1 #!/bin/sh

2 #modified by muziling v0.3

3 #并发多拨脚本4 #modified by carl v0.3.1(修正一处bug，改善友好提示信息)5

6 #number是重拔次数，本脚本启动后一共尝试的次数7 #n是几拔，同时发出几拨，理论上设置越大成功概率越大！8 #ok是拔上几次后退出拔号, 要实现的预期目标9 #wait time每次单线多拨失败后，重试的等待时间10

11 number=15

12 n=7

13 ok=2

14 wait=8

15 # avoid same with feixiang's N-WAN naming and must start with "wan"

16 prefix=wan17 vthprefix=vth18

19 j=$(ifconfig | grep pppoe-wan | wc -l)20 if [ $j -ge $ok ] ;21 then

22 echo已经是[$j]拔了，退出拔号程序。23 exit 0

24 fi

25

26 if [ -f /etc/config/nwannumset ] ;27 then

28 uci set nwannumset.@macvlan_numset[0].macvlan_num=1

29 uci commit nwannumset30 fi

31

32 for i in $( seq 1 $(($n-1)))33 do

34 ifname=$prefix$i35 ifvth=$vthprefix$i36 #ifwan=$(uci get network.wan.ifname)37 pppoe_name=$(uci get network.wan.username)38 pppoe_pw=$(uci get network.wan.password)39

40 if [ $(ip link | grep "${ifvth}@eth0.2:" | wc -l) == "0"] ;41 then

42 macfac=$(ifconfig | grep eth0.2 | tr -s " " | cut -d " " -f5 | cut -b 1-8)43 mac="$macfac:"$(md5sum /proc/sys/kernel/random/uuid | sed 's/\(..\)/&:/g' | cut -b 1-8 | tr [a-f] [A-F])44 ip link add link eth0.2$ifvth type macvlan45 ifconfig$ifvth hw ether $mac46 echo更换MAC完毕$ifvth.47 fi

48

49 # add /etc/config/network50 uci delete network.$ifname51 uci set network.$ifname=interface52 uci set network.$ifname.ifname=$ifvth53 #uci set network.$ifname._orig_ifname=eth0.2

54 #uci set network.$ifname._orig_bridge=false

55 uci set network.$ifname.proto=pppoe56 uci set network.$ifname.username=$pppoe_name57 uci set network.$ifname.password=$pppoe_pw58 uci set network.$ifname.auto=0

59 uci set network.$ifname.defaultroute=0

60 uci set network.$ifname.peerdns=1

61 uci set network.$ifname.pppd_options="plugin rp-pppoe.so syncppp $n"

62

63 # add /etc/config/dhcp64 uci delete dhcp.$ifvth65 uci set dhcp.$ifvth=dhcp66 uci set dhcp.$ifvth.interface=$ifname67 uci set dhcp.$ifvth.ignore=1

68

69 if [ -f /etc/config/nwan ] ;70 then

71 uci delete nwan.$ifname72 uci set nwan.$ifname=interface73 uci set nwan.$ifname.name=unicom74 uci set nwan.$ifname.route=balance75 uci set nwan.$ifname.weight=1

76 uci set nwan.$ifname.uptime=0day,0hour,0min77 uci commit nwan78 fi

79 done

80

81 uci set network.wan.defaultroute=0

82 uci set network.wan.peerdns=1

83 uci set network.wan.pppd_options="plugin rp-pppoe.so syncppp $n"

84 uci commit network85 uci commit dhcp86

87 fw_wan_list=$(uci show network |grep =interface |grep -v lan|grep -v loopback |cut -d"." -f2 | awk -F "=" '{printf $1" "}')88 uci set firewall.@zone[1].network="$fw_wan_list"

89 uci commit firewall90 /etc/init.d/firewall restart91

92 for q in $( seq 1$number )93 do

94 echo

95 echo___________________________________________________96 echo开始第$q次拔号...........97 killall -q -SIG pppd98 if [ "$q" == "1"] ;99 then

