1 /* 2 * Copyright (c) 2000-2001 Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 19 * 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 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/namei.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/bio.h> 40 #include <sys/buf.h> 41 #include <sys/fcntl.h> 42 #include <sys/mount.h> 43 #include <sys/unistd.h> 44 #include <sys/vnode.h> 45 #include <sys/lockf.h> 46 47 #include <machine/limits.h> 48 49 #include <vm/vm.h> 50 #include <vm/vm_extern.h> 51 52 53 #include <netsmb/smb.h> 54 #include <netsmb/smb_conn.h> 55 #include <netsmb/smb_subr.h> 56 57 #include <fs/smbfs/smbfs.h> 58 #include <fs/smbfs/smbfs_node.h> 59 #include <fs/smbfs/smbfs_subr.h> 60 61 /* 62 * Prototypes for SMBFS vnode operations 63 */ 64 static int smbfs_create(struct vop_create_args *); 65 static int smbfs_mknod(struct vop_mknod_args *); 66 static int smbfs_open(struct vop_open_args *); 67 static int smbfs_close(struct vop_close_args *); 68 static int smbfs_access(struct vop_access_args *); 69 static int smbfs_getattr(struct vop_getattr_args *); 70 static int smbfs_setattr(struct vop_setattr_args *); 71 static int smbfs_read(struct vop_read_args *); 72 static int smbfs_write(struct vop_write_args *); 73 static int smbfs_fsync(struct vop_fsync_args *); 74 static int smbfs_remove(struct vop_remove_args *); 75 static int smbfs_link(struct vop_link_args *); 76 static int smbfs_lookup(struct vop_lookup_args *); 77 static int smbfs_rename(struct vop_rename_args *); 78 static int smbfs_mkdir(struct vop_mkdir_args *); 79 static int smbfs_rmdir(struct vop_rmdir_args *); 80 static int smbfs_symlink(struct vop_symlink_args *); 81 static int smbfs_readdir(struct vop_readdir_args *); 82 static int smbfs_strategy(struct vop_strategy_args *); 83 static int smbfs_print(struct vop_print_args *); 84 static int smbfs_pathconf(struct vop_pathconf_args *ap); 85 static int smbfs_advlock(struct vop_advlock_args *); 86 static int smbfs_getextattr(struct vop_getextattr_args *ap); 87 88 vop_t **smbfs_vnodeop_p; 89 static struct vnodeopv_entry_desc smbfs_vnodeop_entries[] = { 90 { &vop_default_desc, (vop_t *) vop_defaultop }, 91 { &vop_access_desc, (vop_t *) smbfs_access }, 92 { &vop_advlock_desc, (vop_t *) smbfs_advlock }, 93 { &vop_close_desc, (vop_t *) smbfs_close }, 94 { &vop_create_desc, (vop_t *) smbfs_create }, 95 { &vop_fsync_desc, (vop_t *) smbfs_fsync }, 96 { &vop_getattr_desc, (vop_t *) smbfs_getattr }, 97 { &vop_getpages_desc, (vop_t *) smbfs_getpages }, 98 { &vop_inactive_desc, (vop_t *) smbfs_inactive }, 99 { &vop_ioctl_desc, (vop_t *) smbfs_ioctl }, 100 { &vop_link_desc, (vop_t *) smbfs_link }, 101 { &vop_lookup_desc, (vop_t *) smbfs_lookup }, 102 { &vop_mkdir_desc, (vop_t *) smbfs_mkdir }, 103 { &vop_mknod_desc, (vop_t *) smbfs_mknod }, 104 { &vop_open_desc, (vop_t *) smbfs_open }, 105 { &vop_pathconf_desc, (vop_t *) smbfs_pathconf }, 106 { &vop_print_desc, (vop_t *) smbfs_print }, 107 { &vop_putpages_desc, (vop_t *) smbfs_putpages }, 108 { &vop_read_desc, (vop_t *) smbfs_read }, 109 { &vop_readdir_desc, (vop_t *) smbfs_readdir }, 110 { &vop_reclaim_desc, (vop_t *) smbfs_reclaim }, 111 { &vop_remove_desc, (vop_t *) smbfs_remove }, 112 { &vop_rename_desc, (vop_t *) smbfs_rename }, 113 { &vop_rmdir_desc, (vop_t *) smbfs_rmdir }, 114 { &vop_setattr_desc, (vop_t *) smbfs_setattr }, 115 { &vop_strategy_desc, (vop_t *) smbfs_strategy }, 116 { &vop_symlink_desc, (vop_t *) smbfs_symlink }, 117 { &vop_write_desc, (vop_t *) smbfs_write }, 118 { &vop_getextattr_desc, (vop_t *) smbfs_getextattr }, 119 /* { &vop_setextattr_desc, (vop_t *) smbfs_setextattr },*/ 120 { NULL, NULL } 121 }; 122 123 static struct vnodeopv_desc smbfs_vnodeop_opv_desc = 124 { &smbfs_vnodeop_p, smbfs_vnodeop_entries }; 125 126 VNODEOP_SET(smbfs_vnodeop_opv_desc); 127 128 static int 129 smbfs_access(ap) 130 struct vop_access_args /* { 131 struct vnode *a_vp; 132 int a_mode; 133 struct ucred *a_cred; 134 struct thread *a_td; 135 } */ *ap; 136 { 137 struct vnode *vp = ap->a_vp; 138 mode_t mode = ap->a_mode; 139 mode_t mpmode; 140 struct smbmount *smp = VTOSMBFS(vp); 141 142 SMBVDEBUG("\n"); 143 if ((mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) { 144 switch (vp->v_type) { 145 case VREG: case VDIR: case VLNK: 146 return EROFS; 147 default: 148 break; 149 } 150 } 151 mpmode = vp->v_type == VREG ? smp->sm_args.file_mode : 152 