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Make it invalid to to use a config file name as a chain name

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This commit is contained in:
Tom Eastep 2011-02-17 16:31:22 -08:00
parent b06630091d
commit 993bdc740d
2 changed files with 48 additions and 3 deletions
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6
Shorewall/Perl/Shorewall/Chains.pm
View File

@ -1344,7 +1344,7 @@ sub ensure_accounting_chain( $$$ )
$chainref->{restriction} |= $restriction;
} else {
fatal_error "Chain name ($chain) too long" if length $chain > 29;
fatal_error "Invalid Chain name ($chain)" unless $chain =~ /^[-\w]+$/ && ! $builtin_target{$chain};
fatal_error "Invalid Chain name ($chain)" unless $chain =~ /^[-\w]+$/ && ! ( $builtin_target{$chain} || $config_files{$chain} );
$chainref = new_chain 'filter' , $chain;
$chainref->{accounting} = 1;
$chainref->{referenced} = 1;
@ -1435,7 +1435,7 @@ sub new_nat_chain($) {
sub new_manual_chain($) {
my $chain = $_[0];
fatal_error "Chain name ($chain) too long" if length $chain > 29;
fatal_error "Invalid Chain name ($chain)" unless $chain =~ /^[-\w]+$/ && ! $builtin_target{$chain};
fatal_error "Invalid Chain name ($chain)" unless $chain =~ /^[-\w]+$/ && ! ( $builtin_target{$chain} || $config_files{$chain} );
fatal_error "Duplicate Chain Name ($chain)" if $targets{$chain} || $filter_table->{$chain};
$targets{$chain} = CHAIN;
( my $chainref = ensure_filter_chain( $chain, 0) )->{manual} = 1;
@ -2110,7 +2110,7 @@ sub newexclusionchain() {
sub newlogchain() {
my $seq = $chainseq++;
"log${seq}";
"~log${seq}";
}
#

45
Shorewall/Perl/Shorewall/Config.pm
View File

@ -126,6 +126,7 @@ our %EXPORT_TAGS = ( internal => [ qw( create_temp_script
$debug
%config
%globals
%config_files
F_IPV4
F_IPV6
@ -262,6 +263,50 @@ our %capdesc = ( NAT_ENABLED => 'NAT',
CAPVERSION => 'Capability Version',
KERNELVERSION => 'Kernel Version',
);
our %config_files = ( accounting => 1,
actions => 1,
blacklist => 1,
clear => 1,
ecn => 1,
findgw => 1,
hosts => 1,
init => 1,
initdone => 1,
interfaces => 1,
isusable => 1,
maclist => 1,
masq => 1,
nat => 1,
netmap => 1,
notrack => 1,
params => 1,
policy => 1,
providers => 1,
proxyarp => 1,
refresh => 1,
refreshed => 1,
restored => 1,
route_rules => 1,
routes => 1,
routestopped => 1,
rules => 1,
scfilter => 1,
secmarks => 1,
start => 1,
started => 1,
stop => 1,
stopped => 1,
tcclasses => 1,
tcclear => 1,
tcdevices => 1,
tcfilters => 1,
tcinterfaces => 1,
tcpri => 1,
tcrules => 1,
tos => 1,
tunnels => 1,
zones => 1 );
#
# Directories to search for configuration files
#