2001-04-10 07:59:06 +00:00
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/*
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* Copyright (c) 2000-2001 Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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2003-06-11 05:37:42 +00:00
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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2001-04-10 07:59:06 +00:00
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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2001-05-01 08:13:21 +00:00
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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2001-04-10 07:59:06 +00:00
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#include <sys/ioccom.h>
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2001-05-01 08:13:21 +00:00
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#include <sys/lock.h>
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2001-04-10 07:59:06 +00:00
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#include <sys/malloc.h>
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2001-05-01 08:13:21 +00:00
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#include <sys/file.h> /* Must come after sys/malloc.h */
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2003-01-01 01:56:19 +00:00
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#include <sys/filedesc.h>
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2001-04-10 07:59:06 +00:00
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#include <sys/mbuf.h>
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2001-05-01 08:13:21 +00:00
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#include <sys/poll.h>
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2001-04-10 07:59:06 +00:00
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#include <sys/proc.h>
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#include <sys/select.h>
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2001-05-01 08:13:21 +00:00
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#include <sys/socket.h>
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2001-04-10 07:59:06 +00:00
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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2001-05-01 08:13:21 +00:00
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#include <sys/uio.h>
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2001-04-10 07:59:06 +00:00
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#include <sys/vnode.h>
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#include <net/if.h>
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#include <netsmb/smb.h>
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#include <netsmb/smb_conn.h>
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#include <netsmb/smb_subr.h>
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#include <netsmb/smb_dev.h>
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#define SMB_GETDEV(dev) ((struct smb_dev*)(dev)->si_drv1)
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#define SMB_CHECKMINOR(dev) do { \
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sdp = SMB_GETDEV(dev); \
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if (sdp == NULL) return ENXIO; \
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} while(0)
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static d_open_t nsmb_dev_open;
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static d_close_t nsmb_dev_close;
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static d_ioctl_t nsmb_dev_ioctl;
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2003-09-26 20:26:25 +00:00
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MODULE_DEPEND(netsmb, libiconv, 1, 1, 2);
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2001-04-10 07:59:06 +00:00
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MODULE_VERSION(netsmb, NSMB_VERSION);
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static int smb_version = NSMB_VERSION;
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SYSCTL_DECL(_net_smb);
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SYSCTL_INT(_net_smb, OID_AUTO, version, CTLFLAG_RD, &smb_version, 0, "");
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static MALLOC_DEFINE(M_NSMBDEV, "NETSMBDEV", "NET/SMB device");
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/*
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int smb_dev_queue(struct smb_dev *ndp, struct smb_rq *rqp, int prio);
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*/
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static struct cdevsw nsmb_cdevsw = {
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2003-03-03 12:15:54 +00:00
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.d_open = nsmb_dev_open,
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.d_close = nsmb_dev_close,
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.d_ioctl = nsmb_dev_ioctl,
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2004-02-11 12:49:49 +00:00
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.d_name = NSMB_NAME
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2001-04-10 07:59:06 +00:00
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};
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static eventhandler_tag nsmb_dev_tag;
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static void
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nsmb_dev_clone(void *arg, char *name, int namelen, dev_t *dev)
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{
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2003-02-07 23:29:57 +00:00
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int u;
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2001-04-10 07:59:06 +00:00
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if (*dev != NODEV)
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return;
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2003-02-07 23:29:57 +00:00
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if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1)
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2001-04-10 07:59:06 +00:00
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return;
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2003-02-07 23:29:57 +00:00
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*dev = make_dev(&nsmb_cdevsw, unit2minor(u), 0, 0, 0600,
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NSMB_NAME"%d", u);
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2001-04-10 07:59:06 +00:00
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}
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static int
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2001-12-02 08:47:29 +00:00
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nsmb_dev_open(dev_t dev, int oflags, int devtype, struct thread *td)
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2001-04-10 07:59:06 +00:00
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{
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struct smb_dev *sdp;
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2002-02-27 18:32:23 +00:00
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struct ucred *cred = td->td_ucred;
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2001-04-10 07:59:06 +00:00
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int s;
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sdp = SMB_GETDEV(dev);
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if (sdp && (sdp->sd_flags & NSMBFL_OPEN))
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return EBUSY;
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if (sdp == NULL) {
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2003-02-19 05:47:46 +00:00
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sdp = malloc(sizeof(*sdp), M_NSMBDEV, M_WAITOK);
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2001-04-10 07:59:06 +00:00
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dev->si_drv1 = (void*)sdp;
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}
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/*
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* XXX: this is just crazy - make a device for an already passed device...
