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#!/usr/bin/env python
from twisted.internet.protocol import DatagramProtocol
import time
from twisted.internet import reactor
import sys, os, IN
from socket import SOL_SOCKET, SO_BROADCAST
import struct
sys.path.append(os.path.dirname(sys.argv[0])+'/../domotika')
from dmlib.dmcrypt import BTEABlock
from dmlib import constants as C
#import pprint
from dmlib import ikaprotocol as proto
from dmlib.utils.genutils import revlist
class DomIka(DatagramProtocol):
def startProtocol(self):
#self.memkey=struct.pack('<LLLL', *DEFKEY)
self.memkey=proto.DEFKEY
self.btea=BTEABlock(self.memkey)
self.bteadata=BTEABlock(self.memkey)
self.ikahdr=proto.IkaPacketHeader()
self.transport.socket.setsockopt(SOL_SOCKET, SO_BROADCAST, True)
try:
self.transport.socket.setsockopt(SOL_SOCKET, IN.SO_BINDTODEVICE, "br0")
except:
self.transport.socket.setsockopt(SOL_SOCKET, IN.SO_BINDTODEVICE, "eth0")
def datagramReceived(self, data, (host, port)):
print "%r -> %s:%d, received %r" % (time.time(), host, port, data)
#print struct.unpack('B', data[0])
if(struct.unpack('B', data[0])[0]==C.IKAP_STARTBYTE):
self.btea.setEncryptData(data[1:33])
self.ikahdr.formatHeader(self.btea.cleandata)
print 'HEADER', self.ikahdr
print 'CHECKSUM', hex(self.ikahdr.chksum)
print 'CALCULATED CHECKSUM:', hex(self.ikahdr.calculateCheckSum())
totlen=self.ikahdr.srclen+self.ikahdr.dstlen+self.ikahdr.arglen
datalendiff=len(data[33:])-totlen
offset=0
self.bteadata.key=self.ikahdr.key
self.bteadata.setEncryptData(data[33:])
if(self.ikahdr.srclen>0):
print 'SRC:', self.bteadata.cleandata[offset:self.ikahdr.srclen]
offset=self.ikahdr.srclen
dstend=offset+self.ikahdr.dstlen
if(self.ikahdr.dstlen>0):
dst = self.bteadata.cleandata[offset:dstend]
print 'DST:', dst
offset=dstend
argend=offset+self.ikahdr.arglen
arg=False
if(self.ikahdr.arglen>0):
arg=self.bteadata.cleandata[offset:argend]
if self.ikahdr.msgtype==C.IKAP_MSG_DEBUG:
if dst.startswith("DEBUG.INPUT.CHANGED.TO") or dst.startswith("DEBUG.RELAY.CHANGED.TO"):
arg=struct.unpack('B', arg[0])[0]
elif self.ikahdr.ctx==C.IKAP_CTX_SYSTEM and self.ikahdr.msgtype==C.IKAP_MSG_NOTIFYCONF:
if dst.startswith("NETWORK."):
astr=struct.unpack('<26B', arg)
arg="\n\tIP: "+".".join([str(x) for x in astr[0:4]])
arg+="\n\tNETMASK: "+".".join([str(x) for x in astr[4:8]])
arg+="\n\tGW: "+".".join([str(x) for x in astr[8:12]])
arg+="\n\tDNS1: "+".".join([str(x) for x in astr[12:16]])
arg+="\n\tDNS2: "+".".join([str(x) for x in astr[16:20]])
arg+="\n\tMAC: "+":".join([hex(x)[2:].zfill(2) for x in astr[20:26]])
elif dst.startswith("IOSTATUS.DEF"):
astr=struct.unpack('<5B', arg)
rel=list("".join(["".join(revlist(list(bin(x).replace("b", "").zfill(8)))) for x in astr[0:3]]))
if int(astr[3]):
rel=map(lambda x,y: "REL%d:%s" % (x,"ON" if int(y) else "OFF"), range(1,25) , rel[0:24])
else:
rel=map(lambda x,y: "REL%d:%s" % (x,"ON" if int(y) else "OFF"), range(1,13) , rel[0:12])
arg=" SERIAL: "
arg+="%s" % "YES" if int(astr[3]) else "NO"
arg+=" AUTOSAVE: "
arg+="%s" % "YES" if int(astr[4]) else "NO"
for r in rel:
arg+="\n\t"+r
elif dst.startswith("IOSTATUS.NOW"):
#print len(arg)
astr=struct.unpack('<'+str(len(arg))+'B', arg)
rel=list("".join(["".join(revlist(list(bin(x).replace("0b", "").zfill(8)))) for x in astr[0:3]]))
if int(astr[6]):
rel=map(lambda x,y: "REL%d:%s" % (x,"ON" if int(y) else "OFF"), range(1,25) , rel[0:24])
else:
rel=map(lambda x,y: "REL%d:%s" % (x,"ON" if int(y) else "OFF"), range(1,13) , rel[0:12])
inp=list("".join(["".join(revlist(list(bin(x).replace("0b", "").zfill(8)))) for x in astr[3:6]]))
if int(astr[6]):
inp=map(lambda x,y: "INP%d:%s" % (x,"OFF" if int(y) else "ON"), range(1,25) , inp[0:24])
else:
inp=map(lambda x,y: "INP%d:%s" % (x,"OFF" if int(y) else "ON"), range(1,13) , inp[0:12])
larg=len(arg)
arg=" SERIAL: "
arg+="%s" % "YES" if int(astr[6]) else "NO"
if(larg>7):
arg+=" AUTOSAVE: "
arg+="%s" % "YES" if int(astr[7]) else "NO"
for r in rel:
arg+="\n\t"+r
for ist in inp:
arg+="\n\t"+ist
elif self.ikahdr.ctx==C.IKAP_CTX_SYSTEM and self.ikahdr.msgtype==C.IKAP_MSG_REQUESTCONF:
if dst.startswith("NETWORK."):
astr=struct.unpack('<4B', arg)
arg=" "+".".join([str(x) for x in astr[0:4]])
elif dst.startswith("RELAY.CHANGED"):
astr=struct.unpack('<3B', arg[0:3])
tmp=[str(x) for x in astr[0:3]]
arg="RELAY: "+tmp[0]+" ACTION: "+C.RELAY_ACT[int(tmp[1])]+" STATUS: "
arg+="%s" % "ON" if int(tmp[2]) else "OFF"
print 'ARGS:', arg
offset=argend
end=offset+4
checkdate=struct.unpack("<L", self.bteadata.cleandata[offset:end])[0]
print 'CHECKDATE:', checkdate
#packet=self.btea.cleandata[:-datalendiff]
#print 'PACKET', self.btea.cleandata[:-datalendiff]
print '-----------------------------'
def stop(self):
reactor.stop()
if __name__ == '__main__':
from twisted.internet import reactor
reactor.listenUDP(12081, DomIka())
reactor.run()