547 lines
15 KiB
Plaintext
547 lines
15 KiB
Plaintext
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policy_module(xserver,2.0.2)
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########################################
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#
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# Declarations
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#
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## <desc>
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## <p>
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## Allows clients to write to the X server shared
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## memory segments.
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## </p>
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## </desc>
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gen_tunable(allow_write_xshm,false)
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## <desc>
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## <p>
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## Allow xdm logins as sysadm
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## </p>
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## </desc>
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gen_tunable(xdm_sysadm_login,false)
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## <desc>
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## <p>
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## Support X userspace object manager
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## </p>
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## </desc>
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gen_tunable(xserver_object_manager,false)
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attribute fonts_type;
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attribute fonts_cache_type;
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attribute fonts_config_type;
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attribute xauth_home_type;
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# Domains
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attribute xserver_unconfined_type;
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attribute x_server_domain;
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# Per-object attributes
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attribute rootwindow_type;
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attribute x_domain;
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attribute xproperty_type;
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attribute xselection_type;
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attribute xextension_type;
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attribute xevent_type;
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type accelgraphics_xext_t, xextension_type;
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type client_xevent_t, xevent_type;
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type clipboard_xproperty_t, xproperty_type;
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type clipboard_xselection_t, xselection_type;
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type debug_xext_t, xextension_type;
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type directhw_xext_t alias disallowed_xext_t, xextension_type;
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type focus_xevent_t, xevent_type;
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type iceauth_exec_t;
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application_executable_file(iceauth_exec_t)
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type info_xproperty_t, xproperty_type;
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type input_xevent_t, xevent_type;
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type manage_xevent_t, xevent_type;
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type output_xext_t, xextension_type;
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type property_xevent_t, xevent_type;
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type remote_xclient_t;
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type screensaver_xext_t, xextension_type;
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type security_xext_t, xextension_type;
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type shmem_xext_t, xextension_type;
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type std_xext_t, xextension_type;
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type video_xext_t, xextension_type;
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type unknown_xevent_t, xevent_type;
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type xevent_t alias default_xevent_t, xevent_type;
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type xext_t alias unknown_xext_t, xextension_type;
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type xproperty_t alias default_xproperty_t, xproperty_type;
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type xselection_t alias default_xselection_t, xselection_type;
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type xauth_exec_t;
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application_executable_file(xauth_exec_t)
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# this is not actually a device, its a pipe
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type xconsole_device_t;
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files_type(xconsole_device_t)
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fs_associate_tmpfs(xconsole_device_t)
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files_associate_tmp(xconsole_device_t)
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type xdm_t;
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type xdm_exec_t;
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auth_login_pgm_domain(xdm_t)
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init_domain(xdm_t,xdm_exec_t)
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init_daemon_domain(xdm_t,xdm_exec_t)
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type xdm_lock_t;
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files_lock_file(xdm_lock_t)
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type xdm_rw_etc_t;
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files_type(xdm_rw_etc_t)
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type xdm_var_lib_t;
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files_type(xdm_var_lib_t)
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type xdm_var_run_t;
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files_pid_file(xdm_var_run_t)
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type xdm_tmp_t;
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files_tmp_file(xdm_tmp_t)
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typealias xdm_tmp_t alias ice_tmp_t;
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type xdm_tmpfs_t;
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files_tmpfs_file(xdm_tmpfs_t)
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# type for /var/lib/xkb
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type xkb_var_lib_t;
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files_type(xkb_var_lib_t)
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# Type for the executable used to start the X server, e.g. Xwrapper.
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type xserver_exec_t;
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corecmd_executable_file(xserver_exec_t)
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type xsession_exec_t;
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corecmd_executable_file(xsession_exec_t)
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# Type for the X server log file.
