mirror of
https://gitlab.com/shorewall/code.git
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2254 lines
71 KiB
Perl
2254 lines
71 KiB
Perl
#
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# Shorewall 4.4 -- /usr/share/shorewall/Shorewall/Tc.pm
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#
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# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
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#
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# (c) 2007,2008,2009,2010,2011 - Tom Eastep (teastep@shorewall.net)
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#
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# Traffic Control is from tc4shorewall Version 0.5
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# (c) 2005 Arne Bernin <arne@ucbering.de>
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# Modified by Tom Eastep for integration into the Shorewall distribution
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# published under GPL Version 2#
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#
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# Complete documentation is available at http://shorewall.net
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# This module deals with Traffic Shaping and the tcrules file.
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#
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package Shorewall::Tc;
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require Exporter;
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use Shorewall::Config qw(:DEFAULT :internal);
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use Shorewall::IPAddrs;
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use Shorewall::Zones;
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use Shorewall::Chains qw(:DEFAULT :internal);
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use Shorewall::Providers;
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use strict;
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our @ISA = qw(Exporter);
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our @EXPORT = qw( process_tc setup_tc );
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our @EXPORT_OK = qw( process_tc_rule initialize );
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our $VERSION = 'MODULEVERSION';
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my %tcs = ( T => { chain => 'tcpost',
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connmark => 0,
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fw => 1,
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fwi => 0,
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} ,
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CT => { chain => 'tcpost' ,
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target => 'CONNMARK --set-mark' ,
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connmark => 1 ,
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fw => 1 ,
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fwi => 0,
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} ,
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C => { target => 'CONNMARK --set-mark' ,
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connmark => 1 ,
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fw => 1 ,
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fwi => 1 ,
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} ,
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P => { chain => 'tcpre' ,
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connmark => 0 ,
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fw => 0 ,
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fwi => 0 ,
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} ,
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CP => { chain => 'tcpre' ,
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target => 'CONNMARK --set-mark' ,
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connmark => 1 ,
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fw => 0 ,
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fwi => 0 ,
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} ,
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F => { chain => 'tcfor' ,
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connmark => 0 ,
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fw => 0 ,
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fwi => 0 ,
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} ,
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CF => { chain => 'tcfor' ,
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connmark => 1 ,
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fw => 0 ,
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fwi => 0 ,
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} ,
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);
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use constant { NOMARK => 0 ,
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SMALLMARK => 1 ,
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HIGHMARK => 2
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};
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my %flow_keys = ( 'src' => 1,
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'dst' => 1,
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'proto' => 1,
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'proto-src' => 1,
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'proto-dst' => 1,
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'iif' => 1,
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'priority' => 1,
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'mark' => 1,
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'nfct' => 1,
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'nfct-src' => 1,
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'nfct-dst' => 1,
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'nfct-proto-src' => 1,
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'nfct-proto-dst' => 1,
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'rt-classid' => 1,
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'sk-uid' => 1,
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'sk-gid' => 1,
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'vlan-tag' => 1 );
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my %designator = ( F => 'tcfor' ,
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T => 'tcpost' );
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my %tosoptions = ( 'tos-minimize-delay' => '0x10/0x10' ,
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'tos-maximize-throughput' => '0x08/0x08' ,
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'tos-maximize-reliability' => '0x04/0x04' ,
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'tos-minimize-cost' => '0x02/0x02' ,
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'tos-normal-service' => '0x00/0x1e' );
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my %classids;
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#
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# Perl version of Arn Bernin's 'tc4shorewall'.
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#
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# TCDevices Table
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#
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# %tcdevices { <interface> => {in_bandwidth => <value> ,
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# out_bandwidth => <value> ,
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# number => <number>,
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# classify => 0|1
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# tablenumber => <next u32 table to be allocated for this device>
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# default => <default class mark value>
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# redirected => [ <dev1>, <dev2>, ... ]
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# nextclass => <number>
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# occurs => Has one or more occurring classes
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# qdisc => htb|hfsc
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# guarantee => <total RATE of classes seen so far>
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# name => <interface>
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# }
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#
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my @tcdevices;
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my %tcdevices;
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my @devnums;
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my $devnum;
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my $sticky;
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my $ipp2p;
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#
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# TCClasses Table
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#
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# %tcclasses { device => <device> { number => { mark => <mark> ,
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# rate => <rate> ,
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# umax => <umax> ,
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# dmax => <dmax> ,
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# ceiling => <ceiling> ,
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# priority => <priority> ,
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# occurs => <number> # 0 means that this is a class generated by another class with occurs > 1
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# parent => <class number>
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# leaf => 0|1
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# guarantee => <sum of rates of sub-classes>
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# options => { tos => [ <value1> , <value2> , ... ];
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# tcp_ack => 1 ,
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# filters => [ filter list ]
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# }
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# }
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# }
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my @tcclasses;
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my %tcclasses;
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my %restrictions = ( tcpre => PREROUTE_RESTRICT ,
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PREROUTING => PREROUTE_RESTRICT ,
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tcpost => POSTROUTE_RESTRICT ,
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tcfor => NO_RESTRICT ,
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tcin => INPUT_RESTRICT ,
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tcout => OUTPUT_RESTRICT ,
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);
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my $family;
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my $divertref; # DIVERT chain
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#
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# Rather than initializing globals in an INIT block or during declaration,
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# we initialize them in a function. This is done for two reasons:
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#
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# 1. Proper initialization depends on the address family which isn't
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# known until the compiler has started.
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#
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# 2. The compiler can run multiple times in the same process so it has to be
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# able to re-initialize its dependent modules' state.
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#
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sub initialize( $ ) {
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$family = shift;
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%classids = ();
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@tcdevices = ();
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%tcdevices = ();
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@tcclasses = ();
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%tcclasses = ();
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@devnums = ();
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$devnum = 0;
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$sticky = 0;
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$ipp2p = 0;
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$divertref = 0;
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}
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sub process_tc_rule( ) {
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my ( $originalmark, $source, $dest, $proto, $ports, $sports, $user, $testval, $length, $tos , $connbytes, $helper, $headers, $probability , $dscp );
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if ( $family == F_IPV4 ) {
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( $originalmark, $source, $dest, $proto, $ports, $sports, $user, $testval, $length, $tos , $connbytes, $helper, $probability, $dscp ) =
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split_line1 'tcrules file', { mark => 0, action => 0, source => 1, dest => 2, proto => 3, dport => 4, sport => 5, user => 6, test => 7, length => 8, tos => 9, connbytes => 10, helper => 11, probability => 12 , dscp => 13 }, { COMMENT => 0, FORMAT => 2 } , 14;
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$headers = '-';
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} else {
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( $originalmark, $source, $dest, $proto, $ports, $sports, $user, $testval, $length, $tos , $connbytes, $helper, $headers, $probability, $dscp ) =
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split_line1 'tcrules file', { mark => 0, action => 0, source => 1, dest => 2, proto => 3, dport => 4, sport => 5, user => 6, test => 7, length => 8, tos => 9, connbytes => 10, helper => 11, headers => 12, probability => 13 , dscp => 14 }, { COMMENT => 0, FORMAT => 2 }, 15;
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}
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our @tccmd;
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our $format;
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fatal_error 'MARK must be specified' if $originalmark eq '-';
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if ( $originalmark eq 'COMMENT' ) {
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process_comment;
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return;
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}
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if ( $originalmark eq 'FORMAT' ) {
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if ( $source =~ /^([12])$/ ) {
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$format = $1;
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return;
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}
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fatal_error "Invalid FORMAT ($source)";
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}
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my ( $mark, $designator, $remainder ) = split( /:/, $originalmark, 3 );
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fatal_error "Invalid MARK ($originalmark)" unless supplied $mark;
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my $chain = $globals{MARKING_CHAIN};
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my $classid = 0;
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if ( $remainder ) {
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if ( $originalmark =~ /^\w+\(?.*\)$/ ) {
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$mark = $originalmark; # Most likely, an IPv6 address is included in the parameter list
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} else {
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fatal_error "Invalid MARK ($originalmark)"
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unless ( $mark =~ /^([0-9a-fA-F]+)$/ &&
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$designator =~ /^([0-9a-fA-F]+)$/ &&
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( $chain = $designator{$remainder} ) );
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$mark = join( ':', $mark, $designator );
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$classid = 1;
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}
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}
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my $target = 'MARK --set-mark';
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my $tcsref;
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my $connmark = 0;
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my $device = '';
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my $fw = firewall_zone;
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my $list;
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my $restriction = 0;
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my $cmd;
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my $rest;
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my $matches = '';
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my %processtcc = ( sticky => sub() {
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if ( $chain eq 'tcout' ) {