smp->sm_args.dir_mode; 153 return (vaccess(vp->v_type, mpmode, smp->sm_args.uid, 154 smp->sm_args.gid, ap->a_mode, ap->a_cred, NULL)); 155 } 156 157 /* ARGSUSED */ 158 static int 159 smbfs_open(ap) 160 struct vop_open_args /* { 161 struct vnode *a_vp; 162 int a_mode; 163 struct ucred *a_cred; 164 struct thread *a_td; 165 } */ *ap; 166 { 167 struct vnode *vp = ap->a_vp; 168 struct smbnode *np = VTOSMB(vp); 169 struct smb_cred scred; 170 struct vattr vattr; 171 int mode = ap->a_mode; 172 int error, accmode; 173 174 SMBVDEBUG("%s,%d\n", np->n_name, np->n_opencount); 175 if (vp->v_type != VREG && vp->v_type != VDIR) { 176 SMBFSERR("open eacces vtype=%d\n", vp->v_type); 177 return EACCES; 178 } 179 if (vp->v_type == VDIR) { 180 np->n_opencount++; 181 return 0; 182 } 183 if (np->n_flag & NMODIFIED) { 184 if ((error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_cred, ap->a_td, 1)) == EINTR) 185 return error; 186 smbfs_attr_cacheremove(vp); 187 error = VOP_GETATTR(vp, &vattr, ap->a_cred, ap->a_td); 188 if (error) 189 return error; 190 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec; 191 } else { 192 error = VOP_GETATTR(vp, &vattr, ap->a_cred, ap->a_td); 193 if (error) 194 return error; 195 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) { 196 error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_cred, ap->a_td, 1); 197 if (error == EINTR) 198 return error; 199 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec; 200 } 201 } 202 if (np->n_opencount) { 203 np->n_opencount++; 204 return 0; 205 } 206 /* 207 * Use DENYNONE to give unixy semantics of permitting 208 * everything not forbidden by permissions. Ie denial 209 * is up to server with clients/openers needing to use 210 * advisory locks for further control. 211 */ 212 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD; 213 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) 214 accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW; 215 smb_makescred(&scred, ap->a_td, ap->a_cred); 216 error = smbfs_smb_open(np, accmode, &scred); 217 if (error) { 218 if (mode & FWRITE) 219 return EACCES; 220 else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { 221 accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD; 222 error = smbfs_smb_open(np, accmode, &scred); 223 } 224 } 225 if (!error) { 226 np->n_opencount++; 227 } 228 smbfs_attr_cacheremove(vp); 229 return error; 230 } 231 232 static int 233 smbfs_closel(struct vop_close_args *ap) 234 { 235 struct vnode *vp = ap->a_vp; 236 struct smbnode *np = VTOSMB(vp); 237 struct thread *td = ap->a_td; 238 struct smb_cred scred; 239 struct vattr vattr; 240 int error; 241 242 SMBVDEBUG("name=%s, pid=%d, c=%d\n", np->n_name, td->td_proc->p_pid, 243 np->n_opencount); 244 245 smb_makescred(&scred, td, ap->a_cred); 246 247 if (np->n_opencount == 0) { 248 if (vp->v_type != VDIR) 249 SMBERROR("Negative opencount\n"); 250 return 0; 251 } 252 np->n_opencount--; 253 if (vp->v_type == VDIR) { 254 if (np->n_opencount) 255 return 0; 256 if (np->n_dirseq) { 257 smbfs_findclose(np->n_dirseq, &scred); 258 np->n_dirseq = NULL; 259 } 260 error = 0; 261 } else { 262 error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_cred, td, 1); 263 if (np->n_opencount) 264 return error; 265 VOP_GETATTR(vp, &vattr, ap->a_cred, td); 266 error = smbfs_smb_close(np->n_mount->sm_share, np->n_fid, 267 &np->n_mtime, &scred); 268 } 269 smbfs_attr_cacheremove(vp); 270 return error; 271 } 272 273 /* 274 * XXX: VOP_CLOSE() usually called without lock held which is suck. Here we 275 * do some heruistic to determine if vnode should be locked. 276 */ 277 static int 278 smbfs_close(ap) 279 struct vop_close_args /* { 280 struct vnodeop_desc *a_desc; 281 struct vnode *a_vp; 282 int a_fflag; 283 struct ucred *a_cred; 284 struct thread *a_td; 285 } */ *ap; 286 { 287 struct vnode *vp = ap->a_vp; 288 struct thread *td = ap->a_td; 289 int error, dolock; 290 291 VI_LOCK(vp); 292 dolock = (vp->v_iflag & VI_XLOCK) == 0; 293 if (dolock) 294 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY | LK_INTERLOCK, td); 295 else 296 VI_UNLOCK(vp); 297 error = smbfs_closel(ap); 298 if (dolock) 299 VOP_UNLOCK(vp, 0, td); 300 return error; 301 } 302 303 /* 304 * smbfs_getattr call from vfs. 305 */ 306 static int 307 smbfs_getattr(ap) 308 struct vop_getattr_args /* { 309 struct vnode *a_vp; 310 struct vattr *a_vap; 311 struct ucred *a_cred; 312 struct