policy_module(ftp,1.0) ######################################## # # Declarations # type ftpd_t; type ftpd_exec_t; init_daemon_domain(ftpd_t,ftpd_exec_t) type ftpd_etc_t; files_type(ftpd_etc_t) # ftpd_lock_t is only needed when ftpd_is_daemon is true, but we cannot define types conditionally type ftpd_lock_t; files_lock_file(ftpd_lock_t) type ftpd_tmp_t; files_tmp_file(ftpd_tmp_t) type ftpd_tmpfs_t; files_tmpfs_file(ftpd_tmpfs_t) type ftpd_var_run_t; files_pid_file(ftpd_var_run_t) type xferlog_t; logging_log_file(xferlog_t) ######################################## # # Local policy # allow ftpd_t self:capability { chown fowner fsetid setgid setuid sys_chroot sys_nice sys_resource }; dontaudit ftpd_t self:capability sys_tty_config; allow ftpd_t self:process signal_perms; allow ftpd_t self:process { getcap setcap setsched setrlimit }; allow ftpd_t self:fifo_file rw_file_perms; allow ftpd_t self:unix_dgram_socket { sendto create_socket_perms }; allow ftpd_t self:unix_stream_socket create_socket_perms; allow ftpd_t self:tcp_socket create_stream_socket_perms; allow ftpd_t self:udp_socket create_socket_perms; allow ftpd_t ftpd_etc_t:file r_file_perms; allow ftpd_t ftpd_tmp_t:dir create_dir_perms; allow ftpd_t ftpd_tmp_t:file create_file_perms; files_create_tmp_files(ftpd_t, ftpd_tmp_t, { file dir }) allow ftpd_t ftpd_tmpfs_t:fifo_file create_file_perms; allow ftpd_t ftpd_tmpfs_t:dir create_dir_perms; allow ftpd_t ftpd_tmpfs_t:file create_file_perms; allow ftpd_t ftpd_tmpfs_t:lnk_file create_lnk_perms; allow ftpd_t ftpd_tmpfs_t:sock_file create_file_perms; fs_create_tmpfs_data(ftpd_t,ftpd_tmpfs_t,{ dir file lnk_file sock_file fifo_file }) allow ftpd_t ftpd_var_run_t:file create_file_perms; allow ftpd_t ftpd_var_run_t:dir rw_dir_perms; files_create_pid(ftpd_t,ftpd_var_run_t) # Create and modify /var/log/xferlog. allow ftpd_t xferlog_t:file create_file_perms; logging_create_log(ftpd_t,xferlog_t) kernel_read_kernel_sysctl(ftpd_t) kernel_read_system_state(ftpd_t) dev_read_sysfs(ftpd_t) dev_read_urand(ftpd_t) fs_search_auto_mountpoints(ftpd_t) fs_getattr_all_fs(ftpd_t) corenet_tcp_sendrecv_all_if(ftpd_t) corenet_udp_sendrecv_all_if(ftpd_t) corenet_raw_sendrecv_all_if(ftpd_t) corenet_tcp_sendrecv_all_nodes(ftpd_t) corenet_udp_sendrecv_all_nodes(ftpd_t) corenet_raw_sendrecv_all_nodes(ftpd_t) corenet_tcp_sendrecv_all_ports(ftpd_t) corenet_udp_sendrecv_all_ports(ftpd_t) corenet_tcp_bind_all_nodes(ftpd_t) corenet_udp_bind_all_nodes(ftpd_t) corenet_tcp_bind_ftp_data_port(ftpd_t) corenet_tcp_bind_generic_port(ftpd_t) corenet_tcp_connect_all_ports(ftpd_t) term_dontaudit_use_console(ftpd_t) auth_domtrans_chk_passwd(ftpd_t) # Append to /var/log/wtmp. auth_append_login_records(ftpd_t) #kerberized ftp requires the following auth_write_login_records(ftpd_t) corecmd_exec_bin(ftpd_t) # Execute /bin/ls (can comment this out for proftpd) # also may need rules to allow tar etc... corecmd_exec_ls(ftpd_t) domain_use_wide_inherit_fd(ftpd_t) files_search_etc(ftpd_t) files_read_etc_files(ftpd_t) files_read_etc_runtime_files(ftpd_t) init_use_fd(ftpd_t) init_use_script_pty(ftpd_t) libs_use_ld_so(ftpd_t) libs_use_shared_libs(ftpd_t) logging_send_syslog_msg(ftpd_t) miscfiles_read_localization(ftpd_t) miscfiles_read_public_files(ftpd_t) seutil_dontaudit_search_config(ftpd_t) sysnet_read_config(ftpd_t) userdom_dontaudit_search_sysadm_home_dir(ftpd_t) userdom_dontaudit_use_unpriv_user_fd(ftpd_t) ifdef(`targeted_policy',` files_dontaudit_read_root_file(ftpd_t) term_dontaudit_use_generic_pty(ftpd_t) term_dontaudit_use_unallocated_tty(ftpd_t) ') tunable_policy(`allow_ftpd_anon_write',` miscfiles_manage_public_files(ftpd_t) ') tunable_policy(`ftp_home_dir',` # allow access to /home files_list_home(ftpd_t) userdom_read_all_user_files(ftpd_t) userdom_manage_all_user_dirs(ftpd_t) userdom_manage_all_user_files(ftpd_t) userdom_manage_all_user_symlinks(ftpd_t) ifdef(`targeted_policy',` userdom_create_user_home(ftpd_t,{ dir file lnk_file sock_file fifo_file }) ') ') tunable_policy(`ftpd_is_daemon',` allow ftpd_t ftpd_lock_t:file create_file_perms; files_create_lock(ftpd_t,ftpd_lock_t) corenet_tcp_bind_ftp_port(ftpd_t) ') tunable_policy(`use_nfs_home_dirs && ftp_home_dir',` fs_read_nfs_files(ftpd_t) fs_read_nfs_symlinks(ftpd_t) ') tunable_policy(`use_samba_home_dirs && ftp_home_dir',` fs_read_cifs_files(ftpd_t) fs_read_cifs_symlinks(ftpd_t) ') optional_policy(`cron.te',` corecmd_exec_shell(ftpd_t) files_read_usr_files(ftpd_t) cron_system_entry(ftpd_t, ftpd_exec_t) optional_policy(`logrotate.te',` logrotate_exec(ftpd_t) ') ') optional_policy(`inetd.te',` tunable_policy(`! ftpd_is_daemon',` #reh: typeattributes not allowed in conditionals yet. #inetd_tcp_service_domain(ftpd_t,ftpd_exec_t) ') optional_policy(`tcpd.te',` tunable_policy(`! ftpd_is_daemon',` tcpd_domtrans(tcpd_t) ') ') ') optional_policy(`mount.te',` mount_send_nfs_client_request(ftpd_t) ') optional_policy(`nscd.te',` nscd_use_socket(ftpd_t) ') optional_policy(`selinuxutil.te',` seutil_sigchld_newrole(ftpd_t) ') optional_policy(`udev.te', ` udev_read_db(ftpd_t) ') ifdef(`TODO',` optional_policy(`rhgb.te',` rhgb_domain(ftpd_t) ') # cjp: this was in base user macro, but we cannot # use typeattribute ftpd_t privhome; interface # since typeattribute doesnt work in conditionals ifdef(`ftpd.te' , ` if (ftpd_is_daemon) { file_type_auto_trans(ftpd_t, $1_home_dir_t, $1_home_t) } ') ')