aboutsummaryrefslogtreecommitdiffstats
path: root/rc.d/init.d/network
blob: 789d02c18193d1e01932390d9d6ff5d947a15171 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
#!/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

# Source function library.
. /etc/rc.d/init.d/functions

if [ ! -f /etc/sysconfig/network ]; then
    exit 0
fi

. /etc/sysconfig/network

if [ -f /etc/sysconfig/pcmcia ]; then
	. /etc/sysconfig/pcmcia
fi


# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

[ -x /sbin/ifconfig ] || exit 0

# Even if IPX is configured, without the utilities we can't do much
[ ! -x /sbin/ipx_internal_net -o ! -x /sbin/ipx_configure ] && IPX=

CWD=`pwd`
cd /etc/sysconfig/network-scripts

# find all the interfaces besides loopback.
# ignore aliases, alternative configurations, and editor backup files
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)

	action "Bringing up interface lo" ./ifup ifcfg-lo

	case "$IPX" in
	  yes|true)
	    /sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY \
				   --auto_interface=$IPXAUTOFRAME
	    if [ "$IPXINTERNALNETNUM" != "0" ]; then
	       /sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM
	    fi
	    ;;
	esac

	for i in $interfaces; do
		if egrep -L "ONBOOT=\"?[Nn][Oo]\"?" ifcfg-$i >/dev/null ; then
			# Probe module to preserve interface ordering
			/sbin/ifconfig $i >/dev/null 2>&1
		else
			action "Bringing up interface $i" ./ifup $i boot
		fi
	done
	
	# Add non interface-specific static-routes.
	if [ -f /etc/sysconfig/static-routes ]; then
	   grep "^any" /etc/sysconfig/static-routes | while read ignore type dest netmask mask gw gateway; do
	      [ "${gateway}" != "${gateway##[0-9}" ] && \
	      	/sbin/route add -$type $dest $netmask $mask $gw $gateway
	   done
	fi    

        touch /var/lock/subsys/network
        ;;
  stop)
	for i in $interfaces ; do
		action "Shutting down interface $i" ./ifdown $i boot
	done
	case "$IPX" in
	  yes|true)
	    if [ "$IPXINTERNALNETNUM" != "0" ]; then
	       /sbin/ipx_internal_net del
	    fi
	    ;;
	esac
	./ifdown ifcfg-lo
	if [ -d /proc/sys/net/ipv4 ]; then
	  if [ -f /proc/sys/net/ipv4/ip_forward ]; then
		if [ `cat /proc/sys/net/ipv4/ip_forward` != 0 ]; then
			action "Disabling IPv4 packet forwarding" sysctl -w net.ipv4.ip_forward=0
		fi
	  fi
	  if [ -f /proc/sys/net/ipv4/ip_always_defrag ]; then
	        if [ `cat /proc/sys/net/ipv4/ip_always_defrag` != 0 ]; then
		        action "Disabling IPv4 automatic defragmentation" sysctl -w net.ipv4.ip_always_defrag=0
		fi
	  fi
	fi
	
        rm -f /var/lock/subsys/network
        ;;
  status)
	echo "Configured devices:"
	echo lo $interfaces

	if [ -x /bin/linuxconf ] ; then
		eval `/bin/linuxconf --hint netdev`
		echo "Devices that are down:"
		echo $DEV_UP
		echo "Devices with modified configuration:"
		echo $DEV_RECONF
	else
		echo "Currently active devices:"
		echo `/sbin/ifconfig | grep ^[a-z] | awk '{print $1}'`
	fi
	;;
  restart)
        cd $CWD
	$0 stop
	$0 start
	;;
  reload)
	if [ -x /bin/linuxconf ] ; then
		eval `/bin/linuxconf --hint netdev`
		for device in $DEV_UP ; do
			action "Bringing up device $device" ./ifup $device
		done
		for device in $DEV_DOWN ; do
			action "Shutting down device $device" ./ifdown $device
		done
		for device in $DEV_RECONF ; do
			action "Shutting down device $device" ./ifdown $device
			action "Bringing up device $device" ./ifup $device
		done
		for device in $DEV_RECONF_ALIASES ; do
			action "Briging up alias $device" /etc/sysconfig/network-scripts/ifup-aliases $device
		done
		for device in $DEV_RECONF_ROUTES ; do
			action "Bringing up route $device" /etc/sysconfig/network-scripts/ifup-routes $device
		done
		case $IPX in yes|true)
		  case $IPXINTERNALNET in
		    reconf)
			action "Deleting internal IPX network" /sbin/ipx_internal_net del
			action "Adding internal IPX network $IPXINTERNALNETNUM $IPXINTERNALNODENUM" /sbin/ipx_internal_net add $IPXINTERNALNETNUM \
						      $IPXINTERNALNODENUM
			;;
		    add)
			action "Adding internal IPX network $IPXINTERNALNETNUM $IPXINTERNALNODENUM"/sbin/ipx_internal_net add $IPXINTERNALNETNUM \
						      $IPXINTERNALNODENUM
			;;
		    del)
			action "Deleting internal IPX network" /sbin/ipx_internal_net del
			;;
		  esac
		  ;;
		esac
	else
	        cd $CWD
		$0 restart
	fi
	;;
  probe)
	if [ -x /bin/linuxconf ] ; then
		eval `/bin/linuxconf --hint netdev`
		[ -n "$DEV_UP$DEV_DOWN$DEV_RECONF$DEV_RECONF_ALIASES" -o \
		  -n "$DEV_RECONF_ROUTES$IPXINTERNALNET" ]
			echo reload
		exit 0
	else
		# if linuxconf isn't around to figure stuff out for us,
		# we punt.  Probably better than completely reloading
		# networking if user isn't sure which to do.  If user
		# is sure, they would run restart or reload, not probe.
		exit 0
	fi
	;;
  *)
        echo "Usage: network {start|stop|restart|reload|status|probe}"
        exit 1
esac

exit 0