1c398230bSWarner Losh /*- 2681a5bbeSBoris Popov * Copyright (c) 2000-2001 Boris Popov 3681a5bbeSBoris Popov * All rights reserved. 4681a5bbeSBoris Popov * 5681a5bbeSBoris Popov * Redistribution and use in source and binary forms, with or without 6681a5bbeSBoris Popov * modification, are permitted provided that the following conditions 7681a5bbeSBoris Popov * are met: 8681a5bbeSBoris Popov * 1. Redistributions of source code must retain the above copyright 9681a5bbeSBoris Popov * notice, this list of conditions and the following disclaimer. 10681a5bbeSBoris Popov * 2. Redistributions in binary form must reproduce the above copyright 11681a5bbeSBoris Popov * notice, this list of conditions and the following disclaimer in the 12681a5bbeSBoris Popov * documentation and/or other materials provided with the distribution. 13681a5bbeSBoris Popov * 3. All advertising materials mentioning features or use of this software 14681a5bbeSBoris Popov * must display the following acknowledgement: 15681a5bbeSBoris Popov * This product includes software developed by Boris Popov. 16681a5bbeSBoris Popov * 4. Neither the name of the author nor the names of any co-contributors 17681a5bbeSBoris Popov * may be used to endorse or promote products derived from this software 18681a5bbeSBoris Popov * without specific prior written permission. 19681a5bbeSBoris Popov * 20681a5bbeSBoris Popov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21681a5bbeSBoris Popov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22681a5bbeSBoris Popov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23681a5bbeSBoris Popov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24681a5bbeSBoris Popov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25681a5bbeSBoris Popov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26681a5bbeSBoris Popov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27681a5bbeSBoris Popov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28681a5bbeSBoris Popov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29681a5bbeSBoris Popov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30681a5bbeSBoris Popov * SUCH DAMAGE. 31681a5bbeSBoris Popov */ 32ab0de15bSDavid E. O'Brien 33ab0de15bSDavid E. O'Brien #include <sys/cdefs.h> 34ab0de15bSDavid E. O'Brien __FBSDID("$FreeBSD$"); 35ab0de15bSDavid E. O'Brien 36681a5bbeSBoris Popov #include <sys/param.h> 37681a5bbeSBoris Popov #include <sys/kernel.h> 385dba30f1SPoul-Henning Kamp #include <sys/module.h> 39681a5bbeSBoris Popov #include <sys/systm.h> 40681a5bbeSBoris Popov #include <sys/conf.h> 41681a5bbeSBoris Popov #include <sys/fcntl.h> 42fb919e4dSMark Murray #include <sys/ioccom.h> 43fb919e4dSMark Murray #include <sys/lock.h> 44fb919e4dSMark Murray #include <sys/malloc.h> 45fb919e4dSMark Murray #include <sys/file.h> /* Must come after sys/malloc.h */ 4613438f68SAlfred Perlstein #include <sys/filedesc.h> 47fb919e4dSMark Murray #include <sys/mbuf.h> 