update 01

push-sshkey-to-fnos.sh

@@ -0,0 +1,66 @@
+#!/bin/sh
+set -e
+
+# ===== 参数 =====
+USER_NAME="$1"
+NAS_IP="$2"
+
+KEY_DIR="/root/.ssh"
+KEY_NAME="id_dropbear"
+PRIV_KEY="$KEY_DIR/$KEY_NAME"
+PUB_KEY="$KEY_DIR/$KEY_NAME.pub"
+
+TARGET_HOME="/home/$USER_NAME"
+TARGET_SSH_DIR="$TARGET_HOME/.ssh"
+TARGET_AUTH_KEYS="$TARGET_SSH_DIR/authorized_keys"
+
+# ===== 参数检查 =====
+if [ -z "$USER_NAME" ] || [ -z "$NAS_IP" ]; then
+  echo "用法: $0 <飞牛用户名> <飞牛IP>"
+  exit 1
+fi
+
+# ===== 阶段一：在 OpenWrt 上生成 SSH 密钥 =====
+echo "== [1/2] 检查并生成 SSH 密钥 =="
+
+if [ ! -d "$KEY_DIR" ]; then
+  mkdir -p "$KEY_DIR"
+  chmod 700 "$KEY_DIR"
+fi
+
+if [ ! -f "$PRIV_KEY" ]; then
+  echo "未发现 SSH 密钥，开始生成（ed25519）..."
+  ssh-keygen -t ed25519 -f "$PRIV_KEY" -N ""
+else
+  echo "已存在 SSH 密钥，跳过生成"
+fi
+
+# ===== 阶段二：推送公钥到飞牛 NAS =====
+echo "== [2/2] 推送公钥到飞牛 NAS =="
+
+ssh "$USER_NAME@$NAS_IP" "
+set -e
+
+# 确保 /home/用户名 存在（飞牛首次安装时需要）
+if [ ! -d \"$TARGET_HOME\" ]; then
+  sudo mkdir -p \"$TARGET_HOME\"
+  sudo chown $USER_NAME:$USER_NAME \"$TARGET_HOME\"
+  sudo chmod 755 \"$TARGET_HOME\"
+fi
+
+# 创建 .ssh 目录
+sudo mkdir -p \"$TARGET_SSH_DIR\"
+sudo chown $USER_NAME:$USER_NAME \"$TARGET_SSH_DIR\"
+sudo chmod 700 \"$TARGET_SSH_DIR\"
+
+# 准备 authorized_keys
+sudo touch \"$TARGET_AUTH_KEYS\"
+sudo chown $USER_NAME:$USER_NAME \"$TARGET_AUTH_KEYS\"
+sudo chmod 600 \"$TARGET_AUTH_KEYS\"
+"
+
+# 写入公钥
+cat "$PUB_KEY" | ssh "$USER_NAME@$NAS_IP" \
+"cat >> $TARGET_AUTH_KEYS"
+
+echo "✅ SSH 免密登录配置完成：$USER_NAME@$NAS_IP"