114 lines
4.6 KiB
Bash
Executable File
114 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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# FILE: peer_del
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# DESCRIPTION: Del a peer
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# USAGE: del remote_ip querystring
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# ERRORS:
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# 3: Bad usage
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# 4: Missing config
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# 5: wg not found
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# 8: Invalid token
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# 6: Pubkey not in user peer list
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CONFIG_FILE='/etc/wgapi/config'
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SERVERS_FILE='/etc/wgapi/servers'
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if ! [ ${#} -eq 2 ]; then
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printf 'ERROR! Bad input: %s %s\n' "${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 could not find /usr/bin/wg\n' "${0}" >>"${LOGFILE}"
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exit 5
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fi; if ! [ -f "${CONFIG_FILE}" ]; then
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printf 'ERROR! %s could not find %s!\n' "${0}" "${CONFIG_FILE}" >>"${LOGFILE}"
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exit 4
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fi
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source "${CONFIG_FILE}"
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if ! [ -f "${SERVERS_FILE}" ]; then
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printf 'ERROR! %s could not find %s!\n' "${0}" "${SERVERS_FILE}" >>"${LOGFILE}"
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exit 4
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fi; if ! [ -f "${TOKENS_FILE}" ]; then
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printf 'ERROR! %s could not find %s!\n' "${0}" "${TOKENS_FILE}" >>"${LOGFILE}"
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exit 4
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fi
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ip="${1}"
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qs="$(<<<"${2}" tr '&' '\n' | sed 's/?//')"
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# Parse pubkey
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pubkey="$(<<<"${qs#}" grep 'pubkey=' | sed 's/pubkey=//')"
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printf '%s requested to delete %s\n' "${ip}" "${pubkey}" >>"${LOGFILE}"
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# Check token
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token_fail(){
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printf 'Rejecting %s request for new peer due to %s token\n' "${ip}" "${1}" >>"${LOGFILE}"
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printf 'Invalid token\n' | "${LIB_DIR}/http_res" 403
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exit 8
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}
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saved_token="$(grep "${ip}" "${TOKENS_FILE}" | cut -f2)"
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[ "${saved_token}" == "" ] && token_fail 'missing'
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<<<"${qs}" grep -qx "t=${saved_token}" || token_fail 'mismatched'
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printf '%s token was valid\n' "${ip}" >>"${LOGFILE}"
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# Get peer
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if ! peer="$("${LIB_DIR}/wg_peer_list" "${ip}" 'tsv' | grep "${pubkey}")"; then
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printf 'ERROR! Peer %s not found for user %s!\n' "${pubkey}" "${ip}" >>"${LOGFILE}" &
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printf 'Peer not found\n' | "${LIB_DIR}/http_res" 404
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exit 6
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fi
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domain="$(<<<"${peer}" cut -f1)" & ipv4="$(<<<"${peer}" cut -f2)" & ipv6="$(<<<"${peer}" cut -f3)"
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if ! printf 'Delete request was for %s %s %s\n' "${domain:?}" "${ipv4:?}" "${ipv6:?}" >>"${LOGFILE}"; then
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printf 'ERROR! Failed to collect peer data: %s %s %s\n' "${domain}" "${ipv4}" "${ipv6}" >>"${LOGFILE}" &
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printf 'Failed to collect peer data\n' | "${LIB_DIR}/http_res" 500
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exit 6
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fi
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hostname="$(<<<"${domain}" cut -d'.' -f1)" & username="$(<<<"${domain}" cut -d'.' -f2)"
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# Wireguard
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# Run this function in parallel in the while loop below
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# https://stackoverflow.com/a/33058618
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for_server_do() {
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[[ ${server_hostname:0:1} = \# ]] && continue # Ignore comments
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server_hostname="${1}"; server_ipv4="${2}"; server_ipv6="${3}"; server_pubkey="${4}"
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server_endpoint="${5}"; server_admin="${6}"; server_secret="${7}"
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if [ "${server_hostname}" == "${LOCAL_SERVER}" ]
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then printf 'Deleting %s from local wireguard server... ' "${domain}" >>"${LOGFILE}"
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if "${LIB_DIR}/wg_peer_del" "${pubkey}"; then
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printf 'success.\n' >>"${LOGFILE}"
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else
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printf 'failed!\n' >>"${LOGFILE}"
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# TODO: Send a 500 error
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# TODO: clear existing progress
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exit 15
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fi
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else printf 'Deleting %s from remote wireguard server %s... ' "${domain}" "${server_hostname}" >>"${LOGFILE}"
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# TODO Add federated peer
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#if "${LIB_DIR}/fed_peer_add" "${server_admin}" "${pubkey}" "${server_psk}" "${ipv4}/32,${ipv6}/128" "${server_secret}"; then
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printf 'success.\n' >>"${LOGFILE}"
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#else
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# printf 'failed!\n' >>"${LOGFILE}"
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# # TODO: Send a 500 error
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# # TODO: clear existing progress
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# exit 16
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#fi"${LIB_DIR}/fed_peer_del" "${server_admin}" "${pubkey}" "${server_secret}"
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fi
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}; while IFS=$'\t' read -r server_hostname server_ipv4 server_ipv6 server_pubkey server_endpoint server_admin server_secret
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do for_server_do "${server_hostname}" "${server_ipv4}" "${server_ipv6}" "${server_pubkey}" "${server_endpoint}" "${server_admin}" "${server_secret}" &
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# Uncomment if SERVERS_FILE is very big
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#[ $( jobs | wc -l ) -ge $( nproc ) ] && wait
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done <"${SERVERS_FILE}" &
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# Update nameserver
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if "${LIB_DIR}/ns_update_del" "${domain}" "${ipv4}" "${ipv6}"
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then printf 'Successfully deleted %s from DNS server.\n' "${domain}" >>"${LOGFILE}"
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else printf 'ERROR! Failed to delete %s %s %s from DNS server!\n' "${domain}" "${ipv4}" "${ipv6}" >>"${LOGFILE}"
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fi &
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# Create SSL cert
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if "${LIB_DIR}/ssl_peer_del" "${hostname}" "${username}"
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then printf 'Successfully deleted SSL certs for %s\n' "${domain}" >>"${LOGFILE}"
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else printf 'ERROR! Failed to delete certs for %s!\n' "${domain}" >>"${LOGFILE}"
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fi
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# Respond to user
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# Do it before updating nameserver and certs because
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# if wireguard worked, there's no going back. The admin
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# can clean up missing records and certs after checking the logs
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printf 'Deleted %s.%s.%s' "${hostname}" "${username}" "${TLD}" | "${LIB_DIR}/http_res" 202 |