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Security Enhanced Linux Reference Policy
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<a name="top":></a>
<h1>Layer: kernel</h1><p/>
<h2>Module: corecommands</h2><p/>
<h3>Description:</h3>
<p><p>
Core policy for shells, and generic programs
in /bin, /sbin, /usr/bin, and /usr/sbin.
</p></p>
<p>This module is required to be included in all policies.</p>
<a name="interfaces"></a>
<h3>Interfaces: </h3>
<a name="link_corecmd_bin_alias"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_bin_alias</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Create a aliased type to generic bin files.
</p>
<h5>Description</h5>
<p>
</p><p>
Create a aliased type to generic bin files.
</p><p>
</p><p>
This is added to support targeted policy. Its
use should be limited. It has no effect
on the strict policy.
</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>
domain
</td><td>
Alias type for bin_t.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_bin_domtrans"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_bin_domtrans</b>(
domain
,
target_domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Execute a file in a bin directory
in the specified domain.
</p>
<h5>Description</h5>
<p>
</p><p>
Execute a file in a bin directory
in the specified domain. This allows
the specified domain to execute any file
on these filesystems in the specified
domain. This is not suggested.
</p><p>
</p><p>
No interprocess communication (signals, pipes,
etc.) is provided by this interface since
the domains are not owned by this module.
</p><p>
</p><p>
This interface was added to handle
the ssh-agent policy.
</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>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
<tr><td>
target_domain
</td><td>
The type of the new process.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_check_exec_shell"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_check_exec_shell</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Check if a shell is executable (DAC-wise).
</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_corecmd_dontaudit_getattr_sbin_file"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_dontaudit_getattr_sbin_file</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_dontaudit_search_sbin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_dontaudit_search_sbin</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Do not audit attempts to search
sbin directories.
</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 to not audit.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_exec_bin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_exec_bin</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_exec_chroot"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_exec_chroot</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_exec_ls"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_exec_ls</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_exec_sbin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_exec_sbin</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_exec_shell"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_exec_shell</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_getattr_bin_file"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_getattr_bin_file</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Get the attributes of files in bin directories.
</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_corecmd_getattr_sbin_file"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_getattr_sbin_file</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_list_bin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_list_bin</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_list_sbin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_list_sbin</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_manage_bin_files"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_manage_bin_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Create, read, write, and delete bin files.
</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_corecmd_manage_sbin_files"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_manage_sbin_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Create, read, write, and delete sbin files.
</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_corecmd_mmap_bin_files"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_mmap_bin_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Mmap a bin file as executable.
</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_corecmd_mmap_sbin_files"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_mmap_sbin_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Mmap a sbin file as executable.
</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_corecmd_read_bin_file"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_bin_file</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read files in bin directories.
</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_corecmd_read_bin_pipe"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_bin_pipe</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read pipes in bin directories.
</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_corecmd_read_bin_socket"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_bin_socket</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read named sockets in bin directories.
</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_corecmd_read_bin_symlink"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_bin_symlink</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read symbolic links in bin directories.
</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_corecmd_read_sbin_file"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_sbin_file</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read files in sbin directories.
</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_corecmd_read_sbin_pipe"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_sbin_pipe</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read named pipes in sbin directories.
</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_corecmd_read_sbin_socket"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_sbin_socket</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read named sockets in sbin directories.
</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_corecmd_read_sbin_symlink"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_read_sbin_symlink</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Read symbolic links in sbin directories.
</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_corecmd_relabel_bin_files"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_relabel_bin_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Relabel to and from the bin type.
</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_corecmd_relabel_sbin_files"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_relabel_sbin_files</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Relabel to and from the sbin type.
</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_corecmd_sbin_domtrans"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_sbin_domtrans</b>(
domain
,
target_domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Execute a file in a sbin directory
in the specified domain.
</p>
<h5>Description</h5>
<p>
</p><p>
Execute a file in a sbin directory
in the specified domain. This allows
the specified domain to execute any file
on these filesystems in the specified
domain. This is not suggested.
</p><p>
</p><p>
No interprocess communication (signals, pipes,
etc.) is provided by this interface since
the domains are not owned by this module.
</p><p>
</p><p>
This interface was added to handle
the ssh-agent policy.
</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>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
<tr><td>
target_domain
</td><td>
The type of the new process.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_search_bin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_search_bin</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_search_sbin"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_search_sbin</b>(
?
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Summary is missing!
</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>
?
</td><td>
Parameter descriptions are missing!
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_shell_domtrans"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_shell_domtrans</b>(
domain
,
target_domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Execute a shell in the specified domain.
</p>
<h5>Description</h5>
<p>
</p><p>
Execute a shell in the specified domain.
</p><p>
</p><p>
No interprocess communication (signals, pipes,
etc.) is provided by this interface since
the domains are not owned by this module.
</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>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
<tr><td>
target_domain
</td><td>
The type of the shell process.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_shell_entry_type"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_shell_entry_type</b>(
domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Make the shell an entrypoint for the specified domain.
</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 domain for which the shell is an entrypoint.
</td><td>
No
</td></tr>
</table>
</div>
</div>
<a name="link_corecmd_shell_spec_domtrans"></a>
<div id="interface">
<div id="codeblock">
<b>corecmd_shell_spec_domtrans</b>(
domain
,
target_domain
)<br>
</div>
<div id="description">
<h5>Summary</h5>
<p>
Execute a shell in the target domain. This
is an explicit transition, requiring the
caller to use setexeccon().
</p>
<h5>Description</h5>
<p>
</p><p>
Execute a shell in the target domain. This
is an explicit transition, requiring the
caller to use setexeccon().
</p><p>
</p><p>
No interprocess communication (signals, pipes,
etc.) is provided by this interface since
the domains are not owned by this module.
</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>
domain
</td><td>
Domain allowed access.
</td><td>
No
</td></tr>
<tr><td>
target_domain
</td><td>
The type of the shell process.
</td><td>
No
</td></tr>
</table>
</div>
</div>
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</div>
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