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update 2026-09-21 17:31:20
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@@ -16,25 +16,33 @@ show_help() {
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选项:
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-s, --ssid <名称> 指定基础WiFi名称
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-p, --password <密码> 指定WiFi密码
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-f, --force 强制重新执行(忽略 wifi=1 已配置检查)
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-h, --help 查看帮助信息
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并发与等待机制:
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- 无参调用时:若已有 mywifi 在执行,直接终止退出;
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- 带 -f 或传参调用时:若已有 mywifi 在执行,自动排队等待其执行完成后再继续执行。
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WiFi命名规范:
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2.4 GHz -> <WiFi名>_2.4G
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5 GHz -> <WiFi名>_5G
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6 GHz -> <WiFi名>_6G
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使用示例:
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mywifi # 默认使用 hostname,无密码
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mywifi "HomeWiFi" # HomeWiFi_2.4G / HomeWiFi_5G,无密码
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mywifi "HomeWiFi" "12345678" # HomeWiFi_2.4G / HomeWiFi_5G,密码 12345678
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mywifi -s "HomeWiFi" -p "12345678" # 选项传参
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mywifi # 默认执行(若已配置过或正在执行则自动终止)
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mywifi -f # 强制重新按 hostname 恢复默认配置(若有执行中则排队等待)
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mywifi "HomeWiFi" "12345678" # 设置指定 WiFi 名及密码(若有执行中则排队等待)
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mywifi -f "HomeWiFi" "12345678" # 强制覆盖设置
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EOF_HELP
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}
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# 1. 解析命令行参数(同时兼顾位置参数与选项参数)
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# -------------------------------------------------------------
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# 1. 优先解析命令行参数(判断是否带有 -f 或自定义参数)
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# -------------------------------------------------------------
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CUSTOM_SSID=""
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CUSTOM_PASSWD=""
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HAS_PASSWD=0
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FORCE=0
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while [ $# -gt 0 ]; do
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case "$1" in
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@@ -42,6 +50,9 @@ while [ $# -gt 0 ]; do
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show_help
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exit 0
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;;
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-f|--force)
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FORCE=1
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;;
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-s|--ssid)
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shift
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CUSTOM_SSID="$1"
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@@ -63,7 +74,94 @@ while [ $# -gt 0 ]; do
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shift
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done
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# 密码合法性校验
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# 判断是否需要等待正在运行的实例完成
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# 只要指定了 -f 或传入了自定义 SSID / 密码,就启用等待锁机制
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WAIT_LOCK=0
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if [ $FORCE -eq 1 ] || [ -n "$CUSTOM_SSID" ] || [ $HAS_PASSWD -eq 1 ]; then
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WAIT_LOCK=1
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fi
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# -------------------------------------------------------------
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# 2. 检查 base_config 状态标记(无参且已配置过 wifi=1 时直接退出)
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# -------------------------------------------------------------
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if [ $FORCE -eq 0 ]; then
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if [ "$(uci -q get base_config.@status[0].wifi 2>/dev/null)" = "1" ]; then
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if [ -z "$CUSTOM_SSID" ] && [ $HAS_PASSWD -eq 0 ]; then
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echo "[INFO] WiFi 已配置完成 (base_config.@status[0].wifi=1),无需重复执行,直接终止脚本。"
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exit 0
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fi
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fi
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fi
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# -------------------------------------------------------------
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# 3. 并发锁处理:带参/-f 模式等待完成,无参模式直接终止
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# -------------------------------------------------------------
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LOCK_FILE="/var/run/mywifi.lock"
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acquire_lock() {
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local cur_pid=$$
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local cur_ppid=$PPID
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# A. 优先采用 flock 文件描述符锁(内核自动回收,安全可靠)
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if command -v flock >/dev/null 2>&1; then
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exec 9>"$LOCK_FILE" 2>/dev/null || true
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if [ $WAIT_LOCK -eq 1 ]; then
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if ! flock -n 9 2>/dev/null; then
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echo "[INFO] 检测到 /sbin/mywifi 已在执行中,等待其执行完成后再继续..."
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flock -w 60 9 2>/dev/null || {
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echo "[ERROR] 等待其他 /sbin/mywifi 执行超时(60秒)!" >&2
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exit 1
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}
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fi
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else
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if ! flock -n 9 2>/dev/null; then
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echo "[INFO] 检测到 /sbin/mywifi 已在执行中,直接终止脚本。"
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exit 0
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fi
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fi
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else
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# B. 备用进程轮询检测机制(兼容无 flock 极简环境)
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local wait_limit=60
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local waited=0
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while true; do
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local other_running=0
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for p in $(pgrep -f "mywifi" 2>/dev/null); do
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if [ "$p" != "$cur_pid" ] && [ "$p" != "$cur_ppid" ]; then
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local cmd="$(cat /proc/$p/cmdline 2>/dev/null | tr '\0' ' ')"
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case "$cmd" in
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*mywifi*)
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other_running=1
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break
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;;
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esac
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fi
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done
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if [ $other_running -eq 0 ]; then
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break
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fi
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if [ $WAIT_LOCK -eq 1 ]; then
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[ $waited -eq 0 ] && echo "[INFO] 检测到 /sbin/mywifi 已在执行中,等待其执行完成后再继续..."
