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