1681a5bbeSBoris Popov /* 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 * 32681a5bbeSBoris Popov * $FreeBSD$ 33681a5bbeSBoris Popov */ 34681a5bbeSBoris Popov #include <sys/param.h> 35681a5bbeSBoris Popov #include <sys/kernel.h> 36681a5bbeSBoris Popov #include <sys/systm.h> 37681a5bbeSBoris Popov #include <sys/conf.h> 38681a5bbeSBoris Popov #include <sys/fcntl.h> 39fb919e4dSMark Murray #include <sys/ioccom.h> 40fb919e4dSMark Murray #include <sys/lock.h> 41fb919e4dSMark Murray #include <sys/malloc.h> 42fb919e4dSMark Murray #include <sys/file.h> /* Must come after sys/malloc.h */ 43fb919e4dSMark Murray #include <sys/mbuf.h> 44681a5bbeSBoris Popov #include <sys/poll.h> 45fb919e4dSMark Murray #include <sys/proc.h> 46fb919e4dSMark Murray #include <sys/select.h> 47fb919e4dSMark Murray #include <sys/socket.h> 48681a5bbeSBoris Popov #include <sys/socketvar.h> 49681a5bbeSBoris Popov #include <sys/sysctl.h> 50fb919e4dSMark Murray #include <sys/uio.h> 51681a5bbeSBoris Popov #include <sys/vnode.h> 52681a5bbeSBoris Popov 53681a5bbeSBoris Popov #include <net/if.h> 54681a5bbeSBoris Popov 55681a5bbeSBoris Popov #include <netsmb/smb.h> 56681a5bbeSBoris Popov #include <netsmb/smb_conn.h> 57681a5bbeSBoris Popov #include <netsmb/smb_subr.h> 58681a5bbeSBoris Popov #include <netsmb/smb_dev.h> 59681a5bbeSBoris Popov 60681a5bbeSBoris Popov #define SMB_GETDEV(dev) ((struct smb_dev*)(dev)->si_drv1) 61681a5bbeSBoris Popov #define SMB_CHECKMINOR(dev) do { \ 62681a5bbeSBoris Popov sdp = SMB_GETDEV(dev); \ 63681a5bbeSBoris Popov if (sdp == NULL) return ENXIO; \ 64681a5bbeSBoris Popov } while(0) 65681a5bbeSBoris Popov 66681a5bbeSBoris Popov static d_open_t nsmb_dev_open; 67681a5bbeSBoris Popov static d_close_t nsmb_dev_close; 68681a5bbeSBoris Popov static d_read_t nsmb_dev_read; 69681a5bbeSBoris Popov static d_write_t nsmb_dev_write; 70681a5bbeSBoris Popov static d_ioctl_t nsmb_dev_ioctl; 71681a5bbeSBoris Popov static d_poll_t nsmb_dev_poll; 72681a5bbeSBoris Popov 73681a5bbeSBoris Popov MODULE_DEPEND(netsmb, libiconv, 1, 1, 1); 74681a5bbeSBoris Popov MODULE_VERSION(netsmb, NSMB_VERSION); 75681a5bbeSBoris Popov 76681a5bbeSBoris Popov static int smb_version = NSMB_VERSION; 77681a5bbeSBoris Popov 78681a5bbeSBoris Popov 79681a5bbeSBoris Popov SYSCTL_DECL(_net_smb); 80681a5bbeSBoris Popov SYSCTL_INT(_net_smb, OID_AUTO, version, CTLFLAG_RD, &smb_version, 0, ""); 81681a5bbeSBoris Popov 82681a5bbeSBoris Popov static MALLOC_DEFINE(M_NSMBDEV, "NETSMBDEV", "NET/SMB device"); 83681a5bbeSBoris Popov 84681a5bbeSBoris Popov 85681a5bbeSBoris Popov /* 86681a5bbeSBoris Popov int smb_dev_queue(struct smb_dev *ndp, struct smb_rq *rqp, int prio); 87681a5bbeSBoris Popov */ 88681a5bbeSBoris Popov 89681a5bbeSBoris Popov static struct cdevsw nsmb_cdevsw = { 90681a5bbeSBoris Popov /* open */ nsmb_dev_open, 91681a5bbeSBoris Popov /* close */ nsmb_dev_close, 92681a5bbeSBoris Popov /* read */ nsmb_dev_read, 93681a5bbeSBoris Popov /* write */ nsmb_dev_write, 94681a5bbeSBoris Popov /* ioctl */ nsmb_dev_ioctl, 95681a5bbeSBoris