自定义WNDR4300-LEDE固件。修改分区使用全部空间；替换dnsmasq和wpad-mini为dnsmasq-full和wpad；增加wifi配置。

wndr4300-lede-custom.sh

#!/bin/bash

VERSION="17.01.2"
WIFI_NAME=WNDR4300
WIFI_NAME_5G=WNDR4300-5G
WIFI_PASS=github.com


wget "https://downloads.lede-project.org/releases/${VERSION}/targets/ar71xx/nand/lede-imagebuilder-${VERSION}-ar71xx-nand.Linux-x86_64.tar.xz"
tar -Jxf lede-imagebuilder-${VERSION}-ar71xx-nand.Linux-x86_64.tar.xz
cd lede-imagebuilder-${VERSION}-ar71xx-nand.Linux-x86_64

cat >wndr4300-lede-${VERSION}.patch<<'EOF'
--- target/linux/ar71xx/image/legacy.mk    2017-06-26 02:39:39.719964648 +0800
+++ target/linux/ar71xx/image/legacy.mk    2017-06-26 02:39:18.200763641 +0800
@@ -281,7 +281,8 @@
 wnr2000v4_mtdlayout=mtdparts=spi0.0:192k(u-boot)ro,64k(u-boot-env)ro,3776k(firmware),64k(art)ro
 r6100_mtdlayout=mtdparts=ar934x-nfc:128k(u-boot)ro,256k(caldata)ro,256k(caldata-backup),512k(config),512k(pot),2048k(kernel),122240k(ubi),25600k@0x1a0000(firmware),2048k(language),3072k(traffic_meter)
 tew823dru_mtdlayout=mtdparts=spi0.0:192k(u-boot)ro,64k(nvram)ro,15296k(firmware),192k(lang)ro,512k(my-dlink)ro,64k(mac)ro,64k(art)ro
-wndr4300_mtdlayout=mtdparts=ar934x-nfc:256k(u-boot)ro,256k(u-boot-env)ro,256k(caldata)ro,512k(pot),2048k(language),512k(config),3072k(traffic_meter),2048k(kernel),23552k(ubi),25600k@0x6c0000(firmware),256k(caldata_backup),-(reserved)
+#wndr4300_mtdlayout=mtdparts=ar934x-nfc:256k(u-boot)ro,256k(u-boot-env)ro,256k(caldata)ro,512k(pot),2048k(language),512k(config),3072k(traffic_meter),2048k(kernel),23552k(ubi),25600k@0x6c0000(firmware),256k(caldata_backup),-(reserved)
+wndr4300_mtdlayout=mtdparts=ar934x-nfc:256k(u-boot)ro,256k(u-boot-env)ro,256k(caldata)ro,512k(pot),2048k(language),512k(config),3072k(traffic_meter),2048k(kernel),121856k(ubi),123904k@0x6c0000(firmware),256k(caldata_backup),-(reserved)
 zcn1523h_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,6208k(rootfs),1472k(kernel),64k(configure)ro,64k(mfg)ro,64k(art)ro,7680k@0x50000(firmware)
 mynet_rext_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,7808k(firmware),64k(nvram)ro,64k(ART)ro
 zyx_nbg6716_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(env)ro,64k(RFdata)ro,-(nbu);ar934x-nfc:2048k(zyxel_rfsd),2048k(romd),1024k(header),2048k(kernel),-(ubi)
EOF

patch -p0 < wndr4300-lede-${VERSION}.patch

mkdir -p custom/etc/config/
cat > custom/etc/config/wireless<<EOF

config wifi-device 'radio0'
    option type 'mac80211'
    option hwmode '11g'
    option path 'platform/ar934x_wmac'
    option htmode 'HT20'
    option channel 'auto'
    option country 'US'
    option txpower '27'
    option disabled '0'

config wifi-iface
    option device 'radio0'
    option network 'lan'
    option mode 'ap'
    option encryption 'psk2+ccmp'
    option key '${WIFI_PASS}'
    option ssid '${WIFI_NAME}'
    option wmm '0'

config wifi-device 'radio1'
    option type 'mac80211'
    option hwmode '11a'
    option path 'pci0000:00/0000:00:00.0'
    option channel 'auto'
    option country 'US'
    option disabled '0'
    option htmode 'HT40'
    option txpower '17'

config wifi-iface
    option device 'radio1'
    option mode 'ap'
    option network 'lan'
    option encryption 'psk2+ccmp'
    option key '${WIFI_PASS}'
    option ssid '${WIFI_NAME_5G}'
    option wmm '0'

EOF

name="lede-${VERSION}-ar71xx-nand-wndr4300-custom"

make clean
make image PROFILE=WNDR4300V1 PACKAGES="luci luci-theme-bootstrap luci-app-firewall uci dnsmasq-full wpad -wpad-mini -dnsmasq" FILES=custom
mv bin/targets/ar71xx/nand/lede-${VERSION}-ar71xx-nand-wndr4300-squashfs-sysupgrade.tar bin/targets/ar71xx/nand/${name}-squashfs-sysupgrade.tar
mv bin/targets/ar71xx/nand/lede-${VERSION}-ar71xx-nand-wndr4300-ubi-factory.img bin/targets/ar71xx/nand/${name}-ubi-factory.img

sed -i "s/lede-${VERSION}-ar71xx-nand-wndr4300-squashfs-sysupgrade.tar/${name}-squashfs-sysupgrade.tar/g" bin/targets/ar71xx/nand/sha256sums
sed -i "s/lede-${VERSION}-ar71xx-nand-wndr4300-ubi-factory.img/${name}-ubi-factory.img/g" bin/targets/ar71xx/nand/sha256sums

tar -Jcf "${name}.tar.xz" -C bin/targets/ar71xx/nand/ ${name}-squashfs-sysupgrade.tar ${name}-ubi-factory.img sha256sums

修改内容

1. 修改分区使用全部空间；安装后总空间99MB，可用空间94MB。
2. 增加wifi配置，如果家里没有设备支持有线网络，刷机后无法管理路由器。增加默认wifi配置，密码为github.com。
3. 替换dnsmasq为dnsmasq-full，可以配合ipset实现域名分流。
4. 替换wpad-mini为wpad，支持802.11r，如果有多个LEDE路由器，可以将wifi开启802.11r，实现无线漫游。

---

使用方法

下载脚本后直接运行即可
需要安装tar, make, xz
运行完毕后，在lede-imagebuilder-17.01.2-ar71xx-nand.Linux-x86_64目录下有文件 lede-17.01.2-ar71xx-nand-wndr4300-custom.tar.xz，包括升级包和原版系统刷机包。