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="${RED_NETMASK}"
  57         else
  58                 ADDRESS="${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                         # Create route to default gateway
 128                         ip route add ${GATEWAY} dev ${DEVICE}
 129
 130                         boot_mesg "Setting up default gateway ${GATEWAY}..."
 131                         ip route add default via ${GATEWAY} dev ${DEVICE}
 132                         evaluate_retval
 133
 134                         run_subdir ${rc_base}/init.d/networking/red.up/
 135
 136                         # Configure aliases only if red static
 137                         /usr/local/bin/setaliases
 138
 139                 elif [ "${TYPE}" == "DHCP" ]; then
 140                         # Add firewall rules to allow comunication with the dhcp server on red.
 141                         iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 142                         iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 143
 144                         echo -n "${DEVICE}" > /var/ipfire/red/iface
 145
 146                         # Check if the wlan-client is used on red.
 147                         # To determine this we check if a wpa_supplicant is running.
 148                         pid="$(pidof wpa_supplicant)"
 149
 150                         if [ -z "${pid}" ]; then
 151                                 # No wpa_supplicant is running. So it's save to start dhcpcd.
 152                                 dhcpcd_start "${DEVICE}"
 153                         fi
 154
 155                         ## Create & Enable vnstat
 156                         /usr/bin/vnstat -u -i ${DEVICE} -r --enable --force > /dev/null 2>&1
 157
 158                 elif [ "$TYPE" == "PPPOE" ]; then
 159
 160                         if ( ps ax | grep -q [p]ppd ); then
 161                             boot_mesg "pppd is still running." ${FAILURE}
 162                             echo_failure
 163                             exit 1
 164                         fi
 165
 166                         eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
 167
 168                         [ -c "/dev/ppp" ] || mknod /dev/ppp c 108 0
 169
 170                         # We force the plugin method, anyway.
 171                         METHOD="PPPOE_PLUGIN"
 172
 173                         PPP_NIC=${DEVICE}
 174
 175
 176                         if [ "$TYPE" == "pppoeatm" ] || [ "$TYPE" == "pptpatm" ]; then
 177                                 PPP_NIC=nas${ATM_DEV}
 178                                 DEVICE=nas${ATM_DEV}
 179                                 boot_mesg "Creating ATM-Bridge as $PPP_NIC ..."
 180                                 br2684ctl -c${ATM_DEV} -e${ENCAP} -a${ATM_DEV}.${VPI}.${VCI} >/dev/null 2>&1 &
 181                                 sleep 1
 182
 183                                 # use user-defined or green mac address for nas0
 184                                 if [ -n "$MAC" ]; then
 185                                         ip link set dev nas${ATM_DEV} address ${MAC}
 186                                 else
 187                                         ip link set dev nas${ATM_DEV} address $(cat /sys/class/net/green0/address)
 188                                 fi
 189
 190                                 if [ "$TYPE" == "pppoeatm" ]; then
 191                                         TYPE="pppoe"
 192                                 fi
 193                                 if [ "$TYPE" == "pptpatm" ]; then
 194                                         TYPE="pptp"
 195                                 fi
 196                         fi
 197
 198                         if [ "$TYPE" == "vdsl" ]; then
 199                                 boot_mesg "Creating VLAN Interface ${DEVICE}.${INET_VLAN} ..."
 200                                 modprobe 8021q
 201                                 vconfig add ${DEVICE} ${INET_VLAN}
 202                                 if [ -n "$MAC1" ]; then
 203                                         boot_mesg "Setting mac address on ${DEVICE}.${INET_VLAN} to ${MAC1}"
 204                                         ip link set dev ${DEVICE}.${INET_VLAN} address ${MAC1}
 205                                         evaluate_retval
 206                                 fi
 207                                 PPP_NIC=${DEVICE}.${INET_VLAN}
 208                                 sleep 0.2
 209                                 ip link set ${PPP_NIC} up
 210                                 TYPE="pppoe"
 211                         fi
 212                         if [ "${IPTV}" == "enable" ]; then
 213                                 PIDFILE="/var/run/dhcpcd-${DEVICE}.${IPTV_VLAN}.pid"
 214                                 LEASEINFO="/var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info"
 215                                 # Test to see if there is a stale pid file
 216                                 if [ -f "$PIDFILE" ]; then
 217                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 218                                         if [ $? != 0 ]; then
 219                                                 rm -f /var/run/dhcpcd-${DEVICE}.${IPTV_VLAN}.pid > /dev/null
 220                                         fi
 221                                 fi
 222
 223                                 if [ ! -f "$PIDFILE" ]; then
 224                                         boot_mesg "Creating VLAN Interface ${DEVICE}.${IPTV_VLAN} ..."
