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: src/sys/fs/smbfs/smbfs_vnops.c,v 1.2.2.8 2003/04/04 08:57:23 tjr Exp $ 33 * $DragonFly: src/sys/vfs/smbfs/smbfs_vnops.c,v 1.16 2004/08/28 19:02:28 dillon Exp $ 34 */ 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/namei.h> 40 #include <sys/fcntl.h> 41 #include <sys/mount.h> 42 #include <sys/unistd.h> 43 #include <sys/vnode.h> 44 #include <sys/lockf.h> 45 46 #include <vm/vm.h> 47 #include <vm/vm_extern.h> 48 #include <vm/vm_zone.h> 49 50 51 #include <netproto/smb/smb.h> 52 #include <netproto/smb/smb_conn.h> 53 #include <netproto/smb/smb_subr.h> 54 55 #include "smbfs.h" 56 #include "smbfs_node.h" 57 #include "smbfs_subr.h" 58 59 #include <sys/buf.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_bmap(struct vop_bmap_args *); 83 static int smbfs_strategy(struct vop_strategy_args *); 84 static int smbfs_print(struct vop_print_args *); 85 static int smbfs_pathconf(struct vop_pathconf_args *ap); 86 static int smbfs_advlock(struct vop_advlock_args *); 87 static int smbfs_getextattr(struct vop_getextattr_args *ap); 88 89 struct vnodeopv_entry_desc smbfs_vnodeop_entries[] = { 90 { &vop_default_desc, vop_defaultop }, 91 { &vop_access_desc, (void *) smbfs_access }, 92 { &vop_advlock_desc, (void *) smbfs_advlock }, 93 { &vop_bmap_desc, (void *) smbfs_bmap }, 94 { &vop_close_desc, (void *) smbfs_close }, 95 { &vop_create_desc, (void *) smbfs_create }, 96 { &vop_fsync_desc, (void *) smbfs_fsync }, 97 { &vop_getattr_desc, (void *) smbfs_getattr }, 98 { &vop_getpages_desc, (void *) smbfs_getpages }, 99 { &vop_inactive_desc, (void *) smbfs_inactive }, 100 { &vop_ioctl_desc, (void *) smbfs_ioctl }, 101 { &vop_islocked_desc, (void *) vop_stdislocked }, 102 { &vop_link_desc, (void *) smbfs_link }, 103 { &vop_lock_desc, (void *) vop_stdlock }, 104 { &vop_lookup_desc, (void *) smbfs_lookup }, 105 { &vop_mkdir_desc, (void *) smbfs_mkdir }, 106 { &vop_mknod_desc, (void *) smbfs_mknod }, 107 { &vop_open_desc, (void *) smbfs_open }, 108 { &vop_pathconf_desc, (void *) smbfs_pathconf }, 109 { &vop_print_desc, (void *) smbfs_print }, 110 { &vop_putpages_desc, (void *) smbfs_putpages }, 111 { &vop_read_desc, (void *) smbfs_read }, 112 { &vop_readdir_desc, (void *) smbfs_readdir }, 113 { &vop_reclaim_desc, (void *) smbfs_reclaim }, 114 { &vop_remove_desc, (void *) smbfs_remove }, 115 { &vop_rename_desc, (void *) smbfs_rename }, 116 { &vop_rmdir_desc, (void *) smbfs_rmdir }, 117 { &vop_setattr_desc, (void *) smbfs_setattr }, 118 { &vop_strategy_desc, (void *) smbfs_strategy }, 119 { &vop_symlink_desc, (void *) smbfs_symlink }, 120 { &vop_unlock_desc, (void *) vop_stdunlock }, 121 { &vop_write_desc, (void *) smbfs_write }, 122 { &vop_getextattr_desc, (void *) smbfs_getextattr }, 123 /* { &vop_setextattr_desc, (void *) smbfs_setextattr },*/ 124 { NULL, NULL } 125 }; 126 127 /* 128 * smbfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred, 129 * struct thread *a_td) 130 */ 131 static int 132 smbfs_access(struct vop_access_args *ap) 133 { 134 struct vnode *vp = ap->a_vp; 135 struct ucred *cred = ap->a_cred; 136 u_int mode = ap->a_mode; 137 struct smbmount *smp = VTOSMBFS(vp); 138 int error = 0; 139 140 SMBVDEBUG("\n"); 141 if ((mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) { 142 switch (vp->v_type) { 143 case VREG: case VDIR: case VLNK: 144 return EROFS; 145 default: 146 break; 147 } 148 } 149 if (cred->cr_uid == 0) 150 return 0; 151 if (cred->cr_uid != smp->sm_args.uid) { 152 mode >>= 3; 153 if (!groupmember(smp->sm_args.gid, cred)) 154 mode >>= 3; 155 } 156 error = (((vp->v_type == VREG) ? smp->sm_args.file_mode : smp->sm_args.dir_mode) & mode) == mode ? 