forked from extern/shorewall_code
Bring trunk up to date with 4.0
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@7228 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
e110c3de6e
commit
5f6596a728
@ -198,29 +198,16 @@ sub setup_accounting() {
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if ( $filter_table->{accounting} ) {
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for my $chain ( qw/INPUT FORWARD/ ) {
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insert_rule $filter_table->{$chain}, 1, '-j accounting';
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insert_rule $filter_table->{$chain}, 2, '-m state --state ESTABLISHED,RELATED -j ACCEPT' if $config{FASTACCEPT};
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}
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} elsif ( $config{FASTACCEPT} ) {
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for my $chain ( qw/INPUT FORWARD/ ) {
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insert_rule $filter_table->{$chain}, 1, '-m state --state ESTABLISHED,RELATED -j ACCEPT';
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}
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}
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if ( $filter_table->{accountout} ) {
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insert_rule $filter_table->{OUTPUT}, 1, '-j accountout';
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insert_rule $filter_table->{OUTPUT}, 2, '-m state --state ESTABLISHED,RELATED -j ACCEPT' if $config{FASTACCEPT};
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} elsif ( $config{FASTACCEPT} ) {
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insert_rule $filter_table->{OUTPUT}, 1, '-m state --state ESTABLISHED,RELATED -j ACCEPT';
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}
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} else {
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if ( $filter_table->{accounting} ) {
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for my $chain ( qw/INPUT FORWARD OUTPUT/ ) {
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insert_rule $filter_table->{$chain}, 1, '-j accounting';
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insert_rule $filter_table->{$chain}, 2, '-m state --state ESTABLISHED,RELATED -j ACCEPT' if $config{FASTACCEPT};
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}
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} elsif ( $config{FASTACCEPT} ) {
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for my $chain ( qw/INPUT FORWARD OUTPUT/ ) {
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insert_rule $filter_table->{$chain}, 1, '-m state --state ESTABLISHED,RELATED -j ACCEPT';
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}
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}
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}
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@ -54,7 +54,7 @@ our @EXPORT = qw( merge_levels
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%macros
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);
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our @EXPORT_OK = qw( initialize );
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our $VERSION = 4.01;
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our $VERSION = 4.03;
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#
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# Used Actions. Each action that is actually used has an entry with value 1.
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@ -389,12 +389,14 @@ sub process_macro1 ( $$ ) {
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$mtarget =~ s/:.*$//;
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$mtarget = (split '/' , $mtarget)[0];
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my $targettype = $targets{$mtarget};
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$targettype = 0 unless defined $targettype;
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fatal_error "Invalid target ($mtarget)"
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unless ( $targettype == STANDARD ) || ( $mtarget eq 'PARAM' ) || ( $mtarget eq 'LOG' );
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unless ( $targettype == STANDARD ) || ( $mtarget eq 'PARAM' ) || ( $targettype & ( LOGRULE | NFQ ) );
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}
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progress_message " ..End Macro $macrofile";
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@ -412,7 +414,7 @@ sub process_action1 ( $$ ) {
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my $targettype = $targets{$target};
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if ( defined $targettype ) {
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return if ( $targettype == STANDARD ) || ( $targettype == MACRO ) || ( $targettype & LOGRULE );
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return if ( $targettype == STANDARD ) || ( $targettype == MACRO ) || ( $targettype & ( LOGRULE | NFQ ) );
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fatal_error "Invalid TARGET ($target)" if $targettype & STANDARD;
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@ -424,6 +426,8 @@ sub process_action1 ( $$ ) {
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} else {
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( $target, my $param ) = split '/', $target;
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return if $target eq 'NFQUEUE';
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if ( defined $param ) {
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my $paramtype = $targets{$param} || 0;
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@ -462,8 +466,8 @@ sub process_actions1() {
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next unless $action;
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if ( $targets{$action} ) {
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next if $targets{$action} & ACTION;
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fatal_error "Invalid Action Name ($action)";
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warning_message "Duplicate Action Name ($action) Ignored" unless $targets{$action} & ACTION;
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next;
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}
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$targets{$action} = ACTION;
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@ -632,7 +636,7 @@ sub process_action3( $$$$$ ) {
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if ( $action2type & ACTION ) {
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$target2 = (find_logactionchain ( $target = $target2 ))->{name};
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} else {
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die "Internal Error" unless $action2type == MACRO || $action2type & LOGRULE;
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fatal_error "Internal Error" unless $action2type == MACRO || $action2type & ( LOGRULE | NFQ );
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}
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}
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@ -666,10 +670,10 @@ sub process_actions3 () {
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add_rule $chainref, '-m addrtype --dst-type BROADCAST -j DROP';
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} else {
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add_command $chainref, 'for address in $ALL_BCASTS; do';
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push_cmd_mode $chainref;
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incr_cmd_level $chainref;
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log_rule_limit $level, $chainref, 'dropBcast' , 'DROP', '', $tag, 'add', ' -d $address ' if $level ne '';
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add_rule $chainref, '-d $address -j DROP';
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pop_cmd_mode $chainref;
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decr_cmd_level $chainref;
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add_command $chainref, 'done';
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log_rule_limit $level, $chainref, 'dropBcast' , 'DROP', '', $tag, 'add', ' -d 224.0.0.0/4 ' if $level ne '';
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@ -690,10 +694,10 @@ sub process_actions3 () {
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add_rule $chainref, '-m addrtype --dst-type BROADCAST -j ACCEPT';
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} else {
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add_command $chainref, 'for address in $ALL_BCASTS; do';
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push_cmd_mode $chainref;
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incr_cmd_level $chainref;
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log_rule_limit $level, $chainref, 'allowBcast' , 'ACCEPT', '', $tag, 'add', ' -d $address ' if $level ne '';
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add_rule $chainref, '-d $address -j ACCEPT';
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pop_cmd_mode $chainref;
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decr_cmd_level $chainref;
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add_command $chainref, 'done';
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log_rule_limit $level, $chainref, 'allowBcast' , 'ACCEPT', '', $tag, 'add', ' -d 224.0.0.0/4 ' if $level ne '';
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@ -44,6 +44,7 @@ our @EXPORT = qw( STANDARD
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ACTION
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MACRO
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LOGRULE
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NFQ
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NO_RESTRICT
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PREROUTE_RESTRICT
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INPUT_RESTRICT
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@ -52,14 +53,15 @@ our @EXPORT = qw( STANDARD
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ALL_RESTRICT
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process_comment
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push_cmd_mode
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pop_cmd_mode
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incr_cmd_level
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decr_cmd_level
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add_command
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add_commands
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mark_referenced
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add_file
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add_rule
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insert_rule
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insert_rule_nice
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chain_base
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forward_chain
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input_chain
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@ -89,7 +91,6 @@ our @EXPORT = qw( STANDARD
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clearrule
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do_proto
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mac_match
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numeric_value
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verify_mark
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verify_small_mark
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validate_mark
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@ -128,7 +129,7 @@ our @EXPORT = qw( STANDARD
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%targets
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);
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our @EXPORT_OK = qw( initialize );
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our $VERSION = 4.02;
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our $VERSION = 4.03;
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#
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# Chain Table
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@ -138,16 +139,17 @@ our $VERSION = 4.02;
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# %chain_table { <table> => { <chain1> => { name => <chain name>
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# table => <table name>
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# is_policy => 0|1
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# is_optionsl => 0|1
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# is_optional => 0|1
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# referenced => 0|1
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# log => <logging rule number for use when LOGRULENUMBERS>
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# policy => <policy>
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# policychain => <name of policy chain> -- self-reference if this is a policy chain
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# policypair => [ <policy source>, <policy dest> ] -- Used for reporting duplicated policies
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# loglevel => <level>
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# synparams => <burst/limit>
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# synchain => <name of synparam chain>
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# default => <default action>
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# policy_chain => <ref to policy chain -- self-reference if this is a policy chain>
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# cmdmode => <number of open loops or blocks in runtime commands>
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# cmdlevel => <number of open loops or blocks in runtime commands>
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# rules => [ <rule1>
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# <rule2>
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# ...
