newrole.1

NEWROLE

NAME
SYNOPSIS
DESCRIPTION
EXAMPLE
FILES
SEE ALSO
AUTHORS

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NAME

newrole − run a shell with a new SELinux role

SYNOPSIS

newrole [-r|—role] ROLE [-t|—type] TYPE [-l|—level] [-p|—preserve-environment] LEVEL [— [ARGS]…]

DESCRIPTION

Run a new shell in a new context. The new context is derived from the old context in which newrole is originally executed. If the -r or —role option is specified, then the new context will have the role specified by ROLE. If the -t or —type option is specified, then the new context will have the type (domain) specified by TYPE. If a role is specified, but no type is specified, the default type is derived from the specified role. If the -l or —level option is specified, then the new context will have the sensitivity level specified by LEVEL. If LEVEL is a range, the new context will have the sensitivity level and clearance specified by that range. If the -p or —preserve-environment option is specified, the shell with the new SELinux context will preserve environment variables, otherwise a new minimal environment is created.

Additional arguments ARGS may be provided after a — option, in which case they are supplied to the new shell. In particular, an argument of −− −c will cause the next argument to be treated as a command by most command interpreters.

If a command argument is specified to newrole and the command name is found in /etc/selinux/newrole_pam.conf, then the pam service name listed in that file for the command will be used rather than the normal newrole pam configuration. This allows for per-command pam configuration when invoked via newrole, e.g. to skip the interactive re-authentication phase.

The new shell will be the shell specified in the user’s entry in the /etc/passwd file.

The -V or —version shows the current version of newrole

EXAMPLE

Changing role:

id −Z

staff_u:staff_r:staff_t:SystemLow-SystemHigh

newrole −r sysadm_r

id −Z

staff_u:sysadm_r:sysadm_t:SystemLow-SystemHigh

Changing sensitivity only:

id −Z

staff_u:sysadm_r:sysadm_t:Unclassified-SystemHigh

newrole −l Secret

id −Z

staff_u:sysadm_r:sysadm_t:Secret-SystemHigh

Changing sensitivity and clearance:

id −Z

staff_u:sysadm_r:sysadm_t:Unclassified-SystemHigh

newrole −l Secret-Secret

id −Z

staff_u:sysadm_r:sysadm_t:Secret

Running a program in a given role or level:

newrole −r sysadm_r −− −c “/path/to/app arg1 arg2…“

newrole −l Secret −− −c “/path/to/app arg1 arg2…”

FILES

/etc/passwd - user account information
/etc/shadow - encrypted passwords and age information
/etc/selinux/<policy>/contexts/default_type - default types for roles
/etc/selinux/<policy>/contexts/securetty_types - securetty types for level changes
/etc/selinux/newrole_pam.conf - optional mapping of commands to separate pam service names

SEE ALSO

runcon(1)

AUTHORS

Anthony Colatrella
Tim Fraser
Steve Grubb <sgrubb@redhat.com>
Darrel Goeddel <DGoeddel@trustedcs.com>
Michael Thompson <mcthomps@us.ibm.com>
Dan Walsh <dwalsh@redhat.com>

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