Import kernel part of SMB/CIFS requester.

Add smbfs(CIFS) filesystem.

Userland part will be in the ports tree for a while.

Obtained from:	smbfs-1.3.7-dev package.

1 files changed, 1273 insertions, 0 deletions

diff --git a/sys/fs/smbfs/smbfs_smb.c b/sys/fs/smbfs/smbfs_smb.c
new file mode 100644
index 0000000..373d5c1
--- /dev/null
+++ b/sys/fs/smbfs/smbfs_smb.c
@@ -0,0 +1,1273 @@
+/*
+ * Copyright (c) 2000-2001 Boris Popov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by Boris Popov.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/proc.h>
+#include <sys/lock.h>
+#include <sys/vnode.h>
+#include <sys/mbuf.h>
+#include <sys/mount.h>
+
+#ifdef USE_MD5_HASH
+#include <sys/md5.h>
+#endif
+
+#include <netsmb/smb.h>
+#include <netsmb/smb_subr.h>
+#include <netsmb/smb_rq.h>
+#include <netsmb/smb_conn.h>
+
+#include <fs/smbfs/smbfs.h>
+#include <fs/smbfs/smbfs_node.h>
+#include <fs/smbfs/smbfs_subr.h>
+
+/*
+ * Lack of inode numbers leads us to the problem of generating them.
+ * Partially this problem can be solved by having a dir/file cache
+ * with inode numbers generated from the incremented by one counter.
+ * However this way will require too much kernel memory, gives all
+ * sorts of locking and consistency problems, not to mentinon counter overflows.
+ * So, I'm decided to use a hash function to generate pseudo random (and unique)
+ * inode numbers.
+ */
+static long
+smbfs_getino(struct smbnode *dnp, const char *name, int nmlen)
+{
+#ifdef USE_MD5_HASH
+	MD5_CTX md5;
+	u_int32_t state[4];
+	long ino;
+	int i;
+
+	MD5Init(&md5);
+	MD5Update(&md5, name, nmlen);
+	MD5Final((u_char *)state, &md5);
+	for (i = 0, ino = 0; i < 4; i++)
+		ino += state[i];
+	return dnp->n_ino + ino;
+#endif
+	u_int32_t ino;
+
+	ino = dnp->n_ino + smbfs_hash(name, nmlen);
+	if (ino <= 2)
+		ino += 3;
+	return ino;
+}
+
+static int
+smbfs_smb_lockandx(struct smbnode *np, int op, u_int32_t pid, off_t start, off_t end,
+	struct smb_cred *scred)
+{
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct smb_rq rq, *rqp = &rq;
+	struct mbchain *mbp;
+	u_char ltype = 0;
+	int error;
+
+	if (op == SMB_LOCK_SHARED)
+		ltype |= SMB_LOCKING_ANDX_SHARED_LOCK;
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_LOCKING_ANDX, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint8(mbp, 0xff);		/* secondary command */
+	mb_put_uint8(mbp, 0);		/* MBZ */
+	mb_put_uint16le(mbp, 0);
+	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
+	mb_put_uint8(mbp, ltype);	/* locktype */
+	mb_put_uint8(mbp, 0);		/* oplocklevel - 0 seems is NO_OPLOCK */
+	mb_put_uint32le(mbp, 0);		/* timeout - break immediately */
+	mb_put_uint16le(mbp, op == SMB_LOCK_RELEASE ? 1 : 0);
+	mb_put_uint16le(mbp, op == SMB_LOCK_RELEASE ? 0 : 1);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint16le(mbp, pid);
+	mb_put_uint32le(mbp, start);
+	mb_put_uint32le(mbp, end - start);
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	smb_rq_done(rqp);
+	return error;
+}
+
+int
+smbfs_smb_lock(struct smbnode *np, int op, caddr_t id,
+	off_t start, off_t end,	struct smb_cred *scred)
+{
+	struct smb_share *ssp = np->n_mount->sm_share;
+
+	if (SMB_DIALECT(SSTOVC(ssp)) < SMB_DIALECT_LANMAN1_0)
+		/*
+		 * TODO: use LOCK_BYTE_RANGE here.
