1da6c28aaSamw /* 2da6c28aaSamw * CDDL HEADER START 3da6c28aaSamw * 4da6c28aaSamw * The contents of this file are subject to the terms of the 5da6c28aaSamw * Common Development and Distribution License (the "License"). 6da6c28aaSamw * You may not use this file except in compliance with the License. 7da6c28aaSamw * 8da6c28aaSamw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9da6c28aaSamw * or http://www.opensolaris.org/os/licensing. 10da6c28aaSamw * See the License for the specific language governing permissions 11da6c28aaSamw * and limitations under the License. 12da6c28aaSamw * 13da6c28aaSamw * When distributing Covered Code, include this CDDL HEADER in each 14da6c28aaSamw * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15da6c28aaSamw * If applicable, add the following below this CDDL HEADER, with the 16da6c28aaSamw * fields enclosed by brackets "[]" replaced with your own identifying 17da6c28aaSamw * information: Portions Copyright [yyyy] [name of copyright owner] 18da6c28aaSamw * 19da6c28aaSamw * CDDL HEADER END 20da6c28aaSamw */ 21da6c28aaSamw /* 22da6c28aaSamw * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23da6c28aaSamw * Use is subject to license terms. 24da6c28aaSamw */ 25da6c28aaSamw 26da6c28aaSamw #pragma ident "%Z%%M% %I% %E% SMI" 27da6c28aaSamw 28da6c28aaSamw #include <sys/types.h> 29da6c28aaSamw #include <sys/stat.h> 30da6c28aaSamw #include <sys/uio.h> 31da6c28aaSamw #include <sys/statvfs.h> 32da6c28aaSamw #include <sys/vnode.h> 33da6c28aaSamw #include <sys/thread.h> 34da6c28aaSamw #include <sys/pathname.h> 35da6c28aaSamw #include <sys/cred.h> 36da6c28aaSamw #include <sys/extdirent.h> 37*55bf511dSas 38da6c28aaSamw #include <smbsrv/smb_vops.h> 39da6c28aaSamw #include <smbsrv/string.h> 40*55bf511dSas 41da6c28aaSamw #include <smbsrv/smbtrans.h> 42da6c28aaSamw #include <smbsrv/smb_fsops.h> 43*55bf511dSas #include <smbsrv/smb_kproto.h> 44*55bf511dSas #include <smbsrv/smb_incl.h> 45*55bf511dSas 46da6c28aaSamw 47da6c28aaSamw static int 48da6c28aaSamw smb_vop_readdir_readpage(vnode_t *vp, void *buf, uint32_t offset, int *count, 49da6c28aaSamw cred_t *cr, caller_context_t *ct, int flags); 50da6c28aaSamw 51da6c28aaSamw static int 52da6c28aaSamw smb_vop_readdir_entry(vnode_t *dvp, uint32_t *cookiep, char *name, int *namelen, 53da6c28aaSamw ino64_t *inop, vnode_t **vpp, char *od_name, int flags, cred_t *cr, 54da6c28aaSamw caller_context_t *ct, char *dirbuf, int num_bytes); 55da6c28aaSamw 56da6c28aaSamw static int 57da6c28aaSamw smb_vop_getdents_entries(smb_node_t *dir_snode, uint32_t *cookiep, 58da6c28aaSamw int32_t *dircountp, char *arg, uint32_t flags, struct smb_request *sr, 59da6c28aaSamw cred_t *cr, caller_context_t *ct, char *dirbuf, int *maxentries, 60da6c28aaSamw int num_bytes, char *); 61da6c28aaSamw 62da6c28aaSamw extern int 63da6c28aaSamw smb_gather_dents_info(char *args, ino_t fileid, int namelen, 64da6c28aaSamw char *name, uint32_t cookie, int32_t *countp, 65da6c28aaSamw smb_attr_t *attr, struct smb_node *snode, 66da6c28aaSamw char *shortname, char *name83); 67da6c28aaSamw 68da6c28aaSamw static void 69da6c28aaSamw smb_sa_to_va_mask(uint_t sa_mask, uint_t *va_maskp); 70da6c28aaSamw 71da6c28aaSamw #define SMB_AT_MAX 16 72da6c28aaSamw static uint_t smb_attrmap[SMB_AT_MAX] = { 73da6c28aaSamw 0, 74da6c28aaSamw AT_TYPE, 75da6c28aaSamw AT_MODE, 76da6c28aaSamw AT_UID, 77da6c28aaSamw AT_GID, 78da6c28aaSamw AT_FSID, 79da6c28aaSamw AT_NODEID, 80da6c28aaSamw AT_NLINK, 81da6c28aaSamw AT_SIZE, 82da6c28aaSamw AT_ATIME, 83da6c28aaSamw AT_MTIME, 84da6c28aaSamw AT_CTIME, 85da6c28aaSamw AT_RDEV, 86da6c28aaSamw AT_BLKSIZE, 87da6c28aaSamw AT_NBLOCKS, 88da6c28aaSamw AT_SEQ 89da6c28aaSamw }; 90da6c28aaSamw 91da6c28aaSamw int 92da6c28aaSamw smb_vop_open(vnode_t **vpp, int mode, cred_t *cred, caller_context_t *ct) 93da6c28aaSamw { 94da6c28aaSamw return (VOP_OPEN(vpp, mode, cred, ct)); 95da6c28aaSamw } 96da6c28aaSamw 97da6c28aaSamw int 98da6c28aaSamw smb_vop_close(vnode_t *vp, int mode, cred_t *cred, caller_context_t *ct) 99da6c28aaSamw { 100da6c28aaSamw return (VOP_CLOSE(vp, mode, 1, (offset_t)0, cred, ct)); 101da6c28aaSamw } 102da6c28aaSamw 103da6c28aaSamw /* 104da6c28aaSamw * The smb_vop_* functions have minimal knowledge of CIFS semantics and 105da6c28aaSamw * serve as an interface to the VFS layer. 106da6c28aaSamw * 107da6c28aaSamw * Only smb_fsop_* layer functions should call smb_vop_* layer functions. 108da6c28aaSamw * (Higher-level CIFS service code should never skip the smb_fsop_* layer 109da6c28aaSamw * to call smb_vop_* layer functions directly.) 110da6c28aaSamw */ 111da6c28aaSamw 112da6c28aaSamw /* 113da6c28aaSamw * XXX - Extended attributes support in the file system assumed. 114da6c28aaSamw * This is needed for full NT Streams functionality. 115da6c28aaSamw */ 116da6c28aaSamw 117da6c28aaSamw int 118da6c28aaSamw smb_vop_read(vnode_t *vp, uio_t *uiop, cred_t *cr, caller_context_t *ct) 119da6c28aaSamw { 120da6c28aaSamw int error; 121da6c28aaSamw 122da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, NULL); 123da6c28aaSamw error = VOP_READ(vp, uiop, 0, cr, ct); 124da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, NULL); 125da6c28aaSamw return (error); 126da6c28aaSamw } 127da6c28aaSamw 128da6c28aaSamw int 129da6c28aaSamw smb_vop_write(vnode_t *vp, uio_t *uiop, uint32_t *flag, uint32_t *lcount, 130da6c28aaSamw cred_t *cr, caller_context_t *ct) 131da6c28aaSamw { 132da6c28aaSamw int error; 133da6c28aaSamw int ioflag = 0; 134da6c28aaSamw 135da6c28aaSamw *lcount = uiop->uio_resid; 136da6c28aaSamw 137da6c28aaSamw if (*flag == FSSTAB_FILE_SYNC) 138da6c28aaSamw ioflag = FSYNC; 139da6c28aaSamw 140da6c28aaSamw uiop->uio_llimit = MAXOFFSET_T; 141da6c28aaSamw 142da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, NULL); 143da6c28aaSamw error = VOP_WRITE(vp, uiop, ioflag, cr, ct); 144da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, NULL); 145da6c28aaSamw 146da6c28aaSamw *lcount -= uiop->uio_resid; 147da6c28aaSamw 148da6c28aaSamw return (error); 149da6c28aaSamw } 150da6c28aaSamw 151da6c28aaSamw /* 152da6c28aaSamw * smb_vop_getattr() 153da6c28aaSamw * 154da6c28aaSamw * smb_fsop_getattr()/smb_vop_getattr() should always be called from the CIFS 155da6c28aaSamw * service (instead of calling VOP_GETATTR directly) to retrieve attributes 156da6c28aaSamw * due to special processing needed for streams files. 157da6c28aaSamw * 158da6c28aaSamw * All attributes are retrieved. 159da6c28aaSamw * 160da6c28aaSamw * A named stream's attributes (as far as CIFS is concerned) are those of the 161da6c28aaSamw * unnamed (i.e. data) stream (minus the size attribute), and the size of the 162da6c28aaSamw * named stream. Though the file system may store attributes other than size 163da6c28aaSamw * with the named stream, these should not be used by CIFS for any purpose. 164da6c28aaSamw * 165da6c28aaSamw * When vp denotes a named stream, then unnamed_vp should be passed in (denoting 166da6c28aaSamw * the corresponding unnamed stream). 