#!/usr/bin/python
#airodump parsing lib
#returns in an array of client and Ap information
#part of the airdrop-ng project
from sys import exit as Exit
class airDumpParse:
	def parser(self,file):
		"""
		One Function to call to parse a file and return the information
		"""
		fileOpenResults = self.airDumpOpen(file)
		parsedResults 	= self.airDumpParse(fileOpenResults)
		capr 		= self.clientApChannelRelationship(parsedResults)
		rtrnList 	= [capr,parsedResults]
		return rtrnList
		
	def airDumpOpen(self,file):
		"""
		Takes one argument (the input file) and opens it for reading
		Returns a list full of data
		"""
		try:
			openedFile = open(file, "r")
		except IOError:
			print "Error Airodump File",file,"does not exist"
			Exit(1)
		data = openedFile.xreadlines()
		cleanedData = []
		for line in data:
			cleanedData.append(line.rstrip())
		openedFile.close()
		return cleanedData
	
	def airDumpParse(self,cleanedDump):
		"""
		Function takes parsed dump file list and does some more cleaning.
		Returns a list of 2 dictionaries (Clients and APs)
		"""
		try: #some very basic error handeling to make sure they are loading up the correct file
			try:
				apStart = cleanedDump.index('BSSID, First time seen, Last time seen, Channel, Speed, Privacy, Power, # beacons, # data, LAN IP, ESSID')
			except Exception:
				apStart = cleanedDump.index('BSSID, First time seen, Last time seen, channel, Speed, Privacy, Cipher, Authentication, Power, # beacons, # IV, LAN IP, ID-length, ESSID, Key')
			del cleanedDump[apStart] #remove the first line of text with the headings
			try:
				stationStart = cleanedDump.index('Station MAC, First time seen, Last time seen, Power, # packets, BSSID, Probed ESSIDs')
			except Exception:
				stationStart = cleanedDump.index('Station MAC, First time seen, Last time seen, Power, # packets, BSSID, ESSID')
		except Exception:
			print "You Seem to have provided an improper input file please make sure you are loading an airodump txt file and not a pcap"
			Exit(1)
	
		del cleanedDump[stationStart] #Remove the heading line
		clientList = cleanedDump[stationStart:] #Splits all client data into its own list
		del cleanedDump[stationStart:] #The remaining list is all of the AP information
		apDict = self.apTag(cleanedDump)
		clientDict = self.clientTag(clientList)
		resultDicts = [clientDict,apDict] #Put both dictionaries into a list
		return resultDicts
	
	def apTag(self,devices):
		"""
		Create a ap dictionary with tags of the data type on an incoming list
		"""
		dict = {}
		for entry in devices:
			ap = {}
			string_list = entry.split(',')
			#sorry for the clusterfuck but i swear it all makse sense this is builiding a dic from our list so we dont have to do postion calls later
			len(string_list)
			if len(string_list) == 15:
				ap = {"bssid":string_list[0].replace(' ',''),
					"fts":string_list[1],
					"lts":string_list[2],
					"channel":string_list[3].replace(' ',''),
					"speed":string_list[4],
					"privacy":string_list[5].replace(' ',''),
					"cipher":string_list[6],
					"auth":string_list[7],
					"power":string_list[8],
					"beacons":string_list[9],
					"iv":string_list[10],
					"ip":string_list[11],
					"id":string_list[12],
					"essid":string_list[13][1:],
					"key":string_list[14]}
			elif len(string_list) == 11:
				ap = {"bssid":string_list[0].replace(' ',''),
					"fts":string_list[1],
					"lts":string_list[2],
					"channel":string_list[3].replace(' ',''),
					"speed":string_list[4],
					"privacy":string_list[5].replace(' ',''),
					"power":string_list[6],
					"beacons":string_list[7],
					"data":string_list[8],
					"ip":string_list[9],
					"essid":string_list[10][1:]}
			if len(ap) != 0:
				dict[string_list[0]] = ap
		return dict
	
	def clientTag(self,devices):
		"""
		Create a client dictionary with tags of the data type on an incoming list
		"""
		dict = {}
		for entry in devices:
			client = {}
			string_list = entry.split(',')
			if len(string_list) >= 7:
				client = {"station":string_list[0].replace(' ',''),
					"fts":string_list[1],
					"lts":string_list[2],
					"power":string_list[3],
					"packets":string_list[4],
					"bssid":string_list[5].replace(' ',''),
					"probe":string_list[6:][0:]}
			if len(client) != 0:
				dict[string_list[0]] = client
		return dict
	
	def clientApChannelRelationship(self,data):
		"""
		parse the dic for the relationships of client to ap
		"""
		clients = data[0]
		AP = data[1]
		NA = [] #create a var to keep the not associdated clients
		NAP = [] #create a var to keep track of associated clients to AP's we cant see
		apCount = {} #count number of Aps dict is faster the list stored as BSSID:number of essids
		apClient = {} #dict that stores bssid and clients as a nested list
		for key in (clients):
			mac = clients[key] #mac is the MAC address of the client
			if mac["bssid"] != ' (notassociated) ': #one line of of our dictionary of clients
				if AP.has_key(mac["bssid"]): # if it is check to see its an AP we can see and have info on
					if apClient.has_key(mac["bssid"]): 
						apClient[mac["bssid"]].extend([key]) #if key exists append new client
					else: 
						apClient[mac["bssid"]] = [key] #create new key and append the client
				else: NAP.append(key) # stores the clients that are talking to an access point we cant see
			else: NA.append(key) #stores the lines of the not assocated AP's in a list
		return apClient
	

