rc.d/init.d/network

   1 #!/bin/sh
   2 #
   3 # network       Bring up/down networking
   4 #
   5 # chkconfig:    2345 10 90
   6 # description:  Activates/Deactivates all network interfaces configured to \
   7 #               start at boot time.
   8 #
   9 # probe:        true
  10
  11 # $Id$
  12
  13 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  14
  15 # NLS
  16 NLS_DOMAIN="rc-scripts"
  17
  18 # Source function library.
  19 . /etc/rc.d/init.d/functions
  20 . /etc/sysconfig/network-scripts/functions.network
  21
  22 if [ ! -f /etc/sysconfig/network ]; then
  23         nls "%s is missing. Can't continue." "/etc/sysconfig/network"
  24         exit 1
  25 fi
  26
  27 . /etc/sysconfig/network
  28
  29 # Check that networking is up.
  30 is_no "${NETWORKING}" && exit 0
  31
  32 # Will be removed in the future
  33 if is_yes "$NETWORKING" ; then
  34         if [ -z "$IPV4_NETWORKING" ] ; then
  35                 echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
  36                 echo "Please upgrade your config"
  37                 echo "Assuming you want IPv4 networking"
  38                 IPV4_NETWORKING=yes
  39         fi
  40 fi
  41
  42 if [ ! -x /sbin/ip ]; then
  43         nls "%s is missing. Can't continue." "/sbin/ip"
  44         exit 1
  45 fi
  46
  47 ######
  48 # initialize networking:
  49 # - check IPv4, IPv6, IPX can be handled by system
  50 # - setup default IPv{4,6} interfaces policy like:
  51 #   - spoofig protection,
  52 #   - icmp echo ignore broadcasts,
  53 # - setup lo interface
  54 network_init()
  55 {
  56 # Modprobe needed devices
  57 modprobe_net
  58
  59 # Setup interfaces names
  60 [ -x /sbin/nameif -a -f /etc/mactab ] && run_cmd "Setting interfaces names (nameif)" /sbin/nameif
  61
  62 # Kernel network parameters
  63 sysctl -e -p /etc/sysctl.conf > /dev/null 2>&1
  64
  65 # Set UP loopback interface
  66 set_up_loopback
  67
  68 # Setup configuration
  69 setup_nat on
  70 setup_routes on
  71 setup_ip_rules on
  72 # Setup IPX
  73 if is_yes "$IPX"; then
  74         if [ -n $IPXAUTOPRIMARY ] ; then
  75                 if is_yes "$IPXAUTOPRIMARY"; then
  76                         IPXAUTOPRIMARY="on"
  77                 else
  78                         IPXAUTOPRIMARY="off"
  79                 fi
  80                 /sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY
  81         fi
  82         if [ -n $IPXAUTOFRAME ] ; then
  83                 if is_yes "$IPXAUTOFRAME"; then
  84                         IPXAUTOFRAME="on"
  85                 else
  86                         IPXAUTOFRAME="off"
  87                 fi
  88                 /sbin/ipx_configure --auto_interface=$IPXAUTOFRAME
  89         fi
  90         if [ -n "$IPXINTERNALNETNUM" -a "$IPXINTERNALNETNUM" != "0" ]; then
  91                 /sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM
  92         fi
  93 fi
  94 }
  95
  96 network_postinit()
  97 {
  98 # Set static RARP table
  99 static_rarp
 100
 101 # Set static ARP table
 102 static_arp
 103 }
 104
 105 ######
 106 # deinitialize networking
 107 # - down lo interface.
 108 network_deinit()
 109 {
 110 setup_routes off
 111 setup_ip_rules off
 112
 113 # Set down NAT rules
 114 setup_nat off
 115 # Set DOWN loopback interface
 116 set_down_loopback
 117 }
 118
 119 # find all the interfaces besides loopback.
