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 if [ ! -f /etc/sysconfig/network ]; then
  12         . /etc/rc.d/init.d/functions
  13         nls "%s is missing. Can't continue." "/etc/sysconfig/network"
  14         exit 1
  15 fi
  16
  17 . /etc/sysconfig/network
  18
  19 # Source function library.
  20 . /etc/rc.d/init.d/functions
  21 . /lib/rc-scripts/functions.network
  22
  23 # Will be removed in the future
  24 if [ -n "$NETWORKING" ] && is_yes "$NETWORKING"; then
  25         if [ -z "$IPV4_NETWORKING" ]; then
  26                 echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
  27                 echo "Please upgrade your config"
  28                 echo "Assuming you want IPv4 networking"
  29                 IPV4_NETWORKING=yes
  30         fi
  31 fi
  32
  33 ######
  34 # initialize networking:
  35 # - check IPv4, IPv6, IPX can be handled by system
  36 # - setup default IPv{4,6} interfaces policy like:
  37 #   - spoofig protection,
  38 #   - icmp echo ignore broadcasts,
  39 # - setup lo interface
  40 network_init() {
  41         if [ ! -x /sbin/ip ]; then
  42                 nls "%s is missing. Can't continue." "/sbin/ip"
  43                 exit 1
  44         fi
  45
  46         # Modprobe needed devices
  47         modprobe_net
  48
  49         # load sysctl params
  50         apply_sysctl
  51
  52         # Setup interfaces names
  53         if ! is_empty_file /etc/mactab && [ -x /sbin/nameif ]; then
  54                 run_cmd "Setting interfaces names (nameif)" /sbin/nameif
  55         fi
  56
  57         # Kernel network parameters
  58         sysctl -e -p /etc/sysctl.conf > /dev/null 2>&1
  59
  60         # Set UP loopback interface
  61         set_up_loopback
  62
  63         # Setup configuration
  64         setup_nat on
  65         setup_routes on
  66         setup_ip_rules on
  67         # Setup IPX
  68         if is_yes "$IPX"; then
  69                 if [ -n $IPXAUTOPRIMARY ] ; then
  70                         if is_yes "$IPXAUTOPRIMARY"; then
  71                                 IPXAUTOPRIMARY="on"
  72                         else
  73                                 IPXAUTOPRIMARY="off"
  74                         fi
  75                         /sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY
  76                 fi
  77                 if [ -n $IPXAUTOFRAME ] ; then
  78                         if is_yes "$IPXAUTOFRAME"; then
  79                                 IPXAUTOFRAME="on"
  80                         else
  81                                 IPXAUTOFRAME="off"
  82                         fi
  83                         /sbin/ipx_configure --auto_interface=$IPXAUTOFRAME
  84                 fi
  85                 if [ -n "$IPXINTERNALNETNUM" -a "$IPXINTERNALNETNUM" != "0" ]; then
  86                         /sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM
  87                 fi
  88         fi
  89 }
  90
  91 network_postinit() {
  92         # Run this again to catch any interface-specific actions
  93         apply_sysctl
  94
  95         # Set static RARP table
  96         static_rarp
  97
  98         # Set static ARP table
  99         static_arp
 100 }
 101
 102 ######
 103 # deinitialize networking
 104 # - down lo interface.
 105 network_deinit() {
 106         setup_routes off
 107         setup_ip_rules off
 108
 109         # Set down NAT rules
 110         setup_nat off
 111         # Set DOWN loopback interface
 112         set_down_loopback
 113 }
 114
 115 # Get list of interface configs
 116 # ignores editor backup files and rpm backups
 117 network_interface_configs() {
 118         local match="$1"
 119         for a in /etc/sysconfig/interfaces/$match; do
 120                 case "$a" in
 121                 *.rpmorig|*.rpmnew|*.rpmsave|*~|*.orig)
 122                         continue
 123                         ;;
 124                 *)
 125                         echo $a
 126                 ;;
 127                 esac
 128         done
 129 }
 130
 131 find_boot_interfaces() {
 132         ifcfg_files="$(network_interface_configs 'ifcfg-*')"
 133         bootprio=$(grep '^BOOTPRIO=' $ifcfg_files)
 134
 135         if [ -n "$bootprio" ]; then
 136                 # find all the interfaces besides loopback.
