1*26f3deacStedu /* $Id: ntfs_subr.c,v 1.1 2003/05/20 03:03:27 tedu Exp $ */ 2*26f3deacStedu /* $NetBSD: ntfs_subr.c,v 1.4 2003/04/10 21:37:32 jdolecek Exp $ */ 3*26f3deacStedu 4*26f3deacStedu /*- 5*26f3deacStedu * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org) 6*26f3deacStedu * All rights reserved. 7*26f3deacStedu * 8*26f3deacStedu * Redistribution and use in source and binary forms, with or without 9*26f3deacStedu * modification, are permitted provided that the following conditions 10*26f3deacStedu * are met: 11*26f3deacStedu * 1. Redistributions of source code must retain the above copyright 12*26f3deacStedu * notice, this list of conditions and the following disclaimer. 13*26f3deacStedu * 2. Redistributions in binary form must reproduce the above copyright 14*26f3deacStedu * notice, this list of conditions and the following disclaimer in the 15*26f3deacStedu * documentation and/or other materials provided with the distribution. 16*26f3deacStedu * 17*26f3deacStedu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18*26f3deacStedu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*26f3deacStedu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*26f3deacStedu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21*26f3deacStedu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*26f3deacStedu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*26f3deacStedu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*26f3deacStedu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*26f3deacStedu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*26f3deacStedu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*26f3deacStedu * SUCH DAMAGE. 28*26f3deacStedu * 29*26f3deacStedu * Id: ntfs_subr.c,v 1.4 1999/05/12 09:43:01 semenu Exp 30*26f3deacStedu */ 31*26f3deacStedu 32*26f3deacStedu #include <sys/cdefs.h> 33*26f3deacStedu #ifdef __KERNEL_RCSID 34*26f3deacStedu __KERNEL_RCSID(0, "$NetBSD: ntfs_subr.c,v 1.4 2003/04/10 21:37:32 jdolecek Exp $"); 35*26f3deacStedu #endif 36*26f3deacStedu 37*26f3deacStedu #include <sys/param.h> 38*26f3deacStedu #include <sys/systm.h> 39*26f3deacStedu #include <sys/namei.h> 40*26f3deacStedu #include <sys/proc.h> 41*26f3deacStedu #include <sys/kernel.h> 42*26f3deacStedu #include <sys/vnode.h> 43*26f3deacStedu #include <sys/mount.h> 44*26f3deacStedu #include <sys/buf.h> 45*26f3deacStedu #include <sys/file.h> 46*26f3deacStedu #include <sys/malloc.h> 47*26f3deacStedu #include <sys/lock.h> 48*26f3deacStedu #if defined(__FreeBSD__) 49*26f3deacStedu #include <machine/clock.h> 50*26f3deacStedu #endif 51*26f3deacStedu 52*26f3deacStedu #include <miscfs/specfs/specdev.h> 53*26f3deacStedu 54*26f3deacStedu /* #define NTFS_DEBUG 1 */ 55*26f3deacStedu #if defined(__FreeBSD__) || defined(__NetBSD__) 56*26f3deacStedu #include <fs/ntfs/ntfs.h> 57*26f3deacStedu #include <fs/ntfs/ntfsmount.h> 58*26f3deacStedu #include <fs/ntfs/ntfs_inode.h> 59*26f3deacStedu #include <fs/ntfs/ntfs_vfsops.h> 60*26f3deacStedu #include <fs/ntfs/ntfs_subr.h> 61*26f3deacStedu #include <fs/ntfs/ntfs_compr.h> 62*26f3deacStedu #include <fs/ntfs/ntfs_ihash.h> 63*26f3deacStedu #else 64*26f3deacStedu #include <ntfs/ntfs.h> 65*26f3deacStedu #include <ntfs/ntfsmount.h> 66*26f3deacStedu #include <ntfs/ntfs_inode.h> 67*26f3deacStedu #include <ntfs/ntfs_vfsops.h> 68*26f3deacStedu #include <ntfs/ntfs_subr.h> 69*26f3deacStedu #include <ntfs/ntfs_compr.h> 70*26f3deacStedu #include <ntfs/ntfs_ihash.h> 71*26f3deacStedu #endif 72*26f3deacStedu 73*26f3deacStedu #if defined(NTFS_DEBUG) 74*26f3deacStedu int ntfs_debug = NTFS_DEBUG; 75*26f3deacStedu #endif 76*26f3deacStedu 77*26f3deacStedu #ifdef MALLOC_DEFINE 78*26f3deacStedu MALLOC_DEFINE(M_NTFSNTVATTR, "NTFS vattr", "NTFS file attribute information"); 79*26f3deacStedu MALLOC_DEFINE(M_NTFSRDATA, "NTFS res data", "NTFS resident data"); 80*26f3deacStedu MALLOC_DEFINE(M_NTFSRUN, "NTFS vrun", "NTFS vrun storage"); 81*26f3deacStedu MALLOC_DEFINE(M_NTFSDECOMP, "NTFS decomp", "NTFS decompression temporary"); 82*26f3deacStedu #endif 83*26f3deacStedu 84*26f3deacStedu /* Local struct used in ntfs_ntlookupfile() */ 85*26f3deacStedu struct ntfs_lookup_ctx { 86*26f3deacStedu u_int32_t aoff; 87*26f3deacStedu u_int32_t rdsize; 88*26f3deacStedu cn_t cn; 89*26f3deacStedu struct ntfs_lookup_ctx *prev; 90*26f3deacStedu }; 91*26f3deacStedu 92*26f3deacStedu static int ntfs_ntlookupattr __P((struct ntfsmount *, const char *, int, int *, char **)); 93*26f3deacStedu static int ntfs_findvattr __P((struct ntfsmount *, struct ntnode *, struct ntvattr **, struct ntvattr **, u_int32_t, const char *, size_t, cn_t)); 94*26f3deacStedu static int ntfs_uastricmp __P((struct ntfsmount *, const wchar *, size_t, const char *, size_t)); 95*26f3deacStedu static int ntfs_uastrcmp __P((struct ntfsmount *, const wchar *, size_t, const char *, size_t)); 96*26f3deacStedu 97*26f3deacStedu /* table for mapping Unicode chars into uppercase; it's filled upon first 98*26f3deacStedu * ntfs mount, freed upon last ntfs umount */ 99*26f3deacStedu static wchar *ntfs_toupper_tab; 100*26f3deacStedu #define NTFS_U28(ch) ((((ch) & 0xE0) == 0) ? '_' : (ch) & 0xFF) 101*26f3deacStedu #define NTFS_TOUPPER(ch) (ntfs_toupper_tab[(unsigned char)(ch)]) 102*26f3deacStedu static struct lock ntfs_toupper_lock; 103*26f3deacStedu static signed int ntfs_toupper_usecount; 104*26f3deacStedu 105*26f3deacStedu /* support macro for ntfs_ntvattrget() */ 106*26f3deacStedu #define NTFS_AALPCMP(aalp,type,name,namelen) ( \ 107*26f3deacStedu (aalp->al_type == type) && (aalp->al_namelen == namelen) && \ 108*26f3deacStedu !ntfs_uastrcmp(ntmp, aalp->al_name,aalp->al_namelen,name,namelen) ) 109*26f3deacStedu 110*26f3deacStedu /* 111*26f3deacStedu * 112*26f3deacStedu */ 113*26f3deacStedu int 114*26f3deacStedu ntfs_ntvattrrele(vap) 115*26f3deacStedu struct ntvattr * vap; 116*26f3deacStedu { 117*26f3deacStedu dprintf(("ntfs_ntvattrrele: ino: %d, type: 0x%x\n", 118*26f3deacStedu