NetBSD-5.0.2/sys/fs/smbfs/smbfs_smb.c
/* $NetBSD: smbfs_smb.c,v 1.37 2008/06/24 10:23:48 gmcgarry Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jaromir Dolecek.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* 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: src/sys/fs/smbfs/smbfs_smb.c,v 1.3 2001/12/10 08:09:46 obrien Exp
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: smbfs_smb.c,v 1.37 2008/06/24 10:23:48 gmcgarry Exp $");
#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, void *id, off_t start, off_t end,
struct smb_cred *scred)
{
struct smb_share *ssp = np->n_mount->sm_share;
struct smb_rq *rqp;
struct mbchain *mbp;
u_char ltype = 0;
int error;
if (op == SMB_LOCK_SHARED)
ltype |= SMB_LOCKING_ANDX_SHARED_LOCK;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_LOCKING_ANDX, scred, &rqp);
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, (void *)&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, (((long) id) & 0xffff)); /* process ID */
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, void *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, id, start, end, scred);
}
int
smbfs_smb_statvfs(struct smb_share *ssp, struct statvfs *sbp,
struct smb_cred *scred)
{
unsigned long bsize; /* Block (allocation unit) size */
unsigned long bavail, bfree;
/*
* The SMB request work with notion of sector size and
* allocation units. Allocation unit is what 'block'
* means in Unix context, sector size might be HW sector size.
*/
if (SMB_DIALECT(SSTOVC(ssp)) >= SMB_DIALECT_LANMAN2_0) {
struct smb_t2rq *t2p;
struct mbchain *mbp;
struct mdchain *mdp;
u_int16_t secsz;
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); /* Number of sectors per unit */
md_get_uint32le(mdp, &units); /* Total number of units */
md_get_uint32le(mdp, &funits); /* Number of available units */
md_get_uint16le(mdp, &secsz); /* Number of bytes per sector */
smb_t2_done(t2p);
bsize = bpu * secsz;
bavail = units;
bfree = funits;
} else {
struct smb_rq *rqp;
struct mdchain *mdp;
u_int16_t units, bpu, secsz, funits;
int error;
error = smb_rq_alloc(SSTOCP(ssp),
SMB_COM_QUERY_INFORMATION_DISK, scred, &rqp);
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); /* Total units per server */
md_get_uint16le(mdp, &bpu); /* Blocks per allocation unit */
md_get_uint16le(mdp, &secsz); /* Block size (in bytes) */
md_get_uint16le(mdp, &funits); /* Number of free units */
smb_rq_done(rqp);
bsize = bpu * secsz;
bavail = units;
bfree = funits;
}
sbp->f_bsize = bsize; /* fundamental file system block size */
sbp->f_frsize = bsize; /* fundamental file system frag size */
sbp->f_iosize = bsize; /* optimal I/O size */
sbp->f_blocks = bavail; /* total data blocks in file system */
sbp->f_bfree = bfree; /* free blocks in fs */
sbp->f_bresvd = 0; /* reserved blocks in fs */
sbp->f_bavail= bfree; /* free blocks avail to non-superuser */
sbp->f_files = 0xffff; /* total file nodes in file system */
sbp->f_ffree = 0xffff; /* free file nodes to non-superuser */
sbp->f_favail = 0xffff; /* free file nodes in fs */
sbp->f_fresvd = 0; /* reserved file nodes in fs */
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 *rqp;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_WRITE, scred, &rqp);
if (error)
return error;
smb_rq_getrequest(rqp, &mbp);
smb_rq_wstart(rqp);
mb_put_mem(mbp, (void *)&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 *rqp;
struct smb_share *ssp = np->n_mount->sm_share;
struct mbchain *mbp;
u_long xtime;
int error, svtz;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_SET_INFORMATION, scred, &rqp);
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, &xtime);
} else
xtime = 0;
mb_put_uint32le(mbp, xtime); /* 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);
