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Merge pull request #196 from X-Ander/ss 

use 'ss' if available in Linux instead of 'netstat'
This commit is contained in:
Jordi Sanfeliu 2018-01-22 11:32:22 +01:00 committed by GitHub
parent 89ed14b174 5e4bbc494e
commit 85955397c8
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 104 additions and 53 deletions
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157
lib/netstat.pm
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@ -179,65 +179,116 @@ sub netstat_update {
my $rrdata = "N";
if($config->{os} eq "Linux") {
if(open(IN, "netstat -tn -A inet |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i4_closed++ if trim($last) eq "CLOSED";
$i4_synsent++ if trim($last) eq "SYN_SENT";
$i4_synrecv++ if trim($last) eq "SYN_RECV";
$i4_estblshd++ if trim($last) eq "ESTABLISHED";
$i4_finwait1++ if trim($last) eq "FIN_WAIT1";
$i4_finwait2++ if trim($last) eq "FIN_WAIT2";
$i4_closing++ if trim($last) eq "CLOSING";
$i4_timewait++ if trim($last) eq "TIME_WAIT";
$i4_closewait++ if trim($last) eq "CLOSE_WAIT";
$i4_lastack++ if trim($last) eq "LAST_ACK";
$i4_unknown++ if trim($last) eq "UNKNOWN";
if (`which ss`) {
if(open(IN, "ss -Hna -f inet |")) {
while(<IN>) {
m/^(\S+)\s+(\S+)/;
my $proto = $1 || '';
my $state = $2 || '';
if ($proto eq 'tcp') {
if ($state eq "LISTEN") { $i4_listen++ }
elsif ($state eq "ESTAB") { $i4_estblshd++ }
elsif ($state eq "TIME-WAIT") { $i4_timewait++ }
elsif ($state eq "CLOSE-WAIT") { $i4_closewait++ }
elsif ($state eq "FIN-WAIT1") { $i4_finwait1++ }
elsif ($state eq "FIN-WAIT2") { $i4_finwait2++ }
elsif ($state eq "SYN-SENT") { $i4_synsent++ }
elsif ($state eq "SYN-RECV") { $i4_synrecv++ }
elsif ($state eq "CLOSING") { $i4_closing++ }
elsif ($state eq "LAST-ACK") { $i4_lastack++ }
elsif ($state eq "UNCONN") { $i4_closed++ }
elsif ($state eq "UNKNOWN") { $i4_unknown++ }
} elsif ($proto eq 'udp') {
$i4_udp++;
}
}
close(IN);
}
close(IN);
}
if(open(IN, "netstat -ltn -A inet |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i4_listen++ if trim($last) eq "LISTEN";
if(open(IN, "ss -Hna -f inet6 |")) {
while(<IN>) {
m/^(\S+)\s+(\S+)/;
my $proto = $1 || '';
my $state = $2 || '';
if ($proto eq 'tcp') {
if ($state eq "LISTEN") { $i6_listen++ }
elsif ($state eq "ESTAB") { $i6_estblshd++ }
elsif ($state eq "TIME-WAIT") { $i6_timewait++ }
elsif ($state eq "CLOSE-WAIT") { $i6_closewait++ }
elsif ($state eq "FIN-WAIT1") { $i6_finwait1++ }
elsif ($state eq "FIN-WAIT2") { $i6_finwait2++ }
elsif ($state eq "SYN-SENT") { $i6_synsent++ }
elsif ($state eq "SYN-RECV") { $i6_synrecv++ }
elsif ($state eq "CLOSING") { $i6_closing++ }
elsif ($state eq "LAST-ACK") { $i6_lastack++ }
elsif ($state eq "UNCONN") { $i6_closed++ }
elsif ($state eq "UNKNOWN") { $i6_unknown++ }
} elsif ($proto eq 'udp') {
$i6_udp++;
}
}
close(IN);
}
close(IN);
}
if(open(IN, "netstat -lun -A inet |")) {
while(<IN>) {
$i4_udp++ if /^udp\s+/;
} else {
if(open(IN, "netstat -tn -A inet |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i4_closed++ if trim($last) eq "CLOSED";
$i4_synsent++ if trim($last) eq "SYN_SENT";
$i4_synrecv++ if trim($last) eq "SYN_RECV";
$i4_estblshd++ if trim($last) eq "ESTABLISHED";
$i4_finwait1++ if trim($last) eq "FIN_WAIT1";
$i4_finwait2++ if trim($last) eq "FIN_WAIT2";
$i4_closing++ if trim($last) eq "CLOSING";
$i4_timewait++ if trim($last) eq "TIME_WAIT";
$i4_closewait++ if trim($last) eq "CLOSE_WAIT";
$i4_lastack++ if trim($last) eq "LAST_ACK";
$i4_unknown++ if trim($last) eq "UNKNOWN";
}
close(IN);
}
close(IN);
}
if(open(IN, "netstat -tn -A inet6 |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i6_closed++ if trim($last) eq "CLOSED";
$i6_synsent++ if trim($last) eq "SYN_SENT";
$i6_synrecv++ if trim($last) eq "SYN_RECV";
$i6_estblshd++ if trim($last) eq "ESTABLISHED";
$i6_finwait1++ if trim($last) eq "FIN_WAIT1";
$i6_finwait2++ if trim($last) eq "FIN_WAIT2";
$i6_closing++ if trim($last) eq "CLOSING";
$i6_timewait++ if trim($last) eq "TIME_WAIT";
$i6_closewait++ if trim($last) eq "CLOSE_WAIT";
$i6_lastack++ if trim($last) eq "LAST_ACK";
$i6_unknown++ if trim($last) eq "UNKNOWN";
if(open(IN, "netstat -ltn -A inet |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i4_listen++ if trim($last) eq "LISTEN";
}
close(IN);
}
close(IN);
}
if(open(IN, "netstat -ltn -A inet6 |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i6_listen++ if trim($last) eq "LISTEN";
if(open(IN, "netstat -lun -A inet |")) {
while(<IN>) {
$i4_udp++ if /^udp\s+/;
}
close(IN);
}
close(IN);
}
if(open(IN, "netstat -lun -A inet6 |")) {
while(<IN>) {
$i6_udp++ if /^udp[ 6]\s+/;
if(open(IN, "netstat -tn -A inet6 |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i6_closed++ if trim($last) eq "CLOSED";
$i6_synsent++ if trim($last) eq "SYN_SENT";
$i6_synrecv++ if trim($last) eq "SYN_RECV";
$i6_estblshd++ if trim($last) eq "ESTABLISHED";
$i6_finwait1++ if trim($last) eq "FIN_WAIT1";
$i6_finwait2++ if trim($last) eq "FIN_WAIT2";
$i6_closing++ if trim($last) eq "CLOSING";
$i6_timewait++ if trim($last) eq "TIME_WAIT";
$i6_closewait++ if trim($last) eq "CLOSE_WAIT";
$i6_lastack++ if trim($last) eq "LAST_ACK";
$i6_unknown++ if trim($last) eq "UNKNOWN";
}
close(IN);
}
if(open(IN, "netstat -ltn -A inet6 |")) {
while(<IN>) {
my $last = (split(' ', $_))[-1];
$i6_listen++ if trim($last) eq "LISTEN";
}
close(IN);
}
if(open(IN, "netstat -lun -A inet6 |")) {
while(<IN>) {
$i6_udp++ if /^udp[ 6]\s+/;
}
close(IN);
}
close(IN);
}
} elsif(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD")) {
if(open(IN, "netstat -na -p tcp -f inet |")) {