Merge pull request hephaest0s#2 from hephaest0s/master

Update

README.md

@@ -1,8 +1,8 @@
 ![usbkill](https://github.com/pwnsdx/usbkill/blob/master/Resources/USBKill.jpg?raw=true)
 
-« usbkill » is a killswitch that wait for a change on your USB ports and then immediately shutdown your computer when there are. Anti-forensics.
+« usbkill » is a kill-switch that waits for a change on your USB ports and then immediately shuts down your computer. Anti-forensic.
 
-> The project is still in early development stage but it does work and is effective. Expect improvements to come. Custom commands for when a USB change is observed will be implemented later.
+> The project is still under development but it does work and is effective. Expect improvements to come. Custom commands for when a USB change is observed will be implemented.
 
 To run:
 
@@ -12,11 +12,11 @@ sudo python3 usbkill.py
 
 ### Why?
 
-Imagine your government comes busting in, or steals your laptop when you are at a public library (as with Ross). The police commonly use a « [mouse jiggler](http://www.amazon.com/Cru-dataport-Jiggler-Automatic-keyboard-Activity/dp/B00MTZY7Y4/ref=pd_bxgy_pc_text_y/190-3944818-7671348) » to keep the screensaver and sleep mode from activating.
+In case the police or other thugs come busting in (or steal your laptop from you when you are at a public library as happened to Ross). You can use this as an anti-forensic measure. 
 
-If something like this happens to you, you would like to shutdown your computer immediately. This is what usbkill does.
+The police commonly uses a « [mouse jiggler](http://www.amazon.com/Cru-dataport-Jiggler-Automatic-keyboard-Activity/dp/B00MTZY7Y4/ref=pd_bxgy_pc_text_y/190-3944818-7671348) » to keep the screensaver and sleep mode from activating.
 
-Of course your government could be replaced by an adversary like a hacker or anyone else who want your informations.
+If you are attacked this way, you would like for your computer to shut down your immediately.
 
 > **Important**: Make sure to use full disk encryption! Otherwise they will get in anyway. 
 

usbkill.py

@@ -34,7 +34,7 @@ def log(msg):
 	os.system("echo '' >> " + logfile)
 
 	# Log the message that needed to be logged:
-	os.system("echo '" + str(time) + " " + msg + "' >> " + logfile)
+	os.system("echo '" + str(time()) + " " + msg + "' >> " + logfile)
 
 	# Log current usb state:
 	os.system("echo 'Current state:' >> " + logfile)
@@ -70,7 +70,7 @@ def lsusb():
 def settings_template(filename):
 	# Make sure there is the settings folder
 	if not os.path.isdir("/etc/usbkill/"):
-		os.system("mkdir /etc/usbkill/")
+		os.mkdir("/etc/usbkill/")
 	# Make sure there is a settings file
 	if not os.path.isfile(filename):
 		# Pre-populate the settings file if it does not exist yet
@@ -113,7 +113,7 @@ def loop(whitelisted_devices, sleep_time):
 	acceptable_devices = set(start_devices + whitelisted_devices)
 
 	# Write to logs that loop is starting:
-	msg = "Started patrolling the USB ports every", sleep_time, "seconds..."
+	msg = "Started patrolling the USB ports every " + str(sleep_time) + " seconds..."
 	log(msg)
 	print(msg)
 
@@ -154,7 +154,7 @@ def exit_handler(signum, frame):
 
 	# Make sure there is a logging folder
 	if not os.path.isdir("/var/log/usbkill/"):
-		os.system("mkdir /var/log/usbkill/")
+		os.mkdir("/var/log/usbkill/")
 
 	# Make sure settings file is available
 	settings_template(SETTINGS_FILE)