+		 */
+		return EINVAL;
+	else
+		return smbfs_smb_lockandx(np, op, (u_int32_t)id, start, end, scred);
+}
+
+int
+smbfs_smb_statfs2(struct smb_share *ssp, struct statfs *sbp,
+	struct smb_cred *scred)
+{
+	struct smb_t2rq *t2p;
+	struct mbchain *mbp;
+	struct mdchain *mdp;
+	u_int16_t bsize;
+	u_int32_t units, bpu, funits;
+	int error;
+
+	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_QUERY_FS_INFORMATION,
+	    scred, &t2p);
+	if (error)
+		return error;
+	mbp = &t2p->t2_tparam;
+	mb_init(mbp);
+	mb_put_uint16le(mbp, SMB_INFO_ALLOCATION);
+	t2p->t2_maxpcount = 4;
+	t2p->t2_maxdcount = 4 * 4 + 2;
+	error = smb_t2_request(t2p);
+	if (error) {
+		smb_t2_done(t2p);
+		return error;
+	}
+	mdp = &t2p->t2_rdata;
+	md_get_uint32(mdp, NULL);	/* fs id */
+	md_get_uint32le(mdp, &bpu);
+	md_get_uint32le(mdp, &units);
+	md_get_uint32le(mdp, &funits);
+	md_get_uint16le(mdp, &bsize);
+	sbp->f_bsize = bpu * bsize;	/* fundamental file system block size */
+	sbp->f_blocks= units;		/* total data blocks in file system */
+	sbp->f_bfree = funits;		/* free blocks in fs */
+	sbp->f_bavail= funits;		/* free blocks avail to non-superuser */
+	sbp->f_files = 0xffff;		/* total file nodes in file system */
+	sbp->f_ffree = 0xffff;		/* free file nodes in fs */
+	smb_t2_done(t2p);
+	return 0;
+}
+
+int
+smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp,
+	struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct mdchain *mdp;
+	u_int16_t units, bpu, bsize, funits;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_QUERY_INFORMATION_DISK, scred);
+	if (error)
+		return error;
+	smb_rq_wstart(rqp);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	if (error) {
+		smb_rq_done(rqp);
+		return error;
+	}
+	smb_rq_getreply(rqp, &mdp);
+	md_get_uint16le(mdp, &units);
+	md_get_uint16le(mdp, &bpu);
+	md_get_uint16le(mdp, &bsize);
+	md_get_uint16le(mdp, &funits);
+	sbp->f_bsize = bpu * bsize;	/* fundamental file system block size */
+	sbp->f_blocks= units;		/* total data blocks in file system */
+	sbp->f_bfree = funits;		/* free blocks in fs */
+	sbp->f_bavail= funits;		/* free blocks avail to non-superuser */
+	sbp->f_files = 0xffff;		/* total file nodes in file system */
+	sbp->f_ffree = 0xffff;		/* free file nodes in fs */
+	smb_rq_done(rqp);
+	return 0;
+}
+
+int
+smbfs_smb_setfsize(struct smbnode *np, int newsize, struct smb_cred *scred)
+{
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct smb_rq rq, *rqp = &rq;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_WRITE, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
+	mb_put_uint16le(mbp, 0);
+	mb_put_uint32le(mbp, newsize);
+	mb_put_uint16le(mbp, 0);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_DATA);
+	mb_put_uint16le(mbp, 0);
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	smb_rq_done(rqp);
+	return error;
+}
+
+
+/*
+ * Set DOS file attributes. mtime should be NULL for dialects above lm10
+ */
+int
+smbfs_smb_setpattr(struct smbnode *np, u_int16_t attr, struct timespec *mtime,
+	struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct mbchain *mbp;
+	u_long time;
+	int error, svtz;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_SET_INFORMATION, scred);
+	if (error)
+		return error;
+	svtz = SSTOVC(ssp)->vc_sopt.sv_tz;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, attr);
+	if (mtime) {
+		smb_time_local2server(mtime, svtz, &time);
+	} else
+		time = 0;
+	mb_put_uint32le(mbp, time);		/* mtime */
+	mb_put_mem(mbp, NULL, 5 * 2, MB_MZERO);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	do {
+		error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
+		if (error)
+			break;
+		mb_put_uint8(mbp, SMB_DT_ASCII);
+		mb_put_uint8(mbp, 0);
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+		SMBERROR("%d\n", error);
+		if (error)
+			break;
+	} while(0);
+	smb_rq_done(rqp);
+	return error;
+}
+
+/*
+ * Note, win95 doesn't support this call.
+ */
+int
+smbfs_smb_setptime2(struct smbnode *np, struct timespec *mtime,
+	struct timespec *atime, int attr, struct smb_cred *scred)
+{
+	struct smb_t2rq *t2p;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct smb_vc *vcp = SSTOVC(ssp);
+	struct mbchain *mbp;
+	u_int16_t date, time;
+	int error, tzoff;
+
+	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_PATH_INFORMATION,
+	    scred, &t2p);
