mirror of
https://gitlab.com/shorewall/code.git
synced 2024-11-26 09:33:14 +01:00
Treat optional interfaces as pseudo-providers.
Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep
parent
054248d2cb
commit
a2b14c37ed
@ -337,24 +337,32 @@ sub balance_fallback_route( $$$$ ) {
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}
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}
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sub start_provider( $$$ ) {
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my ($table, $number, $test ) = @_;
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sub start_provider( $$$$ ) {
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my ($what, $table, $number, $test ) = @_;
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emit "\n#\n# Add Provider $table ($number)\n#";
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emit "\n#\n# Add $what $table ($number)\n#";
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if ( $number ) {
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emit "start_provider_$table() {";
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} else {
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emit "start_interface_$table() {";
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}
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push_indent;
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emit $test;
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push_indent;
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if ( $number ) {
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emit "qt ip -$family route flush table $number";
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emit "echo \"qt \$IP -$family route flush table $number\" > \${VARDIR}/undo_${table}_routing";
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}
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}
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#
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# Process a record in the providers file
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#
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sub process_a_provider() {
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sub process_a_provider( $ ) {
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my $pseudo = $_[0]; # When true, this is an optional interface that we are treating somewhat like a provider.
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my ($table, $number, $mark, $duplicate, $interface, $gateway, $options, $copy ) =
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split_line 'providers file', { table => 0, number => 1, mark => 2, duplicate => 3, interface => 4, gateway => 5, options => 6, copy => 7 };
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@ -362,6 +370,8 @@ sub process_a_provider() {
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fatal_error "Duplicate provider ($table)" if $providers{$table};
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fatal_error 'NAME must be specified' if $table eq '-';
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unless ( $pseudo ) {
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fatal_error "Invalid Provider Name ($table)" unless $table =~ /^[\w]+$/;
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my $num = numeric_value $number;
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@ -374,6 +384,7 @@ sub process_a_provider() {
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for my $providerref ( values %providers ) {
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fatal_error "Duplicate provider number ($number)" if $providerref->{number} == $number;
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}
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}
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fatal_error 'INTERFACE must be specified' if $interface eq '-';
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@ -406,8 +417,15 @@ sub process_a_provider() {
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$gateway = '';
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}
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my ( $loose, $track, $balance , $default, $default_balance, $optional, $mtu, $tproxy , $local, $load ) =
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(0, $config{TRACK_PROVIDERS}, 0 , 0, $config{USE_DEFAULT_RT} ? 1 : 0, interface_is_optional( $interface ), '' , 0 , 0, 0 );
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my ( $loose, $track, $balance, $default, $default_balance, $optional, $mtu, $tproxy, $local, $load, $what );
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if ( $pseudo ) {
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( $loose, $track, $balance , $default, $default_balance, $optional, $mtu, $tproxy , $local, $load, $what ) =
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( 0, 0 , 0 , 0, 0, 1 , '' , 0 , 0, 0, 'interface');
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} else {
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( $loose, $track, $balance , $default, $default_balance, $optional, $mtu, $tproxy , $local, $load, $what )=
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( 0, $config{TRACK_PROVIDERS}, 0 , 0, $config{USE_DEFAULT_RT} ? 1 : 0, interface_is_optional( $interface ), '' , 0 , 0, 0, 'provider');
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}
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unless ( $options eq '-' ) {
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for my $option ( split_list $options, 'option' ) {
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@ -517,7 +535,7 @@ sub process_a_provider() {
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}
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unless ( $loose ) {
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unless ( $loose || $pseudo ) {
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warning_message q(The 'proxyarp' option is dangerous when specified on a Provider interface) if get_interface_option( $interface, 'proxyarp' );
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warning_message q(The 'proxyndp' option is dangerous when specified on a Provider interface) if get_interface_option( $interface, 'proxyndp' );
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}
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@ -555,10 +573,14 @@ sub process_a_provider() {
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local => $local ,
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tproxy => $tproxy ,
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load => $load ,
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pseudo => $pseudo ,
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what => $what ,
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rules => [] ,
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routes => [] ,
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};
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$provider_interfaces{$interface} = $table unless $shared;
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if ( $track ) {
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fatal_error "The 'track' option requires a numeric value in the MARK column" if $mark eq '-';
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@ -577,7 +599,20 @@ sub process_a_provider() {
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push @providers, $table;
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progress_message " Provider \"$currentline\" $done";
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progress_message " Provider \"$currentline\" $done" unless $pseudo;
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}
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#
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# Emit a 'started' message
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#
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sub emit_started_message( $$$$$ ) {
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my ( $spaces, $level, $pseudo, $name, $number ) = @_;
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if ( $pseudo ) {
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emit qq(${spaces}progress_message${level} " Optional interface $name Started");
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} else {
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emit qq(${spaces}progress_message${level} " Provider $name ($number) Started");
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}
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}
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#
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@ -608,6 +643,9 @@ sub add_a_provider( $$ ) {
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my $local = $providerref->{local};
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my $tproxy = $providerref->{tproxy};
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my $load = $providerref->{load};
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my $pseudo = $providerref->{pseudo};
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my $what = $providerref->{what};
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my $label = $pseudo ? 'Optional Interface' : 'Provider';
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my $dev = chain_base $physical;
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my $base = uc $dev;
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@ -616,14 +654,16 @@ sub add_a_provider( $$ ) {
