Review Request: Support for importing/exporting OpenVPN connections

[Ilia Kats]

> On July 23, 2011, 6:31 p.m., Lamarque Vieira Souza wrote:
> > vpnplugins/openvpn/openvpn.cpp, line 110
> > <http://git.reviewboard.kde.org/r/102059/diff/1/?file=29553#file29553line110>
> >
> >     There is no problem in adding nss-devel as dependency. Nss is also used by NetworkManager, so it is already installed. We just need to change the main CMakeLists.txt to look for it and disable openvpn importing/exporting if it is not installed and emmit a warning when that happen.
> 
> Ilia Kats wrote:
>     Do we need to change the main CMakeLists.txt, or the one of the OpenVPN plugin? Another question is if that's actually needed. The isEncrypted method is only used to set the flags for the cerficate password, but since we're calling the connection editor afterwards anyway, I think we can skip that part here, the user will then simply change the combo box as needed and the flags will be set when saving the connection. And from what I can tell (./configure --help from NM's sources) NM can be compiled with either Nss or GnuTLS, so Nss is not always installed.
> 
> Lamarque Vieira Souza wrote:
>     Actually it is vpnplugins/CMakeLists.txt, that is the one that selects which plugins are going to be compiled. The importing code must do everything automatically without user intervention, we cannot rely on user changing the combo box value before saving the configuration. If nss is not always used then we have a problem, we need to detect which one is installed and implement isEncrypted method with the one we find.

I'd still prefer keeping plugin-specific stuff in the OpenVPN-CMakeLists.txt.
The fact is, we already require user interaction by omitting any password flags, which defaults to None (saved by NM), so the combo box will be set to Store, and the user will have to change it to Not Required. If no user password is required or the certificate is unencrypted, the flags should be set to NotRequired. We could, of course, default to NotRequired for all certificates, that way not encrypted certificates would not require any interaction, while encrypted certificates, which require interaction anyway (either by typing in the password or by changing the combo box to Always ask), would require two mouse clicks more.
Oh, and Rajeesh, I noticed you changed the return type of exportConnectionSettings from void to bool, could you do that for the OpenConnect plugin, too?


- Ilia


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On July 23, 2011, 4:41 p.m., Rajeesh K Nambiar wrote:
> 
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> http://git.reviewboard.kde.org/r/102059/
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> 
> (Updated July 23, 2011, 4:41 p.m.)
> 
> 
> Review request for Network Management.
> 
> 
> Summary
> -------
> 
> Caveat emptor: There is one unresolved issue with isEncrypted() function - we need to check of key file is PKCS12 format or not. nm-applet achieves this through a call to nm_setting_802_1x_set_private_key(). I've googled a lot, and looks like there is no way to check PKCS12 file format in either Qt or KDE.
> If we are to add ad-hoc support via SEC_PKCS12DecoderStart and related functions from nss (which is what NetworkManager does), it wil introduce a new dependency on nss-devel.
> 
> 
> This addresses bug 194099.
>     http://bugs.kde.org/show_bug.cgi?id=194099
> 
> 
> Diffs
> -----
> 
>   libs/ui/vpnuiplugin.h 932d86f 
>   settings/config/manageconnectionwidget.cpp 780d50f 
>   vpnplugins/novellvpn/novellvpn.h a95926b 
>   vpnplugins/novellvpn/novellvpn.cpp 61d5519 
>   vpnplugins/openvpn/openvpn.h 4607cd5 
>   vpnplugins/openvpn/openvpn.cpp 6f126b8 
>   vpnplugins/pptp/pptp.h e513d3c 
>   vpnplugins/pptp/pptp.cpp e4efbd7 
>   vpnplugins/strongswan/strongswan.h d648217 
>   vpnplugins/strongswan/strongswan.cpp 9d4a8be 
>   vpnplugins/vpnc/vpnc.h 0b3f6db 
>   vpnplugins/vpnc/vpnc.cpp ea24cf1 
> 
> Diff: http://git.reviewboard.kde.org/r/102059/diff
> 
> 
> Testing
> -------
> 
> Only lightly tested, seems to import/export OK for sample configuration file. I don't have an OpenVPN connection, so it would be great if someone could test.
> 
> 
> Thanks,
> 
> Rajeesh
> 
>

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