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
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
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>
51 #include <netsmb/smb.h>
52 #include <netsmb/smb_subr.h>
53 #include <netsmb/smb_conn.h>
54 #include <netsmb/smb_tran.h>
55 #include <netsmb/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)
106 return smb_co_lock(&smb_vclist, flags | LK_CANRECURSE, td);
110 smb_sm_unlockvclist(struct thread *td)
113 smb_co_unlock(&smb_vclist, LK_RELEASE, td);
117 smb_sm_lookupint(struct smb_vcspec *vcspec, struct smb_sharespec *shspec,
118 struct smb_cred *scred, struct smb_vc **vcpp)
120 struct thread *td = scred->scr_td;
125 vcspec->shspec = shspec;
127 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
128 error = smb_vc_lock(vcp, LK_EXCLUSIVE, td);
132 if ((vcp->obj.co_flags & SMBV_PRIVATE) ||
133 !CONNADDREQ(vcp->vc_paddr, vcspec->sap) ||
134 strcmp(vcp->vc_username, vcspec->username) != 0)
136 if (vcspec->owner != SMBM_ANY_OWNER) {
137 if (vcp->vc_uid != vcspec->owner)
141 if (vcspec->group != SMBM_ANY_GROUP) {
142 if (vcp->vc_grp != vcspec->group)
146 if (vcspec->mode & SMBM_EXACT) {
147 if (!exact || (vcspec->mode & SMBM_MASK) !=
151 if (smb_vc_access(vcp, scred, vcspec->mode) != 0)
155 error = (int)smb_vc_lookupshare(vcp, shspec, scred,
165 smb_vc_unlock(vcp, 0, td);
175 smb_sm_lookup(struct smb_vcspec *vcspec, struct smb_sharespec *shspec,
176 struct smb_cred *scred, struct smb_vc **vcpp)
178 struct thread *td = scred->scr_td;
180 struct smb_share *ssp = NULL;
185 error = smb_sm_lockvclist(LK_EXCLUSIVE, td);
188 error = smb_sm_lookupint(vcspec, shspec, scred, vcpp);
189 if (error == 0 || (vcspec->flags & SMBV_CREATE) == 0) {
190 smb_sm_unlockvclist(td);
193 error = smb_sm_lookupint(vcspec, NULL, scred, &vcp);
195 error = smb_vc_create(vcspec, scred, &vcp);
198 error = smb_vc_connect(vcp, scred);
204 error = smb_share_create(vcp, shspec, scred, &ssp);
207 error = smb_smb_treeconnect(ssp, scred);
211 smb_share_put(ssp, scred);
213 smb_sm_unlockvclist(td);
217 smb_vc_put(vcp, scred);
222 * Common code for connection object
225 smb_co_init(struct smb_connobj *cp, int level, char *objname, struct thread *td)
227 SLIST_INIT(&cp->co_children);
228 smb_sl_init(&cp->co_interlock, objname);
229 lockinit(&cp->co_lock, PZERO, objname, 0, 0);
230 cp->co_level = level;
232 KASSERT(smb_co_lock(cp, LK_EXCLUSIVE, td) == 0, ("smb_co_init: lock failed"));
236 smb_co_done(struct smb_connobj *cp)
238 smb_sl_destroy(&cp->co_interlock);
239 lockdestroy(&cp->co_lock);
243 smb_co_gone(struct smb_connobj *cp, struct smb_cred *scred)
245 struct smb_connobj *parent;
248 cp->co_gone(cp, scred);
249 parent = cp->co_parent;
251 smb_co_lock(parent, LK_EXCLUSIVE, scred->scr_td);
252 SLIST_REMOVE(&parent->co_children, cp, smb_connobj, co_next);
253 smb_co_put(parent, scred);
260 smb_co_ref(struct smb_connobj *cp)
269 smb_co_rele(struct smb_connobj *cp, struct smb_cred *scred)
271 struct thread *td = scred->scr_td;
274 if (cp->co_usecount > 1) {
279 if (cp->co_usecount == 0) {
