Require the IMA policy to be signed when additional rules can be added.
Signed-off-by: Mimi Zohar <[email protected]>
---
security/integrity/ima/ima_policy.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/security/integrity/ima/ima_policy.c
b/security/integrity/ima/ima_policy.c
index 87614a6..6248ae23 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -131,6 +131,10 @@ static struct ima_rule_entry default_appraise_rules[] = {
{.action = DONT_APPRAISE, .fsmagic = SELINUX_MAGIC, .flags =
IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = CGROUP_SUPER_MAGIC, .flags =
IMA_FSMAGIC},
+#ifdef CONFIG_IMA_WRITE_POLICY
+ {.action = APPRAISE, .read_func = POLICY_CHECK,
+ .flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
+#endif
#ifndef CONFIG_IMA_APPRAISE_SIGNED_INIT
{.action = APPRAISE, .fowner = GLOBAL_ROOT_UID, .flags = IMA_FOWNER},
#else
--
2.1.0
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