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.c,v 1.1.2.1 2001/05/22 08:32:33 bp Exp $
33 * $DragonFly: src/sys/netproto/smb/smb_conn.c,v 1.20 2006/12/20 18:14:44 dillon Exp $
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
47 #include <sys/sysctl.h>
48 #include <sys/socketvar.h>
50 #include <sys/iconv.h>
56 #include "smb_trantcp.h"
58 static struct smb_connobj smb_vclist
;
59 static int smb_vcnext
= 1; /* next unique id for VC */
61 SYSCTL_NODE(_net
, OID_AUTO
, smb
, CTLFLAG_RW
, NULL
, "SMB protocol");
63 MALLOC_DEFINE(M_SMBCONN
, "SMB conn", "SMB connection");
65 static void smb_co_init(struct smb_connobj
*cp
, int level
, char *objname
);
66 static void smb_co_done(struct smb_connobj
*cp
);
67 static int smb_co_lockstatus(struct smb_connobj
*cp
, struct thread
*td
);
69 static int smb_vc_disconnect(struct smb_vc
*vcp
);
70 static void smb_vc_free(struct smb_connobj
*cp
);
71 static void smb_vc_gone(struct smb_connobj
*cp
, struct smb_cred
*scred
);
76 static void smb_co_ref(struct smb_connobj
*cp
);
77 static void smb_co_rele(struct smb_connobj
*cp
, struct smb_cred
*scred
);
78 static int smb_co_get(struct smb_connobj
*cp
, int flags
, struct smb_cred
*scred
);
79 static void smb_co_put(struct smb_connobj
*cp
, struct smb_cred
*scred
);
80 static int smb_co_lock(struct smb_connobj
*cp
, int flags
);
81 static void smb_co_unlock(struct smb_connobj
*cp
, int flags
);
83 static smb_co_free_t smb_share_free
;
84 static smb_co_gone_t smb_share_gone
;
86 static int smb_sysctl_treedump(SYSCTL_HANDLER_ARGS
);
88 SYSCTL_PROC(_net_smb
, OID_AUTO
, treedump
, CTLFLAG_RD
| CTLTYPE_OPAQUE
,
89 NULL
, 0, smb_sysctl_treedump
, "S,treedump", "Requester tree");
94 smb_co_init(&smb_vclist
, SMBL_SM
, "smbsm");
95 smb_co_unlock(&smb_vclist
, 0);
103 /* XXX: hold the mutex */
104 if (smb_vclist
.co_usecount
> 1) {
105 SMBERROR("%d connections still active\n", smb_vclist
.co_usecount
- 1);
108 smb_co_done(&smb_vclist
);
113 smb_sm_lockvclist(int flags
)
115 return smb_co_lock(&smb_vclist
, flags
| LK_CANRECURSE
);
119 smb_sm_unlockvclist(void)
121 smb_co_unlock(&smb_vclist
, LK_RELEASE
);
125 smb_sm_lookupint(struct smb_vcspec
*vcspec
, struct smb_sharespec
*shspec
,
126 struct smb_cred
*scred
, struct smb_vc
**vcpp
)
128 struct smb_connobj
*scp
;
133 vcspec
->shspec
= shspec
;
136 SMBCO_FOREACH(scp
, &smb_vclist
) {
137 vcp
= (struct smb_vc
*)scp
;
138 error
= smb_vc_lock(vcp
, LK_EXCLUSIVE
);
142 if ((vcp
