sysadm_sudo_selinux(8)

💅 sysadm_sudo_selinux — bestie edition 🎀

okay so this is the manual page for sysadm_sudo_selinux in section 8, and honestly? it's giving security-realness. let's get into it.

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✨ NAME ✨

sysadm_sudo_selinux — the Security Enhanced Linux policy for the sysadm_sudo processes 🫶

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🌸 DESCRIPTION 🌸

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

The sysadm_sudo processes execute with the sysadm_sudo_t SELinux type. you can check if you have these processes running by executing the ps command with the -Z qualifier. literally just do this:

ps -eZ | grep sysadm_sudo_t

slay. 💅

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🦋 ENTRYPOINTS 🦋

The sysadm_sudo_t SELinux type can be entered via the sudo_exec_t file type.

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

/usr/bin/sudo(edit)?

that's it, that's the path. iconic. ✨

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💜 PROCESS TYPES 💜

SELinux defines process types (domains) for each process running on the system.

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 sysadm_sudo policy is very flexible, allowing users to setup their sysadm_sudo processes in as secure a method as possible. bestie, flexibility AND security? we love to see it. 😭

The following process types are defined for sysadm_sudo:

• sysadm_sudo_t

Note: semanage permissive -a sysadm_sudo_t can be used to make the process type sysadm_sudo_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 it's still watching you 👀

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🎀 BOOLEANS 🎀

SELinux policy is customizable based on least access required. the sysadm_sudo policy is extremely flexible and has several booleans that allow you to manipulate the policy and run sysadm_sudo with the tightest access possible. tightest access possible = main character energy fr. 👑

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 confined applications to run with kerberos, you must turn on the kerberos_enabled boolean. Enabled by default.

setsebool -P kerberos_enabled 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

three booleans, three vibes. periodt. 💅

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🌈 MANAGED FILES 🌈

The SELinux process type sysadm_sudo_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. (yes, even with all this SELinux goodness, DAC permissions still matter — it's giving layers on layers. 🧚)

cifs_t

no default paths listed, it's mysterious like that. 🦋

ecryptfs_t

/home/[^/]+/.Private(/.*)?
/home/[^/]+/.ecryptfs(/.*)?

faillog_t

/var/log/btmp.*
/run/faillock(/.*)?
/var/log/faillog.*
/var/log/tallylog.*

fusefs_t

/run/user/[0-9]+/gvfs

initrc_var_run_t

/run/sysconfig(/.*)?
/run/utmp
/run/keymap
/run/numlock-on
/run/setleds-on
/run/runlevel.dir
/run/setmixer_flag
/run/bootsplashctl

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

lastlog_t

/var/log/lastlog.*
/var/lib/lastlog(/.*)?

nfs_t

also no default paths listed. lowkey mysterious. 🌙

pam_var_run_t

/var/(db|adm)/sudo(/.*)?
/run/sudo(/.*)?
/run/pam_ssh(/.*)?
/run/sepermit(/.*)?
/var/lib/sudo(/.*)?
/run/pam_mount(/.*)?
/run/pam_timestamp(/.*)?

security_t

/selinux

sudo_db_t

/var/db/sudo(/.*)?

sudo_log_t

/var/log/sudo-io(/.*)?
/var/log/sudo.log

sysadm_sudo_tmp_t

no default paths listed — it's a vibe, not a path. 💫

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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? in my terminal? it's more likely than you think 🫶)

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🌸 AUTHOR 🌸

This manual page was auto-generated using sepolicy manpage. not me being auto-generated and still having more personality than some hand-written docs 💀

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👑 SEE ALSO 👑

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

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okay bestie that's the whole page 💖 this was sysadm_sudo from the SELinux Policy collection, version 26-10-06, and yes the date is giving retro but the policy is timeless. go forth and be secure! 🎀✨🍓