selinux-policy/policy/modules/system/udev.te


policy_module(udev,1.7.0)

########################################
#
# Declarations
#

type udev_t;
type udev_exec_t;
type udev_helper_exec_t;
kernel_domtrans_to(udev_t,udev_exec_t)
domain_obj_id_change_exemption(udev_t)
domain_entry_file(udev_t,udev_helper_exec_t)
domain_interactive_fd(udev_t)
init_daemon_domain(udev_t,udev_exec_t)

type udev_etc_t alias etc_udev_t;
files_config_file(udev_etc_t)

# udev_runtime_t is the type of the udev table file
# cjp: this is probably a copy of udev_tbl_t and can be removed
type udev_runtime_t;
files_type(udev_runtime_t)

type udev_tbl_t alias udev_tdb_t;
files_type(udev_tbl_t)

type udev_var_run_t;
files_pid_file(udev_var_run_t)

ifdef(`enable_mcs',`
	kernel_ranged_domtrans_to(udev_t,udev_exec_t,s0 - mcs_systemhigh)
	init_ranged_daemon_domain(udev_t,udev_exec_t,s0 - mcs_systemhigh)
')

########################################
#
# Local policy
#

allow udev_t self:capability { chown dac_override dac_read_search fowner fsetid sys_admin mknod net_raw net_admin sys_nice sys_rawio sys_resource setuid setgid sys_nice sys_ptrace };
dontaudit udev_t self:capability sys_tty_config;
allow udev_t self:process ~{ setcurrent setexec setfscreate setrlimit execmem execstack execheap };
allow udev_t self:process { execmem setfscreate };
allow udev_t self:fd use;
allow udev_t self:fifo_file rw_fifo_file_perms;
allow udev_t self:sock_file read_file_perms;
allow udev_t self:shm create_shm_perms;
allow udev_t self:sem create_sem_perms;
allow udev_t self:msgq create_msgq_perms;
allow udev_t self:msg { send receive };
allow udev_t self:unix_stream_socket { listen accept };
allow udev_t self:unix_dgram_socket sendto;
allow udev_t self:unix_stream_socket connectto;
allow udev_t self:netlink_kobject_uevent_socket create_socket_perms;
allow udev_t self:rawip_socket create_socket_perms;

allow udev_t udev_exec_t:file write;
can_exec(udev_t, udev_exec_t)

allow udev_t udev_helper_exec_t:dir list_dir_perms;

# read udev config
allow udev_t udev_etc_t:file read_file_perms;

# create udev database in /dev/.udevdb
allow udev_t udev_tbl_t:file manage_file_perms;
dev_filetrans(udev_t,udev_tbl_t,file)

manage_files_pattern(udev_t,udev_var_run_t,udev_var_run_t)
files_pid_filetrans(udev_t,udev_var_run_t,file)

kernel_read_system_state(udev_t)
kernel_getattr_core_if(udev_t)
kernel_use_fds(udev_t)
kernel_read_device_sysctls(udev_t)
kernel_read_hotplug_sysctls(udev_t)
kernel_read_modprobe_sysctls(udev_t)
kernel_read_kernel_sysctls(udev_t)
kernel_rw_hotplug_sysctls(udev_t)
kernel_rw_unix_dgram_sockets(udev_t)
kernel_dgram_send(udev_t)
kernel_signal(udev_t)

corecmd_exec_all_executables(udev_t)

dev_rw_sysfs(udev_t)
dev_manage_all_dev_nodes(udev_t)
dev_rw_generic_files(udev_t)
dev_delete_generic_files(udev_t)

domain_read_all_domains_state(udev_t)
domain_dontaudit_ptrace_all_domains(udev_t) #pidof triggers these 

files_read_etc_runtime_files(udev_t)
files_read_etc_files(udev_t)
files_exec_etc_files(udev_t)
files_dontaudit_search_isid_type_dirs(udev_t)
files_getattr_generic_locks(udev_t)
files_search_mnt(udev_t)