 225                                         modprobe 8021q
 226                                         vconfig add ${DEVICE} ${IPTV_VLAN}
 227                                         if [ -n "$MAC2" ]; then
 228                                                 boot_mesg "Setting mac address on ${DEVICE}.${IPTV_VLAN} to ${MAC2}"
 229                                                 ip link set dev ${DEVICE}.${IPTV_VLAN} address ${MAC2}
 230                                                 evaluate_retval
 231                                         fi
 232                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE}.${IPTV_VLAN} interface..."
 233                                         /sbin/dhcpcd ${DEVICE}.${IPTV_VLAN} ${DHCP_START} >/dev/null 2>&1
 234                                         RET="$?"
 235
 236                                         if [ "$RET" = "0" ]; then
 237                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info
 238                                                 echo ""
 239                                                 echo_ok
 240                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}.${IPTV_VLAN}:"
 241                                                 boot_mesg_flush
 242                                                 boot_mesg "           IP Address:      $ip_address"
 243                                                 boot_mesg_flush
 244                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 245                                                 boot_mesg_flush
 246                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 247                                                 boot_mesg_flush
 248                                                 boot_mesg "           Default Gateway: $routers"
 249                                                 boot_mesg_flush
 250                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 251                                                 boot_mesg_flush
 252
 253                                         else
 254                                                 echo ""
 255                                                 $(exit "$RET")
 256                                                 evaluate_retval
 257                                         fi
 258                                 fi
 259                         fi
 260                         if [ "$TYPE" == "pppoe" ] || [ "$TYPE" == "pptp" ]; then
 261                                 if [ "$PPP_NIC" == "" ]; then
 262                                         boot_mesg "No device for red interface given. Check netsetup or dialprofile!" ${FAILURE}
 263                                         echo_failure
 264                                         exit 0
 265                                 fi
 266                                 boot_mesg "Bringing up the $TYPE interface on $PPP_NIC ..."
 267                                 ip addr flush dev $PPP_NIC >/dev/null 2>&1
 268                                 if [ "$TYPE" == "pptp" ]; then
 269                                         if [ "$PPTP_NICCFG" == "dhcp" ]; then
 270                                                 # Test to see if there is a stale pid file
 271                                                 if [ -f "$PIDFILE" ]; then
 272                                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 273                                                         if [ $? != 0 ]; then
 274                                                                 rm -f /var/run/dhcpcd-${DEVICE}.pid > /dev/null
 275                                                         fi
 276                                                 fi
 277
 278                                                 if [ ! -f "$PIDFILE" ]; then
 279                                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE} interface..."
 280                                                         /sbin/dhcpcd ${DEVICE} ${DHCP_START} >/dev/null 2>&1
 281                                                         RET="$?"
 282
 283                                                         if [ "$RET" = "0" ]; then
 284                                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.info
 285                                                                 echo ""
 286                                                                 echo_ok
 287                                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}:"
 288                                                                 boot_mesg_flush
 289                                                                 boot_mesg "           IP Address:      $ip_address"
 290                                                                 boot_mesg_flush
 291                                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 292                                                                 boot_mesg_flush
 293                                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 294                                                                 boot_mesg_flush
 295                                                                 boot_mesg "           Default Gateway: $routers"
 296                                                                 boot_mesg_flush
 297                                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 298                                                                 boot_mesg_flush
 299                                                                 /sbin/route add $PPTP_PEER gw $routers $PPP_NIC
 300                                                         else
 301                                                                 echo ""
 302                                                                 $(exit "$RET")
 303                                                                 evaluate_retval
 304                                                         fi
 305                                                 fi
 306                                         else
 307                                                 ip addr add $PPTP_NICCFG dev $PPP_NIC
 308                                         fi
 309                                 fi
 310                                 ip link set ${PPP_NIC} up
 311                                 if [ -n "${PPTP_ROUTE}" ]; then
 312                                         boot_mesg "Set route ${PPTP_ROUTE} to pptp server..."
 313                                         route add ${PPTP_ROUTE}
 314                                 fi
 315                         else
 316                                 boot_mesg "Bringing up the PPP via ${TYPE} on ${COMPORT}..."