Popov /* poll */ nsmb_dev_poll, 96681a5bbeSBoris Popov /* mmap */ nommap, 97681a5bbeSBoris Popov /* strategy */ nostrategy, 98681a5bbeSBoris Popov /* name */ NSMB_NAME, 99681a5bbeSBoris Popov /* maj */ NSMB_MAJOR, 100681a5bbeSBoris Popov /* dump */ nodump, 101681a5bbeSBoris Popov /* psize */ nopsize, 102681a5bbeSBoris Popov /* flags */ 0, 103681a5bbeSBoris Popov #ifndef FB_CURRENT 104681a5bbeSBoris Popov /* bmaj */ -1 105681a5bbeSBoris Popov #endif 106681a5bbeSBoris Popov }; 107681a5bbeSBoris Popov 108681a5bbeSBoris Popov static eventhandler_tag nsmb_dev_tag; 109681a5bbeSBoris Popov 110681a5bbeSBoris Popov static void 111681a5bbeSBoris Popov nsmb_dev_clone(void *arg, char *name, int namelen, dev_t *dev) 112681a5bbeSBoris Popov { 113681a5bbeSBoris Popov int min; 114681a5bbeSBoris Popov 115681a5bbeSBoris Popov if (*dev != NODEV) 116681a5bbeSBoris Popov return; 117681a5bbeSBoris Popov if (dev_stdclone(name, NULL, NSMB_NAME, &min) != 1) 118681a5bbeSBoris Popov return; 119681a5bbeSBoris Popov *dev = make_dev(&nsmb_cdevsw, min, 0, 0, 0600, NSMB_NAME"%d", min); 120681a5bbeSBoris Popov } 121681a5bbeSBoris Popov 122681a5bbeSBoris Popov static int 123fce6fbfaSBoris Popov nsmb_dev_open(dev_t dev, int oflags, int devtype, struct thread *td) 124681a5bbeSBoris Popov { 125681a5bbeSBoris Popov struct smb_dev *sdp; 126fce6fbfaSBoris Popov struct proc *p = td->td_proc; 127681a5bbeSBoris Popov struct ucred *cred = p->p_ucred; 128681a5bbeSBoris Popov int s; 129681a5bbeSBoris Popov 130681a5bbeSBoris Popov sdp = SMB_GETDEV(dev); 131681a5bbeSBoris Popov if (sdp && (sdp->sd_flags & NSMBFL_OPEN)) 132681a5bbeSBoris Popov return EBUSY; 133681a5bbeSBoris Popov if (sdp == NULL) { 134681a5bbeSBoris Popov sdp = malloc(sizeof(*sdp), M_NSMBDEV, M_WAITOK); 135681a5bbeSBoris Popov dev->si_drv1 = (void*)sdp; 136681a5bbeSBoris Popov } 137681a5bbeSBoris Popov /* 138681a5bbeSBoris Popov * XXX: this is just crazy - make a device for an already passed device... 139681a5bbeSBoris Popov * someone should take care of it. 140681a5bbeSBoris Popov */ 141681a5bbeSBoris Popov if ((dev->si_flags & SI_NAMED) == 0) 142681a5bbeSBoris Popov make_dev(&nsmb_cdevsw, minor(dev), cred->cr_uid, cred->cr_gid, 0700, 143681a5bbeSBoris Popov NSMB_NAME"%d", dev2unit(dev)); 144681a5bbeSBoris Popov bzero(sdp, sizeof(*sdp)); 145681a5bbeSBoris Popov /* 146681a5bbeSBoris Popov STAILQ_INIT(&sdp->sd_rqlist); 147681a5bbeSBoris Popov STAILQ_INIT(&sdp->sd_rplist); 148681a5bbeSBoris Popov bzero(&sdp->sd_pollinfo, sizeof(struct selinfo)); 149681a5bbeSBoris Popov */ 150681a5bbeSBoris Popov s = splimp(); 151681a5bbeSBoris Popov sdp->sd_level = -1; 152681a5bbeSBoris Popov sdp->sd_flags |= NSMBFL_OPEN; 153681a5bbeSBoris Popov splx(s); 154681a5bbeSBoris Popov return 0; 155681a5bbeSBoris Popov } 156681a5bbeSBoris Popov 157681a5bbeSBoris Popov static int 158fce6fbfaSBoris Popov nsmb_dev_close(dev_t dev, int flag, int fmt, struct thread *td) 159681a5bbeSBoris Popov { 160681a5bbeSBoris Popov struct smb_dev *sdp; 161681a5bbeSBoris Popov struct smb_vc *vcp; 