Re: error writing to filter (bogofilter)

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(now moving to the maildrop list)


Christian,

can you send me the dtruss files you sent to David, off-list?  They are
stripped from the bogofilter lists, so I don't have them, and I would
like to have a look at them.


Sam,

we appear to see that maildrop-on-new-MacOS does not get all data
through xfilter.  David Relson traced in- and outputs of bogofilter, and
it looks as though the stdin that bogofilter is getting is truncated at
exactly 40 kBytes.  Hints as to the problem below.

Is there a way to log more details when writing to the xfilter
socketpair or pipe (whatever it's using, I haven't read your code),
especially like name, decoded errno, and thereabouts?
(I hope I see more in dtruss output.)


This is from the bogofilter list archives:

1. David's test setup:

http://www.bogofilter.org/pipermail/bogofilter/2013-June/009970.html

I suppose that David had an additional pipe symbol in his bogofilter.sh
here, and personally, I would replace $* by "$@" to retain word
separators and avoid a second word-splitting phase on the shell:

#### BEGIN bogofilter.sh ####
tee /tmp/stdin.out | bogofilter $* -x amlt 2> /tmp/stderr.out \
| tee /tmp/stdout.out
#### END bogofilter.sh ####


2. resulting sizes on David's Linux computer in
http://www.bogofilter.org/pipermail/bogofilter/2013-June/009971.html
showing the test message to be > 320 kB.

3. Christian's resulting stdin/out/err.out sizes on MacOS X, showing
bogofilter's stdin being exactly 40960 bytes:
http://www.bogofilter.org/pipermail/bogofilter/2013-June/009972.html


4. David's conclusion at
http://www.bogofilter.org/pipermail/bogofilter/2013-June/009973.html
"Since 40k is far short of the 333,309 bytes in the problem message, I
conclude this is a MacOS specific problem -- possibly a maildrop issue,
but more likely a pipe issue. [...]"


The thread index is at
http://www.bogofilter.org/pipermail/bogofilter/2013-June/thread.html
under the same subject.

Best regards
Matthias Andree
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