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failsafe_context(5)

Security Enhanced Linux
28-Nov-2011

selinux-utils

SELinux utility programs

libselinux-utils

SELinux libselinux utilities

selinux-tools

SELinux command-line utilities

NAME

failsafe_context - The SELinux fail safe context configuration file

DESCRIPTION

The failsafe_context file allows SELinux-aware applications such as PAM(8) to obtain a known valid login context for an administrator if no valid default entries can be found elsewhere.
selinux_failsafe_context_path(3) will return the active policy path to this file. The default failsafe context file is:
/etc/selinux/{SELINUXTYPE}/contexts/failsafe_context
Where {SELINUXTYPE} is the entry from the selinux configuration file config (see selinux_config(5)).
The following functions read this file from the active policy path if they cannot obtain a default context:

get_default_context(3)
get_ordered_context_list(3)
get_ordered_context_list_with_level(3)
get_default_context_with_level(3)
get_default_context_with_role(3)
get_default_context_with_rolelevel(3)
query_user_context(3)
manual_user_enter_context(3)

FILE FORMAT

The file consists of a single line entry as follows:
role:type[:range]
Where:
role type range
A role, type and optional range (for MCS/MLS), separated by colons (:) to form a valid login process context for an administrator to access the system.

EXAMPLE

# ./contexts/failsafe_context
unconfined_r:unconfined_t:s0

SEE ALSO

selinux(8), selinux_failsafe_context_path(3), PAM(8), selinux_default_type_path(3), get_default_context(3), get_ordered_context_list(3), get_ordered_context_list_with_level(3), get_default_context_with_level(3), get_default_context_with_role(3), get_default_context_with_rolelevel(3), query_user_context(3), manual_user_enter_context(3), selinux_config(5)
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