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 */ 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> 38681a5bbeSBoris Popov #include <sys/systm.h> 39681a5bbeSBoris Popov #include <sys/conf.h> 40681a5bbeSBoris Popov #include <sys/fcntl.h> 41fb919e4dSMark Murray #include <sys/ioccom.h> 42fb919e4dSMark Murray #include <sys/lock.h> 43fb919e4dSMark Murray #include <sys/malloc.h> 44fb919e4dSMark Murray #include <sys/file.h> /* Must come after sys/malloc.h */ 4513438f68SAlfred Perlstein #include <sys/filedesc.h> 46fb919e4dSMark Murray #include <sys/mbuf.h> 47681a5bbeSBoris Popov #include <sys/poll.h> 48fb919e4dSMark Murray #include <sys/proc.h> 49fb919e4dSMark Murray #include <sys/select.h> 50fb919e4dSMark Murray #include <sys/socket.h> 51681a5bbeSBoris Popov #include <sys/socketvar.h> 52681a5bbeSBoris Popov #include <sys/sysctl.h> 53fb919e4dSMark Murray #include <sys/uio.h> 54681a5bbeSBoris Popov #include <sys/vnode.h> 55681a5bbeSBoris Popov 56681a5bbeSBoris Popov #include <net/if.h> 57681a5bbeSBoris Popov 58681a5bbeSBoris Popov #include <netsmb/smb.h> 59681a5bbeSBoris Popov #include <netsmb/smb_conn.h> 60681a5bbeSBoris Popov #include <netsmb/smb_subr.h> 61681a5bbeSBoris Popov #include <netsmb/smb_dev.h> 62681a5bbeSBoris Popov 63681a5bbeSBoris Popov #define SMB_GETDEV(dev) ((struct smb_dev*)(dev)->si_drv1) 64681a5bbeSBoris Popov #define SMB_CHECKMINOR(dev) do { \ 65681a5bbeSBoris Popov sdp = SMB_GETDEV(dev); \ 66681a5bbeSBoris Popov if (sdp == NULL) return ENXIO; \ 67681a5bbeSBoris Popov } while(0) 68681a5bbeSBoris Popov 69681a5bbeSBoris Popov static d_open_t nsmb_dev_open; 70681a5bbeSBoris Popov static d_close_t nsmb_dev_close; 71681a5bbeSBoris Popov static d_ioctl_t nsmb_dev_ioctl; 72681a5bbeSBoris Popov 73c4f02a89SMax Khon MODULE_DEPEND(netsmb, libiconv, 1, 1, 2); 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 = { 907ac40f5fSPoul-Henning Kamp .d_open = nsmb_dev_open, 917ac40f5fSPoul-Henning Kamp .d_close = nsmb_dev_close, 927ac40f5fSPoul-Henning Kamp .d_ioctl = nsmb_dev_ioctl, 937ac40f5fSPoul-Henning Kamp .d_name = NSMB_NAME, 947ac40f5fSPoul-Henning Kamp .d_maj = NSMB_MAJOR, 95681a5bbeSBoris Popov }; 96681a5bbeSBoris Popov 97681a5bbeSBoris Popov static eventhandler_tag nsmb_dev_tag; 98681a5bbeSBoris Popov 99681a5bbeSBoris Popov static void 100681a5bbeSBoris Popov nsmb_dev_clone(void *arg, char *name, int namelen, dev_t *dev) 101681a5bbeSBoris Popov { 102a8c8a6cbSTim J. Robbins int u; 103681a5bbeSBoris Popov 104681a5bbeSBoris Popov if (*dev != NODEV) 105681a5bbeSBoris Popov return; 106a8c8a6cbSTim J. Robbins if (dev_stdclone(name, NULL, NSMB_NAME, &u) != 1) 107681a5bbeSBoris Popov return; 108a8c8a6cbSTim J. Robbins *dev = make_dev(&nsmb_cdevsw, unit2minor(u), 0, 0, 0600, 109a8c8a6cbSTim