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#!/usr/bin/perl -w |
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|
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# this script can be run periodicly on log mail.log file to report |
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# change since last run. |
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# |
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# Dobrica Pavlinusic <dpavlin@rot13.org> |
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# |
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# Usage: parse_maillog.pl /path/to/mail.log [count_regex,count_regex,...] |
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# |
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# Results for optional count regexps will be dumped to stdout after data |
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# for number of internal mails, size of internal mails, number of |
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# external mails and size of external mails |
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# |
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# So, if you want also to count number of pop and imap accesses from your |
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# mail.log you can use: |
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# |
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# parse_maillog.pl /var/log/mail.log popd,imapd |
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# |
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# and modify your target file accordingly |
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|
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use strict; |
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|
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my $log="/var/log/mail.log"; |
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|
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# edit this to your configuration! |
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|
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my $domain='@pliva.hr'; |
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my $delta="/var/tmp/"; |
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|
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my $debug=1; |
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my $skip_delta=0; |
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|
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$log = shift @ARGV if ($ARGV[0] && -r $ARGV[0]); |
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|
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# take patterns to count (separated by ,) |
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my @count_patt = split(/,/,shift @ARGV) if (@ARGV); |
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my %count; |
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|
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# counters |
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my ($mail_int, $mail_ext) = (0,0,0,0); |
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# size |
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my ($size_int, $size_ext) = (0,0,0,0); |
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|
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open(LOG,$log) || die "can't open log '$log': $!"; |
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|
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my $tmp_log=$log; |
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$tmp_log=~s/\W/_/g; |
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$delta.=$tmp_log.".offset"; |
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|
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if (-e $delta) { |
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open(D,$delta) || die "can't open delta file '$delta' for log '$log': $!"; |
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my $offset=<D>; |
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chomp $offset; |
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close(D); |
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my $log_size = -s $log; |
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print STDERR "log size: $log_size\n" if ($debug); |
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if ($offset <= $log_size) { |
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seek(LOG,$offset,0); |
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print STDERR "skipping to position: $offset\n" if ($debug); |
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} else { |
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print STDERR "reset position to begin\n" if ($debug); |
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} |
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} |
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|
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my $lines=0; |
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|
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while(<LOG>) { |
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chomp; |
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if (m/from=[^\@]+\@[^\@]+$domain[>,]+\s+.*size=(\d+)/ || m/from=[^\@]+[,\s]+.*size=(\d+)/ ) { |
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$mail_int++; |
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$size_int+=$1; |
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} elsif (m/from=.*size=(\d+)/) { |
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$mail_ext++; |
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$size_ext+=$1; |
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} |
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foreach my $patt (@count_patt) { |
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if (m/$patt/i) { |
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$count{$patt}++; |
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} |
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} |
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$lines++; |
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} |
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|
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print STDERR "processed $lines lines...\n" if ($debug); |
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|
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if (! $skip_delta) { |
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open(D,"> $delta") || die "can't open delta file '$delta' for log '$log': $!"; |
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print D tell(LOG); |
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close(D); |
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} else { |
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print STDERR "new delta not written to file!\n"; |
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} |
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|
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print STDERR "last position in log: ".tell(LOG)."\n" if ($debug); |
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|
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print "$mail_int\n$size_int\n$mail_ext\n$size_ext\n"; |
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|
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foreach my $patt (@count_patt) { |
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print $count{$patt} || 0,"\n"; |
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} |
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