keyutils..._selinux(8)

✨ NAME ✨

keyutils_request_selinux — the Security Enhanced Linux Policy page for real, for the keyutils_request processes 💅

(also hi bestie, this is from the keyutils..._selinux(8) manual, keep that in your notes 🎀)

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🦋 DESCRIPTION 🦋

okay so. Security-Enhanced Linux secures the keyutils_request processes via flexible mandatory access control. That's the whole vibe — flexible, mandatory, access control, no cap.

The keyutils_request processes execute with the keyutils_request_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier.

For example:

ps -eZ | grep keyutils_request_t

literally that's it. run it and see who's living in that domain 🔥

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🚪 ENTRYPOINTS 🚪

The keyutils_request_t SELinux type can be entered via the keyutils_request_exec_t file type. That's the door, bestie 🚪✨

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

/usr/share/keyutils/request-key-debug.sh, /usr/bin/request-key

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. Every process gets a little label, it's giving assigned seating at a wedding 💐

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

Policy governs the access confined processes have to files. The SELinux keyutils_request policy is very flexible, allowing users to setup their keyutils_request processes in as secure a method as possible. Flexible and secure, we love to see it 🫶

The following process types are defined for keyutils_request:

• keyutils_request_t

Note: semanage permissive -a keyutils_request_t can be used to make the process type keyutils_request_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. So it's like, it stops blocking you but it still talks about you 😭 the AVC messages are the group chat receipts.

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🔘 BOOLEANS 🔘

SELinux policy is customizable based on least access required — least privilege queen behavior 👑 keyutils_request policy is extremely flexible and has several booleans that allow you to manipulate the policy and run keyutils_request with the tightest access possible. Tightest access possible, literally the fitted version of permissions 🎀

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

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📁 FILE CONTEXTS 📁

SELinux requires files to have an extended attribute to define the file type. Every file's got lore, and the lore lives in the extended attribute ✨

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

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

🌸 STANDARD FILE CONTEXT 🌸

SELinux defines the file context types for the keyutils_request. 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. Two steps, no skipping, that's the rule 💅

semanage fcontext -a -t keyutils_request_exec_t '/srv/keyutils_request/content(/.*)?'
restorecon -R -v /srv/mykeyutils_request_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. Regex jumped out, iconic behavior 🧚

The following file types are defined for keyutils_request:

• keyutils_request_exec_t — Set files with the keyutils_request_exec_t type, if you want to transition an executable to the keyutils_request_t domain.

Paths:

/usr/share/keyutils/request-key-debug.sh, /usr/bin/request-key

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. Temporary fix vs permanent fix — chcon is the situationship, semanage fcontext + restorecon is the committed relationship 😭💖

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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.

the semanage family really said "we do it all" and honestly? they ate 🌈

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✍️ AUTHOR ✍️

This manual page was auto-generated using sepolicy manpage. No human hand-wrote this, it's a bot baby 🤖✨

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👀 SEE ALSO 👀

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

go read those too, iykyk 📚🦋

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okay that's the whole page bestie, you're officially fluent in keyutils_request SELinux policy 🎀✨

sign-off time 💖 — this came from keyutils_request, dated 26-10-06, in the keyutils..._selinux(8) manual. slay, go label some files, mwah 💅