# パスワードは encrypted な方がいいのはまちがいない
# このへんは、GUI で適当に
login password XXXXX
administrator password XXXXX
login user admin encrypted XXXXX
user attribute connection=serial,telnet,remote,ssh,sftp,http gui-page=dashboard,lan-map,config login-timer=1800
user attribute admin connection=serial,telnet,remote,ssh,sftp,http gui-page=dashboard,lan-map,config login-timer=1800

# コンソール文字化け対策
console character ja.utf8

# デフォルトで IPIP トンネルに抜ける
ip route default gateway tunnel 1

## 1. LAN設定 
ip lan1 address 192.168.1.254/24
# IPv6 アドレスを上から貰ってくる
ipv6 prefix 1 ra-prefix@lan2::/64

# 開通通知の [インターフェースID]
ipv6 lan1 address ra-prefix@lan2::9d6b:ZZZZ:0/64
ipv6 lan1 prefix change log on
ipv6 lan1 rtadv send 1 o_flag=on
ipv6 lan1 dhcp service server
switch control use lan1 on terminal=on

# これはようわからん、ウィザードが生成してきた。
# 削除するとイニシエーションに失敗するとか理由がありそうなので削らないほうが良さげ
lan linkup send-wait-time lan2 5

description lan2 AsahiNET

## 2. IPIP の設定 と  IPv4 フィルタ
tunnel select 1
 tunnel encapsulation ipip

#『IPv4 over IPv6接続（IPIP）接続設定情報』の
# [AFTRエンドポイントIPv6アドレス] まんま入力するとだめかも
 tunnel endpoint remote address 2001:c28:1:300::ZZZZ
 ip tunnel mtu 1460
 ip tunnel secure filter in 400003 400020 400021 400022 400023 400024 400025 400030 400032 400100 400101 400102 400103 dynamic 400082
 ip tunnel secure filter out 400013 400020 400021 400022 400023 400024 400025 400026 400027 400099 dynamic 400080 400081 400082 400083 400084 400085 400098 400099
 ip tunnel nat descriptor 20000
 tunnel enable 1
ip filter 1001 pass * * icmp * *
ip filter 400003 reject 192.168.1.0/24 * * * *
ip filter 400013 reject * 192.168.1.0/24 * * *
ip filter 400020 reject * * udp,tcp 135 *
ip filter 400021 reject * * udp,tcp * 135
ip filter 400022 reject * * udp,tcp netbios_ns-netbios_ssn *
ip filter 400023 reject * * udp,tcp * netbios_ns-netbios_ssn
ip filter 400024 reject * * udp,tcp 445 *
ip filter 400025 reject * * udp,tcp * 445
ip filter 400026 restrict * * tcpfin * www,21,nntp
ip filter 400027 restrict * * tcprst * www,21,nntp

# ping (icmp) を通しているが、落としてもいいと思う
ip filter 400030 pass * 192.168.1.0/24 icmp * *
ip filter 400032 pass * 192.168.1.0/24 tcp * ident
ip filter 400036 pass * 192.168.1.0/24 udp * ntp
ip filter 400037 pass * 192.168.1.0/24 udp ntp *
ip filter 400099 pass * * * * *

# Synology NAS に対する許可、ip tunnel secure filter in で使ってる 
ip filter 400100 pass * 192.168.1.244 tcp * 5000
ip filter 400101 pass * 192.168.1.244 tcp * 5001
ip filter 400102 pass * 192.168.1.244 tcp * 6690
ip filter 400103 pass * 192.168.1.244 tcp * https
ip filter 500000 restrict * * * * *
ip filter dynamic 400080 * * ftp
ip filter dynamic 400081 * * domain
ip filter dynamic 400082 * * www
ip filter dynamic 400083 * * smtp
ip filter dynamic 400084 * * pop3
ip filter dynamic 400085 * * submission
ip filter dynamic 400098 * * tcp
ip filter dynamic 400099 * * udp

## ３. NAT と IPv4 固定アドレス
nat descriptor type 20000 masquerade

# NAT の抜け先に固定 IP をあてる
nat descriptor address outer 20000 157.107.76.213
nat descriptor masquerade incoming 20000 reject 

# Synology NAS に対するアクセスを NAS の LANアドレスに向ける
nat descriptor masquerade static 20000 1000 192.168.1.244 tcp 5000
nat descriptor masquerade static 20000 1001 192.168.1.244 tcp 5001
nat descriptor masquerade static 20000 1002 192.168.1.244 tcp 6690
nat descriptor masquerade static 20000 1003 192.168.1.244 tcp https

