ninfod_selinux(8)

✨ ninfod_selinux(8) ✨

okay bestie, so you know how your ninfod processes need to be, like, secure but also not a whole vibe killer? that's literally what this is about. it's the SELinux policy page for ninfod, and we're gonna get into it. this manual page is from the ninfod_selinux set, section 8 (iykyk, that means system admin stuff). let's go! 💅

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💖 NAME 💖

ninfod_selinux — it's giving Security Enhanced Linux Policy for the ninfod processes. periodt.

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🦋 DESCRIPTION 🦋

Security-Enhanced Linux (SELinux) secures the ninfod processes, no cap, through flexible mandatory access control. it's the main character energy that keeps things on lock. ✨

The ninfod processes execute with the ninfod_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier.

For example:

ps -eZ | grep ninfod_t

see? easy. 🔍

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🌸 ENTRYPOINTS 🌸

The ninfod_t SELinux type can be entered via the ninfod_exec_t file type. it's like the VIP door for this domain.

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

/usr/bin/ninfod

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🎀 PROCESS TYPES 🎀

okay so SELinux defines process types (domains) for each process running on the system. slay for organization. 💅

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

Policy governs the access confined processes have to files. SELinux ninfod policy is very flexible allowing users to setup their ninfod processes in as secure a method as possible.

The following process types are defined for ninfod:

ninfod_t

Note: semanage permissive -a ninfod_t can be used to make the process type ninfod_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated. it's like a warning card, not a block. 🙈

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🧚 BOOLEANS 🧚

SELinux policy is customizable based on least access required. ninfod policy is extremely flexible and has several booleans that allow you to manipulate the policy and run ninfod with the tightest access possible. lowkey obsessed with how much control you have. 💖

• 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 ninfod_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. so many types, so much slay. 🎀

• 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

• ninfod_run_t

/run/ninfod.*

• 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. it's like every file needs its own little label, okay? 🏷️

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

⭐ STANDARD FILE CONTEXT ⭐

SELinux defines the file context types for the ninfod, 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. it's a two-step slay. 💅

semanage fcontext -a -t ninfod_exec_t '/srv/ninfod/content(/.*)?'
restorecon -R -v /srv/myninfod_content

Note: SELinux often uses regular expressions to specify labels that match multiple files. so fancy. ✨

The following file types are defined for ninfod:

• ninfod_exec_t — Set files with the ninfod_exec_t type, if you want to transition an executable to the ninfod_t domain.
• ninfod_run_t — Set files with the ninfod_run_t type, if you want to treat the files as ninfod run data.
• ninfod_unit_file_t — Set files with the ninfod_unit_file_t type, if you want to treat the files as ninfod 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 don't forget that step! 🫶

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🔥 COMMANDS 🔥

semange fcontext can also be used to manipulate default file context mappings.

semange permissive can also be used to manipulate whether or not a process type is permissive.

semange module can also be used to enable/disable/install/remove policy modules.

semange boolean can also be used to manipulate the booleans.

system-config-selinux is a GUI tool available to customize SELinux policy settings. for when you want to point and click instead of type, and honestly? valid. 👑

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👑 AUTHOR 👑

This manual page was auto-generated using sepolicy manpage. the robots did the work, we just made it cute. 💖

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🌟 SEE ALSO 🌟

selinux(8), ninfod(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) — go read these if you want the full lore. iykyk. 📚

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anyway, that's the tea! this page was auto-generated on 26-10-06 for version 8 of the manual. hope this helped bestie, now go secure those ninfod processes! 🎀✨💅