diff --git a/bash/boot b/bash/boot new file mode 100755 index 0000000..9697ec4 --- /dev/null +++ b/bash/boot @@ -0,0 +1,49 @@ +#!/bin/bash + +IP_REGEX="[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}" + +E_BADARGS=65 +if [[ ! -n "$1" ]]; then + echo "Usage: $(basename $0) HOST" + exit $E_BADARGS +fi + +if [[ $1 =~ ${IP_REGEX} ]]; then + IP=$1 +else + IP=$(dig +short $1 | head -n1) + + if [[ -z ${IP} ]]; then + echo "failed to lookup ip" + exit 4 + else + echo "$1 has ip: ${IP}" + fi +fi + + +# do a ping to trigger ARP request +ping -c1 -q ${IP} &>/dev/null +if [[ $? -eq 0 ]]; then + echo "host is alive!" +# exit 2 +fi + +MAC=$(grep "^${IP}\ " /proc/net/arp | awk '{print $4}') + +if [[ -z ${MAC} ]]; then + echo "no mac found!" + exit 1 +fi + +echo "$1 has mac: ${MAC}" + + +if [[ $(id -un) != "root" ]]; then + echo "$(basename $0) requires root privileges!" + exit 3 +fi + +etherwake ${MAC} + +echo "wol packet has been sent"