aboutsummaryrefslogtreecommitdiffstats
path: root/sysconfig/network-scripts/ifdown-eth
blob: 62dd354b71fcfe5c7f1fe97c4255dcc6e9f77bdd (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
#!/bin/bash
# Network Interface Configuration System
# Copyright (c) 1996-2005 Red Hat, Inc. all rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts
. ./network-functions

[ -f ../network ] && . ../network

CONFIG=${1}

source_config

. /etc/sysconfig/network

# Check to make sure the device is actually up
check_device_down ${DEVICE} && [ "$BOOTPROTO" != "dhcp" -a "$BOOTPROTO" != "bootp" ] && [ -n "$VLAN" -a "$VLAN" != "yes" ] && exit 0

if [ "${SLAVE}" != "yes" -o -z "${MASTER}" ]; then
if [ -n "${HWADDR}" -a -z "${MACADDR}" ]; then
    FOUNDMACADDR=`get_hwaddr ${REALDEVICE}`
    if [ -n "${FOUNDMACADDR}" -a "${FOUNDMACADDR}" != "${HWADDR}" ]; then
        NEWCONFIG=`get_config_by_hwaddr ${FOUNDMACADDR}`
	if [ -n "${NEWCONFIG}" ]; then
	   eval $(LANG=C fgrep "DEVICE=" $NEWCONFIG)
	else
	   echo $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."
	   exit 1
	fi
	if [ -n "${NEWCONFIG}" -a "${NEWCONFIG##*/}" != "${CONFIG##*/}" -a "${DEVICE}" = "${REALDEVICE}" ]; then
	   exec /sbin/ifdown ${NEWCONFIG}
	else
	   echo $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."
	   exit 1
	fi
    fi
fi
fi

if is_bonding_device ${DEVICE} ; then
    for device in `LANG=C grep -l "^[[:space:]]*MASTER=${DEVICE}" /etc/sysconfig/network-scripts/ifcfg-*` ; do
	is_ignored_file "$device" && continue
	/sbin/ifdown ${device##*/}
    done
    for target in $(cat /sys/class/net/${DEVICE}/bonding/arp_ip_target) ; do
	echo "-${target}" > /sys/class/net/${DEVICE}/bonding/arp_ip_target
    done
fi

/etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}
if [[ "${DHCPV6C}" = [Yy1]* ]] && [ -f /var/run/dhcp6c_${DEVICE}.pid ]; then
	kill `cat /var/run/dhcp6c_${DEVICE}.pid`;
	rm -f /var/run/dhcp6c_${DEVICE}.pid;
fi

retcode=0
[ -n "`pidof -x dhclient`" ] && {
	if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
		dhcpid=`cat /var/run/dhclient-${DEVICE}.pid`
		if [[ "$DHCPRELEASE" = [yY1]* ]];  then
			/sbin/dhclient -r -lf /var/lib/dhclient/dhclient-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1
			retcode=$?
		else
			kill $dhcpid >/dev/null 2>&1
			retcode=$?
		   	reason=STOP interface=${DEVICE} /sbin/dhclient-script
		fi
		if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
			rm -f /var/run/dhclient-${DEVICE}.pid
			kill $dhcpid >/dev/null 2>&1
		fi	
	fi
}	
# we can't just delete the configured address because that address
# may have been changed in the config file since the device was
# brought up.  Flush all addresses associated with this
# instance instead.
if [ -d "/sys/class/net/${REALDEVICE}" ]; then
	if [ "${REALDEVICE}" = "${DEVICE}" ]; then
		ip addr flush dev ${REALDEVICE} 2>/dev/null
	else
		ip addr flush dev ${REALDEVICE} label ${DEVICE} 2>/dev/null
	fi
	
	if [ "${SLAVE}" = "yes" -a -n "${MASTER}" ]; then
		echo "-${DEVICE}" > /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null
	fi

	if [ "${REALDEVICE}" = "${DEVICE}" ]; then
  		ip link set dev ${DEVICE} down 2>/dev/null
	fi
fi
[ "$retcode" = "0" ] && retcode=$?

if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then
      /sbin/ip link set dev ${DEVICE} down
      /usr/sbin/brctl delif ${BRIDGE} ${DEVICE}
      # Upon removing a device from a bridge,
      # it's necessary to make radvd reload its config
      [ -r /var/run/radvd/radvd.pid ] && kill -HUP `cat /var/run/radvd/radvd.pid`
      if [ -d /sys/class/net/${BRIDGE}/brif ] && [ `ls -1 /sys/class/net/${BRIDGE}/brif | wc -l` -eq 0 ]; then
	  /usr/sbin/brctl delbr ${BRIDGE}
      fi
fi

if [ "${TYPE}" = "Tap" ]; then
	tunctl -d "${DEVICE}" >/dev/null
fi

# wait up to 5 seconds for device to actually come down...
waited=0
while ! check_device_down ${DEVICE} && [ "$waited" -lt 50 ] ; do
    usleep 10000
    waited=$(($waited+1))
done

# don't leave an outdated key sitting around
if [ -n "${WIRELESS_ENC_KEY}" -a -x /sbin/iwconfig ]; then
    /sbin/iwconfig ${DEVICE} enc 0 >/dev/null 2>&1
fi

if [ "$retcode" = 0 ] ; then
    /etc/sysconfig/network-scripts/ifdown-post $CONFIG
    # do NOT use $? because ifdown should return whether or not
    # the interface went down.
fi

if [ -n "$VLAN" -a -x /sbin/vconfig ]; then
    # 802.1q VLAN
    if echo ${DEVICE} | LANG=C egrep -v '(:)' | LANG=C egrep -q '(eth|bond)[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' \
	|| echo ${DEVICE} | LANG=C egrep -q 'vlan[0-9][0-9]?[0-9]?[0-9]?' ; then
	[ -f /proc/net/vlan/${DEVICE} ] && {
	    /sbin/vconfig rem ${DEVICE}
	}
    fi
fi

exit $retcode