声明，脚本作者是quark同学
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#! /bin/bash # # ZJG network all-in-one shell script, standalone version # author: quark, arcpp.zju@gmail.com # date: 2008.05.22 # dependences: sudo, xl2tpd, dhcpcd # usage: zjgnet [r] (r: restart) # 201 card no. w/o @zheda, if you want to skip 201-login, leave here empty. U_C_USERNAME="800385766161@zheda" # 201 card password U_C_PASSWORD="003614" # vpn username, e.g. quark@a, if you have no vpn account, leave here empty. U_V_USERNAME="qianwei@a" # vpn password U_V_PASSWORD="xxxxxx" # 3322 dynamic domain username, if you do not have one, leave here empty. U_N_USERNAME="zjuers" # 3322 dynamic domain password U_N_PASSWORD="xxxxxx" # 3322 inner domain, e.g. quark.6600.org U_N_INNER_DOMAIN="qianwei.8866.org" # 3322 outer domain, e.g. quark.8800.org U_N_OUTER_DOMAIN="zjuers.8866.org" # vpn max redial count U_V_REDIAL=2 # vpn timeout when connecting (seconds) U_V_TIMEOUT=10 # script constants, usually no necessary to modify these C_CLEAR="\033[1;0m" C_FAIL="\033[1;31;40m" C_H1="\033[1;36;40m" PORTAL_SERVER_IP="61.175.164.14" PORTAL_SERVER_PORT="8880" VPN_SERVER_IP="10.5.1.9" DYNDNS_URL="222.185.245.239/dyndns/update?system=dyndns&hostname=" NETWORK_ADAPTER="eth0" errorHandle() { printf "\n${C_FAIL}Oops! An error occurs. Script terminated.${C_CLEAR}\n" exit } getLocalIP() { LOCAL_IP=`ifconfig ${NETWORK_ADAPTER} | head -2 | tail -1 | sed 's/.*addr://;s/ .*//'` } zjg201Login() { #cat << ! telnet $PORTAL_SERVER_IP $PORTAL_SERVER_PORT &>/dev/null << ! POST /secu/webLogin_nie.jsp?localIP=${LOCAL_IP}&httpIP=${LOCAL_IP} HTTP/1.1 Host: ${PORTAL_SERVER_IP}:${PORTAL_SERVER_PORT} Content-Length: 45 Cookie: httpIP=${LOCAL_IP}; userIP=${LOCAL_IP}; needActiveX=1; isPNP=0; cookieEnableTest=cookieEnable;pageno = true Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla username=${U_C_USERNAME}%40zheda&password=${U_C_PASSWORD} ! } executeXl2tpd() { [ -e /dev/ppp ] || sudo mknod /dev/ppp c 108 0 &> /dev/null cat > /tmp/.l2tp.conf << ! || errorHandle [global] port=1701 [lac zju] lns = ${VPN_SERVER_IP} require chap = yes redial = yes redial timeout = 3 max redials = ${U_V_REDIAL} pppoptfile = /tmp/.l2tp.zju ! cat > /tmp/.l2tp.zju << ! || errorHandle asyncmap 0 noauth modem netmask 255.255.255.0 proxyarp receive-all noipx user ${U_V_USERNAME} password ${U_V_PASSWORD} ! #! cat > /tmp/.l2tp.sec << ! || errorHandle ${U_V_USERNAME} * ${U_V_PASSWORD} * ! sleep 1 sudo xl2tpd -c /tmp/.l2tp.conf -s /tmp/.l2tp.sec -C /var/run/l2tpd-control -D &> /tmp/.l2tp.out & sleep 1 echo "c zju" | sudo tee /var/run/l2tpd-control &> /dev/null printf " Waiting." tick=0 while ! ifconfig | grep ppp0 &> /dev/null; do let tick+=1 [ $tick -ge $U_V_TIMEOUT ] && { echo "(Time out)"; errorHandle; } cat /tmp/.l2tp.out | fgrep close &>/dev/null && errorHandle sleep 1 printf "." done printf "\n" } findAndKill() { pgrep $1 &> /dev/null && sudo killall $1 &> /dev/null } setRoute() { inner_route="`ip route | fgrep default | sed 's/.*via\ //;s/\ dev.*//'`" vpn_route="`ip route | fgrep ppp0 | fgrep src | sed 's/\ dev.*//'`" vpn_net="`echo $vpn_route | sed 's/\ dev.*//' | sed 's/\.\w*$//;s/\.\w*$//'`" sudo ip route add 10.0.0.0/8 via $inner_route dev $NETWORK_ADAPTER sudo ip route add ${vpn_net}.0.0/16 via $inner_route dev $NETWORK_ADAPTER sudo ip route del default sudo ip route add default via $vpn_route dev ppp0 } domainUpdate() { [ -z `which w3m 2>/dev/null` ] && { echo "Error: w3m not found"; errorHandle; } if [ -n U_N_INNER_DOMAIN ]; then INTERNET_IP="`ifconfig ppp0 | head -2 | tail -1 | sed 's/.*addr://;s/ .*//'`" printf " Updating ${U_N_OUTER_DOMAIN} (IP: ${INTERNET_IP}) : " w3m -dump "http://${U_N_USERNAME}:${U_N_PASSWORD}@${DYNDNS_URL}${U_N_OUTER_DOMAIN}" 2>/dev/null fi if [ -n U_N_OUTER_DOMAIN ]; then printf " Updating ${U_N_INNER_DOMAIN} (IP: ${LOCAL_IP}) : " w3m -dump "http://${U_N_USERNAME}:${U_N_PASSWORD}@${DYNDNS_URL}${U_N_INNER_DOMAIN}&myip=${LOCAL_IP}" 2>/dev/null fi } if echo "$1" | grep "r" > /dev/null; then echo "STOPPING ZJG NETWORK" echo " Stopping running network daemon..." if [ -n "${U_V_USERNAME}" ]; then echo "d zju" | sudo tee /var/run/l2tpd-control &> /dev/null fi findAndKill xl2tpd sudo poff &>/dev/null findAndKill dhcpcd findAndKill pppd echo " Cleaning previous routes..." sudo ifconfig $NETWORK_ADAPTER down || errorHandle sudo ifconfig $NETWORK_ADAPTER up || errorHandle echo " DHCP..." sudo dhcpcd $NETWORK_ADAPTER || errorHandle fi getLocalIP echo "STARTING ZJG NETWORK" if [ -n "${U_C_USERNAME}" ]; then echo " Performing 201 Login..." zjg201Login fi if [ -n "${U_V_USERNAME}" ]; then echo " Starting xl2tpd..." executeXl2tpd || errorHandle echo " Setting up routes..." setRoute || errorHandle fi if [ -n U_N_USERNAME ]; then echo " Updating domains..." domainUpdate || errorHandle fi echo "DONE." |