## 4. IPv6 と IPｖ６フィルタ
ipv6 lan2 secure filter in 101000 101001 101002 101003 101010
ipv6 lan2 secure filter out 101099 dynamic 101080 101081 101082 101083 101084 101085 101097 101098 101099
ipv6 lan2 dhcp service client ir=on
ngn type lan2 ntt
ipv6 filter 101000 pass * * icmp6 * *
ipv6 filter 101001 pass * * tcp * ident
ipv6 filter 101002 pass * * udp * 546

# Synology NAS が使うポートを許可
ipv6 filter 101003 pass * * tcp * 5001

# IPIP を通す
ipv6 filter 101010 pass * * 4
ipv6 filter 101099 pass * * * * *
ipv6 filter dynamic 10197 * * https
ipv6 filter dynamic 101080 * * ftp
ipv6 filter dynamic 101081 * * domain
ipv6 filter dynamic 101082 * * www
ipv6 filter dynamic 101083 * * smtp
ipv6 filter dynamic 101084 * * pop3
ipv6 filter dynamic 101085 * * submission
ipv6 filter dynamic 101098 * * tcp
ipv6 filter dynamic 101099 * * udp

## 5. dhcp
dhcp service server
dhcp server rfc2131 compliant except remain-silent
dhcp scope 1 192.168.1.1-192.168.1.244/24

# まあこれは趣味、NAS に常時同じIP を降らせてる
dhcp scope bind 1 192.168.1.244 01 90 09 d0 4b 06 cd

# Pihole: 192.168.1.245 と RTX自身と、pubulic な DNS を降らせる
dhcp scope option 1 dns=192.168.1.245,192.168.1.254,9.9.9.9
dns host lan1
dns service fallback on
dns server dhcp lan2 edns=on
dns private address spoof on

## 6. そのたもろもろ
tftp host lan
telnetd host lan1

# スクリプト実行（スクリプト自体は生成されたものを編集して使っている)
schedule at 1 startup * lua emfs:/v6plus_map_e.lua

# 時刻動機
schedule at 2 */* 05:43:21 * ntpdate ntp.nict.jp syslog
httpd host lan1
alarm usbhost off
alarm sd off
alarm entire off
sshd service on
sshd host key generate 57712 ZZZZZZZ
# any ホストはまずいかも
sftpd host any
statistics traffic on
statistics nat on

embedded file v6plus_map_e.lua <<EOF

#『IPv4 over IPv6接続（IPIP）接続設定情報』の
# [アップデートサーバURL]、[認証用ユーザーID]、[認証用パスワード] を貼り付け
UPD_SV = "https://v6update.asahi-net.or.jp/prefix"
USERNAME = "P1234"
PASSWORD = "XXXYYYZZZ"

# ここはウィザードがやってくれるのでいじらない
WAN_IF = "LAN1"

LOG_PTN = "Add%s+IPv6%s+prefix.+%(Lifetime%:%s+%d+%)%s+via%s+" .. WAN_IF .. "%s+by"
LOG_LEVEL = "info"
LOG_PFX = "[v6plus]"
FAIL_MSG = "Failed to notify IPv6 address to the update server. (remaining retry: %d time(s))"

function logger(msg)
rt.syslog(LOG_LEVEL, string.format("%s %s", LOG_PFX, msg))
end

local rtn, count, log, result
local req_t = {}
local res_t
req_t.url = string.format("%s?user=%s&pass=%s", UPD_SV, USERNAME, PASSWORD)
req_t.method = "GET"
while true do
rtn = rt.syslogwatch(LOG_PTN)
if rtn then
count = 3
while true do
res_t = rt.httprequest(req_t)
if res_t.rtn1 then
logger("Notified IPv6 address to the update server.")
if res_t.code == 200 then
result = "Succeeded"
else
result = "Failed"
end
log = string.format("%s to update IPv6 address. (code=%d, body=%s)", result, res_t.code, res_t.body)
logger(log)
break
end
count = count - 1
if count > 0 then
logger(string.format(FAIL_MSG, count))
rt.sleep(10)
else
logger("Failed to notify IPv6 address to the update server.")
break
end
end
end
end
EOF