On 3 Nov 2006, at 15:50, Stephen Gran wrote:
> On Fri, Nov 03, 2006 at 03:34:15PM +0200, Brent Clark said:
>>
>> Hey all
>>
>> I just found a hole / bug in my acl for file extension handling.
>>
>> This is my current ACL
>>
>> # File extension filtering.
>> deny set acl_m1 = ${extract{-1}{.}{${lc:$mime_filename}}}
>> message = Disallowed file extension
>> log_message = REJECTED ATTACHMENT ($acl_m1) (rcpt to:
>> $recipients)
>>
>> condition = ${if match{$acl_m1}{\N^(
> [...]
>> )$\N}{1}{0}}
>
> The bug is that you start your regex expects there to be no whitespace
> between the final dot and the beginning of the extension. You'll want
> to allow optional whitespace at the beginning (and probably the
> end) of
> your regex.
Will windoze execute a file that ends in dot-space-space-space-exe ?
dosent the os see this as NOT ending in .exe
I mean the file is getting through because it does not have a .exe
extension which is Ok.
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