->obj
.co_flags
& SMBV_PRIVATE
) ||
143 !CONNADDREQ(vcp
->vc_paddr
, vcspec
->sap
) ||
144 strcmp(vcp
->vc_username
, vcspec
->username
) != 0)
146 if (vcspec
->owner
!= SMBM_ANY_OWNER
) {
147 if (vcp
->vc_uid
!= vcspec
->owner
)
151 if (vcspec
->group
!= SMBM_ANY_GROUP
) {
152 if (vcp
->vc_grp
!= vcspec
->group
)
157 if (vcspec
->mode
& SMBM_EXACT
) {
159 (vcspec
->mode
& SMBM_MASK
) != vcp
->vc_mode
)
162 if (smb_vc_access(vcp
, scred
, vcspec
->mode
) != 0)
166 ithrow(smb_vc_lookupshare(vcp
, shspec
, scred
, &vcspec
->ssp
));
170 smb_vc_unlock(vcp
, 0);
184 smb_sm_lookup(struct smb_vcspec
*vcspec
, struct smb_sharespec
*shspec
,
185 struct smb_cred
*scred
, struct smb_vc
**vcpp
)
188 struct smb_share
*ssp
= NULL
;
193 error
= smb_sm_lockvclist(LK_EXCLUSIVE
);
196 error
= smb_sm_lookupint(vcspec
, shspec
, scred
, vcpp
);
197 if (error
== 0 || (vcspec
->flags
& SMBV_CREATE
) == 0) {
198 smb_sm_unlockvclist();
201 error
= smb_sm_lookupint(vcspec
, NULL
, scred
, &vcp
);
203 error
= smb_vc_create(vcspec
, scred
, &vcp
);
206 error
= smb_vc_connect(vcp
, scred
);
212 error
= smb_share_create(vcp
, shspec
, scred
, &ssp
);
215 error
= smb_smb_treeconnect(ssp
, scred
);
219 smb_share_put(ssp
, scred
);
221 smb_sm_unlockvclist();
225 smb_vc_put(vcp
, scred
);
230 * Common code for connection object
233 smb_co_init(struct smb_connobj
*cp
, int level
, char *objname
)
235 SLIST_INIT(&cp
->co_children
);
236 smb_sl_init(&cp
->co_interlock
, objname
);
237 lockinit(&cp
->co_lock
, objname
, 0, 0);
238 cp
->co_level
= level
;
240 smb_co_lock(cp
, LK_EXCLUSIVE
);
244 smb_co_done(struct smb_connobj
*cp
)
246 smb_sl_destroy(&cp
->co_interlock
);
247 lockdestroy(&cp
->co_lock
);
251 smb_co_gone(struct smb_connobj
*cp
, struct smb_cred
*scred
)
253 struct smb_connobj
*parent
;
256 cp
->co_gone(cp
, scred
);
257 parent
= cp
->co_parent
;
259 smb_co_lock(parent
, LK_EXCLUSIVE
);
260 SLIST_REMOVE(&parent
->co_children
, cp
, smb_connobj
, co_next
);
261 smb_co_put(parent
, scred
);
263 lockmgr(&cp
->co_lock
, LK_RELEASE
);
264 while (cp
->co_usecount
> 0) {
265 tsleep(&cp
->co_lock
, 0, "smbgone", hz
);
272 smb_co_ref(struct smb_connobj
*cp
)
280 smb_co_rele(struct smb_connobj
*cp
, struct smb_cred
*scred
)
283 if (cp
->co_usecount
> 1) {
288 if (cp
->co_usecount
<= 0) {
289 SMBERROR("negative use_count for object %d", cp
->co_level
);
294 if ((cp
->co_flags
& SMBO_GONE
) == 0) {
295 cp
->co_flags
|= SMBO_GONE
;
297 lockmgr(&cp
