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 1.2 2003/06/17 04:28:54 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>
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 extern struct linker_set sysctl_net_smb;
62 SYSCTL_NODE(_net, OID_AUTO, smb, CTLFLAG_RW, NULL, "SMB protocol");
64 MALLOC_DEFINE(M_SMBCONN, "SMB conn", "SMB connection");
66 static void smb_co_init(struct smb_connobj *cp, int level, char *objname,
68 static void smb_co_done(struct smb_connobj *cp);
69 static int smb_co_lockstatus(struct smb_connobj *cp, struct proc *p);
71 static int smb_vc_disconnect(struct smb_vc *vcp);
72 static void smb_vc_free(struct smb_connobj *cp);
73 static void smb_vc_gone(struct smb_connobj *cp, struct smb_cred *scred);
74 static smb_co_free_t smb_share_free;
75 static smb_co_gone_t smb_share_gone;
77 static int smb_sysctl_treedump(SYSCTL_HANDLER_ARGS);
79 SYSCTL_PROC(_net_smb, OID_AUTO, treedump, CTLFLAG_RD | CTLTYPE_OPAQUE,
80 NULL, 0, smb_sysctl_treedump, "S,treedump", "Requester tree");
86 smb_co_init(&smb_vclist, SMBL_SM, "smbsm", curproc);
87 smb_co_unlock(&smb_vclist, 0, curproc);
95 /* XXX: hold the mutex */
96 if (smb_vclist.co_usecount > 1) {
97 SMBERROR("%d connections still active\n", smb_vclist.co_usecount - 1);
100 smb_co_done(&smb_vclist);
105 smb_sm_lockvclist(int flags, struct proc *p)
108 return smb_co_lock(&smb_vclist, flags | LK_CANRECURSE, p);
112 smb_sm_unlockvclist(struct proc *p)
115 smb_co_unlock(&smb_vclist, LK_RELEASE, p);
119 smb_sm_lookupint(struct smb_vcspec *vcspec, struct smb_sharespec *shspec,
120 struct smb_cred *scred, struct smb_vc **vcpp)
122 struct proc *p = scred->scr_p;
127 vcspec->shspec = shspec;
129 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
130 error = smb_vc_lock(vcp, LK_EXCLUSIVE, p);
134 if ((vcp->obj.co_flags & SMBV_PRIVATE) ||
135 !CONNADDREQ(vcp->vc_paddr, vcspec->sap) ||
136 strcmp(vcp->vc_username, vcspec->username) != 0)
138 if (vcspec->owner != SMBM_ANY_OWNER) {
139 if (vcp->vc_uid != vcspec->owner)
143 if (vcspec->group != SMBM_ANY_GROUP) {
144 if (vcp->vc_grp != vcspec->group)
149 if (vcspec->mode & SMBM_EXACT) {
151 (vcspec->mode & SMBM_MASK) != vcp->vc_mode)
154 if (smb_vc_access(vcp, scred, vcspec->mode) != 0)
158 ithrow(smb_vc_lookupshare(vcp, shspec, scred, &vcspec->ssp));
162 smb_vc_unlock(vcp, 0, p);
176 smb_sm_lookup(struct smb_vcspec *vcspec, struct smb_sharespec *shspec,
177 struct smb_cred *scred, struct smb_vc **vcpp)
179 struct proc *p = scred->scr_p;
181 struct smb_share *ssp = NULL;
186 error = smb_sm_lockvclist(LK_EXCLUSIVE, p);
189 error = smb_sm_lookupint(vcspec, shspec, scred, vcpp);
190 if (error == 0 || (vcspec->flags & SMBV_CREATE) == 0) {
191 smb_sm_unlockvclist(p);
194 error = smb_sm_lookupint(vcspec, NULL, scred, &vcp);
196 error = smb_vc_create(vcspec, scred, &vcp);
199 error = smb_vc_connect(vcp, scred);
205 error = smb_share_create(vcp, shspec, scred, &ssp);
208 error = smb_smb_treeconnect(ssp, scred);
212 smb_share_put(ssp, scred);
214 smb_sm_unlockvclist(p);
218 smb_vc_put(vcp, scred);
223 * Common code for connection object
226 smb_co_init(struct smb_connobj *cp, int level, char *objname, struct proc *p)
228 SLIST_INIT(&cp->co_children);
229 smb_sl_init(&cp->co_interlock, objname);
230 lockinit(&cp->co_lock, PZERO, objname, 0, 0);
231 cp->co_level = level;
