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 radomain in $RA_DOMAINS; do
  24                 local duplicate=0
  25                 for domain in $DOMAINS; do
  26                         [ "$radomain" = "$domain" ] && duplicate=1
  27                 done
  28                 [ "$duplicate" = 0 ] && DOMAINS="$DOMAINS $radomain"
  29         done
  30
  31         for domain in $DOMAINS; do
  32                 proto_add_dns_search "$domain"
  33         done
  34
  35         for prefix in $PREFIXES; do
  36                 proto_add_ipv6_prefix "$prefix"
  37                 local entry="${prefix#*/}"
  38                 entry="${entry#*,}"
  39                 entry="${entry#*,}"
  40                 local valid="${entry%%,*}"
  41
  42                 if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
  43                                 -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
  44                         RA_ROUTES="::/0,$SERVER,$valid,4096"
  45                 fi
  46         done
  47
  48         [ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
  49
  50         # Merge addresses
  51         for entry in $RA_ADDRESSES; do
  52                 local duplicate=0
  53                 local addr="${entry%%/*}"
  54                 for dentry in $ADDRESSES; do
  55                         local daddr="${dentry%%/*}"
  56                         [ "$addr" = "$daddr" ] && duplicate=1
  57                 done
  58                 [ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
  59         done
  60
  61         for entry in $ADDRESSES; do
  62                 local addr="${entry%%/*}"
  63                 entry="${entry#*/}"
  64                 local mask="${entry%%,*}"
  65                 entry="${entry#*,}"
  66                 local preferred="${entry%%,*}"
  67                 entry="${entry#*,}"
  68                 local valid="${entry%%,*}"
  69
  70                 proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
  71
  72                 if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
  73                                 -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
  74                         RA_ROUTES="::/0,$SERVER,$valid,4096"
  75                 fi
  76         done
  77
  78         for entry in $RA_ROUTES; do
  79                 local addr="${entry%%/*}"
  80                 entry="${entry#*/}"
  81                 local mask="${entry%%,*}"
  82                 entry="${entry#*,}"
  83                 local gw="${entry%%,*}"
  84                 entry="${entry#*,}"
  85                 local valid="${entry%%,*}"
  86                 entry="${entry#*,}"
  87                 local metric="${entry%%,*}"
  88
  89                 if [ -z "$gw" ]; then
  90                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
  91                 else
  92                         for prefix in $PREFIXES $ADDRESSES; do
  93                                 local paddr="${prefix%%,*}"
  94                                 proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
  95                         done
  96                 fi
  97         done
  98
  99         proto_add_data
 100         [ -n "$CER" ] && json_add_string cer "$CER"
 101         [ -n "$PASSTHRU" ] && json_add_string passthru "$PASSTHRU"
 102         [ -n "$ZONE" ] && json_add_string zone "$ZONE"
 103         proto_close_data
 104
 105         proto_send_update "$INTERFACE"
 106
 107         MAPTYPE=""
 108         MAPRULE=""
 109
 110         if [ -n "$MAPE" -a -f /lib/netifd/proto/map.sh ]; then
 111                 MAPTYPE="map-e"
 112                 MAPRULE="$MAPE"
 113         elif [ -n "$MAPT" -a -f /lib/netifd/proto/map.sh -a -f /proc/net/nat46/control ]; then
 114                 MAPTYPE="map-t"
 115                 MAPRULE="$MAPT"
 116         elif [ -n "$LW4O6" -a -f /lib/netifd/proto/map.sh ]; then
 117                 MAPTYPE="lw4o6"
 118                 MAPRULE="$LW4O6"
 119         fi
 120
 121         [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE)
 122
 123         if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
 124                 [ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_4
 125                 json_init
 126                 json_add_string name "$IFACE_MAP"
 127                 json_add_string ifname "@$INTERFACE"
 128                 json_add_string proto map
 129                 json_add_string type "$MAPTYPE"
 130                 json_add_string rule "$MAPRULE"
 131                 json_add_string tunlink "$INTERFACE"
 132                 [ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
 133                 [ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
 134                 [ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
 135                 json_close_object
 136                 ubus call network add_dynamic "$(json_dump)"
 137         elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
 138                 [ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_4
 139                 json_init
 140                 json_add_string name "$IFACE_DSLITE"
 141                 json_add_string ifname "@$INTERFACE"
 142                 json_add_string proto "dslite"
 143                 json_add_string peeraddr "$AFTR"
 144                 json_add_string tunlink "$INTERFACE"
 145                 [ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
 146                 [ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
 147                 [ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
 148                 json_close_object
 149                 ubus call network add_dynamic "$(json_dump)"
 150         elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
 151                 [ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_4
 152                 json_init
 153                 json_add_string name "$IFACE_464XLAT"
 154                 json_add_string ifname "@$INTERFACE"
 155                 json_add_string proto "464xlat"
 156                 json_add_string tunlink "$INTERFACE"
 157                 [ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
 158                 [ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
 159                 [ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
 160                 json_close_object
 161                 ubus call network add_dynamic "$(json_dump)"
 162         fi
 163
 164         # Apply IPv6 / ND configuration
 165         HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
 166         [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
 167         [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
 168         [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
 169         [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
 170
 171         # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
 172 }
 173
 174 teardown_interface() {
 175         proto_init_update "*" 0
 176         proto_send_update "$INTERFACE"
 177 }
 178
 179 case "$2" in
 180         bound)
 181                 teardown_interface "$1"
 182                 setup_interface "$1"
 183         ;;
 184         informed|updated|rebound)
 185                 setup_interface "$1"
 186         ;;
 187         ra-updated)
 188                 [ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
 189         ;;
 190         started|stopped|unbound)
 191                 teardown_interface "$1"
 192         ;;
 193 esac
 194
 195 # user rules
 196 [ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
 197
 198 exit 0