diff options
author | Chris PeBenito <chpebeni@linux.microsoft.com> | 2022-06-23 15:29:50 -0400 |
---|---|---|
committer | Jason Zaman <perfinion@gentoo.org> | 2022-09-03 11:41:55 -0700 |
commit | 2de290b85e9d1c50e4e6f076a16fc803dfab4adc (patch) | |
tree | 53304e35ed96a1217405ef3852f4c58db7b8b63d | |
parent | mcs: Remove duplicate node_bind constraint. (diff) | |
download | hardened-refpolicy-2de290b85e9d1c50e4e6f076a16fc803dfab4adc.tar.gz hardened-refpolicy-2de290b85e9d1c50e4e6f076a16fc803dfab4adc.tar.bz2 hardened-refpolicy-2de290b85e9d1c50e4e6f076a16fc803dfab4adc.zip |
mcs: Reorganize file.
Add more comments.
Signed-off-by: Chris PeBenito <chpebeni@linux.microsoft.com>
Signed-off-by: Jason Zaman <perfinion@gentoo.org>
-rw-r--r-- | policy/mcs | 53 |
1 files changed, 36 insertions, 17 deletions
@@ -82,10 +82,15 @@ mlsconstrain { file lnk_file fifo_file } { create relabelto } ((( h1 dom h2 ) and ( l2 eq h2 )) or ( t1 != mcs_constrained_type )); - +# +# MCS policy for process classes +# mlsconstrain process { transition dyntransition ptrace sigkill sigstop signal getsession getattr getsched setsched getrlimit setrlimit getpgid setpgid getcap setcap share setexec setfscreate setcurrent setsockcreate } (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); +# +# MCS policy for socket classes +# mlsconstrain socket_class_set { create ioctl read write setattr append bind connect getopt setopt shutdown } (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); @@ -101,9 +106,16 @@ mlsconstrain unix_stream_socket connectto mlsconstrain unix_dgram_socket sendto (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); + +# +# MCS policy for key class +# mlsconstrain key { create link read search setattr view write } (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); +# +# MCS policy for SysV IPC +# mlsconstrain { ipc sem msgq shm } { create destroy setattr read unix_read write unix_write } (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); @@ -116,10 +128,33 @@ mlsconstrain msgq enqueue mlsconstrain shm lock (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); +# +# MCS policy for context class +# mlsconstrain context contains ((( h1 dom h2 ) and ( l1 domby l2 )) or ( t1 != mcs_constrained_type )); # +# MCS policy for network classes +# + +# The node recvfrom/sendto ops, the recvfrom permission is a "write" operation +# because the subject in this particular case is the remote domain which is +# writing data out the network node which is acting as the object +mlsconstrain { node } { recvfrom sendto } + (( l1 dom l2 ) or ( t1 != mcs_constrained_type )); + +mlsconstrain { packet peer } { recv } + (( l1 dom l2 ) or + (( t1 != mcs_constrained_type ) and ( t2 != mcs_constrained_type ))); + +# The netif ingress/egress ops, the ingress permission is a "write" operation +# because the subject in this particular case is the remote domain which is +# writing data out the network interface which is acting as the object +mlsconstrain { netif } { egress ingress } + (( l1 dom l2 ) or ( t1 != mcs_constrained_type )); + +# # MCS policy for SELinux-enabled databases # @@ -162,20 +197,4 @@ mlsconstrain db_language { drop getattr setattr relabelfrom execute } mlsconstrain db_blob { drop getattr setattr relabelfrom read write import export } (( h1 dom h2 ) or ( t1 != mcs_constrained_type )); -# The node recvfrom/sendto ops, the recvfrom permission is a "write" operation -# because the subject in this particular case is the remote domain which is -# writing data out the network node which is acting as the object -mlsconstrain { node } { recvfrom sendto } - (( l1 dom l2 ) or ( t1 != mcs_constrained_type )); - -mlsconstrain { packet peer } { recv } - (( l1 dom l2 ) or - (( t1 != mcs_constrained_type ) and ( t2 != mcs_constrained_type ))); - -# The netif ingress/egress ops, the ingress permission is a "write" operation -# because the subject in this particular case is the remote domain which is -# writing data out the network interface which is acting as the object -mlsconstrain { netif } { egress ingress } - (( l1 dom l2 ) or ( t1 != mcs_constrained_type )); - ') dnl end enable_mcs |