#!/bin/sh
exec >/tmp/setup.log 2>&1

###########################################################
#                  自 定 义 配 置 区 域
###########################################################

### 系统后台密码（为空则不修改）
root_password="root"

### LAN 的 IPv4 地址（也是后台地址，例如 192.168.2.1）
lan_ip_address="192.168.56.2"

### LAN 的子网掩码（例如 255.255.255.0）
# lan_netmask="255.255.255.0"

### LAN 的 IPv4 网关（可为空）
# lan_gateway="192.168.1.1"

### LAN 的 DNS（多个 DNS 可空格分隔，如 "8.8.8.8 1.1.1.1"）
# lan_dns="8.8.8.8 223.5.5.5"

### DHCP 是否开启（1=开启，0=关闭）
# lan_dhcp_enable="1"

### DHCP 起始地址
# lan_dhcp_start="100"

### DHCP 地址池数量
# lan_dhcp_limit="150"

### DHCP 租约时间
# lan_dhcp_leasetime="12h"

### WiFi 名称 SSID（为空则不修改）
# wlan_name="ImmortalWrt"

### WiFi 密码（≥ 8 位才生效）
# wlan_password="12345678"

### PPPoE 宽带账号（为空则跳过）
# pppoe_username=""

### PPPoE 宽带密码
# pppoe_password=""

###########################################################
#                  正 式 配 置 流 程
###########################################################

# ------------ root 密码 ------------
if [ -n "$root_password" ]; then
  (echo "$root_password"; sleep 1; echo "$root_password") | passwd >/dev/null
fi

# ------------ LAN 基础配置 ------------
if [ -n "$lan_ip_address" ]; then
  uci set network.lan.ipaddr="$lan_ip_address"
fi

if [ -n "$lan_netmask" ]; then
  uci set network.lan.netmask="$lan_netmask"
fi

if [ -n "$lan_gateway" ]; then
  uci set network.lan.gateway="$lan_gateway"
fi

# DNS
if [ -n "$lan_dns" ]; then
  uci delete network.lan.dns 2>/dev/null
  for d in $lan_dns; do
    uci add_list network.lan.dns="$d"
  done
fi

uci commit network

# ------------ DHCP 设置 ------------
if [ -n "$lan_dhcp_enable" ]; then
  uci set dhcp.lan.ignore=$([ "$lan_dhcp_enable" = "1" ] && echo 0 || echo 1)
fi

[ -n "$lan_dhcp_start" ] && uci set dhcp.lan.start="$lan_dhcp_start"
[ -n "$lan_dhcp_limit" ] && uci set dhcp.lan.limit="$lan_dhcp_limit"
[ -n "$lan_dhcp_leasetime" ] && uci set dhcp.lan.leasetime="$lan_dhcp_leasetime"

uci commit dhcp

# ------------ WIFI 配置 ------------
if [ -n "$wlan_name" ] && [ -n "$wlan_password" ] && [ ${#wlan_password} -ge 8 ]; then
  uci set wireless.@wifi-device[0].disabled='0'
  uci set wireless.@wifi-iface[0].disabled='0'
  uci set wireless.@wifi-iface[0].encryption='psk2'
  uci set wireless.@wifi-iface[0].ssid="$wlan_name"
  uci set wireless.@wifi-iface[0].key="$wlan_password"
  uci commit wireless
fi

# ------------ PPPoE 宽带拨号 ------------
if [ -n "$pppoe_username" ] && [ -n "$pppoe_password" ]; then
  uci set network.wan.proto=pppoe
  uci set network.wan.username="$pppoe_username"
  uci set network.wan.password="$pppoe_password"
  uci commit network
fi

echo "All done!"