odhcp6c: apply IPv6/ND configuration earlier

[openwrt/openwrt.git] / package / network / ipv6 / odhcp6c / files / dhcpv6.script

diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index a2adf39ad16725203a0d3cf2aa84cdcffeed571d..28955a358fcd9a6d4e8321e8bb04c80f37df642b 100755 (executable)
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -5,6 +5,16 @@
 
 setup_interface () {
        local device="$1"
+       local prefsig=""
+       local addrsig=""
+
+       # Apply IPv6 / ND configuration
+       HOPLIMIT=$(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
+
        proto_init_update "*" 1
 
        # Merge RA-DNS
@@ -34,6 +44,7 @@ setup_interface () {
 
        for prefix in $PREFIXES; do
                proto_add_ipv6_prefix "$prefix"
+               prefsig="$prefsig ${prefix%%,*}"
                local entry="${prefix#*/}"
                entry="${entry#*,}"
                entry="${entry#*,}"
@@ -45,7 +56,9 @@ setup_interface () {
                fi
        done
 
-       [ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
+       for prefix in $USERPREFIX; do
+               proto_add_ipv6_prefix "$prefix"
+       done
 
        # Merge addresses
        for entry in $RA_ADDRESSES; do
@@ -68,14 +81,38 @@ setup_interface () {
                local valid="${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"
+
+                       local raroutes=""
+                       for route in $RA_ROUTES; do
+                               local prefix="${route%%/*}"
+                               local entry="${route#*/}"
+                               local pmask="${entry%%,*}"
+                               entry="${entry#*,}"
+                               local gw="${entry%%,*}"
+
+                               [ -z "$gw" -a "$mask" = "$pmask" ] && {
+                                       case "$addr" in
+                                               "${prefix%*::}"*) continue;;
+                                       esac
+                               }
+                               raroutes="$raroutes $route"
+                       done
+                       RA_ROUTES="$raroutes"
+               fi
        done
 
        for entry in $RA_ROUTES; do
+               local duplicate=$NOSOURCEFILTER
                local addr="${entry%%/*}"
                entry="${entry#*/}"
                local mask="${entry%%,*}"
@@ -86,7 +123,15 @@ setup_interface () {
                entry="${entry#*,}"
                local metric="${entry%%,*}"
 
-               if [ -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
                        for prefix in $PREFIXES $ADDRESSES; do
@@ -118,7 +163,7 @@ setup_interface () {
                MAPRULE="$LW4O6"
        fi
 
-       [ -n "$ZONE" ] || ZONE=$(fw3 -q 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}_4
@@ -127,10 +172,13 @@ setup_interface () {
                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=$ZONE
                [ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
+               [ -n "$ENCAPLIMIT_MAP" ] && json_add_string encaplimit "$ENCAPLIMIT_MAP"
                [ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
                json_close_object
                ubus call network add_dynamic "$(json_dump)"
@@ -144,6 +192,7 @@ setup_interface () {
                json_add_string tunlink "$INTERFACE"
                [ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
                [ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
+               [ -n "$ENCAPLIMIT_DSLITE" ] && json_add_string encaplimit "$ENCAPLIMIT_DSLITE"
                [ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
                json_close_object
                ubus call network add_dynamic "$(json_dump)"
@@ -154,6 +203,7 @@ setup_interface () {
                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 "$IFACE_464XLAT_DELEGATE"
@@ -161,13 +211,6 @@ setup_interface () {
                ubus call network add_dynamic "$(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" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
-       [ -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
 }
 
@@ -193,6 +236,6 @@ case "$2" in
 esac
 
 # user rules
-[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
+[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user "$@"
 
 exit 0