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if ( $shared ) {
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my $variable = $providers{$table}{mac} = get_interface_mac( $gateway, $interface , $table );
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$realm = "realm $number";
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start_provider( $table, $number, qq(if interface_is_usable $physical && [ -n "$variable" ]; then) );
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start_provider( $label , $table, $number, qq(if interface_is_usable $physical && [ -n "$variable" ]; then) );
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} elsif ( $pseudo ) {
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start_provider( $label , $table, $number, qq(if [ -n "\$SW_${base}_IS_USABLE" ]; then) );
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} else {
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if ( $optional ) {
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start_provider( $table, $number, qq(if [ -n "\$SW_${base}_IS_USABLE" ]; then) );
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start_provider( $label, $table , $number, qq(if [ -n "\$SW_${base}_IS_USABLE" ]; then) );
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} elsif ( $gatewaycase eq 'detect' ) {
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start_provider( $table, $number, qq(if interface_is_usable $physical && [ -n "$gateway" ]; then) );
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start_provider( $label, $table, $number, qq(if interface_is_usable $physical && [ -n "$gateway" ]; then) );
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} else {
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start_provider( $table, $number, "if interface_is_usable $physical; then" );
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start_provider( $label, $table, $number, "if interface_is_usable $physical; then" );
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}
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$provider_interfaces{$interface} = $table;
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@ -741,7 +781,7 @@ CEOF
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emit "qt \$IP -$family rule del from $address" if $config{DELETE_THEN_ADD};
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emit( "run_ip rule add from $address pref 20000 table $number" ,
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"echo \"qt \$IP -$family rule del from $address\" >> \${VARDIR}/undo_${table}_routing" );
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} else {
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} elsif ( ! $pseudo ) {
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emit ( "find_interface_addresses $physical | while read address; do" );
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emit ( " qt \$IP -$family rule del from \$address" ) if $config{DELETE_THEN_ADD};
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emit ( " run_ip rule add from \$address pref 20000 table $number",
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@ -804,15 +844,14 @@ CEOF
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emit( "setup_${dev}_tc" ) if $tcdevices->{$interface};
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}
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emit ( qq(progress_message2 " Provider $table ($number) Started") );
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emit_started_message( '', 2, $pseudo, $table, $number );
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pop_indent;
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emit( 'else' );
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emit( qq( echo $weight > \${VARDIR}/${physical}_weight) ,
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qq( progress_message " Provider $table ($number) Started"),
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qq(fi\n)
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);
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emit( qq( echo $weight > \${VARDIR}/${physical}_weight) );
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emit_started_message( ' ', '', $pseudo, $table, $number );
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emit "fi\n";
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} else {
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emit( qq(echo 0 > \${VARDIR}/${physical}.status) );
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emit( qq(progress_message "Provider $table ($number) Started") );
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@ -829,6 +868,8 @@ CEOF
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if ( $optional ) {
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if ( $shared ) {
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emit ( "error_message \"WARNING: Gateway $gateway is not reachable -- Provider $table ($number) not Started\"" );
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} elsif ( $pseudo ) {
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emit ( "error_message \"WARNING: Optional Interface $physical is not usable -- $table not Started\"" );
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} else {
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emit ( "error_message \"WARNING: Interface $physical is not usable -- Provider $table ($number) not Started\"" );
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}
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@ -846,14 +887,14 @@ CEOF
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pop_indent;
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emit '}'; # End of start_provider_$table();
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emit "} # End of start_${what}_${table}();";
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if ( $optional ) {
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emit( '',
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'#',
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"# Stop provider $table",
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"# Stop $what $table",
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'#',
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"stop_provider_$table() {" );
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"stop_${what}_${table}() {" );
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push_indent;
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@ -893,8 +934,13 @@ CEOF
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"qt \$TC qdisc del dev $physical ingress\n" ) if $tcdevices->{$interface};
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}
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emit( "echo 1 > \${VARDIR}/${physical}.status",
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"progress_message2 \" Provider $table ($number) stopped\"" );
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emit( "echo 1 > \${VARDIR}/${physical}.status" );
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if ( $pseudo ) {
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emit( "progress_message2 \" Optional Interface $table stopped\"" );
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} else {
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emit( "progress_message2 \" Provider $table ($number) stopped\"" );
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}
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pop_indent;
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@ -1203,12 +1249,23 @@ sub process_providers( $ ) {
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my $tcdevices = shift;
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our $providers = 0;
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our $pseudoproviders = 0;
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$lastmark = 0;
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if ( my $fn = open_file 'providers' ) {
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first_entry "$doing $fn...";
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process_a_provider, $providers++ while read_a_line( NORMAL_READ );
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process_a_provider(0), $providers++ while read_a_line( NORMAL_READ );
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}
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#
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# Treat optional interfaces as pseudo-providers
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#
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for ( grep interface_is_optional( $_ ) && ! $provider_interfaces{ $_ }, all_real_interfaces ) {
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#
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# TABLE NUMBER MARK DUPLICATE INTERFACE GATEWAY OPTIONS COPY
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$currentline = "$_ 0 - - $_ - - -";
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#
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process_a_provider(1), $pseudoproviders++;
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}
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if ( $providers ) {
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@ -1231,17 +1288,19 @@ sub process_providers( $ ) {
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add_an_rtrule while read_a_line( NORMAL_READ );
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}
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}
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$fn = open_file 'routes';
