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sparrowwifiagent.py
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sparrowwifiagent.py
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#!/usr/bin/python3
#
# Copyright 2017 ghostop14
#
# This is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
import os
import sys
import datetime
import json
import re
import argparse
import configparser
# import subprocess
from socket import *
from time import sleep
from threading import Thread, Lock
from dateutil import parser
from http import server as HTTPServer
from socketserver import ThreadingMixIn
from wirelessengine import WirelessEngine
from sparrowgps import GPSEngine, GPSStatus
try:
from sparrowdrone import SparrowDroneMavlink
hasDroneKit = True
except:
hasDroneKit = False
from sparrowrpi import SparrowRPi
from sparrowbluetooth import SparrowBluetooth, BluetoothDevice
from sparrowhackrf import SparrowHackrf
from sparrowcommon import gzipCompress
try:
from manuf import manuf
hasOUILookup = True
except:
hasOUILookup = False
# ------ Global setup ------------
gpsEngine = GPSEngine()
curTime = datetime.datetime.now()
useMavlink = False
vehicle = None
mavlinkGPSThread = None
hasFalcon = False
hasBluetooth = False
hasUbertooth = False
falconWiFiRemoteAgent = None
bluetooth = None
hackrf = SparrowHackrf()
# Lock list is a dictionary of thread locks for scanning interfaces
lockList = {}
allowedIPs = []
useRPILeds = False
# runningcfg is created in main
runningcfg = None
recordThread = None
announceThread = None
# ------ Global functions ------------
def stringtobool(instr):
if (instr == 'True' or instr == 'true'):
return True
else:
return False
def TwoDigits(instr):
# Fill in a leading zero for single-digit numbers
while len(instr) < 2:
instr = '0' + instr
return instr
def deleteRecordingFiles(filelist):
dirname, filename = os.path.split(os.path.abspath(__file__))
recordingsDir = dirname + '/recordings'
retVal = ''
for curFilename in filelist:
# This split is simply a safety check to prevent path traversal attacks
dirname, filename = os.path.split(curFilename)
if len(filename) > 0:
fullpath = recordingsDir + '/' + filename
try:
os.remove(fullpath)
except:
if len(retVal) == 0:
retVal = filename
else:
retVal += ',' + filename
return retVal
def getRecordingFiles():
dirname, filename = os.path.split(os.path.abspath(__file__))
recordingsDir = dirname + '/recordings'
if not os.path.exists(recordingsDir):
os.makedirs(recordingsDir)
retVal = []
try:
for filename in os.listdir(recordingsDir):
fullPath = recordingsDir + '/' + filename
if not os.path.isdir(fullPath):
curFile = FileSystemFile()
curFile.filename = filename
curFile.size = os.path.getsize(fullPath)
try:
curFile.timestamp = datetime.datetime.fromtimestamp(os.path.getmtime(fullPath))
except:
curFile.timestamp = None
retVal.append(curFile.toJsondict())
except:
pass
return retVal
def restartAgent():
global bluetooth
if mavlinkGPSThread:
mavlinkGPSThread.signalStop = True
print('Waiting for mavlink GPS thread to terminate...')
while (mavlinkGPSThread.threadRunning):
sleep(0.2)
stopRecord()
stopAnnounceThread()
if bluetooth:
bluetooth.stopScanning()
if runningcfg.useRPiLEDs:
SparrowRPi.greenLED(SparrowRPi.LIGHT_STATE_OFF)
SparrowRPi.redLED(SparrowRPi.LIGHT_STATE_ON)
if hasFalcon:
falconWiFiRemoteAgent.cleanup()
if os.path.isfile('/usr/local/bin/python3.5') or os.path.isfile('/usr/bin/python3.5'):
exefile = 'python3.5'
else:
exefile = 'python3'
# params = [exefile, __file__, '--delaystart=2']
newCommand = exefile + ' ' + __file__ + ' --delaystart=2 &'
os.system(newCommand)
# subprocess.Popen(params, stdout=subprocess.DEVNULL,stderr=subprocess.DEVNULL)
# result = subprocess.run(params, stdout=subprocess.DEVNULL,stderr=subprocess.DEVNULL)
# restartResult = result.stdout.decode('ASCII')
os.kill(os.getpid(), 9)
def updateRunningConfig(newCfg):
global runningcfg
if runningcfg.newCfg.ipAllowedList != newCfg.ipAllowedList:
buildAllowedIPs(newCfg.ipAllowedList)
# port we ignore since we're already running
# useRPiLEDs will just update
# Announce
if runningcfg.announce != newCfg.announce:
if not newCfg.announce:
stopAnnounceThread()
else:
# start will check if it's already running
startAnnounceThread()
# mavlinkGPS
# Need to restart to update mavlinkGPS
# So just copy forward
newCfg.mavlinkGPS = runningcfg.mavlinkGPS
# recordInterface
if runningcfg.recordInterface != newCfg.recordInterface:
if len(newCfg.recordInterface) == 0:
stopRecord()
else:
# start will check if it's already running
startRecord(newCfg.recordInterface)
# Finally swap out the config
runningcfg = newCfg
def startRecord(interface):
global recordThread
if recordThread:
return
if len(interface) > 0:
interfaces = WirelessEngine.getInterfaces()
if interface in interfaces:
recordThread = AutoAgentScanThread(interface)
recordThread.start()
else:
print('ERROR: Record was requested on ' + interface + ' but that interface was not found.')
