1/*-
2 * Copyright (c) 1999, 2000, 2001 Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28#ifndef _NETNCP_NCP_RQ_H_
29#define _NETNCP_NCP_RQ_H_
30
31#include <sys/endian.h>
32
33#define getb(buf,ofs) 		(((const u_int8_t *)(buf))[ofs])
34#define setb(buf,ofs,val)	(((u_int8_t*)(buf))[ofs])=val
35#define getbw(buf,ofs)		((u_int16_t)(getb(buf,ofs)))
36
37#define	getwle(buf,ofs) (le16toh(*((u_int16_t*)(&((u_int8_t*)(buf))[ofs]))))
38#define	getdle(buf,ofs) (le32toh(*((u_int32_t*)(&((u_int8_t*)(buf))[ofs]))))
39#define	getwbe(buf,ofs) (be16toh(*((u_int16_t*)(&((u_int8_t*)(buf))[ofs]))))
40#define	getdbe(buf,ofs) (be32toh(*((u_int32_t*)(&((u_int8_t*)(buf))[ofs]))))
41
42#define	setwle(buf,ofs,val) \
43	(*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))=htole16(val)
44#define	setdle(buf,ofs,val) \
45	(*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))=htole32(val)
46#define	setwbe(buf,ofs,val) \
47	(*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))=htobe16(val)
48#define	setdbe(buf,ofs,val) \
49	(*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))=htobe32(val)
50
51#ifdef _KERNEL
52
53#include <sys/mchain.h>
54
55#define	NCPR_ALLOCED		0x0001	/* request structure was allocated */
56#define	NCPR_DONTFREEONERR	0x0002	/* do not free structure on error */
57
58/*
59 * Structure to prepare ncp request and receive reply
60 */
61struct ncp_rq {
62	int		nr_flags;
63	struct mbchain	rq;
64	struct mdchain	rp;
65	int		nr_minrplen;	/* minimal rp size (-1 if not known) */
66	int		nr_rpsize;	/* reply size minus ncp header */
67	int		nr_cc;		/* completion code */
68	int		nr_cs;		/* connection state */
69	struct thread *	nr_td;		/* thread that did rq */
70	struct ucred *	nr_cred;	/* user that did rq */
71	int		rexmit;
72	struct ncp_conn*nr_conn;	/* back link */
73};
74
75int  ncp_rq_alloc(u_int8_t fn, struct ncp_conn *ncp, struct thread *td,
76	struct ucred *cred, struct ncp_rq **rqpp);
77int  ncp_rq_alloc_any(u_int32_t ptype, u_int8_t fn, struct ncp_conn *ncp,
78	struct thread *td,	struct ucred *cred, struct ncp_rq **rqpp);
79int  ncp_rq_alloc_subfn(u_int8_t fn, u_int8_t subfn, struct ncp_conn *ncp,
80	struct thread *td,	struct ucred *cred, struct ncp_rq **rqpp);
81int  ncp_rq_init_any(struct ncp_rq *rqp, u_int32_t ptype, u_int8_t fn,
82	struct ncp_conn *ncp,
83	struct thread *td, struct ucred *cred);
84void ncp_rq_done(struct ncp_rq *rqp);
85int  ncp_request(struct ncp_rq *rqp);
86int  ncp_request_int(struct ncp_rq *rqp);
87
88struct ncp_nlstables;
89
90int  ncp_rq_pathstring(struct ncp_rq *rqp, int size, const char *name, struct ncp_nlstables*);
91int  ncp_rq_dbase_path(struct ncp_rq *, u_int8_t vol_num,
92		    u_int32_t dir_base, int namelen, u_char *name, struct ncp_nlstables *nt);
93int  ncp_rq_pstring(struct ncp_rq *rqp, const char *s);
94
95void ncp_sign_init(const char *logindata, char *sign_root);
96
97#else /* ifdef _KERNEL */
98
99#define	DECLARE_RQ	struct ncp_buf conn1, *conn=&conn1
100
101#define	ncp_add_byte(conn,x) (conn)->packet[(conn)->rqsize++]=x
102
103struct ncp_buf;
104
105__BEGIN_DECLS
106
107void ncp_init_request(struct ncp_buf *);
108void ncp_init_request_s(struct ncp_buf *, int);
109void ncp_add_word_lh(struct ncp_buf *, u_int16_t);
110void ncp_add_dword_lh(struct ncp_buf *, u_int32_t);
111void ncp_add_word_hl(struct ncp_buf *, u_int16_t);
112void ncp_add_dword_hl(struct ncp_buf *, u_int32_t);
113void ncp_add_mem(struct ncp_buf *, const void *, int);
114void ncp_add_mem_nls(struct ncp_buf *, const void *, int);
115void ncp_add_pstring(struct ncp_buf *, const char *);
116void ncp_add_handle_path(struct ncp_buf *, nuint32, nuint32, int, const char *);
117
118#define ncp_reply_data(conn,offset) ((conn)->packet+offset)
119#define ncp_reply_byte(conn,offset) (*(u_int8_t*)(ncp_reply_data(conn, offset)))
120
121u_int16_t ncp_reply_word_hl(struct ncp_buf *, int);
122u_int16_t ncp_reply_word_lh(struct ncp_buf *, int);
123u_int32_t ncp_reply_dword_hl(struct ncp_buf *, int);
124u_int32_t ncp_reply_dword_lh(struct ncp_buf *, int);
125
126static __inline void
127ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh) {
128	fh->val1 = (fh->val.val32 = sfd);
129	return;
130}
131
132__END_DECLS
133
134#endif /* ifdef _KERNEL */
135
136#endif	/* !_NETNCP_NCP_RQ_H_ */
137