ciped_selinux(8)

💖 ciped_selinux — the SELinux glow-up for ciped processes 💖

Okay bestie, so this whole page? It's about the SELinux manual for ciped_selinux(8), and it's literally the security blueprint for the ciped processes on your system. Let's get into it ✨

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🎀 NAME 🎀

ciped_selinux — Security Enhanced Linux Policy for the ciped processes. That's it, that's the whole vibe. It's the security bestie for ciped.

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✨ DESCRIPTION ✨

So, Security-Enhanced Linux secures the ciped processes via flexible mandatory access control. Yes, mandatory. It's giving "you WILL behave" energy 💅

The ciped processes execute with the ciped_t SELinux type. Wanna check if you've got these processes running? Just execute the ps command with the -Z qualifier.

For example:

ps -eZ | grep ciped_t

Run that and you'll see exactly what's up 🫶

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🌸 ENTRYPOINTS 🌸

The ciped_t SELinux type can be entered via the ciped_exec_t file type. That's the doorway, bestie.

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

/usr/bin/ciped.*

Periodt. That's where it lives 💜

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🦋 PROCESS TYPES 🦋

SELinux defines process types (domains) for each process running on the system. It's a whole thing, okay?

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

Policy governs the access confined processes have to files. SELinux ciped policy is very flexible, lowkey allowing users to setup their ciped processes in as secure a method as possible. Iconic behavior, honestly 🔥

The following process types are defined for ciped:

ciped_t

Note: semanage permissive -a ciped_t can be used to make the process type ciped_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. So like, it's not FULLY free, it's just chiller. You'll still see the receipts 😭

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💅 BOOLEANS 💅

SELinux policy is customizable based on least access required. The ciped policy is extremely flexible and has several booleans that allow you to manipulate the policy and run ciped with the tightest access possible. It's giving ✨ customizable queen ✨

If you want to dontaudit all daemons scheduling requests (setsched, sys_nice), you must turn on the daemons_dontaudit_scheduling boolean. This one is 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. This one is also 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. This one is Disabled by default, just so you know 🫡

setsebool -P nis_enabled 1

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🧚 MANAGED FILES 🧚

The SELinux process type ciped_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. Don't forget, the OS isn't gonna hand over keys just because SELinux said okay, iykyk.

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

root_t

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

That's the whole roster, bestie. Main character file types only 👑

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🌈 FILE CONTEXTS 🌈

SELinux requires files to have an extended attribute to define the file type. It's like a name tag but for security 🏷️

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 ciped policy is very flexible, lowkey allowing users to setup their ciped processes in as secure a method as possible. (Yes, we're saying it again, it bears repeating okay?)

⭐ STANDARD FILE CONTEXT ⭐

SELinux defines the file context types for the ciped. 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. It's a two-step slay 💃

semanage fcontext -a -t ciped_exec_t '/srv/ciped/content(/.*)?'
restorecon -R -v /srv/myciped_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. Regex girlies stay winning.

The following file types are defined for ciped:

ciped_exec_t

• Set files with the ciped_exec_t type, if you want to transition an executable to the ciped_t domain. That's the glow-up transition ✨

ciped_initrc_exec_t

• Set files with the ciped_initrc_exec_t type, if you want to transition an executable to the ciped_initrc_t domain. A different domain, a different vibe 💫

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 quick fix, semanage fcontext + restorecon is the committed relationship 💍 Don't mix them up.

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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. For the visual learners, we see you 🫶

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👑 AUTHOR 👑

This manual page was auto-generated using sepolicy manpage. Shoutout to the automation, no cap 🤖

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🔥 SEE ALSO 🔥

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

Go read those if you want the full lore, bestie 📚

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That's the whole page, and it's from the ciped manual, version 26-10-06 (date 26-10-06), so you know it's official official. Go forth and slay your SELinux config 💖🌈✨