_CHAR;
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$arr[ord("-")] |= $PSTRING_CHAR | $HOST_HYPHEN;
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$arr[ord(".")] |= $PSTRING_CHAR | $HOST_DOT;
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$arr[ord("/")] |= $PSTRING_CHAR;
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$arr[ord(":")] |= $PSTRING_CHAR;
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$arr[ord("=")] |= $PSTRING_CHAR;
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$arr[ord("?")] |= $PSTRING_CHAR;
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# Now generate the C code
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# Year the file was generated.
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my $YEAR = OpenSSL::copyright::year_of($0);
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print <<EOF;
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/*
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* WARNING: do not edit!
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* Generated by crypto/asn1/charmap.pl
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*
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* Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#define CHARTYPE_HOST_ANY $HOST_ANY
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#define CHARTYPE_HOST_DOT $HOST_DOT
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#define CHARTYPE_HOST_HYPHEN $HOST_HYPHEN
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#define CHARTYPE_HOST_WILD $HOST_WILD
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/*
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* Mask of various character properties
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*/
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static const unsigned short char_type[] = {
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EOF
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print " ";
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for($i = 0; $i < 128; $i++) {
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print("\n ") if($i && (($i % 12) == 0));
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printf(" %4d", $arr[$i]);
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print(",") if ($i != 127);
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}
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print("\n};\n");
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