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improve endpoint hostname validation

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litinoveweedle
2026-02-03 17:34:48 +01:00
parent 2e0327fe87
commit 333116c8fc
1 changed files with 9 additions and 2 deletions
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11
qbittorrent/rootfs/usr/local/sbin/vpn
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@@ -72,8 +72,10 @@ _is_ip_address() {
return 1 # IPv4 return 1 # IPv4
elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then
return 2 # IPv6 return 2 # IPv6
elif host "$1" >/dev/null 2>&1; then
return 3 # resolvable hostname
else else
return 0 # Not an IP address return 0 # neither IP nor resolvable hostname
fi fi
} }
@@ -286,7 +288,12 @@ wireguard() {
if [ "${mode}" = "up" ]; then if [ "${mode}" = "up" ]; then
bashio::log.info "Starting WireGuard on interface ${config["Interface"]}..." bashio::log.info "Starting WireGuard on interface ${config["Interface"]}..."
if _is_ip_address ${config["EndpointHost"]}; then _is_ip_address ${config["EndpointHost"]}
local is_ip=$?
if [ "$is_ip" -eq 0 ]; then
bashio::log.error "WireGuard endpoint ${config["EndpointHost"]} is neither a valid IP address nor a resolvable hostname."
bashio::exit.nok 'WireGuard start failed.'
elif [ "$is_ip" -eq 3 ]; then
local -a endpoint_ips=() local -a endpoint_ips=()
mapfile -d ' ' -t endpoint_ips < <(_resolve_hostname ${config["EndpointHost"]}) mapfile -d ' ' -t endpoint_ips < <(_resolve_hostname ${config["EndpointHost"]})
if [ ${#endpoint_ips[@]} -eq 0 ]; then if [ ${#endpoint_ips[@]} -eq 0 ]; then