From 87b1945a66839953498cd0028e9cf3a714e35c9d Mon Sep 17 00:00:00 2001
From: Anil Madhavapeddy <anil@recoil.org>
Date: Tue, 12 Jan 2016 10:21:17 +0000
Subject: [PATCH] Remove `nat-script.sh` from the scripts directory, to be
 available as an external script since it is GPLv2 licensed.

---
 CHANGES.md            |   3 +
 scripts/nat-script.sh | 134 ------------------------------------------
 2 files changed, 3 insertions(+), 134 deletions(-)
 delete mode 100755 scripts/nat-script.sh

diff --git a/CHANGES.md b/CHANGES.md
index fdc122ec5..f68b13dfd 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -31,6 +31,9 @@ let my_functor =
   `My_functor.start` will now take an extra argument for each
   dependencies. In the case of nocrypto, this is `()`.
 
+* Remove `nat-script.sh` from the scripts directory, to be available
+  as an external script.
+
 ### 2.6.1 (2015-09-08)
 
 * Xen: improve the .xl file generation. We now have
diff --git a/scripts/nat-script.sh b/scripts/nat-script.sh
deleted file mode 100755
index 89e2e6080..000000000
--- a/scripts/nat-script.sh
+++ /dev/null
@@ -1,134 +0,0 @@
-#!/bin/sh
-#
-# Copyright IBM, Corp. 2010  
-#
-# Authors:
-#  Anthony Liguori <aliguori@us.ibm.com>
-#
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-
-# Set to the name of your bridge
-BRIDGE=xenbr0
-
-# Network information
-NETWORK=192.168.53.0
-NETMASK=255.255.255.0
-GATEWAY=192.168.53.1
-DHCPRANGE=192.168.53.2,192.168.53.254
-
-# Optionally parameters to enable PXE support
-TFTPROOT=
-BOOTP=
-
-do_brctl() {
-    brctl "$@"
-}
-
-do_ifconfig() {
-    ifconfig "$@"
-}
-
-do_dd() {
-    dd "$@"
-}
-
-do_iptables_restore() {
-    iptables-restore "$@"
-}
-
-do_dnsmasq() {
-    dnsmasq "$@"
-}
-
-check_bridge() {
-    if do_brctl show | grep "^$1" > /dev/null 2> /dev/null; then
-	return 1
-    else
-	return 0
-    fi
-}
-
-create_bridge() {
-    do_brctl addbr "$1"
-    do_brctl stp "$1" off
-    do_brctl setfd "$1" 0
-    do_ifconfig "$1" "$GATEWAY" netmask "$NETMASK" up
-}
-
-enable_ip_forward() {
-    echo 1 | do_dd of=/proc/sys/net/ipv4/ip_forward > /dev/null
-}
-
-add_filter_rules() {
-do_iptables_restore <<EOF
-# Generated by iptables-save v1.3.6 on Fri Aug 24 15:20:25 2007
-*nat
-:PREROUTING ACCEPT [61:9671]
-:POSTROUTING ACCEPT [121:7499]
-:OUTPUT ACCEPT [132:8691]
--A POSTROUTING -s $NETWORK/$NETMASK -j MASQUERADE 
-COMMIT
-# Completed on Fri Aug 24 15:20:25 2007
-# Generated by iptables-save v1.3.6 on Fri Aug 24 15:20:25 2007
-*filter
-:INPUT ACCEPT [1453:976046]
-:FORWARD ACCEPT [0:0]
-:OUTPUT ACCEPT [1605:194911]
--A INPUT -i $BRIDGE -p tcp -m tcp --dport 67 -j ACCEPT 
--A INPUT -i $BRIDGE -p udp -m udp --dport 67 -j ACCEPT 
--A INPUT -i $BRIDGE -p tcp -m tcp --dport 53 -j ACCEPT 
--A INPUT -i $BRIDGE -p udp -m udp --dport 53 -j ACCEPT 
--A FORWARD -i $1 -o $1 -j ACCEPT 
--A FORWARD -s $NETWORK/$NETMASK -i $BRIDGE -j ACCEPT 
--A FORWARD -d $NETWORK/$NETMASK -o $BRIDGE -m state --state RELATED,ESTABLISHED -j ACCEPT 
--A FORWARD -o $BRIDGE -j REJECT --reject-with icmp-port-unreachable 
--A FORWARD -i $BRIDGE -j REJECT --reject-with icmp-port-unreachable 
-COMMIT
-# Completed on Fri Aug 24 15:20:25 2007
-EOF
-}
-
-start_dnsmasq() {
-    do_dnsmasq \
-        --strict-order \
-        --except-interface=lo \
-        --interface=$BRIDGE \
-        --listen-address=$GATEWAY \
-        --bind-interfaces \
-        --dhcp-range=$DHCPRANGE \
-        --conf-file="" \
-        --pid-file=/var/run/qemu-dnsmasq-$BRIDGE.pid \
-        --dhcp-leasefile=/var/run/qemu-dnsmasq-$BRIDGE.leases \
-        --dhcp-no-override \
-        ${TFTPROOT:+"--enable-tftp"} \
-        ${TFTPROOT:+"--tftp-root=$TFTPROOT"} \
-        ${BOOTP:+"--dhcp-boot=$BOOTP"}
-}
-
-setup_bridge_nat() {
-    if check_bridge "$1"
-    then
-        echo "Creating bridge $1"
-        create_bridge "$1"
-        enable_ip_forward
-        add_filter_rules "$1"
-        start_dnsmasq "$1"
-    else
-        echo "Bridge $1 already exist, aborting."
-    fi
-}
-
-setup_bridge_vlan() {
-    if check_bridge "$1"
-    then
-        echo "Creating bridge $1"
-        create_bridge "$1"
-        start_dnsmasq "$1"
-    else
-        echo "Bridge $1 already exist, aborting."
-    fi
-}
-
-setup_bridge_nat "$BRIDGE"
-