258 lines
6.0 KiB
HTML
258 lines
6.0 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>authsys_create()--Create Authentication with OS Permission</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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<!-- RPCMST SCRIPT A converted by B2H R4.1 (346) (CMS) by PMHALL at -->
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<!-- RCHVMW2 on 7 Oct 1998 at 23:43:14 -->
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<!-- YYMMDD USERID Change description -->
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<!-- Edited by Kersten Feb 02 -->
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<!-- End Header Records -->
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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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<!--Java sync-link-->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<a name="Top_Of_Page"></a>
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<h2>authsys_create()--Create Authentication with OS Permission</h2>
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<div class="box" style="width: 70%;">
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<br>
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Syntax<br>
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<br>
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<pre>
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#include <rpc/rpc.h>
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AUTH *authsys_create(const char *<em>host</em>,
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const uid_t <em>uid</em>,
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const gid_t <em>gid</em>,
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const int <em>len</em>,
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const gid_t *<em>aup_gids</em>);
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</pre>
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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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Service Program Name: QZNFTRPC<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: No<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <strong>authsys_create()</strong> function creates and returns an RPC
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authentication handle that contains authentication information.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>host</strong> (Input) </dt>
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<dd>A pointer to the name of the machine on which the permission was
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created.<br><br></dd>
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<dt><strong>uid</strong> (Input) </dt>
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<dd>The caller's effective user ID (UID).<br><br></dd>
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<dt><strong>gid</strong> (Input) </dt>
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<dd>The caller's effective group ID (GID).<br><br></dd>
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<dt><strong>len</strong> (Input) </dt>
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<dd>The length of the group's array.<br><br></dd>
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<dt><strong>aup_gids</strong> (Input) </dt>
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<dd>A pointer to the counted array of groups to which the user belongs.</dd>
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</dl>
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<br>
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<h3>Authorities</h3>
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<p>No authorization is required.</p>
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<br>
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<h3>Return Value</h3>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td valign="top"><em>auth</em></td>
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<td valign="top">Upon successful completion, this API returns an RPC
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authentication handle.</td>
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</tr>
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<tr>
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<td valign="top"><em>NULL</em></td>
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<td valign="top"><strong>authsys_create()</strong> was not successful. The
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<em>errno</em> variable is set to indicate the reason.</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>Error Conditions</h3>
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<table cellpadding="5">
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<!-- cols="15 85" -->
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<tr>
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<td valign="top"><em>[EINVAL]</em></td>
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<td valign="top">An invalid <em>len</em> parameter was passed.</td>
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</tr>
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<tr>
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<td valign="top"><em>[ENOMEM]</em></td>
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<td valign="top">Storage allocation failed.</td>
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</tr>
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<tr>
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<td valign="top"><em>[EUNKNOWN]</em></td>
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<td valign="top">Unknown system state.</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>Error Messages</h3>
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<table cellpadding="5" width="100%">
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<!-- cols="15 85" -->
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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">CPIA1B0 I</td>
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<td width="85%" valign="top">An authentication problem was encountered by one
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of the TI-RPC APIs.</td>
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</tr>
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<tr>
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<td valign="top">CPDA1C1 D</td>
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<td valign="top">An authentication problem has occurred.</td>
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</tr>
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<tr>
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<td valign="top">CPE3418 E</td>
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<td valign="top">Possible APAR condition or hardware failure.</td>
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</tr>
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<tr>
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<td valign="top">CPF3CF2 E</td>
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<td valign="top">Error(s) occurred during running of &1 API.</td>
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</tr>
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<tr>
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<td valign="top">CPF9872 E</td>
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<td valign="top">Program or service program &1 in library &2 ended.
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Reason code &3.</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>Related Information</h3>
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<ul>
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<li><a href="authnone_create.htm">authnone_create()--Create Null
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Authentication</a></li>
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</ul>
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<br>
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<h3>Example</h3>
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<p>See <a href="../apiref/aboutapis.htm#codedisclaimer">Code disclaimer information</a>
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for information pertaining to code examples.</p>
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<p>The following example shows how <strong>authsys_create()</strong> is
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used:</p>
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<pre>
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#include <stdio.h>
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#include <rpc/rpc.h>
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/* Define remote program number and version */
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#define RMTPROGNUM (u_long)0x3fffffffL
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#define RMTPROGVER (u_long)0x1
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main()
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{
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CLIENT *client; /* The client handle */
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char *host;
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uid_t uid;
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gid_t gid, *aup_gids;
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int len;
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/* Service request to host RPCSERVER_HOST */
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client = clnt_create("RPCSERVER_HOST", RMTPROGNUM, RMTPROGVER,
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"tcp");
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if (client == (CLIENT *)NULL) {
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printf("Could not create client\n");
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exit(1);
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}
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...
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uid = geteuid();
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gid = getegid();
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len = getgroups(NGRPS, aup_gids));
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/* Initialized the <strong>authsys_create()</strong>'s arguments before use */
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client->cl_auth = <strong>authsys_create</strong>(host, uid, gid,
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len, aup_gids);
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if (client->cl_auth == (AUTH *)NULL) {
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fprintf(stderr, "<strong>authsys_create</strong> failed!!\n");
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exit(1);
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}
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...
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}
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</pre>
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<hr>
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API introduced: V4R2
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<hr>
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<table cellpadding="2" cellspacing="2" align="center">
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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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"rpc1.htm">Remote Procedure Call (RPC) 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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</body>
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</html>
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