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$target = 'sticko';
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} else {
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fatal_error "SAME rules are only allowed in the PREROUTING and OUTPUT chains" if $chain ne 'tcpre';
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}
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$restriction = DESTIFACE_DISALLOW;
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ensure_mangle_chain($target);
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$sticky++;
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},
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IPMARK => sub() {
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my ( $srcdst, $mask1, $mask2, $shift ) = ('src', 255, 0, 0 );
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require_capability 'IPMARK_TARGET', 'IPMARK', 's';
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if ( $cmd =~ /^IPMARK\((.+?)\)$/ ) {
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my $params = $1;
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my $val;
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my ( $sd, $m1, $m2, $s , $bad ) = split ',', $params;
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fatal_error "Invalid IPMARK parameters ($params)" if $bad;
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fatal_error "Invalid IPMARK parameter ($sd)" unless ( $sd eq 'src' || $sd eq 'dst' );
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$srcdst = $sd;
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if ( supplied $m1 ) {
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$val = numeric_value ($m1);
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fatal_error "Invalid Mask ($m1)" unless defined $val && $val && $val <= 0xffffffff;
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$mask1 = in_hex ( $val & 0xffffffff );
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}
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if ( supplied $m2 ) {
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$val = numeric_value ($m2);
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fatal_error "Invalid Mask ($m2)" unless defined $val && $val <= 0xffffffff;
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$mask2 = in_hex ( $val & 0xffffffff );
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}
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if ( defined $s ) {
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$val = numeric_value ($s);
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fatal_error "Invalid Shift Bits ($s)" unless defined $val && $val >= 0 && $val < 128;
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$shift = $s;
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}
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} else {
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fatal_error "Invalid MARK/CLASSIFY ($cmd)" unless $cmd eq 'IPMARK';
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}
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$target = "IPMARK --addr $srcdst --and-mask $mask1 --or-mask $mask2 --shift $shift";
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},
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DIVERT => sub() {
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fatal_error "Invalid MARK ($originalmark)" unless $format == 2;
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fatal_error "Invalid DIVERT specification( $cmd/$rest )" if $rest;
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$chain = 'PREROUTING';
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$mark = in_hex( $globals{TPROXY_MARK} ) . '/' . in_hex( $globals{TPROXY_MARK} );
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unless ( $divertref ) {
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$divertref = new_chain( 'mangle', 'divert' );
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add_ijump( $divertref , j => 'MARK', targetopts => "--set-mark $mark" );
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add_ijump( $divertref , j => 'ACCEPT' );
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}
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$target = 'divert';
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$matches = '! --tcp-flags FIN,SYN,RST,ACK SYN -m socket --transparent ';
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},
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TPROXY => sub() {
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require_capability( 'TPROXY_TARGET', 'Use of TPROXY', 's');
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fatal_error "Invalid TPROXY specification( $cmd/$rest )" if $rest;
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$chain = 'PREROUTING';
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$cmd =~ /TPROXY\((.+?)\)$/;
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my $params = $1;
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my ( $port, $ip, $bad );
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if ( $format == 1 ) {
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fatal_error "Invalid TPROXY specification( $cmd )" unless defined $params;
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( $mark, $port, $ip, $bad ) = split_list $params, 'Parameter';
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fatal_error "Invalid TPROXY specification( $cmd )" if defined $bad;
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warning_message "TPROXY is deprecated in a format-1 tcrules file";
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} else {
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if ( $params ) {
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( $port, $ip, $bad ) = split_list $params, 'Parameter';
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fatal_error "Invalid TPROXY specification( $cmd )" if defined $bad;
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} else {
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fatal_error "Invalid TPROXY specification ($cmd)" unless $cmd eq 'TPROXY' || $cmd eq 'TPROXY()';
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}
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$mark = in_hex( $globals{TPROXY_MARK} ) . '/' . in_hex( $globals{TPROXY_MARK} );
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}
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if ( $port ) {
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$port = validate_port( 'tcp', $port );
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} else {
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$port = 0;
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}
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$target .= " --on-port $port";
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if ( supplied $ip ) {
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if ( $family == F_IPV6 ) {
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$ip = $1 if $ip =~ /^\[(.+)\]$/ || $ip =~ /^<(.+)>$/;
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}
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validate_address $ip, 1;
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$target .= " --on-ip $ip";
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}
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$target .= ' --tproxy-mark';
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},
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TTL => sub() {
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fatal_error "TTL is not supported in IPv6 - use HL instead" if $family == F_IPV6;
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fatal_error "Invalid TTL specification( $cmd/$rest )" if $rest;
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fatal_error "Chain designator $designator not allowed with TTL" if $designator && ! ( $designator eq 'F' );
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$chain = 'tcfor';
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$cmd =~ /^TTL\(([-+]?\d+)\)$/;
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my $param = $1;
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fatal_error "Invalid TTL specification( $cmd )" unless $param && ( $param = abs $param ) < 256;
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if ( $1 =~ /^\+/ ) {
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$target .= " --ttl-inc $param";
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} elsif ( $1 =~ /\-/ ) {
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$target .= " --ttl-dec $param";
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} else {
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$target .= " --ttl-set $param";
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}
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},
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HL => sub() {
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fatal_error "HL is not supported in IPv4 - use TTL instead" if $family == F_IPV4;
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fatal_error "Invalid HL specification( $cmd/$rest )" if $rest;
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fatal_error "Chain designator $designator not allowed with HL" if $designator && ! ( $designator eq 'F' );
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$chain = 'tcfor';
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$cmd =~ /^HL\(([-+]?\d+)\)$/;
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my $param = $1;
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fatal_error "Invalid HL specification( $cmd )" unless $param && ( $param = abs $param ) < 256;
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if ( $1 =~ /^\+/ ) {
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$target .= " --hl-inc $param";
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} elsif ( $1 =~ /\-/ ) {
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$target .= " --hl-dec $param";
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} else {
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$target .= " --hl-set $param";
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}
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},
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IMQ => sub() {
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assert( $cmd =~ /^IMQ\((\d+)\)$/ );
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require_capability 'IMQ_TARGET', 'IMQ', 's';
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$target .= " --todev $1";
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},
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DSCP => sub() {
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assert( $cmd =~ /^DSCP\((\w+)\)$/ );
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require_capability 'DSCP_TARGET', 'The DSCP action', 's';
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my $dscp = numeric_value( $1 );
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$dscp = $dscpmap{$1} unless defined $dscp;
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fatal_error( "Invalid DSCP ($1)" ) unless defined $dscp && $dscp <= 0x38 && ! ( $dscp & 1 );
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$target .= ' --set-dscp ' . in_hex( $dscp );
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},
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TOS => sub() {
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assert( $cmd =~ /^TOS\((.+)\)$/ );
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$target .= decode_tos( $1 , 2 );
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},
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);
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if ( $source ) {
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if ( $source eq $fw ) {
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if ( $classid ) {
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fatal_error ":F is not allowed when the SOURCE is the firewall" if $chain eq 'tcfor';
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} else {
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$chain = 'tcout';
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}
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$source = '';
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} elsif ( $source =~ s/^($fw):// ) {
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fatal_error ":F is not allowed when the SOURCE is the firewall" if ( $designator || '' ) eq 'F';
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$chain = 'tcout';
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}
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}
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if ( $dest ) {
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if ( $dest eq $fw ) {
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fatal_error 'A CLASSIFY rule may not have $FW as the DEST' if $classid;
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$chain = 'tcin';
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$dest = '';
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} elsif ( $dest =~ s/^($fw):// ) {
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fatal_error 'A CLASSIFY rule may not have $FW as the DEST' if $classid;
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$chain = 'tcin';
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}
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}
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if ( $designator ) {
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$tcsref = $tcs{$designator};
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if ( $tcsref ) {
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if ( $chain eq 'tcout' ) {
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fatal_error "Invalid chain designator for source $fw" unless $tcsref->{fw};
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} elsif ( $chain eq 'tcin' ) {
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fatal_error "Invalid chain designator for dest $fw" unless $tcsref->{fwi};
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}
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$chain = $tcsref->{chain} if $tcsref->{chain};
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$target = $tcsref->{target} if $tcsref->{target};
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$mark = "$mark/" . in_hex( $globals{TC_MASK} ) if $connmark = $tcsref->{connmark};
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require_capability ('CONNMARK' , "CONNMARK Rules", '' ) if $connmark;
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} else {
|
|
unless ( $classid ) {
|
|
fatal_error "Invalid MARK ($originalmark)" unless $mark =~ /^([0-9a-fA-F]+)$/ and $designator =~ /^([0-9a-fA-F]+)$/;
|
|
fatal_error 'A CLASSIFY rule may not have $FW as the DEST' if $chain eq 'tcin';
|
|
$chain = 'tcpost';
|
|
$mark = $originalmark;
|
|
}
|
|
|
|
if ( $config{TC_ENABLED} eq 'Internal' || $config{TC_ENABLED} eq 'Shared' ) {
|
|
$originalmark = join( ':', normalize_hex( $mark ), normalize_hex( $designator ) );
|
|
fatal_error "Unknown Class ($mark)}" unless ( $device = $classids{$mark} );
|
|
fatal_error "IFB Classes may not be specified in tcrules" if @{$tcdevices{$device}{redirected}};
|
|
|
|
unless ( $tcclasses{$device}{hex_value $designator}{leaf} ) {
|
|
warning_message "Non-leaf Class ($originalmark) - tcrule ignored";
|
|
return;
|
|
}
|
|
|
|
if ( $dest eq '-' ) {
|
|
$dest = $device;
|
|
} else {
|
|
$dest = join( ':', $device, $dest ) unless $dest =~ /^[[:alpha:]]/;
|
|
}
|
|
}
|
|
|
|
$classid = 1;
|
|
$target = 'CLASSIFY --set-class';
|
|
}
|
|
}
|
|
|
|
if ( $mark =~ /^TOS/ ) {
|
|
$cmd = $mark;
|
|
$rest = '';
|
|
} else {
|
|
($cmd, $rest) = split( '/', $mark, 2 );
|
|
}
|
|
|
|
$list = '';
|
|
|
|
unless ( $classid ) {
|
|
MARK:
|
|
{
|
|
for my $tccmd ( @tccmd ) {
|
|
if ( $tccmd->{match}($cmd) ) {
|
|
fatal_error "$mark not valid with :C[FPT]" if $connmark;
|
|
|
|
require_capability ('CONNMARK' , "SAVE/RESTORE Rules", '' ) if $tccmd->{connmark};
|
|
|
|
$target = $tccmd->{target};
|
|
my $marktype = $tccmd->{mark};
|
|
|
|
if ( $marktype == NOMARK ) {
|
|
$mark = ''
|
|
} else {
|
|
$mark =~ s/^[|&]//;
|
|
}
|
|
|
|
if ( my $f = $processtcc{$target} ) {
|
|
$f->();
|
|
}
|
|
|
|
if ( $rest ) {
|
|
fatal_error "Invalid MARK ($originalmark)" if $marktype == NOMARK;
|
|
|
|
$mark = $rest if $tccmd->{mask};
|
|
|
|
if ( $marktype == SMALLMARK ) {
|
|
verify_small_mark $mark;
|
|
} else {
|
|
validate_mark $mark;
|
|
}
|
|
} elsif ( $tccmd->{mask} ) {
|
|
$mark = $tccmd->{mask};
|
|
}
|
|
|
|
last MARK;
|
|
}
|
|
}
|
|
|
|
validate_mark $mark;
|
|
|
|
if ( $config{PROVIDER_OFFSET} ) {
|
|
my $val = numeric_value( $cmd );
|
|
fatal_error "Invalid MARK/CLASSIFY ($cmd)" unless defined $val;
|
|
my $limit = $globals{TC_MASK};
|
|
unless ( have_capability 'FWMARK_RT_MASK' ) {
|
|
fatal_error "Marks <= $limit may not be set in the PREROUTING or OUTPUT chains when HIGH_ROUTE_MARKS=Yes"
|
|
if $cmd && ( $chain eq 'tcpre' || $chain eq 'tcout' ) && $val <= $limit;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fatal_error "USER/GROUP only allowed in the OUTPUT chain" unless ( $user eq '-' || ( $chain eq 'tcout' || $chain eq 'tcpost' ) );
|
|
|
|
if ( ( my $result = expand_rule( ensure_chain( 'mangle' , $chain ) ,
|
|
$restrictions{$chain} | $restriction,
|
|
do_proto( $proto, $ports, $sports) . $matches .
|
|
do_user( $user ) .
|
|
do_test( $testval, $globals{TC_MASK} ) .
|
|
do_length( $length ) .
|
|
do_tos( $tos ) .
|
|
do_connbytes( $connbytes ) .
|
|
do_helper( $helper ) .
|
|
do_headers( $headers ) .
|
|
do_probability( $probability ) .