else:
recordThread = None
def stopRecord():
global recordThread
if recordThread:
recordThread.signalStop = True
print('Waiting for record thread to terminate...')
i=0
maxCycles = 2 /0.2
while (recordThread.threadRunning) and (i<maxCycles):
sleep(0.2)
i += 1
def stopAnnounceThread():
global announceThread
if announceThread:
announceThread.signalStop = True
print('Waiting for announce thread to terminate...')
sleep(0.2)
# i=0
# maxCycles = 5 # int(2.0 /0.2)
# while (announceThread.threadRunning) and (i<maxCycles):
# sleep(0.2)
# i += 1
announceThread = None
def startAnnounceThread():
global runningcfg
global announceThread
# Start announce if needed
if announceThread:
# It's already running
return
print('Sending agent announcements on port ' + str(runningcfg.port) + '.')
announceThread = AnnounceThread(runningcfg.port)
announceThread.start()
def buildAllowedIPs(allowedIPstr):
global allowedIPs
allowedIPs = []
if len(allowedIPstr) > 0:
ippattern = re.compile('([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})')
if ',' in allowedIPstr:
tmpList = allowedIPstr.split(',')
for curItem in tmpList:
ipStr = curItem.replace(' ', '')
try:
ipValue = ippattern.search(ipStr).group(1)
except:
ipValue = ""
print('ERROR: Unknown IP pattern: ' + ipStr)
exit(3)
if len(ipValue) > 0:
allowedIPs.append(ipValue)
else:
ipStr = allowedIPstr.replace(' ', '')
try:
ipValue = ippattern.search(ipStr).group(1)
except:
ipValue = ""
print('ERROR: Unknown IP pattern: ' + ipStr)
return False
if len(ipValue) > 0:
allowedIPs.append(ipValue)
return True
# ------ OUI lookup functions ------------
def getOUIDB():
ouidb = None
if hasOUILookup:
if os.path.isfile('manuf'):
