File Content: network #! /bin/bash # # network Bring up/down networking # # chkconfig: 2345 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 # 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" info exit 0 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 Submit