2 # Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
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
13 # Set up an array with the type of ASCII characters
14 # Each set bit represents a character property.
16 # RFC2253 character properties
17 my $RFC2253_ESC = 1; # Character escaped with \
18 my $ESC_CTRL = 2; # Escaped control character
19 # These are used with RFC1779 quoting using "
20 my $NOESC_QUOTE = 8; # Not escaped if quoted
21 my $PSTRING_CHAR = 0x10; # Valid PrintableString character
22 my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character
23 my $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character
25 for($i = 0; $i < 128; $i++) {
26 # Set the RFC2253 escape characters (control)
28 if(($i < 32) || ($i > 126)) {
29 $arr[$i] |= $ESC_CTRL;
32 # Some PrintableString characters
33 if( ( ( $i >= ord("a")) && ( $i <= ord("z")) )
34 || ( ( $i >= ord("A")) && ( $i <= ord("Z")) )
35 || ( ( $i >= ord("0")) && ( $i <= ord("9")) ) ) {
36 $arr[$i] |= $PSTRING_CHAR;
42 # Remaining RFC2253 escaped characters
44 $arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC;
45 $arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC;
47 $arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC;
48 $arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC;
49 $arr[ord("\"")] |= $RFC2253_ESC;
50 $arr[ord("\\")] |= $RFC2253_ESC;
51 $arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC;
52 $arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC;
53 $arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC;
55 # Remaining PrintableString characters
57 $arr[ord(" ")] |= $PSTRING_CHAR;
58 $arr[ord("'")] |= $PSTRING_CHAR;
59 $arr[ord("(")] |= $PSTRING_CHAR;
60 $arr[ord(")")] |= $PSTRING_CHAR;
61 $arr[ord("+")] |= $PSTRING_CHAR;
62 $arr[ord(",")] |= $PSTRING_CHAR;
63 $arr[ord("-")] |= $PSTRING_CHAR;
64 $arr[ord(".")] |= $PSTRING_CHAR;
65 $arr[ord("/")] |= $PSTRING_CHAR;
66 $arr[ord(":")] |= $PSTRING_CHAR;
67 $arr[ord("=")] |= $PSTRING_CHAR;
68 $arr[ord("?")] |= $PSTRING_CHAR;
70 # Now generate the C code
73 /* Auto generated with chartype.pl script.
74 * Mask of various character properties
77 static const unsigned char char_type[] = {
80 for($i = 0; $i < 128; $i++) {
81 print("\n") if($i && (($i % 16) == 0));
82 printf("%2d", $arr[$i]);
83 print(",") if ($i != 127);