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55 lines
972 B
55 lines
972 B
#!/bin/bash
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# Action
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ACT=$1
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if [[ ${ACT} == '' ]]; then
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echo 'Need the action type parameter'
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exit
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fi
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# old mac address
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if [[ $2 =~ ^([0-9A-Fa-f]{1,2}[:-]){5}([0-9A-Fa-f]{1,2})$ ]]; then
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MAC=$2
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else
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echo "Bad mac $MAC addr"
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exit
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fi
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# part code
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if [[ $3 =~ ^[a-zA-Z]+$ ]]; then
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PART_CODE=$3
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else
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echo 'code must contains only letters'
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exit
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fi
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DHCP_MACS='./macs.conf'
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PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/bin
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# if just remove device
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if [[ ${ACT} == 'del' ]]; then
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sed -i "/${MAC}/d" ${DHCP_MACS}
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exit
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fi
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# If exist mac with code
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if grep "^subclass\ \"${PART_CODE}\" \"${MAC}\";$" "${DHCP_MACS}" > /dev/null; then
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# mac is already exists, quit
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exit
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else
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# If mac existing in another group
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if grep "${MAC}" ${DHCP_MACS} > /dev/null; then
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# remove it
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sed -i "/${MAC}/d" ${DHCP_MACS}
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fi
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# add new mac
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echo "subclass \"${PART_CODE}\" \"${MAC}\";" >> ${DHCP_MACS}
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sudo systemctl restart isc-dhcp-server.service
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fi
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