mirror of
https://github.com/uhi22/pyPLC.git
synced 2024-11-10 01:05:42 +00:00
improved name consistency. Added auto response to slac_param.
This commit is contained in:
uhi22
parent
b93727f011
commit
a5161a8663
2 changed files with 60 additions and 117 deletions
2
pyPlc.py
2
pyPlc.py
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@ -49,7 +49,7 @@ worker=pyPlcWorker.pyPlcWorker(cbAddToTrace, cbShowStatus)
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nMainloops=0
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nKeystrokes=0
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while lastKey!="x":
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time.sleep(.3) # 'do some calculation'
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time.sleep(.05) # 'do some calculation'
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nMainloops+=1
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# print(str(nMainloops) + " " + str(nKeystrokes)) # show something in the console window
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root.update()
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173
pyPlcHomeplug.py
173
pyPlcHomeplug.py
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@ -25,7 +25,13 @@
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# we see the LEDs on the adaptor shortly going completely off, completely on, and back to normal state. This
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# is the sign, that the new key was accepted. It means, the
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# adaptor is making a reset, to apply the new key.
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# 5. CM_SET_KEY and CM_GET_KEY works also when sent to broadcast address.
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# 5. CM_SET_KEY and CM_GET_KEY works also when sent to broadcast address. For both, devolo and tpLink.
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# 2022-10-18 further tests
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# 6. The devolo reports the SLAC_PARAM from the standalone-IONIQ to the wirkshark. Even in the case, when the devolo is paired to a tpLink.
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# 7. The tpLink does NOT report the SLAC_PARAM to ethernet. Bad.
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# 8. The tpLink has software from 2017, maybe the SLAC was removed at this version.
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# 9. Article regarding firmware- and configuration update: https://fitzcarraldoblog.wordpress.com/2020/07/22/updating-the-powerline-adapters-in-my-home-network/
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import pcap
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@ -114,23 +120,17 @@ class pyPlcHomeplug():
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print("HomePlug protocol")
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return blIsHomePlug
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def fillSourceMac(self, mac):
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self.mytransmitbuffer[6]=mac[0]
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self.mytransmitbuffer[7]=mac[1]
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self.mytransmitbuffer[8]=mac[2]
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self.mytransmitbuffer[9]=mac[3]
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self.mytransmitbuffer[10]=mac[4]
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self.mytransmitbuffer[11]=mac[5]
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def fillSourceMac(self, mac, offset=6): # at offset 6 in the ethernet frame, we have the source MAC
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# we can give a different offset, to re-use the MAC also in the data area
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for i in range(0, 6):
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self.mytransmitbuffer[offset+i]=mac[i]
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def fillDestinationMac(self, mac):
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self.mytransmitbuffer[0]=mac[0]
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self.mytransmitbuffer[1]=mac[1]
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self.mytransmitbuffer[2]=mac[2]
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self.mytransmitbuffer[3]=mac[3]
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self.mytransmitbuffer[4]=mac[4]
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self.mytransmitbuffer[5]=mac[5]
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def fillDestinationMac(self, mac, offset=0): # at offset 0 in the ethernet frame, we have the destination MAC
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# we can give a different offset, to re-use the MAC also in the data area
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for i in range(0, 6):
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self.mytransmitbuffer[offset+i]=mac[i]
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def cleanTransmitBuffer(self):
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def cleanTransmitBuffer(self): # fill the complete ethernet transmit buffer with 0x00
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for i in range(0, len(self.mytransmitbuffer)):
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self.mytransmitbuffer[i]=0
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@ -149,7 +149,7 @@ class pyPlcHomeplug():
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# calculates the MMTYPE (base value + lower two bits), see Table 11-2 of homeplug spec
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return (self.myreceivebuffer[16]<<8) + self.myreceivebuffer[15]
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def composeTestFrameGetSwReq(self):
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def composeGetSwReq(self):
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# GET_SW.REQ request, as used by the win10 laptop
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self.mytransmitbuffer = bytearray(60)
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self.cleanTransmitBuffer()
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@ -167,7 +167,7 @@ class pyPlcHomeplug():
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self.mytransmitbuffer[18]=0xB0 #
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self.mytransmitbuffer[19]=0x52 #
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def composeTestFrameSetKey(self, variation=0):
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def composeSetKey(self, variation=0):
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# CM_SET_KEY.REQ request