 137                 interfaces_boot=`
 138                         for a in $(echo "$bootprio" | sort -t= -s -n -k2,2); do
 139                                 i="${a%:BOOTPRIO*}"
 140                                 case $i in
 141                                         *ifcfg-lo) continue ;;
 142                                 esac
 143                                 DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 144                                 [ "${DEVICE:+set}" != "set" ] && continue
 145                                 [ ${USERS:-no} != no ] && continue
 146                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 147                         done
 148                 `
 149         else
 150                 interfaces_boot=`
 151                         for i in $ifcfg_files; do
 152                                 case ${i##*/} in
 153                                         ifcfg-lo|ifcfg-sit*|ifcfg-atm*|ifcfg-lec*|ifcfg-nas*|ifcfg-br*|ifcfg-macvlan*|ifcfg-macvtap*|ifcfg-*.*) continue ;;
 154                                 esac
 155                                 DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 156                                 [ "${DEVICE:+set}" != "set" ] && continue
 157                                 [ ${USERS:-no} != no ] && continue
 158                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 159                         done
 160                 `
 161
 162                 interfaces_vlan_boot=`
 163                         for i in $ifcfg_files; do
 164                                 case ${i##*/} in
 165                                         ifcfg-*.*) ;;
 166                                         *) continue ;;
 167                                 esac
 168                                 DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 169                                 [ "${DEVICE:+set}" != "set" ] && continue
 170                                 [ ${USERS:-no} != no ] && continue
 171                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 172                         done
 173                 `
 174
 175                 interfaces_br_boot=`
 176                         for i in $ifcfg_files; do
 177                                 case ${i##*/} in
 178                                         ifcfg-br*) ;;
 179                                         *) continue ;;
 180                                 esac
 181                                 DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 182                                 [ "${DEVICE:+set}" != "set" ] && continue
 183                                 [ ${USERS:-no} != no ] && continue
 184                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 185                         done
 186                 `
 187
 188                 interfaces_virt_boot=`
 189                         for i in $ifcfg_files; do
 190                                 case ${i##*/} in
 191                                         ifcfg-macvtap*|ifcfg-macvlan*) ;;
 192                                         *) continue ;;
 193                                 esac
 194                                 DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 195                                 [ "${DEVICE:+set}" != "set" ] && continue
 196                                 [ ${USERS:-no} != no ] && continue
 197                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 198                         done
 199                 `
 200
 201                 interfaces_sit_boot=`
 202                         for i in $ifcfg_files; do
 203                                 case ${i##*/} in
 204                                         ifcfg-sit*) ;;
 205                                         *) continue ;;
 206                                 esac
 207                                 DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 208                                 [ "${DEVICE:+set}" != "set" ] && continue
 209                                 [ ${USERS:-no} != no ] && continue
 210                                 [ ${ONBOOT:-no} = yes ] && echo "${i##*/ifcfg-}"
 211                         done
 212                 `
 213         fi
 214
 215         tunnels=$(
 216                 for i in $(network_interface_configs 'tnlcfg-*'); do
 217                         DEVICE=""; ONBOOT=""; USERS=""; . "$i" 2>/dev/null
 218                         [ "${DEVICE:+set}" != "set" ] && continue
 219                         [ ${USERS:-no} != no ] && continue
 220                         [ ${ONBOOT:-no} = yes ] && echo "${i##*/tnlcfg-}"
 221                 done
 222         )
 223 }
 224
 225 start() {
 226         rc_splash "bootnetwork start"
 227         network_init
 228
 229         for i in $interfaces_boot $interfaces_vlan_boot $interfaces_sit_boot; do
 230                 run_cmd -a "$(nls 'Bringing up interface %s' "$i")" /sbin/ifup $i boot
 231         done
 232
 233         for i in $interfaces_br_boot ; do
 234                 run_cmd -a "$(nls 'Bringing up bridge interface %s' "$i")" /sbin/ifup $i boot
 235         done
 236
 237         for i in $interfaces_virt_boot ; do
 238                 run_cmd -a "$(nls 'Bringing up virtual interface %s' "$i")" /sbin/ifup $i boot
 239         done
 240
 241         for i in $tunnels; do
 242                 run_cmd -a "$(nls 'Setting tunnel %s' "$i")" /sbin/tnlup $i boot
 243                 run_cmd -a "$(nls 'Bringing up tunnel interface %s' "$i")" /sbin/ifup tnlcfg-$i boot
 244         done
 245
 246         network_postinit
 247
 248         touch /var/lock/subsys/network
 249 }
 250
 251 stop() {
