Software Lag Switch for Rooted Android

[Wiffzack]

The script consists of 2 parts, a server script for Android in Bash and a client script for Windows in AutoIT.

 

The script sends commands to the mobil phone using netcat.
The script uses Traffic Control (TC) to limit the upload to 5 KByte which should cause lags.

 

 

AutoIT Script on Windows:

expandcollapse popup

#Region ;**** Directives created by AutoIt3Wrapper_GUI ****
#AutoIt3Wrapper_Icon=Download.ico
#EndRegion ;**** Directives created by AutoIt3Wrapper_GUI ****
AutoItSetOption("WinTitleMatchMode", 4)

HotKeySet("q", "on")
HotKeySet("e", "off")
HotKeySet("x", "Quit")

While 1
    Sleep(100)
WEnd

Func on()
;Run('ncat 192.168.43.1 80')
Run("ncat 192.168.43.1 80", "", @SW_HIDE)
ProcessWait("ncat.exe")
Local $hwnd = WinGetHandle("[REGEXPTITLE:(?i)(.*ncat.*|.*ncat.*)]")
;WinWaitActive("ncat.exe", "", 1)
ControlSend($hwnd, "", "", "on{Enter}")
Sleep(50)
ProcessClose("ncat.exe")

EndFunc   ;==>on

Func off()
Run("ncat 192.168.43.1 80", "", @SW_HIDE)
ProcessWait("ncat.exe")
Local $hwnd = WinGetHandle("[REGEXPTITLE:(?i)(.*ncat.*|.*ncat.*)]")
ControlSend($hwnd, "", "", "off{Enter}")
Sleep(50)
ProcessClose("ncat.exe")
EndFunc   ;==>off

Func Quit()
    Exit
EndFunc   ;==>Quit

Bash Script on Android:

#!/system/bin/sh
#if [ -n "$readt" ]

iptables -F
iptables -A INPUT -i wlan0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A INPUT -i wlan0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT

on='on';
off='off';

while :
do
nc -l 192.168.43.1:80 > /sdcard/Scripts/nc.log
readt=$(cat /sdcard/Scripts/nc.log | awk '{print $1}')
if [ "$readt" == "$on" ]; then
echo "lag on"
tc qdisc add dev rmnet0 handle 1: root htb default 11 
tc class add dev rmnet0 parent 1: classid 1:1 htb rate 10kbps
tc class add dev rmnet0 parent 1:1 classid 1:11 htb rate 10kbps
> /sdcard/Scripts/nc.log
else
if [ "$readt" == "$off" ]; then
echo "lag off"
tc qdisc del dev rmnet0 root
> /sdcard/Scripts/nc.log
fi
fi
done

 

[TheSaint]

Hi Wiffzack, welcome to the forum.

Are you asking a question, for I don't see it?

Or are you posting this for the benefit of others?

If the latter, then you probably should have posted it in the Examples section of the forum, as this is purely for Discussions about Developing. If this is the case, then Report your topic and ask for it to be relocated to Examples.

Similar scenario if you are after Help, as it should be in GH&S in that case.