ap/app/Script/scripts/lan.sh

#!/bin/sh
#
# $Id: lan.sh
#
path_sh=`nv get path_sh`
. $path_sh/global.sh

br_set()
{
    br_name=$lan_if

    #ÉèÖÃÍøÇÅ
    killall -9 udhcpd
    echo "ifconfig $br_name down...................."
    ifconfig $br_name down

    echo "brctl delbr $br_name......................"
    brctl delbr $br_name

    echo "brctl addbr $br_name......................"
    brctl addbr $br_name 2>>$test_log
    if [ $? -ne 0 ];then
        echo "Error: brctl addbr $br_name failed." >> $test_log
    fi
    echo "brctl setfd $br_name 0.1.................."
    brctl setfd $br_name 0.1 2>>$test_log
    if [ $? -ne 0 ];then
        echo "Error: brctl setfd $br_name 0.1 failed." >> $test_log
    fi
    echo "ifconfig lo up......................."
    ifconfig lo up 2>>$test_log
    if [ $? -ne 0 ];then
        echo "Error: ifconfig lo up failed." >> $test_log
    fi
    echo "ifconfig $br_name up......................"
    ifconfig $br_name up 2>>$test_log
    if [ $? -ne 0 ];then
        echo "Error: ifconfig $br_name up failed." >> $test_log
    fi

    #´ò¿ªÍøÇŵØÖ·¸Ä±ä֪ͨµÄ¿ª¹Ø
    echo 1 > /proc/sys/net/ipv4/conf/$br_name/arp_notify
    
    br_node=`nv get br_node`

    #analysis br_node ex: usb0+wifi0+¡­
    IFS_OLD=$IFS
    IFS="+"
    for device in $br_node
    do
        ifconfig $device up
        
        brctl addif $br_name $device 2>>$test_log
        if [ $? -ne 0 ];then
            echo "Error: brctl addif $br_name $device failed." >> $test_log
        fi
    done
    br_node_num=`nv get br_node_num`
    while [ $br_node_num -gt 0 ]
    do
        br_node_num=`expr $br_node_num - 1`
		br_node=`nv get br_node$br_node_num`
		if [ "x$br_node" != "x" ]; then
			brname="bridge"$br_node_num
			brctl addbr $brname 2>>$test_log
			brctl setfd $brname 0.1 2>>$test_log
			ifconfig $brname up 2>>$test_log
			echo 1 > /proc/sys/net/ipv4/conf/$brname/arp_notify
			for device in $br_node
			do
				ifconfig $device up 2>>$test_log
				brctl addif $brname $device 2>>$test_log
				nv set lan_name_$device=$brname
			done
		fi
    done
    IFS=$IFS_OLD
    
}

lan_set()
{
    ip=`nv get lan_ipaddr`
    nm=`nv get lan_netmask`
    ifconfig $lan_if $ip netmask $nm 2>>$test_log
    if [ $? -ne 0 ];then
        echo "Error: ifconfig $lan_if $ip netmask $nm failed." >> $test_log
    fi

    webv6_enable=`nv get webv6_enable`
    ipv6=`nv get lan_ipv6addr`
    if [ "x$webv6_enable" == "x1" ]; then
        ifconfig $lan_if $ipv6/64
    if [ $? -ne 0 ];then
        echo "Error: ifconfig $lan_if $ipv6 failed." >> $test_log
    fi
    fi
}

#½âÎöÄÚÍøµØÖ·¡¢Íø¹ØµØַͨ¹ýproc»úÖƶ¯Ì¬´«µÝ¸øÄںˣ¬ÒÔ±ãÄÚºËʵÏÖ·ÀÖ¹ÄÚÍøµØַй¶¹¦ÄÜ
lanip_proc()
{
    #ipµØÖ·»»Ëã³É4×Ö½ÚÕûÐÍÊÇÍøÂç×Ö½ÚÐò£¬Òªµßµ¹ÏÂ
    #uclinux²»Ö§³Ö×óÒÆ×Ö·û
	ip_value=`echo "$ip" | awk -F '.' '{printf $1 + 256* $2 + 256*256* $3 + 256*256*256* $4}'`
	nm_value=`echo "$nm" | awk -F '.' '{printf $1 + 256* $2 + 256*256* $3 + 256*256*256* $4}'`

    echo $ip_value > /sys/module/lanip_filter_ipv4/parameters/lan_ipaddr
    echo $nm_value > /sys/module/lanip_filter_ipv4/parameters/lan_netmask
}

main()
{
    lan_enable=`nv get LanEnable`
    if [ "x$lan_enable" == "x0" ]; then
        exit 0
    fi

    echo "Info: lan.sh start" >> $test_log

    if [ "x$lan_enable" == "x1" ]; then
        br_set
    fi
	
	if [ "x$lan_if" != "x" ]; then
        lan_set
    fi
    
    #vlanÅäÖã¬ÔÝʱ·ÅÓÚ´Ë´¦£¬1 ¿ª»úµÄʱºò²»ÐèÒª½«sw¼ÓÈëµ½ÍøÇÅÏ 
    #2 ´Ë´¦±ØÐ뽫sw upÆðÀ´£¬Èç¹û²»upµÄ»°½«²»»áÓÐrj45ÈȲå°Îʼþ
    sw_name=`nv get swvlan`
    ifconfig $sw_name up
    natenable=`nv get natenable`
    dosenable=`nv get dosenable`
    if [[ "x$natenable" != "x0" || "x$dosenable" != "x0" ]]; then
        lanip_proc
    fi
    if [ "x$dosenable" != "x0" ]; then
        echo 1 > /sys/module/fast_common/parameters/lan_dos_enable
    fi

	dhcps_in_cap=`nv get dhcps_in_cap`

	if [ "x$dhcps_in_cap" != "x1" ]; then
    echo "" > $path_conf/udhcpd.leases

    . $path_sh/user-config-udhcpd.sh
        
    dhcp=`nv get dhcpEnabled`
    if [ "$dhcp" == "1" ]; then
        echo "Info: config-udhcpd.sh lan -r 1 start" >> $test_log
        . $path_sh/config-udhcpd.sh "lan" -r 1
    fi
	fi
    dnsmasq -i $lan_if -r $path_conf/resolv.conf &
    . $path_sh/upnp.sh
    
	#»ñÈ¡br0µÄipv6µØÖ·
    ipv6lanipaddrcmd="ifconfig $br_name | grep Scope:Link | sed 's/^.*addr: //g' | sed 's/\/.*$//g'"
    ipv6lanipaddr=`eval $ipv6lanipaddrcmd`
    nv set ipv6_lan_ipaddr=$ipv6lanipaddr
	gw_in_cap=`nv get gw_in_cap`
	if [ "x$gw_in_cap" == "x1" ]; then
		lan_if_cap=`nv get lan_name_cap`
		ap_ip=`nv get lan_ipaddr_cap`
		ap_ipv6=`nv get lan_ipv6addr_cap`
		
		ip route add default via $ap_ip
		ip -6 route add default via $ap_ipv6 dev $lan_if_cap
		echo "nameserver $ap_ip" >> /etc/resolv.conf
	fi
}

main