From b7ef7c3cd0bcce1c4d77694be607b6b8d81fcc58 Mon Sep 17 00:00:00 2001
From: "Michael K. Johnson" <johnsonm@redhat.com>
Date: Sat, 2 May 1998 21:37:53 +0000
Subject: linuxconf support

---
 initscripts.spec                       |  7 +++++-
 rc.d/init.d/network                    | 22 ++++++++++++++-----
 sysconfig/network-scripts/ifup-aliases | 40 ++++++++++++++++++++++++++++++++++
 sysconfig/network-scripts/ifup-post    |  6 +----
 sysconfig/network-scripts/ifup-routes  | 22 +++++++++++++------
 5 files changed, 79 insertions(+), 18 deletions(-)
 create mode 100755 sysconfig/network-scripts/ifup-aliases

diff --git a/initscripts.spec b/initscripts.spec
index 580edf13..b1e46026 100644
--- a/initscripts.spec
+++ b/initscripts.spec
@@ -1,6 +1,6 @@
 Summary: inittab and /etc/rc.d scripts
 Name: initscripts
-%define version 3.55
+%define version 3.56
 Version: %{version}
 Copyright: GPL
 Group: Base
@@ -17,6 +17,11 @@ that activate and deactivate most network interfaces.
 
 %changelog
 
+* Sat May 02 1998 Michael K. Johnson <johnsonm@redhat.com>
+
+- Added lots of linuxconf support.  Should still work on systems that
+  do not have linuxconf installed, but linuxconf gives enhanced support.
+
 * Fri May 01 1998 Erik Troan <ewt@redhat.com>
 
 - rc.sysinit uses preferred directory
diff --git a/rc.d/init.d/network b/rc.d/init.d/network
index 30dea69a..dcf70b91 100755
--- a/rc.d/init.d/network
+++ b/rc.d/init.d/network
@@ -33,10 +33,8 @@ cd /etc/sysconfig/network-scripts
 interfaces=`ls ifcfg* | egrep -v '(ifcfg-lo|:)' | egrep 'ifcfg-[a-z0-9]+$' | \
             sed 's/^ifcfg-//g'`
 
-
-# See how we were called.
-case "$1" in
-  start)
+ipv4_forward_set ()
+{
 	# Turn IP forwarding on or off. We do this before bringing up the
 	# interfaces to make sure we don't forward when we shouldn't, and
 	# we do it even if networking isn't configured (why not?).
@@ -61,6 +59,13 @@ case "$1" in
 		fi
 	    fi
 	fi
+}
+
+
+# See how we were called.
+case "$1" in
+  start)
+	ipv4_forward_set
 
 	./ifup ifcfg-lo
 	for i in $interfaces; do
@@ -100,6 +105,9 @@ case "$1" in
   reload)
 	if [ -x /bin/linuxconf ] ; then
 		eval `/bin/linuxconf --hint netdev`
+		if [ "$RECONF_IPV4ROUTING" = "yes" ] ; then
+			ipv4_forward_set
+		fi
 		for device in $DEV_UP ; do
 			./ifup $device
 		done
@@ -123,10 +131,14 @@ case "$1" in
   probe)
 	if [ -x /bin/linuxconf ] ; then
 		eval `/bin/linuxconf --hint netdev`
-		[ -n "$DEV_UP$DEV_DOWN$DEV_RECONF$DEV_RECONF_ALIASES$DEV_RECONF_ROUTES" ] && \
+		[ -n "$DEV_UP$DEV_DOWN$DEV_RECONF$DEV_RECONF_ALIASES" -o \
+		  -n "$DEV_RECONF_ROUTES" -o \
+		  "$RECONF_IPV4ROUTING" = yes ] && \
 			echo reload
 		exit 0
 	else
+		# if linuxconf isn't around to figure stuff out for us,
+		# we punt.
 		exit 0
 	fi
 	;;
diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases
new file mode 100755
index 00000000..39233819
--- /dev/null
+++ b/sysconfig/network-scripts/ifup-aliases
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# adds aliases of device $1
+
+if [ "$1" = "" ]; then
+	echo "usage: $0 <net-device>"
+	exit 1
+fi
+
+if [ -x /bin/linuxconf ] ; then
+    # ask linuxconf for lines like:
+    # add	<device>	<ip>
+    # del	<device>
+    # reload	<number_of_aliases>
+    linuxconf --hint ipalias $1 | while read verb arg1 arg2 ; do
+	case $verb in
+	  add)
+		/sbin/ifconfig $arg1 $arg2
+		/sbin/route add $arg2 $arg1
+		;;
+	  del)
+		# the <device>- 0.0.0.0 tells the kernel to remove the device
+		# it is necessary to remove it in order for reload to work.
+		/sbin/ifconfig ${arg1}- 0.0.0.0
+		;;
+	  reload)
+		echo $arg1 > /proc/sys/net/core/net_alias_max
+		;;
+	esac
+    done
+
+else
+    # we don't have linuxconf to fall back on, so presumably we do
+    # not have to parse linuxconf ipalias ranges, either.
+    allow_null_glob_expansion=foo
+    for alias in /etc/sysconfig/network-scripts/ifcfg-$1:* ; do
+	/etc/sysconfig/network-scripts/ifup $alias
+    done
+    unset allow_null_glob_expansion
+fi
diff --git a/sysconfig/network-scripts/ifup-post b/sysconfig/network-scripts/ifup-post
index 6dee839a..414bae6a 100755
--- a/sysconfig/network-scripts/ifup-post
+++ b/sysconfig/network-scripts/ifup-post
@@ -19,11 +19,7 @@ fi
 /etc/sysconfig/network-scripts/ifup-routes ${DEVICE}
 
 if [ "$ISALIAS" = no ] ; then
-    allow_null_glob_expansion=foo
-    for alias in /etc/sysconfig/network-scripts/ifcfg-${DEVICE}:* ; do
-	/etc/sysconfig/network-scripts/ifup $alias
-    done
-    unset allow_null_glob_expansion
+    /etc/sysconfig/network-scripts/ifup-aliases ${DEVICE}
 fi
 
 if [ -n "$NEEDHOSTNAME" -a ${DEVICE} != lo ]; then
diff --git a/sysconfig/network-scripts/ifup-routes b/sysconfig/network-scripts/ifup-routes
index f8006b8b..6cae8d4c 100755
--- a/sysconfig/network-scripts/ifup-routes
+++ b/sysconfig/network-scripts/ifup-routes
@@ -7,11 +7,19 @@ if [ "$1" = "" ]; then
 	exit 1
 fi
 
-if [ ! -f /etc/sysconfig/static-routes ]; then
-	exit 0
-fi
+if [ -x /bin/linuxconf ] ; then
+	rm -f /var/run/routes.current
+	linuxconf --hint routing "$1" | while read args; do
+	    /sbin/route $args
+	    echo $args >> /var/run/routes.current
+	done
+else
+	if [ ! -f /etc/sysconfig/static-routes ]; then
+		exit 0
+	fi
 
-#note the trailing space in the grep gets rid of aliases
-grep "^$1 " /etc/sysconfig/static-routes | while read device args; do
-    /sbin/route add -$args $device
-done
+	#note the trailing space in the grep gets rid of aliases
+	grep "^$1 " /etc/sysconfig/static-routes | while read device args; do
+	    /sbin/route add -$args $device
+	done
+fi
-- 
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