+	if (error)
+		return error;
+	mbp = &t2p->t2_tparam;
+	mb_init(mbp);
+	mb_put_uint16le(mbp, SMB_INFO_STANDARD);
+	mb_put_uint32le(mbp, 0);		/* MBZ */
+	error = smbfs_fullpath(mbp, vcp, np, NULL, 0);
+	if (error) {
+		smb_t2_done(t2p);
+		return error;
+	}
+	tzoff = vcp->vc_sopt.sv_tz;
+	mbp = &t2p->t2_tdata;
+	mb_init(mbp);
+	mb_put_uint32le(mbp, 0);		/* creation time */
+	if (atime)
+		smb_time_unix2dos(atime, tzoff, &date, &time, NULL);
+	else
+		time = date = 0;
+	mb_put_uint16le(mbp, date);
+	mb_put_uint16le(mbp, time);
+	if (mtime)
+		smb_time_unix2dos(mtime, tzoff, &date, &time, NULL);
+	else
+		time = date = 0;
+	mb_put_uint16le(mbp, date);
+	mb_put_uint16le(mbp, time);
+	mb_put_uint32le(mbp, 0);		/* file size */
+	mb_put_uint32le(mbp, 0);		/* allocation unit size */
+	mb_put_uint16le(mbp, attr);	/* DOS attr */
+	mb_put_uint32le(mbp, 0);		/* EA size */
+	t2p->t2_maxpcount = 5 * 2;
+	t2p->t2_maxdcount = vcp->vc_txmax;
+	error = smb_t2_request(t2p);
+	smb_t2_done(t2p);
+	return error;
+}
+
+/*
+ * NT level. Specially for win9x
+ */
+int
+smbfs_smb_setpattrNT(struct smbnode *np, u_short attr, struct timespec *mtime,
+	struct timespec *atime, struct smb_cred *scred)
+{
+	struct smb_t2rq *t2p;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct smb_vc *vcp = SSTOVC(ssp);
+	struct mbchain *mbp;
+	int64_t tm;
+	int error, tzoff;
+
+	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_PATH_INFORMATION,
+	    scred, &t2p);
+	if (error)
+		return error;
+	mbp = &t2p->t2_tparam;
+	mb_init(mbp);
+	mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO);
+	mb_put_uint32le(mbp, 0);		/* MBZ */
+	error = smbfs_fullpath(mbp, vcp, np, NULL, 0);
+	if (error) {
+		smb_t2_done(t2p);
+		return error;
+	}
+	tzoff = vcp->vc_sopt.sv_tz;
+	mbp = &t2p->t2_tdata;
+	mb_init(mbp);
+	mb_put_int64le(mbp, 0);		/* creation time */
+	if (atime) {
+		smb_time_local2NT(atime, tzoff, &tm);
+	} else
+		tm = 0;
+	mb_put_int64le(mbp, tm);
+	if (mtime) {
+		smb_time_local2NT(mtime, tzoff, &tm);
+	} else
+		tm = 0;
+	mb_put_int64le(mbp, tm);
+	mb_put_int64le(mbp, tm);		/* change time */
+	mb_put_uint32le(mbp, attr);		/* attr */
+	t2p->t2_maxpcount = 24;
+	t2p->t2_maxdcount = 56;
+	error = smb_t2_request(t2p);
+	smb_t2_done(t2p);
+	return error;
+}
+
+/*
+ * Set file atime and mtime. Doesn't supported by core dialect.
+ */
+int
+smbfs_smb_setftime(struct smbnode *np, struct timespec *mtime,
+	struct timespec *atime, struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct mbchain *mbp;
+	u_int16_t date, time;
+	int error, tzoff;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_SET_INFORMATION2, scred);
+	if (error)
+		return error;
+	tzoff = SSTOVC(ssp)->vc_sopt.sv_tz;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
+	mb_put_uint32le(mbp, 0);		/* creation time */
+
+	if (atime)
+		smb_time_unix2dos(atime, tzoff, &date, &time, NULL);
+	else
+		time = date = 0;
+	mb_put_uint16le(mbp, date);
+	mb_put_uint16le(mbp, time);
+	if (mtime)
+		smb_time_unix2dos(mtime, tzoff, &date, &time, NULL);
+	else
+		time = date = 0;
+	mb_put_uint16le(mbp, date);
+	mb_put_uint16le(mbp, time);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	SMBSDEBUG("%d\n", error);
+	smb_rq_done(rqp);
+	return error;
+}
+
+/*
+ * Set DOS file attributes.
+ * Looks like this call can be used only if CAP_NT_SMBS bit is on.
+ */
+int
+smbfs_smb_setfattrNT(struct smbnode *np, u_int16_t attr, struct timespec *mtime,
+	struct timespec *atime, struct smb_cred *scred)
+{
+	struct smb_t2rq *t2p;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct mbchain *mbp;
+	int64_t tm;
+	int error, svtz;
+
+	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_FILE_INFORMATION,
+	    scred, &t2p);
+	if (error)
+		return error;
+	svtz = SSTOVC(ssp)->vc_sopt.sv_tz;
+	mbp = &t2p->t2_tparam;
+	mb_init(mbp);
+	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
+	mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO);
+	mb_put_uint32le(mbp, 0);
+	mbp = &t2p->t2_tdata;
+	mb_init(mbp);
+	mb_put_int64le(mbp, 0);		/* creation time */
+	if (atime) {
+		smb_time_local2NT(atime, svtz, &tm);
+	} else
+		tm = 0;
+	mb_put_int64le(mbp, tm);
+	if (mtime) {
+		smb_time_local2NT(mtime, svtz, &tm);
+	} else
+		tm = 0;
+	mb_put_int64le(mbp, tm);
+	mb_put_int64le(mbp, tm);		/* change time */
+	mb_put_uint16le(mbp, attr);
