36 lines
1.2 KiB
Bash
Executable File
36 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# FILE: ips_to_peers
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# DESCRIPTION: Takes a list of IPs from wg show allowed-ips
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# and adds domains using axfr lookups
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# USAGE: ips_to_peers json <<<"${user_peers}"
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# ERRORS:
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# 3: bad usage
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# 4: nslookup failed
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# 5: Invalid format
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# 6: Config file not found
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source /etc/wagon/config
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format="${1}"
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# Perform AXFR lookup
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res="$(/usr/lib/wagon/ns_lookup_axfr)" || exit 4
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# This should read from stdin
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# TODO: Run this loop in parallel
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while IFS= read -r line; do
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pubkey="$(<<<"${line}" cut -d ' ' -f1)"
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ips="$(<<<"${line}" cut -d ' ' -f2 | tr ' ' '\n')"
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ipv4="$(<<<"${ips}" grep '\.')"
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ipv6="$(<<<"${ips}" grep ':')"
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ipv4="${ipv4%%/*}"
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ipv6="${ipv6%%/*}"
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domain=$(<<<"${res}" grep -B1 " ${ipv4}$" | sed '/--/d' | awk '{print $2}' | paste -d " " - - | awk '{print $1}')
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case "${format}" in
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'json') printf '{"domain":"%s","ipv4":"%s","ipv6":"%s","pubkey":"%s"},' \
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"${domain}" "${ipv4}" "${ipv6}" "${pubkey}";;
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'tsv') printf '%s\t%s\t%s\t%s\n' "${domain}" "${ipv4}" "${ipv6}" "${pubkey}";;
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*) printf 'ERROR! Invalid format for %s: %s\n' "${0}" "${format}" >&2
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exit 5;
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esac
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done | sed 's/\n//g' | sed 's/,$//' # Remove trailing comma and newlines
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