1 files changed, 48 insertions, 39 deletions

diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c
index 8c93fa8d81bc..77b5519bc45f 100644
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/ceph/ceph_debug.h>
 
@@ -16,7 +17,6 @@ static void reset(struct ceph_auth_client *ac)
 	struct ceph_auth_none_info *xi = ac->private;
 
 	xi->starting = true;
-	xi->built_authorizer = false;
 }
 
 static void destroy(struct ceph_auth_client *ac)
@@ -39,6 +39,27 @@ static int should_authenticate(struct ceph_auth_client *ac)
 	return xi->starting;
 }
 
+static int ceph_auth_none_build_authorizer(struct ceph_auth_client *ac,
+					   struct ceph_none_authorizer *au)
+{
+	void *p = au->buf;
+	void *const end = p + sizeof(au->buf);
+	int ret;
+
+	ceph_encode_8_safe(&p, end, 1, e_range);
+	ret = ceph_auth_entity_name_encode(ac->name, &p, end);
+	if (ret < 0)
+		return ret;
+
+	ceph_encode_64_safe(&p, end, ac->global_id, e_range);
+	au->buf_len = p - (void *)au->buf;
+	dout("%s built authorizer len %d\n", __func__, au->buf_len);
+	return 0;
+
+e_range:
+	return -ERANGE;
+}
+
 static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
 {
 	return 0;
@@ -48,65 +69,56 @@ static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
  * the generic auth code decode the global_id, and we carry no actual
  * authenticate state, so nothing happens here.
  */
-static int handle_reply(struct ceph_auth_client *ac, int result,
-			void *buf, void *end)
+static int handle_reply(struct ceph_auth_client *ac, u64 global_id,
+			void *buf, void *end, u8 *session_key,
+			int *session_key_len, u8 *con_secret,
+			int *con_secret_len)
 {
 	struct ceph_auth_none_info *xi = ac->private;
 
 	xi->starting = false;
-	return result;
+	ceph_auth_set_global_id(ac, global_id);
+	return 0;
+}
+
+static void ceph_auth_none_destroy_authorizer(struct ceph_authorizer *a)
+{
+	kfree(a);
 }
 
 /*
- * build an 'authorizer' with our entity_name and global_id.  we can
- * reuse a single static copy since it is identical for all services
- * we connect to.
+ * build an 'authorizer' with our entity_name and global_id.  it is
+ * identical for all services we connect to.
  */
 static int ceph_auth_none_create_authorizer(
 	struct ceph_auth_client *ac, int peer_type,
 	struct ceph_auth_handshake *auth)
 {
-	struct ceph_auth_none_info *ai = ac->private;
-	struct ceph_none_authorizer *au = &ai->au;
-	void *p, *end;
+	struct ceph_none_authorizer *au;
 	int ret;
 
-	if (!ai->built_authorizer) {
-		p = au->buf;
-		end = p + sizeof(au->buf);
-		ceph_encode_8(&p, 1);
-		ret = ceph_entity_name_encode(ac->name, &p, end - 8);
-		if (ret < 0)
-			goto bad;
-		ceph_decode_need(&p, end, sizeof(u64), bad2);
-		ceph_encode_64(&p, ac->global_id);
-		au->buf_len = p - (void *)au->buf;
-		ai->built_authorizer = true;
-		dout("built authorizer len %d\n", au->buf_len);
+	au = kmalloc(sizeof(*au), GFP_NOFS);
+	if (!au)
+		return -ENOMEM;
+
+	au->base.destroy = ceph_auth_none_destroy_authorizer;
+
+	ret = ceph_auth_none_build_authorizer(ac, au);
+	if (ret) {
+		kfree(au);
+		return ret;
 	}
 
 	auth->authorizer = (struct ceph_authorizer *) au;
 	auth->authorizer_buf = au->buf;
 	auth->authorizer_buf_len = au->buf_len;
-	auth->authorizer_reply_buf = au->reply_buf;
-	auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
+	auth->authorizer_reply_buf = NULL;
+	auth->authorizer_reply_buf_len = 0;
 
 	return 0;
-
-bad2:
-	ret = -ERANGE;
-bad:
-	return ret;
-}
-
-static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
-				      struct ceph_authorizer *a)
-{
-	/* nothing to do */
 }
 
 static const struct ceph_auth_client_ops ceph_auth_none_ops = {
-	.name = "none",
 	.reset = reset,
 	.destroy = destroy,
 	.is_authenticated = is_authenticated,
@@ -114,7 +126,6 @@ static const struct ceph_auth_client_ops ceph_auth_none_ops = {
 	.build_request = build_request,
 	.handle_reply = handle_reply,
 	.create_authorizer = ceph_auth_none_create_authorizer,
-	.destroy_authorizer = ceph_auth_none_destroy_authorizer,
 };
 
 int ceph_auth_none_init(struct ceph_auth_client *ac)
@@ -127,11 +138,9 @@ int ceph_auth_none_init(struct ceph_auth_client *ac)
 		return -ENOMEM;
 
 	xi->starting = true;
-	xi->built_authorizer = false;
 
 	ac->protocol = CEPH_AUTH_NONE;
 	ac->private = xi;
 	ac->ops = &ceph_auth_none_ops;
 	return 0;
 }
-