1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2000-2001 Boris Popov
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#ifndef _NETSMB_SMB_RQ_H_
29#define	_NETSMB_SMB_RQ_H_
30
31#ifndef MB_MSYSTEM
32#include <sys/mchain.h>
33#endif
34
35#define	SMBR_ALLOCED		0x0001	/* structure was malloced */
36#define	SMBR_SENT		0x0002	/* request successfully transmitted */
37#define	SMBR_REXMIT		0x0004	/* request should be retransmitted */
38#define	SMBR_INTR		0x0008	/* request interrupted */
39#define	SMBR_RESTART		0x0010	/* request should be repeated if possible */
40#define	SMBR_NORESTART		0x0020	/* request is not restartable */
41#define	SMBR_MULTIPACKET	0x0040	/* multiple packets can be sent and received */
42#define	SMBR_INTERNAL		0x0080	/* request is internal to smbrqd */
43#define	SMBR_XLOCK		0x0100	/* request locked and can't be moved */
44#define	SMBR_XLOCKWANT		0x0200	/* waiter on XLOCK */
45
46#define SMBT2_ALLSENT		0x0001	/* all data and params are sent */
47#define SMBT2_ALLRECV		0x0002	/* all data and params are received */
48#define	SMBT2_ALLOCED		0x0004
49#define	SMBT2_RESTART		0x0008
50#define	SMBT2_NORESTART		0x0010
51#define	SMBT2_SECONDARY		0x0020	/* secondary request */
52
53#define SMBRQ_SLOCK(rqp)	smb_sl_lock(&(rqp)->sr_slock)
54#define SMBRQ_SUNLOCK(rqp)	smb_sl_unlock(&(rqp)->sr_slock)
55#define SMBRQ_SLOCKPTR(rqp)	(&(rqp)->sr_slock)
56
57enum smbrq_state {
58	SMBRQ_NOTSENT,		/* rq have data to send */
59	SMBRQ_SENT,		/* send procedure completed */
60	SMBRQ_REPLYRECEIVED,
61	SMBRQ_NOTIFIED		/* owner notified about completion */
62};
63
64struct smb_vc;
65struct smb_t2rq;
66
67struct smb_rq {
68	enum smbrq_state	sr_state;
69	struct smb_vc * 	sr_vc;
70	struct smb_share*	sr_share;
71	u_short			sr_mid;
72	u_int32_t		sr_seqno;
73	u_int32_t		sr_rseqno;
74	struct mbchain		sr_rq;
75	u_int8_t		sr_rqflags;
76	u_int16_t		sr_rqflags2;
77	u_char *		sr_wcount;
78	void *			sr_bcount;	/* Points to 2-byte buffer. */
79	struct mdchain		sr_rp;
80	int			sr_rpgen;
81	int			sr_rplast;
82	int			sr_flags;	/* SMBR_* */
83	int			sr_rpsize;
84	struct smb_cred *	sr_cred;
85	int			sr_timo;
86	int			sr_rexmit;
87	int			sr_sendcnt;
88	struct timespec 	sr_timesent;
89	int			sr_lerror;
90	u_int8_t *		sr_rqsig;
91	void *			sr_rqtid;	/* Points to 2-byte buffer. */
92	void *			sr_rquid;	/* Points to 2-byte buffer. */
93	u_int8_t		sr_errclass;
94	u_int16_t		sr_serror;
95	u_int32_t		sr_error;
96	u_int8_t		sr_rpflags;
97	u_int16_t		sr_rpflags2;
98	u_int16_t		sr_rptid;
99	u_int16_t		sr_rppid;
100	u_int16_t		sr_rpuid;
101	u_int16_t		sr_rpmid;
102	struct smb_slock	sr_slock;	/* short term locks */
103	struct smb_t2rq *	sr_t2;
104	TAILQ_ENTRY(smb_rq)	sr_link;
105};
106
107struct smb_t2rq {
108	u_int16_t	t2_setupcount;
109	u_int16_t *	t2_setupdata;
110	u_int16_t	t2_setup[2];	/* most of rqs has setupcount of 1 */
111	u_int8_t	t2_maxscount;	/* max setup words to return */
112	u_int16_t	t2_maxpcount;	/* max param bytes to return */
113	u_int16_t	t2_maxdcount;	/* max data bytes to return */
114	u_int16_t	t2_fid;		/* for T2 request */
115	char *		t_name;		/* for T request, should be zero for T2 */
116	int		t2_flags;	/* SMBT2_ */
117	struct mbchain	t2_tparam;	/* parameters to transmit */
118	struct mbchain	t2_tdata;	/* data to transmit */
119	struct mdchain	t2_rparam;	/* received parameters */
120	struct mdchain	t2_rdata;	/* received data */
121	struct smb_cred*t2_cred;
122	struct smb_connobj *t2_source;
123	struct smb_rq *	t2_rq;
124	struct smb_vc * t2_vc;
125};
126
127int  smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
128	struct smb_cred *scred, struct smb_rq **rqpp);
129int  smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd,
130	struct smb_cred *scred);
131void smb_rq_done(struct smb_rq *rqp);
132int  smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp);
133int  smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp);
134void smb_rq_wstart(struct smb_rq *rqp);
135void smb_rq_wend(struct smb_rq *rqp);
136void smb_rq_bstart(struct smb_rq *rqp);
137void smb_rq_bend(struct smb_rq *rqp);
138int  smb_rq_intr(struct smb_rq *rqp);
139int  smb_rq_simple(struct smb_rq *rqp);
140
141int  smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred,
142	struct smb_t2rq **rqpp);
143int  smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup,
144	struct smb_cred *scred);
145void smb_t2_done(struct smb_t2rq *t2p);
146int  smb_t2_request(struct smb_t2rq *t2p);
147
148#endif /* !_NETSMB_SMB_RQ_H_ */
149