selinux-policy/refpolicy/policy/modules/services/xserver.if

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2006-01-19 22:01:48 +00:00
## <summary>X Windows Server</summary>
template(`xserver_common_domain_template',`
##############################
#
# Declarations
#
type $1_xserver_t;
domain_type($1_xserver_t)
type $1_xserver_tmp_t;
files_tmp_file($1_xserver_tmp_t)
type $1_xserver_tmpfs_t;
files_tmpfs_file($1_xserver_tmpfs_t)
##############################
#
# $1_xserver_t local policy
#
# setuid/setgid for the wrapper program to change UID
# sys_rawio is for iopl access - should not be needed for frame-buffer
# sys_admin, locking shared mem? chowning IPC message queues or semaphores?
# admin of APM bios?
# sys_nice is so that the X server can set a negative nice value
# execheap needed until the X module loader is fixed.
allow $1_xserver_t self:capability { dac_override fsetid setgid setuid ipc_owner sys_rawio sys_admin sys_nice sys_tty_config mknod net_bind_service };
dontaudit $1_xserver_t self:capability chown;
allow $1_xserver_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
allow $1_xserver_t self:process { execmem execheap setsched };
allow $1_xserver_t self:fd use;
allow $1_xserver_t self:fifo_file rw_file_perms;
allow $1_xserver_t self:sock_file r_file_perms;
allow $1_xserver_t self:shm create_shm_perms;
allow $1_xserver_t self:sem create_sem_perms;
allow $1_xserver_t self:msgq create_msgq_perms;
allow $1_xserver_t self:msg { send receive };
allow $1_xserver_t self:unix_dgram_socket { create_socket_perms sendto };
allow $1_xserver_t self:unix_stream_socket { create_stream_socket_perms connectto };
allow $1_xserver_t self:tcp_socket create_stream_socket_perms;
allow $1_xserver_t self:udp_socket create_socket_perms;
allow $1_xserver_t $1_xserver_tmp_t:dir manage_dir_perms;
allow $1_xserver_t $1_xserver_tmp_t:file manage_file_perms;
allow $1_xserver_t $1_xserver_tmp_t:sock_file manage_file_perms;
files_filetrans_tmp($1_xserver_t, $1_xserver_tmp_t, { file dir sock_file })
allow $1_xserver_t $1_xserver_tmpfs_t:dir manage_dir_perms;
allow $1_xserver_t $1_xserver_tmpfs_t:file manage_file_perms;
allow $1_xserver_t $1_xserver_tmpfs_t:lnk_file create_lnk_perms;
allow $1_xserver_t $1_xserver_tmpfs_t:sock_file manage_file_perms;
allow $1_xserver_t $1_xserver_tmpfs_t:fifo_file manage_file_perms;
fs_filetrans_tmpfs($1_xserver_t,$1_xserver_tmpfs_t,{ dir file lnk_file sock_file fifo_file })
allow $1_xserver_t xkb_var_lib_t:dir rw_dir_perms;
allow $1_xserver_t xkb_var_lib_t:file manage_file_perms;
allow $1_xserver_t xkb_var_lib_t:lnk_file create_lnk_perms;
files_search_var_lib($1_xserver_t)
# Create files in /var/log with the xserver_log_t type.
allow $1_xserver_t xserver_log_t:file manage_file_perms;
allow $1_xserver_t xserver_log_t:dir r_dir_perms;
logging_filetrans_log($1_xserver_t,xserver_log_t,file)
kernel_read_system_state($1_xserver_t)
kernel_read_device_sysctl($1_xserver_t)
# Xorg wants to check if kernel is tainted
kernel_read_kernel_sysctl($1_xserver_t)
