From 536617e4f24e44f3bc8c236efc3f89cbe059574c Mon Sep 17 00:00:00 2001
From: Hyy2001X <1804430051@qq.com>
Date: Fri, 11 Sep 2020 09:44:24 +0800
Subject: [PATCH] mac80211:Update default Wi-Fi ESSID

---
 Customize/mac80211.sh | 121 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 Customize/mac80211.sh

diff --git a/Customize/mac80211.sh b/Customize/mac80211.sh
new file mode 100644
index 0000000..f234e57
--- /dev/null
+++ b/Customize/mac80211.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+. /lib/netifd/mac80211.sh
+
+append DRIVERS "mac80211"
+
+lookup_phy() {
+	[ -n "$phy" ] && {
+		[ -d /sys/class/ieee80211/$phy ] && return
+	}
+
+	local devpath
+	config_get devpath "$device" path
+	[ -n "$devpath" ] && {
+		phy="$(mac80211_path_to_phy "$devpath")"
+		[ -n "$phy" ] && return
+	}
+
+	local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
+	[ -n "$macaddr" ] && {
+		for _phy in /sys/class/ieee80211/*; do
+			[ -e "$_phy" ] || continue
+
+			[ "$macaddr" = "$(cat ${_phy}/macaddress)" ] || continue
+			phy="${_phy##*/}"
+			return
+		done
+	}
+	phy=
+	return
+}
+
+find_mac80211_phy() {
+	local device="$1"
+
+	config_get phy "$device" phy
+	lookup_phy
+	[ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
+		echo "PHY for wifi device $1 not found"
+		return 1
+	}
+	config_set "$device" phy "$phy"
+
+	config_get macaddr "$device" macaddr
+	[ -z "$macaddr" ] && {
+		config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
+	}
+
+	return 0
+}
+
+check_mac80211_device() {
+	config_get phy "$1" phy
+	[ -z "$phy" ] && {
+		find_mac80211_phy "$1" >/dev/null || return 0
+		config_get phy "$1" phy
+	}
+	[ "$phy" = "$dev" ] && found=1
+}
+
+detect_mac80211() {
+	devidx=0
+	config_load wireless
+	while :; do
+		config_get type "radio$devidx" type
+		[ -n "$type" ] || break
+		devidx=$(($devidx + 1))
+	done
+
+	for _dev in /sys/class/ieee80211/*; do
+		[ -e "$_dev" ] || continue
+
+		dev="${_dev##*/}"
+
+		found=0
+		config_foreach check_mac80211_device wifi-device
+		[ "$found" -gt 0 ] && continue
+
+		mode_band="g"
+		channel="11"
+		htmode=""
+		ht_capab=""
+
+		iw phy "$dev" info | grep -q 'Capabilities:' && htmode=HT20
+
+		iw phy "$dev" info | grep -q '5180 MHz' && {
+			mode_band="a"
+			channel="36"
+			iw phy "$dev" info | grep -q 'VHT Capabilities' && htmode="VHT80"
+		}
+
+		[ -n "$htmode" ] && ht_capab="set wireless.radio${devidx}.htmode=$htmode"
+
+		path="$(mac80211_phy_to_path "$dev")"
+		if [ -n "$path" ]; then
+			dev_id="set wireless.radio${devidx}.path='$path'"
+		else
+			dev_id="set wireless.radio${devidx}.macaddr=$(cat /sys/class/ieee80211/${dev}/macaddress)"
+		fi
+
+		uci -q batch <<-EOF
+			set wireless.radio${devidx}=wifi-device
+			set wireless.radio${devidx}.type=mac80211
+			set wireless.radio${devidx}.channel=${channel}
+			set wireless.radio${devidx}.hwmode=11${mode_band}
+			${dev_id}
+			${ht_capab}
+			set wireless.radio${devidx}.disabled=0
+			set wireless.radio${devidx}.country=US
+			set wireless.default_radio${devidx}=wifi-iface
+			set wireless.default_radio${devidx}.device=radio${devidx}
+			set wireless.default_radio${devidx}.network=lan
+			set wireless.default_radio${devidx}.mode=ap
+			set wireless.default_radio0.ssid=OpenWrt_2.4G
+			set wireless.default_radio1.ssid=OpenWrt_5G
+			set wireless.default_radio${devidx}.encryption=none
+EOF
+		uci -q commit wireless
+
+		devidx=$(($devidx + 1))
+	done
+}