1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/types.h> 27 #include <sys/stat.h> 28 #include <sys/uio.h> 29 #include <sys/statvfs.h> 30 #include <sys/vnode.h> 31 #include <sys/thread.h> 32 #include <sys/pathname.h> 33 #include <sys/cred.h> 34 #include <sys/extdirent.h> 35 #include <sys/nbmlock.h> 36 #include <sys/share.h> 37 #include <sys/fcntl.h> 38 #include <nfs/lm.h> 39 40 #include <smbsrv/smb_kproto.h> 41 #include <smbsrv/string.h> 42 #include <smbsrv/smb_vops.h> 43 #include <smbsrv/smb_fsops.h> 44 45 /* 46 * CATIA support 47 * 48 * CATIA V4 is a UNIX product and uses characters in filenames that 49 * are considered invalid by Windows. CATIA V5 is available on both 50 * UNIX and Windows. Thus, as CATIA customers migrate from V4 to V5, 51 * some V4 files could become inaccessible to windows clients if the 52 * filename contains the characters that are considered illegal in 53 * Windows. In order to address this issue an optional character 54 * translation is applied to filenames at the smb_vop interface. 55 * 56 * Character Translation Table 57 * ---------------------------------- 58 * Unix-char (v4) | Windows-char (v5) 59 * ---------------------------------- 60 * * | 0x00a4 Currency Sign 61 * | | 0x00a6 Broken Bar 62 * " | 0x00a8 Diaeresis 63 * < | 0x00ab Left-Pointing Double Angle Quotation Mark 64 * > | 0x00bb Right-Pointing Double Angle Quotation Mark 65 * ? | 0x00bf Inverted Question mark 66 * : | 0x00f7 Division Sign 67 * / | 0x00f8 Latin Small Letter o with stroke 68 * \ | 0x00ff Latin Small Letter Y with Diaeresis 69 * 70 * 71 * Two lookup tables are used to perform the character translation: 72 * 73 * smb_catia_v5_lookup - provides the mapping between UNIX ASCII (v4) 74 * characters and equivalent or translated wide characters. 75 * It is indexed by the decimal value of the ASCII character (0-127). 76 * 77 * smb_catia_v4_lookup - provides the mapping between wide characters 78 * in the range from 0x00A4 to 0x00FF and their UNIX (v4) equivalent 79 * (in wide character format). It is indexed by the decimal value of 80 * the wide character (164-255) with an offset of -164. 81 * If this translation produces a filename containing a '/' create, mkdir 82 * or rename (to the '/' name) operations will not be permitted. It is 83 * not valid to create a filename with a '/' in it. However, if such a 84 * file already exists other operations (e.g, lookup, delete, rename) 85 * are permitted on it. 86 */ 87 88 /* number of characters mapped */ 89 #define SMB_CATIA_NUM_MAPS 9 90 91 /* Windows Characters used in special character mapping */ 92 #define SMB_CATIA_WIN_CURRENCY 0x00a4 93 #define SMB_CATIA_WIN_BROKEN_BAR 0x00a6 94 #define SMB_CATIA_WIN_DIAERESIS 0x00a8 95 #define SMB_CATIA_WIN_LEFT_ANGLE 0x00ab 96 #define SMB_CATIA_WIN_RIGHT_ANGLE 0x00bb 97 #define SMB_CATIA_WIN_INVERTED_QUESTION 0x00bf 98 #define SMB_CATIA_WIN_DIVISION 0x00f7 99 #define SMB_CATIA_WIN_LATIN_O 0x00f8 100 #define SMB_CATIA_WIN_LATIN_Y 0x00ff 101 102 #define SMB_CATIA_V4_LOOKUP_LOW SMB_CATIA_WIN_CURRENCY 103 #define SMB_CATIA_V4_LOOKUP_UPPER SMB_CATIA_WIN_LATIN_Y 104 #define SMB_CATIA_V4_LOOKUP_MAX \ 105 (SMB_CATIA_V4_LOOKUP_UPPER - SMB_CATIA_V4_LOOKUP_LOW + 1) 106 #define SMB_CATIA_V5_LOOKUP_MAX 0x0080 107 108 typedef struct smb_catia_map 109 { 110 unsigned char unixchar; /* v4 */ 111 smb_wchar_t winchar; /* v5 */ 112 } smb_catia_map_t; 113 114 smb_catia_map_t catia_maps[SMB_CATIA_NUM_MAPS] = 115 { 116 {'"', SMB_CATIA_WIN_DIAERESIS}, 117 {'*', SMB_CATIA_WIN_CURRENCY}, 118 {':', SMB_CATIA_WIN_DIVISION}, 119 {'<', SMB_CATIA_WIN_LEFT_ANGLE}, 120 {'>', SMB_CATIA_WIN_RIGHT_ANGLE}, 121 {'?', SMB_CATIA_WIN_INVERTED_QUESTION}, 122 {'\\', SMB_CATIA_WIN_LATIN_Y}, 123 {'/', SMB_CATIA_WIN_LATIN_O}, 124 {'|', SMB_CATIA_WIN_BROKEN_BAR} 125 }; 126 127 static smb_wchar_t smb_catia_v5_lookup[SMB_CATIA_V5_LOOKUP_MAX]; 128 static smb_wchar_t smb_catia_v4_lookup[SMB_CATIA_V4_LOOKUP_MAX]; 129 130 static void smb_vop_setup_xvattr(smb_attr_t *smb_attr, xvattr_t *xvattr); 131 static void smb_sa_to_va_mask(uint_t sa_mask, uint_t *va_maskp); 132 static callb_cpr_t *smb_lock_frlock_callback(flk_cb_when_t, void *); 133 static void smb_vop_catia_init(); 134 135 extern sysid_t lm_alloc_sysidt(); 136 137 #define SMB_AT_MAX 16 138 static uint_t smb_attrmap[SMB_AT_MAX] = { 139 0, 140 AT_TYPE, 141 AT_MODE, 142 AT_UID, 143 AT_GID, 144 AT_FSID, 145 AT_NODEID, 146 AT_NLINK, 147 AT_SIZE, 148 AT_ATIME, 149 AT_MTIME, 150 AT_CTIME, 151 AT_RDEV, 152 AT_BLKSIZE, 153 AT_NBLOCKS, 154 AT_SEQ 155 }; 156 157 static boolean_t smb_vop_initialized = B_FALSE; 158 caller_context_t smb_ct; 159 160 /* 161 * smb_vop_init 162 * 163 * This function is not multi-thread safe. The caller must make sure only one 164 * thread makes the call. 165 */ 166 int 167 smb_vop_init(void) 168 { 169 if (smb_vop_initialized) 170 return (0); 171 /* 172 * The caller_context will be used primarily for range locking. 173 * Since the CIFS server is mapping its locks to POSIX locks, 174 * only one pid is used for operations originating from the 175 * CIFS server (to represent CIFS in the VOP_FRLOCK routines). 