aboutsummaryrefslogtreecommitdiffstats
path: root/etc/rc.d/init.d/network
blob: 36c1a92204d4340cf0e66155993da820a00ea226 (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
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
#! /bin/bash
#
# network       Bring up/down networking
#
# chkconfig: - 10 90
# description: Activates/Deactivates all network interfaces configured to \
#              start at boot time.
#
### BEGIN INIT INFO
# Provides: $network
# Should-Start: iptables ip6tables NetworkManager-wait-online NetworkManager $network-pre
# Short-Description: Bring up/down networking
# Description: Bring up/down networking
### END INIT INFO

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

if [ ! -f /etc/sysconfig/network ]; then
    exit 6
fi

. /etc/sysconfig/network

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


# Check that networking is up.
[ "${NETWORKING}" = "no" ] && exit 6

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


CWD=$(pwd)
cd /etc/sysconfig/network-scripts

. ./network-functions

# find all the interfaces besides loopback.
# ignore aliases, alternative configurations, and editor backup files
interfaces=$(ls ifcfg-* | \
        LC_ALL=C sed -e "$__sed_discard_ignored_files" \
               -e '/\(ifcfg-lo$\|:\|ifcfg-.*-range\)/d' \
               -e '{ s/^ifcfg-//g;s/[0-9]/ &/}' | \
        LC_ALL=C sort -k 1,1 -k 2n | \
        LC_ALL=C sed 's/ //')
rc=0

net_log $"You are using 'network' service provided by 'network-scripts', which are now deprecated." warning network
net_log $"'network-scripts' will be removed from distribution in near future." warning network
net_log $"It is advised to switch to 'NetworkManager' instead for network management." warning network

# This disables additional warnings during the boot process:
export DEPRECATION_WARNING_ISSUED='true'

# See how we were called.
case "$1" in
start)
    [ "$EUID" != "0" ] && exit 4
    rc=0
    # IPv6 hook (pre IPv4 start)
    if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
        /etc/sysconfig/network-scripts/init.ipv6-global start pre
    fi

    apply_sysctl

    #tell NM to reload its configuration
    if [ "$(LANG=C nmcli -t --fields running general status 2>/dev/null)" = "running" ]; then
        nmcli connection reload
    fi

    # bring up loopback interface
    action $"Bringing up loopback interface: " ./ifup ifcfg-lo

    case "$VLAN" in
    yes)
        if [ ! -d /proc/net/vlan ] && ! modprobe 8021q >/dev/null 2>&1 ; then
            net_log $"No 802.1Q VLAN support available in kernel."
        fi
        ;;
    esac

    vlaninterfaces=""
    vpninterfaces=""
    xdslinterfaces=""
    bridgeinterfaces=""

    # bring up all other interfaces configured to come up at boot time
    for i in $interfaces; do
        unset DEVICE TYPE SLAVE NM_CONTROLLED
        eval $(LANG=C grep -F "DEVICE=" ifcfg-$i)
        eval $(LANG=C grep -F "TYPE=" ifcfg-$i)
        eval $(LANG=C grep -F "SLAVE=" ifcfg-$i)
        eval $(LANG=C grep -F "NM_CONTROLLED=" ifcfg-$i)

        if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi

        if [ "$SLAVE" = "yes" ] && ( ! is_nm_running || is_false $NM_CONTROLLED ) ; then
            continue
        fi

        if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then
            vpninterfaces="$vpninterfaces $i"
            continue
        fi
        if [ "$TYPE" = "xDSL"  -o  "$TYPE" = "Modem" ]; then
            xdslinterfaces="$xdslinterfaces $i"
            continue
        fi

        if [ "$TYPE" = "Bridge" ]; then
            bridgeinterfaces="$bridgeinterfaces $i"
            continue
        fi
        if [ "$TYPE" = "IPSEC" ] || [ "$TYPE" = "IPIP" ] || [ "$TYPE" = "GRE" ]; then
            vpninterfaces="$vpninterfaces $i"
            continue
        fi

        if [ "${DEVICE%%.*}" != "$DEVICE"  -o  "${DEVICE##vlan}" != "$DEVICE" ] ; then
            vlaninterfaces="$vlaninterfaces $i"
            continue
        fi

        if LANG=C grep -EL "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i > /dev/null ; then
            # this loads the module, to preserve ordering
            is_available $i
            continue
        fi
        action $"Bringing up interface $i: " ./ifup $i boot
        [ $? -ne 0 ] && rc=1
    done