162681a5bbeSBoris Popov struct smb_share *ssp; 163681a5bbeSBoris Popov struct smb_cred scred; 164681a5bbeSBoris Popov int s; 165681a5bbeSBoris Popov 166681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 167681a5bbeSBoris Popov s = splimp(); 168681a5bbeSBoris Popov if ((sdp->sd_flags & NSMBFL_OPEN) == 0) { 169681a5bbeSBoris Popov splx(s); 170681a5bbeSBoris Popov return EBADF; 171681a5bbeSBoris Popov } 172fce6fbfaSBoris Popov smb_makescred(&scred, td, NULL); 173681a5bbeSBoris Popov ssp = sdp->sd_share; 174681a5bbeSBoris Popov if (ssp != NULL) 175681a5bbeSBoris Popov smb_share_rele(ssp, &scred); 176681a5bbeSBoris Popov vcp = sdp->sd_vc; 177681a5bbeSBoris Popov if (vcp != NULL) 178681a5bbeSBoris Popov smb_vc_rele(vcp, &scred); 179681a5bbeSBoris Popov /* 180681a5bbeSBoris Popov smb_flushq(&sdp->sd_rqlist); 181681a5bbeSBoris Popov smb_flushq(&sdp->sd_rplist); 182681a5bbeSBoris Popov */ 183681a5bbeSBoris Popov dev->si_drv1 = NULL; 184681a5bbeSBoris Popov free(sdp, M_NSMBDEV); 185681a5bbeSBoris Popov destroy_dev(dev); 186681a5bbeSBoris Popov splx(s); 187681a5bbeSBoris Popov return 0; 188681a5bbeSBoris Popov } 189681a5bbeSBoris Popov 190681a5bbeSBoris Popov 191681a5bbeSBoris Popov static int 192fce6fbfaSBoris Popov nsmb_dev_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 193681a5bbeSBoris Popov { 194681a5bbeSBoris Popov struct smb_dev *sdp; 195681a5bbeSBoris Popov struct smb_vc *vcp; 196681a5bbeSBoris Popov struct smb_share *ssp; 197681a5bbeSBoris Popov struct smb_cred scred; 198681a5bbeSBoris Popov int error = 0; 199681a5bbeSBoris Popov 200681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 201681a5bbeSBoris Popov if ((sdp->sd_flags & NSMBFL_OPEN) == 0) 202681a5bbeSBoris Popov return EBADF; 203681a5bbeSBoris Popov 204fce6fbfaSBoris Popov smb_makescred(&scred, td, NULL); 205681a5bbeSBoris Popov switch (cmd) { 206681a5bbeSBoris Popov case SMBIOC_OPENSESSION: 207681a5bbeSBoris Popov if (sdp->sd_vc) 208681a5bbeSBoris Popov return EISCONN; 209681a5bbeSBoris Popov error = smb_usr_opensession((struct smbioc_ossn*)data, 210681a5bbeSBoris Popov &scred, &vcp); 211681a5bbeSBoris Popov if (error) 212681a5bbeSBoris Popov break; 213681a5bbeSBoris Popov sdp->sd_vc = vcp; 214fce6fbfaSBoris Popov smb_vc_unlock(vcp, 0, td); 215681a5bbeSBoris Popov sdp->sd_level = SMBL_VC; 216681a5bbeSBoris Popov break; 217681a5bbeSBoris Popov case SMBIOC_OPENSHARE: 218681a5bbeSBoris Popov if (sdp->sd_share) 219681a5bbeSBoris Popov return EISCONN; 220681a5bbeSBoris Popov if (sdp->sd_vc == NULL) 221681a5bbeSBoris Popov return ENOTCONN; 222681a5bbeSBoris Popov error = smb_usr_openshare(sdp->sd_vc, 223681a5bbeSBoris Popov (struct smbioc_oshare*)data, &scred, &ssp); 224681a5bbeSBoris Popov if (error) 225681a5bbeSBoris Popov break; 226681a5bbeSBoris Popov sdp->sd_share = ssp; 227fce6fbfaSBoris Popov smb_share_unlock(ssp, 0, td); 228681a5bbeSBoris Popov sdp->sd_level = SMBL_SHARE; 229681a5bbeSBoris Popov break; 230681a5bbeSBoris Popov case SMBIOC_REQUEST: 231681a5bbeSBoris Popov if (sdp->sd_share == NULL) 