src/initscripts/networking/red

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin
   4 #
   5 # Description : RED Device Script
   6 #
   7 # Authors     : Michael Tremer - mitch@ipfire.org
   8 #               Maniacikarus - maniacikarus@ipfire.org
   9 # Inspired by : Nathan Coulson - nathan@linuxfromscratch.org
  10 #               Kevin P. Fleming - kpfleming@linuxfromscratch.org
  11 #
  12 # Version     : 01.00
  13 #
  14 # Notes       :
  15 #
  16 ########################################################################
  17
  18 . /etc/sysconfig/rc
  19 . ${rc_functions}
  20 . /etc/init.d/networking/functions.network
  21
  22 #Define some defaults
  23 INET_VLAN=7
  24 IPTV_VLAN=8
  25 ATM_DEV=0
  26
  27 eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
  28 if [ "$RRDLOG" == "" ]; then
  29         RRDLOG=/var/log/rrd
  30 fi
  31
  32 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  33 eval $(/usr/local/bin/readhash /var/ipfire/dns/settings)
  34 eval $(/usr/local/bin/readhash /var/ipfire/mac/settings)
  35
  36 MAC=$(tr - : <<<$MAC)
  37 MAC1=$(tr - : <<<$MAC1)
  38 MAC2=$(tr - : <<<$MAC2)
  39
  40 TYPE="${RED_TYPE}"
  41 DEVICE="${RED_DEV}"
  42
  43 if [ "$TYPE" == "STATIC" ] || [ "$TYPE" == "DHCP" ]; then
  44         if [ "$DEVICE" == "" ]; then
  45                 boot_mesg "No device for red network. Please run setup." ${FAILURE}
  46                 echo_failure
  47                 [ "${1}" == "start" ] && exit 0
  48         fi
  49 fi
  50
  51 if [ "${TYPE}" == "STATIC" ]; then
  52         if [ "${DEVICE}" != "${GREEN_DEV}" ]; then
  53                 ADDRESS="${RED_ADDRESS}"
  54                 BROADCAST="${RED_BROADCAST}"
  55                 NETADDRESS="${RED_NETADDRESS}"
  56                 NETMASK="${RED_NETMASK}"
  57                 MTU="${RED_MTU}"
  58         else
  59                 ADDRESS="${GREEN_ADDRESS}"
  60                 BROADCAST="${GREEN_BROADCAST}"
  61                 NETADDRESS="${GREEN_NETADDRESS}"
  62                 NETMASK="${GREEN_NETMASK}"
  63                 MTU="${GREEN_MTU}"
  64         fi
  65         GATEWAY="${DEFAULT_GATEWAY}"
  66         # DNS1
  67         # DNS2
  68
  69         if [ -z "${BROADCAST}" ]; then
  70                 boot_mesg "BROADCAST variable missing, cannot continue." ${FAILURE}
  71                 echo_failure
  72                 exit 1
  73         fi
  74         if [ -n "${ADDRESS}" -a -n "${NETMASK}" ]; then
  75                 PREFIX=`whatmask ${NETMASK} | grep -e ^CIDR | awk -F': ' '{ print $2 }' | cut -c 2-`
  76                 args="${args} ${ADDRESS}/${PREFIX} broadcast ${BROADCAST}"
  77         else
  78                 boot_mesg "ADDRESS and/or NETMASK variable missing from input, cannot continue." ${FAILURE}
  79                 echo_failure
  80                 exit 1
  81         fi
  82 fi
  83
  84 case "${1}" in
  85         start)
  86                 if [ "${DEVICE}" != "${GREEN_DEV}" ] && [ "${DEVICE}" != "" ]; then
  87                         boot_mesg "Bringing up the ${DEVICE} interface..."
  88                         boot_mesg_flush
  89                         # Check if an interface is there...
