HTML images are being removed FIXED - PATCH
Julian Field
MailScanner at ecs.soton.ac.uk
Tue Jun 24 13:45:07 IST 2008
I have already produced a fix for this problem, and am waiting for
anyone on the mailscanner-beta list to try it out.
If you mangle the URLs on the website to download 4.70.7-1 you will find
the fix is there. I just didn't want to publish it until someone had
agreed it fixed it.
But my testers all seem to be on holiday :(
Cheers,
Jules.
Richard Frovarp wrote:
> Richard Frovarp wrote:
>> Richard Frovarp wrote:
>>> I'm having a problem where the img tag in HTML messages is being
>>> removed. I'm using clamd 0.92.1, SA 3.2.5, and MS 4.70-6.1. What is
>>> interesting is they aren't being replaced with anything, they're
>>> just being completely removed.
>>>
>>> I do have this set in MS, plus I would expect it to replace, not
>>> remove:
>>> Allow WebBugs = yes
>>>
>>> Anyone have any ideas? I did switch to clamd from clamavmodule, so
>>> that may have something to do with it.
>>>
>>> Thanks,
>>> Richard
>> Okay, it's not clamd. I turned it off and I have the same problem. SA
>> shouldn't mess with, well anything. So it would appear that something
>> changed in MS between 4.61.7 and 4.70.6. I've got a diff between what
>> the MailScanner.conf file looked like before and after the upgrade. I
>> don't see anything in there that would explain this behavior.
>
> I found the problem. If DisarmWebBug is false, it skips over adding
> $text to $output, making it completely skip the tag. Since I think the
> goal of the change is to track if the signature image is found, I
> stuck an else after the DisarmWebBug test to just dump the text.
>
> --- Message.pm.bak 2008-06-23 09:30:21.000000000 -0500
> +++ Message.pm 2008-06-23 09:36:56.000000000 -0500
> @@ -6612,6 +6612,8 @@
> } else {
> $output .= $text;
> }
> + } else {
> + $output .= $text;
> }
> } elsif ($tagname eq 'base') {
> #print STDERR "It's a Base URL\n";
>
Jules
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Julian Field MEng CITP CEng
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