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83 lines
2.2 KiB
83 lines
2.2 KiB
#!/usr/local/bin/perl -w |
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# Written by Dr Stephen N Henson (steve@openssl.org). |
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# Licensed under the terms of the OpenSSL license. |
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use strict; |
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my ($i, @arr); |
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# Set up an array with the type of ASCII characters |
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# Each set bit represents a character property. |
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# RFC2253 character properties |
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my $RFC2253_ESC = 1; # Character escaped with \ |
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my $ESC_CTRL = 2; # Escaped control character |
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# These are used with RFC1779 quoting using " |
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my $NOESC_QUOTE = 8; # Not escaped if quoted |
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my $PSTRING_CHAR = 0x10; # Valid PrintableString character |
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my $RFC2253_FIRST_ESC = 0x20; # Escaped with \ if first character |
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my $RFC2253_LAST_ESC = 0x40; # Escaped with \ if last character |
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for($i = 0; $i < 128; $i++) { |
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# Set the RFC2253 escape characters (control) |
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$arr[$i] = 0; |
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if(($i < 32) || ($i > 126)) { |
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$arr[$i] |= $ESC_CTRL; |
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} |
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# Some PrintableString characters |
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if( ( ( $i >= ord("a")) && ( $i <= ord("z")) ) |
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|| ( ( $i >= ord("A")) && ( $i <= ord("Z")) ) |
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|| ( ( $i >= ord("0")) && ( $i <= ord("9")) ) ) { |
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$arr[$i] |= $PSTRING_CHAR; |
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} |
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} |
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# Now setup the rest |
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# Remaining RFC2253 escaped characters |
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$arr[ord(" ")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC | $RFC2253_LAST_ESC; |
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$arr[ord("#")] |= $NOESC_QUOTE | $RFC2253_FIRST_ESC; |
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$arr[ord(",")] |= $NOESC_QUOTE | $RFC2253_ESC; |
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$arr[ord("+")] |= $NOESC_QUOTE | $RFC2253_ESC; |
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$arr[ord("\"")] |= $RFC2253_ESC; |
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$arr[ord("\\")] |= $RFC2253_ESC; |
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$arr[ord("<")] |= $NOESC_QUOTE | $RFC2253_ESC; |
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$arr[ord(">")] |= $NOESC_QUOTE | $RFC2253_ESC; |
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$arr[ord(";")] |= $NOESC_QUOTE | $RFC2253_ESC; |
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# Remaining PrintableString characters |
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$arr[ord(" ")] |= $PSTRING_CHAR; |
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$arr[ord("'")] |= $PSTRING_CHAR; |
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$arr[ord("(")] |= $PSTRING_CHAR; |
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$arr[ord(")")] |= $PSTRING_CHAR; |
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$arr[ord("+")] |= $PSTRING_CHAR; |
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$arr[ord(",")] |= $PSTRING_CHAR; |
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$arr[ord("-")] |= $PSTRING_CHAR; |
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$arr[ord(".")] |= $PSTRING_CHAR; |
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$arr[ord("/")] |= $PSTRING_CHAR; |
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$arr[ord(":")] |= $PSTRING_CHAR; |
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$arr[ord("=")] |= $PSTRING_CHAR; |
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$arr[ord("?")] |= $PSTRING_CHAR; |
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# Now generate the C code |
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print <<EOF; |
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/* Auto generated with chartype.pl script. |
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* Mask of various character properties |
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*/ |
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static unsigned char char_type[] = { |
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EOF |
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for($i = 0; $i < 128; $i++) { |
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print("\n") if($i && (($i % 16) == 0)); |
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printf("%2d", $arr[$i]); |
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print(",") if ($i != 127); |
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} |
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print("\n};\n\n"); |
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