xref: /linux/fs/smb/server/server.h (revision 83684c4e4d62cb02b2e4d0d18963d1035439278e)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
4  */
5 
6 #ifndef __SERVER_H__
7 #define __SERVER_H__
8 
9 #include "smbacl.h"
10 
11 /*
12  * Server state type
13  */
14 enum {
15 	SERVER_STATE_STARTING_UP,
16 	SERVER_STATE_RUNNING,
17 	SERVER_STATE_RESETTING,
18 	SERVER_STATE_SHUTTING_DOWN,
19 };
20 
21 /*
22  * Server global config string index
23  */
24 enum {
25 	SERVER_CONF_NETBIOS_NAME,
26 	SERVER_CONF_SERVER_STRING,
27 	SERVER_CONF_WORK_GROUP,
28 };
29 
30 struct ksmbd_server_config {
31 	unsigned int		flags;
32 	unsigned int		state;
33 	short			signing;
34 	short			enforced_signing;
35 	short			min_protocol;
36 	short			max_protocol;
37 	unsigned short		tcp_port;
38 	unsigned short		ipc_timeout;
39 	unsigned long		ipc_last_active;
40 	unsigned long		deadtime;
41 	unsigned int		share_fake_fscaps;
42 	struct smb_sid		domain_sid;
43 	unsigned int		auth_mechs;
44 	unsigned int		max_connections;
45 	unsigned int		max_inflight_req;
46 	unsigned int		max_ip_connections;
47 
48 	char			*conf[SERVER_CONF_WORK_GROUP + 1];
49 	struct task_struct	*dh_task;
50 	bool			bind_interfaces_only;
51 	/* AAPL model string for Finder icon, e.g. "Xserve" */
52 	char			aapl_model[32];
53 };
54 
55 extern struct ksmbd_server_config server_conf;
56 
57 int ksmbd_set_netbios_name(char *v);
58 int ksmbd_set_server_string(char *v);
59 int ksmbd_set_work_group(char *v);
60 
61 char *ksmbd_netbios_name(void);
62 char *ksmbd_server_string(void);
63 char *ksmbd_work_group(void);
64 
65 static inline int ksmbd_server_running(void)
66 {
67 	return READ_ONCE(server_conf.state) == SERVER_STATE_RUNNING;
68 }
69 
70 static inline int ksmbd_server_configurable(void)
71 {
72 	return READ_ONCE(server_conf.state) < SERVER_STATE_RESETTING;
73 }
74 
75 int server_queue_ctrl_init_work(void);
76 int server_queue_ctrl_reset_work(void);
77 #endif /* __SERVER_H__ */
78