From 5b028f5b28abba6e966f193cc9638a7dc112b295 Mon Sep 17 00:00:00 2001
From: Neo_Chen <chenkolei@gmail.com>
Date: Sun, 26 Apr 2020 19:49:55 +0800
Subject: [PATCH] DNS: generator: loopback address support

---
 dns/db.10.127                    | 48 +++++++++++++++++++-------------
 scripts/dns-reverse-generator.sh | 29 +++++++++++++++++--
 2 files changed, 55 insertions(+), 22 deletions(-)

diff --git a/dns/db.10.127 b/dns/db.10.127
index 7eea0d5..99b7001 100644
--- a/dns/db.10.127
+++ b/dns/db.10.127
@@ -9,15 +9,13 @@ $TTL	604800
 ;
 @	IN	NS	NeoPDP-11.neo.
 
+; 
 1.1	IN	PTR	NeoPDP-11.neo.
-1.255	IN	PTR	NeoPDP-11.neo.
 40.1	IN	PTR	cklvax.neo.
 63.1	IN	PTR	NNPCC.neo.
 20.1	IN	PTR	NeoBOX.neo.
 10.1	IN	PTR	neostorage.neonetwork.
 80.1	IN	PTR	NeoSystem.neo.
-80.255	IN	PTR	NeoSystem.neo.
-2.255	IN	PTR	ucbvax.neo.
 1.3	IN	PTR	pan.neo.
 
 185.8	IN	PTR	staph.neo.
@@ -39,25 +37,14 @@ $TTL	604800
 1.8     IN      PTR     librehs.neo.
 2.8     IN      PTR     blog.librehs.neo.
 
+; DO NOT MANUALLY EDIT THE FOLLOWING LINES
 ; AUTOGENERATED
+
+; Tunnel /30 Addresses
 1.0	IN	PTR	ucbvax.caasih.tun30.neo.
 2.0	IN	PTR	caasih.ucbvax.tun30.neo.
 9.0	IN	PTR	NeoSystem.ucbvax.tun30.neo.
 10.0	IN	PTR	ucbvax.NeoSystem.tun30.neo.
-10.127.10.1	IN	PTR	LanTian.pp.neo.
-10.127.11.199	IN	PTR	SUNNET.pp.neo.
-10.127.4.254	IN	PTR	Icecat-Explosion.pp.neo.
-10.127.69.1	IN	PTR	santost12.pp.neo.
-10.127.8.185	IN	PTR	staph.pp.neo.
-10.127.8.193	IN	PTR	JerryXiao.pp.neo.
-10.127.8.193	IN	PTR	JerryXiao.pp.neo.
-10.127.8.193	IN	PTR	JerryXiao.pp.neo.
-10.127.8.194	IN	PTR	JerryXiao-HK1.pp.neo.
-10.127.8.194	IN	PTR	JerryXiao-HK1.pp.neo.
-10.127.8.194	IN	PTR	JerryXiao-HK1.pp.neo.
-10.127.8.195	IN	PTR	JerryXiao-SH1.pp.neo.
-10.127.8.195	IN	PTR	JerryXiao-SH1.pp.neo.
-10.127.8.196	IN	PTR	JerryXiao-HK2.pp.neo.
 13.0	IN	PTR	NeoPDP-11.ucbvax.tun30.neo.
 14.0	IN	PTR	ucbvax.NeoPDP-11.tun30.neo.
 17.0	IN	PTR	NeoPDP-11.caasih.tun30.neo.
@@ -118,5 +105,28 @@ $TTL	604800
 138.0	IN	PTR	septs.James58899.tun30.neo.
 141.0	IN	PTR	icecat-jp3.pan.tun30.neo.
 142.0	IN	PTR	pan.icecat-jp3.tun30.neo.
-172.20.51.99	IN	PTR	JerryXiao.pp.neo.
-172.22.127.2	IN	PTR	dfceaef.pp.neo.
+
+; Point to Point Addresses
+1.10	IN	PTR	LanTian.pp.neo.
+1.69	IN	PTR	santost12.pp.neo.
+2.127	IN	PTR	dfceaef.pp.neo.
+99.51	IN	PTR	JerryXiao.pp.neo.
+185.8	IN	PTR	staph.pp.neo.
+193.8	IN	PTR	JerryXiao.pp.neo.
+193.8	IN	PTR	JerryXiao.pp.neo.
+193.8	IN	PTR	JerryXiao.pp.neo.
+194.8	IN	PTR	JerryXiao-HK1.pp.neo.
+194.8	IN	PTR	JerryXiao-HK1.pp.neo.
+194.8	IN	PTR	JerryXiao-HK1.pp.neo.
+195.8	IN	PTR	JerryXiao-SH1.pp.neo.
+195.8	IN	PTR	JerryXiao-SH1.pp.neo.
+196.8	IN	PTR	JerryXiao-HK2.pp.neo.
+199.11	IN	PTR	SUNNET.pp.neo.
+254.4	IN	PTR	Icecat-Explosion.pp.neo.
+
+; Loopback Addresses
+1.255	IN	PTR	NeoPDP-11.neo
+2.255	IN	PTR	ucbvax.neo
+4.255	IN	PTR	pan.neo
+56.255	IN	PTR	frank-hsinchu.neo
+80.255	IN	PTR	NeoSystem.neo
diff --git a/scripts/dns-reverse-generator.sh b/scripts/dns-reverse-generator.sh
index ac53569..abc746c 100755
--- a/scripts/dns-reverse-generator.sh
+++ b/scripts/dns-reverse-generator.sh
@@ -3,6 +3,10 @@ set -e
 