vap->va_ip->i_number, vap->va_type)); 119*26f3deacStedu 120*26f3deacStedu ntfs_ntrele(vap->va_ip); 121*26f3deacStedu 122*26f3deacStedu return (0); 123*26f3deacStedu } 124*26f3deacStedu 125*26f3deacStedu /* 126*26f3deacStedu * find the attribute in the ntnode 127*26f3deacStedu */ 128*26f3deacStedu static int 129*26f3deacStedu ntfs_findvattr(ntmp, ip, lvapp, vapp, type, name, namelen, vcn) 130*26f3deacStedu struct ntfsmount *ntmp; 131*26f3deacStedu struct ntnode *ip; 132*26f3deacStedu struct ntvattr **lvapp, **vapp; 133*26f3deacStedu u_int32_t type; 134*26f3deacStedu const char *name; 135*26f3deacStedu size_t namelen; 136*26f3deacStedu cn_t vcn; 137*26f3deacStedu { 138*26f3deacStedu int error; 139*26f3deacStedu struct ntvattr *vap; 140*26f3deacStedu 141*26f3deacStedu if((ip->i_flag & IN_LOADED) == 0) { 142*26f3deacStedu dprintf(("ntfs_findvattr: node not loaded, ino: %d\n", 143*26f3deacStedu ip->i_number)); 144*26f3deacStedu error = ntfs_loadntnode(ntmp,ip); 145*26f3deacStedu if (error) { 146*26f3deacStedu printf("ntfs_findvattr: FAILED TO LOAD INO: %d\n", 147*26f3deacStedu ip->i_number); 148*26f3deacStedu return (error); 149*26f3deacStedu } 150*26f3deacStedu } 151*26f3deacStedu 152*26f3deacStedu *lvapp = NULL; 153*26f3deacStedu *vapp = NULL; 154*26f3deacStedu for (vap = ip->i_valist.lh_first; vap; vap = vap->va_list.le_next) { 155*26f3deacStedu ddprintf(("ntfs_findvattr: type: 0x%x, vcn: %d - %d\n", \ 156*26f3deacStedu vap->va_type, (u_int32_t) vap->va_vcnstart, \ 157*26f3deacStedu (u_int32_t) vap->va_vcnend)); 158*26f3deacStedu if ((vap->va_type == type) && 159*26f3deacStedu (vap->va_vcnstart <= vcn) && (vap->va_vcnend >= vcn) && 160*26f3deacStedu (vap->va_namelen == namelen) && 161*26f3deacStedu (strncmp(name, vap->va_name, namelen) == 0)) { 162*26f3deacStedu *vapp = vap; 163*26f3deacStedu ntfs_ntref(vap->va_ip); 164*26f3deacStedu return (0); 165*26f3deacStedu } 166*26f3deacStedu if (vap->va_type == NTFS_A_ATTRLIST) 167*26f3deacStedu *lvapp = vap; 168*26f3deacStedu } 169*26f3deacStedu 170*26f3deacStedu return (-1); 171*26f3deacStedu } 172*26f3deacStedu 173*26f3deacStedu /* 174*26f3deacStedu * Search attribute specified in ntnode (load ntnode if necessary). 175*26f3deacStedu * If not found but ATTR_A_ATTRLIST present, read it in and search through. 176*26f3deacStedu * VOP_VGET node needed, and lookup through its ntnode (load if nessesary). 177*26f3deacStedu * 178*26f3deacStedu * ntnode should be locked 179*26f3deacStedu */ 180*26f3deacStedu int 181*26f3deacStedu ntfs_ntvattrget( 182*26f3deacStedu struct ntfsmount * ntmp, 183*26f3deacStedu struct ntnode * ip, 184*26f3deacStedu u_int32_t type, 185*26f3deacStedu const char *name, 186*26f3deacStedu cn_t vcn, 187*26f3deacStedu struct ntvattr ** vapp) 188*26f3deacStedu { 189*26f3deacStedu struct ntvattr *lvap = NULL; 190*26f3deacStedu struct attr_attrlist *aalp; 191*26f3deacStedu struct attr_attrlist *nextaalp; 192*26f3deacStedu struct vnode *newvp; 193*26f3deacStedu struct ntnode *newip; 194*26f3deacStedu caddr_t alpool; 195*26f3deacStedu size_t namelen, len; 196*26f3deacStedu int error; 197*26f3deacStedu 198*26f3deacStedu *vapp = NULL; 199*26f3deacStedu 200*26f3deacStedu if (name) { 201*26f3deacStedu dprintf(("ntfs_ntvattrget: " \ 202*26f3deacStedu "ino: %d, type: 0x%x, name: %s, vcn: %d\n", \ 203*26f3deacStedu ip->i_number, type, name, (u_int32_t) vcn)); 204*26f3deacStedu namelen = strlen(name); 205*26f3deacStedu } else { 206*26f3deacStedu dprintf(("ntfs_ntvattrget: " \ 207*26f3deacStedu "ino: %d, type: 0x%x, vcn: %d\n", \ 208*26f3deacStedu ip->i_number, type, (u_int32_t) vcn)); 209*26f3deacStedu name = ""; 210*26f3deacStedu namelen = 0; 211*26f3deacStedu } 212*26f3deacStedu 213*26f3deacStedu error = ntfs_findvattr(ntmp, ip, &lvap, vapp, type, name, namelen, vcn); 214*26f3deacStedu if (error >= 0) 215*26f3deacStedu return (error); 216*26f3deacStedu 217*26f3deacStedu if (!lvap) { 218*26f3deacStedu dprintf(("ntfs_ntvattrget: UNEXISTED ATTRIBUTE: " \ 219*26f3deacStedu "ino: %d, type: 0x%x, name: %s, vcn: %d\n", \ 220*26f3deacStedu ip->i_number, type, name, (u_int32_t) vcn)); 221*26f3deacStedu return (ENOENT); 222*26f3deacStedu } 223*26f3deacStedu /* Scan $ATTRIBUTE_LIST for requested attribute */ 224*26f3deacStedu len = lvap->va_datalen; 225*26f3deacStedu alpool = (caddr_t) malloc(len, M_TEMP, M_WAITOK); 226*26f3deacStedu error = ntfs_readntvattr_plain(ntmp, ip, lvap, 0, len, alpool, &len, 227*26f3deacStedu NULL); 228*26f3deacStedu if (error) 229*26f3deacStedu goto out; 230*26f3deacStedu 231*26f3deacStedu aalp = (struct attr_attrlist *) alpool; 232*26f3deacStedu nextaalp = NULL; 233*26f3deacStedu 234*26f3deacStedu for(; len > 0; aalp = nextaalp) { 235*26f3deacStedu dprintf(("ntfs_ntvattrget: " \ 236*26f3deacStedu "attrlist: ino: %d, attr: 0x%x, vcn: %d\n", \ 237*26f3deacStedu aalp->al_inumber, aalp->al_type, \ 238*26f3deacStedu (u_int32_t) aalp->al_vcnstart)); 239*26f3deacStedu 240*26f3deacStedu if (len > aalp->reclen) { 241*26f3deacStedu nextaalp = NTFS_NEXTREC(aalp, struct attr_attrlist *); 242*26f3deacStedu } else { 243*26f3deacStedu nextaalp = NULL; 244*26f3deacStedu } 245*26f3deacStedu len -= aalp->reclen; 246*26f3deacStedu 247*26f3deacStedu if (!NTFS_AALPCMP(aalp, type, name, namelen) || 248*26f3deacStedu (nextaalp && (nextaalp->al_vcnstart <= vcn) && 249*26f3deacStedu NTFS_AALPCMP(nextaalp, type, name, namelen))) 250*26f3deacStedu continue; 251*26f3deacStedu 252*26f3deacStedu dprintf(("ntfs_ntvattrget: attribute in ino: %d\n", 253*26f3deacStedu aalp->al_inumber)); 254*26f3deacStedu 255*26f3deacStedu /* this is not a main record, so we can't use just plain 256*26f3deacStedu vget() */ 257*26f3deacStedu error = ntfs_vgetex(ntmp->ntm_mountp, aalp->al_inumber, 258*26f3deacStedu NTFS_A_DATA, NULL, LK_EXCLUSIVE, 259*26f3deacStedu VG_EXT, curproc, &newvp); 260*26f3deacStedu if (error) { 261*26f3deacStedu printf("ntfs_ntvattrget: CAN'T VGET INO: %d\n", 262*26f3deacStedu aalp->al_inumber); 263*26f3deacStedu goto out; 264*26f3deacStedu } 265*26f3deacStedu newip = VTONT(newvp); 266*26f3deacStedu /* XXX have to lock ntnode */ 267*26f3deacStedu error = ntfs_findvattr(ntmp, newip, &lvap, vapp, 268*26f3deacStedu type, name, namelen, vcn); 269*26f3deacStedu vput(newvp); 270*26f3deacStedu if (error == 0) 271*26f3deacStedu goto out; 272*26f3deacStedu printf("ntfs_ntvattrget: ATTRLIST ERROR.