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49 lines
1.2 KiB
Bash
Executable File
49 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Stolen from https://raw.githubusercontent.com/Cybertinus/macvendor_extractor/master/mac.sh
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##########
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# CONFIG #
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##########
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# Download from http://standards-oui.ieee.org/oui/oui.txt
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ouilocation="${HOME}/.dot/oui.txt"
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#################
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# ACTUAL SCRIPT #
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#################
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if [ ! -f "${ouilocation}" ] ; then
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echo "OUI location can not be found at ${ouilocation}. Have you updated the config?" 1>&2
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read -p "Do you want to download it now [y/N]? " -n 1 -r
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echo # (optional) move to a new line
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if [[ $REPLY =~ ^[Yy]$ ]]
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then
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wget https://standards-oui.ieee.org/oui/oui.txt -O "${ouilocation}"
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else
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echo "Aborted"
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exit 1
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fi
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fi
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if [[ $(find "${ouilocation}" -mtime +30 -print) ]]; then
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echo "File ${ouilocation} is older than 30 days"
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fi
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if [ -z "${1}" ] ; then
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echo 'No mac address specified, please do so as first argument' 1>&2
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exit 2
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fi
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macaddress="$(echo "${1}" | sed -e 's/[-.:]//g' | tr '[:lower:]' '[:upper:]')"
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macaddress="${macaddress:0:6}"
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echo -n "${1} = "
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vendor="$(awk "/^${macaddress}/ {print substr(\$0,index(\$0,\$4))}" "${ouilocation}")"
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if [ -z "${vendor}" ] ; then
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echo "Not specified in ${ouilocation}"
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else
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echo "${vendor}"
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fi
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