Create OSX_launcher.sh

Launcher helper for OSX. 

Checks for running LaunchDaemons using one of responder's ports and unloads them one by one, placing them on a stack to be restarted when responder is killed.

OSX_launcher.sh

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+# responder launcher
+# set -x
+# Usage:
+# ./responderd /path/to/responder interface responder_options
+
+# port list
+# Everything -> tcp:21 tcp:80 tcp:25 udp:53 tcp:88 udp:137 udp:138 tcp:139 tcp:143 tcp:443 tcp:445 tcp:110 tcp:389 tcp:1433 tcp:3141 udp:5353 udp:5355
+PORT_LIST=(tcp:21 udp:53 tcp:88 udp:137 udp:138 tcp:139 tcp:143 tcp:445 tcp:389 tcp:1433 udp:5353 udp:5355)
+SVC_LIST=()
+
+# check for running processes and kill them one by one
+# looping over everything rather than doing a mass kill because some processes may be 
+# children and may not need to be killed
+for port in ${PORT_LIST[@]}; do
+	PROC=$(lsof +c 0 -i $port | grep -m 1 -v 'launchd\|COMMAND' | cut -d' ' -f1)
+	if [ -n "$PROC" ]; then
+        AGENT=$(sudo launchctl list | grep -m 1 $PROC | cut -f3 | sed 's/.reloaded//g')
+
+        # load/unload are listed as "legacy" in 10.10+ may need to change this someday
+		echo "Stopping $PROC"
+        sudo launchctl unload -w /System/Library/LaunchDaemons/$AGENT.plist
+
+        # append killed service to new array
+        SVC_LIST+=($AGENT)
+	fi
+done
+
+# get IP address
+IP=$(ifconfig $2 | grep 'inet ' | cut -d' ' -f2)
+
+# Launch responder
+python $1 $3 -i $IP
+
+# restore stopped services
+for agent in ${SVC_LIST[@]}; do
+	echo "Starting $agent"
+		sudo launchctl load -w /System/Library/LaunchDaemons/$agent.plist
+
+done