# Run helper programs in $1_xserver_t.
corecmd_search_sbin($1_xserver_t)
corecmd_exec_bin($1_xserver_t)
corecmd_exec_shell($1_xserver_t)
corenet_non_ipsec_sendrecv($1_xserver_t)
corenet_tcp_sendrecv_generic_if($1_xserver_t)
corenet_udp_sendrecv_generic_if($1_xserver_t)
corenet_raw_sendrecv_generic_if($1_xserver_t)
corenet_tcp_sendrecv_all_nodes($1_xserver_t)
corenet_udp_sendrecv_all_nodes($1_xserver_t)
corenet_raw_sendrecv_all_nodes($1_xserver_t)
corenet_tcp_sendrecv_all_ports($1_xserver_t)
corenet_udp_sendrecv_all_ports($1_xserver_t)
corenet_tcp_bind_all_nodes($1_xserver_t)
corenet_udp_bind_all_nodes($1_xserver_t)
corenet_tcp_bind_xserver_port($1_xserver_t)
corenet_tcp_connect_all_ports($1_xserver_t)
dev_read_sysfs($1_xserver_t)
dev_rw_mouse($1_xserver_t)
dev_rw_mtrr($1_xserver_t)
dev_rw_apm_bios($1_xserver_t)
dev_rw_agp_dev($1_xserver_t)
dev_rw_framebuffer($1_xserver_t)
dev_manage_dri_dev($1_xserver_t)
dev_create_dir($1_xserver_t)
dev_setattr_dev_dir($1_xserver_t)
# raw memory access is needed if not using the frame buffer
dev_read_raw_memory($1_xserver_t)
dev_write_raw_memory($1_xserver_t)
# for other device nodes such as the NVidia binary-only driver
dev_rw_xserver_misc_dev($1_xserver_t)
# read events - the synaptics touchpad driver reads raw events
dev_rw_input_dev($1_xserver_t)
files_read_etc_files($1_xserver_t)
files_read_etc_runtime_files($1_xserver_t)
# brought on by rhgb
files_search_mnt($1_xserver_t)
# for nscd
files_dontaudit_search_pids($1_xserver_t)
fs_getattr_xattr_fs($1_xserver_t)
fs_search_nfs($1_xserver_t)
fs_search_auto_mountpoints($1_xserver_t)
term_setattr_unallocated_ttys($1_xserver_t)
term_use_unallocated_tty($1_xserver_t)
libs_use_ld_so($1_xserver_t)
libs_use_shared_libs($1_xserver_t)
logging_send_syslog_msg($1_xserver_t)
miscfiles_read_localization($1_xserver_t)
miscfiles_read_fonts($1_xserver_t)
seutil_dontaudit_search_config($1_xserver_t)
sysnet_read_config($1_xserver_t)
optional_policy(`authlogin',`
auth_search_pam_console_data($1_xserver_t)
')
optional_policy(`nis',`
nis_use_ypbind($1_xserver_t)
')
optional_policy(`nscd',`
nscd_use_socket($1_xserver_t)
')
ifdef(`TODO',`
ifdef(`distro_redhat',`
kernel_read_modprobe_sysctl($1_xserver_t)
modutils_domtrans_insmod($1_xserver_t)
ifdef(`rpm.te', `
allow $1_xserver_t rpm_t:shm { unix_read unix_write read write associate getattr };
allow $1_xserver_t rpm_tmpfs_t:file { read write };
rpm_use_fd($1_xserver_t)
')
')
file_type_auto_trans($1_xserver_t, xdm_xserver_tmp_t, $1_xserver_tmp_t, sock_file)
# Connect to xfs.
ifdef(`xfs.te', `
can_unix_connect($1_xserver_t, xfs_t)
allow $1_xserver_t xfs_tmp_t:dir r_dir_perms;
allow $1_xserver_t xfs_tmp_t:sock_file rw_file_perms;
')
') dnl end TODO
')
