update at 2026-03-15 14:54:51

scripts/kindle/ssh-force-dropbear-22.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+set -eu
+
+# 强制清理残留 SSH 进程，然后在 22 端口拉起一份 usbnet 自带的 DropBear。
+# 这里使用 Kindle hack 里的 -n，让其不走密码检查，方便恢复公钥访问。
+
+TS="$(date +%Y%m%d-%H%M%S 2>/dev/null || echo now)"
+OUT_DIR="/mnt/us/ssh-debug/${TS}"
+LOG_FILE="${OUT_DIR}/force-dropbear-22.log"
+PID_FILE="/mnt/us/usbnet/run/dropbear-force-22.pid"
+
+mkdir -p "${OUT_DIR}" /mnt/us/usbnet/run
+exec >"${LOG_FILE}" 2>&1
+
+echo "=== FORCE DROPBEAR 22 ==="
+date 2>/dev/null || true
+id 2>/dev/null || true
+
+killall sshd 2>/dev/null || true
+killall dropbear 2>/dev/null || true
+killall dropbearmulti 2>/dev/null || true
+sleep 1
+
+rm -f "${PID_FILE}" 2>/dev/null || true
+iptables -I INPUT 1 -p tcp --dport 22 -j ACCEPT 2>/dev/null || true
+
+(
+    cd /mnt/us/usbnet
+    exec bin/dropbearmulti dropbear -F -E -p 22 -P "${PID_FILE}" -n
+) &
+
+LAUNCHER_PID="$!"
+echo "${LAUNCHER_PID}" > "${OUT_DIR}/launcher.pid"
+sleep 1
+
+echo "launcher pid: ${LAUNCHER_PID}"
+echo "pid file: ${PID_FILE}"
+if [ -x /mnt/us/usbnet/bin/lsof ]; then
+    /mnt/us/usbnet/bin/lsof -n -P -iTCP:22 2>/dev/null || true
+fi
+
+echo "=== DONE ==="
+echo "${OUT_DIR}"