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.TH MUNIN_SELINUX 8 "2014-11-11" "" "SELinux"
.SH NAME
munin_selinux \- SELinux policy module for Munin
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.SH DESCRIPTION
.sp
The \fImunin\fP SELinux module supports the Munin networked resource management
tool.
.SH DOMAINS
.sp
The following is a list of munin related domains.
.INDENT 0.0
.TP
.B munin_t
is the main domain for the munin daemon
.TP
.B \(aq*\(aq_munin_plugin_t
is a set of domains related to the munin plugins
.UNINDENT
.SH LOCATIONS
.sp
The following list of locations identify file resources that are used by the
munin domains. They are by default allocated towards the default locations for
munin, so if you use a different location, you will need to properly address
this. You can do so through \fBsemanage\fP, like so:
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.sp
.nf
.ft C
semanage fcontext \-a \-t system_cron_spool_t "/usr/local/share/munin/plugins(/.*)?"
.ft P
.fi
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.UNINDENT
.sp
The above example marks the \fI/usr/local/share/munin/plugins\fP location as the location where
munin plugin executables are stored.
.SS FUNCTIONAL
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.TP
.B munin_etc_t
is used for the munin configuration files
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.SS EXECUTABLES
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.TP
.B munin_exec_t
is used for the munin binaries
.TP
.B munin_initrc_exec_t
is used for the munin init script
.TP
.B \(aq*\(aq_munin_plugin_exec_t
is used for the munin plugin executables
.UNINDENT
.SS DAEMON FILES
.INDENT 0.0
.TP
.B munin_log_t
is used for the munin logs
.TP
.B munin_plugin_state_t
is used for the munin plugin state information
.TP
.B munin_var_lib_t
is used for the variable information used by munin
.TP
.B munin_var_run_t
is used for the variable runtime state information of munin
.UNINDENT
.SH POLICY
.sp
The following interfaces can be used to enhance the default policy with
munin\-related provileges. More details on these interfaces can be found in the
interface HTML documentation, we will not list all available interfaces here.
.SS Plugin template
.sp
With the \fBmunin_plugin_template\fP interface, additional munin plugin domains
can be created. The interface takes a single prefix (like "disk") and will create
the proper types and privileges, including (using "disk" as the example):
.INDENT 0.0
.IP \(bu 2
\fIdisk_munin_plugin_t\fP as plugin domain
.IP \(bu 2
\fIdisk_munin_plugin_exec_t\fP as plugin executable type
.IP \(bu 2
\fIdisk_munin_plugin_tmp_t\fP as plugin temporary file type
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.sp
To enable it:
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.INDENT 3.5
.sp
.nf
.ft C
munin_plugin_template(disk)
.ft P
.fi
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.SS Administrative role
.sp
The \fBmunin_admin\fP interface grants a user role and type administrative access
to the munin types:
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.sp
.nf
.ft C
munin_admin(myuser_t, myuser_r)
.ft P
.fi
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.SH BUGS
.SS Munin
.sp
The \fBnet\-analyzer/munin\fP package deploys the munin cronjobs as end user
cronjobs inside \fB/var/spool/cron/crontabs\fP\&. The munin cronjobs are meant to
be executed as the munin Linux account, but the jobs themselves are best seen
as system cronjobs (as they are not related to a true interactive end user).
.sp
The default deployed files might not get the \fIsystem_u\fP SELinux ownership
assigned. To fix this, execute the following command:
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.sp
.nf
.ft C
~# chcon \-u system_u /var/spool/cron/crontabs/munin
.ft P
.fi
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.sp
For more information, see bug #526532.
.SH SEE ALSO
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.IP \(bu 2
Gentoo and SELinux at \fI\%https://wiki.gentoo.org/wiki/SELinux\fP
.IP \(bu 2
Gentoo Hardened SELinux Project at
\fI\%https://wiki.gentoo.org/wiki/Project:Hardened\fP
.UNINDENT
.SH AUTHOR
Sven Vermeulen <swift@gentoo.org>
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