ifdef(`enable_mls',`

#

# Define sensitivities 

#

# Each sensitivity has a name and zero or more aliases.

#

sensitivity s0;

sensitivity s1;

sensitivity s2;

sensitivity s3;

sensitivity s4;

sensitivity s5;

sensitivity s6;

sensitivity s7;

sensitivity s8;

sensitivity s9;

sensitivity s10;

sensitivity s11;

sensitivity s12;

sensitivity s13;

sensitivity s14;

sensitivity s15;

#

# Define the ordering of the sensitivity levels (least to greatest)

#

dominance { s0 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 }

#

# Define the categories

#

# Each category has a name and zero or more aliases.

#

category c0; category c1; category c2; category c3;

category c4; category c5; category c6; category c7;

category c8; category c9; category c10; category c11;

category c12; category c13; category c14; category c15;

category c16; category c17; category c18; category c19;

category c20; category c21; category c22; category c23;

category c24; category c25; category c26; category c27;

category c28; category c29; category c30; category c31;

category c32; category c33; category c34; category c35;

category c36; category c37; category c38; category c39;

category c40; category c41; category c42; category c43;

category c44; category c45; category c46; category c47;

category c48; category c49; category c50; category c51;

category c52; category c53; category c54; category c55;

category c56; category c57; category c58; category c59;

category c60; category c61; category c62; category c63;

category c64; category c65; category c66; category c67;

category c68; category c69; category c70; category c71;

category c72; category c73; category c74; category c75;

category c76; category c77; category c78; category c79;

category c80; category c81; category c82; category c83;

category c84; category c85; category c86; category c87;

category c88; category c89; category c90; category c91;

category c92; category c93; category c94; category c95;

category c96; category c97; category c98; category c99;

category c100; category c101; category c102; category c103;

category c104; category c105; category c106; category c107;

category c108; category c109; category c110; category c111;

category c112; category c113; category c114; category c115;

category c116; category c117; category c118; category c119;

category c120; category c121; category c122; category c123;

category c124; category c125; category c126; category c127;

category c128; category c129; category c130; category c131;

category c132; category c133; category c134; category c135;

category c136; category c137; category c138; category c139;

category c140; category c141; category c142; category c143;

category c144; category c145; category c146; category c147;

category c148; category c149; category c150; category c151;

category c152; category c153; category c154; category c155;

category c156; category c157; category c158; category c159;

category c160; category c161; category c162; category c163;

category c164; category c165; category c166; category c167;

category c168; category c169; category c170; category c171;

category c172; category c173; category c174; category c175;

category c176; category c177; category c178; category c179;

category c180; category c181; category c182; category c183;

category c184; category c185; category c186; category c187;

category c188; category c189; category c190; category c191;

category c192; category c193; category c194; category c195;

category c196; category c197; category c198; category c199;

category c200; category c201; category c202; category c203;

category c204; category c205; category c206; category c207;

category c208; category c209; category c210; category c211;

category c212; category c213; category c214; category c215;

category c216; category c217; category c218; category c219;

category c220; category c221; category c222; category c223;

category c224; category c225; category c226; category c227;

category c228; category c229; category c230; category c231;

category c232; category c233; category c234; category c235;

category c236; category c237; category c238; category c239;

category c240; category c241; category c242; category c243;

category c244; category c245; category c246; category c247;

category c248; category c249; category c250; category c251;

category c252; category c253; category c254; category c255;

#

# Each MLS level specifies a sensitivity and zero or more categories which may

# be associated with that sensitivity.

#

level s0:c0.c255;

level s1:c0.c255;

level s2:c0.c255;

level s3:c0.c255;

level s4:c0.c255;

level s5:c0.c255;

level s6:c0.c255;

level s7:c0.c255;

level s8:c0.c255;

level s9:c0.c255;

level s10:c0.c255;

level s11:c0.c255;

level s12:c0.c255;

level s13:c0.c255;

level s14:c0.c255;

level s15:c0.c255;

#

# Define the MLS policy

#

# mlsconstrain class_set perm_set expression ;

#

# mlsvalidatetrans class_set expression ;

#

# expression : ( expression )

#	     | not expression

#	     | expression and expression

#	     | expression or expression

#	     | u1 op u2

#	     | r1 role_mls_op r2

#	     | t1 op t2

#	     | l1 role_mls_op l2

#	     | l1 role_mls_op h2

#	     | h1 role_mls_op l2

#	     | h1 role_mls_op h2

#	     | l1 role_mls_op h1

#	     | l2 role_mls_op h2

#	     | u1 op names

#	     | u2 op names

#	     | r1 op names

#	     | r2 op names

#	     | t1 op names

#	     | t2 op names

#	     | u3 op names (NOTE: this is only available for mlsvalidatetrans)

#	     | r3 op names (NOTE: this is only available for mlsvalidatetrans)

#	     | t3 op names (NOTE: this is only available for mlsvalidatetrans)

#

# op : == | !=

# role_mls_op : == | != | eq | dom | domby | incomp

#

# names : name | { name_list }

# name_list : name | name_list name

#

#

# MLS policy for the file classes

#

# make sure these file classes are "single level"

mlsconstrain { file lnk_file fifo_file } { create relabelto }

	( l2 eq h2 );

