[package] libpcap: explicitely disable libnl support to prevent different build resul...

[openwrt.git] / package / firewall / files / lib / core_rule.sh

diff --git a/package/firewall/files/lib/core_rule.sh b/package/firewall/files/lib/core_rule.sh
index 7beb153..f49c42a 100644 (file)
--- a/package/firewall/files/lib/core_rule.sh
+++ b/package/firewall/files/lib/core_rule.sh
@@ -11,58 +11,99 @@ fw_config_get_rule() {
                string src_port "" \
                string dest "" \
                ipaddr dest_ip "" \
-               string dest_mac "" \
                string dest_port "" \
                string icmp_type "" \
                string proto "tcpudp" \
                string target "" \
                string family "" \
+               string limit "" \
+               string limit_burst "" \
+               string extra "" \
        } || return
        [ -n "$rule_name" ] || rule_name=$rule__name
-       [ "$rule_proto" == "icmp" ] || rule_icmp_type=
 }
 
 fw_load_rule() {
        fw_config_get_rule "$1"
 
-       fw_callback pre rule
+       [ "$rule_target" != "NOTRACK" ] || [ -n "$rule_src" ] || [ "$rule_src" != "*" ] || {
+               fw_log error "NOTRACK rule ${rule_name}: needs src, skipping"
+               return 0
+       }
 
-       rule_src_port=$(fw_get_port_range $rule_src_port)
-       rule_dest_port=$(fw_get_port_range $rule_dest_port)
+       fw_callback pre rule
 
+       local table=f
        local chain=input
-       [ -n "$rule_src" ] && {
-               [ -z "$rule_dest" ] && {
-                       chain=zone_${rule_src}
-               } || {
-                       chain=zone_${rule_src}_forward
-               }
-       }
+       local target="${rule_target:-REJECT}"
+       if [ "$target" == "NOTRACK" ]; then
+               table=r
+               chain="zone_${rule_src}_notrack"
+       else
+               if [ -n "$rule_src" ]; then
+                       if [ "$rule_src" != "*" ]; then
+                               chain="zone_${rule_src}${rule_dest:+_forward}"
+                       else
+                               chain="${rule_dest:+forward}"
+                               chain="${chain:-input}"
+                       fi
+               fi
 
-       local target=$rule_target
-       [ -z "$target" ] && {
-               target=REJECT
-       }
-       [ -n "$dest" ] && {
-               target=zone_${rule_dest}_${target}
-       }
+               if [ -n "$rule_dest" ]; then
+                       if [ "$rule_dest" != "*" ]; then
+                               target="zone_${rule_dest}_${target}"
+                       elif [ "$target" = REJECT ]; then
+                               target=reject
+                       fi
+               fi
+       fi
 
-       local mode=$(fw_get_family_mode ${rule_family:-x} $rule_src I)
+       local mode
+       fw_get_family_mode mode ${rule_family:-x} "$rule_src" I
 
-       local rule_pos
-       eval 'rule_pos=$((++FW__RULE_COUNT_'$mode'_'$chain'))'
+       local src_spec dest_spec
+       fw_get_negation src_spec '-s' "${rule_src_ip:+$rule_src_ip/$rule_src_ip_prefixlen}"
+       fw_get_negation dest_spec '-d' "${rule_dest_ip:+$rule_dest_ip/$rule_dest_ip_prefixlen}"
 
        [ "$rule_proto" == "tcpudp" ] && rule_proto="tcp udp"
-       for rule_proto in $rule_proto; do
-               fw add $mode f $chain $target $rule_pos { $rule_src_ip $rule_dest_ip } { \
-                       ${rule_proto:+-p $rule_proto} \
-                       ${rule_src_ip:+-s $rule_src_ip} \
-                       ${rule_src_port:+--sport $rule_src_port} \
-                       ${rule_src_mac:+-m mac --mac-source $rule_src_mac} \
-                       ${rule_dest_ip:+-d $rule_dest_ip} \
-                       ${rule_dest_port:+--dport $rule_dest_port} \
-                       ${rule_icmp_type:+--icmp-type $rule_icmp_type} \
-               }
+       local pr; for pr in $rule_proto; do
+               local sports dports itypes
+               case "$pr" in
+                       icmp|icmpv6|1|58)
+                               sports=""; dports=""
+                               itypes="$rule_icmp_type"
+                       ;;
+                       *)
+                               sports="$rule_src_port"
+                               dports="$rule_dest_port"
+                               itypes=""
+                       ;;
+               esac
+       
+               fw_get_negation pr '-p' "$pr"
+               local sp; for sp in ${sports:-""}; do
+                       fw_get_port_range sp $sp
+                       fw_get_negation sp '--sport' "$sp"
+                       local dp; for dp in ${dports:-""}; do
+                               fw_get_port_range dp $dp
+                               fw_get_negation dp '--dport' "$dp"
+                               local sm; for sm in ${rule_src_mac:-""}; do
+                                       fw_get_negation sm '--mac-source' "$sm"
+                                       local it; for it in ${itypes:-""}; do
+                                               fw_get_negation it '--icmp-type' "$it"
+                                               fw add $mode $table $chain $target + \
+                                                       { $rule_src_ip $rule_dest_ip } { \
+                                                       $src_spec $dest_spec \
+                                                       $pr $sp $dp $it \
+                                                       ${sm:+-m mac $sm} \
+                                                       ${rule_limit:+-m limit --limit $rule_limit \
+                                                               ${rule_limit_burst:+--limit-burst $rule_limit_burst}} \
+                                                       $rule_extra \
+                                               }
+                                       done
+                               done
+                       done
+               done
        done
 
        fw_callback post rule