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firewall: - support alias ifnames different from parent ifname - properly handle multiple subnets per alias (v4+v6)

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SVN-Revision: 21656
This commit is contained in:
Jo-Philipp Wich 2010-06-02 00:59:35 +00:00
parent 94db915196
commit 48c357ec01
1 changed files with 23 additions and 10 deletions
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33
package/firewall/files/lib/core_interface.sh
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@ -11,7 +11,11 @@ fw_configure_interface() {
[ "$status" == 1 ] || [ -n "$aliasnet" ] || return 0
}
[ -n "$ifname" ] || ifname=$(uci_get_state network "$iface" ifname "$iface")
[ -n "$ifname" ] || {
ifname=$(uci_get_state network "$iface" ifname "$iface")
ifname="${ifname%%:*}"
}
[ "$ifname" == "lo" ] && return 0
fw_callback pre interface
@ -64,18 +68,21 @@ fw_configure_interface() {
fw $action $mode r PREROUTING ${chain}_notrack ^ $inet { -i "$ifname" }
}
local old_zones old_ifname old_subnet
local old_zones old_ifname old_subnets
config_get old_zones core "${iface}_zone"
[ -n "$old_zones" ] && {
config_get old_ifname core "${iface}_ifname"
config_get old_subnet core "${iface}_subnet"
config_get old_subnets core "${iface}_subnets"
local z
for z in $old_zones; do
fw_log info "removing $iface ($old_ifname${old_subnet:+ alias $old_subnet}) from zone $z"
fw__do_rules del $z $old_ifname $old_subnet
local n
for n in ${old_subnets:-""}; do
fw_log info "removing $iface ($old_ifname${n:+ alias $n}) from zone $z"
fw__do_rules del $z $old_ifname $n
done
[ -n "$old_subnet" ] || ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall
[ -n "$old_subnets" ] || ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall
done
local old_aliases
@ -88,7 +95,7 @@ fw_configure_interface() {
uci_revert_state firewall core "${iface}_zone"
uci_revert_state firewall core "${iface}_ifname"
uci_revert_state firewall core "${iface}_subnet"
uci_revert_state firewall core "${iface}_subnets"
uci_revert_state firewall core "${iface}_aliases"
}
@ -118,19 +125,25 @@ fw_configure_interface() {
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"
[ -n "$ipaddr" ] && fw_configure_interface "$a" add "" "$ipaddr${netmask:+/$netmask}"
[ -n "$ip6addr" ] && fw_configure_interface "$a" add "" "$ip6addr"
done
fw_sysctl_interface $ifname
fw_callback post interface
uci_set_state firewall core "${iface}_aliases" "$aliases"
} || {
local subnets=
config_get subnets core "${iface}_subnets"
append subnets "$aliasnet"
config_set core "${iface}_subnets" "$subnets"
uci_set_state firewall core "${iface}_subnets" "$subnets"
}
uci_set_state firewall core "${iface}_zone" "$new_zones"
uci_set_state firewall core "${iface}_ifname" "$ifname"
uci_set_state firewall core "${iface}_subnet" "$aliasnet"
}
fw_sysctl_interface() {