\n"); 273*26f3deacStedu break; 274*26f3deacStedu } 275*26f3deacStedu error = ENOENT; 276*26f3deacStedu 277*26f3deacStedu dprintf(("ntfs_ntvattrget: UNEXISTED ATTRIBUTE: " \ 278*26f3deacStedu "ino: %d, type: 0x%x, name: %.*s, vcn: %d\n", \ 279*26f3deacStedu ip->i_number, type, (int) namelen, name, (u_int32_t) vcn)); 280*26f3deacStedu out: 281*26f3deacStedu free(alpool, M_TEMP); 282*26f3deacStedu return (error); 283*26f3deacStedu } 284*26f3deacStedu 285*26f3deacStedu /* 286*26f3deacStedu * Read ntnode from disk, make ntvattr list. 287*26f3deacStedu * 288*26f3deacStedu * ntnode should be locked 289*26f3deacStedu */ 290*26f3deacStedu int 291*26f3deacStedu ntfs_loadntnode( 292*26f3deacStedu struct ntfsmount * ntmp, 293*26f3deacStedu struct ntnode * ip) 294*26f3deacStedu { 295*26f3deacStedu struct filerec *mfrp; 296*26f3deacStedu daddr_t bn; 297*26f3deacStedu int error,off; 298*26f3deacStedu struct attr *ap; 299*26f3deacStedu struct ntvattr *nvap; 300*26f3deacStedu 301*26f3deacStedu dprintf(("ntfs_loadntnode: loading ino: %d\n",ip->i_number)); 302*26f3deacStedu 303*26f3deacStedu mfrp = (struct filerec *) malloc(ntfs_bntob(ntmp->ntm_bpmftrec), 304*26f3deacStedu M_TEMP, M_WAITOK); 305*26f3deacStedu 306*26f3deacStedu if (ip->i_number < NTFS_SYSNODESNUM) { 307*26f3deacStedu struct buf *bp; 308*26f3deacStedu 309*26f3deacStedu dprintf(("ntfs_loadntnode: read system node\n")); 310*26f3deacStedu 311*26f3deacStedu bn = ntfs_cntobn(ntmp->ntm_mftcn) + 312*26f3deacStedu ntmp->ntm_bpmftrec * ip->i_number; 313*26f3deacStedu 314*26f3deacStedu error = bread(ntmp->ntm_devvp, 315*26f3deacStedu bn, ntfs_bntob(ntmp->ntm_bpmftrec), 316*26f3deacStedu NOCRED, &bp); 317*26f3deacStedu if (error) { 318*26f3deacStedu printf("ntfs_loadntnode: BREAD FAILED\n"); 319*26f3deacStedu brelse(bp); 320*26f3deacStedu goto out; 321*26f3deacStedu } 322*26f3deacStedu memcpy(mfrp, bp->b_data, ntfs_bntob(ntmp->ntm_bpmftrec)); 323*26f3deacStedu bqrelse(bp); 324*26f3deacStedu } else { 325*26f3deacStedu struct vnode *vp; 326*26f3deacStedu 327*26f3deacStedu vp = ntmp->ntm_sysvn[NTFS_MFTINO]; 328*26f3deacStedu error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL, 329*26f3deacStedu ip->i_number * ntfs_bntob(ntmp->ntm_bpmftrec), 330*26f3deacStedu ntfs_bntob(ntmp->ntm_bpmftrec), mfrp, NULL); 331*26f3deacStedu if (error) { 332*26f3deacStedu printf("ntfs_loadntnode: ntfs_readattr failed\n"); 333*26f3deacStedu goto out; 334*26f3deacStedu } 335*26f3deacStedu } 336*26f3deacStedu 337*26f3deacStedu /* Check if magic and fixups are correct */ 338*26f3deacStedu error = ntfs_procfixups(ntmp, NTFS_FILEMAGIC, (caddr_t)mfrp, 339*26f3deacStedu ntfs_bntob(ntmp->ntm_bpmftrec)); 340*26f3deacStedu if (error) { 341*26f3deacStedu printf("ntfs_loadntnode: BAD MFT RECORD %d\n", 342*26f3deacStedu (u_int32_t) ip->i_number); 343*26f3deacStedu goto out; 344*26f3deacStedu } 345*26f3deacStedu 346*26f3deacStedu dprintf(("ntfs_loadntnode: load attrs for ino: %d\n",ip->i_number)); 347*26f3deacStedu off = mfrp->fr_attroff; 348*26f3deacStedu ap = (struct attr *) ((caddr_t)mfrp + off); 349*26f3deacStedu 350*26f3deacStedu LIST_INIT(&ip->i_valist); 351*26f3deacStedu 352*26f3deacStedu while (ap->a_hdr.a_type != -1) { 353*26f3deacStedu error = ntfs_attrtontvattr(ntmp, &nvap, ap); 354*26f3deacStedu if (error) 355*26f3deacStedu break; 356*26f3deacStedu nvap->va_ip = ip; 357*26f3deacStedu 358*26f3deacStedu LIST_INSERT_HEAD(&ip->i_valist, nvap, va_list); 359*26f3deacStedu 360*26f3deacStedu off += ap->a_hdr.reclen; 361*26f3deacStedu ap = (struct attr *) ((caddr_t)mfrp + off); 362*26f3deacStedu } 363*26f3deacStedu if (error) { 364*26f3deacStedu printf("ntfs_loadntnode: failed to load attr ino: %d\n", 365*26f3deacStedu ip->i_number); 366*26f3deacStedu goto out; 367*26f3deacStedu } 368*26f3deacStedu 369*26f3deacStedu ip->i_mainrec = mfrp->fr_mainrec; 370*26f3deacStedu ip->i_nlink = mfrp->fr_nlink; 371*26f3deacStedu ip->i_frflag = mfrp->fr_flags; 372*26f3deacStedu 373*26f3deacStedu ip->i_flag |= IN_LOADED; 374*26f3deacStedu 375*26f3deacStedu out: 376*26f3deacStedu free(mfrp, M_TEMP); 377*26f3deacStedu return (error); 378*26f3deacStedu } 379*26f3deacStedu 380*26f3deacStedu /* 381*26f3deacStedu * Routine locks ntnode and increase usecount, just opposite of 382*26f3deacStedu * ntfs_ntput(). 383*26f3deacStedu */ 384*26f3deacStedu int 385*26f3deacStedu ntfs_ntget( 386*26f3deacStedu struct ntnode *ip, 387*26f3deacStedu #ifdef __OpenBSD__ 388*26f3deacStedu struct proc *p 389*26f3deacStedu #endif 390*26f3deacStedu ) 391*26f3deacStedu { 392*26f3deacStedu dprintf(("ntfs_ntget: get ntnode %d: %p, usecount: %d\n", 393*26f3deacStedu ip->i_number, ip, ip->i_usecount)); 394*26f3deacStedu 395*26f3deacStedu simple_lock(&ip->i_interlock); 396*26f3deacStedu ip->i_usecount++; 397*26f3deacStedu #ifndef __OpenBSD__ 398*26f3deacStedu lockmgr(&ip->i_lock, LK_EXCLUSIVE | LK_INTERLOCK, &ip->i_interlock); 399*26f3deacStedu #else 400*26f3deacStedu lockmgr(&ip->i_lock, LK_EXCLUSIVE | LK_INTERLOCK, &ip->i_interlock, p); 401*26f3deacStedu #endif 402*26f3deacStedu 403*26f3deacStedu return 0; 404*26f3deacStedu } 405*26f3deacStedu 406*26f3deacStedu /* 407*26f3deacStedu * Routine search ntnode in hash, if found: lock, inc usecount and return. 408*26f3deacStedu * If not in hash allocate structure for ntnode, prefill it, lock, 409*26f3deacStedu * inc count and return. 