update at 2026-03-15 14:54:51
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128
scripts/connect-kindle-usbnet-mac.sh
Executable file
128
scripts/connect-kindle-usbnet-mac.sh
Executable file
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#!/bin/sh
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set -eu
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# 这个脚本用于在 Mac 上给 Kindle 的 USBNetwork 网卡补一个 192.168.15.x 地址,
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# 然后立刻验证 22 端口和 SSH 公钥登录是否可用。
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#
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# 默认值适配当前这台 Kindle:
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# - Kindle USB IP: 192.168.15.244
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# - 本机别名 IP: 192.168.15.201
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# - 默认网卡: en8
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#
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# 用法:
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# sh scripts/connect-kindle-usbnet-mac.sh
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# sh scripts/connect-kindle-usbnet-mac.sh auto 192.168.15.244 192.168.15.201
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# sh scripts/connect-kindle-usbnet-mac.sh en8 192.168.15.244 192.168.15.201
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#
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# 参数说明:
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# $1: Mac 上的 USB 网卡名,默认 auto(自动尝试 en8/en11)
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# $2: Kindle 在 usbnet 模式下的 IP,默认 192.168.15.244
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# $3: Mac 要补的别名 IP,默认 192.168.15.201
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USB_IFACE="${1:-auto}"
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KINDLE_IP="${2:-192.168.15.244}"
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HOST_IP="${3:-192.168.15.201}"
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KEY1="${HOME}/.ssh/id_ed25519"
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KEY2="${HOME}/.ssh/id_ed25519_git"
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pick_iface() {
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if [ "${USB_IFACE}" != "auto" ]; then
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echo "${USB_IFACE}"
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return 0
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fi
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# 当前这台 Mac 在 Kindle 插入后会出现多个活动的 USB 相关接口,
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# 实测常见候选是 en8 和 en11。这里按顺序轮询,哪个能打通 22 端口就用哪个。
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for iface in en8 en11; do
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if ! ifconfig "${iface}" >/dev/null 2>&1; then
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continue
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fi
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echo >&2
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echo "== 尝试接口 ${iface} ==" >&2
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sudo ifconfig "${iface}" inet "${HOST_IP}" netmask 255.255.255.0 alias >/dev/null 2>&1 || true
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sudo arp -d "${KINDLE_IP}" >/dev/null 2>&1 || true
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echo "当前网卡状态:" >&2
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ifconfig "${iface}" >&2
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echo >&2
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echo "路由检查:" >&2
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route -n get "${KINDLE_IP}" >&2 || true
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echo >&2
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echo "22 端口探测:" >&2
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if nc -vz -G 5 "${KINDLE_IP}" 22; then
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echo "${iface}"
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return 0
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fi
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echo "接口 ${iface} 未打通,清理别名后继续尝试下一个。" >&2
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sudo ifconfig "${iface}" -alias "${HOST_IP}" >/dev/null 2>&1 || true
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done
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return 1
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}
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echo "== 配置 USB 网卡 =="
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echo "接口参数: ${USB_IFACE}"
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echo "Kindle IP: ${KINDLE_IP}"
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echo "本机别名 IP: ${HOST_IP}"
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FOUND_IFACE="$(pick_iface)" || {
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echo
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echo "未能在候选 USB 网卡上打通 ${KINDLE_IP}:22。"
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echo "通常说明 Kindle 端的 sshd/dropbear 没有在跑,或者 USBNetwork 链路本身还没真正连起来。"
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exit 1
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}
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USB_IFACE="${FOUND_IFACE}"
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echo
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echo "== 选中的接口 =="
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echo "${USB_IFACE}"
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echo
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echo "== 尝试使用第一把密钥登录 =="
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if [ -f "${KEY1}" ]; then
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if ssh -i "${KEY1}" \
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-o BatchMode=yes \
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-o IdentitiesOnly=yes \
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-o StrictHostKeyChecking=no \
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-o UserKnownHostsFile=/tmp/kindle_usbnet_known_hosts_1 \
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root@"${KINDLE_IP}" true; then
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echo "第一把密钥验证成功,进入交互登录。"
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exec ssh -i "${KEY1}" \
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-o IdentitiesOnly=yes \
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-o StrictHostKeyChecking=no \
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-o UserKnownHostsFile=/tmp/kindle_usbnet_known_hosts_1 \
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root@"${KINDLE_IP}"
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fi
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else
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echo "未找到密钥: ${KEY1}"
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fi
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echo
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echo "== 尝试使用第二把密钥登录 =="
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if [ -f "${KEY2}" ]; then
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if ssh -i "${KEY2}" \
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-o BatchMode=yes \
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-o IdentitiesOnly=yes \
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-o StrictHostKeyChecking=no \
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-o UserKnownHostsFile=/tmp/kindle_usbnet_known_hosts_2 \
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root@"${KINDLE_IP}" true; then
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echo "第二把密钥验证成功,进入交互登录。"
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exec ssh -i "${KEY2}" \
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-o IdentitiesOnly=yes \
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-o StrictHostKeyChecking=no \
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-o UserKnownHostsFile=/tmp/kindle_usbnet_known_hosts_2 \
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root@"${KINDLE_IP}"
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fi
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else
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echo "未找到密钥: ${KEY2}"
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fi
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echo "两把密钥都未登录成功。"
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exit 1
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