Configuring NETSNMP_TEMP_FILE_PATTERN

Is there any way, how to modify NETSNMP_TEMP_FILE_PATTERN without
patching net-snmp-config.h.in? Like some well-hidden argument to
../configure or so? I don't like snmptrapd putting files into /tmp
(resp. SELinux does not like it, see
http://danwalsh.livejournal.com/11467.html).

Jan

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Jan Safranek schrieb:
> Is there any way, how to modify NETSNMP_TEMP_FILE_PATTERN without
> patching net-snmp-config.h.in? Like some well-hidden argument to
> ./configure or so? I don't like snmptrapd putting files into /tmp
> (resp. SELinux does not like it, see
> http://danwalsh.livejournal.com/11467.html).

The generic approach through configure is something like:

./configure --with-cflags=-DNETSNMP_TEMP_FILE_PATTERN=xxx

Not sexy, but powerful. :-)


+Thomas

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Thomas Anders (thomas.anders at blue-cable.de)

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Thomas Anders wrote:
> Jan Safranek schrieb:
>> Is there any way, how to modify NETSNMP_TEMP_FILE_PATTERN without
>> patching net-snmp-config.h.in? Like some well-hidden argument to
>> ./configure or so? I don't like snmptrapd putting files into /tmp
>> (resp. SELinux does not like it, see
>> http://danwalsh.livejournal.com/11467.html).
>
> The generic approach through configure is something like:
>
> ./configure --with-cflags=-DNETSNMP_TEMP_FILE_PATTERN=xxx
>
> Not sexy, but powerful. :-)

I've already tried this, but snmptrapd still creates files in /tmp. And
if I patch the net-snmp-config.h.in manually, it creates it wherever I want.

There should be some #ifndef NETSNMP_TEMP_FILE_PATTERN in the .h file to
make it working...

Jan

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Jan Safranek wrote:
> I've already tried this, but snmptrapd still creates files in /tmp. And
> if I patch the net-snmp-config.h.in manually, it creates it wherever I
> want.
>
> There should be some #ifndef NETSNMP_TEMP_FILE_PATTERN in the .h file to
> make it working...

You're right. I've realized it myself shortly after hitting 'Send'.
The "--with-cflags=-D..." approach doesn't work for settings that are unconditionally defined in net-snmp-config.h, unfortunately. I agree there should be a way other than hacking net-snmp-config.h, though.


+Thomas

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Thomas Anders wrote:
> Jan Safranek wrote:
>> I've already tried this, but snmptrapd still creates files in /tmp. And
>> if I patch the net-snmp-config.h.in manually, it creates it wherever I
>> want.
>>
>> There should be some #ifndef NETSNMP_TEMP_FILE_PATTERN in the .h file to
>> make it working...
>
> You're right. I've realized it myself shortly after hitting 'Send'.
> The "--with-cflags=-D..." approach doesn't work for settings that are unconditionally defined in net-snmp-config.h, unfortunately. I agree there should be a way other than hacking net-snmp-config.h, though.

I checked in to trunk (rev. 17121) new ./configure with
--with-temp-file-pattern option, which allows users to override the
default /tmp/snmpdXXXXXX.

Would anyone mind if I put it also to 5.4.x branch?

Jan

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2008/7/24 Jan Safranek <jsafrane@redhat.com>:
> I checked in to trunk (rev. 17121) new ./configure with
> --with-temp-file-pattern option, which allows users to override the
> default /tmp/snmpdXXXXXX.
>
> Would anyone mind if I put it also to 5.4.x branch?

Seems sensible.
I've applied this patch to the three active lines,
since it's a fairly harmless change.

Dave

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