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* someone should take care of it.
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*/
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if ((dev->si_flags & SI_NAMED) == 0)
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make_dev(&nsmb_cdevsw, minor(dev), cred->cr_uid, cred->cr_gid, 0700,
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NSMB_NAME"%d", dev2unit(dev));
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bzero(sdp, sizeof(*sdp));
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/*
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STAILQ_INIT(&sdp->sd_rqlist);
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STAILQ_INIT(&sdp->sd_rplist);
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bzero(&sdp->sd_pollinfo, sizeof(struct selinfo));
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*/
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s = splimp();
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sdp->sd_level = -1;
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sdp->sd_flags |= NSMBFL_OPEN;
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splx(s);
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return 0;
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}
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static int
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2001-12-02 08:47:29 +00:00
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nsmb_dev_close(dev_t dev, int flag, int fmt, struct thread *td)
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2001-04-10 07:59:06 +00:00
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{
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struct smb_dev *sdp;
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struct smb_vc *vcp;
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struct smb_share *ssp;
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struct smb_cred scred;
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int s;
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SMB_CHECKMINOR(dev);
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s = splimp();
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if ((sdp->sd_flags & NSMBFL_OPEN) == 0) {
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splx(s);
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return EBADF;
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}
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2001-12-02 08:47:29 +00:00
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smb_makescred(&scred, td, NULL);
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2001-04-10 07:59:06 +00:00
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ssp = sdp->sd_share;
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if (ssp != NULL)
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smb_share_rele(ssp, &scred);
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vcp = sdp->sd_vc;
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if (vcp != NULL)
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smb_vc_rele(vcp, &scred);
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/*
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smb_flushq(&sdp->sd_rqlist);
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smb_flushq(&sdp->sd_rplist);
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*/
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dev->si_drv1 = NULL;
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free(sdp, M_NSMBDEV);
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destroy_dev(dev);
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splx(s);
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return 0;
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}
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static int
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2001-12-02 08:47:29 +00:00
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nsmb_dev_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
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2001-04-10 07:59:06 +00:00
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{
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struct smb_dev *sdp;
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struct smb_vc *vcp;
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struct smb_share *ssp;
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struct smb_cred scred;
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int error = 0;
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SMB_CHECKMINOR(dev);
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if ((sdp->sd_flags & NSMBFL_OPEN) == 0)
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return EBADF;
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2001-12-02 08:47:29 +00:00
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smb_makescred(&scred, td, NULL);
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2001-04-10 07:59:06 +00:00
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switch (cmd) {
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case SMBIOC_OPENSESSION:
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if (sdp->sd_vc)
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return EISCONN;
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error = smb_usr_opensession((struct smbioc_ossn*)data,
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&scred, &vcp);
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if (error)
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break;
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sdp->sd_vc = vcp;
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2001-12-02 08:47:29 +00:00
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smb_vc_unlock(vcp, 0, td);
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2001-04-10 07:59:06 +00:00
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sdp->sd_level = SMBL_VC;
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break;
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case SMBIOC_OPENSHARE:
