summaryrefslogtreecommitdiffstats
path: root/sys/netncp/ncp_ncp.h
blob: ab1c74229e8c92f8a4cb8256c77dddc9e867a342 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*-
 * Copyright (c) 1999, Boris Popov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by Boris Popov.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */
#ifndef _NETNCP_NCP_NCP_H_
#define _NETNCP_NCP_NCP_H_

#define NCP_ALLOC_SLOT		0x1111
#define NCP_REQUEST		0x2222
#define NCP_REPLY		0x3333
#define NCP_FREE_SLOT		0x5555
#define	NCP_PACKET_BURST	0x7777
#define NCP_POSITIVE_ACK	0x9999

/*
 * Bits for connection state field in ncp_rphdr
 */
#define	NCP_CS_BAD_CONN		0x01	/* no such connection */
#define	NCP_CS_NO_SLOTS		0x04	/* no connection slots available */
#define	NCP_CS_SERVER_DOWN	0x10	/* server in down state */
#define	NCP_CS_HAVE_BROADCAST	0x40	/* server holds broadcast for us */

#define NCP_RETRY_COUNT		5
#define	NCP_RETRY_TIMEOUT	10
#define	NCP_RESTORE_COUNT	2	/* how many times try to restore per 
					 * single request, should be an _even_ */

struct ncp_rqhdr {
	u_int16_t type;
	u_int8_t  seq;
	u_int8_t  conn_low;
	u_int8_t  task;
	u_int8_t  conn_high;
	u_int8_t  fn;
	u_int8_t  data[0];
} __packed;


struct ncp_rphdr {
	u_int16_t	type;
	u_int8_t	seq;
	u_int8_t	conn_low;
	u_int8_t	task;
	u_int8_t	conn_high;
	u_int8_t	completion_code;
	u_int8_t	connection_state;
	u_int8_t	data[0];
}__packed;

#define	BFL_ABT		0x04
#define	BFL_EOB		0x10
#define	BFL_SYS		0x80

#define	BOP_READ	1L
#define	BOP_WRITE	2L

#define	BERR_NONE	0
#define	BERR_INIT	1
#define	BERR_IO		2
#define	BERR_NODATA	3
#define	BERR_WRITE	4

struct ncp_bursthdr {
	u_short	bh_type;
	u_char	bh_flags;
	u_char	bh_streamtype;
	u_long	bh_srcid;
	u_long	bh_dstid;
	u_long	bh_seq;			/* HL */
	u_long	bh_send_delay;		/* HL */
	u_short	bh_bseq;		/* HL */
	u_short	bh_aseq;		/* HL */
	u_long	bh_blen;		/* HL */
	u_long	bh_dofs;		/* HL */
	u_short	bh_dlen;		/* HL */
	u_short	bh_misfrags;		/* HL */
} __packed;

struct ncp_conn;
struct ncp_conn_args;
struct ncp_rq;
struct ucred;

int  ncp_ncp_connect(struct ncp_conn *conn);
int  ncp_ncp_disconnect(struct ncp_conn *conn);
int  ncp_negotiate_buffersize(struct ncp_conn *conn, int size, int *target);
int  ncp_renegotiate_connparam(struct ncp_conn *conn, int buffsize,
	u_int8_t in_options);
int  ncp_get_bindery_object_id(struct ncp_conn *conn, 
		u_int16_t object_type, char *object_name, 
		struct ncp_bindery_object *target,
		struct thread *td,struct ucred *cred);
int  ncp_get_encryption_key(struct ncp_conn *conn, char *target);
int  ncp_login_encrypted(struct ncp_conn *conn,
	struct ncp_bindery_object *object,
	const u_char *key, const u_char *passwd,
	struct thread *td, struct ucred *cred);
int ncp_login_unencrypted(struct ncp_conn *conn, u_int16_t object_type, 
	const char *object_name, const u_char *passwd,
	struct thread *td, struct ucred *cred);
int  ncp_read(struct ncp_conn *conn, ncp_fh *file, struct uio *uiop, struct ucred *cred);
int  ncp_write(struct ncp_conn *conn, ncp_fh *file, struct uio *uiop, struct ucred *cred);

#endif /* _NCP_NCP_H_ */
OpenPOWER on IntegriCloud