Add rudimentry support for ifconfig'ing aliases at boot. Also allow

start_if.<if> to do all the work instead if so configured.  With examples.

2 files changed, 25 insertions, 3 deletions

diff --git a/etc/netstart b/etc/netstart
index 922d303..99277d0 100755
--- a/etc/netstart
+++ b/etc/netstart
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$Id: netstart,v 1.43 1996/04/03 17:13:58 phk Exp $
+#	$Id: netstart,v 1.44 1996/04/06 09:24:48 mpp Exp $
 #	From: @(#)netstart	5.9 (Berkeley) 3/30/91
 
 # Note that almost all the user-configurable behavior is no longer in
@@ -43,8 +43,23 @@ for ifn in ${network_interfaces}; do
 	if [ -e /etc/start_if.${ifn} ]; then
 		. /etc/start_if.${ifn} ${ifn}
 	fi
+	# Do the primary ifconfig if specified
 	eval ifconfig_args=\$ifconfig_${ifn}
-	ifconfig ${ifn} ${ifconfig_args}
+	if [ -n "${ifconfig_args}" ] ; then
+		ifconfig ${ifn} ${ifconfig_args}
+	fi
+	# Check to see if aliases need to be added
+	alias=0
+	while :
+	do
+		eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
+		if [ -n "${ifconfig_args}" ]; then
+			ifconfig ${ifn} ${ifconfig_args} alias
+			alias=`expr ${alias} + 1`
+		else
+			break;
+		fi
+	done
 	ifconfig ${ifn}
 done
 
diff --git a/etc/sysconfig b/etc/sysconfig
index f1d988a..75c49a7 100644
--- a/etc/sysconfig
+++ b/etc/sysconfig
@@ -4,7 +4,7 @@
 # This is sysconfig - a file full of useful variables that you can set 
 # to change the default startup behavior of your system.
 #
-#	$Id: sysconfig,v 1.50 1996/09/09 00:17:14 ache Exp $
+#	$Id: sysconfig,v 1.51 1996/10/21 20:09:27 wpaul Exp $
 
 ######################### Start Of Local Configuration Section ###########
 
@@ -107,6 +107,8 @@ weak_mountd_authentication=NO
 #
 # Set to the list of network devices on this host.  You must have an
 # ifconfig_${network_interface} line for each interface listed here.
+# Extra addresses may be specified with sequentual _alias<N> lines.
+#
 # for example:
 #
 #	network_interfaces="ed0 sl0 lo0"
@@ -114,6 +116,11 @@ weak_mountd_authentication=NO
 #	ifconfig_ed0="inet 10.0.0.1 netmask 0xffffff00"
 #	ifconfig_sl0="inet 10.0.1.0 netmask 0xffffff00"
 #	ifconfig_lo0="inet localhost"
+#	ifconfig_ed0_alias0="inet 10.0.2.1 netmask 0xffffff00"
+#	ifconfig_ed0_alias1="inet 10.0.2.2 netmask 0xffffffff"
+#
+# Alternatively, /etc/start_if.${network_interface} is run if it exists.
+# This script can be used as an alternative to the ifconfig_<xxx> lines.
 #
 network_interfaces="lo0"