0 : EACCES; 157 return error; 158 } 159 160 /* 161 * smbfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred, 162 * struct thread *a_td) 163 */ 164 /* ARGSUSED */ 165 static int 166 smbfs_open(struct vop_open_args *ap) 167 { 168 struct vnode *vp = ap->a_vp; 169 struct smbnode *np = VTOSMB(vp); 170 struct smb_cred scred; 171 struct vattr vattr; 172 int mode = ap->a_mode; 173 int error, accmode; 174 175 SMBVDEBUG("%s,%d\n", np->n_name, np->n_opencount); 176 if (vp->v_type != VREG && vp->v_type != VDIR) { 177 SMBFSERR("open eacces vtype=%d\n", vp->v_type); 178 return EACCES; 179 } 180 if (vp->v_type == VDIR) { 181 np->n_opencount++; 182 return 0; 183 } 184 if (np->n_flag & NMODIFIED) { 185 if ((error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1)) == EINTR) 186 return error; 187 smbfs_attr_cacheremove(vp); 188 error = VOP_GETATTR(vp, &vattr, ap->a_td); 189 if (error) 190 return error; 191 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec; 192 } else { 193 error = VOP_GETATTR(vp, &vattr, ap->a_td); 194 if (error) 195 return error; 196 if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) { 197 error = smbfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1); 198 if (error == EINTR) 199 return error; 200 np->n_mtime.tv_sec = vattr.va_mtime.tv_sec; 201 } 202 } 203 if (np->n_opencount) { 204 np->n_opencount++; 205 return 0; 206 } 207 accmode = SMB_AM_OPENREAD; 208 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) 209 accmode = SMB_AM_OPENRW; 210 smb_makescred(&scred, ap->a_td, ap->a_cred); 211 error = smbfs_smb_open(np, accmode, &scred); 212 if (error) { 213 if (mode & FWRITE) 214 return EACCES; 215 accmode = SMB_AM_OPENREAD; 216 error = smbfs_smb_open(np, accmode, &scred); 217 } 218 if (!error) { 219 np->n_opencount++; 220 } 221 smbfs_attr_cacheremove(vp); 222 return error; 223 } 224 225 static int 226 smbfs_closel(struct vop_close_args *ap) 227 { 228 struct vnode *vp = ap->a_vp; 229 struct smbnode *np = VTOSMB(vp); 230 struct thread *td = ap->a_td; 231 struct smb_cred scred; 232 struct vattr vattr; 233 int error; 234 235 SMBVDEBUG("name=%s, pid=%d, c=%d\n",np->n_name, p->p_pid, np->n_opencount); 236 237 smb_makescred(&scred, td, proc0.p_ucred); 238 239 if (np->n_opencount == 0) { 240 if (vp->v_type != VDIR) 241 SMBERROR("Negative opencount\n"); 242 return 0; 243 } 244 np->n_opencount--; 245 if (vp->v_type == VDIR) { 246 if (np->n_opencount) 247 return 0; 248 if (np->n_dirseq) { 249 smbfs_findclose(np->n_dirseq, &scred); 250 np->n_dirseq = NULL; 251 } 252 error = 0; 253 } else { 254 error = smbfs_vinvalbuf(vp, V_SAVE, td, 1); 255 if (np->n_opencount) 256 return error; 257 VOP_GETATTR(vp, &vattr, td); 258 error = smbfs_smb_close(np->n_mount->sm_share, np->n_fid, 259 &np->n_mtime, &scred); 260 } 261 smbfs_attr_cacheremove(vp); 262 return error; 263 } 264 265 /* 266 * XXX: VOP_CLOSE() usually called without lock held which is suck. Here we 267 * do some heruistic to determine if vnode should be locked. 268 * 269 * smbfs_close(struct vnodeop_desc *a_desc, struct vnode *a_vp, int a_fflag, 270 * struct ucred *a_cred, struct thread *a_td) 271 */ 272 static int 273 smbfs_close(struct vop_close_args *ap) 274 { 275 struct vnode *vp = ap->a_vp; 276 struct thread *td = ap->a_td; 277 int error, dolock; 278 lwkt_tokref vlock; 279 280 VI_LOCK(&vlock, vp); 281 dolock = (vp->v_flag & VXLOCK) == 0; 282 if (dolock) 283 vn_lock(vp, &vlock, LK_EXCLUSIVE | LK_RETRY | LK_INTERLOCK, td); 284 else 285 VI_UNLOCK(&vlock, vp); 286 error = smbfs_closel(ap); 287 if (dolock) 288 VOP_UNLOCK(vp, NULL, 0, td); 289 return error; 290 } 291 292 /* 293 * smbfs_getattr call from vfs. 294 * 295 * smbfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct thread *a_td) 296 */ 297 static int 298 smbfs_getattr(struct vop_getattr_args *ap) 299 { 300 struct vnode *vp = ap->a_vp; 301 struct smbnode *np = VTOSMB(vp); 302 struct vattr *va=ap->a_vap; 303 struct smbfattr fattr; 304 struct smb_cred scred; 305 u_quad_t oldsize; 306 int error; 307 308 SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_flag & VROOT) != 0); 309 error = smbfs_attr_cachelookup(vp, va); 310 if (!error) 311 return 0; 312 SMBVDEBUG("not in the cache\n"); 313 smb_makescred(&scred, ap->a_td, proc0.p_ucred); 314 oldsize = np->n_size; 315 error = smbfs_smb_lookup(np, NULL, 0, &fattr, &scred); 316 if (error) { 317 SMBVDEBUG("error %d\n", error); 318 return error; 319 } 320 smbfs_attr_cacheenter(vp, &fattr); 321 smbfs_attr_cachelookup(vp, va); 322 if (np->n_opencount) 323 np->n_size = oldsize; 324 return 0; 325 } 326 327 /* 328 * smbfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred, 329 * struct thread *a_td) 330 */ 331 static int 332 smbfs_setattr(struct vop_setattr_args *ap) 333 { 334 struct vnode *vp = ap->a_vp; 335 struct smbnode *np = VTOSMB(vp); 336 struct vattr *vap = ap->a_vap; 337 struct timespec *mtime, *atime; 338 struct smb_cred scred; 339 struct smb_share *ssp = np->n_mount->sm_share; 340 struct smb_vc *vcp = SSTOVC(ssp); 341 u_quad_t tsize = 0; 342 int isreadonly, doclose, error = 0; 343 344 SMBVDEBUG("\n"); 345 if (vap->va_flags != VNOVAL) 346 return EOPNOTSUPP; 347 isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY); 348 /* 349 * Disallow write attempts if the filesystem is mounted read-only. 350 */ 351 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL || 352 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL || 353 vap->va_mode != (mode_t)VNOVAL) && isreadonly) 354 return EROFS; 355 smb_makescred(&scred, ap->a_td, ap->a_cred); 356 if (vap->va_size != VNOVAL) { 357 switch (vp->v_type) { 358 case VDIR: 359 return EISDIR; 360 case VREG: 361 break; 362 default: 363 return EINVAL; 364 }; 365 if (isreadonly) 366 return EROFS; 367 doclose = 0; 368 vnode_pager_setsize(vp, (u_long)vap->va_size); 369 tsize = np->n_size; 370 np->n_size = vap->va_size; 371 if (np->n_opencount == 0) { 372 error = smbfs_smb_open(np, SMB_AM_OPENRW, &scred); 373 if (error == 0) 374 doclose = 1; 375 } 376 if (error == 0) 377 error = smbfs_smb_setfsize(np, vap->va_size, &scred); 378 if (doclose) 379 smbfs_smb_close(ssp, np->n_fid, NULL, &scred); 380 if (error) { 381 np->n_size = tsize; 382 vnode_pager_setsize(vp, (u_long)tsize); 383 return error; 384 } 385 } 386 mtime = atime = NULL; 387 if (vap->va_mtime.tv_sec != VNOVAL) 388 mtime = &vap->va_mtime; 389 if (vap->va_atime.tv_sec != VNOVAL) 390 atime = &vap->va_atime; 391 if (mtime != atime) { 392 if (ap->a_cred->cr_uid != VTOSMBFS(vp)->sm_args.uid && 393 (error = suser_cred(ap->a_cred, PRISON_ROOT)) && 394 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 || 395 (error = VOP_ACCESS(vp, VWRITE, ap->a_cred, ap->a_td)))) 396 return (error); 397 #if 0 398 if (mtime == NULL) 399 mtime = &np->n_mtime; 400 if (atime == NULL) 401 atime = &np->n_atime; 402 #endif 403 /* 404 * If file is opened, then we can use handle based calls. 405 * If not, use path based ones. 406 */ 407 if (np->n_opencount == 0) { 408 if (vcp->vc_flags & SMBV_WIN95) { 409 error = VOP_OPEN(vp, FWRITE, ap->a_cred, ap->a_td); 410 if (!error) { 411 /* error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred); 412 VOP_GETATTR(vp, &vattr, ap->a_td);*/ 413 if (mtime) 414 np->n_mtime = *mtime; 415 VOP_CLOSE(vp, FWRITE, ap->a_td); 416 } 417 } else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) { 418 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred); 419 /* error = smbfs_smb_setpattrNT(np, 0, mtime, atime, &scred);*/ 420 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) { 421 error = smbfs_smb_setptime2(np, mtime, atime, 0, &scred); 422 } else { 423 error = smbfs_smb_setpattr(np, 0, mtime, &scred); 424 } 425 } else { 426 if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) { 427 error = smbfs_smb_setfattrNT(np, 0, mtime, atime, &scred); 428 } else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) { 429 error = smbfs_smb_setftime(np, mtime, atime, &scred); 430 } else { 431 /* 432 * I have no idea how to handle this for core 433 * level servers. The possible solution is to 434 * update mtime after file is closed. 435 */ 436 SMBERROR("can't update times on an opened file\n"); 437 } 438 } 439 } 440 /* 441 * Invalidate attribute cache in case if server doesn't set 442 * required attributes. 443 */ 444 smbfs_attr_cacheremove(vp); /* invalidate cache */ 445 VOP_GETATTR(vp, vap, ap->a_td); 446 np->n_mtime.tv_sec = vap->va_mtime.tv_sec; 447 return error; 448 } 449 /* 450 * smbfs_read call. 451 * 452 * smbfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag, 453 * struct ucred *a_cred) 454 */ 455 static int 456 smbfs_read(struct vop_read_args *ap) 457 { 458 struct vnode *vp = ap->a_vp; 459 struct uio *uio = ap->a_uio; 460 461 SMBVDEBUG("\n"); 462 if (vp->v_type != VREG && vp->v_type != VDIR) 463 return EPERM; 464 return smbfs_readvnode(vp, uio, ap->a_cred); 465 } 466 467 /* 468 * smbfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag, 469 * struct ucred *a_cred) 470 */ 471 static int 472 smbfs_write(struct vop_write_args *ap) 473 { 474 struct vnode *vp = ap->a_vp; 475 struct uio *uio = ap->a_uio; 476 477 SMBVDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid); 478 if (vp->v_type != VREG) 479 return (EPERM); 480 return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag); 481 } 482 /* 483 * smbfs_create call 484 * Create a regular file. On entry the directory to contain the file being 485 * created is locked. We must release before we return. We must also free 486 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or 487 * only if the SAVESTART bit in cn_flags is clear on success. 