Recipe 2.3 Installing mod_dav on Windows

Problem

You want to enable WebDAV capabilities on your existing Apache 1.3 server with mod_dav.

Solution

Apache 2.0 includes mod_dav as a standard module, so you do not need to download and build it.

Download and unpack the mod_dav Windows package from http://webdav.org/mod_dav/win32/. Verify that your Apache installation already has the xmlparse.dll and xmltok.dll files in the ServerRoot directory; if they aren't there, check through the Apache directories to locate and copy them to the ServerRoot. mod_dav requires the Expat package, which is included with versions of the Apache web server after 1.3.9; these files hook into Expat, which mod_dav will use.

Put the mod_dav DLL file into the directory where Apache keeps its modules:

C:\>cd mod_dav-1.0.3-dev C:\mod_dav-1.0.3-dev>copy mod_dav.dll C:\Apache\modules C:\mod_dav-1.0.3-dev>cd \Apache

Add the following lines to your httpd.conf file:

LoadModule dav_module modules/mod_dav.dll

You may also need to add an AddModule line if your httpd.conf file includes a ClearModuleList directive and re-adds the other modules. Alternatively, you can insert the LoadModule for mod_dav after the ClearModuleList directive.

Discussion

mod_dav is an encapsulated and well-behaved module that is easily built and added to an existing server. To test that it has been properly installed, you need to enable some location on the server for WebDAV management and verify access to that location with some WebDAV-capable tool, or browse to it in Windows Explorer, which knows how to access WebDAV locations (as of Windows 2000), or access it from a different system where cadaver or another WebDAV tool is available.

To enable your server for WebDAV operations, you need to add at least two directives to your ServerRoot/conf/httpd.conf file. The first identifies the location of the locking database used by mod_dav to keep WebDAV operations from interfering with each other; it needs to be in a directory that is writable by the server. For example:

C:\Apache-1.3>mkdir var

Now add the following lines to your httpd.conf file to enable WebDAV:

<IfModule mod_dav.c>     DAVLockDB "C:/Apache-1.3/var/dav-lock" </IfModule>

Create a temporary directory for testing mod_dav's ability to function:

C:\Apache-1.3>mkdir htdocs\dav-test

Modify the <IfModule> container to enable WebDAV operations for this test directory:

<IfModule mod_dav.c>     DAVLockDB "C:/Apache-1.3/var/dav-lock"     <Directory "C:/Apache-1.3/htdocs/dav-test">         DAV On     </Directory> </IfModule>

Now restart your server and try accessing the /dav-test location with a WebDAV client. If you're using cadaver from another system, see Recipe 2.2for detailed instructions. If you want to use Windows Explorer to test mod_dav, read the following section.

Using Windows Explorer to test mod_dav

After enabling the htdocs\dav-test directory for WebDAV operations and restarting your server, start up Windows Explorer. Follow the steps below to access the directory using WebDAV. This can be done on the local system or on another Windows system that can access your server system.

  1. Click on Network Places.

  2. In the righthand pane of the Windows Explorer window, you should see an item named Add Network Place. Double-click on this item.

  3. When prompted for a location, enter:

    http://127.0.0.1/dav-test/

    If you are executing these steps on a different system, replace the 127.0.0.1 with the correct name of the server on which you installed mod_dav.

  4. After clicking on Next, give this location any name you like or keep the default.

  5. After completing the dialog, Windows Explorer should open a new window with the name you selected in the previous step. The window should be empty, which makes sense since the directory is.

  6. In the main Windows Explorer window, navigate to a directory (any directory) with files in it.

  7. Ctrl-drag a file (any file) from the main Windows Explorer window to the window that was opened by step 5.

  8. Windows should briefly display a progress dialog window, and then the file should appear in the destination window.

Congratulations! The file was uploaded to your web server using WebDAV.

After your testing is complete, don't forget to remove the htdocs\dav-test directory and the <Directory "C:/Apache-1.3/htdocs/dav-test"> stanza in your configuration file, or else anyone can upload files to your server.

See Also

  • Recipe 6.18

  • http://webdav.org/mod_dav/



Apache Cookbook
Apache Cookbook: Solutions and Examples for Apache Administrators
ISBN: 0596529945
EAN: 2147483647
Year: 2006
Pages: 215

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