From: Frank Deng <frank.deng@oracle.com>
Date: Sat, 15 Jun 2019 20:35:42 +0000 (-0700)
Subject: 35network-legacy: fix classless static route parsing
X-Git-Tag: 050~198
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11e1f680656177cfbba4e06f08b6707f4a812bc0;p=thirdparty%2Fdracut.git

35network-legacy: fix classless static route parsing
---

diff --git a/modules.d/35network-legacy/dhclient-script.sh b/modules.d/35network-legacy/dhclient-script.sh
index fc6ed0a36..66cfe34bf 100755
--- a/modules.d/35network-legacy/dhclient-script.sh
+++ b/modules.d/35network-legacy/dhclient-script.sh
@@ -126,9 +126,11 @@ parse_option_121() {
         elif [ $mask -gt 8 ]; then
             destination="$1.$2.0.0/$mask"
             shift; shift
-        else
+        elif [ $mask -gt 0 ]; then
             destination="$1.0.0.0/$mask"
             shift
+        else
+            destination="0.0.0.0/$mask"
         fi
 
         # Read the gateway
@@ -138,7 +140,7 @@ parse_option_121() {
         # Multicast routing on Linux
         #  - If you set a next-hop address for a multicast group, this breaks with Cisco switches
         #  - If you simply leave it link-local and attach it to an interface, it works fine.
-        if [ $multicast -eq 1 ]; then
+        if [ $multicast -eq 1 -o "$gateway" = "0.0.0.0" ]; then
             temp_result="$destination dev $interface"
         else
             temp_result="$destination via $gateway dev $interface"