policy_module(tftp, 1.9.2) ######################################## # # Declarations # ## ##

## Allow tftp to modify public files ## used for public file transfer services. ##

##
gen_tunable(tftp_anon_write, false) type tftpd_t; type tftpd_exec_t; init_daemon_domain(tftpd_t, tftpd_exec_t) type tftpd_var_run_t; files_pid_file(tftpd_var_run_t) type tftpdir_t; files_type(tftpdir_t) type tftpdir_rw_t; files_type(tftpdir_rw_t) ######################################## # # Local policy # allow tftpd_t self:capability { setgid setuid sys_chroot }; allow tftpd_t self:tcp_socket create_stream_socket_perms; allow tftpd_t self:udp_socket create_socket_perms; allow tftpd_t self:unix_dgram_socket create_socket_perms; allow tftpd_t self:unix_stream_socket create_stream_socket_perms; dontaudit tftpd_t self:capability sys_tty_config; allow tftpd_t tftpdir_t:dir list_dir_perms; allow tftpd_t tftpdir_t:file read_file_perms; allow tftpd_t tftpdir_t:lnk_file { getattr read }; manage_dirs_pattern(tftpd_t, tftpdir_rw_t, tftpdir_rw_t) manage_files_pattern(tftpd_t, tftpdir_rw_t, tftpdir_rw_t) manage_lnk_files_pattern(tftpd_t, tftpdir_rw_t, tftpdir_rw_t) manage_files_pattern(tftpd_t, tftpd_var_run_t, tftpd_var_run_t) files_pid_filetrans(tftpd_t, tftpd_var_run_t, file) kernel_read_kernel_sysctls(tftpd_t) kernel_list_proc(tftpd_t) kernel_read_proc_symlinks(tftpd_t) corenet_all_recvfrom_unlabeled(tftpd_t) corenet_all_recvfrom_netlabel(tftpd_t) corenet_tcp_sendrecv_all_if(tftpd_t) corenet_udp_sendrecv_all_if(tftpd_t) corenet_tcp_sendrecv_all_nodes(tftpd_t) corenet_udp_sendrecv_all_nodes(tftpd_t) corenet_tcp_sendrecv_all_ports(tftpd_t) corenet_udp_sendrecv_all_ports(tftpd_t) corenet_tcp_bind_all_nodes(tftpd_t) corenet_udp_bind_all_nodes(tftpd_t) corenet_udp_bind_tftp_port(tftpd_t) corenet_sendrecv_tftp_server_packets(tftpd_t) dev_read_sysfs(tftpd_t) fs_getattr_all_fs(tftpd_t) fs_search_auto_mountpoints(tftpd_t) domain_use_interactive_fds(tftpd_t) files_read_etc_files(tftpd_t); files_read_etc_runtime_files(tftpd_t); files_read_var_files(tftpd_t) files_read_var_symlinks(tftpd_t) files_search_var(tftpd_t) auth_use_nsswitch(tftpd_t) logging_send_syslog_msg(tftpd_t) miscfiles_read_localization(tftpd_t) miscfiles_read_public_files(tftpd_t) userdom_dontaudit_use_unpriv_user_fds(tftpd_t) userdom_dontaudit_use_user_terminals(tftpd_t) userdom_dontaudit_search_user_home_dirs(tftpd_t) tunable_policy(`tftp_anon_write',` miscfiles_manage_public_files(tftpd_t) ') optional_policy(` inetd_udp_service_domain(tftpd_t, tftpd_exec_t) ') optional_policy(` seutil_sigchld_newrole(tftpd_t) ') optional_policy(` udev_read_db(tftpd_t) ')