commit e319782a57045bf97c046b2e5e5b8d507f4fb034
parent 85347a9252c80428da515886c2d4574928e5ee46
Author: Matthew Carlson <matt@mcarlson.xyz>
Date: Thu, 5 Aug 2021 21:09:38 -0400
started on net script
Diffstat:
| A | .local/bin/bar/net.sh | | | 118 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 118 insertions(+), 0 deletions(-)
diff --git a/.local/bin/bar/net.sh b/.local/bin/bar/net.sh
@@ -0,0 +1,118 @@
+#!/bin/sh
+#
+# net
+
+NEWLINE='
+'
+
+net_menu() {
+ main_menu() {
+ # get first 802.11 capable device from /sys/class/net
+ interface="$(for dev in /sys/class/net/*; do
+ [ -e "${dev}/wireless" ] && printf '%s\n' "${dev##*/}"
+ done | head -n 1)"
+
+ # scan interface for available networks
+ iwctl station "${interface}" scan
+
+ # user can connect, disconnect, or forget network
+ # don't care bout access points or other stuff
+ show_menu 'Wifi Menu' 'Connect' 'Disconnect' 'Forget'
+ }
+
+ connect() {
+ # get networks and their types + signals
+ info="$(iwctl station "${interface}" get-networks | grep '\s' | tail +3 | awk '{ $1 = $1 }; 1' | sed -e 's/\x1b\[[0-9;]*m//g')"
+
+ # names
+ network_names="$(get_network_info '1')"
+ # valid network types are open, wep, psk, 8021x
+ network_types="$(printf '%s\n' "${info}" | awk '{ for (i=1;i<=NF;i++){ if ($i ~ /open|wep|psk|8021x/) { print $i } } }')"
+ # strength will be 1-4 asterisks
+ network_strengths="$(get_network_info '2')"
+
+ # combine info with delimiter b/c wifi names can have spaces which messes with awk
+ i=1
+ combined_info="$(printf '%s\n' "${network_names}" | ( while read -r name; do
+ # get type and strength associated with network
+ ntype="$(printf '%s\n' "${network_types}" | sed -n ${i}p)"
+ strength="$(printf '%s\n' "${network_strengths}" | sed -n ${i}p)"
+
+ # append network as new line to variable (with newline if not first)
+ if [ ${i} -eq 1 ]; then combined_info="${name}|${ntype}|${strength}"
+ else combined_info="${combined_info}${NEWLINE}${name}|${ntype}|${strength}"
+ fi
+
+ i=$((i+1))
+ done
+ printf '%s\n' "${combined_info}" ))"
+
+ # user can choose network to connect to
+ network="$(show_menu 'Connect' "${network_names}")"
+
+ # if network starts with '> ' it means user is already on that network
+ case "${network}" in '> '*) printf 'Already connected to this network\n' && return ;; esac
+
+ # if network is wep, psk, or 8021x get passphrase
+ case "$(printf '%s\n' "${combined_info}" | grep "${network}" | awk -F '|' '{print $2}')" in
+ 'wep'|'psk'|'8021x') get_passphrase ;;
+ # if open just connect without passphrase
+ 'open') iwctl station "${interface}" connect "${network}"
+ esac
+
+ # connect with passphrase
+ [ -n "${passphrase}" ] && iwctl --passphrase "${passphrase}" station "${interface}" connect "${network}"
+ }
+
+ disconnect() {
+ :
+ }
+
+ forget() {
+ :
+ }
+
+ # get network columns separately
+ get_network_info() {
+ types='open|wep|psk|8021x'
+ printf '%s\n' "${info}" | awk -v var="${1}" -F "\\${types}" '{ print $var }' | sed 's/^[ \t]*//;s/[ \t]*$//'
+ }
+
+ # hide input with dmenu -P flag
+ get_passphrase() { passphrase="$(dmenu -c -p 'Passphrase:' -P)" ; }
+
+ show_menu() {
+ # first arg is prompt
+ prompt="${1}"
+ shift
+
+ # remaining opts are options
+ options="$(for option in "${@}"; do
+ printf '%s\n' "${option}"
+ done)"
+
+ # print using dmenu
+ answer="$(printf '%s\n' "${options}" | dmenu -c -l 10 -p "${prompt}")"
+
+ # get user's answer
+ printf '%s\n' "${options}" | while read -r line; do
+ if [ "${line}" = "${answer}" ]; then
+ # if answer is a command run it else just print it
+ cmd="$(printf '%s\n' "${answer}" | tr '[:upper:]' '[:lower:]')"
+ if command -v "${cmd}" 2>/dev/null; then "${cmd}"
+ else printf '%s\n' "${answer}"
+ fi
+ break
+ fi
+ done
+ }
+
+ main_menu
+}
+
+
+main() {
+ net_menu
+}
+
+main "${@}"