167da6c28aaSamw */ 168da6c28aaSamw 169da6c28aaSamw int 170da6c28aaSamw smb_vop_getattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *ret_attr, 171da6c28aaSamw int flags, cred_t *cr, caller_context_t *ct) 172da6c28aaSamw { 173da6c28aaSamw int error; 174da6c28aaSamw vnode_t *use_vp; 175da6c28aaSamw smb_attr_t tmp_attr; 176da6c28aaSamw xvattr_t tmp_xvattr; 177da6c28aaSamw xoptattr_t *xoap = NULL; 178da6c28aaSamw 179da6c28aaSamw if (unnamed_vp) 180da6c28aaSamw use_vp = unnamed_vp; 181da6c28aaSamw else 182da6c28aaSamw use_vp = vp; 183da6c28aaSamw 184da6c28aaSamw if (vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) { 185da6c28aaSamw xva_init(&tmp_xvattr); 186da6c28aaSamw xoap = xva_getxoptattr(&tmp_xvattr); 187da6c28aaSamw 188da6c28aaSamw ASSERT(xoap); 189da6c28aaSamw 190da6c28aaSamw smb_sa_to_va_mask(ret_attr->sa_mask, 191da6c28aaSamw &tmp_xvattr.xva_vattr.va_mask); 192da6c28aaSamw 193da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_READONLY); 194da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_HIDDEN); 195da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_SYSTEM); 196da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_ARCHIVE); 197da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_CREATETIME); 198da6c28aaSamw 199da6c28aaSamw if ((error = VOP_GETATTR(use_vp, (vattr_t *)&tmp_xvattr, flags, 200da6c28aaSamw cr, ct)) != 0) 201da6c28aaSamw return (error); 202da6c28aaSamw 203da6c28aaSamw ret_attr->sa_vattr = tmp_xvattr.xva_vattr; 204da6c28aaSamw 205da6c28aaSamw /* 206da6c28aaSamw * Copy special attributes to ret_attr parameter 207da6c28aaSamw */ 208da6c28aaSamw 209da6c28aaSamw ret_attr->sa_dosattr = 0; 210da6c28aaSamw 211da6c28aaSamw ASSERT(tmp_xvattr.xva_vattr.va_mask & AT_XVATTR); 212da6c28aaSamw 213da6c28aaSamw xoap = xva_getxoptattr(&tmp_xvattr); 214da6c28aaSamw ASSERT(xoap); 215da6c28aaSamw 216da6c28aaSamw if (XVA_ISSET_RTN(&tmp_xvattr, XAT_READONLY)) { 217da6c28aaSamw if (xoap->xoa_readonly) 218da6c28aaSamw ret_attr->sa_dosattr |= FILE_ATTRIBUTE_READONLY; 219da6c28aaSamw } 220da6c28aaSamw 221da6c28aaSamw if (XVA_ISSET_RTN(&tmp_xvattr, XAT_HIDDEN)) { 222da6c28aaSamw if (xoap->xoa_hidden) 223da6c28aaSamw ret_attr->sa_dosattr |= FILE_ATTRIBUTE_HIDDEN; 224da6c28aaSamw } 225da6c28aaSamw 226da6c28aaSamw if (XVA_ISSET_RTN(&tmp_xvattr, XAT_SYSTEM)) { 227da6c28aaSamw if (xoap->xoa_system) 228da6c28aaSamw ret_attr->sa_dosattr |= FILE_ATTRIBUTE_SYSTEM; 229da6c28aaSamw } 230da6c28aaSamw 231da6c28aaSamw if (XVA_ISSET_RTN(&tmp_xvattr, XAT_ARCHIVE)) { 232da6c28aaSamw if (xoap->xoa_archive) 233da6c28aaSamw ret_attr->sa_dosattr |= FILE_ATTRIBUTE_ARCHIVE; 234da6c28aaSamw } 235da6c28aaSamw 236da6c28aaSamw ret_attr->sa_crtime = xoap->xoa_createtime; 237da6c28aaSamw 238da6c28aaSamw if (unnamed_vp && (ret_attr->sa_mask & SMB_AT_SIZE)) { 239da6c28aaSamw /* 240da6c28aaSamw * Retrieve stream size attribute into temporary 241da6c28aaSamw * structure, in case the underlying file system 242da6c28aaSamw * returns attributes other than the size (we do not 243da6c28aaSamw * want to have ret_attr's other fields get 244da6c28aaSamw * overwritten). 245da6c28aaSamw * 246da6c28aaSamw * Note that vp is used here, and not use_vp. 247da6c28aaSamw * Also, only AT_SIZE is needed. 248da6c28aaSamw */ 249da6c28aaSamw 250da6c28aaSamw tmp_xvattr.xva_vattr.va_mask = AT_SIZE; 251da6c28aaSamw 252da6c28aaSamw if ((error = VOP_GETATTR(vp, (vattr_t *)&tmp_xvattr, 253da6c28aaSamw flags, cr, ct)) != 0) 254da6c28aaSamw return (error); 255da6c28aaSamw 256da6c28aaSamw ret_attr->sa_vattr.va_size = 257da6c28aaSamw tmp_xvattr.xva_vattr.va_size; 258da6c28aaSamw 259da6c28aaSamw } 260da6c28aaSamw 261da6c28aaSamw if (ret_attr->sa_vattr.va_type == VDIR) { 262da6c28aaSamw ret_attr->sa_dosattr |= FILE_ATTRIBUTE_DIRECTORY; 263da6c28aaSamw } 264da6c28aaSamw 265da6c28aaSamw return (error); 266da6c28aaSamw } 267da6c28aaSamw 268da6c28aaSamw /* 269da6c28aaSamw * Support for file systems without VFSFT_XVATTR 270da6c28aaSamw */ 271da6c28aaSamw 272da6c28aaSamw smb_sa_to_va_mask(ret_attr->sa_mask, 273da6c28aaSamw &ret_attr->sa_vattr.va_mask); 274da6c28aaSamw 275da6c28aaSamw error = VOP_GETATTR(use_vp, &ret_attr->sa_vattr, flags, cr, ct); 276da6c28aaSamw 277da6c28aaSamw if (error != 0) 278da6c28aaSamw return (error); 279da6c28aaSamw 280da6c28aaSamw /* 281da6c28aaSamw * "Fake" DOS attributes and create time, filesystem doesn't support 282da6c28aaSamw * them. 283da6c28aaSamw */ 284da6c28aaSamw 285da6c28aaSamw ret_attr->sa_dosattr = 0; 286da6c28aaSamw ret_attr->sa_crtime = ret_attr->sa_vattr.va_ctime; 287da6c28aaSamw 288da6c28aaSamw if (unnamed_vp && (ret_attr->sa_mask & SMB_AT_SIZE)) { 289da6c28aaSamw /* 290da6c28aaSamw * Retrieve stream size attribute into temporary structure, 291da6c28aaSamw * in case the underlying file system returns attributes 292da6c28aaSamw * other than the size (we do not want to have ret_attr's 293da6c28aaSamw * other fields get overwritten). 294da6c28aaSamw * 295da6c28aaSamw * Note that vp is used here, and not use_vp. 296da6c28aaSamw * Also, only AT_SIZE is needed. 297da6c28aaSamw */ 298da6c28aaSamw 299da6c28aaSamw tmp_attr.sa_vattr.va_mask = AT_SIZE; 300da6c28aaSamw error = VOP_GETATTR(vp, &tmp_attr.sa_vattr, flags, cr, ct); 301da6c28aaSamw 302da6c28aaSamw if (error != 0) 303da6c28aaSamw return (error); 304da6c28aaSamw 305da6c28aaSamw 306da6c28aaSamw ret_attr->sa_vattr.va_size = tmp_attr.sa_vattr.va_size; 307da6c28aaSamw } 308da6c28aaSamw 309da6c28aaSamw if (ret_attr->sa_vattr.va_type == VDIR) { 310da6c28aaSamw ret_attr->sa_dosattr |= FILE_ATTRIBUTE_DIRECTORY; 311da6c28aaSamw } 312da6c28aaSamw 313da6c28aaSamw return (error); 314da6c28aaSamw } 315da6c28aaSamw 316da6c28aaSamw /* 317da6c28aaSamw * smb_vop_setattr() 318da6c28aaSamw * 319da6c28aaSamw * smb_fsop_setattr()/smb_vop_setattr() should always be called from the CIFS 320da6c28aaSamw * service to set attributes due to special processing for streams files. 321da6c28aaSamw * 322da6c28aaSamw * When smb_vop_setattr() is called on a named stream file, all indicated 323da6c28aaSamw * attributes except the size are set on the unnamed stream file. The size 324da6c28aaSamw * (if indicated) is set on the named stream file. 325da6c28aaSamw */ 326da6c28aaSamw 327da6c28aaSamw int 328da6c28aaSamw smb_vop_setattr(vnode_t *vp, vnode_t *unnamed_vp, smb_attr_t *set_attr, 329*55bf511dSas int flags, cred_t *cr, boolean_t no_xvattr, caller_context_t *ct) 330da6c28aaSamw { 331da6c28aaSamw int error = 0; 332da6c28aaSamw int at_size = 0; 333da6c28aaSamw vnode_t *use_vp; 334da6c28aaSamw xvattr_t tmp_xvattr; 335da6c28aaSamw xoptattr_t *xoap = NULL; 336da6c28aaSamw uint_t xva_mask; 337da6c28aaSamw 338da6c28aaSamw if (unnamed_vp) { 339da6c28aaSamw use_vp = unnamed_vp; 340da6c28aaSamw if (set_attr->sa_mask & SMB_AT_SIZE) { 341da6c28aaSamw at_size = 1; 342da6c28aaSamw set_attr->sa_mask &= ~SMB_AT_SIZE; 343da6c28aaSamw } 344da6c28aaSamw } else { 345da6c28aaSamw use_vp = vp; 346da6c28aaSamw } 347da6c28aaSamw 348da6c28aaSamw /* 349da6c28aaSamw * The caller should not be setting sa_vattr.va_mask, 350da6c28aaSamw * but rather sa_mask. 351da6c28aaSamw */ 352da6c28aaSamw 353da6c28aaSamw set_attr->sa_vattr.va_mask = 0; 354da6c28aaSamw 355*55bf511dSas if ((no_xvattr == B_FALSE) && 356*55bf511dSas vfs_has_feature(use_vp->v_vfsp, VFSFT_XVATTR)) { 357da6c28aaSamw /* 358da6c28aaSamw * Initialize xvattr, including bzero 359da6c28aaSamw */ 360da6c28aaSamw xva_init(&tmp_xvattr); 361da6c28aaSamw xoap = xva_getxoptattr(&tmp_xvattr); 362da6c28aaSamw 363da6c28aaSamw ASSERT(xoap); 364da6c28aaSamw 365da6c28aaSamw /* 366da6c28aaSamw * Copy caller-specified classic attributes to tmp_xvattr. 367*55bf511dSas * First save tmp_xvattr's mask (set in xva_init()), which 368*55bf511dSas * contains AT_XVATTR. This is |'d in later if needed. 369da6c28aaSamw */ 370da6c28aaSamw 371da6c28aaSamw xva_mask = tmp_xvattr.xva_vattr.va_mask; 372da6c28aaSamw tmp_xvattr.xva_vattr = set_attr->sa_vattr; 373da6c28aaSamw 374da6c28aaSamw smb_sa_to_va_mask(set_attr->sa_mask, 375da6c28aaSamw &tmp_xvattr.xva_vattr.va_mask); 376da6c28aaSamw 377da6c28aaSamw /* 378*55bf511dSas * Do not set ctime (only the file system can do it) 379da6c28aaSamw */ 380da6c28aaSamw 381*55bf511dSas tmp_xvattr.xva_vattr.va_mask &= ~AT_CTIME; 382da6c28aaSamw 383da6c28aaSamw if (set_attr->sa_mask & SMB_AT_DOSATTR) { 384*55bf511dSas 385*55bf511dSas /* 386*55bf511dSas * "|" in the original xva_mask, which contains 387*55bf511dSas * AT_XVATTR 388*55bf511dSas */ 389*55bf511dSas 390*55bf511dSas tmp_xvattr.xva_vattr.va_mask |= xva_mask; 391*55bf511dSas 392da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_ARCHIVE); 393da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_SYSTEM); 394da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_READONLY); 395da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_HIDDEN); 396da6c28aaSamw 397da6c28aaSamw /* 398da6c28aaSamw * set_attr->sa_dosattr: If a given bit is not set, 399da6c28aaSamw * that indicates that the corresponding field needs 400da6c28aaSamw * to be updated with a "0" value. This is done 401da6c28aaSamw * implicitly as the xoap->xoa_* fields were bzero'd. 402da6c28aaSamw */ 403da6c28aaSamw 404da6c28aaSamw if (set_attr->sa_dosattr & FILE_ATTRIBUTE_ARCHIVE) 405da6c28aaSamw xoap->xoa_archive = 1; 406da6c28aaSamw 407da6c28aaSamw if (set_attr->sa_dosattr & FILE_ATTRIBUTE_SYSTEM) 408da6c28aaSamw xoap->xoa_system = 1; 409da6c28aaSamw 410da6c28aaSamw if (set_attr->sa_dosattr & FILE_ATTRIBUTE_READONLY) 411da6c28aaSamw xoap->xoa_readonly = 1; 412da6c28aaSamw 413da6c28aaSamw if (set_attr->sa_dosattr & FILE_ATTRIBUTE_HIDDEN) 414da6c28aaSamw xoap->xoa_hidden = 1; 415da6c28aaSamw } 416da6c28aaSamw 417da6c28aaSamw if (set_attr->sa_mask & SMB_AT_CRTIME) { 418*55bf511dSas /* 419*55bf511dSas * "|" in the original xva_mask, which contains 420*55bf511dSas * AT_XVATTR 421*55bf511dSas */ 422*55bf511dSas 423*55bf511dSas tmp_xvattr.xva_vattr.va_mask |= xva_mask; 424da6c28aaSamw XVA_SET_REQ(&tmp_xvattr, XAT_CREATETIME); 425da6c28aaSamw xoap->xoa_createtime = set_attr->sa_crtime; 426da6c28aaSamw } 427da6c28aaSamw 428da6c28aaSamw if ((error = VOP_SETATTR(use_vp, (vattr_t *)&tmp_xvattr, flags, 429da6c28aaSamw cr, ct)) != 0) 430da6c28aaSamw return (error); 431da6c28aaSamw 432da6c28aaSamw /* 433da6c28aaSamw * If the size of the stream needs to be set, set it on 434da6c28aaSamw * the stream file directly. (All other indicated attributes 435da6c28aaSamw * are set on the stream's unnamed stream, above.) 