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 # $Id$
  11
  12 if [ ! -f /etc/sysconfig/network ]; then
  13         . /etc/rc.d/init.d/functions
  14         nls "%s is missing. Can't continue." "/etc/sysconfig/network"
  15         exit 1
  16 fi
  17
  18 . /etc/sysconfig/network
  19
  20 # Source function library.
  21 . /etc/rc.d/init.d/functions
  22 . /lib/rc-scripts/functions.network
  23
  24 # Will be removed in the future
  25 if [ -n "$NETWORKING" ] && is_yes "$NETWORKING"; then
  26         if [ -z "$IPV4_NETWORKING" ]; then
  27                 echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
  28                 echo "Please upgrade your config"
  29                 echo "Assuming you want IPv4 networking"
  30                 IPV4_NETWORKING=yes
  31         fi
  32 fi
  33
  34 ######
  35 # initialize networking:
  36 # - check IPv4, IPv6, IPX can be handled by system
  37 # - setup default IPv{4,6} interfaces policy like:
  38 #   - spoofig protection,
  39 #   - icmp echo ignore broadcasts,
  40 # - setup lo interface
  41 network_init() {
  42         if [ ! -x /sbin/ip ]; then
  43                 nls "%s is missing. Can't continue." "/sbin/ip"
  44                 exit 1
  45         fi
  46
  47         # Modprobe needed devices
  48         modprobe_net
  49
  50         # Setup interfaces names
  51         if [ -x /sbin/nameif -a -f /etc/mactab -a -x /usr/bin/wc ] && [ $(grep -vsE '^(#| *$)' /etc/mactab | wc -l) -gt 0 ]; then
  52                 run_cmd "Setting interfaces names (nameif)" /sbin/nameif
  53         fi
  54
  55         # Kernel network parameters
  56         sysctl -e -p /etc/sysctl.conf > /dev/null 2>&1
  57
  58         # Set UP loopback interface
  59         set_up_loopback
  60
  61         # Setup configuration
  62         setup_nat on
  63         setup_routes on
  64         setup_ip_rules on
  65         # Setup IPX
  66         if is_yes "$IPX"; then
  67                 if [ -n $IPXAUTOPRIMARY ] ; then
  68                         if is_yes "$IPXAUTOPRIMARY"; then
  69                                 IPXAUTOPRIMARY="on"
  70                         else
  71                                 IPXAUTOPRIMARY="off"
  72                         fi
  73                         /sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY
  74                 fi
  75                 if [ -n $IPXAUTOFRAME ] ; then
  76                         if is_yes "$IPXAUTOFRAME"; then
  77                                 IPXAUTOFRAME="on"
  78                         else
  79                                 IPXAUTOFRAME="off"
  80                         fi
  81                         /sbin/ipx_configure --auto_interface=$IPXAUTOFRAME
  82                 fi
  83                 if [ -n "$IPXINTERNALNETNUM" -a "$IPXINTERNALNETNUM" != "0" ]; then
  84                         /sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM
  85                 fi
  86         fi
  87 }
  88
  89 network_postinit() {
  90         # Set static RARP table
  91         static_rarp
  92
  93         # Set static ARP table
  94         static_arp
  95 }
  96
  97 ######
  98 # deinitialize networking
  99 # - down lo interface.
 100 network_deinit() {
 101         setup_routes off
 102         setup_ip_rules off
 103
 104         # Set down NAT rules
 105         setup_nat off
 106         # Set DOWN loopback interface
 107         set_down_loopback
 108 }
 109
 110 # Get list of interface configs
 111 # ignores editor backup files and rpm backups
 112 network_interface_configs() {
 113         local match="$1"
 114         for a in /etc/sysconfig/interfaces/$match; do
 115                 case "$a" in
 116                 *.rpmorig|*.rpmnew|*.rpmsave|*~|*.orig)
 117                         continue
 118                         ;;
 119                 *)
 120                         echo $a
 121                 ;;
 122                 esac
 123         done
 124 }
 125
 126 find_boot_interfaces() {
 127         ifcfg_files="$(network_interface_configs 'ifcfg-*')"
 128         bootprio=$(grep '^BOOTPRIO=' $ifcfg_files)
 129
 130         if [ -n "$bootprio" ]; then
 131                 # find all the interfaces besides loopback.
