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 1.6 2003/11/10 06:12:16 dillon Exp $
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
46 #include <sys/sysctl.h>
47 #include <sys/socketvar.h>
49 #include <sys/iconv.h>
55 #include "smb_trantcp.h"
57 static struct smb_connobj smb_vclist;
58 static int smb_vcnext = 1; /* next unique id for VC */
60 SYSCTL_NODE(_net, OID_AUTO, smb, CTLFLAG_RW, NULL, "SMB protocol");
62 MALLOC_DEFINE(M_SMBCONN, "SMB conn", "SMB connection");
64 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);
72 static smb_co_free_t smb_share_free;
73 static smb_co_gone_t smb_share_gone;
75 static int smb_sysctl_treedump(SYSCTL_HANDLER_ARGS);
77 SYSCTL_PROC(_net_smb, OID_AUTO, treedump, CTLFLAG_RD | CTLTYPE_OPAQUE,
78 NULL, 0, smb_sysctl_treedump, "S,treedump", "Requester tree");
84 smb_co_init(&smb_vclist, SMBL_SM, "smbsm", curthread);
85 smb_co_unlock(&smb_vclist, 0, curthread);
93 /* XXX: hold the mutex */
94 if (smb_vclist.co_usecount > 1) {
95 SMBERROR("%d connections still active\n", smb_vclist.co_usecount - 1);
98 smb_co_done(&smb_vclist);
103 smb_sm_lockvclist(int flags, struct thread *td)
105 return smb_co_lock(&smb_vclist, flags | LK_CANRECURSE, td);
109 smb_sm_unlockvclist(struct thread *td)
111 smb_co_unlock(&smb_vclist, LK_RELEASE, td);
115 smb_sm_lookupint(struct smb_vcspec *vcspec, struct smb_sharespec *shspec,
116 struct smb_cred *scred, struct smb_vc **vcpp)
118 struct thread *td = scred->scr_td;
123 vcspec->shspec = shspec;
125 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
126 error = smb_vc_lock(vcp, LK_EXCLUSIVE, td);
130 if ((vcp->obj.co_flags & SMBV_PRIVATE) ||
131 !CONNADDREQ(vcp->vc_paddr, vcspec->sap) ||
132 strcmp(vcp->vc_username, vcspec->username) != 0)
134 if (vcspec->owner != SMBM_ANY_OWNER) {
135 if (vcp->vc_uid != vcspec->owner)
139 if (vcspec->group != SMBM_ANY_GROUP) {
140 if (vcp->vc_grp != vcspec->group)
145 if (vcspec->mode & SMBM_EXACT) {
147 (vcspec->mode & SMBM_MASK) != vcp->vc_mode)
150 if (smb_vc_access(vcp, scred, vcspec->mode) != 0)
154 ithrow(smb_vc_lookupshare(vcp, shspec, scred, &vcspec->ssp));
158 smb_vc_unlock(vcp, 0, td);
172 smb_sm_lookup(struct smb_vcspec *vcspec, struct smb_sharespec *shspec,
173 struct smb_cred *scred, struct smb_vc **vcpp)
175 struct thread *td = scred->scr_td;
177 struct smb_share *ssp = NULL;
182 error = smb_sm_lockvclist(LK_EXCLUSIVE, td);
185 error = smb_sm_lookupint(vcspec, shspec, scred, vcpp);
186 if (error == 0 || (vcspec->flags & SMBV_CREATE) == 0) {
187 smb_sm_unlockvclist(td);
190 error = smb_sm_lookupint(vcspec, NULL, scred, &vcp);
192 error = smb_vc_create(vcspec, scred, &vcp);
195 error = smb_vc_connect(vcp, scred);
201 error = smb_share_create(vcp, shspec, scred, &ssp);
204 error = smb_smb_treeconnect(ssp, scred);
208 smb_share_put(ssp, scred);
210 smb_sm_unlockvclist(td);
214 smb_vc_put(vcp, scred);
219 * Common code for connection object
222 smb_co_init(struct smb_connobj *cp, int level, char *objname, struct thread *td)
224 SLIST_INIT(&cp->co_children);
225 smb_sl_init(&cp->co_interlock, objname);
226 lockinit(&cp->co_lock, 0, objname, 0, 0);
227 cp->co_level = level;
229 KASSERT(smb_co_lock(cp, LK_EXCLUSIVE, td) == 0,
230 ("smb_co_init: lock failed"));
234 smb_co_done(struct smb_connobj *cp)
236 smb_sl_destroy(&cp->co_interlock);