48681a5bbeSBoris Popov #include <sys/poll.h> 49fb919e4dSMark Murray #include <sys/proc.h> 50fb919e4dSMark Murray #include <sys/select.h> 51fb919e4dSMark Murray #include <sys/socket.h> 52681a5bbeSBoris Popov #include <sys/socketvar.h> 53681a5bbeSBoris Popov #include <sys/sysctl.h> 54fb919e4dSMark Murray #include <sys/uio.h> 55681a5bbeSBoris Popov #include <sys/vnode.h> 56681a5bbeSBoris Popov 57681a5bbeSBoris Popov #include <net/if.h> 58681a5bbeSBoris Popov 59681a5bbeSBoris Popov #include <netsmb/smb.h> 60681a5bbeSBoris Popov #include <netsmb/smb_conn.h> 61681a5bbeSBoris Popov #include <netsmb/smb_subr.h> 62681a5bbeSBoris Popov #include <netsmb/smb_dev.h> 63681a5bbeSBoris Popov 64681a5bbeSBoris Popov #define SMB_GETDEV(dev) ((struct smb_dev*)(dev)->si_drv1) 65681a5bbeSBoris Popov #define SMB_CHECKMINOR(dev) do { \ 66681a5bbeSBoris Popov sdp = SMB_GETDEV(dev); \ 67681a5bbeSBoris Popov if (sdp == NULL) return ENXIO; \ 68681a5bbeSBoris Popov } while(0) 69681a5bbeSBoris Popov 70681a5bbeSBoris Popov static d_open_t nsmb_dev_open; 71681a5bbeSBoris Popov static d_close_t nsmb_dev_close; 72681a5bbeSBoris Popov static d_ioctl_t nsmb_dev_ioctl; 73681a5bbeSBoris Popov 74c4f02a89SMax Khon MODULE_DEPEND(netsmb, libiconv, 1, 1, 2); 75681a5bbeSBoris Popov MODULE_VERSION(netsmb, NSMB_VERSION); 76681a5bbeSBoris Popov 77681a5bbeSBoris Popov static int smb_version = NSMB_VERSION; 78681a5bbeSBoris Popov 79681a5bbeSBoris Popov 80681a5bbeSBoris Popov SYSCTL_DECL(_net_smb); 81681a5bbeSBoris Popov SYSCTL_INT(_net_smb, OID_AUTO, version, CTLFLAG_RD, &smb_version, 0, ""); 82681a5bbeSBoris Popov 83681a5bbeSBoris Popov static MALLOC_DEFINE(M_NSMBDEV, "NETSMBDEV", "NET/SMB device"); 84681a5bbeSBoris Popov 85681a5bbeSBoris Popov 86681a5bbeSBoris Popov /* 87681a5bbeSBoris Popov int smb_dev_queue(struct smb_dev *ndp, struct smb_rq *rqp, int prio); 88681a5bbeSBoris Popov */ 89681a5bbeSBoris Popov 90681a5bbeSBoris Popov static struct cdevsw nsmb_cdevsw = { 91dc08ffecSPoul-Henning Kamp .d_version = D_VERSION, 92339f72c7SRobert Watson .d_flags = D_NEEDGIANT | D_NEEDMINOR, 937ac40f5fSPoul-Henning Kamp .d_open = nsmb_dev_open, 947ac40f5fSPoul-Henning Kamp .d_close = nsmb_dev_close, 957ac40f5fSPoul-Henning Kamp .d_ioctl = nsmb_dev_ioctl, 96fd13f792STim J. Robbins .d_name = NSMB_NAME 97681a5bbeSBoris Popov }; 98681a5bbeSBoris Popov 99681a5bbeSBoris Popov static eventhandler_tag nsmb_dev_tag; 100339f72c7SRobert Watson static struct clonedevs *nsmb_clones; 101681a5bbeSBoris Popov 102681a5bbeSBoris Popov static void 1036a113b3dSRobert Watson nsmb_dev_clone(void *arg, struct ucred *cred, char *name, int namelen, 1046a113b3dSRobert Watson struct cdev **dev) 105681a5bbeSBoris Popov { 106339f72c7SRobert Watson int i, u; 107681a5bbeSBoris Popov 108f3732fd1SPoul-Henning Kamp if (*dev != NULL) 109681a5bbeSBoris Popov return; 110339f72c7SRobert Watson 111339f72c7SRobert Watson if (strcmp(name, NSMB_NAME) == 0) 112339f72c7SRobert