176 */ 177 smb_ct.cc_sysid = lm_alloc_sysidt(); 178 if (smb_ct.cc_sysid == LM_NOSYSID) 179 return (ENOMEM); 180 181 smb_ct.cc_caller_id = fs_new_caller_id(); 182 smb_ct.cc_pid = IGN_PID; 183 smb_ct.cc_flags = 0; 184 smb_vop_catia_init(); 185 186 smb_vop_initialized = B_TRUE; 187 return (0); 188 } 189 190 /* 191 * smb_vop_fini 192 * 193 * This function is not multi-thread safe. The caller must make sure only one 194 * thread makes the call. 195 */ 196 void 197 smb_vop_fini(void) 198 { 199 if (!smb_vop_initialized) 200 return; 201 202 lm_free_sysidt(smb_ct.cc_sysid); 203 smb_ct.cc_pid = IGN_PID; 204 smb_ct.cc_sysid = LM_NOSYSID; 205 smb_vop_initialized = B_FALSE; 206 } 207 208 /* 209 * The smb_ct will be used primarily for range locking. 210 * Since the CIFS server is mapping its locks to POSIX locks, 211 * only one pid is used for operations originating from the 212 * CIFS server (to represent CIFS in the VOP_FRLOCK routines). 213 */ 214 int 215 smb_vop_open(vnode_t **vpp, int mode, cred_t *cred) 216 { 217 return (VOP_OPEN(vpp, mode, cred, &smb_ct)); 218 } 219 220 void 221 smb_vop_close(vnode_t *vp, int mode, cred_t *cred) 222 { 223 (void) VOP_CLOSE(vp, mode, 1, (offset_t)0, cred, &smb_ct); 224 } 225 226 int 227 smb_vop_other_opens(vnode_t *vp, int mode) 228 { 229 return (((mode & FWRITE) && vn_has_other_opens(vp, V_WRITE)) || 230 (((mode & FWRITE) == 0) && vn_is_opened(vp, V_WRITE)) || 231 ((mode & FREAD) && vn_has_other_opens(vp, V_READ)) || 232 (((mode & FREAD) == 0) && vn_is_opened(vp, V_READ)) || 233 vn_is_mapped(vp, V_RDORWR)); 234 } 235 236 /* 237 * The smb_vop_* functions have minimal knowledge of CIFS semantics and 238 * serve as an interface to the VFS layer. 239 * 240 * Only smb_fsop_* layer functions should call smb_vop_* layer functions. 241 * (Higher-level CIFS service code should never skip the smb_fsop_* layer 242 * to call smb_vop_* layer functions directly.) 243 */ 244 245 /* 246 * XXX - Extended attributes support in the file system assumed. 247 * This is needed for full NT Streams functionality. 248 */ 249 250 int 251 smb_vop_read(vnode_t *vp, uio_t *uiop, cred_t *cr) 252 { 253 int error; 254 255 (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, &smb_ct); 256 error = VOP_READ(vp, uiop, 0, cr, &smb_ct); 257 VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, &smb_ct); 258 return (error); 259 } 260 261 int 262 smb_vop_write(vnode_t *vp, uio_t *uiop, int ioflag, uint32_t *lcount, 263 cred_t *cr) 264 { 265 int error; 266 267 *lcount = uiop->uio_resid; 268 269 uiop->uio_llimit = MAXOFFSET_T; 270 271 (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, &smb_ct); 272 error = VOP_WRITE(vp, uiop, ioflag, cr, &smb_ct); 273 VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, &smb_ct); 274 275 *lcount -= uiop->uio_resid; 276 277 return (error); 278 } 279 280 /* 281 * smb_vop_getattr() 282 * 283 * smb_fsop_getattr()/smb_vop_getattr() should always be called from the CIFS 284 * service (instead of calling VOP_GETATTR directly) to retrieve attributes 285 * due to special processing needed for streams files. 286 * 287 * All attributes are retrieved. 288 * 289 * When vp denotes a named stream, then unnamed_vp should be passed in (denoting 290 * the corresponding unnamed stream). 291 * A named stream's attributes (as far as CIFS is concerned) are those of the 292 * unnamed stream (minus the size attribute, and the type), plus the size of 293 * the named stream, and a type value of VREG. 294 * Although the file system may store other attributes with the named stream, 295 * these should not be used by CIFS for any purpose. 296 * 297 * File systems without VFSFT_XVATTR do not support DOS attributes or create 298 * time (crtime). In this case the mtime is used as the crtime. 299 * Likewise if VOP_GETATTR doesn't return any system attributes the dosattr 300 * is 0 and the mtime is used as the crtime. 301 */ 302 int 303 smb_vop_getattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *ret_attr, 304 int flags, cred_t *cr) 305 { 306 int error; 307 vnode_t *use_vp; 308 smb_attr_t tmp_attr; 309 xvattr_t tmp_xvattr; 310 xoptattr_t *xoap = NULL; 311 312 if (unnamed_vp) 313 use_vp = unnamed_vp; 314 else 315 use_vp = vp; 316 317 if (vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) { 318 xva_init(&tmp_xvattr); 319 xoap = xva_getxoptattr(&tmp_xvattr); 320 ASSERT(xoap); 321 322 smb_sa_to_va_mask(ret_attr->sa_mask, 323 &tmp_xvattr.xva_vattr.va_mask); 324 325 XVA_SET_REQ(&tmp_xvattr, XAT_READONLY); 326 XVA_SET_REQ(&tmp_xvattr, XAT_HIDDEN); 327 XVA_SET_REQ(&tmp_xvattr, XAT_SYSTEM); 328 XVA_SET_REQ(&tmp_xvattr, XAT_ARCHIVE); 329 XVA_SET_REQ(&tmp_xvattr, XAT_CREATETIME); 330 331 error = VOP_GETATTR(use_vp, &tmp_xvattr.xva_vattr, flags, 332 cr, &smb_ct); 333 if (error != 0) 334 return (error); 335 336 ret_attr->sa_vattr = tmp_xvattr.xva_vattr; 337 ret_attr->sa_dosattr = 0; 338 339 if (tmp_xvattr.xva_vattr.va_mask & AT_XVATTR) { 340 xoap = xva_getxoptattr(&tmp_xvattr); 341 ASSERT(xoap); 342 343 if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_READONLY)) && 344 (xoap->xoa_readonly)) { 345 ret_attr->sa_dosattr |= FILE_ATTRIBUTE_READONLY; 346 } 347 348 if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_HIDDEN)) && 349 (xoap->xoa_hidden)) { 350 ret_attr->sa_dosattr |= FILE_ATTRIBUTE_HIDDEN; 351 } 352 353 if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_SYSTEM)) && 