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: releng/5.0/sys/netncp/ncp_rq.h 83366 2001-09-12 08:38:13Z julian $
33 */
34 #ifndef _NETNCP_NCP_RQ_H_
35 #define _NETNCP_NCP_RQ_H_
36
37 #include <machine/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 #if (BYTE_ORDER == LITTLE_ENDIAN)
44
45 #define getwle(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
46 #define getdle(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
47 #define getwbe(buf,ofs) (ntohs(getwle(buf,ofs)))
48 #define getdbe(buf,ofs) (ntohl(getdle(buf,ofs)))
49
50 #define setwle(buf,ofs,val) getwle(buf,ofs)=val
51 #define setwbe(buf,ofs,val) getwle(buf,ofs)=htons(val)
52 #define setdle(buf,ofs,val) getdle(buf,ofs)=val
53 #define setdbe(buf,ofs,val) getdle(buf,ofs)=htonl(val)
54
55 #define htoles(x) ((u_int16_t)(x))
56 #define letohs(x) ((u_int16_t)(x))
57 #define htolel(x) ((u_int32_t)(x))
58 #define letohl(x) ((u_int32_t)(x))
59
60 #else
61 #error "Macros for Big-Endians are incomplete"
62 #define getwle(buf,ofs) ((u_int16_t)(getb(buf, ofs) | (getb(buf, ofs + 1) << 8)))
63 #define getdle(buf,ofs) ((u_int32_t)(getb(buf, ofs) | \
64 (getb(buf, ofs + 1) << 8) | \
65 (getb(buf, ofs + 2) << 16) | \
66 (getb(buf, ofs + 3) << 24)))
67 #define getwbe(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
68 #define getdbe(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
69 /*
70 #define setwle(buf,ofs,val) getwle(buf,ofs)=val
71 #define setdle(buf,ofs,val) getdle(buf,ofs)=val
72 */
73 #define setwbe(buf,ofs,val) getwle(buf,ofs)=val
74 #define setdbe(buf,ofs,val) getdle(buf,ofs)=val
75 /*
76 #define htoles(x) ((u_int16_t)(x))
77 #define letohs(x) ((u_int16_t)(x))
78 #define htolel(x) ((u_int32_t)(x))
79 #define letohl(x) ((u_int32_t)(x))
80 */
81 #endif
82
83
84 #ifdef _KERNEL
85
86 #include <sys/mchain.h>
87
88 #define NCPR_ALLOCED 0x0001 /* request structure was allocated */
89 #define NCPR_DONTFREEONERR 0x0002 /* do not free structure on error */
90
91 /*
92 * Structure to prepare ncp request and receive reply
93 */
94 struct ncp_rq {
95 int nr_flags;
96 struct mbchain rq;
97 struct mdchain rp;
98 int nr_minrplen; /* minimal rp size (-1 if not known) */
99 int nr_rpsize; /* reply size minus ncp header */
100 int nr_cc; /* completion code */
101 int nr_cs; /* connection state */
102 struct thread * nr_td; /* thread that did rq */
103 struct ucred * nr_cred; /* user that did rq */
104 int rexmit;
105 struct ncp_conn*nr_conn; /* back link */
106 };
107
108 int ncp_rq_alloc(u_int8_t fn, struct ncp_conn *ncp, struct thread *td,
109 struct ucred *cred, struct ncp_rq **rqpp);
110 int ncp_rq_alloc_any(u_int32_t ptype, u_int8_t fn, struct ncp_conn *ncp,
111 struct thread *td, struct ucred *cred, struct ncp_rq **rqpp);
112 int ncp_rq_alloc_subfn(u_int8_t fn, u_int8_t subfn, struct ncp_conn *ncp,
113 struct thread *td, struct ucred *cred, struct ncp_rq **rqpp);
114 int ncp_rq_init_any(struct ncp_rq *rqp, u_int32_t ptype, u_int8_t fn,
115 struct ncp_conn *ncp,
116 struct thread *td, struct ucred *cred);
117 void ncp_rq_done(struct ncp_rq *rqp);
118 int ncp_request(struct ncp_rq *rqp);
119 int ncp_request_int(struct ncp_rq *rqp);
120
121 struct ncp_nlstables;
122
123 int ncp_rq_pathstring(struct ncp_rq *rqp, int size, const char *name, struct ncp_nlstables*);
124 int ncp_rq_dbase_path(struct ncp_rq *, u_int8_t vol_num,
125 u_int32_t dir_base, int namelen, u_char *name, struct ncp_nlstables *nt);
126 int ncp_rq_pstring(struct ncp_rq *rqp, const char *s);
127
128 void ncp_sign_init(const char *logindata, char *sign_root);
129
130 #else /* ifdef _KERNEL */
131
132 #define DECLARE_RQ struct ncp_buf conn1, *conn=&conn1
133
134 #define ncp_add_byte(conn,x) (conn)->packet[(conn)->rqsize++]=x
135
136 struct ncp_buf;
137
138 __BEGIN_DECLS
139
140 void ncp_init_request(struct ncp_buf *);
141 void ncp_init_request_s(struct ncp_buf *, int);
142 void ncp_add_word_lh(struct ncp_buf *, u_int16_t);
143 void ncp_add_dword_lh(struct ncp_buf *, u_int32_t);
144 void ncp_add_word_hl(struct ncp_buf *, u_int16_t);
145 void ncp_add_dword_hl(struct ncp_buf *, u_int32_t);
146 void ncp_add_mem(struct ncp_buf *, const void *, int);
147 void ncp_add_mem_nls(struct ncp_buf *, const void *, int);
148 void ncp_add_pstring(struct ncp_buf *, const char *);
149 void ncp_add_handle_path(struct ncp_buf *, nuint32, nuint32, int, const char *);
150
151 #define ncp_reply_data(conn,offset) ((conn)->packet+offset)
152 #define ncp_reply_byte(conn,offset) (*(u_int8_t*)(ncp_reply_data(conn, offset)))
153
154 u_int16_t ncp_reply_word_hl(struct ncp_buf *, int);
155 u_int16_t ncp_reply_word_lh(struct ncp_buf *, int);
156 u_int32_t ncp_reply_dword_hl(struct ncp_buf *, int);
157 u_int32_t ncp_reply_dword_lh(struct ncp_buf *, int);
158
159 static __inline void
160 ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh) {
161 fh->val1 = (fh->val.val32 = sfd);
162 return;
163 }
164
165 __END_DECLS
166
167 #endif /* ifdef _KERNEL */
168
169 #endif /* !_NETNCP_NCP_RQ_H_ */
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