|
|
do_dscp( $dscp ) ,
|
|
$source ,
|
|
$dest ,
|
|
'' ,
|
|
$mark ? "$target $mark" : $target,
|
|
'' ,
|
|
$target ,
|
|
'' ) )
|
|
&& $device ) {
|
|
#
|
|
# expand_rule() returns destination device if any
|
|
#
|
|
fatal_error "Class Id $originalmark is not associated with device $result" if $device ne $result &&( $config{TC_ENABLED} eq 'Internal' || $config{TC_ENABLED} eq 'Shared' );
|
|
}
|
|
|
|
progress_message " TC Rule \"$currentline\" $done";
|
|
|
|
}
|
|
|
|
sub rate_to_kbit( $ ) {
|
|
my $rate = $_[0];
|
|
|
|
return 0 if $rate eq '-';
|
|
return $1 if $rate =~ /^((\d+)(\.\d+)?)kbit$/i;
|
|
return $1 * 1000 if $rate =~ /^((\d+)(\.\d+)?)mbit$/i;
|
|
return $1 * 8000 if $rate =~ /^((\d+)(\.\d+)?)mbps$/i;
|
|
return $1 * 8 if $rate =~ /^((\d+)(\.\d+)?)kbps$/i;
|
|
return ($1/125) if $rate =~ /^((\d+)(\.\d+)?)(bps)?$/;
|
|
fatal_error "Invalid Rate ($rate)";
|
|
}
|
|
|
|
sub calculate_r2q( $ ) {
|
|
my $rate = rate_to_kbit $_[0];
|
|
my $r2q= $rate / 200 ;
|
|
$r2q <= 5 ? 5 : $r2q;
|
|
}
|
|
|
|
sub calculate_quantum( $$ ) {
|
|
my ( $rate, $r2q ) = @_;
|
|
$rate = rate_to_kbit $rate;
|
|
int( ( $rate * 125 ) / $r2q );
|
|
}
|
|
|
|
#
|
|
# The next two function implement handling of the IN-BANDWIDTH column in both tcdevices and tcinterfaces
|
|
#
|
|
sub process_in_bandwidth( $ ) {
|
|
my $in_rate = shift;
|
|
|
|
return 0 if $in_rate eq '-' or $in_rate eq '0';
|
|
|
|
my $in_burst = '10kb';
|
|
my $in_avrate = 0;
|
|
my $in_band = $in_rate;
|
|
my $burst;
|
|
my $in_interval = '250ms';
|
|
my $in_decay = '4sec';
|
|
|
|
if ( $in_rate =~ s/^~// ) {
|
|
require_capability 'BASIC_FILTER', 'An estimated policing filter', 's';
|
|
|
|
if ( $in_rate =~ /:/ ) {
|
|
( $in_rate, $in_interval, $in_decay ) = split /:/, $in_rate, 3;
|
|
fatal_error "Invalid IN-BANDWIDTH ($in_band)" unless supplied( $in_interval ) && supplied( $in_decay );
|
|
fatal_error "Invalid Interval ($in_interval)" unless $in_interval =~ /^(?:(?:250|500)ms|(?:1|2|4|8)sec)$/;
|
|
fatal_error "Invalid Decay ($in_decay)" unless $in_decay =~ /^(?:500ms|(?:1|2|4|8|16|32|64)sec)$/;
|
|
|
|
if ( $in_decay =~ /ms/ ) {
|
|
fatal_error "Decay must be at least twice the interval" unless $in_interval eq '250ms';
|
|
} else {
|
|
unless ( $in_interval =~ /ms/ ) {
|
|
my ( $interval, $decay ) = ( $in_interval, $in_decay );
|
|
$interval =~ s/sec//;
|
|
$decay =~ s/sec//;
|
|
|
|
fatal_error "Decay must be at least twice the interval" unless $decay > $interval;
|
|
}
|
|
}
|
|
}
|
|
|
|
$in_avrate = rate_to_kbit( $in_rate );
|
|
$in_rate = 0;
|
|
} else {
|
|
if ( $in_band =~ /:/ ) {
|
|
( $in_band, $burst ) = split /:/, $in_rate, 2;
|
|
fatal_error "Invalid burst ($burst)" unless $burst =~ /^\d+(k|kb|m|mb|mbit|kbit|b)?$/;
|
|
$in_burst = $burst;
|
|
}
|
|
|
|
$in_rate = rate_to_kbit( $in_band );
|
|
|
|
}
|
|
|
|
[ $in_rate, $in_burst, $in_avrate, $in_interval, $in_decay ];
|
|
}
|
|
|
|
sub handle_in_bandwidth( $$ ) {
|
|
my ($physical, $arrayref ) = @_;
|
|
|
|
return 1 unless $arrayref;
|
|
|
|
my ($in_rate, $in_burst, $in_avrate, $in_interval, $in_decay ) = @$arrayref;
|
|
|
|
emit ( "run_tc qdisc add dev $physical handle ffff: ingress" );
|
|
|
|
if ( have_capability 'BASIC_FILTER' ) {
|
|
if ( $in_rate ) {
|
|
emit( "run_tc filter add dev $physical parent ffff: protocol all prio 10 basic \\",
|
|
" police mpu 64 rate ${in_rate}kbit burst $in_burst action drop\n" );
|
|
} else {
|
|
emit( "run_tc filter add dev $physical parent ffff: protocol all prio 10 \\",
|
|
" estimator $in_interval $in_decay basic \\",
|
|
" police avrate ${in_avrate}kbit action drop\n" );
|
|
}
|
|
} else {
|
|
emit( "run_tc filter add dev $physical parent ffff: protocol all prio 10 \\" ,
|
|
" u32 match ip src " . ALLIPv4 . ' \\' ,
|
|
" police rate ${in_rate}kbit burst $in_burst drop flowid :1",
|
|
'',
|
|
"run_tc filter add dev $physical parent ffff: protocol all prio 10 \\" ,
|
|
" u32 match ip6 src " . ALLIPv6 . ' \\' ,
|
|
" police rate ${in_rate}kbit burst $in_burst drop flowid :1\n" );
|
|
}
|
|
}
|
|
|
|
sub process_flow($) {
|
|
my $flow = shift;
|
|
|
|
my @flow = split /,/, $flow;
|
|
|
|
for ( @flow ) {
|
|
fatal_error "Invalid flow key ($_)" unless $flow_keys{$_};
|
|
}
|
|
|
|
$flow;
|
|
}
|
|
|
|
sub process_simple_device() {
|
|
my ( $device , $type , $in_rate , $out_part ) = split_line 'tcinterfaces', { interface => 0, type => 1, in_bandwidth => 2, out_bandwidth => 3 };
|
|
|
|
fatal_error 'INTERFACE must be specified' if $device eq '-';
|
|
fatal_error "Duplicate INTERFACE ($device)" if $tcdevices{$device};
|
|
fatal_error "Invalid INTERFACE name ($device)" if $device =~ /[:+]/;
|
|
|
|
my $number = in_hexp( $tcdevices{$device} = ++$devnum );
|
|
|
|
fatal_error "Unknown interface( $device )" unless known_interface $device;
|
|
|
|
my $physical = physical_name $device;
|
|
my $dev = chain_base( $physical );
|
|
|
|
push @tcdevices, $device;
|
|
|
|
if ( $type ne '-' ) {
|
|
if ( lc $type eq 'external' ) {
|
|
$type = 'nfct-src';
|
|
} elsif ( lc $type eq 'internal' ) {
|
|
$type = 'dst';
|
|
} else {
|
|
fatal_error "Invalid TYPE ($type)";
|
|
}
|
|
}
|
|
|
|
$in_rate = process_in_bandwidth( $in_rate );
|
|
|
|
|
|
emit( '',
|
|
'#',
|
|
"# Setup Simple Traffic Shaping for $physical",
|
|
'#',
|
|
"setup_${dev}_tc() {"
|
|
);
|
|
|
|
push_indent;
|
|
|
|
emit "if interface_is_up $physical; then";
|
|
|
|
push_indent;
|
|
|
|
emit ( "qt \$TC qdisc del dev $physical root",
|
|
"qt \$TC qdisc del dev $physical ingress\n"
|
|
);
|
|
|
|
handle_in_bandwidth( $physical, $in_rate );
|
|
|
|
if ( $out_part ne '-' ) {
|
|
my ( $out_bandwidth, $burst, $latency, $peak, $minburst ) = split ':', $out_part;
|
|
|
|
fatal_error "Invalid Out-BANDWIDTH ($out_part)" if ( defined $minburst && $minburst =~ /:/ ) || $out_bandwidth eq '';
|
|
|
|
$out_bandwidth = rate_to_kbit( $out_bandwidth );
|
|
|
|
my $command = "run_tc qdisc add dev $physical root handle $number: tbf rate ${out_bandwidth}kbit";
|
|
|
|
if ( supplied $burst ) {
|
|
fatal_error "Invalid burst ($burst)" unless $burst =~ /^\d+(?:\.\d+)?(k|kb|m|mb|mbit|kbit|b)?$/;
|
|
$command .= " burst $burst";
|
|
} else {
|
|
$command .= ' burst 10kb';
|
|
}
|
|
|
|
if ( supplied $latency ) {
|
|
fatal_error "Invalid latency ($latency)" unless $latency =~ /^\d+(?:\.\d+)?(s|sec|secs|ms|msec|msecs|us|usec|usecs)?$/;
|
|
$command .= " latency $latency";
|
|
} else {
|
|
$command .= ' latency 200ms';
|
|
}
|
|
|
|
$command .= ' mpu 64'; #Assume Ethernet
|
|
|
|
if ( supplied $peak ) {
|
|
fatal_error "Invalid peak ($peak)" unless $peak =~ /^\d+(?:\.\d+)?(k|kb|m|mb|mbit|kbit|b)?$/;
|
|
$command .= " peakrate $peak";
|
|
}
|
|
|
|
if ( supplied $minburst ) {
|
|
fatal_error "Invalid minburst ($minburst)" unless $minburst =~ /^\d+(?:\.\d+)?(k|kb|m|mb|mbit|kbit|b)?$/;
|
|
$command .= " minburst $minburst";
|
|
}
|
|
|
|
emit $command;
|
|
|
|
my $id = $number; $number = in_hexp( $devnum | 0x100 );
|
|
|
|
emit "run_tc qdisc add dev $physical parent $id: handle $number: prio bands 3 priomap $config{TC_PRIOMAP}";
|
|
} else {
|
|
emit "run_tc qdisc add dev $physical root handle $number: prio bands 3 priomap $config{TC_PRIOMAP}";
|
|
}
|
|
|
|
for ( my $i = 1; $i <= 3; $i++ ) {
|
|
emit "run_tc qdisc add dev $physical parent $number:$i handle ${number}${i}: sfq quantum 1875 limit 127 perturb 10";
|
|
emit "run_tc filter add dev $physical protocol all prio 2 parent $number: handle $i fw classid $number:$i";
|
|
emit "run_tc filter add dev $physical protocol all prio 1 parent ${number}$i: handle ${number}${i} flow hash keys $type divisor 1024" if $type ne '-' && have_capability 'FLOW_FILTER';
|
|
emit '';
|
|
}
|
|
|
|
emit( "run_tc filter add dev $physical parent $number:0 protocol all prio 1 u32" .
|
|
"\\\n match ip protocol 6 0xff" .
|
|
"\\\n match u8 0x05 0x0f at 0" .
|
|
"\\\n match u16 0x0000 0xffc0 at 2" .
|
|
"\\\n match u8 0x10 0xff at 33 flowid $number:1\n" );
|
|
|
|
emit( "run_tc filter add dev $physical parent $number:0 protocol all prio 1 u32" .
|
|
"\\\n match ip6 protocol 6 0xff" .
|
|
"\\\n match u8 0x05 0x0f at 0" .
|
|
"\\\n match u16 0x0000 0xffc0 at 2" .