488 * 489 * smbfs_create(struct vnode *a_dvp, struct vnode **a_vpp, 490 * struct componentname *a_cnp, struct vattr *a_vap) 491 */ 492 static int 493 smbfs_create(struct vop_create_args *ap) 494 { 495 struct vnode *dvp = ap->a_dvp; 496 struct vattr *vap = ap->a_vap; 497 struct vnode **vpp=ap->a_vpp; 498 struct componentname *cnp = ap->a_cnp; 499 struct smbnode *dnp = VTOSMB(dvp); 500 struct vnode *vp; 501 struct vattr vattr; 502 struct smbfattr fattr; 503 struct smb_cred scred; 504 char *name = cnp->cn_nameptr; 505 int nmlen = cnp->cn_namelen; 506 int error; 507 508 509 SMBVDEBUG("\n"); 510 *vpp = NULL; 511 if (vap->va_type != VREG) 512 return EOPNOTSUPP; 513 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) 514 return error; 515 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred); 516 517 error = smbfs_smb_create(dnp, name, nmlen, &scred); 518 if (error) 519 return error; 520 error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, &scred); 521 if (error) 522 return error; 523 error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp); 524 if (error) 525 return error; 526 *vpp = vp; 527 if (cnp->cn_flags & CNP_MAKEENTRY) 528 cache_enter(dvp, NCPNULL, vp, cnp); 529 return error; 530 } 531 532 /* 533 * smbfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp, 534 * struct vnode *a_vp, struct componentname *a_cnp) 535 */ 536 static int 537 smbfs_remove(struct vop_remove_args *ap) 538 { 539 struct vnode *vp = ap->a_vp; 540 /* struct vnode *dvp = ap->a_dvp;*/ 541 struct componentname *cnp = ap->a_cnp; 542 struct smbnode *np = VTOSMB(vp); 543 struct smb_cred scred; 544 int error; 545 546 if (vp->v_type == VDIR || np->n_opencount || vp->v_usecount != 1) 547 return EPERM; 548 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred); 549 error = smbfs_smb_delete(np, &scred); 550 cache_purge(vp); 551 return error; 552 } 553 554 /* 555 * smbfs_file rename call 556 * 557 * smbfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp, 558 * struct componentname *a_fcnp, struct vnode *a_tdvp, 559 * struct vnode *a_tvp, struct componentname *a_tcnp) 560 */ 561 static int 562 smbfs_rename(struct vop_rename_args *ap) 563 { 564 struct vnode *fvp = ap->a_fvp; 565 struct vnode *tvp = ap->a_tvp; 566 struct vnode *fdvp = ap->a_fdvp; 567 struct vnode *tdvp = ap->a_tdvp; 568 struct componentname *tcnp = ap->a_tcnp; 569 /* struct componentname *fcnp = ap->a_fcnp;*/ 570 struct smb_cred scred; 571 u_int16_t flags = 6; 572 int error=0; 573 574 /* Check for cross-device rename */ 575 if ((fvp->v_mount != tdvp->v_mount) || 576 (tvp && (fvp->v_mount != tvp->v_mount))) { 577 error = EXDEV; 578 goto out; 579 } 580 581 if (tvp && tvp->v_usecount > 1) { 582 error = EBUSY; 583 goto out; 584 } 585 flags = 0x10; /* verify all writes */ 586 if (fvp->v_type == VDIR) { 587 flags |= 2; 588 } else if (fvp->v_type == VREG) { 589 flags |= 1; 590 } else { 591 error = EINVAL; 592 goto out; 593 } 594 smb_makescred(&scred, tcnp->cn_td, tcnp->cn_cred); 595 /* 596 * It seems that Samba doesn't implement SMB_COM_MOVE call... 597 */ 598 #ifdef notnow 599 if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) { 600 error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp), 601 tcnp->cn_nameptr, tcnp->cn_namelen, flags, &scred); 602 } else 603 #endif 604 { 605 /* 606 * We have to do the work atomicaly 607 */ 608 if (tvp && tvp != fvp) { 609 error = smbfs_smb_delete(VTOSMB(tvp), &scred); 610 if (error) 611 goto out_cacherem; 612 } 613 error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp), 614 tcnp->cn_nameptr, tcnp->cn_namelen, &scred); 615 } 616 617 if (fvp->v_type == VDIR) { 618 if (tvp != NULL && tvp->v_type == VDIR) 619 cache_purge(tdvp); 620 cache_purge(fdvp); 621 } 622 623 out_cacherem: 