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Allow logging from the RAW table
Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep
parent
11e61ec6e5
commit
ac6a506e35
@ -81,32 +81,51 @@ sub process_conntrack_rule( $$$$$$$$$$ ) {
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fatal_error 'USER/GROUP is not allowed unless the SOURCE zone is $FW or a Vserver zone' if $user ne '-' && $restriction != OUTPUT_RESTRICT;
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}
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my $target = $action;
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my $disposition = $action;
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my $exception_rule = '';
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my $rule = do_proto( $proto, $ports, $sports ) . do_user ( $user ) . do_condition( $switch , $chainref->{name} );
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my $level = '';
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if ( $action =~ /^(?:NFLOG|ULOG)/ ) {
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$action = join( ":" , 'LOG', $action );
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}
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if ( $action eq 'NOTRACK' ) {
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#
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# A patch that deimplements the NOTRACK target has been posted on the
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# Netfilter development list
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#
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$action = 'CT --notrack' if have_capability 'CT_TARGET';
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} elsif ( $action ne 'DROP' ) {
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( $target, my ( $option, $args, $junk ) ) = split ':', $action, 4;
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if ( have_capability 'CT_TARGET' ) {
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$action = 'CT --notrack';
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$disposition = 'notrack';
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}
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} elsif ( $action =~ /^(DROP|LOG)(:(.+))?$/ ) {
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if ( $2 ) {
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validate_level( $level = $3 );
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$action = $1;
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$disposition = $1;
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}
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} else {
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( $disposition, my ( $option, $args ), $level ) = split ':', $action, 4;
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fatal_error "Invalid notrack ACTION ( $action )" if $junk || $target ne 'CT';
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fatal_error "Invalid notrack ACTION ( $action )" if $disposition ne 'CT';
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validate_level( $level ) if supplied $level;
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require_capability 'CT_TARGET', 'CT entries in the conntrack file', '';
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if ( $option eq 'notrack' ) {
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fatal_error "Invalid conntrack ACTION ( $action )" if supplied $args;
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$action = 'CT --notrack';
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$disposition = 'notrack';
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} else {
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fatal_error "Invalid or missing CT option and arguments" unless supplied $option && supplied $args;
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if ( $option eq 'helper' ) {
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my $modifiers = '';
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$disposition = "helper";
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if ( $args =~ /^([-\w.]+)\((.+)\)$/ ) {
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$args = $1;
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$modifiers = $2;
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@ -149,8 +168,8 @@ sub process_conntrack_rule( $$$$$$$$$$ ) {
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$dest ,
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'' ,
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$action ,
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'' ,
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$target ,
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$level || '' ,
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$disposition ,
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$exception_rule );
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progress_message " Conntrack rule \"$currentline\" $done";
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@ -224,6 +243,8 @@ sub process_format( $ ) {
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sub setup_conntrack() {
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$format = 1;
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for my $name ( qw/notrack conntrack/ ) {
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my $fn = open_file( $name, 3 , 1 );
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@ -271,11 +292,11 @@ sub setup_conntrack() {
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}
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} elsif ( $action =~ s/:O$// ) {
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process_conntrack_rule( $raw_table->{OUTPUT}, undef, $action, $source, $dest, $proto, $ports, $sports, $user, $switch );
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} elsif ( $action =~ s/:OP// || $action =~ s/:PO// ) {
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} elsif ( $action =~ s/:OP$// || $action =~ s/:PO// ) {
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process_conntrack_rule( $raw_table->{PREROUTING}, undef, $action, $source, $dest, $proto, $ports, $sports, $user, $switch );
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process_conntrack_rule( $raw_table->{OUTPUT}, undef, $action, $source, $dest, $proto, $ports, $sports, $user, $switch );
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} else {
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$action =~ s/:P//;
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$action =~ s/:P$//;
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process_conntrack_rule( $raw_table->{PREROUTING}, undef, $action, $source, $dest, $proto, $ports, $sports, $user, $switch );
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}
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}
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@ -88,7 +88,7 @@
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role="bold">NOTRACK</emphasis>|<emphasis
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role="bold">CT</emphasis>:<emphasis
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role="bold">helper</emphasis>:<replaceable>name</replaceable>[(<replaceable>arg</replaceable>=<replaceable>val</replaceable>[,...])|<emphasis
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role="bold">CT:notrack</emphasis>|DROP}[:<replaceable>chain-designator</replaceable>]</term>
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role="bold">CT:notrack</emphasis>|DROP|LOG|ULOG(<replaceable>ulog-parameters</replaceable>):NFLOG(<replaceable>nflog-parameters</replaceable>)}[<replaceable>log-level</replaceable>[:<replaceable>log-tag</replaceable>]][:<replaceable>chain-designator</replaceable>]</term>
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<listitem>
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<para>This column is only present when FORMAT >= 2. Values other
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@ -100,23 +100,19 @@
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<para><option>NOTRACK</option> or
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<option>CT:notrack</option></para>
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<para>Disables connection tracking for this packet.</para>
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<para>Disables connection tracking for this packet. If a
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<replaceable>log-level</replaceable> is specified, the packet
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will also be logged at that level.</para>
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</listitem>
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<listitem>
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<para><option>DROP</option></para>
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<para>Added in Shorewall 4.5.10. Silently discard the
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packet.</para>
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</listitem>
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<listitem>
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<para><option>helper</option>:<replaceable>name</replaceable></para>
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<para><option>CT:helper</option>:<replaceable>name</replaceable></para>
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<para>Attach the helper identified by the
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<replaceable>name</replaceable> to this connection. This is more
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flexible than loading the conntrack helper with preset
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ports.</para>
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flexible than loading the conntrack helper with preset ports. If
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a <replaceable>log-level</replaceable> is specified, the packet
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will also be logged at that level.</para>
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<para>At this writing, the available helpers are:</para>
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@ -175,14 +171,6 @@
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</listitem>
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</varlistentry>
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<varlistentry>