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 xdate, xtime;
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, &xdate, &xtime, NULL);
else
xtime = xdate = 0;
mb_put_uint16le(mbp, xdate);
mb_put_uint16le(mbp, xtime);
if (mtime)
smb_time_unix2dos(mtime, tzoff, &xdate, &xtime, NULL);
else
xtime = xdate = 0;
mb_put_uint16le(mbp, xdate);
mb_put_uint16le(mbp, xtime);
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
*/
#if 0
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;
}
#endif
/*
* 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 *rqp;
struct smb_share *ssp = np->n_mount->sm_share;
struct mbchain *mbp;
u_int16_t xdate, xtime;
int error, tzoff;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_SET_INFORMATION2, scred, &rqp);
if (error)
return error;
tzoff = SSTOVC(ssp)->vc_sopt.sv_tz;
smb_rq_getrequest(rqp, &mbp);
smb_rq_wstart(rqp);
mb_put_mem(mbp, (void *)&np->n_fid, 2, MB_MSYSTEM);
mb_put_uint32le(mbp, 0); /* creation time */
if (atime)
smb_time_unix2dos(atime, tzoff, &xdate, &xtime, NULL);
else
xtime = xdate = 0;
mb_put_uint16le(mbp, xdate);
mb_put_uint16le(mbp, xtime);
if (mtime)
smb_time_unix2dos(mtime, tzoff, &xdate, &xtime, NULL);
else
xtime = xdate = 0;
mb_put_uint16le(mbp, xdate);
mb_put_uint16le(mbp, xtime);
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, (void *)&np->n_fid, 2, MB_MSYSTEM); /* FID */
mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO); /* info level */
mb_put_uint32le(mbp, 0); /* reserved */
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 *rqp;
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_alloc(SSTOCP(ssp), SMB_COM_OPEN, scred, &rqp);
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 *rqp;
struct mbchain *mbp;
u_long xtime;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_CLOSE, scred, &rqp);
if (error)
return error;
smb_rq_getrequest(rqp, &mbp);
smb_rq_wstart(rqp);
mb_put_mem(mbp, (void *)&fid, sizeof(fid), MB_MSYSTEM);
if (mtime) {
smb_time_local2server(mtime, SSTOVC(ssp)->vc_sopt.sv_tz, &xtime);
} else
xtime = 0;
mb_put_uint32le(mbp, xtime);
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 *rqp;
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_alloc(SSTOCP(ssp), SMB_COM_CREATE_NEW, scred, &rqp);
if (error)
return error;
smb_rq_getrequest(rqp, &mbp);
/* get current time */
getnanotime(&ctime);
smb_time_local2server(&ctime, SSTOVC(ssp)->vc_sopt.sv_tz, &tm);
smb_rq_wstart(rqp);
mb_put_uint16le(mbp, SMB_FA_ARCHIVE); /* attributes */
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_uint16le(mdp, &fid);
else
error = EBADRPC;
}
}
smb_rq_done(rqp);
if (!error)
smbfs_smb_close(ssp, fid, &ctime, scred);
return (error);
}
int
smbfs_smb_delete(struct smbnode *np, struct smb_cred *scred)
{
struct smb_rq *rqp;
struct smb_share *ssp = np->n_mount->sm_share;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_DELETE, scred, &rqp);
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 *rqp;
struct smb_share *ssp = src->n_mount->sm_share;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_RENAME, scred, &rqp);
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;
}
#ifdef notnow
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 *rqp;
struct smb_share *ssp = src->n_mount->sm_share;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(rqp, SSTOCP(ssp), SMB_COM_MOVE, scred, &rqp);
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;
}
#endif
int
smbfs_smb_mkdir(struct smbnode *dnp, const char *name, int len,
struct smb_cred *scred)
{
struct smb_rq *rqp;
struct smb_share *ssp = dnp->n_mount->sm_share;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_CREATE_DIRECTORY, scred, &rqp);
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 *rqp;
struct smb_share *ssp = np->n_mount->sm_share;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_DELETE_DIRECTORY, scred, &rqp);