fs_getattr_all_fs(udev_t)
fs_list_inotifyfs(udev_t)

mcs_ptrace_all(udev_t)

mls_file_read_up(udev_t)
mls_file_write_down(udev_t)
mls_file_upgrade(udev_t)
mls_file_downgrade(udev_t)
mls_process_write_down(udev_t)

selinux_get_fs_mount(udev_t)
selinux_validate_context(udev_t)
selinux_compute_access_vector(udev_t)
selinux_compute_create_context(udev_t)
selinux_compute_relabel_context(udev_t)
selinux_compute_user_contexts(udev_t)

auth_read_pam_console_data(udev_t)
auth_domtrans_pam_console(udev_t)
auth_use_nsswitch(udev_t)

init_read_utmp(udev_t)
init_dontaudit_write_utmp(udev_t)

libs_use_ld_so(udev_t)
libs_use_shared_libs(udev_t)

logging_search_logs(udev_t)
logging_send_syslog_msg(udev_t)

miscfiles_read_localization(udev_t)

modutils_domtrans_insmod(udev_t)
# read modules.inputmap:
modutils_read_module_deps(udev_t)

seutil_read_config(udev_t)
seutil_read_default_contexts(udev_t)
seutil_read_file_contexts(udev_t)
seutil_domtrans_setfiles(udev_t)

sysnet_domtrans_ifconfig(udev_t)
sysnet_domtrans_dhcpc(udev_t)

userdom_use_sysadm_ttys(udev_t)
userdom_dontaudit_search_all_users_home_content(udev_t)

ifdef(`distro_gentoo',`
	# during boot, init scripts use /dev/.rcsysinit
	# existance to determine if we are in early booting
	init_getattr_script_status_files(udev_t)
')

ifdef(`distro_redhat',`
	fs_manage_tmpfs_dirs(udev_t)
	fs_manage_tmpfs_files(udev_t)
	fs_manage_tmpfs_symlinks(udev_t)
	fs_manage_tmpfs_sockets(udev_t)
	fs_manage_tmpfs_blk_files(udev_t)
	fs_manage_tmpfs_chr_files(udev_t)
	fs_relabel_tmpfs_blk_file(udev_t)
	fs_relabel_tmpfs_chr_file(udev_t)

	term_search_ptys(udev_t)

	# for arping used for static IP addresses on PCMCIA ethernet
	netutils_domtrans(udev_t)
')

ifdef(`targeted_policy',`
	term_dontaudit_use_unallocated_ttys(udev_t)
	term_dontaudit_use_generic_ptys(udev_t)
')

optional_policy(`
	consoletype_exec(udev_t)
')

optional_policy(`
	dbus_system_bus_client_template(udev,udev_t)
')

optional_policy(`
	hal_dgram_send(udev_t)
')

optional_policy(`
	hotplug_read_config(udev_t)
	# usb.agent searches /var/run/usb
	hotplug_search_pids(udev_t)
')

optional_policy(`
	xserver_read_xdm_pid(udev_t)
')
initial commit 2005-04-28 15:45:32 +00:00
trunk: update module version numbers for release. 2007-06-29 14:48:13 +00:00			`policy_module(udev,1.7.0)`
updates 2005-05-02 21:01:08 +00:00
			`########################################`
			`#`
			`# Declarations`
			`#`