  90                         if ip link show ${DEVICE} > /dev/null 2>&1; then
  91                                 link_status=`ip link show ${DEVICE} 2> /dev/null`
  92                                 if [ -n "${link_status}" ]; then
  93                                         if ! echo "${link_status}" | grep -q UP; then
  94                                                 if [ -n "$MAC" ]; then
  95                                                         boot_mesg "Setting mac address on ${DEVICE} to ${MAC}"
  96                                                         ip link set dev ${DEVICE} address ${MAC}
  97                                                         evaluate_retval
  98                                                 fi
  99                                                 ip link set ${DEVICE} up
 100                                         fi
 101                                 fi
 102                         else
 103                                 boot_mesg "Interface ${DEVICE} doesn't exist." ${FAILURE}
 104                                 echo_failure
 105                                 exit 1
 106                         fi
 107                 fi
 108
 109                 ## Create & Enable vnstat
 110                 /usr/bin/vnstat -u -i ${DEVICE} -r --enable --force > /dev/null 2>&1
 111
 112                 if [ "${TYPE}" == "STATIC" ]; then
 113                         # Set the MTU
 114                         if [ -n "${MTU}" ]; then
 115                                 if ! ip link set dev "${DEVICE}" mtu "${MTU}" &>/dev/null; then
 116                                         boot_mesg "Could not set MTU of ${MTU} to ${DEVICE}..."
 117                                         echo_warning
 118                                 fi
 119                         fi
 120
 121                         if [ "$DEVICE" != "${GREEN_DEV}" ]; then
 122                                 boot_mesg "Adding IPv4 address ${ADDRESS} to the ${DEVICE} interface..."
 123                                 ip addr add ${args} dev ${DEVICE}
 124                                 evaluate_retval
 125                         fi
 126                         echo -n "${DEVICE}" > /var/ipfire/red/iface
 127                         echo -n "${ADDRESS}"  > /var/ipfire/red/local-ipaddress
 128                         echo -n "${GATEWAY}" > /var/ipfire/red/remote-ipaddress
 129                         grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
 130                         echo "$GATEWAY  gateway"  >> /tmp/hosts
 131                         mv /tmp/hosts /etc/hosts
 132                         touch /var/ipfire/red/active
 133
 134                         # Create route to default gateway
 135                         ip route add ${GATEWAY} dev ${DEVICE}
 136
 137                         boot_mesg "Setting up default gateway ${GATEWAY}..."
 138                         ip route add default via ${GATEWAY} dev ${DEVICE}
 139                         evaluate_retval
 140
 141                         if [ -d "/sys/class/net/${DEVICE}" ]; then
 142                                 # has carrier ?
 143                                 if [ ! "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 144                                         boot_mesg -n "Wait for carrier on ${DEVICE} "
 145                                         for (( i=30; i>1; i-- )) do
 146                                                 if [ "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 147                                                         break;
 148                                                 fi
 149                                                 boot_mesg -n "."
 150                                                 sleep 2
 151                                         done
 152                                         boot_mesg ""
 153                                         if [ ! "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 154                                                 echo_failure
 155                                         else
 156                                                 echo_ok
 157                                         fi
 158                                 fi
 159                         fi
 160
 161                         run_subdir ${rc_base}/init.d/networking/red.up/
 162
 163                         # Configure aliases only if red static
 164                         /usr/local/bin/setaliases
 165
 166                 elif [ "${TYPE}" == "DHCP" ]; then
 167                         # Add firewall rules to allow comunication with the dhcp server on red.
 168                         iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 169                         iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 170
 171                         echo -n "${DEVICE}" > /var/ipfire/red/iface
 172
 173                         # Check if the wlan-client is used on red.
 174                         # To determine this we check if a wpa_supplicant is running.
 175                         pid="$(pidof wpa_supplicant)"
 176
 177                         if [ -z "${pid}" ]; then
 178                                 # No wpa_supplicant is running. So it's save to start dhcpcd.
 179                                 dhcpcd_start "${DEVICE}"
 180                         fi
 181
 182                         ## Create & Enable vnstat
 183                         /usr/bin/vnstat -u -i ${DEVICE} -r --enable --force > /dev/null 2>&1
 184
 185                 elif [ "$TYPE" == "PPPOE" ]; then
 186
 187                         if ( ps ax | grep -q [p]ppd ); then
 188                             boot_mesg "pppd is still running." ${FAILURE}
 189                             echo_failure
 190                             exit 1
 191                         fi
 192
 193                         eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
 194
 195                         [ -c "/dev/ppp" ] || mknod /dev/ppp c 108 0
 196
 197                         # We force the plugin method, anyway.