->co_lock
, LK_EXCLUSIVE
);
298 smb_co_gone(cp
, scred
);
301 wakeup(&cp
->co_lock
);
306 smb_co_get(struct smb_connobj
*cp
, int flags
, struct smb_cred
*scred
)
313 error
= smb_co_lock(cp
, flags
);
316 if (cp
->co_usecount
> 1) {
319 } else if (cp
->co_usecount
<= 0) {
320 SMBERROR("negative use_count for object %d", cp
->co_level
);
324 if ((cp
->co_flags
& SMBO_GONE
) == 0) {
325 cp
->co_flags
|= SMBO_GONE
;
327 lockmgr(&cp
->co_lock
, LK_EXCLUSIVE
);
328 smb_co_gone(cp
, scred
);
339 smb_co_put(struct smb_connobj
*cp
, struct smb_cred
*scred
)
342 if (cp
->co_usecount
> 1) {
345 lockmgr(&cp
->co_lock
, LK_RELEASE
);
348 if (cp
->co_usecount
<= 0) {
349 SMBERROR("negative use_count for object %d", cp
->co_level
);
354 if ((cp
->co_flags
& SMBO_GONE
) == 0) {
355 cp
->co_flags
|= SMBO_GONE
;
357 lockmgr(&cp
->co_lock
, LK_RELEASE
);
358 lockmgr(&cp
->co_lock
, LK_EXCLUSIVE
);
359 smb_co_gone(cp
, scred
);
362 lockmgr(&cp
->co_lock
, LK_RELEASE
);
363 wakeup(&cp
->co_lock
);
368 smb_co_lockstatus(struct smb_connobj
*cp
, struct thread
*td
)
370 return lockstatus(&cp
->co_lock
, td
);
374 smb_co_lock(struct smb_connobj
*cp
, int flags
)
378 KKASSERT(cp
->co_usecount
> 0);
379 if (cp
->co_flags
& SMBO_GONE
)
381 if ((flags
& LK_TYPE_MASK
) == 0)
382 flags
|= LK_EXCLUSIVE
;
383 if (smb_co_lockstatus(cp
, curthread
) == LK_EXCLUSIVE
&&
384 (flags
& LK_CANRECURSE
) == 0) {
385 SMBERROR("recursive lock for object %d\n", cp
->co_level
);
388 error
= lockmgr(&cp
->co_lock
, flags
);
389 if (error
== 0 && (cp
->co_flags
& SMBO_GONE
)) {
390 lockmgr(&cp
->co_lock
, LK_RELEASE
);
397 smb_co_unlock(struct smb_connobj
*cp
, int flags
)
399 lockmgr(&cp
->co_lock
, flags
| LK_RELEASE
);
403 smb_co_addchild(struct smb_connobj
*parent
, struct smb_connobj
*child
)
405 KASSERT(smb_co_lockstatus(parent
, curthread
) == LK_EXCLUSIVE
, ("smb_co_addchild: parent not locked"));
406 KASSERT(smb_co_lockstatus(child
, curthread
) == LK_EXCLUSIVE
, ("smb_co_addchild: child not locked"));
409 SLIST_INSERT_HEAD(&parent
->co_children
, child
, co_next
);
410 child
->co_parent
= parent
;
414 * Session implementation
418 smb_vc_create(struct smb_vcspec
*vcspec
,
419 struct smb_cred
*scred
, struct smb_vc
**vcpp
)
422 struct ucred
*cred
= scred
->scr_cred
;
423 uid_t uid
= vcspec
->owner
;
424 gid_t gid
= vcspec
->group
;
425 uid_t realuid
= cred
->cr_uid
;
426 char *domain
= vcspec
->domain
;
429 isroot
= smb_suser(cred
) == 0;