add mls privileges 2005-09-26 20:26:32 +00:00			`type udev_t;`
- Move range transitions to modules. - Make number of MLS sensitivities, and number of MLS and MCS categories configurable as build options. 2006-10-04 17:25:34 +00:00			`type udev_exec_t;`
initial commit 2005-04-28 15:45:32 +00:00			`type udev_helper_exec_t;`
from today's interface review meeting: s/kernel_use_unlabeled_blk_dev/kernel_rw_unlabeled_blk_dev/g s/kernel_userland_entry/kernel_domtrans_to/g 2006-01-27 19:55:42 +00:00			`kernel_domtrans_to(udev_t,udev_exec_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`domain_obj_id_change_exemption(udev_t)`
renaming insanity 2005-06-13 17:35:46 +00:00			`domain_entry_file(udev_t,udev_helper_exec_t)`
another round of renaming 2006-02-20 21:33:25 +00:00			`domain_interactive_fd(udev_t)`
renaming insanity 2005-06-13 17:35:46 +00:00			`init_daemon_domain(udev_t,udev_exec_t)`
initial commit 2005-04-28 15:45:32 +00:00
			`type udev_etc_t alias etc_udev_t;`
more fix 2005-10-24 18:40:24 +00:00			`files_config_file(udev_etc_t)`
initial commit 2005-04-28 15:45:32 +00:00
a few more copied over 2005-05-04 13:16:09 +00:00			`# udev_runtime_t is the type of the udev table file`
			`# cjp: this is probably a copy of udev_tbl_t and can be removed`
			`type udev_runtime_t;`
another round of renaming, for consistency 2005-06-29 14:26:41 +00:00			`files_type(udev_runtime_t)`
a few more copied over 2005-05-04 13:16:09 +00:00
initial commit 2005-04-28 15:45:32 +00:00			`type udev_tbl_t alias udev_tdb_t;`
another round of renaming, for consistency 2005-06-29 14:26:41 +00:00			`files_type(udev_tbl_t)`
updates 2005-05-02 21:01:08 +00:00
			`type udev_var_run_t;`
renaming insanity 2005-06-13 17:35:46 +00:00			`files_pid_file(udev_var_run_t)`
updates 2005-05-02 21:01:08 +00:00
- Move range transitions to modules. - Make number of MLS sensitivities, and number of MLS and MCS categories configurable as build options. 2006-10-04 17:25:34 +00:00			ifdef(`enable_mcs',`
			`kernel_ranged_domtrans_to(udev_t,udev_exec_t,s0 - mcs_systemhigh)`
			`init_ranged_daemon_domain(udev_t,udev_exec_t,s0 - mcs_systemhigh)`
			`')`