    # Bring up xDSL and VPN interfaces
    for i in $vlaninterfaces $bridgeinterfaces $xdslinterfaces $vpninterfaces ; do
        if ! LANG=C grep -EL "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i >/dev/null 2>&1 ; then
            action $"Bringing up interface $i: " ./ifup $i boot
            [ $? -ne 0 ] && rc=1
        fi
    done

    # Add non interface-specific static-routes.
    if [ -f /etc/sysconfig/static-routes ]; then
        if [ -x /sbin/route ]; then
            grep "^any" /etc/sysconfig/static-routes | while read ignore args ; do
                /sbin/route add -$args
            done
        else
            net_log $"Legacy static-route support not available: /sbin/route not found"
        fi
    fi

    # IPv6 hook (post IPv4 start)
    if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
        /etc/sysconfig/network-scripts/init.ipv6-global start post
    fi
    # Run this again to catch any interface-specific actions
    apply_sysctl

    touch /var/lock/subsys/network

    [ -n "${NETWORKDELAY}" ] && /bin/sleep ${NETWORKDELAY}
    ;;
stop)
    [ "$EUID" != "0" ] && exit 4
    # Don't shut the network down if root or /usr is on NFS or a network
    # block device.
    root_fstype=$(gawk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/"    && $3 != "rootfs") { print $3; }}' /proc/mounts)
    usr_fstype=$(gawk  '{ if ($1 !~ /^[ \t]*#/ && $2 == "/usr" && $3 != "rootfs") { print $3; }}' /proc/mounts)

    if [[ "${root_fstype}" == nfs* || "${usr_fstype}" == nfs* ]] || systemctl show --property=RequiredBy -- -.mount usr.mount | grep -q 'remote-fs.target' ; then
        net_log $"rootfs or /usr is on network filesystem, leaving network up"
        exit 1
    fi

    unset root_fstype usr_fstype

    # Don't shut the network down when shutting down the system if configured
    # as such in sysconfig
    if is_false "$IFDOWN_ON_SHUTDOWN"; then
      if systemctl is-system-running | grep -q 'stopping'; then
        net_log $"system is shutting down, leaving interfaces up as requested"
        exit 1
      fi
    fi

    vlaninterfaces=""
    vpninterfaces=""
    xdslinterfaces=""
    bridgeinterfaces=""
    remaining=""
    rc=0

    # get list of bonding, vpn, and xdsl interfaces
    for i in $interfaces; do
        unset DEVICE TYPE
        eval $(LANG=C grep -F "DEVICE=" ifcfg-$i)
        eval $(LANG=C grep -F "TYPE=" ifcfg-$i)

        if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi

        if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then
            vpninterfaces="$vpninterfaces $i"
            continue
        fi
        if [ "$TYPE" = "IPSEC" ] || [ "$TYPE" = "IPIP" ] || [ "$TYPE" = "GRE" ]; then
            vpninterfaces="$vpninterfaces $i"
            continue
        fi
        if [ "$TYPE" = "Bridge" ]; then
            bridgeinterfaces="$bridgeinterfaces $i"
            continue
        fi
        if [ "$TYPE" = "xDSL"  -o  "$TYPE" = "Modem" ]; then
            xdslinterfaces="$xdslinterfaces $i"
            continue
        fi

        if [ "${DEVICE%%.*}" != "$DEVICE"  -o  "${DEVICE##vlan}" != "$DEVICE" ] ; then
            vlaninterfaces="$vlaninterfaces $i"
            continue
        fi
        remaining="$remaining $i"
    done

    for i in $vpninterfaces $xdslinterfaces $bridgeinterfaces $vlaninterfaces $remaining; do
        unset DEVICE TYPE
        (. ./ifcfg-$i
        if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi

        if ! check_device_down $DEVICE; then
            action $"Shutting down interface $i: " ./ifdown $i boot
            [ $? -ne 0 ] && rc=1
        fi
        )
    done

    action $"Shutting down loopback interface: " ./ifdown ifcfg-lo

    sysctl -w net.ipv4.ip_forward=0 > /dev/null 2>&1

    # IPv6 hook (post IPv4 stop)
    if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
        /etc/sysconfig/network-scripts/init.ipv6-global stop post
    fi

    rm -f /var/lock/subsys/network
    ;;
status)
    echo $"Configured devices:"
    echo lo $interfaces

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

exit $rc