2 * Copyright (c) 2000-2001 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/param.h>
35 #include <sys/kernel.h>
36 #include <sys/systm.h>
38 #include <sys/fcntl.h>
39 #include <sys/ioccom.h>
41 #include <sys/malloc.h>
42 #include <sys/file.h> /* Must come after sys/malloc.h */
46 #include <sys/select.h>
47 #include <sys/socket.h>
48 #include <sys/socketvar.h>
49 #include <sys/sysctl.h>
51 #include <sys/vnode.h>
55 #include <netsmb/smb.h>
56 #include <netsmb/smb_conn.h>
57 #include <netsmb/smb_subr.h>
58 #include <netsmb/smb_dev.h>
60 #define SMB_GETDEV(dev) ((struct smb_dev*)(dev)->si_drv1)
61 #define SMB_CHECKMINOR(dev) do { \
62 sdp = SMB_GETDEV(dev); \
63 if (sdp == NULL) return ENXIO; \
66 static d_open_t nsmb_dev_open;
67 static d_close_t nsmb_dev_close;
68 static d_read_t nsmb_dev_read;
69 static d_write_t nsmb_dev_write;
70 static d_ioctl_t nsmb_dev_ioctl;
71 static d_poll_t nsmb_dev_poll;
73 MODULE_DEPEND(netsmb, libiconv, 1, 1, 1);
74 MODULE_VERSION(netsmb, NSMB_VERSION);
76 static int smb_version = NSMB_VERSION;
79 SYSCTL_DECL(_net_smb);
80 SYSCTL_INT(_net_smb, OID_AUTO, version, CTLFLAG_RD, &smb_version, 0, "");
82 static MALLOC_DEFINE(M_NSMBDEV, "NETSMBDEV", "NET/SMB device");
86 int smb_dev_queue(struct smb_dev *ndp, struct smb_rq *rqp, int prio);
89 static struct cdevsw nsmb_cdevsw = {
90 /* open */ nsmb_dev_open,
91 /* close */ nsmb_dev_close,
92 /* read */ nsmb_dev_read,
93 /* write */ nsmb_dev_write,
94 /* ioctl */ nsmb_dev_ioctl,
95 /* poll */ nsmb_dev_poll,
97 /* strategy */ nostrategy,
108 static eventhandler_tag nsmb_dev_tag;
111 nsmb_dev_clone(void *arg, char *name, int namelen, dev_t *dev)
117 if (dev_stdclone(name, NULL, NSMB_NAME, &min) != 1)
119 *dev = make_dev(&nsmb_cdevsw, min, 0, 0, 0600, NSMB_NAME"%d", min);
123 nsmb_dev_open(dev_t dev, int oflags, int devtype, struct thread *td)
126 struct ucred *cred = td->td_ucred;
129 sdp = SMB_GETDEV(dev);
130 if (sdp && (sdp->sd_flags & NSMBFL_OPEN))
133 sdp = malloc(sizeof(*sdp), M_NSMBDEV, M_WAITOK);
134 dev->si_drv1 = (void*)sdp;
137 * XXX: this is just crazy - make a device for an already passed device...
138 * someone should take care of it.
140 if ((dev->si_flags & SI_NAMED) == 0)
141 make_dev(&nsmb_cdevsw, minor(dev), cred->cr_uid, cred->cr_gid, 0700,
142 NSMB_NAME"%d", dev2unit(dev));
143 bzero(sdp, sizeof(*sdp));
145 STAILQ_INIT(&sdp->sd_rqlist);
146 STAILQ_INIT(&sdp->sd_rplist);
147 bzero(&sdp->sd_pollinfo, sizeof(struct selinfo));
151 sdp->sd_flags |= NSMBFL_OPEN;
157 nsmb_dev_close(dev_t dev, int flag, int fmt, struct thread *td)
161 struct smb_share *ssp;
162 struct smb_cred scred;
167 if ((sdp->sd_flags & NSMBFL_OPEN) == 0) {
171 smb_makescred(&scred, td, NULL);
174 smb_share_rele(ssp, &scred);
177 smb_vc_rele(vcp, &scred);
179 smb_flushq(&sdp->sd_rqlist);
180 smb_flushq(&sdp->sd_rplist);
183 free(sdp, M_NSMBDEV);
191 nsmb_dev_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
195 struct smb_share *ssp;
196 struct smb_cred scred;
200 if ((sdp->sd_flags & NSMBFL_OPEN) == 0)
203 smb_makescred(&scred, td, NULL);
205 case SMBIOC_OPENSESSION:
208 error = smb_usr_opensession((struct smbioc_ossn*)data,
213 smb_vc_unlock(vcp, 0, td);
214 sdp->sd_level = SMBL_VC;
216 case SMBIOC_OPENSHARE:
219 if (sdp->sd_vc == NULL)
221 error = smb_usr_openshare(sdp->sd_vc,
222 (struct smbioc_oshare*)data, &scred, &ssp);
226 smb_share_unlock(ssp, 0, td);