100 for i in $( seq 1 $(($n-1)))101 do

102 ifup $prefix$i103 done

104 fi

105

106 echo正在并发拔号中.............107 echo等待$wait秒.............108 sleep $wait

109

110 j=$(ps | grep pppd | wc -l)111 ! [ "$j" -ge "$n" ] && ifup ${prefix}1

112

113 ifconfig | greppppoe114 j=$(ifconfig | grep pppoe-wan | wc -l)115

116 ! [ "$j" -ge "$ok" ] && echo[$n]拔[$j]拔成功, 小于设定的[$ok]拔，将重新拔号...117 [ "$j" -ge "$ok" ] && echo[$n]拔[$j]拔成功, 大于或等于设定的[$ok]拨，退出拔号...118

119 if [ "$j" -ge "$ok"] ;120 then

121 for i in $( seq 0 $(($n-1)))122 do

123 if [ "$i" == "0"] ;124 then

125 interface=wan126 else

127 interface=$prefix$i128 fi

129 if [ $(ifconfig | grep "pppoe-$interface" | wc -l) == "0"] ;130 then

131 ifdown $interface132 fi

133 done

134 break135 fi

136 done # done/tried all tring times $number137

138 # kill ddns sleep and re-check wan ip change139 killall sleep

140

141 # reboot the machine iffailed tried times142 #sleep $wait

143 j=$(ifconfig | grep pppoe-wan | wc -l)144 ! [ "$j" -gt 0 ] &&reboot145

146

147 echo___________________________________________________148 echo 开始N-WAN负载均衡功能...149 #ppoename=$(ifconfig |grep 'ppoe-' |awk '{print substr($1,7)}'|tr '\n' ' ')150 ppoename=$(ifconfig|grep 'ppoe-' |awk '{print $1}'|tr '\n' ' ')151 i=0

152 vias=""

153 for wan_ifname in$ppoename154 do

155 vias="$vias nexthop via $wan_ip dev $wan_ifname weight 1"

156 let "rt=100+$i"

157 i=$(($i+1))158 ip route flush table $rt159 #REMOVE ERROR160 ip route add default via $wan_ip dev $wan_ifname table $rt161 ip route add table $rt to $(ip route | grep br-lan)162

163 if [ $(iptables -t nat -vxnL POSTROUTING | grep -c "$wan_ifname") == "0"] ;164 then

165 #REMOVE ERROR166 iptables -t raw -A PREROUTING -i $wan_ifname -j zone_wan_notrack167 iptables -t nat -A PREROUTING -i $wan_ifname -j zone_wan_prerouting168 #REMOVE ERROR169 iptables -t nat -A POSTROUTING -o $wan_ifname -j zone_wan_nat170 iptables -t filter -A forward -i $wan_ifname -j zone_wan_forward171 #REMOVE ERROR172 iptables -t filter -A input -i $wan_ifname -j zone_wan173 iptables -t filter -A zone_wan_ACCEPT -o $wan_ifname -j ACCEPT174 iptables -t filter -A zone_wan_ACCEPT -i $wan_ifname -j ACCEPT175 iptables -t filter -A zone_wan_DROP -o $wan_ifname -j DROP176 iptables -t filter -A zone_wan_DROP -i $wan_ifname -j DROP177 iptables -t filter -A zone_wan_REJECT -o $wan_ifname -j reject178 iptables -t filter -A zone_wan_REJECT -i $wan_ifname -j reject179 fi

180

181 iptables -A PREROUTING -t mangle -i $wan_ifname -j MARK --set-mark $rt182 iptables -t mangle -A zone_wan_MSSFIX -o $wan_ifname -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu183 ip rule add fwmark $rt table $rt prio $rt184 done

185

186 ip route del default187

188 echo___________________________________________________189 echo下面执行ip route add default scope global $vias190 ip route add default scope global $vias191

192 ip route flush cache193

194 echo___________________________________________________195 echo下面输出ip route list196 ip route list197

198 echo___________________________________________________199 echo 下面输出route -n200 route -n