436da6c28aaSamw */ 437da6c28aaSamw 438da6c28aaSamw if (at_size) { 439da6c28aaSamw /* 440da6c28aaSamw * set_attr->sa_vattr.va_size already contains the 441da6c28aaSamw * size as set by the caller 442da6c28aaSamw * 443da6c28aaSamw * Note that vp is used here, and not use_vp. 444da6c28aaSamw * Also, only AT_SIZE is needed. 445da6c28aaSamw */ 446da6c28aaSamw 447da6c28aaSamw set_attr->sa_vattr.va_mask = AT_SIZE; 448da6c28aaSamw error = VOP_SETATTR(vp, &set_attr->sa_vattr, flags, 449da6c28aaSamw cr, ct); 450da6c28aaSamw } 451da6c28aaSamw return (error); 452da6c28aaSamw } 453da6c28aaSamw /* 454*55bf511dSas * Support for file systems without VFSFT_XVATTR or no_xvattr == B_TRUE 455da6c28aaSamw */ 456da6c28aaSamw smb_sa_to_va_mask(set_attr->sa_mask, &set_attr->sa_vattr.va_mask); 457da6c28aaSamw /* 458da6c28aaSamw * set_attr->sa_vattr already contains new values 459da6c28aaSamw * as set by the caller 460da6c28aaSamw */ 461da6c28aaSamw 462da6c28aaSamw error = VOP_SETATTR(use_vp, &set_attr->sa_vattr, flags, cr, ct); 463da6c28aaSamw 464da6c28aaSamw if (error != 0) 465da6c28aaSamw return (error); 466da6c28aaSamw 467da6c28aaSamw if (at_size) { 468da6c28aaSamw /* 469da6c28aaSamw * set_attr->sa_vattr.va_size already contains the 470da6c28aaSamw * size as set by the caller 471da6c28aaSamw * 472da6c28aaSamw * Note that vp is used here, and not use_vp. 473da6c28aaSamw * Also, only AT_SIZE is needed. 474da6c28aaSamw */ 475da6c28aaSamw 476da6c28aaSamw set_attr->sa_vattr.va_mask = AT_SIZE; 477da6c28aaSamw error = VOP_SETATTR(vp, &set_attr->sa_vattr, flags, cr, ct); 478da6c28aaSamw } 479da6c28aaSamw return (error); 480da6c28aaSamw } 481da6c28aaSamw 482da6c28aaSamw /* 483da6c28aaSamw * smb_vop_access 484da6c28aaSamw * 485da6c28aaSamw * This is a wrapper round VOP_ACCESS. VOP_ACCESS checks the given mode 486da6c28aaSamw * against file's ACL or Unix permissions. CIFS on the other hand needs to 487da6c28aaSamw * know if the requested operation can succeed for the given object, this 488da6c28aaSamw * requires more checks in case of DELETE bit since permissions on the parent 489da6c28aaSamw * directory are important as well. Based on Windows rules if parent's ACL 490da6c28aaSamw * grant FILE_DELETE_CHILD a file can be delete regardless of the file's 491da6c28aaSamw * permissions. 492da6c28aaSamw */ 493da6c28aaSamw int 494da6c28aaSamw smb_vop_access(vnode_t *vp, int mode, int flags, vnode_t *dir_vp, cred_t *cr) 495da6c28aaSamw { 496da6c28aaSamw int error = 0; 497da6c28aaSamw 498da6c28aaSamw if (mode == 0) 499da6c28aaSamw return (0); 500da6c28aaSamw 501da6c28aaSamw if ((flags == V_ACE_MASK) && (mode & ACE_DELETE)) { 502da6c28aaSamw if (dir_vp) { 503da6c28aaSamw error = VOP_ACCESS(dir_vp, ACE_DELETE_CHILD, flags, 504da6c28aaSamw cr, NULL); 505da6c28aaSamw 506da6c28aaSamw if (error == 0) 507da6c28aaSamw mode &= ~ACE_DELETE; 508da6c28aaSamw } 509da6c28aaSamw } 510da6c28aaSamw 511da6c28aaSamw if (mode) { 512da6c28aaSamw error = VOP_ACCESS(vp, mode, flags, cr, NULL); 513da6c28aaSamw } 514da6c28aaSamw 515da6c28aaSamw return (error); 516da6c28aaSamw } 517da6c28aaSamw 518da6c28aaSamw /* 519da6c28aaSamw * smb_vop_lookup 520da6c28aaSamw * 521da6c28aaSamw * dvp: directory vnode (in) 522da6c28aaSamw * name: name of file to be looked up (in) 523da6c28aaSamw * vpp: looked-up vnode (out) 524da6c28aaSamw * od_name: on-disk name of file (out). 525da6c28aaSamw * This parameter is optional. If a pointer is passed in, it 526da6c28aaSamw * must be allocated with MAXNAMELEN bytes 527da6c28aaSamw * rootvp: vnode of the tree root (in) 528da6c28aaSamw * This parameter is always passed in non-NULL except at the time 529da6c28aaSamw * of share set up. 530da6c28aaSamw */ 531da6c28aaSamw 532da6c28aaSamw int 533da6c28aaSamw smb_vop_lookup(vnode_t *dvp, char *name, vnode_t **vpp, char *od_name, 534da6c28aaSamw int flags, vnode_t *rootvp, cred_t *cr, caller_context_t *ct) 535da6c28aaSamw { 536da6c28aaSamw int error = 0; 537da6c28aaSamw int option_flags = 0; 538da6c28aaSamw pathname_t rpn; 539da6c28aaSamw 540da6c28aaSamw if (*name == '\0') 541da6c28aaSamw return (EINVAL); 542da6c28aaSamw 543da6c28aaSamw ASSERT(vpp); 544da6c28aaSamw *vpp = NULL; 545da6c28aaSamw 546da6c28aaSamw if ((name[0] == '.') && (name[1] == '.') && (name[2] == 0)) { 547da6c28aaSamw if (rootvp && (dvp == rootvp)) { 548da6c28aaSamw VN_HOLD(dvp); 549da6c28aaSamw *vpp = dvp; 550da6c28aaSamw return (0); 551da6c28aaSamw } 552da6c28aaSamw 553da6c28aaSamw if (dvp->v_flag & VROOT) { 554da6c28aaSamw vfs_t *vfsp; 555da6c28aaSamw vnode_t *cvp = dvp; 556da6c28aaSamw 557da6c28aaSamw /* 558da6c28aaSamw * Set dvp and check for races with forced unmount 559da6c28aaSamw * (see lookuppnvp()) 560da6c28aaSamw */ 561da6c28aaSamw 562da6c28aaSamw vfsp = cvp->v_vfsp; 563da6c28aaSamw vfs_rlock_wait(vfsp); 564da6c28aaSamw if (((dvp = cvp->v_vfsp->vfs_vnodecovered) == NULL) || 565da6c28aaSamw (cvp->v_vfsp->vfs_flag & VFS_UNMOUNTED)) { 566da6c28aaSamw vfs_unlock(vfsp); 567da6c28aaSamw return (EIO); 568da6c28aaSamw } 569da6c28aaSamw vfs_unlock(vfsp); 570da6c28aaSamw } 571da6c28aaSamw } 572da6c28aaSamw 573da6c28aaSamw 574da6c28aaSamw 575da6c28aaSamw if (flags & SMB_IGNORE_CASE) 576da6c28aaSamw option_flags = FIGNORECASE; 577da6c28aaSamw 578da6c28aaSamw pn_alloc(&rpn); 579da6c28aaSamw 580da6c28aaSamw error = VOP_LOOKUP(dvp, name, vpp, NULL, option_flags, NULL, cr, 581da6c28aaSamw ct, NULL, &rpn); 582da6c28aaSamw 583da6c28aaSamw if ((error == 0) && od_name) { 584da6c28aaSamw bzero(od_name, MAXNAMELEN); 585da6c28aaSamw if (option_flags == FIGNORECASE) 586da6c28aaSamw (void) strlcpy(od_name, rpn.pn_buf, MAXNAMELEN); 587da6c28aaSamw else 588da6c28aaSamw (void) strlcpy(od_name, name, MAXNAMELEN); 589da6c28aaSamw } 590da6c28aaSamw 591da6c28aaSamw pn_free(&rpn); 592da6c28aaSamw return (error); 593da6c28aaSamw } 594da6c28aaSamw 595da6c28aaSamw int 596da6c28aaSamw smb_vop_create(vnode_t *dvp, char *name, smb_attr_t *attr, vnode_t **vpp, 597da6c28aaSamw int flags, cred_t *cr, caller_context_t *ct, vsecattr_t *vsap) 598da6c28aaSamw { 599da6c28aaSamw int error; 600da6c28aaSamw int option_flags = 0; 601da6c28aaSamw 602da6c28aaSamw if (flags & SMB_IGNORE_CASE) 603da6c28aaSamw option_flags = FIGNORECASE; 604da6c28aaSamw 605da6c28aaSamw smb_sa_to_va_mask(attr->sa_mask, &attr->sa_vattr.va_mask); 606da6c28aaSamw 607da6c28aaSamw error = VOP_CREATE(dvp, name, &attr->sa_vattr, EXCL, 608da6c28aaSamw attr->sa_vattr.va_mode, vpp, cr, option_flags, ct, vsap); 609da6c28aaSamw 610da6c28aaSamw return (error); 611da6c28aaSamw } 612da6c28aaSamw 613da6c28aaSamw int 614da6c28aaSamw smb_vop_remove(vnode_t *dvp, char *name, int flags, cred_t *cr, 615da6c28aaSamw caller_context_t *ct) 616da6c28aaSamw { 617da6c28aaSamw int error; 618da6c28aaSamw int option_flags = 0; 619da6c28aaSamw 620da6c28aaSamw if (flags & SMB_IGNORE_CASE) 621da6c28aaSamw option_flags = FIGNORECASE; 622da6c28aaSamw 623da6c28aaSamw error = VOP_REMOVE(dvp, name, cr, ct, option_flags); 624da6c28aaSamw 625da6c28aaSamw return (error); 626da6c28aaSamw } 