#!/bin/bash
UPNP_URL="http://192.168.1.254:5678/desc/root"
LOCAL_IP="192.168.1.50"
LOG_TAG="upnp-watch"

log() {
    logger -t "$LOG_TAG" "$1"
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
}

MAPPINGS=$(upnpc -u "$UPNP_URL" -l 2>/dev/null)
if [ -z "$MAPPINGS" ]; then
    log "ERREUR: passerelle UPnP injoignable"
    exit 1
fi

for PORT in 80 443; do
    if echo "$MAPPINGS" | grep -q "TCP.*${PORT}->${LOCAL_IP}:${PORT}"; then
        log "OK: port ${PORT}/TCP déjà ouvert"
    else
        log "port ${PORT}/TCP absent -> ouverture"
        RESULT=$(upnpc -u "$UPNP_URL" -a "$LOCAL_IP" "$PORT" "$PORT" TCP 2>&1 | tail -1)
        if echo "$RESULT" | grep -q "is redirected"; then
            log "port ${PORT}/TCP ouvert avec succès"
        else
            log "ECHEC ouverture ${PORT}/TCP: $RESULT"
        fi
    fi
done