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-rw-r--r--package/firewall/Makefile2
-rw-r--r--package/firewall/files/lib/core_interface.sh112
-rw-r--r--package/firewall/files/lib/core_rule.sh1
3 files changed, 86 insertions, 29 deletions
diff --git a/package/firewall/Makefile b/package/firewall/Makefile
index 2387df247b..b81531bdf2 100644
--- a/package/firewall/Makefile
+++ b/package/firewall/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=firewall
PKG_VERSION:=2
-PKG_RELEASE:=5
+PKG_RELEASE:=6
include $(INCLUDE_DIR)/package.mk
diff --git a/package/firewall/files/lib/core_interface.sh b/package/firewall/files/lib/core_interface.sh
index de5fd9a0ea..56ff1a118d 100644
--- a/package/firewall/files/lib/core_interface.sh
+++ b/package/firewall/files/lib/core_interface.sh
@@ -4,10 +4,11 @@ fw_configure_interface() {
local iface=$1
local action=$2
local ifname=$3
+ local aliasnet=$4
[ "$action" == "add" ] && {
local status=$(uci_get_state network "$iface" up 0)
- [ "$status" == 1 ] || return 0
+ [ "$status" == 1 ] || [ -n "$aliasnet" ] || return 0
}
[ -n "$ifname" ] || ifname=$(uci_get_state network "$iface" ifname "$iface")
@@ -20,59 +21,116 @@ fw_configure_interface() {
local zone=$2
local chain=zone_${zone}
local ifname=$3
+ local subnet=$4
+ local inet onet
local mode=$(fw_get_family_mode x $zone i)
- fw $action $mode f ${chain}_ACCEPT ACCEPT ^ { -o "$ifname" }
- fw $action $mode f ${chain}_ACCEPT ACCEPT ^ { -i "$ifname" }
- fw $action $mode f ${chain}_DROP DROP ^ { -o "$ifname" }
- fw $action $mode f ${chain}_DROP DROP ^ { -i "$ifname" }
- fw $action $mode f ${chain}_REJECT reject ^ { -o "$ifname" }
- fw $action $mode f ${chain}_REJECT reject ^ { -i "$ifname" }
-
- fw $action $mode n ${chain}_nat MASQUERADE ^ { -o "$ifname" }
- fw $action $mode f ${chain}_MSSFIX TCPMSS ^ { -o "$ifname" -p tcp --tcp-flags SYN,RST SYN --clamp-mss-to-pmtu }
-
- fw $action $mode f input ${chain} $ { -i "$ifname" }
- fw $action $mode f forward ${chain}_forward $ { -i "$ifname" }
- fw $action $mode n PREROUTING ${chain}_prerouting ^ { -i "$ifname" }
- fw $action $mode r PREROUTING ${chain}_notrack ^ { -i "$ifname" }
+ case "$mode/$subnet" in
+ # Zone supports v6 only or dual, need v6
+ 6/*:*|i/*:*)
+ inet="{ -s $subnet -d ::/0 }"
+ onet="{ -s ::/0 -d $subnet }"
+ mode=6
+ ;;
+
+ # Zone supports v4 only or dual, need v4
+ 4/*.*.*.*|i/*.*.*.*)
+ inet="{ -s $subnet -d 0.0.0.0/0 }"
+ onet="{ -s 0.0.0.0/0 -d $subnet }"
+ mode=4
+ ;;
+
+ # Need v6 while zone is v4
+ */*:*) fw_log info "zone $zone does not support IPv6 address family, skipping"; return ;;
+
+ # Need v4 while zone is v6
+ */*.*) fw_log info "zone $zone does not support IPv4 address family, skipping"; return ;;
+ esac
+
+ fw $action $mode f ${chain}_ACCEPT ACCEPT ^ $onet { -o "$ifname" }
+ fw $action $mode f ${chain}_ACCEPT ACCEPT ^ $inet { -i "$ifname" }
+ fw $action $mode f ${chain}_DROP DROP ^ $onet { -o "$ifname" }
+ fw $action $mode f ${chain}_DROP DROP ^ $inet { -i "$ifname" }
+ fw $action $mode f ${chain}_REJECT reject ^ $onet { -o "$ifname" }
+ fw $action $mode f ${chain}_REJECT reject ^ $inet { -i "$ifname" }
+
+ fw $action $mode n ${chain}_nat MASQUERADE ^ $onet { -o "$ifname" }
+ fw $action $mode f ${chain}_MSSFIX TCPMSS ^ $onet { -o "$ifname" -p tcp --tcp-flags SYN,RST SYN --clamp-mss-to-pmtu }
+
