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#!/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
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