# new file labels must be dominated by the relabeling subjects clearance

mlsconstrain { dir file lnk_file chr_file blk_file sock_file fifo_file } relabelto

	( h1 dom h2 );

# the file "read" ops (note the check is dominance of the low level)

mlsconstrain { dir file lnk_file chr_file blk_file sock_file fifo_file } { read getattr execute }

	(( l1 dom l2 ) or

	 (( t1 == mlsfilereadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsfileread ) or

	 ( t2 == mlstrustedobject ));

mlsconstrain dir search

	(( l1 dom l2 ) or

	 (( t1 == mlsfilereadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsfileread ) or

	 ( t2 == mlstrustedobject ));

# the "single level" file "write" ops

mlsconstrain { file lnk_file fifo_file dir chr_file blk_file sock_file } { write create setattr relabelfrom append unlink link rename mounton }

	(( l1 eq l2 ) or

	 (( t1 == mlsfilewritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsfilewrite ) or

	 ( t2 == mlstrustedobject ));

mlsconstrain dir { add_name remove_name reparent rmdir }

	((( l1 dom l2 ) and ( l1 domby h2 )) or

	 (( t1 == mlsfilewritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsfilewrite ) or

	 ( t2 == mlstrustedobject ));

# these access vectors have no MLS restrictions

# { dir file lnk_file chr_file blk_file sock_file fifo_file } { ioctl lock swapon quotaon }

#

# { file chr_file } { execute_no_trans entrypoint execmod }

# the file upgrade/downgrade rule

mlsvalidatetrans { dir file lnk_file chr_file blk_file sock_file fifo_file }

	((( l1 eq l2 ) or

	  (( t3 == mlsfileupgrade ) and ( l1 domby l2 )) or

	  (( t3 == mlsfiledowngrade ) and ( l1 dom l2 )) or

	  (( t3 == mlsfiledowngrade ) and ( l1 incomp l2 ))) and

	 (( h1 eq h2 ) or

	  (( t3 == mlsfileupgrade ) and ( h1 domby h2 )) or

	  (( t3 == mlsfiledowngrade ) and ( h1 dom h2 )) or

	  (( t3 == mlsfiledowngrade ) and ( h1 incomp h2 ))));

# create can also require the upgrade/downgrade checks if the creating process

# has used setfscreate (note that both the high and low level of the object

# default to the process sensitivity level)

mlsconstrain { dir file lnk_file chr_file blk_file sock_file fifo_file } create

	((( l1 eq l2 ) or

	  (( t1 == mlsfileupgrade ) and ( l1 domby l2 )) or

	  (( t1 == mlsfiledowngrade ) and ( l1 dom l2 )) or

	  (( t1 == mlsfiledowngrade ) and ( l1 incomp l2 ))) and

	 (( l1 eq h2 ) or

	  (( t1 == mlsfileupgrade ) and ( l1 domby h2 )) or

	  (( t1 == mlsfiledowngrade ) and ( l1 dom h2 )) or

	  (( t1 == mlsfiledowngrade ) and ( l1 incomp h2 ))));

#

# MLS policy for the filesystem class

#

# new filesystem labels must be dominated by the relabeling subjects clearance

mlsconstrain filesystem relabelto

	( h1 dom h2 );

# the filesystem "read" ops (implicit single level)

mlsconstrain filesystem { getattr quotaget }

	(( l1 dom l2 ) or

	 (( t1 == mlsfilereadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsfileread ));

# all the filesystem "write" ops (implicit single level)

mlsconstrain filesystem { mount remount unmount relabelfrom quotamod }

	(( l1 eq l2 ) or

	 (( t1 == mlsfilewritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsfilewrite ));

# these access vectors have no MLS restrictions

# filesystem { transition associate }

#

# MLS policy for the socket classes

#

# new socket labels must be dominated by the relabeling subjects clearance

mlsconstrain { socket tcp_socket udp_socket rawip_socket netlink_socket packet_socket key_socket unix_stream_socket unix_dgram_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket } relabelto

