forked from extern/shorewall_code
Finish ipset match option implementation.
Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep
parent
b4847d6a01
commit
1771bb75cf
@ -25,7 +25,7 @@
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# loaded after this one and replaces some of the functions declared here.
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#
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SHOREWALL_CAPVERSION=40515
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SHOREWALL_CAPVERSION=40600
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[ -n "${g_program:=shorewall}" ]
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@ -2265,6 +2265,8 @@ determine_capabilities() {
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OWNER_NAME_MATCH=
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IPSET_MATCH=
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OLD_IPSET_MATCH=
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IPSET_MATCH_NOMATCH=
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IPSET_MATCH_COUNTERS=
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IPSET_V5=
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CONNMARK=
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XCONNMARK=
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@ -2552,6 +2554,8 @@ determine_capabilities() {
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if [ -n "$have_ipset" ]; then
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if qt $g_tool -A $chain -m set --match-set $chain src -j ACCEPT; then
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qt $g_tool -A $chain -m set --match-set $chain src --return-nomatch -j ACCEPT && IPSET_MATCH_NOMATCH=Yes
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qt $g_tool -A $chain -m set --match-set $chain src --packets-lt 100 -j ACCEPT && IPSET_MATCH_COUNTERS=Yes
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qt $g_tool -F $chain
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IPSET_MATCH=Yes
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elif qt $g_tool -A $chain -m set --set $chain src -j ACCEPT; then
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@ -2686,7 +2690,9 @@ report_capabilities_unsorted() {
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report_capability "Owner Name Match (OWNER_NAME_MATCH)" $OWNER_NAME_MATCH
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if [ -n "$IPSET_MATCH" ]; then
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report_capability "Ipset Match (IPSET_MATCH)" $IPSET_MATCH
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[ -n "$OLD_IPSET_MATCH" ] && report_capability "OLD_Ipset Match (OLD_IPSET_MATCH)" $OLD_IPSET_MATCH
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[ -n "$OLD_IPSET_MATCH" ] && report_capability "OLD_Ipset Match (OLD_IPSET_MATCH)" $OLD_IPSET_MATCH
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[ -n "$IPSET_MATCH_NOMATCH" ] && report_capability "Ipset Match Nomatch (IPSET_MATCH_NOMATCH)" $IPSET_MATCH_NOMATCH
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[ -n "$IPSET_MATCH_NOMATCH" ] && report_capability "Ipset Match Counters (IPSET_MATCH_COUNTERS)" $IPSET_MATCH_COUNTERS
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fi
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report_capability "CONNMARK Target (CONNMARK)" $CONNMARK
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[ -n "$CONNMARK" ] && report_capability "Extended CONNMARK Target (XCONNMARK)" $XCONNMARK
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@ -2808,6 +2814,8 @@ report_capabilities_unsorted1() {
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report_capability1 OWNER_NAME_MATCH
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report_capability1 IPSET_MATCH
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report_capability1 OLD_IPSET_MATCH
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report_capability1 IPSET_MATCH_NOMATCH
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report_capability1 IPSET_MATCH_COUNTERS
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report_capability1 CONNMARK
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report_capability1 XCONNMARK
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report_capability1 CONNMARK_MATCH
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@ -455,14 +455,8 @@ our %ipset_extensions = (
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'nomatch' => '--return-nomatch ',
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'no-update-counters' => '! --update-counters ',
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'no-update-subcounters' => '! --update-subcounters ',
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'pkts-eq' => '--packets-eq = ',
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'pkts-neq' => '! --packets-eq = ',
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'pkts-lt' => '--packets-lt = ',
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'pkts-gt' => '--packets-gt = ',
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'bytes-eq' => '--bytes-eq = ',
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'bytes-neq' => '! --bytes-eq = ',
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'bytes-lt' => '--bytes-lt = ',
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'bytes-gt' => '--bytes-gt = ',
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'packets' => '',
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'bytes' => '',
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);
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#
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# See initialize() below for additional comments on these variables
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@ -5457,35 +5451,24 @@ sub get_set_flags( $$ ) {
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$setname =~ s/^!//; # Caller has already taken care of leading !
