GNU bug report logs - #31145
27.0.50; forwarding an html email in gnus mungs the headers if they contain a blank line

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Robert Marshall <robert.marshall <at> codethink.co.uk>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50;
 forwarding an html email in gnus mungs the headers if they contain a
 blank line
Date: Fri, 13 Apr 2018 14:01:55 +0100

In gnus I C-c C-f'ed an email with multiple mimeparts one of which is
html.
That email also contains a blank line with the headers

------- header section
X-Spam-Report: Content analysis details: (2.2 points)
 
  pts rule name              description

------- end of extract but more lines of headers followed

When the user received the forward those headers read:

X-Spam-Report: Content analysis details: (2.2 points)
--=====-=-=
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="=====-=-="

 
  pts rule name              description

Looks like some part of the forwarding interpreted the blank line as the
end of the headers?
If necessary I can - off list - forward an email of both the original
and the corrupted forward.

Robert


In GNU Emacs 27.0.50 (build 9, x86_64-pc-linux-gnu, GTK+ Version 2.24.31)
 of 2018-03-09 built on ct-lt-579
Repository revision: 80e145fc96765cc0a0f48ae2425294c8c92bce56
Windowing system distributor 'The X.Org Foundation', version 11.0.11902000
System Description: Debian GNU/Linux 9 (stretch)

Recent messages:
Sending via mail...
Sending email 
Sending email done
Sending...done
Checking new news...
Reading active file via nndraft...done
Checking new news...done
2:Codethink:INBOX
nnimap read 0k from mail.codethink.co.uk
Auto-saving...done

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GSETTINGS NOTIFY
GNUTLS LIBXML2 FREETYPE XFT ZLIB TOOLKIT_SCROLL_BARS GTK2 X11 THREADS
LCMS2

Important settings:
  value of $LANG: en_GB.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Article

Minor modes in effect:
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  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
/home/robertmarshall/elisp/bbdb/lisp/bbdb hides /home/robertmarshall/.emacs.d/elpa/bbdb-20170725.300/bbdb
<snip>

Features:
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ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page menu-bar rfn-eshadow isearch timer select
scroll-bar mouse jit-lock font-lock syntax facemenu font-core
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base64 format env code-pages mule custom widget hashtable-print-readable
backquote dbusbind inotify lcms2 dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)

Memory information:
((conses 16 1377922 116303)
 (symbols 48 72111 196)
 (miscs 40 2570 1882)
 (strings 32 205711 16962)
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 (vectors 16 96003)
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Message #8 received at 31145 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Robert Marshall <robert.marshall <at> codethink.co.uk>
Cc: 31145 <at> debbugs.gnu.org
Subject: Re: bug#31145: 27.0.50;
 forwarding an html email in gnus mungs the headers if they contain a
 blank line
Date: Fri, 13 Apr 2018 23:32:18 +0200

Robert Marshall <robert.marshall <at> codethink.co.uk> writes:

> If necessary I can - off list - forward an email of both the original
> and the corrupted forward.

Sure, send the copies to me.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #11 received at 31145 <at> debbugs.gnu.org (full text, mbox):

From: Robert Marshall <robert.marshall <at> codethink.co.uk>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 31145 <at> debbugs.gnu.org
Subject: Re: bug#31145: 27.0.50;
 forwarding an html email in gnus mungs the headers if they contain a
 blank line
Date: Mon, 16 Apr 2018 13:33:46 +0100

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Robert Marshall <robert.marshall <at> codethink.co.uk> writes:
>
>> If necessary I can - off list - forward an email of both the original
>> and the corrupted forward.
>
> Sure, send the copies to me.

Thanks Lars, emails have been forwarded off list

Robert

Message #14 received at 31145 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Robert Marshall <robert.marshall <at> codethink.co.uk>
Cc: 31145 <at> debbugs.gnu.org
Subject: Re: bug#31145: 27.0.50;
 forwarding an html email in gnus mungs the headers if they contain a
 blank line
Date: Mon, 16 Apr 2018 21:52:20 +0200

Robert Marshall <robert.marshall <at> codethink.co.uk> writes:

> Thanks Lars, emails have been forwarded off list

Thanks.  I put it in an nndoc group and `C-c C-f'-d it
(with (setq message-forward-as-mime t) as that's what it looked like),
and I was unable to reproduce the bug.

The line in question wasn't completely empty -- it had a space in there,
and Message seemed to heed that as a continuation line, as it should.

I'll forward it to you so that you can see.  :-)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #17 received at 31145 <at> debbugs.gnu.org (full text, mbox):

From: Robert Marshall <robert.marshall <at> codethink.co.uk>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 31145 <at> debbugs.gnu.org
Subject: Re: bug#31145: 27.0.50;
 forwarding an html email in gnus mungs the headers if they contain a
 blank line
Date: Wed, 18 Apr 2018 08:53:06 +0100

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Robert Marshall <robert.marshall <at> codethink.co.uk> writes:
>
>> Thanks Lars, emails have been forwarded off list
>
> Thanks.  I put it in an nndoc group and `C-c C-f'-d it
> (with (setq message-forward-as-mime t) as that's what it looked like),
> and I was unable to reproduce the bug.

So I see! I've seen this bug on a variety of emails normally hits me
when I'm trying to forward spammy emails (inevitably with html
components) to our spam collector.
>
> The line in question wasn't completely empty -- it had a space in there,
> and Message seemed to heed that as a continuation line, as it should.
>
> I'll forward it to you so that you can see.  :-)

Thanks, I'll look at my other settings and see if I can produce a
-Q'able test case.

Robert

Message #20 received at 31145 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Robert Marshall <robert.marshall <at> codethink.co.uk>
Cc: 31145 <at> debbugs.gnu.org
Subject: Re: bug#31145: 27.0.50;
 forwarding an html email in gnus mungs the headers if they contain a
 blank line
Date: Sat, 22 Jun 2019 15:50:27 +0200

Robert Marshall <robert.marshall <at> codethink.co.uk> writes:

>> The line in question wasn't completely empty -- it had a space in there,
>> and Message seemed to heed that as a continuation line, as it should.
>>
>> I'll forward it to you so that you can see.  :-)
>
> Thanks, I'll look at my other settings and see if I can produce a
> -Q'able test case.

Were you able to reproduce the bug?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #25 received at 31145 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Robert Marshall <robert.marshall <at> codethink.co.uk>
Cc: 31145 <at> debbugs.gnu.org
Subject: Re: bug#31145: 27.0.50; forwarding an html email in gnus mungs the
 headers if they contain a blank line
Date: Fri, 27 Sep 2019 17:21:01 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Robert Marshall <robert.marshall <at> codethink.co.uk> writes:
>
>>> The line in question wasn't completely empty -- it had a space in there,
>>> and Message seemed to heed that as a continuation line, as it should.
>>>
>>> I'll forward it to you so that you can see.  :-)
>>
>> Thanks, I'll look at my other settings and see if I can produce a
>> -Q'able test case.
>
> Were you able to reproduce the bug?

More information was requested, but no response was given within a few
months, so I'm closing this bug report.  If the problem still exists,
please reopen this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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