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/lib/racket/l2/ethernet.rb

https://bitbucket.org/jrossi/metasploit
Ruby | 62 lines | 26 code | 1 blank | 35 comment | 0 complexity | ff063e691a0325dfed5a4391542fd50a MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, BSD-3-Clause 
    

  1. # $Id: ethernet.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 L2
    30. 

  30. # Ethernet II (DIX v2.0)
    31. 

  31. #
    32. 

  32. # http://en.wikipedia.org/wiki/Ethernet_II_framing
    33. 

  33. class Ethernet < RacketPart
    34. 

  34.   ETHERTYPE_IPV4 = 0x0800
    35. 

  35.   ETHERTYPE_ARP = 0x0806
    36. 

  36.   ETHERTYPE_RARP = 0x8035
    37. 

  37.   ETHERTYPE_APPLETALK = 0x809b
    38. 

  38.   ETHERTYPE_AARP = 0x80f3
    39. 

  39.   ETHERTYPE_8021Q = 0x8100
    40. 

  40.   ETHERTYPE_IPX = 0x8137
    41. 

  41.   ETHERTYPE_NOVELL = 0x8138
    42. 

  42.   ETHERTYPE_IPV6 = 0x86DD
    43. 

  43.   ETHERTYPE_MPLS_UNICAST = 0x8847
    44. 

  44.   ETHERTYPE_MPLS_MULTICAST = 0x8848
    45. 

  45.   ETHERTYPE_PPPOE_DISCOVERY = 0x8863
    46. 

  46.   ETHERTYPE_PPPOE_SESSION = 0x8864
    47. 

  47.   ETHERTYPE_8021X = 0x888E
    48. 

  48.   ETHERTYPE_ATAOE = 0x88A2
    49. 

  49.   ETHERTYPE_8021AE = 0x88E5
    50. 

  50. 

  51.   # Destination MAC address
    52. 

  52.   hex_octets :dst_mac, 48
    53. 

  53.   # Source MAC address
    54. 

  54.   hex_octets :src_mac, 48
    55. 

  55.   # Protocol of payload send with this ethernet datagram.  Defaults to IPV4
    56. 

  56.   unsigned :ethertype, 16, { :default => ETHERTYPE_IPV4 }
    57. 

  57.   # Payload
    58. 

  58.   rest :payload
    59. 

  59. end
    60. 

  60. end
    61. 

  61. end
    62. 

  62. #set ts=2 et sw=2: vim
    63. 

  63.