package/network/ipv6/odhcp6c/files/dhcpv6.script

   1 #!/bin/sh
   2 [ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
   3 . /lib/functions.sh
   4 . /lib/netifd/netifd-proto.sh
   5
   6 setup_interface () {
   7         local device="$1"
   8         proto_init_update "*" 1
   9
  10         # Merge RA-DNS
  11         for radns in $RA_DNS; do
  12                 local duplicate=0
  13                 for dns in $RDNSS; do
  14                         [ "$radns" = "$dns" ] && duplicate=1
  15                 done
  16                 [ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
  17         done
  18
  19         for dns in $RDNSS; do
  20                 proto_add_dns_server "$dns"
  21         done
  22
  23         for domain in $DOMAINS; do
  24                 proto_add_dns_search "$domain"
  25         done
  26
  27         for prefix in $PREFIXES; do
  28                 proto_add_ipv6_prefix "$prefix"
  29                 local entry="${prefix#*/}"
  30                 entry="${entry#*,}"
  31                 entry="${entry#*,}"
  32                 local valid="${entry%%,*}"
  33
  34                 if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
  35                                 -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
  36                         RA_ROUTES="::/0,$SERVER,$valid,4096"
  37                 fi
  38         done
  39
  40         [ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
  41
  42         # Merge addresses
  43         for entry in $RA_ADDRESSES; do
  44                 local duplicate=0
  45                 local addr="${entry%%/*}"
  46                 for dentry in $ADDRESSES; do
  47                         local daddr="${dentry%%/*}"
  48                         [ "$addr" = "$daddr" ] && duplicate=1
  49                 done
  50                 [ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
  51         done
  52
  53         for entry in $ADDRESSES; do
  54                 local addr="${entry%%/*}"
  55                 entry="${entry#*/}"
  56                 local mask="${entry%%,*}"
  57                 entry="${entry#*,}"
  58                 local preferred="${entry%%,*}"
  59                 entry="${entry#*,}"
  60                 local valid="${entry%%,*}"
  61
  62                 proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
  63
  64                 if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
  65                                 -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
  66                         RA_ROUTES="::/0,$SERVER,$valid,4096"
  67                 fi
  68         done
  69
  70         for entry in $RA_ROUTES; do
  71                 local addr="${entry%%/*}"
  72                 entry="${entry#*/}"
  73                 local mask="${entry%%,*}"
  74                 entry="${entry#*,}"
  75                 local gw="${entry%%,*}"
  76                 entry="${entry#*,}"
  77                 local valid="${entry%%,*}"
  78                 entry="${entry#*,}"
  79                 local metric="${entry%%,*}"
  80
  81                 if [ -z "$SOURCE_ROUTING" -o -z "$gw" ]; then
  82                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
  83                 else
  84                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "::/128"
  85                         for prefix in $PREFIXES $ADDRESSES; do
  86                                 local paddr="${prefix%%,*}"
  87                                 proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
  88                         done
  89                 fi
  90         done
  91
  92         proto_add_data
  93         [ -n "$CER" ] && json_add_string cer "$CER"
  94         [ -n "$PASSTHRU" ] && json_add_string passthru "$PASSTHRU"
  95         [ -n "$ZONE" ] && json_add_string zone "$ZONE"
  96         proto_close_data
  97
  98         proto_send_update "$INTERFACE"
  99
 100         MAPTYPE=""
 101         MAPRULE=""
 102
 103         if [ -n "$MAPE" -a -f /lib/netifd/proto/map.sh ]; then
 104                 MAPTYPE="map-e"
 105                 MAPRULE="$MAPE"
 106         elif [ -n "$MAPT" -a -f /lib/netifd/proto/map.sh -a -f /proc/net/nat46/control ]; then
 107                 MAPTYPE="map-t"
 108                 MAPRULE="$MAPT"
 109         elif [ -n "$LW4O6" -a -f /lib/netifd/proto/map.sh ]; then
 110                 MAPTYPE="lw4o6"
 111                 MAPRULE="$LW4O6"
 112         fi
 113
 114         [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE)
 115
 116         if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
 117                 [ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_map
 118                 json_init
 119                 json_add_string name "$IFACE_MAP"
 120                 json_add_string ifname "@$INTERFACE"
 121                 json_add_string proto map
 122                 json_add_string type "$MAPTYPE"
 123                 json_add_string rule "$MAPRULE"
 124                 json_add_string tunlink "$INTERFACE"
 125                 [ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
 126                 [ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
 127                 [ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
 128                 json_close_object
 129                 ubus call network add_dynamic "$(json_dump)"
 130         elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
 131                 [ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_dslite
 132                 json_init
 133                 json_add_string name "$IFACE_DSLITE"
 134                 json_add_string ifname "@$INTERFACE"
 135                 json_add_string proto "dslite"
 136                 json_add_string peeraddr "$AFTR"
 137                 json_add_string tunlink "$INTERFACE"
 138                 [ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
 139                 [ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
 140                 [ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
 141                 json_close_object
 142                 ubus call network add_dynamic "$(json_dump)"
 143         elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
 144                 [ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_464xlat
 145                 json_init
 146                 json_add_string name "$IFACE_464XLAT"
 147                 json_add_string ifname "@$INTERFACE"
 148                 json_add_string proto "464xlat"
 149                 json_add_string tunlink "$INTERFACE"
 150                 [ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
 151                 [ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
 152                 [ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
 153                 json_close_object
 154                 ubus call network add_dynamic "$(json_dump)"
 155         fi
 156
 157         # Apply IPv6 / ND configuration
 158         HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
 159         [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
 160         [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
 161         [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
 162         [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
 163
 164         # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
 165 }
 166
 167 teardown_interface() {
 168         proto_init_update "*" 0
 169         proto_send_update "$INTERFACE"
 170 }
 171
 172 case "$2" in
 173         bound)
 174                 teardown_interface "$1"
 175                 setup_interface "$1"
 176         ;;
 177         informed|updated|rebound)
 178                 setup_interface "$1"
 179         ;;
 180         ra-updated)
 181                 [ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
 182         ;;
 183         started|stopped|unbound)
 184                 teardown_interface "$1"
 185         ;;
 186 esac
 187
 188 # user rules
 189 [ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
 190
 191 exit 0