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2017-02-25 23:55:24 +01:00
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openssl-1.0.2f/crypto/asn1/charmap.pl Normal file
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#!/usr/local/bin/perl -w
# Written by Dr Stephen N Henson (steve@openssl.org).
# Licensed under the terms of the OpenSSL license.
use strict;
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 $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character
for($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;
}
}
# 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 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;
$arr[ord(".")] |= $PSTRING_CHAR;
$arr[ord("/")] |= $PSTRING_CHAR;
$arr[ord(":")] |= $PSTRING_CHAR;
$arr[ord("=")] |= $PSTRING_CHAR;
$arr[ord("?")] |= $PSTRING_CHAR;
# Now generate the C code
print <<EOF;
/* Auto generated with chartype.pl script.
* Mask of various character properties
*/
static unsigned char char_type[] = {
EOF
for($i = 0; $i < 128; $i++) {
print("\n") if($i && (($i % 16) == 0));
printf("%2d", $arr[$i]);
print(",") if ($i != 127);
}
print("\n};\n\n");