nrelease - fix/improve livecd
[dragonfly.git] / sys / netproto / smb / smb_conn.h
CommitLineData
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1/*
2 * Copyright (c) 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/netsmb/smb_conn.h,v 1.1.2.3 2002/04/23 03:45:01 bp Exp $
33 */
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34
35#ifndef _NETPROTO_SMB_SMB_CONN_H_
36#define _NETPROTO_SMB_SMB_CONN_H_
37
49c0db25 38#include <sys/types.h>
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39#ifndef _NETINET_IN_H_
40#include <netinet/in.h>
41#endif
42
43/*
44 * Two levels of connection hierarchy
45 */
46#define SMBL_SM 0
47#define SMBL_VC 1
48#define SMBL_SHARE 2
49#define SMBL_NUM 3
50#define SMBL_NONE (-1)
51
52#define SMB_CS_NONE 0x0000
53#define SMB_CS_UPPER 0x0001 /* convert passed string to upper case */
54#define SMB_CS_LOWER 0x0002 /* convert passed string to lower case */
55
56/*
57 * Common object flags
58 */
59#define SMBO_GONE 0x1000000
60
61/*
62 * access modes
63 */
64#define SMBM_READ 0400 /* read conn attrs.(like list shares) */
65#define SMBM_WRITE 0200 /* modify conn attrs */
66#define SMBM_EXEC 0100 /* can send SMB requests */
67#define SMBM_READGRP 0040
68#define SMBM_WRITEGRP 0020
69#define SMBM_EXECGRP 0010
70#define SMBM_READOTH 0004
71#define SMBM_WRITEOTH 0002
72#define SMBM_EXECOTH 0001
73#define SMBM_MASK 0777
74#define SMBM_EXACT 010000 /* check for specified mode exactly */
75#define SMBM_ALL (SMBM_READ | SMBM_WRITE | SMBM_EXEC)
76#define SMBM_DEFAULT (SMBM_READ | SMBM_WRITE | SMBM_EXEC)
77#define SMBM_ANY_OWNER ((uid_t)-1)
78#define SMBM_ANY_GROUP ((gid_t)-1)
79
80/*
81 * VC flags
82 */
83#define SMBV_PERMANENT 0x0002
84#define SMBV_LONGNAMES 0x0004 /* connection is configured to use long names */
85#define SMBV_ENCRYPT 0x0008 /* server asked for encrypted password */
86#define SMBV_WIN95 0x0010 /* used to apply bugfixes for this OS */
87#define SMBV_PRIVATE 0x0020 /* connection can be used only by creator */
88#define SMBV_RECONNECTING 0x0040 /* conn is in the process of reconnection */
89#define SMBV_SINGLESHARE 0x0080 /* only one share connecting should be allowed */
90#define SMBV_CREATE 0x0100 /* lookup for create operation */
91/*#define SMBV_FAILED 0x0200*/ /* last reconnect attempt has failed */
92#define SMBV_UNICODE 0x0400 /* connection is configured to use Unicode */
93
94
95/*
96 * smb_share flags
97 */
98#define SMBS_PERMANENT 0x0001
99#define SMBS_RECONNECTING 0x0002
100#define SMBS_CONNECTED 0x0004
101
102/*
103 * share types
104 */
105#define SMB_ST_DISK 0x0 /* A: */
106#define SMB_ST_PRINTER 0x1 /* LPT: */
107#define SMB_ST_PIPE 0x2 /* IPC */
108#define SMB_ST_COMM 0x3 /* COMM */
109#define SMB_ST_ANY 0x4
110#define SMB_ST_MAX 0x4
111#define SMB_ST_NONE 0xff /* not a part of protocol */
112
113/*
114 * Negotiated protocol parameters
115 */
116struct smb_sopt {
117 int sv_proto;
118 int16_t sv_tz; /* offset in min relative to UTC */
119 u_int32_t sv_maxtx; /* maximum transmit buf size */
120 u_char sv_sm; /* security mode */
121 u_int16_t sv_maxmux; /* max number of outstanding rq's */
122 u_int16_t sv_maxvcs; /* max number of VCs */
123 u_int16_t sv_rawmode;
