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Correctly handle expansion of option names

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2017-03-13 10:20:15 -07:00
parent 8fca17a0ef
commit ce861dd0a3
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Shorewall/Perl/Shorewall/Config.pm
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@ -3667,6 +3667,7 @@ sub expand_variables( \$ ) {
$usedcaller = USEDCALLER if $var eq 'caller'; $usedcaller = USEDCALLER if $var eq 'caller';
} else { } else {
fatal_error "Undefined shell variable (\$$var)" unless $config{IGNOREUNKNOWNVARIABLES} || exists $config{$var}; fatal_error "Undefined shell variable (\$$var)" unless $config{IGNOREUNKNOWNVARIABLES} || exists $config{$var};
$val = $config{$var};
} }
$val = '' unless defined $val; $val = '' unless defined $val;