233 KASSERT(smb_co_lock(cp, LK_EXCLUSIVE, p) == 0, ("smb_co_init: lock failed"));
237 smb_co_done(struct smb_connobj *cp)
239 smb_sl_destroy(&cp->co_interlock);
240 lockdestroy(&cp->co_lock);
244 smb_co_gone(struct smb_connobj *cp, struct smb_cred *scred)
246 struct smb_connobj *parent;
249 cp->co_gone(cp, scred);
250 parent = cp->co_parent;
252 smb_co_lock(parent, LK_EXCLUSIVE, scred->scr_p);
253 SLIST_REMOVE(&parent->co_children, cp, smb_connobj, co_next);
254 smb_co_put(parent, scred);
261 smb_co_ref(struct smb_connobj *cp, struct proc *p)
270 smb_co_rele(struct smb_connobj *cp, struct smb_cred *scred)
272 struct proc *p = scred->scr_p;
275 if (cp->co_usecount > 1) {
280 if (cp->co_usecount == 0) {
281 SMBERROR("negative use_count for object %d", cp->co_level);
286 cp->co_flags |= SMBO_GONE;
288 lockmgr(&cp->co_lock, LK_DRAIN | LK_INTERLOCK, &cp->co_interlock, p);
289 smb_co_gone(cp, scred);
293 smb_co_get(struct smb_connobj *cp, int flags, struct smb_cred *scred)
297 if ((flags & LK_INTERLOCK) == 0)
300 error = smb_co_lock(cp, flags | LK_INTERLOCK, scred->scr_p);
311 smb_co_put(struct smb_connobj *cp, struct smb_cred *scred)
313 struct proc *p = scred->scr_p;
318 if (cp->co_usecount > 1) {
320 } else if (cp->co_usecount == 1) {
322 cp->co_flags |= SMBO_GONE;
325 SMBERROR("negative usecount");
327 lockmgr(&cp->co_lock, LK_RELEASE | LK_INTERLOCK, &cp->co_interlock, p);
328 if ((cp->co_flags & SMBO_GONE) == 0)
330 lockmgr(&cp->co_lock, LK_DRAIN, NULL, p);
331 smb_co_gone(cp, scred);
335 smb_co_lockstatus(struct smb_connobj *cp, struct proc *p)
337 return lockstatus(&cp->co_lock, p);
341 smb_co_lock(struct smb_connobj *cp, int flags, struct proc *p)
344 if (cp->co_flags & SMBO_GONE)
346 if ((flags & LK_TYPE_MASK) == 0)
347 flags |= LK_EXCLUSIVE;
348 if (smb_co_lockstatus(cp, p) == LK_EXCLUSIVE &&
349 (flags & LK_CANRECURSE) == 0) {
350 SMBERROR("recursive lock for object %d\n", cp->co_level);
353 return lockmgr(&cp->co_lock, flags, &cp->co_interlock, p);
357 smb_co_unlock(struct smb_connobj *cp, int flags, struct proc *p)
359 (void)lockmgr(&cp->co_lock, flags | LK_RELEASE, &cp->co_interlock, p);
363 smb_co_addchild(struct smb_connobj *parent, struct smb_connobj *child)
365 KASSERT(smb_co_lockstatus(parent, curproc) == LK_EXCLUSIVE, ("smb_co_addchild: parent not locked"));
366 KASSERT(smb_co_lockstatus(child, curproc) == LK_EXCLUSIVE, ("smb_co_addchild: child not locked"));
368 smb_co_ref(parent, curproc);
369 SLIST_INSERT_HEAD(&parent->co_children, child, co_next);
370 child->co_parent = parent;
374 * Session implementation
378 smb_vc_create(struct smb_vcspec *vcspec,
379 struct smb_cred *scred, struct smb_vc **vcpp)
382 struct proc *p = scred->scr_p;
383 struct ucred *cred = scred->scr_cred;
384 uid_t uid = vcspec->owner;
385 gid_t gid = vcspec->group;
386 uid_t realuid = cred->cr_uid;
387 char *domain = vcspec->domain;
390 isroot = smb_suser(cred) == 0;
392 * Only superuser can create VCs with different uid and gid
394 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
396 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
399 vcp = smb_zmalloc(sizeof(*vcp), M_SMBCONN, M_WAITOK);
400 smb_co_init(VCTOCP(vcp), SMBL_VC, "smb_vc", p);
401 vcp->obj.co_free = smb_vc_free;
402 vcp->obj.co_gone = smb_vc_gone;
403 vcp->vc_number = smb_vcnext++;
404 vcp->vc_timo = SMB_DEFRQTIMO;
405 vcp->vc_smbuid = SMB_UID_UNKNOWN;
406 vcp->vc_mode = vcspec->rights & SMBM_MASK;