624 smbfs_attr_cacheremove(fdvp); 625 smbfs_attr_cacheremove(tdvp); 626 out: 627 if (tdvp == tvp) 628 vrele(tdvp); 629 else 630 vput(tdvp); 631 if (tvp) 632 vput(tvp); 633 vrele(fdvp); 634 vrele(fvp); 635 #ifdef possible_mistake 636 vgone(fvp); 637 if (tvp) 638 vgone(tvp); 639 #endif 640 return error; 641 } 642 643 /* 644 * somtime it will come true... 645 * 646 * smbfs_link(struct vnode *a_tdvp, struct vnode *a_vp, 647 * struct componentname *a_cnp) 648 */ 649 static int 650 smbfs_link(struct vop_link_args *ap) 651 { 652 return EOPNOTSUPP; 653 } 654 655 /* 656 * smbfs_symlink link create call. 657 * Sometime it will be functional... 658 * 659 * smbfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp, 660 * struct componentname *a_cnp, struct vattr *a_vap, 661 * char *a_target) 662 */ 663 static int 664 smbfs_symlink(struct vop_symlink_args *ap) 665 { 666 return EOPNOTSUPP; 667 } 668 669 static int 670 smbfs_mknod(struct vop_mknod_args *ap) 671 { 672 return EOPNOTSUPP; 673 } 674 675 /* 676 * smbfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp, 677 * struct componentname *a_cnp, struct vattr *a_vap) 678 */ 679 static int 680 smbfs_mkdir(struct vop_mkdir_args *ap) 681 { 682 struct vnode *dvp = ap->a_dvp; 683 /* struct vattr *vap = ap->a_vap;*/ 684 struct vnode *vp; 685 struct componentname *cnp = ap->a_cnp; 686 struct smbnode *dnp = VTOSMB(dvp); 687 struct vattr vattr; 688 struct smb_cred scred; 689 struct smbfattr fattr; 690 char *name = cnp->cn_nameptr; 691 int len = cnp->cn_namelen; 692 int error; 693 694 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) { 695 return error; 696 } 697 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) 698 return EEXIST; 699 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred); 700 error = smbfs_smb_mkdir(dnp, name, len, &scred); 701 if (error) 702 return error; 703 error = smbfs_smb_lookup(dnp, name, len, &fattr, &scred); 704 if (error) 705 return error; 706 error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp); 707 if (error) 708 return error; 709 *ap->a_vpp = vp; 710 return 0; 711 } 712 713 /* 714 * smbfs_remove directory call 715 * 716 * smbfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp, 717 * struct componentname *a_cnp) 718 */ 719 static int 720 smbfs_rmdir(struct vop_rmdir_args *ap) 721 { 722 struct vnode *vp = ap->a_vp; 723 struct vnode *dvp = ap->a_dvp; 724 struct componentname *cnp = ap->a_cnp; 725 /* struct smbmount *smp = VTOSMBFS(vp);*/ 726 struct smbnode *dnp = VTOSMB(dvp); 727 struct smbnode *np = VTOSMB(vp); 728 struct smb_cred scred; 729 int error; 730 731 if (dvp == vp) 732 return EINVAL; 733 734 smb_makescred(&scred, cnp->cn_td, cnp->cn_cred); 735 error = smbfs_smb_rmdir(np, &scred); 736 dnp->n_flag |= NMODIFIED; 737 smbfs_attr_cacheremove(dvp); 738 /* cache_purge(dvp);*/ 739 cache_purge(vp); 740 return error; 741 } 742 743 /* 744 * smbfs_readdir call 745 * 746 * smbfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred, 747 * int *a_eofflag, u_long *a_cookies, int a_ncookies) 748 */ 749 static int 750 smbfs_readdir(struct vop_readdir_args *ap) 751 { 752 struct vnode *vp = ap->a_vp; 753 struct uio *uio = ap->a_uio; 754 int error; 755 756 if (vp->v_type != VDIR) 757 return (EPERM); 758 #ifdef notnow 759 if (ap->a_ncookies) { 760 printf("smbfs_readdir: no support for cookies now..."); 761 return (EOPNOTSUPP); 762 } 763 #endif 764 error = smbfs_readvnode(vp, uio, ap->a_cred); 765 return error; 766 } 767 768 /* 769 * smbfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp, 770 * struct ucred *a_cred, int a_waitfor, struct thread *a_td) 771 */ 772 /* ARGSUSED */ 773 static int 774 smbfs_fsync(struct vop_fsync_args *ap) 775 { 776 /* return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/ 777 return (0); 778 } 779 780 /* 781 * smbfs_print(struct vnode *a_vp) 782 */ 783 static int 784 smbfs_print(struct vop_print_args *ap) 785 { 786 struct vnode *vp = ap->a_vp; 787 struct smbnode *np = VTOSMB(vp); 788 789 if (np == NULL) { 790 printf("no smbnode data\n"); 791 return (0); 792 } 793 printf("tag VT_SMBFS, name = %s, parent = %p, opencount = %d", 794 np->n_name, np->n_parent ? np->n_parent : NULL, 795 np->n_opencount); 796 lockmgr_printinfo(&vp->v_lock); 797 printf("\n"); 