185 lines
4.8 KiB
HTML
185 lines
4.8 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>krb5_cc_initialize()--Initialize Credentials Cache</title>
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<!-- Begin Header Records -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!-- Created by Kent Hofer for V5R1 -->
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<!-- Edited by Kersten Jan 02 -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<!-- End Header Records -->
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<!--Java sync-link-->
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<script type="text/javascript" language="Javascript" src="../rzahg/synch.js">
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</script>
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<a name="Top_Of_Page"></a>
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<h2>krb5_cc_initialize()--Initialize Credentials Cache</h2>
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<div class="box" style="width: 60%;">
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<br>
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Syntax
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<pre>
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#include <krb5.h>
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krb5_error_code krb5_cc_initialize(
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krb5_context <em>context</em>,
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krb5_ccache <em>ccache</em>,
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krb5_principal <em>principal</em>);
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</pre>
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Service Program Name: QSYS/QKRBGSS<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: Yes<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <strong>krb5_cc_initialize()</strong> function initializes a credentials
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cache. Any existing credentials are discarded and the principal name for the
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cache is set to the value specified. The principal name is the default client
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name for tickets that will be placed in the cache. A new cache must be
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initialized before tickets can be stored in the cache.</p>
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<br>
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<h3>Authorities</h3>
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<p>When the credentials cache is of type "FILE" (see
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<strong>krb5_cc_resolve()</strong> for more information on cache types), the
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default behavior is that the credentials cache file is created in the
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/QIBM/UserData/OS400/NetworkAuthentication/creds directory. The placement of
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the credentials cache file can be changed by setting the KRB5CCNAME environment
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variable.</p>
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<p>If the credentials cache file does not reside in the default directory, the
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following authorities are required:</p>
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<table border cellpadding="5">
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<!-- width="80" -->
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<!-- cols="30 70" -->
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<tr>
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<th align="left" valign="bottom">Object Referred to</th>
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<th align="center" valign="bottom">Data Authority Required</th>
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</tr>
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<tr>
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<td align="left" valign="top">Each directory in the path name preceding the
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parent directory</td>
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<td align="center" valign="top">*X</td>
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</tr>
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<tr>
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<td align="left" valign="top">Parent directory if cache file is being
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created</td>
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<td align="center" valign="top">*WX</td>
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</tr>
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<tr>
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<td align="left" valign="top">Cache file, if being reused</td>
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<td align="center" valign="top">*RW</td>
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</tr>
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</table>
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<p>If the credentials cache file resides in the default directory, the
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following authorities are required:</p>
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<table border cellpadding="5">
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<tr>
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<th align="left" valign="bottom">Object Referred to</th>
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<th align="left" valign="bottom">Data Authority Required</th>
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<th align="left" valign="bottom">Object Authority Required</th>
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</tr>
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<tr>
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<td align="left" valign="top">All directories in the path name</td>
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<td align="center" valign="top">*X</td>
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<td align="center" valign="top">None</td>
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</tr>
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<tr>
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<td align="left" valign="top">Credentials cache file</td>
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<td align="center" valign="top">*RW</td>
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<td align="center" valign="top">None</td>
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</tr>
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</table>
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<br>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>context</strong> (Input)</dt>
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<dd>The Kerberos context.<br>
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<br>
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</dd>
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<dt><strong>ccache</strong> (Input)</dt>
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<dd>The credentials cache handle.<br>
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<br>
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</dd>
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<dt><strong>principal</strong> (Input)</dt>
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<dd>The default principal for the cache.</dd>
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</dl>
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<br>
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<h3>Return Value</h3>
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<p>If no errors occur, the return value is 0. Otherwise, a Kerberos error code
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is returned.</p>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="5">
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td width="15%" valign="top">CPE3418 E</td>
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<td width="85%" valign="top">Possible APAR condition or hardware failure.</td>
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</tr>
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</table>
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<br>
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<hr>
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API introduced: V5R1
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<hr>
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<center>
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<table cellpadding="2" cellspacing="2">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"sec.htm">Security APIs</a> <br>
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<a href="unix.htm">UNIX-Type APIs</a> | <a href="aplist.htm">APIs by
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category</a> </td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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