updates 2005-05-02 21:01:08 +00:00			`########################################`
			`#`
			`# Local policy`
			`#`
initial commit 2005-04-28 15:45:32 +00:00
patch from dan Wed, 26 Jul 2006 14:42:46 -0400 2006-07-28 15:13:58 +00:00			`allow udev_t self:capability { chown dac_override dac_read_search fowner fsetid sys_admin mknod net_raw net_admin sys_nice sys_rawio sys_resource setuid setgid sys_nice sys_ptrace };`
more fixes 2005-10-31 22:19:16 +00:00			`dontaudit udev_t self:capability sys_tty_config;`
patch from dan Wed, 26 Jul 2006 14:42:46 -0400 2006-07-28 15:13:58 +00:00			`allow udev_t self:process ~{ setcurrent setexec setfscreate setrlimit execmem execstack execheap };`
initial commit 2005-04-28 15:45:32 +00:00			`allow udev_t self:process { execmem setfscreate };`
			`allow udev_t self:fd use;`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow udev_t self:fifo_file rw_fifo_file_perms;`
			`allow udev_t self:sock_file read_file_perms;`
aliasing 2005-06-08 21:07:03 +00:00			`allow udev_t self:shm create_shm_perms;`
			`allow udev_t self:sem create_sem_perms;`
			`allow udev_t self:msgq create_msgq_perms;`
initial commit 2005-04-28 15:45:32 +00:00			`allow udev_t self:msg { send receive };`
partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`allow udev_t self:unix_stream_socket { listen accept };`
			`allow udev_t self:unix_dgram_socket sendto;`
			`allow udev_t self:unix_stream_socket connectto;`
			`allow udev_t self:netlink_kobject_uevent_socket create_socket_perms;`
aliasing 2005-06-08 21:07:03 +00:00			`allow udev_t self:rawip_socket create_socket_perms;`
initial commit 2005-04-28 15:45:32 +00:00
aliasing 2005-06-08 21:07:03 +00:00			`allow udev_t udev_exec_t:file write;`
			`can_exec(udev_t, udev_exec_t)`
many fixes from cab work 2005-05-30 21:17:20 +00:00
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow udev_t udev_helper_exec_t:dir list_dir_perms;`
initial commit 2005-04-28 15:45:32 +00:00
			`# read udev config`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow udev_t udev_etc_t:file read_file_perms;`
initial commit 2005-04-28 15:45:32 +00:00
			`# create udev database in /dev/.udevdb`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow udev_t udev_tbl_t:file manage_file_perms;`
another round of renaming 2006-02-21 18:40:44 +00:00			`dev_filetrans(udev_t,udev_tbl_t,file)`
initial commit 2005-04-28 15:45:32 +00:00
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`manage_files_pattern(udev_t,udev_var_run_t,udev_var_run_t)`
make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`files_pid_filetrans(udev_t,udev_var_run_t,file)`
updates 2005-05-02 21:01:08 +00:00
initial commit 2005-04-28 15:45:32 +00:00			`kernel_read_system_state(udev_t)`
renaming from 20060131 interface review, round 2 2006-01-31 16:49:43 +00:00			`kernel_getattr_core_if(udev_t)`
make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`kernel_use_fds(udev_t)`
renaming from 20060131 interface review, round 2 2006-01-31 16:49:43 +00:00			`kernel_read_device_sysctls(udev_t)`
			`kernel_read_hotplug_sysctls(udev_t)`
			`kernel_read_modprobe_sysctls(udev_t)`
			`kernel_read_kernel_sysctls(udev_t)`
			`kernel_rw_hotplug_sysctls(udev_t)`
			`kernel_rw_unix_dgram_sockets(udev_t)`
fix sendto 2006-02-06 15:43:46 +00:00			`kernel_dgram_send(udev_t)`
more merging of NSA CVS policy 2005-09-13 13:06:07 +00:00			`kernel_signal(udev_t)`
add a couple more nfs and cifs interfaces, to cover most of the use_(nfs\|cifs)_home_dirs tunable 2005-06-16 20:33:51 +00:00
patch from dan Thu, 31 Aug 2006 15:16:30 -0400 2006-09-01 15:52:05 +00:00			`corecmd_exec_all_executables(udev_t)`

more updates 2005-09-15 21:03:29 +00:00			`dev_rw_sysfs(udev_t)`
renaming from 20060131 interface review 2006-01-31 16:08:56 +00:00			`dev_manage_all_dev_nodes(udev_t)`
			`dev_rw_generic_files(udev_t)`
			`dev_delete_generic_files(udev_t)`
add a couple more nfs and cifs interfaces, to cover most of the use_(nfs\|cifs)_home_dirs tunable 2005-06-16 20:33:51 +00:00
patch from dan Thu, 31 Aug 2006 15:16:30 -0400 2006-09-01 15:52:05 +00:00			`domain_read_all_domains_state(udev_t)`
patch from dan Fri, 22 Sep 2006 16:30:34 -0400 2006-09-25 18:53:06 +00:00			`domain_dontaudit_ptrace_all_domains(udev_t) #pidof triggers these`
patch from dan Thu, 31 Aug 2006 15:16:30 -0400 2006-09-01 15:52:05 +00:00
			`files_read_etc_runtime_files(udev_t)`
			`files_read_etc_files(udev_t)`
			`files_exec_etc_files(udev_t)`
			`files_dontaudit_search_isid_type_dirs(udev_t)`
			`files_getattr_generic_locks(udev_t)`
			`files_search_mnt(udev_t)`

add a couple more nfs and cifs interfaces, to cover most of the use_(nfs\|cifs)_home_dirs tunable 2005-06-16 20:33:51 +00:00			`fs_getattr_all_fs(udev_t)`
patch from dan Thu, 09 Feb 2006 13:39:41 -0500 2006-02-13 22:05:08 +00:00			`fs_list_inotifyfs(udev_t)`
add a couple more nfs and cifs interfaces, to cover most of the use_(nfs\|cifs)_home_dirs tunable 2005-06-16 20:33:51 +00:00
patch from dan Thu, 31 Aug 2006 15:16:30 -0400 2006-09-01 15:52:05 +00:00			`mcs_ptrace_all(udev_t)`

