osfmk/man/task_set_security_token.html

   1 <h2>task_set_security_token</h2>
<hr>
<p>
<strong>Function</strong> - Change the target task's security token.
<h3>SYNOPSIS</h3>
<pre>
<strong>kern_return_t   task_set_security_token</strong>
                <strong>(task_t</strong>                                    <var>task</var>,
                 <strong>security_port_t</strong>                  <var>host_security</var>,
                 <strong>security_token_t</strong>                <var>security_token</var><strong>);</strong>
</pre>
<h3>PARAMETERS</h3>
<dl>
<p>
<dt><var>task</var>
<dd>
[in task send right] The port for the task for which the token is to be set.
<p>
<dt><var>host_security</var>
<dd>
[in security send right] The host's security port.
<p>
<dt><var>security_token</var>
<dd>
[in scalar] The new security token.
</dl>
<h3>DESCRIPTION</h3>
<p>
The <strong>task_set_security_token</strong> function changes the
specified task's security token; the new token will be
included in all subsequent messages sent from the task. The
initial value of a task's security token is that of its parent.
<h3>NOTES</h3>
<p>
The host security port is a privileged port given to the system
bootstrap task for the use of this call.
<h3>RETURN VALUES</h3>
<dl>
<p>
<dt> <strong>KERN_INVALID_SECURITY</strong>
<dd>
The value of <var>host_security</var> does not specify the security port for the host on which task lies.
</dl>
<h3>RELATED INFORMATION</h3>
<p>
Functions:
<a href="task_create.html"><strong>task_create</strong></a>,
<a href="task_info.html"><strong>task_info</strong></a>,
<a href="mach_msg.html"><strong>mach_msg</strong></a>.