J. Robbins NSMB_NAME"%d", u); 110681a5bbeSBoris Popov } 111681a5bbeSBoris Popov 112681a5bbeSBoris Popov static int 113fce6fbfaSBoris Popov nsmb_dev_open(dev_t dev, int oflags, int devtype, struct thread *td) 114681a5bbeSBoris Popov { 115681a5bbeSBoris Popov struct smb_dev *sdp; 116a854ed98SJohn Baldwin struct ucred *cred = td->td_ucred; 117681a5bbeSBoris Popov int s; 118681a5bbeSBoris Popov 119681a5bbeSBoris Popov sdp = SMB_GETDEV(dev); 120681a5bbeSBoris Popov if (sdp && (sdp->sd_flags & NSMBFL_OPEN)) 121681a5bbeSBoris Popov return EBUSY; 122681a5bbeSBoris Popov if (sdp == NULL) { 123a163d034SWarner Losh sdp = malloc(sizeof(*sdp), M_NSMBDEV, M_WAITOK); 124681a5bbeSBoris Popov dev->si_drv1 = (void*)sdp; 125681a5bbeSBoris Popov } 126681a5bbeSBoris Popov /* 127681a5bbeSBoris Popov * XXX: this is just crazy - make a device for an already passed device... 128681a5bbeSBoris Popov * someone should take care of it. 129681a5bbeSBoris Popov */ 130681a5bbeSBoris Popov if ((dev->si_flags & SI_NAMED) == 0) 131681a5bbeSBoris Popov make_dev(&nsmb_cdevsw, minor(dev), cred->cr_uid, cred->cr_gid, 0700, 132681a5bbeSBoris Popov NSMB_NAME"%d", dev2unit(dev)); 133681a5bbeSBoris Popov bzero(sdp, sizeof(*sdp)); 134681a5bbeSBoris Popov /* 135681a5bbeSBoris Popov STAILQ_INIT(&sdp->sd_rqlist); 136681a5bbeSBoris Popov STAILQ_INIT(&sdp->sd_rplist); 137681a5bbeSBoris Popov bzero(&sdp->sd_pollinfo, sizeof(struct selinfo)); 138681a5bbeSBoris Popov */ 139681a5bbeSBoris Popov s = splimp(); 140681a5bbeSBoris Popov sdp->sd_level = -1; 141681a5bbeSBoris Popov sdp->sd_flags |= NSMBFL_OPEN; 142681a5bbeSBoris Popov splx(s); 143681a5bbeSBoris Popov return 0; 144681a5bbeSBoris Popov } 145681a5bbeSBoris Popov 146681a5bbeSBoris Popov static int 147fce6fbfaSBoris Popov nsmb_dev_close(dev_t dev, int flag, int fmt, struct thread *td) 148681a5bbeSBoris Popov { 149681a5bbeSBoris Popov struct smb_dev *sdp; 150681a5bbeSBoris Popov struct smb_vc *vcp; 151681a5bbeSBoris Popov struct smb_share *ssp; 152681a5bbeSBoris Popov struct smb_cred scred; 153681a5bbeSBoris Popov int s; 154681a5bbeSBoris Popov 155681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 156681a5bbeSBoris Popov s = splimp(); 157681a5bbeSBoris Popov if ((sdp->sd_flags & NSMBFL_OPEN) == 0) { 158681a5bbeSBoris Popov splx(s); 159681a5bbeSBoris Popov return EBADF; 160681a5bbeSBoris Popov } 161fce6fbfaSBoris Popov smb_makescred(&scred, td, NULL); 162681a5bbeSBoris Popov ssp = sdp->sd_share; 163681a5bbeSBoris Popov if (ssp != NULL) 164681a5bbeSBoris Popov smb_share_rele(ssp, &scred); 165681a5bbeSBoris Popov vcp = sdp->sd_vc; 166681a5bbeSBoris Popov if (vcp != NULL) 167681a5bbeSBoris Popov smb_vc_rele(vcp, &scred); 168681a5bbeSBoris Popov /* 169681a5bbeSBoris Popov smb_flushq(&sdp->sd_rqlist); 