124 u_int32_t sv_maxraw; /* maximum raw-buffer size */
125 u_int32_t sv_skey; /* session key */
126 u_int32_t sv_caps; /* capabilities SMB_CAP_ */
127};
128
129/*
130 * network IO daemon states
131 */
132enum smbiod_state {
133 SMBIOD_ST_NOTCONN, /* no connect request was made */
134 SMBIOD_ST_RECONNECT, /* a [re]connect attempt is in progress */
135 SMBIOD_ST_TRANACTIVE, /* transport level is up */
136 SMBIOD_ST_VCACTIVE, /* session established */
137 SMBIOD_ST_DEAD /* connection broken, transport is down */
138};
139
140
141/*
142 * Info structures
143 */
144#define SMB_INFO_NONE 0
145#define SMB_INFO_VC 2
146#define SMB_INFO_SHARE 3
147
148struct smb_vc_info {
149 int itype;
150 int usecount;
151 uid_t uid; /* user id of connection */
152 gid_t gid; /* group of connection */
153 mode_t mode; /* access mode */
154 int flags;
155 enum smbiod_state iodstate;
156 struct smb_sopt sopt;
157 char srvname[SMB_MAXSRVNAMELEN];
158 char vcname[128];
159};
160
161struct smb_share_info {
162 int itype;
163 int usecount;
164 u_short tid; /* TID */
165 int type; /* share type */
166 uid_t uid; /* user id of connection */
167 gid_t gid; /* group of connection */
168 mode_t mode; /* access mode */
169 int flags;
170 char sname[128];
171};
172
173#ifdef _KERNEL
174
175#include <sys/lock.h>
1f2de5d4 176#include "smb_subr.h"
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177
178#define CONNADDREQ(a1,a2) ((a1)->sa_len == (a2)->sa_len && \
179 bcmp(a1, a2, (a1)->sa_len) == 0)
180
181struct smb_vc;
182struct smb_share;
183struct smb_cred;
184struct smb_rq;
185struct mbdata;
186struct smbioc_oshare;
187struct smbioc_ossn;
188struct uio;
189
190TAILQ_HEAD(smb_rqhead, smb_rq);
191
192#define SMB_DEFRQTIMO 5
193
194#define SMB_DIALECT(vcp) ((vcp)->vc_sopt.sv_proto)
195
196struct smb_tran_desc;
197
198/*
199 * Connection object
200 */
201struct smb_connobj;
202
203typedef void smb_co_gone_t (struct smb_connobj *cp, struct smb_cred *scred);
204typedef void smb_co_free_t (struct smb_connobj *cp);
205
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206#define SMB_CO_LOCK(cp) smb_sl_lock(&(cp)->co_interlock)
207#define SMB_CO_UNLOCK(cp) smb_sl_unlock(&(cp)->co_interlock)
208#define SMB_CO_INTERLOCK(cp) (&(cp)->co_interlock)
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209
210struct smb_connobj {
211 int co_level; /* SMBL_ */
212 int co_flags;
213 struct lock co_lock;
214 struct smb_slock co_interlock;
215 int co_usecount;
216 struct smb_connobj * co_parent;
217 SLIST_HEAD(,smb_connobj)co_children;
218 SLIST_ENTRY(smb_connobj)co_next;
219 smb_co_gone_t * co_gone;
220 smb_co_free_t * co_free;
221};
222
223#define SMBCO_FOREACH(var, cp) SLIST_FOREACH((var), &(cp)->co_children, co_next)
224
225/*
226 * Virtual Circuit (session) to a server.
227 * This is the most (over)complicated part of SMB protocol.
228 * For the user security level (usl), each session with different remote
229 * user name has its own VC.
230 * It is unclear however, should share security level (ssl) allow additional
231 * VCs, because user name is not used and can be the same. On other hand,
232 * multiple VCs allows us to create separate sessions to server on a per
233 * user basis.