280 SMBERROR("negative use_count for object %d", cp->co_level);
285 cp->co_flags |= SMBO_GONE;
287 lockmgr(&cp->co_lock, LK_DRAIN | LK_INTERLOCK, &cp->co_interlock, td);
288 smb_co_gone(cp, scred);
292 smb_co_get(struct smb_connobj *cp, int flags, struct smb_cred *scred)
296 if ((flags & LK_INTERLOCK) == 0)
299 error = smb_co_lock(cp, flags | LK_INTERLOCK, scred->scr_td);
310 smb_co_put(struct smb_connobj *cp, struct smb_cred *scred)
312 struct thread *td = scred->scr_td;
317 if (cp->co_usecount > 1) {
319 } else if (cp->co_usecount == 1) {
321 cp->co_flags |= SMBO_GONE;
324 SMBERROR("negative usecount");
326 lockmgr(&cp->co_lock, LK_RELEASE | LK_INTERLOCK, &cp->co_interlock, td);
327 if ((cp->co_flags & SMBO_GONE) == 0)
329 lockmgr(&cp->co_lock, LK_DRAIN, NULL, td);
330 smb_co_gone(cp, scred);
334 smb_co_lockstatus(struct smb_connobj *cp, struct thread *td)
336 return lockstatus(&cp->co_lock, td);
340 smb_co_lock(struct smb_connobj *cp, int flags, struct thread *td)
343 if (cp->co_flags & SMBO_GONE)
345 if ((flags & LK_TYPE_MASK) == 0)
346 flags |= LK_EXCLUSIVE;
347 if (smb_co_lockstatus(cp, td) == LK_EXCLUSIVE &&
348 (flags & LK_CANRECURSE) == 0) {
349 SMBERROR("recursive lock for object %d\n", cp->co_level);
352 return lockmgr(&cp->co_lock, flags, &cp->co_interlock, td);
356 smb_co_unlock(struct smb_connobj *cp, int flags, struct thread *td)
358 (void)lockmgr(&cp->co_lock, flags | LK_RELEASE, &cp->co_interlock, td);
362 smb_co_addchild(struct smb_connobj *parent, struct smb_connobj *child)
364 KASSERT(smb_co_lockstatus(parent, curthread) == LK_EXCLUSIVE, ("smb_co_addchild: parent not locked"));
365 KASSERT(smb_co_lockstatus(child, curthread) == LK_EXCLUSIVE, ("smb_co_addchild: child not locked"));
368 SLIST_INSERT_HEAD(&parent->co_children, child, co_next);
369 child->co_parent = parent;
373 * Session implementation
377 smb_vc_create(struct smb_vcspec *vcspec,
378 struct smb_cred *scred, struct smb_vc **vcpp)
381 struct thread *td = scred->scr_td;
382 struct ucred *cred = scred->scr_cred;
383 uid_t uid = vcspec->owner;
384 gid_t gid = vcspec->group;
385 uid_t realuid = cred->cr_uid;
386 char *domain = vcspec->domain;
389 isroot = smb_suser(cred) == 0;
391 * Only superuser can create VCs with different uid and gid
393 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
395 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
398 vcp = smb_zmalloc(sizeof(*vcp), M_SMBCONN, M_WAITOK);
399 smb_co_init(VCTOCP(vcp), SMBL_VC, "smb_vc", td);
400 vcp->obj.co_free = smb_vc_free;
401 vcp->obj.co_gone = smb_vc_gone;
402 vcp->vc_number = smb_vcnext++;
403 vcp->vc_timo = SMB_DEFRQTIMO;
404 vcp->vc_smbuid = SMB_UID_UNKNOWN;
405 vcp->vc_mode = vcspec->rights & SMBM_MASK;
406 vcp->obj.co_flags = vcspec->flags & (SMBV_PRIVATE | SMBV_SINGLESHARE);
407 vcp->vc_tdesc = &smb_tran_nbtcp_desc;
409 vcp->vc_mackey = NULL;
410 vcp->vc_mackeylen = 0;
412 if (uid == SMBM_ANY_OWNER)
414 if (gid == SMBM_ANY_GROUP)
415 gid = cred->cr_groups[0];
419 smb_sl_init(&vcp->vc_stlock, "vcstlock");
422 vcp->vc_paddr = sodupsockaddr(vcspec->sap, M_WAITOK);