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@ -188,6 +190,7 @@ use constant { STANDARD => 1, #defined by Netfilter
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ACTION => 64, #An action (may be built-in)
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MACRO => 128, #A Macro
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LOGRULE => 256, #'LOG'
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NFQ => 512, #'NFQUEUE'
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};
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our %targets;
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@ -276,6 +279,8 @@ sub initialize() {
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'CONTINUE!' => STANDARD,
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'QUEUE' => STANDARD,
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'QUEUE!' => STANDARD,
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'NFQUEUE' => STANDARD + NFQ,
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'NFQUEUE!' => STANDARD + NFQ,
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'SAME' => NATRULE,
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'SAME-' => NATRULE + NATONLY,
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'dropBcast' => BUILTIN + ACTION,
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@ -331,21 +336,21 @@ sub process_comment() {
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}
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}
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#
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# Functions to manipulate cmdmode
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# Functions to manipulate cmdlevel
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#
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sub push_cmd_mode( $ ) {
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$_[0]->{cmdmode}++;
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sub incr_cmd_level( $ ) {
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$_[0]->{cmdlevel}++;
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}
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sub pop_cmd_mode( $ ) {
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fatal_error "Internal error in pop_cmd_mode()" if --$_[0]->{cmdmode} < 0;
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sub decr_cmd_level( $ ) {
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fatal_error "Internal error in decr_cmd_level()" if --$_[0]->{cmdlevel} < 0;
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}
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sub add_command($$)
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{
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my ($chainref, $command) = @_;
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push @{$chainref->{rules}}, join ('', ' ' x $chainref->{cmdmode} , $command );
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push @{$chainref->{rules}}, join ('', ' ' x $chainref->{cmdlevel} , $command );
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$chainref->{referenced} = 1;
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}
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@ -354,7 +359,7 @@ sub add_commands {
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my $chainref = shift @_;
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for my $command ( @_ ) {
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push @{$chainref->{rules}}, join ('', ' ' x $chainref->{cmdmode} , $command );
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push @{$chainref->{rules}}, join ('', ' ' x $chainref->{cmdlevel} , $command );
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}
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$chainref->{referenced} = 1;
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@ -403,7 +408,7 @@ sub add_rule($$)
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$rule .= qq( -m comment --comment "$comment") if $comment;
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if ( $chainref->{cmdmode} ) {
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if ( $chainref->{cmdlevel} ) {
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$rule =~ s/"/\\"/g; #Must preserve quotes in the rule
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add_command $chainref , qq(echo "-A $chainref->{name} $rule" >&3);
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} else {
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@ -421,7 +426,7 @@ sub insert_rule($$$)
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{
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my ($chainref, $number, $rule) = @_;
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fatal_error 'Internal Error in insert_rule()' if $chainref->{cmdmode};
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fatal_error 'Internal Error in insert_rule()' if $chainref->{cmdlevel};
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$rule .= "-m comment --comment \"$comment\"" if $comment;
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@ -445,12 +450,16 @@ sub chain_base($) {
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$chain;
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}
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sub chain_base_cond($) {
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$config{DYNAMIC_ZONES} ? chain_base($_[0]) : $_[0];
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}
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#
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# Forward Chain for an interface
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#
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sub forward_chain($)
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{
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$_[0] . '_fwd';
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chain_base_cond($_[0]) . '_fwd';
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}
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#
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@ -458,7 +467,7 @@ sub forward_chain($)
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#
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sub input_chain($)
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{
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$_[0] . '_in';
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chain_base_cond($_[0]) . '_in';
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}
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#
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@ -466,7 +475,7 @@ sub input_chain($)
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#
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sub output_chain($)
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{
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$_[0] . '_out';
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chain_base_cond($_[0]) . '_out';
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}
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#
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@ -474,7 +483,7 @@ sub output_chain($)
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#
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sub masq_chain($)
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{
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$_[0] . '_masq';
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chain_base_cond($_[0]) . '_masq';
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}
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#
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@ -489,12 +498,12 @@ sub syn_flood_chain ( $ ) {
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#
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sub mac_chain( $ )
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{
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$_[0] . '_mac';
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chain_base_cond($_[0]) . '_mac';
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}
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sub macrecent_target($)
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{
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$config{MACLIST_TTL} ? $_[0] . '_rec' : 'RETURN';
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$config{MACLIST_TTL} ? chain_base_cond($_[0]) . '_rec' : 'RETURN';
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}
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#
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@ -502,22 +511,22 @@ sub macrecent_target($)
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#
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sub dynamic_fwd( $ )
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{
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$_[0] . '_dynf';
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chain_base_cond($_[0]) . '_dynf';
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}
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sub dynamic_in( $ )
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{
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$_[0] . '_dyni';
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chain_base_cond($_[0]) . '_dyni';
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}
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sub dynamic_out( $ ) # $1 = interface
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{
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$_[0] . '_dyno';
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chain_base_cond($_[0]) . '_dyno';
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}
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sub dynamic_chains( $ ) #$1 = interface
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{
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my $c = $_[0];
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my $c = chain_base_cond($_[0]);
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[ $c . '_dyni' , $c . '_dynf' , $c . '_dyno' ];
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}
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@ -527,7 +536,7 @@ sub dynamic_chains( $ ) #$1 = interface
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#
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sub dnat_chain( $ )
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{
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$_[0] . '_dnat';
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chain_base_cond($_[0]) . '_dnat';
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}
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#
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@ -535,7 +544,7 @@ sub dnat_chain( $ )
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#
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sub snat_chain( $ )
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{
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$_[0] . '_snat';
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chain_base_cond($_[0]) . '_snat';
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}
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#
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@ -543,7 +552,7 @@ sub snat_chain( $ )
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#
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sub ecn_chain( $ )
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{
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$_[0] . '_ecn';
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chain_base_cond($_[0]) . '_ecn';
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}
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#
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@ -551,7 +560,7 @@ sub ecn_chain( $ )
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#
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sub first_chains( $ ) #$1 = interface
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{
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my $c = $_[0];
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my $c = chain_base_cond($_[0]);
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[ $c . '_fwd', $c . '_in' ];
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}
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@ -563,12 +572,14 @@ sub new_chain($$)
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{
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my ($table, $chain) = @_;
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warning_message "Internal error in new_chain()" if $chain_table{$table}{$chain};
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$chain_table{$table}{$chain} = { name => $chain,
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rules => [],
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table => $table,
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loglevel => '',
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log => 1,
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cmdmode => 0 };
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cmdlevel => 0 };
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}
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#
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@ -668,7 +679,7 @@ sub initialize_chain_table()
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new_builtin_chain 'nat', $chain, 'ACCEPT';
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}
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for my $chain qw(PREROUTING INPUT FORWARD OUTPUT POSTROUTING) {
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for my $chain qw(PREROUTING INPUT OUTPUT ) {
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new_builtin_chain 'mangle', $chain, 'ACCEPT';
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}
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@ -693,7 +704,7 @@ sub finish_chain_section ($$) {
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if ( $chainref->{synparams} ) {
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my $synchainref = ensure_chain 'filter', syn_flood_chain $chainref;
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if ( $section eq 'DONE' ) {
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if ( $chainref->{policy} =~ /^(ACCEPT|CONTINUE|QUEUE)$/ ) {
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if ( $chainref->{policy} =~ /^(ACCEPT|CONTINUE|QUEUE|NFQUEUE)/ ) {
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add_rule $chainref, "-p tcp --syn -j $synchainref->{name}";
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}
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} else {
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@ -762,7 +773,7 @@ sub set_mss( $$$ ) {
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}
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#
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# Interate over non-firewall zones adding TCPMSS rules as appropriate
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# Interate over non-firewall zones and interfaces with 'mss=' setting adding TCPMSS rules as appropriate.
