217 lines
6.3 KiB
Plaintext
217 lines
6.3 KiB
Plaintext
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policy_module(filesystem,1.5.2)
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########################################
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#
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# Declarations
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#
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attribute filesystem_type;
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attribute filesystem_unconfined_type;
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attribute noxattrfs;
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##############################
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#
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# fs_t is the default type for persistent
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# filesystems with extended attributes
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#
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type fs_t;
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fs_type(fs_t)
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sid fs gen_context(system_u:object_r:fs_t,s0)
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# Use xattrs for the following filesystem types.
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# Requires that a security xattr handler exist for the filesystem.
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fs_use_xattr encfs gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr ext2 gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr ext3 gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr gfs gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr gfs2 gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr jffs2 gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr jfs gen_context(system_u:object_r:fs_t,s0);
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fs_use_xattr xfs gen_context(system_u:object_r:fs_t,s0);
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# Use the allocating task SID to label inodes in the following filesystem
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# types, and label the filesystem itself with the specified context.
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# This is appropriate for pseudo filesystems that represent objects
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# like pipes and sockets, so that these objects are labeled with the same
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# type as the creating task.
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fs_use_task eventpollfs gen_context(system_u:object_r:fs_t,s0);
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fs_use_task pipefs gen_context(system_u:object_r:fs_t,s0);
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fs_use_task sockfs gen_context(system_u:object_r:fs_t,s0);
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##############################
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#
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# Non-persistent/pseudo filesystems
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#
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type bdev_t;
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fs_type(bdev_t)
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genfscon bdev / gen_context(system_u:object_r:bdev_t,s0)
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type binfmt_misc_fs_t;
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fs_type(binfmt_misc_fs_t)
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files_mountpoint(binfmt_misc_fs_t)
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genfscon binfmt_misc / gen_context(system_u:object_r:binfmt_misc_fs_t,s0)
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type capifs_t;
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fs_type(capifs_t)
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genfscon capifs / gen_context(system_u:object_r:capifs_t,s0)
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type configfs_t;
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fs_type(configfs_t)
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genfscon configfs / gen_context(system_u:object_r:configfs_t,s0)
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type eventpollfs_t;
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fs_type(eventpollfs_t)
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# change to task SID 20060628
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#genfscon eventpollfs / gen_context(system_u:object_r:eventpollfs_t,s0)
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type futexfs_t;
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fs_type(futexfs_t)
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genfscon futexfs / gen_context(system_u:object_r:futexfs_t,s0)
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type hugetlbfs_t;
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fs_type(hugetlbfs_t)
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files_mountpoint(hugetlbfs_t)
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genfscon hugetlbfs / gen_context(system_u:object_r:hugetlbfs_t,s0)
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type ibmasmfs_t;
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fs_type(ibmasmfs_t)
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allow ibmasmfs_t self:filesystem associate;
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genfscon ibmasmfs / gen_context(system_u:object_r:ibmasmfs_t,s0)
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type inotifyfs_t;
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fs_type(inotifyfs_t)
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genfscon inotifyfs / gen_context(system_u:object_r:inotifyfs_t,s0)
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type nfsd_fs_t;
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fs_type(nfsd_fs_t)
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genfscon nfsd / gen_context(system_u:object_r:nfsd_fs_t,s0)
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type oprofilefs_t;
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fs_type(oprofilefs_t)
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genfscon oprofilefs / gen_context(system_u:object_r:oprofilefs_t,s0)
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type ramfs_t;
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fs_type(ramfs_t)
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genfscon ramfs / gen_context(system_u:object_r:ramfs_t,s0)
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type romfs_t;
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fs_type(romfs_t)
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genfscon romfs / gen_context(system_u:object_r:romfs_t,s0)
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genfscon cramfs / gen_context(system_u:object_r:romfs_t,s0)
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type rpc_pipefs_t;
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fs_type(rpc_pipefs_t)
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genfscon rpc_pipefs / gen_context(system_u:object_r:rpc_pipefs_t,s0)
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files_mountpoint(rpc_pipefs_t)
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#
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# tmpfs_t is the type for tmpfs filesystems
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#
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type tmpfs_t;
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fs_type(tmpfs_t)
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files_type(tmpfs_t)
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files_mountpoint(tmpfs_t)
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# Use a transition SID based on the allocating task SID and the
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# filesystem SID to label inodes in the following filesystem types,
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# and label the filesystem itself with the specified context.