|
|
"\\\n match u8 0x10 0xff at 33 flowid $number:1\n" );
|
|
|
|
save_progress_message_short qq(" TC Device $physical defined.");
|
|
|
|
pop_indent;
|
|
emit 'else';
|
|
push_indent;
|
|
|
|
emit qq(error_message "WARNING: Device $physical is not in the UP state -- traffic-shaping configuration skipped");
|
|
pop_indent;
|
|
emit 'fi';
|
|
pop_indent;
|
|
emit "}\n";
|
|
|
|
progress_message " Simple tcdevice \"$currentline\" $done.";
|
|
}
|
|
|
|
my %validlinklayer = ( ethernet => 1, atm => 1, adsl => 1 );
|
|
|
|
sub validate_tc_device( ) {
|
|
my ( $device, $inband, $outband , $options , $redirected ) = split_line 'tcdevices', { interface => 0, in_bandwidth => 1, out_bandwidth => 2, options => 3, redirect => 4 };
|
|
|
|
fatal_error 'INTERFACE must be specified' if $device eq '-';
|
|
fatal_error "Invalid tcdevices entry" if $outband eq '-';
|
|
|
|
my $devnumber;
|
|
|
|
if ( $device =~ /:/ ) {
|
|
( my $number, $device, my $rest ) = split /:/, $device, 3;
|
|
|
|
fatal_error "Invalid NUMBER:INTERFACE ($device:$number:$rest)" if defined $rest;
|
|
|
|
if ( defined $number ) {
|
|
$number = normalize_hex( $number );
|
|
$devnumber = hex_value( $number );
|
|
fatal_error "Invalid device NUMBER ($number)" unless defined $devnumber && $devnumber && $devnumber < 256;
|
|
fatal_error "Duplicate interface number ($number)" if defined $devnums[ $devnumber ];
|
|
} else {
|
|
fatal_error "Missing interface NUMBER";
|
|
}
|
|
} else {
|
|
1 while $devnums[++$devnum];
|
|
|
|
if ( ( $devnumber = $devnum ) > 255 ) {
|
|
fatal_error "Attempting to assign a device number > 255";
|
|
}
|
|
}
|
|
|
|
$devnums[ $devnumber ] = $device;
|
|
|
|
fatal_error "Duplicate INTERFACE ($device)" if $tcdevices{$device};
|
|
fatal_error "Invalid INTERFACE name ($device)" if $device =~ /[:+]/;
|
|
|
|
my ( $classify, $pfifo, $flow, $qdisc, $linklayer, $overhead, $mtu, $mpu, $tsize ) =
|
|
(0, 0, '', 'htb', '', 0, 0, 0, 0);
|
|
|
|
if ( $options ne '-' ) {
|
|
for my $option ( split_list1 $options, 'option' ) {
|
|
if ( $option eq 'classify' ) {
|
|
$classify = 1;
|
|
} elsif ( $option =~ /^flow=(.*)$/ ) {
|
|
fatal_error "The 'flow' option is not allowed with 'pfifo'" if $pfifo;
|
|
$flow = process_flow $1;
|
|
} elsif ( $option eq 'pfifo' ) {
|
|
fatal_error "The 'pfifo'' option is not allowed with 'flow='" if $flow;
|
|
$pfifo = 1;
|
|
} elsif ( $option eq 'hfsc' ) {
|
|
$qdisc = 'hfsc';
|
|
} elsif ( $option eq 'htb' ) {
|
|
$qdisc = 'htb';
|
|
} elsif ( $option =~ /^linklayer=([a-z]+)$/ ) {
|
|
$linklayer = $1;
|
|
fatal_error "Invalid linklayer ($linklayer)" unless $validlinklayer{ $linklayer };
|
|
} elsif ( $option =~ /^overhead=(.+)$/ ) {
|
|
$overhead = numeric_value( $1 );
|
|
fatal_error "Invalid overhead ($1)" unless defined $overhead;
|
|
fatal_error q('overhead' requires 'linklayer') unless $linklayer;
|
|
} elsif ( $option =~ /^mtu=(.+)$/ ) {
|
|
$mtu = numeric_value( $1 );
|
|
fatal_error "Invalid mtu ($1)" unless defined $mtu;
|
|
fatal_error q('mtu' requires 'linklayer') unless $linklayer;
|
|
} elsif ( $option =~ /^mpu=(.+)$/ ) {
|
|
$mpu = numeric_value( $1 );
|
|
fatal_error "Invalid mpu ($1)" unless defined $mpu;
|
|
fatal_error q('mpu' requires 'linklayer') unless $linklayer;
|
|
} elsif ( $option =~ /^tsize=(.+)$/ ) {
|
|
$tsize = numeric_value( $1 );
|
|
fatal_error "Invalid tsize ($1)" unless defined $tsize;
|
|
fatal_error q('tsize' requires 'linklayer') unless $linklayer;
|
|
} else {
|
|
fatal_error "Unknown device option ($option)";
|
|
}
|
|
}
|
|
}
|
|
|
|
my @redirected = ();
|
|
|
|
@redirected = split_list( $redirected , 'device' ) if defined $redirected && $redirected ne '-';
|
|
|
|
if ( @redirected ) {
|
|
fatal_error "IFB devices may not have IN-BANDWIDTH" if $inband ne '-' && $inband;
|
|
$classify = 1;
|
|
|
|
for my $rdevice ( @redirected ) {
|
|
fatal_error "Invalid device name ($rdevice)" if $rdevice =~ /[:+]/;
|
|
my $rdevref = $tcdevices{$rdevice};
|
|
fatal_error "REDIRECTED device ($rdevice) has not been defined in this file" unless $rdevref;
|
|
fatal_error "IN-BANDWIDTH must be zero for REDIRECTED devices" if $rdevref->{in_bandwidth} != 0;
|
|
}
|
|
}
|
|
|
|
$inband = process_in_bandwidth( $inband );
|
|
|
|
$tcdevices{$device} = { in_bandwidth => $inband,
|
|
out_bandwidth => rate_to_kbit( $outband ) . 'kbit',
|
|
number => $devnumber,
|
|
classify => $classify,
|
|
flow => $flow,
|
|
pfifo => $pfifo,
|
|
tablenumber => 1 ,
|
|
redirected => \@redirected,
|
|
default => undef,
|
|
nextclass => 2,
|
|
qdisc => $qdisc,
|
|
guarantee => 0,
|
|
name => $device,
|
|
physical => physical_name $device,
|
|
filters => [],
|
|
linklayer => $linklayer,
|
|
overhead => $overhead,
|
|
mtu => $mtu,
|
|
mpu => $mpu,
|
|
tsize => $tsize,
|
|
} ,
|
|
|
|
push @tcdevices, $device;
|
|
|
|
$tcclasses{$device} = {};
|
|
|
|
progress_message " Tcdevice \"$currentline\" $done.";
|
|
}
|
|
|
|
sub convert_rate( $$$$ ) {
|
|
my ($full, $rate, $column, $max) = @_;
|
|
|
|
if ( $rate =~ /\bfull\b/ ) {
|
|
$rate =~ s/\bfull\b/$full/g;
|
|
fatal_error "Invalid $column ($_[1])" if $rate =~ m{[^0-9*/+()-]};
|
|
no warnings;
|
|
$rate = eval "int( $rate )";
|
|
use warnings;
|
|
fatal_error "Invalid $column ($_[1])" unless defined $rate;
|
|
} else {
|
|
$rate = rate_to_kbit $rate
|
|
}
|
|
|
|
fatal_error "$column may not be zero" unless $rate;
|
|
fatal_error "$column ($_[1]) exceeds $max (${full}kbit)" if $rate > $full;
|
|
|
|
$rate;
|
|
}
|
|
|
|
sub convert_delay( $ ) {
|
|
my $delay = shift;
|
|
|
|
return 0 unless $delay;
|
|
return $1 if $delay =~ /^(\d+(\.\d+)?)(ms)?$/;
|
|
fatal_error "Invalid Delay ($delay)";
|
|
}
|
|
|
|
sub convert_size( $ ) {
|
|
my $size = shift;
|
|
return '' unless $size;
|
|
return $1 if $size =~ /^(\d+)b?$/;
|
|
fatal_error "Invalid Size ($size)";
|
|
}
|
|
|
|
sub dev_by_number( $ ) {
|
|
my $dev = $_[0];
|
|
my $devnum = uc $dev;
|
|
my $devref;
|
|
|
|
if ( $devnum =~ /^\d+$/ ) {
|
|
$dev = $devnums[ $devnum ];
|
|
fatal_error "Undefined INTERFACE number ($_[0])" unless defined $dev;
|
|
$devref = $tcdevices{$dev};
|
|
assert( $devref );
|
|
} else {
|
|
$devref = $tcdevices{$dev};
|
|
fatal_error "Unknown INTERFACE ($dev)" unless $devref;
|
|
}
|
|
|
|
( $dev , $devref );
|
|
}
|
|
|
|
use constant { RED_INTEGER => 1, RED_FLOAT => 2, RED_NONE => 3 };
|
|
|
|
my %validredoptions = ( min => RED_INTEGER,
|
|
max => RED_INTEGER,
|
|
limit => RED_INTEGER,
|
|
burst => RED_INTEGER,
|
|
avpkt => RED_INTEGER,
|
|
bandwidth => RED_INTEGER,
|
|
probability => RED_FLOAT,
|
|
ecn => RED_NONE,
|
|
);
|
|
|
|
sub validate_tc_class( ) {
|
|
my ( $devclass, $mark, $rate, $ceil, $prio, $options ) =
|
|
split_line 'tcclasses file', { interface => 0, mark => 1, rate => 2, ceil => 3, prio => 4, options => 5 };
|
|
my $classnumber = 0;
|
|
my $devref;
|
|
my $device = $devclass;
|
|
my $occurs = 1;
|
|
my $parentclass = 1;
|
|
my $parentref;
|
|
my $lsceil = 0;
|
|
|
|
fatal_error 'INTERFACE must be specified' if $devclass eq '-';
|
|
fatal_error 'CEIL must be specified' if $ceil eq '-';
|
|
|
|
if ( $devclass =~ /:/ ) {
|
|
( $device, my ($number, $subnumber, $rest ) ) = split /:/, $device, 4;
|
|
fatal_error "Invalid INTERFACE:CLASS ($devclass)" if defined $rest;
|
|
|
|
if ( $device =~ /^[\da-fA-F]+$/ && ! $tcdevices{$device} ) {
|
|
( $number , $classnumber ) = ( hex_value $device, hex_value $number );
|
|
( $device , $devref) = dev_by_number( $number );
|
|
} else {
|
|
$classnumber = hex_value $number;
|
|
($device, $devref ) = dev_by_number( $device);
|
|
$number = $devref->{number};
|
|
}
|
|
|
|
if ( defined $number ) {
|
|
if ( defined $subnumber ) {
|
|
fatal_error "Invalid interface/class number ($devclass)" unless defined $classnumber && $classnumber;
|
|
$parentclass = $classnumber;
|
|
$classnumber = hex_value $subnumber;
|
|
}
|
|
|
|
fatal_error "Invalid interface/class number ($devclass)" unless defined $classnumber && $classnumber && $classnumber < 0x8000;
|
|
fatal_error "Reserved class number (1)" if $classnumber == 1;
|
|
fatal_error "Duplicate interface:class number ($number:$classnumber}" if $tcclasses{$device}{$classnumber};
|
|
} else {
|
|
fatal_error "Missing interface NUMBER";
|
|
}
|
|
} else {
|
|
($device, $devref ) = dev_by_number( $device );
|
|
fatal_error "Missing class NUMBER" if $devref->{classify};
|
|
}
|
|
|
|
my $full = rate_to_kbit $devref->{out_bandwidth};
|
|
my $ratemax = $full;
|
|
my $ceilmax = $full;
|
|
my $ratename = 'OUT-BANDWIDTH';
|
|
my $ceilname = 'OUT-BANDWIDTH';
|
|
|
|
my $tcref = $tcclasses{$device};
|
|
|
|
my $markval = 0;
|
|
|
|
if ( $mark ne '-' ) {
|
|
if ( $devref->{classify} ) {
|
|
warning_message "INTERFACE $device has the 'classify' option - MARK value ($mark) ignored";
|
|
} else {
|
|
fatal_error "MARK may not be specified when TC_BITS=0" unless $config{TC_BITS};
|
|
|
|
$markval = numeric_value( $mark );
|
|
fatal_error "Invalid MARK ($markval)" unless defined $markval;
|
|
|
|
fatal_error "Invalid Mark ($mark)" unless $markval <= $globals{TC_MAX};
|
|
|
|
if ( $classnumber ) {
|
|
fatal_error "Duplicate Class NUMBER ($classnumber)" if $tcref->{$classnumber};
|
|
} else {
|
|
$classnumber = $config{TC_BITS} >= 14 ? $devref->{nextclass}++ : hex_value( $devnum . $markval );
|
|
fatal_error "Duplicate MARK ($mark)" if $tcref->{$classnumber};
|
|
}
|
|
}
|
|
} else {
|
|
fatal_error "Duplicate Class NUMBER ($classnumber)" if $tcref->{$classnumber};
|
|
$markval = '-';
|
|
}
|
|
|
|
if ( $parentclass != 1 ) {
|
|
#
|
|
# Nested Class
|
|
#
|
|
$parentref = $tcref->{$parentclass};
|
|
my $parentnum = in_hexp $parentclass;
|
|
fatal_error "Unknown Parent class ($parentnum)" unless $parentref && $parentref->{occurs} == 1;
|
|
fatal_error "The class ($parentnum) specifies UMAX and/or DMAX; it cannot serve as a parent" if $parentref->{dmax};
|
|
fatal_error "The class ($parentnum) specifies 'flow'; it cannot serve as a parent" if $parentref->{flow};
|
|
fatal_error "The class ($parentnum) specifies 'red'; it cannot serve as a parent " if $parentref->{red};
|
|
fatal_error "The class ($parentnum) has an 'ls' curve; it cannot serve as a parent " if $parentref->{lsceil};
|
|
fatal_error "The default class ($parentnum) may not have sub-classes" if ( $devref->{default} || 0 ) == $parentclass;
|
|
$parentref->{leaf} = 0;
|
|
$ratemax = $parentref->{rate};
|
|
$ratename = q(the parent class's RATE);
|
|
$ceilmax = $parentref->{ceiling};
|
|
$ceilname = q(the parent class's CEIL);
|
|
}
|
|
|
|
my ( $umax, $dmax ) = ( '', '' );
|
|
|
|
if ( $ceil =~ /^(.+):(.+)/ ) {
|
|