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#
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sub setup_zone_mss() {
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for my $zone ( @zones ) {
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@ -984,15 +995,6 @@ sub mac_match( $ ) {
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"--match mac --mac-source ${invert}$mac ";
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}
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#
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# Convert value to decimal number
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#
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sub numeric_value ( $ ) {
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my $mark = $_[0];
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fatal_error "Invalid Numeric Value ($mark)" unless "\L$mark" =~ /^(0x[a-f0-9]+|0[0-7]*|[1-9]\d*)$/;
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$mark =~ /^0x/ ? hex $mark : $mark =~ /^0/ ? oct $mark : $mark;
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}
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#
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# Mark validatation functions
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#
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@ -1224,8 +1226,10 @@ sub match_orig_dest ( $ ) {
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if ( $net =~ /^!/ ) {
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$net =~ s/!//;
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validate_net $net;
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"-m conntrack --ctorigdst ! $net ";
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} else {
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validate_net $net;
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$net eq ALLIPv4 ? '' : "-m conntrack --ctorigdst $net ";
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}
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}
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@ -1301,7 +1305,7 @@ sub log_rule_limit( $$$$$$$$ ) {
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}
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if ( length $prefix > 29 ) {
|
||||
$prefix = substr $prefix, 0, 29;
|
||||
$prefix = substr( $prefix, 0, 28 ) . ' ';
|
||||
warning_message "Log Prefix shortened to \"$prefix\"";
|
||||
}
|
||||
|
||||
@ -1473,7 +1477,7 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
|
||||
my ($iiface, $diface, $inets, $dnets, $iexcl, $dexcl, $onets , $oexcl );
|
||||
my $chain = $chainref->{name};
|
||||
my $initialcmdmode = $chainref->{cmdmode};
|
||||
my $initialcmdlevel = $chainref->{cmdlevel};
|
||||
|
||||
#
|
||||
# Handle Log Level
|
||||
@ -1531,7 +1535,7 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
|
||||
$rule .= '-s $source ';
|
||||
|
||||
push_cmd_mode $chainref;
|
||||
incr_cmd_level $chainref;
|
||||
} else {
|
||||
fatal_error "Source Interface ($iiface) not allowed when the source zone is $firewall_zone" if $restriction & OUTPUT_RESTRICT;
|
||||
$rule .= match_source_dev( $iiface );
|
||||
@ -1560,7 +1564,7 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
add_command( $chainref , "for address in $list; do" );
|
||||
|
||||
$rule .= '-d $address ';
|
||||
push_cmd_mode $chainref;
|
||||
incr_cmd_level $chainref;
|
||||
} else {
|
||||
$rule .= join ( '', '-d ', get_interface_address( $interfaces[0] ), ' ' );
|
||||
}
|
||||
@ -1591,7 +1595,7 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
fatal_error "Bridge port ($diface) not allowed" if port_to_bridge( $diface );
|
||||
add_command( $chainref , 'for dest in ' . get_interface_addresses( $diface) . '; do' );
|
||||
$rule .= '-d $dest ';
|
||||
push_cmd_mode $chainref;
|
||||
incr_cmd_level $chainref;
|
||||
} else {
|
||||
fatal_error "Bridge Port ($diface) not allowed in OUTPUT or POSTROUTING rules" if ( $restriction & ( POSTROUTE_RESTRICT + OUTPUT_RESTRICT ) ) && port_to_bridge( $diface );
|
||||
fatal_error "Destination Interface ($diface) not allowed when the destination zone is $firewall_zone" if $restriction & INPUT_RESTRICT;
|
||||
@ -1625,7 +1629,7 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
|
||||
add_command( $chainref , "for address in $list; do" );
|
||||
$rule .= '-m conntrack --ctorigdst $address ';
|
||||
push_cmd_mode $chainref;
|
||||
incr_cmd_level $chainref;
|
||||
} else {
|
||||
get_interface_address $interfaces[0];
|
||||
$rule .= join( '', '-m conntrack --ctorigdst $', interface_address ( $interfaces[0] ), ' ' );
|
||||
@ -1649,7 +1653,7 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
unless ( $onets ) {
|
||||
my @oexcl = mysplit $oexcl;
|
||||
if ( @oexcl == 1 ) {
|
||||
$rule .= "-m conntrack --ctorigdst ! $oexcl ";
|
||||
$rule .= match_orig_dest( "!$oexcl" );
|
||||
$oexcl = '';
|
||||
}
|
||||
}
|
||||
@ -1727,19 +1731,13 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
for my $inet ( mysplit $inets ) {
|
||||
for my $dnet ( mysplit $dnets ) {
|
||||
#
|
||||
# We defer evaluating the source net match to accomodate system without $capabilities{KLUDGEFREE}
|
||||
# We evaluate the source net match in the inner loop to accomodate systems without $capabilities{KLUDGEFREE}
|
||||
#
|
||||
add_rule $chainref, join( '', $rule, match_source_net( $inet), match_dest_net( $dnet ), $onet, "-j $echain" );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#
|
||||
# The final rule in the exclusion chain will not qualify the source or destination
|
||||
#
|
||||
$inets = ALLIPv4;
|
||||
$dnets = ALLIPv4;
|
||||
|
||||
#
|
||||
# Create the Exclusion Chain
|
||||
#
|
||||
@ -1748,17 +1746,9 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
#
|
||||
# Generate RETURNs for each exclusion
|
||||
#
|
||||
for my $net ( mysplit $iexcl ) {
|
||||
add_rule $echainref, ( match_source_net $net ) . '-j RETURN';
|
||||
}
|
||||
|
||||
for my $net ( mysplit $dexcl ) {
|
||||
add_rule $echainref, ( match_dest_net $net ) . '-j RETURN';
|
||||
}
|
||||
|
||||
for my $net ( mysplit $oexcl ) {
|
||||
add_rule $echainref, ( match_orig_dest $net ) . '-j RETURN';
|
||||
}
|
||||
add_rule $echainref, ( match_source_net $_ ) . '-j RETURN' for ( mysplit $iexcl );
|
||||
add_rule $echainref, ( match_dest_net $_ ) . '-j RETURN' for ( mysplit $dexcl );
|
||||
add_rule $echainref, ( match_orig_dest $_ ) . '-j RETURN' for ( mysplit $oexcl );
|
||||
#
|
||||
# Log rule
|
||||
#
|
||||
@ -1800,8 +1790,8 @@ sub expand_rule( $$$$$$$$$$ )
|
||||
}
|
||||
}
|
||||
|
||||
while ( $chainref->{cmdmode} > $initialcmdmode ) {
|
||||
pop_cmd_mode $chainref;
|
||||
while ( $chainref->{cmdlevel} > $initialcmdlevel ) {
|
||||
decr_cmd_level $chainref;
|
||||
add_command $chainref, 'done';
|
||||
}
|
||||
|
||||
@ -1974,7 +1964,7 @@ sub create_netfilter_load() {
|
||||
for my $chain ( @builtins ) {
|
||||
my $chainref = $chain_table{$table}{$chain};
|
||||
if ( $chainref ) {
|
||||
fatal_error "Internal error in create_netfilter_load()" if $chainref->{cmdmode};
|
||||
fatal_error "Internal error in create_netfilter_load()" if $chainref->{cmdlevel};
|
||||
emit_unindented ":$chain $chainref->{policy} [0:0]";
|
||||
push @chains, $chainref;
|
||||
}
|
||||
@ -1985,7 +1975,7 @@ sub create_netfilter_load() {
|
||||
for my $chain ( grep $chain_table{$table}{$_}->{referenced} , ( sort keys %{$chain_table{$table}} ) ) {
|
||||
my $chainref = $chain_table{$table}{$chain};
|
||||
unless ( $chainref->{builtin} ) {
|
||||
fatal_error "Internal error in create_netfilter_load()" if $chainref->{cmdmode};
|
||||
fatal_error "Internal error in create_netfilter_load()" if $chainref->{cmdlevel};
|
||||
emit_unindented ":$chainref->{name} - [0:0]";
|
||||
push @chains, $chainref;
|
||||
}
|
||||
|
||||
@ -41,7 +41,7 @@ use Shorewall::Proxyarp;
|
||||
our @ISA = qw(Exporter);
|
||||
our @EXPORT = qw( compiler EXPORT TIMESTAMP DEBUG );
|
||||
our @EXPORT_OK = qw( $export );
|
||||
our $VERSION = 4.02;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
our $export;
|
||||
|
||||
@ -85,7 +85,7 @@ sub generate_script_1() {
|
||||
|
||||
copy $globals{SHAREDIRPL} . 'prog.header';
|
||||
|
||||
for my $exit qw/init start tcclear started stop stopped clear refresh refreshed/ {
|
||||
for my $exit qw/init isusable start tcclear started stop stopped clear refresh refreshed/ {
|
||||
emit "\nrun_${exit}_exit() {";
|
||||
push_indent;
|
||||
append_file $exit or emit 'true';
|
||||
@ -581,8 +581,6 @@ sub generate_script_2 () {
|
||||
|
||||
push_indent;
|
||||
|
||||
setup_mss( $config{CLAMPMSS} ) if $config{CLAMPMSS};
|
||||
|
||||
}
|
||||
|
||||
#
|
||||
@ -775,6 +773,10 @@ sub compiler( $$$$ ) {
|
||||
#
|
||||
generate_script_2 unless $command eq 'check';
|
||||
#
|
||||
# Set up MSS rules
|
||||
#
|
||||
setup_mss;
|
||||
#
|
||||
# Do all of the zone-independent stuff
|
||||
#
|
||||
add_common_rules;
|
||||
|
||||
@ -93,7 +93,7 @@ our @EXPORT = qw(
|
||||
%capabilities );
|
||||
|
||||
our @EXPORT_OK = qw( $shorewall_dir initialize read_a_line1 set_config_path );
