Interfaces top-level generator #1

network/config-interfaces

@@ -0,0 +1,101 @@
+#!/bin/sh
+
+# [1] Manage missing parameter
+if [ $# -lt 1 ]; then
+	echo "missing argument {interface_path}" && exit;
+fi;
+
+# variables
+path=`realpath $1`;
+CONFIG="";
+
+# [2] create current config backup (safe)
+cp $path $path.save \
+	&& echo "config backup created" \
+	|| ( echo "cannot create config backup" && exit );
+
+# [3] Data / Option choice 
+echo "\n== REQUIRED ==";
+
+	# (1) Manage interface choice
+	read -p "Interface name: " iface_name;
+	
+	test -z "$iface_name" && echo "empty interface name !\naborting" && exit;
+
+	CONFIG="auto $iface_name";
+
+
+
+
+
+	read -p "Use dhcp or static config (d/s) [d]" config_type;
+
+	test -z "$config_type" && config_type="d";
+
+	## (1) STATIC IP ##
+	if [ $config_type = "s" ]; then
+
+		CONFIG="$CONFIG\niface $iface_name inet static";
+		
+		echo "\nNetwork configuration (leave blank not to mention a field)";
+		read -p "ip address: " s_address;
+		read -p "network mask: " s_netmask;
+		read -p "network address: " s_network;
+		read -p "gateway address: " s_gateway;
+		read -p "broadcast address: " s_broadcast;
+
+		test -n "$s_address"   && CONFIG="$CONFIG\n\taddress\t$s_address";
+		test -n "$s_netmask"   && CONFIG="$CONFIG\n\tnetmask\t$s_netmask";
+		test -n "$s_network"   && CONFIG="$CONFIG\n\tnetwork\t$s_network";
+		test -n "$s_gateway"   && CONFIG="$CONFIG\n\tgateway\t$s_gateway";
+		test -n "$s_broadcast" && CONFIG="$CONFIG\n\tbroadcast\t$s_broadcast";
+
+	## (2) DHCP ##
+	else
+		CONFIG="$CONFIG\niface $iface_name inet dhcp";
+	fi;
+
+
+
+
+
+
+	# (3) Set wpa if wanted
+	read -p "is it a wireless interface ? (y/n) [n]" is_wireless;
+
+	test -z "$is_wireless" && is_wireless="n";
+
+	## Set Wireless credentials
+	if [ -n "$is_wireless" -a $is_wireless = "y" ]; then
+		read -p "Wifi SSID:" w_ssid;
+		read -p "Wifi PASSWORD:" w_pass;
+
+		w_psk=$( wpa_passphrase "$w_ssid" "$w_pass" | grep -E "^\spsk" | sed 's/^\spsk=//' );
+
+		# add ssid/psk to config
+		CONFIG="$CONFIG\n\twpa-ssid\t$w_ssid\n\twpa-psk\t$w_psk";
+	fi;
+
+
+
+
+echo "\n== OPTIONAL ==";
+
+	# (4) Add pre/post scripts
+	read -p "add 'pre-up' script:" pre_up;
+	test -n "$pre_up" && test -a $pre_up && CONFIG="$CONFIG\n\tpre-up\t$pre_up";
+
+	read -p "add 'up' script:" up;
+	test -n "$up" && test -a $up && CONFIG="$CONFIG\n\tup\t$up";
+
+	read -p "add 'down' script:" up;
+	test -n "$down" && test -a $down && CONFIG="$CONFIG\n\tdown\t$down";
+
+	read -p "add 'post-down' script:" up;
+	test -n "$post_down" && test -a $post_down && CONFIG="$CONFIG\n\tpost-down\t$post_down";
+
+
+
+
+echo $CONFIG > $path;
+echo "\n== WRITTEN TO FILE ==";