137 lines
5.4 KiB
Bash
Executable File
137 lines
5.4 KiB
Bash
Executable File
#!/bin/bash
|
|
# FILE: peer_del
|
|
# DESCRIPTION: Del a peer
|
|
# USAGE: del remote_ip querystring
|
|
# ERRORS:
|
|
# 3: Bad usage
|
|
# 4: Missing config
|
|
# 5: wg not found
|
|
# 8: Invalid token
|
|
# 6: Pubkey not in user peer list
|
|
|
|
CONFIG_FILE='/etc/wgapi/config'
|
|
SERVERS_FILE='/etc/wgapi/servers'
|
|
if ! [ ${#} -eq 2 ]; then
|
|
printf 'ERROR! Bad input: %s %s\n' "${0}" "${*}" >>"${LOGFILE}"
|
|
exit 3
|
|
fi; if ! [ -x '/usr/bin/wg' ]; then
|
|
printf 'ERROR! %s could not find /usr/bin/wg\n' "${0}" >>"${LOGFILE}"
|
|
exit 5
|
|
fi; if ! [ -f "${CONFIG_FILE}" ]; then
|
|
printf 'ERROR! %s could not find %s!\n' "${0}" "${CONFIG_FILE}" >>"${LOGFILE}"
|
|
exit 4
|
|
fi
|
|
source "${CONFIG_FILE}"
|
|
if ! [ -f "${SERVERS_FILE}" ]; then
|
|
printf 'ERROR! %s could not find %s!\n' "${0}" "${SERVERS_FILE}" >>"${LOGFILE}"
|
|
exit 4
|
|
fi; if ! [ -f "${TOKENS_FILE}" ]; then
|
|
printf 'ERROR! %s could not find %s!\n' "${0}" "${TOKENS_FILE}" >>"${LOGFILE}"
|
|
exit 4
|
|
fi
|
|
ip="${1}"
|
|
qs="$(<<<"${2}" tr '&' '\n' | sed 's/?//')"
|
|
|
|
# Parse pubkey
|
|
pubkey="$(<<<"${qs#}" grep 'pubkey=' | sed 's/pubkey=//')"
|
|
printf '%s requested to delete %s\n' "${ip}" "${pubkey:?}" >>"${LOGFILE}"
|
|
|
|
# Check token
|
|
token_fail(){
|
|
printf 'Rejecting %s request to delete peer due to %s token\n' "${ip}" "${1}" >>"${LOGFILE}"
|
|
printf 'Invalid token\n' | "${LIB_DIR}/http_res" 403
|
|
exit 8
|
|
}
|
|
saved_token="$(grep "${ip}" "${TOKENS_FILE}" | cut -f2)"
|
|
[ "${saved_token}" == "" ] && token_fail 'missing' &
|
|
<<<"${qs}" grep -qx "t=${saved_token}" || token_fail 'mismatched'
|
|
printf '%s token was valid\n' "${ip}" >>"${LOGFILE}"
|
|
|
|
# Get peer IP list
|
|
if ! wg_output="$(sudo /usr/bin/wg show "${TLD}" allowed-ips)"; then
|
|
printf 'ERROR! Wireguard failed!\n' >>"${LOGFILE}"
|
|
exit 5
|
|
fi
|
|
|
|
# Filter out this user's
|
|
user_peers="$(grep "${ip%[.:]*}" <<<"${wg_output}" 2>/dev/null)"
|
|
if [ "${user_peers}" == "" ]; then
|
|
printf "ERROR! %s accessed the dashboard but isn't on the network!\n" "${ip}" >>"${LOGFILE}"
|
|
exit 8
|
|
fi
|
|
|
|
# Get peer domains
|
|
if ! peer="$("${LIB_DIR}/ips_to_peers" tsv <<<"${user_peers}" | grep "${pubkey}")"; then
|
|
printf 'ERROR! Peer %s not found for user %s!\n' "${pubkey}" "${ip}" >>"${LOGFILE}" &
|
|
printf 'Peer not found\n' | "${LIB_DIR}/http_res" 404
|
|
exit 6
|
|
fi
|
|
domain="$(<<<"${peer}" cut -f1)"
|
|
ipv4="$(<<<"${peer}" cut -f2)"
|
|
ipv6="$(<<<"${peer}" cut -f3)"
|
|
if ! printf 'Delete request was for %s %s %s\n' "${domain:?}" "${ipv4:?}" "${ipv6:?}" >>"${LOGFILE}"; then
|
|
printf 'ERROR! Failed to collect peer data: %s %s %s\n' "${domain}" "${ipv4}" "${ipv6}" >>"${LOGFILE}" &
|
|
printf 'Failed to collect peer data\n' | "${LIB_DIR}/http_res" 500
|
|
exit 6
|
|
fi
|
|
|
|
# Make sure user isn't deleting their own peer
|
|
if [ "${ip}" == "${ipv4}" ] || [ "${ip}" == "${ipv6}" ]; then
