Add randomwifi & formatting tag test

src/echotest.src

@@ -0,0 +1 @@
+print "<size=100%>Echo <size=80%>Echo <size=60%>Echo <size=40%>Echo <size=20%>Echo"

src/randomwifi.src

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+
+crypto = include_lib("/lib/crypto.so")
+
+if not crypto then
+   exit("Can't find crypto.so in /lib")
+end if
+
+max = function(max, num)
+    if num > max then return max
+    return num
+end function
+
+get_random_good_wifi = function()
+    hostComputer = get_shell.host_computer
+    networks = hostComputer.wifi_networks("wlan0")
+    result = []
+    for network in networks
+        parsedItem = network.split(" ")
+        item = {}
+        item.BSSID = parsedItem[0]
+        item.PWR = parsedItem[1][:-1].to_int()
+        item.ESSID = parsedItem[2]
+        result.push(item)
+    end for
+    sort(result, "PWR")
+    len = result.len()
+    slice(result, len/2, -(max(10, len/4)))
+    result.shuffle()
+    return result.pop()
+end function
+
+selectedWifi = get_random_good_wifi()
+potentialAcks = 300000 / selectedWifi.PWR
+
+print("Will need " + potentialAcks + " to get into " + selectedWifi)
+
+res = crypto.airmon("start", "wlan0")
+if not res == true then
+   exit("Can't put wifi in monitor mode:"+ res)
+end if
+
+res = crypto.aireplay(selectedWifi.BSSID, selectedWifi.ESSID, potentialAcks)
+
+if res then
+   exit("Can't capture wifi" + res)
+end if
+
+res = crypto.airmon("stop", "wlan0")
+if not res == true then
+   exit("Can't put wifi in monitor mode:"+ res)
+end if
+
+wifiPassword = crypto.aircrack(home_dir() + "/file.cap")
+
+print("Wifi password for " + selectedWifi.ESSID + ":" + wifiPassword)
+
+connectionResult = get_shell().host_computer().connect_wifi("wlan0", selectedWifi.BSSID, selectedWifi.ESSID, wifiPassword)
+
+if typeof(connectionResult) == "string" then
+   print("There was an error while connecting to new Wifi: " + connectionResult)
+else
+   print("Connected to new Wifi successfully.")
+end if