package/network/config/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         while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
  10                 proto_add_ipv4_route "${1%%/*}" "${1##*/}" "$2" "$ip"
  11                 max=$(($max-1))
  12                 shift 2
  13         done
  14 }
  15
  16 setup_interface () {
  17         proto_init_update "*" 1
  18         proto_add_ipv4_address "$ip" "${subnet:-255.255.255.0}"
  19         # TODO: apply $broadcast
  20
  21         for i in $router; do
  22                 proto_add_ipv4_route 0.0.0.0 0 "$i" "$ip"
  23         done
  24
  25         # CIDR STATIC ROUTES (rfc3442)
  26         [ -n "$staticroutes" ] && set_classless_routes $staticroutes
  27         [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
  28
  29         for dns in $dns; do
  30                 proto_add_dns_server "$dns"
  31         done
  32         for domain in $domain; do
  33                 proto_add_dns_search "$domain"
  34         done
  35
  36         proto_add_data
  37         [ -n "$ZONE" ]     && json_add_string zone "$ZONE"
  38         [ -n "$ntpsrv" ]   && json_add_string ntpserver "$ntpsrv"
  39         [ -n "$timesvr" ]  && json_add_string timeserver "$timesvr"
  40         [ -n "$hostname" ] && json_add_string hostname "$hostname"
  41         [ -n "$message" ]  && json_add_string message "$message"
  42         [ -n "$timezone" ] && json_add_int timezone "$timezone"
  43         [ -n "$lease" ]    && json_add_int leasetime "$lease"
  44         proto_close_data
  45
  46         proto_send_update "$INTERFACE"
  47
  48
  49         if [ "$IFACE6RD" != 0 -a -n "$ip6rd" ]; then
  50                 local v4mask="${ip6rd%% *}"
  51                 ip6rd="${ip6rd#* }"
  52                 local ip6rdprefixlen="${ip6rd%% *}"
  53                 ip6rd="${ip6rd#* }"
  54                 local ip6rdprefix="${ip6rd%% *}"
  55                 ip6rd="${ip6rd#* }"
  56                 local ip6rdbr="${ip6rd%% *}"
  57
  58                 [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE)
  59                 [ -z "$IFACE6RD" -o "$IFACE6RD" = 1 ] && IFACE6RD=${INTERFACE}_6rd
  60
  61                 json_init
  62                 json_add_string name "$IFACE6RD"
  63                 json_add_string ifname "@$INTERFACE"
  64                 json_add_string proto "6rd"
  65                 json_add_string peeraddr "$ip6rdbr"
  66                 json_add_int ip4prefixlen "$v4mask"
  67                 json_add_string ip6prefix "$ip6rdprefix"
  68                 json_add_int ip6prefixlen "$ip6rdprefixlen"
  69                 json_add_string tunlink "$INTERFACE"
  70                 [ -n "$IFACE6RD_DELEGATE" ] && json_add_boolean delegate "$IFACE6RD_DELEGATE"
  71                 [ -n "$ZONE6RD" ] || ZONE6RD=$ZONE
  72                 [ -n "$ZONE6RD" ] && json_add_string zone "$ZONE6RD"
  73                 [ -n "$MTU6RD" ] && json_add_string mtu "$MTU6RD"
  74                 json_close_object
  75
  76                 ubus call network add_dynamic "$(json_dump)"
  77         fi
  78 }
  79
  80 deconfig_interface() {
  81         proto_init_update "*" 0
  82         proto_send_update "$INTERFACE"
  83 }
  84
  85 case "$1" in
  86         deconfig)
  87                 deconfig_interface
  88         ;;
  89         renew|bound)
  90                 setup_interface
  91         ;;
  92 esac
  93
  94 # user rules
  95 [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
  96
  97 exit 0