 132                 interfaces_boot=`
 133                         for a in $(echo "$bootprio" | sort -t= -n -k2,2); do
 134                                 i="${a%:BOOTPRIO*}"
 135                                 case $i in
 136                                         *ifcfg-lo) continue ;;
 137                                 esac
 138                                 ONBOOT=""; . "$i" 2>/dev/null
 139                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 140                         done
 141                 `
 142         else
 143                 interfaces_boot=`
 144                         for i in $ifcfg_files; do
 145                                 case ${i##*/} in
 146                                         ifcfg-lo|ifcfg-sit*|ifcfg-atm*|ifcfg-lec*|ifcfg-nas*|ifcfg-br*|ifcfg-*.*) continue ;;
 147                                 esac
 148                                 ONBOOT=""; . "$i" 2>/dev/null
 149                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 150                         done
 151                 `
 152
 153                 interfaces_vlan_boot=`
 154                         for i in $ifcfg_files; do
 155                                 case ${i##*/} in
 156                                         ifcfg-*.*) ;;
 157                                         *) continue ;;
 158                                 esac
 159                                 ONBOOT=""; . "$i" 2>/dev/null
 160                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 161                         done
 162                 `
 163
 164                 interfaces_br_boot=`
 165                         for i in $ifcfg_files; do
 166                                 case ${i##*/} in
 167                                         ifcfg-br*) ;;
 168                                         *) continue ;;
 169                                 esac
 170                                 ONBOOT=""; . "$i" 2>/dev/null
 171                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 172                         done
 173                 `
 174
 175                 interfaces_sit_boot=`
 176                         for i in $ifcfg_files; do
 177                                 case ${i##*/} in
 178                                         ifcfg-sit*) ;;
 179                                         *) continue ;;
 180                                 esac
 181                                 ONBOOT=""; . "$i" 2>/dev/null
 182                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 183                         done
 184                 `
 185         fi
 186
 187         tunnels=$(
 188                 for i in $(network_interface_configs 'tnlcfg-*'); do
 189                         ONBOOT=""; . "$i" 2>/dev/null
 190                         [ ${ONBOOT:-no} = yes ] && echo "${i##*/tnlcfg-}"
 191                 done
 192         )
 193 }
 194
 195 start() {
 196         emit pld.network-starting
 197         rc_splash "bootnetwork start"
 198         network_init
 199
 200         for i in $interfaces_boot $interfaces_vlan_boot $interfaces_sit_boot; do
 201                 run_cmd -a "$(nls 'Bringing up interface %s' "$i")" /sbin/ifup $i boot
 202         done
 203
 204         for i in $interfaces_br_boot ; do
 205                 run_cmd -a "$(nls 'Bringing up bridge interface %s' "$i")" /sbin/ifup $i boot
 206         done
 207
 208         for i in $tunnels; do
 209                 run_cmd -a "$(nls 'Setting tunnel %s' "$i")" /sbin/tnlup $i boot
 210                 run_cmd -a "$(nls 'Bringing up tunnel interface %s' "$i")" /sbin/ifup tnlcfg-$i boot
 211         done
 212
 213         network_postinit
 214
 215         touch /var/lock/subsys/network
 216         emit --no-wait pld.network-started
 217 }
 218
 219 stop() {
 220         emit pld.network-stopping
 221         # If we go to runlevel 0, 1 or 6 then umount all network fs
 222         if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then
 223                 if [ -x /etc/rc.d/init.d/netfs -a -f /var/lock/subsys/netfs ];
 224                 then
 225                         /etc/rc.d/init.d/netfs stop
 226                 fi
 227         fi
 228
 229         for i in $tunnels; do
 230                 run_cmd -a "$(nls 'Shutting down tunnel interface %s' "$i")" /sbin/ifdown tnlcfg-$i boot
 231                 run_cmd -a "$(nls 'Removing tunnel %s' "$i")" /sbin/tnldown $i boot
 232         done
 233
 234         for i in $interfaces_br_boot ; do
 235                 run_cmd -a "$(nls 'Shutting down bridge interface %s' "$i")" /sbin/ifdown $i boot
 236         done
 237
