Re: [AMaViS-user] Strange problem with .snp files

nick wrote:

> Gary V wrote:
>>>The first 8 bytes of the file are are exactly the same as a cab file
>>>(MSCF^@^@^@^@ shows on my vim screen) so I would think file(1) being
>>>able to differentiate it from a .cab file may not look promising.
>>
>>
>> Since it really is a cab file, I guess it should not be
>> differentiated:
>>
>> ~# cabextract need_xcars.snp
>> Extracting cabinet: need_xcars.snp
>> extracting _AccRpt_.snp
>>
>> All done, no errors.
>>
>> ~# cabextract RUNHELP.CAB
>> Extracting cabinet: RUNHELP.CAB
>> extracting runhelp.inf
>>
>> All done, no errors.
>>
>> Gary V


>>
> Where does this leave me exactly?

> Will amavis be able to tell the difference between an snp and a cab, or
> will I have to allow cabs to allow snps?

This sample (same as before but only showing cab/snp) will allow files
with a name that ends in .snp no matter what type of file it really is
under the hood. If a cab file is named anything else, it will be blocked.

# allow files whose name ends in this extension:
[ qr'.\.(snp)$'i => 0 ],

# block - file type determined by file(1) utility:
qr'^\.(cab)$',

);

Gary V



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