			`mls_file_read_up(udev_t)`
			`mls_file_write_down(udev_t)`
			`mls_file_upgrade(udev_t)`
			`mls_file_downgrade(udev_t)`
			`mls_process_write_down(udev_t)`

finish renaming system/selinux to system/selinuxutil 2005-06-14 20:48:34 +00:00			`selinux_get_fs_mount(udev_t)`
			`selinux_validate_context(udev_t)`
			`selinux_compute_access_vector(udev_t)`
			`selinux_compute_create_context(udev_t)`
			`selinux_compute_relabel_context(udev_t)`
			`selinux_compute_user_contexts(udev_t)`
updates 2005-05-02 21:01:08 +00:00
add nscd_socket_use() to auth_use_nsswitch() since it caches nss lookups. 2006-08-22 19:37:56 +00:00			`auth_read_pam_console_data(udev_t)`
			`auth_domtrans_pam_console(udev_t)`
partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`auth_use_nsswitch(udev_t)`

Change initrc_var_run_t interface noun from script_pid to utmp for clarity. 2006-01-18 18:08:39 +00:00			`init_read_utmp(udev_t)`
			`init_dontaudit_write_utmp(udev_t)`
initial commit 2005-04-28 15:45:32 +00:00
renaming insanity 2005-06-13 17:35:46 +00:00			`libs_use_ld_so(udev_t)`
			`libs_use_shared_libs(udev_t)`
cleanup 2005-05-24 22:22:26 +00:00
more work to clean up and complete current modules 2005-06-20 17:41:29 +00:00			`logging_search_logs(udev_t)`
renaming insanity 2005-06-13 17:35:46 +00:00			`logging_send_syslog_msg(udev_t)`
initial commit 2005-04-28 15:45:32 +00:00
many fixes from cab work 2005-05-30 21:17:20 +00:00			`miscfiles_read_localization(udev_t)`

renaming insanity 2005-06-13 17:35:46 +00:00			`modutils_domtrans_insmod(udev_t)`
fixes from gentoo strict testing: - Allow semanage to read from /root on strict non-MLS for local policy modules. - Gentoo init script fixes for udev. - Allow udev to read kernel modules.inputmap. - Dnsmasq fixes from testing. - Allow kernel NFS server to getattr filesystems so df can work on clients. 2006-11-13 03:24:07 +00:00			`# read modules.inputmap:`
			`modutils_read_module_deps(udev_t)`
many fixes from cab work 2005-05-30 21:17:20 +00:00
finish renaming system/selinux to system/selinuxutil 2005-06-14 20:48:34 +00:00			`seutil_read_config(udev_t)`
			`seutil_read_default_contexts(udev_t)`
			`seutil_read_file_contexts(udev_t)`
merge restorecon into setfiles 2007-05-11 17:10:43 +00:00			`seutil_domtrans_setfiles(udev_t)`
many fixes from cab work 2005-05-30 21:17:20 +00:00
renaming insanity 2005-06-13 17:35:46 +00:00			`sysnet_domtrans_ifconfig(udev_t)`
add nscd_socket_use() to auth_use_nsswitch() since it caches nss lookups. 2006-08-22 19:37:56 +00:00			`sysnet_domtrans_dhcpc(udev_t)`
more conversion 2005-05-04 17:01:46 +00:00
another slew of renaming 2006-02-02 21:08:12 +00:00			`userdom_use_sysadm_ttys(udev_t)`
another round of renaming 2006-02-21 18:40:44 +00:00			`userdom_dontaudit_search_all_users_home_content(udev_t)`
more work on current modules 2005-06-30 18:54:08 +00:00
fixes from gentoo strict testing: - Allow semanage to read from /root on strict non-MLS for local policy modules. - Gentoo init script fixes for udev. - Allow udev to read kernel modules.inputmap. - Dnsmasq fixes from testing. - Allow kernel NFS server to getattr filesystems so df can work on clients. 2006-11-13 03:24:07 +00:00			ifdef(`distro_gentoo',`
			`# during boot, init scripts use /dev/.rcsysinit`
			`# existance to determine if we are in early booting`
			`init_getattr_script_status_files(udev_t)`
			`')`

