def preparePacket(xid=None,
giaddr='0.0.0.0',
chaddr='00:00:00:00:00:00',
ciaddr='0.0.0.0',
msgtype='discover',
required_opts=[]):
req = DhcpPacket()
req.SetOption('op', [1])
req.SetOption('htype', [1])
req.SetOption('hlen', [6])
req.SetOption('hops', [0])
if not xid: xid = genxid()
req.SetOption('xid', xid)
req.SetOption('giaddr', ipv4(giaddr).list())
req.SetOption('chaddr', hwmac(chaddr).list() + [0] * 10)
req.SetOption('ciaddr', ipv4(ciaddr).list())
if msgtype == 'request':
mt = 3
elif msgtype == 'release':
mt = 7
else:
mt = 1
req.SetOption('dhcp_message_type', [mt])
# req.SetOption('parameter_request_list',1)
return req
def create_packet(self, mt, chaddr, ciaddr, yiaddr, xid, server):
req = DhcpPacket()
req.SetOption('op', [1])
req.SetOption('htype',[1])
req.SetOption('hlen',[6])
req.SetOption('hops', [0])
req.SetOption('xid', xid)
req.SetOption('giaddr', ipv4().list())
req.SetOption('chaddr', hwmac(chaddr).list() + [0] * 10)
req.SetOption('ciaddr', ipv4(ciaddr).list())
if mt == DHCPRequest:
req.SetOption('yiaddr', ipv4(yiaddr).list())
req.SetOption('request_ip_address', ipv4(yiaddr).list())
if mt == DHCPRelease:
req.SetOption('siaddr', server)
req.SetOption('server_identifier', ipv4(server).list())
if server == '255.255.255.255':
req.SetOption('flags', [128, 0])
req.SetOption('dhcp_message_type',[mt])
req.SetOption("domain_name", strlist("catdamnit.com").list())
return req
def HandleDhcpRequest(self, packet):
print 'New Request: ' + ipv4(
packet.GetOption('request_ip_address')).str()
print strlist(packet.GetOption('host_name'))
print hwmac(packet.GetHardwareAddress())
print ipv4(packet.GetOption('request_ip_address'))
time = strftime("%H:%M:%S", gmtime())
date = strftime("%Y-%m-%d", gmtime())
cur.execute("INSERT INTO data(name,mac,ip,date,time) VALUES ('" +
strlist(packet.GetOption('host_name')).str() + "','" +
hwmac(packet.GetHardwareAddress()).str() + "','" +
ipv4(packet.GetOption('request_ip_address')).str() +
"','" + date + "','" + time + "');")
print "INSERT INTO data(name,mac,ip,date,time) VALUES ('" + strlist(
packet.GetOption('host_name')).str() + "','" + hwmac(
packet.GetHardwareAddress()).str() + "','" + ipv4(
packet.GetOption('request_ip_address')).str(
) + "','" + date + "','" + time + "');"
conn.commit()
def prepare_packet(giaddr='0.0.0.0', chaddr='00:00:00:00:00:00',
ciaddr='0.0.0.0', hostname=None):
req = DhcpPacket()
req.SetOption('op', [1])
req.SetOption('htype', [1])
req.SetOption('hlen', [6])
req.SetOption('hops', [0])
req.SetOption('xid', genxid())
req.SetOption('giaddr', ipv4(giaddr).list())
req.SetOption('chaddr', hwmac(chaddr).list() + [0] * 10)
req.SetOption('ciaddr', ipv4('0.0.0.0').list())
req.SetOption('dhcp_message_type', [3]) # request
req.SetOption('request_ip_address', ipv4(ciaddr).list())
if hostname:
req.SetOption('host_name', strlist(hostname).list())
return req
def prepare_packet(giaddr='0.0.0.0',
chaddr='00:00:00:00:00:00',
ciaddr='0.0.0.0',
hostname=None):
req = DhcpPacket()
req.SetOption('op', [1])
req.SetOption('htype', [1])
req.SetOption('hlen', [6])
req.SetOption('hops', [0])
req.SetOption('xid', genxid())
req.SetOption('giaddr', ipv4(giaddr).list())
req.SetOption('chaddr', hwmac(chaddr).list() + [0] * 10)
req.SetOption('ciaddr', ipv4('0.0.0.0').list())
req.SetOption('dhcp_message_type', [3]) # request
req.SetOption('request_ip_address', ipv4(ciaddr).list())
if hostname:
req.SetOption('host_name', strlist(hostname).list())
return req
def preparePacket(xid=None,giaddr='0.0.0.0',chaddr='00:00:00:00:00:00',ciaddr='0.0.0.0',msgtype='discover',required_opts=[]):
req = DhcpPacket()
req.SetOption('op',[1])
req.SetOption('htype',[1])
req.SetOption('hlen',[6])
req.SetOption('hops',[0])
if not xid: xid = genxid()
req.SetOption('xid',xid)
