[rt-users] BUG: Corrupted binary attachments [was: RT-3.0.0 & PDF attachments]

[Jesse Vincent]

Can you poke at the database to see if it's correct as stored in the
database? (Is it being corrupted on input or output)


On Thu, Apr 10, 2003 at 08:34:18AM +0200, Jo Meder wrote:
> 
> Hi there!
> 
> From my own experience I can definitely say, that binary attachments
> have been corrupted in the web interface since we installed rt3 some
> days ago.
> 
> Here's a small example, the famous 1-pixel-GIF, first the original
> file as it was attached to the email:
> 
> 00000000   47 49 46 38  39 61 01 00  01 00 F0 00  00 00 00 00
> 00000010   00 00 00 21  F9 04 01 00  00 00 00 2C  00 00 00 00
> 00000020   01 00 01 00  40 02 02 44  01 00 3B
> 
> And now what you get when downloading this attachment from the rt3 web
> interface:
> 
> 00000000  47 49 46 38  39 61 01 00   01 00 C3 B0  00 00 00 00
> 00000010  00 00 00 00  21 C3 B9 04   01 00 00 00  00 2C 00 00
> 00000020  00 00 01 00  01 00 40 02   02 44 01 00  3B 
> 
> As you can see the byte 0xF0 at position 0x0A in the file is changed to
> 0xC3 0xB0 and the byte 0xF9 at position 0x14 is changed to 0xC3 0xB9 
> resulting in a file which is larger by two bytes and has changed
> "somewhat".
> 
> Following this hint I generated a testfile containing all bytes from
> 0x00 to 0xff. This shows, that all values from 0x80 to 0xFF are
> changed to a two-byte encoding:
> 
> 00000080  C2 80 C2 81  C2 82 C2 83   C2 84 C2 85  C2 86 C2 87
> 00000090  C2 88 C2 89  C2 8A C2 8B   C2 8C C2 8D  C2 8E C2 8F
> 000000A0  C2 90 C2 91  C2 92 C2 93   C2 94 C2 95  C2 96 C2 97
> 000000B0  C2 98 C2 99  C2 9A C2 9B   C2 9C C2 9D  C2 9E C2 9F
> 000000C0  C2 A0 C2 A1  C2 A2 C2 A3   C2 A4 C2 A5  C2 A6 C2 A7
> 000000D0  C2 A8 C2 A9  C2 AA C2 AB   C2 AC C2 AD  C2 AE C2 AF
> 000000E0  C2 B0 C2 B1  C2 B2 C2 B3   C2 B4 C2 B5  C2 B6 C2 B7
> 000000F0  C2 B8 C2 B9  C2 BA C2 BB   C2 BC C2 BD  C2 BE C2 BF
> 00000100  C3 80 C3 81  C3 82 C3 83   C3 84 C3 85  C3 86 C3 87
> 00000110  C3 88 C3 89  C3 8A C3 8B   C3 8C C3 8D  C3 8E C3 8F
> 00000120  C3 90 C3 91  C3 92 C3 93   C3 94 C3 95  C3 96 C3 97
> 00000130  C3 98 C3 99  C3 9A C3 9B   C3 9C C3 9D  C3 9E C3 9F
> 00000140  C3 A0 C3 A1  C3 A2 C3 A3   C3 A4 C3 A5  C3 A6 C3 A7
> 00000150  C3 A8 C3 A9  C3 AA C3 AB   C3 AC C3 AD  C3 AE C3 AF
> 00000160  C3 B0 C3 B1  C3 B2 C3 B3   C3 B4 C3 B5  C3 B6 C3 B7
> 00000170  C3 B8 C3 B9  C3 BA C3 BB   C3 BC C3 BD  C3 BE C3 BF
> 
> 
> 
> 	Jo.
> 
> 
> -- 
> Internetmanufaktur Jo Meder ---------------------- Berlin, Germany
> http://www.meder.de/ ------------------- fon: ++49-30-417 17 63 33
> Kollwitzstr. 75 ------------------------ fax: ++49-30-417 17 63 45
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