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 1.7 2004/03/01 06:33:18 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, NULL, 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, NULL, flags | LK_CANRECURSE, td);
109 smb_sm_unlockvclist(struct thread *td)
111 smb_co_unlock(&smb_vclist, NULL, 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, NULL, 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, NULL, 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)
262 SMB_CO_LOCK(&ilock, cp);
264 SMB_CO_UNLOCK(&ilock);
268 smb_co_rele(struct smb_connobj *cp, struct smb_cred *scred)
270 struct thread *td = scred->scr_td;
273 SMB_CO_LOCK(&ilock, cp);
274 if (cp->co_usecount > 1) {
276 SMB_CO_UNLOCK(&ilock);
279 if (cp->co_usecount == 0) {
280 SMBERROR("negative use_count for object %d", cp->co_level);
281 SMB_CO_UNLOCK(&ilock);
285 cp->co_flags |= SMBO_GONE;
287 lockmgr(&cp->co_lock, LK_DRAIN | LK_INTERLOCK, &ilock, td);
288 smb_co_gone(cp, scred);
292 smb_co_get(struct smb_connobj *cp, smb_ilock *ilock, int flags, struct smb_cred *scred)
297 if ((flags & LK_INTERLOCK) == 0) {
298 SMB_CO_LOCK(&iilock, cp);
302 error = smb_co_lock(cp, ilock, flags | LK_INTERLOCK, scred->scr_td);
304 SMB_CO_LOCK(ilock, cp);
306 SMB_CO_UNLOCK(ilock);
313 smb_co_put(struct smb_connobj *cp, struct smb_cred *scred)
315 struct thread *td = scred->scr_td;
320 SMB_CO_LOCK(&ilock, cp);
321 if (cp->co_usecount > 1) {
323 } else if (cp->co_usecount == 1) {
325 cp->co_flags |= SMBO_GONE;
328 SMBERROR("negative usecount");
330 lockmgr(&cp->co_lock, LK_RELEASE | LK_INTERLOCK, &ilock, td);
331 if ((cp->co_flags & SMBO_GONE) == 0)
333 lockmgr(&cp->co_lock, LK_DRAIN, NULL, td);
334 smb_co_gone(cp, scred);
338 smb_co_lockstatus(struct smb_connobj *cp, struct thread *td)
340 return lockstatus(&cp->co_lock, td);
344 smb_co_lock(struct smb_connobj *cp, smb_ilock *ilock, int flags, struct thread *td)
346 if (cp->co_flags & SMBO_GONE)
348 if ((flags & LK_TYPE_MASK) == 0)
349 flags |= LK_EXCLUSIVE;
350 if (smb_co_lockstatus(cp, td) == LK_EXCLUSIVE &&
351 (flags & LK_CANRECURSE) == 0) {
352 SMBERROR("recursive lock for object %d\n", cp->co_level);
355 return lockmgr(&cp->co_lock, flags, ilock, td);
359 smb_co_unlock(struct smb_connobj *cp, smb_ilock *ilock, int flags, struct thread *td)
361 lockmgr(&cp->co_lock, flags | LK_RELEASE, ilock, td);
365 smb_co_addchild(struct smb_connobj *parent, struct smb_connobj *child)
367 KASSERT(smb_co_lockstatus(parent, curthread) == LK_EXCLUSIVE, ("smb_co_addchild: parent not locked"));
368 KASSERT(smb_co_lockstatus(child, curthread) == LK_EXCLUSIVE, ("smb_co_addchild: child not locked"));
370 smb_co_ref(parent, curthread);
371 SLIST_INSERT_HEAD(&parent->co_children, child, co_next);
372 child->co_parent = parent;
376 * Session implementation
380 smb_vc_create(struct smb_vcspec *vcspec,
381 struct smb_cred *scred, struct smb_vc **vcpp)
384 struct thread *td = scred->scr_td;
385 struct ucred *cred = scred->scr_cred;
386 uid_t uid = vcspec->owner;
387 gid_t gid = vcspec->group;
388 uid_t realuid = cred->cr_uid;
389 char *domain = vcspec->domain;
392 isroot = smb_suser(cred) == 0;
394 * Only superuser can create VCs with different uid and gid
396 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
398 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
401 vcp = smb_zmalloc(sizeof(*vcp), M_SMBCONN, M_WAITOK);
402 smb_co_init(VCTOCP(vcp), SMBL_VC, "smb_vc", td);
403 vcp->obj.co_free = smb_vc_free;
