mirror of
				https://github.com/ossrs/srs.git
				synced 2025-03-09 15:49:59 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			119 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
| #! /usr/bin/env perl
 | |
| # Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.
 | |
| #
 | |
| # Licensed under the OpenSSL license (the "License").  You may not use
 | |
| # this file except in compliance with the License.  You can obtain a copy
 | |
| # in the file LICENSE in the source distribution or at
 | |
| # https://www.openssl.org/source/license.html
 | |
| 
 | |
| 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
 | |
| my $RFC2254_ESC = 0x400;	# Character escaped \XX
 | |
| my $HOST_ANY = 0x1000;      # Valid hostname character anywhere in label
 | |
| my $HOST_DOT = 0x2000;  # Dot: hostname label separator
 | |
| my $HOST_HYPHEN = 0x4000; # Hyphen: not valid at start or end.
 | |
| my $HOST_WILD = 0x8000; # Wildcard character
 | |
| 
 | |
| for($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 | $HOST_ANY;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| # 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 RFC2254 characters
 | |
| 
 | |
| $arr[0] |= $RFC2254_ESC;
 | |
| $arr[ord("(")] |= $RFC2254_ESC;
 | |
| $arr[ord(")")] |= $RFC2254_ESC;
 | |
| $arr[ord("*")] |= $RFC2254_ESC | $HOST_WILD;
 | |
| $arr[ord("\\")] |= $RFC2254_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 | $HOST_HYPHEN;
 | |
| $arr[ord(".")] |= $PSTRING_CHAR | $HOST_DOT;
 | |
| $arr[ord("/")] |= $PSTRING_CHAR;
 | |
| $arr[ord(":")] |= $PSTRING_CHAR;
 | |
| $arr[ord("=")] |= $PSTRING_CHAR;
 | |
| $arr[ord("?")] |= $PSTRING_CHAR;
 | |
| 
 | |
| # Now generate the C code
 | |
| 
 | |
| # Output year depends on the year of the script.
 | |
| my $YEAR = [localtime([stat($0)]->[9])]->[5] + 1900;
 | |
| print <<EOF;
 | |
| /*
 | |
|  * WARNING: do not edit!
 | |
|  * Generated by crypto/asn1/charmap.pl
 | |
|  *
 | |
|  * Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved.
 | |
|  *
 | |
|  * Licensed under the OpenSSL license (the "License").  You may not use
 | |
|  * this file except in compliance with the License.  You can obtain a copy
 | |
|  * in the file LICENSE in the source distribution or at
 | |
|  * https://www.openssl.org/source/license.html
 | |
|  */
 | |
| 
 | |
| #define CHARTYPE_HOST_ANY $HOST_ANY
 | |
| #define CHARTYPE_HOST_DOT $HOST_DOT
 | |
| #define CHARTYPE_HOST_HYPHEN $HOST_HYPHEN
 | |
| #define CHARTYPE_HOST_WILD $HOST_WILD
 | |
| 
 | |
| /*
 | |
|  * Mask of various character properties
 | |
|  */
 | |
| 
 | |
| static const unsigned short char_type[] = {
 | |
| EOF
 | |
| 
 | |
| print "   ";
 | |
| for($i = 0; $i < 128; $i++) {
 | |
| 	print("\n   ") if($i && (($i % 12) == 0));
 | |
| 	printf(" %4d", $arr[$i]);
 | |
| 	print(",") if ($i != 127);
 | |
| }
 | |
| print("\n};\n");
 | |
| 
 |