|
||||
our $VERSION = 4.02;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
#
|
||||
# describe the current command, it's present progressive, and it's completion.
|
||||
@ -198,8 +198,8 @@ sub initialize() {
|
||||
ORIGINAL_POLICY_MATCH => '',
|
||||
LOGPARMS => '',
|
||||
TC_SCRIPT => '',
|
||||
VERSION => '4.0.2',
|
||||
CAPVERSION => 30405 ,
|
||||
VERSION => '4.0.3',
|
||||
CAPVERSION => 40003 ,
|
||||
);
|
||||
#
|
||||
# From shorewall.conf file
|
||||
@ -247,6 +247,7 @@ sub initialize() {
|
||||
REJECT_DEFAULT => undef,
|
||||
ACCEPT_DEFAULT => undef,
|
||||
QUEUE_DEFAULT => undef,
|
||||
NFQUEUE_DEFAULT => undef,
|
||||
#
|
||||
# RSH/RCP Commands
|
||||
#
|
||||
@ -328,6 +329,9 @@ sub initialize() {
|
||||
MANGLE_FORWARD => undef,
|
||||
COMMENTS => undef,
|
||||
ADDRTYPE => undef,
|
||||
TCPMSS_MATCH => undef,
|
||||
HASHLIMIT_MATCH => undef,
|
||||
NFQUEUE_TARGET => undef,
|
||||
CAPVERSION => undef,
|
||||
);
|
||||
#
|
||||
@ -360,7 +364,9 @@ sub initialize() {
|
||||
MANGLE_FORWARD => 'Mangle FORWARD Chain',
|
||||
COMMENTS => 'Comments',
|
||||
ADDRTYPE => 'Address Type Match',
|
||||
TCPMSS_MATCH => 'TCP MSS',
|
||||
TCPMSS_MATCH => 'TCPMSS Match',
|
||||
HASHLIMIT_MATCH => 'Hashlimit Match',
|
||||
NFQUEUE_TARGET => 'NFQUEUE Target',
|
||||
CAPVERSION => 'Capability Version',
|
||||
);
|
||||
#
|
||||
@ -1183,6 +1189,8 @@ sub determine_capabilities() {
|
||||
$capabilities{USEPKTTYPE} = qt( "$iptables -A $sillyname -m pkttype --pkt-type broadcast -j ACCEPT" );
|
||||
$capabilities{ADDRTYPE} = qt( "$iptables -A $sillyname -m addrtype --src-type BROADCAST -j ACCEPT" );
|
||||
$capabilities{TCPMSS_MATCH} = qt( "$iptables -A $sillyname -p tcp --tcp-flags SYN,RST SYN -m tcpmss --mss 1000:1500 -j ACCEPT" );
|
||||
$capabilities{HASHLIMIT_MATCH} = qt( "$iptables -A $sillyname -m hashlimit --hashlimit 4 --hashlimit-burst 5 --hashlimit-name fooX1234 --hashlimit-mode dstip -j ACCEPT" );
|
||||
$capabilities{NFQUEUE_TARGET} = qt( "$iptables -A $sillyname -j NFQUEUE --queue-num 4" );
|
||||
|
||||
qt( "$iptables -F $sillyname" );
|
||||
qt( "$iptables -X $sillyname" );
|
||||
@ -1418,7 +1426,7 @@ sub get_configuration( $ ) {
|
||||
|
||||
default_yes_no 'EXPORTPARAMS' , '';
|
||||
default_yes_no 'EXPAND_POLICIES' , '';
|
||||
default_yes_no 'ACCOUNTING_EXPERT' , '';
|
||||
default_yes_no 'KEEP_RT_TABLES' , '';
|
||||
default_yes_no 'MARK_IN_FORWARD_CHAIN' , '';
|
||||
|
||||
$capabilities{XCONNMARK} = '' unless $capabilities{XCONNMARK_MATCH} and $capabilities{XMARK};
|
||||
@ -1480,16 +1488,17 @@ sub get_configuration( $ ) {
|
||||
}
|
||||
|
||||
default 'RESTOREFILE' , 'restore';
|
||||
default 'IPSECFILE' , 'zones';
|
||||
default 'DROP_DEFAULT' , 'Drop';
|
||||
default 'REJECT_DEFAULT' , 'Reject';
|
||||
default 'QUEUE_DEFAULT' , 'none';
|
||||
default 'NFQUEUE_DEFAULT' , 'none';
|
||||
default 'ACCEPT_DEFAULT' , 'none';
|
||||
default 'OPTIMIZE' , 0;
|
||||
default 'IPSECFILE' , 'zones';
|
||||
|
||||
fatal_error 'IPSECFILE=ipsec is not supported by Shorewall-perl ' . $globals{VERSION} unless $config{IPSECFILE} eq 'zones';
|
||||
|
||||
for my $default qw/DROP_DEFAULT REJECT_DEFAULT QUEUE_DEFAULT ACCEPT_DEFAULT/ {
|
||||
for my $default qw/DROP_DEFAULT REJECT_DEFAULT QUEUE_DEFAULT NFQUEUE_DEFAULT ACCEPT_DEFAULT/ {
|
||||
$config{$default} = 'none' if "\L$config{$default}" eq 'none';
|
||||
}
|
||||
|
||||
|
||||
@ -41,7 +41,7 @@ our @EXPORT = qw( ALLIPv4
|
||||
@rfc1918_networks
|
||||
);
|
||||
our @EXPORT_OK = qw( );
|
||||
our $VERSION = 4.00;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
#
|
||||
# Some IPv4 useful stuff
|
||||
@ -75,6 +75,8 @@ sub validate_address( $ ) {
|
||||
sub validate_net( $ ) {
|
||||
my ($net, $vlsm, $rest) = split( '/', $_[0], 3 );
|
||||
|
||||
fatal_error "An ipset name ($net) is not allowed in this context" if substr( $net, 0, 1 ) eq '+';
|
||||
|
||||
if ( defined $vlsm ) {
|
||||
fatal_error "Invalid VLSM ($vlsm)" unless $vlsm =~ /^\d+$/ && $vlsm <= 32;
|
||||
fatal_error "Invalid Network address ($_[0])" if defined $rest;
|
||||
|
||||
@ -36,7 +36,7 @@ use strict;
|
||||
our @ISA = qw(Exporter);
|
||||
our @EXPORT = qw( setup_masq setup_nat setup_netmap add_addresses );
|
||||
our @EXPORT_OK = ();
|
||||
our $VERSION = 4.00;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
our @addresses_to_add;
|
||||
our %addresses_to_add;
|
||||
@ -212,7 +212,7 @@ sub setup_one_masq($$$$$$$)
|
||||
add_commands( $chainref,
|
||||
'',
|
||||
"if [ \"$variable\" != 0.0.0.0 ]; then" );
|
||||
push_cmd_mode( $chainref );
|
||||
incr_cmd_level( $chainref );
|
||||
$detectaddress = 1;
|
||||
}
|
||||
} else {
|
||||
@ -249,7 +249,7 @@ sub setup_one_masq($$$$$$$)
|
||||
$exceptionrule );
|
||||
|
||||
if ( $detectaddress ) {
|
||||
pop_cmd_mode( $chainref );
|
||||
decr_cmd_level( $chainref );
|
||||
add_command( $chainref , 'fi' );
|
||||
}
|
||||
|
||||
|
||||
@ -34,21 +34,32 @@ use strict;
|
||||
our @ISA = qw(Exporter);
|
||||
our @EXPORT = qw( validate_policy apply_policy_rules complete_standard_chain sub setup_syn_flood_chains );
|
||||
our @EXPORT_OK = qw( );