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type xserver_log_t;
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logging_log_file(xserver_log_t)
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xserver_common_domain_template(xdm)
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xserver_common_x_domain_template(xdm,xdm,xdm_t)
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init_system_domain(xdm_xserver_t,xserver_exec_t)
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ifdef(`enable_mcs',`
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init_ranged_domain(xdm_t,xdm_exec_t,s0 - mcs_systemhigh)
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init_ranged_daemon_domain(xdm_t,xdm_exec_t,s0 - mcs_systemhigh)
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')
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optional_policy(`
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prelink_object_file(xkb_var_lib_t)
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')
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########################################
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#
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# XDM Local policy
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#
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allow xdm_t self:capability { setgid setuid sys_resource kill sys_tty_config mknod chown dac_override dac_read_search fowner fsetid ipc_owner sys_nice sys_rawio net_bind_service };
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allow xdm_t self:process { setexec setpgid getsched setsched setrlimit signal_perms setkeycreate };
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allow xdm_t self:fifo_file rw_fifo_file_perms;
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allow xdm_t self:shm create_shm_perms;
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allow xdm_t self:sem create_sem_perms;
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allow xdm_t self:unix_stream_socket { connectto create_stream_socket_perms };
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allow xdm_t self:unix_dgram_socket create_socket_perms;
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allow xdm_t self:tcp_socket create_stream_socket_perms;
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allow xdm_t self:udp_socket create_socket_perms;
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allow xdm_t self:socket create_socket_perms;
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allow xdm_t self:appletalk_socket create_socket_perms;
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allow xdm_t self:key { search link write };
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allow xdm_t xconsole_device_t:fifo_file { getattr setattr };
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# Allow gdm to run gdm-binary
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can_exec(xdm_t, xdm_exec_t)
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allow xdm_t xdm_lock_t:file manage_file_perms;
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files_lock_filetrans(xdm_t,xdm_lock_t,file)
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# wdm has its own config dir /etc/X11/wdm
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# this is ugly, daemons should not create files under /etc!
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manage_files_pattern(xdm_t,xdm_rw_etc_t,xdm_rw_etc_t)
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manage_dirs_pattern(xdm_t,xdm_tmp_t,xdm_tmp_t)
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manage_files_pattern(xdm_t,xdm_tmp_t,xdm_tmp_t)
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manage_sock_files_pattern(xdm_t,xdm_tmp_t,xdm_tmp_t)
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files_tmp_filetrans(xdm_t, xdm_tmp_t, { file dir sock_file })
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manage_dirs_pattern(xdm_t,xdm_tmpfs_t,xdm_tmpfs_t)
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manage_files_pattern(xdm_t,xdm_tmpfs_t,xdm_tmpfs_t)
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manage_lnk_files_pattern(xdm_t,xdm_tmpfs_t,xdm_tmpfs_t)
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manage_fifo_files_pattern(xdm_t,xdm_tmpfs_t,xdm_tmpfs_t)
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manage_sock_files_pattern(xdm_t,xdm_tmpfs_t,xdm_tmpfs_t)
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fs_tmpfs_filetrans(xdm_t,xdm_tmpfs_t,{ dir file lnk_file sock_file fifo_file })
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manage_dirs_pattern(xdm_t,xdm_var_lib_t,xdm_var_lib_t)
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manage_files_pattern(xdm_t,xdm_var_lib_t,xdm_var_lib_t)
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files_var_lib_filetrans(xdm_t,xdm_var_lib_t,file)
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manage_dirs_pattern(xdm_t,xdm_var_run_t,xdm_var_run_t)
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manage_files_pattern(xdm_t,xdm_var_run_t,xdm_var_run_t)
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manage_fifo_files_pattern(xdm_t,xdm_var_run_t,xdm_var_run_t)
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files_pid_filetrans(xdm_t,xdm_var_run_t,{ dir file fifo_file })
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allow xdm_t xdm_xserver_t:process signal;
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allow xdm_t xdm_xserver_t:unix_stream_socket connectto;
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allow xdm_t xdm_xserver_tmp_t:sock_file rw_sock_file_perms;
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allow xdm_t xdm_xserver_tmp_t:dir { setattr list_dir_perms };
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# transition to the xdm xserver
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domtrans_pattern(xdm_t, xserver_exec_t, xdm_xserver_t)
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allow xdm_xserver_t xdm_t:process signal;
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allow xdm_t xdm_xserver_t:process { noatsecure siginh rlimitinh signal sigkill };
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allow xdm_t xdm_xserver_t:shm rw_shm_perms;
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# connect to xdm xserver over stream socket
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stream_connect_pattern(xdm_t,xdm_xserver_tmp_t,xdm_xserver_tmp_t,xdm_xserver_t)
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# Remove /tmp/.X11-unix/X0.