|
|
printf 'User requested to delete peer from itself: %s.\n' "${ip}" >>"${LOGFILE}"
|
|
printf 'You cannot delete a peer from that peer! Make the request from a different device.' | "${LIB_DIR}/http_res" 400
|
|
exit 7
|
|
fi
|
|
|
|
hostname="$(<<<"${domain}" cut -d'.' -f1)"
|
|
username="$(<<<"${domain}" cut -d'.' -f2)"
|
|
|
|
# Wireguard
|
|
# Run this function in parallel in the while loop below
|
|
# https://stackoverflow.com/a/33058618
|
|
#for_server_do() {
|
|
# [[ ${server_hostname:0:1} = \# ]] && return # Ignore comments
|
|
# server_hostname="${1}"; server_ipv4="${2}"; server_ipv6="${3}"; server_pubkey="${4}"
|
|
# server_endpoint="${5}"; server_admin="${6}"; server_secret="${7}"
|
|
# if [ "${server_hostname}" == "${LOCAL_SERVER}" ]; then
|
|
# if "${LIB_DIR}/wg_peer_del" "${pubkey}"; then
|
|
# printf 'Deleted %s from local wireguard server.\n' "${domain}" >>"${LOGFILE}"
|
|
# else
|
|
# printf 'ERROR! Failed to delete %s from local wireguard server!\n' "${domain}" >>"${LOGFILE}"
|
|
# TODO: Send a 500 error
|
|
# TODO: clear existing progress
|
|
# exit 15
|
|
# fi
|
|
# TODO Add federated peer
|
|
#else
|
|
# if "${LIB_DIR}/fed_peer_add" "${server_admin}" "${pubkey}" "${server_psk}" "${ipv4}/32,${ipv6}/128" "${server_secret}"; then
|
|
# printf 'Deleted %s from remote wireguard server %s.\n' "${domain}" "${server_hostname}" >>"${LOGFILE}"
|
|
# else
|
|
# printf 'ERROR! Failed to delete %s from remote wireguard server %s!\n' "${domain}" "${server_hostname}" >>"${LOGFILE}"
|
|
# # TODO: Send a 500 error
|
|
# # TODO: clear existing progress
|
|
# exit 16
|
|
# fi"${LIB_DIR}/fed_peer_del" "${server_admin}" "${pubkey}" "${server_secret}"
|
|
# fi
|
|
#}; while IFS=$'\t' read -r server_hostname server_ipv4 server_ipv6 server_pubkey server_endpoint server_admin server_secret
|
|
# do for_server_do "${server_hostname}" "${server_ipv4}" "${server_ipv6}" "${server_pubkey}" "${server_endpoint}" "${server_admin}" "${server_secret}" &
|
|
# Uncomment if SERVERS_FILE is very big
|
|
#[ $( jobs | wc -l ) -ge $( nproc ) ] && wait
|
|
#done <"${SERVERS_FILE}" &
|
|
|
|
# Update nameserver
|
|
#if "${LIB_DIR}/ns_update_del" "${domain:?}" "${ipv4:?}" "${ipv6:?}"
|
|
# then printf 'Successfully deleted %s from DNS server.\n' "${domain}" >>"${LOGFILE}"
|
|
# else printf 'ERROR! Failed to delete %s %s %s from DNS server!\n' "${domain}" "${ipv4}" "${ipv6}" >>"${LOGFILE}"
|
|
#fi &
|
|
|
|
# Create SSL cert
|
|
#if "${LIB_DIR}/ssl_peer_del" "${hostname:?}" "${username:?}"
|
|
# then printf 'Successfully deleted SSL certs for %s\n' "${domain}" >>"${LOGFILE}"
|
|
# else printf 'ERROR! Failed to delete certs for %s!\n' "${domain}" >>"${LOGFILE}"
|
|
#fi
|
|
|
|
# Respond to user
|
|
# Do it before updating nameserver and certs because
|
|
# if wireguard worked, there's no going back. The admin
|
|
# can clean up missing records and certs after checking the logs
|
|
printf 'Deleted %s.%s.%s' "${hostname}" "${username}" "${TLD}" | "${LIB_DIR}/http_res" 202 |