Watson u = -1; 113339f72c7SRobert Watson else if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1) 114681a5bbeSBoris Popov return; 115339f72c7SRobert Watson i = clone_create(&nsmb_clones, &nsmb_cdevsw, &u, dev, 0); 116339f72c7SRobert Watson if (i) { 117339f72c7SRobert Watson *dev = make_dev(&nsmb_cdevsw, u, UID_ROOT, GID_WHEEL, 0600, 118339f72c7SRobert Watson "%s%d", NSMB_NAME, u); 119339f72c7SRobert Watson if (*dev != NULL) { 120f4f6abcbSPoul-Henning Kamp dev_ref(*dev); 121339f72c7SRobert Watson (*dev)->si_flags |= SI_CHEAPCLONE; 122339f72c7SRobert Watson } 123339f72c7SRobert Watson } 124681a5bbeSBoris Popov } 125681a5bbeSBoris Popov 126681a5bbeSBoris Popov static int 12789c9c53dSPoul-Henning Kamp nsmb_dev_open(struct cdev *dev, int oflags, int devtype, struct thread *td) 128681a5bbeSBoris Popov { 129681a5bbeSBoris Popov struct smb_dev *sdp; 130a854ed98SJohn Baldwin struct ucred *cred = td->td_ucred; 131681a5bbeSBoris Popov int s; 132681a5bbeSBoris Popov 133681a5bbeSBoris Popov sdp = SMB_GETDEV(dev); 134681a5bbeSBoris Popov if (sdp && (sdp->sd_flags & NSMBFL_OPEN)) 135681a5bbeSBoris Popov return EBUSY; 136681a5bbeSBoris Popov if (sdp == NULL) { 137a163d034SWarner Losh sdp = malloc(sizeof(*sdp), M_NSMBDEV, M_WAITOK); 138681a5bbeSBoris Popov dev->si_drv1 = (void*)sdp; 139681a5bbeSBoris Popov } 140681a5bbeSBoris Popov /* 141681a5bbeSBoris Popov * XXX: this is just crazy - make a device for an already passed device... 142681a5bbeSBoris Popov * someone should take care of it. 143681a5bbeSBoris Popov */ 144681a5bbeSBoris Popov if ((dev->si_flags & SI_NAMED) == 0) 1456bfa9a2dSEd Schouten make_dev(&nsmb_cdevsw, dev2unit(dev), cred->cr_uid, 1466bfa9a2dSEd Schouten cred->cr_gid, 0700, NSMB_NAME"%d", dev2unit(dev)); 147681a5bbeSBoris Popov bzero(sdp, sizeof(*sdp)); 148681a5bbeSBoris Popov /* 149681a5bbeSBoris Popov STAILQ_INIT(&sdp->sd_rqlist); 150681a5bbeSBoris Popov STAILQ_INIT(&sdp->sd_rplist); 151681a5bbeSBoris Popov bzero(&sdp->sd_pollinfo, sizeof(struct selinfo)); 152681a5bbeSBoris Popov */ 153681a5bbeSBoris Popov s = splimp(); 154681a5bbeSBoris Popov sdp->sd_level = -1; 155681a5bbeSBoris Popov sdp->sd_flags |= NSMBFL_OPEN; 156681a5bbeSBoris Popov splx(s); 157681a5bbeSBoris Popov return 0; 158681a5bbeSBoris Popov } 159681a5bbeSBoris Popov 160681a5bbeSBoris Popov static int 16189c9c53dSPoul-Henning Kamp nsmb_dev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 162681a5bbeSBoris Popov { 163681a5bbeSBoris Popov struct smb_dev *sdp; 164681a5bbeSBoris Popov struct smb_vc *vcp; 165681a5bbeSBoris Popov struct smb_share *ssp; 166681a5bbeSBoris Popov struct smb_cred scred; 167681a5bbeSBoris Popov int s; 168681a5bbeSBoris Popov 169681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 170681a5bbeSBoris Popov s = splimp(); 171681a5bbeSBoris Popov if ((sdp->sd_flags & NSMBFL_OPEN) == 0) { 172681a5bbeSBoris Popov splx(s); 173681a5bbeSBoris Popov return EBADF; 174681a5bbeSBoris