add stuff

root/scripts/tv/swap_sftp.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+# swap_sftp.sh — runs detached from enable_sftp.sh.
+# Stops the old Dropbear, swaps in the SFTP-capable binary, restarts, and
+# falls back to dropbear.nosftp if port 22 does not come up.
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/basic/bin
+export PATH
+D=/3rd_rw/sshd
+
+echo "=== swap_sftp $(date) ==="
+sleep 1
+
+if [ -f "$D/dropbear.pid" ]; then
+  kill "$(cat "$D/dropbear.pid")" 2>/dev/null || true
+fi
+sleep 1
+
+mv -f "$D/dropbear.new" "$D/dropbear"
+chmod 755 "$D/dropbear"
+/bin/sh "$D/start_sshd.sh"
+sleep 3
+
+if cat /proc/net/tcp | grep -qi ':0016'; then
+  echo "port 22 listening with SFTP-capable dropbear"
+else
+  echo "port 22 NOT listening; restoring dropbear.nosftp"
+  cp -f "$D/dropbear.nosftp" "$D/dropbear"
+  chmod 755 "$D/dropbear"
+  /bin/sh "$D/start_sshd.sh"
+  sleep 2
+  cat /proc/net/tcp | grep -i ':0016' || true
+fi
+
+echo "=== swap_sftp done ==="
+ps | grep dropbear | grep -v grep || true