627da6c28aaSamw 628da6c28aaSamw /* 629da6c28aaSamw * smb_vop_rename() 630da6c28aaSamw * 631da6c28aaSamw * The rename is for files in the same tree (identical TID) only. 632da6c28aaSamw */ 633da6c28aaSamw 634da6c28aaSamw int 635da6c28aaSamw smb_vop_rename(vnode_t *from_dvp, char *from_name, vnode_t *to_dvp, 636da6c28aaSamw char *to_name, int flags, cred_t *cr, caller_context_t *ct) 637da6c28aaSamw { 638da6c28aaSamw int error; 639da6c28aaSamw int option_flags = 0; 640da6c28aaSamw 641da6c28aaSamw 642da6c28aaSamw if (flags & SMB_IGNORE_CASE) 643da6c28aaSamw option_flags = FIGNORECASE; 644da6c28aaSamw 645da6c28aaSamw error = VOP_RENAME(from_dvp, from_name, to_dvp, to_name, cr, 646da6c28aaSamw ct, option_flags); 647da6c28aaSamw 648da6c28aaSamw return (error); 649da6c28aaSamw } 650da6c28aaSamw 651da6c28aaSamw int 652da6c28aaSamw smb_vop_mkdir(vnode_t *dvp, char *name, smb_attr_t *attr, vnode_t **vpp, 653da6c28aaSamw int flags, cred_t *cr, caller_context_t *ct, vsecattr_t *vsap) 654da6c28aaSamw { 655da6c28aaSamw int error; 656da6c28aaSamw int option_flags = 0; 657da6c28aaSamw 658da6c28aaSamw 659da6c28aaSamw 660da6c28aaSamw if (flags & SMB_IGNORE_CASE) 661da6c28aaSamw option_flags = FIGNORECASE; 662da6c28aaSamw 663da6c28aaSamw smb_sa_to_va_mask(attr->sa_mask, &attr->sa_vattr.va_mask); 664da6c28aaSamw 665da6c28aaSamw error = VOP_MKDIR(dvp, name, &attr->sa_vattr, vpp, cr, ct, 666da6c28aaSamw option_flags, vsap); 667da6c28aaSamw 668da6c28aaSamw return (error); 669da6c28aaSamw } 670da6c28aaSamw 671da6c28aaSamw /* 672da6c28aaSamw * smb_vop_rmdir() 673da6c28aaSamw * 674da6c28aaSamw * Only simple rmdir supported, consistent with NT semantics 675da6c28aaSamw * (can only remove an empty directory). 676da6c28aaSamw * 677da6c28aaSamw */ 678da6c28aaSamw 679da6c28aaSamw int 680da6c28aaSamw smb_vop_rmdir(vnode_t *dvp, char *name, int flags, cred_t *cr, 681da6c28aaSamw caller_context_t *ct) 682da6c28aaSamw { 683da6c28aaSamw int error; 684da6c28aaSamw int option_flags = 0; 685da6c28aaSamw 686da6c28aaSamw if (flags & SMB_IGNORE_CASE) 687da6c28aaSamw option_flags = FIGNORECASE; 688da6c28aaSamw 689da6c28aaSamw /* 690da6c28aaSamw * Comments adapted from rfs_rmdir(). 691da6c28aaSamw * 692da6c28aaSamw * VOP_RMDIR now takes a new third argument (the current 693da6c28aaSamw * directory of the process). That's because rmdir 694da6c28aaSamw * wants to return EINVAL if one tries to remove ".". 695da6c28aaSamw * Of course, SMB servers do not know what their 696da6c28aaSamw * clients' current directories are. We fake it by 697da6c28aaSamw * supplying a vnode known to exist and illegal to 698da6c28aaSamw * remove. 699da6c28aaSamw */ 700da6c28aaSamw 701da6c28aaSamw error = VOP_RMDIR(dvp, name, rootdir, cr, ct, option_flags); 702da6c28aaSamw return (error); 703da6c28aaSamw } 704da6c28aaSamw 705da6c28aaSamw int 706da6c28aaSamw smb_vop_commit(vnode_t *vp, cred_t *cr, caller_context_t *ct) 707da6c28aaSamw { 708da6c28aaSamw return (VOP_FSYNC(vp, 1, cr, ct)); 709da6c28aaSamw } 710da6c28aaSamw 711da6c28aaSamw /* 712da6c28aaSamw * smb_vop_readdir() 713da6c28aaSamw * 714da6c28aaSamw * Upon return, the "name" field will contain either the on-disk name or, if 715da6c28aaSamw * it needs mangling or has a case-insensitive collision, the mangled 716da6c28aaSamw * "shortname." 717da6c28aaSamw * 718da6c28aaSamw * vpp is an optional parameter. If non-NULL, it will contain a pointer to 719da6c28aaSamw * the vnode for the name that is looked up (the vnode will be returned held). 720da6c28aaSamw * 721da6c28aaSamw * od_name is an optional parameter (NULL can be passed if the on-disk name 722da6c28aaSamw * is not needed by the caller). 723da6c28aaSamw */ 724da6c28aaSamw 725da6c28aaSamw int 726da6c28aaSamw smb_vop_readdir(vnode_t *dvp, uint32_t *cookiep, char *name, int *namelen, 727da6c28aaSamw ino64_t *inop, vnode_t **vpp, char *od_name, int flags, cred_t *cr, 728da6c28aaSamw caller_context_t *ct) 729da6c28aaSamw { 730da6c28aaSamw int num_bytes; 731da6c28aaSamw int error = 0; 732da6c28aaSamw char *dirbuf = NULL; 733da6c28aaSamw 734da6c28aaSamw ASSERT(dvp); 735da6c28aaSamw ASSERT(cookiep); 736da6c28aaSamw ASSERT(name); 737da6c28aaSamw ASSERT(namelen); 738da6c28aaSamw ASSERT(inop); 739da6c28aaSamw ASSERT(cr); 740da6c28aaSamw ASSERT(ct); 741da6c28aaSamw 742da6c28aaSamw if (dvp->v_type != VDIR) { 743da6c28aaSamw *namelen = 0; 744da6c28aaSamw return (ENOTDIR); 745da6c28aaSamw } 746da6c28aaSamw 747da6c28aaSamw if (vpp) 748da6c28aaSamw *vpp = NULL; 749da6c28aaSamw 750da6c28aaSamw dirbuf = kmem_zalloc(SMB_MINLEN_RDDIR_BUF, KM_SLEEP); 751da6c28aaSamw num_bytes = SMB_MINLEN_RDDIR_BUF; 752da6c28aaSamw 753da6c28aaSamw /* 754da6c28aaSamw * The goal is to retrieve the first valid entry from *cookiep 755da6c28aaSamw * forward. smb_vop_readdir_readpage() collects an 756da6c28aaSamw * SMB_MINLEN_RDDIR_BUF-size "page" of directory entry information. 757da6c28aaSamw * smb_vop_readdir_entry() attempts to find the first valid entry 758da6c28aaSamw * in that page. 759da6c28aaSamw */ 760da6c28aaSamw 761da6c28aaSamw while ((error = smb_vop_readdir_readpage(dvp, dirbuf, *cookiep, 762da6c28aaSamw &num_bytes, cr, ct, flags)) == 0) { 763da6c28aaSamw 764da6c28aaSamw if (num_bytes <= 0) 765da6c28aaSamw break; 766da6c28aaSamw 767da6c28aaSamw name[0] = '\0'; 768da6c28aaSamw 769da6c28aaSamw error = smb_vop_readdir_entry(dvp, cookiep, name, namelen, 770da6c28aaSamw inop, vpp, od_name, flags, cr, ct, dirbuf, 771da6c28aaSamw num_bytes); 772da6c28aaSamw 773da6c28aaSamw if (error) 774da6c28aaSamw break; 775da6c28aaSamw 776da6c28aaSamw if (*name) 777da6c28aaSamw break; 778da6c28aaSamw 779da6c28aaSamw bzero(dirbuf, SMB_MINLEN_RDDIR_BUF); 780da6c28aaSamw num_bytes = SMB_MINLEN_RDDIR_BUF; 781da6c28aaSamw } 782da6c28aaSamw 783da6c28aaSamw 784da6c28aaSamw if (error) { 785da6c28aaSamw kmem_free(dirbuf, SMB_MINLEN_RDDIR_BUF); 786da6c28aaSamw *namelen = 0; 787da6c28aaSamw return (error); 788da6c28aaSamw } 789da6c28aaSamw 790da6c28aaSamw if (num_bytes == 0) { /* EOF */ 791da6c28aaSamw kmem_free(dirbuf, SMB_MINLEN_RDDIR_BUF); 792da6c28aaSamw *cookiep = SMB_EOF; 793da6c28aaSamw *namelen = 0; 794da6c28aaSamw return (0); 795da6c28aaSamw } 796da6c28aaSamw 797da6c28aaSamw kmem_free(dirbuf, SMB_MINLEN_RDDIR_BUF); 798da6c28aaSamw return (0); 799da6c28aaSamw } 800da6c28aaSamw 801da6c28aaSamw /* 802da6c28aaSamw * smb_vop_readdir_readpage() 803da6c28aaSamw * 804da6c28aaSamw * Collects an SMB_MINLEN_RDDIR_BUF "page" of directory entries. (The 805da6c28aaSamw * directory entries are returned in an fs-independent format by the 806da6c28aaSamw * underlying file system. That is, the "page" of information returned is 807da6c28aaSamw * not literally stored on-disk in the format returned.) 808da6c28aaSamw * 809da6c28aaSamw * Much of the following is borrowed from getdents64() 810da6c28aaSamw * 811da6c28aaSamw * MAXGETDENTS_SIZE is defined in getdents.c 812da6c28aaSamw */ 813da6c28aaSamw 814da6c28aaSamw #define MAXGETDENTS_SIZE (64 * 1024) 815da6c28aaSamw 816da6c28aaSamw static int 817da6c28aaSamw smb_vop_readdir_readpage(vnode_t *vp, void *buf, uint32_t offset, int *count, 818da6c28aaSamw cred_t *cr, caller_context_t *ct, int flags) 819da6c28aaSamw { 820da6c28aaSamw int error = 0; 821da6c28aaSamw int rdirent_flags = 0; 822da6c28aaSamw int sink; 823da6c28aaSamw struct uio auio; 824da6c28aaSamw struct iovec aiov; 825da6c28aaSamw 826da6c28aaSamw if (vp->v_type != VDIR) 827da6c28aaSamw return (ENOTDIR); 828da6c28aaSamw 829da6c28aaSamw /* entflags not working for streams so don't try to use them */ 830da6c28aaSamw if (!(flags & SMB_STREAM_RDDIR) && 831da6c28aaSamw (vfs_has_feature(vp->v_vfsp, VFSFT_DIRENTFLAGS))) { 832da6c28aaSamw /* 833da6c28aaSamw * Setting V_RDDIR_ENTFLAGS will cause the buffer to 834da6c28aaSamw * be filled with edirent_t structures (instead of 835da6c28aaSamw * dirent64_t structures). 