dotfiles

commit d312f1d10163f7a41139f2c421495917947610ae
parent b065f431b276364838dd9a4601b2d78ccb6cd480
Author: Anders Damsgaard <andersd@riseup.net>
Date:   Fri,  2 Mar 2018 15:47:00 -0500

Add script to spoof mac addresses

Diffstat:
A
links/bin/spoof-mac-address.sh
 | 
32
++++++++++++++++++++++++++++++++

1 file changed, 32 insertions(+), 0 deletions(-)
diff --git a/links/bin/spoof-mac-address.sh b/links/bin/spoof-mac-address.sh
@@ -0,0 +1,32 @@
+#!/bin/bash -e
+device=en0
+
+yellow=`tput setaf 3`
+reset=`tput sgr0`
+
+function printmac {
+    echo $(ifconfig $device | grep ether | sed 's/ether //')
+}
+
+echo -en "${yellow}Mac address of $device before:${reset}\t"
+printmac
+
+echo "Bringing $device down"
+sudo ifconfig $device down
+
+sleepduration=$(echo 10 + $RANDOM/1000 | bc)
+echo -e "${yellow}Sleeping $sleepduration seconds...${reset}"
+sleep $sleepduration
+
+echo "Bringing $device up"
+sudo ifconfig $device up
+
+sleep 1
+
+fakemac=$(od -An -N6 -tx1 /dev/urandom | \
+    sed -e 's/^  *//' -e 's/  */:/g' -e 's/:$//' -e 's/^\(.\)[13579bdf]/\10/')
+echo "Spoofing MAC address for $device"
+sudo ifconfig $device ether $fakemac
+
+echo -en "${yellow}Mac address of $device after:${reset}\t"
+printmac