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();