selinux-refpolicy/refpolicy/policy/modules/services/snmp.te

policy_module(snmp,1.1.0)

########################################
#
# Declarations
#
type snmpd_t;
type snmpd_exec_t;
init_daemon_domain(snmpd_t,snmpd_exec_t)

type snmpd_etc_t;
files_config_file(snmpd_etc_t)

type snmpd_log_t;
logging_log_file(snmpd_log_t)

type snmpd_var_run_t;
files_pid_file(snmpd_var_run_t)

type snmpd_var_lib_t;
files_type(snmpd_var_lib_t)

########################################
#
# Local policy
#
allow snmpd_t self:capability { dac_override kill net_admin sys_nice sys_tty_config };
dontaudit snmpd_t self:capability sys_tty_config;
allow snmpd_t self:fifo_file rw_file_perms;
allow snmpd_t self:unix_dgram_socket create_socket_perms;
allow snmpd_t self:unix_stream_socket create_stream_socket_perms;
allow snmpd_t self:tcp_socket create_stream_socket_perms;
allow snmpd_t self:udp_socket connected_stream_socket_perms;

allow snmpd_t snmpd_etc_t:file { getattr read };

allow snmpd_t snmpd_log_t:file create_file_perms;
logging_filetrans_log(snmpd_t,snmpd_log_t)

allow snmpd_t snmpd_var_lib_t:file create_file_perms;
allow snmpd_t snmpd_var_lib_t:sock_file create_file_perms;
allow snmpd_t snmpd_var_lib_t:dir create_dir_perms;
files_filetrans_usr(snmpd_t,snmpd_var_lib_t)
files_filetrans_var(snmpd_t,snmpd_var_lib_t,{ file dir sock_file })
files_filetrans_var_lib(snmpd_t,snmpd_var_lib_t)

allow snmpd_t snmpd_var_run_t:file create_file_perms;
allow snmpd_t snmpd_var_run_t:dir rw_dir_perms;
files_filetrans_pid(snmpd_t,snmpd_var_run_t)

kernel_read_kernel_sysctls(snmpd_t)
kernel_read_net_sysctls(snmpd_t)
kernel_read_proc_symlinks(snmpd_t)
kernel_read_system_state(snmpd_t)
kernel_read_network_state(snmpd_t)
kernel_tcp_recvfrom(snmpd_t)

corecmd_exec_bin(snmpd_t)
corecmd_exec_sbin(snmpd_t)
corecmd_exec_shell(snmpd_t)

corenet_tcp_sendrecv_all_if(snmpd_t)
corenet_udp_sendrecv_all_if(snmpd_t)
corenet_raw_sendrecv_all_if(snmpd_t)
corenet_tcp_sendrecv_all_nodes(snmpd_t)
corenet_udp_sendrecv_all_nodes(snmpd_t)
corenet_raw_sendrecv_all_nodes(snmpd_t)
corenet_tcp_sendrecv_all_ports(snmpd_t)
corenet_udp_sendrecv_all_ports(snmpd_t)
corenet_non_ipsec_sendrecv(snmpd_t)
corenet_tcp_bind_all_nodes(snmpd_t)
corenet_udp_bind_all_nodes(snmpd_t)
corenet_tcp_bind_snmp_port(snmpd_t)
corenet_udp_bind_snmp_port(snmpd_t)

dev_list_sysfs(snmpd_t)
dev_read_sysfs(snmpd_t)
dev_read_urand(snmpd_t)
dev_read_rand(snmpd_t)

domain_use_wide_inherit_fd(snmpd_t)
domain_signull_all_domains(snmpd_t)
domain_read_all_domains_state(snmpd_t)

files_read_etc_files(snmpd_t)
files_read_usr_files(snmpd_t)
files_read_etc_runtime_files(snmpd_t)
files_search_home(snmpd_t)

fs_getattr_all_fs(snmpd_t)
fs_getattr_rpc_dirs(snmpd_t)
fs_search_auto_mountpoints(snmpd_t)

storage_dontaudit_read_fixed_disk(snmpd_t)
storage_dontaudit_read_removable_device(snmpd_t)

term_dontaudit_use_console(snmpd_t)

init_read_utmp(snmpd_t)
init_use_fd(snmpd_t)
init_use_script_pty(snmpd_t)
init_dontaudit_write_utmp(snmpd_t)

libs_use_ld_so(snmpd_t)
libs_use_shared_libs(snmpd_t)

logging_send_syslog_msg(snmpd_t)

miscfiles_read_localization(snmpd_t)

seutil_dontaudit_search_config(snmpd_t)

sysnet_read_config(snmpd_t)

userdom_dontaudit_use_unpriv_user_fd(snmpd_t)
userdom_dontaudit_search_sysadm_home_dir(snmpd_t)

ifdef(`distro_redhat', `
	optional_policy(`rpm',`
		rpm_read_db(snmpd_t)
		rpm_dontaudit_manage_db(snmpd_t)
	')
')

ifdef(`targeted_policy', `
	term_dontaudit_use_unallocated_tty(snmpd_t)
	term_dontaudit_use_generic_pty(snmpd_t)
	files_dontaudit_read_root_file(snmpd_t)
')

optional_policy(`amanda',`
	amanda_dontaudit_read_dumpdates(snmpd_t)
')

optional_policy(`cups',`
	cups_read_rw_config(snmpd_t)
')

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

optional_policy(`nscd',`
	nscd_use_socket(snmpd_t)
')

optional_policy(`rpc',`
	rpc_search_nfs_state_data(snmpd_t)
')

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

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

ifdef(`TODO',`
can_udp_send(sysadm_t, snmpd_t)
can_udp_send(snmpd_t, sysadm_t)
') dnl end TODO