mirror of
https://github.com/fwbuilder/fwbuilder
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a544492ced
appropriate". Compiler for PF now uses keyword 'self' in rules where firewall object is used in Source or Destination.
411 lines
10 KiB
Bash
Executable File
411 lines
10 KiB
Bash
Executable File
#!/bin/sh
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#
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# This is automatically generated file. DO NOT MODIFY !
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#
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# Firewall Builder fwb_pf v4.3.0.3546
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#
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# Generated Thu May 26 14:09:02 2011 PDT by vadim
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#
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# files: * firewall103-2.fw /etc/fw/pf.fw
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# files: firewall103-2.conf /etc/fw/path\ with\ space/pf.conf
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#
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# Compiled for pf 4.0
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#
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# bridge interface, static address, shell script format, OpenBSD <4.7
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FWDIR=`dirname $0`
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IFCONFIG="/sbin/ifconfig"
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PFCTL="/sbin/pfctl"
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SYSCTL="/sbin/sysctl"
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LOGGER="/usr/bin/logger"
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log() {
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echo "$1"
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command -v "$LOGGER" >/dev/null 2>&1 && $LOGGER -p info "$1"
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}
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diff_intf() {
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func=$1
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list1=$2
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list2=$3
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cmd=$4
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for intf in $list1
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do
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echo $list2 | grep -q $intf || {
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# $vlan is absent in list 2
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$func $intf $cmd
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}
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done
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}
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missing_address() {
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address=$1
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cmd=$2
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oldIFS=$IFS
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IFS="@"
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set $address
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addr=$1
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interface=$2
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IFS=$oldIFS
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if echo "$addr" | grep -q ':'
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then
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inet="inet6"
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addr=$(echo "$addr" | sed 's!/! prefixlen !')
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else
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inet="inet"
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addr=$(echo "$addr" | sed 's!/! netmask !')
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fi
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parameter=""
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test "$cmd" = "add" && {
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echo "# Adding ip address: $interface $addr"
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parameter="alias"
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}
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test "$cmd" = "del" && {
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echo "# Removing ip address: $interface $addr"
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parameter="delete"
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}
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$FWBDEBUG $IFCONFIG $interface $inet $addr $parameter || exit 1
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$FWBDEBUG $IFCONFIG $interface up
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}
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list_addresses_by_scope() {
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interface=$1
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scope=$2
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ignore_list=$3
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scope_regex="1"
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if test -n "$scope"; then scope_regex=" \$0 !~ \"$scope\" "; fi
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$IFCONFIG $interface | sed "s/%$interface//" | \
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awk -v IGNORED="$ignore_list" \
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"BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
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}
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(/inet |inet6 / && $scope_regex && !(\$2 in ignored_dict)) {printf \"%s/%s\n\",\$2,\$4;}" | \
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while read addr; do
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echo "${addr}@$interface"
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done | sort
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}
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update_addresses_of_interface() {
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ignore_list=$2
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set $1
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interface=$1
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shift
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FWB_ADDRS=$(
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for addr in $*; do
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echo "${addr}@$interface"
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done | sort
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)
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CURRENT_ADDRS_ALL_SCOPES=""
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CURRENT_ADDRS_GLOBAL_SCOPE=""
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$IFCONFIG $interface >/dev/null 2>&1 && {
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CURRENT_ADDRS_ALL_SCOPES=$(list_addresses_by_scope $interface '' "$ignore_list")
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CURRENT_ADDRS_GLOBAL_SCOPE=$(list_addresses_by_scope $interface 'scopeid .*' "$ignore_list")
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} || {
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echo "# Interface $interface does not exist"
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# Stop the script if we are not in test mode
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test -z "$FWBDEBUG" && exit 1
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}
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echo "$interface" | grep -q carp && {
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diff_intf missing_address "$CURRENT_ADDRS_GLOBAL_SCOPE" "$FWB_ADDRS" del
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diff_intf missing_address "$FWB_ADDRS" "$CURRENT_ADDRS_ALL_SCOPES" add
