system...elinux(8)

✨ system...elinux(8) — the systemd_hibernate_resume edition ✨

okay so this is a page from the system...elinux(8) manual, and today's main character is systemd_hibernate_resume. Buckle up bestie 💅

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💖 NAME 💖

systemd_hibernate_resume_selinux — the Security Enhanced Linux Policy for the systemd_hibernate_resume processes. that's it, that's the name, no notes 🎀

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🦋 DESCRIPTION 🦋

Security-Enhanced Linux secures the systemd_hibernate_resume processes via flexible mandatory access control. yes ma'am, flexible and mandatory, it's giving boundaries 🌸

The systemd_hibernate_resume processes execute with the systemd_hibernate_resume_t SELinux type. Wanna check if you've got these processes running? literally just run ps with the -Z qualifier, easy:

ps -eZ | grep systemd_hibernate_resume_t

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🚪 ENTRYPOINTS 🚪

The systemd_hibernate_resume_t SELinux type can be entered via the systemd_hibernate_resume_exec_t file type. that's the doorway, the portal, the vibe gateway 🔥

The default entrypoint paths for the systemd_hibernate_resume_t domain are the following, no cap:

/usr/lib/systemd/systemd-hibernate-resume

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. everyone gets a domain, it's only fair 💜

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 systemd_hibernate_resume policy is very flexible, allowing users to setup their systemd_hibernate_resume processes in as secure a method as possible. obsessed with the flexibility ngl ✨

The following process types are defined for systemd_hibernate_resume:

systemd_hibernate_resume_t

Note: semanage permissive -a systemd_hibernate_resume_t can be used to make the process type systemd_hibernate_resume_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. so like, it won't block you, but it WILL still be watching and taking notes 😭

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🍓 BOOLEANS 🍓

SELinux policy is customizable based on least access required — minimal queen behaviour honestly. The systemd_hibernate_resume policy is extremely flexible and has several booleans that allow you to manipulate the policy and run systemd_hibernate_resume with the tightest access possible. let's go through them 🫶

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_hibernate_resume_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 said "i'll handle labels, but DAC is your problem 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

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🎀 FILE CONTEXTS 🎀

SELinux requires files to have an extended attribute to define the file type. every file needs its little label, it's like a name tag at a party ✨

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 systemd_hibernate_resume policy is very flexible, allowing users to setup their systemd_hibernate_resume processes in as secure a method as possible. highkey iconic 🦋

🌈 STANDARD FILE CONTEXT 🌈

SELinux defines the file context types for systemd_hibernate_resume. 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. here's the whole glow-up routine:

semanage fcontext -a -t systemd_hibernate_resume_exec_t
'/srv/systemd_hibernate_resume/content(/.*)?'
restorecon -R -v /srv/mysystemd_hibernate_resume_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_hibernate_resume:

systemd_hibernate_resume_exec_t

• Set files with the systemd_hibernate_resume_exec_t type, if you want to transition an executable to the systemd_hibernate_resume_t domain. slay, a whole domain transition 💅

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 😭

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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 GUI!! for the girlies who like clicking 🌸

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✍️ AUTHOR ✍️

This manual page was auto-generated using sepolicy manpage. not me being written by a script 😭 a robot did this, and honestly? she ate 🤖💖

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🔗 SEE ALSO 🔗

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

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okay that's the whole page!! 💜 this was systemd_hibernate_resume, dated 26-10-06, living in the system...elinux(8) manual — go forth and label responsibly, bestie 🫶✨