250 lines
6.0 KiB
Plaintext
250 lines
6.0 KiB
Plaintext
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policy_module(bind,1.0)
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########################################
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#
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# Declarations
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#
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# for DNSSEC key files
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type dnssec_t; #, secure_file_type;
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files_type(dnssec_t)
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type named_t;
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type named_exec_t;
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init_daemon_domain(named_t,named_exec_t)
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role system_r types named_t;
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# A type for configuration files of named.
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type named_conf_t;
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files_type(named_conf_t)
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# for secondary zone files
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type named_cache_t;
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files_type(named_cache_t)
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type named_tmp_t;
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files_tmp_file(named_tmp_t)
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type named_var_run_t;
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files_pid_file(named_var_run_t)
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# for primary zone files
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type named_zone_t;
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files_type(named_zone_t)
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type ndc_t;
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type ndc_exec_t;
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init_system_domain(ndc_t,ndc_exec_t)
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role system_r types ndc_t;
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########################################
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#
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# Named local policy
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#
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allow named_t self:capability { chown dac_override fowner setgid setuid sys_chroot sys_nice sys_resource };
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dontaudit named_t self:capability sys_tty_config;
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allow named_t self:process { setsched setcap setrlimit };
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allow named_t self:fifo_file rw_file_perms;
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allow named_t self:unix_stream_socket create_stream_socket_perms;
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allow named_t self:unix_dgram_socket create_socket_perms;
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allow named_t self:tcp_socket create_stream_socket_perms;
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allow named_t self:udp_socket create_socket_perms;
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allow named_t self:netlink_route_socket r_netlink_socket_perms;
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allow named_t dnssec_t:file { getattr read };
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# read configuration
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allow named_t named_conf_t:dir r_dir_perms;
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allow named_t named_conf_t:file r_file_perms;
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allow named_t named_conf_t:lnk_file r_file_perms;
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# write cache for secondary zones
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allow named_t named_cache_t:dir rw_dir_perms;
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allow named_t named_cache_t:file create_file_perms;
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allow named_t named_cache_t:lnk_file create_lnk_perms;
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can_exec(named_t, named_exec_t)
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allow named_t named_tmp_t:dir create_dir_perms;
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allow named_t named_tmp_t:file create_file_perms;
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files_create_tmp_files(named_t, named_tmp_t, { file dir })
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allow named_t named_var_run_t:file create_file_perms;
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allow named_t named_var_run_t:sock_file create_file_perms;
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files_create_pid(named_t,named_var_run_t,{ file sock_file })
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# read zone files
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allow named_t named_zone_t:dir r_dir_perms;
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allow named_t named_zone_t:file r_file_perms;
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allow named_t named_zone_t:lnk_file r_file_perms;
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allow named_t ndc_t:tcp_socket { acceptfrom recvfrom };
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kernel_read_kernel_sysctl(named_t)
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kernel_read_system_state(named_t)
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kernel_read_network_state(named_t)
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kernel_tcp_recvfrom(named_t)
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corenet_tcp_sendrecv_all_if(named_t)
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corenet_raw_sendrecv_all_if(named_t)
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corenet_udp_sendrecv_all_if(named_t)
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corenet_tcp_sendrecv_all_nodes(named_t)
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corenet_udp_sendrecv_all_nodes(named_t)
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corenet_raw_sendrecv_all_nodes(named_t)
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corenet_tcp_sendrecv_all_ports(named_t)
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corenet_udp_sendrecv_all_ports(named_t)
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corenet_tcp_bind_all_nodes(named_t)
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corenet_udp_bind_all_nodes(named_t)
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corenet_tcp_bind_dns_port(named_t)
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corenet_udp_bind_dns_port(named_t)
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#corenet_tcp_bind_rndc_port(named_t)
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dev_read_sysfs(named_t)
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dev_read_rand(named_t)
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fs_getattr_all_fs(named_t)
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fs_search_auto_mountpoints(named_t)
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term_dontaudit_use_console(named_t)
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corecmd_search_sbin(named_t)
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domain_use_wide_inherit_fd(named_t)
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files_read_etc_files(named_t)
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files_read_etc_runtime_files(named_t)
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init_use_fd(named_t)
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init_use_script_pty(named_t)
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libs_use_ld_so(named_t)
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libs_use_shared_libs(named_t)
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logging_send_syslog_msg(named_t)
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miscfiles_read_localization(named_t)
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sysnet_read_config(named_t)
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userdom_dontaudit_use_unpriv_user_fd(named_t)
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userdom_dontaudit_search_sysadm_home_dir(named_t)
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ifdef(`targeted_policy',`
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term_dontaudit_use_unallocated_tty(named_t)
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term_dontaudit_use_generic_pty(named_t)
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files_dontaudit_read_root_file(named_t)
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#dontaudit ndc_t unlabeled_t:file { getattr read };
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(named_t)
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')
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optional_policy(`nscd.te',`
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nscd_use_socket(named_t)
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')
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optional_policy(`rhgb.te',`
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rhgb_domain(named_t)
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')
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optional_policy(`selinuxutil.te',`
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seutil_sigchld_newrole(named_t)
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')
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optional_policy(`udev.te',`
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udev_read_db(named_t)
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')
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########################################
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#
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# NDC local policy
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#
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# cjp: why net_admin?!