431 * Only superuser can create VCs with different uid and gid
433 if (uid
!= SMBM_ANY_OWNER
&& uid
!= realuid
&& !isroot
)
435 if (gid
!= SMBM_ANY_GROUP
&& !groupmember(gid
, cred
) && !isroot
)
438 vcp
= smb_zmalloc(sizeof(*vcp
), M_SMBCONN
, M_WAITOK
);
439 smb_co_init(VCTOCP(vcp
), SMBL_VC
, "smb_vc");
440 vcp
->obj
.co_free
= smb_vc_free
;
441 vcp
->obj
.co_gone
= smb_vc_gone
;
442 vcp
->vc_number
= smb_vcnext
++;
443 vcp
->vc_timo
= SMB_DEFRQTIMO
;
444 vcp
->vc_smbuid
= SMB_UID_UNKNOWN
;
445 vcp
->vc_mode
= vcspec
->rights
& SMBM_MASK
;
446 vcp
->obj
.co_flags
= vcspec
->flags
& (SMBV_PRIVATE
| SMBV_SINGLESHARE
);
447 vcp
->vc_tdesc
= &smb_tran_nbtcp_desc
;
449 if (uid
== SMBM_ANY_OWNER
)
451 if (gid
== SMBM_ANY_GROUP
)
452 gid
= cred
->cr_groups
[0];
456 smb_sl_init(&vcp
->vc_stlock
, "vcstlock");
459 vcp
->vc_paddr
= dup_sockaddr(vcspec
->sap
);
460 ierror(vcp
->vc_paddr
== NULL
, ENOMEM
);
462 vcp
->vc_laddr
= dup_sockaddr(vcspec
->lap
);
463 ierror(vcp
->vc_laddr
== NULL
, ENOMEM
);
465 ierror((vcp
->vc_pass
= smb_strdup(vcspec
->pass
)) == NULL
, ENOMEM
);
467 vcp
->vc_domain
= smb_strdup((domain
&& domain
[0]) ? domain
: "NODOMAIN");
468 ierror(vcp
->vc_domain
== NULL
, ENOMEM
);
470 ierror((vcp
->vc_srvname
= smb_strdup(vcspec
->srvname
)) == NULL
, ENOMEM
);
471 ierror((vcp
->vc_username
= smb_strdup(vcspec
->username
)) == NULL
, ENOMEM
);
473 ithrow(iconv_open("tolower", vcspec
->localcs
, &vcp
->vc_tolower
));
474 ithrow(iconv_open("toupper", vcspec
->localcs
, &vcp
->vc_toupper
));
475 if (vcspec
->servercs
[0]) {
476 ithrow(iconv_open(vcspec
->servercs
, vcspec
->localcs
,
478 ithrow(iconv_open(vcspec
->localcs
, vcspec
->servercs
,
482 ithrow(smb_iod_create(vcp
));
484 smb_co_addchild(&smb_vclist
, VCTOCP(vcp
));
486 smb_vc_put(vcp
, scred
);
493 smb_vc_free(struct smb_connobj
*cp
)
495 struct smb_vc
*vcp
= CPTOVC(cp
);
498 smb_iod_destroy(vcp
->vc_iod
);
499 SMB_STRFREE(vcp
->vc_username
);
500 SMB_STRFREE(vcp
->vc_srvname
);
501 SMB_STRFREE(vcp
->vc_pass
);
502 SMB_STRFREE(vcp
->vc_domain
);
504 kfree(vcp
->vc_paddr
, M_SONAME
);
506 kfree(vcp
->vc_laddr
, M_SONAME
);
508 iconv_close(vcp
->vc_tolower
);
510 iconv_close(vcp
->vc_toupper
);
512 iconv_close(vcp
->vc_tolocal
);
513 if (vcp
->vc_toserver
)
514 iconv_close(vcp
->vc_toserver
);
515 smb_co_done(VCTOCP(vcp
));
516 smb_sl_destroy(&vcp
->vc_stlock
);
517 kfree(vcp
, M_SMBCONN
);
521 * Called when use count of VC dropped to zero.