	( h1 dom h2 );

# the socket "read" ops (note the check is dominance of the low level)

mlsconstrain { socket tcp_socket udp_socket rawip_socket netlink_socket packet_socket key_socket unix_stream_socket unix_dgram_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket } { read getattr listen accept getopt recvfrom recv_msg }

	(( l1 dom l2 ) or

	 (( t1 == mlsnetreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsnetread ));

mlsconstrain { netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_xfrm_socket netlink_audit_socket netlink_ip6fw_socket } nlmsg_read

	(( l1 dom l2 ) or

	 (( t1 == mlsnetreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsnetread ));

# the socket "write" ops

mlsconstrain { socket tcp_socket udp_socket rawip_socket netlink_socket packet_socket key_socket unix_stream_socket unix_dgram_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket } { write setattr relabelfrom connect setopt shutdown }

	((( l1 dom l2 ) and ( l1 domby h2 )) or

	 (( t1 == mlsnetwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsnetwrite ));

# these access vectors have no MLS restrictions

# { socket tcp_socket udp_socket rawip_socket netlink_socket packet_socket key_socket unix_stream_socket unix_dgram_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket } { ioctl create lock append bind sendto send_msg name_bind }

#

# { tcp_socket udp_socket rawip_socket } node_bind

#

# { tcp_socket unix_stream_socket } { connectto newconn acceptfrom }

#

# tcp_socket name_connect

#

# { netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_xfrm_socket netlink_audit_socket netlink_ip6fw_socket } nlmsg_write

#

# netlink_audit_socket { nlmsg_relay nlmsg_readpriv }

#

# netlink_kobject_uevent_socket *

#

#

# MLS policy for the ipc classes

#

# the ipc "read" ops (implicit single level)

mlsconstrain { ipc sem msgq shm } { getattr read unix_read }

	(( l1 dom l2 ) or

	 (( t1 == mlsipcreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsipcread ));

mlsconstrain msg receive

	(( l1 dom l2 ) or

	 (( t1 == mlsipcreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsipcread ));

# the ipc "write" ops (implicit single level)

mlsconstrain { ipc sem msgq shm } { create destroy setattr write unix_write }

	(( l1 eq l2 ) or

	 (( t1 == mlsipcwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsipcwrite ));

mlsconstrain msgq enqueue

	(( l1 eq l2 ) or

	 (( t1 == mlsipcwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsipcwrite ));

mlsconstrain shm lock

	(( l1 eq l2 ) or

	 (( t1 == mlsipcwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsipcwrite ));

mlsconstrain msg send

	(( l1 eq l2 ) or

	 (( t1 == mlsipcwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsipcwrite ));

# these access vectors have no MLS restrictions

# { ipc sem msgq shm } associate

#

# MLS policy for the fd class

#

# these access vectors have no MLS restrictions

# fd use

#

# MLS policy for the network object classes

#

# the netif/node "read" ops (implicit single level socket doing the read)

#                           (note the check is dominance of the low level)

mlsconstrain { node netif } { tcp_recv udp_recv rawip_recv }

	(( l1 dom l2 ) or ( t1 == mlsnetrecvall ));

# the netif/node "write" ops (implicit single level socket doing the write)

mlsconstrain { netif node } { tcp_send udp_send rawip_send }

	(( l1 dom l2 ) and ( l1 domby h2 ));

# these access vectors have no MLS restrictions

# node enforce_dest

#

# MLS policy for the process class

#

# new process labels must be dominated by the relabeling subjects clearance

# and sensitivity level changes require privilege

mlsconstrain process transition

	(( h1 dom h2 ) and

	 (( l1 eq l2 ) or ( t1 == mlsprocsetsl ) or

	  (( t1 == privrangetrans ) and ( t2 == mlsrangetrans ))));

mlsconstrain process dyntransition

	(( h1 dom h2 ) and

	 (( l1 eq l2 ) or ( t1 == mlsprocsetsl )));

# all the process "read" ops

mlsconstrain process { getsched getsession getpgid getcap getattr ptrace share }

	(( l1 dom l2 ) or

	 (( t1 == mlsprocreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsprocread ));

# all the process "write" ops (note the check is equality on the low level)

mlsconstrain process { sigkill sigstop signal setsched setpgid setcap setexec setfscreate setcurrent ptrace share }

	(( l1 eq l2 ) or

	 (( t1 == mlsprocwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsprocwrite ));

