systemd_p...e_selinux(8)

💖 NAME 💖

Bestie, welcome to the systemd_pstore_selinux(8) page — it's the SELinux policy manual for the systemd_pstore processes, aka Security Enhanced Linux Policy for the systemd_pstore processes. Iconic, honestly. 💅

✨ DESCRIPTION ✨

Security-Enhanced Linux secures the systemd_pstore processes via flexible mandatory access control. No cap, that's the whole vibe.

The systemd_pstore processes execute with the systemd_pstore_t SELinux type. Wanna check if you've got these processes running? Run the ps command with the -Z qualifier, like this:

ps -eZ | grep systemd_pstore_t

🦋 ENTRYPOINTS 🦋

The systemd_pstore_t SELinux type can be entered via the systemd_pstore_exec_t file type. That's the doorway, basically.

The default entrypoint paths for the systemd_pstore_t domain are literally:

/usr/lib/systemd/systemd-pstore

🌸 PROCESS TYPES 🌸

SELinux defines process types (domains) for each process running on the system. Yes, every single one has main character energy.

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

Policy governs the access confined processes have to files. SELinux systemd_pstore policy is very flexible, allowing users to setup their systemd_pstore processes in as secure a method as possible. Obsessed with the flexibility, honestly.

The following process types are defined for systemd_pstore:

• systemd_pstore_t

Note: semanage permissive -a systemd_pstore_t can be used to make the process type systemd_pstore_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. So like, it's chill but not silent chill. 😭

🎀 BOOLEANS 🎀

SELinux policy is customizable based on least access required. systemd_pstore policy is extremely flexible and has several booleans that allow you to manipulate the policy and run systemd_pstore with the tightest access possible. Tightest access possible is the aesthetic. ✨

• daemons_dontaudit_scheduling — 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

• fips_mode — 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

• nis_enabled — 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

🧚 MANAGED FILES 🧚

The SELinux process type systemd_pstore_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 — SELinux is not out here doing DAC's job for it, bestie. 💀

• 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

• systemd_pstore_var_lib_t

/var/lib/systemd/pstore(/.*)?

🌈 FILE CONTEXTS 🌈

SELinux requires files to have an extended attribute to define the file type. It's giving very "labels are everything."

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

💜 STANDARD FILE CONTEXT 💜

SELinux defines the file context types for the systemd_pstore. 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. Slay.

semanage fcontext -a -t systemd_pstore_exec_t
'/srv/systemd_pstore/content(/.*)?'
restorecon -R -v /srv/mysystemd_pstore_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 systemd_pstore:

• systemd_pstore_exec_t — Set files with the systemd_pstore_exec_t type, if you want to transition an executable to the systemd_pstore_t domain.
• systemd_pstore_var_lib_t — Set files with the systemd_pstore_var_lib_t type, if you want to store the systemd pstore files under the /var/lib directory.

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 vs permanent is literally not the same vibe, bestie. 😭

🔥 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.

👑 AUTHOR 👑

This manual page was auto-generated using sepolicy manpage .

⭐ SEE ALSO ⭐

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

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This iconic little page is from systemd_pstore, version/date 26-10-06, and it lives in the systemd_p...e_selinux(8) manual slot. Bye bestie, go label something safely! 💅✨🫶