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;
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 (error == ENOENT)
ctx->f_flags |= SMBFS_RDD_EOF;
return error;
}
smb_rq_getreply(rqp, &mdp);
md_get_uint8(mdp, &wc);
if (wc != 1)
return 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 xdate, xtime;
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, &xtime);
md_get_uint16le(mbp, &xdate);
md_get_uint32le(mbp, &size);
KASSERT(ctx->f_name == ctx->f_fname);
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(xdate, xtime, 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, (void *)&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) {
ctx->f_flags |= SMBFS_RDD_EOF | SMBFS_RDD_NOCLOSE;
return ENOENT;
}
ctx->f_rnameofs = tw;
mdp = &t2p->t2_rdata;
KASSERT(mdp->md_top != NULL);
KASSERT(mdp->md_top->m_len != 0);
ctx->f_eofs = 0;
return 0;
}
static int
smbfs_smb_findclose2(struct smbfs_fctx *ctx)
{
struct smb_rq *rqp;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ctx->f_ssp), SMB_COM_FIND_CLOSE2, ctx->f_scred, &rqp);
if (error)
return error;
smb_rq_getrequest(rqp, &mbp);
smb_rq_wstart(rqp);
mb_put_mem(mbp, (void *)&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 xdate, xtime, wattr;
u_int32_t size, next, dattr;
int64_t tmp;
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, &xdate);
md_get_uint16le(mbp, &xtime); /* creation time */
md_get_uint16le(mbp, &xdate);
md_get_uint16le(mbp, &xtime); /* access time */
smb_dos2unixtime(xdate, xtime, 0, svtz, &ctx->f_attr.fa_atime);
md_get_uint16le(mbp, &xdate);
md_get_uint16le(mbp, &xtime); /* access time */
smb_dos2unixtime(xdate, xtime, 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, &tmp);
smb_time_NT2local(tmp, svtz, &ctx->f_attr.fa_atime);
md_get_int64le(mbp, &tmp);
smb_time_NT2local(tmp, svtz, &ctx->f_attr.fa_mtime);
md_get_int64le(mbp, &tmp);
smb_time_NT2local(tmp, svtz, &ctx->f_attr.fa_ctime);
md_get_int64le(mbp, &tmp); /* file size */
ctx->f_attr.fa_size = tmp;
md_get_int64(mbp, NULL); /* real size (should use) */
md_get_uint32le(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:
#ifdef DIAGNOSTIC
panic("smbfs_findnextLM2: unexpected info level %d\n",
ctx->f_infolevel);
#else
return EINVAL;
#endif
}
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);
#ifdef DIAGNOSTIC
else if (cnt < 0)
panic("smbfs_findnextLM2: out of sync");
#endif
}
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|M_ZERO);
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; /* empirical */
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;
/* Skip '.' and '..' */
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(VTOSMB(dnp->n_parent), NULL, 0,
fap, scred);
printf("%s: knows NOTHING about '..'\n", __func__);
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;
/*
* Check the returned file name case exactly
* matches requested file name. ctx->f_nmlen is
* guaranteed to always match nmlen.
*/
if (nmlen > 0 && strncmp(name, ctx->f_name, nmlen) != 0)
error = ENOENT;
}
smbfs_findclose(ctx, scred);
return error;
}
/*
* This call is used to fetch FID for directories. For normal files,
* SMB_COM_OPEN is used.
*/
int
smbfs_smb_ntcreatex(struct smbnode *np, int accmode,
struct smb_cred *scred)
{
struct smb_rq *rqp;
struct smb_share *ssp = np->n_mount->sm_share;
struct mbchain *mbp;
struct mdchain *mdp;
int error;
u_int8_t wc;
u_int8_t *nmlen;
u_int16_t flen;
KASSERT(SMBTOV(np)->v_type == VDIR);
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_NT_CREATE_ANDX, scred, &rqp);
if (error)
return error;
smb_rq_getrequest(rqp, &mbp);
smb_rq_wstart(rqp);
mb_put_uint8(mbp, 0xff); /* Secondary command; 0xFF = None */
mb_put_uint8(mbp, 0); /* Reserved (must be 0) */
mb_put_uint16le(mbp, 0); /* Off to next cmd WordCount */