410*26f3deacStedu * 411*26f3deacStedu * ntnode returned locked 412*26f3deacStedu */ 413*26f3deacStedu int 414*26f3deacStedu ntfs_ntlookup( 415*26f3deacStedu struct ntfsmount * ntmp, 416*26f3deacStedu ino_t ino, 417*26f3deacStedu #ifndef __OpenBSD__ 418*26f3deacStedu struct ntnode ** ipp) 419*26f3deacStedu #else 420*26f3deacStedu struct ntnode ** ipp, 421*26f3deacStedu struct proc * p) 422*26f3deacStedu #endif 423*26f3deacStedu { 424*26f3deacStedu struct ntnode *ip; 425*26f3deacStedu 426*26f3deacStedu dprintf(("ntfs_ntlookup: looking for ntnode %d\n", ino)); 427*26f3deacStedu 428*26f3deacStedu do { 429*26f3deacStedu if ((ip = ntfs_nthashlookup(ntmp->ntm_dev, ino)) != NULL) { 430*26f3deacStedu #ifndef __OpenBSD__ 431*26f3deacStedu ntfs_ntget(ip); 432*26f3deacStedu #else 433*26f3deacStedu ntfs_ntget(ip, p); 434*26f3deacStedu #endif 435*26f3deacStedu dprintf(("ntfs_ntlookup: ntnode %d: %p, usecount: %d\n", 436*26f3deacStedu ino, ip, ip->i_usecount)); 437*26f3deacStedu *ipp = ip; 438*26f3deacStedu return (0); 439*26f3deacStedu } 440*26f3deacStedu #ifndef __OpenBSD__ 441*26f3deacStedu } while (lockmgr(&ntfs_hashlock, LK_EXCLUSIVE | LK_SLEEPFAIL, NULL)); 442*26f3deacStedu #else 443*26f3deacStedu } while (lockmgr(&ntfs_hashlock, LK_EXCLUSIVE | LK_SLEEPFAIL, NULL, p)); 444*26f3deacStedu #endif 445*26f3deacStedu 446*26f3deacStedu MALLOC(ip, struct ntnode *, sizeof(struct ntnode), 447*26f3deacStedu M_NTFSNTNODE, M_WAITOK); 448*26f3deacStedu ddprintf(("ntfs_ntlookup: allocating ntnode: %d: %p\n", ino, ip)); 449*26f3deacStedu bzero((caddr_t) ip, sizeof(struct ntnode)); 450*26f3deacStedu 451*26f3deacStedu /* Generic initialization */ 452*26f3deacStedu ip->i_devvp = ntmp->ntm_devvp; 453*26f3deacStedu ip->i_dev = ntmp->ntm_dev; 454*26f3deacStedu ip->i_number = ino; 455*26f3deacStedu ip->i_mp = ntmp; 456*26f3deacStedu 457*26f3deacStedu LIST_INIT(&ip->i_fnlist); 458*26f3deacStedu 459*26f3deacStedu /* init lock and lock the newborn ntnode */ 460*26f3deacStedu lockinit(&ip->i_lock, PINOD, "ntnode", 0, LK_EXCLUSIVE); 461*26f3deacStedu simple_lock_init(&ip->i_interlock); 462*26f3deacStedu #ifndef __OpenBSD__ 463*26f3deacStedu ntfs_ntget(ip); 464*26f3deacStedu #else 465*26f3deacStedu ntfs_ntget(ip, p); 466*26f3deacStedu #endif 467*26f3deacStedu 468*26f3deacStedu ntfs_nthashins(ip); 469*26f3deacStedu 470*26f3deacStedu #ifndef __OpenBSD__ 471*26f3deacStedu lockmgr(&ntfs_hashlock, LK_RELEASE, NULL); 472*26f3deacStedu #else 473*26f3deacStedu lockmgr(&ntfs_hashlock, LK_RELEASE, NULL, p); 474*26f3deacStedu #endif 475*26f3deacStedu 476*26f3deacStedu *ipp = ip; 477*26f3deacStedu 478*26f3deacStedu dprintf(("ntfs_ntlookup: ntnode %d: %p, usecount: %d\n", 479*26f3deacStedu ino, ip, ip->i_usecount)); 480*26f3deacStedu 481*26f3deacStedu return (0); 482*26f3deacStedu } 483*26f3deacStedu 484*26f3deacStedu /* 485*26f3deacStedu * Decrement usecount of ntnode and unlock it, if usecount reach zero, 486*26f3deacStedu * deallocate ntnode. 487*26f3deacStedu * 488*26f3deacStedu * ntnode should be locked on entry, and unlocked on return. 489*26f3deacStedu */ 490*26f3deacStedu void 491*26f3deacStedu ntfs_ntput( 492*26f3deacStedu struct ntnode *ip, 493*26f3deacStedu #ifdef __OpenBSD__ 494*26f3deacStedu struct proc *p 495*26f3deacStedu #endif 496*26f3deacStedu ) 497*26f3deacStedu { 498*26f3deacStedu struct ntvattr *vap; 499*26f3deacStedu 500*26f3deacStedu dprintf(("ntfs_ntput: rele ntnode %d: %p, usecount: %d\n", 501*26f3deacStedu ip->i_number, ip, ip->i_usecount)); 502*26f3deacStedu 503*26f3deacStedu simple_lock(&ip->i_interlock); 504*26f3deacStedu ip->i_usecount--; 505*26f3deacStedu 506*26f3deacStedu #ifdef DIAGNOSTIC 507*26f3deacStedu if (ip->i_usecount < 0) { 508*26f3deacStedu panic("ntfs_ntput: ino: %d usecount: %d ", 509*26f3deacStedu ip->i_number,ip->i_usecount); 510*26f3deacStedu } 511*26f3deacStedu #endif 512*26f3deacStedu 513*26f3deacStedu #ifndef __OpenBSD__ 514*26f3deacStedu lockmgr(&ip->i_lock, LK_RELEASE|LK_INTERLOCK, &ip->i_interlock); 515*26f3deacStedu #else 516*26f3deacStedu lockmgr(&ip->i_lock, LK_RELEASE|LK_INTERLOCK, &ip->i_interlock, p); 517*26f3deacStedu #endif 518*26f3deacStedu 519*26f3deacStedu if (ip->i_usecount == 0) { 520*26f3deacStedu dprintf(("ntfs_ntput: deallocating ntnode: %d\n", 521*26f3deacStedu ip->i_number)); 522*26f3deacStedu 523*26f3deacStedu if (ip->i_fnlist.lh_first) 524*26f3deacStedu panic("ntfs_ntput: ntnode has fnodes"); 525*26f3deacStedu 526*26f3deacStedu ntfs_nthashrem(ip); 527*26f3deacStedu 528*26f3deacStedu while (ip->i_valist.lh_first != NULL) { 529*26f3deacStedu vap = ip->i_valist.lh_first; 530*26f3deacStedu LIST_REMOVE(vap,va_list); 531*26f3deacStedu ntfs_freentvattr(vap); 532*26f3deacStedu } 533*26f3deacStedu FREE(ip, M_NTFSNTNODE); 534*26f3deacStedu } 535*26f3deacStedu } 536*26f3deacStedu 537*26f3deacStedu /* 538*26f3deacStedu * increment usecount of ntnode 539*26f3deacStedu */ 540*26f3deacStedu void 541*26f3deacStedu ntfs_ntref(ip) 542*26f3deacStedu struct ntnode *ip; 543*26f3deacStedu { 544*26f3deacStedu simple_lock(&ip->i_interlock); 545*26f3deacStedu ip->i_usecount++; 546*26f3deacStedu simple_unlock(&ip->i_interlock); 547*26f3deacStedu 548*26f3deacStedu dprintf(("ntfs_ntref: ino %d, usecount: %d\n", 549*26f3deacStedu ip->i_number, ip->i_usecount)); 550*26f3deacStedu 551*26f3deacStedu } 552*26f3deacStedu 553*26f3deacStedu /* 554*26f3deacStedu * Decrement usecount of ntnode. 