 198                         METHOD="PPPOE_PLUGIN"
 199
 200                         PPP_NIC=${DEVICE}
 201
 202
 203                         if [ "$TYPE" == "pppoeatm" ] || [ "$TYPE" == "pptpatm" ]; then
 204                                 PPP_NIC=nas${ATM_DEV}
 205                                 DEVICE=nas${ATM_DEV}
 206                                 boot_mesg "Creating ATM-Bridge as $PPP_NIC ..."
 207                                 br2684ctl -c${ATM_DEV} -e${ENCAP} -a${ATM_DEV}.${VPI}.${VCI} >/dev/null 2>&1 &
 208                                 sleep 1
 209
 210                                 # use user-defined or green mac address for nas0
 211                                 if [ -n "$MAC" ]; then
 212                                         ip link set dev nas${ATM_DEV} address ${MAC}
 213                                 else
 214                                         ip link set dev nas${ATM_DEV} address $(cat /sys/class/net/green0/address)
 215                                 fi
 216
 217                                 if [ "$TYPE" == "pppoeatm" ]; then
 218                                         TYPE="pppoe"
 219                                 fi
 220                                 if [ "$TYPE" == "pptpatm" ]; then
 221                                         TYPE="pptp"
 222                                 fi
 223                         fi
 224
 225                         if [ "$TYPE" == "vdsl" ]; then
 226                                 boot_mesg "Creating VLAN Interface ${DEVICE}.${INET_VLAN} ..."
 227                                 modprobe 8021q
 228                                 vconfig add ${DEVICE} ${INET_VLAN}
 229                                 if [ -n "$MAC1" ]; then
 230                                         boot_mesg "Setting mac address on ${DEVICE}.${INET_VLAN} to ${MAC1}"
 231                                         ip link set dev ${DEVICE}.${INET_VLAN} address ${MAC1}
 232                                         evaluate_retval
 233                                 fi
 234                                 PPP_NIC=${DEVICE}.${INET_VLAN}
 235                                 sleep 0.2
 236                                 ip link set ${PPP_NIC} up
 237                                 TYPE="pppoe"
 238                         fi
 239                         if [ "${IPTV}" == "enable" ]; then
 240                                 PIDFILE="/var/run/dhcpcd/${DEVICE}.${IPTV_VLAN}.pid"
 241                                 LEASEINFO="/var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info"
 242                                 # Test to see if there is a stale pid file
 243                                 if [ -f "$PIDFILE" ]; then
 244                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 245                                         if [ $? != 0 ]; then
 246                                                 rm -f /var/run/dhcpcd/${DEVICE}.${IPTV_VLAN}.pid > /dev/null
 247                                         fi
 248                                 fi
 249
 250                                 if [ ! -f "$PIDFILE" ]; then
 251                                         boot_mesg "Creating VLAN Interface ${DEVICE}.${IPTV_VLAN} ..."
 252                                         modprobe 8021q
 253                                         vconfig add ${DEVICE} ${IPTV_VLAN}
 254                                         if [ -n "$MAC2" ]; then
 255                                                 boot_mesg "Setting mac address on ${DEVICE}.${IPTV_VLAN} to ${MAC2}"
 256                                                 ip link set dev ${DEVICE}.${IPTV_VLAN} address ${MAC2}
 257                                                 evaluate_retval
 258                                         fi
 259                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE}.${IPTV_VLAN} interface..."