Popov } 175fce6fbfaSBoris Popov smb_makescred(&scred, td, NULL); 176681a5bbeSBoris Popov ssp = sdp->sd_share; 177681a5bbeSBoris Popov if (ssp != NULL) 178681a5bbeSBoris Popov smb_share_rele(ssp, &scred); 179681a5bbeSBoris Popov vcp = sdp->sd_vc; 180681a5bbeSBoris Popov if (vcp != NULL) 181681a5bbeSBoris Popov smb_vc_rele(vcp, &scred); 182681a5bbeSBoris Popov /* 183681a5bbeSBoris Popov smb_flushq(&sdp->sd_rqlist); 184681a5bbeSBoris Popov smb_flushq(&sdp->sd_rplist); 185681a5bbeSBoris Popov */ 186681a5bbeSBoris Popov dev->si_drv1 = NULL; 187681a5bbeSBoris Popov free(sdp, M_NSMBDEV); 1885ee1ac46STai-hwa Liang destroy_dev_sched(dev); 189681a5bbeSBoris Popov splx(s); 190681a5bbeSBoris Popov return 0; 191681a5bbeSBoris Popov } 192681a5bbeSBoris Popov 193681a5bbeSBoris Popov 194681a5bbeSBoris Popov static int 19589c9c53dSPoul-Henning Kamp nsmb_dev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) 196681a5bbeSBoris Popov { 197681a5bbeSBoris Popov struct smb_dev *sdp; 198681a5bbeSBoris Popov struct smb_vc *vcp; 199681a5bbeSBoris Popov struct smb_share *ssp; 200681a5bbeSBoris Popov struct smb_cred scred; 201681a5bbeSBoris Popov int error = 0; 202681a5bbeSBoris Popov 203681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 204681a5bbeSBoris Popov if ((sdp->sd_flags & NSMBFL_OPEN) == 0) 205681a5bbeSBoris Popov return EBADF; 206681a5bbeSBoris Popov 207fce6fbfaSBoris Popov smb_makescred(&scred, td, NULL); 208681a5bbeSBoris Popov switch (cmd) { 209681a5bbeSBoris Popov case SMBIOC_OPENSESSION: 210681a5bbeSBoris Popov if (sdp->sd_vc) 211681a5bbeSBoris Popov return EISCONN; 212681a5bbeSBoris Popov error = smb_usr_opensession((struct smbioc_ossn*)data, 213681a5bbeSBoris Popov &scred, &vcp); 214681a5bbeSBoris Popov if (error) 215681a5bbeSBoris Popov break; 216681a5bbeSBoris Popov sdp->sd_vc = vcp; 2172b7da2dbSRobert Watson smb_vc_unlock(vcp, 0); 218681a5bbeSBoris Popov sdp->sd_level = SMBL_VC; 219681a5bbeSBoris Popov break; 220681a5bbeSBoris Popov case SMBIOC_OPENSHARE: 221681a5bbeSBoris Popov if (sdp->sd_share) 222681a5bbeSBoris Popov return EISCONN; 223681a5bbeSBoris Popov if (sdp->sd_vc == NULL) 224681a5bbeSBoris Popov return ENOTCONN; 225681a5bbeSBoris Popov error = smb_usr_openshare(sdp->sd_vc, 226681a5bbeSBoris Popov (struct smbioc_oshare*)data, &scred, &ssp); 227681a5bbeSBoris Popov if (error) 228681a5bbeSBoris Popov break; 229681a5bbeSBoris Popov sdp->sd_share = ssp; 2302b7da2dbSRobert Watson smb_share_unlock(ssp, 0); 231681a5bbeSBoris Popov sdp->sd_level = SMBL_SHARE; 232681a5bbeSBoris Popov break; 233681a5bbeSBoris Popov case SMBIOC_REQUEST: 234681a5bbeSBoris Popov if (sdp->sd_share == NULL) 235681a5bbeSBoris Popov return ENOTCONN; 236681a5bbeSBoris Popov error = smb_usr_simplerequest(sdp->sd_share, 237681a5bbeSBoris Popov (struct smbioc_rq*)data, &scred); 238681a5bbeSBoris Popov break; 239681a5bbeSBoris Popov case SMBIOC_T2RQ: 240681a5bbeSBoris Popov if (sdp->sd_share == NULL) 