555*26f3deacStedu */ 556*26f3deacStedu void 557*26f3deacStedu ntfs_ntrele(ip) 558*26f3deacStedu struct ntnode *ip; 559*26f3deacStedu { 560*26f3deacStedu dprintf(("ntfs_ntrele: rele ntnode %d: %p, usecount: %d\n", 561*26f3deacStedu ip->i_number, ip, ip->i_usecount)); 562*26f3deacStedu 563*26f3deacStedu simple_lock(&ip->i_interlock); 564*26f3deacStedu ip->i_usecount--; 565*26f3deacStedu 566*26f3deacStedu if (ip->i_usecount < 0) 567*26f3deacStedu panic("ntfs_ntrele: ino: %d usecount: %d ", 568*26f3deacStedu ip->i_number,ip->i_usecount); 569*26f3deacStedu simple_unlock(&ip->i_interlock); 570*26f3deacStedu } 571*26f3deacStedu 572*26f3deacStedu /* 573*26f3deacStedu * Deallocate all memory allocated for ntvattr 574*26f3deacStedu */ 575*26f3deacStedu void 576*26f3deacStedu ntfs_freentvattr(vap) 577*26f3deacStedu struct ntvattr * vap; 578*26f3deacStedu { 579*26f3deacStedu if (vap->va_flag & NTFS_AF_INRUN) { 580*26f3deacStedu if (vap->va_vruncn) 581*26f3deacStedu free(vap->va_vruncn, M_NTFSRUN); 582*26f3deacStedu if (vap->va_vruncl) 583*26f3deacStedu free(vap->va_vruncl, M_NTFSRUN); 584*26f3deacStedu } else { 585*26f3deacStedu if (vap->va_datap) 586*26f3deacStedu free(vap->va_datap, M_NTFSRDATA); 587*26f3deacStedu } 588*26f3deacStedu FREE(vap, M_NTFSNTVATTR); 589*26f3deacStedu } 590*26f3deacStedu 591*26f3deacStedu /* 592*26f3deacStedu * Convert disk image of attribute into ntvattr structure, 593*26f3deacStedu * runs are expanded also. 594*26f3deacStedu */ 595*26f3deacStedu int 596*26f3deacStedu ntfs_attrtontvattr( 597*26f3deacStedu struct ntfsmount * ntmp, 598*26f3deacStedu struct ntvattr ** rvapp, 599*26f3deacStedu struct attr * rap) 600*26f3deacStedu { 601*26f3deacStedu int error, i; 602*26f3deacStedu struct ntvattr *vap; 603*26f3deacStedu 604*26f3deacStedu error = 0; 605*26f3deacStedu *rvapp = NULL; 606*26f3deacStedu 607*26f3deacStedu MALLOC(vap, struct ntvattr *, sizeof(struct ntvattr), 608*26f3deacStedu M_NTFSNTVATTR, M_WAITOK); 609*26f3deacStedu bzero(vap, sizeof(struct ntvattr)); 610*26f3deacStedu vap->va_ip = NULL; 611*26f3deacStedu vap->va_flag = rap->a_hdr.a_flag; 612*26f3deacStedu vap->va_type = rap->a_hdr.a_type; 613*26f3deacStedu vap->va_compression = rap->a_hdr.a_compression; 614*26f3deacStedu vap->va_index = rap->a_hdr.a_index; 615*26f3deacStedu 616*26f3deacStedu ddprintf(("type: 0x%x, index: %d", vap->va_type, vap->va_index)); 617*26f3deacStedu 618*26f3deacStedu vap->va_namelen = rap->a_hdr.a_namelen; 619*26f3deacStedu if (rap->a_hdr.a_namelen) { 620*26f3deacStedu wchar *unp = (wchar *) ((caddr_t) rap + rap->a_hdr.a_nameoff); 621*26f3deacStedu ddprintf((", name:[")); 622*26f3deacStedu for (i = 0; i < vap->va_namelen; i++) { 623*26f3deacStedu vap->va_name[i] = unp[i]; 624*26f3deacStedu ddprintf(("%c", vap->va_name[i])); 625*26f3deacStedu } 626*26f3deacStedu ddprintf(("]")); 627*26f3deacStedu } 628*26f3deacStedu if (vap->va_flag & NTFS_AF_INRUN) { 629*26f3deacStedu ddprintf((", nonres.")); 630*26f3deacStedu vap->va_datalen = rap->a_nr.a_datalen; 631*26f3deacStedu vap->va_allocated = rap->a_nr.a_allocated; 632*26f3deacStedu vap->va_vcnstart = rap->a_nr.a_vcnstart; 633*26f3deacStedu vap->va_vcnend = rap->a_nr.a_vcnend; 634*26f3deacStedu vap->va_compressalg = rap->a_nr.a_compressalg; 635*26f3deacStedu error = ntfs_runtovrun(&(vap->va_vruncn), &(vap->va_vruncl), 636*26f3deacStedu &(vap->va_vruncnt), 637*26f3deacStedu (caddr_t) rap + rap->a_nr.a_dataoff); 638*26f3deacStedu } else { 639*26f3deacStedu vap->va_compressalg = 0; 640*26f3deacStedu ddprintf((", res.")); 641*26f3deacStedu vap->va_datalen = rap->a_r.a_datalen; 642*26f3deacStedu vap->va_allocated = rap->a_r.a_datalen; 643*26f3deacStedu vap->va_vcnstart = 0; 644*26f3deacStedu vap->va_vcnend = ntfs_btocn(vap->va_allocated); 645*26f3deacStedu vap->va_datap = (caddr_t) malloc(vap->va_datalen, 646*26f3deacStedu M_NTFSRDATA, M_WAITOK); 647*26f3deacStedu memcpy(vap->va_datap, (caddr_t) rap + rap->a_r.a_dataoff, 648*26f3deacStedu rap->a_r.a_datalen); 649*26f3deacStedu } 650*26f3deacStedu ddprintf((", len: %d", vap->va_datalen)); 651*26f3deacStedu 652*26f3deacStedu if (error) 653*26f3deacStedu FREE(vap, M_NTFSNTVATTR); 654*26f3deacStedu else 655*26f3deacStedu *rvapp = vap; 656*26f3deacStedu 657*26f3deacStedu ddprintf(("\n")); 658*26f3deacStedu 659*26f3deacStedu return (error); 660*26f3deacStedu } 661*26f3deacStedu 662*26f3deacStedu /* 663*26f3deacStedu * Expand run into more utilizable and more memory eating format. 664*26f3deacStedu */ 665*26f3deacStedu int 666*26f3deacStedu ntfs_runtovrun( 667*26f3deacStedu cn_t ** rcnp, 668*26f3deacStedu cn_t ** rclp, 669*26f3deacStedu u_long * rcntp, 670*26f3deacStedu u_int8_t * run) 671*26f3deacStedu { 672*26f3deacStedu u_int32_t off; 673*26f3deacStedu u_int32_t sz, i; 674*26f3deacStedu cn_t *cn; 675*26f3deacStedu cn_t *cl; 676*26f3deacStedu u_long cnt; 677*26f3deacStedu cn_t prev; 678*26f3deacStedu cn_t tmp; 679*26f3deacStedu 680*26f3deacStedu off = 0; 681*26f3deacStedu cnt = 0; 682*26f3deacStedu i = 0; 683*26f3deacStedu while (run[off]) { 684*26f3deacStedu off += (run[off] & 0xF) + ((run[off] >> 4) & 0xF) + 1; 685*26f3deacStedu cnt++; 686*26f3deacStedu } 687*26f3deacStedu cn = (cn_t *) malloc(cnt * sizeof(cn_t), M_NTFSRUN, M_WAITOK); 688*26f3deacStedu cl = (cn_t *) malloc(cnt * sizeof(cn_t), M_NTFSRUN, M_WAITOK); 689*26f3deacStedu 690*26f3deacStedu off = 0; 691*26f3deacStedu cnt = 0; 692*26f3deacStedu prev = 0; 693*26f3deacStedu while (run[off]) { 694*26f3deacStedu 695*26f3deacStedu sz = run[off++]; 696*26f3deacStedu cl[cnt] = 0; 697*26f3deacStedu 698*26f3deacStedu for (i = 0; i < (sz & 0xF); i++) 699*26f3deacStedu cl[cnt] += (u_int32_t) run[off++] << (i << 3); 700*26f3deacStedu 701*26f3deacStedu sz >>= 4; 702*26f3deacStedu if (run[off + sz - 1] & 0x80) { 703*26f3deacStedu tmp = ((u_int64_t) - 1) << (sz << 3); 704*26f3deacStedu for (i = 0; i < sz; i++) 705*26f3deacStedu tmp |= (u_int64_t) run[off++] << (i << 3); 706*26f3deacStedu } else { 707*26f3deacStedu tmp = 0; 708*26f3deacStedu for (i = 0; i < sz; i++) 709*26f3deacStedu tmp |= (u_int64_t) run[off++] << (i << 3); 710*26f3deacStedu } 711*26f3deacStedu if (tmp) 712*26f3deacStedu prev = cn[cnt] = prev + tmp; 713*26f3deacStedu else 714*26f3deacStedu cn[cnt] = tmp; 715*26f3deacStedu 716*26f3deacStedu cnt++; 717*26f3deacStedu } 718*26f3deacStedu *rcnp = cn; 719*26f3deacStedu *rclp = cl; 720*26f3deacStedu *rcntp = cnt; 721*26f3deacStedu return (0); 722*26f3deacStedu } 723*26f3deacStedu 724*26f3deacStedu /* 725*26f3deacStedu * Compare unicode and ascii string case insens. 