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if ( $setname =~ s/\((.+)\)$// ) {
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fatal_error "Your iptables and/or kernel are too old to support an IPSET option list" if have_capability 'OLD_IPSET_MATCH';
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my @extensions = split_list($1, 'ipset option');
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my $rest = '';
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for ( @extensions ) {
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my ($extension, $value) = split ' ', $_;
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my $match = $ipset_extensions{$extension};
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fatal_error "Unknown ipset option ($extension)" unless $match;
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if ( $match =~ /= $/ ) {
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my $val;
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fatal_error "The $extension option requires a value" unless supplied $value;
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fatal_error "Invalid number ($value)" unless defined ( $val = numeric_value($value) );
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$match =~ s/= $/$value /;
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} else {
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fatal_error "The $extension option does not require a value" if supplied $value;
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}
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$extensions = join( '', $extensions, $match );
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}
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}
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if ( $setname =~ /^(.*)\[([1-6])\]$/ ) {
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if ( $setname =~ /^(.*)\[([1-6])(?:,(.*))\]$/ ) {
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$setname = $1;
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my $count = $2;
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$rest = $3;
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$options .= ",$option" while --$count > 0;
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} elsif ( $setname =~ /^(.*)\[((src|dst)(,(src|dst))*)\]$/ ) {
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} elsif ( $setname =~ /^(.*)\[((?:src|dst)(?:,(?:src|dst))*)*(,?.+)?\]$/ ) {
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$setname = $1;
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$options = $2;
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$rest = $3;
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if ( supplied $2 ) {
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$options = $2;
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if ( supplied $rest ) {
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fatal_error "Invalid Option List (${options}${rest})" unless $rest =~ s/^,//;
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}
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}
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my @options = split /,/, $options;
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my %typemap = ( src => 'Source', dst => 'Destination' );
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@ -5495,6 +5478,50 @@ sub get_set_flags( $$ ) {
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warning_message( "The '$_' ipset flag is used in a $typemap{$option} column" ), last unless $_ eq $option;
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}
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}
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}
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if ( $rest ) {
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my @extensions = split_list($rest, 'ipset option');
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for ( @extensions ) {
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my ($extension, $relop, $value) = split /(!=|=|<|>)/, $_;
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my $match = $ipset_extensions{$extension};
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fatal_error "Unknown ipset option ($extension)" unless defined $match;
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require_capability ( ( $extension eq 'nomatch' ?
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'IPSET_MATCH_NOMATCH' :
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'IPSET_MATCH_COUNTERS' ),
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"The '$extension' option",
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's' );
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if ( $match ) {
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fatal_error "The $extension option does not require a value" if supplied $relop || supplied $value;
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$extensions .= "$match ";
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} else {
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my $val;
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fatal_error "The $extension option requires a value" unless supplied $value;
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fatal_error "Invalid number ($value)" unless defined ( $val = numeric_value($value) );
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$extension = "--$extension";
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if ( $relop =~ s/!// ) {
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$extension = join( ' ', '!', $extension );
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}
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if ( $relop eq '<' ) {
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$extension .= '-lt';
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} elsif ( $relop eq '>' ) {
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$extension .= '-gt';
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} else {
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$extension .= '-eq';
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}
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$extension = join( ' ', $extension, $value );
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$extensions .= "$extension ";
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}
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}
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}
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$setname =~ s/^\+//;
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@ -5651,7 +5678,7 @@ sub match_source_net( $;$\$ ) {
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fatal_error "Multiple ipset matches require the Repeat Match capability in your kernel and iptables" unless $globals{KLUDGEFREE};
