@talanchor,
I'm taking the liberty to CC both Timo and Jeff, since this also affects
both imaptest and GMime.
On 07-08-13 14:26, . . wrote:
> It seams like dbmail fails to parse incomming message correctly, if it
> has content type "message/rfc822" with submessage with content type
> "multipart/digest".
No it doesn't. But malformed MIME is indeed not parsed as imaptest expects.
This appears to be a very recently added test in imaptest. The mime
formatting appears broken. Perhaps that's intentional.
> I've attached test files from latest imaptest
> (fetch-body-message-rfc822-mime and fetch-body-message-rfc822-mime.mbox,
Apparently, if a mime boundary ends with white-space before the newline,
it's not parsed as such by GMime. I'm eyeballing rfc2046, and I think
GMime is in the wrong here. Whitespace at the end should be allowed.
But the example message is broken in other ways:
--foo
From: m...@example.com
Subject: m1
m1 body
--foo
here, a spurious newline before a mime-part. Reading rfc2046 I'd say
that is not allowed, and indeed GMime doesn't like it. And finally:
--foo
X-Mime: m2 header
From: m...@example.com
Subject: m2
m2 body
--foo--
this definitely breaks RFC822: the end of the headers is defined by two
newlines (CRFL's), so here the rfc822 headers end after the first x-mime
header.
Normally, if 'broken' MIME is found in the wild, I'd be happy to work
around it. But here we have an artificial construct, which appears to be
aimed at exercising the tolerance of dovecot's mime parser.
It would be completely bonkers for me to work around that, just to pass
a dubious test.
--
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fetch-body-message-rfc822-mime.mbox
Description: application/mbox
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