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delete_files_pattern(xdm_t,xdm_xserver_tmp_t,xdm_xserver_tmp_t)
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delete_sock_files_pattern(xdm_t,xdm_xserver_tmp_t,xdm_xserver_tmp_t)
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manage_dirs_pattern(xdm_t,xserver_log_t,xserver_log_t)
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manage_files_pattern(xdm_t,xserver_log_t,xserver_log_t)
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manage_fifo_files_pattern(xdm_t,xserver_log_t,xserver_log_t)
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logging_log_filetrans(xdm_t,xserver_log_t,file)
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kernel_read_system_state(xdm_t)
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kernel_read_kernel_sysctls(xdm_t)
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kernel_read_net_sysctls(xdm_t)
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kernel_read_network_state(xdm_t)
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corecmd_exec_shell(xdm_t)
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corecmd_exec_bin(xdm_t)
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corenet_all_recvfrom_unlabeled(xdm_t)
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corenet_all_recvfrom_netlabel(xdm_t)
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corenet_tcp_sendrecv_generic_if(xdm_t)
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corenet_udp_sendrecv_generic_if(xdm_t)
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corenet_tcp_sendrecv_all_nodes(xdm_t)
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corenet_udp_sendrecv_all_nodes(xdm_t)
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corenet_tcp_sendrecv_all_ports(xdm_t)
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corenet_udp_sendrecv_all_ports(xdm_t)
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corenet_tcp_bind_all_nodes(xdm_t)
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corenet_udp_bind_all_nodes(xdm_t)
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corenet_tcp_connect_all_ports(xdm_t)
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corenet_sendrecv_all_client_packets(xdm_t)
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# xdm tries to bind to biff_port_t
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corenet_dontaudit_tcp_bind_all_ports(xdm_t)
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dev_read_rand(xdm_t)
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dev_read_sysfs(xdm_t)
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dev_getattr_framebuffer_dev(xdm_t)
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dev_setattr_framebuffer_dev(xdm_t)
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dev_getattr_mouse_dev(xdm_t)
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dev_setattr_mouse_dev(xdm_t)
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dev_rw_apm_bios(xdm_t)
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dev_setattr_apm_bios_dev(xdm_t)
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dev_rw_dri(xdm_t)
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dev_rw_agp(xdm_t)
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dev_getattr_xserver_misc_dev(xdm_t)
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dev_setattr_xserver_misc_dev(xdm_t)
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dev_getattr_misc_dev(xdm_t)
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dev_setattr_misc_dev(xdm_t)
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dev_dontaudit_rw_misc(xdm_t)
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dev_getattr_video_dev(xdm_t)
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dev_setattr_video_dev(xdm_t)
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dev_getattr_scanner_dev(xdm_t)
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dev_setattr_scanner_dev(xdm_t)
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dev_getattr_sound_dev(xdm_t)
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dev_setattr_sound_dev(xdm_t)
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dev_getattr_power_mgmt_dev(xdm_t)
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dev_setattr_power_mgmt_dev(xdm_t)
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domain_use_interactive_fds(xdm_t)
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# Do not audit denied probes of /proc.
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domain_dontaudit_read_all_domains_state(xdm_t)
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files_read_etc_files(xdm_t)
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files_read_var_files(xdm_t)
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files_read_etc_runtime_files(xdm_t)
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files_exec_etc_files(xdm_t)
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files_list_mnt(xdm_t)
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# Read /usr/share/terminfo/l/linux and /usr/share/icons/default/index.theme...
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files_read_usr_files(xdm_t)
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# Poweroff wants to create the /poweroff file when run from xdm
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files_create_boot_flag(xdm_t)
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fs_getattr_all_fs(xdm_t)
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fs_search_auto_mountpoints(xdm_t)
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storage_dontaudit_read_fixed_disk(xdm_t)
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storage_dontaudit_write_fixed_disk(xdm_t)
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storage_dontaudit_setattr_fixed_disk_dev(xdm_t)
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storage_dontaudit_raw_read_removable_device(xdm_t)
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storage_dontaudit_raw_write_removable_device(xdm_t)
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storage_dontaudit_setattr_removable_dev(xdm_t)
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storage_dontaudit_rw_scsi_generic(xdm_t)
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term_setattr_console(xdm_t)
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term_use_unallocated_ttys(xdm_t)
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term_setattr_unallocated_ttys(xdm_t)
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auth_domtrans_pam_console(xdm_t)
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auth_manage_pam_pid(xdm_t)
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auth_manage_pam_console_data(xdm_t)
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auth_rw_faillog(xdm_t)
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auth_write_login_records(xdm_t)
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# Run telinit->init to shutdown.
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init_telinit(xdm_t)
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libs_use_ld_so(xdm_t)
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libs_use_shared_libs(xdm_t)
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libs_exec_lib_files(xdm_t)
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logging_read_generic_logs(xdm_t)
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miscfiles_read_localization(xdm_t)
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miscfiles_read_fonts(xdm_t)
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sysnet_read_config(xdm_t)
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userdom_dontaudit_use_unpriv_user_fds(xdm_t)
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userdom_create_all_users_keys(xdm_t)
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# for .dmrc
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userdom_read_unpriv_users_home_content_files(xdm_t)
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# Search /proc for any user domain processes.
