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archboot/usr/bin/archboot-network.sh
Tobias Powalowski b3aa3dfa43 replace find with fd
2024-06-27 17:50:40 +02:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: GPL-3.0-or-later
# written by Tobias Powalowski <tpowa@archlinux.org>
. /usr/lib/archboot/common.sh
_TITLE="archboot.com | ${_RUNNING_ARCH} | ${_RUNNING_KERNEL} | Basic Setup | Network Configuration"
_printk()
{
case ${1} in
"on") echo 4 >/proc/sys/kernel/printk ;;
"off") echo 0 >/proc/sys/kernel/printk ;;
esac
}
_online_switch() {
if _dialog --title " Offline Mode " --defaultno --yesno "Do you want to switch to Online Mode?" 5 45; then
rm /var/cache/pacman/pkg/archboot.db
else
_cleanup
fi
}
_net_interfaces() {
fd -E '/lo' . '/sys/class/net' -x rg '(.*)' -r '{/} $1' {}/address | sort -u
}
_essid_scan() {
iwctl station "${_INTERFACE}" scan &>"${_NO_LOG}"
_COUNT=0
while true; do
sleep 1
_COUNT=$((_COUNT+1))
# abort after 5 seconds
_progress "$((_COUNT*20))" "Scanning $((5-_COUNT)) second(s) for SSIDs with interface ${_INTERFACE}..."
[[ "${_COUNT}" == 5 ]] && break
done
}
_wireless() {
_WLAN_HIDDEN=""
_WLAN_SSID=""
_WLAN_KEY=""
_WLAN_AUTH=""
# unblock all interfaces!
rfkill unblock all
# disconnect the interface first!
iwctl station "${_INTERFACE}" disconnect &>"${_NO_LOG}"
# clean old keys first!
rm -f /var/lib/iwd/* &>"${_NO_LOG}"
_CONTINUE=""
while [[ -z "${_CONTINUE}" ]]; do
# scan the area
_essid_scan | _dialog --title " Network Configuration " --no-mouse --gauge "Scanning 5 second(s) for SSIDs with interface ${_INTERFACE}..." 6 60
# only show lines with signal '*'
# kill spaces from the end and replace spaces with + between
#shellcheck disable=SC2086,SC2046
if _dialog --cancel-label "${_LABEL}" --title " SSID Scan Result " --menu "Empty spaces in your SSID are replaced by '+' char" 13 60 6 \
"RESCAN" "SSIDs" "HIDDEN" "SSID" $(iwctl station "${_INTERFACE}" get-networks |\
rg -o ' {6}(.{34}).*\*' -r '$1' |\
sd ' ' '+' | sd '\+*\n$' ' _') 2>"${_ANSWER}"; then
_WLAN_SSID=$(cat "${_ANSWER}")
_CONTINUE=1
if rg -q 'RESCAN' "${_ANSWER}"; then
_CONTINUE=""
fi
else
_abort
fi
done
_WLAN_CONNECT="connect"
if [[ "${_WLAN_SSID}" == "HIDDEN" ]]; then
_dialog --no-cancel --title " HIDDEN SSID " --inputbox "" 7 65 "secret" 2>"${_ANSWER}"
_WLAN_SSID=$(cat "${_ANSWER}")
_WLAN_CONNECT="connect-hidden"
_WLAN_HIDDEN=1
fi
# replace # with spaces again
#shellcheck disable=SC2001,SC2086
_WLAN_SSID="$(echo ${_WLAN_SSID} | sd '\+' ' ')"
# expect hidden network has a WLAN_KEY
#shellcheck disable=SC2143
if ! [[ "$(iwctl station "${_INTERFACE}" get-networks | rg -q "${_WLAN_SSID}.*open")" ]] \
|| [[ "${_WLAN_CONNECT}" == "connect-hidden" ]]; then
_dialog --no-cancel --title " Connection Key " --inputbox "" 7 50 "Secret-WirelessKey" 2>"${_ANSWER}"
_WLAN_KEY=$(cat "${_ANSWER}")
fi
# time to connect
_dialog --title " Network Configuration " --no-mouse --infobox "Connecting to '${_WLAN_SSID}'\nwith interface ${_INTERFACE}..." 4 50
_printk off
if [[ -z "${_WLAN_KEY}" ]]; then
echo "" | iwctl station "${_INTERFACE}" "${_WLAN_CONNECT}" "${_WLAN_SSID}" &>"${_NO_LOG}" && _WLAN_AUTH=1
else
iwctl --passphrase="${_WLAN_KEY}" station "${_INTERFACE}" "${_WLAN_CONNECT}" "${_WLAN_SSID}" &>"${_NO_LOG}" && _WLAN_AUTH=1
fi
sleep 3
_printk on
if [[ -n "${_WLAN_AUTH}" ]]; then
_dialog --title " Success " --no-mouse --infobox "Authentification to '${_WLAN_SSID}' was successful." 3 70
sleep 2
return 0
else
_dialog --title " ERROR " --no-mouse --infobox "Authentification to ${_WLAN_SSID}' failed.\nPlease configure again!" 4 70
sleep 5
return 1
fi
}
_network() {
if [[ -e "/var/cache/pacman/pkg/archboot.db" ]]; then
_online_switch
fi
_NETPARAMETERS=""
while [[ -z "${_NETPARAMETERS}" ]]; do
# select network interface
_INTERFACE=""
_INTERFACES=$(_net_interfaces)
while [[ -z "${_INTERFACE}" ]]; do
#shellcheck disable=SC2086
if _dialog --cancel-label "${_LABEL}" --title " Network Interface " --menu "" 11 40 5 ${_INTERFACES} 2>"${_ANSWER}"; then
_INTERFACE=$(cat "${_ANSWER}")
