modularize code, add non-interactive mode, update README, add --help

README

@@ -8,7 +8,7 @@ Requirements:
 * Gtk+ 3
 * sudo
 
-Usage:
+Usage (interactive mode):
 * run script
 * select wifi device
 * select game version
@@ -16,3 +16,9 @@ Usage:
 * enter your password in terminal
 * in game go to Smash > Group
 * ... profit?
+
+Usage (non-interactive mode):
+* smashbroshaxer <wifi-device> <pcap-file>
+* enter your password in terminal
+* in game go to Smash > Group
+* ... profit?

smashbroshaxer

@@ -3,6 +3,9 @@
 basedir=$(readlink -m "${BASH_SOURCE[0]}")
 basedir=$(dirname ${basedir})
 
+reldate="2016/07/24"
+version="2.0"
+
 if [[ $(uname -m) == "x86_64" ]]; then
 	YAD=${basedir}/bin/yad.64
 	AIREPLAY=${basedir}/bin/aireplay-ng.64
@@ -10,6 +13,31 @@ else	YAD=${basedir}/bin/yad.32
 	AIREPLAY=${basedir}/bin/aireplay-ng.32
 fi
 
+smash_my_hax () {
+
+	x-terminal-emulator -e /bin/bash -c \
+		"sudo ifconfig ${device} down && \
+		sudo iwconfig ${device} mode monitor && \
+		sudo ifconfig ${device} up && \
+		yes | sudo ${AIREPLAY} \
+			--interactive \
+			-r ${replay} \
+			-h 59:ee:3f:2a:37:e0 \
+			-x 20 \
+			${device}"
+
+}
+
+open_3ds_homebrew () {
+	xdg-open "https://smealum.github.io/3ds/"
+}
+
+open_smashbroshax () {
+	xdg-open "https://github.com/yellows8/3ds_smashbroshax"
+}
+
+interactive_mode () {
+
 	wireless=""
 	for device in /sys/class/net/*; do
 		[[ -e ${device}/wireless ]] && \
@@ -48,32 +76,50 @@ array=($(${YAD} \
 	ret=$?
 
 	device=${array[0]}
-replay=${array[1]}
+	replay=${basedir}/pcap/${array[1]}
 
 	case ${ret} in
+		0 )	smash_my_hax		;;
 
-	0 )
-		x-terminal-emulator -e /bin/bash -c \
-		"sudo ifconfig ${device} down && \
-		sudo iwconfig ${device} mode monitor && \
-		sudo ifconfig ${device} up && \
-		yes | sudo ${AIREPLAY} \
-			--interactive \
-			-r ${basedir}/pcap/${replay} \
-			-h 59:ee:3f:2a:37:e0 \
-			-x 20 \
-			${device}"
-	;;
+		2 )	open_3ds_homebrew	;;
 
-	2 )
-		xdg-open "https://smealum.github.io/3ds/"
-	;;
+		3 )	open_smashbroshax	;;
 
-	3 )
-		xdg-open "https://github.com/yellows8/3ds_smashbroshax"
-	;;
-
-	1 )
-		echo -e "\n  cancelled by user \n"
+		1 )	echo -e "\n  cancelled by user \n"
 			exit 1
+		;;
+	esac
+
+}
+
+case ${1} in
+	--help )
+		echo -e "
+smashbroshaxer version ${version} (${reldate})
+
+usage:
+	smashbroshaxer			| interactive (UI) mode
+	smashbrosaxer <wifi> <pcap>	| non-interactive mode
+"
+	;;
+
+	"" )
+		interactive_mode
+	;;
+
+	* )
+		if [[ -e /sys/class/net/${1}/wireless ]]; then
+			device=${1}
+		else	echo -e "\nspecified device ${1} is not a wireless device!\n"
+			exit 1
+		fi
+
+		if [[ -f ${2} ]]; then
+			replay=$(readlink -m ${2})
+		else	echo -e "\nspecified replay ${2} is not a pcap replay!\n"
+			exit 1
+		fi
+
+		smash_my_hax
+	;;
 esac