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72
test1.py
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72
test1.py
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# Vorraussetzungen:
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# Library pcap-ct (nicht libpcap, nicht pylibpcap, nicht pypcap)
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#
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# Stand 2022-08-14:
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# - Auswahl des Interaces ok
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# - Sniffen des SLAC-request ok
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# - Aussenden eine Demo-Botschaft ok
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#
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import pcap
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def twoCharHex(b):
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strHex = "%0.2X" % b
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return strHex
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def showAsHex(mybytearray):
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packetlength = len(mybytearray)
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strHex = ""
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for i in range(0, packetlength):
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strHex = strHex + twoCharHex(mybytearray[i]) + " "
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print("len " + str(packetlength) + " data " + strHex)
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def showIpAddresses(mybytearray):
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addr = lambda pkt, offset: '.'.join(str(pkt[i]) for i in range(offset, offset + 4))
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print('SRC %-16s\tDST %-16s' % (addr(mybytearray, sniffer.dloff + 12), addr(mybytearray, sniffer.dloff + 16)))
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def showMacAddresses(mybytearray):
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strDestMac = ""
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for i in range(0, 6):
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strDestMac = strDestMac + twoCharHex(mybytearray[i]) + ":"
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strSourceMac = ""
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for i in range(5, 12):
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strSourceMac = strSourceMac + twoCharHex(mybytearray[i]) + ":"
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lastThreeOfSource = mybytearray[6]*256*256 + mybytearray[7]*256 + mybytearray[8]
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strSourceFriendlyName = ""
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if (lastThreeOfSource == 0x0a663a):
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strSourceFriendlyName="Fritzbox"
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if (lastThreeOfSource == 0x0064c3):
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strSourceFriendlyName="Ioniq"
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print("From " + strSourceMac + strSourceFriendlyName + " to " + strDestMac)
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def isHomeplug(mybytearray):
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blIsHomePlug=False
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if len(mybytearray)>(6+6+2):
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protocol=mybytearray[12]*256 + mybytearray[13]
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if (protocol == 0x88E1):
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blIsHomePlug=True
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print("HomePlug protocol")
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return blIsHomePlug
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def sendTestFrame():
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print("todo...")
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mytransmitbuffer = bytearray("Hallo das ist ein Test", 'UTF-8')
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#sniffer = pcap.pcap(name=None, promisc=True, immediate=True, timeout_ms=50)
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# eth3 bedeutet: Dritter Eintrag von hinten, in der Liste der Interfaces, die von pcap.findalldevs geliefert wird.
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# Verbesserungsbedarf: Interface namensbasiert auswählen.
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sniffer = pcap.pcap(name="eth3", promisc=True, immediate=True, timeout_ms=50)
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print("Press control-C to stop")
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for ts, pkt in sniffer:
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#print('%d' % (ts))
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if (isHomeplug(pkt)):
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showMacAddresses(pkt)
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showAsHex(pkt)
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sendTestFrame()
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sniffer.sendpacket(bytes(mytransmitbuffer))
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else:
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print("(other)")
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sniffer.close()
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154
test_slac.py
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154
test_slac.py
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# Vorraussetzungen:
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# Library pcap-ct (nicht libpcap, nicht pylibpcap, nicht pypcap)
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#
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# Stand 2022-08-14:
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# - Auswahl des Interaces ok
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# - Sniffen des SLAC-request ok
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# - Aussenden eine Demo-Botschaft ok
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#
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import pcap
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def twoCharHex(b):
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strHex = "%0.2X" % b
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return strHex
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def showAsHex(mybytearray):
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packetlength = len(mybytearray)
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strHex = ""
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for i in range(0, packetlength):
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strHex = strHex + twoCharHex(mybytearray[i]) + " "
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print("len " + str(packetlength) + " data " + strHex)
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class uwe_sniffer():
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def showIpAddresses(self, mybytearray):
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addr = lambda pkt, offset: '.'.join(str(pkt[i]) for i in range(offset, offset + 4))
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print('SRC %-16s\tDST %-16s' % (addr(mybytearray, self.sniffer.dloff + 12), addr(mybytearray, self.sniffer.dloff + 16)))
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def showMacAddresses(self, mybytearray):
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strDestMac = ""
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for i in range(0, 6):
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strDestMac = strDestMac + twoCharHex(mybytearray[i]) + ":"
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strSourceMac = ""
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for i in range(5, 12):
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strSourceMac = strSourceMac + twoCharHex(mybytearray[i]) + ":"
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lastThreeOfSource = mybytearray[6]*256*256 + mybytearray[7]*256 + mybytearray[8]
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strSourceFriendlyName = ""
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if (lastThreeOfSource == 0x0a663a):
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strSourceFriendlyName="Fritzbox"
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if (lastThreeOfSource == 0x0064c3):