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for $net ( @sets ) {
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/;
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/;
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$result .= join( '', '-m set ', $1 ? '! ' : '', get_set_flags( $2, 'src' ) );
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if ( $3 ) {
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require_capability 'NFACCT_MATCH', "An nfacct object list ($3)", 's';
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@ -5720,7 +5747,7 @@ sub imatch_source_net( $;$\$ ) {
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return do_imac $net;
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}
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if ( $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/ ) {
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if ( $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/ ) {
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my @result = ( set => join( '', $1 ? '! ' : '', get_set_flags( $2, 'src' ) ) );
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if ( $3 ) {
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require_capability 'NFACCT_MATCH', "An nfacct object list ($3)", 's';
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@ -5740,7 +5767,7 @@ sub imatch_source_net( $;$\$ ) {
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fatal_error "Multiple ipset matches requires the Repeat Match capability in your kernel and iptables" unless $globals{KLUDGEFREE};
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for $net ( @sets ) {
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/;
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/;
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push @result , ( set => join( '', $1 ? '! ' : '', get_set_flags( $2, 'src' ) ) );
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if ( $3 ) {
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require_capability 'NFACCT_MATCH', "An nfacct object list ($3)", 's';
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@ -5805,7 +5832,7 @@ sub match_dest_net( $;$ ) {
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return iprange_match . "${invert}--dst-range $net ";
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}
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if ( $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/ ) {
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if ( $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/ ) {
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my $result = join( '', '-m set ', $1 ? '! ' : '', get_set_flags( $2, 'dst' ) );
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if ( $3 ) {
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require_capability 'NFACCT_MATCH', "An nfacct object list ($3)", 's';
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@ -5825,7 +5852,7 @@ sub match_dest_net( $;$ ) {
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fatal_error "Multiple ipset matches requires the Repeat Match capability in your kernel and iptables" unless $globals{KLUDGEFREE};
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for $net ( @sets ) {
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/;
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/;
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$result .= join( '', '-m set ', $1 ? '! ' : '', get_set_flags( $2, 'dst' ) );
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}
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@ -5889,7 +5916,7 @@ sub imatch_dest_net( $;$ ) {
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return ( iprange => "${invert}--dst-range $net" );
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}
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if ( $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/ ) {
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if ( $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/ ) {
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my @result = ( set => join( '', $1 ? '! ' : '', get_set_flags( $2, 'dst' ) ) );
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if ( $3 ) {
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require_capability 'NFACCT_MATCH', "An nfacct object list ($3)", 's';
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@ -5909,7 +5936,7 @@ sub imatch_dest_net( $;$ ) {
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fatal_error "Multiple ipset matches requires the Repeat Match capability in your kernel and iptables" unless $globals{KLUDGEFREE};
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for $net ( @sets ) {
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\])?)(?:\((.+)\))?$/;
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fatal_error "Expected ipset name ($net)" unless $net =~ /^(!?)(?:\+?)((?:6_)?[a-zA-Z][-\w]*(?:\[.*\]))?(?:\((.+)\))?$/;
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push @result , ( set => join( '', $1 ? '! ' : '', get_set_flags( $2, 'dst' ) ) );
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if ( $3 ) {
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require_capability 'NFACCT_MATCH', "An nfacct object list ($3)", 's';
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@ -703,7 +703,7 @@ sub initialize( $;$$) {
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EXPORT => 0,
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KLUDGEFREE => '',
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VERSION => "4.5.19-Beta1",
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CAPVERSION => 40515 ,
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CAPVERSION => 40600 ,
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);
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#
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# From shorewall.conf file
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@ -649,7 +649,7 @@ sub resolve_6dnsname( $ ) {
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}
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@addrs;
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}
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}
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sub validate_6net( $$ ) {
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my ( $net, $allow_name ) = @_;
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@ -47,8 +47,8 @@
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<simplelist>
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<member>[<replaceable>number</replaceable>] - Indicates that 'src' or
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'dst' should be repeated <replaceable>number</replaceable> times.
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Example: myset[2].</member>
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'dst' should be repeated <replaceable>number</replaceable> times.