232681a5bbeSBoris Popov return ENOTCONN; 233681a5bbeSBoris Popov error = smb_usr_simplerequest(sdp->sd_share, 234681a5bbeSBoris Popov (struct smbioc_rq*)data, &scred); 235681a5bbeSBoris Popov break; 236681a5bbeSBoris Popov case SMBIOC_T2RQ: 237681a5bbeSBoris Popov if (sdp->sd_share == NULL) 238681a5bbeSBoris Popov return ENOTCONN; 239681a5bbeSBoris Popov error = smb_usr_t2request(sdp->sd_share, 240681a5bbeSBoris Popov (struct smbioc_t2rq*)data, &scred); 241681a5bbeSBoris Popov break; 242681a5bbeSBoris Popov case SMBIOC_SETFLAGS: { 243681a5bbeSBoris Popov struct smbioc_flags *fl = (struct smbioc_flags*)data; 244681a5bbeSBoris Popov int on; 245681a5bbeSBoris Popov 246681a5bbeSBoris Popov if (fl->ioc_level == SMBL_VC) { 247681a5bbeSBoris Popov if (fl->ioc_mask & SMBV_PERMANENT) { 248681a5bbeSBoris Popov on = fl->ioc_flags & SMBV_PERMANENT; 249681a5bbeSBoris Popov if ((vcp = sdp->sd_vc) == NULL) 250681a5bbeSBoris Popov return ENOTCONN; 251681a5bbeSBoris Popov error = smb_vc_get(vcp, LK_EXCLUSIVE, &scred); 252681a5bbeSBoris Popov if (error) 253681a5bbeSBoris Popov break; 254681a5bbeSBoris Popov if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) { 255681a5bbeSBoris Popov vcp->obj.co_flags |= SMBV_PERMANENT; 256fce6fbfaSBoris Popov smb_vc_ref(vcp); 257681a5bbeSBoris Popov } else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) { 258681a5bbeSBoris Popov vcp->obj.co_flags &= ~SMBV_PERMANENT; 259681a5bbeSBoris Popov smb_vc_rele(vcp, &scred); 260681a5bbeSBoris Popov } 261681a5bbeSBoris Popov smb_vc_put(vcp, &scred); 262681a5bbeSBoris Popov } else 263681a5bbeSBoris Popov error = EINVAL; 264681a5bbeSBoris Popov } else if (fl->ioc_level == SMBL_SHARE) { 265681a5bbeSBoris Popov if (fl->ioc_mask & SMBS_PERMANENT) { 266681a5bbeSBoris Popov on = fl->ioc_flags & SMBS_PERMANENT; 267681a5bbeSBoris Popov if ((ssp = sdp->sd_share) == NULL) 268681a5bbeSBoris Popov return ENOTCONN; 269681a5bbeSBoris Popov error = smb_share_get(ssp, LK_EXCLUSIVE, &scred); 270681a5bbeSBoris Popov if (error) 271681a5bbeSBoris Popov break; 272681a5bbeSBoris Popov if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) { 273681a5bbeSBoris Popov ssp->obj.co_flags |= SMBS_PERMANENT; 274fce6fbfaSBoris Popov smb_share_ref(ssp); 275681a5bbeSBoris Popov } else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) { 276681a5bbeSBoris Popov ssp->obj.co_flags &= ~SMBS_PERMANENT; 277681a5bbeSBoris Popov smb_share_rele(ssp, &scred); 278681a5bbeSBoris Popov } 279681a5bbeSBoris Popov smb_share_put(ssp, &scred); 280681a5bbeSBoris Popov } else 281681a5bbeSBoris Popov error = EINVAL; 282681a5bbeSBoris Popov break; 283681a5bbeSBoris Popov } else 284681a5bbeSBoris Popov error = EINVAL; 285681a5bbeSBoris Popov break; 286681a5bbeSBoris Popov } 287681a5bbeSBoris Popov case SMBIOC_LOOKUP: 288681a5bbeSBoris Popov if (sdp->sd_vc || sdp->sd_share) 289681a5bbeSBoris Popov return EISCONN; 290681a5bbeSBoris Popov vcp = NULL; 291681a5bbeSBoris Popov ssp = NULL; 292681a5bbeSBoris Popov error = smb_usr_lookup((struct smbioc_lookup*)data, &scred, &vcp, &ssp); 