45 lines
1.1 KiB
Bash
45 lines
1.1 KiB
Bash
#!/bin/sh
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set -eu
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# 强制清理残留 SSH 进程，然后在 22 端口拉起一份 usbnet 自带的 DropBear。
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# 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。
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TS="$(date +%Y%m%d-%H%M%S 2>/dev/null || echo now)"
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OUT_DIR="/mnt/us/ssh-debug/${TS}"
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LOG_FILE="${OUT_DIR}/force-dropbear-22.log"
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PID_FILE="/mnt/us/usbnet/run/dropbear-force-22.pid"
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mkdir -p "${OUT_DIR}" /mnt/us/usbnet/run
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exec >"${LOG_FILE}" 2>&1
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echo "=== FORCE DROPBEAR 22 ==="
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date 2>/dev/null || true
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id 2>/dev/null || true
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killall sshd 2>/dev/null || true
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killall dropbear 2>/dev/null || true
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killall dropbearmulti 2>/dev/null || true
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sleep 1
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rm -f "${PID_FILE}" 2>/dev/null || true
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iptables -I INPUT 1 -p tcp --dport 22 -j ACCEPT 2>/dev/null || true
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(
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cd /mnt/us/usbnet
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exec bin/dropbearmulti dropbear -F -E -p 22 -P "${PID_FILE}" -n
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) &
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LAUNCHER_PID="$!"
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echo "${LAUNCHER_PID}" > "${OUT_DIR}/launcher.pid"
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sleep 1
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echo "launcher pid: ${LAUNCHER_PID}"
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echo "pid file: ${PID_FILE}"
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if [ -x /mnt/us/usbnet/bin/lsof ]; then
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/mnt/us/usbnet/bin/lsof -n -P -iTCP:22 2>/dev/null || true
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fi
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echo "=== DONE ==="
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echo "${OUT_DIR}"
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