#DESC Checkpolicy - SELinux policy compliler

#

# Authors:  Frank Mayer, mayerf@tresys.com

# X-Debian-Packages: checkpolicy

#

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# 

# checkpolicy_t is the domain type for checkpolicy

# checkpolicy_exec_t if file type for the executable

type checkpolicy_t, domain;

role sysadm_r types checkpolicy_t;

role system_r types checkpolicy_t;

type checkpolicy_exec_t, file_type, exec_type, sysadmfile;

##########################

# 

# Rules

domain_auto_trans(sysadm_t, checkpolicy_exec_t, checkpolicy_t)

# able to create and modify binary policy files

allow checkpolicy_t policy_config_t:dir rw_dir_perms;

allow checkpolicy_t policy_config_t:file create_file_perms;

###########################

# constrain what checkpolicy can use as source files

#

# only allow read of policy source files

allow checkpolicy_t policy_src_t:dir r_dir_perms;

allow checkpolicy_t policy_src_t:{ file lnk_file } r_file_perms;

# allow test policies to be created in src directories

file_type_auto_trans(checkpolicy_t, policy_src_t, policy_config_t, file)

# directory search permissions for path to source and binary policy files

allow checkpolicy_t root_t:dir search;

allow checkpolicy_t etc_t:dir search;

# Read the devpts root directory.  

allow checkpolicy_t devpts_t:dir r_dir_perms;

ifdef(`sshd.te',

`allow checkpolicy_t sshd_devpts_t:dir r_dir_perms;')

# Other access

allow checkpolicy_t { initrc_devpts_t admin_tty_type devtty_t }:chr_file { read write ioctl getattr };

uses_shlib(checkpolicy_t)

allow checkpolicy_t self:capability dac_override;

allow checkpolicy_t sysadm_tmp_t:file { getattr write } ;

##########################

# Allow users to execute checkpolicy without a domain transition

# so it can be used without privilege to write real binary policy file

can_exec(unpriv_userdomain, checkpolicy_exec_t)

allow checkpolicy_t { userdomain privfd }:fd use;

allow checkpolicy_t fs_t:filesystem getattr;

allow checkpolicy_t console_device_t:chr_file { read write };

allow checkpolicy_t init_t:fd use;

allow checkpolicy_t selinux_config_t:dir search;