404 vcp->obj.co_gone = smb_vc_gone;
405 vcp->vc_number = smb_vcnext++;
406 vcp->vc_timo = SMB_DEFRQTIMO;
407 vcp->vc_smbuid = SMB_UID_UNKNOWN;
408 vcp->vc_mode = vcspec->rights & SMBM_MASK;
409 vcp->obj.co_flags = vcspec->flags & (SMBV_PRIVATE | SMBV_SINGLESHARE);
410 vcp->vc_tdesc = &smb_tran_nbtcp_desc;
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 = dup_sockaddr(vcspec->sap, 1);
423 ierror(vcp->vc_paddr == NULL, ENOMEM);
425 vcp->vc_laddr = dup_sockaddr(vcspec->lap, 1);
426 ierror(vcp->vc_laddr == NULL, ENOMEM);
428 ierror((vcp->vc_pass = smb_strdup(vcspec->pass)) == NULL, ENOMEM);
430 vcp->vc_domain = smb_strdup((domain && domain[0]) ? domain : "NODOMAIN");
431 ierror(vcp->vc_domain == NULL, ENOMEM);
433 ierror((vcp->vc_srvname = smb_strdup(vcspec->srvname)) == NULL, ENOMEM);
434 ierror((vcp->vc_username = smb_strdup(vcspec->username)) == NULL, ENOMEM);
436 ithrow(iconv_open("tolower", vcspec->localcs, &vcp->vc_tolower));
437 ithrow(iconv_open("toupper", vcspec->localcs, &vcp->vc_toupper));
438 if (vcspec->servercs[0]) {
439 ithrow(iconv_open(vcspec->servercs, vcspec->localcs,
441 ithrow(iconv_open(vcspec->localcs, vcspec->servercs,
445 ithrow(smb_iod_create(vcp));
447 smb_co_addchild(&smb_vclist, VCTOCP(vcp));
449 smb_vc_put(vcp, scred);
456 smb_vc_free(struct smb_connobj *cp)
458 struct smb_vc *vcp = CPTOVC(cp);
461 smb_iod_destroy(vcp->vc_iod);
462 SMB_STRFREE(vcp->vc_username);
463 SMB_STRFREE(vcp->vc_srvname);
464 SMB_STRFREE(vcp->vc_pass);
465 SMB_STRFREE(vcp->vc_domain);
467 free(vcp->vc_paddr, M_SONAME);
469 free(vcp->vc_laddr, M_SONAME);
471 iconv_close(vcp->vc_tolower);
473 iconv_close(vcp->vc_toupper);
475 iconv_close(vcp->vc_tolocal);
476 if (vcp->vc_toserver)
477 iconv_close(vcp->vc_toserver);
478 smb_co_done(VCTOCP(vcp));
479 smb_sl_destroy(&vcp->vc_stlock);
480 free(vcp, M_SMBCONN);
484 * Called when use count of VC dropped to zero.
485 * VC should be locked on enter with LK_DRAIN.
488 smb_vc_gone(struct smb_connobj *cp, struct smb_cred *scred)
490 struct smb_vc *vcp = CPTOVC(cp);
492 smb_vc_disconnect(vcp);
496 smb_vc_ref(struct smb_vc *vcp, struct thread *td)
498 smb_co_ref(VCTOCP(vcp), td);
502 smb_vc_rele(struct smb_vc *vcp, struct smb_cred *scred)
504 smb_co_rele(VCTOCP(vcp), scred);
508 smb_vc_get(struct smb_vc *vcp, int flags, struct smb_cred *scred)
510 return smb_co_get(VCTOCP(vcp), NULL, flags, scred);
514 smb_vc_put(struct smb_vc *vcp, struct smb_cred *scred)
516 smb_co_put(VCTOCP(vcp), scred);
520 smb_vc_lock(struct smb_vc *vcp, int flags, struct thread *td)
522 return smb_co_lock(VCTOCP(vcp), NULL, flags, td);
526 smb_vc_unlock(struct smb_vc *vcp, int flags, struct thread *td)
528 smb_co_unlock(VCTOCP(vcp), NULL, flags, td);
532 smb_vc_access(struct smb_vc *vcp, struct smb_cred *scred, mode_t mode)
534 struct ucred *cred = scred->scr_cred;
536 if (smb_suser(cred) == 0 || cred->cr_uid == vcp->vc_uid)
539 if (!groupmember(vcp->vc_grp, cred))
541 return (vcp->vc_mode & mode) == mode ? 0 : EACCES;
545 smb_vc_cmpshare(struct smb_share *ssp, struct smb_sharespec *dp)
549 if (strcmp(ssp->ss_name, dp->name) != 0)
551 if (dp->owner != SMBM_ANY_OWNER) {
552 if (ssp->ss_uid != dp->owner)
556 if (dp->group != SMBM_ANY_GROUP) {
557 if (ssp->ss_grp != dp->group)
562 if (dp->mode & SMBM_EXACT) {
565 return (dp->mode & SMBM_MASK) == ssp->ss_mode ? 0 : 1;
567 if (smb_share_access(ssp, dp->scred, dp->mode) != 0)
573 * Lookup share in the given VC. Share referenced and locked on return.