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# This is appropriate for pseudo filesystems like devpts and tmpfs
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# where we want to label objects with a derived type.
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fs_use_trans mqueue gen_context(system_u:object_r:tmpfs_t,s0);
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fs_use_trans shm gen_context(system_u:object_r:tmpfs_t,s0);
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fs_use_trans tmpfs gen_context(system_u:object_r:tmpfs_t,s0);
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allow tmpfs_t noxattrfs:filesystem associate;
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##############################
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#
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# Filesystems without extended attribute support
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#
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type autofs_t;
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fs_noxattr_type(autofs_t)
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files_mountpoint(autofs_t)
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genfscon autofs / gen_context(system_u:object_r:autofs_t,s0)
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genfscon automount / gen_context(system_u:object_r:autofs_t,s0)
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#
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# cifs_t is the type for filesystems and their
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# files shared from Windows servers
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#
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type cifs_t alias sambafs_t;
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fs_noxattr_type(cifs_t)
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files_mountpoint(cifs_t)
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genfscon cifs / gen_context(system_u:object_r:cifs_t,s0)
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genfscon smbfs / gen_context(system_u:object_r:cifs_t,s0)
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#
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# dosfs_t is the type for fat and vfat
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# filesystems and their files.
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#
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type dosfs_t;
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fs_noxattr_type(dosfs_t)
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allow dosfs_t fs_t:filesystem associate;
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genfscon fat / gen_context(system_u:object_r:dosfs_t,s0)
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genfscon msdos / gen_context(system_u:object_r:dosfs_t,s0)
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genfscon ntfs-3g / gen_context(system_u:object_r:dosfs_t,s0)
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genfscon ntfs / gen_context(system_u:object_r:dosfs_t,s0)
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genfscon vfat / gen_context(system_u:object_r:dosfs_t,s0)
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#
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# iso9660_t is the type for CD filesystems
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# and their files.
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#
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type iso9660_t;
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fs_noxattr_type(iso9660_t)
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genfscon iso9660 / gen_context(system_u:object_r:iso9660_t,s0)
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genfscon udf / gen_context(system_u:object_r:iso9660_t,s0)
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#
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# removable_t is the default type of all removable media
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#
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type removable_t;
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allow removable_t noxattrfs:filesystem associate;
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fs_noxattr_type(removable_t)
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files_type(removable_t)
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#
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# nfs_t is the default type for NFS file systems
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# and their files.
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#
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type nfs_t;
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fs_noxattr_type(nfs_t)
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files_mountpoint(nfs_t)
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genfscon nfs / gen_context(system_u:object_r:nfs_t,s0)
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genfscon nfs4 / gen_context(system_u:object_r:nfs_t,s0)
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genfscon afs / gen_context(system_u:object_r:nfs_t,s0)
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genfscon hfs / gen_context(system_u:object_r:nfs_t,s0)
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genfscon hfsplus / gen_context(system_u:object_r:nfs_t,s0)
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genfscon reiserfs / gen_context(system_u:object_r:nfs_t,s0)
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########################################
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#
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# Rules for all filesystem types
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#
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allow filesystem_type self:filesystem associate;
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########################################
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#
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# Rules for filesystems without xattr support
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#
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# Allow me to mv from one noxattrfs to another nfs_t to dosfs_t for example
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fs_associate_noxattr(noxattrfs)
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########################################
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#
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# Unconfined access to this module
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#
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allow filesystem_unconfined_type filesystem_type:filesystem *;
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# Create/access other files. fs_type is to pick up various
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# pseudo filesystem types that are applied to both the filesystem
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# and its files.
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allow filesystem_unconfined_type filesystem_type:{ dir file lnk_file sock_file fifo_file chr_file blk_file } *;
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