241681a5bbeSBoris Popov return ENOTCONN; 242681a5bbeSBoris Popov error = smb_usr_t2request(sdp->sd_share, 243681a5bbeSBoris Popov (struct smbioc_t2rq*)data, &scred); 244681a5bbeSBoris Popov break; 245681a5bbeSBoris Popov case SMBIOC_SETFLAGS: { 246681a5bbeSBoris Popov struct smbioc_flags *fl = (struct smbioc_flags*)data; 247681a5bbeSBoris Popov int on; 248681a5bbeSBoris Popov 249681a5bbeSBoris Popov if (fl->ioc_level == SMBL_VC) { 250681a5bbeSBoris Popov if (fl->ioc_mask & SMBV_PERMANENT) { 251681a5bbeSBoris Popov on = fl->ioc_flags & SMBV_PERMANENT; 252681a5bbeSBoris Popov if ((vcp = sdp->sd_vc) == NULL) 253681a5bbeSBoris Popov return ENOTCONN; 254681a5bbeSBoris Popov error = smb_vc_get(vcp, LK_EXCLUSIVE, &scred); 255681a5bbeSBoris Popov if (error) 256681a5bbeSBoris Popov break; 257681a5bbeSBoris Popov if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) { 258681a5bbeSBoris Popov vcp->obj.co_flags |= SMBV_PERMANENT; 259fce6fbfaSBoris Popov smb_vc_ref(vcp); 260681a5bbeSBoris Popov } else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) { 261681a5bbeSBoris Popov vcp->obj.co_flags &= ~SMBV_PERMANENT; 262681a5bbeSBoris Popov smb_vc_rele(vcp, &scred); 263681a5bbeSBoris Popov } 264681a5bbeSBoris Popov smb_vc_put(vcp, &scred); 265681a5bbeSBoris Popov } else 266681a5bbeSBoris Popov error = EINVAL; 267681a5bbeSBoris Popov } else if (fl->ioc_level == SMBL_SHARE) { 268681a5bbeSBoris Popov if (fl->ioc_mask & SMBS_PERMANENT) { 269681a5bbeSBoris Popov on = fl->ioc_flags & SMBS_PERMANENT; 270681a5bbeSBoris Popov if ((ssp = sdp->sd_share) == NULL) 271681a5bbeSBoris Popov return ENOTCONN; 272681a5bbeSBoris Popov error = smb_share_get(ssp, LK_EXCLUSIVE, &scred); 273681a5bbeSBoris Popov if (error) 274681a5bbeSBoris Popov break; 275681a5bbeSBoris Popov if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) { 276681a5bbeSBoris Popov ssp->obj.co_flags |= SMBS_PERMANENT; 277fce6fbfaSBoris Popov smb_share_ref(ssp); 278681a5bbeSBoris Popov } else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) { 279681a5bbeSBoris Popov ssp->obj.co_flags &= ~SMBS_PERMANENT; 280681a5bbeSBoris Popov smb_share_rele(ssp, &scred); 281681a5bbeSBoris Popov } 282681a5bbeSBoris Popov smb_share_put(ssp, &scred); 283681a5bbeSBoris Popov } else 284681a5bbeSBoris Popov error = EINVAL; 285681a5bbeSBoris Popov break; 286681a5bbeSBoris Popov } else 287681a5bbeSBoris Popov error = EINVAL; 288681a5bbeSBoris Popov break; 289681a5bbeSBoris Popov } 290681a5bbeSBoris Popov case SMBIOC_LOOKUP: 291681a5bbeSBoris Popov if (sdp->sd_vc || sdp->sd_share) 292681a5bbeSBoris Popov return EISCONN; 293681a5bbeSBoris Popov vcp = NULL; 294681a5bbeSBoris Popov ssp = NULL; 295681a5bbeSBoris Popov error = smb_usr_lookup((struct smbioc_lookup*)data, &scred, &vcp, &ssp); 296681a5bbeSBoris Popov if (error) 297681a5bbeSBoris Popov break; 298681a5bbeSBoris Popov if (vcp) { 299681a5bbeSBoris Popov sdp->sd_vc = vcp; 3002b7da2dbSRobert Watson