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Mac OS X 10.5.2 & WebDAV client authentification by a client certificate

Hi,

I've set up an Apache2 WebDAV & Web server which is only accessible by https and for clients authenticating themselfes by a suitable client certificate. My question is regarding the WebDAV client of the Mac I use to accesss the WebDAV server: When I try `Go To' -> `Connect to Server'in the Finder, the connection gets refused with error -50. In the console log I see:

09.05.08 13:03:15 webdavfs_agent[21544] (result == 0 ) failed with 1; No such file or directory; file: /SourceCache/webdavfs/webdavfs-252/mount.tproj/webdav_agent.c; line: 314

I've installed the client certificate into the keychain (including the CA certificate I used for self-signing the client certificate), but to my impression, it looks as if the Finder (or, to be more exact, the webdavfs agent/mountwebdav process) does not care for sending the client certificate when the WebDAV server requests this, and therefore the server terminates the connection. I've also set up a certificate association for the server and client certificate into the key chain, but this shows also no result.

Importing the client certificate into Firefox works perfect, I can access the Web pages on the same server without problems (Web page access is also protected by the same client certificate), so obviously Firefox shows the right certificate when accessing the server. And, BTW, WebDAV access with client certificates works also from Windows XP's File Explorer ...

My questions:

Does the Mac OS X 10.5.2 WebDAV client support client authentification by client certificates?

(If not, why not?)-:

If yes, are there possibilities to debug the (failed) connection in more depth, i.e. to find out if the WebDAV client sends a client certificate to the WebDAV server?

Are there 3rd party WebDAV clients for Mac OS X 10.5.2, which are able to do authentication by a client certificate?

(I tried to compile davfs2 on Darwin, but the OS interface used by davfs2 differs considerably from Darwin).

Viele Grüße,
Heiko

MacBook Pro, Mac OS X (10.5.2), OpenSSL 0.9.7m 23 Feb 2007

Posted on May 9, 2008 4:29 AM

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Mac OS X 10.5.2 & WebDAV client authentification by a client certificate

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