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| <title>mod_env - Apache HTTP Server</title> |
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| <p class="apache">Apache HTTP Server Version 2.3</p> |
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| <div id="preamble"><h1>Apache Module mod_env</h1> |
| <div class="toplang"> |
| <p><span>Available Languages: </span><a href="../en/mod/mod_env.html" title="English"> en </a> | |
| <a href="../fr/mod/mod_env.html" hreflang="fr" rel="alternate" title="Français"> fr </a> | |
| <a href="../ja/mod/mod_env.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | |
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| </div> |
| <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Modifies the environment which is passed to CGI scripts and |
| SSI pages</td></tr> |
| <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> |
| <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>env_module</td></tr> |
| <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_env.c</td></tr></table> |
| <h3>Summary</h3> |
| |
| <p>This module allows for control of internal environment variables that |
| are used by various Apache HTTP Server modules. These variables are also |
| provided to CGI scripts as native system environment variables, and available |
| for use in SSI pages. Environment variables may be passed from the shell |
| which invoked the <code class="program"><a href="../programs/httpd.html">httpd</a></code> process. Alternatively, |
| environment variables may be set or unset within the configuration process.</p> |
| </div> |
| <div id="quickview"><h3 class="directives">Directives</h3> |
| <ul id="toc"> |
| <li><img alt="" src="../images/down.gif" /> <a href="#passenv">PassEnv</a></li> |
| <li><img alt="" src="../images/down.gif" /> <a href="#setenv">SetEnv</a></li> |
| <li><img alt="" src="../images/down.gif" /> <a href="#unsetenv">UnsetEnv</a></li> |
| </ul> |
| <h3>See also</h3> |
| <ul class="seealso"> |
| <li><a href="../env.html">Environment Variables</a></li> |
| <li><code class="directive"><a href="../mod/mod_setenvif.html#setenvif">SetEnvIf</a></code></li> |
| </ul></div> |
| |
| <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> |
| <div class="directive-section"><h2><a name="PassEnv" id="PassEnv">PassEnv</a> <a name="passenv" id="passenv">Directive</a></h2> |
| <table class="directive"> |
| <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Passes environment variables from the shell</td></tr> |
| <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>PassEnv <var>env-variable</var> [<var>env-variable</var>] |
| ...</code></td></tr> |
| <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> |
| <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr> |
| <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> |
| <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr> |
| </table> |
| <p>Specifies one or more native system environment variables to make available |
| as internal environment variables, which are available to Apache HTTP Server modules |
| as well as propogated to CGI scripts and SSI pages. Values come from the |
| native OS environment of the shell which invoked the |
| <code class="program"><a href="../programs/httpd.html">httpd</a></code> process.</p> |
| |
| <div class="example"><h3>Example</h3><p><code> |
| PassEnv LD_LIBRARY_PATH |
| </code></p></div> |
| |
| </div> |
| <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> |
| <div class="directive-section"><h2><a name="SetEnv" id="SetEnv">SetEnv</a> <a name="setenv" id="setenv">Directive</a></h2> |
| <table class="directive"> |
| <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets environment variables</td></tr> |
| <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>SetEnv <var>env-variable</var> <var>value</var></code></td></tr> |
| <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> |
| <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr> |
| <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> |
| <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr> |
| </table> |
| <p>Sets an internal environment variable, which is then available to Apache |
| HTTP Server modules, and passed on to CGI scripts and SSI pages.</p> |
| |
| <div class="example"><h3>Example</h3><p><code> |
| SetEnv SPECIAL_PATH /foo/bin |
| </code></p></div> |
| |
| <div class="note"><p>The internal environment variables set by this directive are set |
| <em>after</em> most early request processing directives are run, such as access |
| control and URI-to-filename mapping. If the environment variable you're |
| setting is meant as input into this early phase of processing such as the |
| <code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code> directive, you should |
| instead set the environment variable with |
| <code class="directive"><a href="../mod/mod_setenvif.html# setenvif"> SetEnvIf</a></code>.</p> |
| </div> |
| |
| |
| <h3>See also</h3> |
| <ul> |
| <li><a href="../env.html">Environment Variables</a></li> |
| </ul> |
| </div> |
| <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> |
| <div class="directive-section"><h2><a name="UnsetEnv" id="UnsetEnv">UnsetEnv</a> <a name="unsetenv" id="unsetenv">Directive</a></h2> |
| <table class="directive"> |
| <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Removes variables from the environment</td></tr> |
| <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>UnsetEnv <var>env-variable</var> [<var>env-variable</var>] |
| ...</code></td></tr> |
| <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> |
| <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr> |
| <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> |
| <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr> |
| </table> |
| <p>Removes one or more internal environment variables from those passed |
| on to CGI scripts and SSI pages.</p> |
| |
| <div class="example"><h3>Example</h3><p><code> |
| UnsetEnv LD_LIBRARY_PATH |
| </code></p></div> |
| |
| </div> |
| </div> |
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| <a href="../ja/mod/mod_env.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | |
| <a href="../ko/mod/mod_env.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | |
| <a href="../tr/mod/mod_env.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> |
| </div><div id="footer"> |
| <p class="apache">Copyright 2011 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> |
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