LIMIT_DOWN=0
LIMIT_DOWN_BURST=0
LIMIT_UP=0
+TC=/usr/sbin/tc
+IPT=/usr/sbin/iptables
+IPT6=/usr/sbin/ip6tables
IPT_REPLAY=/var/run/luci_splash.iptlog
LOCK=/var/run/luci_splash.lock
+[ -x $IPT6 ] && [ -f /proc/net/ipv6_route ] && HAS_IPV6=1
silent() {
"$@" 2>/dev/null
}
ipt_log() {
- iptables -I "$@"
- echo iptables -D "$@" >> $IPT_REPLAY
+ $IPT -I "$@"
+ echo $IPT -D "$@" >> $IPT_REPLAY
}
+ipt6_log() {
+ [ "$HAS_IPV6" = 1 ] || return
+ $IPT6 -I "$@"
+ echo $IPT6 -D "$@" >> $IPT_REPLAY
+}
+
+
iface_add() {
local cfg="$1"
config_get netmask "$net" netmask
[ -n "$netmask" ] || return 0
- config_get parentiface "$net" interface
- [ -n "$parentiface" ] && {
+ config_get ip6addr "$net" ip6addr
+
+ config_get type "$net" type
+
+ parentiface="$(uci -q get network.${net}.ifname)"
+
+ [ -n "$parentiface" ] && [ ! "$type" = "bridge" ] && {
+ parentiface=${parentiface#@}
config_get parentproto "$parentiface" proto
config_get parentipaddr "$parentiface" ipaddr
config_get parentnetmask "$parentiface" netmask
eval "$(ipcalc.sh $ipaddr $netmask)"
+ logger -s -p info -t splash "Add $NETWORK/$PREFIX ($ifname) to splashed networks."
+
### Add interface specific chain entry rules
- ipt_log "zone_${zone}_prerouting" -i "${ifname%:*}" -s "$NETWORK/$PREFIX" -j luci_splash_prerouting -t nat
- ipt_log "zone_${zone}_forward" -i "${ifname%:*}" -s "$NETWORK/$PREFIX" -j luci_splash_forwarding -t filter
+ ipt_log "prerouting_${zone}_rule" -i "${ifname%:*}" -s "$NETWORK/$PREFIX" -j luci_splash_prerouting -t nat
+ ipt_log "forwarding_${zone}_rule" -i "${ifname%:*}" -s "$NETWORK/$PREFIX" -j luci_splash_forwarding -t filter
+
+ if [ "$HAS_IPV6" = 1 ] && [ -n "$ip6addr" ]; then
+ ipt6_log "forwarding_${zone}_rule" -i "${ifname%:*}" -s "$ip6addr" -j luci_splash_forwarding -t filter
+ fi
### Allow traffic to the same subnet
- iptables -t nat -I luci_splash_prerouting -d "$ipaddr/${netmask:-32}" -j RETURN
- iptables -t filter -I luci_splash_forwarding -d "$ipaddr/${netmask:-32}" -j RETURN
+ $IPT -t nat -I luci_splash_prerouting -d "$ipaddr/${netmask:-32}" -j RETURN
+ $IPT -t filter -I luci_splash_forwarding -d "$ipaddr/${netmask:-32}" -j RETURN
### Allow traffic to the mesh subnet
[ "$parentproto" = "static" -a -n "$parentipaddr" ] && {
- iptables -t nat -I luci_splash_prerouting -d "$parentipaddr/${parentnetmask:-32}" -j RETURN
- iptables -t filter -I luci_splash_forwarding -d "$parentipaddr/${parentnetmask:-32}" -j RETURN
+ $IPT -t nat -I luci_splash_prerouting -d "$parentipaddr/${parentnetmask:-32}" -j RETURN
+ $IPT -t filter -I luci_splash_forwarding -d "$parentipaddr/${parentnetmask:-32}" -j RETURN
}
- qos_iface_add "$ifname"
+ qos_iface_add "$ifname" "$NETWORK" "$PREFIX"
}
iface_del() {
# Clear interface specific rules
[ -s $IPT_REPLAY ] && {
+ logger -s -p info -t splash "Remove $ifname from splashed networks."
