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Add infrastructure to delete the %usedactions entry for an action chain if

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the chain parameters are modified.

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2013-01-18 14:54:57 -08:00
parent 4587430e4a
commit 95aab78c0d
2 changed files with 83 additions and 61 deletions
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21
Shorewall/Perl/Shorewall/Config.pm
View File

@ -483,6 +483,7 @@ our %compiler_params;
# Action parameters
#
our %actparms;
our $paramsmodified;
our $currentline; # Current config file line image
our $currentfile; # File handle reference
@ -938,6 +939,7 @@ sub initialize( $;$$) {
%compiler_params = ();
%actparms = ( 0 => 0, loglevel => '', logtag => '', chain => '' );
$paramsmodified = 0;
%helpers_enabled = (
amanda => 1,
@ -2762,9 +2764,14 @@ sub embedded_perl( $ ) {
#
# Push/pop action params
#
sub push_action_params( $$$$ ) {
sub push_action_params( $$$$$ ) {
my @params = ( undef , split_list3( $_[1], 'parameter' ) );
my %oldparams = %actparms;
$actparms{modified} = $paramsmodified;
my %oldparms = %actparms;
$paramsmodified = 0;
%actparms = ();
@ -2777,17 +2784,25 @@ sub push_action_params( $$$$ ) {
$actparms{0} = $_[0];
$actparms{loglevel} = $_[2];
$actparms{logtag} = $_[3];
$actparms{caller} = $_[4];
#
# The Shorewall variable '@chain' has the non-word charaters removed
#
( $actparms{chain} = $_[0]->{name} ) =~ s/[^\w]//g;
\%oldparams;
\%oldparms;
}
#
# Pop the action parameters using the passed hash reference
# Return true of the popped parameters were modified
#
sub pop_action_params( $ ) {
my $oldparms = shift;
%actparms = %$oldparms;
my $return = $paramsmodified;
( $paramsmodified ) = delete $actparms{modified};
$return;
}
sub default_action_params {

25
Shorewall/Perl/Shorewall/Rules.pm
View File

@ -1574,15 +1574,17 @@ sub process_rule1 ( $$$$$$$$$$$$$$$$$$ );
# Populate an action invocation chain. As new action tuples are encountered,
# the function will be called recursively by process_rule1().
#
sub process_action($) {
my $chainref = shift;
sub process_action($$) {
my ( $chainref, $caller ) = @_;
my $wholeaction = $chainref->{action};
my ( $action, $level, $tag, $param ) = split /:/, $wholeaction, 4;
if ( $targets{$action} & BUILTIN ) {
$level = '' if $level =~ /none!?/;
$builtinops{$action}->( $chainref, $level, $tag, $param );
} else {
return 0;
}
my $actionfile = find_file "action.$action";
fatal_error "Missing Action File ($actionfile)" unless -f $actionfile;
@ -1591,7 +1593,7 @@ sub process_action($) {
push_open $actionfile, 2, 1;
my $oldparms = push_action_params( $chainref, $param, $level, $tag );
my $oldparms = push_action_params( $chainref, $param, $level, $tag, $caller );
my $nolog = $actions{$action}{nolog};
@ -1647,8 +1649,11 @@ sub process_action($) {
pop_open;
pop_action_params( $oldparms );
}
#
# Pop the action parameters and delete record of this chain if the action parameters
# were modified
#
delete $usedactions{$wholeaction} if pop_action_params( $oldparms );
}
#
@ -1657,7 +1662,7 @@ sub process_action($) {
sub use_policy_action( $ ) {
my $ref = use_action( $_[0] );
process_action( $ref ) if $ref;
process_action( $ref, 'POLICY' ) if $ref;
}
################################################################################
@ -1797,7 +1802,9 @@ sub process_inline ($$$$$$$$$$$$$$$$$$$$) {
my $oldparms = push_action_params( $chainref,
$param,
supplied $level ? $level : 'none',
defined $tag ? $tag : '');
defined $tag ? $tag : '' ,
$chainref->{name} ,
);
my $inlinefile = $inlines{$inline}{file};
my $nolog = $inlines{$inline}{nolog};
@ -2288,7 +2295,7 @@ sub process_rule1 ( $$$$$$$$$$$$$$$$$$ ) {
#
# First reference to this tuple
#
process_action( $ref );
process_action( $ref, $chain );
#
# Processing the action may determine that the action or one of it's dependents does NAT or HELPER, so:
#