170681a5bbeSBoris Popov smb_flushq(&sdp->sd_rplist); 171681a5bbeSBoris Popov */ 172681a5bbeSBoris Popov dev->si_drv1 = NULL; 173681a5bbeSBoris Popov free(sdp, M_NSMBDEV); 174681a5bbeSBoris Popov destroy_dev(dev); 175681a5bbeSBoris Popov splx(s); 176681a5bbeSBoris Popov return 0; 177681a5bbeSBoris Popov } 178681a5bbeSBoris Popov 179681a5bbeSBoris Popov 180681a5bbeSBoris Popov static int 181fce6fbfaSBoris Popov nsmb_dev_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 182681a5bbeSBoris Popov { 183681a5bbeSBoris Popov struct smb_dev *sdp; 184681a5bbeSBoris Popov struct smb_vc *vcp; 185681a5bbeSBoris Popov struct smb_share *ssp; 186681a5bbeSBoris Popov struct smb_cred scred; 187681a5bbeSBoris Popov int error = 0; 188681a5bbeSBoris Popov 189681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 190681a5bbeSBoris Popov if ((sdp->sd_flags & NSMBFL_OPEN) == 0) 191681a5bbeSBoris Popov return EBADF; 192681a5bbeSBoris Popov 193fce6fbfaSBoris Popov smb_makescred(&scred, td, NULL); 194681a5bbeSBoris Popov switch (cmd) { 195681a5bbeSBoris Popov case SMBIOC_OPENSESSION: 196681a5bbeSBoris Popov if (sdp->sd_vc) 197681a5bbeSBoris Popov return EISCONN; 198681a5bbeSBoris Popov error = smb_usr_opensession((struct smbioc_ossn*)data, 199681a5bbeSBoris Popov &scred, &vcp); 200681a5bbeSBoris Popov if (error) 201681a5bbeSBoris Popov break; 202681a5bbeSBoris Popov sdp->sd_vc = vcp; 203fce6fbfaSBoris Popov smb_vc_unlock(vcp, 0, td); 204681a5bbeSBoris Popov sdp->sd_level = SMBL_VC; 205681a5bbeSBoris Popov break; 206681a5bbeSBoris Popov case SMBIOC_OPENSHARE: 207681a5bbeSBoris Popov if (sdp->sd_share) 208681a5bbeSBoris Popov return EISCONN; 209681a5bbeSBoris Popov if (sdp->sd_vc == NULL) 210681a5bbeSBoris Popov return ENOTCONN; 211681a5bbeSBoris Popov error = smb_usr_openshare(sdp->sd_vc, 212681a5bbeSBoris Popov (struct smbioc_oshare*)data, &scred, &ssp); 213681a5bbeSBoris Popov if (error) 214681a5bbeSBoris Popov break; 215681a5bbeSBoris Popov sdp->sd_share = ssp; 216fce6fbfaSBoris Popov smb_share_unlock(ssp, 0, td); 217681a5bbeSBoris Popov sdp->sd_level = SMBL_SHARE; 218681a5bbeSBoris Popov break; 219681a5bbeSBoris Popov case SMBIOC_REQUEST: 220681a5bbeSBoris Popov if (sdp->sd_share == NULL) 221681a5bbeSBoris Popov return ENOTCONN; 222681a5bbeSBoris Popov error = smb_usr_simplerequest(sdp->sd_share, 223681a5bbeSBoris Popov (struct smbioc_rq*)data, &scred); 224681a5bbeSBoris Popov break; 225681a5bbeSBoris Popov case SMBIOC_T2RQ: 226681a5bbeSBoris Popov if (sdp->sd_share == NULL) 227681a5bbeSBoris Popov return ENOTCONN; 228681a5bbeSBoris Popov error = smb_usr_t2request(sdp->sd_share, 229681a5bbeSBoris Popov (struct smbioc_t2rq*)data, &scred); 230681a5bbeSBoris Popov break; 231681a5bbeSBoris Popov case SMBIOC_SETFLAGS: { 