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ima: Log the same audit cause whenever a file has no signature

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If the file doesn't have an xattr, ima_appraise_measurement sets cause to
"missing-hash" while if there's an xattr but it's a digest instead of a
signature it sets cause to "IMA-signature-required".

Fix it by setting cause to "IMA-signature-required" in both cases.

Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
This commit is contained in:
Thiago Jung Bauermann 2017-06-07 22:49:12 -03:00 committed by Mimi Zohar
parent 2663218ba6
commit 915d9d255d
1 changed files with 2 additions and 1 deletions
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3
security/integrity/ima/ima_appraise.c
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@ -217,7 +217,8 @@ int ima_appraise_measurement(enum ima_hooks func,
if (rc && rc != -ENODATA)
goto out;
cause = "missing-hash";
cause = iint->flags & IMA_DIGSIG_REQUIRED ?
"IMA-signature-required" : "missing-hash";
status = INTEGRITY_NOLABEL;
if (opened & FILE_CREATED)
iint->flags |= IMA_NEW_FILE;