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 ${DEVICE}
 132                         evaluate_retval
 133
 134                         # has carrier ?
 135                         if [ ! "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 136                                 boot_mesg -n "Wait for carrier on ${DEVICE} "
 137                                 for (( i=30; i>1; i-- )) do
 138                                         if [ "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 139                                                 break;
 140                                         fi
 141                                         boot_mesg -n "."
 142                                         sleep 2
 143                                 done
 144                                 boot_mesg ""
 145                                 if [ ! "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 146                                         echo_failure
 147                                 else
 148                                         echo_ok
 149                                 fi
 150                         fi
 151
 152                         run_subdir ${rc_base}/init.d/networking/red.up/
 153
 154                         # Configure aliases only if red static
 155                         /usr/local/bin/setaliases
 156
 157                 elif [ "${TYPE}" == "DHCP" ]; then
 158                         # Add firewall rules to allow comunication with the dhcp server on red.
 159                         iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 160                         iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 161
 162                         echo -n "${DEVICE}" > /var/ipfire/red/iface
 163
 164                         # Check if the wlan-client is used on red.
 165                         # To determine this we check if a wpa_supplicant is running.
 166                         pid="$(pidof wpa_supplicant)"
 167
 168                         if [ -z "${pid}" ]; then
 169                                 # No wpa_supplicant is running. So it's save to start dhcpcd.
 170                                 dhcpcd_start "${DEVICE}"
 171                         fi
 172
 173                         ## Create & Enable vnstat
 174                         /usr/bin/vnstat -u -i ${DEVICE} -r --enable --force > /dev/null 2>&1
 175
 176                 elif [ "$TYPE" == "PPPOE" ]; then
 177
 178                         if ( ps ax | grep -q [p]ppd ); then
 179                             boot_mesg "pppd is still running." ${FAILURE}
 180                             echo_failure
 181                             exit 1
 182                         fi
 183
 184                         eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
 185
 186                         [ -c "/dev/ppp" ] || mknod /dev/ppp c 108 0
 187
 188                         # We force the plugin method, anyway.
 189                         METHOD="PPPOE_PLUGIN"
 190
 191                         PPP_NIC=${DEVICE}
 192
 193
 194                         if [ "$TYPE" == "pppoeatm" ] || [ "$TYPE" == "pptpatm" ]; then
 195                                 PPP_NIC=nas${ATM_DEV}
 196                                 DEVICE=nas${ATM_DEV}
 197                                 boot_mesg "Creating ATM-Bridge as $PPP_NIC ..."
 198                                 br2684ctl -c${ATM_DEV} -e${ENCAP} -a${ATM_DEV}.${VPI}.${VCI} >/dev/null 2>&1 &
 199                                 sleep 1
 200
 201                                 # use user-defined or green mac address for nas0
 202                                 if [ -n "$MAC" ]; then
 203                                         ip link set dev nas${ATM_DEV} address ${MAC}
 204                                 else
 205                                         ip link set dev nas${ATM_DEV} address $(cat /sys/class/net/green0/address)
 206                                 fi
 207
 208                                 if [ "$TYPE" == "pppoeatm" ]; then
 209                                         TYPE="pppoe"
 210                                 fi
 211                                 if [ "$TYPE" == "pptpatm" ]; then
 212                                         TYPE="pptp"
 213                                 fi
 214                         fi
 215
 216                         if [ "$TYPE" == "vdsl" ]; then
 217                                 boot_mesg "Creating VLAN Interface ${DEVICE}.${INET_VLAN} ..."
 218                                 modprobe 8021q
 219                                 vconfig add ${DEVICE} ${INET_VLAN}
 220                                 if [ -n "$MAC1" ]; then
 221                                         boot_mesg "Setting mac address on ${DEVICE}.${INET_VLAN} to ${MAC1}"
 222                                         ip link set dev ${DEVICE}.${INET_VLAN} address ${MAC1}
 223                                         evaluate_retval
 224                                 fi
 225                                 PPP_NIC=${DEVICE}.${INET_VLAN}
 226                                 sleep 0.2
 227                                 ip link set ${PPP_NIC} up
 228                                 TYPE="pppoe"
 229                         fi
 230                         if [ "${IPTV}" == "enable" ]; then
 231                                 PIDFILE="/var/run/dhcpcd-${DEVICE}.${IPTV_VLAN}.pid"
 232                                 LEASEINFO="/var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info"
 233                                 # Test to see if there is a stale pid file
 234                                 if [ -f "$PIDFILE" ]; then
 235                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 236                                         if [ $? != 0 ]; then
 237                                                 rm -f /var/run/dhcpcd-${DEVICE}.${IPTV_VLAN}.pid > /dev/null
 238                                         fi
 239                                 fi
 240
 241                                 if [ ! -f "$PIDFILE" ]; then
 242                                         boot_mesg "Creating VLAN Interface ${DEVICE}.${IPTV_VLAN} ..."