fatal_error "An LS rate may only be specified for HFSC classes" unless $devref->{qdisc} eq 'hfsc';
|
|
$lsceil = $1;
|
|
$ceil = $2;
|
|
}
|
|
|
|
if ( $devref->{qdisc} eq 'hfsc' ) {
|
|
if ( $rate eq '-' ) {
|
|
fatal_error 'A RATE must be supplied' unless $lsceil;
|
|
$rate = 0;
|
|
} else {
|
|
( my $trate , $dmax, $umax , my $rest ) = split ':', $rate , 4;
|
|
|
|
fatal_error "Invalid RATE ($rate)" if defined $rest;
|
|
|
|
$rate = convert_rate ( $ratemax, $trate, 'RATE', $ratename );
|
|
$dmax = convert_delay( $dmax );
|
|
$umax = convert_size( $umax );
|
|
fatal_error "DMAX must be specified when UMAX is specified" if $umax && ! $dmax;
|
|
$parentclass ||= 1;
|
|
}
|
|
} else {
|
|
$rate = convert_rate ( $ratemax, $rate, 'RATE' , $ratename );
|
|
}
|
|
|
|
if ( $parentref ) {
|
|
warning_message "Total RATE of sub classes ($parentref->{guarantee}kbits) exceeds RATE of parent class ($parentref->{rate}kbits)" if ( $parentref->{guarantee} += $rate ) > $parentref->{rate};
|
|
} else {
|
|
warning_message "Total RATE of classes ($devref->{guarantee}kbits) exceeds OUT-BANDWIDTH (${full}kbits)" if ( $devref->{guarantee} += $rate ) > $full;
|
|
}
|
|
|
|
fatal_error "Invalid PRIO ($prio)" unless defined numeric_value $prio;
|
|
|
|
$tcref->{$classnumber} = { tos => [] ,
|
|
rate => $rate ,
|
|
umax => $umax ,
|
|
dmax => $dmax ,
|
|
ceiling => $ceil = ( supplied $ceil ? convert_rate( $ceilmax, $ceil, 'CEIL' , $ceilname ) : 0 ),
|
|
lsceil => $lsceil = ( $lsceil ? convert_rate( $ceilmax, $lsceil, 'LSCEIL', $ceilname ) : 0 ),
|
|
priority => $prio eq '-' ? 1 : $prio ,
|
|
mark => $markval ,
|
|
flow => '' ,
|
|
pfifo => 0,
|
|
occurs => 1,
|
|
parent => $parentclass,
|
|
leaf => 1,
|
|
guarantee => 0,
|
|
limit => 127,
|
|
};
|
|
|
|
$tcref = $tcref->{$classnumber};
|
|
|
|
fatal_error "RATE ($rate) exceeds CEIL ($ceil)" if $rate && $ceil && $rate > $ceil;
|
|
|
|
my ( $red, %redopts ) = ( 0, ( avpkt => 1000 ) );
|
|
|
|
unless ( $options eq '-' ) {
|
|
for my $option ( split_list1 "\L$options", 'option' ) {
|
|
my $optval = $tosoptions{$option};
|
|
|
|
$option = "tos=$optval" if $optval;
|
|
|
|
if ( $option eq 'default' ) {
|
|
fatal_error "Only one default class may be specified for device $device" if $devref->{default};
|
|
fatal_error "The $option option is not valid with 'occurs" if $tcref->{occurs} > 1;
|
|
$devref->{default} = $classnumber;
|
|
} elsif ( $option eq 'tcp-ack' ) {
|
|
fatal_error "The $option option is not valid with 'occurs" if $tcref->{occurs} > 1;
|
|
$tcref->{tcp_ack} = 1;
|
|
} elsif ( $option =~ /^tos=0x[0-9a-f]{2}$/ ) {
|
|
fatal_error "The $option option is not valid with 'occurs" if $tcref->{occurs} > 1;
|
|
( undef, $option ) = split /=/, $option;
|
|
push @{$tcref->{tos}}, "$option/0xff";
|
|
} elsif ( $option =~ /^tos=0x[0-9a-f]{2}\/0x[0-9a-f]{2}$/ ) {
|
|
fatal_error "The $option option is not valid with 'occurs" if $tcref->{occurs} > 1;
|
|
( undef, $option ) = split /=/, $option;
|
|
push @{$tcref->{tos}}, $option;
|
|
} elsif ( $option =~ /^flow=(.*)$/ ) {
|
|
fatal_error "The 'flow' option is not allowed with 'pfifo'" if $tcref->{pfifo};
|
|
fatal_error "The 'flow' option is not allowed with 'red'" if $tcref->{red};
|
|
$tcref->{flow} = process_flow $1;
|
|
} elsif ( $option eq 'pfifo' ) {
|
|
fatal_error "The 'pfifo' option is not allowed with 'flow='" if $tcref->{flow};
|
|
fatal_error "The 'pfifo' option is not allowed with 'red='" if $tcref->{red};
|
|
$tcref->{pfifo} = 1;
|
|
} elsif ( $option =~ /^occurs=(\d+)$/ ) {
|
|
my $val = $1;
|
|
$occurs = numeric_value($val);
|
|
|
|
fatal_error q(The 'occurs' option is only valid for IPv4) if $family == F_IPV6;
|
|
fatal_error q(The 'occurs' option may not be used with 'classify') if $devref->{classify};
|
|
fatal_error "Invalid 'occurs' ($val)" unless defined $occurs && $occurs > 1 && $occurs <= 256;
|
|
fatal_error "Invalid 'occurs' ($val)" if $occurs > $globals{TC_MAX};
|
|
fatal_error q(Duplicate 'occurs') if $tcref->{occurs} > 1;
|
|
fatal_error q(The 'occurs' option is not valid with 'default') if $devref->{default} == $classnumber;
|
|
fatal_error q(The 'occurs' option is not valid with 'tos') if @{$tcref->{tos}};
|
|
warning_message "MARK ($mark) is ignored on an occurring class" if $mark ne '-';
|
|
|
|
$tcref->{occurs} = $occurs;
|
|
$devref->{occurs} = 1;
|
|
} elsif ( $option =~ /^limit=(\d+)$/ ) {
|
|
warning_message "limit ignored with pfifo queuing" if $tcref->{pfifo};
|
|
fatal_error "Invalid limit ($1)" if $1 < 3 || $1 > 128;
|
|
$tcref->{limit} = $1;
|
|
} elsif ( $option =~ s/^red=// ) {
|
|
fatal_error "The 'red=' option is not allowed with 'flow='" if $tcref->{flow};
|
|
fatal_error "The 'red=' option is not allowed with 'pfifo'" if $tcref->{pfifo};
|
|
$tcref->{red} = 1;
|
|
my $opttype;
|
|
for my $redopt ( split_list( $option , q('red' option list) ) ) {
|
|
if ( $redopt =~ /^([a-z]+)(?:=((0?\.)?(\d{1,8})))?$/ ) {
|
|
fatal_error "Invalid 'red' option ($1)" unless $opttype = $validredoptions{$1};
|
|
fatal_error "The $1 option requires a value" unless $opttype == RED_NONE || $2;
|
|
fatal_error "The $1 option requires a value 0 < value < 1" if $opttype == RED_FLOAT && ! $3;
|
|
fatal_error "The $1 option requires an integer value" if $opttype == RED_INTEGER && $3;
|
|
fatal_error "The $1 option does not take a value" if $opttype == RED_NONE && $2;
|
|
$redopts{$1} = $2;
|
|
} else {
|
|
fatal_error "Invalid 'red' option specification ($redopt)";
|
|
}
|
|
}
|
|
|
|
for ( qw/ limit min max avpkt burst probability / ) {
|
|
fatal_error "The $_ 'red' option is required" unless $redopts{$_};
|
|
}
|
|
|
|
fatal_error "The 'max' red option must be at least 2 * 'min'" unless $redopts{max} >= 2 * $redopts{min};
|
|
fatal_error "The 'limit' red option must be at least 2 * 'max'" unless $redopts{limit} >= 2 * $redopts{min};
|
|
$redopts{ecn} = 1 if exists $redopts{ecn};
|
|
$tcref->{redopts} = \%redopts;
|
|
} else {
|
|
fatal_error "Unknown option ($option)";
|
|
}
|
|
}
|
|
}
|
|
|
|
unless ( $devref->{classify} || $occurs > 1 ) {
|
|
if ( $mark ne '-' ) {
|
|
fatal_error "Missing MARK" if $mark eq '-';
|
|
warning_message "Class NUMBER ignored -- INTERFACE $device does not have the 'classify' option" if $devclass =~ /:/;
|
|
}
|
|
}
|
|
|
|
$tcref->{flow} = $devref->{flow} unless $tcref->{flow};
|
|
$tcref->{pfifo} = $devref->{pfifo} unless $tcref->{flow} || $tcref->{pfifo};
|
|
|
|
push @tcclasses, "$device:$classnumber";
|
|
|
|
while ( --$occurs ) {
|
|
fatal_error "Duplicate class number ($classnumber)" if $tcclasses{$device}{++$classnumber};
|
|
|
|
$tcclasses{$device}{$classnumber} = { tos => [] ,
|
|
rate => $tcref->{rate} ,
|
|
ceiling => $tcref->{ceiling} ,
|
|
priority => $tcref->{priority} ,
|
|
mark => 0 ,
|
|
flow => $tcref->{flow} ,
|
|
pfifo => $tcref->{pfifo},
|
|
occurs => 0,
|
|
parent => $parentclass,
|
|
limit => $tcref->{limit},
|
|
red => $tcref->{red},
|
|
redopts => $tcref->{redopts},
|
|
};
|
|
push @tcclasses, "$device:$classnumber";
|
|
};
|
|
|
|
progress_message " Tcclass \"$currentline\" $done.";
|
|
}
|
|
|
|
my %validlengths = ( 32 => '0xffe0', 64 => '0xffc0', 128 => '0xff80', 256 => '0xff00', 512 => '0xfe00', 1024 => '0xfc00', 2048 => '0xf800', 4096 => '0xf000', 8192 => '0xe000' );
|
|
|
|
#
|
|
# Process a record from the tcfilters file
|
|
#
|
|
sub process_tc_filter() {
|
|
|
|
my ( $devclass, $source, $dest , $proto, $portlist , $sportlist, $tos, $length ) = split_line 'tcfilters file', { class => 0, source => 1, dest => 2, proto => 3, dport => 4, sport => 5, tos => 6, length => 7 };
|
|
|
|
fatal_error 'CLASS must be specified' if $devclass eq '-';
|
|
|
|
my ($device, $class, $rest ) = split /:/, $devclass, 3;
|
|
|
|
our $lastdevice;
|
|
|
|
fatal_error "Invalid INTERFACE:CLASS ($devclass)" if defined $rest || ! ($device && $class );
|
|
|
|
my ( $ip, $ip32, $prio , $lo ) = $family == F_IPV4 ? ('ip', 'ip', 10, 2 ) : ('ipv6', 'ip6', 11 , 4 );
|
|
|
|
my $devref;
|
|
|
|
if ( $device =~ /^[\da-fA-F]+$/ && ! $tcdevices{$device} ) {
|
|
( $device, $devref ) = dev_by_number( hex_value( $device ) );
|
|
} else {
|
|
( $device , $devref ) = dev_by_number( $device );
|
|
}
|
|
|
|
my $devnum = in_hexp $devref->{number};
|
|
|
|
my $tcref = $tcclasses{$device};
|
|
|
|
my $filtersref = $devref->{filters};
|
|
|
|
fatal_error "No Classes were defined for INTERFACE $device" unless $tcref;
|
|
|
|
my $classnum = hex_value $class;
|
|
|
|
fatal_error "Invalid CLASS ($class)" unless defined $classnum;
|
|
|
|
$tcref = $tcref->{$classnum};
|
|
|
|
fatal_error "Unknown CLASS ($devclass)" unless $tcref && $tcref->{occurs};
|
|
fatal_error "Filters may not specify an occurring CLASS" if $tcref->{occurs} > 1;
|
|
|
|
unless ( $tcref->{leaf} ) {
|
|
warning_message "Filter specifying a non-leaf CLASS ($devnum:$class) ignored";
|
|
return;
|
|
}
|
|
|
|
my $have_rule = 0;
|
|
|
|
my $rule = "filter add dev $devref->{physical} protocol $ip parent $devnum:0 prio $prio u32";
|
|
|
|
if ( $source ne '-' ) {
|
|
my ( $net , $mask ) = decompose_net( $source );
|
|
$rule .= "\\\n match $ip32 src $net/$mask";
|
|
$have_rule = 1;
|
|
}
|
|
|
|
if ( $dest ne '-' ) {
|
|
my ( $net , $mask ) = decompose_net( $dest );
|
|
$rule .= "\\\n match $ip32 dst $net/$mask";
|
|
$have_rule = 1;
|
|
}
|
|
|
|
if ( $tos ne '-' ) {
|
|
my $tosval = $tosoptions{$tos};
|
|
my $mask;
|
|
|
|
$tosval = $tos unless $tosval;
|
|
|
|
if ( $tosval =~ /^0x[0-9a-f]{2}$/ ) {
|
|
$mask = '0xff';
|
|
} elsif ( $tosval =~ /^(0x[0-9a-f]{2})\/(0x[0-9a-f]{2})$/ ) {
|
|
$tosval = $1;
|
|
$mask = $2;
|
|
} else {
|
|
fatal_error "Invalid TOS ($tos)";
|
|
}
|
|
|
|
$rule .= "\\\n match $ip32 tos $tosval $mask";
|
|
$have_rule = 1;
|
|
}
|
|
|
|
if ( $length ne '-' ) {
|
|
my $len = numeric_value( $length ) || 0;
|
|
my $mask = $validlengths{$len};
|
|
fatal_error "Invalid LENGTH ($length)" unless $mask;
|
|
$rule .="\\\n match u16 0x0000 $mask at $lo";
|
|
$have_rule = 1;
|
|
}
|
|
|
|
my $protonumber = 0;
|
|
|
|
unless ( $proto eq '-' ) {
|
|
$protonumber = resolve_proto $proto;
|
|
fatal_error "Unknown PROTO ($proto)" unless defined $protonumber;
|
|
if ( $protonumber ) {
|
|
$rule .= "\\\n match $ip32 protocol $protonumber 0xff";
|
|
$have_rule = 1;
|
|
}
|
|
}
|
|
|
|
if ( $portlist eq '-' && $sportlist eq '-' ) {
|
|
if ( $have_rule ) {
|
|
push @$filtersref , ( "\nrun_tc $rule\\" ,
|
|
" flowid $devnum:$class" ,
|
|
'' );
|
|
} else {
|
|
warning_message "Degenerate tcfilter ignored";
|
|
}
|
|
} else {
|
|
fatal_error "Ports may not be specified without a PROTO" unless $protonumber;
|
|
our $lastrule;
|
|
our $lasttnum;