237 lockdestroy(&cp->co_lock);
241 smb_co_gone(struct smb_connobj *cp, struct smb_cred *scred)
243 struct smb_connobj *parent;
246 cp->co_gone(cp, scred);
247 parent = cp->co_parent;
249 smb_co_lock(parent, LK_EXCLUSIVE, scred->scr_td);
250 SLIST_REMOVE(&parent->co_children, cp, smb_connobj, co_next);
251 smb_co_put(parent, scred);
258 smb_co_ref(struct smb_connobj *cp, struct thread *td)
267 smb_co_rele(struct smb_connobj *cp, struct smb_cred *scred)
269 struct thread *td = scred->scr_td;
272 if (cp->co_usecount > 1) {
277 if (cp->co_usecount == 0) {
278 SMBERROR("negative use_count for object %d", cp->co_level);
283 cp->co_flags |= SMBO_GONE;
285 lockmgr(&cp->co_lock, LK_DRAIN | LK_INTERLOCK, &cp->co_interlock, td);
286 smb_co_gone(cp, scred);
290 smb_co_get(struct smb_connobj *cp, int flags, struct smb_cred *scred)
294 if ((flags & LK_INTERLOCK) == 0)
297 error = smb_co_lock(cp, flags | LK_INTERLOCK, scred->scr_td);
308 smb_co_put(struct smb_connobj *cp, struct smb_cred *scred)
310 struct thread *td = scred->scr_td;
315 if (cp->co_usecount > 1) {
317 } else if (cp->co_usecount == 1) {
319 cp->co_flags |= SMBO_GONE;
322 SMBERROR("negative usecount");
324 lockmgr(&cp->co_lock, LK_RELEASE | LK_INTERLOCK, &cp->co_interlock, td);
325 if ((cp->co_flags & SMBO_GONE) == 0)
327 lockmgr(&cp->co_lock, LK_DRAIN, NULL, td);
328 smb_co_gone(cp, scred);
332 smb_co_lockstatus(struct smb_connobj *cp, struct thread *td)
334 return lockstatus(&cp->co_lock, td);
338 smb_co_lock(struct smb_connobj *cp, int flags, struct thread *td)
341 if (cp->co_flags & SMBO_GONE)
343 if ((flags & LK_TYPE_MASK) == 0)
344 flags |= LK_EXCLUSIVE;
345 if (smb_co_lockstatus(cp, td) == LK_EXCLUSIVE &&
346 (flags & LK_CANRECURSE) == 0) {
347 SMBERROR("recursive lock for object %d\n", cp->co_level);
350 return lockmgr(&cp->co_lock, flags, &cp->co_interlock, td);
354 smb_co_unlock(struct smb_connobj *cp, int flags, struct thread *td)
356 (void)lockmgr(&cp->co_lock, flags | LK_RELEASE, &cp->co_interlock, td);
360 smb_co_addchild(struct smb_connobj *parent, struct smb_connobj *child)
362 KASSERT(smb_co_lockstatus(parent, curthread) == LK_EXCLUSIVE, ("smb_co_addchild: parent not locked"));
363 KASSERT(smb_co_lockstatus(child, curthread) == LK_EXCLUSIVE, ("smb_co_addchild: child not locked"));
365 smb_co_ref(parent, curthread);
366 SLIST_INSERT_HEAD(&parent->co_children, child, co_next);
367 child->co_parent = parent;
371 * Session implementation
375 smb_vc_create(struct smb_vcspec *vcspec,
376 struct smb_cred *scred, struct smb_vc **vcpp)
379 struct thread *td = scred->scr_td;
380 struct ucred *cred = scred->scr_cred;
381 uid_t uid = vcspec->owner;
382 gid_t gid = vcspec->group;
383 uid_t realuid = cred->cr_uid;
384 char *domain = vcspec->domain;
387 isroot = smb_suser(cred) == 0;
389 * Only superuser can create VCs with different uid and gid
391 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
393 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
396 vcp = smb_zmalloc(sizeof(*vcp), M_SMBCONN, M_WAITOK);
397 smb_co_init(VCTOCP(vcp), SMBL_VC, "smb_vc", td);
398 vcp->obj.co_free = smb_vc_free;
399 vcp->obj.co_gone = smb_vc_gone;
400 vcp->vc_number = smb_vcnext++;
401 vcp->vc_timo = SMB_DEFRQTIMO;
402 vcp->vc_smbuid = SMB_UID_UNKNOWN;
403 vcp->vc_mode = vcspec->rights & SMBM_MASK;
