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<head><title>dkim_sig_getidentity()</title></head>
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<h1>dkim_sig_getidentity()</h1>
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<!---------- Synopsis ----------->
<tr><th valign="top" align=left width=150>SYNOPSIS</th><td>
<pre>
#include <dkim.h>
<a href="dkim_stat.html"><tt>DKIM_STAT</tt></a> dkim_sig_getidentity(
<a href="dkim.html"><tt>DKIM</tt></a> *dkim,
<a href="dkim_siginfo.html"><tt>DKIM_SIGINFO</tt></a> *sig,
char *val,
size_t vallen
);
</pre>
Retrieve the signing identity from a signature handle.
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<!----------- Description ---------->
<tr><th valign="top" align=left>DESCRIPTION</th><td>
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<th width="80">Called When</th>
<td><tt>dkim_sig_getidentity()</tt> is called after
<a href="dkim_eoh.html"><tt>dkim_eoh()</tt></a> to determine
the identity associated with a signature. </td>
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<!----------- Arguments ---------->
<tr><th valign="top" align=left>ARGUMENTS</th><td>
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<tr bgcolor="#dddddd"><th>Argument</th><th>Description</th></tr>
<tr valign="top"><td>dkim</td>
<td>Message-specific handle, returned by
<a href="dkim_sign.html"><tt>dkim_sign()</tt></a> or
<a href="dkim_verify.html"><tt>dkim_verify</tt></a>.
</td></tr>
<tr valign="top"><td>sig</td>
<td>The <tt>DKIM_SIGINFO</tt> handle representing the signature
being evaluated.
</td></tr>
<tr valign="top"><td>val</td>
<td>A character buffer to receive the identity extracted
from the signature. The value may be explicitly defined
in the signature's "i=" tag, or inferred from its absence.
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<tr valign="top"><td>vallen</td>
<td>Number of bytes available at <tt>val</tt>. </td></tr>
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<!----------- Return Values ---------->
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<th valign="top" align=left>RETURN VALUES</th>
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<ul>
<li>DKIM_STAT_OK -- successful completion
<li>DKIM_STAT_SYNTAX -- some part of the input string was invalid
<li>DKIM_STAT_NORESOURCE -- <tt>val</tt> did not contain enough space
for the complete identity string
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Copyright (c) 2005-2007 Sendmail, Inc. and its suppliers.
All rights reserved.
<br>
Copyright (c) 2009, 2010 The OpenDKIM Project. All rights reserved.
<br>
By using this file, you agree to the terms and conditions set
forth in the respective licenses.
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