|
||||
our $VERSION = 4.02;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
#
|
||||
# Create a new policy chain and return a reference to it.
|
||||
# Convert a chain into a policy chain.
|
||||
#
|
||||
sub new_policy_chain($$$)
|
||||
sub convert_to_policy_chain($$$$$)
|
||||
{
|
||||
my ($chain, $policy, $optional) = @_;
|
||||
|
||||
my $chainref = new_chain 'filter', $chain;
|
||||
my ($chainref, $source, $dest, $policy, $optional ) = @_;
|
||||
|
||||
$chainref->{is_policy} = 1;
|
||||
$chainref->{policy} = $policy;
|
||||
$chainref->{is_optional} = $optional;
|
||||
$chainref->{policychain} = $chain;
|
||||
$chainref->{policychain} = $chainref->{name};
|
||||
$chainref->{policypair} = [ $source, $dest ];
|
||||
}
|
||||
|
||||
#
|
||||
# Create a new policy chain and return a reference to it.
|
||||
#
|
||||
sub new_policy_chain($$$$)
|
||||
{
|
||||
my ($source, $dest, $policy, $optional) = @_;
|
||||
|
||||
my $chainref = new_chain( 'filter', "${source}2${dest}" );
|
||||
|
||||
convert_to_policy_chain( $chainref, $source, $dest, $policy, $optional );
|
||||
|
||||
$chainref;
|
||||
}
|
||||
@ -56,9 +67,9 @@ sub new_policy_chain($$$)
|
||||
#
|
||||
# Set the passed chain's policychain and policy to the passed values.
|
||||
#
|
||||
sub set_policy_chain($$$)
|
||||
sub set_policy_chain($$$$$)
|
||||
{
|
||||
my ($chain1, $chainref, $policy) = @_;
|
||||
my ($source, $dest, $chain1, $chainref, $policy ) = @_;
|
||||
|
||||
my $chainref1 = $filter_table->{$chain1};
|
||||
|
||||
@ -86,6 +97,7 @@ sub set_policy_chain($$$)
|
||||
}
|
||||
|
||||
$chainref1->{policy} = $policy;
|
||||
$chainref1->{policypair} = [ $source, $dest ];
|
||||
}
|
||||
}
|
||||
|
||||
@ -97,8 +109,13 @@ sub validate_policy()
|
||||
sub print_policy($$$$)
|
||||
{
|
||||
my ( $source, $dest, $policy , $chain ) = @_;
|
||||
progress_message " Policy for $source to $dest is $policy using chain $chain"
|
||||
unless ( $source eq $dest ) || ( $source eq 'all' ) || ( $dest eq 'all' );
|
||||
unless ( ( $source eq 'all' ) || ( $dest eq 'all' ) ) {
|
||||
if ( $policy eq 'CONTINUE' ) {
|
||||
my ( $sourceref, $destref ) = @zones{$source,$dest};
|
||||
warning_message "CONTINUE policy between two un-nested zones ($source, $dest)" if ! ( @{$sourceref->{parents}} || @{$destref->{parents}} );
|
||||
}
|
||||
progress_message " Policy for $source to $dest is $policy using chain $chain" unless $source eq $dest;
|
||||
}
|
||||
}
|
||||
|
||||
my %validpolicies = (
|
||||
@ -107,19 +124,21 @@ sub validate_policy()
|
||||
DROP => undef,
|
||||
CONTINUE => undef,
|
||||
QUEUE => undef,
|
||||
NFQUEUE => undef,
|
||||
NONE => undef
|
||||
);
|
||||
|
||||
my %map = ( DROP_DEFAULT => 'DROP' ,
|
||||
REJECT_DEFAULT => 'REJECT' ,
|
||||
ACCEPT_DEFAULT => 'ACCEPT' ,
|
||||
QUEUE_DEFAULT => 'QUEUE' );
|
||||
QUEUE_DEFAULT => 'QUEUE' ,
|
||||
NFQUEUE_DEFAULT => 'NFQUEUE' );
|
||||
|
||||
my $zone;
|
||||
|
||||
use constant { OPTIONAL => 1 };
|
||||
|
||||
for my $option qw/DROP_DEFAULT REJECT_DEFAULT ACCEPT_DEFAULT QUEUE_DEFAULT/ {
|
||||
for my $option qw/DROP_DEFAULT REJECT_DEFAULT ACCEPT_DEFAULT QUEUE_DEFAULT NFQUEUE_DEFAULT/ {
|
||||
my $action = $config{$option};
|
||||
next if $action eq 'none';
|
||||
my $actiontype = $targets{$action};
|
||||
@ -139,13 +158,13 @@ sub validate_policy()
|
||||
}
|
||||
|
||||
for $zone ( @zones ) {
|
||||
push @policy_chains, ( new_policy_chain "${zone}2${zone}", 'ACCEPT', OPTIONAL );
|
||||
push @policy_chains, ( new_policy_chain $zone, $zone, 'ACCEPT', OPTIONAL );
|
||||
|
||||
if ( $config{IMPLICIT_CONTINUE} && ( @{$zones{$zone}{parents}} ) ) {
|
||||
for my $zone1 ( @zones ) {
|
||||
next if $zone eq $zone1;
|
||||
push @policy_chains, ( new_policy_chain "${zone}2${zone1}", 'CONTINUE', OPTIONAL );
|
||||
push @policy_chains, ( new_policy_chain "${zone1}2${zone}", 'CONTINUE', OPTIONAL );
|
||||
push @policy_chains, ( new_policy_chain $zone, $zone1, 'CONTINUE', OPTIONAL );
|
||||
push @policy_chains, ( new_policy_chain $zone1, $zone, 'CONTINUE', OPTIONAL );
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -178,6 +197,8 @@ sub validate_policy()
|
||||
|
||||
fatal_error "Invalid default action ($default:$remainder)" if defined $remainder;
|
||||
|
||||
( $policy , my $queue ) = split( '/' , $policy );
|
||||
|
||||
if ( $default ) {
|
||||
if ( "\L$default" eq 'none' ) {
|
||||
$default = 'none';
|
||||
@ -199,7 +220,13 @@ sub validate_policy()
|
||||
|
||||
fatal_error "Invalid policy $policy" unless exists $validpolicies{$policy};
|
||||
|
||||
if ( $policy eq 'NONE' ) {
|
||||
if ( defined $queue ) {
|
||||
fatal_error "Invalid policy ($policy/$queue)" unless $policy eq 'NFQUEUE';
|
||||
require_capability( 'NFQUEUE_TARGET', 'An NFQUEUE Policy', 's' );
|
||||
$queue = numeric_value( $queue );
|
||||
fatal_error "Invalid NFQUEUE queue number ($queue)" if $queue > 65535;
|
||||
$policy = "$policy/$queue";
|
||||
} elsif ( $policy eq 'NONE' ) {
|
||||
fatal_error "NONE policy not allowed with \"all\""
|
||||
if $clientwild || $serverwild;
|
||||
fatal_error "NONE policy not allowed to/from firewall zone"
|
||||
@ -224,18 +251,16 @@ sub validate_policy()
|
||||
$chainref->{is_optional} = 0;
|
||||
$chainref->{policy} = $policy;
|
||||
} else {
|
||||
fatal_error "Duplicate policy: $client $server $policy";
|
||||
fatal_error qq(Policy "$client $server $policy" duplicates earlier policy "@{$chainref->{policypair}} $chainref->{policy}");
|
||||
}
|
||||
} elsif ( $chainref->{policy} ) {
|
||||
fatal_error "Duplicate policy: $client $server $policy";
|
||||
fatal_error qq(Policy "$client $server $policy" duplicates earlier policy "@{$chainref->{policypair}} $chainref->{policy}");
|
||||
} else {
|
||||
$chainref->{is_policy} = 1;
|
||||
$chainref->{policy} = $policy;
|
||||
$chainref->{policychain} = $chain;
|
||||
convert_to_policy_chain( $chainref, $client, $server, $policy, 0 );
|
||||
push @policy_chains, ( $chainref ) unless $config{EXPAND_POLICIES} && ( $clientwild || $serverwild );
|
||||
}
|