354 (xoap->xoa_system)) { 355 ret_attr->sa_dosattr |= FILE_ATTRIBUTE_SYSTEM; 356 } 357 358 if ((XVA_ISSET_RTN(&tmp_xvattr, XAT_ARCHIVE)) && 359 (xoap->xoa_archive)) { 360 ret_attr->sa_dosattr |= FILE_ATTRIBUTE_ARCHIVE; 361 } 362 363 ret_attr->sa_crtime = xoap->xoa_createtime; 364 } else { 365 ret_attr->sa_crtime = ret_attr->sa_vattr.va_mtime; 366 } 367 } else { 368 /* 369 * Support for file systems without VFSFT_XVATTR 370 */ 371 smb_sa_to_va_mask(ret_attr->sa_mask, 372 &ret_attr->sa_vattr.va_mask); 373 374 error = VOP_GETATTR(use_vp, &ret_attr->sa_vattr, 375 flags, cr, &smb_ct); 376 if (error != 0) 377 return (error); 378 379 ret_attr->sa_dosattr = 0; 380 ret_attr->sa_crtime = ret_attr->sa_vattr.va_mtime; 381 } 382 383 if (unnamed_vp) { 384 ret_attr->sa_vattr.va_type = VREG; 385 386 if (ret_attr->sa_mask & (SMB_AT_SIZE | SMB_AT_NBLOCKS)) { 387 tmp_attr.sa_vattr.va_mask = AT_SIZE | AT_NBLOCKS; 388 389 error = VOP_GETATTR(vp, &tmp_attr.sa_vattr, 390 flags, cr, &smb_ct); 391 if (error != 0) 392 return (error); 393 394 ret_attr->sa_vattr.va_size = tmp_attr.sa_vattr.va_size; 395 ret_attr->sa_vattr.va_nblocks = 396 tmp_attr.sa_vattr.va_nblocks; 397 } 398 } 399 400 if (ret_attr->sa_vattr.va_type == VDIR) 401 ret_attr->sa_dosattr |= FILE_ATTRIBUTE_DIRECTORY; 402 403 return (error); 404 } 405 406 /* 407 * smb_vop_setattr() 408 * 409 * smb_fsop_setattr()/smb_vop_setattr() should always be used instead of 410 * VOP_SETATTR() when calling from the CIFS service, due to special processing 411 * for streams files. 412 * 413 * Streams have a size but otherwise do not have separate attributes from 414 * the (unnamed stream) file, i.e., the security and ownership of the file 415 * applies to the stream. In contrast, extended attribute files, which are 416 * used to implement streams, are independent objects with their own 417 * attributes. 418 * 419 * For compatibility with streams, we set the size on the extended attribute 420 * file and apply other attributes to the (unnamed stream) file. The one 421 * exception is that the UID and GID can be set on the stream by passing a 422 * NULL unnamed_vp, which allows callers to synchronize stream ownership 423 * with the (unnamed stream) file. 424 */ 425 int 426 smb_vop_setattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *attr, 427 int flags, cred_t *cr) 428 { 429 int error = 0; 430 int at_size = 0; 431 vnode_t *use_vp; 432 xvattr_t xvattr; 433 vattr_t *vap; 434 435 if (attr->sa_mask & SMB_AT_DOSATTR) { 436 attr->sa_dosattr &= 437 (FILE_ATTRIBUTE_ARCHIVE | FILE_ATTRIBUTE_READONLY | 438 FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM); 439 } 440 441 if (unnamed_vp) { 442 use_vp = unnamed_vp; 443 if (attr->sa_mask & SMB_AT_SIZE) { 444 at_size = 1; 445 attr->sa_mask &= ~SMB_AT_SIZE; 446 } 447 } else { 448 use_vp = vp; 449 } 450 451 /* 452 * The caller should not be setting sa_vattr.va_mask, 453 * but rather sa_mask. 454 */ 455 456 attr->sa_vattr.va_mask = 0; 457 458 if (vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) { 459 smb_vop_setup_xvattr(attr, &xvattr); 460 vap = &xvattr.xva_vattr; 461 } else { 462 smb_sa_to_va_mask(attr->sa_mask, 463 &attr->sa_vattr.va_mask); 464 vap = &attr->sa_vattr; 465 } 466 467 if ((error = VOP_SETATTR(use_vp, vap, flags, cr, &smb_ct)) != 0) 468 return (error); 469 470 if (at_size) { 471 attr->sa_vattr.va_mask = AT_SIZE; 472 error = VOP_SETATTR(vp, &attr->sa_vattr, flags, kcred, &smb_ct); 473 } 474 475 return (error); 476 } 477 478 /* 479 * smb_vop_access 480 * 481 * This is a wrapper round VOP_ACCESS. VOP_ACCESS checks the given mode 482 * against file's ACL or Unix permissions. CIFS on the other hand needs to 483 * know if the requested operation can succeed for the given object, this 484 * requires more checks in case of DELETE bit since permissions on the parent 485 * directory are important as well. Based on Windows rules if parent's ACL 486 * grant FILE_DELETE_CHILD a file can be delete regardless of the file's 487 * permissions. 488 */ 489 int 490 smb_vop_access(vnode_t *vp, int mode, int flags, vnode_t *dir_vp, cred_t *cr) 491 { 492 int error = 0; 493 494 if (mode == 0) 495 return (0); 496 497 if ((flags == V_ACE_MASK) && (mode & ACE_DELETE)) { 498 if (dir_vp) { 499 error = VOP_ACCESS(dir_vp, ACE_DELETE_CHILD, flags, 500 cr, NULL); 501 502 if (error == 0) 503 mode &= ~ACE_DELETE; 504 } 505 } 506 507 if (mode) { 508 error = VOP_ACCESS(vp, mode, flags, cr, NULL); 509 } 510 511 return (error); 512 } 513 514 /* 515 * smb_vop_lookup 516 * 517 * dvp: directory vnode (in) 518 * name: name of file to be looked up (in) 519 * vpp: looked-up vnode (out) 520 * od_name: on-disk name of file (out). 