404 vcp->obj.co_flags = vcspec->flags & (SMBV_PRIVATE | SMBV_SINGLESHARE);
405 vcp->vc_tdesc = &smb_tran_nbtcp_desc;
407 if (uid == SMBM_ANY_OWNER)
409 if (gid == SMBM_ANY_GROUP)
410 gid = cred->cr_groups[0];
414 smb_sl_init(&vcp->vc_stlock, "vcstlock");
417 vcp->vc_paddr = dup_sockaddr(vcspec->sap, 1);
418 ierror(vcp->vc_paddr == NULL, ENOMEM);
420 vcp->vc_laddr = dup_sockaddr(vcspec->lap, 1);
421 ierror(vcp->vc_laddr == NULL, ENOMEM);
423 ierror((vcp->vc_pass = smb_strdup(vcspec->pass)) == NULL, ENOMEM);
425 vcp->vc_domain = smb_strdup((domain && domain[0]) ? domain : "NODOMAIN");
426 ierror(vcp->vc_domain == NULL, ENOMEM);
428 ierror((vcp->vc_srvname = smb_strdup(vcspec->srvname)) == NULL, ENOMEM);
429 ierror((vcp->vc_username = smb_strdup(vcspec->username)) == NULL, ENOMEM);
431 ithrow(iconv_open("tolower", vcspec->localcs, &vcp->vc_tolower));
432 ithrow(iconv_open("toupper", vcspec->localcs, &vcp->vc_toupper));
433 if (vcspec->servercs[0]) {
434 ithrow(iconv_open(vcspec->servercs, vcspec->localcs,
436 ithrow(iconv_open(vcspec->localcs, vcspec->servercs,
440 ithrow(smb_iod_create(vcp));
442 smb_co_addchild(&smb_vclist, VCTOCP(vcp));
444 smb_vc_put(vcp, scred);
451 smb_vc_free(struct smb_connobj *cp)
453 struct smb_vc *vcp = CPTOVC(cp);
456 smb_iod_destroy(vcp->vc_iod);
457 SMB_STRFREE(vcp->vc_username);
458 SMB_STRFREE(vcp->vc_srvname);
459 SMB_STRFREE(vcp->vc_pass);
460 SMB_STRFREE(vcp->vc_domain);
462 free(vcp->vc_paddr, M_SONAME);
464 free(vcp->vc_laddr, M_SONAME);
466 iconv_close(vcp->vc_tolower);
468 iconv_close(vcp->vc_toupper);
470 iconv_close(vcp->vc_tolocal);
471 if (vcp->vc_toserver)
472 iconv_close(vcp->vc_toserver);
473 smb_co_done(VCTOCP(vcp));
474 smb_sl_destroy(&vcp->vc_stlock);
475 free(vcp, M_SMBCONN);
479 * Called when use count of VC dropped to zero.
480 * VC should be locked on enter with LK_DRAIN.
483 smb_vc_gone(struct smb_connobj *cp, struct smb_cred *scred)
485 struct smb_vc *vcp = CPTOVC(cp);
487 smb_vc_disconnect(vcp);
491 smb_vc_ref(struct smb_vc *vcp, struct thread *td)
493 smb_co_ref(VCTOCP(vcp), td);
497 smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred)
499 smb_co_rele(VCTOCP(vcp), scred);
503 smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred)
505 return smb_co_get(VCTOCP(vcp), flags, scred);
509 smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred)
511 smb_co_put(VCTOCP(vcp), scred);
515 smb_vc_lock(struct smb_vc *vcp, int flags, struct thread *td)
517 return smb_co_lock(VCTOCP(vcp), flags, td);
521 smb_vc_unlock(struct smb_vc *vcp, int flags, struct thread *td)
523 smb_co_unlock(VCTOCP(vcp), flags, td);
527 smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode)
529 struct ucred *cred = scred->scr_cred;
531 if (smb_suser(cred) == 0 || cred->cr_uid == vcp->vc_uid)
534 if (!groupmember(vcp->vc_grp, cred))
536 return (vcp->vc_mode & mode) == mode ? 0 : EACCES;
540 smb_vc_cmpshare(struct smb_share *ssp, struct smb_sharespec *dp)
544 if (strcmp(ssp->ss_name, dp->name) != 0)
546 if (dp->owner != SMBM_ANY_OWNER) {
547 if (ssp->ss_uid != dp->owner)
551 if (dp->group != SMBM_ANY_GROUP) {
552 if (ssp->ss_grp != dp->group)
557 if (dp->mode & SMBM_EXACT) {
560 return (dp->mode & SMBM_MASK) == ssp->ss_mode ? 0 : 1;
562 if (smb_share_access(ssp, dp->scred, dp->mode) != 0)
568 * Lookup share in the given VC. Share referenced and locked on return.