798 return (0); 799 } 800 801 /* 802 * smbfs_pathconf(struct vnode *vp, int name, register_t *retval) 803 */ 804 static int 805 smbfs_pathconf(struct vop_pathconf_args *ap) 806 { 807 struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp)); 808 struct smb_vc *vcp = SSTOVC(smp->sm_share); 809 register_t *retval = ap->a_retval; 810 int error = 0; 811 812 switch (ap->a_name) { 813 case _PC_LINK_MAX: 814 *retval = 0; 815 break; 816 case _PC_NAME_MAX: 817 *retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12; 818 break; 819 case _PC_PATH_MAX: 820 *retval = 800; /* XXX: a correct one ? */ 821 break; 822 default: 823 error = EINVAL; 824 } 825 return error; 826 } 827 828 /* 829 * smbfs_strategy(struct buf *a_bp) 830 */ 831 static int 832 smbfs_strategy(struct vop_strategy_args *ap) 833 { 834 struct buf *bp=ap->a_bp; 835 struct thread *td = NULL; 836 int error = 0; 837 838 SMBVDEBUG("\n"); 839 if (bp->b_flags & B_PHYS) 840 panic("smbfs physio"); 841 if ((bp->b_flags & B_ASYNC) == 0) 842 td = curthread; /* XXX */ 843 844 if ((bp->b_flags & B_ASYNC) == 0 ) 845 error = smbfs_doio(bp, proc0.p_ucred, td); 846 return error; 847 } 848 849 /* 850 * smbfs_bmap(struct vnode *a_vp, daddr_t a_bn, struct vnode **a_vpp, 851 * daddr_t *a_bnp, int *a_runp, int *a_runb) 852 */ 853 static int 854 smbfs_bmap(struct vop_bmap_args *ap) 855 { 856 struct vnode *vp = ap->a_vp; 857 858 if (ap->a_vpp != NULL) 859 *ap->a_vpp = vp; 860 if (ap->a_bnp != NULL) 861 *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize); 862 if (ap->a_runp != NULL) 863 *ap->a_runp = 0; 864 if (ap->a_runb != NULL) 865 *ap->a_runb = 0; 866 return (0); 867 } 868 869 /* 870 * smbfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data, 871 * int fflag, struct ucred *cred, struct proc *p) 872 */ 873 int 874 smbfs_ioctl(struct vop_ioctl_args *ap) 875 { 876 return EINVAL; 877 } 878 879 static char smbfs_atl[] = "rhsvda"; 880 static int 881 smbfs_getextattr(struct vop_getextattr_args *ap) 882 /* { 883 IN struct vnode *a_vp; 884 IN char *a_name; 885 INOUT struct uio *a_uio; 886 IN struct ucred *a_cred; 887 IN struct thread *a_td; 888 }; 889 */ 890 { 891 struct vnode *vp = ap->a_vp; 892 struct thread *td = ap->a_td; 893 struct ucred *cred = ap->a_cred; 894 struct uio *uio = ap->a_uio; 895 const char *name = ap->a_name; 896 struct smbnode *np = VTOSMB(vp); 897 struct vattr vattr; 898 char buf[10]; 899 int i, attr, error; 900 901 error = VOP_ACCESS(vp, VREAD, cred, td); 902 if (error) 903 return error; 904 error = VOP_GETATTR(vp, &vattr, td); 905 if (error) 906 return error; 907 if (strcmp(name, "dosattr") == 0) { 908 attr = np->n_dosattr; 909 for (i = 0; i < 6; i++, attr >>= 1) 910 buf[i] = (attr & 1) ? smbfs_atl[i] : '-'; 911 buf[i] = 0; 912 error = uiomove(buf, i, uio); 913 914 } else 915 error = EINVAL; 916 return error; 917 } 918 919 /* 920 * Since we expected to support F_GETLK (and SMB protocol has no such function), 921 * it is necessary to use lf_advlock(). It would be nice if this function had 922 * a callback mechanism because it will help to improve a level of consistency. 923 * 924 * smbfs_advlock(struct vnode *a_vp, caddr_t a_id, int a_op, 925 * struct flock *a_fl, int a_flags) 926 */ 927 int 928 smbfs_advlock(struct vop_advlock_args *ap) 929 { 930 struct vnode *vp = ap->a_vp; 931 struct smbnode *np = VTOSMB(vp); 932 struct flock *fl = ap->a_fl; 933 caddr_t id = (caddr_t)1 /* ap->a_id */; 934 /* int flags = ap->a_flags;*/ 935 struct thread *td = curthread; /* XXX */ 936 struct smb_cred scred; 937 off_t start, end, size; 938 int error, lkop; 939 940 if (vp->v_type == VDIR) { 941 /* 942 * SMB protocol have no support for directory locking. 