105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2018 Samsung Electronics Co., Ltd.
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*/
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#ifndef __USER_SESSION_MANAGEMENT_H__
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#define __USER_SESSION_MANAGEMENT_H__
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#include <linux/hashtable.h>
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#include <linux/xarray.h>
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#include "../smb_common.h"
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#include "../ntlmssp.h"
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#define CIFDS_SESSION_FLAG_SMB2 BIT(1)
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#define PREAUTH_HASHVALUE_SIZE 64
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struct ksmbd_file_table;
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struct channel {
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__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
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struct ksmbd_conn *conn;
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};
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struct preauth_session {
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__u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE];
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u64 id;
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struct list_head preauth_entry;
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};
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struct ksmbd_session {
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u64 id;
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__u16 dialect;
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char ClientGUID[SMB2_CLIENT_GUID_SIZE];
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struct ksmbd_user *user;
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unsigned int sequence_number;
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unsigned int flags;
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bool sign;
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bool enc;
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bool is_anonymous;
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int state;
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__u8 *Preauth_HashValue;
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char sess_key[CIFS_KEY_SIZE];
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struct hlist_node hlist;
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struct xarray ksmbd_chann_list;
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struct xarray tree_conns;
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struct ida tree_conn_ida;
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struct xarray rpc_handle_list;
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__u8 smb3encryptionkey[SMB3_ENC_DEC_KEY_SIZE];
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__u8 smb3decryptionkey[SMB3_ENC_DEC_KEY_SIZE];
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__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
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struct ksmbd_file_table file_table;
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unsigned long last_active;
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rwlock_t tree_conns_lock;
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};
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static inline int test_session_flag(struct ksmbd_session *sess, int bit)
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{
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return sess->flags & bit;
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}
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static inline void set_session_flag(struct ksmbd_session *sess, int bit)
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{
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sess->flags |= bit;
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}
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static inline void clear_session_flag(struct ksmbd_session *sess, int bit)
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{
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sess->flags &= ~bit;
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}
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struct ksmbd_session *ksmbd_smb2_session_create(void);
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void ksmbd_session_destroy(struct ksmbd_session *sess);
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struct ksmbd_session *ksmbd_session_lookup_slowpath(unsigned long long id);
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struct ksmbd_session *ksmbd_session_lookup(struct ksmbd_conn *conn,
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unsigned long long id);
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int ksmbd_session_register(struct ksmbd_conn *conn,
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struct ksmbd_session *sess);
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void ksmbd_sessions_deregister(struct ksmbd_conn *conn);
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struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn,
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unsigned long long id);
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struct preauth_session *ksmbd_preauth_session_alloc(struct ksmbd_conn *conn,
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u64 sess_id);
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struct preauth_session *ksmbd_preauth_session_lookup(struct ksmbd_conn *conn,
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unsigned long long id);
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int ksmbd_acquire_tree_conn_id(struct ksmbd_session *sess);
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void ksmbd_release_tree_conn_id(struct ksmbd_session *sess, int id);
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int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name);
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void ksmbd_session_rpc_close(struct ksmbd_session *sess, int id);
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int ksmbd_session_rpc_method(struct ksmbd_session *sess, int id);
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#endif /* __USER_SESSION_MANAGEMENT_H__ */
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