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allow ndc_t self:capability { dac_override net_admin };
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allow ndc_t self:process { fork signal_perms };
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allow ndc_t self:fifo_file { read write getattr ioctl };
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allow ndc_t self:unix_stream_socket { connect create_stream_socket_perms };
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allow ndc_t self:tcp_socket create_socket_perms;
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allow ndc_t self:netlink_route_socket r_netlink_socket_perms;
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allow ndc_t dnssec_t:file { getattr read };
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allow ndc_t named_t:tcp_socket { connectto recvfrom };
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allow ndc_t named_t:unix_stream_socket connectto;
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allow ndc_t named_conf_t:file { getattr read };
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allow ndc_t named_var_run_t:sock_file rw_file_perms;
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allow ndc_t named_zone_t:dir search;
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kernel_read_kernel_sysctl(ndc_t)
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kernel_tcp_recvfrom(ndc_t)
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corenet_tcp_sendrecv_all_if(ndc_t)
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corenet_raw_sendrecv_all_if(ndc_t)
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corenet_tcp_sendrecv_all_nodes(ndc_t)
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corenet_raw_sendrecv_all_nodes(ndc_t)
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corenet_tcp_sendrecv_all_ports(ndc_t)
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corenet_tcp_bind_all_nodes(ndc_t)
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fs_getattr_xattr_fs(ndc_t)
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domain_use_wide_inherit_fd(ndc_t)
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files_read_etc_files(ndc_t)
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files_search_pids(ndc_t)
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init_use_fd(ndc_t)
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init_use_script_pty(ndc_t)
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libs_use_ld_so(ndc_t)
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libs_use_shared_libs(ndc_t)
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logging_send_syslog_msg(ndc_t)
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miscfiles_read_localization(ndc_t)
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sysnet_read_config(ndc_t)
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# for /etc/rndc.key
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ifdef(`distro_redhat',`
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allow ndc_t named_conf_t:dir search;
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')
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tunable_policy(`use_dns',`
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allow ndc_t self:udp_socket create_socket_perms;
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corenet_udp_sendrecv_all_if(ndc_t)
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corenet_udp_sendrecv_all_nodes(ndc_t)
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corenet_udp_sendrecv_dns_port(ndc_t)
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corenet_udp_bind_all_nodes(ndc_t)
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')
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tunable_policy(`named_write_master_zones',`
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allow named_t named_zone_t:dir create_dir_perms;
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allow named_t named_zone_t:file create_file_perms;
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allow named_t named_zone_t:lnk_file create_lnk_perms;
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')
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optional_policy(`mount.te',`
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mount_send_nfs_client_request(named_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(ndc_t)
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')
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optional_policy(`nscd.te',`
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nscd_use_socket(ndc_t)
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')
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ifdef(`TODO',`
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can_udp_send(domain, named_t)
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can_udp_send(named_t, domain)
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can_tcp_connect(domain, named_t)
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')
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