407 vcp->obj.co_flags = vcspec->flags & (SMBV_PRIVATE | SMBV_SINGLESHARE);
408 vcp->vc_tdesc = &smb_tran_nbtcp_desc;
410 if (uid == SMBM_ANY_OWNER)
412 if (gid == SMBM_ANY_GROUP)
413 gid = cred->cr_groups[0];
417 smb_sl_init(&vcp->vc_stlock, "vcstlock");
420 vcp->vc_paddr = dup_sockaddr(vcspec->sap, 1);
421 ierror(vcp->vc_paddr == NULL, ENOMEM);
423 vcp->vc_laddr = dup_sockaddr(vcspec->lap, 1);
424 ierror(vcp->vc_laddr == NULL, ENOMEM);
426 ierror((vcp->vc_pass = smb_strdup(vcspec->pass)) == NULL, ENOMEM);
428 vcp->vc_domain = smb_strdup((domain && domain[0]) ? domain : "NODOMAIN");
429 ierror(vcp->vc_domain == NULL, ENOMEM);
431 ierror((vcp->vc_srvname = smb_strdup(vcspec->srvname)) == NULL, ENOMEM);
432 ierror((vcp->vc_username = smb_strdup(vcspec->username)) == NULL, ENOMEM);
434 ithrow(iconv_open("tolower", vcspec->localcs, &vcp->vc_tolower));
435 ithrow(iconv_open("toupper", vcspec->localcs, &vcp->vc_toupper));
436 if (vcspec->servercs[0]) {
437 ithrow(iconv_open(vcspec->servercs, vcspec->localcs,
439 ithrow(iconv_open(vcspec->localcs, vcspec->servercs,
443 ithrow(smb_iod_create(vcp));
445 smb_co_addchild(&smb_vclist, VCTOCP(vcp));
447 smb_vc_put(vcp, scred);
454 smb_vc_free(struct smb_connobj *cp)
456 struct smb_vc *vcp = CPTOVC(cp);
459 smb_iod_destroy(vcp->vc_iod);
460 SMB_STRFREE(vcp->vc_username);
461 SMB_STRFREE(vcp->vc_srvname);
462 SMB_STRFREE(vcp->vc_pass);
463 SMB_STRFREE(vcp->vc_domain);
465 free(vcp->vc_paddr, M_SONAME);
467 free(vcp->vc_laddr, M_SONAME);
469 iconv_close(vcp->vc_tolower);
471 iconv_close(vcp->vc_toupper);
473 iconv_close(vcp->vc_tolocal);
474 if (vcp->vc_toserver)
475 iconv_close(vcp->vc_toserver);
476 smb_co_done(VCTOCP(vcp));
477 smb_sl_destroy(&vcp->vc_stlock);
478 free(vcp, M_SMBCONN);
482 * Called when use count of VC dropped to zero.
483 * VC should be locked on enter with LK_DRAIN.
486 smb_vc_gone(struct smb_connobj *cp, struct smb_cred *scred)
488 struct smb_vc *vcp = CPTOVC(cp);
490 smb_vc_disconnect(vcp);
494 smb_vc_ref(struct smb_vc *vcp, struct proc *p)
496 smb_co_ref(VCTOCP(vcp), p);
500 smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred)
502 smb_co_rele(VCTOCP(vcp), scred);
506 smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred)
508 return smb_co_get(VCTOCP(vcp), flags, scred);
512 smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred)
514 smb_co_put(VCTOCP(vcp), scred);
518 smb_vc_lock(struct smb_vc *vcp, int flags, struct proc *p)
520 return smb_co_lock(VCTOCP(vcp), flags, p);
524 smb_vc_unlock(struct smb_vc *vcp, int flags, struct proc *p)
526 smb_co_unlock(VCTOCP(vcp), flags, p);
530 smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode)
532 struct ucred *cred = scred->scr_cred;
534 if (smb_suser(cred) == 0 || cred->cr_uid == vcp->vc_uid)
537 if (!groupmember(vcp->vc_grp, cred))
539 return (vcp->vc_mode & mode) == mode ? 0 : EACCES;
543 smb_vc_cmpshare(struct smb_share *ssp, struct smb_sharespec *dp)
547 if (strcmp(ssp->ss_name, dp->name) != 0)
549 if (dp->owner != SMBM_ANY_OWNER) {
550 if (ssp->ss_uid != dp->owner)
554 if (dp->group != SMBM_ANY_GROUP) {
555 if (ssp->ss_grp != dp->group)
560 if (dp->mode & SMBM_EXACT) {
563 return (dp->mode & SMBM_MASK) == ssp->ss_mode ? 0 : 1;
565 if (smb_share_access(ssp, dp->scred, dp->mode) != 0)
571 * Lookup share in the given VC. Share referenced and locked on return.
