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/lib/racket/l3/ipv6.rb

https://bitbucket.org/jrossi/metasploit
Ruby | 66 lines | 23 code | 3 blank | 40 comment | 0 complexity | 31761d35fb62211539e8b9c9d6b36933 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, BSD-3-Clause 
    

  1. # $Id: ipv6.rb 14 2008-03-02 05:42:30Z warchild $
    2. 

  2. #
    3. 

  3. # Copyright (c) 2008, Jon Hart 
    4. 

  4. # All rights reserved.
    5. 

  5. # 
    6. 

  6. # Redistribution and use in source and binary forms, with or without
    7. 

  7. # modification, are permitted provided that the following conditions are met:
    8. 

  8. #     * Redistributions of source code must retain the above copyright
    9. 

  9. #       notice, this list of conditions and the following disclaimer.
    10. 

  10. #     * Redistributions in binary form must reproduce the above copyright
    11. 

  11. #       notice, this list of conditions and the following disclaimer in the
    12. 

  12. #       documentation and/or other materials provided with the distribution.
    13. 

  13. #     * Neither the name of the <organization> nor the
    14. 

  14. #       names of its contributors may be used to endorse or promote products
    15. 

  15. #       derived from this software without specific prior written permission.
    16. 

  16. # 
    17. 

  17. # THIS SOFTWARE IS PROVIDED BY Jon Hart ``AS IS'' AND ANY
    18. 

  18. # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    19. 

  19. # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    20. 

  20. # DISCLAIMED. IN NO EVENT SHALL Jon Hart BE LIABLE FOR ANY
    21. 

  21. # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    22. 

  22. # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    23. 

  23. # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    24. 

  24. # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    25. 

  25. # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    26. 

  26. # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    27. 

  27. #
    28. 

  28. module Racket
    29. 

  29. module L3
    30. 

  30. # Internet Protocol Version 6 (IPV6)
    31. 

  31. # RFC2460
    32. 

  32. class IPv6 < RacketPart
    33. 

  33.   # IP Version (defaults to 6)
    34. 

  34.   unsigned :version, 4, { :default => 6 }
    35. 

  35.   # Traffic class
    36. 

  36.   unsigned :tclass, 8
    37. 

  37.   # Flow label
    38. 

  38.   unsigned :flow, 20
    39. 

  39.   # Payload length
    40. 

  40.   unsigned :plen, 16
    41. 

  41.   # Next header type
    42. 

  42.   unsigned :nhead, 8
    43. 

  43.   # Hop limit
    44. 

  44.   unsigned :ttl, 8, { :default => 200 }
    45. 

  45.   # Source IP address.  Must be passed as an integer
    46. 

  46.   unsigned :src_ip, 128
    47. 

  47.   # Destination IP address.  Must be passed as an integer
    48. 

  48.   unsigned :dst_ip, 128
    49. 

  49.   # Payload
    50. 

  50.   rest :payload
    51. 

  51. 

  52.   def initialize(*args)
    53. 

  53.     @headers = []
    54. 

  54.     super
    55. 

  55.     @autofix = true
    56. 

  56.   end
    57. 

  57. 

  58.   # Adjust plen to match the payload
    59. 

  59.   def fix!
    60. 

  60.     self.plen = self.payload.length
    61. 

  61.   end
    62. 

  62. 

  63. end
    64. 

  64. end
    65. 

  65. end
    66. 

  66. # vim: set ts=2 et sw=2:
    67. 

  67.