726*26f3deacStedu */ 727*26f3deacStedu static int 728*26f3deacStedu ntfs_uastricmp(ntmp, ustr, ustrlen, astr, astrlen) 729*26f3deacStedu struct ntfsmount *ntmp; 730*26f3deacStedu const wchar *ustr; 731*26f3deacStedu size_t ustrlen; 732*26f3deacStedu const char *astr; 733*26f3deacStedu size_t astrlen; 734*26f3deacStedu { 735*26f3deacStedu size_t i; 736*26f3deacStedu int res; 737*26f3deacStedu const char *astrend = astr + astrlen; 738*26f3deacStedu 739*26f3deacStedu for (i = 0; i < ustrlen && astr < astrend; i++) { 740*26f3deacStedu res = (*ntmp->ntm_wcmp)(NTFS_TOUPPER(ustr[i]), 741*26f3deacStedu NTFS_TOUPPER((*ntmp->ntm_wget)(&astr)) ); 742*26f3deacStedu if (res) 743*26f3deacStedu return res; 744*26f3deacStedu } 745*26f3deacStedu 746*26f3deacStedu if (i == ustrlen && astr == astrend) 747*26f3deacStedu return 0; 748*26f3deacStedu else if (i == ustrlen) 749*26f3deacStedu return -1; 750*26f3deacStedu else 751*26f3deacStedu return 1; 752*26f3deacStedu } 753*26f3deacStedu 754*26f3deacStedu /* 755*26f3deacStedu * Compare unicode and ascii string case sens. 756*26f3deacStedu */ 757*26f3deacStedu static int 758*26f3deacStedu ntfs_uastrcmp(ntmp, ustr, ustrlen, astr, astrlen) 759*26f3deacStedu struct ntfsmount *ntmp; 760*26f3deacStedu const wchar *ustr; 761*26f3deacStedu size_t ustrlen; 762*26f3deacStedu const char *astr; 763*26f3deacStedu size_t astrlen; 764*26f3deacStedu { 765*26f3deacStedu size_t i; 766*26f3deacStedu int res; 767*26f3deacStedu const char *astrend = astr + astrlen; 768*26f3deacStedu 769*26f3deacStedu for (i = 0; (i < ustrlen) && (astr < astrend); i++) { 770*26f3deacStedu res = (*ntmp->ntm_wcmp)(ustr[i], (*ntmp->ntm_wget)(&astr)); 771*26f3deacStedu if (res) 772*26f3deacStedu return res; 773*26f3deacStedu } 774*26f3deacStedu 775*26f3deacStedu if (i == ustrlen && astr == astrend) 776*26f3deacStedu return 0; 777*26f3deacStedu else if (i == ustrlen) 778*26f3deacStedu return -1; 779*26f3deacStedu else 780*26f3deacStedu return 1; 781*26f3deacStedu } 782*26f3deacStedu 783*26f3deacStedu /* 784*26f3deacStedu * Search fnode in ntnode, if not found allocate and preinitialize. 785*26f3deacStedu * 786*26f3deacStedu * ntnode should be locked on entry. 787*26f3deacStedu */ 788*26f3deacStedu int 789*26f3deacStedu ntfs_fget( 790*26f3deacStedu struct ntfsmount *ntmp, 791*26f3deacStedu struct ntnode *ip, 792*26f3deacStedu int attrtype, 793*26f3deacStedu char *attrname, 794*26f3deacStedu struct fnode **fpp) 795*26f3deacStedu { 796*26f3deacStedu struct fnode *fp; 797*26f3deacStedu 798*26f3deacStedu dprintf(("ntfs_fget: ino: %d, attrtype: 0x%x, attrname: %s\n", 799*26f3deacStedu ip->i_number,attrtype, attrname?attrname:"")); 800*26f3deacStedu *fpp = NULL; 801*26f3deacStedu for (fp = ip->i_fnlist.lh_first; fp != NULL; fp = fp->f_fnlist.le_next){ 802*26f3deacStedu dprintf(("ntfs_fget: fnode: attrtype: %d, attrname: %s\n", 803*26f3deacStedu fp->f_attrtype, fp->f_attrname?fp->f_attrname:"")); 804*26f3deacStedu 805*26f3deacStedu if ((attrtype == fp->f_attrtype) && 806*26f3deacStedu ((!attrname && !fp->f_attrname) || 807*26f3deacStedu (attrname && fp->f_attrname && 808*26f3deacStedu !strcmp(attrname,fp->f_attrname)))){ 809*26f3deacStedu dprintf(("ntfs_fget: found existed: %p\n",fp)); 810*26f3deacStedu *fpp = fp; 811*26f3deacStedu } 812*26f3deacStedu } 813*26f3deacStedu 814*26f3deacStedu if (*fpp) 815*26f3deacStedu return (0); 816*26f3deacStedu 817*26f3deacStedu MALLOC(fp, struct fnode *, sizeof(struct fnode), M_NTFSFNODE, M_WAITOK); 818*26f3deacStedu bzero(fp, sizeof(struct fnode)); 819*26f3deacStedu dprintf(("ntfs_fget: allocating fnode: %p\n",fp)); 820*26f3deacStedu 821*26f3deacStedu fp->f_ip = ip; 822*26f3deacStedu fp->f_attrname = attrname; 823*26f3deacStedu if (fp->f_attrname) fp->f_flag |= FN_AATTRNAME; 824*26f3deacStedu fp->f_attrtype = attrtype; 825*26f3deacStedu 826*26f3deacStedu ntfs_ntref(ip); 827*26f3deacStedu 828*26f3deacStedu LIST_INSERT_HEAD(&ip->i_fnlist, fp, f_fnlist); 829*26f3deacStedu 830*26f3deacStedu *fpp = fp; 831*26f3deacStedu 832*26f3deacStedu return (0); 833*26f3deacStedu } 834*26f3deacStedu 835*26f3deacStedu /* 836*26f3deacStedu * Deallocate fnode, remove it from ntnode's fnode list. 837*26f3deacStedu * 838*26f3deacStedu * ntnode should be locked. 839*26f3deacStedu */ 840*26f3deacStedu void 841*26f3deacStedu ntfs_frele( 842*26f3deacStedu struct fnode *fp) 843*26f3deacStedu { 844*26f3deacStedu struct ntnode *ip = FTONT(fp); 845*26f3deacStedu 846*26f3deacStedu dprintf(("ntfs_frele: fnode: %p for %d: %p\n", fp, ip->i_number, ip)); 847*26f3deacStedu 848*26f3deacStedu dprintf(("ntfs_frele: deallocating fnode\n")); 849*26f3deacStedu LIST_REMOVE(fp,f_fnlist); 850*26f3deacStedu if (fp->f_flag & FN_AATTRNAME) 851*26f3deacStedu FREE(fp->f_attrname, M_TEMP); 852*26f3deacStedu if (fp->f_dirblbuf) 853*26f3deacStedu FREE(fp->f_dirblbuf, M_NTFSDIR); 854*26f3deacStedu FREE(fp, M_NTFSFNODE); 855*26f3deacStedu ntfs_ntrele(ip); 856*26f3deacStedu } 857*26f3deacStedu 858*26f3deacStedu /* 859*26f3deacStedu * Lookup attribute name in format: [[:$ATTR_TYPE]:$ATTR_NAME], 860*26f3deacStedu * $ATTR_TYPE is searched in attrdefs read from $AttrDefs. 861*26f3deacStedu * If $ATTR_TYPE not specified, ATTR_A_DATA assumed. 862*26f3deacStedu */ 863*26f3deacStedu static int 864*26f3deacStedu ntfs_ntlookupattr( 865*26f3deacStedu struct ntfsmount * ntmp, 866*26f3deacStedu const char * name, 867*26f3deacStedu int namelen, 868*26f3deacStedu int *attrtype, 869*26f3deacStedu char **attrname) 870*26f3deacStedu { 871*26f3deacStedu const char *sys; 872*26f3deacStedu size_t syslen, i; 873*26f3deacStedu struct ntvattrdef *adp; 874*26f3deacStedu 875*26f3deacStedu if (namelen == 0) 876*26f3deacStedu return (0); 877*26f3deacStedu 878*26f3deacStedu if (name[0] == '$') { 879*26f3deacStedu sys = name; 880*26f3deacStedu for (syslen = 0; syslen < namelen; syslen++) { 881*26f3deacStedu if(sys[syslen] == ':') { 882*26f3deacStedu name++; 883*26f3deacStedu namelen--; 884*26f3deacStedu break; 885*26f3deacStedu } 886*26f3deacStedu } 887*26f3deacStedu name += syslen; 888*26f3deacStedu namelen -= syslen; 889*26f3deacStedu 890*26f3deacStedu adp = ntmp->ntm_ad; 891*26f3deacStedu for (i = 0; i < ntmp->ntm_adnum; i++, adp++){ 892*26f3deacStedu if (syslen != adp->ad_namelen || 893*26f3deacStedu strncmp(sys, adp->ad_name, syslen) != 0) 894*26f3deacStedu continue; 895*26f3deacStedu 896*26f3deacStedu *attrtype = adp->ad_type; 897*26f3deacStedu goto out; 898*26f3deacStedu } 899*26f3deacStedu return (ENOENT); 900*26f3deacStedu } 901*26f3deacStedu 902*26f3deacStedu out: 903*26f3deacStedu if (namelen) { 904*26f3deacStedu *attrname = (char *) malloc(namelen, M_TEMP, M_WAITOK); 905*26f3deacStedu memcpy((*attrname), name, namelen); 906*26f3deacStedu (*attrname)[namelen] = '\0'; 907*26f3deacStedu *attrtype = NTFS_A_DATA; 908*26f3deacStedu } 909*26f3deacStedu 910*26f3deacStedu return (0); 911*26f3deacStedu } 912*26f3deacStedu 913*26f3deacStedu /* 914*26f3deacStedu * Lookup specified node for filename, matching cnp, 915*26f3deacStedu * return fnode filled. 