+	mb_put_uint32le(mbp, 0);			/* padding */
+	mb_put_uint16le(mbp, 0);
+	t2p->t2_maxpcount = 2;
+	t2p->t2_maxdcount = 0;
+	error = smb_t2_request(t2p);
+	smb_t2_done(t2p);
+	return error;
+}
+
+
+int
+smbfs_smb_open(struct smbnode *np, int accmode, struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct mbchain *mbp;
+	struct mdchain *mdp;
+	u_int8_t wc;
+	u_int16_t fid, wattr, grantedmode;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_OPEN, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, accmode);
+	mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	do {
+		error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
+		if (error)
+			break;
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+		if (error)
+			break;
+		smb_rq_getreply(rqp, &mdp);
+		if (md_get_uint8(mdp, &wc) != 0 || wc != 7) {
+			error = EBADRPC;
+			break;
+		}
+		md_get_uint16(mdp, &fid);
+		md_get_uint16le(mdp, &wattr);
+		md_get_uint32(mdp, NULL);	/* mtime */
+		md_get_uint32(mdp, NULL);	/* fsize */
+		md_get_uint16le(mdp, &grantedmode);
+		/*
+		 * TODO: refresh attributes from this reply
+		 */
+	} while(0);
+	smb_rq_done(rqp);
+	if (error)
+		return error;
+	np->n_fid = fid;
+	np->n_rwstate = grantedmode;
+	return 0;
+}
+
+
+int
+smbfs_smb_close(struct smb_share *ssp, u_int16_t fid, struct timespec *mtime,
+	struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct mbchain *mbp;
+	u_long time;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CLOSE, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM);
+	if (mtime) {
+		smb_time_local2server(mtime, SSTOVC(ssp)->vc_sopt.sv_tz, &time);
+	} else
+		time = 0;
+	mb_put_uint32le(mbp, time);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	smb_rq_done(rqp);
+	return error;
+}
+
+int
+smbfs_smb_create(struct smbnode *dnp, const char *name, int nmlen,
+	struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = dnp->n_mount->sm_share;
+	struct mbchain *mbp;
+	struct mdchain *mdp;
+	struct timespec ctime;
+	u_int8_t wc;
+	u_int16_t fid;
+	u_long tm;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CREATE, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, SMB_FA_ARCHIVE);		/* attributes  */
+	nanotime(&ctime);
+	smb_time_local2server(&ctime, SSTOVC(ssp)->vc_sopt.sv_tz, &tm);
+	mb_put_uint32le(mbp, tm);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	error = smbfs_fullpath(mbp, SSTOVC(ssp), dnp, name, nmlen);
+	if (!error) {
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+		if (!error) {
+			smb_rq_getreply(rqp, &mdp);
+			md_get_uint8(mdp, &wc);
+			if (wc == 1)
+				md_get_uint16(mdp, &fid);
+			else
+				error = EBADRPC;
+		}
+	}
+	smb_rq_done(rqp);
+	if (error)
+		return error;
+	smbfs_smb_close(ssp, fid, &ctime, scred);
+	return error;
+}
+
+int
+smbfs_smb_delete(struct smbnode *np, struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_DELETE, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
+	if (!error) {
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+	}
+	smb_rq_done(rqp);
+	return error;
+}
+
+int
+smbfs_smb_rename(struct smbnode *src, struct smbnode *tdnp,
+	const char *tname, int tnmlen, struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = src->n_mount->sm_share;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_RENAME, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	do {
+		error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0);
+		if (error)
+			break;
+		mb_put_uint8(mbp, SMB_DT_ASCII);
+		error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen);
+		if (error)
+			break;
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+	} while(0);
+	smb_rq_done(rqp);
+	return error;
+}
+
+int
+smbfs_smb_move(struct smbnode *src, struct smbnode *tdnp,
+	const char *tname, int tnmlen, u_int16_t flags, struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = src->n_mount->sm_share;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_MOVE, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, SMB_TID_UNKNOWN);
+	mb_put_uint16le(mbp, 0x20);	/* delete target file */
+	mb_put_uint16le(mbp, flags);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	do {
+		error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0);
+		if (error)
+			break;
+		mb_put_uint8(mbp, SMB_DT_ASCII);
+		error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen);