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} || {
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diff_intf missing_address "$FWB_ADDRS" "$CURRENT_ADDRS_ALL_SCOPES" add
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diff_intf missing_address "$CURRENT_ADDRS_GLOBAL_SCOPE" "$FWB_ADDRS" del
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}
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}
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missing_vlan() {
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vlan=$1
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cmd=$2
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oldIFS=$IFS
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IFS="@:"
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set $vlan
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subint=$1
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vlan_id=$2
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parent=$3
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IFS=$oldIFS
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test "$cmd" = "add" && {
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echo "# Adding VLAN interface $subint (vlan id: $vlan_id parent: $parent)"
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$FWBDEBUG $IFCONFIG $subint vlan $vlan_id vlandev $parent || exit 1
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$FWBDEBUG $IFCONFIG $subint up || exit 1
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}
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test "$cmd" = "rem" && {
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echo "# Removing VLAN interface $subint (vlan id: $vlan_id parent: $parent)"
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$FWBDEBUG $IFCONFIG $subint vlan $vlan_id -vlandev || exit 1
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$FWBDEBUG $IFCONFIG $subint destroy || exit 1
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}
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}
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parse_fwb_vlans() {
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set $1
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vlan_parent=$1
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shift
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FWB_VLANS=$(
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for subint in $*; do
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echo "${subint}@$vlan_parent"
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done | sort
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)
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echo $FWB_VLANS
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}
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parse_current_vlans() {
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vlan_parent=$1
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$IFCONFIG -A | grep -E 'vlan[^ ]*:' | paste - - | \
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sed 's/flags=.*vlan://;s/://g;s/parent interface//' | \
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while read vlan_subint vlan_id parent
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do
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test "$parent" = "$vlan_parent" && echo "$vlan_subint:$vlan_id@$parent"
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done | sort
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}
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update_vlans_of_interface() {
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args="$1"
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set $1
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vlan_parent=$1
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FWB_VLANS=$(parse_fwb_vlans "$args")
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CURRENT_VLANS=$(parse_current_vlans $vlan_parent)
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$IFCONFIG $vlan_parent up || exit 1
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diff_intf missing_vlan "$FWB_VLANS" "$CURRENT_VLANS" add
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diff_intf missing_vlan "$CURRENT_VLANS" "$FWB_VLANS" rem
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}
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sync_vlan_interfaces() {
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$IFCONFIG -A | awk -v IGNORED="$*" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ii=ignored_arr[a]":"; ignored_dict[ii]=1;}
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}
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($1 ~ /^vlan[0-9]/ && !($1 in ignored_dict)) {print $1;}' | sed 's/://' |\
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while read intf; do
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echo "# Deleting vlan interface $intf"
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$FWBDEBUG $IFCONFIG $intf destroy || exit 1
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done
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for intf in $*; do
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$IFCONFIG $intf >/dev/null 2>&1 || {
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echo "# Creating vlan interface $intf"
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$FWBDEBUG $IFCONFIG $intf create || exit 1
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}
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done
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}
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BRCONFIG="brconfig"
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missing_port() {
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intf=$1
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cmd=$2
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oldIFS=$IFS
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IFS="@"
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set $intf
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port=$1
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bridge_interface=$2
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IFS=$oldIFS
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echo "# Updating bridge configuration: $bridge_interface $cmd $port"
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$FWBDEBUG $BRCONFIG $bridge_interface $cmd $port
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test "$cmd" = "addm" && $FWBDEBUG $IFCONFIG $port up
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}
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update_bridge_interface() {
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bridge_interface=$1
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shift
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FWB_PORTS=""
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CURRENT_PORTS=""
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FWB_PORTS=$(
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for subint in $*; do
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echo "${subint}@$bridge_interface"
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done | sort
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)
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# this is really redundant because we create missing bridge
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# interfaces in sync_bridge_interfaces. However will leave this
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# here so that function update_bridge can be used without prior
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# call to sync_bridge_interfaces The difference is that
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# sync_bridge_interfaces also deletes bridge interfaces that exist
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# on the machine but are missing in fwbuilder confgiuration. The
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# update_bridge function can only add bridge interfaces.
