2 * Copyright (c) 2000-2001 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
32 * $FreeBSD: src/sys/netsmb/smb_conn.h,v 1.1.2.3 2002/04/23 03:45:01 bp Exp $
35 #ifndef _NETPROTO_SMB_SMB_CONN_H_
36 #define _NETPROTO_SMB_SMB_CONN_H_
38 #include <sys/types.h>
39 #ifndef _NETINET_IN_H_
40 #include <netinet/in.h>
44 * Two levels of connection hierarchy
50 #define SMBL_NONE (-1)
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 */
59 #define SMBO_GONE 0x1000000
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)
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 */
98 #define SMBS_PERMANENT 0x0001
99 #define SMBS_RECONNECTING 0x0002
100 #define SMBS_CONNECTED 0x0004
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 */
114 * Negotiated protocol parameters
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_ */
130 * network IO daemon states
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 */
144 #define SMB_INFO_NONE 0
145 #define SMB_INFO_VC 2
146 #define SMB_INFO_SHARE 3
151 uid_t uid; /* user id of connection */
152 gid_t gid; /* group of connection */
153 mode_t mode; /* access mode */
155 enum smbiod_state iodstate;
156 struct smb_sopt sopt;
157 char srvname[SMB_MAXSRVNAMELEN];
161 struct smb_share_info {
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 */
175 #include <sys/lock.h>
176 #include "smb_subr.h"
178 #define CONNADDREQ(a1,a2) ((a1)->sa_len == (a2)->sa_len && \
179 bcmp(a1, a2, (a1)->sa_len) == 0)
186 struct smbioc_oshare;
190 TAILQ_HEAD(smb_rqhead, smb_rq);
192 #define SMB_DEFRQTIMO 5
194 #define SMB_DIALECT(vcp) ((vcp)->vc_sopt.sv_proto)
196 struct smb_tran_desc;
203 typedef void smb_co_gone_t (struct smb_connobj *cp, struct smb_cred *scred);
204 typedef void smb_co_free_t (struct smb_connobj *cp);
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)
211 int co_level; /* SMBL_ */
214 struct smb_slock co_interlock;
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;
223 #define SMBCO_FOREACH(var, cp) SLIST_FOREACH((var), &(cp)->co_children, co_next)
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
237 * This lock protects vc_flags
239 #define SMBC_ST_LOCK(vcp) smb_sl_lock(&(vcp)->vc_stlock)
240 #define SMBC_ST_UNLOCK(vcp) smb_sl_unlock(&(vcp)->vc_stlock)
244 struct smb_connobj obj;
246 struct sockaddr*vc_paddr; /* server addr */
247 struct sockaddr*vc_laddr; /* local addr, if any */
249 char * vc_pass; /* password for usl case */
250 char * vc_domain; /* workgroup/primary domain */
252 u_int vc_timo; /* default request timeout */
253 int vc_maxvcs; /* maximum number of VC per connection */
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 */
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 */
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;
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 */
283 #define vc_maxmux vc_sopt.sv_maxmux
284 #define vc_flags obj.co_flags
288 * smb_share structure describes connection to the given SMB share (tree).
289 * Connection to share is always built on top of the VC.
293 * This lock protects ss_flags
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)
301 struct smb_connobj obj;
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 */
309 char * ss_pass; /* password to a share, can be null */
310 struct smb_slock ss_stlock;
313 #define ss_flags obj.co_flags
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)
335 struct smb_sharespec *shspec;
336 struct smb_share *ssp; /* returned */
338 * The rest is an internal data
340 struct smb_cred *scred;
343 struct smb_sharespec {
352 * The rest is an internal data
354 struct smb_cred *scred;
358 * Session level functions
360 int smb_sm_init(void);
361 int smb_sm_done(void);
362 int smb_sm_lookup(struct smb_vcspec *vcspec,
363 struct smb_sharespec *shspec, struct smb_cred *scred,
364 struct smb_vc **vcpp);
367 * session level functions
369 int smb_vc_create(struct smb_vcspec *vcspec,
370 struct smb_cred *scred, struct smb_vc **vcpp);
371 int smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred);
372 int smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode);
373 int smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred);
374 void smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred);
375 void smb_vc_ref(struct smb_vc *vcp);
376 void smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred);
377 int smb_vc_lock(struct smb_vc *vcp, int flags);
378 void smb_vc_unlock(struct smb_vc *vcp, int flags);
379 int smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *shspec,
380 struct smb_cred *scred, struct smb_share **sspp);
381 const char * smb_vc_getpass(struct smb_vc *vcp);
382 u_short smb_vc_nextmid(struct smb_vc *vcp);
385 * share level functions
387 int smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
388 struct smb_cred *scred, struct smb_share **sspp);
389 int smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode);
390 void smb_share_ref(struct smb_share *ssp);
391 void smb_share_rele(struct smb_share *ssp, struct smb_cred *scred);
392 int smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred);
393 void smb_share_put(struct smb_share *ssp, struct smb_cred *scred);
394 int smb_share_lock(struct smb_share *ssp, int flags);
395 void smb_share_unlock(struct smb_share *ssp, int flags);
396 void smb_share_invalidate(struct smb_share *ssp);
397 int smb_share_valid(struct smb_share *ssp);
398 const char * smb_share_getpass(struct smb_share *ssp);
401 * SMB protocol level functions
403 int smb_smb_negotiate(struct smb_vc *vcp, struct smb_cred *scred);
404 int smb_smb_ssnsetup(struct smb_vc *vcp, struct smb_cred *scred);
405 int smb_smb_ssnclose(struct smb_vc *vcp, struct smb_cred *scred);
406 int smb_smb_treeconnect(struct smb_share *ssp, struct smb_cred *scred);
407 int smb_smb_treedisconnect(struct smb_share *ssp, struct smb_cred *scred);
408 int smb_read(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
409 struct smb_cred *scred);
410 int smb_write(struct smb_share *ssp, u_int16_t fid, struct uio *uio,
411 struct smb_cred *scred);
412 int smb_smb_echo(struct smb_vc *vcp, struct smb_cred *scred);
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
427 struct smbiod_event {
431 STAILQ_ENTRY(smbiod_event) ev_link;
434 #define SMBIOD_SHUTDOWN 0x0001
439 enum smbiod_state iod_state;
440 int iod_muxcnt; /* number of active outstanding requests */
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 */
446 struct thread * iod_td;
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;
454 int smb_iod_init(void);
455 int smb_iod_done(void);
456 int smb_iod_create(struct smb_vc *vcp);
457 int smb_iod_destroy(struct smbiod *iod);
458 int smb_iod_request(struct smbiod *iod, int event, void *ident);
459 int smb_iod_addrq(struct smb_rq *rqp);
460 int smb_iod_waitrq(struct smb_rq *rqp);
461 int smb_iod_removerq(struct smb_rq *rqp);
465 #endif /* !_NETPROTO_SMB_SMB_CONN_H_ */