req.SetOption('giaddr',ipv4(giaddr).list())
req.SetOption('chaddr',hwmac(chaddr).list() + [0] * 10)
req.SetOption('ciaddr',ipv4(ciaddr).list())
if msgtype == 'request':
mt = 3
elif msgtype == 'release':
mt = 7
else:
mt = 1
req.SetOption('dhcp_message_type',[mt])
# req.SetOption('parameter_request_list',1)
return req
def preparePacket(xid=None,giaddr='0.0.0.0',chaddr='00:00:00:00:00:00',ciaddr='0.0.0.0', yiaddr='0.0.0.0', msgtype='discover'):
req = DhcpPacket()
req.SetOption('op',[1])
req.SetOption('htype',[1])
req.SetOption('hlen',[6])
req.SetOption('hops',[0])
req.SetOption('xid',xid)
req.SetOption('giaddr',ipv4(giaddr).list())
req.SetOption('chaddr',hwmac(chaddr).list() + [0] * 10)
req.SetOption('ciaddr',ipv4(ciaddr).list())
if msgtype == 'request':
mt = 3
elif msgtype == 'release':
mt = 7
else:
mt = 1
if mt == 3:
req.SetOption('yiaddr', ipv4(yiaddr).list())
req.SetOption('request_ip_address', ipv4(yiaddr).list())
req.SetOption('dhcp_message_type',[mt])
return req
def main():
parser = OptionParser()
parser.add_option("-s","--server", dest="server", default='0.0.0.0', help="DHCP server IP (default %default)")
parser.add_option("-p","--port", type="int", dest="port", default=67, help="DHCP server port (default (%default)")
parser.add_option("-m","--mac","--chaddr", dest="chaddr", help="chaddr: Client's MAC address, default random")
parser.add_option("-c","--ciaddr", dest="ciaddr", default='0.0.0.0', help="ciaddr: Client's desired IP address")
parser.add_option("-g","--giaddr", dest="giaddr", default='0.0.0.0', help="giaddr: Gateway IP address (if any)")
parser.add_option("-t","--type", dest="msgtype", type="choice", choices=["discover","request","release"],
default="discover", help="DHCP message type: discover, request, release (default %default)")
parser.add_option("-w","--timeout", dest="timeout", type="int", default=4, help="UDP timeout (default %default)")
parser.add_option("-r","--require", action="append", type="int", default=[1,3,6,51], dest="required_opts", help="Require options by its number")
parser.add_option("-y","--cycle", action="store_true", dest="docycle", help="Do full cycle: DISCOVERY, REQUEST, RELEASE")
parser.add_option("-n","--cycles", dest="cycles", type="int", default="1", help="Do number of cycles (default %default)")
parser.add_option("-v","--verbose", action="store_true", dest="verbose", help="Verbose operation")
parser.add_option("-q","--quiet", action="store_false", dest="verbose", help="Quiet operation")
parser.add_option("--nagios", action="store_true", dest="nagios", help="Nagios mode of operation")
(opts, args) = parser.parse_args()
if not opts.chaddr:
chaddr = genmac()
else:
chaddr = opts.chaddr
if opts.nagios: opts.verbose = False
verbose = opts.verbose
if opts.docycle:
request_dhcp_message_type = "discover"
else:
request_dhcp_message_type = opts.msgtype
request_ciaddr = opts.ciaddr
serverip = opts.server
cycleno = 1
xid = genxid()
while True:
if opts.cycles > 1 and opts.verbose is not False and (not opts.docycle or request_dhcp_message_type == "discover"):
print "="*100
print "| Cycle %s"%cycleno
print "="*100
req = preparePacket(xid=xid, giaddr=opts.giaddr, chaddr=chaddr, ciaddr=request_ciaddr, msgtype=request_dhcp_message_type, required_opts=opts.required_opts)
if verbose != False:
print "Sending %s [%s] packet to %s"%(request_dhcp_message_type.upper(),chaddr, opts.server)
if verbose == True:
print "-"*100
#req.PrintHeaders()
#req.PrintOptions()
print "="*100
print "\n"
try:
res = receivePacket(serverip=serverip, serverport=opts.port, timeout=opts.timeout, req=req)
except socket.timeout:
res = None
if opts.nagios: nagiosExit(2,"%s request has been timed out."%request_dhcp_message_type.upper())
if verbose != False: print "Timed out."