+		if (error)
+			break;
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+	} while(0);
+	smb_rq_done(rqp);
+	return error;
+}
+
+int
+smbfs_smb_mkdir(struct smbnode *dnp, const char *name, int len,
+	struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = dnp->n_mount->sm_share;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CREATE_DIRECTORY, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	error = smbfs_fullpath(mbp, SSTOVC(ssp), dnp, name, len);
+	if (!error) {
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+	}
+	smb_rq_done(rqp);
+	return error;
+}
+
+int
+smbfs_smb_rmdir(struct smbnode *np, struct smb_cred *scred)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct smb_share *ssp = np->n_mount->sm_share;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_DELETE_DIRECTORY, scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);
+	error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
+	if (!error) {
+		smb_rq_bend(rqp);
+		error = smb_rq_simple(rqp);
+	}
+	smb_rq_done(rqp);
+	return error;
+}
+
+static int
+smbfs_smb_search(struct smbfs_fctx *ctx)
+{
+	struct smb_vc *vcp = SSTOVC(ctx->f_ssp);
+	struct smb_rq *rqp;
+	struct mbchain *mbp;
+	struct mdchain *mdp;
+	u_int8_t wc, bt;
+	u_int16_t ec, dlen, bc;
+	int maxent, error, iseof = 0;
+
+	maxent = min(ctx->f_left, (vcp->vc_txmax - SMB_HDRLEN - 3) / SMB_DENTRYLEN);
+	if (ctx->f_rq) {
+		smb_rq_done(ctx->f_rq);
+		ctx->f_rq = NULL;
+	}
+	error = smb_rq_alloc(SSTOCP(ctx->f_ssp), SMB_COM_SEARCH, ctx->f_scred, &rqp);
+	if (error)
+		return error;
+	ctx->f_rq = rqp;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_uint16le(mbp, maxent);	/* max entries to return */
+	mb_put_uint16le(mbp, ctx->f_attrmask);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	mb_put_uint8(mbp, SMB_DT_ASCII);	/* buffer format */
+	if (ctx->f_flags & SMBFS_RDD_FINDFIRST) {
+		error = smbfs_fullpath(mbp, vcp, ctx->f_dnp, ctx->f_wildcard, ctx->f_wclen);
+		if (error)
+			return error;
+		mb_put_uint8(mbp, SMB_DT_VARIABLE);
+		mb_put_uint16le(mbp, 0);	/* context length */
+		ctx->f_flags &= ~SMBFS_RDD_FINDFIRST;
+	} else {
+		mb_put_uint8(mbp, 0);	/* file name length */
+		mb_put_uint8(mbp, SMB_DT_VARIABLE);
+		mb_put_uint16le(mbp, SMB_SKEYLEN);
+		mb_put_mem(mbp, ctx->f_skey, SMB_SKEYLEN, MB_MSYSTEM);
+	}
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	if (error) {
+		if (rqp->sr_errclass == ERRDOS && rqp->sr_serror == ERRnofiles) {
+			error = 0;
+			iseof = 1;
+			ctx->f_flags |= SMBFS_RDD_EOF;
+		} else
+			return error;
+	}
+	smb_rq_getreply(rqp, &mdp);
+	md_get_uint8(mdp, &wc);
+	if (wc != 1) 
+		return iseof ? ENOENT : EBADRPC;
+	md_get_uint16le(mdp, &ec);
+	if (ec == 0)
+		return ENOENT;
+	ctx->f_ecnt = ec;
+	md_get_uint16le(mdp, &bc);
+	if (bc < 3)
+		return EBADRPC;
+	bc -= 3;
+	md_get_uint8(mdp, &bt);
+	if (bt != SMB_DT_VARIABLE)
+		return EBADRPC;
+	md_get_uint16le(mdp, &dlen);
+	if (dlen != bc || dlen % SMB_DENTRYLEN != 0)
+		return EBADRPC;
+	return 0;
+}
+
+static int
+smbfs_findopenLM1(struct smbfs_fctx *ctx, struct smbnode *dnp,
+	const char *wildcard, int wclen, int attr, struct smb_cred *scred)
+{
+	ctx->f_attrmask = attr;
+	if (wildcard) {
+		if (wclen == 1 && wildcard[0] == '*') {
+			ctx->f_wildcard = "*.*";
+			ctx->f_wclen = 3;
+		} else {
+			ctx->f_wildcard = wildcard;
+			ctx->f_wclen = wclen;
+		}
+	} else {
+		ctx->f_wildcard = NULL;
+		ctx->f_wclen = 0;
+	}
+	ctx->f_name = ctx->f_fname;
+	return 0;
+}
+
+static int
+smbfs_findnextLM1(struct smbfs_fctx *ctx, int limit)
+{
+	struct mdchain *mbp;
+	struct smb_rq *rqp;
+	char *cp;
+	u_int8_t battr;
+	u_int16_t date, time;
+	u_int32_t size;
+	int error;
+
+	if (ctx->f_ecnt == 0) {
+		if (ctx->f_flags & SMBFS_RDD_EOF)
+			return ENOENT;
+		ctx->f_left = ctx->f_limit = limit;
+		error = smbfs_smb_search(ctx);
+		if (error)
+			return error;
+	}
+	rqp = ctx->f_rq;
+	smb_rq_getreply(rqp, &mbp);
+	md_get_mem(mbp, ctx->f_skey, SMB_SKEYLEN, MB_MSYSTEM);
+	md_get_uint8(mbp, &battr);
+	md_get_uint16le(mbp, &time);
+	md_get_uint16le(mbp, &date);
+	md_get_uint32le(mbp, &size);
+	cp = ctx->f_name;
+	md_get_mem(mbp, cp, sizeof(ctx->f_fname), MB_MSYSTEM);
+	cp[sizeof(ctx->f_fname) - 1] = 0;
+	cp += strlen(cp) - 1;
+	while (*cp == ' ' && cp >= ctx->f_name)
+		*cp-- = 0;
