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Main.py
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Main.py
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import time,re,datetime,sys,argparse,os,csv
# Anthony Last edited on 11-8-2020
# In a second terminal: ubertooth-btle -f | sed -e 's|["'\'']||g' | xargs | sed -e 's/systime/\nsystime/g' >> z2.txt
# Use: ubertooth-util -V -- To test that Ubertooth is up and working.
# Use: ubertooth-btle -fI -r test7.pcapng | sed -e 's|["'\'']||g' | xargs | sed -e 's/systime/\nsystime/g' >> test.txt
#TODO: Might need to set a pass/break on the PDU if statements so they aren't multiple entries.
#TODO: Might just join manufact and device name into one variable..
def follow(live_log, input_or_live):
if "input" in input_or_live:
#live_log.seek(0,0)
while True:
line = live_log.readline()
if not line:
break
yield line
else:
live_log.seek(0,2)
while True:
line = live_log.readline()
if not line:
time.sleep(0.1)
continue
yield line
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("input_or_live", type=str,
help=" -> input or live")
parser.add_argument("file", type=str,
help=" -> file path")
parser.add_argument("outputfile", type=str,
help=" -> output file path")
args = parser.parse_args()
input_or_live=args.input_or_live
file=args.file
output=args.outputfile
if any(item in input_or_live for item in ['input', 'live']):
print("Starting {} parser...".format(input_or_live))
else:
print("Need to either specify input or live..")
exit()
# Check if file exist, if not, create it.
if not os.path.exists(file):
open(file, 'w').close()
print("Reading file: {}...".format(file))
logfile = open(file,"r")
loglines = follow(logfile, input_or_live)
line_num = 0
#d="*"
#print("packet_number"+d+"date"+d+"freq"+d+"addr"+d+"delta_t"+d+"rssi"+d+"channel"+d+"pdu_type"+d+"AdvA"+d+"data_flags"+d+"InitA"+d+"ScanA"+d+"Manufacturer"+d+"TxPowerlvl"+d+"local_name"+d+"local_name_ml"+d+"AdvA_ml"+d+"InitA_ml"+d+"ScanA_ml")
fout = open(output, "w")
d="*"
header = ("packet_number"+d+"date"+d+"freq"+d+"addr"+d+"delta_t"+d+"rssi"+d+"channel"+d+"pdu_type"+d+"AdvA"+d+"data_flags"+d+"InitA"+d+"ScanA"+d+"Manufacturer"+d+"TxPowerlvl"+d+"local_name"+d+"local_name_ml"+d+"AdvA_ml"+d+"InitA_ml"+d+"ScanA_ml")
fout.write("{}\n".format(header))
for line in loglines:
line_num += 1
sl = line.strip()
sl_len = len(sl)
DEBUG = 0 #0 = off, 1 = on, prints all variables with \n
if DEBUG:
print("Line Number - {}".format(line_num))
# Setting blank values to all variables that will be used
date = freq = addr = delta_t = rssi = channel = '' # First part
pdu_type = AdvA = data_flags = InitA = ScanA = '' # PDU part
Manufacturer = TxPowerlvl = local_name = '' # Last part
local_name_ml = AdvA_ml = InitA_ml = ScanA_ml = '' # 2nd to last
# Making sure packet has Mac-Address
p = re.compile(r'([0-9a-f]{2}(?::[0-9a-f]{2}){5})', re.IGNORECASE)
found = re.findall(p, line)
if not found:
continue
########################
### Error handling start
sl = sl.replace('*', '') #Using * as delimiter, getting rid of any false positivies.
if "CRC:" not in sl: # Making sure packet has is completed with CRC ending..
continue
if "Early return due to" in sl: # Another error string
continue
if not sl.startswith('systime='): #If line doesn't start with systime=, move to the next.
continue
if "Error:" in sl: #Remove all malformed packets, 'Error: attempt to read past end of buffer...'
continue
if "UNKNOWN Data:" in sl: #Remove all malformed packets
continue
if (sl_len < 220): #Half written packets, no good anyways. grep -x '.\{1,200\}' -n
continue
### Error handling end
######################
#Dropping all data packets for now.
