aboutsummaryrefslogtreecommitdiffstats
path: root/sysconfig/network-scripts/ifdown
blob: 16954b4df0a598bf14c8a15ed2502e7c87f3e771 (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
#!/bin/bash

. /etc/init.d/functions

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

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

CONFIG=$1

[ -z "$CONFIG" ] && {
    echo $"usage: ifdown <device name>" >&2
    exit 1
}

need_config $CONFIG

[ -f "$CONFIG" ] || {
    echo $"usage: ifdown <device name>" >&2
    exit 1
}

if [ $UID != 0 ]; then
    if [ -x /usr/sbin/usernetctl ]; then
	source_config
	if /usr/sbin/usernetctl ${CONFIG} report ; then
	    exec /usr/sbin/usernetctl ${CONFIG} down
	fi
    fi
    echo $"Users cannot control this device." >&2
    exit 1
fi

source_config

if [ -x /sbin/ifdown-pre-local ]; then
    /sbin/ifdown-pre-local ${DEVICE}
fi

OTHERSCRIPT="/etc/sysconfig/network-scripts/ifdown-${DEVICETYPE}"

if [ -x $OTHERSCRIPT ]; then
	exec $OTHERSCRIPT $CONFIG $2
fi

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`
      exit 0
fi 

. /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 [ -n "${HWADDR}" -a -z "${MACADDR}" ]; then
    FOUNDMACADDR=`get_hwaddr ${REALDEVICE}`
    if [ "${FOUNDMACADDR}" != "${HWADDR}" ]; then
        NEWCONFIG=`fgrep -il "HWADDR=${HWADDR}" /etc/sysconfig/network-scripts/ifcfg-*`
	if [ -n "${NEWCONFIG}" -a "${NEWCONFIG}" != "${CONFIG}" ]; then
	   exec /sbin/ifdown ${NEWCONFIG}
	else
	   echo $"Device ${DEVICE} has different MAC address than expected, ignoring."
	   exit 1
	fi
    fi
fi

if [ "${NETWORKING_IPV6}" = "yes" ]; then
    /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;	
fi;

retcode=0
if [ "$BOOTPROTO" = bootp -o "$BOOTPROTO" = dhcp ]; then
	[ -n "`pidof -x dhclient`" ] && {
		if [ -f "/var/run/dhclient-${DEVICE}.pid" ]; then
		   kill `cat /var/run/dhclient-${DEVICE}.pid` >/dev/null 2>&1
		   retcode=$?
		fi
	}	
	[ -n "`pidof -x dhcpcd`" ] && {
		if [ -f "/etc/dhcpc/dhcpcd-${DEVICE}.pid" ]; then
		   kill `cat /etc/dhcpc/dhcpcd-${DEVICE}.pid` >/dev/null 2>&1
		   retcode=$?
		elif [ -f "/var/run/dhcpcd-${DEVICE}.pid" ]; then
		   kill `cat /var/run/dhcpcd-${DEVICE}.pid` >/dev/null 2>&1
		   retcode=$?
		fi
	}	
	[ -n "`pidof -x pump`" ] && {
	 	pump -r -i ${DEVICE}
		retcode=$?
	}
else
	# 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 [ "${REALDEVICE}" = "${DEVICE}" ]; then
		ip addr flush dev ${REALDEVICE} 2>/dev/null
	else
		ip addr flush dev ${REALDEVICE} label ${DEVICE} 2>/dev/null
	fi
fi

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

# 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 [ "$TYPE" = "Bridge" -a -x /usr/sbin/brctl ]; then
    /usr/sbin/brctl delbr ${DEVICE}
fi

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

exit $retcode