||||
} else {
|
||||
$chainref = new_policy_chain $chain, $policy, 0;
|
||||
$chainref = new_policy_chain $client, $server, $policy, 0;
|
||||
push @policy_chains, ( $chainref ) unless $config{EXPAND_POLICIES} && ( $clientwild || $serverwild );
|
||||
}
|
||||
|
||||
@ -252,19 +277,19 @@ sub validate_policy()
|
||||
if ( $serverwild ) {
|
||||
for my $zone ( @zones , 'all' ) {
|
||||
for my $zone1 ( @zones , 'all' ) {
|
||||
set_policy_chain "${zone}2${zone1}", $chainref, $policy;
|
||||
set_policy_chain $client, $server, "${zone}2${zone1}", $chainref, $policy;
|
||||
print_policy $zone, $zone1, $policy, $chain;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for my $zone ( @zones ) {
|
||||
set_policy_chain "${zone}2${server}", $chainref, $policy;
|
||||
set_policy_chain $client, $server, "${zone}2${server}", $chainref, $policy;
|
||||
print_policy $zone, $server, $policy, $chain;
|
||||
}
|
||||
}
|
||||
} elsif ( $serverwild ) {
|
||||
for my $zone ( @zones , 'all' ) {
|
||||
set_policy_chain "${client}2${zone}", $chainref, $policy;
|
||||
set_policy_chain $client, $server, "${client}2${zone}", $chainref, $policy;
|
||||
print_policy $client, $zone, $policy, $chain;
|
||||
}
|
||||
|
||||
@ -284,7 +309,14 @@ sub policy_rules( $$$$ ) {
|
||||
add_rule $chainref, "-j $default" if $default && $default ne 'none';
|
||||
log_rule $loglevel , $chainref , $target , '' if $loglevel ne '';
|
||||
fatal_error "Null target in policy_rules()" unless $target;
|
||||
add_rule $chainref , ( '-j ' . ( $target eq 'REJECT' ? 'reject' : $target ) ) unless $target eq 'CONTINUE';
|
||||
if ( $target eq 'REJECT' ) {
|
||||
$target = 'reject';
|
||||
} elsif ( $target =~ /^NFQUEUE/ ) {
|
||||
my $queue = ( split( '/', $target) )[1] || 0;
|
||||
$target = "NFQUEUE --queue-num $queue";
|
||||
}
|
||||
|
||||
add_rule( $chainref , "-j $target" ) unless $target eq 'CONTINUE';
|
||||
}
|
||||
}
|
||||
|
||||
@ -305,7 +337,7 @@ sub default_policy( $$$ ) {
|
||||
if ( $chainref eq $policyref ) {
|
||||
policy_rules $chainref , $policy, $loglevel , $default;
|
||||
} else {
|
||||
if ( $policy eq 'ACCEPT' || $policy eq 'QUEUE' ) {
|
||||
if ( $policy eq 'ACCEPT' || $policy eq 'QUEUE' || $policy =~ /^NFQUEUE/ ) {
|
||||
if ( $synparams ) {
|
||||
report_syn_flood_protection;
|
||||
policy_rules $chainref , $policy , $loglevel , $default;
|
||||
@ -374,6 +406,8 @@ sub apply_policy_rules() {
|
||||
sub complete_standard_chain ( $$$ ) {
|
||||
my ( $stdchainref, $zone, $zone2 ) = @_;
|
||||
|
||||
add_rule $stdchainref, '-m state --state ESTABLISHED,RELATED -j ACCEPT' unless $config{FASTACCEPT};
|
||||
|
||||
run_user_exit $stdchainref;
|
||||
|
||||
my $ruleschainref = $filter_table->{"${zone}2${zone2}"};
|
||||
|
||||
@ -316,8 +316,9 @@ sub add_an_rtrule( $$$$ ) {
|
||||
if ( "\L$provider" =~ /^(0x[a-f0-9]+|0[0-7]*|[0-9]*)$/ ) {
|
||||
my $provider_number = numeric_value $provider;
|
||||
|
||||
for my $provider ( keys %providers ) {
|
||||
if ( $providers{$provider}{number} == $provider_number ) {
|
||||
for ( keys %providers ) {
|
||||
if ( $providers{$_}{number} == $provider_number ) {
|
||||
$provider = $_;
|
||||
$found = 1;
|
||||
last;
|
||||
}
|
||||
|
||||
@ -47,7 +47,7 @@ our @EXPORT = qw( process_tos
|
||||
dump_rule_chains
|
||||
);
|
||||
our @EXPORT_OK = qw( process_rule process_rule1 initialize );
|
||||
our $VERSION = 4.02;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
#
|
||||
# Keep track of chains for the /var/lib/shorewall[-lite]/chains file
|
||||
@ -109,7 +109,7 @@ sub process_tos() {
|
||||
|
||||
my ($src, $dst, $proto, $sports, $ports , $tos, $mark ) = split_line 6, 7, 'tos file entry';
|
||||
|
||||
fatal_error "TOS field required" unless $tos ne '-';
|
||||
fatal_error "A value must be supplied in the TOS column" if $tos eq '-';
|
||||
|
||||
if ( defined ( my $tosval = $tosoptions{"\L$tos"} ) ) {
|
||||
$tos = $tosval;
|
||||
@ -501,6 +501,13 @@ sub add_common_rules() {
|
||||
my $list;
|
||||
my $chain;
|
||||
|
||||
if ( $config{FASTACCEPT} ) {
|
||||
for $chain qw( INPUT FORWARD OUTPUT ) {
|
||||
$chainref = $filter_table->{$chain};
|
||||
add_rule( $chainref , "-m state --state ESTABLISHED,RELATED -j ACCEPT" );
|
||||
}
|
||||
}
|
||||
|
||||
my $rejectref = new_standard_chain 'reject';
|
||||
|
||||
$level = $config{BLACKLIST_LOGLEVEL};
|
||||
@ -533,10 +540,10 @@ sub add_common_rules() {
|
||||
add_rule_pair $chainref, '-m addrtype --src-type BROADCAST ', 'DROP', $config{SMURF_LOG_LEVEL} ;
|
||||
} else {
|
||||
add_command $chainref, 'for address in $ALL_BCASTS; do';
|
||||
push_cmd_mode $chainref;
|
||||
incr_cmd_level $chainref;
|
||||
log_rule( $config{SMURF_LOG_LEVEL} , $chainref, 'DROP', '-s $address ' );
|
||||
add_rule $chainref, '-s $address -j DROP';
|
||||
pop_cmd_mode $chainref;
|
||||
decr_cmd_level $chainref;
|
||||
add_command $chainref, 'done';
|
||||
}
|
||||
|
||||
@ -546,9 +553,9 @@ sub add_common_rules() {
|
||||
add_rule $rejectref , '-m addrtype --src-type BROADCAST -j DROP';
|
||||
} else {
|
||||
add_command $rejectref, 'for address in $ALL_BCASTS; do';
|
||||
push_cmd_mode $rejectref;
|
||||
incr_cmd_level $rejectref;
|
||||
add_rule $rejectref, '-d $address -j DROP';
|
||||
pop_cmd_mode $rejectref;
|
||||
decr_cmd_level $rejectref;
|
||||
add_command $rejectref, 'done';
|
||||
}
|
||||
|
||||
@ -967,6 +974,14 @@ sub process_rule1 ( $$$$$$$$$$$ ) {
|
||||
$current_param = pop @param_stack if $param ne '';
|
||||
|
||||
return;
|
||||
|
||||
} elsif ( $actiontype & NFQ ) {
|
||||
require_capability( 'NFQUEUE_TARGET', 'NFQUEUE Rules', '' );
|
||||
$param = $param eq '' ? 0 : numeric_value( $param );
|
||||
fatal_error "Invalid value ($param) for NFQUEUE queue number" if $param > 65535;
|
||||
$action = "NFQUEUE/$param";
|
||||
} else {
|
||||
fatal_error "The $basictarget TARGET does not accept a parameter" unless $param eq '';
|
||||
}
|
||||
#
|
||||
# We can now dispense with the postfix characters
|
||||
@ -1110,7 +1125,6 @@ sub process_rule1 ( $$$$$$$$$$$ ) {
|
