src/initscripts/system/static-routes

   1 #!/bin/bash
   2
   3 . /etc/sysconfig/rc
   4 . ${rc_functions}
   5
   6
   7 function init_table() {
   8         # Check if table does already exist. If not we add it.
   9         if (ip rule | grep -q "static" >/dev/null 2>&1); then
  10                 return
  11         fi
  12
  13         ip rule add table static
  14 }
  15
  16 function create_all_routes() {
  17         local file=${1}
  18         shift
  19
  20         # Remote all routes.
  21         ip route flush table static >/dev/null 2>&1
  22
  23         local status
  24         local network
  25         local gateway
  26         local remark
  27
  28         # Read all routes from the configuration file and add the enabled ones
  29         # immediately.
  30         while IFS=, read status network gateway remark; do
  31                 [ "${status}" = "on" ] || continue
  32
  33                 if [ -z "${network}" -o -z "${gateway}" ]; then
  34                         # Silently skipping invalid routes.
  35                         continue
  36                 fi
  37
  38                 ip route add ${network} via ${gateway} table static proto static
  39         done < ${file}
  40 }
  41
  42 CONFIGFILE="/var/ipfire/main/routing"
  43
  44 case "${1}" in
  45         start|reload)
  46                 boot_mesg "Adding static routes..."
  47
  48                 # First, initialize the table
  49                 init_table
  50
  51                 # Add all routes
  52                 create_all_routes ${CONFIGFILE}
  53
  54                 evaluate_retval
  55                 ;;
  56
  57         stop)
  58                 boot_mesg "Removing static routes..."
  59                 ip route flush table static >/dev/null 2>&1
  60                 evaluate_retval
  61                 ;;
  62
  63         *)
  64                 echo "Usage: ${0} {start|stop|reload}"
  65                 exit 1
  66                 ;;
  67 esac