234 */
235
236/*
237 * This lock protects vc_flags
238 */
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239#define SMBC_ST_LOCK(vcp) smb_sl_lock(&(vcp)->vc_stlock)
240#define SMBC_ST_UNLOCK(vcp) smb_sl_unlock(&(vcp)->vc_stlock)
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241
242
243struct smb_vc {
244 struct smb_connobj obj;
245 char * vc_srvname;
246 struct sockaddr*vc_paddr; /* server addr */
247 struct sockaddr*vc_laddr; /* local addr, if any */
248 char * vc_username;
249 char * vc_pass; /* password for usl case */
250 char * vc_domain; /* workgroup/primary domain */
251
252 u_int vc_timo; /* default request timeout */
253 int vc_maxvcs; /* maximum number of VC per connection */
254
255 void * vc_tolower; /* local charset */
256 void * vc_toupper; /* local charset */
257 void * vc_toserver; /* local charset to server one */
258 void * vc_tolocal; /* server charset to local one */
259 int vc_number; /* number of this VC from the client side */
260 int vc_genid;
261 uid_t vc_uid; /* user id of connection */
262 gid_t vc_grp; /* group of connection */
263 mode_t vc_mode; /* access mode */
264 struct tnode * vc_tnode; /* backing object */
265 u_short vc_smbuid; /* unique vc id assigned by server */
266
267 u_char vc_hflags; /* or'ed with flags in the smb header */
268 u_short vc_hflags2; /* or'ed with flags in the smb header */
269 void * vc_tdata; /* transport control block */
270 struct smb_tran_desc *vc_tdesc;
271 int vc_chlen; /* actual challenge length */
272 u_char vc_ch[SMB_MAXCHALLENGELEN];
273 u_short vc_mid; /* multiplex id */
274 struct smb_sopt vc_sopt; /* server options */
275 int vc_txmax; /* max tx/rx packet size */
276 struct smbiod * vc_iod;
277 struct smb_slock vc_stlock;
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278 u_int32_t vc_seqno; /* my next sequence number */
279 u_int8_t *vc_mackey; /* MAC key */
280 int vc_mackeylen; /* length of MAC key */
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281};
282
283#define vc_maxmux vc_sopt.sv_maxmux
284#define vc_flags obj.co_flags
285
286
287/*
288 * smb_share structure describes connection to the given SMB share (tree).
289 * Connection to share is always built on top of the VC.
290 */
291
292/*
293 * This lock protects ss_flags
294 */
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295#define SMBS_ST_LOCK(ssp) smb_sl_lock(&(ssp)->ss_stlock)
296#define SMBS_ST_LOCKPTR(ssp) (&(ssp)->ss_stlock)
297#define SMBS_ST_INTERLOCK(ssp) (&(ssp)->ss_stlock)
298#define SMBS_ST_UNLOCK(ssp) smb_sl_unlock(&(ssp)->ss_stlock)
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299
300struct smb_share {
301 struct smb_connobj obj;
302 char * ss_name;
303 u_short ss_tid; /* TID */
304 int ss_type; /* share type */
305 uid_t ss_uid; /* user id of connection */
306 gid_t ss_grp; /* group of connection */
307 mode_t ss_mode; /* access mode */
308 int ss_vcgenid;
309 char * ss_pass; /* password to a share, can be null */
310 struct smb_slock ss_stlock;
311};
312
313#define ss_flags obj.co_flags
314
315#define CPTOVC(cp) ((struct smb_vc*)(cp))
316#define VCTOCP(vcp) (&(vcp)->obj)
317#define CPTOSS(cp) ((struct smb_share*)(cp))
318#define SSTOVC(ssp) CPTOVC(((ssp)->obj.co_parent))
319#define SSTOCP(ssp) (&(ssp)->obj)
320
321struct smb_vcspec {
322 char * srvname;
323 struct sockaddr*sap;
324 struct sockaddr*lap;
325 int flags;
326 char * username;
327 char * pass;
328 char * domain;
329 mode_t mode;
330 mode_t rights;
331 uid_t owner;
332 gid_t group;
333 char * localcs;
334 char * servercs;
335 struct smb_sharespec *shspec;
336 struct smb_share *ssp; /* returned */
337 /*
338 * The rest is an internal data
339 */
340 struct smb_cred *scred;
341};
342
343struct smb_sharespec {
344 char * name;
345 char * pass;
346 mode_t mode;
347 mode_t rights;
348 uid_t owner;
349 gid_t group;
350 int stype;
351 /*
352 * The rest is an internal data
353 */
354 struct smb_cred *scred;
355};
356
357/*
358 * Session level functions
359 */
360int smb_sm_init(void);
361int smb_sm_done(void);
362int smb_sm_lookup(struct smb_vcspec *vcspec,
363 struct smb_sharespec *shspec, struct smb_cred *scred,
364 struct smb_vc **vcpp);
365
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366/*