 120 # ignore aliases, alternative configurations, and editor backup files
 121 if [ -n "$(grep "^BOOTPRIO=" /etc/sysconfig/interfaces/ifcfg* 2> /dev/null)" ]; then
 122         interfaces_boot=$(( \
 123                 . /etc/rc.d/init.d/functions; \
 124                 cd /etc/sysconfig/interfaces; \
 125                 egrep 'BOOTPRIO' ifcfg* | sort -t= -n -k2,2 | \
 126                 awk ' { gsub(/:BOOTPRIO.*/,NIL); print $0 } '| egrep -v 'ifcfg-lo' | \
 127                 for i in `cat`; do \
 128                     ONBOOT=""; . /etc/sysconfig/interfaces/"$i"; is_yes "$ONBOOT" &&
 129                     echo "$i"; \
 130                 done | \
 131                 awk ' { gsub(/ifcfg-/,NIL); print $0 } ') 2> /dev/null)
 132 else
 133         interfaces_boot=$((
 134                 . /etc/rc.d/init.d/functions; \
 135                 cd /etc/sysconfig/interfaces && ls -1 ifcfg* | \
 136                 egrep -v '(ifcfg-lo|ifcfg-sit|ifcfg-atm|ifcfg-lec|ifcfg-nas|ifcfg-br|ifcfg-(.*)\.(.*))' | \
 137                 LC_ALL=C egrep 'ifcfg-[a-z0-9\.]+$' | \
 138                 for i in `cat`; do \
 139                     ONBOOT=""; . /etc/sysconfig/interfaces/"$i"; is_yes "$ONBOOT" && echo "$i"; \
 140                 done | \
 141                 awk ' { gsub(/ifcfg-/,NIL); print $0 } ') 2> /dev/null)
 142         interfaces_vlan_boot=$((
 143                 . /etc/rc.d/init.d/functions; \
 144                 cd /etc/sysconfig/interfaces && ls -1 ifcfg* | \
 145                 egrep 'ifcfg-(.*)\.(.*)' | \
 146                 LC_ALL=C egrep 'ifcfg-[a-z0-9\.]+$' | \
 147                 for i in `cat`; do \
 148                     ONBOOT=""; . /etc/sysconfig/interfaces/"$i"; is_yes "$ONBOOT" && echo "$i"; \
 149                 done | \
 150                 awk ' { gsub(/ifcfg-/,NIL); print $0 } ') 2> /dev/null)
 151         interfaces_br_boot=$((
 152                 . /etc/rc.d/init.d/functions; \
 153                 cd /etc/sysconfig/interfaces && ls -1 ifcfg-br* | \
 154                 LC_ALL=C egrep 'ifcfg-[a-z0-9\.]+$' | \
 155                 for i in `cat`; do \
 156                     ONBOOT=""; . /etc/sysconfig/interfaces/"$i"; is_yes "$ONBOOT" && echo "$i"; \
 157                 done | \
 158                 awk ' { gsub(/ifcfg-/,NIL); print $0 } ') 2> /dev/null)
 159         interfaces_sit_boot=$((
 160                 . /etc/rc.d/init.d/functions; \
 161                 cd /etc/sysconfig/interfaces && ls -1 ifcfg-sit* | \
 162                 LC_ALL=C egrep 'ifcfg-[a-z0-9]+$' | \
 163                 for i in `cat`; do \
 164                     ONBOOT=""; . /etc/sysconfig/interfaces/"$i"; is_yes "$ONBOOT" && echo "$i"; \
 165                 done | \
 166                 awk ' { gsub(/ifcfg-/,NIL); print $0 } ') 2> /dev/null)
 167 fi
 168 tunnels=$((cd /etc/sysconfig/interfaces && ls -1 tnlcfg-* | \
 169         xargs egrep -l "ONBOOT=[^n][^o]" | \
 170         LC_ALL=C egrep 'tnlcfg-[a-z0-9]+$' | \
 171         awk ' { gsub(/tnlcfg-/,NIL); print $0 } ') 2> /dev/null)
 172
 173 # See how we were called.
