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 $RA_ROUTES; do
  79                 local duplicate=0
  80                 local addr="${entry%%/*}"
  81                 entry="${entry#*/}"
  82                 local mask="${entry%%,*}"
  83                 entry="${entry#*,}"
  84                 local gw="${entry%%,*}"
  85                 entry="${entry#*,}"
  86                 local valid="${entry%%,*}"
  87                 entry="${entry#*,}"
  88                 local metric="${entry%%,*}"
  89
  90                 for xentry in $RA_ROUTES; do
  91                         local xprefix="${xentry%%,*}"
  92                         xentry="${xentry#*,}"
  93                         local xgw="${xentry%%,*}"
  94
  95                         [ -n "$gw" -a -z "$xgw" -a "$addr/$mask" = "$xprefix" ] && duplicate=1
  96                 done
  97
  98                 if [ -z "$gw" -o "$duplicate" = 1 ]; then
  99                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
 100                 else
 101                         for prefix in $PREFIXES $ADDRESSES; do
 102                                 local paddr="${prefix%%,*}"
 103                                 proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
 104                         done
 105                 fi
 106         done
 107
 108         proto_add_data
 109         [ -n "$CER" ] && json_add_string cer "$CER"
 110         [ -n "$PASSTHRU" ] && json_add_string passthru "$PASSTHRU"
 111         [ -n "$ZONE" ] && json_add_string zone "$ZONE"
 112         proto_close_data
 113
 114         proto_send_update "$INTERFACE"
 115
 116         MAPTYPE=""
 117         MAPRULE=""
 118
 119         if [ -n "$MAPE" -a -f /lib/netifd/proto/map.sh ]; then
 120                 MAPTYPE="map-e"
 121                 MAPRULE="$MAPE"
 122         elif [ -n "$MAPT" -a -f /lib/netifd/proto/map.sh -a -f /proc/net/nat46/control ]; then
 123                 MAPTYPE="map-t"
 124                 MAPRULE="$MAPT"
 125         elif [ -n "$LW4O6" -a -f /lib/netifd/proto/map.sh ]; then
 126                 MAPTYPE="lw4o6"
 127                 MAPRULE="$LW4O6"
 128         fi
 129
 130         [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
 131
 132         if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
 133                 [ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_4
 134                 json_init
 135                 json_add_string name "$IFACE_MAP"
 136                 json_add_string ifname "@$INTERFACE"
 137                 json_add_string proto map
 138                 json_add_string type "$MAPTYPE"
 139                 json_add_string rule "$MAPRULE"
 140                 json_add_string tunlink "$INTERFACE"
 141                 [ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
 142                 [ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
 143                 [ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
 144                 json_close_object
 145                 ubus call network add_dynamic "$(json_dump)"
 146         elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
 147                 [ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_4
 148                 json_init
 149                 json_add_string name "$IFACE_DSLITE"
 150                 json_add_string ifname "@$INTERFACE"
 151                 json_add_string proto "dslite"
 152                 json_add_string peeraddr "$AFTR"
 153                 json_add_string tunlink "$INTERFACE"
 154                 [ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
 155                 [ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
 156                 [ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
 157                 json_close_object
 158                 ubus call network add_dynamic "$(json_dump)"
 159         elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
 160                 [ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_4
 161                 json_init
 162                 json_add_string name "$IFACE_464XLAT"
 163                 json_add_string ifname "@$INTERFACE"
 164                 json_add_string proto "464xlat"
 165                 json_add_string tunlink "$INTERFACE"
 166                 [ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
 167                 [ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
 168                 [ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
 169                 json_close_object
 170                 ubus call network add_dynamic "$(json_dump)"
 171         fi
 172
 173         # Apply IPv6 / ND configuration
 174         HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
 175         [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
 176         [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
 177         [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
 178         [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
 179
 180         # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
 181 }
 182
 183 teardown_interface() {
 184         proto_init_update "*" 0
 185         proto_send_update "$INTERFACE"
 186 }
 187
 188 case "$2" in
 189         bound)
 190                 teardown_interface "$1"
 191                 setup_interface "$1"
 192         ;;
 193         informed|updated|rebound)
 194                 setup_interface "$1"
 195         ;;
 196         ra-updated)
 197                 [ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
 198         ;;
 199         started|stopped|unbound)
 200                 teardown_interface "$1"
 201         ;;
 202 esac
 203
 204 # user rules
 205 [ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
 206
 207 exit 0