#!/bin/sh
#
# network	Bring up/down networking
#
# chkconfig:	2345 10 90
# description:	Activates/Deactivates all network interfaces configured to \
#		start at boot time.
#
# probe:	true

# $Id: network 7389 2006-05-07 11:09:10Z glen $

PATH=/sbin:/usr/sbin:/bin:/usr/bin

# NLS
NLS_DOMAIN="rc-scripts"

# Source function library.
. /etc/rc.d/init.d/functions
. /etc/sysconfig/network-scripts/functions.network

if [ ! -f /etc/sysconfig/network ]; then
	nls "%s is missing. Can't continue." "/etc/sysconfig/network"
	exit 1
fi

. /etc/sysconfig/network

# Check that networking is up.
is_no "${NETWORKING}" && exit 0

# Will be removed in the future
if is_yes "$NETWORKING" ; then
	if [ -z "$IPV4_NETWORKING" ] ; then
		echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
		echo "Please upgrade your config"
		echo "Assuming you want IPv4 networking"
		IPV4_NETWORKING=yes
	fi
fi

######
# initialize networking:
# - check IPv4, IPv6, IPX can be handled by system
# - setup default IPv{4,6} interfaces policy like:
#   - spoofig protection,
#   - icmp echo ignore broadcasts,
# - setup lo interface
network_init()
{
	if [ ! -x /sbin/ip ]; then
		nls "%s is missing. Can't continue." "/sbin/ip"
		exit 1
	fi

	# Modprobe needed devices
	modprobe_net

	# Setup interfaces names
	if [ -x /sbin/nameif -a -f /etc/mactab ] && [ $(egrep -vs '^(#| *$)' /etc/mactab | wc -l) -gt 0 ]; then
		run_cmd "Setting interfaces names (nameif)" /sbin/nameif
	fi

	# Kernel network parameters
	sysctl -e -p /etc/sysctl.conf > /dev/null 2>&1

	# Set UP loopback interface
	set_up_loopback

	# Setup configuration
	setup_nat on
	setup_routes on
	setup_ip_rules on
	# Setup IPX
	if is_yes "$IPX"; then
		if [ -n $IPXAUTOPRIMARY ] ; then
			if is_yes "$IPXAUTOPRIMARY"; then
				IPXAUTOPRIMARY="on"
			else
				IPXAUTOPRIMARY="off"
			fi
			/sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY
		fi
		if [ -n $IPXAUTOFRAME ] ; then
			if is_yes "$IPXAUTOFRAME"; then
				IPXAUTOFRAME="on"
			else
				IPXAUTOFRAME="off"
			fi
			/sbin/ipx_configure --auto_interface=$IPXAUTOFRAME
		fi
		if [ -n "$IPXINTERNALNETNUM" -a "$IPXINTERNALNETNUM" != "0" ]; then
			/sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM
		fi
	fi
}

network_postinit()
{
	# Set static RARP table
	static_rarp

	# Set static ARP table
	static_arp
}

######
# deinitialize networking
# - down lo interface.
network_deinit()
{
	setup_routes off
	setup_ip_rules off

	# Set down NAT rules
	setup_nat off
	# Set DOWN loopback interface
	set_down_loopback
}

# Get list of interface configs
# ignores editor backup files and rpm blackups
network_interface_configs()
{
	local match="$1"
	for a in /etc/sysconfig/interfaces/$match; do
		case "$a" in
		*rpmorig|*rpmnew|*rpmsave|*~|*.orig)
			continue
			;;
		*)
			echo $a
		;;
		esac
	done
}

ifcfg_files="$(network_interface_configs 'ifcfg-*')"
bootprio=$(grep '^BOOTPRIO=' $ifcfg_files)

if [ -n "$bootprio" ]; then
	# find all the interfaces besides loopback.
	interfaces_boot=`
		for a in $(echo "$bootprio" | sort -t= -n -k2,2); do
			i="${a%:BOOTPRIO*}"
			case $i in
				*ifcfg-lo) continue ;;
			esac
			ONBOOT=""; . "$i" 2>/dev/null
			is_yes "$ONBOOT" && echo "${i##*/}"
		done
	`
else
	interfaces_boot=`
		for i in $ifcfg_files; do
			case ${i##*/} in
				ifcfg-lo|ifcfg-sit*|ifcfg-atm*|ifcfg-lec*|ifcfg-nas*|ifcfg-br*|ifcfg-*.*) continue ;;
			esac
			ONBOOT=""; . "$i" 2>/dev/null
			is_yes "$ONBOOT" && echo "${i##*/}"
		done
	`