293681a5bbeSBoris Popov if (error) 294681a5bbeSBoris Popov break; 295681a5bbeSBoris Popov if (vcp) { 296681a5bbeSBoris Popov sdp->sd_vc = vcp; 297fce6fbfaSBoris Popov smb_vc_unlock(vcp, 0, td); 298681a5bbeSBoris Popov sdp->sd_level = SMBL_VC; 299681a5bbeSBoris Popov } 300681a5bbeSBoris Popov if (ssp) { 301681a5bbeSBoris Popov sdp->sd_share = ssp; 302fce6fbfaSBoris Popov smb_share_unlock(ssp, 0, td); 303681a5bbeSBoris Popov sdp->sd_level = SMBL_SHARE; 304681a5bbeSBoris Popov } 305681a5bbeSBoris Popov break; 306681a5bbeSBoris Popov case SMBIOC_READ: case SMBIOC_WRITE: { 307681a5bbeSBoris Popov struct smbioc_rw *rwrq = (struct smbioc_rw*)data; 308681a5bbeSBoris Popov struct uio auio; 309681a5bbeSBoris Popov struct iovec iov; 310681a5bbeSBoris Popov 311681a5bbeSBoris Popov if ((ssp = sdp->sd_share) == NULL) 312681a5bbeSBoris Popov return ENOTCONN; 313681a5bbeSBoris Popov iov.iov_base = rwrq->ioc_base; 314681a5bbeSBoris Popov iov.iov_len = rwrq->ioc_cnt; 315681a5bbeSBoris Popov auio.uio_iov = &iov; 316681a5bbeSBoris Popov auio.uio_iovcnt = 1; 317681a5bbeSBoris Popov auio.uio_offset = rwrq->ioc_offset; 318681a5bbeSBoris Popov auio.uio_resid = rwrq->ioc_cnt; 319681a5bbeSBoris Popov auio.uio_segflg = UIO_USERSPACE; 320681a5bbeSBoris Popov auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE; 321fce6fbfaSBoris Popov auio.uio_td = td; 322681a5bbeSBoris Popov if (cmd == SMBIOC_READ) 323681a5bbeSBoris Popov error = smb_read(ssp, rwrq->ioc_fh, &auio, &scred); 324681a5bbeSBoris Popov else 325681a5bbeSBoris Popov error = smb_write(ssp, rwrq->ioc_fh, &auio, &scred); 326681a5bbeSBoris Popov rwrq->ioc_cnt -= auio.uio_resid; 327681a5bbeSBoris Popov break; 328681a5bbeSBoris Popov } 329681a5bbeSBoris Popov default: 330681a5bbeSBoris Popov error = ENODEV; 331681a5bbeSBoris Popov } 332681a5bbeSBoris Popov return error; 333681a5bbeSBoris Popov } 334681a5bbeSBoris Popov 335681a5bbeSBoris Popov static int 336681a5bbeSBoris Popov nsmb_dev_read(dev_t dev, struct uio *uio, int flag) 337681a5bbeSBoris Popov { 338681a5bbeSBoris Popov return EACCES; 339681a5bbeSBoris Popov } 340681a5bbeSBoris Popov 341681a5bbeSBoris Popov static int 342681a5bbeSBoris Popov nsmb_dev_write(dev_t dev, struct uio *uio, int flag) 343681a5bbeSBoris Popov { 344681a5bbeSBoris Popov return EACCES; 345681a5bbeSBoris Popov } 346681a5bbeSBoris Popov 347681a5bbeSBoris Popov static int 348fce6fbfaSBoris Popov nsmb_dev_poll(dev_t dev, int events, struct thread *td) 349681a5bbeSBoris Popov { 350681a5bbeSBoris Popov return ENODEV; 351681a5bbeSBoris Popov } 352681a5bbeSBoris Popov 353681a5bbeSBoris Popov static int 354681a5bbeSBoris Popov nsmb_dev_load(module_t mod, int cmd, void *arg) 355681a5bbeSBoris Popov { 356681a5bbeSBoris Popov int error = 0; 357681a5bbeSBoris Popov 358681a5bbeSBoris Popov switch (cmd) { 359681a5bbeSBoris Popov case MOD_LOAD: 360681a5bbeSBoris Popov error = smb_sm_init(); 361681a5bbeSBoris Popov if (error) 362681a5bbeSBoris Popov break; 363681a5bbeSBoris Popov error = smb_iod_init(); 