package/netifd/files/lib/netifd/dhcp.script

   1 #!/bin/sh
   2 [ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
   3
   4 . /lib/functions.sh
   5 . /lib/netifd/netifd-proto.sh
   6
   7 set_classless_routes() {
   8         local max=128
   9         local type
  10         while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
  11                 proto_add_ipv4_route "${1%%/*}" "${1##*/}" "$2"
  12                 max=$(($max-1))
  13                 shift 2
  14         done
  15 }
  16
  17 setup_interface () {
  18         proto_init_update "*" 1
  19         proto_add_ipv4_address "$ip" "${subnet:-255.255.255.0}"
  20         # TODO: apply $broadcast
  21
  22         for i in $router; do
  23                 proto_add_ipv4_route 0.0.0.0 0 "$i"
  24         done
  25
  26         # CIDR STATIC ROUTES (rfc3442)
  27         [ -n "$staticroutes" ] && set_classless_routes $staticroutes
  28         [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
  29
  30         for dns in $dns; do
  31                 proto_add_dns_server "$dns"
  32         done
  33         for domain in $domain; do
  34                 proto_add_dns_search "$domain"
  35         done
  36         proto_send_update "$INTERFACE"
  37
  38         if [ -n "$IFACE6RD" -a -n "$ip6rd" ]; then
  39                 local v4mask="${ip6rd%% *}"
  40                 ip6rd="${ip6rd#* }"
  41                 local ip6rdprefixlen="${ip6rd%% *}"
  42                 ip6rd="${ip6rd#* }"
  43                 local ip6rdprefix="${ip6rd%% *}"
  44                 ip6rd="${ip6rd#* }"
  45                 local ip6rdbr="${ip6rd%% *}"
  46
  47 uci -q batch <<-EOF >/dev/null
  48 set network.$IFACE6RD.proto=6rd
  49 set network.$IFACE6RD.auto=0
  50 set network.$IFACE6RD.peeraddr=$ip6rdbr
  51 set network.$IFACE6RD.ip4prefixlen=$v4mask
  52 set network.$IFACE6RD.ip6prefix=$ip6rdprefix
  53 set network.$IFACE6RD.ip6prefixlen=$ip6rdprefixlen
  54 commit network
  55 EOF
  56
  57                 ifdown "$IFACE6RD"
  58                 /etc/init.d/network reload
  59                 ifup "$IFACE6RD"
  60         fi
  61
  62         # TODO
  63         # [ -n "$ntpsrv" ] &&   change_state network "$ifc" lease_ntpsrv "$ntpsrv"
  64         # [ -n "$timesvr" ] &&  change_state network "$ifc" lease_timesrv "$timesvr"
  65         # [ -n "$hostname" ] && change_state network "$ifc" lease_hostname "$hostname"
  66         # [ -n "$timezone" ] &&         change_state network "$ifc" lease_timezone "$timezone"
  67 }
  68
  69 deconfig_interface() {
  70         proto_init_update "*" 0
  71         proto_send_update "$INTERFACE"
  72 }
  73
  74 case "$1" in
  75         deconfig)
  76                 deconfig_interface
  77         ;;
  78         renew|bound)
  79                 setup_interface
  80         ;;
  81 esac
  82
  83 # user rules
  84 [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
  85
  86 exit 0