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default_contexts(5)

Security Enhanced Linux
28-Nov-2011

selinux-utils

SELinux utility programs

libselinux-utils

SELinux libselinux utilities

selinux-tools

SELinux command-line utilities

NAME

default_contexts - The SELinux default contexts configuration file

DESCRIPTION

The default contexts configuration file default_contexts contains entries that allow SELinux-aware login applications such as PAM(8)
SELinux-aware login applications generally use one or more of the following libselinux functions that read these files from the active policy path:
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)
The default context configuration file path for the active policy is returned by selinux_default_contexts_path(3). The default, default contexts file is:
/etc/selinux/{SELINUXTYPE}/contexts/default_contexts
Where {SELINUXTYPE} is the entry from the selinux configuration file config (see selinux_config(5)).

FILE FORMAT

Each line in the default configuration file consists of the following:
login_process user_login_process [user_login_process] ...
Where:
login_process
This consists of a role:type[:range] entry that represents the login process context that are defined in the policy.
user_login_process
This consists of one or more role:type[:range] entries that represent the user login process context defined in the policy.

EXAMPLE

# ./contexts/default_contexts
system_r:crond_t:s0 system_r:system_crond_t:s0
system_r:local_login_t:s0 user_r:user_t:s0 staff_r:staff_t:s0
system_r:remote_login_t:s0 user_r:user_t:s0
system_r:sshd_t:s0 user_r:user_t:s0
system_r:sulogin_t:s0 sysadm_r:sysadm_t:s0
system_r:xdm_t:s0 user_r:user_t:s0

SEE ALSO

selinux(8), selinux_default_contexts_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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