 260                                         /sbin/dhcpcd ${DEVICE}.${IPTV_VLAN} ${DHCP_START} >/dev/null 2>&1
 261                                         RET="$?"
 262
 263                                         if [ "$RET" = "0" ]; then
 264                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info
 265                                                 echo ""
 266                                                 echo_ok
 267                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}.${IPTV_VLAN}:"
 268                                                 boot_mesg_flush
 269                                                 boot_mesg "           IP Address:      $ip_address"
 270                                                 boot_mesg_flush
 271                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 272                                                 boot_mesg_flush
 273                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 274                                                 boot_mesg_flush
 275                                                 boot_mesg "           Default Gateway: $routers"
 276                                                 boot_mesg_flush
 277                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 278                                                 boot_mesg_flush
 279
 280                                         else
 281                                                 echo ""
 282                                                 $(exit "$RET")
 283                                                 evaluate_retval
 284                                         fi
 285                                 fi
 286                         fi
 287                         if [ "$TYPE" == "pppoe" ] || [ "$TYPE" == "pptp" ]; then
 288                                 if [ "$PPP_NIC" == "" ]; then
 289                                         boot_mesg "No device for red interface given. Check netsetup or dialprofile!" ${FAILURE}
 290                                         echo_failure
 291                                         exit 0
 292                                 fi
 293                                 boot_mesg "Bringing up the $TYPE interface on $PPP_NIC ..."
 294                                 ip addr flush dev $PPP_NIC >/dev/null 2>&1
 295                                 if [ "$TYPE" == "pptp" ]; then
 296                                         if [ "$PPTP_NICCFG" == "dhcp" ]; then
 297                                                 # Test to see if there is a stale pid file
 298                                                 if [ -f "$PIDFILE" ]; then
 299                                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 300                                                         if [ $? != 0 ]; then
 301                                                                 rm -f /var/run/dhcpcd/${DEVICE}.pid > /dev/null
 302                                                         fi
 303                                                 fi
 304
 305                                                 if [ ! -f "$PIDFILE" ]; then
 306                                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE} interface..."
 307                                                         /sbin/dhcpcd ${DEVICE} ${DHCP_START} >/dev/null 2>&1
 308                                                         RET="$?"
 309
 310                                                         if [ "$RET" = "0" ]; then
 311                                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.info
 312                                                                 echo ""
 313                                                                 echo_ok
 314                                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}:"
 315                                                                 boot_mesg_flush
 316                                                                 boot_mesg "           IP Address:      $ip_address"
 317                                                                 boot_mesg_flush
 318                                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 319                                                                 boot_mesg_flush
 320                                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 321                                                                 boot_mesg_flush
 322                                                                 boot_mesg "           Default Gateway: $routers"
 323                                                                 boot_mesg_flush
 324                                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 325                                                                 boot_mesg_flush
 326                                                                 /sbin/route add $PPTP_PEER gw $routers $PPP_NIC
 327                                                         else
 328                                                                 echo ""
 329                                                                 $(exit "$RET")
 330                                                                 evaluate_retval
 331                                                         fi
 332                                                 fi
 333                                         else
 334                                                 ip addr add $PPTP_NICCFG dev $PPP_NIC
 335                                         fi
 336                                 fi
 337                                 ip link set ${PPP_NIC} up
 338                                 if [ -n "${PPTP_ROUTE}" ]; then
 339                                         boot_mesg "Set route ${PPTP_ROUTE} to pptp server..."
 340                                         route add ${PPTP_ROUTE}
 341                                 fi
 342                         else
 343                                 boot_mesg "Bringing up the PPP via ${TYPE} on ${COMPORT}..."
