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Implement @-variables.

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-12-12 11:46:38 -08:00
parent 10237e01b2
commit 5da7db3d5f
1 changed files with 36 additions and 8 deletions
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40
Shorewall/Perl/Shorewall/Config.pm
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@ -1998,12 +1998,14 @@ sub evaluate_expression( $$$ ) {
while ( $expression =~ m( ^(.*?) \$({)? (\d+|[a-zA-Z_]\w*) (?(2)}) (.*)$ )x ) {
my ( $first, $var, $rest ) = ( $1, $3, $4);
if ( $var =~ /^\d+$/ ) {
$val = $var ? $actparms{$var} : $actparms{0}->{name};
} else {
$val = ( exists $variables{$var} ? $variables{$var} :
exists $actparms{$var} ? ( $var ? $actparms{$var} : $actparms{0}->{name} ) :
exists $capdesc{$var} ? have_capability( $var ) : '' );
}
$val = '' unless defined $val;
$val = "'$val'" unless ( $val =~ /^-?\d+$/ || # Value is numeric
( ( ( $first =~ tr/"/"/ ) & 1 ) || # There are an odd number of double quotes preceding the value
( ( $first =~ tr/'/'/ ) & 1 ) ) ); # There are an odd number of single quotes preceding the value
@ -2012,6 +2014,20 @@ sub evaluate_expression( $$$ ) {
directive_error( "Variable Expansion Loop" , $filename, $linenumber ) if ++$count > 100;
}
if ( $actparms{0} ) {
# $1 $2 $3 - $4
while ( $expression =~ m( ^(.*?) \@({)? (\d+|[a-zA-Z_]\w*) (?(2)}) (.*)$ )x ) {
my ( $first, $var, $rest ) = ( $1, $3, $4);
$val = $var ? $actparms{$var} : $actparms{0}->{name};
$val = '' unless defined $val;
$val = "'$val'" unless ( $val =~ /^-?\d+$/ || # Value is numeric
( ( ( $first =~ tr/"/"/ ) & 1 ) || # There are an odd number of double quotes preceding the value
( ( $first =~ tr/'/'/ ) & 1 ) ) ); # There are an odd number of single quotes preceding the value
$expression = join( '', $first, $val, $rest );
directive_error( "Variable Expansion Loop" , $filename, $linenumber ) if ++$count > 100;
}
}
# $1 $2 $3 - $4
while ( $expression =~ m( ^(.*?) __({)? (\w+) (?(2)}) (.*)$ )x ) {
my ( $first, $cap, $rest ) = ( $1, $3, $4);
@ -2578,9 +2594,10 @@ sub push_action_params( $$$$ ) {
$actparms{$i} = $val eq '-' ? '' : $val eq '--' ? '-' : $val;
}
$actparms{0} = $_[0];
$actparms{_loglevel} = $_[2];
$actparms{_logtag} = $_[3];
$actparms{0} =
$actparms{chain} = $_[0];
$actparms{loglevel} = $_[2];
$actparms{logtag} = $_[3];
\%oldparams;
}
@ -2652,13 +2669,24 @@ sub expand_variables( \$ ) {
} elsif ( exists $actparms{$var} ) {
$val = $actparms{$var};
} else {
fatal_error "Undefined shell variable (\$$var)" unless exists $config{$var};
fatal_error "Undefined shell variable (\$$var)" unless $config{ALLOWUNKNOWNVARIABLES} || exists $config{$var};
}
$val = '' unless defined $val;
$$lineref = join( '', $first , $val , $rest );
fatal_error "Variable Expansion Loop" if ++$count > 100;
}
if ( $actparms{0} ) {
# $1 $2 $3 - $4
while ( $$lineref =~ m( ^(.*?) \@({)? (\d+|[a-zA-Z_]\w*) (?(2)}) (.*)$ )x ) {
my ( $first, $var, $rest ) = ( $1, $3, $4);
my $val = $var ? $actparms{$var} : $actparms{0}->{name};
$val = '' unless defined $val;
$$lineref = join( '', $first , $val , $rest );
fatal_error "Variable Expansion Loop" if ++$count > 100;
}
}
}
sub expand_shorewallrc_variables( \$ ) {