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Clean up use_policy_action()

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2016-01-17 12:35:12 -08:00
parent 1ee645cd79
commit 4059e9de95
1 changed files with 27 additions and 28 deletions
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55
Shorewall/Perl/Shorewall/Rules.pm
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@ -1935,40 +1935,39 @@ sub use_policy_action( $$ ) {
my $ref = use_action( $normalized_target );
if ( $ref ) {
my $result = process_action( $ref, $caller );
if ( $result & PARMSMODIFIED ) {
delete $usedactions{$ref->{action}};
} elsif ( $result & USEDCALLER ) {
#
# The chain uses @CALLER but doesn't modify the action parameters.
# We need to see if this chain has already called this action
#
my $renormalized_target = insert_caller( $normalized_target, $caller );
my $ref1 = $usedactions{$renormalized_target};
if ( $ref1 ) {
#
# It has -- use the prior chain
#
$ref = $ref1;
#
# We leave the new chain in place but delete it from %usedactions below
#
if ( my $result = process_action( $ref, $caller ) ) {
if ( $result & PARMSMODIFIED ) {
delete $usedactions{$ref->{action}};
} else {
#
# This is the first time that the current chain has invoked this action
# The chain uses @CALLER but doesn't modify the action parameters.
# We need to see if this chain has already called this action
#
$usedactions{$renormalized_target} = $ref;
my $renormalized_target = insert_caller( $normalized_target, $caller );
if ( my $ref1 = $usedactions{$renormalized_target} ) {
#
# It has -- use the prior chain
#
$ref = $ref1;
#
# We leave the new chain in place but delete it from %usedactions below
#
} else {
#
# This is the first time that the current chain has invoked this action
#
$usedactions{$renormalized_target} = $ref;
#
# Swap the action member
#
$ref->{action} = $renormalized_target;
}
#
# Swap the action member
# Delete the usedactions entry with the original normalized key
#
$ref->{action} = $renormalized_target;
delete $usedactions{$normalized_target};
}
#
# Delete the usedactions entry with the original normalized key
#
delete $usedactions{$normalized_target};
}
} else {
$ref = $usedactions{$normalized_target};