574 * VC expected to be locked on entry and will be left locked on exit.
577 smb_vc_lookupshare(struct smb_vc *vcp, struct smb_sharespec *dp,
578 struct smb_cred *scred, struct smb_share **sspp)
580 struct thread *td = scred->scr_td;
581 struct smb_share *ssp = NULL;
586 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
587 error = smb_share_lock(ssp, LK_EXCLUSIVE, td);
590 if (smb_vc_cmpshare(ssp, dp) == 0)
592 smb_share_unlock(ssp, 0, td);
595 smb_share_ref(ssp, td);
604 smb_vc_connect(struct smb_vc *vcp, struct smb_cred *scred)
607 return smb_iod_request(vcp->vc_iod, SMBIOD_EV_CONNECT | SMBIOD_EV_SYNC, NULL);
611 * Destroy VC to server, invalidate shares linked with it.
612 * Transport should be locked on entry.
615 smb_vc_disconnect(struct smb_vc *vcp)
618 smb_iod_request(vcp->vc_iod, SMBIOD_EV_DISCONNECT | SMBIOD_EV_SYNC, NULL);
622 static char smb_emptypass[] = "";
625 smb_vc_getpass(struct smb_vc *vcp)
629 return smb_emptypass;
633 smb_vc_getinfo(struct smb_vc *vcp, struct smb_vc_info *vip)
635 bzero(vip, sizeof(struct smb_vc_info));
636 vip->itype = SMB_INFO_VC;
637 vip->usecount = vcp->obj.co_usecount;
638 vip->uid = vcp->vc_uid;
639 vip->gid = vcp->vc_grp;
640 vip->mode = vcp->vc_mode;
641 vip->flags = vcp->obj.co_flags;
642 vip->sopt = vcp->vc_sopt;
643 vip->iodstate = vcp->vc_iod->iod_state;
644 bzero(&vip->sopt.sv_skey, sizeof(vip->sopt.sv_skey));
645 snprintf(vip->srvname, sizeof(vip->srvname), "%s", vcp->vc_srvname);
646 snprintf(vip->vcname, sizeof(vip->vcname), "%s", vcp->vc_username);
651 smb_vc_nextmid(struct smb_vc *vcp)
656 SMB_CO_LOCK(&ilock, &vcp->obj);
658 SMB_CO_UNLOCK(&ilock);
663 * Share implementation
666 * Allocate share structure and attach it to the given VC
667 * Connection expected to be locked on entry. Share will be returned
671 smb_share_create(struct smb_vc *vcp, struct smb_sharespec *shspec,
672 struct smb_cred *scred, struct smb_share **sspp)
674 struct smb_share *ssp;
675 struct thread *td = scred->scr_td;
676 struct ucred *cred = scred->scr_cred;
677 uid_t realuid = cred->cr_uid;
678 uid_t uid = shspec->owner;
679 gid_t gid = shspec->group;
682 isroot = smb_suser(cred) == 0;
684 * Only superuser can create shares with different uid and gid
686 if (uid != SMBM_ANY_OWNER && uid != realuid && !isroot)
688 if (gid != SMBM_ANY_GROUP && !groupmember(gid, cred) && !isroot)
690 error = smb_vc_lookupshare(vcp, shspec, scred, &ssp);
692 smb_share_put(ssp, scred);
695 if (uid == SMBM_ANY_OWNER)
697 if (gid == SMBM_ANY_GROUP)
698 gid = cred->cr_groups[0];
699 ssp = smb_zmalloc(sizeof(*ssp), M_SMBCONN, M_WAITOK);
700 smb_co_init(SSTOCP(ssp), SMBL_SHARE, "smbss", td);
701 ssp->obj.co_free = smb_share_free;
702 ssp->obj.co_gone = smb_share_gone;
703 smb_sl_init(&ssp->ss_stlock, "ssstlock");
704 ssp->ss_name = smb_strdup(shspec->name);
705 if (shspec->pass && shspec->pass[0])
706 ssp->ss_pass = smb_strdup(shspec->pass);
707 ssp->ss_type = shspec->stype;
708 ssp->ss_tid = SMB_TID_UNKNOWN;
711 ssp->ss_mode = shspec->rights & SMBM_MASK;
712 smb_co_addchild(VCTOCP(vcp), SSTOCP(ssp));
