From: Jani Nikula <jani@nikula.org>
To: Austin Clements <amdragon@mit.edu>
Cc: notmuch@notmuchmail.org
Subject: Re: [PATCH] emacs: fix MML quoting in replies
Date: Thu, 15 Mar 2012 08:33:21 +0200 [thread overview]
Message-ID: <CAB+hUn8FJ-=CA1JZoYMzH0-E+S9Y75TPqgb1w6YKFuU6=S2Xqw@mail.gmail.com> (raw)
In-Reply-To: <87k42momyi.fsf@awakening.csail.mit.edu>
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On Mar 15, 2012 12:08 AM, "Austin Clements" <amdragon@mit.edu> wrote:
>
> On Sun, 4 Mar 2012 10:25:38 +0200, Jani Nikula <jani@nikula.org> wrote:
> > The reply MML quoting added in commit ae438cc unintentionally MML
> > quotes also the signature/encryption MML tags added via
> > message-setup-hook, causing the reply not to be signed/encrypted.
> >
> > MML quote just the original message in the temp buffer before
> > inserting it to the message buffer, to not interfere with message mode
> > hooks or message construction in general.
> >
> > See [1] and [2] for bug reports.
> >
> > Thanks to Tim Bielawa <tbielawa@redhat.com> for testing.
> >
> > [1] id:"87hay78x6l.fsf@wyzanski.jamesvasile.com"
> > [2] id:"1330812262-28272-1-git-send-email-tbielawa@redhat.com".
> >
> > Signed-off-by: Jani Nikula <jani@nikula.org>
> > ---
> > emacs/notmuch-mua.el | 10 ++++------
> > 1 files changed, 4 insertions(+), 6 deletions(-)
> >
> > diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
> > index 4be7c13..13244eb 100644
> > --- a/emacs/notmuch-mua.el
> > +++ b/emacs/notmuch-mua.el
> > @@ -95,6 +95,9 @@ list."
> > (goto-char (point-min))
> > (setq headers (mail-header-extract)))))
> > (forward-line 1)
> > + ;; Original message may contain (malicious) MML tags. We must
> > + ;; properly quote them in the reply.
> > + (mml-quote-region (point) (point-max))
>
> Under what circumstances can the (re-search-forward "^$" nil t) above
> this code fail? If it does fail, is it possible for the (forward-line 1)
> to move past an adversary-controlled line of text and fail to quote that
> line?
It doesn't matter. The quoting is done between point and point-max, and the
message body to cite is extracted right after quoting using: (setq body
(buffer-substring (point) (point-max)))).
BR,
Jani.
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prev parent reply other threads:[~2012-03-15 6:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-03 22:04 [PATCH] Fix mml-quoting in responses where pgp-signing is enabled Tim Bielawa
2012-03-03 23:17 ` Tim Bielawa
2012-03-03 23:36 ` Jani Nikula
2012-03-04 1:12 ` Tim Bielawa
2012-03-04 8:25 ` [PATCH] emacs: fix MML quoting in replies Jani Nikula
2012-03-05 0:41 ` Mark Walters
2012-03-10 14:57 ` Tomi Ollila
2012-03-11 1:50 ` David Bremner
2012-03-14 22:08 ` Austin Clements
2012-03-15 6:33 ` Jani Nikula [this message]
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