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Check for invalid exclusion

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@6014 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep 2007-04-19 00:49:38 +00:00
parent ecaa0cec33
commit c7cae95aaa
1 changed files with 9 additions and 0 deletions
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9
Shorewall-perl/Shorewall/Chains.pm
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@ -1256,6 +1256,8 @@ sub expand_rule( $$$$$$$$$$ )
$origdest = '';
} else {
fatal_error "Invalid ORIGINAL DEST" if $origdest =~ /^([^!]+)?,!([^!]+)$/;
if ( $origdest =~ /^([^!]+)?!([^!]+)$/ ) {
#
# Exclusion
@ -1283,6 +1285,8 @@ sub expand_rule( $$$$$$$$$$ )
# Determine if there is Source Exclusion
#
if ( $inets ) {
fatal_error "Invalid SOURCE" if $inets =~ /^([^!]+)?,!([^!]+)$/;
if ( $inets =~ /^([^!]+)?!([^!]+)$/ ) {
$inets = $1;
$iexcl = $2;
@ -1296,6 +1300,7 @@ sub expand_rule( $$$$$$$$$$ )
$rule .= match_source_net "!$iexcl ";
$iexcl = '';
}
}
} else {
$iexcl = '';
@ -1305,6 +1310,8 @@ sub expand_rule( $$$$$$$$$$ )
# Determine if there is Destination Exclusion
#
if ( $dnets ) {
fatal_error "Invalid DEST" if $inets =~ /^([^!]+)?,!([^!]+)$/;
if ( $dnets =~ /^([^!]+)?!([^!]+)$/ ) {
$dnets = $1;
$dexcl = $2;
@ -1331,6 +1338,8 @@ sub expand_rule( $$$$$$$$$$ )
#
# We have non-trivial exclusion -- need to create an exclusion chain
#
fatal_error "Exclusion is not possible in CONTINUE rules" if $disposition eq 'RETURN';
my $echain = newexclusionchain;
#