dracut/0094-40network-Update-iBFT-scanning-code-to-handle-IPv6.patch

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2016-08-18 11:30:10 +00:00
From c98d1756f766e49f7b457e217b0e0156d577d8b8 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Thu, 12 May 2016 20:03:28 +0200
Subject: [PATCH] 40network: Update iBFT scanning code to handle IPv6
IPv6 addresses should be specified in brackets so that the
ip= scanning code doesn't get confused.
References: bnc#887542
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Thomas Renninger <trenn@suse.com>
---
modules.d/40network/net-lib.sh | 48 +++++++++++++++++++++++++++++++++++++-----
1 file changed, 43 insertions(+), 5 deletions(-)
diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index 005ad1b..9c1448d 100755
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -241,23 +241,54 @@ ibft_to_cmdline() {
[ -e /tmp/net.${dev}.has_ibft_config ] && continue
+ [ -e ${iface}/flags ] && flags=$(read a < ${iface}/flags; echo $a)
+ # Skip invalid interfaces
+ (( $flags & 1 )) || continue
+ # Skip interfaces not used for booting
+ (( $flags & 2 )) || continue
[ -e ${iface}/dhcp ] && dhcp=$(read a < ${iface}/dhcp; echo $a)
-
- if [ -n "$dhcp" ]; then
- echo "ip=$dev:dhcp"
+ [ -e ${iface}/origin ] && origin=$(read a < ${iface}/origin; echo $a)
+ [ -e ${iface}/ip-addr ] && ip=$(read a < ${iface}/ip-addr; echo $a)
+
+ if [ -n "$ip" ] ; then
+ case "$ip" in
+ *.*.*.*)
+ family=ipv4
+ ;;
+ *:*)
+ family=ipv6
+ ;;
+ esac
+ fi
+ if [ -n "$dhcp" ] || [ "$origin" -eq 3 ]; then
+ if [ "$family" = "ipv6" ] ; then
+ echo "ip=$dev:dhcp6"
+ else
+ echo "ip=$dev:dhcp"
+ fi
elif [ -e ${iface}/ip-addr ]; then
- [ -e ${iface}/ip-addr ] && ip=$(read a < ${iface}/ip-addr; echo $a)
# skip not assigned ip adresses
[ "$ip" = "0.0.0.0" ] && continue
[ -e ${iface}/gateway ] && gw=$(read a < ${iface}/gateway; echo $a)
[ "$gateway" = "0.0.0.0" ] && unset $gateway
[ -e ${iface}/subnet-mask ] && mask=$(read a < ${iface}/subnet-mask; echo $a)
+ [ -e ${iface}/prefix-len ] && prefix=$(read a < ${iface}/prefix-len; echo $a)
[ -e ${iface}/primary-dns ] && dns1=$(read a < ${iface}/primary-dns; echo $a)
[ "$dns1" = "0.0.0.0" ] && unset $dns1
[ -e ${iface}/secondary-dns ] && dns2=$(read a < ${iface}/secondary-dns; echo $a)
[ "$dns2" = "0.0.0.0" ] && unset $dns2
[ -e ${iface}/hostname ] && hostname=$(read a < ${iface}/hostname; echo $a)
- if [ -n "$ip" ] && [ -n "$mask" ]; then
+ if [ "$family" = "ipv6" ] ; then
+ if [ -n "$ip" ] ; then
+ [ -n "$prefix" ] || prefix=64
+ ip="[${ip}/${prefix}]"
+ mask=
+ fi
+ if [ -n "$gw" ] ; then
+ gw="[${gw}]"
+ fi
+ fi
+ if [ -n "$ip" ] && [ -n "$mask" -o -n "$prefix" ]; then
echo "ip=$ip::$gw:$mask:$hostname:$dev:none${dns1:+:$dns1}${dns2:+:$dns2}"
else
warn "${iface} does not contain a valid iBFT configuration"
@@ -439,6 +470,13 @@ ip_to_var() {
esac
;;
esac
+ # Extract prefix length from CIDR notation
+ case $ip in
+ */*)
+ mask=${ip##*/}
+ ip=${ip%/*}
+ ;;
+ esac
# ip=<ipv4-address> means anaconda-style static config argument cluster:
# ip=<ip> gateway=<gw> netmask=<nm> hostname=<host> mtu=<mtu>