thread *a_td; 313 } */ *ap; 314 { 315 struct vnode *vp = ap->a_vp; 316 struct smbnode *np = VTOSMB(vp); 317 struct vattr *va=ap->a_vap; 318 struct smbfattr fattr; 319 struct smb_cred scred; 320 u_int32_t oldsize; 321 int error; 322 323 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0); 324 error = smbfs_attr_cachelookup(vp, va); 325 if (!error) 326 return 0; 327 SMBVDEBUG("not in the cache\n"); 328 smb_makescred(&scred, ap->a_td, ap->a_cred); 329 oldsize = np->n_size; 330 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred); 331 if (error) { 332 SMBVDEBUG("error %d\n", error); 333 return error; 334 } 335 smbfs_attr_cacheenter(vp, &fattr); 336 smbfs_attr_cachelookup(vp, va); 337 if (np->n_opencount) 338 np->n_size = oldsize; 339 return 0; 340 } 341 342 static int 343 smbfs_setattr(ap) 344 struct vop_setattr_args /* { 345 struct vnode *a_vp; 346 struct vattr *a_vap; 347 struct ucred *a_cred; 348 struct thread *a_td; 349 } */ *ap; 350 { 351 struct vnode *vp = ap->a_vp; 352 struct smbnode *np = VTOSMB(vp); 353 struct vattr *vap = ap->a_vap; 354 struct timespec *mtime, *atime; 355 struct smb_cred scred; 356 struct smb_share *ssp = np->n_mount->sm_share; 357 struct smb_vc *vcp = SSTOVC(ssp); 358 u_quad_t tsize = 0; 359 int isreadonly, doclose, error = 0; 360 361 SMBVDEBUG("\n"); 362 if (vap->va_flags != VNOVAL) 363 return EOPNOTSUPP; 364 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY); 365 /* 366 * Disallow write attempts if the filesystem is mounted read-only. 367 */ 368 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL || 369 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL || 370 vap->va_mode != (mode_t)VNOVAL) && isreadonly) 371 return EROFS; 372 smb_makescred(&scred, ap->a_td, ap->a_cred); 373 if (vap->va_size != VNOVAL) { 374 switch (vp->v_type) { 375 case VDIR: 376 return EISDIR; 377 case VREG: 378 break; 379 default: 380 return EINVAL; 381 }; 382 if (isreadonly) 383 return EROFS; 384 doclose = 0; 385 vnode_pager_setsize(vp, (u_long)vap->va_size); 386 tsize = np->n_size; 387 np->n_size = vap->va_size; 388 if (np->n_opencount == 0) { 389 error = smbfs_smb_open(np, 390 SMB_SM_DENYNONE|SMB_AM_OPENRW, 391 &scred); 392 if (error == 0) 393 doclose = 1; 394 } 395 if (error == 0) 396 error = smbfs_smb_setfsize(np, vap->va_size, &scred); 397 if (doclose) 398 smbfs_smb_close(ssp, np->n_fid, NULL, &scred); 399 if (error) { 400 np->n_size = tsize; 401 vnode_pager_setsize(vp, (u_long)tsize); 402 return error; 403 } 404 } 405 mtime = atime = NULL; 406 if (vap->va_mtime.tv_sec != VNOVAL) 407 mtime = &vap->va_mtime; 408 if (vap->va_atime.tv_sec != VNOVAL) 409 atime = &vap->va_atime; 410 if (mtime != atime) { 411 if (ap->a_cred->cr_uid != VTOSMBFS(vp)->sm_args.uid && 412 (error = suser_cred(ap->a_cred, PRISON_ROOT)) && 413 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 || 414 (error = VOP_ACCESS(vp, VWRITE, ap->a_cred, ap->a_td)))) 415 return (error); 416 #if 0 417 if (mtime == NULL) 418 mtime = &np->n_mtime; 419 if (atime == NULL) 420 atime = &np->n_atime; 421 #endif 422 /* 423 * If file is opened, then we can use handle based calls. 424 * If not, use path based ones. 425 */ 426 if (np->n_opencount == 0) { 427 if (vcp->vc_flags & SMBV_WIN95) { 428 error = VOP_OPEN(vp, FWRITE, ap->a_cred, ap->a_td); 429 if (!error) { 430 /* error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred); 431 VOP_GETATTR(vp, &vattr, ap->a_cred, ap->a_td);*/ 432 if (mtime) 433 np->n_mtime = *mtime; 434 VOP_CLOSE(vp, FWRITE, ap->a_cred, ap->a_td); 435 } 436 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) { 437 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred); 438 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/ 439 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) { 440 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred); 441 } else { 442 error = smbfs_smb_setpattr(np, 0, mtime, &scred); 443 } 444 } else { 445 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) { 446 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred); 447 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) { 448 error = smbfs_smb_setftime(np, mtime, atime, &scred); 449 } else { 450 /* 451 * I have no idea how to handle this for core 452 * level servers. The possible solution is to 453 * update mtime after file is closed. 