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Fix off-by-one problem

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This commit is contained in:
Tom Eastep 2009-11-27 08:56:23 -08:00
parent 7f16e96167
commit 543af8bccb
1 changed files with 2 additions and 2 deletions
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4
Shorewall/Perl/Shorewall/Zones.pm
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@ -183,7 +183,7 @@ use constant { SIMPLE_IF_OPTION => 1,
};
use constant { VIRTUAL_BASE => 0x1000000 ,
VIRTUAL_LIMIT => 0x8000000 ,
VIRTUAL_MASK => 0xf000000 ,
VIRTUAL_BITS => 4 #Bits for virtual MASK numbers
};
@ -411,7 +411,7 @@ sub process_zone( \$ ) {
$type = FIREWALL;
} elsif ( $type eq 'virtual' ) {
require_capability 'MARK_IN_FILTER' , 'virtual zones', '';
fatal_error "Too many virtual zones" if $virtualmark == VIRTUAL_LIMIT;
fatal_error "Too many virtual zones" unless $virtualmark & VIRTUAL_MASK;
$virtual = $virtualmark;
$virtualmark = $virtualmark << 1;
$type = VIRTUAL;