SYSTEMD_TIMEDATED_SELINUX(8)

💅 systemd_timedated_selinux — the manual, but make it make sense

okay bestie, so this is the systemd_timedated_selinux page — it lives in section 8 of the manual (that's the (8) at the end, admin/system tools territory, iykyk). It's all about the Security-Enhanced Linux policy for the systemd_timedated processes. buckle up, it's actually kind of a lot, but we're gonna get through it together 🫶

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✨ NAME ✨

systemd_timedated_selinux — Security Enhanced Linux Policy for the systemd_timedated processes. literally that's the whole name section, slay.

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🌸 DESCRIPTION 🌸

Security-Enhanced Linux secures the systemd_timedated processes via flexible mandatory access control. yes, mandatory — not the optional kind, she does not ask permission ✨

The systemd_timedated processes execute with the systemd_timedated_t SELinux type. wanna check if you've got these processes running? run the ps command with the -Z qualifier. easy.

For example:

ps -eZ | grep systemd_timedated_t

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🦋 ENTRYPOINTS 🦋

The systemd_timedated_t SELinux type can be entered via the systemd_timedated_exec_t file type. that's the door, bestie 🚪

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

/usr/lib/systemd/systemd-timedated, /usr/lib/systemd/systemd-timesyncd,
/usr/lib/systemd/systemd-time-wait-sync

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. every process gets a lil identity, iconic of her honestly.

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

The following process types are defined for systemd_timedated:

systemd_timedated_t

Note: semanage permissive -a systemd_timedated_t can be used to make the process type systemd_timedated_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. so like, she's not gonna stop you, but she is gonna write it down in her notes 📝💀

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🎀 BOOLEANS 🎀

SELinux policy is customizable based on least access required. systemd_timedated policy is extremely flexible and has several booleans that allow you to manipulate the policy and run systemd_timedated with the tightest access possible. toggles, basically. we love a customizable 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 systemd_timedated_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 said yes but your user still has to be allowed in, no cap.

adjtime_t

/etc/adjtime

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

config_home_t

/root/.kde(/.*)?
/root/.xine(/.*)?
/root/.config(/.*)?
/root/.Xdefaults
/home/[^/]+/.kde(/.*)?
/home/[^/]+/.xine(/.*)?
/home/[^/]+/.config(/.*)?
/home/[^/]+/.cache/dconf(/.*)?
/home/[^/]+/.Xdefaults
/run/user/[0-9]+/dconf(/.*)?

config_usr_t

/usr/share/config(/.*)?

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_passwd_var_run_t

/run/systemd/ask-password(/.*)?
/run/systemd/ask-password-block(/.*)?

systemd_timedated_var_lib_t

/var/lib/systemd/timesync(/.*)?
/var/lib/private/systemd/timesync(/.*)?

systemd_timedated_var_run_t

/run/systemd/timesync(/.*)?

xserver_etc_t

/etc/X11/xorg.conf.d(/.*)?

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💜 FILE CONTEXTS 💜

SELinux requires files to have an extended attribute to define the file type. yes, files have vibes and the vibes are stored in extended attributes, we don't make the rules 🎀

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

⭐ STANDARD FILE CONTEXT ⭐

SELinux defines the file context types for the systemd_timedated. 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. relabel era 💅

semanage fcontext -a -t systemd_timedated_exec_t '/srv/systemd_timedated/content(/.*)?'
restorecon -R -v /srv/mysystemd_timedated_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. regex jumpscare, but she's friendly 💖

The following file types are defined for systemd_timedated:

🧚 systemd_timedated_exec_t

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

Paths:

/usr/lib/systemd/systemd-timedated, /usr/lib/systemd/systemd-timesyncd,
/usr/lib/systemd/systemd-time-wait-sync

🧚 systemd_timedated_unit_file_t

• Set files with the systemd_timedated_unit_file_t type, if you want to treat the files as systemd timedated unit content.

🧚 systemd_timedated_var_lib_t

• Set files with the systemd_timedated_var_lib_t type, if you want to store the systemd timedated files under the /var/lib directory.

Paths:

/var/lib/systemd/timesync(/.*)?, /var/lib/private/systemd/timesync(/.*)?

🧚 systemd_timedated_var_run_t

• Set files with the systemd_timedated_var_run_t type, if you want to store the systemd timedated files under the /run or /var/run 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, choose wisely bestie — chcon is the fling, semanage fcontext 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. a whole GUI, for the girlies who prefer clicking 🖱️✨

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🌟 AUTHOR 🌟

This manual page was auto-generated using sepolicy manpage. not me being written by a script, main character energy fr fr 🤖💅

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📖 SEE ALSO 📖

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

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and that's the whole page, bestie! this one's systemd_timedated, dated 26-10-06, from the systemd_...d_selinux(8) crew — go forth and label responsibly 🦋💖⭐