fix reverse dns

openvpn/learn-address.sh

@@ -10,10 +10,16 @@
 OP="$1"; ADDR="$2"; CN="${3:-}"
 
 API="http://127.0.0.1:5380/api"
-[ -n "${TECHNITIUM_ADMIN_PASSWORD:-}" ] || exit 0
-[ -n "${VPN_DNS_ZONE:-}" ] || exit 0
 
 log() { echo "learn-address: $*"; }
+log "invoked: op=$OP addr=$ADDR cn=${CN:-<none>}"
+
+# OpenVPN gives hooks a clean environment — settings come from the file
+# the entrypoint writes, not from the container env.
+[ -f /etc/openvpn/learn-address.env ] && . /etc/openvpn/learn-address.env
+
+[ -n "${TECHNITIUM_ADMIN_PASSWORD:-}" ] || { log "TECHNITIUM_ADMIN_PASSWORD not available; skipping"; exit 0; }
+[ -n "${VPN_DNS_ZONE:-}" ] || { log "VPN_DNS_ZONE not in env; skipping"; exit 0; }
 
 TOKEN=$(curl -sf -m 5 -G "$API/user/login" \
   --data-urlencode "user=admin" \