524 smb_vc_gone(struct smb_connobj
*cp
, struct smb_cred
*scred
)
526 struct smb_vc
*vcp
= CPTOVC(cp
);
528 smb_vc_disconnect(vcp
);
532 smb_vc_ref(struct smb_vc
*vcp
)
534 smb_co_ref(VCTOCP(vcp
));
538 smb_vc_rele(struct smb_vc
*vcp
, struct smb_cred
*scred
)
540 smb_co_rele(VCTOCP(vcp
), scred
);
544 smb_vc_get(struct smb_vc
*vcp
, int flags
, struct smb_cred
*scred
)
546 return smb_co_get(VCTOCP(vcp
), flags
, scred
);
550 smb_vc_put(struct smb_vc
*vcp
, struct smb_cred
*scred
)
552 smb_co_put(VCTOCP(vcp
), scred
);
556 smb_vc_lock(struct smb_vc
*vcp
, int flags
)
558 return smb_co_lock(VCTOCP(vcp
), flags
);
562 smb_vc_unlock(struct smb_vc
*vcp
, int flags
)
564 smb_co_unlock(VCTOCP(vcp
), flags
);
568 smb_vc_access(struct smb_vc
*vcp
, struct smb_cred
*scred
, mode_t mode
)
570 struct ucred
*cred
= scred
->scr_cred
;
572 if (smb_suser(cred
) == 0 || cred
->cr_uid
== vcp
->vc_uid
)
575 if (!groupmember(vcp
->vc_grp
, cred
))
577 return (vcp
->vc_mode
& mode
) == mode
? 0 : EACCES
;
581 smb_vc_cmpshare(struct smb_share
*ssp
, struct smb_sharespec
*dp
)
585 if (strcmp(ssp
->ss_name
, dp
->name
) != 0)
587 if (dp
->owner
!= SMBM_ANY_OWNER
) {
588 if (ssp
->ss_uid
!= dp
->owner
)
592 if (dp
->group
!= SMBM_ANY_GROUP
) {
593 if (ssp
->ss_grp
!= dp
->group
)
598 if (dp
->mode
& SMBM_EXACT
) {
601 return (dp
->mode
& SMBM_MASK
) == ssp
->ss_mode
? 0 : 1;
603 if (smb_share_access(ssp
, dp
->scred
, dp
->mode
) != 0)
609 * Lookup share in the given VC. Share referenced and locked on return.
610 * VC expected to be locked on entry and will be left locked on exit.
613 smb_vc_lookupshare(struct smb_vc
*vcp
, struct smb_sharespec
*dp
,
614 struct smb_cred
*scred
, struct smb_share
**sspp
)
616 struct smb_connobj
*scp
= NULL
;
617 struct smb_share
*ssp
= NULL
;
622 SMBCO_FOREACH(scp
, VCTOCP(vcp
)) {
623 ssp
= (struct smb_share
*)scp
;
624 error
= smb_share_lock(ssp
, LK_EXCLUSIVE
);
627 if (smb_vc_cmpshare(ssp
, dp
) == 0)
629 smb_share_unlock(ssp
, 0);
641 smb_vc_connect(struct smb_vc
*vcp
, struct smb_cred
*scred
)
644 return smb_iod_request(vcp
->vc_iod
, SMBIOD_EV_CONNECT
| SMBIOD_EV_SYNC
, NULL
);
648 * Destroy VC to server, invalidate shares linked with it.
649 * Transport should be locked on entry.