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# From example trace from catphish https://openinverter.org/forum/viewtopic.php?p=40558&sid=9c23d8c3842e95c4cf42173996803241#p40558
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# Table 11-88 in the homeplug_av21_specification_final_public.pdf
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@ -213,7 +213,7 @@ class pyPlcHomeplug():
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self.mytransmitbuffer[41]+=variation # to try different NMKs
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# and three remaining zeros
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def composeTestFrameGetKey(self):
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def composeGetKey(self):
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# CM_GET_KEY.REQ request
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# from https://github.com/uhi22/plctool2/blob/master/listen_to_eth.c
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# and homeplug_av21_specification_final_public.pdf
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@ -249,25 +249,21 @@ class pyPlcHomeplug():
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self.mytransmitbuffer[34]=0x00 #
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self.mytransmitbuffer[35]=0x00 # 17 PMN Protocol message number
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def composeTestFrameSlacReq(self):
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# SLAC request, as it was recorded 2021-12-17 WP charger 2
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def composeSlacParamReq(self):
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# SLAC_PARAM request, as it was recorded 2021-12-17 WP charger 2
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self.mytransmitbuffer = bytearray(60)
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self.cleanTransmitBuffer()
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# Destination MAC
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self.fillDestinationMac(MAC_BROADCAST)
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# Source MAC
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self.fillSourceMac(MAC_IONIQ)
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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]=0x64 # SLAC_PARAM.REQ
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self.mytransmitbuffer[16]=0x60 #
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self.mytransmitbuffer[17]=0x00 #
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self.mytransmitbuffer[17]=0x00 # 2 bytes fragmentation information. 0000 means: unfragmented.
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self.mytransmitbuffer[18]=0x00 #
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self.mytransmitbuffer[19]=0x00 #
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self.mytransmitbuffer[20]=0x00 #
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@ -279,103 +275,41 @@ class pyPlcHomeplug():
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self.mytransmitbuffer[26]=0xC3 #
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self.mytransmitbuffer[27]=0x00 #
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self.mytransmitbuffer[28]=0x00 #
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# rest is 00
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self.mytransmitbuffer[29]=0x00 # rest is 0
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self.mytransmitbuffer[30]=0x00 #
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self.mytransmitbuffer[31]=0x00 #
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self.mytransmitbuffer[32]=0x00 #
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self.mytransmitbuffer[33]=0x00 #
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self.mytransmitbuffer[34]=0x00 #
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self.mytransmitbuffer[35]=0x00 #
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self.mytransmitbuffer[36]=0x00 #
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self.mytransmitbuffer[37]=0x00 #
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self.mytransmitbuffer[38]=0x00 #
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self.mytransmitbuffer[39]=0x00 #
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self.mytransmitbuffer[40]=0x00 #
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self.mytransmitbuffer[41]=0x00 #
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self.mytransmitbuffer[42]=0x00 #
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self.mytransmitbuffer[43]=0x00 #
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self.mytransmitbuffer[44]=0x00 #
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self.mytransmitbuffer[45]=0x00 #
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self.mytransmitbuffer[46]=0x00 #
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self.mytransmitbuffer[47]=0x00 #
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self.mytransmitbuffer[48]=0x00 #
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self.mytransmitbuffer[49]=0x00 #
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self.mytransmitbuffer[50]=0x00 #
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self.mytransmitbuffer[51]=0x00 #
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self.mytransmitbuffer[52]=0x00 #
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self.mytransmitbuffer[53]=0x00 #
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self.mytransmitbuffer[54]=0x00 #
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self.mytransmitbuffer[55]=0x00 #
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self.mytransmitbuffer[56]=0x00 #
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self.mytransmitbuffer[57]=0x00 #
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self.mytransmitbuffer[58]=0x00 #
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self.mytransmitbuffer[59]=0x00 #
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def composeTestFrameSlacResp(self):
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def composeSlacParamCnf(self):
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self.mytransmitbuffer = bytearray(60)
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self.cleanTransmitBuffer()
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# Destination MAC
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self.fillDestinationMac(MAC_IONIQ)
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# Source MAC
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self.fillSourceMac(MAC_ALPI)
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self.fillSourceMac(MAC_RANDOM)
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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[17]=0x00 # 2 bytes fragmentation information. 0000 means: unfragmented.
