#!/usr/bin/python
#SnortRand - FamousJS
import os,sys

def main():
	if len(sys.argv) != 2:
		print "Please supply an argument"
		sys.exit(0)

	userSig = sys.argv[1]
	bytes = userSig.split(' ')

	results = parseBytes(bytes)

	printSig(results)

def parseBytes(bytes):
	results = []
	r = result()
	index = 0
	r.index = index
	index += 1
	results.append(r)

	wasRandom = False
	randBytes = 0
	for byte in bytes:
		if byte != "??":
			r.current += byte
			wasRandom = False
		else:
			if wasRandom:
				r.randBytes += 1
				continue
			r = result()
			r.index = index
			r.previous = results[index-1].current
			index += 1
		
			results.append(r)
			r.randBytes += 1
			wasRandom = True

	return results	

def printSig(results):
	sidNum = 1
	signature = ""	

	for res in results:
		current = res.current
		if res.previous != "":
			distance = res.randBytes
			within = (len(res.current)/2) + distance
			signature += "content: \"|%s|\"; distance: %d; within: %d; " % (current, distance, within)
		else:
			signature += "content: \"|%s|\"; " % current	

	print signature


class result(object):
	index = None
	current = ""
	previous = ""
	randBytes = 0
	

if __name__ == "__main__":
	main()