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-rw-r--r--security/integrity/ima/ima_appraise.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 5d0785cfe063..809ba70fbbbf 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -20,18 +20,30 @@
static int __init default_appraise_setup(char *str)
{
+#ifdef CONFIG_IMA_APPRAISE_BOOTPARAM
if (strncmp(str, "off", 3) == 0)
ima_appraise = 0;
else if (strncmp(str, "log", 3) == 0)
ima_appraise = IMA_APPRAISE_LOG;
else if (strncmp(str, "fix", 3) == 0)
ima_appraise = IMA_APPRAISE_FIX;
+#endif
return 1;
}
__setup("ima_appraise=", default_appraise_setup);
/*
+ * is_ima_appraise_enabled - return appraise status
+ *
+ * Only return enabled, if not in ima_appraise="fix" or "log" modes.
+ */
+bool is_ima_appraise_enabled(void)
+{
+ return (ima_appraise & IMA_APPRAISE_ENFORCE) ? 1 : 0;
+}
+
+/*
* ima_must_appraise - set appraise flag
*
* Return 1 to appraise
@@ -205,7 +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;
@@ -228,6 +241,7 @@ int ima_appraise_measurement(enum ima_hooks func,
case IMA_XATTR_DIGEST_NG:
/* first byte contains algorithm id */
hash_start = 1;
+ /* fall through */
case IMA_XATTR_DIGEST:
if (iint->flags & IMA_DIGSIG_REQUIRED) {
cause = "IMA-signature-required";