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

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policy_module(bind, 1.9.2)
########################################
#
# Declarations
#
## <desc>
## <p>
## Allow BIND to write the master zone files.
## Generally this is used for dynamic DNS or zone transfers.
## </p>
## </desc>
gen_tunable(named_write_master_zones, false)
# for DNSSEC key files
type dnssec_t;
files_security_file(dnssec_t)
type named_t;
type named_exec_t;
init_daemon_domain(named_t, named_exec_t)
role system_r types named_t;
type named_checkconf_exec_t;
init_system_domain(named_t, named_checkconf_exec_t)
# A type for configuration files of named.
type named_conf_t;
files_type(named_conf_t)
files_mountpoint(named_conf_t)
# for secondary zone files
type named_cache_t;
files_type(named_cache_t)
type named_initrc_exec_t;
init_script_file(named_initrc_exec_t)
type named_log_t;
logging_log_file(named_log_t)
type named_tmp_t;
files_tmp_file(named_tmp_t)
type named_var_run_t;
files_pid_file(named_var_run_t)
# for primary zone files
type named_zone_t;
files_type(named_zone_t)
type ndc_t;
type ndc_exec_t;
init_system_domain(ndc_t, ndc_exec_t)
role system_r types ndc_t;
########################################
#
# Named local policy
#
allow named_t self:capability { chown dac_override fowner setgid setuid sys_chroot sys_nice sys_resource };
dontaudit named_t self:capability sys_tty_config;
allow named_t self:process { setsched getcap setcap setrlimit signal_perms };
allow named_t self:fifo_file rw_fifo_file_perms;
allow named_t self:unix_stream_socket create_stream_socket_perms;
allow named_t self:unix_dgram_socket create_socket_perms;
allow named_t self:tcp_socket create_stream_socket_perms;
allow named_t self:udp_socket create_socket_perms;
allow named_t dnssec_t:file read_file_perms;
# read configuration
allow named_t named_conf_t:dir list_dir_perms;
read_files_pattern(named_t, named_conf_t, named_conf_t)
read_lnk_files_pattern(named_t, named_conf_t, named_conf_t)
# write cache for secondary zones
manage_files_pattern(named_t, named_cache_t, named_cache_t)
manage_lnk_files_pattern(named_t, named_cache_t, named_cache_t)
can_exec(named_t, named_exec_t)
manage_files_pattern(named_t, named_log_t, named_log_t)
logging_log_filetrans(named_t, named_log_t, { file dir })
manage_dirs_pattern(named_t, named_tmp_t, named_tmp_t)
manage_files_pattern(named_t, named_tmp_t, named_tmp_t)
files_tmp_filetrans(named_t, named_tmp_t, { file dir })
manage_files_pattern(named_t, named_var_run_t, named_var_run_t)
manage_sock_files_pattern(named_t, named_var_run_t, named_var_run_t)
files_pid_filetrans(named_t, named_var_run_t, { file sock_file })
# read zone files
allow named_t named_zone_t:dir list_dir_perms;
read_files_pattern(named_t, named_zone_t, named_zone_t)
read_lnk_files_pattern(named_t, named_zone_t, named_zone_t)
kernel_read_kernel_sysctls(named_t)
kernel_read_system_state(named_t)
kernel_read_network_state(named_t)
corecmd_search_bin(named_t)
corenet_all_recvfrom_unlabeled(named_t)
corenet_all_recvfrom_netlabel(named_t)
corenet_tcp_sendrecv_generic_if(named_t)
corenet_udp_sendrecv_generic_if(named_t)
corenet_tcp_sendrecv_generic_node(named_t)
corenet_udp_sendrecv_generic_node(named_t)
corenet_tcp_sendrecv_all_ports(named_t)
corenet_udp_sendrecv_all_ports(named_t)
corenet_tcp_bind_generic_node(named_t)
