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Diffstat (limited to 'Documentation/ABI/testing/ima_policy')
| -rw-r--r-- | Documentation/ABI/testing/ima_policy | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/Documentation/ABI/testing/ima_policy b/Documentation/ABI/testing/ima_policy deleted file mode 100644 index 6cd6dae..0000000 --- a/Documentation/ABI/testing/ima_policy +++ /dev/null @@ -1,61 +0,0 @@ -What: security/ima/policy -Date: May 2008 -Contact: Mimi Zohar <zohar@us.ibm.com> -Description: - The Trusted Computing Group(TCG) runtime Integrity - Measurement Architecture(IMA) maintains a list of hash - values of executables and other sensitive system files - loaded into the run-time of this system. At runtime, - the policy can be constrained based on LSM specific data. - Policies are loaded into the securityfs file ima/policy - by opening the file, writing the rules one at a time and - then closing the file. The new policy takes effect after - the file ima/policy is closed. - - rule format: action [condition ...] - - action: measure | dont_measure - condition:= base | lsm - base: [[func=] [mask=] [fsmagic=] [uid=]] - lsm: [[subj_user=] [subj_role=] [subj_type=] - [obj_user=] [obj_role=] [obj_type=]] - - base: func:= [BPRM_CHECK][FILE_MMAP][FILE_CHECK] - mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC] - fsmagic:= hex value - uid:= decimal value - lsm: are LSM specific - - default policy: - # PROC_SUPER_MAGIC - dont_measure fsmagic=0x9fa0 - # SYSFS_MAGIC - dont_measure fsmagic=0x62656572 - # DEBUGFS_MAGIC - dont_measure fsmagic=0x64626720 - # TMPFS_MAGIC - dont_measure fsmagic=0x01021994 - # SECURITYFS_MAGIC - dont_measure fsmagic=0x73636673 - - measure func=BPRM_CHECK - measure func=FILE_MMAP mask=MAY_EXEC - measure func=FILE_CHECK mask=MAY_READ uid=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. - - Examples of LSM specific definitions: - - SELinux: - # SELINUX_MAGIC - dont_measure fsmagic=0xF97CFF8C - - dont_measure obj_type=var_log_t - dont_measure 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 - - Smack: - measure subj_user=_ func=FILE_CHECK mask=MAY_READ |