423 if (vcp->vc_paddr == NULL)
425 vcp->vc_laddr = sodupsockaddr(vcspec->lap, M_WAITOK);
426 if (vcp->vc_laddr == NULL)
428 vcp->vc_pass = smb_strdup(vcspec->pass);
429 if (vcp->vc_pass == NULL)
431 vcp->vc_domain = smb_strdup((domain && domain[0]) ? domain :
433 if (vcp->vc_domain == NULL)
435 vcp->vc_srvname = smb_strdup(vcspec->srvname);
436 if (vcp->vc_srvname == NULL)
438 vcp->vc_username = smb_strdup(vcspec->username);
439 if (vcp->vc_username == NULL)
441 error = (int)iconv_open("tolower", vcspec->localcs, &vcp->vc_tolower);
444 error = (int)iconv_open("toupper", vcspec->localcs, &vcp->vc_toupper);
447 if (vcspec->servercs[0]) {
448 error = (int)iconv_open(vcspec->servercs, vcspec->localcs,
452 error = (int)iconv_open(vcspec->localcs, vcspec->servercs,
457 error = (int)smb_iod_create(vcp);
461 smb_co_addchild(&smb_vclist, VCTOCP(vcp));
465 smb_vc_put(vcp, scred);
470 smb_vc_free(struct smb_connobj *cp)
472 struct smb_vc *vcp = CPTOVC(cp);
475 smb_iod_destroy(vcp->vc_iod);
476 SMB_STRFREE(vcp->vc_username);
477 SMB_STRFREE(vcp->vc_srvname);
478 SMB_STRFREE(vcp->vc_pass);
479 SMB_STRFREE(vcp->vc_domain);
481 free(vcp->vc_mackey, M_SMBTEMP);
483 free(vcp->vc_paddr, M_SONAME);
485 free(vcp->vc_laddr, M_SONAME);
487 iconv_close(vcp->vc_tolower);
489 iconv_close(vcp->vc_toupper);
491 iconv_close(vcp->vc_tolocal);
492 if (vcp->vc_toserver)
493 iconv_close(vcp->vc_toserver);
494 smb_co_done(VCTOCP(vcp));
495 smb_sl_destroy(&vcp->vc_stlock);
496 free(vcp, M_SMBCONN);
500 * Called when use count of VC dropped to zero.
501 * VC should be locked on enter with LK_DRAIN.
504 smb_vc_gone(struct smb_connobj *cp, struct smb_cred *scred)
506 struct smb_vc *vcp = CPTOVC(cp);
508 smb_vc_disconnect(vcp);
512 smb_vc_ref(struct smb_vc *vcp)
514 smb_co_ref(VCTOCP(vcp));
518 smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred)
520 smb_co_rele(VCTOCP(vcp), scred);
524 smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred)
526 return smb_co_get(VCTOCP(vcp), flags, scred);
530 smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred)
532 smb_co_put(VCTOCP(vcp), scred);
536 smb_vc_lock(struct smb_vc *vcp, int flags, struct thread *td)
538 return smb_co_lock(VCTOCP(vcp), flags, td);
542 smb_vc_unlock(struct smb_vc *vcp, int flags, struct thread *td)
544 smb_co_unlock(VCTOCP(vcp), flags, td);
548 smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode)
550 struct ucred *cred = scred->scr_cred;
552 if (smb_suser(cred) == 0 || cred->cr_uid == vcp->vc_uid)
555 if (!groupmember(vcp->vc_grp, cred))
557 return (vcp->vc_mode & mode) == mode ? 0 : EACCES;
561 smb_vc_cmpshare(struct smb_share *ssp, struct smb_sharespec *dp)
565 if (strcmp(ssp->ss_name, dp->name) != 0)
567 if (dp->owner != SMBM_ANY_OWNER) {
568 if (ssp->ss_uid != dp->owner)
572 if (dp->group != SMBM_ANY_GROUP) {
573 if (ssp->ss_grp != dp->group)
578 if (dp->mode & SMBM_EXACT) {
581 return (dp->mode & SMBM_MASK) == ssp->ss_mode ? 0 : 1;
583 if (smb_share_access(ssp, dp->scred, dp->mode) != 0)
589 * Lookup share in the given VC. Share referenced and locked on return.
