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firewall: Use --wait for all iptables commands.

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This commit is contained in:
Michael Tremer
2014-02-14 13:04:18 +01:00
parent cdb725da87
commit a211fee393
2 changed files with 39 additions and 35 deletions
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34
config/firewall/rules.pl
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@@ -60,7 +60,7 @@ my $blue = '';
my ($TYPE,$PROT,$SPROT,$DPROT,$SPORT,$DPORT,$TIME,$TIMEFROM,$TIMETILL,$SRC_TGT);
my $CHAIN = "FORWARDFW";
my $conexists = 'off';
my $command = 'iptables -A';
my $command = 'iptables --wait -A';
my $dnat ='';
my $snat ='';
@@ -111,7 +111,7 @@ if($param eq 'flush'){
system ("/usr/sbin/firewall-policy");
}elsif($fwdfwsettings{'POLICY'} eq 'MODE2'){
&p2pblock;
system ("iptables -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
system ("iptables --wait -A $CHAIN -m conntrack --ctstate NEW -j ACCEPT");
system ("/usr/sbin/firewall-policy");
system ("/etc/sysconfig/firewall.local reload");
}
@@ -119,11 +119,11 @@ if($param eq 'flush'){
}
sub flush
{
system ("iptables -F FORWARDFW");
system ("iptables -F INPUTFW");
system ("iptables -F OUTGOINGFW");
system ("iptables -t nat -F NAT_DESTINATION");
system ("iptables -t nat -F NAT_SOURCE");
system ("iptables --wait -F FORWARDFW");
system ("iptables --wait -F INPUTFW");
system ("iptables --wait -F OUTGOINGFW");
system ("iptables --wait -t nat -F NAT_DESTINATION");
system ("iptables --wait -t nat -F NAT_SOURCE");
}
sub preparerules
{
@@ -150,9 +150,9 @@ sub buildrules
my $icmptype;
foreach my $key (sort {$a <=> $b} keys %$hash){
next if (($$hash{$key}[6] eq 'RED' || $$hash{$key}[6] eq 'RED1') && $conexists eq 'off' );
$command="iptables -A";
$command="iptables --wait -A";
if ($$hash{$key}[28] eq 'ON'){
$command='iptables -t nat -A';
$command='iptables --wait -t nat -A';
$natip=&get_nat_ip($$hash{$key}[29],$$hash{$key}[31]);
if($$hash{$key}[31] eq 'dnat'){
$nat='DNAT';
@@ -303,7 +303,7 @@ sub buildrules
}
}
}
print "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
print "iptables --wait -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
next;
#PROCESS SNAT RULE
}elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
@@ -318,14 +318,14 @@ sub buildrules
if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
}
print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
print "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
}
#PROCESS Prot ICMP and type = All ICMP-Types
if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
print "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
}
print "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
print "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
}
}
}
@@ -387,7 +387,7 @@ sub buildrules
}
}
}
system "iptables -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
system "iptables --wait -A FORWARDFW $PROT -i $con $STAG $sourcehash{$a}[0] -d $ip $fwaccessdport $TIME -j $$hash{$key}[0]\n";
next;
#PROCESS SNAT RULE
}elsif($$hash{$key}[28] eq 'ON' && $$hash{$key}[31] eq 'snat'){
@@ -402,14 +402,14 @@ sub buildrules
if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
}
system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
system "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
}
#PROCESS Prot ICMP and type = All ICMP-Types
if ($PROT eq '-p ICMP' && $$hash{$key}[9] eq 'All ICMP-Types'){
if ($$hash{$key}[17] eq 'ON' && $$hash{$key}[28] ne 'ON'){
system "$command $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j LOG\n";
}
system "iptables -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
system "iptables --wait -A $$hash{$key}[1] $PROT $STAG $sourcehash{$a}[0] $SPORT -d $targethash{$b}[0] $DPORT $TIME -j $$hash{$key}[0]\n";
}
}
}
@@ -504,11 +504,11 @@ sub p2pblock
}
if ($MODE eq 1){
if($P2PSTRING){
print"/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
print"/sbin/iptables --wait -A FORWARDFW $CMD $P2PSTRING -j $DO\n";
}
}else{
if($P2PSTRING){
system("/sbin/iptables -A FORWARDFW $CMD $P2PSTRING -j $DO");
system("/sbin/iptables --wait -A FORWARDFW $CMD $P2PSTRING -j $DO");
}
}
}