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Bug 20040 - No MPPE support in sparc-sources
Summary: No MPPE support in sparc-sources
Status: RESOLVED WONTFIX
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: Sparc Linux
: High normal (vote)
Assignee: Christian Birchinger (RETIRED)
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2003-04-27 08:18 UTC by Roderick van Domburg
Modified: 2006-02-04 06:05 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Roderick van Domburg 2003-04-27 08:18:16 UTC
The sparc-sources don't carry the OpenSSL MPPE patch, but the patched x86 
kernels do. The problems arise when one tries to create an encrypted VPN using 
pptpd.

Unfortunately, I couldn't get either the stock patch nor the Gentoo patch to 
successfully patch against sparc-sources, so I reverted to vanilla-sources.

Reproducible: Always
Steps to Reproduce:
1. Emerge sparc-sources.
2. Build an PPP-enabled kernel.
3. Install and configure pptpd.
4. Connect using a Windows client.

Actual Results:  
The Windows client fails at "Registering on the network...". pppd complains 
about a terminated LCP session when in fact it's reading encrypted garbage.

Expected Results:  
Had the patch been applied to sparc-sources, the connection would have been set 
up successfully.
Comment 1 Roderick van Domburg 2003-04-27 09:13:37 UTC
...and the patched vanilla-sources fails because of missing FPU-related symbols. :-(
Comment 2 Martin Holzer (RETIRED) gentoo-dev 2003-04-27 14:13:59 UTC
i don't who of you handles this
Comment 3 Christian Birchinger (RETIRED) gentoo-dev 2003-04-27 18:20:41 UTC
It's the first time i hear about MPPE. The other sparc devs don't seem to know it much as well. We have enough arch releated problems with sparc-source at the moment  
and i'm not willing to add such really specialzed things as a patch which only makes it worse.

Such patches also make it harder to update once a new kernel version is released.

I think at this point we should focus on really generic patches (like grsecurity for example) and ofcourse sparc specific fixes and updates.

I leave this bug open until i talked to most other devs and heard their opinion.
Comment 4 Roderick van Domburg 2003-04-27 18:59:00 UTC
I can see how stabilizing the current SPARC kernel is first and foremost. I would however like to suggest it as a high ranking feature. The ppp build in Portage is patched against MPPE by default, so I do suppose it would be consistent with Gentoo policy. :-)
Comment 5 Christian Birchinger (RETIRED) gentoo-dev 2003-06-08 07:51:05 UTC
There are currently no plans to integrate this in the sparc kernel now.