 317                         fi
 318
 319                         ###                      ###
 320                         ### Configuring the pppd ###
 321                         ###                      ###
 322
 323                         ### Plugin Options
 324                         #
 325                         if [ "$TYPE" == "pppoe" ]; then
 326                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && \
 327                                         PLUGOPTS="plugin rp-pppoe.so"
 328                         fi
 329
 330                         ### Synchronous Mode
 331                         #
 332                         #PPPOE_SYNC=-s
 333                         #PPPD_SYNC=sync
 334
 335                         ### Access Concentrator Name
 336                         #
 337                         if [ -n "${CONCENTRATORNAME}" ]; then
 338                                 ACNAME="-C ${CONCENTRATORNAME}"
 339                         fi
 340
 341                         ### Service Name
 342                         #
 343                         if [ -n "${SERVICENAME}" ]; then
 344                                 if [ "${METHOD}" == "PPPOE_PLUGIN" ]; then
 345                                         PLUGOPTS+=" rp_pppoe_service ${SERVICENAME}"
 346                                 else
 347                                         SERVICENAME="-S ${SERVICENAME}"
 348                                 fi
 349                         fi
 350
 351                         ### Authentication Types
 352                         #
 353                         if [ "${AUTH}" == "pap" ]; then
 354                                 AUTH="-chap"
 355                         elif [ "${AUTH}" == "chap" ]; then
 356                                 AUTH="-pap"
 357                         else
 358                                 AUTH=""
 359                         fi
 360
 361                         ### DNS Config
 362                         #
 363                         if [ "${DNS}" == "Automatic" ]; then
 364                                 DNS="usepeerdns"
 365                         else
 366                                 DNS=""
 367                                 echo nameserver=$DNS1 > /etc/ppp/resolv.conf
 368                                 echo nameserver=$DNS2 >> /etc/ppp/resolv.conf
 369                         fi
 370
 371                         ### Dial On Demand
 372                         #
 373                         if [ "${RECONNECTION}" != "persistent" ]; then
 374                                 if [ "${TIMEOUT}" != "0" ] && [ "${TIMEOUT}" != "" ]; then
 375                                         SECONDS=$[${TIMEOUT} * 60]
 376                                 else
 377                                         SECONDS=300
 378                                 fi
 379                                 if [ "${RECONNECTION}" == "dialondemand" ]; then
 380                                         touch /var/ipfire/red/dial-on-demand
 381                                         DEMAND="demand persist idle ${SECONDS} 10.112.112.112:10.112.112.113"
 382                                         DEMAND+=" ipcp-accept-remote ipcp-accept-local noipdefault ktune"
 383                                 fi
 384                         fi
 385
 386                         if [ "$TYPE" == "pppoe" ]; then
 387                                 ### When using pppoe-plugin the device has to be the last option
 388                                 #
 389                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && PLUGOPTS+=" $PPP_NIC"
 390                         fi
 391
 392                         if [ "$TYPE" == "modem" ]; then
 393                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /etc/ppp/dialer lock modem crtscts"
 394                                 METHOD="PPPOE_PLUGIN"
 395                         elif [ "$TYPE" == "serial" ]; then
 396                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /bin/true lock modem crtscts"
 397                                 METHOD="PPPOE_PLUGIN"
 398                         fi
 399
 400                         ### Standard PPP options we always use
 401                         #
 402                         PPP_STD_OPTIONS="$PLUGOPTS $DNS defaultroute noipdefault noauth"
 403                         PPP_STD_OPTIONS+=" default-asyncmap hide-password nodetach"
 404                         PPP_STD_OPTIONS+=" noaccomp nodeflate nopcomp novj novjccomp"
 405                         PPP_STD_OPTIONS+=" nobsdcomp user ${USERNAME} lcp-echo-interval 20"
 406                         PPP_STD_OPTIONS+=" lcp-echo-failure 5 ${AUTH}"
 407
 408                         if [ -n "${MTU}" ]; then
 409                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mtu ${MTU}"
 410                         fi
 411
 412                         if [ -n "${MRU}" ]; then
 413                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mru ${MRU}"
 414                         fi
 415
 416                         ### Debugging
 417                         #
 418                         if [ "${DEBUG}" == "on" ]; then
 419                                 DEBUG="debug"
 420                         else
 421                                 DEBUG=""
 422                         fi
 423
 424                         ### PPPoE invocation
 425                         #
 426                         if [ "$TYPE" == "pppoe" ]; then
 427                                 PPPOE_CMD="/usr/sbin/pppoe -p /var/run/ppp-ipfire.pid.pppoe -I $PPP_NIC"
 428                                 PPPOE_CMD+=" -T 80 -U $PPPOE_SYNC $ACNAME $SERVICENAMEOPT"
 429                         fi
 430
 431                         ### PPTP ###
 432                         #
 433                         if [ "$TYPE" == "pptp" ]; then
 434                                 PPPOE_CMD="pptp $PPTP_PEER --nolaunchpppd"
 435                                 METHOD=""
 436                         fi
 437
 438                         ### Run everything
 439                         #
 440                         if [ "$METHOD" == "PPPOE_PLUGIN" ]; then
 441                                 /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND >/dev/null 2>&1 &
 442                                 evaluate_retval
 443                                 # echo PLUGIN: /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND
 444                         else
 445                                 /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC >/dev/null 2>&1 &
 446                                 evaluate_retval
 447                                 # echo PPP: /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC
 448                         fi
 449                         ## Create & Enable vnstat
 450                         /usr/bin/vnstat -u -i ppp0 -r --enable --force > /dev/null 2>&1
 451                         /etc/rc.d/init.d/connectd start
 452                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 453                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 454                                 $(date +%s):: > /dev/null 2>&1
 455                         exit 0
 456                 fi
 457                 ;;
 458
 459         stop)
 460                 if [ "$TYPE" == "STATIC" ]; then
 461                         boot_mesg "Stopping default gateway ${GATEWAY}..."