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self.mytransmitbuffer[18]=0x00 #
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self.mytransmitbuffer[19]=0xff #
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self.mytransmitbuffer[19]=0xff # 19-24 sound target
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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[25]=0x0A # sound count
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self.mytransmitbuffer[26]=0x06 # timeout
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self.mytransmitbuffer[27]=0x01 # resptype
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self.fillDestinationMac(MAC_IONIQ, 28) # forwarding_sta, same as PEV MAC, plus 2 bytes 00 00
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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.fillDestinationMac(MAC_IONIQ, 36) # runid, same as PEV MAC, plus 2 bytes 00 00
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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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# rest is 00
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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 composeTestFrameDHCP(self):
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def composeDHCP(self):
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# DHCP discover, to check whether this "normal" package arrives on the other side
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self.mytransmitbuffer = bytearray(379)
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self.cleanTransmitBuffer()
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@ -417,32 +351,32 @@ class pyPlcHomeplug():
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def sendTestFrame(self, selection):
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if (selection=="1"):
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self.composeTestFrameSlacReq()
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self.addToTrace("transmitting TestFrame SlacReq...")
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self.composeSlacParamReq()
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self.addToTrace("transmitting SLAC_PARAM.REQ...")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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if (selection=="2"):
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self.composeTestFrameSlacResp()
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self.addToTrace("transmitting TestFrame SlacResp...")
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self.composeSlacParamCnf()
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self.addToTrace("transmitting SLAC_PARAM.CNF...")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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if (selection=="S"):
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self.composeTestFrameGetSwReq()
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self.addToTrace("transmitting TestFrame GetSwReq...")
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self.composeGetSwReq()
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self.addToTrace("transmitting GetSwReq...")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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if (selection=="s"):
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self.composeTestFrameSetKey(1)
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self.addToTrace("transmitting TestFrame SET_KEY.REQ (key 1)")
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self.composeSetKey(1)
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self.addToTrace("transmitting SET_KEY.REQ (key 1)")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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if (selection=="t"):
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self.composeTestFrameSetKey(2)
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self.addToTrace("transmitting TestFrame SET_KEY.REQ (key 2)")
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self.composeSetKey(2)
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self.addToTrace("transmitting SET_KEY.REQ (key 2)")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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if (selection=="D"):
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self.composeTestFrameDHCP()
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self.addToTrace("transmitting TestFrame broken DHCP")
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self.composeDHCP()
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self.addToTrace("transmitting broken DHCP")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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if (selection=="G"):
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self.composeTestFrameGetKey()
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self.addToTrace("transmitting TestFrame GET_KEY")
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self.composeGetKey()
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self.addToTrace("transmitting GET_KEY")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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def evaluateGetKeyCnf(self):
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@ -454,6 +388,13 @@ class pyPlcHomeplug():
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s=s+hex(self.NID[i])+ " "
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print("From GetKeyCnf, got network ID (NID) " + s)
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def evaluateSlacParamReq(self):
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# We received a SLAC_PARAM request from the PEV. This is the initiation of a SLAC procedure.
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# If we want to emulate an EVSE, we want to answer.
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self.composeSlacParamCnf()
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self.addToTrace("transmitting CM_SLAC_PARAM.CNF")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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def evaluateSlacMatchCnf(self):
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# The SLAC_MATCH.CNF contains the NMK and the NID.
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# We extract this information, so that we can use it for the CM_SET_KEY afterwards.
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@ -470,7 +411,7 @@ class pyPlcHomeplug():
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s=s+hex(self.NMK[i])+ " "
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print("From SlacMatchCnf, got network membership key (NMK) " + s)
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# use the extracted NMK and NID to set the key in the adaptor:
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self.composeTestFrameSetKey(0)
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self.composeSetKey(0)
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self.addToTrace("transmitting CM_SET_KEY.REQ")
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self.sniffer.sendpacket(bytes(self.mytransmitbuffer))
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@ -481,6 +422,8 @@ class pyPlcHomeplug():
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self.evaluateGetKeyCnf()
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if (mmt == CM_SLAC_MATCH + MMTYPE_CNF):
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self.evaluateSlacMatchCnf()
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if (mmt == CM_SLAC_PARAM + MMTYPE_REQ):
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self.evaluateSlacParamReq()
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def findEthernetAdaptor(self):
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