836da6c28aaSamw */ 837da6c28aaSamw rdirent_flags = V_RDDIR_ENTFLAGS; 838da6c28aaSamw 839da6c28aaSamw if (*count < sizeof (edirent_t)) 840da6c28aaSamw return (EINVAL); 841da6c28aaSamw } else { 842da6c28aaSamw if (*count < sizeof (dirent64_t)) 843da6c28aaSamw return (EINVAL); 844da6c28aaSamw } 845da6c28aaSamw 846da6c28aaSamw if (*count > MAXGETDENTS_SIZE) 847da6c28aaSamw *count = MAXGETDENTS_SIZE; 848da6c28aaSamw 849da6c28aaSamw aiov.iov_base = buf; 850da6c28aaSamw aiov.iov_len = *count; 851da6c28aaSamw auio.uio_iov = &aiov; 852da6c28aaSamw auio.uio_iovcnt = 1; 853da6c28aaSamw auio.uio_loffset = (uint64_t)offset; 854da6c28aaSamw auio.uio_segflg = UIO_SYSSPACE; 855da6c28aaSamw auio.uio_resid = *count; 856da6c28aaSamw auio.uio_fmode = 0; 857da6c28aaSamw 858da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, NULL); 859da6c28aaSamw error = VOP_READDIR(vp, &auio, cr, &sink, ct, rdirent_flags); 860da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, NULL); 861da6c28aaSamw 862da6c28aaSamw if (error) { 863da6c28aaSamw if (error == ENOENT) { 864da6c28aaSamw /* Fake EOF if offset is bad due to dropping of lock */ 865da6c28aaSamw *count = 0; 866da6c28aaSamw return (0); 867da6c28aaSamw } else { 868da6c28aaSamw return (error); 869da6c28aaSamw } 870da6c28aaSamw } 871da6c28aaSamw 872da6c28aaSamw /* 873da6c28aaSamw * Windows cannot handle an offset > SMB_EOF. 874da6c28aaSamw * Pretend we are at EOF. 875da6c28aaSamw */ 876da6c28aaSamw 877da6c28aaSamw if (auio.uio_loffset > SMB_EOF) { 878da6c28aaSamw *count = 0; 879da6c28aaSamw return (0); 880da6c28aaSamw } 881da6c28aaSamw 882da6c28aaSamw *count = *count - auio.uio_resid; 883da6c28aaSamw return (0); 884da6c28aaSamw } 885da6c28aaSamw 886da6c28aaSamw /* 887da6c28aaSamw * smb_vop_readdir_entry() 888da6c28aaSamw * 889da6c28aaSamw * This function retrieves the first valid entry from the 890da6c28aaSamw * SMB_MINLEN_RDDIR_BUF-sized buffer returned by smb_vop_readdir_readpage() 891da6c28aaSamw * to smb_vop_readdir(). 892da6c28aaSamw * 893da6c28aaSamw * Both dirent64_t and edirent_t structures need to be handled. The former is 894da6c28aaSamw * needed for file systems that do not support VFSFT_DIRENTFLAGS. The latter 895da6c28aaSamw * is required for proper handling of case collisions on file systems that 896da6c28aaSamw * support case-insensitivity. edirent_t structures are also used for 897da6c28aaSamw * case-sensitive file systems if VFSFT_DIRENTFLAGS is supported. 898da6c28aaSamw */ 899da6c28aaSamw 900da6c28aaSamw static int 901da6c28aaSamw smb_vop_readdir_entry(vnode_t *dvp, uint32_t *cookiep, char *name, int *namelen, 902da6c28aaSamw ino64_t *inop, vnode_t **vpp, char *od_name, int flags, cred_t *cr, 903da6c28aaSamw caller_context_t *ct, char *dirbuf, int num_bytes) 904da6c28aaSamw { 905da6c28aaSamw uint32_t next_cookie; 906da6c28aaSamw int ebufsize; 907da6c28aaSamw int error = 0; 908da6c28aaSamw int len; 909da6c28aaSamw int rc; 910da6c28aaSamw char shortname[MANGLE_NAMELEN]; 911da6c28aaSamw char name83[MANGLE_NAMELEN]; 912da6c28aaSamw char *ebuf = NULL; 913da6c28aaSamw edirent_t *edp; 914da6c28aaSamw dirent64_t *dp = NULL; 915da6c28aaSamw vnode_t *vp = NULL; 916da6c28aaSamw 917da6c28aaSamw ASSERT(dirbuf); 918da6c28aaSamw 919da6c28aaSamw /* 920da6c28aaSamw * Use edirent_t structure for both 921da6c28aaSamw * entflags not working for streams so don't try to use them 922da6c28aaSamw */ 923da6c28aaSamw if (!(flags & SMB_STREAM_RDDIR) && 924da6c28aaSamw (vfs_has_feature(dvp->v_vfsp, VFSFT_DIRENTFLAGS))) { 925da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 926da6c28aaSamw edp = (edirent_t *)dirbuf; 927da6c28aaSamw } else { 928da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 929da6c28aaSamw dp = (dirent64_t *)dirbuf; 930da6c28aaSamw ebufsize = EDIRENT_RECLEN(MAXNAMELEN); 931da6c28aaSamw ebuf = kmem_zalloc(ebufsize, KM_SLEEP); 932da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 933da6c28aaSamw edp = (edirent_t *)ebuf; 934da6c28aaSamw } 935da6c28aaSamw 936da6c28aaSamw while (edp) { 937da6c28aaSamw if (dp) 938da6c28aaSamw DP_TO_EDP(dp, edp); 939da6c28aaSamw 940da6c28aaSamw next_cookie = (uint32_t)edp->ed_off; 941da6c28aaSamw if (edp->ed_ino == 0) { 942da6c28aaSamw *cookiep = next_cookie; 943da6c28aaSamw 944da6c28aaSamw if (dp) { 945da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 946da6c28aaSamw DP_ADVANCE(dp, dirbuf, num_bytes); 947da6c28aaSamw if (dp == NULL) 948da6c28aaSamw edp = NULL; 949da6c28aaSamw } else { 950da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 951da6c28aaSamw EDP_ADVANCE(edp, dirbuf, num_bytes); 952da6c28aaSamw } 953da6c28aaSamw continue; 954da6c28aaSamw } 955da6c28aaSamw 956da6c28aaSamw len = strlen(edp->ed_name); 957da6c28aaSamw 958da6c28aaSamw if (*namelen < len) { 959da6c28aaSamw *namelen = 0; 960da6c28aaSamw 961da6c28aaSamw if (ebuf) 962da6c28aaSamw kmem_free(ebuf, ebufsize); 963da6c28aaSamw 964da6c28aaSamw return (EOVERFLOW); 965da6c28aaSamw } 966da6c28aaSamw 967da6c28aaSamw /* 968da6c28aaSamw * Do not pass SMB_IGNORE_CASE to smb_vop_lookup 969da6c28aaSamw */ 970da6c28aaSamw 971da6c28aaSamw error = smb_vop_lookup(dvp, edp->ed_name, vpp ? vpp : &vp, 972da6c28aaSamw od_name, 0, NULL, cr, ct); 973da6c28aaSamw 974da6c28aaSamw if (error) { 975da6c28aaSamw if (error == ENOENT) { 976da6c28aaSamw *cookiep = (uint32_t)next_cookie; 977da6c28aaSamw 978da6c28aaSamw if (dp) { 979da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 980da6c28aaSamw DP_ADVANCE(dp, dirbuf, num_bytes); 981da6c28aaSamw if (dp == NULL) 982da6c28aaSamw edp = NULL; 983da6c28aaSamw } else { 984da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 985da6c28aaSamw EDP_ADVANCE(edp, dirbuf, num_bytes); 986da6c28aaSamw } 987da6c28aaSamw continue; 988da6c28aaSamw } 989da6c28aaSamw 990da6c28aaSamw 991da6c28aaSamw *namelen = 0; 992da6c28aaSamw 993da6c28aaSamw if (ebuf) 994da6c28aaSamw kmem_free(ebuf, ebufsize); 995da6c28aaSamw 996da6c28aaSamw return (error); 997da6c28aaSamw } 998da6c28aaSamw 999da6c28aaSamw if ((flags & SMB_IGNORE_CASE) && ED_CASE_CONFLICTS(edp)) { 1000da6c28aaSamw rc = smb_mangle_name(edp->ed_ino, edp->ed_name, 1001da6c28aaSamw shortname, name83, 1); 1002da6c28aaSamw 1003da6c28aaSamw if (rc == 1) { /* success */ 1004da6c28aaSamw (void) strlcpy(name, shortname, *namelen + 1); 1005da6c28aaSamw *namelen = strlen(shortname); 1006da6c28aaSamw } else { 1007da6c28aaSamw (void) strlcpy(name, edp->ed_name, 1008da6c28aaSamw *namelen + 1); 1009da6c28aaSamw name[*namelen] = '\0'; 1010da6c28aaSamw } 1011da6c28aaSamw 1012da6c28aaSamw } else { 1013da6c28aaSamw (void) strlcpy(name, edp->ed_name, *namelen + 1); 1014da6c28aaSamw *namelen = len; 1015da6c28aaSamw } 1016da6c28aaSamw 1017da6c28aaSamw if (vpp == NULL) 1018da6c28aaSamw VN_RELE(vp); 1019da6c28aaSamw 1020da6c28aaSamw if (inop) 1021da6c28aaSamw *inop = edp->ed_ino; 1022da6c28aaSamw 1023da6c28aaSamw *cookiep = (uint32_t)next_cookie; 1024da6c28aaSamw break; 1025da6c28aaSamw } 1026da6c28aaSamw 1027da6c28aaSamw if (ebuf) 1028da6c28aaSamw kmem_free(ebuf, ebufsize); 1029da6c28aaSamw 1030da6c28aaSamw return (error); 1031da6c28aaSamw } 1032da6c28aaSamw 1033da6c28aaSamw /* 1034da6c28aaSamw * smb_sa_to_va_mask 1035da6c28aaSamw * 1036da6c28aaSamw * Set va_mask by running through the SMB_AT_* #define's and 1037da6c28aaSamw * setting those bits that correspond to the SMB_AT_* bits 1038da6c28aaSamw * set in sa_mask. 1039da6c28aaSamw */ 1040da6c28aaSamw 1041da6c28aaSamw void 1042da6c28aaSamw smb_sa_to_va_mask(uint_t sa_mask, uint_t *va_maskp) 1043da6c28aaSamw { 1044da6c28aaSamw int i; 1045da6c28aaSamw uint_t smask; 1046da6c28aaSamw 1047da6c28aaSamw smask = (sa_mask); 1048da6c28aaSamw for (i = SMB_AT_TYPE; (i < SMB_AT_MAX) && (smask != 0); ++i) { 1049da6c28aaSamw if (smask & 1) 1050da6c28aaSamw *(va_maskp) |= smb_attrmap[i]; 1051da6c28aaSamw 1052da6c28aaSamw smask >>= 1; 1053da6c28aaSamw } 1054da6c28aaSamw } 1055da6c28aaSamw 1056da6c28aaSamw /* 1057da6c28aaSamw * smb_vop_getdents() 1058da6c28aaSamw * 1059da6c28aaSamw * Upon success, the smb_node corresponding to each entry returned will 1060da6c28aaSamw * have a reference taken on it. These will be released in 1061da6c28aaSamw * smb_trans2_find_get_dents(). 1062da6c28aaSamw * 1063da6c28aaSamw * If an error is returned from this routine, a list of already processed 1064da6c28aaSamw * entries will be returned. The smb_nodes corresponding to these entries 1065da6c28aaSamw * will be referenced, and will be released in smb_trans2_find_get_dents(). 