odhcp6c : Silence mtu write error warnings
[openwrt.git] / package / network / ipv6 / odhcp6c / files / dhcpv6.script
index 8c1ba18..46980cb 100755 (executable)
@@ -5,6 +5,8 @@
 
 setup_interface () {
        local device="$1"
+       local prefsig=""
+       local addrsig=""
        proto_init_update "*" 1
 
        # Merge RA-DNS
@@ -20,12 +22,30 @@ setup_interface () {
                proto_add_dns_server "$dns"
        done
 
+       for radomain in $RA_DOMAINS; do
+               local duplicate=0
+               for domain in $DOMAINS; do
+                       [ "$radomain" = "$domain" ] && duplicate=1
+               done
+               [ "$duplicate" = 0 ] && DOMAINS="$DOMAINS $radomain"
+       done
+
        for domain in $DOMAINS; do
                proto_add_dns_search "$domain"
        done
 
        for prefix in $PREFIXES; do
                proto_add_ipv6_prefix "$prefix"
+               prefsig="$prefsig ${prefix%%,*}"
+               local entry="${prefix#*/}"
+               entry="${entry#*,}"
+               entry="${entry#*,}"
+               local valid="${entry%%,*}"
+
+               if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
+                               -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
+                       RA_ROUTES="::/0,$SERVER,$valid,4096"
+               fi
        done
 
        [ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
@@ -51,9 +71,21 @@ setup_interface () {
                local valid="${entry%%,*}"
 
                proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
+               addrsig="$addrsig $addr/$mask"
+
+               if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
+                               -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
+                       RA_ROUTES="::/0,$SERVER,$valid,4096"
+               fi
+
+               # RFC 7278
+               if [ "$mask" -eq 64 -a -z "$PREFIXES" -a -n "$EXTENDPREFIX" ]; then
+                       proto_add_ipv6_prefix "$addr/$mask,$preferred,$valid"
+               fi
        done
 
        for entry in $RA_ROUTES; do
+               local duplicate=$NOSOURCEFILTER
                local addr="${entry%%/*}"
                entry="${entry#*/}"
                local mask="${entry%%,*}"
@@ -64,10 +96,17 @@ setup_interface () {
                entry="${entry#*,}"
                local metric="${entry%%,*}"
 
-               if [ -z "$SOURCE_ROUTING" -o -z "$gw" ]; then
+               for xentry in $RA_ROUTES; do
+                       local xprefix="${xentry%%,*}"
+                       xentry="${xentry#*,}"
+                       local xgw="${xentry%%,*}"
+
+                       [ -n "$gw" -a -z "$xgw" -a "$addr/$mask" = "$xprefix" ] && duplicate=1
+               done
+
+               if [ -z "$gw" -o "$duplicate" = 1 ]; then
                        proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
                else
-                       proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "::/128"
                        for prefix in $PREFIXES $ADDRESSES; do
                                local paddr="${prefix%%,*}"
                                proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
@@ -97,15 +136,17 @@ setup_interface () {
                MAPRULE="$LW4O6"
        fi
 
-       [ -n "$ZONE" ] || ZONE=$(fw3 network $INTERFACE)
+       [ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
 
        if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
-               [ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_map
+               [ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_4
                json_init
                json_add_string name "$IFACE_MAP"
                json_add_string ifname "@$INTERFACE"
                json_add_string proto map
                json_add_string type "$MAPTYPE"
+               json_add_string _prefsig "$prefsig"
+               [ "$MAPTYPE" = lw4o6 ] && json_add_string _addrsig "$addrsig"
                json_add_string rule "$MAPRULE"
                json_add_string tunlink "$INTERFACE"
                [ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
@@ -113,21 +154,41 @@ setup_interface () {
                [ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
                json_close_object
                ubus call network add_dynamic "$(json_dump)"
-       elif [ -n "$AFTR_IP " -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
-               [ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_dslite
+       elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
+               [ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_4
                json_init
                json_add_string name "$IFACE_DSLITE"
                json_add_string ifname "@$INTERFACE"
                json_add_string proto "dslite"
-               json_add_string peeraddr "$AFTR_IP"
+               json_add_string peeraddr "$AFTR"
                json_add_string tunlink "$INTERFACE"
                [ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
                [ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
                [ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
                json_close_object
                ubus call network add_dynamic "$(json_dump)"
+       elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
+               [ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_4
+               json_init
+               json_add_string name "$IFACE_464XLAT"
+               json_add_string ifname "@$INTERFACE"
+               json_add_string proto "464xlat"
+               json_add_string tunlink "$INTERFACE"
+               json_add_string _addrsig "$addrsig"
+               [ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
+               [ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
+               [ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
+               json_close_object
+               ubus call network add_dynamic "$(json_dump)"
        fi
 
+       # Apply IPv6 / ND configuration
+       HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
+       [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
+       [ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null
+       [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
+       [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
+
        # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
 }
 
@@ -141,9 +202,12 @@ case "$2" in
                teardown_interface "$1"
                setup_interface "$1"
        ;;
-       informed|updated|rebound|ra-updated)
+       informed|updated|rebound)
                setup_interface "$1"
        ;;
+       ra-updated)
+               [ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
+       ;;
        started|stopped|unbound)
                teardown_interface "$1"
        ;;