pass
if res:
dhcp_message_type = res.GetOption('dhcp_message_type')[0]
server_identifier = ipv4(res.GetOption('server_identifier'))
chaddr = hwmac(res.GetOption('chaddr')[:6])
yiaddr = ipv4(res.GetOption('yiaddr'))
if opts.nagios and dhcp_message_type not in (2, 5):
nagiosExit(2,"Got %s response for our %s request"%(dhcpTypes.get(dhcp_message_type,'UNKNOWN'),dhcpTypes.get(request_dhcp_message_type,'UNKNOWN')))
if verbose != False:
print "Received %s packet from %s; [%s] was bound to %s"%(dhcpTypes.get(dhcp_message_type,'UNKNOWN'), server_identifier, chaddr, yiaddr )
if verbose == True:
print "-"*100
res.PrintHeaders()
res.PrintOptions()
print "="*100
print "\n"
if opts.docycle:
if dhcp_message_type == 2:
request_dhcp_message_type = 'request'
request_ciaddr = yiaddr.str()
serverip = server_identifier.str()
continue
if dhcp_message_type == 5:
request_dhcp_message_type = 'release'
request_ciaddr = yiaddr.str()
serverip = server_identifier.str()
continue
cycleno += 1
if cycleno > opts.cycles:
if opts.nagios:
if res:
nagiosExit(0,"%s finished successfully: %s. yiaddr: %s, chaddr: %s"%(
request_dhcp_message_type.upper(),
dhcpTypes.get(dhcp_message_type,'UNKNOWN'),
yiaddr,
chaddr,
))
elif opts.docycle:
nagiosExit(0,"Cycle has been finished successfully. Got %s for %s"%(yiaddr,chaddr))
else:
nagiosExit(0,"%s has been finished without the answer"%(request_dhcp_message_type.upper()))
break
if opts.docycle:
request_dhcp_message_type = "discover"
request_ciaddr = opts.ciaddr
serverip = opts.server
xid = genxid()
if not opts.chaddr:
chaddr = genmac()
else:
chaddr = opts.chaddr
def main():
parser = OptionParser()
parser.add_option("-s",
"--server",
dest="server",
default='0.0.0.0',
help="DHCP server IP (default %default)")
parser.add_option("-p",
"--port",
type="int",
dest="port",
default=67,
help="DHCP server port (default (%default)")
parser.add_option("-m",
"--mac",
"--chaddr",
dest="chaddr",
help="chaddr: Client's MAC address, default random")
parser.add_option("-c",
"--ciaddr",
dest="ciaddr",
default='0.0.0.0',
help="ciaddr: Client's desired IP address")
parser.add_option("-g",
"--giaddr",
dest="giaddr",
default='0.0.0.0',
help="giaddr: Gateway IP address (if any)")
parser.add_option(
"-t",
"--type",
dest="msgtype",
type="choice",
choices=["discover", "request", "release"],
default="discover",
help="DHCP message type: discover, request, release (default %default)"
)
parser.add_option("-w",
"--timeout",
dest="timeout",
type="int",
default=4,
help="UDP timeout (default %default)")
parser.add_option("-r",
"--require",
action="append",
type="int",
default=[1, 3, 6, 51],
dest="required_opts",
help="Require options by its number")
parser.add_option("-y",
"--cycle",
action="store_true",
dest="docycle",
help="Do full cycle: DISCOVERY, REQUEST, RELEASE")
parser.add_option("-n",
"--cycles",
dest="cycles",
type="int",
default="1",
help="Do number of cycles (default %default)")
parser.add_option("-v",
"--verbose",
action="store_true",
dest="verbose",
help="Verbose operation")
parser.add_option("-q",
"--quiet",
action="store_false",
dest="verbose",
help="Quiet operation")
parser.add_option("--nagios",
action="store_true",
dest="nagios",
help="Nagios mode of operation")
(opts, args) = parser.parse_args()
if not opts.chaddr:
chaddr = genmac()
else:
chaddr = opts.chaddr
if opts.nagios: opts.verbose = False
verbose = opts.verbose
if opts.docycle:
request_dhcp_message_type = "discover"
else:
request_dhcp_message_type = opts.msgtype
request_ciaddr = opts.ciaddr
serverip = opts.server
cycleno = 1
xid = genxid()
while True:
if opts.cycles > 1 and opts.verbose is not False and (
not opts.docycle or request_dhcp_message_type == "discover"):
print "=" * 100
print "| Cycle %s" % cycleno
print "=" * 100
req = preparePacket(xid=xid,
giaddr=opts.giaddr,
chaddr=chaddr,
ciaddr=request_ciaddr,
msgtype=request_dhcp_message_type,
required_opts=opts.required_opts)
if verbose != False:
print "Sending %s [%s] packet to %s" % (
request_dhcp_message_type.upper(), chaddr, opts.server)
if verbose == True:
print "-" * 100
#req.PrintHeaders()
#req.PrintOptions()
print "=" * 100
print "\n"
try:
res = receivePacket(serverip=serverip,
serverport=opts.port,
timeout=opts.timeout,
req=req)
except socket.timeout:
res = None
if opts.nagios:
nagiosExit(
2, "%s request has been timed out." %
request_dhcp_message_type.upper())
if verbose != False: print "Timed out."
