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/bash
# Network Interface Configuration System
# Copyright (c) 1996-2009 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 /etc/sysconfig/network ] && . /etc/sysconfig/network
CONFIG=${1}
boot=$2
daemon=
[ "foo${boot}" = "fooboot" -o "foo${boot}" = "foodaemon" ] && daemon=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 grep -F "DEVICE=" $NEWCONFIG)
else
net_log $"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
net_log $"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 $(LANG=C egrep -l "^[[:space:]]*MASTER=\"?${DEVICE}\"?" /etc/sysconfig/network-scripts/ifcfg-*) ; do
is_ignored_file "$device" && continue
/sbin/ifdown ${device##*/}
done
for arg in $BONDING_OPTS ; do
key=${arg%%=*};
[[ "${key}" != "arp_ip_target" ]] && continue
value=${arg##*=};
if [ "${value:0:1}" != "" ]; then
OLDIFS=$IFS;
IFS=',';
for arp_ip in $value; do
if grep -q $arp_ip /sys/class/net/${DEVICE}/bonding/arp_ip_target; then
echo "-$arp_ip" > /sys/class/net/${DEVICE}/bonding/arp_ip_target
fi
done
IFS=$OLDIFS;
else
value=${value#+};
if grep -q $value /sys/class/net/${DEVICE}/bonding/arp_ip_target; then
echo "-$value" > /sys/class/net/${DEVICE}/bonding/arp_ip_target
fi
fi
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_${DEVICE}.pid;
fi
# Kill running dhcp client if present
dhcp_client_pids() {
CLIENTS='dhcpcd|pump|dhcpxd|dhclient|zcip'
[ -n "${daemon}" -o "$MII_NOT_SUPPORTED" = "yes" ] && CLIENTS="${CLIENTS}|wpa_supplicant"
ps xw | egrep "${CLIENTS}" | grep ${DEVICE} | awk '{print $1;}'
}
if [ -n "${daemon}" -a "$MII_NOT_SUPPORTED" != "yes" ]; then
# use ifplugd -k -W to wait for it to be killed
/sbin/ifplugd -k -W -i ${DEVICE}
fi
retcode=0
pids=`dhcp_client_pids`
if [ -n "$pids" ]; then
kill $pids
retcode=$?
waited=0
while ! dhcp_client_pids > /dev/null && [ "$waited" -lt 50 ] ; do
usleep 10000
waited=$(($waited+1))
done
fi
# we can't just delete the configured address because that address
# may have been changed in the config file since the device was
# brought up. Flush all addresses associated with this
# instance instead.
if [ -d "/sys/class/net/${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
# Remove ip addresses from kernel
for ip in `ip addr show | egrep ${DEVICE}\$ | grep inet | awk '{print $2;}'`; do
ip addr del $ip dev ${DEVICE}
done
if [ "${REALDEVICE}" = "${DEVICE}" ]; then
ip link set dev ${DEVICE} down 2>/dev/null
fi
fi
[ "$retcode" = "0" ] && retcode=$?
if [ -n "${BRIDGE}" ] && [ -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 [ -z "$IN_HOTPLUG" -a -n "${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" ]; then
# 802.1q VLAN
if echo ${DEVICE} | LANG=C grep -Ev '(:)' | LANG=C grep -Eq '(eth|bond)[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' \
|| echo ${DEVICE} | LANG=C grep -Eq 'vlan[0-9][0-9]?[0-9]?[0-9]?' ; then
[ -f /proc/net/vlan/${DEVICE} ] && {
ip link delete ${DEVICE} type vlan
}
fi
fi
exit $retcode
|