matches = ["LL_FEATURE_REQ", "L2CAP", "LL Control PDU"]
if any([substring in sl for substring in matches]):
continue
else:
try:
date = re.findall('systime=(.*?) freq=', sl)
date = int(date[0])
date = datetime.datetime.fromtimestamp(date).strftime("%Y-%m-%d %I:%M:%S")
if DEBUG:
print(date)
except:
data=''
try:
freq = re.findall('freq=(.*?) addr=',sl)
freq = int(freq[0])
if DEBUG:
print(freq)
except:
freq=''
try:
addr = re.findall('addr=(.*?) delta_t=',sl) #The AccessAddress property defines the 32-bit unique connection address between two devices. The default value is '8E89BED6'.
addr = str(addr[0])
if DEBUG:
print(addr)
except:
addr=''
try:
delta_t = re.findall('delta_t=(.*?) ms rssi=',sl)
delta_t = str(delta_t[0])
if DEBUG:
print(delta_t)
except:
delta_t=''
try:
rssi = re.findall('rssi=(.*?)\s',sl)
rssi = str(rssi[0])
rssi = rssi.split(" ")[:1][0]
if DEBUG:
print(rssi)
except:
rssi=''
try:
channel = re.findall('Channel Index: (.*) Type:',sl)
channel = str(channel[0])
if DEBUG:
print(channel)
except:
channel=''
# Checking for PDU types
# http://j2abro.blogspot.com/2014/06/understanding-bluetooth-advertising.html
# https://www.novelbits.io/bluetooth-low-energy-sniffer-tutorial-advertisements/
if "ADV_IND" in sl: #Known as Advertising Indications (ADV_IND), where a peripheral device requests connection to any central device (i.e., not directed at a particular central device). Example: A smart watch requesting connection to any central device.
try:
pdu_type = re.findall('Type: (.*?) AdvA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
if "AdvData" in sl:
try:
AdvA = re.findall('AdvA: (.*?) AdvData: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
else:
try:
AdvA = re.findall('AdvA: (.*?) Data: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
if "Type 01 (Flags)" in sl: #Are included when an advertising packet is connectable.
# https://devzone.nordicsemi.com/f/nordic-q-a/29083/ble-advertising-data-flags-field-and-discovery
split_flags = sl.split("(Flags)")[1] #Getting second half after split for better coverage
if "Early return due" in split_flags: #Fixed error with Early warning.
try:
data_flags = re.findall('Flags\) \d\d\d\d\d\d\d\d (.*?) Early',sl)
data_flags = str(data_flags[0])
if DEBUG:
print(data_flags)
except:
data_flags=''
if "Type 0a" in split_flags:
try:
data_flags = re.findall('Flags\) \d\d\d\d\d\d\d\d (.*?) Type 0a',sl)
data_flags = str(data_flags[0])
if DEBUG:
print(data_flags)
except:
data_flags=''
if ("Type: " or "Reserved Data:") in split_flags:
try:
data_flags = re.findall('Flags\) \d\d\d\d\d\d\d\d (.*?) (Type:|Reserved Data:)',sl)
data_flags = str(data_flags[0])
if DEBUG:
print(data_flags)
except:
data_flags=''
#elif "Data:" in split_flags:
# data_flags = re.findall('Flags\) \d\d\d\d\d\d\d\d (.*?) Data: ',sl)
# data_flags = str(data_flags[0])
# print(data_flags)
if "ADV_DIRECT_IND" in sl: #Connectable directed advertising. Directed advertising is used when a device needs to quickly connect to another device. An initiating device immediately sends a connection request upon receiving this. This PDU has the following payload. Example: A smart watch requesting connection to a specific central device.
try:
pdu_type = re.findall('Type: (.*?) AdvA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
try:
AdvA = re.findall('AdvA: (.*?) InitA: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
try:
InitA = re.findall('InitA: (.*?) Data: ',sl)
InitA = str(InitA[0])
if DEBUG:
print(InitA)
except:
InitA=''
# Just like ADV_IND, need to figure out main portion..
if "ADV_NONCONN_IND" in sl: #Non connectable undirected advertising. Used by devices that want to broadcast and don't want to be connected to or scannable. This is the only option for a device that is only a transmitter. Example: Beacons in museums defining proximity to specific exhibits.
try:
pdu_type = re.findall('Type: (.*?) AdvA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
if "AdvData" in sl:
try:
AdvA = re.findall('AdvA: (.*?) AdvData: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
else:
try:
AdvA = re.findall('AdvA: (.*?) Data: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
# Just like ADV_IND, need to figure out main portion..
if "ADV_SCAN_IND" in sl: #Example: A warehouse pallet beacon allowing a central device to request additional information about the pallet.
try:
pdu_type = re.findall('Type: (.*?) AdvA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
if "AdvData" in sl:
try:
AdvA = re.findall('AdvA: (.*?) AdvData: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
else:
try:
AdvA = re.findall('AdvA: (.*?) Data: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
if "Type 01 (Flags)" in sl: #Are included when an advertising packet is connectable.