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strSourceFriendlyName="Ioniq"
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print("From " + strSourceMac + strSourceFriendlyName + " to " + strDestMac)
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def isHomeplug(self, mybytearray):
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blIsHomePlug=False
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if len(mybytearray)>(6+6+2):
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protocol=mybytearray[12]*256 + mybytearray[13]
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if (protocol == 0x88E1):
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blIsHomePlug=True
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print("HomePlug protocol")
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return blIsHomePlug
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def composeTestFrame(self):
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self.mytransmitbuffer = bytearray(60)
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# Destination MAC
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self.mytransmitbuffer[0]=0x04 # Ioniq MAC
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self.mytransmitbuffer[1]=0x65
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self.mytransmitbuffer[2]=0x65
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self.mytransmitbuffer[3]=0x00
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self.mytransmitbuffer[4]=0x64
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self.mytransmitbuffer[5]=0xC3
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# Source MAC
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self.mytransmitbuffer[6]=0x0A # Alpi MAC
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self.mytransmitbuffer[7]=0x19
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self.mytransmitbuffer[8]=0x4A
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self.mytransmitbuffer[9]=0x39
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self.mytransmitbuffer[10]=0xD6
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self.mytransmitbuffer[11]=0x98
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# Protocol
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self.mytransmitbuffer[12]=0x88 # Protocol HomeplugAV
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self.mytransmitbuffer[13]=0xE1
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self.mytransmitbuffer[14]=0x01 # version
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self.mytransmitbuffer[15]=0x65 # SLAC_PARAM.confirm
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self.mytransmitbuffer[16]=0x60 #
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self.mytransmitbuffer[17]=0x00 #
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self.mytransmitbuffer[18]=0x00 #
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self.mytransmitbuffer[19]=0xff #
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self.mytransmitbuffer[20]=0xff #
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self.mytransmitbuffer[21]=0xff #
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self.mytransmitbuffer[22]=0xff #
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self.mytransmitbuffer[23]=0xff #
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self.mytransmitbuffer[24]=0xff #
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self.mytransmitbuffer[25]=0x0A #
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self.mytransmitbuffer[26]=0x06 #
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self.mytransmitbuffer[27]=0x01 #
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self.mytransmitbuffer[28]=0x04 #
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self.mytransmitbuffer[29]=0x65 #
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self.mytransmitbuffer[30]=0x65 #
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self.mytransmitbuffer[31]=0x00 #
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self.mytransmitbuffer[32]=0x64 #
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self.mytransmitbuffer[33]=0xC3 #
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self.mytransmitbuffer[34]=0x00 #
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self.mytransmitbuffer[35]=0x00 #
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self.mytransmitbuffer[36]=0x04 #
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self.mytransmitbuffer[37]=0x65 #
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self.mytransmitbuffer[38]=0x65 #
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self.mytransmitbuffer[39]=0x00 #
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self.mytransmitbuffer[40]=0x64 #
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self.mytransmitbuffer[41]=0xC3 #
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self.mytransmitbuffer[42]=0x0 #
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self.mytransmitbuffer[43]=0x0 #
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self.mytransmitbuffer[44]=0x0 #
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self.mytransmitbuffer[45]=0x0 #
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self.mytransmitbuffer[46]=0x0 #
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self.mytransmitbuffer[47]=0x0 #
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self.mytransmitbuffer[48]=0x0 #
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self.mytransmitbuffer[49]=0x0 #
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self.mytransmitbuffer[50]=0x0 #
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self.mytransmitbuffer[51]=0x0 #
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self.mytransmitbuffer[52]=0x0 #
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self.mytransmitbuffer[53]=0x0 #
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self.mytransmitbuffer[54]=0x0 #
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self.mytransmitbuffer[55]=0x0 #
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self.mytransmitbuffer[56]=0x0 #
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self.mytransmitbuffer[57]=0x0 #
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self.mytransmitbuffer[58]=0x0 #
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self.mytransmitbuffer[59]=0x0 #
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def sendTestFrame(self):
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print("transmitting...")
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self.composeTestFrame()
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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def init(self):
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self.mytransmitbuffer = bytearray("Hallo das ist ein Test", 'UTF-8')
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#self.sniffer = pcap.pcap(name=None, promisc=True, immediate=True, timeout_ms=50)
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# eth3 bedeutet: Dritter Eintrag von hinten, in der Liste der Interfaces, die von pcap.findalldevs geliefert wird.
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# Verbesserungsbedarf: Interface namensbasiert auswählen.
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self.sniffer = pcap.pcap(name="eth3", promisc=True, immediate=True, timeout_ms=50)
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def runEndless(self):
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print("Press control-C to stop")
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for ts, pkt in self.sniffer:
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#print('%d' % (ts))
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if (self.isHomeplug(pkt)):
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self.showMacAddresses(pkt)
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showAsHex(pkt)
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if (pkt[15]==0x64): #SLAC_Request
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self.sendTestFrame()
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else:
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print("(other)")
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def close(self):
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self.sniffer.close()
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sn = uwe_sniffer()
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sn.init()
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sn.runEndless()
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