572 * VC expected to be locked on entry and will be left locked on exit.
575 smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *dp,
576 struct smb_cred *scred, struct smb_share **sspp)
578 struct proc *p = scred->scr_p;
579 struct smb_share *ssp = NULL;
584 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
585 error = smb_share_lock(ssp, LK_EXCLUSIVE, p);
588 if (smb_vc_cmpshare(ssp, dp) == 0)
590 smb_share_unlock(ssp, 0, p);
593 smb_share_ref(ssp, p);
602 smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred)
605 return smb_iod_request(vcp->vc_iod, SMBIOD_EV_CONNECT | SMBIOD_EV_SYNC, NULL);
609 * Destroy VC to server, invalidate shares linked with it.
610 * Transport should be locked on entry.
613 smb_vc_disconnect(struct smb_vc *vcp)
616 smb_iod_request(vcp->vc_iod, SMBIOD_EV_DISCONNECT | SMBIOD_EV_SYNC, NULL);
620 static char smb_emptypass[] = "";
623 smb_vc_getpass(struct smb_vc *vcp)
627 return smb_emptypass;
631 smb_vc_getinfo(struct smb_vc *vcp, struct smb_vc_info *vip)
633 bzero(vip, sizeof(struct smb_vc_info));
634 vip->itype = SMB_INFO_VC;
635 vip->usecount = vcp->obj.co_usecount;
636 vip->uid = vcp->vc_uid;
637 vip->gid = vcp->vc_grp;
638 vip->mode = vcp->vc_mode;
639 vip->flags = vcp->obj.co_flags;
640 vip->sopt = vcp->vc_sopt;
641 vip->iodstate = vcp->vc_iod->iod_state;
642 bzero(&vip->sopt.sv_skey, sizeof(vip->sopt.sv_skey));
643 snprintf(vip->srvname, sizeof(vip->srvname), "%s", vcp->vc_srvname);
644 snprintf(vip->vcname, sizeof(vip->vcname), "%s", vcp->vc_username);
649 smb_vc_nextmid(struct smb_vc *vcp)
653 SMB_CO_LOCK(&vcp->obj);
655 SMB_CO_UNLOCK(&vcp->obj);
660 * Share implementation
663 * Allocate share structure and attach it to the given VC
664 * Connection expected to be locked on entry. Share will be returned
668 smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
669 struct smb_cred *scred, struct smb_share **sspp)
671 struct smb_share *ssp;
672 struct proc *p = scred->scr_p;
673 struct ucred *cred = scred->scr_cred;
674 uid_t realuid = cred->cr_uid;
675 uid_t uid = shspec->owner;
676 gid_t gid = shspec->group;
679 isroot = smb_suser(cred) == 0;
681 * Only superuser can create shares with different uid and gid
683 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
685 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
687 error = smb_vc_lookupshare(vcp, shspec, scred, &ssp);
689 smb_share_put(ssp, scred);
692 if (uid == SMBM_ANY_OWNER)
694 if (gid == SMBM_ANY_GROUP)
695 gid = cred->cr_groups[0];
696 ssp = smb_zmalloc(sizeof(*ssp), M_SMBCONN, M_WAITOK);
697 smb_co_init(SSTOCP(ssp), SMBL_SHARE, "smbss", p);
698 ssp->obj.co_free = smb_share_free;
699 ssp->obj.co_gone = smb_share_gone;
700 smb_sl_init(&ssp->ss_stlock, "ssstlock");
701 ssp->ss_name = smb_strdup(shspec->name);
702 if (shspec->pass && shspec->pass[0])
703 ssp->ss_pass = smb_strdup(shspec->pass);
704 ssp->ss_type = shspec->stype;
705 ssp->ss_tid = SMB_TID_UNKNOWN;
708 ssp->ss_mode = shspec->rights & SMBM_MASK;
