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         local i
  22         for i in $router; do
  23                 proto_add_ipv4_route "$i" 32 "" "$ip"
  24                 proto_add_ipv4_route 0.0.0.0 0 "$i" "$ip"
  25
  26                 local r
  27                 for r in $CUSTOMROUTES; do
  28                         proto_add_ipv4_route "${r%%/*}" "${r##*/}" "$i" "$ip"
  29                 done
  30         done
  31
  32         # CIDR STATIC ROUTES (rfc3442)
  33         [ -n "$staticroutes" ] && set_classless_routes $staticroutes
  34         [ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
  35
  36         for i in $dns; do
  37                 proto_add_dns_server "$i"
  38         done
  39         for i in $domain; do
  40                 proto_add_dns_search "$i"
  41         done
  42
  43         proto_add_data
  44         [ -n "$ZONE" ]     && json_add_string zone "$ZONE"
  45         [ -n "$ntpsrv" ]   && json_add_string ntpserver "$ntpsrv"
  46         [ -n "$timesvr" ]  && json_add_string timeserver "$timesvr"
  47         [ -n "$hostname" ] && json_add_string hostname "$hostname"
  48         [ -n "$message" ]  && json_add_string message "$message"
  49         [ -n "$timezone" ] && json_add_int timezone "$timezone"
  50         [ -n "$lease" ]    && json_add_int leasetime "$lease"
  51         proto_close_data
  52
  53         proto_send_update "$INTERFACE"
  54
  55
  56         if [ "$IFACE6RD" != 0 -a -n "$ip6rd" ]; then
  57                 local v4mask="${ip6rd%% *}"
  58                 ip6rd="${ip6rd#* }"
  59                 local ip6rdprefixlen="${ip6rd%% *}"
  60                 ip6rd="${ip6rd#* }"
  61                 local ip6rdprefix="${ip6rd%% *}"
  62                 ip6rd="${ip6rd#* }"
  63                 local ip6rdbr="${ip6rd%% *}"
  64
  65                 [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
  66                 [ -z "$IFACE6RD" -o "$IFACE6RD" = 1 ] && IFACE6RD=${INTERFACE}_6
  67
  68                 json_init
  69                 json_add_string name "$IFACE6RD"
  70                 json_add_string ifname "@$INTERFACE"
  71                 json_add_string proto "6rd"
  72                 json_add_string peeraddr "$ip6rdbr"
  73                 json_add_int ip4prefixlen "$v4mask"
  74                 json_add_string ip6prefix "$ip6rdprefix"
  75                 json_add_int ip6prefixlen "$ip6rdprefixlen"
  76                 json_add_string tunlink "$INTERFACE"
  77                 [ -n "$IFACE6RD_DELEGATE" ] && json_add_boolean delegate "$IFACE6RD_DELEGATE"
  78                 [ -n "$ZONE6RD" ] || ZONE6RD=$ZONE
  79                 [ -n "$ZONE6RD" ] && json_add_string zone "$ZONE6RD"
  80                 [ -n "$MTU6RD" ] && json_add_string mtu "$MTU6RD"
  81                 json_close_object
  82
  83                 ubus call network add_dynamic "$(json_dump)"
  84         fi
  85 }
  86
  87 deconfig_interface() {
  88         proto_init_update "*" 0
  89         proto_send_update "$INTERFACE"
  90 }
  91
  92 case "$1" in
  93         deconfig)
  94                 deconfig_interface
  95         ;;
  96         renew|bound)
  97                 setup_interface
  98         ;;
  99 esac
 100
 101 # user rules
 102 [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user "$@"
 103
 104 exit 0