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userdom_read_all_users_state(xdm_t)
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userdom_signal_all_users(xdm_t)
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sysadm_dontaudit_search_home_dirs(xdm_t)
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xserver_rw_session_template(xdm,xdm_t,xdm_tmpfs_t)
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xserver_unconfined(xdm_t)
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tunable_policy(`use_nfs_home_dirs',`
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fs_manage_nfs_dirs(xdm_t)
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fs_manage_nfs_files(xdm_t)
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fs_manage_nfs_symlinks(xdm_t)
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fs_exec_nfs_files(xdm_t)
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')
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tunable_policy(`use_samba_home_dirs',`
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fs_manage_cifs_dirs(xdm_t)
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fs_manage_cifs_files(xdm_t)
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fs_manage_cifs_symlinks(xdm_t)
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fs_exec_cifs_files(xdm_t)
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')
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tunable_policy(`xdm_sysadm_login',`
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userdom_xsession_spec_domtrans_all_users(xdm_t)
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# FIXME:
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# xserver_rw_session_template(xdm,userdomain)
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',`
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userdom_xsession_spec_domtrans_unpriv_users(xdm_t)
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# FIXME:
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# xserver_rw_session_template(xdm,unpriv_userdomain)
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# dontaudit xdm_xserver_t sysadm_t:shm { unix_read unix_write };
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# allow xdm_xserver_t xdm_tmpfs_t:file rw_file_perms;
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')
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optional_policy(`
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alsa_domtrans(xdm_t)
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')
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optional_policy(`
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consolekit_dbus_chat(xdm_t)
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')
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optional_policy(`
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consoletype_exec(xdm_t)
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')
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optional_policy(`
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# Talk to the console mouse server.
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gpm_stream_connect(xdm_t)
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gpm_setattr_gpmctl(xdm_t)
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')
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optional_policy(`
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hostname_exec(xdm_t)
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')
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optional_policy(`
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loadkeys_exec(xdm_t)
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')
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optional_policy(`
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locallogin_signull(xdm_t)
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')
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optional_policy(`
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# Do not audit attempts to check whether user root has email
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mta_dontaudit_getattr_spool_files(xdm_t)
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')
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optional_policy(`
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seutil_sigchld_newrole(xdm_t)
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')
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optional_policy(`
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udev_read_db(xdm_t)
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')
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optional_policy(`
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unconfined_domain(xdm_t)
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unconfined_domtrans(xdm_t)
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ifndef(`distro_redhat',`
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allow xdm_t self:process { execheap execmem };
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')
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ifdef(`distro_rhel4',`
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allow xdm_t self:process { execheap execmem };
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')
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')
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optional_policy(`
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userhelper_dontaudit_search_config(xdm_t)
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')
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optional_policy(`
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usermanage_read_crack_db(xdm_t)
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')
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optional_policy(`
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xfs_stream_connect(xdm_t)
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')
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########################################
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#
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# XDM Xserver local policy
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#
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allow xdm_xserver_t xdm_t:process { signal getpgid };
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allow xdm_xserver_t xdm_t:shm rw_shm_perms;
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# NB we do NOT allow xdm_xserver_t xdm_var_lib_t:dir, only access to an open
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# handle of a file inside the dir!!!
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allow xdm_xserver_t xdm_var_lib_t:file { getattr read };
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dontaudit xdm_xserver_t xdm_var_lib_t:dir search;
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allow xdm_xserver_t xdm_var_run_t:file { getattr read };
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# Label pid and temporary files with derived types.
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manage_files_pattern(xdm_xserver_t,xdm_tmp_t,xdm_tmp_t)
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manage_lnk_files_pattern(xdm_xserver_t,xdm_tmp_t,xdm_tmp_t)
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manage_sock_files_pattern(xdm_xserver_t,xdm_tmp_t,xdm_tmp_t)
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# Run xkbcomp.