+	ctx->f_attr.fa_attr = battr;
+	smb_dos2unixtime(date, time, 0, rqp->sr_vc->vc_sopt.sv_tz,
+	    &ctx->f_attr.fa_mtime);
+	ctx->f_attr.fa_size = size;
+	ctx->f_nmlen = strlen(ctx->f_name);
+	ctx->f_ecnt--;
+	ctx->f_left--;
+	return 0;
+}
+
+static int
+smbfs_findcloseLM1(struct smbfs_fctx *ctx)
+{
+	if (ctx->f_rq)
+		smb_rq_done(ctx->f_rq);
+	return 0;
+}
+
+/*
+ * TRANS2_FIND_FIRST2/NEXT2, used for NT LM12 dialect
+ */
+static int
+smbfs_smb_trans2find2(struct smbfs_fctx *ctx)
+{
+	struct smb_t2rq *t2p;
+	struct smb_vc *vcp = SSTOVC(ctx->f_ssp);
+	struct mbchain *mbp;
+	struct mdchain *mdp;
+	u_int16_t tw, flags;
+	int error;
+
+	if (ctx->f_t2) {
+		smb_t2_done(ctx->f_t2);
+		ctx->f_t2 = NULL;
+	}
+	ctx->f_flags &= ~SMBFS_RDD_GOTRNAME;
+	flags = 8 | 2;			/* <resume> | <close if EOS> */
+	if (ctx->f_flags & SMBFS_RDD_FINDSINGLE) {
+		flags |= 1;		/* close search after this request */
+		ctx->f_flags |= SMBFS_RDD_NOCLOSE;
+	}
+	if (ctx->f_flags & SMBFS_RDD_FINDFIRST) {
+		error = smb_t2_alloc(SSTOCP(ctx->f_ssp), SMB_TRANS2_FIND_FIRST2,
+		    ctx->f_scred, &t2p);
+		if (error)
+			return error;
+		ctx->f_t2 = t2p;
+		mbp = &t2p->t2_tparam;
+		mb_init(mbp);
+		mb_put_uint16le(mbp, ctx->f_attrmask);
+		mb_put_uint16le(mbp, ctx->f_limit);
+		mb_put_uint16le(mbp, flags);
+		mb_put_uint16le(mbp, ctx->f_infolevel);
+		mb_put_uint32le(mbp, 0);
+		error = smbfs_fullpath(mbp, vcp, ctx->f_dnp, ctx->f_wildcard, ctx->f_wclen);
+		if (error)
+			return error;
+	} else	{
+		error = smb_t2_alloc(SSTOCP(ctx->f_ssp), SMB_TRANS2_FIND_NEXT2,
+		    ctx->f_scred, &t2p);
+		if (error)
+			return error;
+		ctx->f_t2 = t2p;
+		mbp = &t2p->t2_tparam;
+		mb_init(mbp);
+		mb_put_mem(mbp, (caddr_t)&ctx->f_Sid, 2, MB_MSYSTEM);
+		mb_put_uint16le(mbp, ctx->f_limit);
+		mb_put_uint16le(mbp, ctx->f_infolevel);
+		mb_put_uint32le(mbp, 0);		/* resume key */
+		mb_put_uint16le(mbp, flags);
+		if (ctx->f_rname)
+			mb_put_mem(mbp, ctx->f_rname, strlen(ctx->f_rname) + 1, MB_MSYSTEM);
+		else
+			mb_put_uint8(mbp, 0);	/* resume file name */
+#if 0
+	struct timeval tv;
+	tv.tv_sec = 0;
+	tv.tv_usec = 200 * 1000;	/* 200ms */
+		if (vcp->vc_flags & SMBC_WIN95) {
+			/*
+			 * some implementations suggests to sleep here
+			 * for 200ms, due to the bug in the Win95.
+			 * I've didn't notice any problem, but put code
+			 * for it.
+			 */
+			 tsleep(&flags, PVFS, "fix95", tvtohz(&tv));
+		}
+#endif
+	}
+	t2p->t2_maxpcount = 5 * 2;
+	t2p->t2_maxdcount = vcp->vc_txmax;
+	error = smb_t2_request(t2p);
+	if (error)
+		return error;
+	mdp = &t2p->t2_rparam;
+	if (ctx->f_flags & SMBFS_RDD_FINDFIRST) {
+		if ((error = md_get_uint16(mdp, &ctx->f_Sid)) != 0)
+			return error;
+		ctx->f_flags &= ~SMBFS_RDD_FINDFIRST;
+	}
+	if ((error = md_get_uint16le(mdp, &tw)) != 0)
+		return error;
+	ctx->f_ecnt = tw;
+	if ((error = md_get_uint16le(mdp, &tw)) != 0)
+		return error;
+	if (tw)
+		ctx->f_flags |= SMBFS_RDD_EOF | SMBFS_RDD_NOCLOSE;
+	if ((error = md_get_uint16le(mdp, &tw)) != 0)
+		return error;
+	if ((error = md_get_uint16le(mdp, &tw)) != 0)
+		return error;
+	if (ctx->f_ecnt == 0)
+		return ENOENT;
+	ctx->f_rnameofs = tw;
+	mdp = &t2p->t2_rdata;
+	if (mdp->md_top == NULL) {
+		printf("bug: ecnt = %d, but data is NULL (please report)\n", ctx->f_ecnt);
+		return ENOENT;
+	}
+	if (mdp->md_top->m_len == 0) {
+		printf("bug: ecnt = %d, but m_len = 0 and m_next = %p (please report)\n", ctx->f_ecnt,mbp->mb_top->m_next);
+		return ENOENT;
+	}
+	ctx->f_eofs = 0;
+	return 0;
+}
+
+static int
+smbfs_smb_findclose2(struct smbfs_fctx *ctx)
+{
+	struct smb_rq rq, *rqp = &rq;
+	struct mbchain *mbp;
+	int error;
+
+	error = smb_rq_init(rqp, SSTOCP(ctx->f_ssp), SMB_COM_FIND_CLOSE2, ctx->f_scred);
+	if (error)
+		return error;
+	smb_rq_getrequest(rqp, &mbp);
+	smb_rq_wstart(rqp);
+	mb_put_mem(mbp, (caddr_t)&ctx->f_Sid, 2, MB_MSYSTEM);
+	smb_rq_wend(rqp);
+	smb_rq_bstart(rqp);
+	smb_rq_bend(rqp);
+	error = smb_rq_simple(rqp);
+	smb_rq_done(rqp);
+	return error;
+}
+
+static int
+smbfs_findopenLM2(struct smbfs_fctx *ctx, struct smbnode *dnp,
+	const char *wildcard, int wclen, int attr, struct smb_cred *scred)
+{
+	ctx->f_name = malloc(SMB_MAXFNAMELEN, M_SMBFSDATA, M_WAITOK);
+	if (ctx->f_name == NULL)
+		return ENOMEM;
+	ctx->f_infolevel = SMB_DIALECT(SSTOVC(ctx->f_ssp)) < SMB_DIALECT_NTLM0_12 ?