1066da6c28aaSamw * 1067da6c28aaSamw * The returned dp->d_name field will contain either the on-disk name or, if 1068da6c28aaSamw * it needs mangling or has a case-insensitive collision, the mangled 1069da6c28aaSamw * "shortname." In this case, the on-disk name can be retrieved from the 1070da6c28aaSamw * smb_node's od_name (the smb_node is passed to smb_gather_dents_info()). 1071da6c28aaSamw */ 1072da6c28aaSamw 1073da6c28aaSamw int /*ARGSUSED*/ 1074da6c28aaSamw smb_vop_getdents( 1075da6c28aaSamw smb_node_t *dir_snode, 1076da6c28aaSamw uint32_t *cookiep, 1077da6c28aaSamw uint64_t *verifierp, 1078da6c28aaSamw int32_t *dircountp, 1079da6c28aaSamw char *arg, 1080da6c28aaSamw char *pattern, 1081da6c28aaSamw uint32_t flags, 1082da6c28aaSamw smb_request_t *sr, 1083da6c28aaSamw cred_t *cr, 1084da6c28aaSamw caller_context_t *ct) 1085da6c28aaSamw { 1086da6c28aaSamw int error = 0; 1087da6c28aaSamw int maxentries; 1088da6c28aaSamw int num_bytes; 1089da6c28aaSamw int resid; 1090da6c28aaSamw char *dirbuf = NULL; 1091da6c28aaSamw vnode_t *dvp; 1092da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1093da6c28aaSamw smb_dent_info_hdr_t *ihdr = (smb_dent_info_hdr_t *)arg; 1094da6c28aaSamw 1095da6c28aaSamw dvp = dir_snode->vp; 1096da6c28aaSamw 1097da6c28aaSamw resid = ihdr->uio.uio_resid; 1098da6c28aaSamw maxentries = resid / SMB_MAX_DENT_INFO_SIZE; 1099da6c28aaSamw 1100da6c28aaSamw bzero(ihdr->iov->iov_base, resid); 1101da6c28aaSamw 1102da6c28aaSamw dirbuf = kmem_alloc(SMB_MINLEN_RDDIR_BUF, KM_SLEEP); 1103da6c28aaSamw 1104da6c28aaSamw while (maxentries) { 1105da6c28aaSamw 1106da6c28aaSamw bzero(dirbuf, SMB_MINLEN_RDDIR_BUF); 1107da6c28aaSamw 1108da6c28aaSamw num_bytes = SMB_MINLEN_RDDIR_BUF; 1109da6c28aaSamw error = smb_vop_readdir_readpage(dvp, dirbuf, *cookiep, 1110da6c28aaSamw &num_bytes, cr, ct, flags); 1111da6c28aaSamw 1112da6c28aaSamw if (error || (num_bytes <= 0)) 1113da6c28aaSamw break; 1114da6c28aaSamw 1115da6c28aaSamw error = smb_vop_getdents_entries(dir_snode, cookiep, dircountp, 1116da6c28aaSamw arg, flags, sr, cr, ct, dirbuf, &maxentries, num_bytes, 1117da6c28aaSamw pattern); 1118da6c28aaSamw 1119da6c28aaSamw if (error) 1120da6c28aaSamw goto out; 1121da6c28aaSamw } 1122da6c28aaSamw 1123da6c28aaSamw if (num_bytes < 0) { 1124da6c28aaSamw error = -1; 1125da6c28aaSamw } else if (num_bytes == 0) { 1126da6c28aaSamw *cookiep = SMB_EOF; 1127da6c28aaSamw error = 0; 1128da6c28aaSamw } else { 1129da6c28aaSamw error = 0; 1130da6c28aaSamw } 1131da6c28aaSamw 1132da6c28aaSamw out: 1133da6c28aaSamw if (dirbuf) 1134da6c28aaSamw kmem_free(dirbuf, SMB_MINLEN_RDDIR_BUF); 1135da6c28aaSamw 1136da6c28aaSamw return (error); 1137da6c28aaSamw } 1138da6c28aaSamw 1139da6c28aaSamw /* 1140da6c28aaSamw * smb_vop_getdents_entries() 1141da6c28aaSamw * 1142da6c28aaSamw * This function retrieves names from the SMB_MINLEN_RDDIR_BUF-sized buffer 1143da6c28aaSamw * returned by smb_vop_readdir_readpage() to smb_vop_getdents(). 1144da6c28aaSamw * 1145da6c28aaSamw * Both dirent64_t and edirent_t structures need to be handled. The former is 1146da6c28aaSamw * needed for file systems that do not support VFSFT_DIRENTFLAGS. The latter 1147da6c28aaSamw * is required for properly handling case collisions on file systems that 1148da6c28aaSamw * support case-insensitivity. edirent_t is also used on case-sensitive 1149da6c28aaSamw * file systems where VFSFT_DIRENTFLAGS is available. 1150da6c28aaSamw */ 1151da6c28aaSamw 1152da6c28aaSamw static int 1153da6c28aaSamw smb_vop_getdents_entries( 1154da6c28aaSamw smb_node_t *dir_snode, 1155da6c28aaSamw uint32_t *cookiep, 1156da6c28aaSamw int32_t *dircountp, 1157da6c28aaSamw char *arg, 1158da6c28aaSamw uint32_t flags, 1159da6c28aaSamw struct smb_request *sr, 1160da6c28aaSamw cred_t *cr, 1161da6c28aaSamw caller_context_t *ct, 1162da6c28aaSamw char *dirbuf, 1163da6c28aaSamw int *maxentries, 1164da6c28aaSamw int num_bytes, 1165da6c28aaSamw char *pattern) 1166da6c28aaSamw { 1167da6c28aaSamw uint32_t next_cookie; 1168da6c28aaSamw int ebufsize; 1169da6c28aaSamw char *tmp_name; 1170da6c28aaSamw int error; 1171da6c28aaSamw int rc; 1172da6c28aaSamw char shortname[MANGLE_NAMELEN]; 1173da6c28aaSamw char name83[MANGLE_NAMELEN]; 1174da6c28aaSamw char *ebuf = NULL; 1175da6c28aaSamw dirent64_t *dp = NULL; 1176da6c28aaSamw edirent_t *edp; 1177da6c28aaSamw smb_node_t *ret_snode; 1178da6c28aaSamw smb_attr_t ret_attr; 1179da6c28aaSamw vnode_t *dvp; 1180da6c28aaSamw vnode_t *fvp; 1181da6c28aaSamw 1182da6c28aaSamw ASSERT(dirbuf); 1183da6c28aaSamw 1184da6c28aaSamw dvp = dir_snode->vp; 1185da6c28aaSamw 1186da6c28aaSamw if (vfs_has_feature(dvp->v_vfsp, VFSFT_DIRENTFLAGS)) { 1187da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1188da6c28aaSamw edp = (edirent_t *)dirbuf; 1189da6c28aaSamw } else { 1190da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1191da6c28aaSamw dp = (dirent64_t *)dirbuf; 1192da6c28aaSamw ebufsize = EDIRENT_RECLEN(MAXNAMELEN); 1193da6c28aaSamw ebuf = kmem_zalloc(ebufsize, KM_SLEEP); 1194da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1195da6c28aaSamw edp = (edirent_t *)ebuf; 1196da6c28aaSamw } 1197da6c28aaSamw 1198da6c28aaSamw while (edp) { 1199da6c28aaSamw if (dp) 1200da6c28aaSamw DP_TO_EDP(dp, edp); 1201da6c28aaSamw 1202da6c28aaSamw if (*maxentries == 0) 1203da6c28aaSamw break; 1204da6c28aaSamw 1205da6c28aaSamw next_cookie = (uint32_t)edp->ed_off; 1206da6c28aaSamw 1207da6c28aaSamw if (edp->ed_ino == 0) { 1208da6c28aaSamw *cookiep = next_cookie; 1209da6c28aaSamw if (dp) { 1210da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1211da6c28aaSamw DP_ADVANCE(dp, dirbuf, num_bytes); 1212da6c28aaSamw if (dp == NULL) 1213da6c28aaSamw edp = NULL; 1214da6c28aaSamw } else { 1215da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1216da6c28aaSamw EDP_ADVANCE(edp, dirbuf, num_bytes); 1217da6c28aaSamw } 1218da6c28aaSamw continue; 1219da6c28aaSamw } 1220da6c28aaSamw 1221da6c28aaSamw error = smb_vop_lookup(dvp, edp->ed_name, &fvp, 1222da6c28aaSamw NULL, 0, NULL, cr, ct); 1223da6c28aaSamw 1224da6c28aaSamw if (error) { 1225da6c28aaSamw if (error == ENOENT) { 1226da6c28aaSamw *cookiep = next_cookie; 1227da6c28aaSamw if (dp) { 1228da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1229da6c28aaSamw DP_ADVANCE(dp, dirbuf, 1230da6c28aaSamw num_bytes); 1231da6c28aaSamw if (dp == NULL) 1232da6c28aaSamw edp = NULL; 1233da6c28aaSamw } else { 1234da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1235da6c28aaSamw EDP_ADVANCE(edp, dirbuf, 1236da6c28aaSamw num_bytes); 1237da6c28aaSamw } 1238da6c28aaSamw continue; 1239da6c28aaSamw } 1240da6c28aaSamw if (ebuf) 1241da6c28aaSamw kmem_free(ebuf, ebufsize); 1242da6c28aaSamw 1243da6c28aaSamw return (error); 1244da6c28aaSamw } 1245da6c28aaSamw 1246da6c28aaSamw ret_snode = smb_node_lookup(sr, NULL, cr, fvp, 1247da6c28aaSamw edp->ed_name, dir_snode, NULL, &ret_attr); 1248da6c28aaSamw 1249da6c28aaSamw if (ret_snode == NULL) { 1250da6c28aaSamw VN_RELE(fvp); 1251da6c28aaSamw 1252da6c28aaSamw if (ebuf) 1253da6c28aaSamw kmem_free(ebuf, ebufsize); 1254da6c28aaSamw 1255da6c28aaSamw return (ENOMEM); 1256da6c28aaSamw } 1257da6c28aaSamw 1258da6c28aaSamw if (smb_match_name(edp->ed_ino, edp->ed_name, shortname, 1259da6c28aaSamw name83, pattern, (flags & SMB_IGNORE_CASE))) { 1260da6c28aaSamw 1261da6c28aaSamw tmp_name = edp->ed_name; 1262da6c28aaSamw 1263da6c28aaSamw if ((flags & SMB_IGNORE_CASE) && 1264da6c28aaSamw ED_CASE_CONFLICTS(edp)) { 1265da6c28aaSamw rc = smb_mangle_name(edp->ed_ino, edp->ed_name, 1266da6c28aaSamw shortname, name83, 1); 1267da6c28aaSamw if (rc == 1) 1268da6c28aaSamw tmp_name = shortname; 1269da6c28aaSamw } else { 1270da6c28aaSamw rc = smb_mangle_name(edp->ed_ino, edp->ed_name, 1271da6c28aaSamw shortname, name83, 0); 1272da6c28aaSamw } 1273da6c28aaSamw 1274da6c28aaSamw if (rc != 1) { 1275da6c28aaSamw (void) strlcpy(shortname, edp->ed_name, 1276da6c28aaSamw MANGLE_NAMELEN); 1277da6c28aaSamw (void) strlcpy(name83, edp->ed_name, 1278da6c28aaSamw MANGLE_NAMELEN); 1279da6c28aaSamw shortname[MANGLE_NAMELEN - 1] = '\0'; 1280da6c28aaSamw name83[MANGLE_NAMELEN - 1] = '\0'; 1281da6c28aaSamw } 1282da6c28aaSamw 1283da6c28aaSamw error = smb_gather_dents_info(arg, edp->ed_ino, 