#######################################
## <summary>
## The per user domain template for the xserver module.
## </summary>
## <desc>
## <p>
## Define a derived domain for the X server when executed
## by a user domain (e.g. via startx). See the xdm module
## if using an X Display Manager.
## </p>
## <p>
## This is invoked automatically for each user and
## generally does not need to be invoked directly
## by policy writers.
## </p>
## </desc>
## <param name="prefix">
## The prefix of the user domain (e.g., user
## is the prefix for user_t).
## </param>
## <param name="user_domain">
## The type of the user domain.
## </param>
## <param name="user_role">
## The role associated with the user domain.
## </param>
#
template(`xserver_per_userdomain_template',`
##############################
#
# Declarations
#
xserver_common_domain_template($1)
role $3 types $1_xserver_t;
##############################
#
# Local policy
#
domain_auto_trans($2, xserver_exec_t, $1_xserver_t)
allow $2 $1_xserver_t:fd use;
allow $1_xserver_t $2:fd use;
allow $1_xserver_t $2:fifo_file rw_file_perms;
allow $1_xserver_t $2:process { signal sigchld };
allow $1_xserver_t $2:shm rw_shm_perms;
allow $2 $1_xserver_tmp_t:dir r_dir_perms;
allow $2 $1_xserver_tmp_t:sock_file rw_file_perms;
allow $2 $1_xserver_t:unix_stream_socket connectto;
allow $2 $1_xserver_tmpfs_t:file rw_file_perms;
# Communicate via System V shared memory.
allow $1_xserver_t $2:shm rw_shm_perms;
allow $2 $1_xserver_t:shm rw_shm_perms;
getty_use_fd($1_xserver_t)
locallogin_use_fd($1_xserver_t)
userdom_search_user_home($1,$1_xserver_t)
userdom_use_user_tty($1,$1_xserver_t)
userdom_setattr_user_tty($1,$1_xserver_t)
userdom_rw_user_tmpfs_files($1,$1_xserver_t)
optional_policy(`userhelper',`
userhelper_search_config($1_xserver_t)
')
ifdef(`TODO',`
# Read fonts
read_fonts($1_xserver_t, $1)
ifdef(`xauth.te', `
domain_auto_trans($1_xserver_t, xauth_exec_t, $1_xauth_t)
allow $1_xserver_t $1_xauth_home_t:file { getattr read };
', `
allow $1_xserver_t $1_home_t:file { getattr read };
')
allow $1_t xdm_xserver_tmp_t:dir r_dir_perms;
allow $1_t xdm_xserver_t:unix_stream_socket connectto;
ifdef(`xdm.te', `
allow $1_t xdm_tmp_t:sock_file unlink;
allow $1_xserver_t xdm_var_run_t:dir search;
')
') dnl end TODO
')
#######################################
## <summary>
## Define a derived domain for the X server when executed
## by an X Display Manager.
## </summary>
## <param name="prefix">
## The prefix of the display manager domain.
## </param>
## <param name="xdm_domain">
## The type of the display manager domain.
## </param>
#
template(`xserver_displaymgr_domain_template',`
##############################
#
# Declarations
#
xserver_common_domain_template($1)
role system_r types xdm_xserver_t;
##############################
#
# Local policy
#
domain_auto_trans($2, xserver_exec_t, $1_xserver_t)
allow $2 $1_xserver_t:fd use;
allow $1_xserver_t $2:fd use;
allow $1_xserver_t $2:fifo_file rw_file_perms;
allow $1_xserver_t $2:process { signal sigchld };
allow $2 $1_xserver_t:process signal;
allow $2 $1_xserver_tmp_t:dir r_dir_perms;
allow $2 $1_xserver_tmp_t:sock_file rw_file_perms;
allow $2 $1_xserver_t:unix_stream_socket connectto;
allow $2 $1_xserver_t:shm rw_shm_perms;
allow $1_xserver_t $2:shm rw_shm_perms;
init_use_fd($1_xserver_t)
userdom_dontaudit_search_all_users_home($1_xserver_t)
ifdef(`TODO',`
# Read all global and per user fonts
read_fonts($1_xserver_t, sysadm)
read_fonts($1_xserver_t, staff)
read_fonts($1_xserver_t, user)
dontaudit $1_xserver_t sysadm_t:shm { unix_read unix_write };
allow $1_xserver_t xdm_tmpfs_t:file rw_file_perms;
') dnl end TODO
')