590 * VC expected to be locked on entry and will be left locked on exit.
593 smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *dp,
594 struct smb_cred *scred, struct smb_share **sspp)
596 struct thread *td = scred->scr_td;
597 struct smb_share *ssp = NULL;
602 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
603 error = smb_share_lock(ssp, LK_EXCLUSIVE, td);
606 if (smb_vc_cmpshare(ssp, dp) == 0)
608 smb_share_unlock(ssp, 0, td);
620 smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred)
623 return smb_iod_request(vcp->vc_iod, SMBIOD_EV_CONNECT | SMBIOD_EV_SYNC, NULL);
627 * Destroy VC to server, invalidate shares linked with it.
628 * Transport should be locked on entry.
631 smb_vc_disconnect(struct smb_vc *vcp)
634 smb_iod_request(vcp->vc_iod, SMBIOD_EV_DISCONNECT | SMBIOD_EV_SYNC, NULL);
638 static char smb_emptypass[] = "";
641 smb_vc_getpass(struct smb_vc *vcp)
645 return smb_emptypass;
649 smb_vc_getinfo(struct smb_vc *vcp, struct smb_vc_info *vip)
651 bzero(vip, sizeof(struct smb_vc_info));
652 vip->itype = SMB_INFO_VC;
653 vip->usecount = vcp->obj.co_usecount;
654 vip->uid = vcp->vc_uid;
655 vip->gid = vcp->vc_grp;
656 vip->mode = vcp->vc_mode;
657 vip->flags = vcp->obj.co_flags;
658 vip->sopt = vcp->vc_sopt;
659 vip->iodstate = vcp->vc_iod->iod_state;
660 bzero(&vip->sopt.sv_skey, sizeof(vip->sopt.sv_skey));
661 snprintf(vip->srvname, sizeof(vip->srvname), "%s", vcp->vc_srvname);
662 snprintf(vip->vcname, sizeof(vip->vcname), "%s", vcp->vc_username);
667 smb_vc_nextmid(struct smb_vc *vcp)
671 SMB_CO_LOCK(&vcp->obj);
673 SMB_CO_UNLOCK(&vcp->obj);
678 * Share implementation
681 * Allocate share structure and attach it to the given VC
682 * Connection expected to be locked on entry. Share will be returned
686 smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
687 struct smb_cred *scred, struct smb_share **sspp)
689 struct smb_share *ssp;
690 struct thread *td = scred->scr_td;
691 struct ucred *cred = scred->scr_cred;
692 uid_t realuid = cred->cr_uid;
693 uid_t uid = shspec->owner;
694 gid_t gid = shspec->group;
697 isroot = smb_suser(cred) == 0;
699 * Only superuser can create shares with different uid and gid
701 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
703 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
705 error = smb_vc_lookupshare(vcp, shspec, scred, &ssp);
707 smb_share_put(ssp, scred);
710 if (uid == SMBM_ANY_OWNER)
712 if (gid == SMBM_ANY_GROUP)
713 gid = cred->cr_groups[0];
714 ssp = smb_zmalloc(sizeof(*ssp), M_SMBCONN, M_WAITOK);
715 smb_co_init(SSTOCP(ssp), SMBL_SHARE, "smbss", td);
716 ssp->obj.co_free = smb_share_free;
717 ssp->obj.co_gone = smb_share_gone;
718 smb_sl_init(&ssp->ss_stlock, "ssstlock");
719 ssp->ss_name = smb_strdup(shspec->name);
720 if (shspec->pass && shspec->pass[0])
721 ssp->ss_pass = smb_strdup(shspec->pass);
722 ssp->ss_type = shspec->stype;
723 ssp->ss_tid = SMB_TID_UNKNOWN;
726 ssp->ss_mode = shspec->rights & SMBM_MASK;
727 smb_co_addchild(VCTOCP(vcp), SSTOCP(ssp));