652 smb_vc_disconnect(struct smb_vc
*vcp
)
655 smb_iod_request(vcp
->vc_iod
, SMBIOD_EV_DISCONNECT
| SMBIOD_EV_SYNC
, NULL
);
659 static char smb_emptypass
[] = "";
662 smb_vc_getpass(struct smb_vc
*vcp
)
666 return smb_emptypass
;
670 smb_vc_getinfo(struct smb_vc
*vcp
, struct smb_vc_info
*vip
)
672 bzero(vip
, sizeof(struct smb_vc_info
));
673 vip
->itype
= SMB_INFO_VC
;
674 vip
->usecount
= vcp
->obj
.co_usecount
;
675 vip
->uid
= vcp
->vc_uid
;
676 vip
->gid
= vcp
->vc_grp
;
677 vip
->mode
= vcp
->vc_mode
;
678 vip
->flags
= vcp
->obj
.co_flags
;
679 vip
->sopt
= vcp
->vc_sopt
;
680 vip
->iodstate
= vcp
->vc_iod
->iod_state
;
681 bzero(&vip
->sopt
.sv_skey
, sizeof(vip
->sopt
.sv_skey
));
682 ksnprintf(vip
->srvname
, sizeof(vip
->srvname
), "%s", vcp
->vc_srvname
);
683 ksnprintf(vip
->vcname
, sizeof(vip
->vcname
), "%s", vcp
->vc_username
);
688 smb_vc_nextmid(struct smb_vc
*vcp
)
692 SMB_CO_LOCK(&vcp
->obj
);
694 SMB_CO_UNLOCK(&vcp
->obj
);
699 * Share implementation
702 * Allocate share structure and attach it to the given VC
703 * Connection expected to be locked on entry. Share will be returned
707 smb_share_create(struct smb_vc
*vcp
, struct smb_sharespec
*shspec
,
708 struct smb_cred
*scred
, struct smb_share
**sspp
)
710 struct smb_share
*ssp
;
711 struct ucred
*cred
= scred
->scr_cred
;
712 uid_t realuid
= cred
->cr_uid
;
713 uid_t uid
= shspec
->owner
;
714 gid_t gid
= shspec
->group
;
717 isroot
= smb_suser(cred
) == 0;
719 * Only superuser can create shares with different uid and gid
721 if (uid
!= SMBM_ANY_OWNER
&& uid
!= realuid
&& !isroot
)
723 if (gid
!= SMBM_ANY_GROUP
&& !groupmember(gid
, cred
) && !isroot
)
725 error
= smb_vc_lookupshare(vcp
, shspec
, scred
, &ssp
);
727 smb_share_put(ssp
, scred
);
730 if (uid
== SMBM_ANY_OWNER
)
732 if (gid
== SMBM_ANY_GROUP
)
733 gid
= cred
->cr_groups
[0];
734 ssp
= smb_zmalloc(sizeof(*ssp
), M_SMBCONN
, M_WAITOK
);
735 smb_co_init(SSTOCP(ssp
), SMBL_SHARE
, "smbss");
736 ssp
->obj
.co_free
= smb_share_free
;
737 ssp
->obj
.co_gone
= smb_share_gone
;
738 smb_sl_init(&ssp
->ss_stlock
, "ssstlock");
739 ssp
->ss_name
= smb_strdup(shspec
->name
);
740 if (shspec
->pass
&& shspec
->pass
[0])
741 ssp
->ss_pass
= smb_strdup(shspec
->pass
);
742 ssp
->ss_type
= shspec
->stype
;
743 ssp
->ss_tid
= SMB_TID_UNKNOWN
;
746 ssp
->ss_mode
= shspec
->rights
& SMBM_MASK
;
747 smb_co_addchild(VCTOCP(vcp
), SSTOCP(ssp
));
753 smb_share_free(struct smb_connobj
*cp
)
755 struct smb_share
*ssp
= CPTOSS(cp
);
757 SMB_STRFREE(ssp
->ss_name
);
758 SMB_STRFREE(ssp
->ss_pass
);
759 smb_sl_destroy(&ssp
->ss_stlock
);
760 smb_co_done(SSTOCP(ssp
));
761 kfree(ssp
, M_SMBCONN
);
765 smb_share_gone(struct smb_connobj
*cp
, struct smb_cred
*scred
)
767 struct smb_share
*ssp
= CPTOSS(cp
);
