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 */
43 #include <sys/filedesc.h>
47 #include <sys/select.h>
48 #include <sys/socket.h>
49 #include <sys/socketvar.h>
50 #include <sys/sysctl.h>
52 #include <sys/vnode.h>
56 #include <netsmb/smb.h>
57 #include <netsmb/smb_conn.h>
58 #include <netsmb/smb_subr.h>
59 #include <netsmb/smb_dev.h>
61 #define SMB_GETDEV(dev) ((struct smb_dev*)(dev)->si_drv1)
62 #define SMB_CHECKMINOR(dev) do { \
63 sdp = SMB_GETDEV(dev); \
64 if (sdp == NULL) return ENXIO; \
67 static d_open_t nsmb_dev_open;
68 static d_close_t nsmb_dev_close;
69 static d_read_t nsmb_dev_read;
70 static d_write_t nsmb_dev_write;
71 static d_ioctl_t nsmb_dev_ioctl;
72 static d_poll_t nsmb_dev_poll;
74 MODULE_DEPEND(netsmb, libiconv, 1, 1, 1);
75 MODULE_VERSION(netsmb, NSMB_VERSION);
77 static int smb_version = NSMB_VERSION;
80 SYSCTL_DECL(_net_smb);
81 SYSCTL_INT(_net_smb, OID_AUTO, version, CTLFLAG_RD, &smb_version, 0, "");
83 static MALLOC_DEFINE(M_NSMBDEV, "NETSMBDEV", "NET/SMB device");
87 int smb_dev_queue(struct smb_dev *ndp, struct smb_rq *rqp, int prio);
90 static struct cdevsw nsmb_cdevsw = {
91 /* open */ nsmb_dev_open,
92 /* close */ nsmb_dev_close,
93 /* read */ nsmb_dev_read,
94 /* write */ nsmb_dev_write,
95 /* ioctl */ nsmb_dev_ioctl,
96 /* poll */ nsmb_dev_poll,
98 /* strategy */ nostrategy,
100 /* maj */ NSMB_MAJOR,
109 static eventhandler_tag nsmb_dev_tag;
112 nsmb_dev_clone(void *arg, char *name, int namelen, dev_t *dev)
118 if (dev_stdclone(name, NULL, NSMB_NAME, &min) != 1)
120 *dev = make_dev(&nsmb_cdevsw, min, 0, 0, 0600, NSMB_NAME"%d", min);
124 nsmb_dev_open(dev_t dev, int oflags, int devtype, struct thread *td)
127 struct ucred *cred = td->td_ucred;
130 sdp = SMB_GETDEV(dev);
131 if (sdp && (sdp->sd_flags & NSMBFL_OPEN))
134 sdp = malloc(sizeof(*sdp), M_NSMBDEV, M_WAITOK);
135 dev->si_drv1 = (void*)sdp;
138 * XXX: this is just crazy - make a device for an already passed device...
139 * someone should take care of it.
141 if ((dev->si_flags & SI_NAMED) == 0)
142 make_dev(&nsmb_cdevsw, minor(dev), cred->cr_uid, cred->cr_gid, 0700,
143 NSMB_NAME"%d", dev2unit(dev));
144 bzero(sdp, sizeof(*sdp));
146 STAILQ_INIT(&sdp->sd_rqlist);
147 STAILQ_INIT(&sdp->sd_rplist);
148 bzero(&sdp->sd_pollinfo, sizeof(struct selinfo));
152 sdp->sd_flags |= NSMBFL_OPEN;
158 nsmb_dev_close(dev_t dev, int flag, int fmt, struct thread *td)
162 struct smb_share *ssp;
163 struct smb_cred scred;
168 if ((sdp->sd_flags & NSMBFL_OPEN) == 0) {
172 smb_makescred(&scred, td, NULL);
175 smb_share_rele(ssp, &scred);
178 smb_vc_rele(vcp, &scred);
180 smb_flushq(&sdp->sd_rqlist);
181 smb_flushq(&sdp->sd_rplist);
184 free(sdp, M_NSMBDEV);
192 nsmb_dev_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
196 struct smb_share *ssp;
197 struct smb_cred scred;
201 if ((sdp->sd_flags & NSMBFL_OPEN) == 0)
204 smb_makescred(&scred, td, NULL);
206 case SMBIOC_OPENSESSION:
209 error = smb_usr_opensession((struct smbioc_ossn*)data,
214 smb_vc_unlock(vcp, 0, td);
215 sdp->sd_level = SMBL_VC;
217 case SMBIOC_OPENSHARE:
220 if (sdp->sd_vc == NULL)
222 error = smb_usr_openshare(sdp->sd_vc,
223 (struct smbioc_oshare*)data, &scred, &ssp);
227 smb_share_unlock(ssp, 0, td);
228 sdp->sd_level = SMBL_SHARE;
231 if (sdp->sd_share == NULL)
