diff options
Diffstat (limited to 'mls')
-rw-r--r-- | mls | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -78,12 +78,13 @@ mlsconstrain { file lnk_file sock_file chr_file blk_file } { write setattr appen # Special case for FIFOs. # These can be unnamed pipes, in which case they will be labeled with the # creating process' label. Thus we also have an exemption when the "object" -# is a MLS trusted subject and can receive data at any level. +# is a domain type, so that processes can communicate via unnamed pipes +# passed by binder or local socket IPC. mlsconstrain fifo_file { read getattr } - (l1 dom l2 or t1 == mlstrustedsubject or t2 == mlstrustedobject or t2 == mlstrustedsubject); + (l1 dom l2 or t1 == mlstrustedsubject or t2 == mlstrustedobject or t2 == domain); mlsconstrain fifo_file { write setattr append unlink link rename } - (l1 domby l2 or t1 == mlstrustedsubject or t2 == mlstrustedobject or t2 == mlstrustedsubject); + (l1 domby l2 or t1 == mlstrustedsubject or t2 == mlstrustedobject or t2 == domain); # # IPC constraints |