269 lines
7.9 KiB
Bash
Executable File
269 lines
7.9 KiB
Bash
Executable File
#! /bin/bash
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#
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# network Bring up/down networking
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#
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# chkconfig: - 10 90
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# description: Activates/Deactivates all network interfaces configured to \
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# start at boot time.
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#
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### BEGIN INIT INFO
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# Provides: $network
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# Should-Start: iptables ip6tables NetworkManager-wait-online NetworkManager $network-pre
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# Short-Description: Bring up/down networking
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# Description: Bring up/down networking
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### END INIT INFO
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# Source function library.
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. /etc/init.d/functions
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if [ ! -f /etc/sysconfig/network ]; then
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exit 6
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fi
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. /etc/sysconfig/network
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if [ -f /etc/sysconfig/pcmcia ]; then
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. /etc/sysconfig/pcmcia
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fi
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# Check that networking is up.
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[ "${NETWORKING}" = "no" ] && exit 6
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# if the ip configuration utility isn't around we can't function.
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[ -x /sbin/ip ] || exit 1
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CWD=$(pwd)
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cd /etc/sysconfig/network-scripts
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. ./network-functions
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# find all the interfaces besides loopback.
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# ignore aliases, alternative configurations, and editor backup files
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interfaces=$(ls ifcfg-* | \
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LC_ALL=C sed -e "$__sed_discard_ignored_files" \
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-e '/\(ifcfg-lo$\|:\|ifcfg-.*-range\)/d' \
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-e '{ s/^ifcfg-//g;s/[0-9]/ &/}' | \
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LC_ALL=C sort -k 1,1 -k 2n | \
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LC_ALL=C sed 's/ //')
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rc=0
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if ! [ -f /etc/sysconfig/disable-deprecation-warnings ]; then
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net_log $"You are using 'network' service provided by 'network-scripts', which are now deprecated." warning network >&2
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net_log $"'network-scripts' will be removed in one of the next major releases of RHEL." warning network >&2
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net_log $"It is advised to switch to 'NetworkManager' instead for network management." warning network >&2
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# This disables additional warnings during the boot process:
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export DEPRECATION_WARNING_ISSUED='true'
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fi
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# See how we were called.
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case "$1" in
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start)
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[ "$EUID" != "0" ] && exit 4
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rc=0
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# IPv6 hook (pre IPv4 start)
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if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
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/etc/sysconfig/network-scripts/init.ipv6-global start pre
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fi
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apply_sysctl
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#tell NM to reload its configuration
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if [ "$(LANG=C nmcli -t --fields running general status 2>/dev/null)" = "running" ]; then
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nmcli connection reload
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fi
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# bring up loopback interface
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action $"Bringing up loopback interface: " ./ifup ifcfg-lo
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case "$VLAN" in
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yes)
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if [ ! -d /proc/net/vlan ] && ! modprobe 8021q >/dev/null 2>&1 ; then
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net_log $"No 802.1Q VLAN support available in kernel."
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fi
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;;
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esac
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vlaninterfaces=""
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vpninterfaces=""
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xdslinterfaces=""
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bridgeinterfaces=""
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# bring up all other interfaces configured to come up at boot time
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for i in $interfaces; do
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unset DEVICE TYPE SLAVE NM_CONTROLLED
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eval $(LANG=C grep -F "DEVICE=" ifcfg-$i)
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eval $(LANG=C grep -F "TYPE=" ifcfg-$i)
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eval $(LANG=C grep -F "SLAVE=" ifcfg-$i)
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eval $(LANG=C grep -F "NM_CONTROLLED=" ifcfg-$i)
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if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi
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if [ "$SLAVE" = "yes" ] && ( ! is_nm_running || is_false $NM_CONTROLLED ) ; then
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continue
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fi
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if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then
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vpninterfaces="$vpninterfaces $i"
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continue
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fi
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if [ "$TYPE" = "xDSL" -o "$TYPE" = "Modem" ]; then
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xdslinterfaces="$xdslinterfaces $i"
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continue
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fi
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if [ "$TYPE" = "Bridge" ]; then
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bridgeinterfaces="$bridgeinterfaces $i"
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continue
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fi
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if [ "$TYPE" = "IPSEC" ] || [ "$TYPE" = "IPIP" ] || [ "$TYPE" = "GRE" ]; then
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vpninterfaces="$vpninterfaces $i"
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continue
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fi
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if [ "${DEVICE%%.*}" != "$DEVICE" -o "${DEVICE##vlan}" != "$DEVICE" ] ; then
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vlaninterfaces="$vlaninterfaces $i"
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continue
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fi
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if ( . ./ifcfg-"$i" ; is_false "$ONBOOT" ) ; then
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# this loads the module, to preserve ordering
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is_available $i
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continue
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fi
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action $"Bringing up interface $i: " ./ifup $i boot
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[ $? -ne 0 ] && rc=1
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done
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# Bring up xDSL and VPN interfaces
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for i in $vlaninterfaces $bridgeinterfaces $xdslinterfaces $vpninterfaces ; do
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if ( . ./ifcfg-"$i" ; ! is_false "$ONBOOT" ) ; then
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action $"Bringing up interface $i: " ./ifup $i boot
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[ $? -ne 0 ] && rc=1
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fi
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done
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# Add non interface-specific static-routes.