233 error = smb_usr_simplerequest(sdp->sd_share,
234 (struct smbioc_rq*)data, &scred);
237 if (sdp->sd_share == NULL)
239 error = smb_usr_t2request(sdp->sd_share,
240 (struct smbioc_t2rq*)data, &scred);
242 case SMBIOC_SETFLAGS: {
243 struct smbioc_flags *fl = (struct smbioc_flags*)data;
246 if (fl->ioc_level == SMBL_VC) {
247 if (fl->ioc_mask & SMBV_PERMANENT) {
248 on = fl->ioc_flags & SMBV_PERMANENT;
249 if ((vcp = sdp->sd_vc) == NULL)
251 error = smb_vc_get(vcp, LK_EXCLUSIVE, &scred);
254 if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) {
255 vcp->obj.co_flags |= SMBV_PERMANENT;
257 } else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) {
258 vcp->obj.co_flags &= ~SMBV_PERMANENT;
259 smb_vc_rele(vcp, &scred);
261 smb_vc_put(vcp, &scred);
264 } else if (fl->ioc_level == SMBL_SHARE) {
265 if (fl->ioc_mask & SMBS_PERMANENT) {
266 on = fl->ioc_flags & SMBS_PERMANENT;
267 if ((ssp = sdp->sd_share) == NULL)
269 error = smb_share_get(ssp, LK_EXCLUSIVE, &scred);
272 if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) {
273 ssp->obj.co_flags |= SMBS_PERMANENT;
275 } else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) {
276 ssp->obj.co_flags &= ~SMBS_PERMANENT;
277 smb_share_rele(ssp, &scred);
279 smb_share_put(ssp, &scred);
288 if (sdp->sd_vc || sdp->sd_share)
292 error = smb_usr_lookup((struct smbioc_lookup*)data, &scred, &vcp, &ssp);
297 smb_vc_unlock(vcp, 0, td);
298 sdp->sd_level = SMBL_VC;
302 smb_share_unlock(ssp, 0, td);
303 sdp->sd_level = SMBL_SHARE;
306 case SMBIOC_READ: case SMBIOC_WRITE: {
307 struct smbioc_rw *rwrq = (struct smbioc_rw*)data;
311 if ((ssp = sdp->sd_share) == NULL)
313 iov.iov_base = rwrq->ioc_base;
314 iov.iov_len = rwrq->ioc_cnt;
317 auio.uio_offset = rwrq->ioc_offset;
318 auio.uio_resid = rwrq->ioc_cnt;
319 auio.uio_segflg = UIO_USERSPACE;
320 auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE;
322 if (cmd == SMBIOC_READ)
323 error = smb_read(ssp, rwrq->ioc_fh, &auio, &scred);
325 error = smb_write(ssp, rwrq->ioc_fh, &auio, &scred);
326 rwrq->ioc_cnt -= auio.uio_resid;
336 nsmb_dev_read(dev_t dev, struct uio *uio, int flag)
342 nsmb_dev_write(dev_t dev, struct uio *uio, int flag)
348 nsmb_dev_poll(dev_t dev, int events, struct thread *td)
354 nsmb_dev_load(module_t mod, int cmd, void *arg)
360 error = smb_sm_init();
363 error = smb_iod_init();
368 cdevsw_add(&nsmb_cdevsw);
369 nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000);
370 printf("netsmb_dev: loaded\n");
374 error = smb_sm_done();
376 EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag);
377 cdevsw_remove(&nsmb_cdevsw);
378 printf("netsmb_dev: unloaded\n");
387 DEV_MODULE (dev_netsmb, nsmb_dev_load, 0);
390 * Convert a file descriptor to appropriate smb_share pointer
393 nsmb_getfp(struct filedesc* fdp, int fd, int flag)
398 if (((u_int)fd) >= fdp->fd_nfiles ||
399 (fp = fdp->fd_ofiles[fd]) == NULL ||
400 (fp->f_flag & flag) == 0) {
401 FILEDESC_UNLOCK(fdp);
405 FILEDESC_UNLOCK(fdp);
410 smb_dev2share(int fd, int mode, struct smb_cred *scred,
411 struct smb_share **sspp)
416 struct smb_share *ssp;
420 fp = nsmb_getfp(scred->scr_td->td_proc->p_fd, fd, FREAD | FWRITE);
425 fdrop(fp, curthread);
430 fdrop(fp, curthread);
436 fdrop(fp, curthread);
439 error = smb_share_get(ssp, LK_EXCLUSIVE, scred);
442 fdrop(fp, curthread);