selinux-refpolicy/refpolicy/policy/modules/kernel/filesystem.te
2005-06-09 15:20:31 +00:00

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policy_module(filesystem,1.0)
attribute fs_type;
attribute noxattrfs;
########################################
#
# fs_t is the default type for persistent
# filesystems with extended attributes
#
type fs_t, fs_type;
sid fs context_template(system_u:object_r:fs_t,s0)
# Use xattrs for the following filesystem types.
# Requires that a security xattr handler exist for the filesystem.
fs_use_xattr ext2 context_template(system_u:object_r:fs_t,s0);
fs_use_xattr ext3 context_template(system_u:object_r:fs_t,s0);
fs_use_xattr jfs context_template(system_u:object_r:fs_t,s0);
fs_use_xattr xfs context_template(system_u:object_r:fs_t,s0);
# Use the allocating task SID to label inodes in the following filesystem
# types, and label the filesystem itself with the specified context.
# This is appropriate for pseudo filesystems that represent objects
# like pipes and sockets, so that these objects are labeled with the same
# type as the creating task.
fs_use_task pipefs context_template(system_u:object_r:fs_t,s0);
fs_use_task sockfs context_template(system_u:object_r:fs_t,s0);
########################################
#
# Non-persistent/pseudo filesystems
#
type bdev_t, fs_type;
genfscon bdev / context_template(system_u:object_r:bdev_t,s0)
type binfmt_misc_fs_t, fs_type;
genfscon binfmt_misc / context_template(system_u:object_r:binfmt_misc_fs_t,s0)
type eventpollfs_t, fs_type;
genfscon eventpollfs / context_template(system_u:object_r:eventpollfs_t,s0)
type futexfs_t, fs_type;
genfscon futexfs / context_template(system_u:object_r:futexfs_t,s0)
type nfsd_fs_t, fs_type;
genfscon nfsd / context_template(system_u:object_r:nfsd_fs_t,s0)
type ramfs_t, fs_type;
allow ramfs_t self:filesystem associate;
genfscon ramfs / context_template(system_u:object_r:ramfs_t,s0)
type romfs_t, fs_type;
allow romfs_t self:filesystem associate;
genfscon romfs / context_template(system_u:object_r:romfs_t,s0)
genfscon cramfs / context_template(system_u:object_r:romfs_t,s0)
type rpc_pipefs_t, fs_type;
genfscon rpc_pipefs / context_template(system_u:object_r:rpc_pipefs_t,s0)
#
# tmpfs_t is the type for tmpfs filesystems
#
type tmpfs_t, fs_type;
files_make_file(tmpfs_t)
# Use a transition SID based on the allocating task SID and the
# filesystem SID to label inodes in the following filesystem types,
# and label the filesystem itself with the specified context.
# This is appropriate for pseudo filesystems like devpts and tmpfs
# where we want to label objects with a derived type.
fs_use_trans tmpfs context_template(system_u:object_r:tmpfs_t,s0);
fs_use_trans shm context_template(system_u:object_r:tmpfs_t,s0);
allow tmpfs_t self:filesystem associate;
allow tmpfs_t noxattrfs:filesystem associate;
########################################
#
# Filesystems without extended attribute support
#
type autofs_t, fs_type, noxattrfs;
allow autofs_t self:filesystem associate;
genfscon autofs / context_template(system_u:object_r:autofs_t,s0)
genfscon automount / context_template(system_u:object_r:autofs_t,s0)
#
# cifs_t is the type for filesystems and their
# files shared from Windows servers
#
type cifs_t alias sambafs_t, fs_type, noxattrfs;
allow cifs_t self:filesystem associate;
genfscon cifs / context_template(system_u:object_r:cifs_t,s0)
genfscon smbfs / context_template(system_u:object_r:cifs_t,s0)
#
# dosfs_t is the type for fat and vfat
# filesystems and their files.
#
type dosfs_t, fs_type, noxattrfs;
allow dosfs_t self:filesystem associate;
genfscon vfat / context_template(system_u:object_r:dosfs_t,s0)
genfscon msdos / context_template(system_u:object_r:dosfs_t,s0)
genfscon fat / context_template(system_u:object_r:dosfs_t,s0)
genfscon ntfs / context_template(system_u:object_r:dosfs_t,s0)
#
# iso9660_t is the type for CD filesystems
# and their files.
#
type iso9660_t, fs_type, noxattrfs;
allow iso9660_t self:filesystem associate;
genfscon iso9660 / context_template(system_u:object_r:iso9660_t,s0)
genfscon udf / context_template(system_u:object_r:iso9660_t,s0)
#
# removable_t is the default type of all removable media
#
type removable_t, fs_type, noxattrfs;
allow removable_t noxattrfs:filesystem associate;
#
# nfs_t is the default type for NFS file systems
# and their files.
#
type nfs_t, fs_type, noxattrfs;
files_make_mountpoint(nfs_t)
allow nfs_t self:filesystem associate;
genfscon nfs / context_template(system_u:object_r:nfs_t,s0)
genfscon nfs4 / context_template(system_u:object_r:nfs_t,s0)
genfscon afs / context_template(system_u:object_r:nfs_t,s0)