lib/hx509/quote.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Copyright (c) 2010 Kungliga Tekniska Högskolan
   5 # (Royal Institute of Technology, Stockholm, Sweden).
   6 # All rights reserved.
   7 #
   8 # Redistribution and use in source and binary forms, with or without
   9 # modification, are permitted provided that the following conditions
  10 # are met:
  11 #
  12 # 1. Redistributions of source code must retain the above copyright
  13 #    notice, this list of conditions and the following disclaimer.
  14 #
  15 # 2. Redistributions in binary form must reproduce the above copyright
  16 #    notice, this list of conditions and the following disclaimer in the
  17 #    documentation and/or other materials provided with the distribution.
  18 #
  19 # 3. Neither the name of the Institute nor the names of its contributors
  20 #    may be used to endorse or promote products derived from this software
  21 #    without specific prior written permission.
  22 #
  23 # THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26 # ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33 # SUCH DAMAGE.
  34 #
  35
  36 CONTROL_CHAR = 1
  37 PRINTABLE = 2
  38 RFC2253_QUOTE_FIRST = 4
  39 RFC2253_QUOTE_LAST = 8
  40 RFC2253_QUOTE = 16
  41 RFC2253_HEX = 32
  42
  43 chars = []
  44
  45 for i in range(0, 256):
  46     chars.append(0);
  47
  48 for i in range(0, 256):
  49     if (i < 32 or i > 126):
  50         chars[i] |= CONTROL_CHAR | RFC2253_HEX;
  51
  52 for i in range(ord("A"), ord("Z") + 1):
  53     chars[i] |= PRINTABLE
  54 for i in range(ord("a"), ord("z") + 1):
  55     chars[i] |= PRINTABLE
  56 for i in range(ord("0"), ord("9") + 1):
  57     chars[i] |= PRINTABLE
  58
  59 chars[ord(' ')] |= PRINTABLE
  60 chars[ord('+')] |= PRINTABLE
  61 chars[ord(',')] |= PRINTABLE
  62 chars[ord('-')] |= PRINTABLE
  63 chars[ord('.')] |= PRINTABLE
  64 chars[ord('/')] |= PRINTABLE
  65 chars[ord(':')] |= PRINTABLE
  66 chars[ord('=')] |= PRINTABLE
  67 chars[ord('?')] |= PRINTABLE
  68
  69 chars[ord(' ')] |= RFC2253_QUOTE_FIRST | RFC2253_QUOTE_FIRST
  70
  71 chars[ord(',')] |= RFC2253_QUOTE
  72 chars[ord('=')] |= RFC2253_QUOTE
  73 chars[ord('+')] |= RFC2253_QUOTE
  74 chars[ord('<')] |= RFC2253_QUOTE
  75 chars[ord('>')] |= RFC2253_QUOTE
  76 chars[ord('#')] |= RFC2253_QUOTE
  77 chars[ord(';')] |= RFC2253_QUOTE
  78
  79 print "#define Q_CONTROL_CHAR           1"
  80 print "#define Q_PRINTABLE              2"
  81 print "#define Q_RFC2253_QUOTE_FIRST    4"
  82 print "#define Q_RFC2253_QUOTE_LAST     8"
  83 print "#define Q_RFC2253_QUOTE          16"
  84 print "#define Q_RFC2253_HEX            32"
  85 print ""
  86 print "#define Q_RFC2253                (Q_RFC2253_QUOTE_FIRST|Q_RFC2253_QUOTE_LAST|Q_RFC2253_QUOTE|Q_RFC2253_HEX)"
  87 print "\n" * 2
  88
  89
  90
  91
  92 print "unsigned char char_map[] = {\n\t",
  93 for x in range(0, 256):
  94     if (x % 8) == 0 and x != 0:
  95         print "\n\t",
  96     print "0x%(char)02x" % { 'char' : chars[x] },
  97     if x < 255:
  98         print ", ",
  99     else:
 100         print ""
 101 print "};"