#!/bin/bash
######系統配合
#下載ISO檔
#https://ftp.ubuntu-tw.org/ubuntu-releases/26.04.1/ 安裝
######鄭亮星 jls@mail.jls.idv.tw , jls550225@gmail.com , jls@acfs.tw
## 設定 ipv6 dhcpd vpn
ETH0=$(ls /proc/net/dev_snmp6 |awk '{ print $1 }' |sed -n '1p')
ETH1=$(ls /proc/net/dev_snmp6 |awk '{ print $1 }' |sed -n '2p')
IP=$(ifconfig $ETH0  |grep 'inet ' |awk '{print $2}')
DATE=$(date "+%Y%m%d%H")
. /root/setup.txt
sync
apt install radvd

cat > /etc/radvd.conf << EOF
# NOTE: there is no such thing as a working "by-default" configuration file. 
#       At least the prefix needs to be specified.  Please consult the radvd.conf(5)
#       man page and/or /usr/share/doc/radvd-*/radvd.conf.example for help.
#
# 使用radvd需要設定/etc/sysctl.conf裡新增net.ipv6.conf.all.forwarding=1，
#
interface $ETH1
{
        AdvSendAdvert on;
        AdvManagedFlag off;
        AdvOtherConfigFlag off;
        AdvReachableTime 0;
        AdvRetransTimer 0;
        AdvCurHopLimit 64;
        AdvDefaultLifetime 600;
        AdvHomeAgentFlag off;
        AdvDefaultPreference medium;
        AdvSourceLLAddress on;
        prefix fc01:192:168:abc::/64
        {
                AdvValidLifetime 86400;
                AdvPreferredLifetime 14400;
                AdvOnLink on;
                AdvAutonomous on;
                AdvRouterAddr off;
        };
        RDNSS 2001:b000:168::1 2001:b000:168::2 2001:4860:4860::8888
        {
                AdvRDNSSPreference 8;
                AdvRDNSSLifetime 1200;
        };

};
EOF

cat radvd-pppx.txt >> /etc/radvd.conf

tar zxvf ipv6ppp.tgz -C /
systemctl restart radvd.service
systemctl restart pptpd.service
systemctl restart strongswan-starter.service
systemctl restart xl2tpd.service