policy_module(mrtg,1.0.0)

########################################
#
# Declarations
#

type mrtg_t;
type mrtg_exec_t;
init_system_domain(mrtg_t,mrtg_exec_t)

type mrtg_etc_t;
files_config_file(mrtg_etc_t)

type mrtg_lock_t;
files_lock_file(mrtg_lock_t)

type mrtg_log_t;
logging_log_file(mrtg_log_t)

type mrtg_var_lib_t;
files_type(mrtg_var_lib_t)

########################################
#
# Local policy
#

allow mrtg_t self:capability { setgid setuid };
dontaudit mrtg_t self:capability sys_tty_config;
allow mrtg_t self:process signal_perms;
allow mrtg_t self:fifo_file { getattr read write ioctl };
allow mrtg_t self:unix_stream_socket create_socket_perms;
allow mrtg_t self:tcp_socket create_socket_perms;
allow mrtg_t self:udp_socket create_socket_perms;

allow mrtg_t mrtg_etc_t:file r_file_perms;
allow mrtg_t mrtg_etc_t:dir r_dir_perms;
allow mrtg_t mrtg_etc_t:lnk_file { getattr read };
files_search_etc(mrtg_t)

allow mrtg_t mrtg_lock_t:dir rw_dir_perms;
allow mrtg_t mrtg_lock_t:file create_file_perms;
allow mrtg_t mrtg_lock_t:lnk_file create_lnk_perms;

allow mrtg_t mrtg_log_t:file create_file_perms;
allow mrtg_t mrtg_log_t:dir rw_dir_perms;
logging_log_filetrans(mrtg_t,mrtg_log_t,{ file dir })

allow mrtg_t mrtg_var_lib_t:dir rw_dir_perms;
allow mrtg_t mrtg_var_lib_t:file create_file_perms;
allow mrtg_t mrtg_var_lib_t:lnk_file create_lnk_perms;

# read config files
dontaudit mrtg_t mrtg_etc_t:dir write;
dontaudit mrtg_t mrtg_etc_t:file { write ioctl };
files_read_etc_files(mrtg_t)

kernel_read_system_state(mrtg_t)
kernel_read_network_state(mrtg_t)
kernel_read_kernel_sysctls(mrtg_t)

corecmd_exec_bin(mrtg_t)
corecmd_exec_sbin(mrtg_t)
corecmd_exec_shell(mrtg_t)

corenet_non_ipsec_sendrecv(mrtg_t)
corenet_tcp_sendrecv_generic_if(mrtg_t)
corenet_udp_sendrecv_generic_if(mrtg_t)
corenet_raw_sendrecv_generic_if(mrtg_t)
corenet_tcp_sendrecv_all_nodes(mrtg_t)
corenet_udp_sendrecv_all_nodes(mrtg_t)
corenet_raw_sendrecv_all_nodes(mrtg_t)
corenet_tcp_sendrecv_all_ports(mrtg_t)
corenet_udp_sendrecv_all_ports(mrtg_t)
corenet_tcp_bind_all_nodes(mrtg_t)
corenet_udp_bind_all_nodes(mrtg_t)
corenet_tcp_connect_all_ports(mrtg_t)

dev_read_sysfs(mrtg_t)
dev_read_urand(mrtg_t)

domain_use_interactive_fds(mrtg_t)

files_read_usr_files(mrtg_t)
files_search_var(mrtg_t)
files_search_locks(mrtg_t)
files_search_var_lib(mrtg_t)
files_search_spool(mrtg_t)
files_getattr_tmp_dirs(mrtg_t)
# for uptime
files_read_etc_runtime_files(mrtg_t)

fs_search_auto_mountpoints(mrtg_t)
fs_getattr_xattr_fs(mrtg_t)

term_dontaudit_use_console(mrtg_t)

init_use_fd(mrtg_t)
init_use_script_ptys(mrtg_t)
# for uptime
init_read_utmp(mrtg_t)
init_dontaudit_write_utmp(mrtg_t)

libs_read_lib_files(mrtg_t)
libs_use_ld_so(mrtg_t)
libs_use_shared_libs(mrtg_t)

logging_send_syslog_msg(mrtg_t)

miscfiles_read_localization(mrtg_t)

selinux_dontaudit_getattr_dir(mrtg_t)

# Use the network.
sysnet_read_config(mrtg_t)

userdom_dontaudit_use_unpriv_user_fds(mrtg_t)
userdom_use_sysadm_terms(mrtg_t)

ifdef(`distro_redhat',`
	allow mrtg_t mrtg_etc_t:dir rw_dir_perms;
	allow mrtg_t mrtg_lock_t:file create_file_perms;
	type_transition mrtg_t mrtg_etc_t:file mrtg_lock_t;
')

ifdef(`targeted_policy',`
	term_dontaudit_use_unallocated_ttys(mrtg_t)
	term_dontaudit_use_generic_ptys(mrtg_t)
	files_dontaudit_read_root_files(mrtg_t)
')

optional_policy(`apache',`
	apache_manage_sys_content(mrtg_t)
')

optional_policy(`cron',`
	cron_system_entry(mrtg_t,mrtg_exec_t)
')

optional_policy(`hostname',`
	hostname_exec(mrtg_t)
')

optional_policy(`nis',`
	nis_use_ypbind(mrtg_t)
')

optional_policy(`selinuxutil',`
	seutil_sigchld_newrole(mrtg_t)
')

optional_policy(`quota',`
	quota_dontaudit_getattr_db(mrtg_t)
')

optional_policy(`snmp',`
	snmp_udp_chat(mrtg_t)
	snmp_read_snmp_var_lib_files(mrtg_t)
')

optional_policy(`udev',`
	udev_read_db(mrtg_t)
')

ifdef(`TODO',`
	# should not need this!
	dontaudit mrtg_t { staff_home_dir_t sysadm_home_dir_t }:dir { search read getattr };
	dontaudit mrtg_t { boot_t device_t file_t lost_found_t }:dir getattr;
	dontaudit mrtg_t root_t:lnk_file getattr;
')