943 * Although locks can be processed on local machine, I don't 944 * think that this is a good idea, because some programs 945 * can work wrong assuming directory is locked. So, we just 946 * return 'operation not supported 947 */ 948 return EOPNOTSUPP; 949 } 950 size = np->n_size; 951 switch (fl->l_whence) { 952 case SEEK_SET: 953 case SEEK_CUR: 954 start = fl->l_start; 955 break; 956 case SEEK_END: 957 start = fl->l_start + size; 958 default: 959 return EINVAL; 960 } 961 if (start < 0) 962 return EINVAL; 963 if (fl->l_len == 0) 964 end = -1; 965 else { 966 end = start + fl->l_len - 1; 967 if (end < start) 968 return EINVAL; 969 } 970 smb_makescred(&scred, td, td->td_proc ? td->td_proc->p_ucred : NULL); 971 switch (ap->a_op) { 972 case F_SETLK: 973 switch (fl->l_type) { 974 case F_WRLCK: 975 lkop = SMB_LOCK_EXCL; 976 break; 977 case F_RDLCK: 978 lkop = SMB_LOCK_SHARED; 979 break; 980 case F_UNLCK: 981 lkop = SMB_LOCK_RELEASE; 982 break; 983 default: 984 return EINVAL; 985 } 986 error = lf_advlock(ap, &np->n_lockf, size); 987 if (error) 988 break; 989 lkop = SMB_LOCK_EXCL; 990 error = smbfs_smb_lock(np, lkop, id, start, end, &scred); 991 if (error) { 992 ap->a_op = F_UNLCK; 993 lf_advlock(ap, &np->n_lockf, size); 994 } 995 break; 996 case F_UNLCK: 997 lf_advlock(ap, &np->n_lockf, size); 998 error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, &scred); 999 break; 1000 case F_GETLK: 1001 error = lf_advlock(ap, &np->n_lockf, size); 1002 break; 1003 default: 1004 return EINVAL; 1005 } 1006 return error; 1007 } 1008 1009 static int 1010 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop) 1011 { 1012 static const char *badchars = "*/\[]:<>=;?"; 1013 static const char *badchars83 = " +|,"; 1014 const char *cp; 1015 int i, error; 1016 1017 if (nameiop == NAMEI_LOOKUP) 1018 return 0; 1019 error = ENOENT; 1020 if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) { 1021 /* 1022 * Name should conform 8.3 format 1023 */ 1024 if (nmlen > 12) 1025 return ENAMETOOLONG; 1026 cp = index(name, '.'); 1027 if (cp == NULL) 1028 return error; 1029 if (cp == name || (cp - name) > 8) 1030 return error; 1031 cp = index(cp + 1, '.'); 1032 if (cp != NULL) 1033 return error; 1034 for (cp = name, i = 0; i < nmlen; i++, cp++) 1035 if (index(badchars83, *cp) != NULL) 1036 return error; 1037 } 1038 for (cp = name, i = 0; i < nmlen; i++, cp++) 1039 if (index(badchars, *cp) != NULL) 1040 return error; 1041 return 0; 1042 } 1043 1044 /* 1045 * Things go even weird without fixed inode numbers... 1046 * 1047 * smbfs_lookup(struct vnodeop_desc *a_desc, struct vnode *a_dvp, 1048 * struct vnode **a_vpp, struct componentname *a_cnp) 1049 */ 1050 int 1051 smbfs_lookup(struct vop_lookup_args *ap) 1052 { 1053 struct componentname *cnp = ap->a_cnp; 1054 struct thread *td = cnp->cn_td; 1055 struct vnode *dvp = ap->a_dvp; 1056 struct vnode **vpp = ap->a_vpp; 1057 struct vnode *vp; 1058 struct smbmount *smp; 1059 struct mount *mp = dvp->v_mount; 1060 struct smbnode *dnp; 1061 struct smbfattr fattr, *fap; 1062 struct smb_cred scred; 1063 char *name = cnp->cn_nameptr; 1064 int flags = cnp->cn_flags; 1065 int nameiop = cnp->cn_nameiop; 1066 int nmlen = cnp->cn_namelen; 1067 int lockparent, wantparent, error, islastcn, isdot; 1068 1069 SMBVDEBUG("\n"); 1070 cnp->cn_flags &= ~CNP_PDIRUNLOCK; 1071 if (dvp->v_type != VDIR) 1072 return ENOTDIR; 1073 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) { 1074 SMBFSERR("invalid '..'\n"); 1075 return EIO; 1076 } 1077 #ifdef SMB_VNODE_DEBUG 1078 { 1079 char *cp, c; 1080 1081 cp = name + nmlen; 1082 c = *cp; 1083 *cp = 0; 1084 SMBVDEBUG("%d '%s' in '%s' id=d\n", nameiop, name, 1085 VTOSMB(dvp)->n_name); 1086 *cp = c; 1087 } 1088 #endif 1089 islastcn = flags & CNP_ISLASTCN; 1090 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != NAMEI_LOOKUP)) 1091 return EROFS; 1092 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0) 1093 return error; 1094 lockparent = flags & CNP_LOCKPARENT; 1095 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT); 1096 smp = VFSTOSMBFS(mp); 1097 dnp = VTOSMB(dvp); 1098 isdot = (nmlen == 1 && name[0] == '.'); 1099 1100 error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop); 1101 1102 if (error) 1103 return ENOENT; 1104 1105 error = cache_lookup(dvp, NCPNULL, vpp, NCPPNULL, cnp); 1106 SMBVDEBUG("cache_lookup returned %d\n", error); 1107 if (error > 0) 1108 return error; 1109 if (error) { /* name was found */ 1110 struct vattr vattr; 1111 int vpid; 1112 1113 vp = *vpp; 1114 vpid = vp->v_id; 1115 if (dvp == vp) { /* lookup on current */ 1116 vref(vp); 1117 error = 0; 1118 SMBVDEBUG("cached '.'