 462                         ip route del default via ${GATEWAY} >/dev/null 2>&1
 463                         echo_ok
 464                         if [ "$DEVICE" != "${GREEN_DEV}" ]; then
 465                                 boot_mesg "Removing IPv4 addresses from the ${DEVICE} interface..."
 466                                 ip addr flush dev ${DEVICE}
 467                                 evaluate_retval
 468                         fi
 469                         run_subdir ${rc_base}/init.d/networking/red.down/
 470
 471                 elif [ "$TYPE" == "PPPOE" ]; then
 472                         boot_mesg "Bringing down the PPP interface ..."
 473                         ## Disable vnstat collection
 474                         /usr/bin/vnstat -u -i ppp0 -r --disable > /dev/null 2>&1
 475                         rm -f /var/ipfire/red/keepconnected
 476                         killall -w -s TERM /usr/sbin/pppd 2>/dev/null
 477                         evaluate_retval
 478                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 479                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 480                                 $(date +%s):: > /dev/null 2>&1
 481
 482                 elif [ "$TYPE" == "DHCP" ]; then
 483                         # Check if the wlan-client is used on red.
 484                         # To determine this we check if a wpa_supplicant is running.
 485                         pid="$(pidof wpa_supplicant)"
 486
 487                         if [ -z "${pid}" ]; then
 488                                 # Stop dhcpcd.
 489                                 dhcpcd_stop "${DEVICE}"
 490                         fi
 491                 fi
 492
 493                 if [ -n "${PPTP_ROUTE}" ]; then
 494                         route del ${PPTP_ROUTE}
 495                 fi
 496
 497                 if [ "$DEVICE" != "${GREEN_DEV}" ] && [ "$DEVICE" != "" ]; then
 498                         link_status=`ip link show $DEVICE.${INET_VLAN} 2> /dev/null`
 499                         if [ -n "${link_status}" ]; then
 500                                 if echo "${link_status}" | grep -q UP; then
 501                                         boot_mesg "Bringing down the ${DEVICE}.${INET_VLAN} interface..."
 502                                         ip link set ${DEVICE}.${INET_VLAN} down
 503                                         vconfig rem ${DEVICE}.${INET_VLAN}
 504                                         evaluate_retval
 505                                 fi
 506                         else
 507                                 link_status=`ip link show $DEVICE 2> /dev/null`
 508                                 if [ -n "${link_status}" ]; then
 509                                         if echo "${link_status}" | grep -q UP; then
 510                                                 boot_mesg "Bringing down the ${DEVICE} interface..."
 511                                                 ip link set ${DEVICE} down
 512                                                 evaluate_retval
 513                                         fi
 514                                 fi
 515                         fi
 516                 fi
 517                 killall -w -s KILL /usr/sbin/pppd >/dev/null 2>&1
 518                 killall -w -s KILL pptp >/dev/null 2>&1
 519                 killall -w -s KILL br2684ctl >/dev/null 2>&1
 520
 521                 ## Disable vnstat collection
 522                 /usr/bin/vnstat -u -i ${DEVICE} -r --disable > /dev/null 2>&1
 523
 524                 rm -f /var/ipfire/red/{active,device,dial-on-demand,dns1,dns2,local-ipaddress,remote-ipaddress,resolv.conf}
 525                 exit 0;
 526                 ;;
 527 esac
 528
 529 # End