916*26f3deacStedu */ 917*26f3deacStedu int 918*26f3deacStedu ntfs_ntlookupfile( 919*26f3deacStedu struct ntfsmount * ntmp, 920*26f3deacStedu struct vnode * vp, 921*26f3deacStedu struct componentname * cnp, 922*26f3deacStedu #ifndef __OpenBSD__ 923*26f3deacStedu struct vnode ** vpp) 924*26f3deacStedu #else 925*26f3deacStedu struct vnode ** vpp, 926*26f3deacStedu struct proc *p) 927*26f3deacStedu #endif 928*26f3deacStedu { 929*26f3deacStedu struct fnode *fp = VTOF(vp); 930*26f3deacStedu struct ntnode *ip = FTONT(fp); 931*26f3deacStedu struct ntvattr *vap; /* Root attribute */ 932*26f3deacStedu cn_t cn = 0; /* VCN in current attribute */ 933*26f3deacStedu caddr_t rdbuf; /* Buffer to read directory's blocks */ 934*26f3deacStedu u_int32_t blsize; 935*26f3deacStedu u_int32_t rdsize; /* Length of data to read from current block */ 936*26f3deacStedu struct attr_indexentry *iep; 937*26f3deacStedu int error, res, anamelen, fnamelen; 938*26f3deacStedu const char *fname,*aname; 939*26f3deacStedu u_int32_t aoff; 940*26f3deacStedu int attrtype = NTFS_A_DATA; 941*26f3deacStedu char *attrname = NULL; 942*26f3deacStedu struct fnode *nfp; 943*26f3deacStedu struct vnode *nvp; 944*26f3deacStedu enum vtype f_type; 945*26f3deacStedu int fullscan = 0; 946*26f3deacStedu struct ntfs_lookup_ctx *lookup_ctx = NULL, *tctx; 947*26f3deacStedu 948*26f3deacStedu #ifndef __OpenBSD__ 949*26f3deacStedu error = ntfs_ntget(ip); 950*26f3deacStedu #else 951*26f3deacStedu error = ntfs_ntget(ip, p); 952*26f3deacStedu #endif 953*26f3deacStedu if (error) 954*26f3deacStedu return (error); 955*26f3deacStedu 956*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, NTFS_A_INDXROOT, "$I30", 0, &vap); 957*26f3deacStedu if (error || (vap->va_flag & NTFS_AF_INRUN)) 958*26f3deacStedu return (ENOTDIR); 959*26f3deacStedu 960*26f3deacStedu /* 961*26f3deacStedu * Divide file name into: foofilefoofilefoofile[:attrspec] 962*26f3deacStedu * Store like this: fname:fnamelen [aname:anamelen] 963*26f3deacStedu */ 964*26f3deacStedu fname = cnp->cn_nameptr; 965*26f3deacStedu aname = NULL; 966*26f3deacStedu anamelen = 0; 967*26f3deacStedu for (fnamelen = 0; fnamelen < cnp->cn_namelen; fnamelen++) 968*26f3deacStedu if(fname[fnamelen] == ':') { 969*26f3deacStedu aname = fname + fnamelen + 1; 970*26f3deacStedu anamelen = cnp->cn_namelen - fnamelen - 1; 971*26f3deacStedu dprintf(("ntfs_ntlookupfile: %s (%d), attr: %s (%d)\n", 972*26f3deacStedu fname, fnamelen, aname, anamelen)); 973*26f3deacStedu break; 974*26f3deacStedu } 975*26f3deacStedu 976*26f3deacStedu blsize = vap->va_a_iroot->ir_size; 977*26f3deacStedu dprintf(("ntfs_ntlookupfile: blksz: %d\n", blsize)); 978*26f3deacStedu 979*26f3deacStedu rdbuf = (caddr_t) malloc(blsize, M_TEMP, M_WAITOK); 980*26f3deacStedu 981*26f3deacStedu dprintf(("ntfs_ntlookupfile: blksz: %d\n", blsize, rdsize)); 982*26f3deacStedu 983*26f3deacStedu 984*26f3deacStedu loop: 985*26f3deacStedu rdsize = vap->va_datalen; 986*26f3deacStedu dprintf(("ntfs_ntlookupfile: rdsz: %d\n", rdsize)); 987*26f3deacStedu 988*26f3deacStedu error = ntfs_readattr(ntmp, ip, NTFS_A_INDXROOT, "$I30", 989*26f3deacStedu 0, rdsize, rdbuf, NULL); 990*26f3deacStedu if (error) 991*26f3deacStedu goto fail; 992*26f3deacStedu 993*26f3deacStedu aoff = sizeof(struct attr_indexroot); 994*26f3deacStedu 995*26f3deacStedu do { 996*26f3deacStedu iep = (struct attr_indexentry *) (rdbuf + aoff); 997*26f3deacStedu 998*26f3deacStedu for (; !(iep->ie_flag & NTFS_IEFLAG_LAST) && (rdsize > aoff); 999*26f3deacStedu aoff += iep->reclen, 1000*26f3deacStedu iep = (struct attr_indexentry *) (rdbuf + aoff)) 1001*26f3deacStedu { 1002*26f3deacStedu ddprintf(("scan: %d, %d\n", 1003*26f3deacStedu (u_int32_t) iep->ie_number, 1004*26f3deacStedu (u_int32_t) iep->ie_fnametype)); 1005*26f3deacStedu 1006*26f3deacStedu /* check the name - the case-insensitive check 1007*26f3deacStedu * has to come first, to break from this for loop 1008*26f3deacStedu * if needed, so we can dive correctly */ 1009*26f3deacStedu res = ntfs_uastricmp(ntmp, iep->ie_fname, 1010*26f3deacStedu iep->ie_fnamelen, fname, fnamelen); 1011*26f3deacStedu if (!fullscan) { 1012*26f3deacStedu if (res > 0) break; 1013*26f3deacStedu if (res < 0) continue; 1014*26f3deacStedu } 1015*26f3deacStedu 1016*26f3deacStedu if (iep->ie_fnametype == 0 || 1017*26f3deacStedu !