Run '/sbin/dhclient -6' instead of /sbin/dhcp6c (#553017, <dcantrell@redhat.com>)

The ISC software is now used for DHCPv6 support, so run dhclient in
DHCPv6 mode instead of the older /sbin/dhcp6c program.  Still honor the
same configuration variables.

3 files changed, 13 insertions, 17 deletions

diff --git a/sysconfig.txt b/sysconfig.txt
index 3be175fb..2dce8e81 100644
--- a/sysconfig.txt
+++ b/sysconfig.txt
@@ -665,11 +665,11 @@ Files in /etc/sysconfig/network-scripts/
 
    IPv6-only option to enable DHCPv6 client:
       DHCPV6C=yes|no
-      This will enable the DHCPv6 client, dhcp6c, to be run for the interface.
-      See man dhcp6c(8) and dhcp6c.conf(5).
+      This will enable the DHCPv6 features of dhclient to be run for the interface.
+      See man dhclient(8) and dhclient.conf(5).
       DHCPV6C_OPTIONS=...
       This will pass given arguments to the DHCPv6 client.  For example,
-      "-I" option will request network information (e.g., DNS addresses)
+      "-S" option will request network information (e.g., DNS addresses)
       only, not IPv6 addresses.
 
   Ethernet-only items:
diff --git a/sysconfig/network-scripts/ifdown-eth b/sysconfig/network-scripts/ifdown-eth
index 5e6d7d35..1ca6a6f2 100755
--- a/sysconfig/network-scripts/ifdown-eth
+++ b/sysconfig/network-scripts/ifdown-eth
@@ -63,28 +63,26 @@ if is_bonding_device ${DEVICE} ; then
 fi
 
 /etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}
-if [[ "${DHCPV6C}" = [Yy1]* ]] && [ -f /var/run/dhcp6c_${DEVICE}.pid ]; then
-	kill $(cat /var/run/dhcp6c_${DEVICE}.pid);
-	rm -f /var/run/dhcp6c_${DEVICE}.pid;
-fi
 
 retcode=0
 [ -n "$(pidof -x dhclient)" ] && {
-	if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
-		dhcpid=$(cat /var/run/dhclient-${DEVICE}.pid)
+   for VER in "" 6 ; do
+	if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then
+		dhcpid=$(cat /var/run/dhclient$VER-${DEVICE}.pid)
 		if [[ "$DHCPRELEASE" = [yY1]* ]];  then
-			/sbin/dhclient -r -lf /var/lib/dhclient/dhclient-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1
+			/sbin/dhclient -r -lf /var/lib/dhclient/dhclient$VER-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1
 			retcode=$?
 		else
 			kill $dhcpid >/dev/null 2>&1
 			retcode=$?
-		   	reason=STOP interface=${DEVICE} /sbin/dhclient-script
+			reason=STOP$VER interface=${DEVICE} /sbin/dhclient-script
 		fi
-		if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
-			rm -f /var/run/dhclient-${DEVICE}.pid
+		if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then
+			rm -f /var/run/dhclient$VER-${DEVICE}.pid
 			kill $dhcpid >/dev/null 2>&1
 		fi	
 	fi
+    done
 }	
 # we can't just delete the configured address because that address
 # may have been changed in the config file since the device was
diff --git a/sysconfig/network-scripts/ifup-eth b/sysconfig/network-scripts/ifup-eth
index 1fa871db..d3bb25b6 100755
--- a/sysconfig/network-scripts/ifup-eth
+++ b/sysconfig/network-scripts/ifup-eth
@@ -305,10 +305,8 @@ fi
 
 # IPv6 initialisation?
 /etc/sysconfig/network-scripts/ifup-ipv6 ${CONFIG}
-if [[ "${DHCPV6C}"  = [Yy1]* ]] && [ -x /sbin/dhcp6c ]; then
-    /sbin/dhcp6c ${DHCPV6C_OPTIONS} ${DEVICE}
-    dhcp6_pid=($(/bin/ps -eo 'pid,args' | /bin/grep "dhcp6c ${DHCPV6C_OPTIONS} ${DEVICE}" | egrep -v grep))
-    [ -n  "$dhcp6_pid" ] && echo ${dhcp6_pid[0]} > /var/run/dhcp6c_${DEVICE}.pid
+if [[ "${DHCPV6C}"  = [Yy1]* ]] && [ -x /sbin/dhclient ]; then
+    /sbin/dhclient -6 ${DHCPV6C_OPTIONS} ${DEVICE}  -lf /var/lib/dhclient/dhclient6-${DEVICE}.leases -pf /var/run/dhclient6-${DEVICE}.pid
 fi
 
 exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2}