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if (sdp->sd_share)
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return EISCONN;
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if (sdp->sd_vc == NULL)
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return ENOTCONN;
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error = smb_usr_openshare(sdp->sd_vc,
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(struct smbioc_oshare*)data, &scred, &ssp);
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if (error)
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break;
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sdp->sd_share = ssp;
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2001-12-02 08:47:29 +00:00
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smb_share_unlock(ssp, 0, td);
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2001-04-10 07:59:06 +00:00
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sdp->sd_level = SMBL_SHARE;
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break;
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case SMBIOC_REQUEST:
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if (sdp->sd_share == NULL)
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return ENOTCONN;
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error = smb_usr_simplerequest(sdp->sd_share,
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(struct smbioc_rq*)data, &scred);
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break;
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case SMBIOC_T2RQ:
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if (sdp->sd_share == NULL)
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return ENOTCONN;
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error = smb_usr_t2request(sdp->sd_share,
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(struct smbioc_t2rq*)data, &scred);
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break;
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case SMBIOC_SETFLAGS: {
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struct smbioc_flags *fl = (struct smbioc_flags*)data;
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int on;
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if (fl->ioc_level == SMBL_VC) {
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if (fl->ioc_mask & SMBV_PERMANENT) {
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on = fl->ioc_flags & SMBV_PERMANENT;
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if ((vcp = sdp->sd_vc) == NULL)
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return ENOTCONN;
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error = smb_vc_get(vcp, LK_EXCLUSIVE, &scred);
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if (error)
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break;
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if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) {
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vcp->obj.co_flags |= SMBV_PERMANENT;
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2001-12-02 08:47:29 +00:00
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smb_vc_ref(vcp);
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2001-04-10 07:59:06 +00:00
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} else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) {
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vcp->obj.co_flags &= ~SMBV_PERMANENT;
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smb_vc_rele(vcp, &scred);
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}
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smb_vc_put(vcp, &scred);
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} else
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error = EINVAL;
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} else if (fl->ioc_level == SMBL_SHARE) {
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if (fl->ioc_mask & SMBS_PERMANENT) {
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on = fl->ioc_flags & SMBS_PERMANENT;
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if ((ssp = sdp->sd_share) == NULL)
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return ENOTCONN;
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error = smb_share_get(ssp, LK_EXCLUSIVE, &scred);
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if (error)
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break;
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if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) {
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ssp->obj.co_flags |= SMBS_PERMANENT;
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2001-12-02 08:47:29 +00:00
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smb_share_ref(ssp);
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2001-04-10 07:59:06 +00:00
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} else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) {
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ssp->obj.co_flags &= ~SMBS_PERMANENT;
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smb_share_rele(ssp, &scred);
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}
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smb_share_put(ssp, &scred);
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} else
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error = EINVAL;
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break;
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} else
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error = EINVAL;
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break;
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}
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case SMBIOC_LOOKUP:
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if (sdp->sd_vc || sdp->sd_share)
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return EISCONN;
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vcp = NULL;
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ssp = NULL;