 243                                         modprobe 8021q
 244                                         vconfig add ${DEVICE} ${IPTV_VLAN}
 245                                         if [ -n "$MAC2" ]; then
 246                                                 boot_mesg "Setting mac address on ${DEVICE}.${IPTV_VLAN} to ${MAC2}"
 247                                                 ip link set dev ${DEVICE}.${IPTV_VLAN} address ${MAC2}
 248                                                 evaluate_retval
 249                                         fi
 250                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE}.${IPTV_VLAN} interface..."
 251                                         /sbin/dhcpcd ${DEVICE}.${IPTV_VLAN} ${DHCP_START} >/dev/null 2>&1
 252                                         RET="$?"
 253
 254                                         if [ "$RET" = "0" ]; then
 255                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info
 256                                                 echo ""
 257                                                 echo_ok
 258                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}.${IPTV_VLAN}:"
 259                                                 boot_mesg_flush
 260                                                 boot_mesg "           IP Address:      $ip_address"
 261                                                 boot_mesg_flush
 262                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 263                                                 boot_mesg_flush
 264                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 265                                                 boot_mesg_flush
 266                                                 boot_mesg "           Default Gateway: $routers"
 267                                                 boot_mesg_flush
 268                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 269                                                 boot_mesg_flush
 270
 271                                         else
 272                                                 echo ""
 273                                                 $(exit "$RET")
 274                                                 evaluate_retval
 275                                         fi
 276                                 fi
 277                         fi
 278                         if [ "$TYPE" == "pppoe" ] || [ "$TYPE" == "pptp" ]; then
 279                                 if [ "$PPP_NIC" == "" ]; then
 280                                         boot_mesg "No device for red interface given. Check netsetup or dialprofile!" ${FAILURE}
 281                                         echo_failure
 282                                         exit 0
 283                                 fi
 284                                 boot_mesg "Bringing up the $TYPE interface on $PPP_NIC ..."
 285                                 ip addr flush dev $PPP_NIC >/dev/null 2>&1
 286                                 if [ "$TYPE" == "pptp" ]; then
 287                                         if [ "$PPTP_NICCFG" == "dhcp" ]; then
 288                                                 # Test to see if there is a stale pid file
 289                                                 if [ -f "$PIDFILE" ]; then
 290                                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 291                                                         if [ $? != 0 ]; then
 292                                                                 rm -f /var/run/dhcpcd-${DEVICE}.pid > /dev/null
 293                                                         fi
 294                                                 fi
 295
 296                                                 if [ ! -f "$PIDFILE" ]; then
 297                                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE} interface..."
 298                                                         /sbin/dhcpcd ${DEVICE} ${DHCP_START} >/dev/null 2>&1
 299                                                         RET="$?"
 300
 301                                                         if [ "$RET" = "0" ]; then
 302                                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.info
 303                                                                 echo ""
 304                                                                 echo_ok
 305                                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}:"
 306                                                                 boot_mesg_flush
 307                                                                 boot_mesg "           IP Address:      $ip_address"
 308                                                                 boot_mesg_flush
 309                                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 310                                                                 boot_mesg_flush
 311                                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 312                                                                 boot_mesg_flush
 313                                                                 boot_mesg "           Default Gateway: $routers"
 314                                                                 boot_mesg_flush
 315                                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 316                                                                 boot_mesg_flush
 317                                                                 /sbin/route add $PPTP_PEER gw $routers $PPP_NIC
 318                                                         else
 319                                                                 echo ""
 320                                                                 $(exit "$RET")
 321                                                                 evaluate_retval
 322                                                         fi
 323                                                 fi
 324                                         else
 325                                                 ip addr add $PPTP_NICCFG dev $PPP_NIC
 326                                         fi
 327                                 fi
 328                                 ip link set ${PPP_NIC} up
 329                                 if [ -n "${PPTP_ROUTE}" ]; then
 330                                         boot_mesg "Set route ${PPTP_ROUTE} to pptp server..."
 331                                         route add ${PPTP_ROUTE}
 332                                 fi
 333                         else
 334                                 boot_mesg "Bringing up the PPP via ${TYPE} on ${COMPORT}..."