smb_vc_unlock(vcp, 0); 301681a5bbeSBoris Popov sdp->sd_level = SMBL_VC; 302681a5bbeSBoris Popov } 303681a5bbeSBoris Popov if (ssp) { 304681a5bbeSBoris Popov sdp->sd_share = ssp; 3052b7da2dbSRobert Watson smb_share_unlock(ssp, 0); 306681a5bbeSBoris Popov sdp->sd_level = SMBL_SHARE; 307681a5bbeSBoris Popov } 308681a5bbeSBoris Popov break; 309681a5bbeSBoris Popov case SMBIOC_READ: case SMBIOC_WRITE: { 310681a5bbeSBoris Popov struct smbioc_rw *rwrq = (struct smbioc_rw*)data; 311681a5bbeSBoris Popov struct uio auio; 312681a5bbeSBoris Popov struct iovec iov; 313681a5bbeSBoris Popov 314681a5bbeSBoris Popov if ((ssp = sdp->sd_share) == NULL) 315681a5bbeSBoris Popov return ENOTCONN; 316681a5bbeSBoris Popov iov.iov_base = rwrq->ioc_base; 317681a5bbeSBoris Popov iov.iov_len = rwrq->ioc_cnt; 318681a5bbeSBoris Popov auio.uio_iov = &iov; 319681a5bbeSBoris Popov auio.uio_iovcnt = 1; 320681a5bbeSBoris Popov auio.uio_offset = rwrq->ioc_offset; 321681a5bbeSBoris Popov auio.uio_resid = rwrq->ioc_cnt; 322681a5bbeSBoris Popov auio.uio_segflg = UIO_USERSPACE; 323681a5bbeSBoris Popov auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE; 324fce6fbfaSBoris Popov auio.uio_td = td; 325681a5bbeSBoris Popov if (cmd == SMBIOC_READ) 326681a5bbeSBoris Popov error = smb_read(ssp, rwrq->ioc_fh, &auio, &scred); 327681a5bbeSBoris Popov else 328681a5bbeSBoris Popov error = smb_write(ssp, rwrq->ioc_fh, &auio, &scred); 329681a5bbeSBoris Popov rwrq->ioc_cnt -= auio.uio_resid; 330681a5bbeSBoris Popov break; 331681a5bbeSBoris Popov } 332681a5bbeSBoris Popov default: 333681a5bbeSBoris Popov error = ENODEV; 334681a5bbeSBoris Popov } 335681a5bbeSBoris Popov return error; 336681a5bbeSBoris Popov } 337681a5bbeSBoris Popov 338681a5bbeSBoris Popov static int 339681a5bbeSBoris Popov nsmb_dev_load(module_t mod, int cmd, void *arg) 340681a5bbeSBoris Popov { 341681a5bbeSBoris Popov int error = 0; 342681a5bbeSBoris Popov 343681a5bbeSBoris Popov switch (cmd) { 344681a5bbeSBoris Popov case MOD_LOAD: 345681a5bbeSBoris Popov error = smb_sm_init(); 346681a5bbeSBoris Popov if (error) 347681a5bbeSBoris Popov break; 348681a5bbeSBoris Popov error = smb_iod_init(); 349681a5bbeSBoris Popov if (error) { 350681a5bbeSBoris Popov smb_sm_done(); 351681a5bbeSBoris Popov break; 352681a5bbeSBoris Popov } 353339f72c7SRobert Watson clone_setup(&nsmb_clones); 354681a5bbeSBoris Popov nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000); 355681a5bbeSBoris Popov printf("netsmb_dev: loaded\n"); 356681a5bbeSBoris Popov break; 357681a5bbeSBoris Popov case MOD_UNLOAD: 358681a5bbeSBoris Popov smb_iod_done(); 359681a5bbeSBoris Popov error = smb_sm_done(); 36019caf6c0SBoris Popov if (error) 36119caf6c0SBoris Popov break; 362681a5bbeSBoris Popov EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag); 3635ee1ac46STai-hwa Liang drain_dev_clone_events(); 364339f72c7SRobert Watson clone_cleanup(&nsmb_clones); 3655ee1ac46STai-hwa Liang destroy_dev_drain(&nsmb_cdevsw); 