454 */ 455 SMBERROR("can't update times on an opened file\n"); 456 } 457 } 458 } 459 /* 460 * Invalidate attribute cache in case if server doesn't set 461 * required attributes. 462 */ 463 smbfs_attr_cacheremove(vp); /* invalidate cache */ 464 VOP_GETATTR(vp, vap, ap->a_cred, ap->a_td); 465 np->n_mtime.tv_sec = vap->va_mtime.tv_sec; 466 return error; 467 } 468 /* 469 * smbfs_read call. 470 */ 471 static int 472 smbfs_read(ap) 473 struct vop_read_args /* { 474 struct vnode *a_vp; 475 struct uio *a_uio; 476 int a_ioflag; 477 struct ucred *a_cred; 478 } */ *ap; 479 { 480 struct vnode *vp = ap->a_vp; 481 struct uio *uio = ap->a_uio; 482 483 SMBVDEBUG("\n"); 484 if (vp->v_type != VREG && vp->v_type != VDIR) 485 return EPERM; 486 return smbfs_readvnode(vp, uio, ap->a_cred); 487 } 488 489 static int 490 smbfs_write(ap) 491 struct vop_write_args /* { 492 struct vnode *a_vp; 493 struct uio *a_uio; 494 int a_ioflag; 495 struct ucred *a_cred; 496 } */ *ap; 497 { 498 struct vnode *vp = ap->a_vp; 499 struct uio *uio = ap->a_uio; 500 501 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid); 502 if (vp->v_type != VREG) 503 return (EPERM); 504 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag); 505 } 506 /* 507 * smbfs_create call 508 * Create a regular file. On entry the directory to contain the file being 509 * created is locked. We must release before we return. We must also free 510 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or 511 * only if the SAVESTART bit in cn_flags is clear on success. 512 */ 513 static int 514 smbfs_create(ap) 515 struct vop_create_args /* { 516 struct vnode *a_dvp; 517 struct vnode **a_vpp; 518 struct componentname *a_cnp; 519 struct vattr *a_vap; 520 } */ *ap; 521 { 522 struct vnode *dvp = ap->a_dvp; 523 struct vattr *vap = ap->a_vap; 524 struct vnode **vpp=ap->a_vpp; 525 struct componentname *cnp = ap->a_cnp; 526 struct smbnode *dnp = VTOSMB(dvp); 527 struct vnode *vp; 528 struct vattr vattr; 529 struct smbfattr fattr; 530 struct smb_cred scred; 531 char *name = cnp->cn_nameptr; 532 int nmlen = cnp->cn_namelen; 533 int error; 534 535 536 SMBVDEBUG("\n"); 537 *vpp = NULL; 538 if (vap->va_type != VREG) 539 return EOPNOTSUPP; 540 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred, cnp->cn_thread))) 541 return error; 542 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred); 543 544 error = smbfs_smb_create(dnp, name, nmlen, &scred); 545 if (error) 546 return error; 547 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred); 548 if (error) 549 return error; 550 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp); 551 if (error) 552 return error; 553 *vpp = vp; 554 if (cnp->cn_flags & MAKEENTRY) 555 cache_enter(dvp, vp, cnp); 556 return error; 557 } 558 559 static int 560 smbfs_remove(ap) 561 struct vop_remove_args /* { 562 struct vnodeop_desc *a_desc; 563 struct vnode * a_dvp; 564 struct vnode * a_vp; 565 struct componentname * a_cnp; 566 } */ *ap; 567 { 568 struct vnode *vp = ap->a_vp; 569 /* struct vnode *dvp = ap->a_dvp;*/ 570 struct componentname *cnp = ap->a_cnp; 571 struct smbnode *np = VTOSMB(vp); 572 struct smb_cred scred; 573 int error; 574 575 if (vp->v_type == VDIR || np->n_opencount || vrefcnt(vp) != 1) 576 return EPERM; 577 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred); 578 error = smbfs_smb_delete(np, &scred); 579 cache_purge(vp); 580 return error; 581 } 582 583 /* 584 * smbfs_file rename call 585 */ 586 static int 587 smbfs_rename(ap) 588 struct vop_rename_args /* { 589 struct vnode *a_fdvp; 590 struct vnode *a_fvp; 591 struct componentname *a_fcnp; 592 struct vnode *a_tdvp; 593 struct vnode *a_tvp; 594 struct componentname *a_tcnp; 595 } */ *ap; 596 { 597 struct vnode *fvp = ap->a_fvp; 598 struct vnode *tvp = ap->a_tvp; 599 struct vnode *fdvp = ap->a_fdvp; 600 struct vnode *tdvp = ap->a_tdvp; 601 struct componentname *tcnp = ap->a_tcnp; 602 /* struct componentname *fcnp = ap->a_fcnp;*/ 603 struct smb_cred scred; 604 u_int16_t flags = 6; 605 int error=0; 606 607 /* Check for cross-device rename */ 608 if ((fvp->v_mount != tdvp->v_mount) || 609 (tvp && (fvp->v_mount != tvp->v_mount))) { 610 error = EXDEV; 611 goto out; 612 } 613 614 if (tvp && vrefcnt(tvp) > 1) { 615 error = EBUSY; 616 goto out; 617 } 618 flags = 0x10; /* verify all writes */ 619 if (fvp->v_type == VDIR) { 620 flags |= 2; 621 } else if (fvp->v_type == VREG) { 622 flags |= 1; 623 } else { 624 error = EINVAL; 625 goto out; 626 } 627 