709 smb_co_addchild(VCTOCP(vcp), SSTOCP(ssp));
715 smb_share_free(struct smb_connobj *cp)
717 struct smb_share *ssp = CPTOSS(cp);
719 SMB_STRFREE(ssp->ss_name);
720 SMB_STRFREE(ssp->ss_pass);
721 smb_sl_destroy(&ssp->ss_stlock);
722 smb_co_done(SSTOCP(ssp));
723 free(ssp, M_SMBCONN);
727 smb_share_gone(struct smb_connobj *cp, struct smb_cred *scred)
729 struct smb_share *ssp = CPTOSS(cp);
731 smb_smb_treedisconnect(ssp, scred);
735 smb_share_ref(struct smb_share *ssp, struct proc *p)
737 smb_co_ref(SSTOCP(ssp), p);
741 smb_share_rele(struct smb_share *ssp, struct smb_cred *scred)
743 smb_co_rele(SSTOCP(ssp), scred);
747 smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred)
749 return smb_co_get(SSTOCP(ssp), flags, scred);
753 smb_share_put(struct smb_share *ssp, struct smb_cred *scred)
755 smb_co_put(SSTOCP(ssp), scred);
759 smb_share_lock(struct smb_share *ssp, int flags, struct proc *p)
761 return smb_co_lock(SSTOCP(ssp), flags, p);
765 smb_share_unlock(struct smb_share *ssp, int flags, struct proc *p)
767 smb_co_unlock(SSTOCP(ssp), flags, p);
771 smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode)
773 struct ucred *cred = scred->scr_cred;
775 if (smb_suser(cred) == 0 || cred->cr_uid == ssp->ss_uid)
778 if (!groupmember(ssp->ss_grp, cred))
780 return (ssp->ss_mode & mode) == mode ? 0 : EACCES;
784 smb_share_invalidate(struct smb_share *ssp)
786 ssp->ss_tid = SMB_TID_UNKNOWN;
790 smb_share_valid(struct smb_share *ssp)
792 return ssp->ss_tid != SMB_TID_UNKNOWN &&
793 ssp->ss_vcgenid == SSTOVC(ssp)->vc_genid;
797 smb_share_getpass(struct smb_share *ssp)
806 return smb_emptypass;
810 smb_share_getinfo(struct smb_share *ssp, struct smb_share_info *sip)
812 bzero(sip, sizeof(struct smb_share_info));
813 sip->itype = SMB_INFO_SHARE;
814 sip->usecount = ssp->obj.co_usecount;
815 sip->tid = ssp->ss_tid;
816 sip->type= ssp->ss_type;
817 sip->uid = ssp->ss_uid;
818 sip->gid = ssp->ss_grp;
819 sip->mode= ssp->ss_mode;
820 sip->flags = ssp->obj.co_flags;
821 snprintf(sip->sname, sizeof(sip->sname), "%s", ssp->ss_name);
826 * Dump an entire tree into sysctl call
829 smb_sysctl_treedump(SYSCTL_HANDLER_ARGS)
831 struct proc *p = req->p;
832 struct smb_cred scred;
834 struct smb_share *ssp;
835 struct smb_vc_info vci;
836 struct smb_share_info ssi;
839 smb_makescred(&scred, p, p->p_ucred);
840 error = smb_sm_lockvclist(LK_SHARED, p);
843 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
844 error = smb_vc_lock(vcp, LK_SHARED, p);
847 smb_vc_getinfo(vcp, &vci);
848 error = SYSCTL_OUT(req, &vci, sizeof(struct smb_vc_info));
850 smb_vc_unlock(vcp, 0, p);
853 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
854 error = smb_share_lock(ssp, LK_SHARED, p);
859 smb_share_getinfo(ssp, &ssi);
860 smb_share_unlock(ssp, 0, p);
861 error = SYSCTL_OUT(req, &ssi, sizeof(struct smb_share_info));
865 smb_vc_unlock(vcp, 0, p);
870 itype = SMB_INFO_NONE;
871 error = SYSCTL_OUT(req, &itype, sizeof(itype));
873 smb_sm_unlockvclist(p);