+ fw $action $mode f input ${chain} $ $inet { -i "$ifname" }
+ fw $action $mode f forward ${chain}_forward $ $inet { -i "$ifname" }
+ fw $action $mode n PREROUTING ${chain}_prerouting ^ $inet { -i "$ifname" }
+ fw $action $mode r PREROUTING ${chain}_notrack ^ $inet { -i "$ifname" }
}
- local old_zones old_ifname
+ local old_zones old_ifname old_subnet
config_get old_zones core "${iface}_zone"
[ -n "$old_zones" ] && {
config_get old_ifname core "${iface}_ifname"
+ config_get old_subnet core "${iface}_subnet"
+
+ local z
for z in $old_zones; do
- fw_log info "removing $iface ($old_ifname) from zone $z"
- fw__do_rules del $z $old_ifname
+ fw_log info "removing $iface ($old_ifname${old_subnet:+ alias $old_subnet}) from zone $z"
+ fw__do_rules del $z $old_ifname $old_subnet
- ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall
+ [ -n "$old_subnet" ] || ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall
done
+
+ local old_aliases
+ config_get old_aliases core "${iface}_aliases"
+
+ local a
+ for a in $old_aliases; do
+ fw_configure_interface "$a" del "$old_ifname"
+ done
+
uci_revert_state firewall core "${iface}_zone"
uci_revert_state firewall core "${iface}_ifname"
+ uci_revert_state firewall core "${iface}_subnet"
+ uci_revert_state firewall core "${iface}_aliases"
}
+
[ "$action" == del ] && return
- local new_zones
+ local new_zones=
load_zone() {
fw_config_get_zone "$1"
list_contains zone_network "$iface" || return
- fw_log info "adding $iface ($ifname) to zone $zone_name"
- fw__do_rules add ${zone_name} "$ifname"
+ fw_log info "adding $iface ($ifname${aliasnet:+ alias $aliasnet}) to zone $zone_name"
+ fw__do_rules add ${zone_name} "$ifname" $aliasnet
append new_zones $zone_name
- ACTION=add ZONE="$zone_name" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall
+ [ -n "$aliasnet" ] || ACTION=add ZONE="$zone_name" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall
}
config_foreach load_zone zone
- uci_set_state firewall core "${iface}_zone" "$new_zones"
- uci_set_state firewall core "${iface}_ifname" "$ifname"
+ [ -z "$aliasnet" ] && {
+ local aliases
+ config_get aliases "$iface" aliases
+
+ local a
+ for a in $aliases; do
+ local ipaddr netmask ip6addr
+ config_get ipaddr "$a" ipaddr
+ config_get netmask "$a" netmask
+ config_get ip6addr "$a" ip6addr
+
+ [ -n "$ipaddr" ] && fw_configure_interface "$a" add "$ifname" "$ipaddr${netmask:+/$netmask}"
+ [ -n "$ip6addr" ] && fw_configure_interface "$a" add "$ifname" "$ip6addr"
+ done
- fw_sysctl_interface $ifname
+ fw_sysctl_interface $ifname
+ fw_callback post interface
- fw_callback post interface
+ uci_set_state firewall core "${iface}_aliases" "$aliases"
+ }
+
+ uci_set_state firewall core "${iface}_zone" "$new_zones"
+ uci_set_state firewall core "${iface}_ifname" "$ifname"
+ uci_set_state firewall core "${iface}_subnet" "$aliasnet"
}
fw_sysctl_interface() {
diff --git a/package/firewall/files/lib/core_rule.sh b/package/firewall/files/lib/core_rule.sh
index f93d49ebcf..e1f8d2ae15 100644
--- a/package/firewall/files/lib/core_rule.sh
+++ b/package/firewall/files/lib/core_rule.sh
@@ -11,7 +11,6 @@ fw_config_get_rule() {
string src_port "" \
string dest "" \
ipaddr dest_ip "" \
- string dest_mac "" \
string dest_port "" \
string icmp_type "" \
string proto "tcpudp" \
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 21:32:02 +0000