ima: audit log hashes

[platform/adaptation/renesas_rcar/renesas_kernel.git] / Documentation / ABI / testing / ima_policy

diff --git a/Documentation/ABI/testing/ima_policy b/Documentation/ABI/testing/ima_policy
index 6cd6dae..9869466 100644 (file)
--- 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