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https://gitlab.com/shorewall/code.git
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First cut at IPSET/Dynamic-zone support in Shorewall6
Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep
parent
8df470b5f5
commit
468ff6efab
@ -354,9 +354,9 @@ sub generate_script_3($) {
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emit '';
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if ( $family == F_IPV4 ) {
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load_ipsets;
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load_ipsets;
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if ( $family == F_IPV4 ) {
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emit ( 'if [ "$COMMAND" = refresh ]; then' ,
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' run_refresh_exit' ,
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'else' ,
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@ -292,6 +292,37 @@ do_save() {
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status=1
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fi
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case ${SAVE_IPSETS:=No} in
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[Yy]es)
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case ${IPSET:=ipset} in
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*/*)
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if [ ! -x "$IPSET" ]; then
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error_message "ERROR: IPSET=$IPSET does not exist or is not executable - ipsets are not saved"
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IPSET=
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fi
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;;
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*)
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IPSET="$(mywhich $IPSET)"
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[ -n "$IPSET" ] || error_message "ERROR: The ipset utility cannot be located - ipsets are not saved"
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;;
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esac
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if [ -n "$IPSET" ]; then
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if eval $IPSET -S > ${VARDIR}/ipsets.tmp; then
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#
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# Don't save an 'empty' file
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#
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grep -q '^-N' ${VARDIR}/ipsets.tmp && mv -f ${VARDIR}/ipsets.tmp ${g_restorepath}-ipsets
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fi
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fi
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;;
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[Nn]o)
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;;
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*)
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error_message "WARNING: Invalid value ($SAVE_IPSETS) for SAVE_IPSETS"
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;;
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esac
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return $status
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}
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@ -357,6 +388,34 @@ show_routing() {
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fi
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}
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#
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# 'list dynamic' command executor
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#
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find_sets() {
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local junk
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local setname
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ipset -L -n | grep "^Name: ${1}_" | while read junk setname; do echo $setname; done
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}
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list_zone() {
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local sets
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local setname
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[ -n "$(mywhich ipset)" ] || fatal_error "The ipset utility cannot be located"
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sets=$(find_sets $1)
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for setname in $sets; do
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echo "${setname#${1}_}:"
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ipset -L $setname -n | awk 'BEGIN {prnt=0;}; \
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/^Members:/ {prnt=1; next; }; \
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/^Bindings:/ {prnt=0; }; \
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{ if (prnt == 1) print " ", $1; };'
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done
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}
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#
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# Show Filter - For Shorewall6-lite, if there was an scfilter file at compile-time,
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# then the compiler generated another version of this function and
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@ -672,6 +731,13 @@ show_command() {
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fi
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if [ $# -gt 0 ]; then
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if [ $1 = dynamic -a $# -gt 1 ]; then
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shift
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[ $# -eq 1 ] || usage 1
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list_zone $1
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return;
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fi
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[ -n "$table_given" ] || for chain in $*; do
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if ! qt $IP6TABLES -t $table -L $chain $g_ipt_options; then
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error_message "ERROR: Chain '$chain' is not recognized by $IP6TABLES."
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@ -934,13 +1000,6 @@ restore_command() {
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[ -n "$nolock" ] || mutex_on
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if [ -x $g_restorepath ]; then
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if [ -x ${g_restorepath}-ipsets ] ; then
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echo Restoring Ipsets...
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$IP6TABLES -F
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$IP6TABLES -X
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$SHOREWALL_SHELL ${g_restorepath}-ipsets
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fi
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progress_message3 "Restoring Shorewall6..."
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run_it $g_restorepath restore && progress_message3 "$g_product restored from ${VARDIR}/$RESTOREFILE"
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@ -1085,6 +1144,191 @@ block() # $1 = command, $2 = Finished, $3 - $n addresses
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done
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}
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#
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# Replace commas with spaces and echo the result
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#
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separate_list() {
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local list
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list="$@"
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local part
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local newlist
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local firstpart
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local lastpart
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local enclosure
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case "$list" in
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*,|,*|*,,*|*[[:space:]]*)
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#
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# There's been whining about us not catching embedded white space in
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# comma-separated lists. This is an attempt to snag some of the cases.
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#
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echo "WARNING -- invalid comma-separated list \"$@\"" >&2
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;;
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*\[*\]*)
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#
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# Where we need to embed comma-separated lists within lists, we enclose them
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# within square brackets.