# https://devzone.nordicsemi.com/f/nordic-q-a/29083/ble-advertising-data-flags-field-and-discovery
if "Early return due" in sl: #Fixed error with Early warning.
try:
data_flags = re.findall('Flags\) \d\d\d\d\d\d\d\d (.*?) Early',sl)
data_flags = str(data_flags[0])
if DEBUG:
print(data_flags)
except:
data_flags=''
else:
try:
data_flags = re.findall('Flags\) \d\d\d\d\d\d\d\d (.*?) Type',sl)
data_flags = str(data_flags[0])
if DEBUG:
print(data_flags)
except:
data_flags=''
# While not specifically an advertising PDU type, active scanning will involve the following additional
if "SCAN_REQ" in sl: #Upon receiving and advertising packet and active scanner will issue this scan request packet
try:
pdu_type = re.findall('Type: (.*?) ScanA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
try:
AdvA = re.findall('AdvA: (.*?) Data: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
try:
ScanA = re.findall('ScanA: (.*?) AdvA: ',sl)
ScanA = str(ScanA[0])
if DEBUG:
print(ScanA)
except:
ScanA=''
if "SCAN_RSP" in sl: #Upon receiving a scan request (SCAN_REQ) packet and advertiser can respond with this.
try:
pdu_type = re.findall('Type: (.*?) AdvA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
try:
AdvA = re.findall('AdvA: (.*?) ScanRspData: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
if "CONNECT_REQ" in sl:
matches = ["Type:", "InitA:", "AdvA:", "AA:"]
if any([substring in sl for substring in matches]):
#The Central device, « the initiator », sends the packet Connect_Req to a device with the connectable and discoverable mode to establish a connection link. This packet contains all the required data needed for the future connection between the two devices.
# Can still parse out many of the fields, if necessary.
# http://rfmw.em.keysight.com/wireless/helpfiles/n7606/Content/Main/PDU_Payload_Setting_4.htm#CRC
try:
pdu_type = re.findall('Type: (.*?) InitA: ',sl)
pdu_type = str(pdu_type[0])
if DEBUG:
print(pdu_type)
except:
pdu_type=''
try:
InitA = re.findall('InitA: (.*?) AdvA: ',sl)
InitA = str(InitA[0])
if DEBUG:
print(InitA)
except:
InitA=''
try:
AdvA = re.findall('AdvA: (.*?) AA: ',sl)
AdvA = str(AdvA[0])
if DEBUG:
print(AdvA)
except:
AdvA=''
### Finished with PDU stuff
###########################
if "Manufacturer Specific Data" in sl: #Are included when an advertising packet is connectable.
# https://devzone.nordicsemi.com/f/nordic-q-a/29083/ble-advertising-data-flags-field-and-discovery
if "(Manufacturer Specific Data) Wrong length" in sl:
pass
else:
try:
Manufacturer = re.findall('Company: (.*?) Data:',sl)
Manufacturer = str(Manufacturer[0])
if DEBUG:
print(Manufacturer)
except:
Manufacturer=''
if "Tx Power Level" in sl: #Tx Power Level
if "dBm" not in sl:
pass
else:
try:
TxPowerlvl = re.findall('Tx Power Level\) (.*?) dBm',sl)
TxPowerlvl = str(TxPowerlvl[0])
if DEBUG:
print(TxPowerlvl)
except:
TxPowerlvl=''
if ("Complete Local Name") in sl: #Are included when an advertising packet is connectable.
try:
local_name = re.findall('\(Complete Local Name\) (.*?) Data: ',sl)
local_name = str(local_name[0])
if DEBUG:
print(local_name)
pattern = '.*Type \S\S '
result = re.match(pattern, local_name)
if result:
local_name = (result[0].split("Type")[0]) # Holy !@#$ this took awhile, works though.