|
|
#
|
|
# In order to be able to access the protocol header, we must create another hash table and link to it.
|
|
#
|
|
# Create the Table.
|
|
#
|
|
my $tnum;
|
|
|
|
if ( $lastrule eq $rule ) {
|
|
#
|
|
# The source, dest and protocol are the same as the last rule that specified a port
|
|
# Use the same table
|
|
#
|
|
$tnum = $lasttnum
|
|
} else {
|
|
$tnum = in_hex3 $devref->{tablenumber}++;
|
|
$lasttnum = $tnum;
|
|
$lastrule = $rule;
|
|
|
|
push @$filtersref, ( "\nrun_tc filter add dev $devref->{physical} parent $devnum:0 protocol $ip prio $prio handle $tnum: u32 divisor 1" );
|
|
}
|
|
#
|
|
# And link to it using the current contents of $rule
|
|
#
|
|
if ( $family == F_IPV4 ) {
|
|
push @$filtersref, ( "\nrun_tc $rule\\" ,
|
|
" link $tnum:0 offset at 0 mask 0x0F00 shift 6 plus 0 eat" );
|
|
} else {
|
|
push @$filtersref, ( "\nrun_tc $rule\\" ,
|
|
" link $tnum:0 offset plus 40 eat" );
|
|
}
|
|
#
|
|
# The rule to match the port(s) will be inserted into the new table
|
|
#
|
|
$rule = "filter add dev $devref->{physical} protocol $ip parent $devnum:0 prio $prio u32 ht $tnum:0";
|
|
|
|
if ( $portlist eq '-' ) {
|
|
fatal_error "Only TCP, UDP and SCTP may specify SOURCE PORT"
|
|
unless $protonumber == TCP || $protonumber == UDP || $protonumber == SCTP;
|
|
|
|
for my $sportrange ( split_list $sportlist , 'port list' ) {
|
|
my @sportlist = expand_port_range $protonumber , $sportrange;
|
|
|
|
while ( @sportlist ) {
|
|
my ( $sport, $smask ) = ( shift @sportlist, shift @sportlist );
|
|
my $rule1;
|
|
|
|
if ( $protonumber == TCP ) {
|
|
$rule1 = join( ' ', 'match tcp src', hex_value( $sport ), "0x$smask" );
|
|
} elsif ( $protonumber == UDP ) {
|
|
$rule1 = join( ' ', 'match udp src', hex_value( $sport ), "0x$smask" );
|
|
} else {
|
|
$rule1 = "match u32 0x${sport}0000 0x${smask}0000 at nexthdr+0" ,
|
|
}
|
|
|
|
push @$filtersref, ( "\nrun_tc $rule\\" ,
|
|
" $rule1\\" ,
|
|
" flowid $devnum:$class" );
|
|
}
|
|
}
|
|
} else {
|
|
fatal_error "Only TCP, UDP, SCTP and ICMP may specify DEST PORT"
|
|
unless $protonumber == TCP || $protonumber == UDP || $protonumber == SCTP || $protonumber == ICMP;
|
|
|
|
for my $portrange ( split_list $portlist, 'port list' ) {
|
|
if ( $protonumber == ICMP ) {
|
|
fatal_error "ICMP not allowed with IPv6" unless $family == F_IPV4;
|
|
fatal_error "SOURCE PORT(S) are not allowed with ICMP" if $sportlist ne '-';
|
|
|
|
my ( $icmptype , $icmpcode ) = split '/', validate_icmp( $portrange );
|
|
|
|
my $rule1 = " match icmp type $icmptype 0xff";
|
|
$rule1 .= "\\\n match icmp code $icmpcode 0xff" if defined $icmpcode;
|
|
push @$filtersref, ( "\nrun_tc ${rule}\\" ,
|
|
"$rule1\\" ,
|
|
" flowid $devnum:$class" );
|
|
} elsif ( $protonumber == IPv6_ICMP ) {
|
|
fatal_error "IPv6 ICMP not allowed with IPv4" unless $family == F_IPV4;
|
|
fatal_error "SOURCE PORT(S) are not allowed with IPv6 ICMP" if $sportlist ne '-';
|
|
|
|
my ( $icmptype , $icmpcode ) = split '/', validate_icmp6( $portrange );
|
|
|
|
my $rule1 = " match icmp6 type $icmptype 0xff";
|
|
$rule1 .= "\\\n match icmp6 code $icmpcode 0xff" if defined $icmpcode;
|
|
push @$filtersref, ( "\nrun_tc ${rule}\\" ,
|
|
"$rule1\\" ,
|
|
" flowid $devnum:$class" );
|
|
} else {
|
|
my @portlist = expand_port_range $protonumber , $portrange;
|
|
|
|
while ( @portlist ) {
|
|
my ( $port, $mask ) = ( shift @portlist, shift @portlist );
|
|
|
|
my $rule1;
|
|
|
|
if ( $protonumber == TCP ) {
|
|
$rule1 = join( ' ', 'match tcp dst', hex_value( $port ), "0x$mask" );
|
|
} elsif ( $protonumber == UDP ) {
|
|
$rule1 = join( ' ', 'match udp dst', hex_value( $port ), "0x$mask" );
|
|
} else {
|
|
$rule1 = "match u32 0x0000${port} 0x0000${mask} at nexthdr+0";
|
|
}
|
|
|
|
if ( $sportlist eq '-' ) {
|
|
push @$filtersref, ( "\nrun_tc ${rule}\\" ,
|
|
" $rule1\\" ,
|
|
" flowid $devnum:$class" );
|
|
} else {
|
|
for my $sportrange ( split_list $sportlist , 'port list' ) {
|
|
my @sportlist = expand_port_range $protonumber , $sportrange;
|
|
|
|
while ( @sportlist ) {
|
|
my ( $sport, $smask ) = ( shift @sportlist, shift @sportlist );
|
|
|
|
my $rule2;
|
|
|
|
if ( $protonumber == TCP ) {
|
|
$rule2 = join( ' ', 'match tcp src', hex_value( $sport ), "0x$smask" );
|
|
} elsif ( $protonumber == UDP ) {
|
|
$rule2 = join( ' ', 'match udp src', hex_value( $sport ), "0x$smask" );
|
|
} else {
|
|
$rule2 = "match u32 0x${sport}0000 0x${smask}0000 at nexthdr+0" ,
|
|
}
|
|
|
|
push @$filtersref, ( "\nrun_tc ${rule}\\",
|
|
" $rule1\\" ,
|
|
" $rule2\\" ,
|
|
" flowid $devnum:$class" );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
emit '';
|
|
|
|
if ( $family == F_IPV4 ) {
|
|
|
|
progress_message " IPv4 TC Filter \"$currentline\" $done";
|
|
|
|
$currentline =~ s/\s+/ /g;
|
|
} else {
|
|
progress_message " IPv6 TC Filter \"$currentline\" $done";
|
|
|
|
$currentline =~ s/\s+/ /g;
|
|
}
|
|
|
|
emit '';
|
|
|
|
}
|
|
|
|
#
|
|
# Process the tcfilter file storing the compiled filters in the %tcdevices table
|
|
#
|
|
sub process_tcfilters() {
|
|
|
|
my $fn = open_file 'tcfilters';
|
|
|
|
if ( $fn ) {
|
|
my @family = ( $family );
|
|
|
|
first_entry( "$doing $fn..." );
|
|
|
|
while ( read_a_line( NORMAL_READ ) ) {
|
|
if ( $currentline =~ /^\s*IPV4\s*$/ ) {
|
|
Shorewall::IPAddrs::initialize( $family = F_IPV4 ) unless $family == F_IPV4;
|
|
} elsif ( $currentline =~ /^\s*IPV6\s*$/ ) {
|
|
Shorewall::IPAddrs::initialize( $family = F_IPV6 ) unless $family == F_IPV6;
|
|
} elsif ( $currentline =~ /^\s*ALL\s*$/ ) {
|
|
$family = 0;
|
|
} elsif ( $family ) {
|
|
process_tc_filter;
|
|
} else {
|
|
push @family, $family;
|
|
|
|
for ( F_IPV4, F_IPV6 ) {
|
|
Shorewall::IPAddrs::initialize( $family = $_ );
|
|
process_tc_filter;
|
|
}
|
|
|
|
Shorewall::IPAddrs::initialize( $family = pop @family );
|
|
}
|
|
}
|
|
|
|
Shorewall::IPAddrs::initialize( $family = pop @family );
|
|
}
|
|
}
|
|
|
|
#
|
|
# Process a tcpri record
|
|
#
|
|
sub process_tc_priority() {
|
|
my ( $band, $proto, $ports , $address, $interface, $helper ) = split_line1 'tcpri', { band => 0, proto => 1, port => 2, address => 3, interface => 4, helper => 5 };
|
|
|
|
fatal_error 'BAND must be specified' if $band eq '-';
|
|
|
|
if ( $band eq 'COMMENT' ) {
|
|
process_comment;
|
|
return;
|
|
}
|
|
|
|
fatal_error "Invalid tcpri entry" if ( $proto eq '-' &&
|
|
$ports eq '-' &&
|
|
$address eq '-' &&
|
|
$interface eq '-' &&
|
|
$helper eq '-' );
|
|
|
|
|
|
my $val = numeric_value $band;
|
|
|
|
fatal_error "Invalid PRIORITY ($band)" unless $val && $val <= 3;
|
|
|
|
my $rule = do_helper( $helper ) . "-j MARK --set-mark $band";
|
|
|
|
$rule .= join('', '/', in_hex( $globals{TC_MASK} ) ) if have_capability( 'EXMARK' );
|
|
|
|
if ( $interface ne '-' ) {
|
|
fatal_error "Invalid combination of columns" unless $address eq '-' && $proto eq '-' && $ports eq '-';
|
|
|
|
my $forwardref = $mangle_table->{tcfor};
|
|
|
|
add_rule( $forwardref ,
|
|
join( '', match_source_dev( $interface) , $rule ) ,
|
|
1 );
|
|
} else {
|
|
my $postref = $mangle_table->{tcpost};
|
|
|
|
if ( $address ne '-' ) {
|
|
fatal_error "Invalid combination of columns" unless $proto eq '-' && $ports eq '-';
|
|
add_rule( $postref ,
|
|
join( '', match_source_net( $address) , $rule ) ,
|
|
1 );
|
|
} else {
|
|
add_rule( $postref ,
|
|
join( '', do_proto( $proto, $ports, '-' , 0 ) , $rule ) ,
|
|
1 );
|
|
|
|
if ( $ports ne '-' ) {
|
|
my $protocol = resolve_proto $proto;
|
|
|
|
if ( $proto =~ /^ipp2p/ ) {
|
|
fatal_error "ipp2p may not be used when there are tracked providers and PROVIDER_OFFSET=0" if @routemarked_interfaces && $config{PROVIDER_OFFSET} == 0;
|
|
$ipp2p = 1;
|
|
}
|
|
|
|
add_rule( $postref ,
|
|
join( '' , do_proto( $proto, '-', $ports, 0 ) , $rule ) ,
|
|
1 )
|
|
unless $proto =~ /^ipp2p/ || $protocol == ICMP || $protocol == IPv6_ICMP;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# Process tcinterfaces
|
|
#
|
|
sub process_tcinterfaces() {
|
|
|
|
my $fn = open_file 'tcinterfaces';
