59 lines
1.8 KiB
Bash
Executable File
59 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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# FILE: wg_peer_list
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# DESCRIPTION: Get peers in the same subnet as an ip
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# USAGE: list ip json|tsv
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# ERRORS:
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# 3: bad usage
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# 4: nslookup failed
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# 5: wg failed
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# 6: Config file not found
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# 7: wg not found
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# 8: wg found no peers
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CONFIG_FILE='/etc/wgapi/config'
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if ! [ -f "${CONFIG_FILE}" ]; then
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printf 'ERROR! %s Config file not found\n' "${0}" >>"${LOGFILE}"
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exit 6
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fi & if ! [ ${#} -eq 2 ]; then
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printf 'ERROR! Bad usage: %s %s\n' "$0" "$*" >>"${LOGFILE}"
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exit 3
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fi & if ! [ -x /usr/bin/wg ]; then
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printf 'ERROR! %s /usr/bin/wg not found\n' "${0}" >>"${LOGFILE}"
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exit 5
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fi
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source "${CONFIG_FILE}"
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# Get peer IP list
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if ! wg_output="$(sudo /usr/bin/wg show "${TLD}" allowed-ips)"; then
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printf 'ERROR! Wireguard failed!\n' >>"${LOGFILE}"
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exit 5
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fi
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# Filter out this user's
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user_peers="$(grep "${1%[.:]*}" <<<"${wg_output}" 2>/dev/null)"
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if [ "${user_peers}" == "" ]; then
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printf "ERROR! %s accessed the dashboard but isn't on the network!\n" "${1}" >>"${LOGFILE}"
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exit 8
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fi
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# Loop through each peer in parallel and do an rDNS lookup for the hostnames
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do_lookup(){
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pubkey="$(<<<"${1}" cut -d ' ' -f1)"
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ips="$(<<<"${1}" cut -d ' ' -f2 | tr ' ' '\n')"
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ipv4="$(<<<"${ips}" grep '\.')"
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ipv6="$(<<<"${ips}" grep ':')"
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ipv4="${ipv4%%/*}"
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ipv6="${ipv6%%/*}"
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if ! domain="$("${LIB_DIR:?}/ns_lookup_rdns" "${ipv4:?}" | xargs)"
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then exit 4
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fi
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case "${2}" in
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'json') printf '{"domain":"%s","ipv4":"%s","ipv6":"%s","pubkey":"%s"},' \
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"${domain}" "${ipv4}" "${ipv6}" "${pubkey}";;
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'tsv') printf '%s\t%s\t%s\t%s\n' "${domain}" "${ipv4}" "${ipv6}" "${pubkey}";;
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esac
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}; while IFS= read -r line
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do do_lookup "${line}" "${2}" &
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[ $( jobs | wc -l ) -ge $( nproc ) ] && wait
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done <<<"${user_peers}" \
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| sed 's/\n//g' | sed 's/,$//' # Remove trailing comma and newline |