||||
my $servport = $serverport ne '' ? $serverport : $ports;
|
||||
|
||||
fatal_error "A server must be specified in the DEST column in $action rules" unless ( $actiontype & REDIRECT ) || $server ne ALLIPv4;
|
||||
fatal_error "Invalid server ($server)" if $server =~ /:/;
|
||||
#
|
||||
# Generate the target
|
||||
#
|
||||
@ -1118,6 +1132,17 @@ sub process_rule1 ( $$$$$$$$$$$ ) {
|
||||
|
||||
if ( $actiontype & REDIRECT ) {
|
||||
$target = '-j REDIRECT --to-port ' . ( $serverport ne '' ? $serverport : $ports );
|
||||
if ( $origdest eq '' || $origdest eq '-' ) {
|
||||
$origdest = ALLIPv4;
|
||||
} elsif ( $origdest eq 'detect' ) {
|
||||
if ( $config{DETECT_DNAT_IPADDRS} && $sourcezone ne $firewall_zone ) {
|
||||
my $interfacesref = $zones{$sourcezone}{interfaces};
|
||||
my @interfaces = keys %$interfacesref;
|
||||
$origdest = @interfaces ? "detect:@interfaces" : ALLIPv4;
|
||||
} else {
|
||||
$origdest = ALLIPv4;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if ( $action eq 'SAME' ) {
|
||||
fatal_error 'Port mapping not allowed in SAME rules' if $serverport;
|
||||
@ -1135,7 +1160,7 @@ sub process_rule1 ( $$$$$$$$$$$ ) {
|
||||
}
|
||||
|
||||
unless ( $origdest && $origdest ne '-' && $origdest ne 'detect' ) {
|
||||
if ( $config{DETECT_DNAT_IPADDRS} ) {
|
||||
if ( $config{DETECT_DNAT_IPADDRS} && $sourcezone ne $firewall_zone ) {
|
||||
my $interfacesref = $zones{$sourcezone}{interfaces};
|
||||
my @interfaces = keys %$interfacesref;
|
||||
$origdest = @interfaces ? "detect:@interfaces" : ALLIPv4;
|
||||
@ -1144,6 +1169,7 @@ sub process_rule1 ( $$$$$$$$$$$ ) {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#
|
||||
# And generate the nat table rule(s)
|
||||
#
|
||||
@ -1217,7 +1243,7 @@ sub process_rule1 ( $$$$$$$$$$$ ) {
|
||||
$source ,
|
||||
$dest ,
|
||||
$origdest ,
|
||||
"-j $action " ,
|
||||
$actiontype & NFQ ? "-j NFQUEUE --queue-num $param " : "-j $action " ,
|
||||
$loglevel ,
|
||||
$action ,
|
||||
'' );
|
||||
@ -1849,11 +1875,13 @@ sub generate_matrix() {
|
||||
}
|
||||
}
|
||||
|
||||
sub setup_mss( $ ) {
|
||||
my $clampmss = $_[0];
|
||||
sub setup_mss( ) {
|
||||
my $clampmss = $config{CLAMPMSS};
|
||||
my $option;
|
||||
my $match = '';
|
||||
my $chainref = $filter_table->{FORWARD};
|
||||
|
||||
if ( $clampmss ) {
|
||||
if ( "\L$clampmss" eq 'yes' ) {
|
||||
$option = '--clamp-mss-to-pmtu';
|
||||
} else {
|
||||
@ -1861,13 +1889,44 @@ sub setup_mss( $ ) {
|
||||
$option = "--set-mss $clampmss";
|
||||
}
|
||||
|
||||
add_rule $filter_table->{FORWARD} , "-p tcp --tcp-flags SYN,RST SYN ${match}-j TCPMSS $option";
|
||||
$match .= '-m policy --pol none --dir out ' if $capabilities{POLICY_MATCH};
|
||||
}
|
||||
|
||||
my $interfaces = find_interfaces_by_option( 'mss' );
|
||||
|
||||
if ( @$interfaces ) {
|
||||
#
|
||||
# Since we will need multiple rules, we create a separate chain
|
||||
#
|
||||
$chainref = new_chain 'filter', 'settcpmss';
|
||||
#
|
||||
# Send all forwarded SYN packets to the 'settcpmss' chain
|
||||
#
|
||||
add_rule $filter_table->{FORWARD} , "-p tcp --tcp-flags SYN,RST SYN -j settcpmss";
|
||||
|
||||
my $in_match = '';
|
||||
my $out_match = '';
|
||||
|
||||
if ( $capabilities{POLICY_MATCH} ) {
|
||||
$in_match = '-m policy --pol none --dir in ';
|
||||
$out_match = '-m policy --pol none --dir out ';
|
||||
}
|
||||
|
||||
for ( @$interfaces ) {
|
||||
my $mss = $interfaces{$_}{options}{mss};
|
||||
my $mssmatch = $capabilities{TCPMSS_MATCH} ? "-m tcpmss --mss $mss: " : '';
|
||||
add_rule $chainref, "-o $_ -p tcp --tcp-flags SYN,RST SYN ${mssmatch}${out_match}-j TCPMSS --set-mss $mss";
|
||||
add_rule $chainref, "-o $_ -j RETURN" if $clampmss;
|
||||
add_rule $chainref, "-i $_ -p tcp --tcp-flags SYN,RST SYN ${mssmatch}${in_match}-j TCPMSS --set-mss $mss";
|
||||
add_rule $chainref, "-i $_ -j RETURN" if $clampmss;
|
||||
}
|
||||
}
|
||||
|
||||
add_rule $chainref , "-p tcp --tcp-flags SYN,RST SYN ${match}-j TCPMSS $option" if $clampmss;
|
||||
}
|
||||
|
||||
sub dump_rule_chains() {
|
||||
for my $arrayref ( @rule_chains ) {
|
||||
emit_unindented "@$arrayref";
|
||||
}
|
||||
emit_unindented "@$_" for ( @rule_chains );
|
||||
}
|
||||
|
||||
1;
|
||||
|
||||
@ -39,7 +39,7 @@ use strict;
|
||||
our @ISA = qw(Exporter);
|
||||
our @EXPORT = qw( setup_tc );
|
||||
our @EXPORT_OK = qw( process_tc_rule initialize );
|
||||
our $VERSION = 4.02;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
our %tcs = ( T => { chain => 'tcpost',
|
||||
connmark => 0,
|
||||
@ -184,7 +184,7 @@ sub process_tc_rule( $$$$$$$$$$ ) {
|
||||
my $tcsref;
|
||||
my $connmark = 0;
|
||||
my $classid = 0;
|
||||
my $device;
|
||||
my $device = '';
|
||||
|
||||
if ( $source ) {
|
||||
if ( $source eq $firewall_zone ) {
|
||||
@ -268,7 +268,7 @@ sub process_tc_rule( $$$$$$$$$$ ) {
|
||||
}
|
||||
}
|
||||
|
||||
if ( my $result = expand_rule(
|
||||
if ( ( my $result = expand_rule(
|
||||
ensure_chain( 'mangle' , $chain ) ,
|
||||
NO_RESTRICT ,
|
||||
do_proto( $proto, $ports, $sports) . do_test( $testval, $mask ) . do_tos( $tos ) ,
|
||||
@ -278,11 +278,12 @@ sub process_tc_rule( $$$$$$$$$$ ) {
|
||||
"-j $target $mark" ,
|
||||
'' ,
|
||||
'' ,
|
||||
'' ) ) {
|
||||
'' ) )
|
||||
&& $device ) {
|
||||
#
|
||||
# expand_rule() returns destination device if any
|
||||
#
|
||||
fatal_error "Class Id $original_mark is not associated with device $result" if $config{TC_ENABLED} eq 'internal' && $classid && $device ne $result;
|
||||
fatal_error "Class Id $original_mark is not associated with device $result" if $device ne $result;
|
||||
}
|
||||
|
||||
progress_message " TC Rule \"$currentline\" $done";
|
||||
|
||||
@ -37,6 +37,7 @@ our @EXPORT = qw( NOTHING
|
||||
IPSECPROTO
|
||||
IPSECMODE
|
||||
|
||||
numeric_value
|
||||
determine_zones
|
||||
zone_report
|
||||
dump_zone_contents
|
||||
@ -59,7 +60,7 @@ our @EXPORT = qw( NOTHING
|
||||
@bridges );
|
||||
|
||||
our @EXPORT_OK = qw( initialize );
|
||||
our $VERSION = 4.01;
|
||||
our $VERSION = 4.03;
