src/initscripts/init.d/network-vlans

   1 #!/bin/bash
   2 ############################################################################
   3 #                                                                          #
   4 # This file is part of the IPFire Firewall.                                #
   5 #                                                                          #
   6 # IPFire is free software; you can redistribute it and/or modify           #
   7 # it under the terms of the GNU General Public License as published by     #
   8 # the Free Software Foundation; either version 2 of the License, or        #
   9 # (at your option) any later version.                                      #
  10 #                                                                          #
  11 # IPFire is distributed in the hope that it will be useful,                #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of           #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            #
  14 # GNU General Public License for more details.                             #
  15 #                                                                          #
  16 # You should have received a copy of the GNU General Public License        #
  17 # along with IPFire; if not, write to the Free Software                    #
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA #
  19 #                                                                          #
  20 # Copyright (C) 2012 IPFire Team <info@ipfire.org>                         #
  21 #                                                                          #
  22 ############################################################################
  23
  24 CONFIG_FILE="/var/ipfire/ethernet/vlans"
  25
  26 # Skip immediately if no configuration file has been found.
  27 [ -e "${CONFIG_FILE}" ] || exit 0
  28
  29 eval $(/usr/local/bin/readhash ${CONFIG_FILE})
  30
  31 # This is start or stop.
  32 action=${1}
  33
  34 for interface in green0 blue0 orange0; do
  35         case "${interface}" in
  36                 green*)
  37                         PARENT_DEV=${GREEN_PARENT_DEV}
  38                         VLAN_ID=${GREEN_VLAN_ID}
  39                         MAC_ADDRESS=${GREEN_MAC_ADDRESS}
  40                         ;;
  41                 blue*)
  42                         PARENT_DEV=${BLUE_PARENT_DEV}
  43                         VLAN_ID=${BLUE_VLAN_ID}
  44                         MAC_ADDRESS=${BLUE_MAC_ADDRESS}
  45                         ;;
  46                 orange*)
  47                         PARENT_DEV=${ORANGE_PARENT_DEV}
  48                         VLAN_ID=${ORANGE_VLAN_ID}
  49                         MAC_ADDRESS=${ORANGE_MAC_ADDRESS}
  50                         ;;
  51         esac
  52
  53         case "${action}" in
  54                 start)
  55                         # If no parent device has been configured, we assume
  56                         # that this interface is not set up for VLANs and
  57                         # silently go on.
  58                         [ -z "${PARENT_DEV}" ] && continue
  59
  60                         # Check if the interface does already exists.
  61                         # If so, we skip creating it.
  62                         if [ -d "/sys/class/net/${interface}" ]; then
  63                                 echo "Interface ${interface} already exists." >&2
  64                                 continue
  65                         fi
  66
  67                         # Check if the parent interface exists.
  68                         if [ ! -d "/sys/class/net/${PARENT_DEV}" ]; then
  69                                 echo "${interface}: Parent device is not set or does not exist: ${PARENT_DEV}" >&2
  70                                 continue
  71                         fi
  72
  73                         if [ -z "${VLAN_ID}" ]; then
  74                                 echo "${interface}: You did not set the VLAN ID." >&2
  75                                 continue
  76                         fi
  77
  78                         echo "Creating VLAN interface ${interface}..."
  79                         vconfig add ${PARENT_DEV} ${VLAN_ID}
  80                         ip link set ${PARENT_DEV}.${VLAN_ID} name ${interface}
  81
  82                         if [ -n "${MAC_ADDRESS}" ]; then
  83                                 ip link set ${interface} address ${MAC_ADDRESS}
  84                         fi
  85
  86                         # Bring up the parent device.
  87                         ip link set ${PARENT_DEV} up
  88                         ;;
  89
  90                 stop)
  91                         if [ ! -e "/proc/net/vlan/${interface}" ]; then
  92                                 echo "${interface} is not a VLAN interface. Skipping."
  93                                 continue
  94                         fi
  95
  96                         echo "Removing VLAN interface ${interface}..."
  97                         ip link set ${interface} down
  98                         vconfig rem ${interface}
  99                         ;;
 100
 101                 *)
 102                         echo "Invalid action: ${action}"
 103                         exit 1
 104                         ;;
 105         esac
 106 done