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-rw-r--r--security/integrity/evm/evm_main.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index cdbde1762189..df0fa451a871 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/crypto.h>
+#include <linux/audit.h>
#include <linux/xattr.h>
#include <linux/integrity.h>
#include <linux/evm.h>
@@ -24,6 +25,9 @@
int evm_initialized;
+static char *integrity_status_msg[] = {
+ "pass", "fail", "no_label", "no_xattrs", "unknown"
+};
char *evm_hmac = "hmac(sha1)";
char *evm_hash = "sha1";
int evm_hmac_version = CONFIG_EVM_HMAC_VERSION;
@@ -262,9 +266,15 @@ static int evm_protect_xattr(struct dentry *dentry, const char *xattr_name,
if ((evm_status == INTEGRITY_PASS) ||
(evm_status == INTEGRITY_NOXATTRS))
return 0;
- return -EPERM;
+ goto out;
}
evm_status = evm_verify_current_integrity(dentry);
+out:
+ if (evm_status != INTEGRITY_PASS)
+ integrity_audit_msg(AUDIT_INTEGRITY_METADATA, dentry->d_inode,
+ dentry->d_name.name, "appraise_metadata",
+ integrity_status_msg[evm_status],
+ -EPERM, 0);
return evm_status == INTEGRITY_PASS ? 0 : -EPERM;
}
@@ -357,6 +367,9 @@ int evm_inode_setattr(struct dentry *dentry, struct iattr *attr)
if ((evm_status == INTEGRITY_PASS) ||
(evm_status == INTEGRITY_NOXATTRS))
return 0;
+ integrity_audit_msg(AUDIT_INTEGRITY_METADATA, dentry->d_inode,
+ dentry->d_name.name, "appraise_metadata",
+ integrity_status_msg[evm_status], -EPERM, 0);
return -EPERM;
}