521 * This parameter is optional. If a pointer is passed in, it 522 * must be allocated with MAXNAMELEN bytes 523 * rootvp: vnode of the tree root (in) 524 * This parameter is always passed in non-NULL except at the time 525 * of share set up. 526 * direntflags: dirent flags returned from VOP_LOOKUP 527 */ 528 int 529 smb_vop_lookup( 530 vnode_t *dvp, 531 char *name, 532 vnode_t **vpp, 533 char *od_name, 534 int flags, 535 int *direntflags, 536 vnode_t *rootvp, 537 cred_t *cr) 538 { 539 int error = 0; 540 int option_flags = 0; 541 pathname_t rpn; 542 char *np = name; 543 char namebuf[MAXNAMELEN]; 544 545 if (*name == '\0') 546 return (EINVAL); 547 548 ASSERT(vpp); 549 *vpp = NULL; 550 *direntflags = 0; 551 552 if ((name[0] == '.') && (name[1] == '.') && (name[2] == 0)) { 553 if (rootvp && (dvp == rootvp)) { 554 VN_HOLD(dvp); 555 *vpp = dvp; 556 return (0); 557 } 558 559 if (dvp->v_flag & VROOT) { 560 vfs_t *vfsp; 561 vnode_t *cvp = dvp; 562 563 /* 564 * Set dvp and check for races with forced unmount 565 * (see lookuppnvp()) 566 */ 567 568 vfsp = cvp->v_vfsp; 569 vfs_rlock_wait(vfsp); 570 if (((dvp = cvp->v_vfsp->vfs_vnodecovered) == NULL) || 571 (cvp->v_vfsp->vfs_flag & VFS_UNMOUNTED)) { 572 vfs_unlock(vfsp); 573 return (EIO); 574 } 575 vfs_unlock(vfsp); 576 } 577 } 578 579 if (flags & SMB_IGNORE_CASE) 580 option_flags = FIGNORECASE; 581 582 if (flags & SMB_CATIA) 583 np = smb_vop_catia_v5tov4(name, namebuf, sizeof (namebuf)); 584 585 pn_alloc(&rpn); 586 587 error = VOP_LOOKUP(dvp, np, vpp, NULL, option_flags, NULL, cr, 588 &smb_ct, direntflags, &rpn); 589 590 if ((error == 0) && od_name) { 591 bzero(od_name, MAXNAMELEN); 592 np = (option_flags == FIGNORECASE) ? rpn.pn_buf : name; 593 594 if (flags & SMB_CATIA) 595 smb_vop_catia_v4tov5(np, od_name, MAXNAMELEN); 596 else 597 (void) strlcpy(od_name, np, MAXNAMELEN); 598 } 599 600 pn_free(&rpn); 601 return (error); 602 } 603 604 int 605 smb_vop_create(vnode_t *dvp, char *name, smb_attr_t *attr, vnode_t **vpp, 606 int flags, cred_t *cr, vsecattr_t *vsap) 607 { 608 int error; 609 int option_flags = 0; 610 xvattr_t xvattr; 611 vattr_t *vap; 612 char *np = name; 613 char namebuf[MAXNAMELEN]; 614 615 if (flags & SMB_IGNORE_CASE) 616 option_flags = FIGNORECASE; 617 618 attr->sa_vattr.va_mask = 0; 619 620 if (vfs_has_feature(dvp->v_vfsp, VFSFT_XVATTR)) { 621 smb_vop_setup_xvattr(attr, &xvattr); 622 vap = &xvattr.xva_vattr; 623 } else { 624 smb_sa_to_va_mask(attr->sa_mask, &attr->sa_vattr.va_mask); 625 vap = &attr->sa_vattr; 626 } 627 628 if (flags & SMB_CATIA) { 629 np = smb_vop_catia_v5tov4(name, namebuf, sizeof (namebuf)); 630 if (strchr(np, '/') != NULL) 631 return (EILSEQ); 632 } 633 634 error = VOP_CREATE(dvp, np, vap, EXCL, attr->sa_vattr.va_mode, 635 vpp, cr, option_flags, &smb_ct, vsap); 636 637 return (error); 638 } 639 640 int 641 smb_vop_remove(vnode_t *dvp, char *name, int flags, cred_t *cr) 642 { 643 int error; 644 int option_flags = 0; 645 char *np = name; 646 char namebuf[MAXNAMELEN]; 647 648 if (flags & SMB_IGNORE_CASE) 649 option_flags = FIGNORECASE; 650 651 if (flags & SMB_CATIA) 652 np = smb_vop_catia_v5tov4(name, namebuf, sizeof (namebuf)); 653 654 error = VOP_REMOVE(dvp, np, cr, &smb_ct, option_flags); 655 656 return (error); 657 } 658 659 /* 660 * smb_vop_link(target-dir-vp, source-file-vp, target-name) 661 * 662 * Create a link - same tree (identical TID) only. 663 */ 664 int 665 smb_vop_link(vnode_t *to_dvp, vnode_t *from_vp, char *to_name, 666 int flags, cred_t *cr) 667 { 668 int option_flags = 0; 669 char *np, *buf; 670 int rc; 671 672 if (flags & SMB_IGNORE_CASE) 673 option_flags = FIGNORECASE; 674 675 if (flags & SMB_CATIA) { 676 buf = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 677 np = smb_vop_catia_v5tov4(to_name, buf, MAXNAMELEN); 678 if (strchr(np, '/') != NULL) { 679 kmem_free(buf, MAXNAMELEN); 680 return (EILSEQ); 681 } 682 683 rc = VOP_LINK(to_dvp, from_vp, np, cr, &smb_ct, option_flags); 684 kmem_free(buf, MAXNAMELEN); 685 return (rc); 686 } 687 688 rc = VOP_LINK(to_dvp, from_vp, to_name, cr, &smb_ct, option_flags); 689 return (rc); 690 } 691 692 /* 693 * smb_vop_rename() 694 * 695 * The rename is for files in the same tree (identical TID) only. 696 */ 697 int 698 smb_vop_rename(vnode_t *from_dvp, char *from_name, vnode_t *to_dvp, 699 char *to_name, int flags, cred_t *cr) 700 { 701 int error; 702 int option_flags = 0; 703 char *from, *to, *fbuf, *tbuf; 704 705 if (flags & SMB_IGNORE_CASE) 706 option_flags = FIGNORECASE; 707 708 if (flags & SMB_CATIA) { 709 tbuf = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 710 to = smb_vop_catia_v5tov4(to_name, tbuf, MAXNAMELEN); 711 if (strchr(to, '/') != NULL) { 712 kmem_free(tbuf, MAXNAMELEN); 713 return (EILSEQ); 714 } 715 716 fbuf = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 717 from = smb_vop_catia_v5tov4(from_name, fbuf, MAXNAMELEN); 718 719 error = VOP_RENAME(from_dvp, from, to_dvp, to, cr, 720 &smb_ct, option_flags); 721 722 kmem_free(tbuf, MAXNAMELEN); 723 kmem_free(fbuf, MAXNAMELEN); 724 return (error); 725 } 726 727 error = VOP_RENAME(from_dvp, from_name, to_dvp, to_name, cr, 728 &smb_ct, option_flags); 729 730 return (error); 731 } 732 733 int 734 smb_vop_mkdir(vnode_t *dvp, char *name, smb_attr_t *attr, vnode_t **vpp, 735 int flags, cred_t *cr, vsecattr_t *vsap) 736 { 737 int error; 738 int option_flags = 0; 739 xvattr_t xvattr; 740 vattr_t *vap; 741 char *np = name; 742 char namebuf[MAXNAMELEN]; 743 744 if (flags & SMB_IGNORE_CASE) 745 option_flags = FIGNORECASE; 746 747 attr->sa_vattr.va_mask = 0; 748 749 if (vfs_has_feature(dvp->v_vfsp, VFSFT_XVATTR)) { 750 smb_vop_setup_xvattr(attr, &xvattr); 751 vap = &xvattr.xva_vattr; 752 } else { 753 smb_sa_to_va_mask(attr->sa_mask, &attr->sa_vattr.va_mask); 754 vap = &attr->sa_vattr; 755 } 756 757 if (flags & SMB_CATIA) { 758 np = smb_vop_catia_v5tov4(name, namebuf, sizeof (namebuf)); 759 if (strchr(np, '/') != NULL) 760 return (EILSEQ); 761 } 762 763 error = VOP_MKDIR(dvp, np, vap, vpp, cr, &smb_ct, option_flags, vsap); 764 765 return (error); 766 } 767 768 /* 769 * smb_vop_rmdir() 770 * 771 * Only simple rmdir supported, consistent with NT semantics 772 * (can only remove an empty directory). 