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Example: myset[2].</member>
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<member>[<replaceable>flag</replaceable>,...] where
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<replaceable>flag</replaceable> is <option>src</option> or
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@ -92,11 +92,134 @@
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<para>In that example, when the source address of a packet matches the
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<emphasis role="bold">myset</emphasis> ipset, the <emphasis
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role="bold">myobject</emphasis> nfacct counter will be incremented.</para>
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<para>Beginning with Shorewall 4.6.0, an ipset name (and src/dst list, if
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any) can be immediately be followed by a list of match options. Available
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options are:</para>
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<variablelist>
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<varlistentry>
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<term>nomatch</term>
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<listitem>
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<para> If the set type supports the nomatch flag, then the matching
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is reversed: a match with an element flagged with nomatch returns
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true, while a match with a plain element returns false. This option
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requires the 'Ipset Match nomatch' capability in your kernel and
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ip[6]tables.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>no-update-counters</term>
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<listitem>
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<para>The packet and byte counters of the matching element in the
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set won't be updated. By default, the packet and byte counters are
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updated. This option and those that follow require the 'Ipset Match
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counters' capability in your kernel and ip[6]tables.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>no-update-subcounters</term>
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<listitem>
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<para>The packet and byte counters of the matching element in the
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member set of a list type of set won't be updated. Default the
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packet and byte counters are updated.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element matches the given
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<replaceable>value</replaceable> too.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets<<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element is less than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets><replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element is greater than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets!=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element does not match the given
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<replaceable>value</replaceable> too.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element matches the given
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<replaceable>value</replaceable> too.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes<<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element is less than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes><replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element is greater than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes!=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element does not match the given
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<replaceable>value</replaceable> too.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>In the examples that follow, <firstterm>myset</firstterm>,
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<firstterm>myset1</firstterm> and <firstterm>myset2</firstterm> are ipsets
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and <firstterm>myObject</firstterm> is an NFacct object name.</para>
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<para>+myset</para>
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<para>+myset[src]</para>
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@ -104,6 +227,12 @@
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<para>+myset[2]</para>
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<para>+[myset1,myset2[dst]]</para>
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|
||||
<para>+myset[src](myObject)</para>
|
||||
|
||||
<para>+myset[src,nomatch,packets>100]</para>
|
||||
|
||||
<para>+myset[nomatch,no-update-counters](myObject)</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
@ -125,7 +254,7 @@
|
||||
|
||||
<para>/etc/shorewall/secmarks</para>
|
||||
|
||||
<para>/etc/shorewall/tcrules</para>
|
||||
<para>/etc/shorewall/mangle</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
@ -91,6 +91,125 @@
|
||||
<para>In that example, when the source address of a packet matches the
|
||||
<emphasis role="bold">myset</emphasis> ipset, the <emphasis
|
||||
role="bold">myobject</emphasis> nfacct counter will be incremented.</para>
|
||||
|
||||
<para>Beginning with Shorewall 4.6.0, an ipset name (and src/dst list, if
|
||||
any) can be immediately be followed by a list of match options. Available
|
||||
options are:</para>
|
||||
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
<term>nomatch</term>
|
||||
|
||||
<listitem>
|
||||
<para>If the set type supports the nomatch flag, then the matching
|
||||
is reversed: a match with an element flagged with nomatch returns
|
||||
true, while a match with a plain element returns false. This option
|
||||
requires the 'Ipset Match nomatch' capability in your kernel and
|
||||
ip[6]tables.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>no-update-counters</term>
|
||||
|
||||
<listitem>
|
||||
<para>The packet and byte counters of the matching element in the
|
||||
set won't be updated. By default, the packet and byte counters are
|
||||
updated. This option and those that follow require the 'Ipset Match
|
||||
counters' capability in your kernel and ip[6]tables.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>no-update-subcounters</term>
|
||||
|
||||
<listitem>
|
||||
<para>The packet and byte counters of the matching element in the
|
||||
member set of a list type of set won't be updated. Default the
|
||||
packet and byte counters are updated.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>packets=<replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the packet counter of the element matches the given
|
||||
<replaceable>value</replaceable> too.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>packets<<replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the packet counter of the element is less than the given
|
||||
<replaceable>value</replaceable> as well.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>packets><replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the packet counter of the element is greater than the given
|
||||
<replaceable>value</replaceable> as well.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>packets!=<replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the packet counter of the element does not match the given
|
||||
<replaceable>value</replaceable> too.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>bytes=<replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the byte counter of the element matches the given
|
||||
<replaceable>value</replaceable> too.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>bytes<<replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the byte counter of the element is less than the given
|
||||
<replaceable>value</replaceable> as well.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>bytes><replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the byte counter of the element is greater than the given
|
||||
<replaceable>value</replaceable> as well.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term>bytes!=<replaceable>value</replaceable></term>
|
||||
|
||||
<listitem>
|
||||
<para>If the packet is matched an element in the set, match only if
|
||||
the byte counter of the element does not match the given
|
||||
<replaceable>value</replaceable> too.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
@ -103,6 +222,10 @@
|
||||
<para>+myset[2]</para>
|
||||
|
||||
<para>+[myset1,myset2[dst]]</para>
|
||||
|
||||
<para>+myset[src,nomatch,packets>100]</para>
|
||||
|
||||
<para>+myset[nomatch,no-update-counters](myObject)</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user