# We have the file but let's not update it every time we run the app.
# every 90 days should be plenty
last_modified_date = datetime.datetime.fromtimestamp(os.path.getmtime('manuf'))
now = datetime.datetime.now()
age = now - last_modified_date
if age.days > 90:
updateflag = True
else:
updateflag = False
else:
# We don't have the file, let's get it
updateflag = True
try:
ouidb = manuf.MacParser(update=updateflag)
except:
ouidb = None
else:
ouidb = None
return ouidb
# ------------------ File ------------------------------
class FileSystemFile(object):
def __init__(self):
self.filename = ""
self.size = 0
self.timestamp = None
def __str__(self):
retVal = self.filename
return retVal
def toJsondict(self):
jsondict = {}
jsondict['filename'] = self.filename
jsondict['size'] = self.size
jsondict['timestamp'] = str(self.timestamp)
return jsondict
def fromJsondict(self, jsondict):
self.filename = jsondict['filename']
self.size = jsondict['size']
if jsondict['timestamp'] == 'None':
self.timestamp = None
else:
self.timestamp = parser.parse(jsondict['timestamp'])
# ------------------ Config Settings ------------------------------
class AgentConfigSettings(object):
def __init__(self):
self.cancelStart = False
self.port = 8020
self.announce = False
self.useRPiLEDs = False
self.recordInterface=""
self.recordRunning = False
self.mavlinkGPS = ""
self.ipAllowedList = ""
def __str__(self):
retVal = "Cancel Start: " + str(self.cancelStart) + "\n"
retVal += "Port: " + str(self.port) + "\n"
retVal += "Announce Agent: " + str(self.announce) + "\n"
retVal += "Use RPi LEDs: " + str(self.useRPiLEDs) + "\n"
retVal += "Record Interface: " + self.recordInterface + "\n"
retVal += "Record Running (for running configs): " + str(self.recordRunning) + "\n"
retVal += "Mavlink GPS: " + self.mavlinkGPS + "\n"
retVal += "IP Allowed List: " + self.ipAllowedList + "\n"
return retVal
def __eq__(self, obj):
# This is equivance.... ==
if not isinstance(obj, AgentConfigSettings):
return False
if self.cancelStart != obj.cancelStart:
return False
if self.port != obj.port:
return False
if self.announce != obj.announce:
return False
if self.useRPiLEDs != obj.useRPiLEDs:
return False
if self.recordInterface != obj.recordInterface:
return False
if self.mavlinkGPS != obj.mavlinkGPS:
return False
if self.ipAllowedList != obj.ipAllowedList:
return False
return True
def __ne__(self, other):
return not self.__eq__(other)
def toJsondict(self):
dictjson = {}
dictjson['cancelstart'] = str(self.cancelStart)
dictjson['port'] = self.port
dictjson['announce'] = str(self.announce)
dictjson['recordrunning'] = str(self.recordRunning)
dictjson['userpileds'] = str(self.useRPiLEDs)
dictjson['recordinterface'] = self.recordInterface
dictjson['mavlinkgps'] = self.mavlinkGPS
dictjson['allowedips'] = self.ipAllowedList
return dictjson
def toJson(self):
dictjson = self.toJsondict()
return json.dumps(dictjson)
def fromJsondict(self, dictjson):
try:
self.cancelStart = stringtobool(dictjson['cancelstart'])
self.port = int(dictjson['port'])
self.announce = stringtobool(dictjson['announce'])
self.recordRunning = stringtobool(dictjson['recordrunning'])
self.useRPiLEDs = stringtobool(dictjson['userpileds'])
self.recordInterface = dictjson['recordinterface']
self.mavlinkGPS = dictjson['mavlinkgps']
self.ipAllowedList = dictjson['allowedips']
except:
pass
def fromJson(self, jsonstr):
dictjson = json.loads(jsonstr)
self.fromJsondict(dictjson)
def toConfigFile(self, cfgFile):
config = configparser.ConfigParser()
config['agent'] = self.toJsondict()
try:
with open(cfgFile, 'w') as configfile:
config.write(configfile)
return True
except:
return False
def fromConfigFile(self, cfgFile):
if os.path.isfile(cfgFile):
cfgParser = configparser.ConfigParser()
try:
cfgParser.read(cfgFile)
section="agent"
options = cfgParser.options(section)
for option in options:
try:
if option =='cancelstart':
self.cancelStart = stringtobool(cfgParser.get(section, option))
elif option == 'sendannounce':
self.announce = stringtobool(cfgParser.get(section, option))
elif option == 'userpileds':
self.useRPiLEDs = stringtobool(cfgParser.get(section, option))
elif option == 'port':
self.port=int(cfgParser.get(section, option))
elif option == 'recordinterface':
self.recordInterface=cfgParser.get(section, option)
elif option == 'mavlinkgps':
self.mavlinkGPS=cfgParser.get(section, option)
elif option == 'allowedips':
