#!/bin/sh
#
# Copyright (c) 1995, by Sun Microsystems, Inc.
# All Rights Reserved
#
#ident  "@(#)inetsvc 1.16 97/04/17 SMI"
#
# This is third phase of TCP/IP startup/configuration.  This script
# runs after the NIS/NIS+ startup script.  We run things here that may
# depend on NIS/NIS+ maps.
#

############################################################################
# $Id: inetsvc_5.6,v 1.5 2000/07/19 00:03:28 chouanar Exp $
#
# Modified by: Jean Chouanard <chouanard@parc.xerox.com> to read /etc/yassp.conf
#
#
#
############################################################################
if [ -f /etc/yassp.conf ] ; then
    . /etc/yassp.conf
fi

#
# XXX - We need to give ypbind time to bind to a server.
#
sleep 5
# 
# Re-set the netmask and broadcast addr for all IP interfaces.  This
# ifconfig is run here, after NIS has been started, so that "netmask
# +" will find the netmask if it lives in a NIS map.
# The 'D' in -auD tells ifconfig NOT to mess with the interface
# if it is under DHCP control
#
/usr/sbin/ifconfig -auD netmask + broadcast +

# This is a good time to verify that all of the interfaces were
# correctly configured.  But this is too noisy to run every time we
# boot.
#
# echo "network interface configuration:"
# /usr/sbin/ifconfig -a

#
# If this machine is configured to be an Internet Domain Name 
# System (DNS) server, run the name daemon.
# Start named prior to: route add net host, to avoid dns
# gethostbyname timout delay for nameserver during boot.
#
if [ -f /usr/sbin/in.named -a -f /etc/named.boot ]; then
	/usr/sbin/in.named;	echo "starting internet domain name server."
fi

if [ "X${SUNSTARTUP}" = "XYES" ] ; then
#
# Warning: The umask is 000 during boot, which requires explicit setting
# of file permission modes.
#
# Configure DNS where used
dnsdomain=`/sbin/dhcpinfo DNSdmain`
if [ -n "$dnsdomain" ]; then
	dnsservers=`/sbin/dhcpinfo DNSserv`
	if [ -n "$dnsservers" ]; then
		if [ -f /etc/resolv.conf ]; then
			sed -e '/^domain/d' -e '/^nameserver/d' \
				/etc/resolv.conf > /etc/resolv.conf.$$
		fi
		echo "domain $dnsdomain" >> /etc/resolv.conf.$$
		for name in $dnsservers; do
			echo nameserver $name >> /etc/resolv.conf.$$
		done
	else
		if [ -f /etc/resolv.conf ]; then
			sed -e '/^domain/d' /etc/resolv.conf > /etc/resolv.conf.$$
		fi
		echo "domain $dnsdomain" >> /etc/resolv.conf.$$
	fi
	mv /etc/resolv.conf.$$ /etc/resolv.conf
	chmod 644 /etc/resolv.conf

	# Add dns to the nsswitch file, if it isn't already there.
	/usr/bin/awk ' $1 ~ /^hosts:/ {
		n = split($0, a);
		newl = a[1];
		if ($0 !~ /dns/) {
			printf("#%s # Commented out by DHCP\n", $0);
			updated = 0;
			for (i = 2; i <= n; i++) {
				if (updated == 0 && index(a[i], "[") == 1) {
					newl = newl" dns";
					updated++;
				}
				newl = newl" "a[i];
			}
			if (updated == 0) {
				newl = newl" dns";
				updated++;
			}
			if (updated != 0)
				newl = newl" # Added by DHCP";
			else
				newl = $0;
			printf("%s\n", newl);
		} else
			printf("%s\n", $0);
	} $1 !~ /^hosts:/ { printf("%s\n", $0); }' /etc/nsswitch.conf > /etc/nsswitch.conf.$$
	mv /etc/nsswitch.conf.$$ /etc/nsswitch.conf
	chmod 644 /etc/nsswitch.conf
else
	# if we added DNS to a hosts line in the nsswitch, remove it.
	sed -e '/# Added by DHCP$/d' -e 's/^\(#hosts:\)\(.*[^#]\)\(#.*\)$/hosts: \2/' /etc/nsswitch.conf > /etc/nsswitch.conf.$$
	mv /etc/nsswitch.conf.$$ /etc/nsswitch.conf
	chmod 644 /etc/nsswitch.conf
fi

hostname=`/sbin/dhcpinfo Hostname`
if [ $? -eq 0 ]; then
	if [ -z "$hostname" ]; then
		hostname=`uname -n`
	fi
	ipaddr=`/sbin/dhcpinfo Yiaddr`
	thostent=`grep -s "^${ipaddr}" /etc/inet/hosts`
	if [ $? -eq 0 ]
	then
		# IP address is already in the hosts file. Ensure the
		# associated hostname is the same as what we received
		# via dhcp.
		echo $thostent | \
		(
		read tip thost etc;
		sed -e "/$ipaddr/s/$thost/$hostname/" /etc/inet/hosts > /etc/inet/hosts.temp;
		)
	else
		cp -p /etc/inet/hosts /etc/inet/hosts.temp
		echo "$ipaddr	$hostname	# Added by DHCP" >> /etc/inet/hosts.temp
	fi
	# update loopback transport hosts files
	for inet in /etc/net/*/hosts
	do
		echo "# RPC hosts" > ${inet}
		echo "${hostname}	${hostname}" >> ${inet}
		chmod 644 ${inet}
	done
	mv /etc/inet/hosts.temp /etc/inet/hosts
	chmod 644 /etc/inet/hosts
fi
fi # SUNSTARTUP

if [ "X${MULTICAST}" = "XYES" ] ; then
#
# Add a static route for multicast packets out our default interface.
# The default interface is the interface that corresponds to the node name.
#
mcastif=`/sbin/dhcpinfo Yiaddr`

if [ $? -ne 0 ]; then
	mcastif=`uname -n`
fi

echo "Setting default interface for multicast: \c"
/usr/sbin/route add -interface -netmask "240.0.0.0" "224.0.0.0" "$mcastif"
fi

if [ "X${RUNINETD}" = "XYES" ] ; then
#
# Run inetd in "standalone" mode (-s flag) so that it doesn't have
# to submit to the will of SAF.  Why did we ever let them change inetd?
#
# Add the '-t' flags as we want to log the connections (Jean Chouanard)
/usr/sbin/inetd -t -s

fi
# **************************************************
# $Log: inetsvc_5.6,v $
# Revision 1.5  2000/07/19 00:03:28  chouanar
# license
#
# Revision 1.4  2000/07/04 17:55:30  chouanar
# license
#
# Revision 1.3  2000/05/25 16:55:52  chouanar
# rc.conf -> yassp.conf
#
# Revision 1.2  2000/05/21 18:57:48  chouanar
# use rc.conf
#
# Revision 1.1  2000/03/15 21:48:24  chouanar
# Initial revision
# **************************************************