# these access vectors have no MLS restrictions

# process { fork sigchld signull noatsecure siginh setrlimit rlimitinh execmem execstack execheap }

#

# MLS policy for the security class

#

# these access vectors have no MLS restrictions

# security *

#

# MLS policy for the system class

#

# these access vectors have no MLS restrictions

# system *

#

# MLS policy for the capability class

#

# these access vectors have no MLS restrictions

# capability *

#

# MLS policy for the passwd class

#

# these access vectors have no MLS restrictions

# passwd *

#

# MLS policy for the drawable class

#

# the drawable "read" ops (implicit single level)

mlsconstrain drawable { getattr copy }

	(( l1 dom l2 ) or

	 (( t1 == mlsxwinreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsxwinread ));

# the drawable "write" ops (implicit single level)

mlsconstrain drawable { create destroy draw copy }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the gc class

#

# the gc "read" ops (implicit single level)

mlsconstrain gc getattr

	(( l1 dom l2 ) or

	 (( t1 == mlsxwinreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsxwinread ));

# the gc "write" ops (implicit single level)

mlsconstrain gc { create free setattr }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the window class

#

# the window "read" ops (implicit single level)

mlsconstrain window { listprop getattr enumerate mousemotion inputevent drawevent windowchangeevent windowchangerequest serverchangeevent extensionevent }

	(( l1 dom l2 ) or

	 (( t1 == mlsxwinreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsxwinread ));

# the window "write" ops (implicit single level)

mlsconstrain window { addchild create destroy chstack chproplist chprop setattr setfocus move chselection chparent ctrllife transparent clientcomevent }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwrite ) or

	 ( t2 == mlstrustedobject ));

# these access vectors have no MLS restrictions

# window { map unmap }

#

# MLS policy for the font class

#

# the font "read" ops (implicit single level)

mlsconstrain font { load getattr }

	(( l1 dom l2 ) or

	 (( t1 == mlsxwinreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsxwinread ));

# the font "write" ops (implicit single level)

mlsconstrain font free

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwrite ));

# these access vectors have no MLS restrictions

# font use

#

# MLS policy for the colormap class

#

# the colormap "read" ops (implicit single level)

mlsconstrain colormap { list read getattr }

	(( l1 dom l2 ) or

	 (( t1 == mlsxwinreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsxwinreadcolormap ) or

	 ( t1 == mlsxwinread ));

# the colormap "write" ops (implicit single level)

mlsconstrain colormap { create free install uninstall store setattr }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwritecolormap ) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the property class

#

# the property "read" ops (implicit single level)

mlsconstrain property { read }

	(( l1 dom l2 ) or

	 (( t1 == mlsxwinreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsxwinreadproperty ) or

	 ( t1 == mlsxwinread ));

# the property "write" ops (implicit single level)

mlsconstrain property { create free write }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwriteproperty ) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the cursor class

#

# the cursor "write" ops (implicit single level)

mlsconstrain cursor { create createglyph free assign setattr }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the xclient class

#

# the xclient "write" ops (implicit single level)

mlsconstrain xclient kill

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the xinput class

#

# these access vectors have no MLS restrictions

# xinput ~{ relabelinput setattr }

# the xinput "write" ops (implicit single level)

mlsconstrain xinput { setattr relabelinput }

	(( l1 eq l2 ) or

	 (( t1 == mlsxwinwritetoclr ) and ( h1 dom l2 ) and ( l1 domby l2 )) or

	 ( t1 == mlsxwinwritexinput ) or

	 ( t1 == mlsxwinwrite ));

#

# MLS policy for the xserver class

#

# these access vectors have no MLS restrictions

# xserver *

#

# MLS policy for the xextension class

#

# these access vectors have no MLS restrictions

# xextension { query use }

#

# MLS policy for the pax class

#

# these access vectors have no MLS restrictions

# pax { pageexec emutramp mprotect randmmap randexec segmexec }

#

# MLS policy for the dbus class

#

# these access vectors have no MLS restrictions

# dbus { acquire_svc send_msg }

#

# MLS policy for the nscd class

#

# these access vectors have no MLS restrictions

# nscd { getpwd getgrp gethost getstat admin shmempwd shmemgrp shmemhost }

#

# MLS policy for the association class

#

mlsconstrain association { recvfrom }

	((( l1 dom l2 ) and ( l1 domby h2 )) or

	 (( t1 == mlsnetreadtoclr ) and ( h1 dom l2 )) or

	 ( t1 == mlsnetread ) or

	 ( t2 == unlabeled_t ));

mlsconstrain association { sendto }

	((( l1 dom l2 ) and ( l1 domby h2 )) or

	 ( t2 == unlabeled_t ));

mlsconstrain association { polmatch }

	((( l1 dom l2 ) and ( h1 domby h2 )) or

	 ( t2 == unlabeled_t ));

') dnl end enable_mls