Back out default-action macros and document in-line actions.

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-11-27 10:53:18 -08:00
parent 6bf996d4b8
commit d7096ae52e
7 changed files with 63 additions and 139 deletions

View File

@ -343,9 +343,6 @@ sub process_default_action( $$$$ ) {
$level eq 'none' ? normalize_action_name $def :
normalize_action( $def, $level, '' );
use_policy_action( $default );
} elsif ( find_macro( $def )) {
$default = join( '.', 'macro', $def ) unless $default =~ /^macro./;
$default = "$def($param)" if supplied $param;
} elsif ( ( $targets{$def} || 0 ) == INLINE ) {
$default = $def;
$default = "$def($param)" if supplied $param;
@ -582,7 +579,6 @@ sub process_policies()
#
# Policy Rule application
#
sub process_macro ($$$$$$$$$$$$$$$$$$$);
sub process_inline ($$$$$$$$$$$$$$$$$$$);
sub policy_rules( $$$$$ ) {
@ -592,40 +588,14 @@ sub policy_rules( $$$$$ ) {
add_ijump $chainref, j => 'RETURN', d => '224.0.0.0/4' if $dropmulticast && $target ne 'CONTINUE' && $target ne 'ACCEPT';
if ( $default && $default ne 'none' ) {
if ( $default =~ s/^macro\.// ) {
#
# Default action is a macro -- expand it in-line
#
my ( $macro ) = split ':', $default;
( $macro, my $param ) = get_target_param( $macro );
process_macro( $macro, #Macro
$chainref, #Chain
$default, #Target
$param || '', #Param
'-', #Source
'-', #Dest
'-', #Proto
'-', #Ports
'-', #Sports
'-', #Original Dest
'-', #Rate
'-', #User
'-', #Mark
'-', #ConnLimit
'-', #Time
'-', #Headers
'-', #Condition
'-', #Helper
0, #Wildcard
);
} else {
my ( $inline ) = split ':', $default;
( $inline, my $param ) = get_target_param( $inline );
if ( $targets{$inline} == INLINE ) {
#
# Default action is an inline
#
process_inline( $inline, #Inline
$chainref, #Chain
$default, #Target
@ -648,12 +618,11 @@ sub policy_rules( $$$$$ ) {
);
} else {
#
# Default action is an action -- jump to the action chain
# Default action is a regular action -- jump to the action chain
#
add_ijump $chainref, j => $default;
}
}
}
log_rule $loglevel , $chainref , $target , '' if $loglevel ne '';
fatal_error "Null target in policy_rules()" unless $target;
@ -1667,10 +1636,6 @@ sub process_macro ($$$$$$$$$$$$$$$$$$$) {
macro_comment $macro;
my $oldparms = push_action_params( $chainref, $param );
( $param ) = get_action_params( 1 );
my $macrofile = $macros{$macro};
progress_message "..Expanding Macro $macrofile...";
@ -1790,8 +1755,6 @@ sub process_macro ($$$$$$$$$$$$$$$$$$$) {
progress_message "..End Macro $macrofile";
pop_action_params( $oldparms );
clear_comment unless $nocomment;
return $generated;

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@ -112,23 +112,14 @@
<para>The name of an action. The action will be invoked before
the policy is enforced.</para>
</listitem>
<listitem>
<para>The name of a macro (Shorewall 4.5.10 or later). The rules
in that macro will be applied before the policy is enforced. If
you wish to use a macro with the same name as an existing
action, you may specify the name of the macro file (e.g.,
<emphasis
role="bold">macro.</emphasis><replaceable>macro-name</replaceable>).</para>
</listitem>
</orderedlist>
<para>Both actions and macros can have parameters specified.</para>
<para>Actions can have parameters specified.</para>
<para>Beginning with Shorewall 4.5.10, the macro or action name can
be followed optionally by a colon and a log level. The level will be
applied to each rule in the action or macro body that does not
already have a log level.</para>
<para>Beginning with Shorewall 4.5.10, the action name can be
followed optionally by a colon and a log level. The level will be
applied to each rule in the action or body that does not already
have a log level.</para>
<para>Possible actions are:</para>

View File

@ -152,19 +152,6 @@
<para>The value applied to these may be:</para>
<simplelist>
<member>a) The name of an <replaceable>action</replaceable>. The
name may optionally be followed by a comma-separated list of
parameters enclosed in parentheses if the specified action accepts
parameters (e.g., 'Drop(audit)').</member>
<member>b) The name of a <replaceable>macro</replaceable>
(Shorewall 4.5.10 and Later)</member>
<member>c) <emphasis role="bold">None</emphasis> or <emphasis
role="bold">none</emphasis></member>
</simplelist>
<para>The default values are:</para>
<simplelist>
@ -184,20 +171,14 @@
specified in <ulink
url="shorewall-policy.html">shorewall-policy</ulink>(5).</para>
<para>Beginning with Shorewall 4.5.10,
<replaceable>action</replaceable> may name a macro. If you wish to
use a macro with the same name as an existing action, you may
specify the name of the macro file (e.g., <emphasis
role="bold">macro.</emphasis><replaceable>macro-name</replaceable>).</para>
<para>You can pass <replaceable>parameters</replaceable> to the
specified action or macro (e.g.,
specified action (e.g.,
<emphasis>myaction(audit,DROP)</emphasis>).</para>
<para>Beginning with Shorewall 4.5.10, the macro or action name can
be followed optionally by a colon and a log
<para>Beginning with Shorewall 4.5.10, the action name can be
followed optionally by a colon and a log
<replaceable>level</replaceable>. The level will be applied to each
rule in the action or macro body that does not already have a log
rule in the action or body that does not already have a log
level.</para>
</listitem>
</varlistentry>