 335                         fi
 336
 337                         ###                      ###
 338                         ### Configuring the pppd ###
 339                         ###                      ###
 340
 341                         ### Plugin Options
 342                         #
 343                         if [ "$TYPE" == "pppoe" ]; then
 344                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && \
 345                                         PLUGOPTS="plugin rp-pppoe.so"
 346                         fi
 347
 348                         ### Synchronous Mode
 349                         #
 350                         #PPPOE_SYNC=-s
 351                         #PPPD_SYNC=sync
 352
 353                         ### Access Concentrator Name
 354                         #
 355                         if [ -n "${CONCENTRATORNAME}" ]; then
 356                                 ACNAME="-C ${CONCENTRATORNAME}"
 357                         fi
 358
 359                         ### Service Name
 360                         #
 361                         if [ -n "${SERVICENAME}" ]; then
 362                                 if [ "${METHOD}" == "PPPOE_PLUGIN" ]; then
 363                                         PLUGOPTS+=" rp_pppoe_service ${SERVICENAME}"
 364                                 else
 365                                         SERVICENAME="-S ${SERVICENAME}"
 366                                 fi
 367                         fi
 368
 369                         ### Authentication Types
 370                         #
 371                         if [ "${AUTH}" == "pap" ]; then
 372                                 AUTH="-chap"
 373                         elif [ "${AUTH}" == "chap" ]; then
 374                                 AUTH="-pap"
 375                         else
 376                                 AUTH=""
 377                         fi
 378
 379                         ### DNS Config
 380                         #
 381                         if [ "${DNS}" == "Automatic" ]; then
 382                                 DNS="usepeerdns"
 383                         else
 384                                 DNS=""
 385                                 echo nameserver=$DNS1 > /etc/ppp/resolv.conf
 386                                 echo nameserver=$DNS2 >> /etc/ppp/resolv.conf
 387                         fi
 388
 389                         ### Dial On Demand
 390                         #
 391                         if [ "${RECONNECTION}" != "persistent" ]; then
 392                                 if [ "${TIMEOUT}" != "0" ] && [ "${TIMEOUT}" != "" ]; then
 393                                         SECONDS=$[${TIMEOUT} * 60]
 394                                 else
 395                                         SECONDS=300
 396                                 fi
 397                                 if [ "${RECONNECTION}" == "dialondemand" ]; then
 398                                         touch /var/ipfire/red/dial-on-demand
 399                                         DEMAND="demand persist idle ${SECONDS} 10.112.112.112:10.112.112.113"
 400                                         DEMAND+=" ipcp-accept-remote ipcp-accept-local noipdefault ktune"
 401                                 fi
 402                         fi
 403
 404                         if [ "$TYPE" == "pppoe" ]; then
 405                                 ### When using pppoe-plugin the device has to be the last option
 406                                 #
 407                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && PLUGOPTS+=" $PPP_NIC"
 408                         fi
 409
 410                         if [ "$TYPE" == "modem" ]; then
 411                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /etc/ppp/dialer lock modem crtscts"
 412                                 METHOD="PPPOE_PLUGIN"
 413                         elif [ "$TYPE" == "serial" ]; then
 414                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /bin/true lock modem crtscts"
 415                                 METHOD="PPPOE_PLUGIN"
 416                         fi
 417
 418                         ### Standard PPP options we always use
 419                         #
 420                         PPP_STD_OPTIONS="$PLUGOPTS $DNS defaultroute noipdefault noauth"
 421                         PPP_STD_OPTIONS+=" default-asyncmap hide-password nodetach"
 422                         PPP_STD_OPTIONS+=" noaccomp nodeflate nopcomp novj novjccomp"
 423                         PPP_STD_OPTIONS+=" nobsdcomp user ${USERNAME} lcp-echo-interval 20"
 424                         PPP_STD_OPTIONS+=" lcp-echo-failure 5 ${AUTH}"
 425
 426                         if [ -n "${MTU}" ]; then
 427                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mtu ${MTU}"
 428                         fi
 429
 430                         if [ -n "${MRU}" ]; then
 431                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mru ${MRU}"
 432                         fi
 433
 434                         ### Debugging
 435                         #
 436                         if [ "${DEBUG}" == "on" ]; then
 437                                 DEBUG="debug"
 438                         else
 439                                 DEBUG=""
 440                         fi
 441
 442                         ### PPPoE invocation
 443                         #
 444                         if [ "$TYPE" == "pppoe" ]; then
 445                                 PPPOE_CMD="/usr/sbin/pppoe -p /var/run/ppp-ipfire.pid.pppoe -I $PPP_NIC"