 344                         fi
 345
 346                         ###                      ###
 347                         ### Configuring the pppd ###
 348                         ###                      ###
 349
 350                         ### Plugin Options
 351                         #
 352                         if [ "$TYPE" == "pppoe" ]; then
 353                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && \
 354                                         PLUGOPTS="plugin rp-pppoe.so"
 355                         fi
 356
 357                         ### Synchronous Mode
 358                         #
 359                         #PPPOE_SYNC=-s
 360                         #PPPD_SYNC=sync
 361
 362                         ### Access Concentrator Name
 363                         #
 364                         if [ -n "${CONCENTRATORNAME}" ]; then
 365                                 ACNAME="-C ${CONCENTRATORNAME}"
 366                         fi
 367
 368                         ### Service Name
 369                         #
 370                         if [ -n "${SERVICENAME}" ]; then
 371                                 if [ "${METHOD}" == "PPPOE_PLUGIN" ]; then
 372                                         PLUGOPTS+=" rp_pppoe_service ${SERVICENAME}"
 373                                 else
 374                                         SERVICENAME="-S ${SERVICENAME}"
 375                                 fi
 376                         fi
 377
 378                         ### Authentication Types
 379                         #
 380                         if [ "${AUTH}" == "pap" ]; then
 381                                 AUTH="-chap"
 382                         elif [ "${AUTH}" == "chap" ]; then
 383                                 AUTH="-pap"
 384                         else
 385                                 AUTH=""
 386                         fi
 387
 388                         ### Dial On Demand
 389                         #
 390                         if [ "${RECONNECTION}" != "persistent" ]; then
 391                                 if [ "${TIMEOUT}" != "0" ] && [ "${TIMEOUT}" != "" ]; then
 392                                         SECONDS=$[${TIMEOUT} * 60]
 393                                 else
 394                                         SECONDS=300
 395                                 fi
 396                                 if [ "${RECONNECTION}" == "dialondemand" ]; then
 397                                         touch /var/ipfire/red/dial-on-demand
 398                                         DEMAND="demand persist idle ${SECONDS} 10.112.112.112:10.112.112.113"
 399                                         DEMAND+=" ipcp-accept-remote ipcp-accept-local noipdefault ktune"
 400                                 fi
 401                         fi
 402
 403                         if [ "$TYPE" == "pppoe" ]; then
 404                                 ### When using pppoe-plugin the device has to be the last option
 405                                 #
 406                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && PLUGOPTS+=" $PPP_NIC"
 407                         fi
 408
 409                         if [ "$TYPE" == "modem" ]; then
 410                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /etc/ppp/dialer lock modem crtscts"
 411                                 METHOD="PPPOE_PLUGIN"
 412                         elif [ "$TYPE" == "serial" ]; then
 413                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /bin/true lock modem crtscts"
 414                                 METHOD="PPPOE_PLUGIN"
 415                         fi
 416
 417                         ### Standard PPP options we always use
 418                         #
 419                         PPP_STD_OPTIONS="$PLUGOPTS usepeerdns defaultroute noipdefault noauth"
 420                         PPP_STD_OPTIONS+=" default-asyncmap hide-password nodetach"
 421                         PPP_STD_OPTIONS+=" noaccomp nodeflate nopcomp novj novjccomp"
 422                         PPP_STD_OPTIONS+=" nobsdcomp user ${USERNAME} lcp-echo-interval 20"
 423                         PPP_STD_OPTIONS+=" lcp-echo-failure 5 ${AUTH}"
 424
 425                         if [ -n "${MTU}" ]; then
 426                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mtu ${MTU}"
 427                         fi
 428
 429                         if [ -n "${MRU}" ]; then
 430                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mru ${MRU}"
 431                         fi
 432
 433                         ### Debugging
 434                         #
 435                         if [ "${DEBUG}" == "on" ]; then
 436                                 DEBUG="debug"
 437                         else
 438                                 DEBUG=""
 439                         fi
 440
 441                         ### PPPoE invocation
 442                         #
 443                         if [ "$TYPE" == "pppoe" ]; then
 444                                 PPPOE_CMD="/usr/sbin/pppoe -p /var/run/ppp-ipfire.pid.pppoe -I $PPP_NIC"
 445                                 PPPOE_CMD+=" -T 80 -U $PPPOE_SYNC $ACNAME $SERVICENAMEOPT"
 446                         fi
 447
 448                         ### PPTP ###
 449                         #
 450                         if [ "$TYPE" == "pptp" ]; then
 451                                 PPPOE_CMD="pptp $PPTP_PEER --nolaunchpppd"
 452                                 METHOD=""
 453                         fi
 454
 455                         ### Run everything
 456                         #
 457                         if [ "$METHOD" == "PPPOE_PLUGIN" ]; then
 458                                 /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND >/dev/null 2>&1 &
 459                                 evaluate_retval
 460                                 # echo PLUGIN: /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND
 461                         else
 462                                 /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC >/dev/null 2>&1 &
 463                                 evaluate_retval
 464                                 # echo PPP: /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC
 465                         fi
 466                         ## Create & Enable vnstat
 467                         /usr/bin/vnstat -u -i ppp0 -r --enable --force > /dev/null 2>&1
 468                         /etc/rc.d/init.d/connectd start
 469                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 470                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 471                                 $(date +%s):: > /dev/null 2>&1
 472                         exit 0
 473                 fi
 474                 ;;
 475
 476         stop)
 477                 rm -f /var/ipfire/red/{active,device,dial-on-demand,dns1,dns2,local-ipaddress,remote-ipaddress,resolv.conf}
 478
 479                 if [ "$TYPE" == "STATIC" ]; then
 480                         boot_mesg "Stopping default gateway ${GATEWAY}..."