733 smb_share_free(struct smb_connobj *cp)
735 struct smb_share *ssp = CPTOSS(cp);
737 SMB_STRFREE(ssp->ss_name);
738 SMB_STRFREE(ssp->ss_pass);
739 smb_sl_destroy(&ssp->ss_stlock);
740 smb_co_done(SSTOCP(ssp));
741 free(ssp, M_SMBCONN);
745 smb_share_gone(struct smb_connobj *cp, struct smb_cred *scred)
747 struct smb_share *ssp = CPTOSS(cp);
749 smb_smb_treedisconnect(ssp, scred);
753 smb_share_ref(struct smb_share *ssp)
755 smb_co_ref(SSTOCP(ssp));
759 smb_share_rele(struct smb_share *ssp, struct smb_cred *scred)
761 smb_co_rele(SSTOCP(ssp), scred);
765 smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred)
767 return smb_co_get(SSTOCP(ssp), flags, scred);
771 smb_share_put(struct smb_share *ssp, struct smb_cred *scred)
773 smb_co_put(SSTOCP(ssp), scred);
777 smb_share_lock(struct smb_share *ssp, int flags, struct thread *td)
779 return smb_co_lock(SSTOCP(ssp), flags, td);
783 smb_share_unlock(struct smb_share *ssp, int flags, struct thread *td)
785 smb_co_unlock(SSTOCP(ssp), flags, td);
789 smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode)
791 struct ucred *cred = scred->scr_cred;
793 if (smb_suser(cred) == 0 || cred->cr_uid == ssp->ss_uid)
796 if (!groupmember(ssp->ss_grp, cred))
798 return (ssp->ss_mode & mode) == mode ? 0 : EACCES;
802 smb_share_invalidate(struct smb_share *ssp)
804 ssp->ss_tid = SMB_TID_UNKNOWN;
808 smb_share_valid(struct smb_share *ssp)
810 return ssp->ss_tid != SMB_TID_UNKNOWN &&
811 ssp->ss_vcgenid == SSTOVC(ssp)->vc_genid;
815 smb_share_getpass(struct smb_share *ssp)
824 return smb_emptypass;
828 smb_share_getinfo(struct smb_share *ssp, struct smb_share_info *sip)
830 bzero(sip, sizeof(struct smb_share_info));
831 sip->itype = SMB_INFO_SHARE;
832 sip->usecount = ssp->obj.co_usecount;
833 sip->tid = ssp->ss_tid;
834 sip->type= ssp->ss_type;
835 sip->uid = ssp->ss_uid;
836 sip->gid = ssp->ss_grp;
837 sip->mode= ssp->ss_mode;
838 sip->flags = ssp->obj.co_flags;
839 snprintf(sip->sname, sizeof(sip->sname), "%s", ssp->ss_name);
844 * Dump an entire tree into sysctl call
847 smb_sysctl_treedump(SYSCTL_HANDLER_ARGS)
849 struct thread *td = req->td;
850 struct smb_cred scred;
852 struct smb_share *ssp;
853 struct smb_vc_info vci;
854 struct smb_share_info ssi;
857 smb_makescred(&scred, td, td->td_ucred);
858 error = sysctl_wire_old_buffer(req, 0);
861 error = smb_sm_lockvclist(LK_SHARED, td);
864 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
865 error = smb_vc_lock(vcp, LK_SHARED, td);
868 smb_vc_getinfo(vcp, &vci);
869 error = SYSCTL_OUT(req, &vci, sizeof(struct smb_vc_info));
871 smb_vc_unlock(vcp, 0, td);
874 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
875 error = smb_share_lock(ssp, LK_SHARED, td);
880 smb_share_getinfo(ssp, &ssi);
881 smb_share_unlock(ssp, 0, td);
882 error = SYSCTL_OUT(req, &ssi, sizeof(struct smb_share_info));
886 smb_vc_unlock(vcp, 0, td);
891 itype = SMB_INFO_NONE;
892 error = SYSCTL_OUT(req, &itype, sizeof(itype));
894 smb_sm_unlockvclist(td);