1#! /usr/bin/env perl 2# Copyright 2000-2022 The OpenSSL Project Authors. All Rights Reserved. 3# 4# Licensed under the OpenSSL license (the "License"). You may not use 5# this file except in compliance with the License. You can obtain a copy 6# in the file LICENSE in the source distribution or at 7# https://www.openssl.org/source/license.html 8 9use strict; 10use FindBin; 11use lib "$FindBin::Bin/../../util/perl"; 12use OpenSSL::copyright; 13 14my ($i, @arr); 15 16# Set up an array with the type of ASCII characters 17# Each set bit represents a character property. 18 19# RFC2253 character properties 20my $RFC2253_ESC = 1; # Character escaped with \ 21my $ESC_CTRL = 2; # Escaped control character 22# These are used with RFC1779 quoting using " 23my $NOESC_QUOTE = 8; # Not escaped if quoted 24my $PSTRING_CHAR = 0x10; # Valid PrintableString character 25my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character 26my $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character 27my $RFC2254_ESC = 0x400; # Character escaped \XX 28my $HOST_ANY = 0x1000; # Valid hostname character anywhere in label 29my $HOST_DOT = 0x2000; # Dot: hostname label separator 30my $HOST_HYPHEN = 0x4000; # Hyphen: not valid at start or end. 31my $HOST_WILD = 0x8000; # Wildcard character 32 33for($i = 0; $i < 128; $i++) { 34 # Set the RFC2253 escape characters (control) 35 $arr[$i] = 0; 36 if(($i < 32) || ($i > 126)) { 37 $arr[$i] |= $ESC_CTRL; 38 } 39 40 # Some PrintableString characters 41 if( ( ( $i >= ord("a")) && ( $i <= ord("z")) ) 42 || ( ( $i >= ord("A")) && ( $i <= ord("Z")) ) 43 || ( ( $i >= ord("0")) && ( $i <= ord("9")) ) ) { 44 $arr[$i] |= $PSTRING_CHAR | $HOST_ANY; 45 } 46} 47 48# Now setup the rest 49 50# Remaining RFC2253 escaped characters 51 52$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC; 53$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC; 54 55$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC; 56$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC; 57$arr[ord("\"")] |= $RFC2253_ESC; 58$arr[ord("\\")] |= $RFC2253_ESC; 59$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC; 60$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC; 61$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC; 62 63# Remaining RFC2254 characters 64 65$arr[0] |= $RFC2254_ESC; 66$arr[ord("(")] |= $RFC2254_ESC; 67$arr[ord(")")] |= $RFC2254_ESC; 68$arr[ord("*")] |= $RFC2254_ESC | $HOST_WILD; 69$arr[ord("\\")] |= $RFC2254_ESC; 70 71# Remaining PrintableString characters 72 73$arr[ord(" ")] |= $PSTRING_CHAR; 74$arr[ord("'")] |= $PSTRING_CHAR; 75$arr[ord("(")] |= $PSTRING_CHAR; 76$arr[ord(")")] |= $PSTRING_CHAR; 77$arr[ord("+")] |= $PSTRING_CHAR; 78$arr[ord(",")] |= $PSTRING_CHAR; 79$arr[ord("-")] |= $PSTRING_CHAR | $HOST_HYPHEN; 80$arr[ord(".")] |= $PSTRING_CHAR | $HOST_DOT; 81$arr[ord("/")] |= $PSTRING_CHAR; 82$arr[ord(":")] |= $PSTRING_CHAR; 83$arr[ord("=")] |= $PSTRING_CHAR; 84$arr[ord("?")] |= $PSTRING_CHAR; 85 86# Now generate the C code 87 88# Year the file was generated. 89my $YEAR = OpenSSL::copyright::year_of($0); 90print <<EOF; 91/* 92 * WARNING: do not edit! 93 * Generated by crypto/asn1/charmap.pl 94 * 95 * Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved. 96 * 97 * Licensed under the OpenSSL license (the "License"). You may not use 98 * this file except in compliance with the License. You can obtain a copy 99 * in the file LICENSE in the source distribution or at 100 * https://www.openssl.org/source/license.html 101 */ 102 103#define CHARTYPE_HOST_ANY $HOST_ANY 104#define CHARTYPE_HOST_DOT $HOST_DOT 105#define CHARTYPE_HOST_HYPHEN $HOST_HYPHEN 106#define CHARTYPE_HOST_WILD $HOST_WILD 107 108/* 109 * Mask of various character properties 110 */ 111 112static const unsigned short char_type[] = { 113EOF 114 115print " "; 116for($i = 0; $i < 128; $i++) { 117 print("\n ") if($i && (($i % 12) == 0)); 118 printf(" %4d", $arr[$i]); 119 print(",") if ($i != 127); 120} 121print("\n};\n"); 122 123