773 * 774 * The third argument to VOP_RMDIR is the current directory of 775 * the process. It allows rmdir wants to EINVAL if one tries to 776 * remove ".". Since SMB servers do not know what their clients' 777 * current directories are, we fake it by supplying a vnode known 778 * to exist and illegal to remove (rootdir). 779 */ 780 int 781 smb_vop_rmdir(vnode_t *dvp, char *name, int flags, cred_t *cr) 782 { 783 int error; 784 int option_flags = 0; 785 char *np = name; 786 char namebuf[MAXNAMELEN]; 787 788 if (flags & SMB_IGNORE_CASE) 789 option_flags = FIGNORECASE; 790 791 if (flags & SMB_CATIA) 792 np = smb_vop_catia_v5tov4(name, namebuf, sizeof (namebuf)); 793 794 error = VOP_RMDIR(dvp, np, rootdir, cr, &smb_ct, option_flags); 795 return (error); 796 } 797 798 int 799 smb_vop_commit(vnode_t *vp, cred_t *cr) 800 { 801 return (VOP_FSYNC(vp, 1, cr, &smb_ct)); 802 } 803 804 static void 805 smb_vop_setup_xvattr(smb_attr_t *smb_attr, xvattr_t *xvattr) 806 { 807 xoptattr_t *xoap = NULL; 808 uint_t xva_mask; 809 810 /* 811 * Initialize xvattr, including bzero 812 */ 813 xva_init(xvattr); 814 xoap = xva_getxoptattr(xvattr); 815 816 ASSERT(xoap); 817 818 /* 819 * Copy caller-specified classic attributes to xvattr. 820 * First save xvattr's mask (set in xva_init()), which 821 * contains AT_XVATTR. This is |'d in later if needed. 822 */ 823 824 xva_mask = xvattr->xva_vattr.va_mask; 825 xvattr->xva_vattr = smb_attr->sa_vattr; 826 827 smb_sa_to_va_mask(smb_attr->sa_mask, &xvattr->xva_vattr.va_mask); 828 829 /* 830 * Do not set ctime (only the file system can do it) 831 */ 832 833 xvattr->xva_vattr.va_mask &= ~AT_CTIME; 834 835 if (smb_attr->sa_mask & SMB_AT_DOSATTR) { 836 837 /* 838 * "|" in the original xva_mask, which contains 839 * AT_XVATTR 840 */ 841 842 xvattr->xva_vattr.va_mask |= xva_mask; 843 844 XVA_SET_REQ(xvattr, XAT_ARCHIVE); 845 XVA_SET_REQ(xvattr, XAT_SYSTEM); 846 XVA_SET_REQ(xvattr, XAT_READONLY); 847 XVA_SET_REQ(xvattr, XAT_HIDDEN); 848 849 /* 850 * smb_attr->sa_dosattr: If a given bit is not set, 851 * that indicates that the corresponding field needs 852 * to be updated with a "0" value. This is done 853 * implicitly as the xoap->xoa_* fields were bzero'd. 854 */ 855 856 if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_ARCHIVE) 857 xoap->xoa_archive = 1; 858 859 if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_SYSTEM) 860 xoap->xoa_system = 1; 861 862 if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_READONLY) 863 xoap->xoa_readonly = 1; 864 865 if (smb_attr->sa_dosattr & FILE_ATTRIBUTE_HIDDEN) 866 xoap->xoa_hidden = 1; 867 } 868 869 if (smb_attr->sa_mask & SMB_AT_CRTIME) { 870 /* 871 * "|" in the original xva_mask, which contains 872 * AT_XVATTR 873 */ 874 875 xvattr->xva_vattr.va_mask |= xva_mask; 876 XVA_SET_REQ(xvattr, XAT_CREATETIME); 877 xoap->xoa_createtime = smb_attr->sa_crtime; 878 } 879 } 880 881 /* 882 * smb_vop_readdir() 883 * 884 * Collects an SMB_MINLEN_RDDIR_BUF "page" of directory entries. 885 * The directory entries are returned in an fs-independent format by the 886 * underlying file system. That is, the "page" of information returned is 887 * not literally stored on-disk in the format returned. 888 * If the file system supports extended directory entries (has features 889 * VFSFT_DIRENTFLAGS), set V_RDDIR_ENTFLAGS to cause the buffer to be 890 * filled with edirent_t structures, instead of dirent64_t structures. 891 * If the file system supports access based enumeration (abe), set 892 * V_RDDIR_ACCFILTER to filter directory entries based on user cred. 893 */ 894 int 895 smb_vop_readdir(vnode_t *vp, uint32_t offset, 896 void *buf, int *count, int *eof, uint32_t rddir_flag, cred_t *cr) 897 { 898 int error = 0; 899 int flags = 0; 900 int rdirent_size; 901 struct uio auio; 902 struct iovec aiov; 903 904 if (vp->v_type != VDIR) 905 return (ENOTDIR); 906 907 if (vfs_has_feature(vp->v_vfsp, VFSFT_DIRENTFLAGS)) { 908 flags |= V_RDDIR_ENTFLAGS; 909 rdirent_size = sizeof (edirent_t); 910 } else { 911 rdirent_size = sizeof (dirent64_t); 912 } 913 914 if (*count < rdirent_size) 915 return (EINVAL); 916 917 if (rddir_flag & SMB_ABE) 918 flags |= V_RDDIR_ACCFILTER; 919 920 aiov.iov_base = buf; 921 aiov.iov_len = *count; 922 auio.uio_iov = &aiov; 923 auio.uio_iovcnt = 1; 924 auio.uio_loffset = (uint64_t)offset; 925 auio.uio_segflg = UIO_SYSSPACE; 926 auio.uio_extflg = UIO_COPY_DEFAULT; 927 auio.uio_resid = *count; 928 auio.uio_fmode = 0; 929 930 (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, &smb_ct); 931 error = VOP_READDIR(vp, &auio, cr, eof, &smb_ct, flags); 932 VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, &smb_ct); 933 934 if (error == 0) 935 *count = *count - auio.uio_resid; 936 937 return (error); 938 } 939 940 /* 941 * smb_sa_to_va_mask 942 * 943 * Set va_mask by running through the SMB_AT_* #define's and 944 * setting those bits that correspond to the SMB_AT_* bits 945 * set in sa_mask. 946 */ 947 void 948 smb_sa_to_va_mask(uint_t sa_mask, uint_t *va_maskp) 949 { 950 int i; 951 uint_t smask; 952 953 smask = (sa_mask); 954 for (i = SMB_AT_TYPE; (i < SMB_AT_MAX) && (smask != 0); ++i) { 955 if (smask & 1) 956 *(va_maskp) |= smb_attrmap[i]; 957 958 smask >>= 1; 959 } 960 } 961 962 /* 963 * smb_vop_stream_lookup() 964 * 965 * The name returned in od_name is the on-disk name of the stream with the 966 * SMB_STREAM_PREFIX stripped off. od_name should be allocated to MAXNAMELEN 967 * by the caller. 