diff options
Diffstat (limited to 'openssl/crypto/asn1/charmap.pl')
| -rw-r--r-- | openssl/crypto/asn1/charmap.pl | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/charmap.pl b/openssl/crypto/asn1/charmap.pl new file mode 100644 index 000000000..2875c5986 --- /dev/null +++ b/openssl/crypto/asn1/charmap.pl @@ -0,0 +1,80 @@ +#!/usr/local/bin/perl -w + +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"); + |