[Mimedefang] MIMEDefang 2.22-BETA-4 is available
Christoph Martin
martin at verwaltung.uni-mainz.de
Wed Oct 9 11:38:00 EDT 2002
"David F. Skoll" <dfs at roaringpenguin.com> writes:
> On 8 Oct 2002, Christoph Martin wrote:
>
> > Will these patches ever make it into the upstream version of
> > MIME-tools?
>
> The MIME-tools author has been unresponsive to me.
>
> > On Debian there is already a MIME-tools version in the system and I
> > don't want to overwrite it with this patched version.
>
> Well, if you do not, viruses may slip through, because the original
> MIME-tools contains some bugs, and does not understand RFC-2231
> encoding. If the original author is unreceptive to the patches, maybe
> the Debian people will integrate them?
Hmm, I just found out, that the Debian maintainer included a similar
patch in the latest release that came from the amavis-ng people: See
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=146448&repeatmerged=yes
--- MIME-tools-5.411/lib/MIME/Parser.pm~ Sun Nov 12 07:55:11 2000
+++ MIME-tools-5.411/lib/MIME/Parser.pm Sat Apr 27 17:48:08 2002
@@ -592,6 +592,7 @@
#
# I<Instance method.>
# Process and return the next header.
+# Return undef if, instead of a header, the encapsulation boundary is found.
# Fatal exception on failure.
#
sub process_header {
@@ -612,6 +613,10 @@
foreach (@headlines) { s/[\r\n]+\Z/\n/ } ### fold
### How did we do?
+ if ($hdr_rdr->eos_type eq 'DELIM') {
+ $self->whine("bogus part, without CRLF before body");
+ return;
+ }
($hdr_rdr->eos_type eq 'DONE') or
$self->error("unexpected end of header\n");
@@ -983,7 +988,17 @@
### Parse and add the header:
my $head = $self->process_header($in, $rdr);
- $ent->head($head);
+ if (not defined $head) {
+ $self->debug("bogus empty part");
+ $head = $self->interface('HEAD_CLASS')->new;
+ $head->mime_type('text/plain; charset=US-ASCII');
+ $ent->head($head);
+ $ent->bodyhandle($self->new_body_for($head));
+ $ent->bodyhandle->open("w")->close;
+ $self->results->level(-1);
+ return $ent;
+ }
+ $ent->head($head);
### Tweak the content-type based on context from our parent...
### For example, multipart/digest messages default to type message/rfc822:
Do you still have a patch file for download availlable? I could the
Debian maintainer to this patch.
Christoph
--
============================================================================
Christoph Martin, EDV der Verwaltung, Uni-Mainz, Germany
Internet-Mail: Christoph.Martin at Uni-Mainz.DE
Telefon: +49-6131-3926337
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