diff options
Diffstat (limited to 'fs/smb/server/mgmt/user_session.h')
-rw-r--r-- | fs/smb/server/mgmt/user_session.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/fs/smb/server/mgmt/user_session.h b/fs/smb/server/mgmt/user_session.h new file mode 100644 index 0000000000..63cb08fffd --- /dev/null +++ b/fs/smb/server/mgmt/user_session.h @@ -0,0 +1,104 @@ +/* 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 preauth_session { + __u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE]; + u64 id; + struct list_head preauth_entry; +}; + +struct ksmbd_session { + u64 id; + + __u16 dialect; + char ClientGUID[SMB2_CLIENT_GUID_SIZE]; + + struct ksmbd_user *user; + unsigned int sequence_number; + unsigned int flags; + + bool sign; + bool enc; + bool is_anonymous; + + int state; + __u8 *Preauth_HashValue; + + char sess_key[CIFS_KEY_SIZE]; + + struct hlist_node hlist; + struct xarray ksmbd_chann_list; + struct xarray tree_conns; + struct ida tree_conn_ida; + struct xarray rpc_handle_list; + + __u8 smb3encryptionkey[SMB3_ENC_DEC_KEY_SIZE]; + __u8 smb3decryptionkey[SMB3_ENC_DEC_KEY_SIZE]; + __u8 smb3signingkey[SMB3_SIGN_KEY_SIZE]; + + struct ksmbd_file_table file_table; + unsigned long last_active; + rwlock_t tree_conns_lock; +}; + +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); +int 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); +#endif /* __USER_SESSION_MANAGEMENT_H__ */ |