232681a5bbeSBoris Popov struct smbioc_flags *fl = (struct smbioc_flags*)data; 233681a5bbeSBoris Popov int on; 234681a5bbeSBoris Popov 235681a5bbeSBoris Popov if (fl->ioc_level == SMBL_VC) { 236681a5bbeSBoris Popov if (fl->ioc_mask & SMBV_PERMANENT) { 237681a5bbeSBoris Popov on = fl->ioc_flags & SMBV_PERMANENT; 238681a5bbeSBoris Popov if ((vcp = sdp->sd_vc) == NULL) 239681a5bbeSBoris Popov return ENOTCONN; 240681a5bbeSBoris Popov error = smb_vc_get(vcp, LK_EXCLUSIVE, &scred); 241681a5bbeSBoris Popov if (error) 242681a5bbeSBoris Popov break; 243681a5bbeSBoris Popov if (on && (vcp->obj.co_flags & SMBV_PERMANENT) == 0) { 244681a5bbeSBoris Popov vcp->obj.co_flags |= SMBV_PERMANENT; 245fce6fbfaSBoris Popov smb_vc_ref(vcp); 246681a5bbeSBoris Popov } else if (!on && (vcp->obj.co_flags & SMBV_PERMANENT)) { 247681a5bbeSBoris Popov vcp->obj.co_flags &= ~SMBV_PERMANENT; 248681a5bbeSBoris Popov smb_vc_rele(vcp, &scred); 249681a5bbeSBoris Popov } 250681a5bbeSBoris Popov smb_vc_put(vcp, &scred); 251681a5bbeSBoris Popov } else 252681a5bbeSBoris Popov error = EINVAL; 253681a5bbeSBoris Popov } else if (fl->ioc_level == SMBL_SHARE) { 254681a5bbeSBoris Popov if (fl->ioc_mask & SMBS_PERMANENT) { 255681a5bbeSBoris Popov on = fl->ioc_flags & SMBS_PERMANENT; 256681a5bbeSBoris Popov if ((ssp = sdp->sd_share) == NULL) 257681a5bbeSBoris Popov return ENOTCONN; 258681a5bbeSBoris Popov error = smb_share_get(ssp, LK_EXCLUSIVE, &scred); 259681a5bbeSBoris Popov if (error) 260681a5bbeSBoris Popov break; 261681a5bbeSBoris Popov if (on && (ssp->obj.co_flags & SMBS_PERMANENT) == 0) { 262681a5bbeSBoris Popov ssp->obj.co_flags |= SMBS_PERMANENT; 263fce6fbfaSBoris Popov smb_share_ref(ssp); 264681a5bbeSBoris Popov } else if (!on && (ssp->obj.co_flags & SMBS_PERMANENT)) { 265681a5bbeSBoris Popov ssp->obj.co_flags &= ~SMBS_PERMANENT; 266681a5bbeSBoris Popov smb_share_rele(ssp, &scred); 267681a5bbeSBoris Popov } 268681a5bbeSBoris Popov smb_share_put(ssp, &scred); 269681a5bbeSBoris Popov } else 270681a5bbeSBoris Popov error = EINVAL; 271681a5bbeSBoris Popov break; 272681a5bbeSBoris Popov } else 273681a5bbeSBoris Popov error = EINVAL; 274681a5bbeSBoris Popov break; 275681a5bbeSBoris Popov } 276681a5bbeSBoris Popov case SMBIOC_LOOKUP: 277681a5bbeSBoris Popov if (sdp->sd_vc || sdp->sd_share) 278681a5bbeSBoris Popov return EISCONN; 279681a5bbeSBoris Popov vcp = NULL; 280681a5bbeSBoris Popov ssp = NULL; 281681a5bbeSBoris Popov error = smb_usr_lookup((struct smbioc_lookup*)data, &scred, &vcp, &ssp); 282681a5bbeSBoris Popov if (error) 283681a5bbeSBoris Popov break; 284681a5bbeSBoris Popov if (vcp) { 285681a5bbeSBoris Popov sdp->sd_vc = vcp; 286fce6fbfaSBoris Popov smb_vc_unlock(vcp, 0, td); 287681a5bbeSBoris Popov sdp->sd_level = SMBL_VC; 288681a5bbeSBoris