From: Michael Prokop <mika@grml.org>
Date: Fri, 26 Jun 2015 12:53:43 +0000 (+0200)
Subject: Support dns bootoption.
X-Git-Tag: debian/5.0_a4-1+grml.1~17
X-Git-Url: http://git.grml.org/?p=live-boot-grml.git;a=commitdiff_plain;h=1782f14f97bc63b0f0dde79e157e0806e0aaad44

Support dns bootoption.

Usage examples: dns=8.8.8.8 / dns=8.8.8.8,1.2.3.4
---

diff --git a/components/9990-cmdline-old b/components/9990-cmdline-old
index 2f566bb..91c1449 100755
--- a/components/9990-cmdline-old
+++ b/components/9990-cmdline-old
@@ -18,6 +18,19 @@ Cmdline_old ()
 				BOOTIF="${_PARAMETER#BOOTIF=}"
 				;;
 
+			dns=*)
+			  	DNSSERVER="${_PARAMETER#*=}"
+				if echo "${DNSSERVER}" | grep -q , ; then
+					DNSSERVER1="${DNSSERVER%,*}"
+					DNSSERVER2="${DNSSERVER#*,}"
+					export DNSSERVER1 DNSSERVER2
+				else
+					DNSSERVER1="$DNSSERVER"
+					export DNSSERVER1
+				fi
+				unset DNSSERVER
+				;;
+
 			bootid=*)
 				BOOTID="${_PARAMETER#bootid=}"
 				export BOOTID
diff --git a/components/9990-networking.sh b/components/9990-networking.sh
index dbdc913..6d73eec 100755
--- a/components/9990-networking.sh
+++ b/components/9990-networking.sh
@@ -151,7 +151,7 @@ do_netsetup ()
 				echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
 			fi
 
-			for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
+			for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1} ${DNSSERVER1} ${DNSSERVER2}
 			do
 				if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
 				then