769 smb_smb_treedisconnect(ssp
, scred
);
773 smb_share_ref(struct smb_share
*ssp
)
775 smb_co_ref(SSTOCP(ssp
));
779 smb_share_rele(struct smb_share
*ssp
, struct smb_cred
*scred
)
781 smb_co_rele(SSTOCP(ssp
), scred
);
785 smb_share_get(struct smb_share
*ssp
, int flags
, struct smb_cred
*scred
)
787 return smb_co_get(SSTOCP(ssp
), flags
, scred
);
791 smb_share_put(struct smb_share
*ssp
, struct smb_cred
*scred
)
793 smb_co_put(SSTOCP(ssp
), scred
);
797 smb_share_lock(struct smb_share
*ssp
, int flags
)
799 return smb_co_lock(SSTOCP(ssp
), flags
);
803 smb_share_unlock(struct smb_share
*ssp
, int flags
)
805 smb_co_unlock(SSTOCP(ssp
), flags
);
809 smb_share_access(struct smb_share
*ssp
, struct smb_cred
*scred
, mode_t mode
)
811 struct ucred
*cred
= scred
->scr_cred
;
813 if (smb_suser(cred
) == 0 || cred
->cr_uid
== ssp
->ss_uid
)
816 if (!groupmember(ssp
->ss_grp
, cred
))
818 return (ssp
->ss_mode
& mode
) == mode
? 0 : EACCES
;
822 smb_share_invalidate(struct smb_share
*ssp
)
824 ssp
->ss_tid
= SMB_TID_UNKNOWN
;
828 smb_share_valid(struct smb_share
*ssp
)
830 return ssp
->ss_tid
!= SMB_TID_UNKNOWN
&&
831 ssp
->ss_vcgenid
== SSTOVC(ssp
)->vc_genid
;
835 smb_share_getpass(struct smb_share
*ssp
)
844 return smb_emptypass
;
848 smb_share_getinfo(struct smb_share
*ssp
, struct smb_share_info
*sip
)
850 bzero(sip
, sizeof(struct smb_share_info
));
851 sip
->itype
= SMB_INFO_SHARE
;
852 sip
->usecount
= ssp
->obj
.co_usecount
;
853 sip
->tid
= ssp
->ss_tid
;
854 sip
->type
= ssp
->ss_type
;
855 sip
->uid
= ssp
->ss_uid
;
856 sip
->gid
= ssp
->ss_grp
;
857 sip
->mode
= ssp
->ss_mode
;
858 sip
->flags
= ssp
->obj
.co_flags
;
859 ksnprintf(sip
->sname
, sizeof(sip
->sname
), "%s", ssp
->ss_name
);
864 * Dump an entire tree into sysctl call
867 smb_sysctl_treedump(SYSCTL_HANDLER_ARGS
)
869 struct thread
*td
= req
->td
;
871 struct smb_cred scred
;
872 struct smb_connobj
*scp1
, *scp2
;
874 struct smb_share
*ssp
;
875 struct smb_vc_info vci
;
876 struct smb_share_info ssi
;
879 KKASSERT(td
->td_proc
);
880 ucred
= td
->td_proc
->p_ucred
;
882 smb_makescred(&scred
, td
, ucred
);
883 error
= smb_sm_lockvclist(LK_SHARED
);
886 SMBCO_FOREACH(scp1
, &smb_vclist
) {
887 vcp
= (struct smb_vc
*)scp1
;
888 error
= smb_vc_lock(vcp
, LK_SHARED
);
891 smb_vc_getinfo(vcp
, &vci
);
892 error
= SYSCTL_OUT(req
, &vci
, sizeof(struct smb_vc_info
));
894 smb_vc_unlock(vcp
, 0);
897 SMBCO_FOREACH(scp2
, VCTOCP(vcp
)) {
898 ssp
= (struct smb_share
*)scp2
;
899 error
= smb_share_lock(ssp
, LK_SHARED
);
904 smb_share_getinfo(ssp
, &ssi
);
905 smb_share_unlock(ssp
, 0);
906 error
= SYSCTL_OUT(req
, &ssi
, sizeof(struct smb_share_info
));
910 smb_vc_unlock(vcp
, 0);
915 itype
= SMB_INFO_NONE
;
916 error
= SYSCTL_OUT(req
, &itype
, sizeof(itype
));
918 smb_sm_unlockvclist();