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sleep 1
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waited=$((waited + 1))
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if [ $waited -ge $wait_limit ]; then
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echo "[ERROR] 等待其他 /sbin/mywifi 执行超时!" >&2
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exit 1
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fi
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else
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echo "[INFO] 检测到 /sbin/mywifi 已在执行中,直接终止脚本。"
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exit 0
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fi
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done
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fi
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}
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acquire_lock
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# -------------------------------------------------------------
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# 4. 密码长度合法性校验(若指定了密码)
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# -------------------------------------------------------------
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if [ $HAS_PASSWD -eq 1 ] && [ -n "$CUSTOM_PASSWD" ]; then
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pwd_len=${#CUSTOM_PASSWD}
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if [ "$pwd_len" -lt 8 ] || [ "$pwd_len" -gt 63 ]; then
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@@ -75,7 +173,9 @@ else
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SSID_PASSWD=""
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fi
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# 2. 深度就绪检测:确保内核PHY驱动、多频硬件、系统初始化状态和UCI配置全部真正就绪
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# -------------------------------------------------------------
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# 5. 深度就绪检测(确保多频硬件驱动加载与 UCI 配置完整就绪)
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# -------------------------------------------------------------
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wait_wifi_ready() {
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local max_wait=15
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local waited=0
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@@ -84,34 +184,30 @@ wait_wifi_ready() {
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local phy_count=0
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local uci_count=0
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# B. 检查内核物理无线设备 (PHY)
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# 检查内核物理无线设备 (PHY)
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local phys="$(ls -d /sys/class/ieee80211/phy* 2>/dev/null)"
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[ -n "$phys" ] && phy_count=$(echo "$phys" | wc -w)
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# C. 统计 UCI wireless 中实际已解析出的 wifi-device 节点数量(非文件大小)
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# 检查 UCI 中真实生成的 wifi-device 数量
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if [ -s /etc/config/wireless ]; then
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local uci_radios="$(uci -q show wireless 2>/dev/null | sed -n 's/^wireless\.\([^.]*\)=wifi-device/\1/p')"
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[ -n "$uci_radios" ] && uci_count=$(echo "$uci_radios" | wc -w)
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fi
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# D. 自动探测与配置补全:
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# - 物理网卡已加载,但 UCI 配置中的 radio 数量少于物理网卡数量(多频网卡尚未完全生成配置)
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# - 或者配置文件缺失/没有 radio 配置
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# 自动补全配置(物理硬件数量 > UCI 配置数量)
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if [ $phy_count -gt 0 ] && [ $uci_count -lt $phy_count ]; then
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[ -x /sbin/wifi ] && /sbin/wifi config >/dev/null 2>&1
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elif [ $phy_count -eq 0 ] && [ $uci_count -eq 0 ] && [ ! -s /etc/config/wireless ]; then
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[ -x /sbin/wifi ] && /sbin/wifi config >/dev/null 2>&1
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fi
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# 重新同步一次 UCI radio 数量
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# 重新同步 UCI radio 数量
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if [ -s /etc/config/wireless ]; then
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local uci_radios_check="$(uci -q show wireless 2>/dev/null | sed -n 's/^wireless\.\([^.]*\)=wifi-device/\1/p')"
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[ -n "$uci_radios_check" ] && uci_count=$(echo "$uci_radios_check" | wc -w)
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fi
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# E. 判定就绪标准:
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# 1) UCI 中有效 wifi-device 数量 > 0
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# 2) 若检测到物理 PHY,UCI radio 数量必须完全覆盖检测到的 PHY 数量
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# 就绪标准判定
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if [ $uci_count -gt 0 ]; then
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if [ $phy_count -eq 0 ] || [ $uci_count -ge $phy_count ]; then
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return 0
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@@ -122,20 +218,18 @@ wait_wifi_ready() {
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waited=$((waited + 1))
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done
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# 超时保护:只要至少有一个 radio 节点,允许降级继续
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if [ $uci_count -gt 0 ]; then
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return 0
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fi
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[ $uci_count -gt 0 ] && return 0
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return 1
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}
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# 执行深度就绪等待
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if ! wait_wifi_ready; then
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echo "[ERROR] 未检测到可用无线硬件或无线配置生成超时!" >&2
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exit 1
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fi
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# 3. 识别射频频段函数 (2g, 5g, 6g)
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# -------------------------------------------------------------
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# 6. 频段识别函数 (2g, 5g, 6g)
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# -------------------------------------------------------------
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detect_band() {
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local radio="$1"
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local band="$(uci -q get wireless.${radio}.band 2>/dev/null | tr 'A-Z' 'a-z')"
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@@ -146,7 +240,6 @@ detect_band() {
