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lero/send dhcp packet with null hostname

Created September 9, 2019 10:39
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send dhcp packet with null hostname
#!/usr/bin/env python
from scapy.all import *
conf.checkIPaddr=False
# configuration
localiface = 'eno1'
requestMAC = 'ac:16:2d:ab:14:98'
myhostname = '\0'
localmac = get_if_hwaddr(localiface)
localmacraw = requestMAC.replace(':','').decode('hex')
# craft DHCP DISCOVER
dhcp_discover = Ether(src=localmac, dst='ff:ff:ff:ff:ff:ff')/IP(src='0.0.0.0', dst='255.255.255.255')/UDP(dport=67, sport=68)/BOOTP(chaddr=localmacraw,xid=RandInt())/DHCP(options=[('message-type', 'discover'),('hostname', myhostname), 'end'])
print dhcp_discover.display()
# send discover, wait for reply
dhcp_offer = srp1(dhcp_discover,iface=localiface)
print dhcp_offer.display()
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