self.ipAllowedList = cfgParser.get(section, option)
except:
print("exception on %s!" % option)
settings[option] = None
except:
print("ERROR: Unable to read config file: ", cfgFile)
return False
else:
return False
return True
# ------------------ Agent auto scan thread ------------------------------
class AutoAgentScanThread(Thread):
def __init__(self, interface):
global lockList
global hasBluetooth
super(AutoAgentScanThread, self).__init__()
self.interface = interface
self.signalStop = False
self.scanDelay = 0.5 # seconds
self.threadRunning = False
self.discoveredNetworks = {}
self.discoveredBluetoothDevices = {}
self.daemon = True
try:
self.hostname = os.uname()[1]
except:
self.hostname = 'unknown'
if len(self.hostname) == 0:
self.hostname = 'unknown'
self.ouiLookupEngine = getOUIDB()
if interface not in lockList.keys():
lockList[interface] = Lock()
if not os.path.exists('./recordings'):
os.makedirs('./recordings')
now = datetime.datetime.now()
self.filename = './recordings/' + self.hostname + '_wifi_' + str(now.year) + "-" + TwoDigits(str(now.month)) + "-" + TwoDigits(str(now.day))
self.filename += "_" + TwoDigits(str(now.hour)) + "_" + TwoDigits(str(now.minute)) + "_" + TwoDigits(str(now.second)) + ".csv"
self.btfilename = './recordings/' + self.hostname + '_bt_' + str(now.year) + "-" + TwoDigits(str(now.month)) + "-" + TwoDigits(str(now.day))
self.btfilename += "_" + TwoDigits(str(now.hour)) + "_" + TwoDigits(str(now.minute)) + "_" + TwoDigits(str(now.second)) + ".csv"
if hasBluetooth:
print('Capturing on ' + interface + ' and writing wifi to ' + self.filename)
print('and writing bluetooth to ' + self.btfilename)
else:
print('Capturing on ' + interface + ' and writing wifi to ' + self.filename)
def run(self):
global lockList
global hasBluetooth
self.threadRunning = True
if self.interface not in lockList.keys():
lockList[self.interface] = Lock()
curLock = lockList[self.interface]
if hasBluetooth:
# Start normal discovery
bluetooth.startDiscovery(False)
lastState = -1
while (not self.signalStop):
# Scan all / normal mode
if (curLock):
curLock.acquire()
retCode, errString, wirelessNetworks = WirelessEngine.scanForNetworks(self.interface)
if (curLock):
curLock.release()
if (retCode == 0):
if useMavlink:
gpsCoord = GPSStatus()
gpsCoord.gpsInstalled = True
gpsCoord.gpsRunning = True
gpsCoord.isValid = mavlinkGPSThread.synchronized
gpsCoord.latitude = mavlinkGPSThread.latitude
gpsCoord.longitude = mavlinkGPSThread.longitude
gpsCoord.altitude = mavlinkGPSThread.altitude
gpsCoord.speed = mavlinkGPSThread.vehicle.getAirSpeed()
elif gpsEngine.gpsValid():
gpsCoord = gpsEngine.lastCoord
if useRPILeds and (lastState !=SparrowRPi.LIGHT_STATE_ON):
SparrowRPi.redLED(SparrowRPi.LIGHT_STATE_ON)
lastState = SparrowRPi.LIGHT_STATE_ON
else:
gpsCoord = GPSStatus()
if useRPILeds and (lastState !=SparrowRPi.LIGHT_STATE_HEARTBEAT) :
SparrowRPi.redLED(SparrowRPi.LIGHT_STATE_HEARTBEAT)
lastState = SparrowRPi.LIGHT_STATE_HEARTBEAT
# self.statusBar().showMessage('Scan complete. Found ' + str(len(wirelessNetworks)) + ' networks')
if wirelessNetworks and (len(wirelessNetworks) > 0) and (not self.signalStop):
for netKey in wirelessNetworks.keys():
curNet = wirelessNetworks[netKey]
curNet.gps.copy(gpsCoord)
curNet.strongestgps.copy(gpsCoord)
curKey = curNet.getKey()
if curKey not in self.discoveredNetworks.keys():
self.discoveredNetworks[curKey] = curNet
else:
# Network exists, need to update it.
pastNet = self.discoveredNetworks[curKey]
# Need to save strongest gps and first seen. Everything else can be updated.
# Carry forward firstSeen
curNet.firstSeen = pastNet.firstSeen # This is one field to carry forward
# Check strongest signal
if pastNet.strongestsignal > curNet.signal:
curNet.strongestsignal = pastNet.strongestsignal
curNet.strongestgps.latitude = pastNet.strongestgps.latitude
curNet.strongestgps.longitude = pastNet.strongestgps.longitude
curNet.strongestgps.altitude = pastNet.strongestgps.altitude
curNet.strongestgps.speed = pastNet.strongestgps.speed
curNet.strongestgps.isValid = pastNet.strongestgps.isValid
self.discoveredNetworks[curKey] = curNet
if not self.signalStop:
self.exportNetworks()
# Now if we have bluetooth running export these:
if hasBluetooth and bluetooth.discoveryRunning():
bluetooth.deviceLock.acquire()
# Update GPS
now = datetime.datetime.now()
for curKey in bluetooth.devices.keys():
curDevice = bluetooth.devices[curKey]