 238         for i in $interfaces_sit_boot $interfaces_vlan_boot $interfaces_boot ; do
 239                 run_cmd -a "$(nls 'Shutting down interface %s' "$i")" /sbin/ifdown $i boot
 240         done
 241
 242         network_deinit
 243
 244         rm -f /var/lock/subsys/network >/dev/null 2>&1
 245         emit --no-wait pld.network-stopped
 246 }
 247
 248 # Reload all active interfaces
 249 reload() {
 250         if [ ! -f /var/lock/subsys/network ]; then
 251                 msg_not_running network
 252                 RETVAL=7
 253                 return
 254         fi
 255
 256         set_dhcpclient
 257
 258         # if no DHCP client found we can't reload anything
 259         if [ -z "$DHCP_CLIENT" ]; then
 260                 return
 261         fi
 262
 263         local DHCP_ARGS
 264         case ${DHCP_CLIENT##*/} in
 265 #         pump)
 266 #               DHCP_ARGS=""
 267 #               ;;
 268           dhcpcd)
 269                 DHCP_ARGS="-n"
 270                 ;;
 271 #         dhcpxd)
 272 #               DHCP_ARGS=""
 273 #               ;;
 274 #         dhclient)
 275 #               DHCP_ARGS=""
 276 #               ;;
 277           *)
 278                 echo "Reloading using $DHCP_CLIENT DHCP Client is not implmemented in rc-scripts"
 279                 RETVAL=1
 280                 return
 281                 ;;
 282         esac
 283
 284         # for IPv4 DHCP interfaces send signal to refresh interface
 285         local dev devs=${*:-$(/sbin/ip link show | awk -F: '/UP/{print $2}')}
 286         for dev in $devs; do
 287                 if [ ! -f /etc/sysconfig/interfaces/ifcfg-$dev ]; then
 288                         continue
 289                 fi
 290                 . /etc/sysconfig/interfaces/ifcfg-$dev
 291
 292                 if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" -a "$BOOTPROTO" != "static" ] && is_yes "$IPV4_NETWORKING"; then
 293                         case ${DHCP_CLIENT##*/} in
 294                           pump)
 295                                 DHCP_ARGS="$DHCP_ARGS -i $DEVICE"
 296                                 ;;
 297                           dhcpcd)
 298                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 299                                 ;;
 300                           dhcpxd)
 301                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 302                                 ;;
 303                           dhclient)
 304                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 305                                 ;;
 306                         esac
 307                         DHCP_ARGS="$DHCP_OPTIONS $DHCP_ARGS"
 308
 309                         show 'Reloading interface %s' $dev
 310                         if $DHCP_CLIENT $DHCP_ARGS; then
 311                                 ok
 312                         else
 313                                 fail
 314                         fi
 315                 fi
 316         done
 317
 318 }
 319
 320 find_boot_interfaces
 321
 322 # See how we were called.
 323 case "$1" in
 324   start)
 325         if is_yes "$VSERVER_ISOLATION_NET"; then
 326                 emit pld.network-starting
 327                 touch /var/lock/subsys/network
 328                 emit pld.network-started
 329                 exit 0
 330         fi
 331         start
 332         ;;
 333
 334   stop)
 335         if is_yes "$VSERVER_ISOLATION_NET"; then
 336                 emit pld.network-stopping
 337                 rm -f /var/lock/subsys/network >/dev/null 2>&1
 338                 emit pld.network-stopped
 339                 exit 0
 340         fi
 341         stop
 342         ;;
 343
 344   status)
 345         nls "Configured devices:"
 346         echo "lo $interfaces"
 347         nls "Configured tunnels:"
 348         echo "$tunnels"
 349         echo
 350         nls "Currently inactive devices and tunnels:"
 351         /sbin/ip link show | awk -F":" '(/^[0-90-90-9]:/) && ! (/UP/) { print $2 }' | xargs
 352         nls "Currently active devices and tunnels:"
 353         /sbin/ip link show | awk -F":" ' (/UP/) { print $2 }' | xargs
 354         ;;
 355
 356   reload)
 357         if is_yes "$VSERVER_ISOLATION_NET"; then
 358                 exit 0
 359         fi
 360         shift
 361         reload ${1:+"$@"}
 362         ;;
 363
 364   restart)
 365         if is_yes "$VSERVER_ISOLATION_NET"; then
 366                 exit 0
 367         fi
 368
 369         stop
 370         start
 371         ;;
 372
 373   *)
 374         msg_usage "$0 {start|stop|reload|restart|status}"
 375         exit 3
 376 esac
 377
 378 exit 0