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if ( $providers || $pseudoproviders ) {
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my $fn = open_file 'routes';
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if ( $fn ) {
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first_entry "$doing $fn...";
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emit '';
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add_a_route while read_a_line( NORMAL_READ );
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}
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}
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add_a_provider( $providers{$_}, $tcdevices ) for @providers;
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}
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emit << 'EOF';;
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@ -1262,14 +1321,20 @@ EOF
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if ( $providerref->{optional} ) {
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if ( $providerref->{shared} || $providerref->{physical} eq $provider) {
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emit "$provider})";
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emit "$provider)";
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} else {
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emit( "$providerref->{physical}|$provider)" );
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}
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if ( $providerref->{pseudo} ) {
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emit ( " if [ ! -f \${VARDIR}/$product/undo_${provider}_routing ]; then",
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" start_interface_$provider" );
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} else {
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emit ( " if [ -z \"`\$IP -$family route ls table $providerref->{number}`\" ]; then",
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" start_provider_$provider",
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' else',
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" start_provider_$provider" );
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}
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emit ( ' else',
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" startup_error \"Interface $providerref->{physical} is already enabled\"",
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' fi',
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' ;;'
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@ -1282,7 +1347,7 @@ EOF
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emit << 'EOF';;
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*)
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startup_error "$g_interface is not an optional provider or provider interface"
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startup_error "$g_interface is not an optional provider or interface"
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;;
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esac
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@ -1303,14 +1368,22 @@ EOF
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for my $provider (@providers ) {
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my $providerref = $providers{$provider};
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emit( "$providerref->{physical}|$provider)",
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" if [ -n \"`\$IP -$family route ls table $providerref->{number}`\" ]; then",
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" stop_provider_$provider",
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if ( $provider eq $providerref->{physical} ) {
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emit( "$provider)" );
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} else {
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emit( "$providerref->{physical}|$provider)" );
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}
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emit( " if [ -n \"`\$IP -$family route ls table $providerref->{number}`\" ]; then" );
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if ( $providerref->{optional} ) {
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emit( " stop_$providerref->{what}_$provider",
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' else',
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" startup_error \"Interface $providerref->{physical} is already disabled\"",
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' fi',
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' ;;'
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) if $providerref->{optional};
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);
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}
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}
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pop_indent;
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@ -1342,7 +1415,7 @@ sub setup_providers() {
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emit '';
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emit "start_provider_$_" for @providers;
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emit "start_$providers{$_}->{what}_$_" for @providers;
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emit '';
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@ -897,6 +897,10 @@
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or <replaceable>provider</replaceable>. Where more than one provider
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share a single network interface, a
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<replaceable>provider</replaceable> name must be given.</para>
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<para>Beginning with Shorewall 4.5.10, this command may be used with
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any optional network interface. <replaceable>interface</replaceable>
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may be either the logical or physical name of the interface.</para>
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</listitem>
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</varlistentry>
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@ -936,6 +940,10 @@
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or <replaceable>provider</replaceable>. Where more than one provider
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share a single network interface, a
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<replaceable>provider</replaceable> name must be given.</para>
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<para>Beginning with Shorewall 4.5.10, this command may be used with
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any optional network interface. <replaceable>interface</replaceable>
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may be either the logical or physical name of the interface.</para>
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</listitem>
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</varlistentry>
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@ -809,6 +809,10 @@
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or <replaceable>provider</replaceable>. Where more than one provider
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share a single network interface, a
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<replaceable>provider</replaceable> name must be given.</para>
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<para>Beginning with Shorewall 4.5.10, this command may be used with
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any optional network interface. <replaceable>interface</replaceable>
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may be either the logical or physical name of the interface.</para>
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</listitem>
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</varlistentry>
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@ -848,6 +852,10 @@
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or <replaceable>provider</replaceable>. Where more than one provider
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share a single network interface, a
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<replaceable>provider</replaceable> name must be given.</para>
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<para>Beginning with Shorewall 4.5.10, this command may be used with
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any optional network interface. <replaceable>interface</replaceable>
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may be either the logical or physical name of the interface.</para>
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</listitem>
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</varlistentry>
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@ -1105,7 +1113,7 @@
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<varlistentry>
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<term><emphasis role="bold">reset [<replaceable>chain</replaceable>,
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...]</emphasis><acronym></acronym></term>
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...]</emphasis><acronym/></term>
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<listitem>
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<para>Resets the packet and byte counters in the specified
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