FreeBSD/Linux Kernel Cross Reference
sys/netncp/ncp_rq.h
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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: src/sys/netncp/ncp_rq.h,v 1.9 2005/01/07 01:45:49 imp Exp $
33 */
34 #ifndef _NETNCP_NCP_RQ_H_
35 #define _NETNCP_NCP_RQ_H_
36
37 #include <sys/endian.h>
38
39 #define getb(buf,ofs) (((const u_int8_t *)(buf))[ofs])
40 #define setb(buf,ofs,val) (((u_int8_t*)(buf))[ofs])=val
41 #define getbw(buf,ofs) ((u_int16_t)(getb(buf,ofs)))
42
43 #define getwle(buf,ofs) (le16toh(*((u_int16_t*)(&((u_int8_t*)(buf))[ofs]))))
44 #define getdle(buf,ofs) (le32toh(*((u_int32_t*)(&((u_int8_t*)(buf))[ofs]))))
45 #define getwbe(buf,ofs) (be16toh(*((u_int16_t*)(&((u_int8_t*)(buf))[ofs]))))
46 #define getdbe(buf,ofs) (be32toh(*((u_int32_t*)(&((u_int8_t*)(buf))[ofs]))))
47
48 #define setwle(buf,ofs,val) \
49 (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))=htole16(val)
50 #define setdle(buf,ofs,val) \
51 (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))=htole32(val)
52 #define setwbe(buf,ofs,val) \
53 (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))=htobe16(val)
54 #define setdbe(buf,ofs,val) \
55 (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))=htobe32(val)
56
57 #ifdef _KERNEL
58
59 #include <sys/mchain.h>
60
61 #define NCPR_ALLOCED 0x0001 /* request structure was allocated */
62 #define NCPR_DONTFREEONERR 0x0002 /* do not free structure on error */
63
64 /*
65 * Structure to prepare ncp request and receive reply
66 */
67 struct ncp_rq {
68 int nr_flags;
69 struct mbchain rq;
70 struct mdchain rp;
71 int nr_minrplen; /* minimal rp size (-1 if not known) */
72 int nr_rpsize; /* reply size minus ncp header */
73 int nr_cc; /* completion code */
74 int nr_cs; /* connection state */
75 struct thread * nr_td; /* thread that did rq */
76 struct ucred * nr_cred; /* user that did rq */
77 int rexmit;
78 struct ncp_conn*nr_conn; /* back link */
79 };
80
81 int ncp_rq_alloc(u_int8_t fn, struct ncp_conn *ncp, struct thread *td,
82 struct ucred *cred, struct ncp_rq **rqpp);
83 int ncp_rq_alloc_any(u_int32_t ptype, u_int8_t fn, struct ncp_conn *ncp,
84 struct thread *td, struct ucred *cred, struct ncp_rq **rqpp);
85 int ncp_rq_alloc_subfn(u_int8_t fn, u_int8_t subfn, struct ncp_conn *ncp,
86 struct thread *td, struct ucred *cred, struct ncp_rq **rqpp);
87 int ncp_rq_init_any(struct ncp_rq *rqp, u_int32_t ptype, u_int8_t fn,
88 struct ncp_conn *ncp,
89 struct thread *td, struct ucred *cred);
90 void ncp_rq_done(struct ncp_rq *rqp);
91 int ncp_request(struct ncp_rq *rqp);
92 int ncp_request_int(struct ncp_rq *rqp);
93
94 struct ncp_nlstables;
95
96 int ncp_rq_pathstring(struct ncp_rq *rqp, int size, const char *name, struct ncp_nlstables*);
97 int ncp_rq_dbase_path(struct ncp_rq *, u_int8_t vol_num,
98 u_int32_t dir_base, int namelen, u_char *name, struct ncp_nlstables *nt);
99 int ncp_rq_pstring(struct ncp_rq *rqp, const char *s);
100
101 void ncp_sign_init(const char *logindata, char *sign_root);
102
103 #else /* ifdef _KERNEL */
104
105 #define DECLARE_RQ struct ncp_buf conn1, *conn=&conn1
106
107 #define ncp_add_byte(conn,x) (conn)->packet[(conn)->rqsize++]=x
108
109 struct ncp_buf;
110
111 __BEGIN_DECLS
112
113 void ncp_init_request(struct ncp_buf *);
114 void ncp_init_request_s(struct ncp_buf *, int);
115 void ncp_add_word_lh(struct ncp_buf *, u_int16_t);
116 void ncp_add_dword_lh(struct ncp_buf *, u_int32_t);
117 void ncp_add_word_hl(struct ncp_buf *, u_int16_t);
118 void ncp_add_dword_hl(struct ncp_buf *, u_int32_t);
119 void ncp_add_mem(struct ncp_buf *, const void *, int);
120 void ncp_add_mem_nls(struct ncp_buf *, const void *, int);
121 void ncp_add_pstring(struct ncp_buf *, const char *);
122 void ncp_add_handle_path(struct ncp_buf *, nuint32, nuint32, int, const char *);
123
124 #define ncp_reply_data(conn,offset) ((conn)->packet+offset)
125 #define ncp_reply_byte(conn,offset) (*(u_int8_t*)(ncp_reply_data(conn, offset)))
126
127 u_int16_t ncp_reply_word_hl(struct ncp_buf *, int);
128 u_int16_t ncp_reply_word_lh(struct ncp_buf *, int);
129 u_int32_t ncp_reply_dword_hl(struct ncp_buf *, int);
130 u_int32_t ncp_reply_dword_lh(struct ncp_buf *, int);
131
132 static __inline void
133 ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh) {
134 fh->val1 = (fh->val.val32 = sfd);
135 return;
136 }
137
138 __END_DECLS
139
140 #endif /* ifdef _KERNEL */
141
142 #endif /* !_NETNCP_NCP_RQ_H_ */
143
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