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@ -4,10 +4,11 @@ fw_configure_interface() { |
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local iface=$1 |
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local action=$2 |
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local ifname=$3 |
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local aliasnet=$4 |
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[ "$action" == "add" ] && { |
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local status=$(uci_get_state network "$iface" up 0) |
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[ "$status" == 1 ] || return 0 |
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[ "$status" == 1 ] || [ -n "$aliasnet" ] || return 0 |
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} |
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[ -n "$ifname" ] || ifname=$(uci_get_state network "$iface" ifname "$iface") |
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@ -20,59 +21,116 @@ fw_configure_interface() { |
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local zone=$2 |
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local chain=zone_${zone} |
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local ifname=$3 |
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local subnet=$4 |
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local inet onet |
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local mode=$(fw_get_family_mode x $zone i) |
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fw $action $mode f ${chain}_ACCEPT ACCEPT ^ { -o "$ifname" } |
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fw $action $mode f ${chain}_ACCEPT ACCEPT ^ { -i "$ifname" } |
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fw $action $mode f ${chain}_DROP DROP ^ { -o "$ifname" } |
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fw $action $mode f ${chain}_DROP DROP ^ { -i "$ifname" } |
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fw $action $mode f ${chain}_REJECT reject ^ { -o "$ifname" } |
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fw $action $mode f ${chain}_REJECT reject ^ { -i "$ifname" } |
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fw $action $mode n ${chain}_nat MASQUERADE ^ { -o "$ifname" } |
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fw $action $mode f ${chain}_MSSFIX TCPMSS ^ { -o "$ifname" -p tcp --tcp-flags SYN,RST SYN --clamp-mss-to-pmtu } |
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fw $action $mode f input ${chain} $ { -i "$ifname" } |
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fw $action $mode f forward ${chain}_forward $ { -i "$ifname" } |
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fw $action $mode n PREROUTING ${chain}_prerouting ^ { -i "$ifname" } |
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fw $action $mode r PREROUTING ${chain}_notrack ^ { -i "$ifname" } |
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case "$mode/$subnet" in |
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# Zone supports v6 only or dual, need v6 |
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6/*:*|i/*:*) |
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inet="{ -s $subnet -d ::/0 }" |
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onet="{ -s ::/0 -d $subnet }" |
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mode=6 |
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;; |
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# Zone supports v4 only or dual, need v4 |
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4/*.*.*.*|i/*.*.*.*) |
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inet="{ -s $subnet -d 0.0.0.0/0 }" |
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onet="{ -s 0.0.0.0/0 -d $subnet }" |
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mode=4 |
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;; |
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# Need v6 while zone is v4 |
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*/*:*) fw_log info "zone $zone does not support IPv6 address family, skipping"; return ;; |
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# Need v4 while zone is v6 |
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*/*.*) fw_log info "zone $zone does not support IPv4 address family, skipping"; return ;; |
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esac |
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fw $action $mode f ${chain}_ACCEPT ACCEPT ^ $onet { -o "$ifname" } |
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fw $action $mode f ${chain}_ACCEPT ACCEPT ^ $inet { -i "$ifname" } |
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fw $action $mode f ${chain}_DROP DROP ^ $onet { -o "$ifname" } |
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fw $action $mode f ${chain}_DROP DROP ^ $inet { -i "$ifname" } |
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fw $action $mode f ${chain}_REJECT reject ^ $onet { -o "$ifname" } |
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fw $action $mode f ${chain}_REJECT reject ^ $inet { -i "$ifname" } |
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fw $action $mode n ${chain}_nat MASQUERADE ^ $onet { -o "$ifname" } |
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fw $action $mode f ${chain}_MSSFIX TCPMSS ^ $onet { -o "$ifname" -p tcp --tcp-flags SYN,RST SYN --clamp-mss-to-pmtu } |
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fw $action $mode f input ${chain} $ $inet { -i "$ifname" } |
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fw $action $mode f forward ${chain}_forward $ $inet { -i "$ifname" } |
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fw $action $mode n PREROUTING ${chain}_prerouting ^ $inet { -i "$ifname" } |
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fw $action $mode r PREROUTING ${chain}_notrack ^ $inet { -i "$ifname" } |
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} |
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local old_zones old_ifname |
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local old_zones old_ifname old_subnet |
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config_get old_zones core "${iface}_zone" |
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[ -n "$old_zones" ] && { |
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config_get old_ifname core "${iface}_ifname" |
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config_get old_subnet core "${iface}_subnet" |
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local z |
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for z in $old_zones; do |
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fw_log info "removing $iface ($old_ifname) from zone $z" |
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fw__do_rules del $z $old_ifname |
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fw_log info "removing $iface ($old_ifname${old_subnet:+ alias $old_subnet}) from zone $z" |
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fw__do_rules del $z $old_ifname $old_subnet |
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ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall |
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[ -n "$old_subnet" ] || ACTION=remove ZONE="$z" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall |
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done |
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local old_aliases |
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config_get old_aliases core "${iface}_aliases" |
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local a |
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for a in $old_aliases; do |
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fw_configure_interface "$a" del "$old_ifname" |
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done |
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uci_revert_state firewall core "${iface}_zone" |
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uci_revert_state firewall core "${iface}_ifname" |
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uci_revert_state firewall core "${iface}_subnet" |
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uci_revert_state firewall core "${iface}_aliases" |
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} |
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[ "$action" == del ] && return |
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local new_zones |
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local new_zones= |
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load_zone() { |
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fw_config_get_zone "$1" |
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list_contains zone_network "$iface" || return |
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fw_log info "adding $iface ($ifname) to zone $zone_name" |
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fw__do_rules add ${zone_name} "$ifname" |
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fw_log info "adding $iface ($ifname${aliasnet:+ alias $aliasnet}) to zone $zone_name" |
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fw__do_rules add ${zone_name} "$ifname" $aliasnet |
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append new_zones $zone_name |
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ACTION=add ZONE="$zone_name" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall |
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[ -n "$aliasnet" ] || ACTION=add ZONE="$zone_name" INTERFACE="$iface" DEVICE="$ifname" /sbin/hotplug-call firewall |
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} |
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config_foreach load_zone zone |
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uci_set_state firewall core "${iface}_zone" "$new_zones" |
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uci_set_state firewall core "${iface}_ifname" "$ifname" |
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[ -z "$aliasnet" ] && { |
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local aliases |
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config_get aliases "$iface" aliases |
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local a |
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for a in $aliases; do |
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local ipaddr netmask ip6addr |
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config_get ipaddr "$a" ipaddr |
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config_get netmask "$a" netmask |
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config_get ip6addr "$a" ip6addr |
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[ -n "$ipaddr" ] && fw_configure_interface "$a" add "$ifname" "$ipaddr${netmask:+/$netmask}" |
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[ -n "$ip6addr" ] && fw_configure_interface "$a" add "$ifname" "$ip6addr" |
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done |
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fw_sysctl_interface $ifname |
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fw_sysctl_interface $ifname |
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fw_callback post interface |
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fw_callback post interface |
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uci_set_state firewall core "${iface}_aliases" "$aliases" |
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} |
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uci_set_state firewall core "${iface}_zone" "$new_zones" |
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uci_set_state firewall core "${iface}_ifname" "$ifname" |
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uci_set_state firewall core "${iface}_subnet" "$aliasnet" |
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} |
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fw_sysctl_interface() { |
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