569 * VC expected to be locked on entry and will be left locked on exit.
572 smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *dp,
573 struct smb_cred *scred, struct smb_share **sspp)
575 struct thread *td = scred->scr_td;
576 struct smb_share *ssp = NULL;
581 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
582 error = smb_share_lock(ssp, LK_EXCLUSIVE, td);
585 if (smb_vc_cmpshare(ssp, dp) == 0)
587 smb_share_unlock(ssp, 0, td);
590 smb_share_ref(ssp, td);
599 smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred)
602 return smb_iod_request(vcp->vc_iod, SMBIOD_EV_CONNECT | SMBIOD_EV_SYNC, NULL);
606 * Destroy VC to server, invalidate shares linked with it.
607 * Transport should be locked on entry.
610 smb_vc_disconnect(struct smb_vc *vcp)
613 smb_iod_request(vcp->vc_iod, SMBIOD_EV_DISCONNECT | SMBIOD_EV_SYNC, NULL);
617 static char smb_emptypass[] = "";
620 smb_vc_getpass(struct smb_vc *vcp)
624 return smb_emptypass;
628 smb_vc_getinfo(struct smb_vc *vcp, struct smb_vc_info *vip)
630 bzero(vip, sizeof(struct smb_vc_info));
631 vip->itype = SMB_INFO_VC;
632 vip->usecount = vcp->obj.co_usecount;
633 vip->uid = vcp->vc_uid;
634 vip->gid = vcp->vc_grp;
635 vip->mode = vcp->vc_mode;
636 vip->flags = vcp->obj.co_flags;
637 vip->sopt = vcp->vc_sopt;
638 vip->iodstate = vcp->vc_iod->iod_state;
639 bzero(&vip->sopt.sv_skey, sizeof(vip->sopt.sv_skey));
640 snprintf(vip->srvname, sizeof(vip->srvname), "%s", vcp->vc_srvname);
641 snprintf(vip->vcname, sizeof(vip->vcname), "%s", vcp->vc_username);
646 smb_vc_nextmid(struct smb_vc *vcp)
650 SMB_CO_LOCK(&vcp->obj);
652 SMB_CO_UNLOCK(&vcp->obj);
657 * Share implementation
660 * Allocate share structure and attach it to the given VC
661 * Connection expected to be locked on entry. Share will be returned
665 smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
666 struct smb_cred *scred, struct smb_share **sspp)
668 struct smb_share *ssp;
669 struct thread *td = scred->scr_td;
670 struct ucred *cred = scred->scr_cred;
671 uid_t realuid = cred->cr_uid;
672 uid_t uid = shspec->owner;
673 gid_t gid = shspec->group;
676 isroot = smb_suser(cred) == 0;
678 * Only superuser can create shares with different uid and gid
680 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
682 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
684 error = smb_vc_lookupshare(vcp, shspec, scred, &ssp);
686 smb_share_put(ssp, scred);
689 if (uid == SMBM_ANY_OWNER)
691 if (gid == SMBM_ANY_GROUP)
692 gid = cred->cr_groups[0];
693 ssp = smb_zmalloc(sizeof(*ssp), M_SMBCONN, M_WAITOK);
694 smb_co_init(SSTOCP(ssp), SMBL_SHARE, "smbss", td);
695 ssp->obj.co_free = smb_share_free;
696 ssp->obj.co_gone = smb_share_gone;
697 smb_sl_init(&ssp->ss_stlock, "ssstlock");
698 ssp->ss_name = smb_strdup(shspec->name);
699 if (shspec->pass && shspec->pass[0])
700 ssp->ss_pass = smb_strdup(shspec->pass);
701 ssp->ss_type = shspec->stype;
702 ssp->ss_tid = SMB_TID_UNKNOWN;
705 ssp->ss_mode = shspec->rights & SMBM_MASK;
706 smb_co_addchild(VCTOCP(vcp), SSTOCP(ssp));
