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author | Felix Fietkau <nbd@openwrt.org> | 2012-10-10 12:32:29 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2012-10-10 12:32:29 +0000 |
commit | 405e21d16731b2764ab82aaaadcf36a813b105f7 (patch) | |
tree | c6f9a8402389a5081519b91ce62c4a8cafcb8917 /package/network/config/firewall/files/lib/core_rule.sh | |
parent | d0ec348ded6f715b43b396b06ccb10599b37969d (diff) | |
download | upstream-405e21d16731b2764ab82aaaadcf36a813b105f7.tar.gz upstream-405e21d16731b2764ab82aaaadcf36a813b105f7.tar.bz2 upstream-405e21d16731b2764ab82aaaadcf36a813b105f7.zip |
packages: sort network related packages into package/network/
SVN-Revision: 33688
Diffstat (limited to 'package/network/config/firewall/files/lib/core_rule.sh')
-rw-r--r-- | package/network/config/firewall/files/lib/core_rule.sh | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/package/network/config/firewall/files/lib/core_rule.sh b/package/network/config/firewall/files/lib/core_rule.sh new file mode 100644 index 0000000000..f49c42af55 --- /dev/null +++ b/package/network/config/firewall/files/lib/core_rule.sh @@ -0,0 +1,110 @@ +# Copyright (C) 2009-2010 OpenWrt.org + +fw_config_get_rule() { + [ "${rule_NAME}" != "$1" ] || return + fw_config_get_section "$1" rule { \ + string _name "$1" \ + string name "" \ + string src "" \ + ipaddr src_ip "" \ + string src_mac "" \ + string src_port "" \ + string dest "" \ + ipaddr dest_ip "" \ + string dest_port "" \ + string icmp_type "" \ + string proto "tcpudp" \ + string target "" \ + string family "" \ + string limit "" \ + string limit_burst "" \ + string extra "" \ + } || return + [ -n "$rule_name" ] || rule_name=$rule__name +} + +fw_load_rule() { + fw_config_get_rule "$1" + + [ "$rule_target" != "NOTRACK" ] || [ -n "$rule_src" ] || [ "$rule_src" != "*" ] || { + fw_log error "NOTRACK rule ${rule_name}: needs src, skipping" + return 0 + } + + fw_callback pre rule + + local table=f + local chain=input + local target="${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 + + 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 mode ${rule_family:-x} "$rule_src" I + + 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" + 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 +} |