Popov } 289681a5bbeSBoris Popov if (ssp) { 290681a5bbeSBoris Popov sdp->sd_share = ssp; 291fce6fbfaSBoris Popov smb_share_unlock(ssp, 0, td); 292681a5bbeSBoris Popov sdp->sd_level = SMBL_SHARE; 293681a5bbeSBoris Popov } 294681a5bbeSBoris Popov break; 295681a5bbeSBoris Popov case SMBIOC_READ: case SMBIOC_WRITE: { 296681a5bbeSBoris Popov struct smbioc_rw *rwrq = (struct smbioc_rw*)data; 297681a5bbeSBoris Popov struct uio auio; 298681a5bbeSBoris Popov struct iovec iov; 299681a5bbeSBoris Popov 300681a5bbeSBoris Popov if ((ssp = sdp->sd_share) == NULL) 301681a5bbeSBoris Popov return ENOTCONN; 302681a5bbeSBoris Popov iov.iov_base = rwrq->ioc_base; 303681a5bbeSBoris Popov iov.iov_len = rwrq->ioc_cnt; 304681a5bbeSBoris Popov auio.uio_iov = &iov; 305681a5bbeSBoris Popov auio.uio_iovcnt = 1; 306681a5bbeSBoris Popov auio.uio_offset = rwrq->ioc_offset; 307681a5bbeSBoris Popov auio.uio_resid = rwrq->ioc_cnt; 308681a5bbeSBoris Popov auio.uio_segflg = UIO_USERSPACE; 309681a5bbeSBoris Popov auio.uio_rw = (cmd == SMBIOC_READ) ? UIO_READ : UIO_WRITE; 310fce6fbfaSBoris Popov auio.uio_td = td; 311681a5bbeSBoris Popov if (cmd == SMBIOC_READ) 312681a5bbeSBoris Popov error = smb_read(ssp, rwrq->ioc_fh, &auio, &scred); 313681a5bbeSBoris Popov else 314681a5bbeSBoris Popov error = smb_write(ssp, rwrq->ioc_fh, &auio, &scred); 315681a5bbeSBoris Popov rwrq->ioc_cnt -= auio.uio_resid; 316681a5bbeSBoris Popov break; 317681a5bbeSBoris Popov } 318681a5bbeSBoris Popov default: 319681a5bbeSBoris Popov error = ENODEV; 320681a5bbeSBoris Popov } 321681a5bbeSBoris Popov return error; 322681a5bbeSBoris Popov } 323681a5bbeSBoris Popov 324681a5bbeSBoris Popov static int 325681a5bbeSBoris Popov nsmb_dev_load(module_t mod, int cmd, void *arg) 326681a5bbeSBoris Popov { 327681a5bbeSBoris Popov int error = 0; 328681a5bbeSBoris Popov 329681a5bbeSBoris Popov switch (cmd) { 330681a5bbeSBoris Popov case MOD_LOAD: 331681a5bbeSBoris Popov error = smb_sm_init(); 332681a5bbeSBoris Popov if (error) 333681a5bbeSBoris Popov break; 334681a5bbeSBoris Popov error = smb_iod_init(); 335681a5bbeSBoris Popov if (error) { 336681a5bbeSBoris Popov smb_sm_done(); 337681a5bbeSBoris Popov break; 338681a5bbeSBoris Popov } 339681a5bbeSBoris Popov nsmb_dev_tag = EVENTHANDLER_REGISTER(dev_clone, nsmb_dev_clone, 0, 1000); 340681a5bbeSBoris Popov printf("netsmb_dev: loaded\n"); 341681a5bbeSBoris Popov break; 342681a5bbeSBoris Popov case MOD_UNLOAD: 343681a5bbeSBoris Popov smb_iod_done(); 344681a5bbeSBoris Popov error = smb_sm_done(); 345681a5bbeSBoris Popov error = 0; 346681a5bbeSBoris Popov EVENTHANDLER_DEREGISTER(dev_clone, nsmb_dev_tag); 347681a5bbeSBoris Popov printf("netsmb_dev: unloaded\n"); 348681a5bbeSBoris Popov break; 349681a5bbeSBoris Popov default: 350681a5bbeSBoris