#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# This is the second phase of TCP/IP configuration.  The first part is
# run by the svc:/network/physical service and includes configuring the
# interfaces and setting the machine's hostname.  The svc:/network/initial
# service does all configuration that can be done before name services are
# started, bar configuring IP routing (this is carried out by the
# svc:/network/routing-setup service).  The final part, run by the
# svc:/network/service service,  does all configuration that may require
# name services.  This includes a final re-configuration of the
# interfaces.
#

. /lib/svc/share/smf_include.sh

#
# In a shared-IP zone we need this service to be up, but all of the work
# it tries to do is irrelevant (and will actually lead to the service 
# failing if we try to do it), so just bail out. 
# In the global zone and exclusive-IP zones we proceed.
#
smf_configure_ip || exit $SMF_EXIT_OK

# Configure IPv6 Default Address Selection.
if [ -f /etc/inet/ipaddrsel.conf ]; then
	/usr/sbin/ipaddrsel -f /etc/inet/ipaddrsel.conf
fi

#
# If explicit IPMP groups are being used, in.mpathd will already be started.
# However, if TRACK_INTERFACES_ONLY_WITH_GROUPS=no and no explicit IPMP
# groups have been configured, then it still needs to be started.  So, fire
# it up in "adopt" mode; if there are no interfaces it needs to manage, it
# will automatically exit.
#
/usr/bin/pgrep -x -u 0 -z `smf_zonename` in.mpathd >/dev/null 2>&1 || \
    /usr/lib/inet/in.mpathd -a

#
# Set the RFC 1948 entropy, regardless of if I'm using it or not.  If present,
# use the encrypted root password as a source of entropy.  Otherwise,
# just use the pre-set (and hopefully difficult to guess) entropy that
# tcp used when it loaded.
#
encr=`/usr/bin/awk -F: '/^root:/ {print $2}' /etc/shadow`
[ -z "$encr" ] || /usr/sbin/ndd -set /dev/tcp tcp_1948_phrase $encr
unset encr

#
# Get values for TCP_STRONG_ISS, ACCEPT6TO4RELAY and RELAY6TO4ADDR.
#
[ -f /etc/default/inetinit ] && . /etc/default/inetinit

# Set the SDP system Policy.  This needs to happen after basic
# networking is up but before any networking services that might
# want to use SDP are enabled
if [ -f /usr/sbin/sdpadm -a -f /etc/sdp.conf ]; then
	. /etc/sdp.conf
	if [ "$sysenable" = "1" ]; then
		/usr/sbin/sdpadm enable
	fi
fi

#
# Set TCP ISS generation.  By default the ISS generation is
# time + random()-delta.  This might not be strong enough for some users.
# See /etc/default/inetinit for settings and further info on TCP_STRONG_ISS.
# If not set, use TCP's internal default setting.
#
if [ $TCP_STRONG_ISS ]; then
	/usr/sbin/ndd -set /dev/tcp tcp_strong_iss $TCP_STRONG_ISS
fi

#
# Configure tunnels which were deferred by /lib/svc/method/net-physical
# (the svc:/network/physical service) since it depends on the tunnel endpoints
# being reachable i.e. routing must be running.
#
# WARNING: you may wish to turn OFF forwarding if you haven't already, because
# of various possible security vulnerabilities when configuring tunnels for
# Virtual Private Network (VPN) construction.
#
# Also, if names are used in the /etc/hostname.ip.tun* file, those names
# have to be in either DNS (and DNS is used) or in /etc/hosts, because this
# file is executed before NIS or NIS+ is started.
#

#
# IPv4 tunnels
# The second component of the name must be either "ip" or "ip6".
#
interface_names="`/usr/bin/ls /etc/hostname.ip*.*[0-9] 2>/dev/null | \
    /usr/bin/grep '/etc/hostname\.ip6\{0,1\}\.'`"
if [ -n "$interface_names" ]; then
	(
		echo "configuring IPv4 tunnels:\c"
		# Extract the part after the first '.'
		set -- `for intr in $interface_names; do \
		    /usr/bin/expr //$intr : '[^.]*\.\(.*\)$'; done`
		while [ $# -ge 1 ]; do
			# Skip empty files
			if [ ! -s /etc/hostname\.$1 ]; then
				shift
				continue
			fi
			/usr/sbin/ifconfig $1 plumb
			while read ifcmds; do
				if [ -n "$ifcmds" ]; then
					/usr/sbin/ifconfig $1 inet $ifcmds
				fi
			done </etc/hostname\.$1 >/dev/null
			echo " $1\c"
			shift
		done
		echo "."
	)
fi

#
# IPv6 Tunnels
# The second component of the name must be either "ip" or "ip6".
#
interface_names="`/usr/bin/ls /etc/hostname6.ip*.*[0-9] 2>/dev/null | \
    /usr/bin/grep '/etc/hostname6\.ip6\{0,1\}\.'`"
if [ -n "$interface_names" ]; then
	(
		echo "configuring IPv6 tunnels:\c"
		# Extract the part after the first '.'
		set -- `for intr in $interface_names; do \
		    /usr/bin/expr //$intr : '[^.]*\.\(.*\)$'; done`
		while [ $# -ge 1 ]; do
			# Skip empty files
			if [ ! -s /etc/hostname6\.$1 ]; then
				shift
				continue
			fi
			/usr/sbin/ifconfig $1 inet6 plumb
			while read ifcmds; do
				if [ -n "$ifcmds" ]; then
					/usr/sbin/ifconfig $1 inet6 $ifcmds
				fi
			done </etc/hostname6\.$1 > /dev/null
			echo " $1\c"
			shift
		done
		echo "."
	)
fi

# Clear exit status.
exit $SMF_EXIT_OK