+	    SMB_INFO_STANDARD : SMB_FIND_FILE_DIRECTORY_INFO;
+	ctx->f_attrmask = attr;
+	ctx->f_wildcard = wildcard;
+	ctx->f_wclen = wclen;
+	return 0;
+}
+
+static int
+smbfs_findnextLM2(struct smbfs_fctx *ctx, int limit)
+{
+	struct mdchain *mbp;
+	struct smb_t2rq *t2p;
+	char *cp;
+	u_int8_t tb;
+	u_int16_t date, time, wattr;
+	u_int32_t size, next, dattr;
+	int64_t lint;
+	int error, svtz, cnt, fxsz, nmlen, recsz;
+
+	if (ctx->f_ecnt == 0) {
+		if (ctx->f_flags & SMBFS_RDD_EOF)
+			return ENOENT;
+		ctx->f_left = ctx->f_limit = limit;
+		error = smbfs_smb_trans2find2(ctx);
+		if (error)
+			return error;
+	}
+	t2p = ctx->f_t2;
+	mbp = &t2p->t2_rdata;
+	svtz = SSTOVC(ctx->f_ssp)->vc_sopt.sv_tz;
+	switch (ctx->f_infolevel) {
+	    case SMB_INFO_STANDARD:
+		next = 0;
+		fxsz = 0;
+		md_get_uint16le(mbp, &date);
+		md_get_uint16le(mbp, &time);	/* creation time */
+		md_get_uint16le(mbp, &date);
+		md_get_uint16le(mbp, &time);	/* access time */
+		smb_dos2unixtime(date, time, 0, svtz, &ctx->f_attr.fa_atime);
+		md_get_uint16le(mbp, &date);
+		md_get_uint16le(mbp, &time);	/* access time */
+		smb_dos2unixtime(date, time, 0, svtz, &ctx->f_attr.fa_mtime);
+		md_get_uint32le(mbp, &size);
+		ctx->f_attr.fa_size = size;
+		md_get_uint32(mbp, NULL);	/* allocation size */
+		md_get_uint16le(mbp, &wattr);
+		ctx->f_attr.fa_attr = wattr;
+		md_get_uint8(mbp, &tb);
+		size = nmlen = tb;
+		fxsz = 23;
+		recsz = next = 24 + nmlen;	/* docs misses zero byte at end */
+		break;
+	    case SMB_FIND_FILE_DIRECTORY_INFO:
+		md_get_uint32le(mbp, &next);
+		md_get_uint32(mbp, NULL);	/* file index */
+		md_get_int64(mbp, NULL);	/* creation time */
+		md_get_int64le(mbp, &lint);
+		smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_atime);
+		md_get_int64le(mbp, &lint);
+		smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_mtime);
+		md_get_int64le(mbp, &lint);
+		smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_ctime);
+		md_get_int64le(mbp, &lint);	/* file size */
+		ctx->f_attr.fa_size = lint;
+		md_get_int64(mbp, NULL);	/* real size (should use) */
+		md_get_uint32(mbp, &dattr);	/* EA */
+		ctx->f_attr.fa_attr = dattr;
+		md_get_uint32le(mbp, &size);	/* name len */
+		fxsz = 64;
+		recsz = next ? next : fxsz + size;
+		break;
+	    default:
+		SMBERROR("unexpected info level %d\n", ctx->f_infolevel);
+		return EINVAL;
+	}
+	nmlen = min(size, SMB_MAXFNAMELEN);
+	cp = ctx->f_name;
+	error = md_get_mem(mbp, cp, nmlen, MB_MSYSTEM);
+	if (error)
+		return error;
+	if (next) {
+		cnt = next - nmlen - fxsz;
+		if (cnt > 0)
+			md_get_mem(mbp, NULL, cnt, MB_MSYSTEM);
+		else if (cnt < 0) {
+			SMBERROR("out of sync\n");
+			return EBADRPC;
+		}
+	}
+	if (nmlen && cp[nmlen - 1] == 0)
+		nmlen--;
+	if (nmlen == 0)
+		return EBADRPC;
+
+	next = ctx->f_eofs + recsz;
+	if (ctx->f_rnameofs && (ctx->f_flags & SMBFS_RDD_GOTRNAME) == 0 &&
+	    (ctx->f_rnameofs >= ctx->f_eofs && ctx->f_rnameofs < next)) {
+		/*
+		 * Server needs a resume filename.
