shell/tools/setup-wakeonlan.sh
2024-11-24 23:47:04 +08:00

41 lines
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Bash
Executable File

#!/bin/bash
print() {
echo -e "$*"
}
state() {
sudo ethtool "$iface" | grep -E '^\s+Wake-on:\s\w+' | awk '{print $2}'
}
[ "$1" ] && iface="$1" || iface=enp3s0
[ -f "/sys/class/net/$iface/address" ] && mac=$(cat "/sys/class/net/$iface/address") || mac=''
[ -z "$mac" ] && {
print "Wrong interface! $iface" >&2
exit 1
}
state=$(state)
print "Interface\t: $iface"
print "MAC-address\t: $mac"
print "WoL state\t: $state"
if [ $state == 'd' ]; then
sudo ethtool -s "$iface" wol gu || true
sudo mkdir -p /etc/networkd-dispatcher/configuring.d
sudo tee /etc/networkd-dispatcher/configuring.d/wol <<EOF >/dev/null
#!/usr/bin/env bash
ethtool -s $iface wol gu || true
EOF
sudo chmod 755 /etc/networkd-dispatcher/configuring.d/wol
print "* New WOL state\t: $(state)"
fi
print "\nTo wake up this device run this command from another one:\n"
print "\twakeonlan -p 8 $mac\n"
print "\twol $mac\n"