grep -- "-i ${ifname%:*}" $IPT_REPLAY | while read ln; do silent $ln; done
sed -ie "/-i ${ifname%:*}/d" $IPT_REPLAY
}
append MACS "$mac"
}
+whitelist_add() {
+ config_get mac "$1" mac
+ iface=$2
+ $TC filter add dev "$iface" parent ffff: protocol ip prio 1 u32 match ether src $mac police pass
+ $TC filter add dev "$iface" parent 1:0 protocol ip prio 1 u32 match ether dst classid 1:1
+}
+
+
subnet_add() {
local cfg="$1"
config_get netmask "$cfg" netmask
[ -n "$ipaddr" ] && {
- iptables -t nat -I luci_splash_prerouting -d "$ipaddr/${netmask:-32}" -j RETURN
- iptables -t filter -I luci_splash_forwarding -d "$ipaddr/${netmask:-32}" -j RETURN
+ $IPT -t nat -I luci_splash_prerouting -d "$ipaddr/${netmask:-32}" -j RETURN
+ $IPT -t filter -I luci_splash_forwarding -d "$ipaddr/${netmask:-32}" -j RETURN
}
}
qos_iface_add() {
local iface="$1"
+ local network="$2"
+ local prefix="$3"
- # 77 -> download root qdisc
- # 78 -> upload root qdisc
- # 79 -> fwmark: client->inet
- # 80 -> fwmark: inet->client
+ # 77 -> download root qdisc
+ # ffff -> upload root qdisc
- silent tc qdisc del dev "$iface" root handle 77:
+ silent $TC qdisc del dev "$iface" root handle 1:
+ silent $TC class del dev "$iface" parent 1: classid 1:ffff
+ silent $TC class del dev "$iface" parent 1: classid 1:1
+ silent $TC filter del dev "$iface" parent ffff: protocol ip prio 1 u32
+ silent $TC filter del dev "$iface" parent ffff: protocol ip prio 2 u32
+ silent $TC filter del dev "$iface" parent ffff: protocol ip prio 3 u32
if [ "$LIMIT_UP" -gt 0 -a "$LIMIT_DOWN" -gt 0 ]; then
- tc qdisc add dev "$iface" root handle 77: htb
+ # Setup qdiscs
+ $TC qdisc add dev "$iface" root handle 1: htb default 1
+ silent $TC qdisc add dev "$iface" ingress
- # assume maximum rate of 20.000 kilobit for wlan
- tc class add dev "$iface" parent 77: classid 77:1 htb rate 20000kbit
+ # Default class - all clients which are not otherwise handled are put in that class
+ # and share that bandwidth.
+ $TC class add dev "$iface" parent 1: classid 1:ffff htb rate ${LIMIT_DOWN}kbit
- # set download limit and burst
- tc class add dev "$iface" parent 77:1 classid 77:10 htb \
- rate ${LIMIT_DOWN}kbit ceil ${LIMIT_DOWN_BURST}kbit prio 2
+ # default class and class for whitelisted clients = unlimited
+ $TC class add dev "$iface" parent 1: classid 1:1 htb rate 100mbit
- tc qdisc add dev "$iface" parent 77:10 handle 78: sfq perturb 10
+ # All traffic to the dhcp subnet is put into the limited class
+ $TC filter add dev "$iface" parent 1:0 protocol ip prio 3 u32 match ip dst $network/$prefix classid 1:ffff
+ $TC qdisc add dev "$iface" parent 1:ffff sfq perturb 10
+ $TC filter add dev "$iface" parent ffff: protocol ip prio 3 u32 match ip src $network/$prefix police rate ${LIMIT_UP}kbit mtu 6k burst 6k drop
- # adding ingress can result in "File exists" if qos-scripts are active
- silent tc qdisc add dev "$iface" ingress
+ # classify packets by their iptables MARK set in luci_splash_mark_in (mangle table)
+ # every client gets his own class and so his own bandwidth limit
+ $TC filter add dev "$iface" parent 1:0 protocol ip prio 2 fw
