1 files changed, 21 insertions, 4 deletions

diff --git a/Documentation/ABI/testing/ima_policy b/Documentation/ABI/testing/ima_policy
index 6cd6daefaae..98694661354 100644
--- a/Documentation/ABI/testing/ima_policy
+++ b/Documentation/ABI/testing/ima_policy
@@ -12,11 +12,14 @@ Description:
                 then closing the file.  The new policy takes effect after
                 the file ima/policy is closed.
 
+                IMA appraisal, if configured, uses these file measurements
+                for local measurement appraisal.
+
                 rule format: action [condition ...]
 
-                action: measure | dont_measure
+                action: measure | dont_measure | appraise | dont_appraise | audit
                 condition:= base | lsm
-                        base:   [[func=] [mask=] [fsmagic=] [uid=]]
+                        base:   [[func=] [mask=] [fsmagic=] [uid=] [fowner]]
                         lsm:    [[subj_user=] [subj_role=] [subj_type=]
                                  [obj_user=] [obj_role=] [obj_type=]]
 
@@ -24,36 +27,50 @@ Description:
                         mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC]
                         fsmagic:= hex value
                         uid:= decimal value
+                        fowner:=decimal value
                 lsm:    are LSM specific
 
                 default policy:
                         # PROC_SUPER_MAGIC
                         dont_measure fsmagic=0x9fa0
+                        dont_appraise fsmagic=0x9fa0
                         # SYSFS_MAGIC
                         dont_measure fsmagic=0x62656572
+                        dont_appraise fsmagic=0x62656572
                         # DEBUGFS_MAGIC
                         dont_measure fsmagic=0x64626720
+                        dont_appraise fsmagic=0x64626720
                         # TMPFS_MAGIC
                         dont_measure fsmagic=0x01021994
+                        dont_appraise fsmagic=0x01021994
+                        # RAMFS_MAGIC
+                        dont_measure fsmagic=0x858458f6
+                        dont_appraise fsmagic=0x858458f6
                         # SECURITYFS_MAGIC
                         dont_measure fsmagic=0x73636673
+                        dont_appraise fsmagic=0x73636673
 
                         measure func=BPRM_CHECK
                         measure func=FILE_MMAP mask=MAY_EXEC
                         measure func=FILE_CHECK mask=MAY_READ uid=0
+                        appraise fowner=0
 
                 The default policy measures all executables in bprm_check,
                 all files mmapped executable in file_mmap, and all files
-                open for read by root in do_filp_open.
+                open for read by root in do_filp_open.  The default appraisal
+                policy appraises all files owned by root.
 
                 Examples of LSM specific definitions:
 
                 SELinux:
                         # SELINUX_MAGIC
-                        dont_measure fsmagic=0xF97CFF8C
+                        dont_measure fsmagic=0xf97cff8c
+                        dont_appraise fsmagic=0xf97cff8c
 
                         dont_measure obj_type=var_log_t
+                        dont_appraise obj_type=var_log_t
                         dont_measure obj_type=auditd_log_t
+                        dont_appraise obj_type=auditd_log_t
                         measure subj_user=system_u func=FILE_CHECK mask=MAY_READ
                         measure subj_role=system_r func=FILE_CHECK mask=MAY_READ