smb_makescred(&scred, tcnp->cn_thread, tcnp->cn_cred); 628 /* 629 * It seems that Samba doesn't implement SMB_COM_MOVE call... 630 */ 631 #ifdef notnow 632 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) { 633 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp), 634 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred); 635 } else 636 #endif 637 { 638 /* 639 * We have to do the work atomicaly 640 */ 641 if (tvp && tvp != fvp) { 642 error = smbfs_smb_delete(VTOSMB(tvp), &scred); 643 if (error) 644 goto out_cacherem; 645 } 646 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp), 647 tcnp->cn_nameptr, tcnp->cn_namelen, &scred); 648 } 649 650 if (fvp->v_type == VDIR) { 651 if (tvp != NULL && tvp->v_type == VDIR) 652 cache_purge(tdvp); 653 cache_purge(fdvp); 654 } 655 656 out_cacherem: 657 smbfs_attr_cacheremove(fdvp); 658 smbfs_attr_cacheremove(tdvp); 659 out: 660 if (tdvp == tvp) 661 vrele(tdvp); 662 else 663 vput(tdvp); 664 if (tvp) 665 vput(tvp); 666 vrele(fdvp); 667 vrele(fvp); 668 #ifdef possible_mistake 669 vgone(fvp); 670 if (tvp) 671 vgone(tvp); 672 #endif 673 return error; 674 } 675 676 /* 677 * somtime it will come true... 678 */ 679 static int 680 smbfs_link(ap) 681 struct vop_link_args /* { 682 struct vnode *a_tdvp; 683 struct vnode *a_vp; 684 struct componentname *a_cnp; 685 } */ *ap; 686 { 687 return EOPNOTSUPP; 688 } 689 690 /* 691 * smbfs_symlink link create call. 692 * Sometime it will be functional... 693 */ 694 static int 695 smbfs_symlink(ap) 696 struct vop_symlink_args /* { 697 struct vnode *a_dvp; 698 struct vnode **a_vpp; 699 struct componentname *a_cnp; 700 struct vattr *a_vap; 701 char *a_target; 702 } */ *ap; 703 { 704 return EOPNOTSUPP; 705 } 706 707 static int 708 smbfs_mknod(ap) 709 struct vop_mknod_args /* { 710 } */ *ap; 711 { 712 return EOPNOTSUPP; 713 } 714 715 static int 716 smbfs_mkdir(ap) 717 struct vop_mkdir_args /* { 718 struct vnode *a_dvp; 719 struct vnode **a_vpp; 720 struct componentname *a_cnp; 721 struct vattr *a_vap; 722 } */ *ap; 723 { 724 struct vnode *dvp = ap->a_dvp; 725 /* struct vattr *vap = ap->a_vap;*/ 726 struct vnode *vp; 727 struct componentname *cnp = ap->a_cnp; 728 struct smbnode *dnp = VTOSMB(dvp); 729 struct vattr vattr; 730 struct smb_cred scred; 731 struct smbfattr fattr; 732 char *name = cnp->cn_nameptr; 733 int len = cnp->cn_namelen; 734 int error; 735 736 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred, cnp->cn_thread))) { 737 return error; 738 } 739 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) 740 return EEXIST; 741 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred); 742 error = smbfs_smb_mkdir(dnp, name, len, &scred); 743 if (error) 744 return error; 745 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred); 746 if (error) 747 return error; 748 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp); 749 if (error) 750 return error; 751 *ap->a_vpp = vp; 752 return 0; 753 } 754 755 /* 756 * smbfs_remove directory call 757 */ 758 static int 759 smbfs_rmdir(ap) 760 struct vop_rmdir_args /* { 761 struct vnode *a_dvp; 762 struct vnode *a_vp; 763 struct componentname *a_cnp; 764 } */ *ap; 765 { 766 struct vnode *vp = ap->a_vp; 767 struct vnode *dvp = ap->a_dvp; 768 struct componentname *cnp = ap->a_cnp; 769 /* struct smbmount *smp = VTOSMBFS(vp);*/ 770 struct smbnode *dnp = VTOSMB(dvp); 771 struct smbnode *np = VTOSMB(vp); 772 struct smb_cred scred; 773 int error; 774 775 if (dvp == vp) 776 return EINVAL; 777 778 smb_makescred(&scred, cnp->cn_thread, cnp->cn_cred); 779 error = smbfs_smb_rmdir(np, &scred); 780 dnp->n_flag |= NMODIFIED; 781 smbfs_attr_cacheremove(dvp); 782 /* cache_purge(dvp);*/ 783 cache_purge(vp); 784 return error; 785 } 786 787 /* 788 * smbfs_readdir call 789 */ 790 static int 791 smbfs_readdir(ap) 792 struct vop_readdir_args /* { 793 struct vnode *a_vp; 794 struct uio *a_uio; 795 struct ucred *a_cred; 796 int *a_eofflag; 797 u_long *a_cookies; 798 int a_ncookies; 799 } */ *ap; 800 { 801 struct vnode *vp = ap->a_vp; 802 struct uio *uio = ap->a_uio; 803 int error; 804 805 if (vp->v_type != VDIR) 806 return (EPERM); 807 #ifdef notnow 808 if (ap->a_ncookies) { 809 printf("smbfs_readdir: no support for cookies now..."); 810 return (EOPNOTSUPP); 811 } 812 #endif 813 error = smbfs_readvnode(vp, uio, ap->a_cred); 814 return error; 815 } 816 817 /* ARGSUSED */ 818 static int 819 smbfs_fsync(ap) 820 struct vop_fsync_args /* { 821 struct vnodeop_desc *a_desc; 822 struct vnode * a_vp; 823 struct ucred * a_cred; 824 int a_waitfor; 825 struct thread * a_td; 826 } */ *ap; 827 { 828 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/ 829 return (0); 830 } 831 832 static 833 int smbfs_print (ap) 834 struct vop_print_args /* { 835 struct vnode *a_vp; 836 } */ *ap; 837 { 838 struct vnode *vp = ap->a_vp; 839 struct smbnode *np = VTOSMB(vp); 840 841 if (np == NULL) { 842 printf("no smbnode data\n"); 843 return (0); 844 } 845 printf("\tname = %s, parent = %p, opencount = %d\n", np->n_name, 846 np->n_parent ? np->n_parent : NULL, np->n_opencount); 847 return (0); 848 } 849 850 static int 851 smbfs_pathconf (ap) 852 struct vop_pathconf_args /* { 853 struct vnode *vp; 854 int name; 855 register_t *retval; 856 } */ *ap; 857 { 858 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp)); 859 struct smb_vc *vcp = SSTOVC(smp->sm_share); 860 register_t *retval = ap->a_retval; 861 int error = 0; 862 863 switch (ap->a_name) { 864 case _PC_LINK_MAX: 865 *retval = 0; 866 break; 867 case _PC_NAME_MAX: 868 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12; 869 break; 870 case _PC_PATH_MAX: 871 *retval = 800; /* XXX: a correct one ? */ 872 break; 873 default: 874 error = EINVAL; 875 } 876 return error; 877 } 878 879 static int 880 smbfs_strategy (ap) 881 struct vop_strategy_args /* { 882 struct buf *a_bp 883 } */ *ap; 884 { 885 struct buf *bp=ap->a_bp; 886 struct ucred *cr; 887 struct thread *td; 888 int error = 0; 889 890 SMBVDEBUG("\n"); 891 if (bp->b_flags & B_PHYS) 892 panic("smbfs physio"); 893 if (bp->b_flags & B_ASYNC) 894 td = (struct thread *)0; 895 else 896 td = curthread; /* XXX */ 897 if (bp->b_iocmd == BIO_READ) 898 cr = bp->b_rcred; 899 else 900 cr = bp->b_wcred; 901 902 if ((bp->b_flags & B_ASYNC) == 0 ) 903 error = smbfs_doio(bp, cr, td); 904 return error; 905 } 906 907 int 908 smbfs_ioctl(ap) 909 struct vop_ioctl_args /* { 910 struct vnode *a_vp; 911 u_long a_command; 912 caddr_t a_data; 913 int fflag; 914 struct ucred *cred; 915 struct thread *td; 916 } */ *ap; 917 { 918 return ENOTTY; 919 } 920 921 static char smbfs_atl[] = "rhsvda"; 922 static int 923 smbfs_getextattr(struct vop_getextattr_args *ap) 924 /* { 925 IN struct vnode *a_vp; 926 IN char *a_name; 927 INOUT struct uio *a_uio; 928 IN struct ucred *a_cred; 929 IN struct thread *a_td; 930 }; 931 */ 932 { 933 struct vnode *vp = ap->a_vp; 934 struct thread *td = ap->a_td; 935 struct ucred *cred = ap->a_cred; 936 struct uio *uio = ap->a_uio; 937 const char *name = ap->a_name; 938 struct smbnode *np = VTOSMB(vp); 939 struct vattr vattr; 940 char buf[10]; 941 int i, attr, error; 942 943 error = VOP_ACCESS(vp, VREAD, cred, td); 944 if (error) 945 return error; 946 error = VOP_GETATTR(vp, &vattr, cred, td); 947 if (error) 948 return error; 949 if (strcmp(name, "dosattr") == 0) { 950 attr = np->n_dosattr; 951 for (i = 0; i < 6; i++, attr >>= 1) 952 buf[i] = (attr & 1) ? smbfs_atl[i] : '-'; 953 buf[i] = 0; 954 error = uiomove(buf, i, uio); 955 956 } else 957 error = EINVAL; 958 return error; 959 } 960 961 /* 962 * Since we expected to support F_GETLK (and SMB protocol has no such function), 963 * it is necessary to use lf_advlock(). It would be nice if this function had 964 * a callback mechanism because it will help to improve a level of consistency. 965 */ 966 int 967 smbfs_advlock(ap) 968 struct vop_advlock_args /* { 969 struct vnode *a_vp; 970 caddr_t a_id; 971 int a_op; 972 struct flock *a_fl; 973 int a_flags; 974 } */ *ap; 975 { 976 struct vnode *vp = ap->a_vp; 977 struct smbnode *np = VTOSMB(vp); 978 struct flock *fl = ap->a_fl; 979 caddr_t id = (caddr_t)1 /* ap->a_id */; 980 /* int flags = ap->a_flags;*/ 981 struct thread *td = curthread; 982 struct smb_cred scred; 983 u_quad_t size; 984 off_t start, end, oadd; 985 int error, lkop; 986 987 if (vp->v_type == VDIR) { 988 /* 989 * SMB protocol have no support for directory locking. 