55 lines
1.7 KiB
Perl
Executable File
55 lines
1.7 KiB
Perl
Executable File
#!/usr/bin/perl -w
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=head1 NAME
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by_host
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=head1 DESCRIPTION
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Aggregate tcpdump output by endpoint host. Source and destination are
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not distinguished.
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=cut
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use strict;
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# 15:20:56.789680 P 0:48:54:5c:4d:f1 0:0:0:0:0:1 ip 1514: wsrppp15.wsr.ac.at.1605 > 195.202.170.227.smtp: P 420284195:420285643(1448) ack 3689574287 win 32120 <nop,nop,timestamp 2363951 3391664> (DF)
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# 09:29:10.114541 In ethertype IPv4 (0x0800), length 457: 199.19.109.76.5070 > 143.130.145.221.5060: SIP, length: 413
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# 09:29:10.114541 Out ethertype IPv4 (0x0800), length 457: 199.19.109.76.5070 > 143.130.145.221.5060: SIP, length: 413
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# 09:29:10.114541 In ethertype IPv4 (0x0800), length 60: 46.137.105.92.80 > 143.130.28.14.29878: Flags [S.], seq 790291952, ack 2509176833, win 17922, options [mss 1436], length 0
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# 09:29:10.114541 Out ethertype IPv4 (0x0800), length 60: 46.137.105.92.80 > 143.130.28.14.29878: Flags [S.], seq 790291952, ack 2509176833, win 17922, options [mss 1436], length 0
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my %octets;
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while (<>) {
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if (/([\d.:]+) ([\w:]+) ([\w:]+) ip (\d+): ([-\w.]+)\.(\w+) > ([-\w.]+)\.(\w+):/) {
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# ethernet
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# print;
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# print "-> $1 $2 $3 $4 $5 $6 $7 $8\n";
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my $octets = $4;
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my $sip = $5;
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my $sport = $6;
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my $dip = $7;
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my $dport = $8;
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# print "-> proto = $proto\n";
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$octets{$sip} += $octets;
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$octets{$dip} += $octets;
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} elsif (/(In|Out) ethertype IPv[46] \(0x....\), length (\d+): ([-\w.]+)\.(\w+) > ([-\w.]+)\.(\w+):/) {
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# GRE tunnel
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my $octets = $2;
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my $sip = $3;
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my $sport = $4;
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my $dip = $5;
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my $dport = $6;
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# print "-> proto = $proto\n";
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$octets{$sip} += $octets;
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$octets{$dip} += $octets;
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}
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}
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for my $i (sort { $octets{$a} <=> $octets{$b} } keys %octets) {
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printf "%10d %s\n", $octets{$i}, $i;
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}
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#vim:sw=4
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