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Security Enhanced Linux Reference Policy
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<a name="top":></a>
<h1>Layer: services</h1><p/>
<h2>Module: cron</h2><p/>
<a href=#interfaces>Interfaces</a>
<a href=#templates>Templates</a>
<h3>Description:</h3>
<p><p>Periodic execution of scheduled commands.</p></p>
<a name="interfaces"></a>
<h3>Interfaces: </h3>
<a name="link_cron_read_pipe"></a>
<div id="interface">
<div id="codeblock">
<b>cron_read_pipe</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read a cron daemon unnamed pipe.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_read_system_job_tmp_files"></a>
<div id="interface">
<div id="codeblock">
<b>cron_read_system_job_tmp_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read temporary files from the system cron jobs.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_rw_pipe"></a>
<div id="interface">
<div id="codeblock">
<b>cron_rw_pipe</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read and write a cron daemon unnamed pipe.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_search_spool"></a>
<div id="interface">
<div id="codeblock">
<b>cron_search_spool</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Search the directory containing user cron tables.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
The type of the process to performing this action.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_sigchld"></a>
<div id="interface">
<div id="codeblock">
<b>cron_sigchld</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Send a SIGCHLD signal to the cron daemon.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_system_entry"></a>
<div id="interface">
<div id="codeblock">
<b>cron_system_entry</b>(
domain
,
entrypoint
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Make the specified program domain accessable
from the system cron jobs.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
The type of the process to transition to.
</td><td>
No
</td></tr>
<tr><td>
entrypoint
</td><td>
The type of the file used as an entrypoint to this domain.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_use_fd"></a>
<div id="interface">
<div id="codeblock">
<b>cron_use_fd</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Inherit and use a file descriptor
from the cron daemon.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_use_system_job_fd"></a>
<div id="interface">
<div id="codeblock">
<b>cron_use_system_job_fd</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Inherit and use a file descriptor
from system cron jobs.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_write_system_job_pipe"></a>
<div id="interface">
<div id="codeblock">
<b>cron_write_system_job_pipe</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Wrate a system cron job unnamed pipe.
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a href=#top>Return</a>
<a name="templates"></a>
<h3>Templates: </h3>
<a name="link_cron_admin_template"></a>
<div id="template">
<div id="codeblock">
<b>cron_admin_template</b>(
userdomain_prefix
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
The administrative functions template for the cron module.
</p>
<h5>Description</h5>
<p>
</p><p>
This template creates rules for administrating the cron service,
allowing the specified user to manage other user crontabs.
</p><p>
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
userdomain_prefix
</td><td>
The prefix of the user domain (e.g., user
is the prefix for user_t).
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_cron_per_userdomain_template"></a>
<div id="template">
<div id="codeblock">
<b>cron_per_userdomain_template</b>(
userdomain_prefix
,
user_domain
,
user_role
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
The per user domain template for the cron module.
</p>
<h5>Description</h5>
<p>
</p><p>
This template creates a derived domains which are used
for running programs on behalf of the user, from cron.
A type for the user crontab is also created.
</p><p>
</p><p>
This template is invoked automatically for each user, and
generally does not need to be invoked directly
by policy writers.
</p><p>
</p>
<h5>Parameters</h5>
<table border="1" cellspacing="0" cellpadding="3" width="80%">
<tr><th >Parameter:</td><th >Description:</td><th >Optional:</td></tr>
<tr><td>
userdomain_prefix
</td><td>
The prefix of the user domain (e.g., user
is the prefix for user_t).
</td><td>
No
</td></tr>
<tr><td>
user_domain
</td><td>
The type of the user domain.
</td><td>
No
</td></tr>
<tr><td>
user_role
</td><td>
The role associated with the user domain.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a href=#top>Return</a>
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