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*6g*) echo "6g"; return ;;
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esac
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# 信道 (channel) 推断
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local channel="$(uci -q get wireless.${radio}.channel 2>/dev/null)"
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if [ -n "$channel" ] && [ "$channel" -eq "$channel" 2>/dev/null ]; then
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if [ "$channel" -ge 1 ] && [ "$channel" -le 14 ]; then
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@@ -158,14 +251,12 @@ detect_band() {
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fi
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fi
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# hwmode 推断
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local hwmode="$(uci -q get wireless.${radio}.hwmode 2>/dev/null | tr 'A-Z' 'a-z')"
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case "$hwmode" in
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*a*) echo "5g"; return ;;
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*b*|*g*) echo "2g"; return ;;
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esac
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# 双频常规配对推断
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if [ "$radio" = "radio0" ]; then
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local r1_band="$(uci -q get wireless.radio1.band 2>/dev/null | tr 'A-Z' 'a-z')"
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[ "$r1_band" = "5g" ] && echo "2g" && return
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@@ -177,33 +268,31 @@ detect_band() {
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echo "2g"
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}
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# 4. 加载系统发行版信息(若存在)
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# -------------------------------------------------------------
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# 7. 配置 SSID 与各频段接口
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# -------------------------------------------------------------
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[ -f /etc/openwrt_release ] && . /etc/openwrt_release
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# 5. 确定基础 WiFi 名称
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if [ -n "$CUSTOM_SSID" ]; then
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SSID="$CUSTOM_SSID"
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else
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SSID="$(uci -q get system.@system[0].hostname 2>/dev/null)"
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[ -z "$SSID" ] && [ -r /proc/sys/kernel/hostname ] && SSID="$(cat /proc/sys/kernel/hostname)"
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[ -z "$SSID" ] && SSID="Kwrt"
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[ -z "$SSID" ] && SSID="$(uci -q get wizard.default.wifi_ssid 2>/dev/null)"
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[ -z "$SSID" ] && SSID="OpenWrt"
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fi
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# 移除禁用标记
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sed -i '/option disabled/d' /etc/config/wireless 2>/dev/null
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# 修正双频标记
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if [ "$(uci -q get wireless.radio1.band 2>/dev/null)" = "5g" ]; then
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[ -z "$(uci -q get wireless.radio0.band 2>/dev/null)" ] && uci -q set wireless.radio0.band="2g"
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fi
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# 重命名匿名接口 section 为 default_radioX
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widx=0
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while uci rename wireless.@wifi-iface[$widx]=default_radio$widx >/dev/null 2>&1; do
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widx=$((widx + 1))
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done
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# 6. 配置各 Radio 参数
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wifi_setup_radio() {
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local radio="$1"
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@@ -223,7 +312,6 @@ wifi_setup_radio() {
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local full_ssid="${SSID}${ssid_suffix}"
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# 特定硬件架构适配(如高通 ipq60xx)
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if [ "$band" = "5g" ]; then
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case "$DISTRIB_TARGET" in
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*ipq60xx*)
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@@ -240,10 +328,8 @@ wifi_setup_radio() {
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uci -q set wireless.${iface}.network='lan'
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uci -q set wireless.${iface}.ssid="${full_ssid}"
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# 密码与加密策略配置
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if [ -n "$SSID_PASSWD" ]; then
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if [ "$band" = "6g" ]; then
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# 6GHz 频段按标准强制要求 WPA3-SAE
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uci -q set wireless.${iface}.encryption='sae'
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else
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uci -q set wireless.${iface}.encryption='psk2'
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@@ -257,7 +343,7 @@ wifi_setup_radio() {
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fi
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}
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# 7. 动态遍历所有射频设备并应用设置
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# 动态遍历所有射频设备并配置
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radios="$(uci -q show wireless 2>/dev/null | sed -n 's/^wireless\.\([^.]*\)=wifi-device/\1/p')"
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[ -z "$radios" ] && radios="radio0 radio1 radio2 radio3"
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@@ -265,10 +351,10 @@ for radio in $radios; do
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wifi_setup_radio "$radio"
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done
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# 提交配置
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# 提交无线配置
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uci commit wireless 2>/dev/null
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# 若存在 base_config(kiddin9 固件状态记录),更新状态
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# 标记 WiFi 基础配置已完成
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if uci -q get base_config.@status[0] >/dev/null 2>&1; then
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uci -q set base_config.@status[0].wifi=1
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uci commit base_config 2>/dev/null
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Reference in new issue
Block a user