|
|
|
|
if ( $fn ) {
|
|
first_entry "$doing $fn...";
|
|
process_simple_device while read_a_line( NORMAL_READ );
|
|
}
|
|
}
|
|
|
|
#
|
|
# Process tcpri
|
|
#
|
|
sub process_tcpri() {
|
|
my $fn = find_file 'tcinterfaces';
|
|
my $fn1 = open_file 'tcpri';
|
|
|
|
if ( $fn1 ) {
|
|
first_entry
|
|
sub {
|
|
progress_message2 "$doing $fn1...";
|
|
warning_message "There are entries in $fn1 but $fn was empty" unless @tcdevices || $family == F_IPV6;
|
|
};
|
|
|
|
process_tc_priority while read_a_line( NORMAL_READ );
|
|
|
|
clear_comment;
|
|
|
|
if ( $ipp2p ) {
|
|
insert_irule( $mangle_table->{tcpost} ,
|
|
j => 'CONNMARK --restore-mark --ctmask ' . in_hex( $globals{TC_MASK} ) ,
|
|
0 ,
|
|
mark => '--mark 0/' . in_hex( $globals{TC_MASK} )
|
|
);
|
|
|
|
insert_irule( $mangle_table->{tcpost} ,
|
|
j => 'RETURN',
|
|
1 ,
|
|
mark => '! --mark 0/' . in_hex( $globals{TC_MASK} ) ,
|
|
);
|
|
|
|
add_ijump( $mangle_table->{tcpost} ,
|
|
j => 'CONNMARK --save-mark --ctmask ' . in_hex( $globals{TC_MASK} ),
|
|
mark => '! --mark 0/' . in_hex( $globals{TC_MASK} )
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# Process the compilex traffic shaping files storing the configuration in %tcdevices and %tcclasses
|
|
#
|
|
sub process_traffic_shaping() {
|
|
|
|
our $lastrule = '';
|
|
|
|
my $fn = open_file 'tcdevices';
|
|
|
|
if ( $fn ) {
|
|
first_entry "$doing $fn...";
|
|
|
|
validate_tc_device while read_a_line( NORMAL_READ );
|
|
}
|
|
|
|
$devnum = $devnum > 10 ? 10 : 1;
|
|
|
|
$fn = open_file 'tcclasses';
|
|
|
|
if ( $fn ) {
|
|
first_entry "$doing $fn...";
|
|
|
|
validate_tc_class while read_a_line( NORMAL_READ );
|
|
}
|
|
|
|
process_tcfilters;
|
|
|
|
my $sfq = 0;
|
|
my $sfqinhex;
|
|
|
|
for my $devname ( @tcdevices ) {
|
|
my $devref = $tcdevices{$devname};
|
|
my $defmark = in_hexp ( $devref->{default} || 0 );
|
|
my $devnum = in_hexp $devref->{number};
|
|
my $r2q = int calculate_r2q $devref->{out_bandwidth};
|
|
|
|
fatal_error "No default class defined for device $devname" unless defined $devref->{default};
|
|
|
|
my $device = physical_name $devname;
|
|
|
|
unless ( $config{TC_ENABLED} eq 'Shared' ) {
|
|
|
|
my $dev = chain_base( $device );
|
|
|
|
emit( '',
|
|
'#',
|
|
"# Configure Traffic Shaping for $device",
|
|
'#',
|
|
"setup_${dev}_tc() {" );
|
|
|
|
push_indent;
|
|
|
|
emit "if interface_is_up $device; then";
|
|
|
|
push_indent;
|
|
|
|
emit ( "qt \$TC qdisc del dev $device root",
|
|
"qt \$TC qdisc del dev $device ingress",
|
|
"${dev}_mtu=\$(get_device_mtu $device)",
|
|
"${dev}_mtu1=\$(get_device_mtu1 $device)"
|
|
);
|
|
|
|
my $stab;
|
|
|
|
if ( $devref->{linklayer} ) {
|
|
$stab = "stab linklayer $devref->{linklayer} overhead $devref->{overhead} ";
|
|
$stab .= "mtu $devref->{mtu} " if $devref->{mtu};
|
|
$stab .= "mpu $devref->{mpu} " if $devref->{mpu};
|
|
$stab .= "tsize $devref->{tsize} " if $devref->{tsize};
|
|
} else {
|
|
$stab = '';
|
|
}
|
|
|
|
if ( $devref->{qdisc} eq 'htb' ) {
|
|
emit ( "run_tc qdisc add dev $device ${stab}root handle $devnum: htb default $defmark r2q $r2q" ,
|
|
"run_tc class add dev $device parent $devnum: classid $devnum:1 htb rate $devref->{out_bandwidth} \$${dev}_mtu1" );
|
|
} else {
|
|
emit ( "run_tc qdisc add dev $device ${stab}root handle $devnum: hfsc default $defmark" ,
|
|
"run_tc class add dev $device parent $devnum: classid $devnum:1 hfsc sc rate $devref->{out_bandwidth} ul rate $devref->{out_bandwidth}" );
|
|
}
|
|
|
|
if ( $devref->{occurs} ) {
|
|
#
|
|
# The following command may succeed yet generate an error message and non-zero exit status :-(. We thus run it silently
|
|
# and check the result. Note that since this is the first filter added after the root qdisc was added, the 'ls | grep' test
|
|
# is fairly robust
|
|
#
|
|
my $command = "\$TC filter add dev $device parent $devnum:0 prio 65535 protocol all fw";
|
|
|
|
emit( qq(if ! qt $command ; then) ,
|
|
qq( if ! \$TC filter list dev $device | grep -q 65535; then) ,
|
|
qq( error_message "ERROR: Command '$command' failed"),
|
|
qq( stop_firewall),
|
|
qq( exit 1),
|
|
qq( fi),
|
|
qq(fi) );
|
|
}
|
|
|
|
handle_in_bandwidth( $device, $devref->{in_bandwidth} );
|
|
|
|
for my $rdev ( @{$devref->{redirected}} ) {
|
|
my $phyrdev = get_physical( $rdev );
|
|
emit ( "run_tc qdisc add dev $phyrdev handle ffff: ingress" );
|
|
emit( "run_tc filter add dev $phyrdev parent ffff: protocol all u32 match u32 0 0 action mirred egress redirect dev $device > /dev/null" );
|
|
}
|
|
|
|
for my $class ( @tcclasses ) {
|
|
#
|
|
# The class number in the tcclasses array is expressed in decimal.
|
|
#
|
|
my ( $d, $decimalclassnum ) = split /:/, $class;
|
|
|
|
next unless $d eq $devname;
|
|
#
|
|
# For inclusion in 'tc' commands, we also need the hex representation
|
|
#
|
|
my $classnum = in_hexp $decimalclassnum;
|
|
#
|
|
# The decimal value of the class number is also used as the key for the hash at $tcclasses{$device}
|
|
#
|
|
my $tcref = $tcclasses{$devname}{$decimalclassnum};
|
|
my $mark = $tcref->{mark};
|
|
my $devicenumber = in_hexp $devref->{number};
|
|
my $classid = join( ':', $devicenumber, $classnum);
|
|
my $rawrate = $tcref->{rate};
|
|
my $rate = "${rawrate}kbit";
|
|
my $lsceil = $tcref->{lsceil};
|
|
my $quantum = calculate_quantum $rate, calculate_r2q( $devref->{out_bandwidth} );
|
|
|
|
$classids{$classid}=$device;
|
|
|
|
my $priority = $tcref->{priority} << 8;
|
|
my $parent = in_hexp $tcref->{parent};
|
|
|
|
emit ( "[ \$${dev}_mtu -gt $quantum ] && quantum=\$${dev}_mtu || quantum=$quantum" );
|
|
|
|
if ( $devref->{qdisc} eq 'htb' ) {
|
|
emit ( "run_tc class add dev $device parent $devicenumber:$parent classid $classid htb rate $rate ceil $tcref->{ceiling}kbit prio $tcref->{priority} \$${dev}_mtu1 quantum \$quantum" );
|
|
} else {
|
|
my $dmax = $tcref->{dmax};
|
|
my $rule = "run_tc class add dev $device parent $devicenumber:$parent classid $classid hfsc";
|
|
|
|
if ( $dmax ) {
|
|
my $umax = $tcref->{umax} ? "$tcref->{umax}b" : "\${${dev}_mtu}b";
|
|
$rule .= " sc umax $umax dmax ${dmax}ms";
|
|
$rule .= " rate $rate" if $rawrate;
|
|
} else {
|
|
$rule .= " sc rate $rate" if $rawrate;
|
|
}
|
|
|
|
$rule .= " ls rate ${lsceil}kbit" if $lsceil;
|
|
$rule .= " ul rate $tcref->{ceiling}kbit" if $tcref->{ceiling};
|
|
|
|
emit $rule;
|
|
}
|
|
|
|
if ( $tcref->{leaf} ) {
|
|
if ( $tcref->{red} ) {
|
|
1 while $devnums[++$sfq];
|
|
$sfqinhex = in_hexp( $sfq);
|
|
|
|
my ( $options, $redopts ) = ( '', $tcref->{redopts} );
|
|
|
|
while ( my ( $option, $type ) = each %validredoptions ) {
|
|
if ( my $value = $redopts->{$option} ) {
|
|
if ( $type == RED_NONE ) {
|
|
$options = join( ' ', $options, $option ) if $value;
|
|
} else {
|
|
$options = join( ' ', $options, $option, $value );
|
|
}
|
|
}
|
|
}
|
|
|
|
emit( "run_tc qdisc add dev $device parent $classid handle $sfqinhex: red${options}" );
|
|
|
|
} elsif ( $tcref->{leaf} && ! $tcref->{pfifo} ) {
|
|
1 while $devnums[++$sfq];
|
|
|
|
$sfqinhex = in_hexp( $sfq);
|
|
if ( $devref->{qdisc} eq 'htb' ) {
|
|
emit( "run_tc qdisc add dev $device parent $classid handle $sfqinhex: sfq quantum \$quantum limit $tcref->{limit} perturb 10" );
|
|
} else {
|
|
emit( "run_tc qdisc add dev $device parent $classid handle $sfqinhex: sfq limit $tcref->{limit} perturb 10" );
|
|
}
|
|
}
|
|
}
|
|
#
|
|
# add filters
|
|
#
|
|
unless ( $mark eq '-' ) {
|
|
emit "run_tc filter add dev $device protocol all parent $devicenumber:0 prio " . ( $priority | 20 ) . " handle $mark fw classid $classid" if $tcref->{occurs} == 1;
|
|
}
|
|
|
|
emit "run_tc filter add dev $device protocol all prio 1 parent $sfqinhex: handle $classnum flow hash keys $tcref->{flow} divisor 1024" if $tcref->{flow};
|
|
#
|
|
# options
|
|
#
|
|
emit( "run_tc filter add dev $device parent $devicenumber:0 protocol ip prio " . ( $priority | 10 ) . ' u32' .
|
|
"\\\n match ip protocol 6 0xff" .
|
|
"\\\n match u8 0x05 0x0f at 0" .
|
|
"\\\n match u16 0x0000 0xffc0 at 2" .
