SYSTEMD_RUN_GENERATOR_SELINUX(8)

💖 systemd_run_generator_selinux 💖

okay bestie, welcome to systemd_run_generator_selinux(8) — yes the manual name is a whole mouthful, we're getting through it together, hold my hand 🫶

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✨ NAME ✨

systemd_run_generator_selinux — the Security Enhanced Linux Policy for the systemd_run_generator processes. that's it, that's the name, slay 💅

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🌸 DESCRIPTION 🌸

Security-Enhanced Linux secures the systemd_run_generator processes via flexible mandatory access control. flexible AND secure? it's giving main character energy fr fr.

The systemd_run_generator processes execute with the systemd_run_generator_t SELinux type. wanna check if you've got these processes running? run the ps command with the -Z qualifier, easy peasy:

ps -eZ | grep systemd_run_generator_t

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🦋 ENTRYPOINTS 🦋

The systemd_run_generator_t SELinux type can be entered via the systemd_run_generator_exec_t file type. that's the door, that's the vibe check at the door ✨

The default entrypoint paths for the systemd_run_generator_t domain are literally these:

/usr/lib/systemd/system-generators/systemd-run-generator

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. every process gets its own lil identity, iconic.

You can see the context of a process using the -Z option to ps. ngl that -Z is your bestie.

Policy governs the access confined processes have to files. SELinux systemd_run_generator policy is very flexible, allowing users to setup their systemd_run_generator processes in as secure a method as possible. we love options 💖

The following process types are defined for systemd_run_generator:

systemd_run_generator_t

Note: semanage permissive -a systemd_run_generator_t can be used to make the process type systemd_run_generator_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 blocking you, but it IS still taking notes 📝

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🎀 BOOLEANS 🎀

SELinux policy is customizable based on least access required. systemd_run_generator policy is extremely flexible and has several booleans that allow you to manipulate the policy and run systemd_run_generator with the tightest access possible. tightest access = locked down = the moment 💅

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

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🌈 MANAGED FILES 🌈

The SELinux process type systemd_run_generator_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. (yes, even with all this SELinux magic, the UID still has to actually be allowed — no shortcuts, no cap 🧚)

• 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

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💜 FILE CONTEXTS 💜

SELinux requires files to have an extended attribute to define the file type. yes, files have labels, files have lore ✨

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 systemd_run_generator policy is very flexible, allowing users to setup their systemd_run_generator processes in as secure a method as possible.

🍓 STANDARD FILE CONTEXT 🍓

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

semanage fcontext -a -t systemd_run_generator_exec_t '/srv/systemd_run_generator/content(/.*)?'
restorecon -R -v /srv/mysystemd_run_generator_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. regexes in my labels? it's more likely than you think 😭

The following file types are defined for systemd_run_generator:

• systemd_run_generator_exec_t
  • Set files with the systemd_run_generator_exec_t type, if you want to transition an executable to the systemd_run_generator_t domain.
• systemd_run_generator_unit_file_t
  • Set files with the systemd_run_generator_unit_file_t type, if you want to treat the files as systemd run generator unit content.

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 chcon = quick lil glow-up that fades, semanage fcontext = permanent transformation 💅

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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. a whole GUI, for the girlies who like buttons 🎀

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🙈 AUTHOR 🙈

This manual page was auto-generated using sepolicy manpage . (yes the robot wrote it, we're just here to make it cute 💖)

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🌸 SEE ALSO 🌸

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

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and that's the whole page bestie, you ate that 🫶 this was systemd_run_generator from the 26-09-29 release, sitting inside the systemd..._selinux(8) manual section — go forth and label things responsibly, mwah 💅✨