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+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.4</a> &gt; <a href="./">Modules</a></div>
+<div id="page-content">
+<div id="preamble"><h1>Apache Module mod_authz_owner</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_authz_owner.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../fr/mod/mod_authz_owner.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
+<a href="../ja/mod/mod_authz_owner.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
+<a href="../ko/mod/mod_authz_owner.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
+</div>
+<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Authorization based on file ownership</td></tr>
+<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>authz_owner_module</td></tr>
+<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_authz_owner.c</td></tr>
+<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.1 and later</td></tr></table>
+<h3>Summary</h3>
+
+ <p>This module authorizes access to files by comparing the userid used
+ for HTTP authentication (the web userid) with the file-system owner or
+ group of the requested file. The supplied username and password
+ must be already properly verified by an authentication module,
+ such as <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code> or
+ <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code>. <code class="module"><a href="../mod/mod_authz_owner.html">mod_authz_owner</a></code>
+ recognizes two arguments for the <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code> directive, <code>file-owner</code> and
+ <code>file-group</code>, as follows:</p>
+
+ <dl>
+ <dt><code>file-owner</code></dt>
+ <dd>The supplied web-username must match the system's name for the
+ owner of the file being requested. That is, if the operating system
+ says the requested file is owned by <code>jones</code>, then the
+ username used to access it through the web must be <code>jones</code>
+ as well.</dd>
+
+ <dt><code>file-group</code></dt>
+ <dd>The name of the system group that owns the file must be present
+ in a group database, which is provided, for example, by <code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> or <code class="module"><a href="../mod/mod_authz_dbm.html">mod_authz_dbm</a></code>,
+ and the web-username must be a member of that group. For example, if
+ the operating system says the requested file is owned by (system)
+ group <code>accounts</code>, the group <code>accounts</code> must
+ appear in the group database and the web-username used in the request
+ must be a member of that group.</dd>
+ </dl>
+
+ <div class="note"><h3>Note</h3>
+ <p>If <code class="module"><a href="../mod/mod_authz_owner.html">mod_authz_owner</a></code> is used in order to authorize
+ a resource that is not actually present in the filesystem
+ (<em>i.e.</em> a virtual resource), it will deny the access.</p>
+
+ <p>Particularly it will never authorize <a href="../content-negotiation.html#multiviews">content negotiated
+ "MultiViews"</a> resources.</p>
+ </div>
+</div>
+<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3>
+<ul id="topics">
+<li><img alt="" src="../images/down.gif" /> <a href="#examples">Configuration Examples</a></li>
+</ul><h3 class="directives">Directives</h3>
+<p>This module provides no
+ directives.</p>
+<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_authz_owner">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_authz_owner">Report a bug</a></li></ul><h3>See also</h3>
+<ul class="seealso">
+<li><code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code></li>
+<li><a href="#comments_section">Comments</a></li></ul></div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="examples" id="examples">Configuration Examples</a></h2>
+
+ <h3><a name="examples.file-owner" id="examples.file-owner">Require file-owner</a></h3>
+ <p>Consider a multi-user system running the Apache Web server, with
+ each user having his or her own files in <code>~/public_html/private</code>. Assuming that there is a single
+ <code class="directive"><a href="../mod/mod_authn_dbm.html#authdbmuserfile">AuthDBMUserFile</a></code> database
+ that lists all of their web-usernames, and that these usernames match
+ the system's usernames that actually own the files on the server, then
+ the following stanza would allow only the user himself access to his
+ own files. User <code>jones</code> would not be allowed to access
+ files in <code>/home/smith/public_html/private</code> unless they
+ were owned by <code>jones</code> instead of <code>smith</code>.</p>
+
+ <pre class="prettyprint lang-config">&lt;Directory "/home/*/public_html/private"&gt;
+ AuthType Basic
+ AuthName MyPrivateFiles
+ AuthBasicProvider dbm
+ AuthDBMUserFile "/usr/local/apache2/etc/.htdbm-all"
+ Require file-owner
+&lt;/Directory&gt;</pre>
+
+
+
+ <h3><a name="examples.file-group" id="examples.file-group">Require file-group</a></h3>
+ <p>Consider a system similar to the one described above, but with
+ some users that share their project files in
+ <code>~/public_html/project-foo</code>. The files are owned by the
+ system group <code>foo</code> and there is a single <code class="directive"><a href="../mod/mod_authz_dbm.html#authdbmgroupfile">AuthDBMGroupFile</a></code> database that
+ contains all of the web-usernames and their group membership,
+ <em>i.e.</em> they must be at least member of a group named
+ <code>foo</code>. So if <code>jones</code> and <code>smith</code>
+ are both member of the group <code>foo</code>, then both will be
+ authorized to access the <code>project-foo</code> directories of
+ each other.</p>
+
+ <pre class="prettyprint lang-config">&lt;Directory "/home/*/public_html/project-foo"&gt;
+ AuthType Basic
+ AuthName "Project Foo Files"
+ AuthBasicProvider dbm
+
+ # combined user/group database
+ AuthDBMUserFile "/usr/local/apache2/etc/.htdbm-all"
+ AuthDBMGroupFile "/usr/local/apache2/etc/.htdbm-all"
+
+ Satisfy All
+ Require file-group
+&lt;/Directory&gt;</pre>
+
+
+</div>
+</div>
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+<p><span>Available Languages: </span><a href="../en/mod/mod_authz_owner.html" title="English">&nbsp;en&nbsp;</a> |
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+<a href="../ja/mod/mod_authz_owner.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
+<a href="../ko/mod/mod_authz_owner.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
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