- # set client download speed
- tc filter add dev "$iface" parent 77: protocol ip prio 2 \
- handle 80 fw flowid 77:10
-
- # set client upload speed
- tc filter add dev "$iface" parent ffff: protocol ip prio 1 \
- handle 79 fw police rate ${LIMIT_UP}kbit mtu 6k burst 6k drop
+ config_foreach whitelist_add whitelist $iface
fi
}
qos_iface_del() {
local iface="$1"
-
- silent tc qdisc del dev "$iface" root handle 77:
- silent tc qdisc del dev "$iface" root handle 78:
- silent tc filter del dev "$iface" parent ffff: protocol ip prio 1 handle 79 fw
+ silent $TC qdisc del dev "$iface" root handle 77:
}
boot() {
}
start() {
- lock -w $LOCK && lock $LOCK
-
+ lock $LOCK
+ logger -s -p info -t splash "Starting luci-splash"
include /lib/network
+ . /lib/functions/network.sh
scan_interfaces
config_load luci_splash
}
### Create subchains
- iptables -t nat -N luci_splash_prerouting
- iptables -t nat -N luci_splash_leases
- iptables -t filter -N luci_splash_forwarding
- iptables -t filter -N luci_splash_filter
+ $IPT -t nat -N luci_splash_prerouting
+ $IPT -t nat -N luci_splash_leases
+ $IPT -t filter -N luci_splash_forwarding
+ $IPT -t filter -N luci_splash_filter
+
+ if [ "$HAS_IPV6" = 1 ]; then
+ $IPT6 -t filter -N luci_splash_forwarding
+ $IPT6 -t filter -N luci_splash_filter
+ fi
### Clear iptables replay log
[ -s $IPT_REPLAY ] && . $IPT_REPLAY
echo -n > $IPT_REPLAY
- ### Build the main and portal rule
- config_foreach iface_add iface
- config_foreach subnet_add subnet
-
### Add interface independant prerouting rules
- iptables -t nat -A luci_splash_prerouting -j luci_splash_leases
- iptables -t nat -A luci_splash_leases -p udp --dport 53 -j REDIRECT --to-ports 53
- iptables -t nat -A luci_splash_leases -p tcp --dport 80 -j REDIRECT --to-ports 8082
+ $IPT -t nat -A luci_splash_prerouting -j luci_splash_leases
+ $IPT -t nat -A luci_splash_leases -p udp --dport 53 -j REDIRECT --to-ports 53
+ $IPT -t nat -A luci_splash_leases -p tcp --dport 80 -j REDIRECT --to-ports 8082
### Add interface independant forwarding rules
- iptables -t filter -A luci_splash_forwarding -j luci_splash_filter
- iptables -t filter -A luci_splash_filter -p tcp -j REJECT --reject-with tcp-reset
- iptables -t filter -A luci_splash_filter -j REJECT --reject-with icmp-net-prohibited
+ $IPT -t filter -A luci_splash_forwarding -j luci_splash_filter
+ $IPT -t filter -A luci_splash_filter -p tcp -j REJECT --reject-with tcp-reset
+ $IPT -t filter -A luci_splash_filter -j REJECT --reject-with icmp-net-prohibited
+
+ if [ "$HAS_IPV6" = 1 ]; then
+ $IPT6 -t filter -A luci_splash_forwarding -j luci_splash_filter
+ $IPT6 -t filter -A luci_splash_filter -p tcp -j REJECT --reject-with tcp-reset
+ $IPT6 -t filter -A luci_splash_filter -j REJECT --reject-with adm-prohibited
+ fi
### Add QoS chain
- [ "$LIMIT_UP" -gt 0 -a "$LIMIT_DOWN" -gt 0 ] && {
- iptables -t mangle -N luci_splash_mark_out
- iptables -t mangle -N luci_splash_mark_in
- iptables -t mangle -I PREROUTING -j luci_splash_mark_out
- iptables -t mangle -I POSTROUTING -j luci_splash_mark_in
- }
+ $IPT -t mangle -N luci_splash_mark_out
+ $IPT -t mangle -N luci_splash_mark_in