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$BRCONFIG $bridge_interface >/dev/null 2>&1 || {
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echo "# Creating bridge interface $bridge_interface"
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$FWBDEBUG $IFCONFIG $bridge_interface create
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$FWBDEBUG $IFCONFIG $bridge_interface up
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}
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PORTS=$(
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$BRCONFIG $bridge_interface | awk '($1~/member:/) { print $2; }'
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)
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test -n "$PORTS" && {
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CURRENT_PORTS=$(
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for subint in $PORTS; do
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echo "${subint}@$bridge_interface"
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done | sort
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)
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}
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# first delete bridge ports, then add. This way, if an interface
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# moves from one bridge to another, we remove it first and then
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# add. It would not work if we tried to add it first, brctl issues
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# an error:
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# device eth2 is already a member of a bridge; can't enslave it to bridge br1.
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#
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diff_intf missing_port "$CURRENT_PORTS" "$FWB_PORTS" deletem
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diff_intf missing_port "$FWB_PORTS" "$CURRENT_PORTS" addm
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}
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sync_bridge_interfaces() {
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$BRCONFIG -a | awk -F: -v IGNORED="$*" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
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}
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($1 ~ /^bridge[0-9]/ && !($1 in ignored_dict)) {print $1;}' | \
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while read brintf; do
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echo "# Deleting bridge interface $brintf"
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$FWBDEBUG $IFCONFIG $brintf down
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$FWBDEBUG $IFCONFIG $brintf destroy
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done
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for brint in $*; do
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$BRCONFIG $brint >/dev/null 2>&1 || {
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echo "# Creating bridge interface $brintf"
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$FWBDEBUG $IFCONFIG $brint create
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$FWBDEBUG $IFCONFIG $brint up
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}
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done
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}
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sync_carp_interfaces() {
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$IFCONFIG -A | awk -v IGNORED="$*" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ii=ignored_arr[a]":"; ignored_dict[ii]=1;}
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}
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($1 ~ /^carp[0-9]/ && !($1 in ignored_dict)) {print $1;}' | sed 's/://' |\
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while read intf; do
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echo "# Deleting carp interface $intf"
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$FWBDEBUG $IFCONFIG $intf destroy
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done
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for intf in $*; do
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$IFCONFIG $intf >/dev/null 2>&1 || {
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echo "# Creating carp interface $intf"
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$SYSCTL -w net.inet.carp.allow=1
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$FWBDEBUG $IFCONFIG $intf create || {
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echo "Error: CARP interface $intf could not be created. Does the kernel have CARP enabled?"
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exit 1
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}
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}
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done
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}
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sync_pfsync_interfaces() {
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$IFCONFIG -A | awk -v IGNORED="$*" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ii=ignored_arr[a]":"; ignored_dict[ii]=1;}
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}
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($1 ~ /^pfsync[0-9]/ && !($1 in ignored_dict)) {print $1;}' | sed 's/://' |\
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while read intf; do
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echo "# Deleting pfsync interface $intf"
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$FWBDEBUG $IFCONFIG $intf destroy
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done
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for intf in $*; do
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$IFCONFIG $intf >/dev/null 2>&1 || {
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echo "# Creating pfsync interface $intf"
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$FWBDEBUG $IFCONFIG $intf create
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}
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done
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}
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verify_interfaces() {
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:
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}
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set_kernel_vars() {
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:
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$SYSCTL -w net.inet.ip.forwarding=1
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}
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prolog_commands() {
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:
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}
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epilog_commands() {
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:
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}
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run_epilog_and_exit() {
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epilog_commands
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exit $1
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}
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configure_interfaces() {
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:
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sync_vlan_interfaces
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sync_bridge_interfaces bridge0
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sync_carp_interfaces
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sync_pfsync_interfaces
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update_addresses_of_interface "em0 10.3.14.81/0xffffff00" ""
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update_addresses_of_interface "em1 10.1.1.81/0xffffff00" ""
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update_addresses_of_interface "em2" ""
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update_addresses_of_interface "em3" ""
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update_bridge_interface bridge0 "em2 em3"
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$IFCONFIG bridge0 -stp em2
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$IFCONFIG bridge0 -stp em3
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update_addresses_of_interface "bridge0 192.168.1.1/0xffffff00" ""
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}
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log "Activating firewall script generated Thu May 26 14:09:02 2011 by vadim"
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set_kernel_vars
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configure_interfaces
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prolog_commands
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$PFCTL -f /etc/fw/path\ with\ space/pf.conf || exit 1
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epilog_commands |