718 smb_share_free(struct smb_connobj *cp)
720 struct smb_share *ssp = CPTOSS(cp);
722 SMB_STRFREE(ssp->ss_name);
723 SMB_STRFREE(ssp->ss_pass);
724 smb_sl_destroy(&ssp->ss_stlock);
725 smb_co_done(SSTOCP(ssp));
726 free(ssp, M_SMBCONN);
730 smb_share_gone(struct smb_connobj *cp, struct smb_cred *scred)
732 struct smb_share *ssp = CPTOSS(cp);
734 smb_smb_treedisconnect(ssp, scred);
738 smb_share_ref(struct smb_share *ssp, struct thread *td)
740 smb_co_ref(SSTOCP(ssp), td);
744 smb_share_rele(struct smb_share *ssp, struct smb_cred *scred)
746 smb_co_rele(SSTOCP(ssp), scred);
750 smb_share_get(struct smb_share *ssp, int flags, struct smb_cred *scred)
752 return smb_co_get(SSTOCP(ssp), NULL, flags, scred);
756 smb_share_put(struct smb_share *ssp, struct smb_cred *scred)
758 smb_co_put(SSTOCP(ssp), scred);
762 smb_share_lock(struct smb_share *ssp, int flags, struct thread *td)
764 return smb_co_lock(SSTOCP(ssp), NULL, flags, td);
768 smb_share_unlock(struct smb_share *ssp, int flags, struct thread *td)
770 smb_co_unlock(SSTOCP(ssp), NULL, flags, td);
774 smb_share_access(struct smb_share *ssp, struct smb_cred *scred, mode_t mode)
776 struct ucred *cred = scred->scr_cred;
778 if (smb_suser(cred) == 0 || cred->cr_uid == ssp->ss_uid)
781 if (!groupmember(ssp->ss_grp, cred))
783 return (ssp->ss_mode & mode) == mode ? 0 : EACCES;
787 smb_share_invalidate(struct smb_share *ssp)
789 ssp->ss_tid = SMB_TID_UNKNOWN;
793 smb_share_valid(struct smb_share *ssp)
795 return ssp->ss_tid != SMB_TID_UNKNOWN &&
796 ssp->ss_vcgenid == SSTOVC(ssp)->vc_genid;
800 smb_share_getpass(struct smb_share *ssp)
809 return smb_emptypass;
813 smb_share_getinfo(struct smb_share *ssp, struct smb_share_info *sip)
815 bzero(sip, sizeof(struct smb_share_info));
816 sip->itype = SMB_INFO_SHARE;
817 sip->usecount = ssp->obj.co_usecount;
818 sip->tid = ssp->ss_tid;
819 sip->type= ssp->ss_type;
820 sip->uid = ssp->ss_uid;
821 sip->gid = ssp->ss_grp;
822 sip->mode= ssp->ss_mode;
823 sip->flags = ssp->obj.co_flags;
824 snprintf(sip->sname, sizeof(sip->sname), "%s", ssp->ss_name);
829 * Dump an entire tree into sysctl call
832 smb_sysctl_treedump(SYSCTL_HANDLER_ARGS)
834 struct thread *td = req->td;
836 struct smb_cred scred;
838 struct smb_share *ssp;
839 struct smb_vc_info vci;
840 struct smb_share_info ssi;
843 KKASSERT(td->td_proc);
844 ucred = td->td_proc->p_ucred;
846 smb_makescred(&scred, td, ucred);
847 error = smb_sm_lockvclist(LK_SHARED, td);
850 SMBCO_FOREACH((struct smb_connobj*)vcp, &smb_vclist) {
851 error = smb_vc_lock(vcp, LK_SHARED, td);
854 smb_vc_getinfo(vcp, &vci);
855 error = SYSCTL_OUT(req, &vci, sizeof(struct smb_vc_info));
857 smb_vc_unlock(vcp, 0, td);
860 SMBCO_FOREACH((struct smb_connobj*)ssp, VCTOCP(vcp)) {
861 error = smb_share_lock(ssp, LK_SHARED, td);
866 smb_share_getinfo(ssp, &ssi);
867 smb_share_unlock(ssp, 0, td);
868 error = SYSCTL_OUT(req, &ssi, sizeof(struct smb_share_info));
872 smb_vc_unlock(vcp, 0, td);
877 itype = SMB_INFO_NONE;
878 error = SYSCTL_OUT(req, &itype, sizeof(itype));
880 smb_sm_unlockvclist(td);