366681a5bbeSBoris Popov printf("netsmb_dev: unloaded\n"); 367681a5bbeSBoris Popov break; 368681a5bbeSBoris Popov default: 369681a5bbeSBoris Popov error = EINVAL; 370681a5bbeSBoris Popov break; 371681a5bbeSBoris Popov } 372681a5bbeSBoris Popov return error; 373681a5bbeSBoris Popov } 374681a5bbeSBoris Popov 375681a5bbeSBoris Popov DEV_MODULE (dev_netsmb, nsmb_dev_load, 0); 376681a5bbeSBoris Popov 377681a5bbeSBoris Popov /* 378681a5bbeSBoris Popov * Convert a file descriptor to appropriate smb_share pointer 379681a5bbeSBoris Popov */ 380681a5bbeSBoris Popov static struct file* 381681a5bbeSBoris Popov nsmb_getfp(struct filedesc* fdp, int fd, int flag) 382681a5bbeSBoris Popov { 383681a5bbeSBoris Popov struct file* fp; 384681a5bbeSBoris Popov 3855e3f7694SRobert Watson FILEDESC_SLOCK(fdp); 386681a5bbeSBoris Popov if (((u_int)fd) >= fdp->fd_nfiles || 387681a5bbeSBoris Popov (fp = fdp->fd_ofiles[fd]) == NULL || 388426da3bcSAlfred Perlstein (fp->f_flag & flag) == 0) { 3895e3f7694SRobert Watson FILEDESC_SUNLOCK(fdp); 390681a5bbeSBoris Popov return (NULL); 391426da3bcSAlfred Perlstein } 392426da3bcSAlfred Perlstein fhold(fp); 3935e3f7694SRobert Watson FILEDESC_SUNLOCK(fdp); 394681a5bbeSBoris Popov return (fp); 395681a5bbeSBoris Popov } 396681a5bbeSBoris Popov 397681a5bbeSBoris Popov int 398681a5bbeSBoris Popov smb_dev2share(int fd, int mode, struct smb_cred *scred, 399681a5bbeSBoris Popov struct smb_share **sspp) 400681a5bbeSBoris Popov { 401681a5bbeSBoris Popov struct file *fp; 402681a5bbeSBoris Popov struct vnode *vp; 403681a5bbeSBoris Popov struct smb_dev *sdp; 404681a5bbeSBoris Popov struct smb_share *ssp; 40589c9c53dSPoul-Henning Kamp struct cdev *dev; 406681a5bbeSBoris Popov int error; 407681a5bbeSBoris Popov 408fce6fbfaSBoris Popov fp = nsmb_getfp(scred->scr_td->td_proc->p_fd, fd, FREAD | FWRITE); 409fce6fbfaSBoris Popov if (fp == NULL) 410681a5bbeSBoris Popov return EBADF; 4113b6d9652SPoul-Henning Kamp vp = fp->f_vnode; 412426da3bcSAlfred Perlstein if (vp == NULL) { 413426da3bcSAlfred Perlstein fdrop(fp, curthread); 414681a5bbeSBoris Popov return EBADF; 415426da3bcSAlfred Perlstein } 41638bb5ccdSPoul-Henning Kamp if (vp->v_type != VCHR) { 417426da3bcSAlfred Perlstein fdrop(fp, curthread); 418681a5bbeSBoris Popov return EBADF; 419426da3bcSAlfred Perlstein } 42038bb5ccdSPoul-Henning Kamp dev = vp->v_rdev; 421681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 422681a5bbeSBoris Popov ssp = sdp->sd_share; 423426da3bcSAlfred Perlstein if (ssp == NULL) { 424426da3bcSAlfred Perlstein fdrop(fp, curthread); 425681a5bbeSBoris Popov return ENOTCONN; 426426da3bcSAlfred Perlstein } 427681a5bbeSBoris Popov error = smb_share_get(ssp, LK_EXCLUSIVE, scred); 428426da3bcSAlfred Perlstein if (error == 0) 429681a5bbeSBoris Popov *sspp = ssp; 430426da3bcSAlfred Perlstein fdrop(fp, curthread); 431426da3bcSAlfred Perlstein return error; 432681a5bbeSBoris Popov } 433681a5bbeSBoris Popov 434