cvs_selinux(8) SELinux Policy documentation for cvs cvs_selinux(8)

NAME cvs_selinux - Security Enhanced Linux Policy for the cvs processes

DESCRIPTION Security-Enhanced Linux secures the cvs processes via flexible manda- tory access control.

The cvs processes execute with the cvs_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 cvs_t

ENTRYPOINTS The cvs_t SELinux type can be entered via the "cvs_exec_t" file type. The default entrypoint paths for the cvs_t domain are the following:"

/usr/bin/cvs

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

The following process types are defined for cvs:

cvs_t

Note: semanage permissive -a cvs_t

can be used to make the process type cvs_t permissive. Permissive pro- cess types are not denied access by SELinux. AVC messages will still be generated.

BOOLEANS SELinux policy is customizable based on least access required. cvs policy is extremely flexible and has several booleans that allow you to manipulate the policy and run cvs with the tightest access possible.

If you want to allow cvs daemon to read shadow, you must turn on the allow_cvs_read_shadow boolean.

setsebool -P allow_cvs_read_shadow 1

If you want to allow cvs daemon to read shadow, you must turn on the allow_cvs_read_shadow boolean.

setsebool -P allow_cvs_read_shadow 1

FILE CONTEXTS SELinux 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 cvs policy is very flexible allowing users to setup their cvs processes in as secure a method as possible.

The following file types are defined for cvs:

cvs_data_t

- Set files with the cvs_data_t type, if you want to treat the files as cvs content.

cvs_exec_t

- Set files with the cvs_exec_t type, if you want to transition an exe- cutable to the cvs_t domain.

cvs_initrc_exec_t

- Set files with the cvs_initrc_exec_t type, if you want to transition an executable to the cvs_initrc_t domain.

cvs_keytab_t

- Set files with the cvs_keytab_t type, if you want to treat the files as kerberos keytab files.

cvs_tmp_t

- Set files with the cvs_tmp_t type, if you want to store cvs temporary files in the /tmp directories.

cvs_var_run_t

- Set files with the cvs_var_run_t type, if you want to store the cvs files under the /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.

PORT TYPES SELinux defines port types to represent TCP and UDP ports.

You can see the types associated with a port by using the following command:

semanage port -l

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

The following port types are defined for cvs:

cvs_port_t

Default Defined Ports: tcp 2401 udp 2401

MANAGED FILES The SELinux process type cvs_t can manage files labeled with the fol- lowing file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.

cvs_data_t

/opt/cvs(/.*)? /var/cvs(/.*)?

cvs_tmp_t

cvs_var_run_t

faillog_t

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

initrc_tmp_t

mnt_t

/mnt(/[^/]*) /mnt(/[^/]*)? /rhev(/[^/]*)? /media(/[^/]*) /media(/[^/]*)? /etc/rhgb(/.*)? /media/.hal-.* /net /afs /misc /rhev

pcscd_var_run_t

/var/run/pcscd.events(/.*)? /var/run/pcscd.pid /var/run/pcscd.pub /var/run/pcscd.comm

tmp_t

/tmp /usr/tmp /var/tmp /var/tmp/vi.recover

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 pol- icy modules.

semanage port can also be used to manipulate the port definitions

semanage boolean can also be used to manipulate the booleans

system-config-selinux is a GUI tool available to customize SELinux pol- icy settings.

AUTHOR This manual page was auto-generated using sepolicy manpage by mgrepl.

SEE ALSO selinux(8), cvs(8), semanage(8), restorecon(8), chcon(1), sepolicy(8) , setsebool(8)

cvs 13-01-04 cvs_selinux(8)