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error = smb_usr_lookup((struct smbioc_lookup*)data, &scred, &vcp, &ssp);
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if (error)
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break;
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if (vcp) {
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sdp->sd_vc = vcp;
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2001-12-02 08:47:29 +00:00
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smb_vc_unlock(vcp, 0, td);
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2001-04-10 07:59:06 +00:00
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sdp->sd_level = SMBL_VC;
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}
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if (ssp) {
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sdp->sd_share = ssp;
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2001-12-02 08:47:29 +00:00
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smb_share_unlock(ssp, 0, td);
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2001-04-10 07:59:06 +00:00
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sdp->sd_level = SMBL_SHARE;
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}
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break;
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case SMBIOC_READ: case SMBIOC_WRITE: {
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struct smbioc_rw *rwrq = (struct smbioc_rw*)data;
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struct uio auio;
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struct iovec iov;
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if ((ssp = sdp->sd_share) == NULL)
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return ENOTCONN;
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iov.iov_base = rwrq->ioc_base;
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iov.iov_len = rwrq->ioc_cnt;
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auio.uio_iov = &iov;
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auio.uio_iovcnt = 1;
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auio.uio_offset = rwrq->ioc_offset;
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auio.uio_resid = rwrq->ioc_cnt;
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auio.uio_segflg = UIO_USERSPACE;
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auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE;
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2001-12-02 08:47:29 +00:00
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auio.uio_td = td;
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2001-04-10 07:59:06 +00:00
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if (cmd == SMBIOC_READ)
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error = smb_read(ssp, rwrq->ioc_fh, &auio, &scred);
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else
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|
|
error = smb_write(ssp, rwrq->ioc_fh, &auio, &scred);
|
|
|
|
rwrq->ioc_cnt -= auio.uio_resid;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
error = ENODEV;
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
nsmb_dev_load(module_t mod, int cmd, void *arg)
|
|
|
|
{
|
|
|
|
int error = 0;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case MOD_LOAD:
|
|
|
|
error = smb_sm_init();
|
|
|
|
if (error)
|
|
|
|
break;
|
|
|
|
error = smb_iod_init();
|
|
|
|
if (error) {
|
|
|
|
smb_sm_done();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000);
|
|
|
|
printf("netsmb_dev: loaded\n");
|
|
|
|
break;
|
|
|
|
case MOD_UNLOAD:
|
|
|
|
smb_iod_done();
|
|
|
|
error = smb_sm_done();
|
|
|
|
error = 0;
|
|
|
|
EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag);
|
|
|
|
printf("netsmb_dev: unloaded\n");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
error = EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
DEV_MODULE (dev_netsmb, nsmb_dev_load, 0);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Convert a file descriptor to appropriate smb_share pointer
|
|
|
|
*/
|
|
|
|
static struct file*
|
|
|
|
nsmb_getfp(struct filedesc* fdp, int fd, int flag)
|
|
|
|
{
|
|
|
|
struct file* fp;
|
|
|
|
|
2002-01-13 11:58:06 +00:00
|
|
|
FILEDESC_LOCK(fdp);
|
2001-04-10 07:59:06 +00:00
|
|
|
if (((u_int)fd) >= fdp->fd_nfiles ||
|
|
|
|
(fp = fdp->fd_ofiles[fd]) == NULL ||
|
2002-01-13 11:58:06 +00:00
|
|
|
(fp->f_flag & flag) == 0) {
|
|
|
|
FILEDESC_UNLOCK(fdp);
|
2001-04-10 07:59:06 +00:00
|
|
|
return (NULL);
|
2002-01-13 11:58:06 +00:00
|
|
|
}
|
|
|
|
fhold(fp);
|
|
|
|
FILEDESC_UNLOCK(fdp);
|
2001-04-10 07:59:06 +00:00
|
|
|
return (fp);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
smb_dev2share(int fd, int mode, struct smb_cred *scred,
|
|
|
|
struct smb_share **sspp)
|
|
|
|
{
|
|
|
|
struct file *fp;
|
|
|
|
struct vnode *vp;
|
|
|
|
struct smb_dev *sdp;
|
|
|
|
struct smb_share *ssp;
|
|
|
|
dev_t dev;
|
|
|
|
int error;
|
|
|
|
|
2001-12-02 08:47:29 +00:00
|
|
|
fp = nsmb_getfp(scred->scr_td->td_proc->p_fd, fd, FREAD | FWRITE);
|
|
|
|
if (fp == NULL)
|
2001-04-10 07:59:06 +00:00
|
|
|
return EBADF;
|
2003-06-22 08:41:43 +00:00
|
|
|
vp = fp->f_vnode;
|
2002-01-13 11:58:06 +00:00
|
|
|
if (vp == NULL) {
|
|
|
|
fdrop(fp, curthread);
|
2001-04-10 07:59:06 +00:00
|
|
|
return EBADF;
|
2002-01-13 11:58:06 +00:00
|
|
|
}
|
2001-04-10 07:59:06 +00:00
|
|
|
dev = vn_todev(vp);
|
2002-01-13 11:58:06 +00:00
|
|
|
if (dev == NODEV) {
|
|
|
|
fdrop(fp, curthread);
|
2001-04-10 07:59:06 +00:00
|
|
|
return EBADF;
|
2002-01-13 11:58:06 +00:00
|
|
|
}
|
2001-04-10 07:59:06 +00:00
|
|
|
SMB_CHECKMINOR(dev);
|
|
|
|
ssp = sdp->sd_share;
|
2002-01-13 11:58:06 +00:00
|
|
|
if (ssp == NULL) {
|
|
|
|
fdrop(fp, curthread);
|
2001-04-10 07:59:06 +00:00
|
|
|
return ENOTCONN;
|
2002-01-13 11:58:06 +00:00
|
|
|
}
|
2001-04-10 07:59:06 +00:00
|
|
|
error = smb_share_get(ssp, LK_EXCLUSIVE, scred);
|
2002-01-13 11:58:06 +00:00
|
|
|
if (error == 0)
|
|
|
|
*sspp = ssp;
|
|
|
|
fdrop(fp, curthread);
|
|
|
|
return error;
|
2001-04-10 07:59:06 +00:00
|
|
|
}
|
|
|
|
|