systemd_hwdb_selinux(8)

💅 systemd_hwdb_selinux — the manual page, but make it make sense

okay so bestie, this is systemd_hwdb_selinux, and it's literally the SELinux policy page for the systemd_hwdb processes. yes, the whole vibe is "mandatory access control but make it cute." let's get into it 🎀

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✨ NAME ✨

systemd_hwdb_selinux — Security Enhanced Linux Policy for the systemd_hwdb processes. that's it, that's the name, no notes 💖

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🦋 DESCRIPTION 🦋

Security-Enhanced Linux secures the systemd_hwdb processes via flexible mandatory access control. like, it's out here protecting your processes with rules, and honestly? iconic.

The systemd_hwdb processes execute with the systemd_hwdb_t SELinux type. you can check if you've got these processes running by executing the ps command with the -Z qualifier. vibe check your processes, basically 🔍

For example:

ps -eZ | grep systemd_hwdb_t

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🌸 ENTRYPOINTS 🌸

The systemd_hwdb_t SELinux type can be entered via the systemd_hwdb_exec_t file type. that's the doorway, bestie 🚪✨

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

/usr/bin/systemd-hwdb

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👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. yes, every process gets a domain, it's giving assigned seating at the function 💅

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_hwdb policy is very flexible, allowing users to set up their systemd_hwdb processes in as secure a method as possible. flexible and secure, she contains multitudes 🫶

The following process types are defined for systemd_hwdb:

• systemd_hwdb_t

Note: semanage permissive -a systemd_hwdb_t can be used to make the process type systemd_hwdb_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. so like, it stops saying no, but it's still keeping receipts 📝

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🔥 BOOLEANS 🔥

SELinux policy is customizable based on least access required. systemd_hwdb policy is extremely flexible and has several booleans that allow you to manipulate the policy and run systemd_hwdb with the tightest access possible. booleans are literally the switches of the SELinux world, flip responsibly ⚡

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_hwdb_t can manage files labeled with the following file types. the paths listed are the default paths for these file types. and remember: the process's UID still needs to have DAC permissions — SELinux isn't doing everything for you, 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_hwdb_etc_t

/etc/udev/.*hwdb.*

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⭐ FILE CONTEXTS ⭐

SELinux requires files to have an extended attribute to define the file type. it's like every file has to wear a little name tag 🏷️✨

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_hwdb policy is very flexible, allowing users to set up their systemd_hwdb processes in as secure a method as possible. yes we said that already, but it bears repeating, it's that serious 💜

🎀 STANDARD FILE CONTEXT 🎀

SELinux defines the file context types for the systemd_hwdb. 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. like, relabel the whole situation 💅

semanage fcontext -a -t systemd_hwdb_exec_t
'/srv/systemd_hwdb/content(/.*)?'
restorecon -R -v /srv/mysystemd_hwdb_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. regex girlies rise 🙈

The following file types are defined for systemd_hwdb:

• systemd_hwdb_etc_t — Set files with the systemd_hwdb_etc_t type, if you want to store systemd hwdb files in the /etc directories.
• systemd_hwdb_exec_t — Set files with the systemd_hwdb_exec_t type, if you want to transition an executable to the systemd_hwdb_t domain.
• systemd_hwdb_unit_file_t — Set files with the systemd_hwdb_unit_file_t type, if you want to treat the files as systemd hwdb 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. temporary vs permanent, know the difference bestie, no cap 😭

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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. GUI girlies, this one's for you 🖱️✨

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🍓 AUTHOR 🍓

This manual page was auto-generated using sepolicy manpage. yes, a robot wrote it, but i'm the one making it make sense for you bestie 🫶

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💀 SEE ALSO 💀

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

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and that's the whole page!! mwah 💋 this one's from systemd_hwdb, dated 26-10-06, and it lives at systemd_hwdb_selinux(8) — go forth and label responsibly, love u, bye 🦋💖