linux/security/integrity
Roberto Sassu 42994ee3cd security: Introduce LSM_ORDER_LAST and set it for the integrity LSM
Introduce LSM_ORDER_LAST, to satisfy the requirement of LSMs needing to be
last, e.g. the 'integrity' LSM, without changing the kernel command line or
configuration.

Also, set this order for the 'integrity' LSM. While not enforced, this is
the only LSM expected to use it.

Similarly to LSM_ORDER_FIRST, LSMs with LSM_ORDER_LAST are always enabled
and put at the end of the LSM list, if selected in the kernel
configuration. Setting one of these orders alone, does not cause the LSMs
to be selected and compiled built-in in the kernel.

Finally, for LSM_ORDER_MUTABLE LSMs, set the found variable to true if an
LSM is found, regardless of its order. In this way, the kernel would not
wrongly report that the LSM is not built-in in the kernel if its order is
LSM_ORDER_LAST.

Fixes: 79f7865d84 ("LSM: Introduce "lsm=" for boottime LSM selection")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2023-03-10 18:31:35 -05:00
..
evm integrity-v6.3 2023-02-22 12:36:25 -08:00
ima integrity-v6.3 2023-02-22 12:36:25 -08:00
platform_certs integrity/powerpc: Support loading keys from PLPKS 2023-02-13 22:34:44 +11:00
digsig_asymmetric.c ima: fix reference leak in asymmetric_verify() 2022-01-24 18:37:36 -05:00
digsig.c integrity: Fix memory leakage in keyring allocation error path 2022-11-16 11:47:47 -05:00
iint.c security: Introduce LSM_ORDER_LAST and set it for the integrity LSM 2023-03-10 18:31:35 -05:00
integrity_audit.c integrity: check the return value of audit_log_start() 2022-02-02 11:44:23 -05:00
integrity.h ima: support fs-verity file digest based version 3 signatures 2022-05-05 17:41:51 -04:00
Kconfig integrity: Introduce a Linux keyring called machine 2022-03-08 13:55:52 +02:00
Makefile integrity: Introduce a Linux keyring called machine 2022-03-08 13:55:52 +02:00