153 lines
4.0 KiB
HTML
153 lines
4.0 KiB
HTML
<!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_rd_rep()--Process Kerberos AP_REP Message</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_rd_rep()--Process Kerberos AP_REP Message</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_rd_rep(
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krb5_context <em>context</em>,
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krb5_auth_context <em>auth_context</em>,
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krb5_const krb5_data * <em>in_data</em>,
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krb5_ap_rep_enc_part ** <em>reply</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: Conditional. See <a href="#usage_notes">Usage
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notes</a>.<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_rd_rep()</strong> function processes a Kerberos AP_REP
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message created by the <strong>krb5_mk_rep()</strong> routine. The
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authentication context is updated with sequencing information obtained from the
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reply message.</p>
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<br>
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<h3>Authorities</h3>
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<p>No authorities are required.</p>
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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>auth_context</strong> (Input/Output)</dt>
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<dd>The authentication context.<br>
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<br>
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</dd>
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<dt><strong>in_data</strong> (Input)</dt>
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<dd>The buffer containing the AP_REP message.<br>
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<br>
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</dd>
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<dt><strong>reply</strong> (Output)</dt>
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<dd>The decrypted reply data. The <strong>krb5_free_ap_rep_enc_part()</strong>
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routine should be called to release the reply when it is no longer needed.</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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<br>
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<h3><a name="usage_notes">Usage Notes</a></h3>
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<ol>
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<li>The Kerberos protocol runtime provides no concurrency control for the
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authentication context. If the application wants to use the same authentication
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context in multiple threads, it is the responsibility of the application to
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serialize access to the authentication context so that only a single thread is
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accessing the authentication context at any time. Because message sequence
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numbers are contained in the authentication context, this serialization needs
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to be extended to encompass the message exchange between the two applications.
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Otherwise, message sequence errors are liable to occur if the messages are
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delivered out of sequence.</li>
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</ol>
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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> |
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<a href="sec.htm">Security APIs</a> <br><a href="unix.htm">UNIX-Type APIs</a> |
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<a href="aplist.htm">APIs by 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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