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<term></term>
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<listitem>
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<para></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>sane</term>
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@ -253,6 +241,39 @@
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para><option>DROP</option></para>
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<para>Added in Shorewall 4.5.10. Silently discard the packet. If
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a <replaceable>log-level</replaceable> is specified, the packet
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will also be logged at that level.</para>
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</listitem>
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<listitem>
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<para><option>LOG</option></para>
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<para>Added in Shoreawll 4.6.0. Logs the packet using the
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specified <replaceable>log-level</replaceable> and<replaceable>
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log-tag </replaceable>(if any). If no log-level is specified,
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then 'info' is assumed.</para>
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</listitem>
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<listitem>
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<para><option>NFLOG</option></para>
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<para>Added in Shoreawll 4.6.0. Queues the packet to a backend
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logging daemon using the NFLOG netfilter target with the
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specified <replaceable>nflog-parameters</replaceable>.</para>
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</listitem>
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<listitem>
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<para><option>ULOG</option></para>
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<para>Added in Shoreawll 4.6.0. Queues the packet to a backend
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logging daemon using the ULOG netfilter target with the
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specified <replaceable>ulog-parameters</replaceable>.</para>
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</listitem>
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</itemizedlist>
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<para>When FORMAT = 1, this column is not present and the rule is
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@ -88,7 +88,7 @@
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role="bold">NOTRACK</emphasis>|<emphasis
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role="bold">CT</emphasis>:<emphasis
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role="bold">helper</emphasis>:<replaceable>name</replaceable>[(<replaceable>arg</replaceable>=<replaceable>val</replaceable>[,...])|<emphasis
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role="bold">CT:notrack</emphasis>|drop}[:<replaceable>chain-designator</replaceable>]</term>
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role="bold">CT:notrack</emphasis>|DROP|LOG|NFLOG(<replaceable>nflog-parameters</replaceable>)}[:<replaceable>log-level</replaceable>[:<replaceable>log-tag</replaceable>]][:<replaceable>chain-designator</replaceable>]</term>
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<listitem>
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<para>This column is only present when FORMAT >= 2. Values other
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@ -100,14 +100,9 @@
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<para><option>NOTRACK</option> or
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<option>CT:notrack</option></para>
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<para>Disables connection tracking for this packet.</para>
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</listitem>
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<listitem>
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<para><option>DROP</option></para>
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<para>Added in Shorewall 4.5.10. Silently discard the
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packet.</para>
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<para>Disables connection tracking for this packet. If a
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<replaceable>log-level</replaceable> is specified, the packet
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will also be logged at that level.</para>
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</listitem>
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<listitem>
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@ -115,8 +110,105 @@
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<para>Attach the helper identified by the
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<replaceable>name</replaceable> to this connection. This is more
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flexible than loading the conntrack helper with preset ports.
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May be followed by an option list of
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flexible than loading the conntrack helper with preset ports. If
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a <replaceable>log-level</replaceable> is specified, the packet
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will also be logged at that level.</para>
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<para>At this writing, the available helpers are:</para>
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<variablelist>
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<varlistentry>
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<term>amanda</term>
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<listitem>
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<para>Requires that the amanda netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>ftp</term>
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<listitem>
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<para>Requires that the FTP netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>irc</term>
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<listitem>
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<para>Requires that the IRC netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>netbios-ns</term>
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<listitem>
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<para>Requires that the netbios_ns (sic) helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>RAS and Q.931</term>
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<listitem>
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<para>These require that the H323 netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>pptp</term>
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<listitem>
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<para>Requires that the pptp netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>sane</term>
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<listitem>
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<para>Requires that the SANE netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>sip</term>
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<listitem>
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<para>Requires that the SIP netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>snmp</term>
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<listitem>
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<para>Requires that the SNMP netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>tftp</term>
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<listitem>
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<para>Requires that the TFTP netfilter helper is
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present.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>May be followed by an option list of
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<replaceable>arg</replaceable>=<replaceable>val</replaceable>
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pairs in parentheses:</para>
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@ -149,6 +241,31 @@
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para><option>DROP</option></para>
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<para>Added in Shorewall 4.5.10. Silently discard the packet. If
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a <replaceable>log-level</replaceable> is specified, the packet
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will also be logged at that level.</para>
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</listitem>
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<listitem>
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<para><option>LOG</option></para>
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<para>Added in Shoreawll 4.6.0. Logs the packet using the
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specified <replaceable>log-level</replaceable> and<replaceable>
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log-tag </replaceable>(if any). If no log-level is specified,
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then 'info' is assumed.</para>
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</listitem>
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<listitem>
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<para><option>NFLOG</option></para>
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<para>Added in Shoreawll 4.6.0. Queues the packet to a backend
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logging daemon using the NFLOG netfilter target with the
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specified <replaceable>nflog-parameters</replaceable>.</para>
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</listitem>
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</itemizedlist>
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<para>When FORMAT = 1, this column is not present and the rule is
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