+		 */
+		if (ctx->f_rnamelen <= nmlen) {
+			if (ctx->f_rname)
+				free(ctx->f_rname, M_SMBFSDATA);
+			ctx->f_rname = malloc(nmlen + 1, M_SMBFSDATA, M_WAITOK);
+			ctx->f_rnamelen = nmlen;
+		}
+		bcopy(ctx->f_name, ctx->f_rname, nmlen);
+		ctx->f_rname[nmlen] = 0;
+		ctx->f_flags |= SMBFS_RDD_GOTRNAME;
+	}
+	ctx->f_nmlen = nmlen;
+	ctx->f_eofs = next;
+	ctx->f_ecnt--;
+	ctx->f_left--;
+	return 0;
+}
+
+static int
+smbfs_findcloseLM2(struct smbfs_fctx *ctx)
+{
+	if (ctx->f_name)
+		free(ctx->f_name, M_SMBFSDATA);
+	if (ctx->f_t2)
+		smb_t2_done(ctx->f_t2);
+	if ((ctx->f_flags & SMBFS_RDD_NOCLOSE) == 0)
+		smbfs_smb_findclose2(ctx);
+	return 0;
+}
+
+int
+smbfs_findopen(struct smbnode *dnp, const char *wildcard, int wclen, int attr,
+	struct smb_cred *scred, struct smbfs_fctx **ctxpp)
+{
+	struct smbfs_fctx *ctx;
+	int error;
+
+	ctx = malloc(sizeof(*ctx), M_SMBFSDATA, M_WAITOK);
+	if (ctx == NULL)
+		return ENOMEM;
+	bzero(ctx, sizeof(*ctx));
+	ctx->f_ssp = dnp->n_mount->sm_share;
+	ctx->f_dnp = dnp;
+	ctx->f_flags = SMBFS_RDD_FINDFIRST;
+	ctx->f_scred = scred;
+	if (SMB_DIALECT(SSTOVC(ctx->f_ssp)) < SMB_DIALECT_LANMAN2_0 ||
+	    (dnp->n_mount->sm_args.flags & SMBFS_MOUNT_NO_LONG)) {
+		ctx->f_flags |= SMBFS_RDD_USESEARCH;
+		error = smbfs_findopenLM1(ctx, dnp, wildcard, wclen, attr, scred);
+	} else
+		error = smbfs_findopenLM2(ctx, dnp, wildcard, wclen, attr, scred);
+	if (error)
+		smbfs_findclose(ctx, scred);
+	else
+		*ctxpp = ctx;
+	return error;
+}
+
+int
+smbfs_findnext(struct smbfs_fctx *ctx, int limit, struct smb_cred *scred)
+{
+	int error;
+
+	if (limit == 0)
+		limit = 1000000;
+	else if (limit > 1)
+		limit *= 4;	/* imperical */
+	ctx->f_scred = scred;
+	for (;;) {
+		if (ctx->f_flags & SMBFS_RDD_USESEARCH) {
+			error = smbfs_findnextLM1(ctx, limit);
+		} else
+			error = smbfs_findnextLM2(ctx, limit);
+		if (error)
+			return error;
+		if ((ctx->f_nmlen == 1 && ctx->f_name[0] == '.') ||
+		    (ctx->f_nmlen == 2 && ctx->f_name[0] == '.' &&
+		     ctx->f_name[1] == '.'))
+			continue;
+		break;
+	}
+	smbfs_fname_tolocal(SSTOVC(ctx->f_ssp), ctx->f_name, ctx->f_nmlen,
+	    ctx->f_dnp->n_mount->sm_caseopt);
+	ctx->f_attr.fa_ino = smbfs_getino(ctx->f_dnp, ctx->f_name, ctx->f_nmlen);
+	return 0;
+}
+
+int
+smbfs_findclose(struct smbfs_fctx *ctx, struct smb_cred *scred)
+{
+	ctx->f_scred = scred;
+	if (ctx->f_flags & SMBFS_RDD_USESEARCH) {
+		smbfs_findcloseLM1(ctx);
+	} else
+		smbfs_findcloseLM2(ctx);
+	if (ctx->f_rname)
+		free(ctx->f_rname, M_SMBFSDATA);
+	free(ctx, M_SMBFSDATA);
+	return 0;
+}
+
+int
+smbfs_smb_lookup(struct smbnode *dnp, const char *name, int nmlen,
+	struct smbfattr *fap, struct smb_cred *scred)
+{
+	struct smbfs_fctx *ctx;
+	int error;
+
+	if (dnp == NULL || (dnp->n_ino == 2 && name == NULL)) {
+		bzero(fap, sizeof(*fap));
+		fap->fa_attr = SMB_FA_DIR;
+		fap->fa_ino = 2;
+		return 0;
+	}
+	if (nmlen == 1 && name[0] == '.') {
+		error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
+		return error;
+	} else if (nmlen == 2 && name[0] == '.' && name[1] == '.') {
+		error = smbfs_smb_lookup(dnp->n_parent, NULL, 0, fap, scred);
+		printf("%s: knows NOTHING about '..'\n", __FUNCTION__);
+		return error;
+	}
+	error = smbfs_findopen(dnp, name, nmlen,
+	    SMB_FA_SYSTEM | SMB_FA_HIDDEN | SMB_FA_DIR, scred, &ctx);
+	if (error)
+		return error;
+	ctx->f_flags |= SMBFS_RDD_FINDSINGLE;
+	error = smbfs_findnext(ctx, 1, scred);
+	if (error == 0) {
+		*fap = ctx->f_attr;
+		if (name == NULL)
+			fap->fa_ino = dnp->n_ino;
+	}
+	smbfs_findclose(ctx, scred);
+	return error;
+}