Popov error = EINVAL; 351681a5bbeSBoris Popov break; 352681a5bbeSBoris Popov } 353681a5bbeSBoris Popov return error; 354681a5bbeSBoris Popov } 355681a5bbeSBoris Popov 356681a5bbeSBoris Popov DEV_MODULE (dev_netsmb, nsmb_dev_load, 0); 357681a5bbeSBoris Popov 358681a5bbeSBoris Popov /* 359681a5bbeSBoris Popov * Convert a file descriptor to appropriate smb_share pointer 360681a5bbeSBoris Popov */ 361681a5bbeSBoris Popov static struct file* 362681a5bbeSBoris Popov nsmb_getfp(struct filedesc* fdp, int fd, int flag) 363681a5bbeSBoris Popov { 364681a5bbeSBoris Popov struct file* fp; 365681a5bbeSBoris Popov 366426da3bcSAlfred Perlstein FILEDESC_LOCK(fdp); 367681a5bbeSBoris Popov if (((u_int)fd) >= fdp->fd_nfiles || 368681a5bbeSBoris Popov (fp = fdp->fd_ofiles[fd]) == NULL || 369426da3bcSAlfred Perlstein (fp->f_flag & flag) == 0) { 370426da3bcSAlfred Perlstein FILEDESC_UNLOCK(fdp); 371681a5bbeSBoris Popov return (NULL); 372426da3bcSAlfred Perlstein } 373426da3bcSAlfred Perlstein fhold(fp); 374426da3bcSAlfred Perlstein FILEDESC_UNLOCK(fdp); 375681a5bbeSBoris Popov return (fp); 376681a5bbeSBoris Popov } 377681a5bbeSBoris Popov 378681a5bbeSBoris Popov int 379681a5bbeSBoris Popov smb_dev2share(int fd, int mode, struct smb_cred *scred, 380681a5bbeSBoris Popov struct smb_share **sspp) 381681a5bbeSBoris Popov { 382681a5bbeSBoris Popov struct file *fp; 383681a5bbeSBoris Popov struct vnode *vp; 384681a5bbeSBoris Popov struct smb_dev *sdp; 385681a5bbeSBoris Popov struct smb_share *ssp; 386681a5bbeSBoris Popov dev_t dev; 387681a5bbeSBoris Popov int error; 388681a5bbeSBoris Popov 389fce6fbfaSBoris Popov fp = nsmb_getfp(scred->scr_td->td_proc->p_fd, fd, FREAD | FWRITE); 390fce6fbfaSBoris Popov if (fp == NULL) 391681a5bbeSBoris Popov return EBADF; 3923b6d9652SPoul-Henning Kamp vp = fp->f_vnode; 393426da3bcSAlfred Perlstein if (vp == NULL) { 394426da3bcSAlfred Perlstein fdrop(fp, curthread); 395681a5bbeSBoris Popov return EBADF; 396426da3bcSAlfred Perlstein } 397681a5bbeSBoris Popov dev = vn_todev(vp); 398426da3bcSAlfred Perlstein if (dev == NODEV) { 399426da3bcSAlfred Perlstein fdrop(fp, curthread); 400681a5bbeSBoris Popov return EBADF; 401426da3bcSAlfred Perlstein } 402681a5bbeSBoris Popov SMB_CHECKMINOR(dev); 403681a5bbeSBoris Popov ssp = sdp->sd_share; 404426da3bcSAlfred Perlstein if (ssp == NULL) { 405426da3bcSAlfred Perlstein fdrop(fp, curthread); 406681a5bbeSBoris Popov return ENOTCONN; 407426da3bcSAlfred Perlstein } 408681a5bbeSBoris Popov error = smb_share_get(ssp, LK_EXCLUSIVE, scred); 409426da3bcSAlfred Perlstein if (error == 0) 410681a5bbeSBoris Popov *sspp = ssp; 411426da3bcSAlfred Perlstein fdrop(fp, curthread); 412426da3bcSAlfred Perlstein return error; 413681a5bbeSBoris Popov } 414681a5bbeSBoris Popov 415