1284da6c28aaSamw strlen(tmp_name), tmp_name, next_cookie, dircountp, 1285da6c28aaSamw &ret_attr, ret_snode, shortname, name83); 1286da6c28aaSamw 1287da6c28aaSamw if (error > 0) { 1288da6c28aaSamw if (ebuf) 1289da6c28aaSamw kmem_free(ebuf, ebufsize); 1290da6c28aaSamw return (error); 1291da6c28aaSamw } 1292da6c28aaSamw 1293da6c28aaSamw /* 1294da6c28aaSamw * Treat errors from smb_gather_dents_info() that are 1295da6c28aaSamw * < 0 the same as EOF. 1296da6c28aaSamw */ 1297da6c28aaSamw if (error < 0) { 1298da6c28aaSamw if (ebuf) 1299da6c28aaSamw kmem_free(ebuf, ebufsize); 1300da6c28aaSamw *maxentries = 0; 1301da6c28aaSamw return (0); 1302da6c28aaSamw } 1303da6c28aaSamw (*maxentries)--; 1304da6c28aaSamw } else { 1305da6c28aaSamw smb_node_release(ret_snode); 1306da6c28aaSamw } 1307da6c28aaSamw 1308da6c28aaSamw *cookiep = next_cookie; 1309da6c28aaSamw 1310da6c28aaSamw if (dp) { 1311da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1312da6c28aaSamw DP_ADVANCE(dp, dirbuf, num_bytes); 1313da6c28aaSamw if (dp == NULL) 1314da6c28aaSamw edp = NULL; 1315da6c28aaSamw } else { 1316da6c28aaSamw /*LINTED E_BAD_PTR_CAST_ALIGN*/ 1317da6c28aaSamw EDP_ADVANCE(edp, dirbuf, num_bytes); 1318da6c28aaSamw } 1319da6c28aaSamw } 1320da6c28aaSamw 1321da6c28aaSamw if (ebuf) 1322da6c28aaSamw kmem_free(ebuf, ebufsize); 1323da6c28aaSamw 1324da6c28aaSamw return (0); 1325da6c28aaSamw } 1326da6c28aaSamw 1327da6c28aaSamw /* 1328da6c28aaSamw * smb_vop_stream_lookup() 1329da6c28aaSamw * 1330da6c28aaSamw * The name returned in od_name is the on-disk name of the stream with the 1331da6c28aaSamw * SMB_STREAM_PREFIX stripped off. od_name should be allocated to MAXNAMELEN 1332da6c28aaSamw * by the caller. 1333da6c28aaSamw */ 1334da6c28aaSamw 1335da6c28aaSamw int 1336da6c28aaSamw smb_vop_stream_lookup(vnode_t *fvp, char *stream_name, vnode_t **vpp, 1337da6c28aaSamw char *od_name, vnode_t **xattrdirvpp, int flags, vnode_t *rootvp, 1338da6c28aaSamw cred_t *cr, caller_context_t *ct) 1339da6c28aaSamw { 1340da6c28aaSamw char *solaris_stream_name; 1341da6c28aaSamw char *name; 1342da6c28aaSamw int error; 1343da6c28aaSamw 1344da6c28aaSamw if ((error = smb_vop_lookup_xattrdir(fvp, xattrdirvpp, 1345da6c28aaSamw LOOKUP_XATTR | CREATE_XATTR_DIR, cr, ct)) != 0) 1346da6c28aaSamw return (error); 1347da6c28aaSamw 1348da6c28aaSamw /* 1349da6c28aaSamw * Prepend SMB_STREAM_PREFIX to stream name 1350da6c28aaSamw */ 1351da6c28aaSamw 1352da6c28aaSamw solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); 1353da6c28aaSamw (void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX, 1354da6c28aaSamw stream_name); 1355da6c28aaSamw 1356da6c28aaSamw /* 1357da6c28aaSamw * "name" will hold the on-disk name returned from smb_vop_lookup 1358da6c28aaSamw * for the stream, including the SMB_STREAM_PREFIX. 1359da6c28aaSamw */ 1360da6c28aaSamw 1361da6c28aaSamw name = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 1362da6c28aaSamw 1363da6c28aaSamw if ((error = smb_vop_lookup(*xattrdirvpp, solaris_stream_name, vpp, 1364da6c28aaSamw name, flags, rootvp, cr, ct)) != 0) { 1365da6c28aaSamw VN_RELE(*xattrdirvpp); 1366da6c28aaSamw } else { 1367da6c28aaSamw (void) strlcpy(od_name, &(name[SMB_STREAM_PREFIX_LEN]), 1368da6c28aaSamw MAXNAMELEN); 1369da6c28aaSamw } 1370da6c28aaSamw 1371da6c28aaSamw kmem_free(solaris_stream_name, MAXNAMELEN); 1372da6c28aaSamw kmem_free(name, MAXNAMELEN); 1373da6c28aaSamw 1374da6c28aaSamw return (error); 1375da6c28aaSamw } 1376da6c28aaSamw 1377da6c28aaSamw int 1378da6c28aaSamw smb_vop_stream_create(vnode_t *fvp, char *stream_name, smb_attr_t *attr, 1379da6c28aaSamw vnode_t **vpp, vnode_t **xattrdirvpp, int flags, cred_t *cr, 1380da6c28aaSamw caller_context_t *ct) 1381da6c28aaSamw { 1382da6c28aaSamw char *solaris_stream_name; 1383da6c28aaSamw int error; 1384da6c28aaSamw 1385da6c28aaSamw if ((error = smb_vop_lookup_xattrdir(fvp, xattrdirvpp, 1386da6c28aaSamw LOOKUP_XATTR | CREATE_XATTR_DIR, cr, ct)) != 0) 1387da6c28aaSamw return (error); 1388da6c28aaSamw 1389da6c28aaSamw /* 1390da6c28aaSamw * Prepend SMB_STREAM_PREFIX to stream name 1391da6c28aaSamw */ 1392da6c28aaSamw 1393da6c28aaSamw solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); 1394da6c28aaSamw (void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX, 1395da6c28aaSamw stream_name); 1396da6c28aaSamw 1397da6c28aaSamw if ((error = smb_vop_create(*xattrdirvpp, solaris_stream_name, attr, 1398da6c28aaSamw vpp, flags, cr, ct, NULL)) != 0) 1399da6c28aaSamw VN_RELE(*xattrdirvpp); 1400da6c28aaSamw 1401da6c28aaSamw kmem_free(solaris_stream_name, MAXNAMELEN); 1402da6c28aaSamw 1403da6c28aaSamw return (error); 1404da6c28aaSamw } 1405da6c28aaSamw 1406da6c28aaSamw int 1407da6c28aaSamw smb_vop_stream_remove(vnode_t *vp, char *stream_name, int flags, cred_t *cr, 1408da6c28aaSamw caller_context_t *ct) 1409da6c28aaSamw { 1410da6c28aaSamw char *solaris_stream_name; 1411da6c28aaSamw vnode_t *xattrdirvp; 1412da6c28aaSamw int error; 1413da6c28aaSamw 1414da6c28aaSamw if ((error = smb_vop_lookup_xattrdir(vp, &xattrdirvp, LOOKUP_XATTR, cr, 1415da6c28aaSamw ct)) != 0) 1416da6c28aaSamw return (error); 1417da6c28aaSamw 1418da6c28aaSamw /* 1419da6c28aaSamw * Prepend SMB_STREAM_PREFIX to stream name 1420da6c28aaSamw */ 1421da6c28aaSamw 1422da6c28aaSamw solaris_stream_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); 1423da6c28aaSamw (void) sprintf(solaris_stream_name, "%s%s", SMB_STREAM_PREFIX, 1424da6c28aaSamw stream_name); 1425da6c28aaSamw 1426da6c28aaSamw /* XXX might have to use kcred */ 1427da6c28aaSamw error = smb_vop_remove(xattrdirvp, solaris_stream_name, flags, cr, ct); 1428da6c28aaSamw 1429da6c28aaSamw kmem_free(solaris_stream_name, MAXNAMELEN); 1430da6c28aaSamw 1431da6c28aaSamw return (error); 1432da6c28aaSamw } 1433da6c28aaSamw 1434da6c28aaSamw /* 1435da6c28aaSamw * smb_vop_stream_readdir() 1436da6c28aaSamw * 1437da6c28aaSamw * Note: stream_info.size is not filled in in this routine. 1438da6c28aaSamw * It needs to be filled in by the caller due to the parameters for getattr. 1439da6c28aaSamw * 1440da6c28aaSamw * stream_info.name is set to the on-disk stream name with the SMB_STREAM_PREFIX 1441da6c28aaSamw * removed. 1442da6c28aaSamw */ 1443da6c28aaSamw 1444da6c28aaSamw int 1445da6c28aaSamw smb_vop_stream_readdir(vnode_t *fvp, uint32_t *cookiep, 1446da6c28aaSamw struct fs_stream_info *stream_info, vnode_t **vpp, vnode_t **xattrdirvpp, 1447da6c28aaSamw int flags, cred_t *cr, caller_context_t *ct) 1448da6c28aaSamw { 1449da6c28aaSamw int nsize = MAXNAMELEN-1; 1450da6c28aaSamw int error = 0; 1451da6c28aaSamw ino64_t ino; 1452da6c28aaSamw char *tmp_name; 1453da6c28aaSamw vnode_t *xattrdirvp; 1454da6c28aaSamw vnode_t *vp; 1455da6c28aaSamw 1456da6c28aaSamw if ((error = smb_vop_lookup_xattrdir(fvp, &xattrdirvp, LOOKUP_XATTR, 1457da6c28aaSamw cr, ct)) != 0) 1458da6c28aaSamw return (error); 1459da6c28aaSamw 1460da6c28aaSamw bzero(stream_info->name, sizeof (stream_info->name)); 1461da6c28aaSamw stream_info->size = 0; 1462da6c28aaSamw 1463da6c28aaSamw tmp_name = kmem_zalloc(MAXNAMELEN, KM_SLEEP); 1464da6c28aaSamw 1465da6c28aaSamw for (;;) { 1466da6c28aaSamw error = smb_vop_readdir(xattrdirvp, cookiep, tmp_name, &nsize, 1467da6c28aaSamw &ino, &vp, NULL, flags | SMB_STREAM_RDDIR, cr, ct); 1468da6c28aaSamw 1469da6c28aaSamw if (error || (*cookiep == SMB_EOF)) 1470da6c28aaSamw break; 1471da6c28aaSamw 1472da6c28aaSamw if (strncmp(tmp_name, SMB_STREAM_PREFIX, 1473da6c28aaSamw SMB_STREAM_PREFIX_LEN)) { 1474da6c28aaSamw VN_RELE(vp); 1475da6c28aaSamw continue; 1476da6c28aaSamw } 1477da6c28aaSamw 1478da6c28aaSamw tmp_name[nsize] = '\0'; 1479da6c28aaSamw (void) strlcpy(stream_info->name, 1480da6c28aaSamw &(tmp_name[SMB_STREAM_PREFIX_LEN]), 1481da6c28aaSamw sizeof (stream_info->name)); 1482da6c28aaSamw 1483da6c28aaSamw nsize -= SMB_STREAM_PREFIX_LEN; 1484da6c28aaSamw break; 1485da6c28aaSamw } 1486da6c28aaSamw 1487da6c28aaSamw if ((error == 0) && nsize) { 1488da6c28aaSamw if (vpp) 1489da6c28aaSamw *vpp = vp; 1490da6c28aaSamw else 1491da6c28aaSamw VN_RELE(vp); 1492da6c28aaSamw 1493da6c28aaSamw if (xattrdirvpp) 1494da6c28aaSamw *xattrdirvpp = xattrdirvp; 1495da6c28aaSamw else 1496da6c28aaSamw VN_RELE(xattrdirvp); 1497da6c28aaSamw 1498da6c28aaSamw } 1499da6c28aaSamw 1500da6c28aaSamw kmem_free(tmp_name, MAXNAMELEN); 1501da6c28aaSamw 1502da6c28aaSamw return (error); 1503da6c28aaSamw } 1504da6c28aaSamw 1505da6c28aaSamw int 1506da6c28aaSamw smb_vop_lookup_xattrdir(vnode_t *fvp, vnode_t **xattrdirvpp, int flags, 1507da6c28aaSamw cred_t *cr, caller_context_t *ct) 1508da6c28aaSamw { 1509da6c28aaSamw int error; 1510da6c28aaSamw 1511da6c28aaSamw error = VOP_LOOKUP(fvp, "", xattrdirvpp, NULL, flags, NULL, cr, ct, 1512da6c28aaSamw NULL, NULL); 1513da6c28aaSamw return (error); 1514da6c28aaSamw } 1515da6c28aaSamw 1516da6c28aaSamw /* 1517da6c28aaSamw * smb_vop_traverse_check() 1518da6c28aaSamw * 1519da6c28aaSamw * This function checks to see if the passed-in vnode has a file system 1520da6c28aaSamw * mounted on it. If it does, the mount point is "traversed" and the 1521da6c28aaSamw * vnode for the root of the file system is returned. 