227 sdp->sd_level = SMBL_SHARE;
230 if (sdp->sd_share == NULL)
232 error = smb_usr_simplerequest(sdp->sd_share,
233 (struct smbioc_rq*)data, &scred);
236 if (sdp->sd_share == NULL)
238 error = smb_usr_t2request(sdp->sd_share,
239 (struct smbioc_t2rq*)data, &scred);
241 case SMBIOC_SETFLAGS: {
242 struct smbioc_flags *fl = (struct smbioc_flags*)data;
245 if (fl->ioc_level == SMBL_VC) {
246 if (fl->ioc_mask & SMBV_PERMANENT) {
247 on = fl->ioc_flags & SMBV_PERMANENT;
248 if ((vcp = sdp->sd_vc) == NULL)
250 error = smb_vc_get(vcp, LK_EXCLUSIVE, &scred);
253 if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) {
254 vcp->obj.co_flags |= SMBV_PERMANENT;
256 } else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) {
257 vcp->obj.co_flags &= ~SMBV_PERMANENT;
258 smb_vc_rele(vcp, &scred);
260 smb_vc_put(vcp, &scred);
263 } else if (fl->ioc_level == SMBL_SHARE) {
264 if (fl->ioc_mask & SMBS_PERMANENT) {
265 on = fl->ioc_flags & SMBS_PERMANENT;
266 if ((ssp = sdp->sd_share) == NULL)
268 error = smb_share_get(ssp, LK_EXCLUSIVE, &scred);
271 if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) {
272 ssp->obj.co_flags |= SMBS_PERMANENT;
274 } else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) {
275 ssp->obj.co_flags &= ~SMBS_PERMANENT;
276 smb_share_rele(ssp, &scred);
278 smb_share_put(ssp, &scred);
287 if (sdp->sd_vc || sdp->sd_share)
291 error = smb_usr_lookup((struct smbioc_lookup*)data, &scred, &vcp, &ssp);
296 smb_vc_unlock(vcp, 0, td);
297 sdp->sd_level = SMBL_VC;
301 smb_share_unlock(ssp, 0, td);
302 sdp->sd_level = SMBL_SHARE;
305 case SMBIOC_READ: case SMBIOC_WRITE: {
306 struct smbioc_rw *rwrq = (struct smbioc_rw*)data;
310 if ((ssp = sdp->sd_share) == NULL)
312 iov.iov_base = rwrq->ioc_base;
313 iov.iov_len = rwrq->ioc_cnt;
316 auio.uio_offset = rwrq->ioc_offset;
317 auio.uio_resid = rwrq->ioc_cnt;
318 auio.uio_segflg = UIO_USERSPACE;
319 auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE;
321 if (cmd == SMBIOC_READ)
322 error = smb_read(ssp, rwrq->ioc_fh, &auio, &scred);
324 error = smb_write(ssp, rwrq->ioc_fh, &auio, &scred);
325 rwrq->ioc_cnt -= auio.uio_resid;
335 nsmb_dev_read(dev_t dev, struct uio *uio, int flag)
341 nsmb_dev_write(dev_t dev, struct uio *uio, int flag)
347 nsmb_dev_poll(dev_t dev, int events, struct thread *td)
353 nsmb_dev_load(module_t mod, int cmd, void *arg)
359 error = smb_sm_init();
362 error = smb_iod_init();
367 cdevsw_add(&nsmb_cdevsw);
368 nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000);
369 printf("netsmb_dev: loaded\n");
373 error = smb_sm_done();
375 EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag);
376 cdevsw_remove(&nsmb_cdevsw);
377 printf("netsmb_dev: unloaded\n");
386 DEV_MODULE (dev_netsmb, nsmb_dev_load, 0);
389 * Convert a file descriptor to appropriate smb_share pointer
392 nsmb_getfp(struct filedesc* fdp, int fd, int flag)
397 if (((u_int)fd) >= fdp->fd_nfiles ||
398 (fp = fdp->fd_ofiles[fd]) == NULL ||
399 (fp->f_flag & flag) == 0) {
400 FILEDESC_UNLOCK(fdp);
404 FILEDESC_UNLOCK(fdp);
409 smb_dev2share(int fd, int mode, struct smb_cred *scred,
410 struct smb_share **sspp)
415 struct smb_share *ssp;
419 fp = nsmb_getfp(scred->scr_td->td_proc->p_fd, fd, FREAD | FWRITE);
422 vp = (struct vnode*)fp->f_data;
424 fdrop(fp, curthread);
429 fdrop(fp, curthread);
435 fdrop(fp, curthread);
438 error = smb_share_get(ssp, LK_EXCLUSIVE, scred);
441 fdrop(fp, curthread);