bluetooth_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : bluetooth
Note : SELinux Policy bluetooth
NAMEbluetooth_selinux − Security Enhanced Linux Policy for the bluetooth processes
DESCRIPTIONSecurity-Enhanced Linux secures the bluetooth processes via flexible mandatory access control. The bluetooth processes execute with the bluetooth_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 bluetooth_t
ENTRYPOINTSThe bluetooth_t SELinux type can be entered via the bluetooth_exec_t file type. The default entrypoint paths for the bluetooth_t domain are the following: /usr/bin/dund, /usr/bin/hidd, /usr/bin/pand, /usr/sbin/hcid, /usr/sbin/sdpd, /usr/bin/rfcomm, /usr/sbin/hid2hci, /usr/sbin/hciattach, /usr/sbin/bluetoothd, /usr/libexec/bluetooth/bluetoothd
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 bluetooth policy is very flexible allowing users to setup their bluetooth processes in as secure a method as possible. The following process types are defined for bluetooth: bluetooth_t, bluetooth_helper_tNote: semanage permissive -a bluetooth_t can be used to make the process type bluetooth_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. bluetooth policy is extremely flexible and has several booleans that allow you to manipulate the policy and run bluetooth with the tightest access possible. If you want to deny all system processes and Linux users to use bluetooth wireless technology, you must turn on the deny_bluetooth boolean. Enabled by default. setsebool -P deny_bluetooth 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 xguest to use blue tooth devices, you must turn on the xguest_use_bluetooth boolean. Enabled by default. setsebool -P xguest_use_bluetooth 1
MANAGED FILESThe SELinux process type bluetooth_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.
bluetooth_conf_rw_t /etc/bluetooth/link_key
bluetooth_lock_t /var/lock/subsys/bluetoothd
bluetooth_var_lib_t /var/lib/bluetooth(/.*)?
bluetooth_var_run_t /var/run/sdp
/var/run/bluetoothd_address
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
root_t /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
/
/initrd
sysfs_t /sys(/.*)?
usbfs_t
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 bluetooth policy is very flexible allowing users to setup their bluetooth processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the bluetooth, 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 bluetooth_unit_file_t '/srv/mybluetooth_content(/.*)?'
restorecon -R -v /srv/mybluetooth_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for bluetooth: bluetooth_conf_rw_t- Set files with the bluetooth_conf_rw_t type, if you want to treat the files as bluetooth conf read/write content. bluetooth_conf_t- Set files with the bluetooth_conf_t type, if you want to treat the files as bluetooth configuration data, usually stored under the /etc directory. bluetooth_exec_t- Set files with the bluetooth_exec_t type, if you want to transition an executable to the bluetooth_t domain.
Paths: /usr/bin/dund, /usr/bin/hidd, /usr/bin/pand, /usr/sbin/hcid, /usr/sbin/sdpd, /usr/bin/rfcomm, /usr/sbin/hid2hci, /usr/sbin/hciattach, /usr/sbin/bluetoothd, /usr/libexec/bluetooth/bluetoothd bluetooth_helper_exec_t- Set files with the bluetooth_helper_exec_t type, if you want to transition an executable to the bluetooth_helper_t domain. bluetooth_helper_tmp_t- Set files with the bluetooth_helper_tmp_t type, if you want to store bluetooth helper temporary files in the /tmp directories. bluetooth_helper_tmpfs_t- Set files with the bluetooth_helper_tmpfs_t type, if you want to store bluetooth helper files on a tmpfs file system. bluetooth_initrc_exec_t- Set files with the bluetooth_initrc_exec_t type, if you want to transition an executable to the bluetooth_initrc_t domain.
Paths: /etc/rc.d/init.d/dund, /etc/rc.d/init.d/pand, /etc/rc.d/init.d/bluetooth bluetooth_lock_t- Set files with the bluetooth_lock_t type, if you want to treat the files as bluetooth lock data, stored under the /var/lock directory bluetooth_tmp_t- Set files with the bluetooth_tmp_t type, if you want to store bluetooth temporary files in the /tmp directories. bluetooth_unit_file_t- Set files with the bluetooth_unit_file_t type, if you want to treat the files as bluetooth unit content. bluetooth_var_lib_t- Set files with the bluetooth_var_lib_t type, if you want to store the bluetooth files under the /var/lib directory. bluetooth_var_run_t- Set files with the bluetooth_var_run_t type, if you want to store the bluetooth files under the /run or /var/run directory.
Paths: /var/run/sdp, /var/run/bluetoothd_address 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".
SEE ALSOselinux(8), bluetooth(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8), bluetooth_helper_selinux(8), bluetooth_helper_selinux(8) 0
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