990 * Although locks can be processed on local machine, I don't 991 * think that this is a good idea, because some programs 992 * can work wrong assuming directory is locked. So, we just 993 * return 'operation not supported 994 */ 995 return EOPNOTSUPP; 996 } 997 size = np->n_size; 998 switch (fl->l_whence) { 999 1000 case SEEK_SET: 1001 case SEEK_CUR: 1002 start = fl->l_start; 1003 break; 1004 1005 case SEEK_END: 1006 if (size > OFF_MAX || 1007 (fl->l_start > 0 && size > OFF_MAX - fl->l_start)) 1008 return EOVERFLOW; 1009 start = size + fl->l_start; 1010 break; 1011 1012 default: 1013 return EINVAL; 1014 } 1015 if (start < 0) 1016 return EINVAL; 1017 if (fl->l_len < 0) { 1018 if (start == 0) 1019 return EINVAL; 1020 end = start - 1; 1021 start += fl->l_len; 1022 if (start < 0) 1023 return EINVAL; 1024 } else if (fl->l_len == 0) 1025 end = -1; 1026 else { 1027 oadd = fl->l_len - 1; 1028 if (oadd > OFF_MAX - start) 1029 return EOVERFLOW; 1030 end = start + oadd; 1031 } 1032 smb_makescred(&scred, td, td->td_ucred); 1033 switch (ap->a_op) { 1034 case F_SETLK: 1035 switch (fl->l_type) { 1036 case F_WRLCK: 1037 lkop = SMB_LOCK_EXCL; 1038 break; 1039 case F_RDLCK: 1040 lkop = SMB_LOCK_SHARED; 1041 break; 1042 case F_UNLCK: 1043 lkop = SMB_LOCK_RELEASE; 1044 break; 1045 default: 1046 return EINVAL; 1047 } 1048 error = lf_advlock(ap, &np->n_lockf, size); 1049 if (error) 1050 break; 1051 lkop = SMB_LOCK_EXCL; 1052 error = smbfs_smb_lock(np, lkop, id, start, end, &scred); 1053 if (error) { 1054 ap->a_op = F_UNLCK; 1055 lf_advlock(ap, &np->n_lockf, size); 1056 } 1057 break; 1058 case F_UNLCK: 1059 lf_advlock(ap, &np->n_lockf, size); 1060 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred); 1061 break; 1062 case F_GETLK: 1063 error = lf_advlock(ap, &np->n_lockf, size); 1064 break; 1065 default: 1066 return EINVAL; 1067 } 1068 return error; 1069 } 1070 1071 static int 1072 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop) 1073 { 1074 static const char *badchars = "*/\\[]:<>=;?"; 1075 static const char *badchars83 = " +|,"; 1076 const char *cp; 1077 int i, error; 1078 1079 if (nameiop == LOOKUP) 1080 return 0; 1081 error = ENOENT; 1082 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) { 1083 /* 1084 * Name should conform 8.3 format 1085 */ 1086 if (nmlen > 12) 1087 return ENAMETOOLONG; 1088 cp = index(name, '.'); 1089 if (cp == NULL) 1090 return error; 1091 if (cp == name || (cp - name) > 8) 1092 return error; 1093 cp = index(cp + 1, '.'); 1094 if (cp != NULL) 1095 return error; 1096 for (cp = name, i = 0; i < nmlen; i++, cp++) 1097 if (index(badchars83, *cp) != NULL) 1098 return error; 1099 } 1100 for (cp = name, i = 0; i < nmlen; i++, cp++) 1101 if (index(badchars, *cp) != NULL) 1102 return error; 1103 return 0; 1104 } 1105 1106 #ifndef PDIRUNLOCK 1107 #define PDIRUNLOCK 0 1108 #endif 1109 1110 /* 1111 * Things go even weird without fixed inode numbers... 1112 */ 1113 int 1114 smbfs_lookup(ap) 1115 struct vop_lookup_args /* { 1116 struct vnodeop_desc *a_desc; 1117 struct vnode *a_dvp; 1118 struct vnode **a_vpp; 1119 struct componentname *a_cnp; 1120 } */ *ap; 1121 { 1122 struct componentname *cnp = ap->a_cnp; 1123 struct thread *td = cnp->cn_thread; 1124 struct vnode *dvp = ap->a_dvp; 1125 struct vnode **vpp = ap->a_vpp; 1126 struct vnode *vp; 1127 struct smbmount *smp; 1128 struct mount *mp = dvp->v_mount; 1129 struct smbnode *dnp; 1130 struct smbfattr fattr, *fap; 1131 struct smb_cred scred; 1132 char *name = cnp->cn_nameptr; 1133 int flags = cnp->cn_flags; 1134 int nameiop = cnp->cn_nameiop; 1135 int nmlen = cnp->cn_namelen; 1136 int lockparent, wantparent, error, islastcn, isdot; 1137 1138 SMBVDEBUG("\n"); 1139 cnp->cn_flags &= ~PDIRUNLOCK; 1140 if (dvp->v_type != VDIR) 1141 return ENOTDIR; 1142 if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) { 1143 SMBFSERR("invalid '..'\n"); 1144 return EIO; 1145 } 1146 #ifdef SMB_VNODE_DEBUG 1147 { 1148 char *cp, c; 1149 1150 cp = name + nmlen; 1151 c = *cp; 1152 *cp = 0; 1153 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name, 1154 VTOSMB(dvp)->n_name); 1155 *cp = c; 1156 } 1157 #endif 1158 islastcn = flags & ISLASTCN; 1159 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP)) 1160 return EROFS; 1161 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0) 1162 return error; 1163 lockparent = flags & LOCKPARENT; 1164 wantparent = flags & (LOCKPARENT|WANTPARENT); 1165 smp = VFSTOSMBFS(mp); 1166 dnp = VTOSMB(dvp); 1167 isdot = (nmlen == 1 && name[0] == '.'); 1168 1169 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop); 1170 1171 if (error) 1172 return ENOENT; 1173 1174 error = cache_lookup(dvp, vpp, cnp); 1175 SMBVDEBUG("cache_lookup returned %d\n", error); 1176 if (error > 0) 1177 return error; 1178 if (error) { /* name was found */ 1179 struct vattr vattr; 1180 int vpid; 1181 1182 vp = *vpp; 1183 mp_fixme("Unlocked v_id access."); 1184 vpid = vp->v_id; 1185 if (dvp == vp) { /* lookup on current */ 1186 vref(vp); 1187 error = 0; 1188 SMBVDEBUG("cached '.'