pass
if res:
dhcp_message_type = res.GetOption('dhcp_message_type')[0]
server_identifier = ipv4(res.GetOption('server_identifier'))
chaddr = hwmac(res.GetOption('chaddr')[:6])
yiaddr = ipv4(res.GetOption('yiaddr'))
if opts.nagios and dhcp_message_type not in (2, 5):
nagiosExit(
2, "Got %s response for our %s request" %
(dhcpTypes.get(dhcp_message_type, 'UNKNOWN'),
dhcpTypes.get(request_dhcp_message_type, 'UNKNOWN')))
if verbose != False:
print "Received %s packet from %s; [%s] was bound to %s" % (
dhcpTypes.get(dhcp_message_type, 'UNKNOWN'),
server_identifier, chaddr, yiaddr)
if verbose == True:
print "-" * 100
res.PrintHeaders()
res.PrintOptions()
print "=" * 100
print "\n"
if opts.docycle:
if dhcp_message_type == 2:
request_dhcp_message_type = 'request'
request_ciaddr = yiaddr.str()
serverip = server_identifier.str()
continue
if dhcp_message_type == 5:
request_dhcp_message_type = 'release'
request_ciaddr = yiaddr.str()
serverip = server_identifier.str()
continue
cycleno += 1
if cycleno > opts.cycles:
if opts.nagios:
if res:
nagiosExit(
0,
"%s finished successfully: %s. yiaddr: %s, chaddr: %s"
% (
request_dhcp_message_type.upper(),
dhcpTypes.get(dhcp_message_type, 'UNKNOWN'),
yiaddr,
chaddr,
))
elif opts.docycle:
nagiosExit(
0,
"Cycle has been finished successfully. Got %s for %s" %
(yiaddr, chaddr))
else:
nagiosExit(
0, "%s has been finished without the answer" %
(request_dhcp_message_type.upper()))
break
if opts.docycle:
request_dhcp_message_type = "discover"
request_ciaddr = opts.ciaddr
serverip = opts.server
xid = genxid()
if not opts.chaddr:
chaddr = genmac()
else:
chaddr = opts.chaddr
#!/usr/bin/python
from pydhcplib.type_hw_addr import hwmac
address = hwmac()
print("a0 : ",address)
address1 = hwmac("ff:11:22:33:44:55")
print("a1 : ",address1)
address2 = hwmac("f6.16.26.36.46.56")
print("a2 : ",address2)
address3 = hwmac("ff.11-22:33-44.55")
print("a3 : ",address3)
if address1 == address2:
print("test 1 : ", address1, "==", address2)
else:
print("test 1 : " , address1, "!=", address2)
if address1 == address3 :
print("test 2 : ", address1, "==", address3)
else:
print("test 2 : ", address1, "!=", address3)
address4 = hwmac([186, 45, 67, 176, 6, 11])
address5 = hwmac("ba:2d:43:b0:06:0c")
print("b0 : ", address4,address4.list())
#!/usr/bin/python
from pydhcplib.type_hw_addr import hwmac
address = hwmac()
print("a0 : ", address)
address1 = hwmac("ff:11:22:33:44:55")
print("a1 : ", address1)
address2 = hwmac("f6.16.26.36.46.56")
print("a2 : ", address2)
address3 = hwmac("ff.11-22:33-44.55")
print("a3 : ", address3)
if address1 == address2: print("test 1 : ", address1, "==", address2)
else: print("test 1 : ", address1, "!=", address2)
if address1 == address3: print("test 2 : ", address1, "==", address3)
else: print("test 2 : ", address1, "!=", address3)
address4 = hwmac([186, 45, 67, 176, 6, 11])
address5 = hwmac("ba:2d:43:b0:06:0c")
print("b0 : ", address4, address4.list())
print("b1 : ", address5, address5.list())
def HandleDhcpDiscover(self, packet):
print 'discover'
print strlist(packet.GetOption('host_name'))
print hwmac(packet.GetHardwareAddress())