elapsedTime = now - curDevice.lastSeen
# This is a little bit of a hack for the BlueHydra side since it can take a while to see devices or have
# them show up in the db. For LE discovery scans this will always be pretty quick.
if elapsedTime.total_seconds() < 120:
curDevice.gps.copy(gpsCoord)
if curDevice.rssi >= curDevice.strongestRssi:
curDevice.strongestRssi = curDevice.rssi
curDevice.strongestgps.copy(gpsCoord)
# export
self.exportBluetoothDevices(bluetooth.devices)
bluetooth.deviceLock.release()
sleep(self.scanDelay)
if hasBluetooth:
# Start normal discovery
bluetooth.stopDiscovery()
self.threadRunning = False
def ouiLookup(self, macAddr):
clientVendor = ""
if hasOUILookup:
try:
if self.ouiLookupEngine:
clientVendor = self.ouiLookupEngine.get_manuf(macAddr)
except:
clientVendor = ""
return clientVendor
def exportBluetoothDevices(self, devices):
try:
btOutputFile = open(self.btfilename, 'w')
except:
print('ERROR: Unable to write to bluetooth file ' + self.filename)
return
btOutputFile.write('uuid,Address,Name,Company,Manufacturer,Type,RSSI,TX Power,Strongest RSSI,Est Range (m),Last Seen,GPS Valid,Latitude,Longitude,Altitude,Speed,Strongest GPS Valid,Strongest Latitude,Strongest Longitude,Strongest Altitude,Strongest Speed\n')
for curKey in devices.keys():
curData = devices[curKey]
btType = ""
if curData.btType == BluetoothDevice.BT_LE:
btType = "BTLE"
else:
btType = "Classic"
if curData.txPowerValid:
txPower = str(curData.txPower)
else:
txPower = 'Unknown'
btOutputFile.write(curData.uuid + ',' + curData.macAddress + ',"' + curData.name + '","' + curData.company + '","' + curData.manufacturer)
btOutputFile.write('","' + btType + '",' + str(curData.rssi) + ',' + str(curData.strongestRssi) + ',' + txPower + ',' + str(curData.iBeaconRange) + ',' +
curData.lastSeen.strftime("%m/%d/%Y %H:%M:%S") + ',' +
str(curData.gps.isValid) + ',' + str(curData.gps.latitude) + ',' + str(curData.gps.longitude) + ',' + str(curData.gps.altitude) + ',' + str(curData.gps.speed) + ',' +
str(curData.strongestgps.isValid) + ',' + str(curData.strongestgps.latitude) + ',' + str(curData.strongestgps.longitude) + ',' + str(curData.strongestgps.altitude) + ',' + str(curData.strongestgps.speed) + '\n')
btOutputFile.close()
def exportNetworks(self):
try:
self.outputFile = open(self.filename, 'w')
except:
print('ERROR: Unable to write to wifi file ' + self.filename)
return
self.outputFile.write('macAddr,vendor,SSID,Security,Privacy,Channel,Frequency,Signal Strength,Strongest Signal Strength,Bandwidth,Last Seen,First Seen,GPS Valid,Latitude,Longitude,Altitude,Speed,Strongest GPS Valid,Strongest Latitude,Strongest Longitude,Strongest Altitude,Strongest Speed\n')
for netKey in self.discoveredNetworks.keys():
curData = self.discoveredNetworks[netKey]
vendor = self.ouiLookup(curData.macAddr)
if vendor is None:
vendor = ''
self.outputFile.write(curData.macAddr + ',' + vendor + ',"' + curData.ssid + '",' + curData.security + ',' + curData.privacy)
self.outputFile.write(',' + curData.getChannelString() + ',' + str(curData.frequency) + ',' + str(curData.signal) + ',' + str(curData.strongestsignal) + ',' + str(curData.bandwidth) + ',' +
curData.lastSeen.strftime("%m/%d/%Y %H:%M:%S") + ',' + curData.firstSeen.strftime("%m/%d/%Y %H:%M:%S") + ',' +
str(curData.gps.isValid) + ',' + str(curData.gps.latitude) + ',' + str(curData.gps.longitude) + ',' + str(curData.gps.altitude) + ',' + str(curData.gps.speed) + ',' +
