aboutsummaryrefslogtreecommitdiffstats
path: root/rc.d/init.d/network
blob: 55d5c111ee12609b00f61c9328c99bd33e2d051c (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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
#! /bin/bash
#
# network       Bring up/down networking
#
# chkconfig: 2345 10 90
# description: Activates/Deactivates all network interfaces configured to \
#              start at boot time.
# probe: true
### BEGIN INIT INFO
# Provides: $network
### END INIT INFO

# Source function library.
. /etc/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

# if the ip configuration utility isn't around we can't function.
[ -x /sbin/ip ] || exit 1

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

# If IPv6 is explicitly configured, make sure it's available.
if [ "$NETWORKING_IPV6" = "yes" ]; then
	alias=`modprobe -c | awk '/^alias net-pf-10 / { print $3 }'`
	if [ "$alias" != "ipv6" -a ! -f /proc/net/if_inet6 ]; then
		echo "alias net-pf-10 ipv6" >> /etc/modules.conf
	fi
fi

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

. network-functions

# find all the interfaces besides loopback.
# ignore aliases, alternative configurations, and editor backup files
interfaces=`ls ifcfg* | LANG=C egrep -v '(ifcfg-lo|:|rpmsave|rpmorig|rpmnew)' | \
	    LANG=C egrep -v '(~|\.bak)$' | \
            LANG=C egrep 'ifcfg-[A-Za-z0-9_-]+$' | \
            sed 's/^ifcfg-//g'`

# See how we were called.
case "$1" in
  start)
	# IPv6 hook (pre IPv4 start)
	if [ "$NETWORKING_IPV6" = "yes" ]; then
		if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
			/etc/sysconfig/network-scripts/init.ipv6-global start pre
		fi
	fi
  
  	action $"Setting network parameters: " sysctl -e -p /etc/sysctl.conf

	# bring up loopback interface
	action $"Bringing up loopback interface: " ./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

	oldhotplug=`sysctl kernel.hotplug  2>/dev/null | \
	    awk '{ print $3 }' 2>/dev/null`
	sysctl -w kernel.hotplug="/bin/true" > /dev/null 2>&1

        cipeinterfaces=""

	# bring up all other interfaces configured to come up at boot time
	for i in $interfaces; do
		eval $(LANG=C fgrep "DEVICE=" ifcfg-$i)
		if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi

		if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then
			cipeinterfaces="$cipeinterfaces $DEVICE"
			continue
		fi
		if LANG=C egrep -L "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i > /dev/null ; then
		        # this loads the module, to preserve ordering
			is_available $i
			continue
		fi
		# If we're in confirmation mode, get user confirmation
		[ -n "$CONFIRM" ]  && 
			{ 
			    confirm $i
			    case $? in
				0)
				    :
				;;
				2)
				    CONFIRM=
				;;
				*)
				    continue
				;;
			    esac 
		}

		action $"Bringing up interface $i: " ./ifup $i boot
	done
	
	# Bring up CIPE VPN interfaces
	for i in $cipeinterfaces ; do 
            if ! LANG=C egrep -L "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i >/dev/null 2>&1 ; then
		# If we're in confirmation mode, get user confirmation
		[ -n "$CONFIRM" ]  && 
		{ 
			confirm $i
			case $? in
				0)
				    :
				;;
				2)
				    CONFIRM=
				;;
				*)
				    continue
				;;
			esac 
		}
		action $"Bringing up interface $i: " ./ifup $i boot
	    fi
        done

	sysctl -w kernel.hotplug=$oldhotplug > /dev/null 2>&1
	
	# Add non interface-specific static-routes.
	if [ -f /etc/sysconfig/static-routes ]; then
	   grep "^any" /etc/sysconfig/static-routes | while read ignore args ; do
              /sbin/route add -$args
	   done
	fi    

 	# IPv6 hook (post IPv4 start)
 	if [ "$NETWORKING_IPV6" = "yes" ]; then
 		if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
 			/etc/sysconfig/network-scripts/init.ipv6-global start post
 		fi
 	fi
	# Run this again to catch any interface-specific actions
	sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1
 
        touch /var/lock/subsys/network
        ;;
  stop)
  	# If this is a final shutdown/halt, check for network FS,
	# and unmount them even if the user didn't turn on netfs
	
	if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then
		NFSMTAB=`LC_ALL=C awk '!/^#/ && $3 == "nfs" { print $2 }' /proc/mounts`
		SMBMTAB=`LC_ALL=C awk '!/^#/ && $3 == "smbfs" { print $2 }' /proc/mounts`
		NCPMTAB=`LC_ALL=C awk '!/^#/ && $3 == "ncpfs" { print $2 }' /proc/mounts`
		if [ -n "$NFSMTAB" -o -n "$SMBMTAB" -o -n "$NCPMTAB" ] ; then
			/etc/init.d/netfs stop
		fi
	fi
	
 	# IPv6 hook (pre IPv4 stop)
 	if [ "$NETWORKING_IPV6" = "yes" ]; then
 		if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
 			/etc/sysconfig/network-scripts/init.ipv6-global stop pre
 		fi
 	fi
 
	# shut down all interfaces (other than loopback)
	for i in $interfaces ; do
		eval $(fgrep "DEVICE=" ifcfg-$i)
		if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi

		if ! check_device_down $i; then
		   action $"Shutting down interface $i: " ./ifdown $i boot
		fi
	done
	case "$IPX" in
	  yes|true)
	    if [ "$IPXINTERNALNETNUM" != "0" ]; then
	       /sbin/ipx_internal_net del
	    fi
	    ;;
	esac

	action $"Shutting down loopback interface: " ./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

	# IPv6 hook (post IPv4 stop)
	if [ "$NETWORKING_IPV6" = "yes" ]; then
		if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
			/etc/sysconfig/network-scripts/init.ipv6-global stop post
		fi
	fi
	
        rm -f /var/lock/subsys/network
        ;;
  status)
	echo $"Configured devices:"
	echo lo $interfaces

	echo $"Currently active devices:"
	echo `/sbin/ip -o link show | awk -F ": " '{ print $2 }'`
	;;
  restart|reload)
        cd $CWD
	$0 stop
	$0 start
	;;
  *)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
        exit 1
esac

exit 0