mb_put_uint8(mbp, 0); /* Reserved (must be 0) */
nmlen = mb_reserve(mbp, sizeof(u_int16_t));
/* Length of Name[] in bytes */
mb_put_uint32le(mbp, SMB_FL_CANONICAL_PATHNAMES);
/* Flags - Create bit set */
mb_put_uint32le(mbp, 0); /* If nonzero, open relative to this */
mb_put_uint32le(mbp, NT_FILE_LIST_DIRECTORY); /* Access mask */
mb_put_uint32le(mbp, 0); /* Low 32bit */
mb_put_uint32le(mbp, 0); /* Hi 32bit */
/* Initial allocation size */
mb_put_uint32le(mbp, 0); /* File attributes */
mb_put_uint32le(mbp, NT_FILE_SHARE_READ|NT_FILE_SHARE_WRITE);
/* Type of share access */
mb_put_uint32le(mbp, NT_OPEN_EXISTING);
/* Create disposition - just open */
mb_put_uint32le(mbp, NT_FILE_DIRECTORY_FILE);
/* Options to use if creating a file */
mb_put_uint32le(mbp, 0); /* Security QOS information */
mb_put_uint8(mbp, 0); /* Security tracking mode flags */
smb_rq_wend(rqp);
smb_rq_bstart(rqp);
smb_rq_bend(rqp);
mbp->mb_count = 0;
error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
if (error)
return error;
/* Windows XP seems to include the final zero. Better do that too. */
mb_put_uint8(mbp, 0);
flen = mbp->mb_count;
SMBRQ_PUTLE16(nmlen, flen);
error = smb_rq_simple(rqp);
if (error)
goto bad;
smb_rq_getreply(rqp, &mdp);
md_get_uint8(mdp, &wc); /* WordCount - check? */
md_get_uint8(mdp, NULL); /* AndXCommand */
md_get_uint8(mdp, NULL); /* Reserved - must be zero */
md_get_uint16(mdp, NULL); /* Offset to next cmd WordCount */
md_get_uint8(mdp, NULL); /* Oplock level granted */
md_get_uint16(mdp, &np->n_fid); /* FID */
/* ignore rest */
bad:
smb_rq_done(rqp);
return (error);
}
/*
* Setup a request for NT DIRECTORY CHANGE NOTIFY.
*/
int
smbfs_smb_nt_dirnotify_setup(struct smbnode *dnp, struct smb_rq **rqpp, struct smb_cred *scred, void (*notifyhook)(void *), void *notifyarg)
{
struct smb_rq *rqp;
struct smb_share *ssp = dnp->n_mount->sm_share;
struct mbchain *mbp;
int error;
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_NT_TRANSACT, scred, &rqp);
if (error)
return error;
smb_rq_getrequest(rqp, &mbp);
smb_rq_wstart(rqp);
mb_put_uint8(mbp, 0xff); /* Max setup words to return */
mb_put_uint16le(mbp, 0); /* Flags (according to Samba) */
mb_put_uint32le(mbp, 0); /* Total parameter bytes being sent*/
mb_put_uint32le(mbp, 0); /* Total data bytes being sent */
mb_put_uint32le(mbp, 10*1024); /* Max parameter bytes to return */
mb_put_uint32le(mbp, 0); /* Max data bytes to return */
mb_put_uint32le(mbp, 0); /* Parameter bytes sent this buffer */
mb_put_uint32le(mbp, 0); /* Offset (from h. start) to Param */
mb_put_uint32le(mbp, 0); /* Data bytes sent this buffer */
mb_put_uint32le(mbp, 0); /* Offset (from h. start) to Data */
mb_put_uint8(mbp, 4); /* Count of setup words */
mb_put_uint16le(mbp, SMB_NTTRANS_NOTIFY_CHANGE); /* Trans func code */
/* NT TRANSACT NOTIFY CHANGE: Request Change Notification */
mb_put_uint32le(mbp,
FILE_NOTIFY_CHANGE_NAME|FILE_NOTIFY_CHANGE_ATTRIBUTES|
FILE_NOTIFY_CHANGE_SIZE|FILE_NOTIFY_CHANGE_LAST_WRITE|
FILE_NOTIFY_CHANGE_CREATION); /* CompletionFilter */
mb_put_mem(mbp, (void *)&dnp->n_fid, 2, MB_MSYSTEM); /* FID */
mb_put_uint8(mbp, 0); /* WatchTree - Watch all subdirs too */
mb_put_uint8(mbp, 0); /* Reserved - must be zero */
smb_rq_wend(rqp);
smb_rq_bstart(rqp);
smb_rq_bend(rqp);
/* No timeout */
rqp->sr_timo = -1;
smb_rq_setcallback(rqp, notifyhook, notifyarg);
error = smb_rq_enqueue(rqp);
if (!error)
*rqpp = rqp;
else
smb_rq_done(rqp);
return (error);
}
int
smbfs_smb_nt_dirnotify_fetch(struct smb_rq *rqp, int *hint)
{
int error;
struct mdchain *mdp;
u_int8_t sc;
u_int32_t nextentry;
error = smb_rq_reply(rqp);
if (error) {
/*
* If we get EMSGSIZE, there is already too many notifications
* available for the directory, and the internal buffer
* overflew. Just flag any possible relevant change.