968 */ 969 int 970 smb_vop_stream_lookup( 971 vnode_t *fvp, 972 char *stream_name, 973 vnode_t **vpp, 974 char *od_name, 975 vnode_t **xattrdirvpp, 976 int flags, 977 vnode_t *rootvp, 978 cred_t *cr) 979 { 980 char *solaris_stream_name; 981 char *name; 982 int error, tmpflgs; 983 984 if ((error = smb_vop_lookup_xattrdir(fvp, xattrdirvpp, 985 LOOKUP_XATTR | CREATE_XATTR_DIR, cr)) != 0) 986 return (error); 987 988 /* 989 * Prepend SMB_STREAM_PREFIX to stream name 990 */ 991 992 solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); 993 (void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX, 994 stream_name); 995 996 /* 997 * "name" will hold the on-disk name returned from smb_vop_lookup 998 * for the stream, including the SMB_STREAM_PREFIX. 999 */ 1000 1001 name = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 1002 1003 if ((error = smb_vop_lookup(*xattrdirvpp, solaris_stream_name, vpp, 1004 name, flags, &tmpflgs, rootvp, cr)) != 0) { 1005 VN_RELE(*xattrdirvpp); 1006 } else { 1007 (void) strlcpy(od_name, &(name[SMB_STREAM_PREFIX_LEN]), 1008 MAXNAMELEN); 1009 } 1010 1011 kmem_free(solaris_stream_name, MAXNAMELEN); 1012 kmem_free(name, MAXNAMELEN); 1013 1014 return (error); 1015 } 1016 1017 int 1018 smb_vop_stream_create(vnode_t *fvp, char *stream_name, smb_attr_t *attr, 1019 vnode_t **vpp, vnode_t **xattrdirvpp, int flags, cred_t *cr) 1020 { 1021 char *solaris_stream_name; 1022 int error; 1023 1024 if ((error = smb_vop_lookup_xattrdir(fvp, xattrdirvpp, 1025 LOOKUP_XATTR | CREATE_XATTR_DIR, cr)) != 0) 1026 return (error); 1027 1028 /* 1029 * Prepend SMB_STREAM_PREFIX to stream name 1030 */ 1031 1032 solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); 1033 (void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX, 1034 stream_name); 1035 1036 if ((error = smb_vop_create(*xattrdirvpp, solaris_stream_name, attr, 1037 vpp, flags, cr, NULL)) != 0) 1038 VN_RELE(*xattrdirvpp); 1039 1040 kmem_free(solaris_stream_name, MAXNAMELEN); 1041 1042 return (error); 1043 } 1044 1045 int 1046 smb_vop_stream_remove(vnode_t *vp, char *stream_name, int flags, cred_t *cr) 1047 { 1048 char *solaris_stream_name; 1049 vnode_t *xattrdirvp; 1050 int error; 1051 1052 error = smb_vop_lookup_xattrdir(vp, &xattrdirvp, LOOKUP_XATTR, cr); 1053 if (error != 0) 1054 return (error); 1055 1056 /* 1057 * Prepend SMB_STREAM_PREFIX to stream name 1058 */ 1059 1060 solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); 1061 (void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX, 1062 stream_name); 1063 1064 /* XXX might have to use kcred */ 1065 error = smb_vop_remove(xattrdirvp, solaris_stream_name, flags, cr); 1066 1067 kmem_free(solaris_stream_name, MAXNAMELEN); 1068 1069 return (error); 1070 } 1071 1072 int 1073 smb_vop_lookup_xattrdir(vnode_t *fvp, vnode_t **xattrdirvpp, int flags, 1074 cred_t *cr) 1075 { 1076 int error; 1077 1078 error = VOP_LOOKUP(fvp, "", xattrdirvpp, NULL, flags, NULL, cr, 1079 &smb_ct, NULL, NULL); 1080 return (error); 1081 } 1082 1083 /* 1084 * smb_vop_traverse_check() 1085 * 1086 * This function checks to see if the passed-in vnode has a file system 1087 * mounted on it. If it does, the mount point is "traversed" and the 1088 * vnode for the root of the file system is returned. 1089 */ 1090 int 1091 smb_vop_traverse_check(vnode_t **vpp) 1092 { 1093 int error; 1094 1095 if (vn_mountedvfs(*vpp) == 0) 1096 return (0); 1097 1098 /* 1099 * traverse() may return a different held vnode, even in the error case. 1100 * If it returns a different vnode, it will have released the original. 1101 */ 1102 1103 error = traverse(vpp); 1104 1105 return (error); 1106 } 1107 1108 int /*ARGSUSED*/ 1109 smb_vop_statfs(vnode_t *vp, struct statvfs64 *statp, cred_t *cr) 1110 { 1111 int error; 1112 1113 error = VFS_STATVFS(vp->v_vfsp, statp); 1114 1115 return (error); 1116 } 1117 1118 /* 1119 * smb_vop_acl_read 1120 * 1121 * Reads the ACL of the specified file into 'aclp'. 1122 * acl_type is the type of ACL which the filesystem supports. 1123 * 1124 * Caller has to free the allocated memory for aclp by calling 1125 * acl_free(). 