View File

@ -97,36 +97,29 @@
<listitem>
<para>Policy if no match from the rules file is found.</para>
<para>If the policy is other than CONTINUE or NONE then the policy
may be followed by ":" and one of the following:</para>
<para>If the policy is neither CONTINUE nor NONE then the policy may
be followed by ":" and one of the following:</para>
<orderedlist numeration="loweralpha">
<listitem>
<para>The word "None" or "none". This causes any default action
defined in <ulink
url="shorewall6.conf.html">shorewall6.conf</ulink>(5) to be
url="shorewall.conf.html">shorewall.conf</ulink>(5) to be
omitted for this policy.</para>
</listitem>
<listitem>
<para>The name of an action. That action will be invoked before
<para>The name of an action. The action will be invoked before
the policy is enforced.</para>
</listitem>
<listitem>
<para>The name of a macro (Shorewall 4.5.10 or later). The rules
in that macro will be applied before the policy is enforced. If
you wish to use a macro with the same name as an existing
action, you may specify the name of the macro file (e.g.,
<emphasis
role="bold">macro.</emphasis><replaceable>macro-name</replaceable>).</para>
</listitem>
</orderedlist>
<para>Beginning with Shorewall 4.5.10, the macro or action name can
be followed optionally by a colon and a log level. The level will be
applied to each rule in the action or macro body that does not
already have a log level.</para>
<para>Actions can have parameters specified.</para>
<para>Beginning with Shorewall 4.5.10, the action name can be
followed optionally by a colon and a log level. The level will be
applied to each rule in the action or body that does not already
have a log level.</para>
<para>Possible actions are:</para>

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@ -136,9 +136,6 @@
parameters enclosed in parentheses if the specified action accepts
parameters (e.g., 'Drop(audit)').</member>
<member>b) The name of a <replaceable>macro</replaceable>
(Shorewall 4.5.10 and Laater)</member>
<member>c) <emphasis role="bold">None</emphasis> or <emphasis
role="bold">none</emphasis></member>
</simplelist>
@ -162,18 +159,12 @@
specified in <ulink
url="shorewall6-policy.html">shorewall6-policy</ulink>(5).</para>
<para>Beginning with Shorewall 4.5.10,
<replaceable>action</replaceable> may name a macro. If you wish to
use a macro with the same name as an existing action, you may
specify the name of the macro file here (e.g., <emphasis
role="bold">macro.</emphasis><replaceable>macro-name</replaceable>).</para>
<para>You can pass <replaceable>parameters</replaceable> to the
specified action or macro (e.g.,
<emphasis>myaction(audit,DROP)</emphasis>).</para>
<para>Beginning with Shorewall 4.5.10, the macro or action name can
be followed optionally by a colon and a log
<para>Beginning with Shorewall 4.5.10, the action name can be
followed optionally by a colon and a log
<replaceable>level</replaceable>. The level will be applied to each
rule in the action or macro body that does not already have a log
level.</para>

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@ -28,6 +28,8 @@
<year>2010</year>
<year>2012</year>
<holder>Thomas M. Eastep</holder>
</copyright>
@ -316,6 +318,12 @@ ACCEPT - - tcp 135,139,445
action begins with a capital letter; that way, the name won't conflict
with a Shorewall-defined chain name.</para>
<para>Normally. the rules in an action are placed in a separate chain.
Beginning with Shorewall 4.5.10, the action rules can be expanded
inline in a manner similar to a macro by specifying
<option>inline</option> in the OPTIONS column of
<filename>/etc/shorewall/actions</filename>.</para>
<para>Shorewall includes pre-defined actions for DROP and REJECT --
see above.</para>
</listitem>

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@ -297,15 +297,12 @@ ACCEPT fw loc tcp 135,139,445</programlisting>
the value of the first parameter, $2 expands to the value of the second
and so on.</para>
<para>You can specify default values for parameters using a DEFAULT or
DEFAULTS line.</para>
<para>You can specify default values for PARAM</para>
<programlisting>DEFAULTS <replaceable>def1</replaceable>,<replaceable>def2</replaceable>,...</programlisting>
<programlisting>DEFAULT <replaceable>def</replaceable></programlisting>
<para>where <replaceable>def1</replaceable> is the default value for the
first parameter, <replaceable>def2</replaceable> is the default value
for the second parameter and so on. You can specify an empty default
using '-' (e.g. DEFAULTS DROP,-,audit).</para>
<para>where <replaceable>def</replaceable> is the default value for
PARAM</para>
</section>
<section>