selinux-refpolicy/policy/modules/kernel/selinux.te

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policy_module(selinux, 1.7.0)
########################################
#
# Declarations
#
attribute can_load_policy;
attribute can_setenforce;
attribute can_setsecparam;
attribute selinux_unconfined_type;
#
# security_t is the target type when checking
# the permissions in the security class. It is also
# applied to selinuxfs inodes.
#
type security_t;
fs_type(security_t)
mls_trusted_object(security_t)
sid security gen_context(system_u:object_r:security_t,mls_systemhigh)
genfscon selinuxfs / gen_context(system_u:object_r:security_t,s0)
genfscon securityfs / gen_context(system_u:object_r:security_t,s0)
neverallow ~{ selinux_unconfined_type can_load_policy } security_t:security load_policy;
neverallow ~{ selinux_unconfined_type can_setenforce } security_t:security setenforce;
neverallow ~{ selinux_unconfined_type can_setsecparam } security_t:security setsecparam;
########################################
#
# Unconfined access to this module
#
# use SELinuxfs
allow selinux_unconfined_type security_t:dir list_dir_perms;
allow selinux_unconfined_type security_t:file rw_file_perms;
# Access the security API.
allow selinux_unconfined_type security_t:security ~{ load_policy setenforce setbool };
if(!secure_mode_policyload) {
allow selinux_unconfined_type security_t:security { load_policy setenforce setbool };
ifdef(`distro_rhel4',`
# needed for systems without audit support
auditallow selinux_unconfined_type security_t:security { load_policy setenforce setbool };
')
}