	interfaces_vlan_boot=`
		for i in $ifcfg_files; do
			case ${i##*/} in
				ifcfg-*.*) ;;
				*) continue ;;
			esac
			ONBOOT=""; . "$i" 2>/dev/null
			is_yes "$ONBOOT" && echo "${i##*/}"
		done
	`

	interfaces_br_boot=`
		for i in $ifcfg_files; do
			case ${i##*/} in
				ifcfg-br*) ;;
				*) continue ;;
			esac
			ONBOOT=""; . "$i" 2>/dev/null
			is_yes "$ONBOOT" && echo "${i##*/}"
		done
	`

	interfaces_sit_boot=`
		for i in $ifcfg_files; do
			case ${i##*/} in
				ifcfg-sit*) ;;
				*) continue ;;
			esac
			ONBOOT=""; . "$i" 2>/dev/null
			is_yes "$ONBOOT" && echo "${i##*/}"
		done
	`
fi

tunnels=`
	for i in $(network_interface_configs 'tnlcfg-*'); do
		ONBOOT=""; . "$i" 2>/dev/null
		is_yes "$ONBOOT" && echo "${i##*/}"
	done
`

# See how we were called.
case "$1" in
  start)
	if is_yes "$VSERVER"; then
		touch /var/lock/subsys/network
		exit 0
	fi

	rc_splash "bootnetwork start"
	network_init

	for i in $interfaces_boot $interfaces_vlan_boot $interfaces_sit_boot ; do
		run_cmd -a "$(nls 'Bringing up interface %s' "$i")" /sbin/ifup $i boot
	done

	for i in $interfaces_br_boot ; do
		run_cmd -a "$(nls 'Bringing up bridge interface %s' "$i")" /sbin/ifup $i boot
	done

	for i in $tunnels; do
		run_cmd -a "$(nls 'Setting tunnel %s' "$i")" /sbin/tnlup $i boot
		run_cmd -a "$(nls 'Bringing up tunnel interface %s' "$i")" /sbin/ifup tnlcfg-$i boot
	done

	network_postinit

	touch /var/lock/subsys/network
	;;
  stop)
	if is_yes "$VSERVER"; then
		rm -f /var/lock/subsys/network
		exit 0
	fi

	# If we go to runlevel 0, 1 or 6 then umount all network fs
	if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then
		if [ -x /etc/rc.d/init.d/netfs -a -f /var/lock/subsys/netfs ];
		then
			/etc/rc.d/init.d/netfs stop
		else
			netmtab=$(awk '{ if ($3 ~ /^(nfs|smbfs|ncpfs|cifs)$/ ) print $3}' /proc/mounts)
			if (echo "$netmtab" | grep -q nfs); then
				run_cmd "Unmounting NFS filesystems" umount -fat nfs
			fi
			if (echo "$netmtab" | grep -q smbfs); then
				run_cmd "Unmounting SMB filesystems" umount -at smbfs
			fi
			if (echo "$netmtab" | grep -q ncpfs); then
				run_cmd "Unmounting NCP filesystems" umount -at ncpfs
			fi
			if (echo "$netmtab" | grep -q cifs); then
				run_cmd "Unmounting CIFS filesystems" umount -at cifs
			fi
		fi
	fi

	for i in $tunnels; do
		run_cmd -a "$(nls 'Shutting down tunnel interface %s' "$i")" /sbin/ifdown tnlcfg-$i boot
		run_cmd -a "$(nls 'Removing tunnel %s' "$i")" /sbin/tnldown $i boot
	done

	for i in $interfaces_br_boot ; do
		run_cmd -a "$(nls 'Shutting down bridge interface %s' "$i")" /sbin/ifdown $i boot
	done

	for i in $interfaces_sit_boot $interfaces_vlan_boot $interfaces_boot ; do
		run_cmd -a "$(nls 'Shutting down interface %s' "$i")" /sbin/ifdown $i boot
	done

	network_deinit

	rm -f /var/lock/subsys/network
	;;
  status)
	nls "Configured devices:"
	echo "lo $interfaces"
	nls "Configured tunnels:"
	echo "$tunnels"
	echo
	nls "Currently inactive devices and tunnels:"
	/sbin/ip link show | awk -F":" '(/^[0-90-90-9]:/) && ! (/UP/) { print $2 }' | xargs
	nls "Currently active devices and tunnels:"
	/sbin/ip link show | awk -F":" ' (/UP/) { print $2 }' | xargs
	;;
  restart)
	$0 stop
	$0 start
	;;
  *)
	echo "Usage: $0 {start|stop|restart|status}"
	exit 1
esac

exit 0

# This must be last line !
# vi:syntax=sh
