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#! /usr/bin/env perl
# Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
use strict;
use FindBin;
use lib "$FindBin::Bin/../../util/perl";
use OpenSSL::copyright;
my ($i, @arr);
# Set up an array with the type of ASCII characters
# Each set bit represents a character property.
# RFC2253 character properties
my $RFC2253_ESC = 1; # Character escaped with \
my $ESC_CTRL = 2; # Escaped control character
# These are used with RFC1779 quoting using "
my $NOESC_QUOTE = 8; # Not escaped if quoted
my $PSTRING_CHAR = 0x10; # Valid PrintableString character
my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character
my $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character
my $RFC2254_ESC = 0x400; # Character escaped \XX
my $HOST_ANY = 0x1000; # Valid hostname character anywhere in label
my $HOST_DOT = 0x2000; # Dot: hostname label separator
my $HOST_HYPHEN = 0x4000; # Hyphen: not valid at start or end.
my $HOST_WILD = 0x8000; # Wildcard character
for($i = 0; $i < 128; $i++) {
# Set the RFC2253 escape characters (control)
$arr[$i] = 0;
if(($i < 32) || ($i > 126)) {
$arr[$i] |= $ESC_CTRL;
}
# Some PrintableString characters
if( ( ( $i >= ord("a")) && ( $i <= ord("z")) )
|| ( ( $i >= ord("A")) && ( $i <= ord("Z")) )
|| ( ( $i >= ord("0")) && ( $i <= ord("9")) ) ) {
$arr[$i] |= $PSTRING_CHAR | $HOST_ANY;
}
}
# Now setup the rest
# Remaining RFC2253 escaped characters
$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC;
$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC;
$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC;
$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC;
$arr[ord("\"")] |= $RFC2253_ESC;
$arr[ord("\\")] |= $RFC2253_ESC;
$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC;
$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC;
$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC;
# Remaining RFC2254 characters
$arr[0] |= $RFC2254_ESC;
$arr[ord("(")] |= $RFC2254_ESC;
$arr[ord(")")] |= $RFC2254_ESC;
$arr[ord("*")] |= $RFC2254_ESC | $HOST_WILD;
$arr[ord("\\")] |= $RFC2254_ESC;
# Remaining PrintableString characters
$arr[ord(" ")] |= $PSTRING_CHAR;
$arr[ord("'")] |= $PSTRING_CHAR;
$arr[ord("(")] |= $PSTRING_CHAR;
$arr[ord(")")] |= $PSTRING_CHAR;
$arr[ord("+")] |= $PSTRING_CHAR;
$arr[ord(",")] |= $PSTRING_CHAR;
$arr[ord("-")] |= $PSTRING_CHAR | $HOST_HYPHEN;
$arr[ord(".")] |= $PSTRING_CHAR | $HOST_DOT;
$arr[ord("/")] |= $PSTRING_CHAR;
$arr[ord(":")] |= $PSTRING_CHAR;
$arr[ord("=")] |= $PSTRING_CHAR;
$arr[ord("?")] |= $PSTRING_CHAR;
# Now generate the C code
# Year the file was generated.
my $YEAR = OpenSSL::copyright::year_of($0);
print <<EOF;
/*
* WARNING: do not edit!
* Generated by crypto/asn1/charmap.pl
*
* Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#define CHARTYPE_HOST_ANY $HOST_ANY
#define CHARTYPE_HOST_DOT $HOST_DOT
#define CHARTYPE_HOST_HYPHEN $HOST_HYPHEN
#define CHARTYPE_HOST_WILD $HOST_WILD
/*
* Mask of various character properties
*/
static const unsigned short char_type[] = {
EOF
print " ";
for($i = 0; $i < 128; $i++) {
print("\n ") if($i && (($i % 12) == 0));
printf(" %4d", $arr[$i]);
print(",") if ($i != 127);
}
print("\n};\n");
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