slapd_selinux(8)

📦
version 20250627+git412.dbf877ab7 · 7 versions
, in opensuse-leap 16.0

💅 slapd_selinux(8) — the bestie edition 🎀

Okay so real talk: this is the slapd_selinux manual page, section 8 of the manual, and it's all about the SELinux policy for slapd. Buckle up, it's actually not scary, iykyk. ✨

🌸 NAME 🌸

slapd_selinux — the Security Enhanced Linux Policy for the slapd processes. That's it, that's the whole vibe.

🦋 DESCRIPTION 🦋

Security-Enhanced Linux secures the slapd processes via flexible mandatory access control. Slay. 💅

The slapd processes execute with the slapd_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 slapd_t

✨ ENTRYPOINTS ✨

The slapd_t SELinux type can be entered via the slapd_exec_t file type. That's the doorway, bestie.

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

/usr/bin/slapd, /usr/lib/slapd, /usr/lib/openldap/slapd

👑 PROCESS TYPES 👑

SELinux defines process types (domains) for each process running on the system. Every process gets a little label, it's giving main character energy for each one. 🫶

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

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

The following process types are defined for slapd:

  • slapd_t
Note: semanage permissive -a slapd_t can be used to make the process type slapd_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 snitching. 😭

🔥 BOOLEANS 🔥

SELinux policy is customizable based on least access required. The slapd policy is extremely flexible and has several booleans that allow you to manipulate the policy and run slapd with the tightest access possible. Tightest access = the look, periodt.

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 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

🎀 MANAGED FILES 🎀

The SELinux process type slapd_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 isn't out here doing your whole job for you, bestie. 💀

  • auth_cache_t
/var/cache/coolkey(/.*)?
  • 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
  • security_t
/selinux
  • slapd_cert_t
/etc/openldap/certs(/.*)?
  • slapd_db_t
/var/lib/ldap(/.*)?
/etc/openldap/slapd.d(/.*)?
/var/lib/openldap-data(/.*)?
/var/lib/openldap-ldbm(/.*)?
/var/lib/openldap-slurpd(/.*)?
  • slapd_lock_t
/run/lock/subsys/ldap
/run/lock/subsys/slapd
  • slapd_log_t
/var/log/ldap.*
/var/log/slapd.*
  • slapd_replog_t
/var/lib/ldap/replog(/.*)?
  • slapd_tmp_t — no default paths listed for this one, it just vibes. 🌈
  • slapd_tmpfs_t — also no default paths listed. Iconic of it.
  • slapd_var_run_t
/run/openldap(/.*)?
/run/ldapi
/run/slapd.pid
/run/slapd.args

🧚 FILE CONTEXTS 🧚

SELinux requires files to have an extended attribute to define the file type. Every file needs its little label, no cap.

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

🍓 EQUIVALENCE DIRECTORIES 🍓

slapd policy stores data with multiple different file context types under the /var/lib/ldap directory. If you would like to store the data in a different directory you can use the semanage command to create an equivalence mapping. If you wanted to store this data under the /srv directory you would execute the following command:

semanage fcontext -a -e /var/lib/ldap /srv/ldap
restorecon -R -v /srv/ldap

💜 STANDARD FILE CONTEXT 💜

SELinux defines the file context types for the slapd. 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. Two-step process, bestie, don't skip the second one. 🙈

semanage fcontext -a -t slapd_exec_t '/srv/slapd/content(/.*)?'
restorecon -R -v /srv/myslapd_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 slapd:

slapd_cert_t

  • Set files with the slapd_cert_t type, if you want to treat the files as slapd certificate data.

slapd_db_t

  • Set files with the slapd_db_t type, if you want to treat the files as slapd database content.

Paths:

/var/lib/ldap(/.*)?, /etc/openldap/slapd.d(/.*)?,
/var/lib/openldap-data(/.*)?, /var/lib/openldap-ldbm(/.*)?,
/var/lib/openldap-slurpd(/.*)?

slapd_etc_t

  • Set files with the slapd_etc_t type, if you want to store slapd files in the /etc directories.

slapd_exec_t

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

Paths:

/usr/bin/slapd, /usr/lib/slapd, /usr/lib/openldap/slapd

slapd_initrc_exec_t

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

slapd_keytab_t

  • Set files with the slapd_keytab_t type, if you want to treat the files as kerberos keytab files.

slapd_lock_t

  • Set files with the slapd_lock_t type, if you want to treat the files as slapd lock data, stored under the /var/lock directory.

Paths:

/run/lock/subsys/ldap, /run/lock/subsys/slapd

slapd_log_t

  • Set files with the slapd_log_t type, if you want to treat the data as slapd log data, usually stored under the /var/log directory.

Paths:

/var/log/ldap.*, /var/log/slapd.*

slapd_replog_t

  • Set files with the slapd_replog_t type, if you want to treat the files as slapd replog data.

slapd_tmp_t

  • Set files with the slapd_tmp_t type, if you want to store slapd temporary files in the /tmp directories.

slapd_tmpfs_t

  • Set files with the slapd_tmpfs_t type, if you want to store slapd files on a tmpfs file system.

slapd_unit_file_t

  • Set files with the slapd_unit_file_t type, if you want to treat the files as slapd unit content.

slapd_var_run_t

  • Set files with the slapd_var_run_t type, if you want to store the slapd files under the /run or /var/run directory.

Paths:

/run/openldap(/.*)?, /run/ldapi, /run/slapd.pid, /run/slapd.args
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, it'll save you. 😭

⭐ 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 like clicking. 🖱️✨

🌈 AUTHOR 🌈

This manual page was auto-generated using sepolicy manpage. Not me writing it by hand, the robots ate. 🤖💅

🫶 SEE ALSO 🫶

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

And that's the whole page, bestie! This one's from slapd, dated 26-10-06, and it's slapd_selinux(8) all the way down. Go forth and label your files correctly, ily. 💖🎀🦋

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