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<div id="preamble"><h1>Module Apache mod_env</h1>
<div class="toplang">
<p><span>Langues Disponibles: </span><a href="../en/mod/mod_env.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Modifie l'environnement transmis aux scripts CGI et aux
pages SSI</td></tr>
<tr><th><a href="module-dict.html#Status">Statut:</a></th><td>Base</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Identificateur&#160;de&#160;Module:</a></th><td>env_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Fichier&#160;Source:</a></th><td>mod_env.c</td></tr></table>
<h3>Sommaire</h3>

    <p>Ce module permet de contr&#244;ler les variables d'environnement
    internes utilis&#233;es par divers modules du serveur HTTP Apache. Ces
    variables sont aussi accessibles aux scripts CGI en tant que
    variables d'environnement syst&#232;me natives, et disponibles dans les
    pages SSI. Les variables d'environnement peuvent
    &#234;tre transmises depuis le shell qui a lanc&#233; le processus
    <code class="program"><a href="../programs/httpd.html">httpd</a></code>. Elles peuvent &#233;galement &#234;tre d&#233;finies ou
    supprim&#233;es au cours du processus de configuration.</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>Traitement des bugs</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">Journal des modifications de httpd</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_env">Probl&#232;mes connus</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_env">Signaler un bug</a></li></ul><h3>Voir aussi</h3>
<ul class="seealso">
<li><a href="../env.html">Variables d'environnement</a></li>
<li><code class="directive"><a href="../mod/mod_setenvif.html#setenvif">SetEnvIf</a></code></li>
<li><a href="#comments_section">Commentaires</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="passenv" id="passenv">Directive</a> <a name="PassEnv" id="PassEnv">PassEnv</a><a title="Lien permanent" href="#passenv" class="permalink">&para;</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Transmet des variables d'environnement depuis le
shell</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntaxe:</a></th><td><code>PassEnv <var>var-env</var> [<var>var-env</var>]
...</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Contexte:</a></th><td>configuration globale, serveur virtuel, r&#233;pertoire, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Surcharges autoris&#233;es:</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">Statut:</a></th><td>Base</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr>
</table>
    <p>Cette directive permet de sp&#233;cifier quelles variables
    d'environnement syst&#232;me natives doivent &#234;tre disponibles en tant que
    variables d'environnement internes pour les modules du serveur HTTP
    Apache, et propag&#233;es vers les scripts CGI et les pages SSI. Leurs
    valeurs sont issues de l'environnement natif de l'OS associ&#233; au
    shell qui a invoqu&#233; le processus <code class="program"><a href="../programs/httpd.html">httpd</a></code>.</p>

    <div class="example"><h3>Exemple</h3><pre class="prettyprint lang-config">PassEnv LD_LIBRARY_PATH</pre>
</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">Directive</a> <a name="SetEnv" id="SetEnv">SetEnv</a><a title="Lien permanent" href="#setenv" class="permalink">&para;</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>D&#233;finit des variables d'environnement</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntaxe:</a></th><td><code>SetEnv <var>var-env</var> [<var>valeur</var>]</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Contexte:</a></th><td>configuration globale, serveur virtuel, r&#233;pertoire, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Surcharges autoris&#233;es:</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">Statut:</a></th><td>Base</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr>
</table>
    <p>D&#233;finit une variable d'environnement interne, cette derni&#232;re &#233;tant
    ensuite disponible pour les modules du serveur HTTP Apache et
    transmise aux scripts CGI et aux pages SSI.</p>

    <div class="example"><h3>Exemple</h3><pre class="prettyprint lang-config">SetEnv SPECIAL_PATH /foo/bin</pre>
</div>

    <p>Si l'argument <var>valeur</var> est absent, la variable est
    d&#233;finie &#224; la valeur d'une cha&#238;ne vide.</p>

    <div class="note"><p>Les variables d'environnement internes d&#233;finies par cette
    directive le sont <em>apr&#232;s</em> l'ex&#233;cution de la plupart des
    directives du traitement initial des requ&#234;tes, comme les contr&#244;les
    d'acc&#232;s et la mise en correspondance des URIs avec les noms de
    fichiers. Si la variable d'environnement est sens&#233;e intervenir au
    cours de cette phase initiale du traitement, par exemple pour la
    directive <code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code>,
    vous devez plut&#244;t utiliser la directive <code class="directive"><a href="../mod/mod_setenvif.html#setenvif">SetEnvIf</a></code> pour d&#233;finir cette
    variable.</p>
    </div>


<h3>Voir aussi</h3>
<ul>
<li><a href="../env.html">Variables d'environnement</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">Directive</a> <a name="UnsetEnv" id="UnsetEnv">UnsetEnv</a><a title="Lien permanent" href="#unsetenv" class="permalink">&para;</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Supprime des variables de l'environnement</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntaxe:</a></th><td><code>UnsetEnv <var>var-env</var> [<var>var-env</var>]
...</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Contexte:</a></th><td>configuration globale, serveur virtuel, r&#233;pertoire, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Surcharges autoris&#233;es:</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">Statut:</a></th><td>Base</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr>
</table>
    <p>Supprime une ou plusieurs variables d'environnement internes parmi celles
    qui sont transmises aux scripts CGI et aux pages SSI.</p>

    <div class="example"><h3>Exemple</h3><pre class="prettyprint lang-config">UnsetEnv LD_LIBRARY_PATH</pre>
</div>

</div>
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