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if [ -f /etc/sysconfig/static-routes ]; then
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if [ -x /sbin/route ]; then
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grep "^any" /etc/sysconfig/static-routes | while read ignore args ; do
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/sbin/route add -$args
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done
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else
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net_log $"Legacy static-route support not available: /sbin/route not found"
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fi
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fi
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# IPv6 hook (post IPv4 start)
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if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
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/etc/sysconfig/network-scripts/init.ipv6-global start post
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fi
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# Run this again to catch any interface-specific actions
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apply_sysctl
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touch /var/lock/subsys/network
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[ -n "${NETWORKDELAY}" ] && /bin/sleep ${NETWORKDELAY}
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;;
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stop)
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[ "$EUID" != "0" ] && exit 4
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# Don't shut the network down if root or /usr is on NFS or a network
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# block device.
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if systemctl show --property=RequiredBy -- -.mount usr.mount | grep -q 'remote-fs.target' ; then
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net_log $"rootfs or /usr is on network filesystem, leaving network up"
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exit 1
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fi
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# Don't shut the network down when shutting down the system if configured
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# as such in sysconfig
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if is_false "$IFDOWN_ON_SHUTDOWN"; then
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if systemctl is-system-running | grep -q 'stopping'; then
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net_log $"system is shutting down, leaving interfaces up as requested" info
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exit 0
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fi
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fi
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vlaninterfaces=""
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vpninterfaces=""
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xdslinterfaces=""
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bridgeinterfaces=""
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remaining=""
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rc=0
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# get list of bonding, vpn, and xdsl interfaces
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for i in $interfaces; do
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unset DEVICE TYPE
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eval $(LANG=C grep -F "DEVICE=" ifcfg-$i)
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eval $(LANG=C grep -F "TYPE=" ifcfg-$i)
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if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi
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if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then
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vpninterfaces="$vpninterfaces $i"
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continue
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fi
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if [ "$TYPE" = "IPSEC" ] || [ "$TYPE" = "IPIP" ] || [ "$TYPE" = "GRE" ]; then
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vpninterfaces="$vpninterfaces $i"
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continue
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fi
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if [ "$TYPE" = "Bridge" ]; then
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bridgeinterfaces="$bridgeinterfaces $i"
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continue
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fi
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if [ "$TYPE" = "xDSL" -o "$TYPE" = "Modem" ]; then
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xdslinterfaces="$xdslinterfaces $i"
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continue
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fi
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if [ "${DEVICE%%.*}" != "$DEVICE" -o "${DEVICE##vlan}" != "$DEVICE" ] ; then
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vlaninterfaces="$vlaninterfaces $i"
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continue
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fi
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remaining="$remaining $i"
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done
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for i in $vpninterfaces $xdslinterfaces $bridgeinterfaces $vlaninterfaces $remaining; do
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unset DEVICE TYPE
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(. ./ifcfg-$i
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if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi
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if ! check_device_down $DEVICE; then
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action $"Shutting down interface $i: " ./ifdown $i boot
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[ $? -ne 0 ] && rc=1
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fi
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)
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done
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action $"Shutting down loopback interface: " ./ifdown ifcfg-lo
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sysctl -w net.ipv4.ip_forward=0 > /dev/null 2>&1
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# IPv6 hook (post IPv4 stop)
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if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then
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/etc/sysconfig/network-scripts/init.ipv6-global stop post
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fi
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rm -f /var/lock/subsys/network
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;;
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status)
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echo $"Configured devices:"
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echo lo $interfaces
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echo $"Currently active devices:"
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echo $(/sbin/ip -o link show up | awk -F ": " '{ print $2 }')
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;;
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restart|force-reload)
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cd "$CWD"
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$0 stop
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$0 start
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rc=$?
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;;
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*)
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echo $"Usage: $0 {start|stop|status|restart|force-reload}"
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exit 2
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esac
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exit $rc
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