android_repeater

NetworkManagementService.java通過socket向netd發送命令。 可以用ndc在命令行實現相同功能。

Ethernet Bridge

ip link add name br0 type bridge
ip link set br0 up
ip link set dev eth0 master br0
ip link set dev wlan0 master br0/system

brctl addbr br0
brctl addif br0 eth0
brctl addif br0 wlan0

 

Ethernet NAT 1

insmod /vendor/modules/.ko
ndc netd softap set wlan0 OceanHotspot broadcast 6 wpa2-psk 12345678
ndc netd softap startap
ndc netd interface setcfg wlan0 192.168.43.1 24 up multicast running broadcast
ndc netd tether interface add wlan0
ndc netd network interface add local wlan0
ndc netd network route add local wlan0 192.168.43.0/24
ndc netd ipfwd enable actiontec
ndc netd tether start 192.168.43.100 192.168.43.200
ndc netd tether dns set 501 8.8.8.8 8.8.4.4
ndc netd nat enable wlan0 eth0 1 192.168.43.0/24

 

Ethernet NAT 2

cat > $HOSTAPD_CONF <<EOF
interface=$AP_INTERFACE
driver=nl80211
ctrl_interface=$HOSTAPD_CTRL
ssid=OceanHotspot
channel=6
ieee80211n=1
hw_mode=g
ignore_broadcast_ssid=0
wowlan_triggers=any
wpa=2
rsn_pairwise=CCMP
wpa_passphrase=12345678
EOF
chmod 644 $HOSTAPD_CONF
# Init wlan0
ip link set down dev $AP_INTERFACE
ip addr flush $AP_INTERFACE
ip link set up dev $AP_INTERFACE
ip addr add 192.168.43.1/24 broadcast 192.168.43.255 dev $AP_INTERFACE

echo "Launch hostapd on $AP_INTERFACE"
hostapd -B -d -e /data/misc/wifi/entropy.bin $HOSTAPD_CONF
sleep 1

#ndc netd softap startap
#ndc netd interface setcfg wlan0 192.168.43.1 24 up multicast running broadcast
ndc netd tether interface add wlan0
ndc netd network interface add local wlan0
ndc netd network route add local wlan0 192.168.43.0/24

echo "Launch dnsmasq on $AP_INTERFACE"
dnsmasq -i $AP_INTERFACE \
         -a 192.168.43.1 \
         --bind-interfaces \
         --dhcp-option-force=1,255.255.255.0 \
         --dhcp-option-force=3,192.168.43.1 \
         --dhcp-option-force=6,202.96.128.166,202.96.134.133,8.8.8.8 \
         --no-daemon \
         --no-resolv \
         --no-poll \
         --no-hosts \
         --dhcp-authoritative \
         --dhcp-range=192.168.43.100,192.168.43.200,24h \
         < /dev/null &

# Start dnsmasq
#ndc netd tether start 192.168.43.100 192.168.43.200
#ndc netd tether dns set 501 202.96.128.166

# Start NAT
ndc netd ipfwd enable actiontec
ndc netd nat enable wlan0 eth0 1 192.168.43.0/24

 

Wireless Repeater

cat > $WPA_SUPPLICANT_CONF <<EOF
ctrl_interface=$WPA_SUPPLICANT_CTRL
update_config=1
EOF
chmod 644 $WPA_SUPPLICANT_CONF

wpa_supplicant -B -D nl80211 -i $STA_INTERFACE -c $WPA_SUPPLICANT_CONF
echo "Launch wpa_supplicant on $STA_INTERFACE ret=$?"
sleep 1

echo "Connect to ext AP"
wpa_cli -i $STA_INTERFACE -p $WPA_SUPPLICANT_CTRL add_network
wpa_cli -i $STA_INTERFACE -p $WPA_SUPPLICANT_CTRL set_network 0 ssid \"$EXT_AP_SSID\"
wpa_cli -i $STA_INTERFACE -p $WPA_SUPPLICANT_CTRL set_network 0 psk \"$EXT_AP_PASSWORD\"
wpa_cli -i $STA_INTERFACE -p $WPA_SUPPLICANT_CTRL save_config
wpa_cli -i $STA_INTERFACE -p $WPA_SUPPLICANT_CTRL select_network 0
sleep 1

echo "Obtain $STA_INTERFACE IP"
dhcptool $STA_INTERFACE

#ndc netd tether interface add wlan2
#ndc netd network interface add local wlan2
#ndc netd network route add local wlan2 192.168.5.0/24
  
ndc netd network create 101 
ndc netd tether interface add $STA_INTERFACE
ndc netd network interface add 101 $STA_INTERFACE
ndc netd network route add 101 $STA_INTERFACE $STA_NETWORK_ADDR
#ndc netd network default set 101

cat > $HOSTAPD_CONF <<EOF
interface=$AP_INTERFACE
driver=nl80211
ctrl_interface=$HOSTAPD_CTRL
ssid=$AP_SSID
channel=$AP_CHANNEL
ieee80211n=1
hw_mode=g
ignore_broadcast_ssid=0
wowlan_triggers=any
wpa=2
rsn_pairwise=CCMP
wpa_passphrase=$AP_PASSWORD
EOF
chmod 644 $HOSTAPD_CONF

# Init wlan0
ip link set down dev $AP_INTERFACE
ip addr flush $AP_INTERFACE
ip link set up dev $AP_INTERFACE
ip addr add $AP_HOST_ADDR broadcast $AP_BROADCAST_ADDR dev $AP_INTERFACE

echo "Launch hostapd on $AP_INTERFACE"
hostapd -B -e /data/misc/wifi/entropy.bin $HOSTAPD_CONF
sleep 1

#ndc netd softap startap
#ndc netd interface setcfg wlan0 192.168.43.1 24 up multicast running broadcast
ndc netd tether interface add $AP_INTERFACE
ndc netd network interface add local $AP_INTERFACE
ndc netd network route add local $AP_INTERFACE $AP_NETWORK_ADDR

#ndc netd network create 100
#ndc netd tether interface add wlan0
#ndc netd network interface add 100 wlan0
#ndc netd network route 100 wlan0 192.168.43.0/24
#ndc netd network default set 100

echo "Launch dnsmasq on $AP_INTERFACE"
dnsmasq -i $AP_INTERFACE \
         -a 192.168.43.1 \
         --bind-interfaces \
         --dhcp-option-force=1,$AP_NETMASK \
         --dhcp-option-force=3,$AP_GATEWAY \
         --dhcp-option-force=6,$AP_DNS1,$AP_DNS2,$AP_DNS3 \
         --no-daemon \
         --no-resolv \
         --no-poll \
         --no-hosts \
         --dhcp-authoritative \
         --dhcp-range=$AP_DHCP_IP_START,$AP_DHCP_IP_END,24h \
         < /dev/null &

# Start dnsmasq
#ndc netd tether start 192.168.43.100 192.168.43.200
#ndc netd tether dns set 501 202.96.128.166

# Start NAT
ndc netd ipfwd add $AP_INTERFACE $STA_INTERFACE
ndc netd ipfwd enable actiontec
#ndc netd nat enable wlan0 wlan2 1 192.168.43.0/24
ndc netd nat enable $AP_INTERFACE $STA_INTERFACE 1
ip route add default via $STA_GATEWAY table $STA_INTERFACE

 

 

https://www.dd-wrt.com/wiki/index.php/Category:Linking_Routers