\n"); 1119 } else if (flags & CNP_ISDOTDOT) { 1120 VOP_UNLOCK(dvp, NULL, 0, td); /* unlock parent */ 1121 cnp->cn_flags |= CNP_PDIRUNLOCK; 1122 error = vget(vp, NULL, LK_EXCLUSIVE, td); 1123 if (!error && lockparent && islastcn) { 1124 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td); 1125 if (error == 0) 1126 cnp->cn_flags &= ~CNP_PDIRUNLOCK; 1127 } 1128 } else { 1129 error = vget(vp, NULL, LK_EXCLUSIVE, td); 1130 if (!lockparent || error || !islastcn) { 1131 VOP_UNLOCK(dvp, NULL, 0, td); 1132 cnp->cn_flags |= CNP_PDIRUNLOCK; 1133 } 1134 } 1135 if (!error) { 1136 if (vpid == vp->v_id) { 1137 if (!VOP_GETATTR(vp, &vattr, td) 1138 /* && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) { 1139 if (nameiop != NAMEI_LOOKUP && islastcn) 1140 cnp->cn_flags |= CNP_SAVENAME; 1141 SMBVDEBUG("use cached vnode\n"); 1142 return (0); 1143 } 1144 cache_purge(vp); 1145 } 1146 vput(vp); 1147 if (lockparent && dvp != vp && islastcn) 1148 VOP_UNLOCK(dvp, NULL, 0, td); 1149 } 1150 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td); 1151 *vpp = NULLVP; 1152 if (error) { 1153 cnp->cn_flags |= CNP_PDIRUNLOCK; 1154 return (error); 1155 } 1156 cnp->cn_flags &= ~CNP_PDIRUNLOCK; 1157 } 1158 /* 1159 * entry is not in the cache or has been expired 1160 */ 1161 error = 0; 1162 *vpp = NULLVP; 1163 smb_makescred(&scred, td, cnp->cn_cred); 1164 fap = &fattr; 1165 if (flags & CNP_ISDOTDOT) { 1166 error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap, 1167 &scred); 1168 SMBVDEBUG("result of dotdot lookup: %d\n", error); 1169 } else { 1170 fap = &fattr; 1171 error = smbfs_smb_lookup(dnp, name, nmlen, fap, &scred); 1172 /* if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.')*/ 1173 SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error); 1174 } 1175 if (error && error != ENOENT) 1176 return error; 1177 if (error) { /* entry not found */ 1178 /* 1179 * Handle RENAME or CREATE case... 1180 */ 1181 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent && islastcn) { 1182 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td); 1183 if (error) 1184 return error; 1185 cnp->cn_flags |= CNP_SAVENAME; 1186 if (!lockparent) { 1187 VOP_UNLOCK(dvp, NULL, 0, td); 1188 cnp->cn_flags |= CNP_PDIRUNLOCK; 1189 } 1190 return (EJUSTRETURN); 1191 } 1192 return ENOENT; 1193 }/* else { 1194 SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum); 1195 }*/ 1196 /* 1197 * handle DELETE case ... 1198 */ 1199 if (nameiop == NAMEI_DELETE && islastcn) { /* delete last component */ 1200 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td); 1201 if (error) 1202 return error; 1203 if (isdot) { 1204 vref(dvp); 1205 *vpp = dvp; 1206 return 0; 1207 } 1208 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp); 1209 if (error) 1210 return error; 1211 *vpp = vp; 1212 cnp->cn_flags |= CNP_SAVENAME; 1213 if (!lockparent) { 1214 VOP_UNLOCK(dvp, NULL, 0, td); 1215 cnp->cn_flags |= CNP_PDIRUNLOCK; 1216 } 1217 return 0; 1218 } 1219 if (nameiop == NAMEI_RENAME && islastcn && wantparent) { 1220 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td); 1221 if (error) 1222 return error; 1223 if (isdot) 1224 return EISDIR; 1225 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp); 1226 if (error) 1227 return error; 1228 *vpp = vp; 1229 cnp->cn_flags |= CNP_SAVENAME; 1230 if (!lockparent) { 1231 VOP_UNLOCK(dvp, NULL, 0, td); 1232 cnp->cn_flags |= CNP_PDIRUNLOCK; 1233 } 1234 return 0; 1235 } 1236 if (flags & CNP_ISDOTDOT) { 1237 VOP_UNLOCK(dvp, NULL, 0, td); 1238 error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp); 1239 if (error) { 1240 vn_lock(dvp, NULL, LK_EXCLUSIVE | LK_RETRY, td); 1241 return error; 1242 } 1243 if (lockparent && islastcn) { 1244 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td); 1245 if (error) { 1246 cnp->cn_flags |= CNP_PDIRUNLOCK; 1247 vput(vp); 1248 return error; 1249 } 1250 } 1251 *vpp = vp; 1252 } else if (isdot) { 1253 vref(dvp); 1254 *vpp = dvp; 1255 } else { 1256 error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp); 1257 if (error) 1258 return error; 1259 *vpp = vp; 1260 SMBVDEBUG("lookup: getnewvp!\n"); 1261 if (!lockparent || !islastcn) { 1262 VOP_UNLOCK(dvp, NULL, 0, td); 1263 cnp->cn_flags |= CNP_PDIRUNLOCK; 1264 } 1265 } 1266 if ((cnp->cn_flags & CNP_MAKEENTRY)/* && !islastcn*/) { 1267 /* VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/ 1268 cache_enter(dvp, NCPNULL, *vpp, cnp); 1269 } 1270 return 0; 1271 } 1272