 IPTOOL="$PWD/Misc/C/ip"
 
+TUN30_TEMP="$(mktemp)"
+PP_TEMP="$(mktemp)"
+LO_TEMP="$(mktemp)"
+
 if [ ! -x "$IPTOOL" ]; then
 	echo "You need to build Misc/C/ip first"
 	exit 1
@@ -24,15 +28,34 @@ for i in *; do
 		upstream_ip=$("$IPTOOL" "$i" 1)
 		downstream_ip=$("$IPTOOL" "$i" 2)
 
+		(
 		print_record "$upstream_ip" "$DOWNSTREAM.$UPSTREAM.tun30.neo."
 		print_record "$downstream_ip" "$UPSTREAM.$DOWNSTREAM.tun30.neo."
+		) >> "$TUN30_TEMP"
 	elif [ "$TYPE" = "PP" ]; then
 		i="${i/PP,/}"
 		upstream_ip="${i%~*}"
 		downstream_ip="${i#*~}"
 
-		print_record "$upstream_ip" "$UPSTREAM.pp.neo."
-		print_record "$downstream_ip" "$DOWNSTREAM.pp.neo."
+		(
+		print_record "$("$IPTOOL" "$upstream_ip" 0)" "$UPSTREAM.pp.neo."
+		print_record "$("$IPTOOL" "$downstream_ip" 0)" "$DOWNSTREAM.pp.neo."
+		) >> "$PP_TEMP"
+	elif [ "$TYPE" = "LO" ]; then
+		ip="${i/,32/}"
+
+		print_record "$("$IPTOOL" "$ip" 0)" "$NAME.neo" >> "$LO_TEMP"
 	fi
 done
-) | sort -n >> dns/db.10.127
+)
+
+{
+	echo -e "\n; Tunnel /30 Addresses"
+	sort -n < "$TUN30_TEMP"
+	echo -e "\n; Point to Point Addresses"
+	sort -n < "$PP_TEMP"
+	echo -e "\n; Loopback Addresses"
+	sort -n < "$LO_TEMP"
+} >> dns/db.10.127
+
+rm -f "$TUN30_TEMP" "$PP_TEMP" "$LO_TEMP"