 481                         ip route del default via ${GATEWAY} >/dev/null 2>&1
 482                         echo_ok
 483                         if [ "$DEVICE" != "${GREEN_DEV}" ]; then
 484                                 boot_mesg "Removing IPv4 addresses from the ${DEVICE} interface..."
 485                                 ip addr flush dev ${DEVICE}
 486                                 evaluate_retval
 487                         fi
 488                         run_subdir ${rc_base}/init.d/networking/red.down/
 489
 490                 elif [ "$TYPE" == "PPPOE" ]; then
 491                         boot_mesg "Bringing down the PPP interface ..."
 492                         ## Disable vnstat collection
 493                         /usr/bin/vnstat -u -i ppp0 -r --disable > /dev/null 2>&1
 494                         rm -f /var/ipfire/red/keepconnected
 495                         killall -w -s TERM /usr/sbin/pppd 2>/dev/null
 496                         evaluate_retval
 497                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 498                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 499                                 $(date +%s):: > /dev/null 2>&1
 500
 501                 elif [ "$TYPE" == "DHCP" ]; then
 502                         # Check if the wlan-client is used on red.
 503                         # To determine this we check if a wpa_supplicant is running.
 504                         pid="$(pidof wpa_supplicant)"
 505
 506                         if [ -z "${pid}" ]; then
 507                                 # Stop dhcpcd.
 508                                 dhcpcd_stop "${DEVICE}"
 509                         fi
 510                 fi
 511
 512                 if [ -n "${PPTP_ROUTE}" ]; then
 513                         route del ${PPTP_ROUTE}
 514                 fi
 515
 516                 if [ "$DEVICE" != "${GREEN_DEV}" ] && [ "$DEVICE" != "" ]; then
 517                         link_status=`ip link show $DEVICE.${INET_VLAN} 2> /dev/null`
 518                         if [ -n "${link_status}" ]; then
 519                                 if echo "${link_status}" | grep -q UP; then
 520                                         boot_mesg "Bringing down the ${DEVICE}.${INET_VLAN} interface..."
 521                                         ip link set ${DEVICE}.${INET_VLAN} down
 522                                         vconfig rem ${DEVICE}.${INET_VLAN}
 523                                         evaluate_retval
 524                                 fi
 525                         else
 526                                 link_status=`ip link show $DEVICE 2> /dev/null`
 527                                 if [ -n "${link_status}" ]; then
 528                                         if echo "${link_status}" | grep -q UP; then
 529                                                 boot_mesg "Bringing down the ${DEVICE} interface..."
 530                                                 ip link set ${DEVICE} down
 531                                                 evaluate_retval
 532                                         fi
 533                                 fi
 534                         fi
 535                 fi
 536                 killall -w -s KILL /usr/sbin/pppd >/dev/null 2>&1
 537                 killall -w -s KILL pptp >/dev/null 2>&1
 538                 killall -w -s KILL br2684ctl >/dev/null 2>&1
 539
 540                 ## Disable vnstat collection
 541                 /usr/bin/vnstat -u -i ${DEVICE} -r --disable > /dev/null 2>&1
 542
 543                 exit 0;
 544                 ;;
 545 esac
 546
 547 # End