except:
local_name=''
if "Type" in data_flags: # Cleaning up some more Type misplacements.
try:
pattern = '.*Type \S\S '
result = re.match(pattern, data_flags)
if result:
data_flags = (result[0].split("Type")[0]) # Holy !@#$ this took awhile, works though.
except:
data_flags=''
# Joining everything up in one CSV line before plotting..
first_part = date,freq,addr,delta_t,rssi,channel #every packet will have this
pdu_part = pdu_type,AdvA,data_flags,InitA,ScanA #Some packets will have either data_flags,InitA,ScanA
last_part = Manufacturer,TxPowerlvl,local_name,local_name_ml,AdvA_ml,InitA_ml,ScanA_ml
d = "*" #delimiter
all = "{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}".format(line_num,d,date,d,freq,d,addr.strip(),d,delta_t.strip(),d,rssi.strip(),d,channel.strip(),d,pdu_type.strip(),d,AdvA.strip(),d,data_flags.strip(),d,InitA.strip(),d,ScanA.strip(),d,Manufacturer.strip(),d,TxPowerlvl.strip(),d,local_name.strip(),d,local_name_ml.strip(),d,AdvA_ml.strip(),d,InitA_ml.strip(),d,ScanA_ml.strip())
fout.write("{}\n".format(all))
if DEBUG:
print("\n")
if input_or_live == "input":
print("Finished!")
print("Output Written to: {}".format(output))
"""
('2020-11-06 03:50:47', 2402, '8e89bed6', '29.145', '-87', '37', 'SCAN_REQ', 'f8:66:56:8f:ca:97 (random)', '', '', '5c:31:38:ce:73:95 (public)')
systime=1604706634 freq=2402 addr=8e89bed6 delta_t=6.983 ms rssi=-85 40 18 c9 87 f2 00 ff 76 02 01 1a 02 0a 0c 0b ff 4c 00 10 06 1e 1e d1 69 02 d2 6e a4 b6 Advertising / AA 8e89bed6 (valid)/ 24 bytes Channel Index: 37 Type: ADV_IND AdvA: 76:ff:00:f2:87:c9 (random) AdvData: 02 01 1a 02 0a 0c 0b ff 4c 00 10 06 1e 1e d1 69 02 d2 Type 01 (Flags) 00011010 LE General Discoverable Mode Simultaneous LE and BR/EDR to Same Device Capable (Controller) Simultaneous LE and BR/EDR to Same Device Capable (Host) Type 0a (Tx Power Level) 12 dBm Type ff (Manufacturer Specific Data) Company: Apple, Inc. Data: 10 06 1e 1e d1 69 02 d2 Data: c9 87 f2 00 ff 76 02 01 1a 02 0a 0c 0b ff 4c 00 10 06 1e 1e d1 69 02 d2 CRC: 6e a4 b6
systime=1604703856 freq=2402 addr=8e89bed6 delta_t=24.515 ms rssi=-87
00 25 99 01 71 ae 1c 64 02 01 1a 1b ff 75 00 42 04 01 01 6f 64 1c ae 71 01 99 66 1c ae 71 01 98 0b 00 00 00 00 00 00 c7 ec 7c
Advertising / AA 8e89bed6 (valid)/ 37 bytes
Channel Index: 37
Type: ADV_IND
AdvA: 64:1c:ae:71:01:99 (public)
AdvData: 02 01 1a 1b ff 75 00 42 04 01 01 6f 64 1c ae 71 01 99 66 1c ae 71 01 98 0b 00 00 00 00 00 00
Type 01 (Flags)
00011010
LE General Discoverable Mode
Simultaneous LE and BR/EDR to Same Device Capable (Controller)
Simultaneous LE and BR/EDR to Same Device Capable (Host)
Type ff (Manufacturer Specific Data)
Company: Samsung Electronics Co. Ltd.
Data: 42 04 01 01 6f 64 1c ae 71 01 99 66 1c ae 71 01 98 0b 00 00 00 00 00 00
Data: 99 01 71 ae 1c 64 02 01 1a 1b ff 75 00 42 04 01 01 6f 64 1c ae 71 01 99 66 1c ae 71 01 98 0b 00 00 00 00 00 00
CRC: c7 ec 7c
"""