corenet_udp_bind_generic_node(named_t)
corenet_tcp_bind_dns_port(named_t)
corenet_udp_bind_dns_port(named_t)
corenet_tcp_bind_rndc_port(named_t)
corenet_tcp_connect_all_ports(named_t)
corenet_sendrecv_dns_server_packets(named_t)
corenet_sendrecv_dns_client_packets(named_t)
corenet_sendrecv_rndc_server_packets(named_t)
corenet_sendrecv_rndc_client_packets(named_t)
corenet_udp_bind_all_unreserved_ports(named_t)
dev_read_sysfs(named_t)
dev_read_rand(named_t)
dev_read_urand(named_t)
domain_use_interactive_fds(named_t)
files_read_etc_files(named_t)
files_read_etc_runtime_files(named_t)
fs_getattr_all_fs(named_t)
fs_search_auto_mountpoints(named_t)
auth_use_nsswitch(named_t)
logging_send_syslog_msg(named_t)
miscfiles_read_localization(named_t)
miscfiles_read_certs(named_t)
sysnet_read_config(named_t)
userdom_dontaudit_use_unpriv_user_fds(named_t)
userdom_dontaudit_search_user_home_dirs(named_t)
tunable_policy(`named_write_master_zones',`
manage_dirs_pattern(named_t, named_zone_t, named_zone_t)
manage_files_pattern(named_t, named_zone_t, named_zone_t)
manage_lnk_files_pattern(named_t, named_zone_t, named_zone_t)
')
optional_policy(`
init_dbus_chat_script(named_t)
sysnet_dbus_chat_dhcpc(named_t)
dbus_system_bus_client(named_t)
dbus_connect_system_bus(named_t)
optional_policy(`
networkmanager_dbus_chat(named_t)
')
')
optional_policy(`
kerberos_use(named_t)
')
optional_policy(`
# this seems like fds that arent being
# closed. these should probably be
# dontaudits instead.
networkmanager_rw_udp_sockets(named_t)
networkmanager_rw_packet_sockets(named_t)
networkmanager_rw_routing_sockets(named_t)
')
optional_policy(`
seutil_sigchld_newrole(named_t)
')
optional_policy(`
udev_read_db(named_t)
')
########################################
#
# NDC local policy
#
# cjp: why net_admin?!
allow ndc_t self:capability { dac_override net_admin };
allow ndc_t self:process { fork signal_perms };
allow ndc_t self:fifo_file rw_fifo_file_perms;
allow ndc_t self:unix_stream_socket { connect create_stream_socket_perms };
allow ndc_t self:tcp_socket create_socket_perms;
allow ndc_t self:netlink_route_socket r_netlink_socket_perms;
allow ndc_t dnssec_t:file read_file_perms;
allow ndc_t dnssec_t:lnk_file { getattr read };
stream_connect_pattern(ndc_t, named_var_run_t, named_var_run_t, named_t)
allow ndc_t named_conf_t:file read_file_perms;
allow ndc_t named_conf_t:lnk_file { getattr read };
allow ndc_t named_zone_t:dir search_dir_perms;
kernel_read_kernel_sysctls(ndc_t)
corenet_all_recvfrom_unlabeled(ndc_t)
corenet_all_recvfrom_netlabel(ndc_t)
corenet_tcp_sendrecv_generic_if(ndc_t)
corenet_tcp_sendrecv_generic_node(ndc_t)
corenet_tcp_sendrecv_all_ports(ndc_t)
corenet_tcp_bind_generic_node(ndc_t)
corenet_tcp_connect_rndc_port(ndc_t)
corenet_sendrecv_rndc_client_packets(ndc_t)
domain_use_interactive_fds(ndc_t)
files_read_etc_files(ndc_t)
files_search_pids(ndc_t)
fs_getattr_xattr_fs(ndc_t)
init_use_fds(ndc_t)
init_use_script_ptys(ndc_t)
logging_send_syslog_msg(ndc_t)
miscfiles_read_localization(ndc_t)
sysnet_read_config(ndc_t)
sysnet_dns_name_resolve(ndc_t)
userdom_use_user_terminals(ndc_t)
term_dontaudit_use_console(ndc_t)
# for /etc/rndc.key
ifdef(`distro_redhat',`
allow ndc_t named_conf_t:dir search;
')
optional_policy(`
nis_use_ypbind(ndc_t)
')
optional_policy(`
nscd_socket_use(ndc_t)
')
optional_policy(`
ppp_dontaudit_use_fds(ndc_t)
')