Thanks Mimi for your overall feedback on this series.
Really appreciate it.
On 2020-10-22 12:39 p.m., Mimi Zohar wrote:
Hi Tushar,
On Wed, 2020-09-23 at 12:20 -0700, Tushar Sugandhi wrote:
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index fe1df373c113..31a772d8a86b 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -451,15 +451,19 @@ int ima_lsm_policy_change(struct notifier_block *nb, unsigned long event,
}
/**
- * ima_match_keyring - determine whether the keyring matches the measure rule
- * @rule: a pointer to a rule
- * @keyring: name of the keyring to match against the measure rule
+ * ima_match_rule_data - determine whether the given func_data matches
+ * the measure rule data
+ * @rule: IMA policy rule
+ * @opt_list: rule data to match func_data against
+ * @func_data: data to match against the measure rule data
* @cred: a pointer to a credentials structure for user validation
*
- * Returns true if keyring matches one in the rule, false otherwise.
+ * Returns true if func_data matches one in the rule, false otherwise.
*/
-static bool ima_match_keyring(struct ima_rule_entry *rule,
- const char *keyring, const struct cred *cred)
+static bool ima_match_rule_data(struct ima_rule_entry *rule,
+ const struct ima_rule_opt_list *opt_list,
+ const char *func_data,
+ const struct cred *cred)
{
bool matched = false;
size_t i;
@@ -467,14 +471,14 @@ static bool ima_match_keyring(struct ima_rule_entry *rule,
if ((rule->flags & IMA_UID) && !rule->uid_op(cred->uid, rule->uid))
return false;
- if (!rule->keyrings)
+ if (!opt_list)
return true;
The opt_list should be based on rule->func. There shouldn't be a need
to pass it as a variable.
Mimi
Makes sense. Will do. Thanks Mimi.
~Tushar
- if (!keyring)
+ if (!func_data)
return false;
- for (i = 0; i < rule->keyrings->count; i++) {
- if (!strcmp(rule->keyrings->items[i], keyring)) {
+ for (i = 0; i < opt_list->count; i++) {
+ if (!strcmp(opt_list->items[i], func_data)) {
matched = true;
break;
}
--
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