+ $IPT -t mangle -I PREROUTING -j luci_splash_mark_out
+ $IPT -t mangle -I POSTROUTING -j luci_splash_mark_in
+
+ if [ "$HAS_IPV6" = 1 ]; then
+ $IPT6 -t mangle -N luci_splash_mark_out
+ $IPT6 -t mangle -N luci_splash_mark_in
+ $IPT6 -t mangle -I PREROUTING -j luci_splash_mark_out
+ $IPT6 -t mangle -I POSTROUTING -j luci_splash_mark_in
+ fi
+
+ ### Build the main and portal rule
+ config_foreach iface_add iface
+ config_foreach subnet_add subnet
### Find active mac addresses
MACS=""
- config_foreach mac_add lease
+
+
config_foreach mac_add blacklist
config_foreach mac_add whitelist
+ #config_load luci_splash_leases
+ config_foreach mac_add lease
+
### Add crontab entry
test -f /etc/crontabs/root || touch /etc/crontabs/root
grep -q luci-splash /etc/crontabs/root || {
}
stop() {
- lock -w $LOCK && lock $LOCK
+ lock $LOCK
include /lib/network
scan_interfaces
### Clear interface rules
config_foreach iface_del iface
- silent iptables -t mangle -D PREROUTING -j luci_splash_mark_out
- silent iptables -t mangle -D POSTROUTING -j luci_splash_mark_in
+ silent $IPT -t mangle -D PREROUTING -j luci_splash_mark_out
+ silent $IPT -t mangle -D POSTROUTING -j luci_splash_mark_in
+
+ if [ "$HAS_IPV6" = 1 ]; then
+ silent $IPT6 -t mangle -D PREROUTING -j luci_splash_mark_out
+ silent $IPT6 -t mangle -D POSTROUTING -j luci_splash_mark_in
+ fi
### Clear subchains
- silent iptables -t nat -F luci_splash_prerouting
- silent iptables -t nat -F luci_splash_leases
- silent iptables -t filter -F luci_splash_forwarding
- silent iptables -t filter -F luci_splash_filter
- silent iptables -t mangle -F luci_splash_mark_out
- silent iptables -t mangle -F luci_splash_mark_in
+ silent $IPT -t nat -F luci_splash_prerouting
+ silent $IPT -t nat -F luci_splash_leases
+ silent $IPT -t filter -F luci_splash_forwarding
+ silent $IPT -t filter -F luci_splash_filter
+ silent $IPT -t mangle -F luci_splash_mark_out
+ silent $IPT -t mangle -F luci_splash_mark_in
+
+ if [ "$HAS_IPV6" = 1 ]; then
+ $IPT6 -t filter -F luci_splash_forwarding
+ $IPT6 -t filter -F luci_splash_filter
+ $IPT6 -t mangle -F luci_splash_mark_out
+ $IPT6 -t mangle -F luci_splash_mark_in
+ fi
### Delete subchains
- silent iptables -t nat -X luci_splash_prerouting
- silent iptables -t nat -X luci_splash_leases
- silent iptables -t filter -X luci_splash_forwarding
- silent iptables -t filter -X luci_splash_filter
- silent iptables -t mangle -X luci_splash_mark_out
- silent iptables -t mangle -X luci_splash_mark_in
-
+ silent $IPT -t nat -X luci_splash_prerouting
+ silent $IPT -t nat -X luci_splash_leases
+ silent $IPT -t filter -X luci_splash_forwarding
+ silent $IPT -t filter -X luci_splash_filter
+ silent $IPT -t mangle -X luci_splash_mark_out
+ silent $IPT -t mangle -X luci_splash_mark_in
+ if [ "$HAS_IPV6" = 1 ]; then
+ $IPT6 -t filter -X luci_splash_forwarding
+ $IPT6 -t filter -X luci_splash_filter
+ $IPT6 -t mangle -X luci_splash_mark_out
+ $IPT6 -t mangle -X luci_splash_mark_in
+ fi
sed -ie '/\/usr\/sbin\/luci-splash sync/d' /var/spool/cron/crontabs/root
lock -u $LOCK
projects / project / luci.git / blobdiff