else
_abort
fi
done
echo "${_INTERFACE}" >/.network-interface
# iwd renames wireless devices to wlanX
if echo "${_INTERFACE}" | rg -q 'wlan'; then
_CONNECTION="wireless"
else
_CONNECTION="ethernet"
fi
# profile name
_NETWORK_PROFILE=""
_dialog --no-cancel --title " Network Profile Name " --inputbox "" 7 40 "${_INTERFACE}-${_CONNECTION}" 2>"${_ANSWER}"
_NETWORK_PROFILE=/etc/systemd/network/$(cat "${_ANSWER}").network
# wifi setup first
_CONTINUE=""
while [[ -z "${_CONTINUE}" && "${_CONNECTION}" == "wireless" ]]; do
if _wireless; then
_CONTINUE=1
else
_CONTINUE=""
fi
done
# dhcp switch
_IP=""
if _dialog --title " Network Configuration " --yesno "Do you want to use DHCP?" 5 40; then
_IP="dhcp"
_IPADDR=""
_GW=""
_DNS=""
else
_IP="static"
_dialog --no-cancel --title " IP Address And Netmask " --inputbox "" 7 40 "192.168.1.23/24" 2>"${_ANSWER}"
_IPADDR=$(cat "${_ANSWER}")
_dialog --no-cancel --title " Gateway " --inputbox "" 7 40 "192.168.1.1" 2>"${_ANSWER}"
_GW=$(cat "${_ANSWER}")
_dialog --no-cancel --title " Domain Name Server " --inputbox "" 7 40 "192.168.1.1" 2>"${_ANSWER}"
_DNS=$(cat "${_ANSWER}")
fi
# http/ftp proxy settings
_dialog --no-cancel --title " Proxy Server " --inputbox "\nhttp://name:port\nhttp://ip:port\nhttp://username:password@ip:port\n\n Leave the field empty if no proxy is needed to install." 13 65 "" 2>"${_ANSWER}"
_PROXY=$(cat "${_ANSWER}")
_PROXIES="http_proxy https_proxy ftp_proxy rsync_proxy HTTP_PROXY HTTPS_PROXY FTP_PROXY RSYNC_PROXY"
_dialog --title " Summary " --yesno "Interface: ${_INTERFACE}\nConnection: ${_CONNECTION}\nNetwork profile: ${_NETWORK_PROFILE}\nSSID: ${_WLAN_SSID}\nHidden: ${_WLAN_HIDDEN}\nKey: ${_WLAN_KEY}\ndhcp or static: ${_IP}\nIP address: ${_IPADDR}\nGateway: ${_GW}\nDNS server: ${_DNS}\nProxy setting: ${_PROXY}" 0 0 && _NETPARAMETERS=1
done
# write systemd-networkd profile
echo "#$_NETWORK_PROFILE generated by archboot setup" > "${_NETWORK_PROFILE}"
#shellcheck disable=SC2129
echo "[Match]" >> "${_NETWORK_PROFILE}"
echo "Name=${_INTERFACE}" >> "${_NETWORK_PROFILE}"
echo "" >> "${_NETWORK_PROFILE}"
echo "[Network]" >> "${_NETWORK_PROFILE}"
echo "MulticastDNS=yes" >> "${_NETWORK_PROFILE}"
[[ "${_IP}" == "dhcp" ]] && echo "DHCP=yes" >> "${_NETWORK_PROFILE}"
if [[ "${_CONNECTION}" == "wireless" ]]; then
#shellcheck disable=SC2129
echo "IgnoreCarrierLoss=3s" >>"${_NETWORK_PROFILE}"
fi
if [[ "${_IP}" == "static" ]]; then
#shellcheck disable=SC2129
echo "Address=${_IPADDR}" >>"${_NETWORK_PROFILE}"
echo "Gateway=${_GW}" >>"${_NETWORK_PROFILE}"
echo "DNS=${_DNS}" >>"${_NETWORK_PROFILE}"
fi
# set proxies
if [[ -z "${_PROXY}" ]]; then
for i in ${_PROXIES}; do
unset "${i}"
done
else
for i in ${_PROXIES}; do
export "${i}"="${_PROXY}"
echo "export ${i}=${_PROXY}" >> /etc/profile.d/proxy.sh
chmod a+x "${_DESTDIR}"/etc/profile.d/proxy.sh
done
fi
if [[ -e /etc/systemd/network/10-wired-auto-dhcp.network ]]; then
echo "Disabled Archboot's bootup wired auto dhcp browsing." >"${_LOG}"
rm /etc/systemd/network/10-wired-auto-dhcp.network
fi
echo "Using setup's network profile ${_NETWORK_PROFILE} now..." >"${_LOG}"
systemctl restart systemd-networkd
systemctl restart systemd-resolved
# add sleep here for systemd-resolve get correct values
_COUNT=0
while true; do
sleep 1
if getent hosts www.google.com &>"${_LOG}"; then
_progress "100" "Network configuration completed successfully."
sleep 2
return 0
fi
_COUNT=$((_COUNT+1))
# abort after 10 seconds
_progress "$((_COUNT*10))" "Waiting $((10-_COUNT)) seconds for network link to come up..."
[[ "${_COUNT}" == 10 ]] && break
done | _dialog --title " Network Configuration " --no-mouse --gauge "Waiting 10 seconds for network link to come up..." 6 60 0
if ! getent hosts www.google.com &>"${_LOG}"; then
_dialog --title " ERROR " --no-mouse --infobox "Your network is not working correctly, please configure again!" 3 60
sleep 3
return 1
fi
}
_check
while true; do
_network && break
done
_cleanup
# vim: set ft=sh ts=4 sw=4 et:
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