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-rw-r--r--security/selinux/hooks.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 047365ac9faa..838d1e5e63a1 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5300,6 +5300,20 @@ static int selinux_key_permission(key_ref_t key_ref,
SECCLASS_KEY, perm, NULL);
}
+static int selinux_key_getsecurity(struct key *key, char **_buffer)
+{
+ struct key_security_struct *ksec = key->security;
+ char *context = NULL;
+ unsigned len;
+ int rc;
+
+ rc = security_sid_to_context(ksec->sid, &context, &len);
+ if (!rc)
+ rc = len;
+ *_buffer = context;
+ return rc;
+}
+
#endif
static struct security_operations selinux_ops = {
@@ -5488,6 +5502,7 @@ static struct security_operations selinux_ops = {
.key_alloc = selinux_key_alloc,
.key_free = selinux_key_free,
.key_permission = selinux_key_permission,
+ .key_getsecurity = selinux_key_getsecurity,
#endif
#ifdef CONFIG_AUDIT