 174 case "$1" in
 175   start)
 176         rc_splash "bootnetwork start"
 177
 178         network_init
 179
 180         for i in $interfaces_boot $interfaces_vlan_boot $interfaces_sit_boot ; do
 181                 run_cmd -a "$(nls 'Bringing up interface %s' "$i")" /sbin/ifup $i boot
 182         done
 183
 184         for i in $interfaces_br_boot ; do
 185                 run_cmd -a "$(nls 'Bringing up bridge interface %s' "$i")" /sbin/ifup $i boot
 186         done
 187
 188         for i in $tunnels; do
 189                 run_cmd -a "$(nls 'Setting tunnel %s' "$i")" /sbin/tnlup $i boot
 190                 run_cmd -a "$(nls 'Bringing up tunnel interface %s' "$i")" /sbin/ifup tnlcfg-$i boot
 191         done
 192
 193         network_postinit
 194
 195         touch /var/lock/subsys/network
 196         ;;
 197   stop)
 198         # If we go to runlevel 0, 1 or 6 then umount all network fs
 199         if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then
 200                 if [ -x /etc/rc.d/init.d/netfs -a -f /var/lock/subsys/netfs ];
 201                 then
 202                         /etc/rc.d/init.d/netfs stop
 203                 else
 204                         netmtab=$(awk '{ if ($3 ~ /^(nfs|smbfs|ncpfs|cifs)$/ ) print $3}' /proc/mounts)
 205                         if (echo "$netmtab" | grep -q nfs); then
 206                            run_cmd "Unmounting NFS filesystems" umount -fat nfs
 207                         fi
 208                         if (echo "$netmtab" | grep -q smbfs); then
 209                            run_cmd "Unmounting SMB filesystems" umount -at smbfs
 210                         fi
 211                         if (echo "$netmtab" | grep -q ncpfs); then
 212                            run_cmd "Unmounting NCP filesystems" umount -at ncpfs
 213                         fi
 214                         if (echo "$netmtab" | grep -q cifs); then
 215                            run_cmd "Unmounting CIFS filesystems" umount -at cifs
 216                         fi
 217                 fi
 218         fi
 219
 220         for i in $tunnels; do
 221                 run_cmd -a "$(nls 'Shutting down tunnel interface %s' "$i")" /sbin/ifdown tnlcfg-$i boot
 222                 run_cmd -a "$(nls 'Removing tunnel %s' "$i")" /sbin/tnldown $i boot
 223         done
 224
 225         for i in $interfaces_br_boot ; do
 226                 run_cmd -a "$(nls 'Shutting down bridge interface %s' "$i")" /sbin/ifdown $i boot
 227         done
 228
 229         for i in $interfaces_sit_boot $interfaces_vlan_boot $interfaces_boot ; do
 230                 run_cmd -a "$(nls 'Shutting down interface %s' "$i")" /sbin/ifdown $i boot
 231         done
 232
 233         network_deinit
 234
 235         rm -f /var/lock/subsys/network
 236         ;;
 237   status)
 238         nls "Configured devices:"
 239         echo "lo $interfaces"
 240         nls "Configured tunnels:"
 241         echo "$tunnels"
 242         echo
 243         nls "Currently inactive devices and tunnels:"
 244         /sbin/ip link show | awk -F":" '(/^[0-90-90-9]:/) && ! (/UP/) { print $2 }' | xargs
 245         nls "Currently active devices and tunnels:"
 246         /sbin/ip link show | awk -F":" ' (/UP/) { print $2 }' | xargs
 247         ;;
 248   restart)
 249         $0 stop
 250         $0 start
 251         ;;
 252   *)
 253         echo "Usage: $0 {start|stop|restart|status}"
 254         exit 1
 255 esac
 256
 257 exit 0
 258
 259 # This must be last line !
 260 # vi:syntax=sh:tw=78:ts=8:sw=4