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allow xdm_xserver_t xkb_var_lib_t:lnk_file read;
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can_exec(xdm_xserver_t, xkb_var_lib_t)
|
|
files_search_var_lib(xdm_xserver_t)
|
|
|
|
# VNC v4 module in X server
|
|
corenet_tcp_bind_vnc_port(xdm_xserver_t)
|
|
|
|
fs_search_auto_mountpoints(xdm_xserver_t)
|
|
|
|
init_use_fds(xdm_xserver_t)
|
|
|
|
# FIXME: After per user fonts are properly working
|
|
# xdm_xserver_t may no longer have any reason
|
|
# to read ROLE_home_t - examine this in more detail
|
|
# (xauth?)
|
|
userdom_read_unpriv_users_home_content_files(xdm_xserver_t)
|
|
|
|
xserver_use_all_users_fonts(xdm_xserver_t)
|
|
|
|
tunable_policy(`use_nfs_home_dirs',`
|
|
fs_manage_nfs_dirs(xdm_xserver_t)
|
|
fs_manage_nfs_files(xdm_xserver_t)
|
|
fs_manage_nfs_symlinks(xdm_xserver_t)
|
|
')
|
|
|
|
tunable_policy(`use_samba_home_dirs',`
|
|
fs_manage_cifs_dirs(xdm_xserver_t)
|
|
fs_manage_cifs_files(xdm_xserver_t)
|
|
fs_manage_cifs_symlinks(xdm_xserver_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
dbus_system_bus_client_template(xdm_xserver, xdm_xserver_t)
|
|
hal_dbus_chat(xdm_xserver_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
resmgr_stream_connect(xdm_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
rhgb_rw_shm(xdm_xserver_t)
|
|
rhgb_rw_tmpfs_files(xdm_xserver_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
unconfined_domain_noaudit(xdm_xserver_t)
|
|
unconfined_domtrans(xdm_xserver_t)
|
|
|
|
ifndef(`distro_redhat',`
|
|
allow xdm_xserver_t self:process { execheap execmem };
|
|
')
|
|
|
|
ifdef(`distro_rhel4',`
|
|
allow xdm_xserver_t self:process { execheap execmem };
|
|
')
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# Rules for unconfined access to this module
|
|
#
|
|
|
|
allow xserver_unconfined_type x_server_domain:x_server *;
|
|
allow xserver_unconfined_type { x_domain rootwindow_type }:x_drawable *;
|
|
allow xserver_unconfined_type x_server_domain:x_screen *;
|
|
allow xserver_unconfined_type x_domain:x_gc *;
|
|
allow xserver_unconfined_type { x_domain rootwindow_type }:x_colormap *;
|
|
allow xserver_unconfined_type xproperty_type:x_property *;
|
|
allow xserver_unconfined_type xselection_type:x_selection *;
|
|
allow xserver_unconfined_type x_domain:x_cursor *;
|
|
allow xserver_unconfined_type { x_domain remote_xclient_t }:x_client *;
|
|
allow xserver_unconfined_type { x_domain x_server_domain }:x_device *;
|
|
allow xserver_unconfined_type xextension_type:x_extension *;
|
|
allow xserver_unconfined_type { x_domain x_server_domain }:x_resource *;
|
|
allow xserver_unconfined_type xevent_type:{ x_event x_synthetic_event } *;
|
|
|
|
ifdef(`TODO',`
|
|
# Need to further investigate these permissions and
|
|
# perhaps define derived types.
|
|
allow xdm_t var_lib_t:dir { write search add_name remove_name create unlink };
|
|
allow xdm_t var_lib_t:file { create write unlink };
|
|
|
|
# Do not audit attempts to write to index files under /usr
|
|
dontaudit xdm_t usr_t:file write;
|
|
|
|
ifdef(`rhgb.te', `
|
|
allow xdm_xserver_t ramfs_t:dir rw_dir_perms;
|
|
allow xdm_xserver_t ramfs_t:file manage_file_perms;
|
|
allow rhgb_t xdm_xserver_t:process signal;
|
|
')
|
|
|
|
tunable_policy(`allow_polyinstantiation',`
|
|
# xdm needs access for linking .X11-unix to poly /tmp
|
|
allow xdm_t polymember:dir { add_name remove_name write };
|
|
allow xdm_t polymember:lnk_file { create unlink };
|
|
# xdm needs access for copying .Xauthority into new home
|
|
allow xdm_t polymember:file { create getattr write };
|
|
')
|
|
|
|
#
|
|
# Wants to delete .xsession-errors file
|
|
#
|
|
allow xdm_t user_home_type:file unlink;
|
|
#
|
|
# Should fix exec of pam_timestamp_check is not closing xdm file descriptor
|
|
#
|
|
allow pam_t xdm_t:fifo_file { getattr ioctl write };
|
|
') dnl end TODO
|