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Add support for future condition initial values.

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-11-29 12:15:15 -08:00
parent 7bdce1bc97
commit 409c427134
3 changed files with 32 additions and 11 deletions
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12
Shorewall-core/lib.cli
View File

@ -25,7 +25,7 @@
# loaded after this one and replaces some of the functions declared here.
#
SHOREWALL_CAPVERSION=40509
SHOREWALL_CAPVERSION=40510
[ -n "${g_program:=shorewall}" ]
@ -2114,6 +2114,7 @@ determine_capabilities() {
ACCOUNT_TARGET=
AUDIT_TARGET=
CONDITION_MATCH=
CONDITION_INIT=
IPTABLES_S=
BASIC_FILTER=
CT_TARGET=
@ -2415,7 +2416,12 @@ determine_capabilities() {
fi
qt $g_tool -A $chain -j AUDIT --type drop && AUDIT_TARGET=Yes
qt $g_tool -A $chain -m condition --condition foo && CONDITION_MATCH=Yes
if qt $g_tool -A $chain -m condition --condition foo; then
CONDITION_MATCH=Yes
qt $g_tool -A $chain -m condition --condition foo --condinit 1 && CONDITION_INIT=Yes
fi
qt $g_tool -S INPUT && IPTABLES_S=Yes
qt $g_tool -F $chain
qt $g_tool -X $chain
@ -2516,6 +2522,7 @@ report_capabilities() {
report_capability "AUDIT Target (AUDIT_TARGET)" $AUDIT_TARGET
report_capability "ipset V5 (IPSET_V5)" $IPSET_V5
report_capability "Condition Match (CONDITION_MATCH)" $CONDITION_MATCH
[ -n "$CONDITION_MATCH" ] && report_capability "Condition Initialize (CONDITION_INIT)" $CONDITION_INIT
report_capability "Statistic Match (STATISTIC_MATCH)" $STATISTIC_MATCH
report_capability "IMQ Target (IMQ_TARGET)" $IMQ_TARGET
report_capability "DSCP Match (DSCP_MATCH)" $DSCP_MATCH
@ -2626,6 +2633,7 @@ report_capabilities1() {
report_capability1 AUDIT_TARGET
report_capability1 IPSET_V5
report_capability1 CONDITION_MATCH
report_capability1 CONDITION_INIT
report_capability1 IPTABLES_S
report_capability1 BASIC_FILTER
report_capability1 CT_TARGET

21
Shorewall/Perl/Shorewall/Chains.pm
View File

@ -4662,15 +4662,18 @@ sub do_condition( $$ ) {
fatal_error "Invalid switch name ($condition)" unless $condition =~ /^[a-zA-Z][-\w]*$/ && length $condition <= 30;
my $initialization = '';
if ( defined $initialize ) {
if ( my $switchref = $switches{$condition} ) {
fatal_error "Switch $condition was previously initialized to $switchref->{setting} at $switchref->{where}" unless $switchref->{setting} == $initialize;
} else {
$initialization = "--condinit $initialize " if have_capability 'CONDITION_INIT';
$switches{$condition} = { setting => $initialize, where => currentlineinfo };
}
}
"-m condition ${invert}--condition $condition "
"-m condition ${invert}--condition $condition"
}
@ -7483,14 +7486,16 @@ sub create_stop_load( $ ) {
}
sub initialize_switches() {
if ( keys %switches ) {
emit( ' if [ $COMMAND = start ]; then' );
push_indent;
while ( my ( $switch, $setting ) = each %switches ) {
emit " echo $setting->{setting} > /proc/net/nf_condition/$switch";
unless ( have_capability 'CONDITION_INIT' ) {
if ( keys %switches ) {
emit( ' if [ $COMMAND = start ]; then' );
push_indent;
while ( my ( $switch, $setting ) = each %switches ) {
emit " echo $setting->{setting} > /proc/net/nf_condition/$switch";
}
pop_indent;
emit " fi\n";
}
pop_indent;
emit " fi\n";
}
}

10
Shorewall/Perl/Shorewall/Config.pm
View File

@ -329,6 +329,7 @@ my %capdesc = ( NAT_ENABLED => 'NAT',
AUDIT_TARGET => 'AUDIT Target',
RAWPOST_TABLE => 'Rawpost Table',
CONDITION_MATCH => 'Condition Match',
CONDITION_INIT => 'Condition Initialization',
IPTABLES_S => 'iptables -S',
BASIC_FILTER => 'Basic Filter',
CT_TARGET => 'CT Target',
@ -609,7 +610,7 @@ sub initialize( $;$$) {
KLUDGEFREE => '',
STATEMATCH => '-m state --state',
VERSION => "4.5.8-Beta2",
CAPVERSION => 40509 ,
CAPVERSION => 40510 ,
);
#
# From shorewall.conf file
@ -840,6 +841,7 @@ sub initialize( $;$$) {
ACCOUNT_TARGET => undef,
AUDIT_TARGET => undef,
CONDITION_MATCH => undef,
CONDITION_INIT => undef,
IPTABLES_S => undef,
BASIC_FILTER => undef,
CT_TARGET => undef,
@ -3440,6 +3442,10 @@ sub Condition_Match() {
qt1( "$iptables -A $sillyname -m condition --condition foo" );
}
sub Condition_Init() {
qt1( "$iptables -A $sillyname -m condition --condition foo --condinit 1" );
}
sub Audit_Target() {
qt1( "$iptables -A $sillyname -j AUDIT --type drop" );
}
@ -3509,6 +3515,7 @@ our %detect_capability =
CHECKSUM_TARGET => \&Checksum_Target,
CLASSIFY_TARGET => \&Classify_Target,
CONDITION_MATCH => \&Condition_Match,
CONDITION_INIT => \&Condition_Init,
COMMENTS => \&Comments,
CONNLIMIT_MATCH => \&Connlimit_Match,
CONNMARK => \&Connmark,
@ -3706,6 +3713,7 @@ sub determine_capabilities() {
$capabilities{AUDIT_TARGET} = detect_capability( 'AUDIT_TARGET' );
$capabilities{IPSET_V5} = detect_capability( 'IPSET_V5' );
$capabilities{CONDITION_MATCH} = detect_capability( 'CONDITION_MATCH' );
$capabilities{CONDITION_INIT} = detect_capability( 'CONDITION_INIT' );
$capabilities{IPTABLES_S} = detect_capability( 'IPTABLES_S' );
$capabilities{BASIC_FILTER} = detect_capability( 'BASIC_FILTER' );
$capabilities{CT_TARGET} = detect_capability( 'CT_TARGET' );