Date: Sun, 26 Aug 2012 11:16:15 +1000 From: Da Rock <freebsd-apache@herveybayaustralia.com.au> To: olli hauer <ohauer@gmx.de> Cc: freebsd-apache@freebsd.org Subject: Re: dav_lock not enabled? Message-ID: <503978DF.9080007@herveybayaustralia.com.au> In-Reply-To: <50376EA9.2030702@gmx.de> References: <503625D3.8040005@herveybayaustralia.com.au> <50363B55.2070400@gmx.de> <50364CC4.90609@herveybayaustralia.com.au> <50365344.60901@gmx.de> <5037576E.30400@herveybayaustralia.com.au> <50376EA9.2030702@gmx.de>
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On 08/24/12 22:08, olli hauer wrote: > On 2012-08-24 12:29, Da Rock wrote: >> On 08/24/12 01:59, olli hauer wrote: >>> On 2012-08-23 17:31, Da Rock wrote: >>>> On 08/24/12 00:16, olli hauer wrote: >>>>> On 2012-08-23 14:45, Da Rock wrote: >>>>>> I'm attempting to get a working webdav system going on my apache- and I'm having some issues with locking. Apparently my only means of doing this is using mod_dav_lock. And before any nay sayers pipe up, neither openoffice or libreoffice will work without it - just for starters. >>>>>> > [...] > >>> Regards, >>> olli >> Thanks Olli. I was thinking along those lines, but it was late and I was turning into a pumpkin :) Just couldn't quite get my head around all the details... >> >> Cheers for the patch - it appears to all work btw. >> > Thanks for the reports. > > I have to think if this module should be ON by default ... > > From http://httpd.apache.org/docs/2.2/mod/mod_dav_lock.html > > Summary > This module implements a generic locking API which can be used by any backend provider of mod_dav. It requires at least the service of mod_dav. *But without a backend provider which makes use of it, it's useless and should not be loaded into the server*. A sample backend module which actually utilizes mod_dav_lock is mod_dav_svn, the subversion provider module. > > *Note that mod_dav_fs does not need this generic locking module, because it uses its own more specialized version.* > > In order to make mod_dav_lock functional, you just have to specify the location of the lock database using the DavGenericLockDB directive described below. > > > So this explains why subversion can handle locks even without the module but why does libre/open-office need the module? > Shouldn't libre/open-office work properly with mod_fav_fs ?? I'm just going through this now; libreoffice has the ability to access webdav directly but because of certificate issues it won't (besides, its just not easy user wise), so I'm using wdfs to mount the store. wdfs appears to hold the key here now, I've gone through everything else. I'm looking at the logs and debug output from wdfs, and it appears to be locking, retrieving, locking again (x2), which apache is returning a 423 (normal behaviour), but wdfs is reading as somebody else has it and returns a readonly to the app. This is happening across all apps now as well. At least it is locking now, I checked this with cadaver and it appears normal with the dav_lock enabled. I'm just reviewing the code for wdfs to see why it is behaving this way; an interesting point is that locking is not enabled by default with wdfs. That causes *office to go into coniptions and misbehave, but it may be disabled due to the issues here. Wierd... can't find much in the way of support because the site is mainly in german which I can't quite read :) so I've let the author know my findings so far. See how it goes... Thanks again Olli. With regards turning on the module in the build, I'd say to just have it as an option or even just a knob that can be enabled when required. I can't imagine there'd be many users out there besides myself. Cheers
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