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54 lines
1.9 KiB
HTML
54 lines
1.9 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
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<html>
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<head>
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<title>Apache module mod_cgi</title>
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</head>
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<body>
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<IMG SRC="../images/apache_sub.gif" ALT="">
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<h1>Module mod_cgi</h1>
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This module is contained in the <code>mod_cgi.c</code> file, and
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is compiled in by default. It provides for execution of CGI scripts.
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Any file with mime type <code>application/x-httpd-cgi</code> will be
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processed by this module.
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<!--%plaintext <?INDEX {\tt application/x-httpd-cgi} mime type> -->
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<!--%plaintext <?INDEX CGI scripts> -->
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<h2>Summary</h2>
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Any file that has the mime type <code>application/x-httpd-cgi</code>
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will be treated as a CGI script, and run by the server, with its output
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being returned to the client. Files acquire this type either by
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having a name ending in an extension defined by the
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<A HREF="mod_mime.html#addtype">AddType</A> directive, or by being in
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a <A HREF="mod_alias.html#scriptalias">ScriptAlias</A> directory. <p>
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When the server invokes a CGI script, it will add a variable called
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<code>DOCUMENT_ROOT</code> to the environment. This variable will contain the
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value of the <A HREF="core.html#documentroot">DocumentRoot</A>
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configuration variable.
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<h2>CGI Environment variables</h2>
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The server will set the CGI environment variables as described in the CGI
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specification, with the following provisos:
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<dl>
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<dt>REMOTE_HOST
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<dd>This will only be set if the server has not been compiled with
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<code>MINIMAL_DNS</code>.
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<dt>REMOTE_IDENT
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<dd>This will only be set if
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<A HREF="core.html#identitycheck">IdentityCheck</A> is set to <code>on</code>.
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<dt>REMOTE_USER
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<dd>This will only be set if the CGI script is subject to authentication.
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</dl>
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<P>
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<HR>
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<A HREF="../"><IMG SRC="../images/apache_home.gif" ALT="Home"></A>
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<A HREF="./"><IMG SRC="../images/apache_index.gif" ALT="Index"></A>
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</BODY>
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</HTML>
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