364681a5bbeSBoris Popov if (error) { 365681a5bbeSBoris Popov smb_sm_done(); 366681a5bbeSBoris Popov break; 367681a5bbeSBoris Popov } 368681a5bbeSBoris Popov cdevsw_add(&nsmb_cdevsw); 369681a5bbeSBoris Popov nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000); 370681a5bbeSBoris Popov printf("netsmb_dev: loaded\n"); 371681a5bbeSBoris Popov break; 372681a5bbeSBoris Popov case MOD_UNLOAD: 373681a5bbeSBoris Popov smb_iod_done(); 374681a5bbeSBoris Popov error = smb_sm_done(); 375681a5bbeSBoris Popov error = 0; 376681a5bbeSBoris Popov EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag); 377681a5bbeSBoris Popov cdevsw_remove(&nsmb_cdevsw); 378681a5bbeSBoris Popov printf("netsmb_dev: unloaded\n"); 379681a5bbeSBoris Popov break; 380681a5bbeSBoris Popov default: 381681a5bbeSBoris Popov error = EINVAL; 382681a5bbeSBoris Popov break; 383681a5bbeSBoris Popov } 384681a5bbeSBoris Popov return error; 385681a5bbeSBoris Popov } 386681a5bbeSBoris Popov 387681a5bbeSBoris Popov DEV_MODULE (dev_netsmb, nsmb_dev_load, 0); 388681a5bbeSBoris Popov 389681a5bbeSBoris Popov /* 390681a5bbeSBoris Popov * Convert a file descriptor to appropriate smb_share pointer 391681a5bbeSBoris Popov */ 392681a5bbeSBoris Popov static struct file* 393681a5bbeSBoris Popov nsmb_getfp(struct filedesc* fdp, int fd, int flag) 394681a5bbeSBoris Popov { 395681a5bbeSBoris Popov struct file* fp; 396681a5bbeSBoris Popov 397681a5bbeSBoris Popov if (((u_int)fd) >= fdp->fd_nfiles || 398681a5bbeSBoris Popov (fp = fdp->fd_ofiles[fd]) == NULL || 399681a5bbeSBoris Popov (fp->f_flag & flag) == 0) 400681a5bbeSBoris Popov return (NULL); 401681a5bbeSBoris Popov return (fp); 402681a5bbeSBoris Popov } 403681a5bbeSBoris Popov 404681a5bbeSBoris Popov int 405681a5bbeSBoris Popov smb_dev2share(int fd, int mode, struct smb_cred *scred, 406681a5bbeSBoris Popov struct smb_share **sspp) 407681a5bbeSBoris Popov { 408681a5bbeSBoris Popov struct file *fp; 409681a5bbeSBoris Popov struct vnode *vp; 410681a5bbeSBoris Popov struct smb_dev *sdp; 411681a5bbeSBoris Popov struct smb_share *ssp; 412681a5bbeSBoris Popov dev_t dev; 413681a5bbeSBoris Popov int error; 414681a5bbeSBoris Popov 415fce6fbfaSBoris Popov fp = nsmb_getfp(scred->scr_td->td_proc->p_fd, fd, FREAD | FWRITE); 416fce6fbfaSBoris Popov if (fp == NULL) 417681a5bbeSBoris Popov return EBADF; 418681a5bbeSBoris Popov vp = (struct vnode*)fp->f_data; 419681a5bbeSBoris Popov if (vp == NULL) 420681a5bbeSBoris Popov return EBADF; 421681a5bbeSBoris Popov dev = vn_todev(vp); 422681a5bbeSBoris Popov if (dev == NODEV) 423681a5bbeSBoris Popov return EBADF; 424681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 425681a5bbeSBoris Popov ssp = sdp->sd_share; 426681a5bbeSBoris Popov if (ssp == NULL) 427681a5bbeSBoris Popov return ENOTCONN; 428681a5bbeSBoris Popov error = smb_share_get(ssp, LK_EXCLUSIVE, scred); 429681a5bbeSBoris Popov if (error) 430681a5bbeSBoris Popov return error; 431681a5bbeSBoris Popov *sspp = ssp; 432681a5bbeSBoris Popov return 0; 433681a5bbeSBoris Popov } 434681a5bbeSBoris Popov 435