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Clean up of Chains.pm

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2018-12-14 10:59:31 -08:00
parent 7cfe9ec272
commit 467544801e
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1 changed files with 35 additions and 22 deletions
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57
Shorewall/Perl/Shorewall/Chains.pm
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@ -431,13 +431,14 @@ our $VERSION = 'MODULEVERSION';
# Untracked - =<z1-z2>
#
our %chain_table;
our $raw_table;
our $nat_table;
our $mangle_table;
our $filter_table;
our $export;
our %renamed;
our %nfobjects;
our $raw_table; # Reference to $chain_table{raw}
our $nat_table; # Reference to $chain_table{nat}
our $mangle_table; # Reference to $chain_table{mangle}
our $filter_table; # Reference to $chain_table{filter}
our $export; # True if we are compiling for export
our %renamed; # Maps chain renaming during optimization
our %nfobjects; # Records nfacct objects
#
# Target Types
@ -465,10 +466,10 @@ use constant { STANDARD => 0x1, #defined by Netfilter
IPTABLES => 0x100000, #IPTABLES or IP6TABLES
TARPIT => 0x200000, #TARPIT
FILTER_TABLE => 0x1000000,
MANGLE_TABLE => 0x2000000,
RAW_TABLE => 0x4000000,
NAT_TABLE => 0x8000000,
FILTER_TABLE => 0x1000000, #Target allowed in the filter table
MANGLE_TABLE => 0x2000000, #Target allowed in the mangle table
RAW_TABLE => 0x4000000, #Target allowed in the raw table
NAT_TABLE => 0x8000000, #Target allowed in the nat table
};
#
# Valid Targets -- value is a combination of one or more of the above
@ -687,15 +688,15 @@ our %ipset_exists;
#
# The following constants and hash are used to classify keys in a rule hash
#
use constant { UNIQUE => 1,
TARGET => 2,
EXCLUSIVE => 4,
MATCH => 8,
CONTROL => 16,
COMPLEX => 32,
NFACCT => 64,
EXPENSIVE => 128,
RECENT => 256,
use constant { UNIQUE => 1, # Simple header matches - only allowed once per rule
TARGET => 2, # Rule target or its options
EXCLUSIVE => 4, # 'state' or 'conntrack --ctstate'
MATCH => 8, # Currently means 'policy ...'
CONTROL => 16, # Unsed internally by the compiler - does not contribute to the iptables rule
COMPLEX => 32, # Currently means 'contrack --cstate'
NFACCT => 64, # nfacct match
EXPENSIVE => 128, # Has high rule-processing cost in the kernel
RECENT => 256, # recent match
};
our %opttype = ( rule => CONTROL,
@ -741,6 +742,9 @@ our %opttype = ( rule => CONTROL,
targetopts => TARGET,
);
#
# These allow the user to specify long option names in raw ip[6]tables input
#
our %aliases = ( protocol => 'p',
source => 's',
destination => 'd',
@ -760,7 +764,7 @@ our %isocodes;
use constant { ISODIR => '/usr/share/xt_geoip/LE' };
our %switches;
our %switches; # Recoreds switches (conditions)
#
# Rather than initializing globals in an INIT block or during declaration,
@ -786,7 +790,9 @@ sub initialize( $$$ ) {
$filter_table = $chain_table{filter};
%renamed = ();
#
# Used to sequence chain names in each table.
# Used to sequence chain names in each table. $hard is true on the initial call to this function and
# false, when this function is called a second time to re-initialize before generating stopped ip[6]tables-
# restore input
#
%chainseq = () if $hard;
#
@ -1746,6 +1752,10 @@ sub add_rule($$;$) {
#
# New add_rule implementation
#
#
# Push a set of matches into an irule (a rule using the new hash representation)
#
sub push_matches {
my $ruleref = shift;
@ -1912,6 +1922,9 @@ sub compare_values( $$ ) {
}
}
#
# Add an irule with matches but no target
#
sub add_irule( $;@ ) {
my ( $chainref, @matches ) = @_;