cgclear_selinux(8)

💅 cgclear_selinux(8) — the SELinux policy for cgclear, bestie edition

okay so real talk: this is the cgclear_selinux manual page, section 8, and it's all about how SELinux wraps its whole vibe around the cgclear processes. pull up a chair, we're doing policy today ✨

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🎀 NAME 🎀

cgclear_selinux — the Security Enhanced Linux Policy for the cgclear processes. yes that's the whole name section, she's brief and she's iconic 💅

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🌸 DESCRIPTION 🌸

Security-Enhanced Linux secures the cgclear processes via flexible mandatory access control. that's the whole pitch, no cap.

So the cgclear processes execute with the cgclear_t SELinux type. wanna check if you've got these processes running rn? just run the ps command with the -Z qualifier, easy:

ps -eZ | grep cgclear_t

like, that's it. that's the vibe check 🔍

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🦋 ENTRYPOINTS 🦋

The cgclear_t SELinux type can be entered via the cgclear_exec_t file type. that's the door, that's the entryway, that's the main character entrance 🚪✨

The default entrypoint paths for the cgclear_t domain are the following:

/usr/bin/cgclear

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system.

You can see the context of a process using the -Z option to ps.

Policy governs the access confined processes have to files. SELinux cgclear policy is very flexible allowing users to setup their cgclear processes in as secure a method as possible.

The following process types are defined for cgclear:

cgclear_t

Note: semanage permissive -a cgclear_t can be used to make the process type cgclear_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. so like, it stops blocking but it's still gonna gossip about you in the logs, iykyk 😭

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✨ BOOLEANS ✨

SELinux policy is customizable based on least access required. cgclear policy is extremely flexible and has several booleans that allow you to manipulate the policy and run cgclear with the tightest access possible. little switches, little toggles, we love a configurable queen 🎛️

If you want to dontaudit all daemons scheduling requests (setsched, sys_nice), you must turn on the daemons_dontaudit_scheduling boolean. Enabled by default.

setsebool -P daemons_dontaudit_scheduling 1

If you want to allow all domains to execute in fips_mode, you must turn on the fips_mode boolean. Enabled by default.

setsebool -P fips_mode 1

If you want to allow system to run with NIS, you must turn on the nis_enabled boolean. Disabled by default.

setsebool -P nis_enabled 1

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🍓 MANAGED FILES 🍓

The SELinux process type cgclear_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions. like, SELinux says yes but your user still has to have the keys, both bouncers check the list 🔑

cluster_conf_t

/etc/cluster(/.*)?

cluster_var_lib_t

/var/lib/pcsd(/.*)?
/var/lib/cluster(/.*)?
/var/lib/openais(/.*)?
/var/lib/pengine(/.*)?
/var/lib/corosync(/.*)?
/usr/lib/heartbeat(/.*)?
/var/lib/heartbeat(/.*)?
/var/lib/pacemaker(/.*)?

cluster_var_run_t

/run/crm(/.*)?
/run/cman_.*
/run/rsctmp(/.*)?
/run/aisexec.*
/run/heartbeat(/.*)?
/run/pcsd-ruby.socket
/run/corosync-qnetd(/.*)?
/run/corosync-qdevice(/.*)?
/run/pcsd.socket
/run/corosync.pid
/run/cpglockd.pid
/run/rgmanager.pid
/run/cluster/rgmanager.sk

krb5_host_rcache_t

/var/tmp/krb5_0.rcache2
/var/cache/krb5rcache(/.*)?
/var/tmp/nfs_0
/var/tmp/DNS_25
/var/tmp/host_0
/var/tmp/imap_0
/var/tmp/HTTP_23
/var/tmp/HTTP_48
/var/tmp/ldap_55
/var/tmp/ldap_487
/var/tmp/ldapmap1_0

root_t

/sysroot/.aleph-version.json
/sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
/
/initrd
/var/lib/ntp

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💖 FILE CONTEXTS 💖

SELinux requires files to have an extended attribute to define the file type. yes, the files literally carry their own label around, we stan a self-identifying icon 🏷️

You can see the context of a file using the -Z option to ls.

Policy governs the access confined processes have to these files. SELinux cgclear policy is very flexible allowing users to setup their cgclear processes in as secure a method as possible.

🌈 STANDARD FILE CONTEXT 🌈

SELinux defines the file context types for the cgclear, if you wanted to store files with these types in a different paths, you need to execute the semanage command to specify alternate labeling and then use restorecon to put the labels on disk.

semanage fcontext -a -t cgclear_exec_t '/srv/cgclear/content(/.*)?'
restorecon -R -v /srv/mycgclear_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. regex girlies rise 🙈

The following file types are defined for cgclear:

cgclear_exec_t

• Set files with the cgclear_exec_t type, if you want to transition an executable to the cgclear_t domain.

Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels. so like, chcon is the temporary tattoo and semanage fcontext is the real ink, don't get it twisted 💀

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🧚 COMMANDS 🧚

• semanage fcontext can also be used to manipulate default file context mappings.
• semanage permissive can also be used to manipulate whether or not a process type is permissive.
• semanage module can also be used to enable/disable/install/remove policy modules.
• semanage boolean can also be used to manipulate the booleans.
• system-config-selinux is a GUI tool available to customize SELinux policy settings.

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💜 AUTHOR 💜

This manual page was auto-generated using sepolicy manpage. a machine wrote this, she's a bot but she ate 🤖💅

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⭐ SEE ALSO ⭐

selinux(8), cgclear(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8)

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okay that's the whole page bestie, you're officially policy-literate 🫶 this was cgclear (that's the source/version right there, she's the whole brand) and the date on this beauty is 26-10-06. go forth and label responsibly, mwah 💖🌸