1126 */ 1127 int 1128 smb_vop_acl_read(vnode_t *vp, acl_t **aclp, int flags, acl_type_t acl_type, 1129 cred_t *cr) 1130 { 1131 int error; 1132 vsecattr_t vsecattr; 1133 1134 ASSERT(vp); 1135 ASSERT(aclp); 1136 1137 *aclp = NULL; 1138 bzero(&vsecattr, sizeof (vsecattr_t)); 1139 1140 switch (acl_type) { 1141 case ACLENT_T: 1142 vsecattr.vsa_mask = VSA_ACL | VSA_ACLCNT | VSA_DFACL | 1143 VSA_DFACLCNT; 1144 break; 1145 1146 case ACE_T: 1147 vsecattr.vsa_mask = VSA_ACE | VSA_ACECNT | VSA_ACE_ACLFLAGS; 1148 break; 1149 1150 default: 1151 return (EINVAL); 1152 } 1153 1154 if (error = VOP_GETSECATTR(vp, &vsecattr, flags, cr, &smb_ct)) 1155 return (error); 1156 1157 *aclp = smb_fsacl_from_vsa(&vsecattr, acl_type); 1158 if (vp->v_type == VDIR) 1159 (*aclp)->acl_flags |= ACL_IS_DIR; 1160 1161 return (0); 1162 } 1163 1164 /* 1165 * smb_vop_acl_write 1166 * 1167 * Writes the given ACL in aclp for the specified file. 1168 */ 1169 int 1170 smb_vop_acl_write(vnode_t *vp, acl_t *aclp, int flags, cred_t *cr) 1171 { 1172 int error; 1173 vsecattr_t vsecattr; 1174 int aclbsize; 1175 1176 ASSERT(vp); 1177 ASSERT(aclp); 1178 1179 error = smb_fsacl_to_vsa(aclp, &vsecattr, &aclbsize); 1180 1181 if (error == 0) { 1182 (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, &smb_ct); 1183 error = VOP_SETSECATTR(vp, &vsecattr, flags, cr, &smb_ct); 1184 VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, &smb_ct); 1185 } 1186 1187 if (aclbsize && vsecattr.vsa_aclentp) 1188 kmem_free(vsecattr.vsa_aclentp, aclbsize); 1189 1190 return (error); 1191 } 1192 1193 /* 1194 * smb_vop_acl_type 1195 * 1196 * Determines the ACL type for the given vnode. 1197 * ACLENT_T is a Posix ACL and ACE_T is a ZFS ACL. 1198 */ 1199 acl_type_t 1200 smb_vop_acl_type(vnode_t *vp) 1201 { 1202 int error; 1203 ulong_t whichacl; 1204 1205 error = VOP_PATHCONF(vp, _PC_ACL_ENABLED, &whichacl, kcred, NULL); 1206 if (error != 0) { 1207 /* 1208 * If we got an error, then the filesystem 1209 * likely does not understand the _PC_ACL_ENABLED 1210 * pathconf. In this case, we fall back to trying 1211 * POSIX-draft (aka UFS-style) ACLs. 1212 */ 1213 whichacl = _ACL_ACLENT_ENABLED; 1214 } 1215 1216 if (!(whichacl & (_ACL_ACE_ENABLED | _ACL_ACLENT_ENABLED))) { 1217 /* 1218 * If the file system supports neither ACE nor 1219 * ACLENT ACLs we will fall back to UFS-style ACLs 1220 * like we did above if there was an error upon 1221 * calling VOP_PATHCONF. 1222 * 1223 * ACE and ACLENT type ACLs are the only interfaces 1224 * supported thus far. If any other bits are set on 1225 * 'whichacl' upon return from VOP_PATHCONF, we will 1226 * ignore them. 1227 */ 1228 whichacl = _ACL_ACLENT_ENABLED; 1229 } 1230 1231 if (whichacl == _ACL_ACLENT_ENABLED) 1232 return (ACLENT_T); 1233 1234 return (ACE_T); 1235 } 1236 1237 static int zfs_perms[] = { 1238 ACE_READ_DATA, ACE_WRITE_DATA, ACE_APPEND_DATA, ACE_READ_NAMED_ATTRS, 1239 ACE_WRITE_NAMED_ATTRS, ACE_EXECUTE, ACE_DELETE_CHILD, 1240 ACE_READ_ATTRIBUTES, ACE_WRITE_ATTRIBUTES, ACE_DELETE, ACE_READ_ACL, 1241 ACE_WRITE_ACL, ACE_WRITE_OWNER, ACE_SYNCHRONIZE 1242 }; 1243 1244 static int unix_perms[] = { VREAD, VWRITE, VEXEC }; 1245 /* 1246 * smb_vop_eaccess 1247 * 1248 * Returns the effective permission of the given credential for the 1249 * specified object. 1250 * 1251 * This is just a workaround. We need VFS/FS support for this. 1252 */ 1253 void 1254 smb_vop_eaccess(vnode_t *vp, int *mode, int flags, vnode_t *dir_vp, cred_t *cr) 1255 { 1256 int error, i; 1257 int pnum; 1258 1259 *mode = 0; 1260 1261 if (flags == V_ACE_MASK) { 1262 pnum = sizeof (zfs_perms) / sizeof (int); 1263 1264 for (i = 0; i < pnum; i++) { 1265 error = smb_vop_access(vp, zfs_perms[i], flags, 1266 dir_vp, cr); 1267 if (error == 0) 1268 *mode |= zfs_perms[i]; 1269 } 1270 } else { 1271 pnum = sizeof (unix_perms) / sizeof (int); 1272 1273 for (i = 0; i < pnum; i++) { 1274 error = smb_vop_access(vp, unix_perms[i], flags, 1275 dir_vp, cr); 1276 if (error == 0) 1277 *mode |= unix_perms[i]; 1278 } 1279 } 1280 } 1281 1282 /* 1283 * smb_vop_shrlock() 1284 * 1285 * See comments for smb_fsop_shrlock() 1286 */ 1287 int 1288 smb_vop_shrlock(vnode_t *vp, uint32_t uniq_fid, uint32_t desired_access, 1289 uint32_t share_access, cred_t *cr) 1290 { 1291 struct shrlock shr; 1292 struct shr_locowner shr_own; 1293 short new_access = 0; 1294 short deny = 0; 1295 int flag = 0; 1296 int cmd; 1297 1298 cmd = (nbl_need_check(vp)) ? F_SHARE_NBMAND : F_SHARE; 1299 1300 /* 1301 * Check if this is a metadata access 1302 */ 1303 1304 if ((desired_access & FILE_DATA_ALL) == 0) { 1305 new_access |= F_MDACC; 1306 } else { 1307 if (desired_access & (ACE_READ_DATA | ACE_EXECUTE)) { 1308 new_access |= F_RDACC; 1309 flag |= FREAD; 1310 } 1311 1312 if (desired_access & (ACE_WRITE_DATA | ACE_APPEND_DATA | 1313 ACE_ADD_FILE)) { 1314 new_access |= F_WRACC; 1315 flag |= FWRITE; 1316 } 1317 1318 if (SMB_DENY_READ(share_access)) { 1319 deny |= F_RDDNY; 1320 } 1321 1322 if (SMB_DENY_WRITE(share_access)) { 1323 deny |= F_WRDNY; 1324 } 1325 1326 if (cmd == F_SHARE_NBMAND) { 1327 if (desired_access & ACE_DELETE) 1328 new_access |= F_RMACC; 1329 1330 if (SMB_DENY_DELETE(share_access)) { 1331 deny |= F_RMDNY; 1332 } 1333 } 1334 } 1335 1336 shr.s_access = new_access; 1337 shr.s_deny = deny; 1338 shr.s_sysid = smb_ct.cc_sysid; 1339 shr.s_pid = uniq_fid; 1340 shr.s_own_len = sizeof (shr_own); 1341 shr.s_owner = (caddr_t)&shr_own; 1342 shr_own.sl_id = shr.s_sysid; 1343 shr_own.sl_pid = shr.s_pid; 1344 1345 return (VOP_SHRLOCK(vp, cmd, &shr, flag, cr, NULL)); 1346 } 1347 1348 int 1349 smb_vop_unshrlock(vnode_t *vp, uint32_t uniq_fid, cred_t *cr) 1350 { 1351 struct shrlock shr; 1352 struct shr_locowner shr_own; 1353 1354 /* 1355 * For s_access and s_deny, we do not need to pass in the original 1356 * values. 