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215 lines
6.2 KiB
Bash
215 lines
6.2 KiB
Bash
#!/bin/sh
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[ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
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. /lib/functions.sh
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. /lib/netifd/netifd-proto.sh
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setup_interface () {
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local device="$1"
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local prefsig=""
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local addrsig=""
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proto_init_update "*" 1
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# Merge RA-DNS
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for radns in $RA_DNS; do
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local duplicate=0
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for dns in $RDNSS; do
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[ "$radns" = "$dns" ] && duplicate=1
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done
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[ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
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done
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for dns in $RDNSS; do
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proto_add_dns_server "$dns"
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done
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for radomain in $RA_DOMAINS; do
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local duplicate=0
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for domain in $DOMAINS; do
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[ "$radomain" = "$domain" ] && duplicate=1
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done
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[ "$duplicate" = 0 ] && DOMAINS="$DOMAINS $radomain"
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done
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for domain in $DOMAINS; do
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proto_add_dns_search "$domain"
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done
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for prefix in $PREFIXES; do
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proto_add_ipv6_prefix "$prefix"
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prefsig="$prefsig ${prefix%%,*}"
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local entry="${prefix#*/}"
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entry="${entry#*,}"
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entry="${entry#*,}"
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local valid="${entry%%,*}"
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if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
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-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
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RA_ROUTES="::/0,$SERVER,$valid,4096"
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fi
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done
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[ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
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# Merge addresses
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for entry in $RA_ADDRESSES; do
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local duplicate=0
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local addr="${entry%%/*}"
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for dentry in $ADDRESSES; do
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local daddr="${dentry%%/*}"
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[ "$addr" = "$daddr" ] && duplicate=1
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done
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[ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
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done
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for entry in $ADDRESSES; do
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local addr="${entry%%/*}"
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entry="${entry#*/}"
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local mask="${entry%%,*}"
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entry="${entry#*,}"
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local preferred="${entry%%,*}"
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entry="${entry#*,}"
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local valid="${entry%%,*}"
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proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
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addrsig="$addrsig $addr/$mask"
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if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
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-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
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RA_ROUTES="::/0,$SERVER,$valid,4096"
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fi
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done
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for entry in $RA_ROUTES; do
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local duplicate=$NOSOURCEFILTER
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local addr="${entry%%/*}"
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entry="${entry#*/}"
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local mask="${entry%%,*}"
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entry="${entry#*,}"
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local gw="${entry%%,*}"
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entry="${entry#*,}"
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local valid="${entry%%,*}"
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entry="${entry#*,}"
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local metric="${entry%%,*}"
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for xentry in $RA_ROUTES; do
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local xprefix="${xentry%%,*}"
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xentry="${xentry#*,}"
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local xgw="${xentry%%,*}"
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[ -n "$gw" -a -z "$xgw" -a "$addr/$mask" = "$xprefix" ] && duplicate=1
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done
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if [ -z "$gw" -o "$duplicate" = 1 ]; then
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proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
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else
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for prefix in $PREFIXES $ADDRESSES; do
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local paddr="${prefix%%,*}"
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proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
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done
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fi
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done
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proto_add_data
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[ -n "$CER" ] && json_add_string cer "$CER"
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[ -n "$PASSTHRU" ] && json_add_string passthru "$PASSTHRU"
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[ -n "$ZONE" ] && json_add_string zone "$ZONE"
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proto_close_data
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proto_send_update "$INTERFACE"
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MAPTYPE=""
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MAPRULE=""
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if [ -n "$MAPE" -a -f /lib/netifd/proto/map.sh ]; then
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MAPTYPE="map-e"
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MAPRULE="$MAPE"
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elif [ -n "$MAPT" -a -f /lib/netifd/proto/map.sh -a -f /proc/net/nat46/control ]; then
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MAPTYPE="map-t"
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MAPRULE="$MAPT"
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elif [ -n "$LW4O6" -a -f /lib/netifd/proto/map.sh ]; then
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MAPTYPE="lw4o6"
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MAPRULE="$LW4O6"
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fi
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[ -n "$ZONE" ] || ZONE=$(fw3 -q network $INTERFACE 2>/dev/null)
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if [ "$IFACE_MAP" != 0 -a -n "$MAPTYPE" -a -n "$MAPRULE" ]; then
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[ -z "$IFACE_MAP" -o "$IFACE_MAP" = 1 ] && IFACE_MAP=${INTERFACE}_4
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json_init
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json_add_string name "$IFACE_MAP"
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json_add_string ifname "@$INTERFACE"
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json_add_string proto map
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json_add_string type "$MAPTYPE"
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json_add_string _prefsig "$prefsig"
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[ "$MAPTYPE" = lw4o6 ] && json_add_string _addrsig "$addrsig"
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json_add_string rule "$MAPRULE"
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json_add_string tunlink "$INTERFACE"
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[ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
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[ -n "$ZONE_MAP" ] && json_add_string zone "$ZONE_MAP"
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[ -n "$IFACE_MAP_DELEGATE" ] && json_add_boolean delegate "$IFACE_MAP_DELEGATE"
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json_close_object
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ubus call network add_dynamic "$(json_dump)"
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elif [ -n "$AFTR" -a "$IFACE_DSLITE" != 0 -a -f /lib/netifd/proto/dslite.sh ]; then
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[ -z "$IFACE_DSLITE" -o "$IFACE_DSLITE" = 1 ] && IFACE_DSLITE=${INTERFACE}_4
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json_init
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json_add_string name "$IFACE_DSLITE"
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json_add_string ifname "@$INTERFACE"
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json_add_string proto "dslite"
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json_add_string peeraddr "$AFTR"
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json_add_string tunlink "$INTERFACE"
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[ -n "$ZONE_DSLITE" ] || ZONE_DSLITE=$ZONE
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[ -n "$ZONE_DSLITE" ] && json_add_string zone "$ZONE_DSLITE"
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[ -n "$IFACE_DSLITE_DELEGATE" ] && json_add_boolean delegate "$IFACE_DSLITE_DELEGATE"
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json_close_object
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ubus call network add_dynamic "$(json_dump)"
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elif [ "$IFACE_464XLAT" != 0 -a -f /lib/netifd/proto/464xlat.sh ]; then
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[ -z "$IFACE_464XLAT" -o "$IFACE_464XLAT" = 1 ] && IFACE_464XLAT=${INTERFACE}_4
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json_init
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json_add_string name "$IFACE_464XLAT"
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json_add_string ifname "@$INTERFACE"
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json_add_string proto "464xlat"
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json_add_string tunlink "$INTERFACE"
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json_add_string _addrsig "$addrsig"
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[ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
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[ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
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[ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"
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json_close_object
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ubus call network add_dynamic "$(json_dump)"
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fi
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# Apply IPv6 / ND configuration
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HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
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[ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
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[ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
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[ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
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[ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms
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# TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
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}
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teardown_interface() {
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proto_init_update "*" 0
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proto_send_update "$INTERFACE"
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}
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case "$2" in
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bound)
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teardown_interface "$1"
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setup_interface "$1"
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;;
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informed|updated|rebound)
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setup_interface "$1"
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;;
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ra-updated)
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[ -n "$ADDRESSES$RA_ADDRESSES$PREFIXES$USERPREFIX" ] && setup_interface "$1"
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;;
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started|stopped|unbound)
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teardown_interface "$1"
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;;
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esac
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# user rules
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[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
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exit 0
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