Kobo: fetch via busybox wget en HTTP direct (curl absent) + port 8899

kobo/monitorinkloop.sh

@@ -18,6 +18,13 @@ BUSYBOX="./bin/busybox_kobo"
 
 log() { echo "[$(date '+%H:%M:%S')] $*"; }
 
+fetch() {
+    # busybox wget (toujours présent), fallback curl si dispo dans le PATH.
+    "$BUSYBOX" wget -q -T 30 -O "$TMP" "$IMAGE_URL" 2>/dev/null && return 0
+    command -v curl >/dev/null 2>&1 && curl -fsSL -m 30 -o "$TMP" "$IMAGE_URL" 2>/dev/null && return 0
+    return 1
+}
+
 # Ferme les FD hérités pour ne pas bloquer l'éjection USB.
 exec 3>&- 2>/dev/null
 
@@ -55,11 +62,11 @@ while true; do
     ./scripts/obtain-ip.sh >/dev/null 2>&1
     log "ip: $(ip addr show 2>/dev/null | grep -o 'inet [0-9.]*' | grep -v '127.0' | head -1)"
 
-    if curl -fsSL -m 30 -o "$TMP" "$IMAGE_URL"; then
-        log "curl OK ($(wc -c < "$TMP" 2>/dev/null) octets)"
+    if fetch; then
+        log "fetch OK ($(wc -c < "$TMP" 2>/dev/null) octets)"
         display
     else
-        log "curl ECHEC (rc=$?)"
+        log "fetch ECHEC"
         "$FBINK" -pmh "Monitorink : image indisponible ($(date '+%H:%M'))"
     fi