str(curData.strongestgps.isValid) + ',' + str(curData.strongestgps.latitude) + ',' + str(curData.strongestgps.longitude) + ',' + str(curData.strongestgps.altitude) + ',' + str(curData.strongestgps.speed) + '\n')
self.outputFile.close()
# ------------------ Announce thread ------------------------------
class AnnounceThread(Thread):
def __init__(self, port):
super(AnnounceThread, self).__init__()
self.signalStop = False
self.sendDelay = 4.0 # seconds
self.threadRunning = False
self.daemon = True
self.broadcastSocket = socket(AF_INET, SOCK_DGRAM)
self.broadcastSocket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
self.broadcastSocket.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)
self.broadcastPort = port
self.broadcastAddr=('255.255.255.255', self.broadcastPort)
def sendAnnounce(self):
try:
self.broadcastSocket.sendto(bytes('sparrowwifiagent', "utf-8"),self.broadcastAddr)
except:
pass
def run(self):
self.threadRunning = True
while (not self.signalStop):
self.sendAnnounce()
# 4 second delay, but check every second for termination signal
i=0
while i<4 and not self.signalStop:
sleep(1.0)
i += 1
self.threadRunning = False
# ------------------ Local network scan thread ------------------------------
class MavlinkGPSThread(Thread):
def __init__(self, vehicle):
super(MavlinkGPSThread, self).__init__()
self.signalStop = False
self.scanDelay = 0.5 # seconds
self.threadRunning = False
self.vehicle = vehicle
self.synchronized = False
self.latitude = 0.0
self.longitude = 0.0
self.altitude = 0.0
self.daemon = True
def run(self):
self.threadRunning = True
lastState = -1
while (not self.signalStop):
self.synchronized, self.latitude, self.longitude, self.altitude = self.vehicle.getGlobalGPS()
if self.synchronized:
# Solid on synchronized
if useRPILeds and (lastState != SparrowRPi.LIGHT_STATE_ON):
SparrowRPi.redLED(SparrowRPi.LIGHT_STATE_ON)
lastState = SparrowRPi.LIGHT_STATE_ON
else:
# heartbeat on unsynchronized
if useRPILeds and (lastState != SparrowRPi.LIGHT_STATE_HEARTBEAT):
SparrowRPi.redLED(SparrowRPi.LIGHT_STATE_HEARTBEAT)
lastState = SparrowRPi.LIGHT_STATE_HEARTBEAT
sleep(self.scanDelay)
self.threadRunning = False
class SparrowWiFiAgent(object):
# See https://docs.python.org/3/library/http.server.html
# For HTTP Server info
def run(self, port):
global useRPILeds
global hackrf
global bluetooth
global falconWiFiRemoteAgent
server_address = ('', port)
try: # httpd = HTTPServer.HTTPServer(server_address, SparrowWiFiAgentRequestHandler)
httpd = MultithreadHTTPServer(server_address, SparrowWiFiAgentRequestHandler)
except OSError as e:
curTime = datetime.datetime.now()
print('[' +curTime.strftime("%m/%d/%Y %H:%M:%S") + "] Unable to bind to port " + str(port) + ". " + e.strerror)
if runningcfg.useRPiLEDs:
SparrowRPi.greenLED(SparrowRPi.LIGHT_STATE_OFF)
SparrowRPi.redLED(SparrowRPi.LIGHT_STATE_ON)
exit(1)
curTime = datetime.datetime.now()
print('[' +curTime.strftime("%m/%d/%Y %H:%M:%S") + "] Starting Sparrow-wifi agent on port " + str(port))
if useRPILeds:
SparrowRPi.greenLED(SparrowRPi.LIGHT_STATE_ON)
try:
httpd.serve_forever()
except KeyboardInterrupt:
pass
httpd.server_close()
if useRPILeds:
SparrowRPi.greenLED(SparrowRPi.LIGHT_STATE_OFF)
if hasFalcon:
falconWiFiRemoteAgent.cleanup()
if bluetooth:
bluetooth.stopScanning()
if hackrf.scanRunning():
hackrf.stopScanning()
curTime = datetime.datetime.now()
print('[' +curTime.strftime("%m/%d/%Y %H:%M:%S") + "] Sparrow-wifi agent stopped.")