|
||||
|
||||
#
|
||||
# IPSEC Option types
|
||||
@ -76,7 +77,7 @@ use constant { NOTHING => 'NOTHING',
|
||||
#
|
||||
# @zones contains the ordered list of zones with sub-zones appearing before their parents.
|
||||
#
|
||||
# %zones{<zone1> => {type = > <zone type>
|
||||
# %zones{<zone1> => {type = > <zone type> 'firewall', 'ipv4', 'ipsec4', 'bport4';
|
||||
# options => { complex => 0|1
|
||||
# in_out => < policy match string >
|
||||
# in => < policy match string >
|
||||
@ -110,16 +111,6 @@ our %reservedName = ( all => 1,
|
||||
SOURCE => 1,
|
||||
DEST => 1 );
|
||||
|
||||
se constant ( ZT_IPV4 => 1,
|
||||
ZT_IPSEC => 2,
|
||||
ZT_BPORT => 4,
|
||||
ZT_IPV6 => 8,
|
||||
ZT_FIREWALL => 16,
|
||||
ZT_IPSEC4 => ZT_IPV4 | ZT_IPSEC
|
||||
ZT_IPSEC6 => ZT_IPV6 | ZT_IPSEC
|
||||
ZT_BPORT4 => ZT_IPV4 | ZT_BPORT
|
||||
ZT_BPORT6 => ZT_IPV6 | ZT_BPORT
|
||||
);
|
||||
#
|
||||
# Interface Table.
|
||||
#
|
||||
@ -162,6 +153,15 @@ INIT {
|
||||
initialize;
|
||||
}
|
||||
|
||||
#
|
||||
# Convert value to decimal number
|
||||
#
|
||||
sub numeric_value ( $ ) {
|
||||
my $mark = $_[0];
|
||||
fatal_error "Invalid Numeric Value ($mark)" unless "\L$mark" =~ /^(0x[a-f0-9]+|0[0-7]*|[1-9]\d*)$/;
|
||||
$mark =~ /^0/ ? oct $mark : $mark;
|
||||
}
|
||||
|
||||
#
|
||||
# Parse the passed option list and return a reference to a hash as follows:
|
||||
#
|
||||
@ -219,7 +219,7 @@ sub parse_zone_option_list($$)
|
||||
if ( $key{$e} ) {
|
||||
$h{$e} = $val;
|
||||
} else {
|
||||
fatal_error "The \"$e\" option may only be specified for ipsec zones" unless $zonetype & ZT_IPSEC;
|
||||
fatal_error "The \"$e\" option may only be specified for ipsec zones" unless $zonetype eq 'ipsec4';
|
||||
$options .= $invert;
|
||||
$options .= "--$e ";
|
||||
$options .= "$val "if defined $val;
|
||||
@ -261,7 +261,7 @@ sub determine_zones()
|
||||
for my $p ( @parents ) {
|
||||
fatal_error "Invalid Parent List ($2)" unless $p;
|
||||
fatal_error "Unknown parent zone ($p)" unless $zones{$p};
|
||||
fatal_error 'Subzones of firewall zone not allowed' if $zones{$p}{type} & ZT_FIREWALL;
|
||||
fatal_error 'Subzones of firewall zone not allowed' if $zones{$p}{type} eq 'firewall';
|
||||
push @{$zones{$p}{children}}, $zone;
|
||||
}
|
||||
}
|
||||
@ -273,20 +273,20 @@ sub determine_zones()
|
||||
$type = "ipv4" unless $type;
|
||||
|
||||
if ( $type =~ /ipv4/i ) {
|
||||
$type = ZT_IPV4;
|
||||
$type = 'ipv4';
|
||||
} elsif ( $type =~ /^ipsec4?$/i ) {
|
||||
$type = ZT_IPSEC4;
|
||||
$type = 'ipsec4';
|
||||
} elsif ( $type =~ /^bport4?$/i ) {
|
||||
warning_message "Bridge Port zones should have a parent zone" unless @parents;
|
||||
$type = ZT_BPORT4;
|
||||
$type = 'bport4';
|
||||
} elsif ( $type eq 'firewall' ) {
|
||||
fatal_error 'Firewall zone may not be nested' if @parents;
|
||||
fatal_error "Only one firewall zone may be defined ($zone)" if $firewall_zone;
|
||||
$firewall_zone = $zone;
|
||||
$ENV{FW} = $zone;
|
||||
$type = ZT_FIREWALL;
|
||||
$type = "firewall";
|
||||
} elsif ( $type eq '-' ) {
|
||||
$type = ZT_IPV4;
|
||||
$type = 'ipv4';
|
||||
} else {
|
||||
fatal_error "Invalid zone type ($type)" ;
|
||||
}
|
||||
@ -302,7 +302,7 @@ sub determine_zones()
|
||||
options => { in_out => parse_zone_option_list( $options || '', $type ) ,
|
||||
in => parse_zone_option_list( $in_options || '', $type ) ,
|
||||
out => parse_zone_option_list( $out_options || '', $type ) ,
|
||||
complex => ($type & ZT_IPSEC || $options || $in_options || $out_options ? 1 : 0) } ,
|
||||
complex => ($type eq 'ipsec4' || $options || $in_options || $out_options ? 1 : 0) } ,
|
||||
interfaces => {} ,
|
||||
children => [] ,
|
||||
hosts => {}
|
||||
@ -337,22 +337,12 @@ sub determine_zones()
|
||||
#
|
||||
sub haveipseczones() {
|
||||
for my $zoneref ( values %zones ) {
|
||||
return 1 if $zoneref->{type} & ZT_IPSEC;
|
||||
return 1 if $zoneref->{type} eq 'ipsec4';
|
||||
}
|
||||
|
||||
0;
|
||||
}
|
||||
|
||||
my @typenames = ( Untyped, #0
|
||||
firewall, #1
|
||||
ipv4, #2
|
||||
Invalid, #3
|
||||
Invalid, #4
|
||||
Invalid, #5
|
||||
ipsec4, #6
|
||||
Invalid, #7
|
||||
Invalid, #8
|
||||
|
||||
#
|
||||
# Report about zones.
|
||||
#
|
||||
@ -551,9 +541,10 @@ sub validate_interfaces_file( $ )
|
||||
use constant { SIMPLE_IF_OPTION => 1,
|
||||
BINARY_IF_OPTION => 2,
|
||||
ENUM_IF_OPTION => 3,
|
||||
MASK_IF_OPTION => 3,
|
||||
NUMERIC_IF_OPTION => 4,
|
||||
MASK_IF_OPTION => 7,
|
||||
|
||||
IF_OPTION_ZONEONLY => 4 };
|
||||
IF_OPTION_ZONEONLY => 8 };
|
||||
|
||||
my %validoptions = (arp_filter => BINARY_IF_OPTION,
|
||||
arp_ignore => ENUM_IF_OPTION,
|
||||
@ -572,6 +563,7 @@ sub validate_interfaces_file( $ )
|
||||
sourceroute => BINARY_IF_OPTION,
|
||||
tcpflags => SIMPLE_IF_OPTION,
|
||||
upnp => SIMPLE_IF_OPTION,
|
||||
mss => NUMERIC_IF_OPTION,
|
||||
);
|
||||
|
||||
my $fn = open_file 'interfaces';
|
||||
@ -701,6 +693,9 @@ sub validate_interfaces_file( $ )
|
||||
} else {
|
||||
fatal_error "Internal Error in validate_interfaces_file";
|
||||
}
|
||||
} elsif ( $type == NUMERIC_IF_OPTION ) {
|
||||
fatal_error "The $option option requires a value" unless defined $value;
|
||||
$options{$option} = numeric_value $value;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -22,7 +22,7 @@
|
||||
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
|
||||
#
|
||||
|
||||
VERSION=4.0.2
|
||||
VERSION=4.0.3
|
||||
|
||||
usage() # $1 = exit status
|
||||
{
|
||||
|
||||
@ -540,7 +540,7 @@ find_first_interface_address_if_any() # $1 = interface
|
||||
#
|
||||
interface_is_usable() # $1 = interface
|
||||
{
|
||||
interface_is_up $1 && [ "$(find_first_interface_address_if_any $1)" != 0.0.0.0 ]
|
||||
interface_is_up $1 && [ "$(find_first_interface_address_if_any $1)" != 0.0.0.0 ] && run_isusable_exit $1
|
||||
}
|
||||
|
||||
#
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
%define name shorewall-perl
|
||||
%define version 4.0.2
|
||||
%define version 4.0.3
|
||||
%define release 1
|
||||
|
||||
Summary: Shoreline Firewall Perl-based compiler.
|
||||
@ -72,6 +72,8 @@ fi
|
||||
%doc COPYING releasenotes.txt
|
||||
|
||||
%changelog
|
||||
* Mon Aug 13 2007 Tom Eastep tom@shorewall.net
|
||||
- Updated to 4.0.3-1
|
||||
* Thu Aug 09 2007 Tom Eastep tom@shorewall.net
|
||||
- Updated to 4.0.2-1
|
||||
* Sat Jul 21 2007 Tom Eastep tom@shorewall.net
|
||||
|
||||
Loading…
Reference in New Issue
Block a user