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<title>krb5_get_renewed_creds - Get renewed credential from KDC using an existing credential. — MIT Kerberos Documentation</title>
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<section id="krb5-get-renewed-creds-get-renewed-credential-from-kdc-using-an-existing-credential">
<h1>krb5_get_renewed_creds - Get renewed credential from KDC using an existing credential.<a class="headerlink" href="#krb5-get-renewed-creds-get-renewed-credential-from-kdc-using-an-existing-credential" title="Link to this heading">¶</a></h1>
<dl class="c function">
<dt class="sig sig-object c" id="c.krb5_get_renewed_creds">
<a class="reference internal" href="../types/krb5_error_code.html#c.krb5_error_code" title="krb5_error_code"><span class="n"><span class="pre">krb5_error_code</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">krb5_get_renewed_creds</span></span></span><span class="sig-paren">(</span><a class="reference internal" href="../types/krb5_context.html#c.krb5_context" title="krb5_context"><span class="n"><span class="pre">krb5_context</span></span></a><span class="w"> </span><span class="n"><span class="pre">context</span></span>, <a class="reference internal" href="../types/krb5_creds.html#c.krb5_creds" title="krb5_creds"><span class="n"><span class="pre">krb5_creds</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">creds</span></span>, <a class="reference internal" href="../types/krb5_principal.html#c.krb5_principal" title="krb5_principal"><span class="n"><span class="pre">krb5_principal</span></span></a><span class="w"> </span><span class="n"><span class="pre">client</span></span>, <a class="reference internal" href="../types/krb5_ccache.html#c.krb5_ccache" title="krb5_ccache"><span class="n"><span class="pre">krb5_ccache</span></span></a><span class="w"> </span><span class="n"><span class="pre">ccache</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="kt"><span class="pre">char</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">in_tkt_service</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.krb5_get_renewed_creds" title="Link to this definition">¶</a><br /></dt>
<dd></dd></dl>
<dl class="field-list">
<dt class="field-odd">param<span class="colon">:</span></dt>
<dd class="field-odd"><p><strong>[in]</strong> <strong>context</strong> - Library context</p>
<p><strong>[out]</strong> <strong>creds</strong> - Renewed credentials</p>
<p><strong>[in]</strong> <strong>client</strong> - Client principal name</p>
<p><strong>[in]</strong> <strong>ccache</strong> - Credential cache</p>
<p><strong>[in]</strong> <strong>in_tkt_service</strong> - Server principal string (or NULL)</p>
</dd>
</dl>
<dl class="field-list simple">
<dt class="field-odd">retval<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p>0 Success</p></li>
</ul>
</dd>
<dt class="field-even">return<span class="colon">:</span></dt>
<dd class="field-even"><ul class="simple">
<li><p>Kerberos error codes</p></li>
</ul>
</dd>
</dl>
<p>This function gets a renewed credential using an existing one from <em>ccache</em> . If <em>in_tkt_service</em> is specified, it is parsed (with the realm part ignored) and used as the server principal of the credential; otherwise, the ticket-granting service is used.</p>
<p>If successful, the renewed credential is placed in <em>creds</em> .</p>
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