712 smb_share_free(struct smb_connobj *cp)
714 struct smb_share *ssp = CPTOSS(cp);
716 SMB_STRFREE(ssp->ss_name);
717 SMB_STRFREE(ssp->ss_pass);
718 smb_sl_destroy(&ssp->ss_stlock);
719 smb_co_done(SSTOCP(ssp));
720 free(ssp, M_SMBCONN);
724 smb_share_gone(struct smb_connobj *cp, struct smb_cred *scred)
726 struct smb_share *ssp = CPTOSS(cp);
728 smb_smb_treedisconnect(ssp, scred);
732 smb_share_ref(struct smb_share *ssp, struct thread *td)
734 smb_co_ref(SSTOCP(ssp), td);
738 smb_share_rele(struct smb_share *ssp, struct smb_cred *scred)
740 smb_co_rele(SSTOCP(ssp), scred);
744 smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred)
746 return smb_co_get(SSTOCP(ssp), flags, scred);
750 smb_share_put(struct smb_share *ssp, struct smb_cred *scred)
752 smb_co_put(SSTOCP(ssp), scred);
756 smb_share_lock(struct smb_share *ssp, int flags, struct thread *td)
758 return smb_co_lock(SSTOCP(ssp), flags, td);
762 smb_share_unlock(struct smb_share *ssp, int flags, struct thread *td)
764 smb_co_unlock(SSTOCP(ssp), flags, td);
768 smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode)
770 struct ucred *cred = scred->scr_cred;
772 if (smb_suser(cred) == 0 || cred->cr_uid == ssp->ss_uid)
775 if (!groupmember(ssp->ss_grp, cred))
777 return (ssp->ss_mode & mode) == mode ? 0 : EACCES;
781 smb_share_invalidate(struct smb_share *ssp)
783 ssp->ss_tid = SMB_TID_UNKNOWN;
787 smb_share_valid(struct smb_share *ssp)
789 return ssp->ss_tid != SMB_TID_UNKNOWN &&
790 ssp->ss_vcgenid == SSTOVC(ssp)->vc_genid;
794 smb_share_getpass(struct smb_share *ssp)
803 return smb_emptypass;
807 smb_share_getinfo(struct smb_share *ssp, struct smb_share_info *sip)
809 bzero(sip, sizeof(struct smb_share_info));
810 sip->itype = SMB_INFO_SHARE;
811 sip->usecount = ssp->obj.co_usecount;
812 sip->tid = ssp->ss_tid;
813 sip->type= ssp->ss_type;
814 sip->uid = ssp->ss_uid;
815 sip->gid = ssp->ss_grp;
816 sip->mode= ssp->ss_mode;
817 sip->flags = ssp->obj.co_flags;
818 snprintf(sip->sname, sizeof(sip->sname), "%s", ssp->ss_name);
823 * Dump an entire tree into sysctl call
826 smb_sysctl_treedump(SYSCTL_HANDLER_ARGS)
828 struct thread *td = req->td;
830 struct smb_cred scred;
832 struct smb_share *ssp;
833 struct smb_vc_info vci;
834 struct smb_share_info ssi;
837 KKASSERT(td->td_proc);
838 ucred = td->td_proc->p_ucred;
840 smb_makescred(&scred, td, ucred);
841 error = smb_sm_lockvclist(LK_SHARED, td);
844 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
845 error = smb_vc_lock(vcp, LK_SHARED, td);
848 smb_vc_getinfo(vcp, &vci);
849 error = SYSCTL_OUT(req, &vci, sizeof(struct smb_vc_info));
851 smb_vc_unlock(vcp, 0, td);
854 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
855 error = smb_share_lock(ssp, LK_SHARED, td);
860 smb_share_getinfo(ssp, &ssi);
861 smb_share_unlock(ssp, 0, td);
862 error = SYSCTL_OUT(req, &ssi, sizeof(struct smb_share_info));
866 smb_vc_unlock(vcp, 0, td);
871 itype = SMB_INFO_NONE;
872 error = SYSCTL_OUT(req, &itype, sizeof(itype));
874 smb_sm_unlockvclist(td);