 446                                 PPPOE_CMD+=" -T 80 -U $PPPOE_SYNC $ACNAME $SERVICENAMEOPT"
 447                         fi
 448
 449                         ### PPTP ###
 450                         #
 451                         if [ "$TYPE" == "pptp" ]; then
 452                                 PPPOE_CMD="pptp $PPTP_PEER --nolaunchpppd"
 453                                 METHOD=""
 454                         fi
 455
 456                         ### Run everything
 457                         #
 458                         if [ "$METHOD" == "PPPOE_PLUGIN" ]; then
 459                                 /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND >/dev/null 2>&1 &
 460                                 evaluate_retval
 461                                 # echo PLUGIN: /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND
 462                         else
 463                                 /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC >/dev/null 2>&1 &
 464                                 evaluate_retval
 465                                 # echo PPP: /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC
 466                         fi
 467                         ## Create & Enable vnstat
 468                         /usr/bin/vnstat -u -i ppp0 -r --enable --force > /dev/null 2>&1
 469                         /etc/rc.d/init.d/connectd start
 470                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 471                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 472                                 $(date +%s):: > /dev/null 2>&1
 473                         exit 0
 474                 fi
 475                 ;;
 476
 477         stop)
 478                 rm -f /var/ipfire/red/{active,device,dial-on-demand,dns1,dns2,local-ipaddress,remote-ipaddress,resolv.conf}
 479
 480                 if [ "$TYPE" == "STATIC" ]; then
 481                         boot_mesg "Stopping default gateway ${GATEWAY}..."
 482                         ip route del default via ${GATEWAY} >/dev/null 2>&1
 483                         echo_ok
 484                         if [ "$DEVICE" != "${GREEN_DEV}" ]; then
 485                                 boot_mesg "Removing IPv4 addresses from the ${DEVICE} interface..."
 486                                 ip addr flush dev ${DEVICE}
 487                                 evaluate_retval
 488                         fi
 489                         run_subdir ${rc_base}/init.d/networking/red.down/
 490
 491                 elif [ "$TYPE" == "PPPOE" ]; then
 492                         boot_mesg "Bringing down the PPP interface ..."
 493                         ## Disable vnstat collection
 494                         /usr/bin/vnstat -u -i ppp0 -r --disable > /dev/null 2>&1
 495                         rm -f /var/ipfire/red/keepconnected
 496                         killall -w -s TERM /usr/sbin/pppd 2>/dev/null
 497                         evaluate_retval
 498                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 499                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 500                                 $(date +%s):: > /dev/null 2>&1
 501
 502                 elif [ "$TYPE" == "DHCP" ]; then
 503                         # Check if the wlan-client is used on red.
 504                         # To determine this we check if a wpa_supplicant is running.
 505                         pid="$(pidof wpa_supplicant)"
 506
 507                         if [ -z "${pid}" ]; then
 508                                 # Stop dhcpcd.
 509                                 dhcpcd_stop "${DEVICE}"
 510                         fi
 511                 fi
 512
 513                 if [ -n "${PPTP_ROUTE}" ]; then
 514                         route del ${PPTP_ROUTE}
 515                 fi
 516
 517                 if [ "$DEVICE" != "${GREEN_DEV}" ] && [ "$DEVICE" != "" ]; then
 518                         link_status=`ip link show $DEVICE.${INET_VLAN} 2> /dev/null`
 519                         if [ -n "${link_status}" ]; then
 520                                 if echo "${link_status}" | grep -q UP; then
 521                                         boot_mesg "Bringing down the ${DEVICE}.${INET_VLAN} interface..."
 522                                         ip link set ${DEVICE}.${INET_VLAN} down
 523                                         vconfig rem ${DEVICE}.${INET_VLAN}
 524                                         evaluate_retval
 525                                 fi
 526                         else
 527                                 link_status=`ip link show $DEVICE 2> /dev/null`
 528                                 if [ -n "${link_status}" ]; then
 529                                         if echo "${link_status}" | grep -q UP; then
 530                                                 boot_mesg "Bringing down the ${DEVICE} interface..."
 531                                                 ip link set ${DEVICE} down
 532                                                 evaluate_retval
 533                                         fi
 534                                 fi
 535                         fi
 536                 fi
 537                 killall -w -s KILL /usr/sbin/pppd >/dev/null 2>&1
 538                 killall -w -s KILL pptp >/dev/null 2>&1
 539                 killall -w -s KILL br2684ctl >/dev/null 2>&1
 540
 541                 ## Disable vnstat collection
 542                 /usr/bin/vnstat -u -i ${DEVICE} -r --disable > /dev/null 2>&1
 543
 544                 exit 0;
 545                 ;;
 546 esac
 547
 548 # End