*/
if (error == EMSGSIZE) {
*hint = NOTE_ATTRIB | NOTE_WRITE;
error = 0;
}
goto bad;
}
smb_rq_getreply(rqp, &mdp);
/* Parse reply */
error = md_get_mem(mdp, NULL, 4 + (8*4), MB_MZERO); /* skip */
if (error)
goto bad;
md_get_uint8(mdp, &sc); /* SetupCount */
if (sc > 0)
md_get_mem(mdp, NULL, sc * sizeof(u_int16_t), MB_MZERO);
md_get_uint16(mdp, NULL); /* ByteCount */
md_get_mem(mdp, NULL, 1 + (sc % 2) * 2, MB_MZERO); /* Pad */
/*
* The notify data are blocks of
* ULONG nextentry - offset of next entry from start of this one
* ULONG action - type of notification
* ULONG filenamelen - length of filename in bytes
* WCHAR filename[filenamelen/2] - Unicode filename
* nexentry == 0 means last notification, filename is in 16bit LE
* unicode
*/
*hint = 0;
do {
u_int32_t action;
#if 0
u_int32_t fnlen;
u_int16_t fnc;
#endif
md_get_uint32le(mdp, &nextentry);
md_get_uint32le(mdp, &action);
if (nextentry)
md_get_mem(mdp, NULL, nextentry - 2 * 4, MB_MZERO);
#if 0
md_get_uint32le(mdp, &fnlen);
printf("notify: next %u act %u fnlen %u fname '",
nextentry, action, fnlen);
for(; fnlen > 0; fnlen -= 2) {
md_get_uint16le(mdp, &fnc);
printf("%c", fnc&0xff);
}
printf("'\n");
#endif
switch(action) {
case FILE_ACTION_ADDED:
case FILE_ACTION_REMOVED:
case FILE_ACTION_RENAMED_OLD_NAME:
case FILE_ACTION_RENAMED_NEW_NAME:
*hint |= NOTE_ATTRIB | NOTE_WRITE;
break;
case FILE_ACTION_MODIFIED:
*hint |= NOTE_ATTRIB;
break;
}
} while(nextentry > 0);
bad:
smb_rq_done(rqp);
return error;
}
/*
* Cancel previous SMB, with message ID mid. No reply is generated
* to this one (only the previous message returns with error).
*/
int
smbfs_smb_ntcancel(struct smb_connobj *layer, u_int16_t mid, struct smb_cred *scred)
{
struct smb_rq *rqp;
struct mbchain *mbp;
struct mbuf *m;
u_int8_t *mp;
int error;
error = smb_rq_alloc(layer, SMB_COM_NT_CANCEL, scred, &rqp);
if (error)
return (error);
rqp->sr_flags |= SMBR_NOWAIT; /* do not wait for reply */
smb_rq_getrequest(rqp, &mbp);
/*
* This is nonstandard. We need to rewrite the just written
* mid to different one. Access underlying mbuf directly.
* We assume mid is the last thing written smb_rq_alloc()
* to request buffer.
*/
m = mbp->mb_cur;
mp = mtod(m, u_int8_t *) + m->m_len - 2;
SMBRQ_PUTLE16(mp, mid);
rqp->sr_mid = mid;
smb_rq_wstart(rqp);
smb_rq_wend(rqp);
smb_rq_bstart(rqp);
smb_rq_bend(rqp);
error = (smb_rq_simple(rqp));
/* Discard, there is no real reply */
smb_rq_done(rqp);
return (error);
}