90 lines
2.6 KiB
Diff
90 lines
2.6 KiB
Diff
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From 3f5bf54fbffdc3516a08c9329b4be80b06761c7a Mon Sep 17 00:00:00 2001
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From: Thomas Blume <Thomas.Blume@suse.com>
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Date: Wed, 22 Jul 2020 09:34:42 +0200
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Subject: [PATCH] 35network-legacy: simplify fallback dhcp setup
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suppress redundant calls to network setup
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combine code for "no ip option directed at our interface" and
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"No ip lines default to dhcp"
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correct evaluation of return code for creating did-setup files
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fix application of "load_ipv6" call to ipv6 setup only
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Reference: bsc#1173402
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---
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modules.d/35network-legacy/ifup.sh | 41 +++++++++++++++++++-------------------
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1 file changed, 21 insertions(+), 20 deletions(-)
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diff --git a/modules.d/35network-legacy/ifup.sh b/modules.d/35network-legacy/ifup.sh
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index c05ccc1b..b1ae52ea 100755
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--- a/modules.d/35network-legacy/ifup.sh
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+++ b/modules.d/35network-legacy/ifup.sh
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@@ -376,23 +376,6 @@ else
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fi
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-# No ip lines default to dhcp
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-ip=$(getarg ip)
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-
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-if [ -z "$NO_AUTO_DHCP" ] && [ -z "$ip" ]; then
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- if [ "$netroot" = "dhcp6" ]; then
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- do_dhcp -6
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- else
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- do_dhcp -4
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- fi
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-
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- for s in $(getargs nameserver); do
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- [ -n "$s" ] || continue
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- echo nameserver $s >> /tmp/net.$netif.resolv.conf
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- done
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-fi
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-
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-
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# Specific configuration, spin through the kernel command line
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# looking for ip= lines
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for p in $(getargs ip=); do
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@@ -473,21 +456,39 @@ done
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# no ip option directed at our interface?
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if [ -z "$NO_AUTO_DHCP" ] && [ ! -e /tmp/net.${netif}.up ]; then
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+ ret=1
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if [ -e /tmp/net.bootdev ]; then
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BOOTDEV=$(cat /tmp/net.bootdev)
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if [ "$netif" = "$BOOTDEV" ] || [ "$BOOTDEV" = "$(cat /sys/class/net/${netif}/address)" ]; then
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- load_ipv6
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do_dhcp
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+ ret=$?
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fi
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else
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- if getargs 'ip=dhcp6'; then
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+ # No ip lines, no bootdev -> default to dhcp
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+ ip=$(getarg ip)
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+
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+ if getargs 'ip=dhcp6' || [ -z "$ip" -a "$netroot" = "dhcp6" ]; then
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load_ipv6
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do_dhcp -6
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+ ret=$?
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fi
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- if getargs 'ip=dhcp'; then
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+ if getargs 'ip=dhcp' || [ -z "$ip" -a "$netroot" != "dhcp6" ]; then
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do_dhcp -4
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+ ret=$?
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fi
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fi
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+
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+ for s in $(getargs nameserver); do
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+ [ -n "$s" ] || continue
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+ echo nameserver $s >> /tmp/net.$netif.resolv.conf
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+ done
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+
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+ if [ "$ret" -eq 0 ] && [ -n "$(ls /tmp/leaseinfo.${netif}*)" ]; then
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+ > /tmp/net.${netif}.did-setup
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+ if [ -e /sys/class/net/${netif}/address ]; then
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+ > /tmp/net.$(cat /sys/class/net/${netif}/address).did-setup
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+ fi
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+ fi
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fi
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exit 0
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