\n"); 1189 } else if (flags & ISDOTDOT) { 1190 VOP_UNLOCK(dvp, 0, td); /* unlock parent */ 1191 cnp->cn_flags |= PDIRUNLOCK; 1192 error = vget(vp, LK_EXCLUSIVE, td); 1193 if (!error && lockparent && islastcn) { 1194 error = vn_lock(dvp, LK_EXCLUSIVE, td); 1195 if (error == 0) 1196 cnp->cn_flags &= ~PDIRUNLOCK; 1197 } 1198 } else { 1199 error = vget(vp, LK_EXCLUSIVE, td); 1200 if (!lockparent || error || !islastcn) { 1201 VOP_UNLOCK(dvp, 0, td); 1202 cnp->cn_flags |= PDIRUNLOCK; 1203 } 1204 } 1205 if (!error) { 1206 if (vpid == vp->v_id) { 1207 if (!VOP_GETATTR(vp, &vattr, cnp->cn_cred, td) 1208 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) { 1209 if (nameiop != LOOKUP && islastcn) 1210 cnp->cn_flags |= SAVENAME; 1211 SMBVDEBUG("use cached vnode\n"); 1212 return (0); 1213 } 1214 cache_purge(vp); 1215 } 1216 vput(vp); 1217 if (lockparent && dvp != vp && islastcn) 1218 VOP_UNLOCK(dvp, 0, td); 1219 } 1220 error = vn_lock(dvp, LK_EXCLUSIVE, td); 1221 *vpp = NULLVP; 1222 if (error) { 1223 cnp->cn_flags |= PDIRUNLOCK; 1224 return (error); 1225 } 1226 cnp->cn_flags &= ~PDIRUNLOCK; 1227 } 1228 /* 1229 * entry is not in the cache or has been expired 1230 */ 1231 error = 0; 1232 *vpp = NULLVP; 1233 smb_makescred(&scred, td, cnp->cn_cred); 1234 fap = &fattr; 1235 if (flags & ISDOTDOT) { 1236 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap, 1237 &scred); 1238 SMBVDEBUG("result of dotdot lookup: %d\n", error); 1239 } else { 1240 fap = &fattr; 1241 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred); 1242 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/ 1243 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error); 1244 } 1245 if (error && error != ENOENT) 1246 return error; 1247 if (error) { /* entry not found */ 1248 /* 1249 * Handle RENAME or CREATE case... 1250 */ 1251 if ((nameiop == CREATE || nameiop == RENAME) && wantparent && islastcn) { 1252 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td); 1253 if (error) 1254 return error; 1255 cnp->cn_flags |= SAVENAME; 1256 if (!lockparent) { 1257 VOP_UNLOCK(dvp, 0, td); 1258 cnp->cn_flags |= PDIRUNLOCK; 1259 } 1260 return (EJUSTRETURN); 1261 } 1262 return ENOENT; 1263 }/* else { 1264 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum); 1265 }*/ 1266 /* 1267 * handle DELETE case ... 1268 */ 1269 if (nameiop == DELETE && islastcn) { /* delete last component */ 1270 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td); 1271 if (error) 1272 return error; 1273 if (isdot) { 1274 VREF(dvp); 1275 *vpp = dvp; 1276 return 0; 1277 } 1278 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp); 1279 if (error) 1280 return error; 1281 *vpp = vp; 1282 cnp->cn_flags |= SAVENAME; 1283 if (!lockparent) { 1284 VOP_UNLOCK(dvp, 0, td); 1285 cnp->cn_flags |= PDIRUNLOCK; 1286 } 1287 return 0; 1288 } 1289 if (nameiop == RENAME && islastcn && wantparent) { 1290 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td); 1291 if (error) 1292 return error; 1293 if (isdot) 1294 return EISDIR; 1295 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp); 1296 if (error) 1297 return error; 1298 *vpp = vp; 1299 cnp->cn_flags |= SAVENAME; 1300 if (!lockparent) { 1301 VOP_UNLOCK(dvp, 0, td); 1302 cnp->cn_flags |= PDIRUNLOCK; 1303 } 1304 return 0; 1305 } 1306 if (flags & ISDOTDOT) { 1307 VOP_UNLOCK(dvp, 0, td); 1308 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp); 1309 if (error) { 1310 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, td); 1311 return error; 1312 } 1313 if (lockparent && islastcn) { 1314 error = vn_lock(dvp, LK_EXCLUSIVE, td); 1315 if (error) { 1316 cnp->cn_flags |= PDIRUNLOCK; 1317 vput(vp); 1318 return error; 1319 } 1320 } 1321 *vpp = vp; 1322 } else if (isdot) { 1323 vref(dvp); 1324 *vpp = dvp; 1325 } else { 1326 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp); 1327 if (error) 1328 return error; 1329 *vpp = vp; 1330 SMBVDEBUG("lookup: getnewvp!\n"); 1331 if (!lockparent || !islastcn) { 1332 VOP_UNLOCK(dvp, 0, td); 1333 cnp->cn_flags |= PDIRUNLOCK; 1334 } 1335 } 1336 if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) { 1337 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/ 1338 cache_enter(dvp, *vpp, cnp); 1339 } 1340 return 0; 1341 } 1342