policykit_selinux.8 - Online Linux Manual Page

policykit_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : policykit
Note : SELinux Policy policykit

NAMEpolicykit_selinux − Security Enhanced Linux Policy for the policykit processes

DESCRIPTIONSecurity-Enhanced Linux secures the policykit processes via flexible mandatory access control. The policykit processes execute with the policykit_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 policykit_t

ENTRYPOINTSThe policykit_t SELinux type can be entered via the policykit_exec_t file type. The default entrypoint paths for the policykit_t domain are the following: /usr/libexec/polkitd.*, /usr/libexec/polkit-1/polkitd.*, /usr/lib/polkit-1/polkitd, /usr/lib/policykit/polkitd

PROCESS TYPESSELinux 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. SELinux policykit policy is very flexible allowing users to setup their policykit processes in as secure a method as possible. The following process types are defined for policykit: policykit_t, policykit_auth_t, policykit_grant_t, policykit_resolve_tNote: semanage permissive -a policykit_t can be used to make the process type policykit_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated.

BOOLEANSSELinux policy is customizable based on least access required. policykit policy is extremely flexible and has several booleans that allow you to manipulate the policy and run policykit with the tightest access possible. 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 FILESThe SELinux process type policykit_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.
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 /var/run/crm(/.*)?
/var/run/cman_.*
/var/run/rsctmp(/.*)?
/var/run/aisexec.*
/var/run/heartbeat(/.*)?
/var/run/pcsd-ruby.socket
/var/run/corosync-qnetd(/.*)?
/var/run/corosync-qdevice(/.*)?
/var/run/corosync.pid
/var/run/cpglockd.pid
/var/run/rgmanager.pid
/var/run/cluster/rgmanager.sk

policykit_reload_t /var/lib/misc/PolicyKit.reload

policykit_var_lib_t /var/lib/polkit-1(/.*)?
/var/lib/PolicyKit(/.*)?
/var/lib/PolicyKit-public(/.*)?

policykit_var_run_t /var/run/PolicyKit(/.*)?

root_t /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
/
/initrd

security_t /selinux

FILE CONTEXTSSELinux requires files to have an extended attribute to define the file type. 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 policykit policy is very flexible allowing users to setup their policykit processes in as secure a method as possible. EQUIVALENCE DIRECTORIES policykit policy stores data with multiple different file context types under the /var/lib/PolicyKit 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/PolicyKit /srv/PolicyKit
restorecon -R -v /srv/PolicyKit STANDARD FILE CONTEXT SELinux defines the file context types for the policykit, if you wanted to store files with these types in a diffent paths, you need to execute the semanage command to sepecify alternate labeling and then use restorecon to put the labels on disk. semanage fcontext -a -t policykit_var_run_t '/srv/mypolicykit_content(/.*)?'
restorecon -R -v /srv/mypolicykit_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for policykit: policykit_auth_exec_t- Set files with the policykit_auth_exec_t type, if you want to transition an executable to the policykit_auth_t domain.
Paths: /usr/bin/pkla-check-authorization, /usr/libexec/polkit-read-auth-helper, /usr/lib/polkit-1/polkit-agent-helper-1, /usr/lib/policykit/polkit-read-auth-helper, /usr/libexec/polkit-1/polkit-agent-helper-1, /usr/libexec/kde4/polkit-kde-authentication-agent-1 policykit_exec_t- Set files with the policykit_exec_t type, if you want to transition an executable to the policykit_t domain.
Paths: /usr/libexec/polkitd.*, /usr/libexec/polkit-1/polkitd.*, /usr/lib/polkit-1/polkitd, /usr/lib/policykit/polkitd policykit_grant_exec_t- Set files with the policykit_grant_exec_t type, if you want to transition an executable to the policykit_grant_t domain.
Paths: /usr/libexec/polkit-grant-helper.*, /usr/lib/policykit/polkit-grant-helper.* policykit_reload_t- Set files with the policykit_reload_t type, if you want to treat the files as policykit reload data. policykit_resolve_exec_t- Set files with the policykit_resolve_exec_t type, if you want to transition an executable to the policykit_resolve_t domain.
Paths: /usr/libexec/polkit-resolve-exe-helper.*, /usr/lib/policykit/polkit-resolve-exe-helper.* policykit_tmp_t- Set files with the policykit_tmp_t type, if you want to store policykit temporary files in the /tmp directories. policykit_var_lib_t- Set files with the policykit_var_lib_t type, if you want to store the policykit files under the /var/lib directory.
Paths: /var/lib/polkit-1(/.*)?, /var/lib/PolicyKit(/.*)?, /var/lib/PolicyKit-public(/.*)? policykit_var_run_t- Set files with the policykit_var_run_t type, if you want to store the policykit files under the /run or /var/run directory. 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.

COMMANDSsemanage 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.

AUTHORThis manual page was auto-generated using sepolicy manpage".

Johanes Gumabo

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