summaryrefslogtreecommitdiffstats
path: root/fs/ksmbd/mgmt/user_session.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ksmbd/mgmt/user_session.h')
-rw-r--r--fs/ksmbd/mgmt/user_session.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/fs/ksmbd/mgmt/user_session.h b/fs/ksmbd/mgmt/user_session.h
new file mode 100644
index 000000000000..82289c3cbd2b
--- /dev/null
+++ b/fs/ksmbd/mgmt/user_session.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ */
+
+#ifndef __USER_SESSION_MANAGEMENT_H__
+#define __USER_SESSION_MANAGEMENT_H__
+
+#include <linux/hashtable.h>
+#include <linux/xarray.h>
+
+#include "../smb_common.h"
+#include "../ntlmssp.h"
+
+#define CIFDS_SESSION_FLAG_SMB2 BIT(1)
+
+#define PREAUTH_HASHVALUE_SIZE 64
+
+struct ksmbd_file_table;
+
+struct channel {
+ __u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
+ struct ksmbd_conn *conn;
+ struct list_head chann_list;
+};
+
+struct preauth_session {
+ __u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE];
+ u64 id;
+ struct list_head preauth_entry;
+};
+
+struct ksmbd_session {
+ u64 id;
+
+ struct ksmbd_user *user;
+ struct ksmbd_conn *conn;
+ unsigned int sequence_number;
+ unsigned int flags;
+
+ bool sign;
+ bool enc;
+ bool is_anonymous;
+
+ int state;
+ __u8 *Preauth_HashValue;
+
+ struct ntlmssp_auth ntlmssp;
+ char sess_key[CIFS_KEY_SIZE];
+
+ struct hlist_node hlist;
+ struct list_head ksmbd_chann_list;
+ struct xarray tree_conns;
+ struct ida tree_conn_ida;
+ struct list_head rpc_handle_list;
+
+ __u8 smb3encryptionkey[SMB3_ENC_DEC_KEY_SIZE];
+ __u8 smb3decryptionkey[SMB3_ENC_DEC_KEY_SIZE];
+ __u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
+
+ struct list_head sessions_entry;
+ struct ksmbd_file_table file_table;
+ atomic_t refcnt;
+};
+
+static inline int test_session_flag(struct ksmbd_session *sess, int bit)
+{
+ return sess->flags & bit;
+}
+
+static inline void set_session_flag(struct ksmbd_session *sess, int bit)
+{
+ sess->flags |= bit;
+}
+
+static inline void clear_session_flag(struct ksmbd_session *sess, int bit)
+{
+ sess->flags &= ~bit;
+}
+
+struct ksmbd_session *ksmbd_smb2_session_create(void);
+
+void ksmbd_session_destroy(struct ksmbd_session *sess);
+
+struct ksmbd_session *ksmbd_session_lookup_slowpath(unsigned long long id);
+struct ksmbd_session *ksmbd_session_lookup(struct ksmbd_conn *conn,
+ unsigned long long id);
+void ksmbd_session_register(struct ksmbd_conn *conn,
+ struct ksmbd_session *sess);
+void ksmbd_sessions_deregister(struct ksmbd_conn *conn);
+struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn,
+ unsigned long long id);
+struct preauth_session *ksmbd_preauth_session_alloc(struct ksmbd_conn *conn,
+ u64 sess_id);
+struct preauth_session *ksmbd_preauth_session_lookup(struct ksmbd_conn *conn,
+ unsigned long long id);
+
+int ksmbd_acquire_tree_conn_id(struct ksmbd_session *sess);
+void ksmbd_release_tree_conn_id(struct ksmbd_session *sess, int id);
+
+int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name);
+void ksmbd_session_rpc_close(struct ksmbd_session *sess, int id);
+int ksmbd_session_rpc_method(struct ksmbd_session *sess, int id);
+int get_session(struct ksmbd_session *sess);
+void put_session(struct ksmbd_session *sess);
+#endif /* __USER_SESSION_MANAGEMENT_H__ */