forked from extern/shorewall_code
Purge stale SAME recent entries
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@9534 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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@ -764,6 +764,7 @@ sub lookup_provider( $ ) {
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# to the 'tracked' providers
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#
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sub handle_stickiness() {
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my $mask = $config{HIGH_ROUTE_MARKS} ? '0xFF00' : '0xFF';
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my $setstickyref = $mangle_table->{setsticky};
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my $setstickoref = $mangle_table->{setsticko};
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my $tcpreref = $mangle_table->{tcpre};
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@ -773,7 +774,6 @@ sub handle_stickiness() {
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fatal_error "There are SAME tcrules but no 'track' providers" unless @routemarked_providers;
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for my $providerref ( @routemarked_providers ) {
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my $interface = $providerref->{interface};
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my $base = uc chain_base $interface;
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@ -781,7 +781,7 @@ sub handle_stickiness() {
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for ( grep /-j sticky/, @{$tcpreref->{rules}} ) {
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my $stickyref = ensure_mangle_chain 'sticky';
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my $rule1;
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my ( $rule1, $rule2 );
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my $list = sprintf "sticky%03d" , $sticky++;
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for my $chainref ( $stickyref, $setstickyref ) {
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@ -791,32 +791,40 @@ sub handle_stickiness() {
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if ( $chainref->{name} eq 'sticky' ) {
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$rule1 = $_;
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$rule1 =~ s/-j sticky/-m recent --name $list --update --seconds 300 -j MARK --set-mark $mark/;
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$rule2 = $_;
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$rule2 =~ s/-j sticky/-m mark --mark 0\/$mask -m recent --name $list --remove/;
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} else {
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$rule1 = $_;
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$rule1 =~ s/-j sticky/-m mark --mark $mark -m recent --name $list --set/;
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$rule1 =~ s/-j sticky/-m mark --mark $mark\/$mask -m recent --name $list --set/;
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}
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$rule1 =~ s/-A //;
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add_rule $chainref, $rule1;
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if ( $rule2 ) {
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$rule2 =~ s/-A //;
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add_rule $chainref, $rule2;
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}
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decr_cmd_level( $chainref), add_command( $chainref, "fi" ) if $providerref->{optional};
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}
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}
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for ( grep /-j sticko/, @{$tcoutref->{rules}} ) {
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my $rule1;
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my ( $rule1, $rule2 );
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my $list = sprintf "sticky%03d" , $sticky++;
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my $stickoref = ensure_mangle_chain 'sticko';
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for my $chainref ( $stickoref, $setstickoref ) {
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add_command( $chainref, qq(if [ -n "\$${base}_IS_UP" ]; then) ), incr_cmd_level( $chainref ) if $providerref->{optional};
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if ( $chainref->{name} eq 'sticko' ) {
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$rule1 = $_;
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$rule1 =~ s/-j sticko/-m recent --name $list --rdest --update --seconds 300 -j MARK --set-mark $mark/;
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$rule2 = $_;
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$rule2 =~ s/-j sticko/-m mark --mark 0\/$mask -m recent --name $list --rdest --remove/;
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} else {
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$rule1 = $_;
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$rule1 =~ s/-j sticko/-m mark --mark $mark -m recent --name $list --rdest --set/;
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@ -826,8 +834,12 @@ sub handle_stickiness() {
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add_rule $chainref, $rule1;
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if ( $rule2 ) {
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$rule2 =~ s/-A //;
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add_rule $chainref, $rule2;
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}
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decr_cmd_level( $chainref), add_command( $chainref, "fi" ) if $providerref->{optional};
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}
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}
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}
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@ -111,3 +111,7 @@ New Features in Shorewall 4.4
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five minutes to the same remote system then the new connection will
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use the same provider as the connection over which that last packet
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was sent.
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Important note: SAME only works with providers that have the
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'track' option specified in /etc/shorewall/providers.
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