Hmm, if you were serving files out of the lower mount, the headers of
the files would look the same like this... Is Apache pointed at the
upper mount?
On 9/6/07, Stefan Farestam <[EMAIL PROTECTED]> wrote:
>
>
> Hi,
>
> When using a directory encrypted with ecryptfs to serve an apache webserver
> I am only getting garbage. The bizarre thing is that I have no problem
> using the files from the encrypted directory when using other applications
> such as emacs or the openoffice tools. To add to the mystery, the files that
> are served are of identical length to the original files and they all start
> with the roughly the same sequence of bytes (dumped here using "od -c", note
> the occurrence of the strings "3DUfw" and "_CONSOLE"):
>
> file 1 (standard text file containg html):
> 0000000 \0 \0 \0 \0 \0 017 275 271 207 f p 030 273 347 307 355
> 0000020 002 \0 \0 002 \0 \0 \0 \0 001 214 - 004 \t 003 001
> 0000040 \0 021 " 3 D U f w ` V 364 326 372 366 C R
> 0000060 \v x y 275 033 @ V 5 376 225 | 236 P y 6 3
> 0000100 a , 252 366 257 ? V d z 355 026 b \b _ C O
> 0000120 N S O L E \0 \0 \0 \0 G 3 357 277 366 003 I
> 0000140 216 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0
> 0000160 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0
>
> file 2 (a tar.gz file):
> 0000000 \0 \0 \0 \0 \0 \0 002 210 ` E 231 375 \ 304 . \b
> 0000020 002 \0 \0 002 \0 \0 \0 \0 001 214 - 004 \t 003 001
> 0000040 \0 021 " 3 D U f w ` I 247 234 1 351 345 271
> 0000060 215 X 241 374 F 005 d 026 023 - { 332 \a G c 245
> 0000100 215 226 k l \a 023 342 332 n 355 026 b \b _ C O
> 0000120 N S O L E \0 \0 \0 \0 G 3 357 277 366 003 I
> 0000140 216 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0
> 0000160 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0
>
> I first thought that I observed an encoding problem of sorts, but the fact
> that two completely different files both have these mysterious sequences in
> the beginning of the file tells me that something else is going on.
>
> System info:
>
> os: Ubuntu Feisty
> kernel: 2.6.21.7 (no patches)
> ecryptfs module: from ecryptfs-20070821.tar.bz2
> ecryptfs utils: from ecryptfs-20070821.tar.bz2
>
> Thanks,
> Stefan
>
>
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>
--
Kent Yoder
IBM LTC Security Dev.
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