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Improve checking when MANGLE_ENABLED=No in shorewall[6].conf

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- Fatal error when a feature is used that requires the mangle table

Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2020-03-01 15:07:17 -08:00
parent dcde2bfa4a
commit 000f120c61
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GPG Key ID: 96E6B3F2423A4D10
4 changed files with 23 additions and 10 deletions
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25
Shorewall/Perl/Shorewall/Config.pm
View File

@ -162,6 +162,7 @@ our @EXPORT = qw(
have_capability
require_capability
require_mangle_capability
report_used_capabilities
kernel_version
@ -804,7 +805,7 @@ sub add_variables( \% );
# 2. The compiler can run multiple times in the same process so it has to be
# able to re-initialize its dependent modules' state.
#
sub initialize( $;$$$) {
sub initialize($;$$$) {
( $family, $export, my ( $shorewallrc, $shorewallrc1 ) ) = @_;
if ( $family == F_IPV4 ) {
@ -5267,6 +5268,16 @@ sub require_capability( $$$ ) {
fatal_error "$description require${singular} $capdesc{$capability} in your kernel and iptables" unless have_capability $capability, 1;
}
sub require_mangle_capability( $$$ ) {
my ( $capability, $description, $singular ) = @_;
if ( $config{MANGLE_ENABLED} ) {
&require_capability( @_ );
} else {
fatal_error "$description " . ( $singular ? 'is' : 'are' ) . " not available when MANGLE_ENABLED=No in $shorewallrc{product}.conf";
}
}
#
# Return Kernel Version
#
@ -6611,6 +6622,7 @@ sub get_configuration( $$$ ) {
if ( supplied $config{ACCOUNTING_TABLE} ) {
my $value = $config{ACCOUNTING_TABLE};
fatal_error "Invalid ACCOUNTING_TABLE setting ($value)" unless $value eq 'filter' || $value eq 'mangle';
fatal_error "ACCOUNTING_TABLE=mangle not allowed with MANGLE_ENABLED=No" if $value eq 'mangle' and ! $config{MANGLE_ENABLED};
} else {
$config{ACCOUNTING_TABLE} = 'filter';
}
@ -6686,7 +6698,7 @@ sub get_configuration( $$$ ) {
$config{IPSET} = '' if supplied $config{IPSET} && $config{IPSET} eq 'ipset';
require_capability 'MARK' , 'FORWARD_CLEAR_MARK=Yes', 's', if $config{FORWARD_CLEAR_MARK};
require_mangle_capability 'MARK' , 'FORWARD_CLEAR_MARK=Yes', 's', if $config{FORWARD_CLEAR_MARK};
numeric_option 'TC_BITS' , 8, 0;
numeric_option 'MASK_BITS' , 8, 0;
@ -6930,7 +6942,7 @@ sub get_configuration( $$$ ) {
if ( $config{TC_ENABLED} ) {
fatal_error "TC_ENABLED=$config{TC_ENABLED} is not allowed with MANGLE_ENABLED=No" unless $config{MANGLE_ENABLED};
require_capability 'MANGLE_ENABLED', "TC_ENABLED=$config{TC_ENABLED}", 's';
require_mangle_capability 'MANGLE_ENABLED', "TC_ENABLED=$config{TC_ENABLED}", 's';
}
if ( supplied( $val = $config{TC_PRIOMAP} ) ) {
@ -7013,9 +7025,10 @@ sub get_configuration( $$$ ) {
}
require_capability( 'MULTIPORT' , "Shorewall $globals{VERSION}" , 's' );
require_capability( 'RECENT_MATCH' , 'MACLIST_TTL' , 's' ) if $config{MACLIST_TTL};
require_capability( 'XCONNMARK' , 'HIGH_ROUTE_MARKS=Yes' , 's' ) if $config{PROVIDER_OFFSET} > 0;
require_capability( 'MANGLE_ENABLED' , 'Traffic Shaping' , 's' ) if $config{TC_ENABLED};
require_capability( 'RECENT_MATCH' , 'MACLIST_TTL' , 's' ) if $config{MACLIST_TTL};
require_mangle_capability( 'XCONNMARK' , 'HIGH_ROUTE_MARKS=Yes' , 's' ) if $config{PROVIDER_OFFSET} > 0;
require_mangle_capability( 'MANGLE_ENABLED' , 'Traffic Shaping' , 's' ) if $config{TC_ENABLED};
if ( $config{WARNOLDCAPVERSION} ) {
if ( $capabilities{CAPVERSION} ) {

2
Shorewall/Perl/Shorewall/Misc.pm
View File

@ -97,7 +97,7 @@ sub setup_ecn()
if ( my $fn = open_file 'ecn' ) {
first_entry( sub { progress_message2 "$doing $fn...";
require_capability 'MANGLE_ENABLED', 'Entries in the ecn file', '';
require_mangle_capability 'MANGLE_ENABLED', 'Entries in the ecn file', '';
warning_message 'ECN will not be applied to forwarded packets' unless have_capability 'MANGLE_FORWARD';
} );

4
Shorewall/Perl/Shorewall/Providers.pm
View File

@ -594,7 +594,7 @@ sub process_a_provider( $ ) {
unless ( $options eq '-' ) {
for my $option ( split_list $options, 'option' ) {
if ( $option eq 'track' ) {
require_capability( 'MANGLE_ENABLED' , q(The 'track' option) , 's' );
require_mangle_capability( 'MANGLE_ENABLED' , q(The 'track' option) , 's' );
$track = 1;
} elsif ( $option eq 'notrack' ) {
$track = 0;
@ -714,7 +714,7 @@ sub process_a_provider( $ ) {
$mark = ( $lastmark += ( 1 << $config{PROVIDER_OFFSET} ) ) if $mark eq '-' && $track;
if ( $mark ne '-' ) {
require_capability( 'MANGLE_ENABLED' , 'Provider marks' , '' );
require_mangle_capability( 'MANGLE_ENABLED' , 'Provider marks' , '' );
if ( $tproxy && ! $local ) {
$val = $globals{TPROXY_MARK};

2
Shorewall/Perl/Shorewall/Tc.pm
View File

@ -2455,7 +2455,7 @@ sub setup_tc( $ ) {
}
}
} elsif ( -f ( my $fn = find_file( 'tcrules' ) ) ) {
warning_message "The tcrules file is no longer supported -- use '$product update' to convert $fn to an equivalent 'mangle' file";
warning_message "The tcrules file is no longer supported -- use '$shorewallrc{product} update' to convert $fn to an equivalent 'mangle' file";
}
if ( my $fn = open_file( 'mangle', 1, 1 ) ) {