Date: Sun, 9 Nov 1997 11:30:02 -0800 (PST) From: Kevin Day <toasty@home.dragondata.com> To: freebsd-bugs Subject: Re: bin/4925: sendmail ignores user quotas Message-ID: <199711091930.LAA29841@hub.freebsd.org>
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The following reply was made to PR bin/4925; it has been noted by GNATS.
From: Kevin Day <toasty@home.dragondata.com>
To: vasim@diaspro.com (Vasim Valejev)
Cc: toasty@dragondata.com, freebsd-gnats-submit@FreeBSD.ORG, gnats@FreeBSD.ORG,
freebsd-bugs@hub.freebsd.org
Subject: Re: bin/4925: sendmail ignores user quotas
Date: Sun, 9 Nov 1997 13:23:37 -0600 (CST)
> Hi !
>
> On Sun, 2 Nov 1997 toasty@dragondata.com wrote:
> > >Description:
> > Users can receive mail well over their hard space limit. I'd like to be able to stop this from happening. /var/spool/mail is on it's own partition, so I thought I could apply a quota to prevent users from getting mailbombed, and also from just saving too much mail on the server.
> >
> > repquota shows the correct amount used, and will even show them going over the hard limit, but sendmail still dumps more data in their mail file.
> >
> > Is this a bug? Probably not, but it's not really consistant behavior, as nearly every other service will stop when their limit is reached.
> >
>
> It's problem in /usr/libexec/mail.local . This program open and write in
> user's mailboxes under root .
>
> > >How-To-Repeat:
> > Enable quotas, and send a ton of mail to a user with very little space left.
> > >Fix:
>
> Possible fix (not tested) for /usr/src/libexec/mail.local/mail.local.c :
>
> *** mail.local.c.orig Sat Oct 25 14:09:39 1997
> --- mail.local.c Mon Nov 3 13:24:53 1997
> ***************
> *** 266,271 ****
> --- 266,287 ----
> }
> }
>
> + if (mbfd == -1) {
> + e_to_sys(errno);
> + warn("%s: %s", path, strerror(errno));
> + return;
> + }
> +
> + close(mbfd);
> +
> + if (setuid(pw->pw_uid) < 0)
> + {
> + e_to_sys(errno);
> + warn("%d: %s", pw->pw_uid, strerror(errno));
> + return;
> + }
> +
> + mbfd = open(path, O_APPEND|O_WRONLY, 0);
> if (mbfd == -1) {
> e_to_sys(errno);
> warn("%s: %s", path, strerror(errno));
>
I'm not sure if this is related or not, but when a user over their quota got
another message, there suddenly were thousands of 'mail.local' processes
running, all trying to send mail to that user...
It had otherwise worked perfectly before.
Kevin
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