Re: [PATCH v3 21/25] ima: Move to LSM infrastructure

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On 9/4/23 09:40, Roberto Sassu wrote:
From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>

Remove hardcoded IMA function calls (not for appraisal) from the LSM
infrastructure, the VFS, NFS and the key subsystem.

Make those functions as static (except for ima_file_check() which is
exported, and ima_post_key_create_or_update(), which is not in ima_main.c),
and register them as implementation of the respective hooks in the new
function init_ima_lsm().

Call init_ima_lsm() from integrity_lsm_init() (renamed from
integrity_iintcache_init()), to make sure that the integrity subsystem is
ready at the time IMA hooks are registered. The same will be done for EVM,
by calling init_evm_lsm() just after init_ima_lsm().

Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Acked-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Reviewed-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>

index 6e4d060ff378..58591b5cbdb4 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -16,26 +16,7 @@ struct linux_binprm;
#ifdef CONFIG_IMA
  extern enum hash_algo ima_get_current_hash_algo(void);
-extern int ima_bprm_check(struct linux_binprm *bprm);
  extern int ima_file_check(struct file *file, int mask);

From what I saw ima_file_check doesn't need to be public anymore, either.

   Stefan





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