 252         # If we go to runlevel 0, 1 or 6 then umount all network fs
 253         if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then
 254                 if [ -x /etc/rc.d/init.d/netfs -a -f /var/lock/subsys/netfs ];
 255                 then
 256                         /etc/rc.d/init.d/netfs stop
 257                 fi
 258         fi
 259
 260         for i in $tunnels; do
 261                 run_cmd -a "$(nls 'Shutting down tunnel interface %s' "$i")" /sbin/ifdown tnlcfg-$i boot
 262                 run_cmd -a "$(nls 'Removing tunnel %s' "$i")" /sbin/tnldown $i boot
 263         done
 264
 265         for i in $interfaces_virt_boot ; do
 266                 run_cmd -a "$(nls 'Shutting down virtual interface %s' "$i")" /sbin/ifup $i boot
 267         done
 268
 269         for i in $interfaces_br_boot ; do
 270                 run_cmd -a "$(nls 'Shutting down bridge interface %s' "$i")" /sbin/ifdown $i boot
 271         done
 272
 273         for i in $interfaces_sit_boot $interfaces_vlan_boot $interfaces_boot ; do
 274                 run_cmd -a "$(nls 'Shutting down interface %s' "$i")" /sbin/ifdown $i boot
 275         done
 276
 277         network_deinit
 278
 279         rm -f /var/lock/subsys/network >/dev/null 2>&1
 280 }
 281
 282 # Reload all active interfaces
 283 reload() {
 284         if [ ! -f /var/lock/subsys/network ]; then
 285                 msg_not_running network
 286                 RETVAL=7
 287                 return
 288         fi
 289
 290         set_dhcpclient
 291
 292         # if no DHCP client found we can't reload anything
 293         if [ -z "$DHCP_CLIENT" ]; then
 294                 return
 295         fi
 296
 297         local DHCP_ARGS
 298         case ${DHCP_CLIENT##*/} in
 299 #         pump)
 300 #               DHCP_ARGS=""
 301 #               ;;
 302           dhcpcd)
 303                 DHCP_ARGS="-n"
 304                 ;;
 305 #         dhcpxd)
 306 #               DHCP_ARGS=""
 307 #               ;;
 308 #         dhclient)
 309 #               DHCP_ARGS=""
 310 #               ;;
 311           *)
 312                 echo "Reloading using $DHCP_CLIENT DHCP Client is not implmemented in rc-scripts"
 313                 RETVAL=1
 314                 return
 315                 ;;
 316         esac
 317
 318         # for IPv4 DHCP interfaces send signal to refresh interface
 319         local dev devs=${*:-$(/sbin/ip link show | awk -F: '/UP/{print $2}')}
 320         for dev in $devs; do
 321                 if [ ! -f /etc/sysconfig/interfaces/ifcfg-$dev ]; then
 322                         continue
 323                 fi
 324                 . /etc/sysconfig/interfaces/ifcfg-$dev
 325
 326                 if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" -a "$BOOTPROTO" != "static" ] && is_yes "$IPV4_NETWORKING"; then
 327                         case ${DHCP_CLIENT##*/} in
 328                           pump)
 329                                 DHCP_ARGS="$DHCP_ARGS -i $DEVICE"
 330                                 ;;
 331                           dhcpcd)
 332                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 333                                 ;;
 334                           dhcpxd)
 335                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 336                                 ;;
 337                           dhclient)
 338                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 339                                 ;;
 340                         esac
 341                         DHCP_ARGS="$DHCP_OPTIONS $DHCP_ARGS"
 342
 343                         show 'Reloading interface %s' $dev
 344                         if $DHCP_CLIENT $DHCP_ARGS; then
 345                                 ok
 346                         else
 347                                 fail
 348                         fi
 349                 fi
 350         done
 351
 352 }
 353
 354 find_boot_interfaces
 355
 356 # See how we were called.
 357 case "$1" in
 358   start)
 359         if is_yes "$VSERVER_ISOLATION_NET"; then
 360                 touch /var/lock/subsys/network
 361         else
 362                 start
 363         fi
 364         ;;
 365   start_init)
 366         network_init
 367         ;;
 368   start_postinit)
 369         network_postinit
 370         touch /var/lock/subsys/network
 371         ;;
 372   stop_deinit)
 373         network_deinit
 374         rm -f /var/lock/subsys/network
 375         ;;
 376   stop)
 377         if is_yes "$VSERVER_ISOLATION_NET"; then
 378                 rm -f /var/lock/subsys/network >/dev/null 2>&1
 379         else
 380                 stop
 381         fi
 382         ;;
 383
 384   status)
 385         nls "Configured devices:"
 386         echo "lo $interfaces"
 387         nls "Configured tunnels:"
 388         echo "$tunnels"
 389         echo
 390         nls "Currently inactive devices and tunnels:"
 391         /sbin/ip link show | awk -F":" '(/^[0-90-90-9]:/) && ! (/UP/) { print $2 }' | xargs
 392         nls "Currently active devices and tunnels:"
 393         /sbin/ip link show | awk -F":" ' (/UP/) { print $2 }' | xargs
 394         ;;
 395
 396   reload)
 397         if is_yes "$VSERVER_ISOLATION_NET"; then
 398                 exit 0
 399         fi
 400         shift
 401         reload ${1:+"$@"}
 402         ;;
 403
 404   restart)
 405         if is_yes "$VSERVER_ISOLATION_NET"; then
 406                 exit 0
 407         fi
 408
 409         stop
 410         start
 411         ;;
 412
 413   *)
 414         msg_usage "$0 {start|stop|reload|restart|status}"
 415         exit 3
 416 esac
 417
 418 exit 0