start switching over to new tunable infrastructure 2005-06-07 18:45:47 +00:00			ifdef(`distro_redhat',`
more updates 2005-09-15 21:03:29 +00:00			`fs_manage_tmpfs_dirs(udev_t)`
			`fs_manage_tmpfs_files(udev_t)`
clean up more todos 2005-06-29 20:53:53 +00:00			`fs_manage_tmpfs_symlinks(udev_t)`
			`fs_manage_tmpfs_sockets(udev_t)`
renaming from 20060131 interface review, round 4 2006-01-31 20:29:27 +00:00			`fs_manage_tmpfs_blk_files(udev_t)`
			`fs_manage_tmpfs_chr_files(udev_t)`
			`fs_relabel_tmpfs_blk_file(udev_t)`
			`fs_relabel_tmpfs_chr_file(udev_t)`
add xml comments to interfaces, convert over userdomain stuff 2005-05-19 21:06:06 +00:00
5 patches from dan. confine insmod and udev on targeted, misc fc fixes, sasl kerberos use, and samba port fixes 2007-04-11 17:56:03 +00:00			`term_search_ptys(udev_t)`

change over to some perm set macros. add indentation 2005-06-03 12:25:14 +00:00			`# for arping used for static IP addresses on PCMCIA ethernet`
renaming insanity 2005-06-13 17:35:46 +00:00			`netutils_domtrans(udev_t)`
start switching over to new tunable infrastructure 2005-06-07 18:45:47 +00:00			`')`
add xml comments to interfaces, convert over userdomain stuff 2005-05-19 21:06:06 +00:00
more targeted policy fixes 2005-07-19 20:26:02 +00:00			ifdef(`targeted_policy',`
another slew of renaming 2006-02-02 21:08:12 +00:00			`term_dontaudit_use_unallocated_ttys(udev_t)`
			`term_dontaudit_use_generic_ptys(udev_t)`
more targeted policy fixes 2005-07-19 20:26:02 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
renaming insanity 2005-06-13 17:35:46 +00:00			`consoletype_exec(udev_t)`
initial commit 2005-04-28 15:45:32 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
add dbus 2005-08-31 20:58:12 +00:00			`dbus_system_bus_client_template(udev,udev_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`hal_dgram_send(udev_t)`
fix several modular build problems 2005-11-29 21:27:15 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
change over to some perm set macros. add indentation 2005-06-03 12:25:14 +00:00			`hotplug_read_config(udev_t)`
fixes from gentoo strict testing: - Allow semanage to read from /root on strict non-MLS for local policy modules. - Gentoo init script fixes for udev. - Allow udev to read kernel modules.inputmap. - Dnsmasq fixes from testing. - Allow kernel NFS server to getattr filesystems so df can work on clients. 2006-11-13 03:24:07 +00:00			`# usb.agent searches /var/run/usb`
			`hotplug_search_pids(udev_t)`
more conversion 2005-05-04 17:01:46 +00:00			`')`

TODO cleanup 2006-04-03 19:49:47 +00:00			optional_policy(`
			`xserver_read_xdm_pid(udev_t)`
			`')`