blob: f038037048709429f4d323a178ff908120282612 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
#!/usr/bin/perl
use lib "/opt/vyatta/share/perl5";
use warnings;
use strict;
use Vyatta::Config;
use Vyatta::Conntrack::ConntrackUtil;
use Vyatta::IpTables::Mgr;
use Getopt::Long;
use Sys::Syslog qw(:standard :macros);
#for future
my %cmd_hash = ( 'ipv4' => 'iptables',
'ipv6' => 'ip6tables');
my $nfct = "sudo /opt/vyatta/sbin/nfct";
my ($enable_sqlnet, $disable_sqlnet, $enable_nfs, $disable_nfs);
my $CTERROR = "Conntrack error:";
GetOptions('enable_sqlnet=s' => \$enable_sqlnet,
'disable_sqlnet=s' => \$disable_sqlnet,
'disable_nfs=s' => \$disable_nfs,
'enable_nfs=s' => \$enable_nfs,
);
# subroutine to add helper rule to VYATTA_CT_HELPER chain.
sub
add_helper_to_chain {
my ($module) = @_;
my $iptables_cmd = $cmd_hash {'ipv4'};
if ($module eq 'sqlnet') {
# run_cmd (" $iptables_cmd -I VYATTA_CT_HELPER -t raw -p tcp --dport 1521 -j CT --helper oracletns ");
print " $iptables_cmd -I VYATTA_CT_HELPER -t raw -p tcp --dport 1521 -j CT --helper oracletns \n";
# run_cmd (" $iptables_cmd -I VYATTA_CT_HELPER -t raw -p tcp --dport 1525 -j CT --helper oracletns ");
print " $iptables_cmd -I VYATTA_CT_HELPER -t raw -p tcp --dport 1525 -j CT --helper oracletns \n";
} elsif ($module eq 'nfs') {
print " $iptables_cmd -I VYATTA_CT_HELPER -t raw -p tcp --dport 111 -j CT --helper nfs \n";
# run_cmd (" $iptables_cmd -I VYATTA_CT_HELPER -t raw -p tcp --dport 111 -j CT --helper nfs ");
}
}
# subroutine to delete helper rule from VYATTA_CT_HELPER chain.
sub
delete_helper_from_chain {
my ($module) = @_;
my $iptables_cmd = $cmd_hash {'ipv4'};
if ($module eq 'sqlnet') {
# run_cmd (" $iptables_cmd -D VYATTA_CT_HELPER -t raw -p tcp --dport 1521 -j CT --helper oracletns ");
print " $iptables_cmd -D VYATTA_CT_HELPER -t raw -p tcp --dport 1521 -j CT --helper oracletns \n";
# run_cmd (" $iptables_cmd -D VYATTA_CT_HELPER -t raw -p tcp --dport 1525 -j CT --helper oracletns ");
print " $iptables_cmd -D VYATTA_CT_HELPER -t raw -p tcp --dport 1525 -j CT --helper oracletns \n";
} elsif ($module eq 'nfs') {
print " $iptables_cmd -D VYATTA_CT_HELPER -t raw -p tcp --dport 111 -j CT --helper nfs \n";
# run_cmd (" $iptables_cmd -D VYATTA_CT_HELPER -t raw -p tcp --dport 111 -j CT --helper nfs ");
}
}
# should disable the required helper module
sub disable_helper_module {
my ($module) = @_;
print "disable $module\n";
delete_helper_from_chain($module);
}
# should enable the required helper module
sub enable_helper_module {
my ($module) = @_;
print "enable $module\n";
add_helper_to_chain($module);
}
if (defined $enable_sqlnet){
enable_helper_module("sqlnet");
} elsif (defined $disable_sqlnet) {
disable_helper_module("sqlnet");
} elsif (defined $enable_nfs) {
enable_helper_module("nfs");
} elsif (defined $disable_nfs) {
disable_helper_module("nfs");
}
|