367 * session level functions
368 */
369int smb_vc_create(struct smb_vcspec *vcspec,
370 struct smb_cred *scred, struct smb_vc **vcpp);
371int smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred);
372int smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode);
373int smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred);
374void smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred);
fef8985e 375void smb_vc_ref(struct smb_vc *vcp);
984263bc 376void smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred);
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377int smb_vc_lock(struct smb_vc *vcp, int flags);
378void smb_vc_unlock(struct smb_vc *vcp, int flags);
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379int smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *shspec,
380 struct smb_cred *scred, struct smb_share **sspp);
381const char * smb_vc_getpass(struct smb_vc *vcp);
382u_short smb_vc_nextmid(struct smb_vc *vcp);
383
384/*
385 * share level functions
386 */
387int smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
388 struct smb_cred *scred, struct smb_share **sspp);
389int smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode);
fef8985e 390void smb_share_ref(struct smb_share *ssp);
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391void smb_share_rele(struct smb_share *ssp, struct smb_cred *scred);
392int smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred);
393void smb_share_put(struct smb_share *ssp, struct smb_cred *scred);
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394int smb_share_lock(struct smb_share *ssp, int flags);
395void smb_share_unlock(struct smb_share *ssp, int flags);
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396void smb_share_invalidate(struct smb_share *ssp);
397int smb_share_valid(struct smb_share *ssp);
398const char * smb_share_getpass(struct smb_share *ssp);
399
400/*
401 * SMB protocol level functions
402 */
403int smb_smb_negotiate(struct smb_vc *vcp, struct smb_cred *scred);
404int smb_smb_ssnsetup(struct smb_vc *vcp, struct smb_cred *scred);
405int smb_smb_ssnclose(struct smb_vc *vcp, struct smb_cred *scred);
406int smb_smb_treeconnect(struct smb_share *ssp, struct smb_cred *scred);
407int smb_smb_treedisconnect(struct smb_share *ssp, struct smb_cred *scred);
408int smb_read(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
409 struct smb_cred *scred);
410int smb_write(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
411 struct smb_cred *scred);
412int smb_smb_echo(struct smb_vc *vcp, struct smb_cred *scred);
413
414/*
415 * smbiod thread
416 */
417
418#define SMBIOD_EV_NEWRQ 0x0001
419#define SMBIOD_EV_SHUTDOWN 0x0002
420#define SMBIOD_EV_CONNECT 0x0003
421#define SMBIOD_EV_DISCONNECT 0x0004
422#define SMBIOD_EV_TREECONNECT 0x0005
423#define SMBIOD_EV_MASK 0x00ff
424#define SMBIOD_EV_SYNC 0x0100
425#define SMBIOD_EV_PROCESSING 0x0200
426
427struct smbiod_event {
428 int ev_type;
429 int ev_error;
430 void * ev_ident;
431 STAILQ_ENTRY(smbiod_event) ev_link;
432};
433
434#define SMBIOD_SHUTDOWN 0x0001
435
436struct smbiod {
437 int iod_id;
438 int iod_flags;
439 enum smbiod_state iod_state;
440 int iod_muxcnt; /* number of active outstanding requests */
441 int iod_sleeptimo;
442 struct smb_vc * iod_vc;
443 struct smb_slock iod_rqlock; /* iod_rqlist, iod_muxwant */
444 struct smb_rqhead iod_rqlist; /* list of outstanding requests */
445 int iod_muxwant;
dadab5e9 446 struct thread * iod_td;
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447 struct smb_cred iod_scred;
448 struct smb_slock iod_evlock; /* iod_evlist */
449 STAILQ_HEAD(,smbiod_event) iod_evlist;
450 struct timespec iod_lastrqsent;
451 struct timespec iod_pingtimo;
452};
453
454int smb_iod_init(void);
455int smb_iod_done(void);
456int smb_iod_create(struct smb_vc *vcp);
457int smb_iod_destroy(struct smbiod *iod);
458int smb_iod_request(struct smbiod *iod, int event, void *ident);
459int smb_iod_addrq(struct smb_rq *rqp);
460int smb_iod_waitrq(struct smb_rq *rqp);
461int smb_iod_removerq(struct smb_rq *rqp);
462
463#endif /* _KERNEL */
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464
465#endif /* !_NETPROTO_SMB_SMB_CONN_H_ */