diff options
Diffstat (limited to 'scripts/external_libs/dpkt-1.8.6/dpkt/arp.py')
| -rw-r--r-- | scripts/external_libs/dpkt-1.8.6/dpkt/arp.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/arp.py b/scripts/external_libs/dpkt-1.8.6/dpkt/arp.py new file mode 100644 index 00000000..6e742ee1 --- /dev/null +++ b/scripts/external_libs/dpkt-1.8.6/dpkt/arp.py @@ -0,0 +1,31 @@ +# $Id: arp.py 23 2006-11-08 15:45:33Z dugsong $ + +"""Address Resolution Protocol.""" + +import dpkt + +# Hardware address format +ARP_HRD_ETH = 0x0001 # ethernet hardware +ARP_HRD_IEEE802 = 0x0006 # IEEE 802 hardware + +# Protocol address format +ARP_PRO_IP = 0x0800 # IP protocol + +# ARP operation +ARP_OP_REQUEST = 1 # request to resolve ha given pa +ARP_OP_REPLY = 2 # response giving hardware address +ARP_OP_REVREQUEST = 3 # request to resolve pa given ha +ARP_OP_REVREPLY = 4 # response giving protocol address + +class ARP(dpkt.Packet): + __hdr__ = ( + ('hrd', 'H', ARP_HRD_ETH), + ('pro', 'H', ARP_PRO_IP), + ('hln', 'B', 6), # hardware address length + ('pln', 'B', 4), # protocol address length + ('op', 'H', ARP_OP_REQUEST), + ('sha', '6s', ''), + ('spa', '4s', ''), + ('tha', '6s', ''), + ('tpa', '4s', '') + ) |