<html> <head> <title> Security Enhanced Linux Reference Policy </title> <style type="text/css" media="all">@import "style.css";</style> </head> <body> <div id="Header">Security Enhanced Linux Reference Policy</div> <div id='Menu'> <a href="admin.html">+ admin</a></br/> <div id='subitem'> </div> <a href="apps.html">+ apps</a></br/> <div id='subitem'> </div> <a href="kernel.html">+ kernel</a></br/> <div id='subitem'> </div> <a href="services.html">+ services</a></br/> <div id='subitem'> - <a href='services_apache.html'> apache</a><br/> - <a href='services_apm.html'> apm</a><br/> - <a href='services_arpwatch.html'> arpwatch</a><br/> - <a href='services_bind.html'> bind</a><br/> - <a href='services_bluetooth.html'> bluetooth</a><br/> - <a href='services_comsat.html'> comsat</a><br/> - <a href='services_cpucontrol.html'> cpucontrol</a><br/> - <a href='services_cron.html'> cron</a><br/> - <a href='services_cvs.html'> cvs</a><br/> - <a href='services_dbus.html'> dbus</a><br/> - <a 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Booleans </a> <br/><p/> <a href="global_tunables.html">* Global Tunables </a> <p/><br/><p/> <a href="index.html">* Layer Index</a> <br/><p/> <a href="interfaces.html">* Interface Index</a> <br/><p/> <a href="templates.html">* Template Index</a> </div> <div id="Content"> <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> </div> </body> </html>