1 files changed, 73 insertions, 0 deletions
diff --git a/wifi_connect b/wifi_connect
new file mode 100755
index 0000000..a92a07d
--- /dev/null
+++ b/wifi_connect
@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+# wpa_supplicant script to discover and add access points
+# or connect to known access points
+
+set -e
+
+W_IF="wlan0"  # change with your right interface
+WPA_CONF="/etc/wpa_supplicant/wpa_supplicant.conf"
+
+# bogus call of doas to force auth so as to not be bothered by fzf blocking
+# the prompt later on.
+# assumes that you're not being prompt for passwd at every single call :)
+doas echo -n
+
+# with a little help from my friends
+get_essid ()
+{
+	ESSID=$(doas iw ${W_IF} scan | rg "\tSSID" | \
+	sed -e 's/^.*SSID: //g' | sort | uniq | fzf )
+}
+
+known_essid ()
+{
+	ID=$(doas wpa_cli list_networks | rg -F "${ESSID}")
+}
+
+connect_essid ()
+{
+	echo "${ESSID} found, connecting..."
+	echo
+	doas wpa_cli enable_network "${ID}"
+	# uncomment following if using with wpa-conf
+	#echo
+	#doas dhclient -v ${W_IF}
+}
+
+add_essid ()
+{
+	while true; do
+		echo "ESSID PASSWORD: "
+    	read -r ESSID_PASSWD
+		while true; do
+			echo "Is \"${ESSID_PASSWD}\" correct? (y/n)"
+			read -r ANSWER_PASSWD
+			if [ "${ANSWER_PASSWD}" = "y" ]; then
+				ENTRY="$(wpa_passphrase "$ESSID" "$ESSID_PASSWD")"
+				echo "$ENTRY" | doas tee -a $WPA_CONF
+			break
+			fi
+		done
+		break
+	done
+	echo "${ESSID} added, connecting..."
+}
+
+get_essid
+if known_essid; then
+	connect_essid
+	exit
+else
+	while true; do
+		echo "Add this access point? (y/n)"
+		read -r ANSWER_ADD
+		if [ "${ANSWER_ADD}" = "y" ]; then
+			add_essid
+			wpa_cli reconfigure
+			known_essid
+			connect_essid
+			exit
+		fi
+	done
+fi