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#
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firstpart=${list%%\[*}
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lastpart=${list#*\[}
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enclosure=${lastpart%%\]*}
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lastpart=${lastpart#*\]}
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case $lastpart in
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\,*)
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case $firstpart in
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*\,)
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echo "$(separate_list ${firstpart%,}) [$enclosure] $(separate_list ${lastpart#,})"
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;;
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*)
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echo "$(separate_list $firstpart)[$enclosure] $(separate_list ${lastpart#,})"
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;;
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esac
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;;
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*)
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case $firstpart in
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*\,)
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echo "$(separate_list ${firstpart%,}) [$enclosure]$(separate_list $lastpart)"
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;;
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*)
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echo "$(separate_list $firstpart)[$enclosure]$(separate_list $lastpart)"
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;;
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esac
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;;
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esac
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return
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;;
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esac
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list="$@"
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part="${list%%,*}"
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newlist="$part"
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while [ "x$part" != "x$list" ]; do
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list="${list#*,}";
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part="${list%%,*}";
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newlist="$newlist $part";
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done
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echo "$newlist"
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}
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#
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# add command executor
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#
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add_command() {
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local interface host hostlist zone ipset
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if ! shorewall_is_started ; then
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echo "Shorewall Not Started" >&2
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exit 2
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fi
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case "$IPSET" in
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*/*)
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;;
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*)
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[ -n "$(mywhich $IPSET)" ] || fatal_error "The $IPSET utility cannot be located"
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;;
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esac
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#
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# Normalize host list
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#
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while [ $# -gt 1 ]; do
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interface=${1%%:*}
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host=${1#*:}
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[ "$host" = "$1" ] && host=
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if [ -z "$host" ]; then
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hostlist="$hostlist $interface:::/0"
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else
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for h in $(separate_list $host); do
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hostlist="$hostlist $interface:$h"
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done
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fi
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shift
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done
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zone=$1
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for host in $hostlist; do
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interface=${host%:*}
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ipset=${zone}_${interface};
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if ! qt $IPSET -L $ipset -n; then
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fatal_error "Zone $zone, interface $interface is does not have a dynamic host list"
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fi
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host=${host#*:}
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if $IPSET -A $ipset $host; then
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echo "Host $interface:$host added to zone $zone"
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else
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fatal_error "Unable to add $interface:$host to zone $zone"
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fi
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done
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}
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#
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# delete command executor
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#
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delete_command() {
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local interface host hostent hostlist zone ipset
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if ! shorewall_is_started ; then
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echo "Shorewall Not Started" >&2
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exit 2;
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fi
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case "$IPSET" in
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*/*)
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;;
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*)
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[ -n "$(mywhich $IPSET)" ] || fatal_error "The $IPSET utility cannot be located"
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;;
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esac
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#
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# Normalize host list
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#
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while [ $# -gt 1 ]; do
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interface=${1%%:*}
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host=${1#*:}
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[ "$host" = "$1" ] && host=
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if [ -z "$host" ]; then
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hostlist="$hostlist $interface:::/0"
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else
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for h in $(separate_list $host); do
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hostlist="$hostlist $interface:$h"
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done
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fi
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shift
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done
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zone=$1
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for hostent in $hostlist; do
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interface=${hostent%:*}
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ipset=${zone}_${interface};
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if ! qt $IPSET -L $ipset -n; then
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fatal_error "Zone $zone, interface $interface is does not have a dynamic host list"
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fi
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host=${hostent#*:}
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if $IPSET -D $ipset $host; then
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echo "Host $hostend deleted from zone $zone"
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else
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echo " WARNING: Unable to delete host $hostent to zone $zone" >&2
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fi
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done
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}
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#
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# 'hits' commmand executor
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#
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@ -1534,10 +1778,8 @@ report_capabilities() {
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report_capability "IP range Match" $IPRANGE_MATCH
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report_capability "Recent Match" $RECENT_MATCH
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report_capability "Owner Match" $OWNER_MATCH
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if [ -n "$IPSET_MATCH" ]; then
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report_capability "Ipset Match" $IPSET_MATCH
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[ -n "$OLD_IPSET_MATCH" ] && report_capability "OLD_Ipset Match" $OLD_IPSET_MATCH
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fi
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report_capability "Ipset Match" $IPSET_MATCH
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[ -n "$IPSET_MATCH" ] && report_capability "OLD_Ipset Match" $OLD_IPSET_MATCH
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report_capability "CONNMARK Target" $CONNMARK
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[ -n "$CONNMARK" ] && report_capability "Extended CONNMARK Target" $XCONNMARK
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report_capability "Connmark Match" $CONNMARK_MATCH
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@ -1827,6 +1827,16 @@ case "$COMMAND" in
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get_config
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allow_command $@
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;;
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add)
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get_config
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shift
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add_command $@
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;;
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delete)
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get_config
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shift
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delete_command $@
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;;
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save)
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get_config
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[ -n "$g_debugging" ] && set -x
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