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- #!/bin/bash
- # We need the target MAC and broadcast addresses
- ETHER="${1}"
- BCAST="${2}"
- if [ -z "${ETHER}" ] || [ -z "${BCAST}" ]; then
- echo "Usage: ${0} MAC broadcast" 1>&2
- exit 1
- fi
- # UDP needs a port
- PORT=7
- # Construct the packet
- RAW="`echo "${ETHER}" | sed 's/://g'`"
- PACKET="FFFFFFFFFFFF"
- i=0
- while [ $i -lt 16 ]; do
- PACKET="${PACKET}${RAW}"
- i=$(( $i + 1 ))
- done
- # Send with socat
- echo "${PACKET}" | xxd -r -p | socat - "UDP-DATAGRAM:${BCAST}:${PORT},broadcast"
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