1357 */ 1358 1359 shr.s_access = 0; 1360 shr.s_deny = 0; 1361 shr.s_sysid = smb_ct.cc_sysid; 1362 shr.s_pid = uniq_fid; 1363 shr.s_own_len = sizeof (shr_own); 1364 shr.s_owner = (caddr_t)&shr_own; 1365 shr_own.sl_id = shr.s_sysid; 1366 shr_own.sl_pid = shr.s_pid; 1367 1368 return (VOP_SHRLOCK(vp, F_UNSHARE, &shr, 0, cr, NULL)); 1369 } 1370 1371 int 1372 smb_vop_frlock(vnode_t *vp, cred_t *cr, int flag, flock64_t *bf) 1373 { 1374 int cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 1375 flk_callback_t flk_cb; 1376 1377 flk_init_callback(&flk_cb, smb_lock_frlock_callback, NULL); 1378 1379 return (VOP_FRLOCK(vp, cmd, bf, flag, 0, &flk_cb, cr, &smb_ct)); 1380 } 1381 1382 static callb_cpr_t * 1383 /* ARGSUSED */ 1384 smb_lock_frlock_callback(flk_cb_when_t when, void *error) 1385 { 1386 return (0); 1387 } 1388 1389 /* 1390 * smb_vop_catia_init_v4_lookup 1391 * Initialize mapping between wide characters in the range from 1392 * 0x00A4 to 0x00FF and their UNIX (v4) equivalent (wide character). 1393 * Indexed by the decimal value of the wide character (164-255) 1394 * with an offset of -164. 1395 */ 1396 static void 1397 smb_vop_catia_init_v4_lookup() 1398 { 1399 int i, idx, offset = SMB_CATIA_V4_LOOKUP_LOW; 1400 1401 for (i = 0; i < SMB_CATIA_V4_LOOKUP_MAX; i++) 1402 smb_catia_v4_lookup[i] = (smb_wchar_t)(i + offset); 1403 1404 for (i = 0; i < SMB_CATIA_NUM_MAPS; i++) { 1405 idx = (int)catia_maps[i].winchar - offset; 1406 smb_catia_v4_lookup[idx] = (smb_wchar_t)catia_maps[i].unixchar; 1407 } 1408 } 1409 1410 /* 1411 * smb_vop_catia_init_v5_lookup 1412 * Initialize mapping between UNIX ASCII (v4) characters and equivalent 1413 * or translated wide characters. 1414 * Indexed by the decimal value of the ASCII character (0-127). 1415 */ 1416 static void 1417 smb_vop_catia_init_v5_lookup() 1418 { 1419 int i, idx; 1420 1421 for (i = 0; i < SMB_CATIA_V5_LOOKUP_MAX; i++) 1422 smb_catia_v5_lookup[i] = (smb_wchar_t)i; 1423 1424 for (i = 0; i < SMB_CATIA_NUM_MAPS; i++) { 1425 idx = (int)catia_maps[i].unixchar; 1426 smb_catia_v5_lookup[idx] = catia_maps[i].winchar; 1427 } 1428 } 1429 1430 static void 1431 smb_vop_catia_init() 1432 { 1433 smb_vop_catia_init_v4_lookup(); 1434 smb_vop_catia_init_v5_lookup(); 1435 } 1436 1437 /* 1438 * smb_vop_catia_v5tov4 1439 * (windows (v5) to unix (v4)) 1440 * 1441 * Traverse each character in the given source filename and convert the 1442 * multibyte that is equivalent to any special Windows character listed 1443 * in the catia_maps table to the Unix ASCII character if any is 1444 * encountered in the filename. The translated name is returned in buf. 1445 * 1446 * If an error occurs the conversion terminates and name is returned, 1447 * otherwise buf is returned. 1448 */ 1449 char * 1450 smb_vop_catia_v5tov4(char *name, char *buf, int buflen) 1451 { 1452 int v4_idx, numbytes, inc; 1453 int space_left = buflen - 1; /* one byte reserved for null */ 1454 smb_wchar_t wc; 1455 char mbstring[MTS_MB_CHAR_MAX]; 1456 char *p, *src = name, *dst = buf; 1457 1458 ASSERT(name); 1459 ASSERT(buf); 1460 1461 if (!buf || !name) 1462 return (name); 1463 1464 bzero(buf, buflen); 1465 1466 while (*src) { 1467 if ((numbytes = smb_mbtowc(&wc, src, MTS_MB_CHAR_MAX)) < 0) 1468 return (name); 1469 1470 if (wc < SMB_CATIA_V4_LOOKUP_LOW || 1471 wc > SMB_CATIA_V4_LOOKUP_UPPER) { 1472 inc = numbytes; 1473 p = src; 1474 } else { 1475 /* Lookup required. */ 1476 v4_idx = (int)wc - SMB_CATIA_V4_LOOKUP_LOW; 1477 inc = smb_wctomb(mbstring, smb_catia_v4_lookup[v4_idx]); 1478 p = mbstring; 1479 } 1480 1481 if (space_left < inc) 1482 return (name); 1483 1484 (void) strncpy(dst, p, inc); 1485 dst += inc; 1486 space_left -= inc; 1487 src += numbytes; 1488 } 1489 1490 return (buf); 1491 } 1492 1493 /* 1494 * smb_vop_catia_v4tov5 1495 * (unix (v4) to windows (v5)) 1496 * 1497 * Traverse each character in the given filename 'srcbuf' and convert 1498 * the special Unix character that is listed in the catia_maps table to 1499 * the UTF-8 encoding of the corresponding Windows character if any is 1500 * encountered in the filename. 1501 * 1502 * The translated name is returned in buf. 1503 * If an error occurs the conversion terminates and the original name 1504 * is returned in buf. 1505 */ 1506 void 1507 smb_vop_catia_v4tov5(char *name, char *buf, int buflen) 1508 { 1509 int v5_idx, numbytes; 1510 int space_left = buflen - 1; /* one byte reserved for null */ 1511 smb_wchar_t wc; 1512 char mbstring[MTS_MB_CHAR_MAX]; 1513 char *src = name, *dst = buf; 1514 1515 ASSERT(name); 1516 ASSERT(buf); 1517 1518 if (!buf || !name) 1519 return; 1520 1521 (void) bzero(buf, buflen); 1522 while (*src) { 1523 if (smb_isascii(*src)) { 1524 /* Lookup required */ 1525 v5_idx = (int)*src++; 1526 numbytes = smb_wctomb(mbstring, 1527 smb_catia_v5_lookup[v5_idx]); 1528 if (space_left < numbytes) 1529 break; 1530 (void) strncpy(dst, mbstring, numbytes); 1531 } else { 1532 if ((numbytes = smb_mbtowc(&wc, src, 1533 MTS_MB_CHAR_MAX)) < 0) 1534 break; 1535 if (space_left < numbytes) 1536 break; 1537 (void) strncpy(dst, src, numbytes); 1538 src += numbytes; 1539 } 1540 1541 dst += numbytes; 1542 space_left -= numbytes; 1543 } 1544 1545 if (*src) 1546 (void) strlcpy(buf, name, buflen); 1547 } 1548