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         local prefsig=""
   9         local addrsig=""
  10         proto_init_update "*" 1
  11
  12         # Merge RA-DNS
  13         for radns in $RA_DNS; do
  14                 local duplicate=0
  15                 for dns in $RDNSS; do
  16                         [ "$radns" = "$dns" ] && duplicate=1
  17                 done
  18                 [ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
  19         done
  20
  21         for dns in $RDNSS; do
  22                 proto_add_dns_server "$dns"
  23         done
  24
  25         for radomain in $RA_DOMAINS; do
  26                 local duplicate=0
  27                 for domain in $DOMAINS; do
  28                         [ "$radomain" = "$domain" ] && duplicate=1
  29                 done
  30                 [ "$duplicate" = 0 ] && DOMAINS="$DOMAINS $radomain"
  31         done
  32
  33         for domain in $DOMAINS; do
  34                 proto_add_dns_search "$domain"
  35         done
  36
  37         for prefix in $PREFIXES; do
  38                 proto_add_ipv6_prefix "$prefix"
  39                 prefsig="$prefsig ${prefix%%,*}"
  40                 local entry="${prefix#*/}"
  41                 entry="${entry#*,}"
  42                 entry="${entry#*,}"
  43                 local valid="${entry%%,*}"
  44
  45                 if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
  46                                 -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
  47                         RA_ROUTES="::/0,$SERVER,$valid,4096"
  48                 fi
  49         done
  50
  51         [ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
  52
  53         # Merge addresses
  54         for entry in $RA_ADDRESSES; do
  55                 local duplicate=0
  56                 local addr="${entry%%/*}"
  57                 for dentry in $ADDRESSES; do
  58                         local daddr="${dentry%%/*}"
  59                         [ "$addr" = "$daddr" ] && duplicate=1
  60                 done
  61                 [ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
  62         done
  63
  64         for entry in $ADDRESSES; do
  65                 local addr="${entry%%/*}"
  66                 entry="${entry#*/}"
  67                 local mask="${entry%%,*}"
  68                 entry="${entry#*,}"
  69                 local preferred="${entry%%,*}"
  70                 entry="${entry#*,}"
  71                 local valid="${entry%%,*}"
  72
  73                 proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
  74                 addrsig="$addrsig $addr/$mask"
  75
  76                 if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
  77                                 -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
  78                         RA_ROUTES="::/0,$SERVER,$valid,4096"
  79                 fi
  80         done
  81
  82         for entry in $RA_ROUTES; do
  83                 local duplicate=$NOSOURCEFILTER
  84                 local addr="${entry%%/*}"
  85                 entry="${entry#*/}"
  86                 local mask="${entry%%,*}"
  87                 entry="${entry#*,}"
  88                 local gw="${entry%%,*}"
  89                 entry="${entry#*,}"
  90                 local valid="${entry%%,*}"
  91                 entry="${entry#*,}"
  92                 local metric="${entry%%,*}"
  93
  94                 for xentry in $RA_ROUTES; do
  95                         local xprefix="${xentry%%,*}"
  96                         xentry="${xentry#*,}"
  97                         local xgw="${xentry%%,*}"
  98
  99                         [ -n "$gw" -a -z "$xgw" -a "$addr/$mask" = "$xprefix" ] && duplicate=1
 100                 done
 101
 102                 if [ -z "$gw" -o "$duplicate" = 1 ]; then
 103                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
 104                 else
 105                         for prefix in $PREFIXES $ADDRESSES; do
 106                                 local paddr="${prefix%%,*}"
 107                                 proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
 108                         done
 109                 fi
 110         done
 111
 112         proto_add_data
 113         [ -n "$CER" ] && json_add_string cer "$CER"
 114         [ -n "$PASSTHRU" ] && json_add_string passthru "$PASSTHRU"
 115         [ -n "$ZONE" ] && json_add_string zone "$ZONE"
 116         proto_close_data
 117
 118         proto_send_update "$INTERFACE"
 119
 120         MAPTYPE=""
 121         MAPRULE=""
 122
 123         if [ -n "$MAPE" -a -f /lib/netifd/proto/map.sh ]; then
 124                 MAPTYPE="map-e"
 125                 MAPRULE="$MAPE"
 126         elif [ -n "$MAPT" -a -f /lib/netifd/proto/map.sh -a -f /proc/net/nat46/control ]; then
 127                 MAPTYPE="map-t"
 128                 MAPRULE="$MAPT"
 129         elif [ -n "$LW4O6" -a -f /lib/netifd/proto/map.sh ]; then
 130                 MAPTYPE="lw4o6"
 131                 MAPRULE="$LW4O6"
 132         fi
 133
 134         [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
 135
 136         if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
 137                 [ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_4
 138                 json_init
 139                 json_add_string name "$IFACE_MAP"
 140                 json_add_string ifname "@$INTERFACE"
 141                 json_add_string proto map
 142                 json_add_string type "$MAPTYPE"
 143                 json_add_string _prefsig "$prefsig"
 144                 [ "$MAPTYPE" = lw4o6 ] && json_add_string _addrsig "$addrsig"
 145                 json_add_string rule "$MAPRULE"
 146                 json_add_string tunlink "$INTERFACE"
 147                 [ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
 148                 [ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
 149                 [ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
 150                 json_close_object
 151                 ubus call network add_dynamic "$(json_dump)"
 152         elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
 153                 [ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_4
 154                 json_init
 155                 json_add_string name "$IFACE_DSLITE"
 156                 json_add_string ifname "@$INTERFACE"
 157                 json_add_string proto "dslite"
 158                 json_add_string peeraddr "$AFTR"
 159                 json_add_string tunlink "$INTERFACE"
 160                 [ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
 161                 [ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
 162                 [ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
 163                 json_close_object
 164                 ubus call network add_dynamic "$(json_dump)"
 165         elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
 166                 [ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_4
 167                 json_init
 168                 json_add_string name "$IFACE_464XLAT"
 169                 json_add_string ifname "@$INTERFACE"
 170                 json_add_string proto "464xlat"
 171                 json_add_string tunlink "$INTERFACE"
 172                 json_add_string _addrsig "$addrsig"
 173                 [ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
 174                 [ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
 175                 [ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
 176                 json_close_object
 177                 ubus call network add_dynamic "$(json_dump)"
 178         fi
 179
 180         # Apply IPv6 / ND configuration
 181         HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
 182         [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
 183         [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
 184         [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
 185         [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
 186
 187         # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
 188 }
 189
 190 teardown_interface() {
 191         proto_init_update "*" 0
 192         proto_send_update "$INTERFACE"
 193 }
 194
 195 case "$2" in
 196         bound)
 197                 teardown_interface "$1"
 198                 setup_interface "$1"
 199         ;;
 200         informed|updated|rebound)
 201                 setup_interface "$1"
 202         ;;
 203         ra-updated)
 204                 [ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
 205         ;;
 206         started|stopped|unbound)
 207                 teardown_interface "$1"
 208         ;;
 209 esac
 210
 211 # user rules
 212 [ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
 213
 214 exit 0