1522da6c28aaSamw */ 1523da6c28aaSamw 1524da6c28aaSamw int 1525da6c28aaSamw smb_vop_traverse_check(vnode_t **vpp) 1526da6c28aaSamw { 1527da6c28aaSamw int error; 1528da6c28aaSamw 1529da6c28aaSamw if (vn_mountedvfs(*vpp) == 0) 1530da6c28aaSamw return (0); 1531da6c28aaSamw 1532da6c28aaSamw /* 1533da6c28aaSamw * traverse() may return a different held vnode, even in the error case. 1534da6c28aaSamw * If it returns a different vnode, it will have released the original. 1535da6c28aaSamw */ 1536da6c28aaSamw 1537da6c28aaSamw error = traverse(vpp); 1538da6c28aaSamw 1539da6c28aaSamw return (error); 1540da6c28aaSamw } 1541da6c28aaSamw 1542da6c28aaSamw int /*ARGSUSED*/ 1543da6c28aaSamw smb_vop_statfs(vnode_t *vp, struct statvfs64 *statp, cred_t *cr) 1544da6c28aaSamw { 1545da6c28aaSamw int error; 1546da6c28aaSamw 1547da6c28aaSamw error = VFS_STATVFS(vp->v_vfsp, statp); 1548da6c28aaSamw 1549da6c28aaSamw return (error); 1550da6c28aaSamw } 1551da6c28aaSamw 1552da6c28aaSamw /* 1553da6c28aaSamw * smb_vop_acl_read 1554da6c28aaSamw * 1555da6c28aaSamw * Reads the ACL of the specified file into 'aclp'. 1556da6c28aaSamw * acl_type is the type of ACL which the filesystem supports. 1557da6c28aaSamw * 1558da6c28aaSamw * Caller has to free the allocated memory for aclp by calling 1559da6c28aaSamw * acl_free(). 1560da6c28aaSamw */ 1561da6c28aaSamw int 1562da6c28aaSamw smb_vop_acl_read(vnode_t *vp, acl_t **aclp, int flags, acl_type_t acl_type, 1563da6c28aaSamw cred_t *cr, caller_context_t *ct) 1564da6c28aaSamw { 1565da6c28aaSamw int error; 1566da6c28aaSamw vsecattr_t vsecattr; 1567da6c28aaSamw 1568da6c28aaSamw ASSERT(vp); 1569da6c28aaSamw ASSERT(aclp); 1570da6c28aaSamw 1571da6c28aaSamw *aclp = NULL; 1572da6c28aaSamw bzero(&vsecattr, sizeof (vsecattr_t)); 1573da6c28aaSamw 1574da6c28aaSamw switch (acl_type) { 1575da6c28aaSamw case ACLENT_T: 1576da6c28aaSamw vsecattr.vsa_mask = VSA_ACL | VSA_ACLCNT | VSA_DFACL | 1577da6c28aaSamw VSA_DFACLCNT; 1578da6c28aaSamw break; 1579da6c28aaSamw 1580da6c28aaSamw case ACE_T: 1581da6c28aaSamw vsecattr.vsa_mask = VSA_ACE | VSA_ACECNT | VSA_ACE_ACLFLAGS; 1582da6c28aaSamw break; 1583da6c28aaSamw 1584da6c28aaSamw default: 1585da6c28aaSamw return (EINVAL); 1586da6c28aaSamw } 1587da6c28aaSamw 1588da6c28aaSamw if (error = VOP_GETSECATTR(vp, &vsecattr, flags, cr, ct)) 1589da6c28aaSamw return (error); 1590da6c28aaSamw 1591*55bf511dSas *aclp = smb_fsacl_from_vsa(&vsecattr, acl_type); 1592da6c28aaSamw if (vp->v_type == VDIR) 1593da6c28aaSamw (*aclp)->acl_flags |= ACL_IS_DIR; 1594da6c28aaSamw 1595da6c28aaSamw return (0); 1596da6c28aaSamw } 1597da6c28aaSamw 1598da6c28aaSamw /* 1599da6c28aaSamw * smb_vop_acl_write 1600da6c28aaSamw * 1601da6c28aaSamw * Writes the given ACL in aclp for the specified file. 1602da6c28aaSamw */ 1603da6c28aaSamw int 1604da6c28aaSamw smb_vop_acl_write(vnode_t *vp, acl_t *aclp, int flags, cred_t *cr, 1605da6c28aaSamw caller_context_t *ct) 1606da6c28aaSamw { 1607da6c28aaSamw int error; 1608da6c28aaSamw vsecattr_t vsecattr; 1609da6c28aaSamw int aclbsize; 1610da6c28aaSamw 1611da6c28aaSamw ASSERT(vp); 1612da6c28aaSamw ASSERT(aclp); 1613da6c28aaSamw 1614*55bf511dSas error = smb_fsacl_to_vsa(aclp, &vsecattr, &aclbsize); 1615da6c28aaSamw 1616da6c28aaSamw if (error == 0) { 1617da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, NULL); 1618da6c28aaSamw error = VOP_SETSECATTR(vp, &vsecattr, flags, cr, ct); 1619da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, NULL); 1620da6c28aaSamw } 1621da6c28aaSamw 1622da6c28aaSamw if (aclbsize && vsecattr.vsa_aclentp) 1623da6c28aaSamw kmem_free(vsecattr.vsa_aclentp, aclbsize); 1624da6c28aaSamw 1625da6c28aaSamw return (error); 1626da6c28aaSamw } 1627da6c28aaSamw 1628da6c28aaSamw /* 1629da6c28aaSamw * smb_vop_acl_type 1630da6c28aaSamw * 1631da6c28aaSamw * Determines the ACL type for the given vnode. 1632da6c28aaSamw * ACLENT_T is a Posix ACL and ACE_T is a ZFS ACL. 1633da6c28aaSamw */ 1634da6c28aaSamw acl_type_t 1635da6c28aaSamw smb_vop_acl_type(vnode_t *vp) 1636da6c28aaSamw { 1637da6c28aaSamw int error; 1638da6c28aaSamw ulong_t whichacl; 1639da6c28aaSamw 1640da6c28aaSamw error = VOP_PATHCONF(vp, _PC_ACL_ENABLED, &whichacl, kcred, NULL); 1641da6c28aaSamw if (error != 0) { 1642da6c28aaSamw /* 1643da6c28aaSamw * If we got an error, then the filesystem 1644da6c28aaSamw * likely does not understand the _PC_ACL_ENABLED 1645da6c28aaSamw * pathconf. In this case, we fall back to trying 1646da6c28aaSamw * POSIX-draft (aka UFS-style) ACLs. 1647da6c28aaSamw */ 1648da6c28aaSamw whichacl = _ACL_ACLENT_ENABLED; 1649da6c28aaSamw } 1650da6c28aaSamw 1651da6c28aaSamw if (!(whichacl & (_ACL_ACE_ENABLED | _ACL_ACLENT_ENABLED))) { 1652da6c28aaSamw /* 1653da6c28aaSamw * If the file system supports neither ACE nor 1654da6c28aaSamw * ACLENT ACLs we will fall back to UFS-style ACLs 1655da6c28aaSamw * like we did above if there was an error upon 1656da6c28aaSamw * calling VOP_PATHCONF. 1657da6c28aaSamw * 1658da6c28aaSamw * ACE and ACLENT type ACLs are the only interfaces 1659da6c28aaSamw * supported thus far. If any other bits are set on 1660da6c28aaSamw * 'whichacl' upon return from VOP_PATHCONF, we will 1661da6c28aaSamw * ignore them. 1662da6c28aaSamw */ 1663da6c28aaSamw whichacl = _ACL_ACLENT_ENABLED; 1664da6c28aaSamw } 1665da6c28aaSamw 1666da6c28aaSamw if (whichacl == _ACL_ACLENT_ENABLED) 1667da6c28aaSamw return (ACLENT_T); 1668da6c28aaSamw 1669da6c28aaSamw return (ACE_T); 1670da6c28aaSamw } 1671da6c28aaSamw 1672da6c28aaSamw static int zfs_perms[] = { 1673da6c28aaSamw ACE_READ_DATA, ACE_WRITE_DATA, ACE_APPEND_DATA, ACE_READ_NAMED_ATTRS, 1674da6c28aaSamw ACE_WRITE_NAMED_ATTRS, ACE_EXECUTE, ACE_DELETE_CHILD, 1675da6c28aaSamw ACE_READ_ATTRIBUTES, ACE_WRITE_ATTRIBUTES, ACE_DELETE, ACE_READ_ACL, 1676da6c28aaSamw ACE_WRITE_ACL, ACE_WRITE_OWNER, ACE_SYNCHRONIZE 1677da6c28aaSamw }; 1678da6c28aaSamw 1679da6c28aaSamw static int unix_perms[] = { VREAD, VWRITE, VEXEC }; 1680da6c28aaSamw /* 1681da6c28aaSamw * smb_vop_eaccess 1682da6c28aaSamw * 1683da6c28aaSamw * Returns the effective permission of the given credential for the 1684da6c28aaSamw * specified object. 1685da6c28aaSamw * 1686da6c28aaSamw * This is just a workaround. We need VFS/FS support for this. 1687da6c28aaSamw */ 1688da6c28aaSamw void 1689da6c28aaSamw smb_vop_eaccess(vnode_t *vp, int *mode, int flags, vnode_t *dir_vp, cred_t *cr) 1690da6c28aaSamw { 1691da6c28aaSamw int error, i; 1692da6c28aaSamw int pnum; 1693da6c28aaSamw 1694da6c28aaSamw *mode = 0; 1695da6c28aaSamw 1696da6c28aaSamw if (flags == V_ACE_MASK) { 1697da6c28aaSamw pnum = sizeof (zfs_perms) / sizeof (int); 1698da6c28aaSamw 1699da6c28aaSamw for (i = 0; i < pnum; i++) { 1700da6c28aaSamw error = smb_vop_access(vp, zfs_perms[i], flags, 1701da6c28aaSamw dir_vp, cr); 1702da6c28aaSamw if (error == 0) 1703da6c28aaSamw *mode |= zfs_perms[i]; 1704da6c28aaSamw } 1705da6c28aaSamw } else { 1706da6c28aaSamw pnum = sizeof (unix_perms) / sizeof (int); 1707da6c28aaSamw 1708da6c28aaSamw for (i = 0; i < pnum; i++) { 1709da6c28aaSamw error = smb_vop_access(vp, unix_perms[i], flags, 1710da6c28aaSamw dir_vp, cr); 1711da6c28aaSamw if (error == 0) 1712da6c28aaSamw *mode |= unix_perms[i]; 1713da6c28aaSamw } 1714da6c28aaSamw } 1715da6c28aaSamw } 1716