# --------------- Multithreaded HTTP Server ------------------------------------
class MultithreadHTTPServer(ThreadingMixIn, HTTPServer.HTTPServer):
pass
# --------------- HTTP Request Handler --------------------
# Sample handler: https://wiki.python.org/moin/BaseHttpServer
class SparrowWiFiAgentRequestHandler(HTTPServer.BaseHTTPRequestHandler):
def do_HEAD(s):
s.send_response(200)
s.send_header("Content-type", "text/html")
s.end_headers()
def do_POST(s):
global runningcfg
global falconWiFiRemoteAgent
if len(s.client_address) == 0:
# This should have the connecting client IP. If this isn't at least 1, something is wrong
return
if len(allowedIPs) > 0:
if s.client_address[0] not in allowedIPs:
try:
s.send_response(403)
s.send_header("Content-type", "text/html")
s.end_headers()
s.wfile.write("<html><body><p>Connections not authorized from your IP address</p>".encode("utf-8"))
s.wfile.write("</body></html>".encode("UTF-8"))
except:
pass
return
if (not s.isValidPostURL()):
try:
s.send_response(404)
s.send_header("Content-type", "text/html")
s.end_headers()
s.wfile.write("<html><body><p>Page not found.</p>".encode("utf-8"))
s.wfile.write("</body></html>".encode("UTF-8"))
except:
pass
return
# Get the size of the posted data
try:
length = int(s.headers['Content-Length'])
except:
length = 0
if length <= 0:
responsedict = {}
responsedict['errcode'] = 1
responsedict['errmsg'] = 'Agent received a zero-length request.'
try:
s.send_response(400)
s.send_header("Content-type", "application/json")
s.end_headers()
jsonstr = json.dumps(responsedict)
s.wfile.write(jsonstr.encode("UTF-8"))
except:
pass
return
# get the POSTed payload
jsonstr_data = s.rfile.read(length).decode('utf-8')
# Try to convert it to JSON
try:
jsondata = json.loads(jsonstr_data)
except:
responsedict = {}
responsedict['errcode'] = 1
responsedict['errmsg'] = 'bad posted data.'
try:
s.send_response(400)
s.send_header("Content-type", "application/json")
s.end_headers()
jsonstr = json.dumps(responsedict)
s.wfile.write(jsonstr.encode("UTF-8"))
except:
pass
return
if s.path == '/system/config':
# ------------- Update startup config ------------------
try:
scfg = jsondata['startup']
startupCfg = AgentConfigSettings()
startupCfg.fromJsondict(scfg)
dirname, filename = os.path.split(os.path.abspath(__file__))
cfgFile = dirname + '/sparrowwifiagent.cfg'
retVal = startupCfg.toConfigFile(cfgFile)
if not retVal:
# HTML 400 = Bad request
s.send_response(400)
responsedict = {}
responsedict['errcode'] = 2
responsedict['errmsg'] = 'An error occurred saving the startup config.'
try:
s.send_response(400)
s.send_header("Content-type", "application/json")
s.end_headers()
jsonstr = json.dumps(responsedict)
s.wfile.write(jsonstr.encode("UTF-8"))
except:
pass
except:
responsedict = {}
responsedict['errcode'] = 3
responsedict['errmsg'] = 'Bad startup config.'
try:
s.send_response(400)
s.send_header("Content-type", "application/json")
s.end_headers()
jsonstr = json.dumps(responsedict)
s.wfile.write(jsonstr.encode("UTF-8"))
except:
pass
# ------------- Check if we should reboot ------------------
if 'rebootagent' in jsondata:
rebootFlag = jsondata['rebootagent']
if rebootFlag:
responsedict = {}
responsedict['errcode'] = 0
responsedict['errmsg'] = 'Restarting agent.'
try:
s.send_response(200)
s.send_header("Content-type", "application/json")
s.end_headers()
jsonstr = json.dumps(responsedict)
s.wfile.write(jsonstr.encode("UTF-8"))
except:
pass
restartAgent()
# If we're restarting, we'll never get to running config.
# ------------- Update Running config ------------------
try:
rcfg = jsondata['running']
tmpcfg = AgentConfigSettings()
tmpcfg.fromJsondict(rcfg)
updateRunningConfig(tmpcfg)
except:
responsedict = {}
responsedict['errcode'] = 4
responsedict['errmsg'] = 'Bad running config.'