Re: how to log date/time in daemon mode?

On Saturday 29 September 2018 19:30:41 Peter Pentchev wrote:

> On Sat, Sep 29, 2018 at 02:17:55PM -0400, Gene Heskett wrote:
> > On Saturday 29 September 2018 13:10:49 Juergen Edner wrote:
> > > Hi Gene,
> > >
> > > > I was subjected to a phishing attack yesterday and again today,
> > > > and it would have been a lot easier to correlate the messages if
> > > > fetchmail was logging the time, preferably the date/time at the
> > > > end of fetching of fetching each mail. Something it is not now,
> > > > and never has done.  And I just reread the man pages without
> > > > finding a clue.
> > > >
> > > > How do I enable this so a date/time exists in the fetchmail.log?
> > >
> > > I'm using the following two commands to log the start and end of
> > > request cyle:
> > >
> > > preconnect  "echo 'fetchmail: awakened at '`date +'%a, %d %b %G
> > > %H:%M:%S (%Z)'`"
> > >
> > > postconnect "echo 'fetchmail: sleeping at '`date +'%a, %d %b %G
> > > %H:%M:%S (%Z)'` for xxx seconds
> >
> > THis would triple the size of the log in terms of line count. What I
> > would really like to do is convert the single log line:
> >
> > fetchmail: reading message [email protected]@pop.shentel.net:1 of
> > 1 (8044 octets) flushed
> >
> > to:
> >
> > fetchmail: reading message [email protected]@pop.shentel.net:1 of
> > 1 (8044 octets) flushed 09/27/18 14;51.28
>
> This could be done if you pipe fetchmail's output through some other
> program that puts a timestamp on each line; multilog, the log
> processor from the daemontools package, comes to mind,
Got that, but will try to understand the manpage tomorrow

Thank you.

> but in a pinch 
> this might be done with a small dedicated program, maybe something
> like this:
>
> #!/usr/bin/perl
>
> use 5.012;
> use strict;
> use warnings;
>
> use POSIX qw(strftime);
>
> while (<>) {
> 	print strftime('%Y-%m-%d %H:%M:%S', localtime)." $_";
> }
>
> ...or even something like:
>
> #!/bin/sh
>
> while read line; do
> 	printf '%s %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$line"
> done
>
> But, yes, I do see your point that fetchmail could also do it by
> itself, although sometimes chaining a couple of tools is a good
> approach.
>
> G'luck,
> Peter



-- 
Cheers, Gene Heskett
--
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