|
|
"\\\n match u8 0x10 0xff at 33 flowid $classid" ) if $tcref->{tcp_ack};
|
|
|
|
for my $tospair ( @{$tcref->{tos}} ) {
|
|
my ( $tos, $mask ) = split q(/), $tospair;
|
|
emit "run_tc filter add dev $device parent $devicenumber:0 protocol ip prio " . ( $priority | 10 ) . " u32 match ip tos $tos $mask flowid $classid";
|
|
}
|
|
|
|
save_progress_message_short qq(" TC Class $classid defined.");
|
|
emit '';
|
|
|
|
}
|
|
|
|
emit '';
|
|
|
|
emit "$_" for @{$devref->{filters}};
|
|
|
|
save_progress_message_short qq(" TC Device $device defined.");
|
|
|
|
pop_indent;
|
|
emit 'else';
|
|
push_indent;
|
|
|
|
emit qq(error_message "WARNING: Device $device is not in the UP state -- traffic-shaping configuration skipped");
|
|
pop_indent;
|
|
emit "fi\n";
|
|
|
|
pop_indent;
|
|
emit "}\n";
|
|
} else {
|
|
for my $class ( @tcclasses ) {
|
|
#
|
|
# The class number in the tcclasses array is expressed in decimal.
|
|
#
|
|
my ( $d, $decimalclassnum ) = split /:/, $class;
|
|
|
|
next unless $d eq $devname;
|
|
#
|
|
# For inclusion in 'tc' commands, we also need the hex representation
|
|
#
|
|
my $classnum = in_hexp $decimalclassnum;
|
|
#
|
|
# The decimal value of the class number is also used as the key for the hash at $tcclasses{$device}
|
|
#
|
|
my $devicenumber = in_hexp $devref->{number};
|
|
my $classid = join( ':', $devicenumber, $classnum);
|
|
|
|
$classids{$classid}=$device;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# Validate the TC configuration storing basic information in %tcdevices and %tcdevices
|
|
#
|
|
sub process_tc() {
|
|
if ( $config{TC_ENABLED} eq 'Internal' || $config{TC_ENABLED} eq 'Shared' ) {
|
|
process_traffic_shaping;
|
|
} elsif ( $config{TC_ENABLED} eq 'Simple' ) {
|
|
process_tcinterfaces;
|
|
}
|
|
#
|
|
# The Providers module needs to know which devices are tc-enabled so that
|
|
# it can call the appropriate 'setup_x_tc" function when the device is
|
|
# enabled.
|
|
|
|
my %empty;
|
|
|
|
$config{TC_ENABLED} eq 'Shared' ? \%empty : \%tcdevices;
|
|
}
|
|
|
|
#
|
|
# Call the setup_${dev}_tc functions
|
|
#
|
|
sub setup_traffic_shaping() {
|
|
save_progress_message q("Setting up Traffic Control...");
|
|
|
|
for my $device ( @tcdevices ) {
|
|
my $interfaceref = known_interface( $device );
|
|
my $dev = chain_base( $interfaceref ? $interfaceref->{physical} : $device );
|
|
|
|
emit "setup_${dev}_tc";
|
|
}
|
|
}
|
|
|
|
#
|
|
# Process a record in the secmarks file
|
|
#
|
|
sub process_secmark_rule() {
|
|
my ( $secmark, $chainin, $source, $dest, $proto, $dport, $sport, $user, $mark ) =
|
|
split_line1( 'Secmarks file' , { secmark => 0, chain => 1, source => 2, dest => 3, proto => 4, dport => 5, sport => 6, user => 7, mark => 8 } );
|
|
|
|
fatal_error 'SECMARK must be specified' if $secmark eq '-';
|
|
|
|
if ( $secmark eq 'COMMENT' ) {
|
|
process_comment;
|
|
return;
|
|
}
|
|
|
|
my %chns = ( T => 'tcpost' ,
|
|
P => 'tcpre' ,
|
|
F => 'tcfor' ,
|
|
I => 'tcin' ,
|
|
O => 'tcout' , );
|
|
|
|
my %state = ( N => 'NEW' ,
|
|
I => 'INVALID',
|
|
NI => 'NEW,INVALID',
|
|
E => 'ESTABLISHED' ,
|
|
ER => 'ESTABLISHED,RELATED',
|
|
);
|
|
|
|
my ( $chain , $state, $rest) = split ':', $chainin , 3;
|
|
|
|
fatal_error "Invalid CHAIN:STATE ($chainin)" if $rest || ! $chain;
|
|
|
|
my $chain1= $chns{$chain};
|
|
|
|
fatal_error "Invalid or missing CHAIN ( $chain )" unless $chain1;
|
|
fatal_error "USER/GROUP may only be used in the OUTPUT chain" if $user ne '-' && $chain1 ne 'tcout';
|
|
|
|
if ( ( $state ||= '' ) ne '' ) {
|
|
my $state1;
|
|
fatal_error "Invalid STATE ( $state )" unless $state1 = $state{$state};
|
|
$state = "$globals{STATEMATCH} $state1 ";
|
|
}
|
|
|
|
my $target = $secmark eq 'SAVE' ? 'CONNSECMARK --save' :
|
|
$secmark eq 'RESTORE' ? 'CONNSECMARK --restore' :
|
|
"SECMARK --selctx $secmark";
|
|
|
|
my $disposition = $target;
|
|
|
|
$disposition =~ s/ .*//;
|
|
|
|
expand_rule( ensure_mangle_chain( $chain1 ) ,
|
|
$restrictions{$chain1} ,
|
|
$state .
|
|
do_proto( $proto, $dport, $sport ) .
|
|
do_user( $user ) .
|
|
do_test( $mark, $globals{TC_MASK} ) ,
|
|
$source ,
|
|
$dest ,
|
|
'' ,
|
|
$target ,
|
|
'' ,
|
|
$disposition,
|
|
'' );
|
|
|
|
progress_message "Secmarks rule \"$currentline\" $done";
|
|
|
|
}
|
|
|
|
#
|
|
# Process the tcrules file and setup traffic shaping
|
|
#
|
|
sub setup_tc() {
|
|
|
|
if ( $config{MANGLE_ENABLED} ) {
|
|
ensure_mangle_chain 'tcpre';
|
|
ensure_mangle_chain 'tcout';
|
|
|
|
if ( have_capability( 'MANGLE_FORWARD' ) ) {
|
|
ensure_mangle_chain 'tcfor';
|
|
ensure_mangle_chain 'tcpost';
|
|
ensure_mangle_chain 'tcin';
|
|
}
|
|
|
|
my @mark_part;
|
|
|
|
if ( @routemarked_interfaces && ! $config{TC_EXPERT} ) {
|
|
@mark_part = ( mark => '--mark 0/' . in_hex( $globals{PROVIDER_MASK} ) );
|
|
|
|
unless ( $config{TRACK_PROVIDERS} ) {
|
|
#
|
|
# This is overloading TRACK_PROVIDERS a bit but sending tracked packets through PREROUTING is a PITA for users
|
|
#
|
|
for my $interface ( @routemarked_interfaces ) {
|
|
add_ijump $mangle_table->{PREROUTING} , j => 'tcpre', imatch_source_dev( $interface );
|
|
}
|
|
}
|
|
}
|
|
|
|
add_ijump $mangle_table->{PREROUTING} , j => 'tcpre', @mark_part;
|
|
add_ijump $mangle_table->{OUTPUT} , j => 'tcout', @mark_part;
|
|
|
|
if ( have_capability( 'MANGLE_FORWARD' ) ) {
|
|
my $mask = have_capability 'EXMARK' ? have_capability 'FWMARK_RT_MASK' ? '/' . in_hex $globals{PROVIDER_MASK} : '' : '';
|
|
|
|
add_ijump $mangle_table->{FORWARD}, j => "MARK --set-mark 0${mask}" if $config{FORWARD_CLEAR_MARK};
|
|
add_ijump $mangle_table->{FORWARD} , j => 'tcfor';
|
|
add_ijump $mangle_table->{POSTROUTING} , j => 'tcpost';
|
|
add_ijump $mangle_table->{INPUT} , j => 'tcin';
|
|
}
|
|
}
|
|
|
|
if ( $globals{TC_SCRIPT} ) {
|
|
save_progress_message q('Setting up Traffic Control...');
|
|
append_file $globals{TC_SCRIPT};
|
|
} else {
|
|
process_tcpri if $config{TC_ENABLED} eq 'Simple';
|
|
setup_traffic_shaping unless $config{TC_ENABLED} eq 'Shared';
|
|
}
|
|
|
|
if ( $config{TC_ENABLED} ) {
|
|
our @tccmd = ( { match => sub ( $ ) { $_[0] eq 'SAVE' } ,
|
|
target => 'CONNMARK --save-mark --mask' ,
|
|
mark => $config{TC_EXPERT} ? HIGHMARK : SMALLMARK,
|
|
mask => in_hex( $globals{TC_MASK} ) ,
|
|
connmark => 1
|
|
} ,
|
|
{ match => sub ( $ ) { $_[0] eq 'RESTORE' },
|
|
target => 'CONNMARK --restore-mark --mask' ,
|
|
mark => $config{TC_EXPERT} ? HIGHMARK : SMALLMARK ,
|
|
mask => in_hex( $globals{TC_MASK} ) ,
|
|
connmark => 1
|
|
} ,
|
|
{ match => sub ( $ ) { $_[0] eq 'CONTINUE' },
|
|
target => 'RETURN' ,
|
|
mark => NOMARK ,
|
|
mask => '' ,
|
|
connmark => 0
|
|
} ,
|
|
{ match => sub ( $ ) { $_[0] eq 'SAME' },
|
|
target => 'sticky' ,
|
|
mark => NOMARK ,
|
|
mask => '' ,
|
|
connmark => 0
|
|
} ,
|
|
{ match => sub ( $ ) { $_[0] =~ /^IPMARK/ },
|
|
target => 'IPMARK' ,
|
|
mark => NOMARK,
|
|
mask => '',
|
|
connmark => 0
|
|
} ,
|
|
{ match => sub ( $ ) { $_[0] =~ '\|.*'} ,
|
|
target => 'MARK --or-mark' ,
|
|
mark => HIGHMARK ,
|
|
mask => '' } ,
|
|
{ match => sub ( $ ) { $_[0] =~ '&.*' },
|
|
target => 'MARK --and-mark' ,
|
|
mark => HIGHMARK ,
|
|
mask => '' ,
|
|
connmark => 0
|
|
} ,
|
|
{ match => sub ( $ ) { $_[0] =~ /^TPROXY/ },
|
|
target => 'TPROXY',
|
|
mark => HIGHMARK,
|
|
mask => '',
|
|
connmark => '' },
|
|
{ match => sub( $ ) { $_[0] =~ /^DIVERT/ },
|
|
target => 'DIVERT',
|
|
mark => HIGHMARK,
|
|
mask => '',
|
|
connmark => '' },
|
|
{ match => sub( $ ) { $_[0] =~ /^TTL/ },
|
|
target => 'TTL',
|
|
mark => NOMARK,
|
|
mask => '',
|
|
connmark => 0
|
|
},
|
|
{ match => sub( $ ) { $_[0] =~ /^HL/ },
|
|
target => 'HL',
|
|
mark => NOMARK,
|
|
mask => '',
|
|
connmark => 0
|
|
},
|
|
{ match => sub( $ ) { $_[0] =~ /^IMQ\(\d+\)$/ },
|
|
target => 'IMQ',
|
|
mark => NOMARK,
|
|
mask => '',
|
|
connmark => 0
|
|
},
|
|
{ match => sub( $ ) { $_[0] =~ /^DSCP\(\w+\)$/ },
|
|
target => 'DSCP',
|
|
mark => NOMARK,
|
|
mask => '',
|
|
connmark => 0
|
|
},
|
|
{ match => sub( $ ) { $_[0] =~ /^TOS\(.+\)$/ },
|
|
target => 'TOS',
|
|
mark => NOMARK,
|
|
mask => '',
|
|
connmark => 0
|
|
},
|
|
);
|
|
|
|
if ( my $fn = open_file 'tcrules' ) {
|
|
|
|
our $format = 1;
|
|
|
|
first_entry "$doing $fn...";
|
|
|
|
process_tc_rule while read_a_line( NORMAL_READ );
|
|
|
|
clear_comment;
|
|
|
|
}
|
|
}
|
|
|
|
if ( $config{MANGLE_ENABLED} ) {
|
|
if ( my $fn = open_file 'secmarks' ) {
|
|
|
|
first_entry "$doing $fn...";
|
|
|
|
process_secmark_rule while read_a_line( NORMAL_READ );
|
|
|
|
clear_comment;
|
|
}
|
|
|
|
handle_stickiness( $sticky );
|
|
}
|
|
}
|
|
|
|
1;
|