(ntmp->ntm_flag & NTFS_MFLAG_CASEINS)) 1018*26f3deacStedu { 1019*26f3deacStedu res = ntfs_uastrcmp(ntmp, iep->ie_fname, 1020*26f3deacStedu iep->ie_fnamelen, fname, fnamelen); 1021*26f3deacStedu if (res != 0 && !fullscan) continue; 1022*26f3deacStedu } 1023*26f3deacStedu 1024*26f3deacStedu /* if we perform full scan, the file does not match 1025*26f3deacStedu * and this is subnode, dive */ 1026*26f3deacStedu if (fullscan && res != 0) { 1027*26f3deacStedu if (iep->ie_flag & NTFS_IEFLAG_SUBNODE) { 1028*26f3deacStedu MALLOC(tctx, struct ntfs_lookup_ctx *, 1029*26f3deacStedu sizeof(struct ntfs_lookup_ctx), 1030*26f3deacStedu M_TEMP, M_WAITOK); 1031*26f3deacStedu tctx->aoff = aoff + iep->reclen; 1032*26f3deacStedu tctx->rdsize = rdsize; 1033*26f3deacStedu tctx->cn = cn; 1034*26f3deacStedu tctx->prev = lookup_ctx; 1035*26f3deacStedu lookup_ctx = tctx; 1036*26f3deacStedu break; 1037*26f3deacStedu } else 1038*26f3deacStedu continue; 1039*26f3deacStedu } 1040*26f3deacStedu 1041*26f3deacStedu if (aname) { 1042*26f3deacStedu error = ntfs_ntlookupattr(ntmp, 1043*26f3deacStedu aname, anamelen, 1044*26f3deacStedu &attrtype, &attrname); 1045*26f3deacStedu if (error) 1046*26f3deacStedu goto fail; 1047*26f3deacStedu } 1048*26f3deacStedu 1049*26f3deacStedu /* Check if we've found ourselves */ 1050*26f3deacStedu if ((iep->ie_number == ip->i_number) && 1051*26f3deacStedu (attrtype == fp->f_attrtype) && 1052*26f3deacStedu ((!attrname && !fp->f_attrname) || 1053*26f3deacStedu (attrname && fp->f_attrname && 1054*26f3deacStedu !strcmp(attrname, fp->f_attrname)))) 1055*26f3deacStedu { 1056*26f3deacStedu VREF(vp); 1057*26f3deacStedu *vpp = vp; 1058*26f3deacStedu error = 0; 1059*26f3deacStedu goto fail; 1060*26f3deacStedu } 1061*26f3deacStedu 1062*26f3deacStedu /* free the buffer returned by ntfs_ntlookupattr() */ 1063*26f3deacStedu if (attrname) { 1064*26f3deacStedu FREE(attrname, M_TEMP); 1065*26f3deacStedu attrname = NULL; 1066*26f3deacStedu } 1067*26f3deacStedu 1068*26f3deacStedu /* vget node, but don't load it */ 1069*26f3deacStedu error = ntfs_vgetex(ntmp->ntm_mountp, 1070*26f3deacStedu iep->ie_number, attrtype, attrname, 1071*26f3deacStedu LK_EXCLUSIVE, VG_DONTLOADIN | VG_DONTVALIDFN, 1072*26f3deacStedu curproc, &nvp); 1073*26f3deacStedu if (error) 1074*26f3deacStedu goto fail; 1075*26f3deacStedu 1076*26f3deacStedu nfp = VTOF(nvp); 1077*26f3deacStedu 1078*26f3deacStedu if (nfp->f_flag & FN_VALID) { 1079*26f3deacStedu *vpp = nvp; 1080*26f3deacStedu goto fail; 1081*26f3deacStedu } 1082*26f3deacStedu 1083*26f3deacStedu nfp->f_fflag = iep->ie_fflag; 1084*26f3deacStedu nfp->f_pnumber = iep->ie_fpnumber; 1085*26f3deacStedu nfp->f_times = iep->ie_ftimes; 1086*26f3deacStedu 1087*26f3deacStedu if((nfp->f_fflag & NTFS_FFLAG_DIR) && 1088*26f3deacStedu (nfp->f_attrtype == NTFS_A_DATA) && 1089*26f3deacStedu (nfp->f_attrname == NULL)) 1090*26f3deacStedu f_type = VDIR; 1091*26f3deacStedu else 1092*26f3deacStedu f_type = VREG; 1093*26f3deacStedu 1094*26f3deacStedu nvp->v_type = f_type; 1095*26f3deacStedu 1096*26f3deacStedu if ((nfp->f_attrtype == NTFS_A_DATA) && 1097*26f3deacStedu (nfp->f_attrname == NULL)) 1098*26f3deacStedu { 1099*26f3deacStedu /* Opening default attribute */ 1100*26f3deacStedu nfp->f_size = iep->ie_fsize; 1101*26f3deacStedu nfp->f_allocated = iep->ie_fallocated; 1102*26f3deacStedu nfp->f_flag |= FN_PRELOADED; 1103*26f3deacStedu } else { 1104*26f3deacStedu error = ntfs_filesize(ntmp, nfp, 1105*26f3deacStedu &nfp->f_size, &nfp->f_allocated); 1106*26f3deacStedu if (error) { 1107*26f3deacStedu vput(nvp); 1108*26f3deacStedu goto fail; 1109*26f3deacStedu } 1110*26f3deacStedu } 1111*26f3deacStedu 1112*26f3deacStedu nfp->f_flag &= ~FN_VALID; 1113*26f3deacStedu *vpp = nvp; 1114*26f3deacStedu goto fail; 1115*26f3deacStedu } 1116*26f3deacStedu 1117*26f3deacStedu /* Dive if possible */ 1118*26f3deacStedu if (iep->ie_flag & NTFS_IEFLAG_SUBNODE) { 1119*26f3deacStedu dprintf(("ntfs_ntlookupfile: diving\n")); 1120*26f3deacStedu 1121*26f3deacStedu cn = *(cn_t *) (rdbuf + aoff + 1122*26f3deacStedu iep->reclen - sizeof(cn_t)); 1123*26f3deacStedu rdsize = blsize; 1124*26f3deacStedu 1125*26f3deacStedu error = ntfs_readattr(ntmp, ip, NTFS_A_INDX, "$I30", 1126*26f3deacStedu ntfs_cntob(cn), rdsize, rdbuf, NULL); 1127*26f3deacStedu if (error) 1128*26f3deacStedu goto fail; 1129*26f3deacStedu 1130*26f3deacStedu error = ntfs_procfixups(ntmp, NTFS_INDXMAGIC, 1131*26f3deacStedu rdbuf, rdsize); 1132*26f3deacStedu if (error) 1133*26f3deacStedu goto fail; 1134*26f3deacStedu 1135*26f3deacStedu aoff = (((struct attr_indexalloc *) rdbuf)->ia_hdrsize + 1136*26f3deacStedu 0x18); 1137*26f3deacStedu } else if (fullscan && lookup_ctx) { 1138*26f3deacStedu cn = lookup_ctx->cn; 1139*26f3deacStedu aoff = lookup_ctx->aoff; 1140*26f3deacStedu rdsize = lookup_ctx->rdsize; 1141*26f3deacStedu 1142*26f3deacStedu error = ntfs_readattr(ntmp, ip, 1143*26f3deacStedu (cn == 0) ? NTFS_A_INDXROOT : NTFS_A_INDX, 1144*26f3deacStedu "$I30", ntfs_cntob(cn), rdsize, rdbuf, NULL); 1145*26f3deacStedu if (error) 1146*26f3deacStedu goto fail; 1147*26f3deacStedu 1148*26f3deacStedu if (cn != 0) { 1149*26f3deacStedu error = ntfs_procfixups(ntmp, NTFS_INDXMAGIC, 1150*26f3deacStedu rdbuf, rdsize); 1151*26f3deacStedu if (error) 1152*26f3deacStedu goto fail; 1153*26f3deacStedu } 1154*26f3deacStedu 1155*26f3deacStedu tctx = lookup_ctx; 1156*26f3deacStedu lookup_ctx = lookup_ctx->prev; 1157*26f3deacStedu FREE(tctx, M_TEMP); 1158*26f3deacStedu } else { 1159*26f3deacStedu dprintf(("ntfs_ntlookupfile: nowhere to dive :-(\n")); 1160*26f3deacStedu error = ENOENT; 1161*26f3deacStedu break; 1162*26f3deacStedu } 1163*26f3deacStedu } while (1); 1164*26f3deacStedu 1165*26f3deacStedu /* perform full scan if no entry was found */ 1166*26f3deacStedu if (!fullscan && error == ENOENT) { 1167*26f3deacStedu fullscan = 1; 1168*26f3deacStedu cn = 0; /* need zero, used by lookup_ctx */ 1169*26f3deacStedu 1170*26f3deacStedu ddprintf(("ntfs_ntlookupfile: fullscan performed for: %.*s\n", 1171*26f3deacStedu (int) fnamelen, fname)); 1172*26f3deacStedu goto loop; 1173*26f3deacStedu } 1174*26f3deacStedu 1175*26f3deacStedu dprintf(("finish\n")); 1176*26f3deacStedu 1177*26f3deacStedu fail: 1178*26f3deacStedu if (attrname) 1179*26f3deacStedu FREE(attrname, M_TEMP); 1180*26f3deacStedu if (lookup_ctx) { 1181*26f3deacStedu while(lookup_ctx) { 1182*26f3deacStedu tctx = lookup_ctx; 1183*26f3deacStedu lookup_ctx = lookup_ctx->prev; 1184*26f3deacStedu FREE(tctx, M_TEMP); 1185*26f3deacStedu } 1186*26f3deacStedu } 1187*26f3deacStedu ntfs_ntvattrrele(vap); 1188*26f3deacStedu #ifndef __OpenBSD__ 1189*26f3deacStedu ntfs_ntput(ip); 1190*26f3deacStedu #else 1191*26f3deacStedu ntfs_ntput(ip, p); 1192*26f3deacStedu #endif 1193*26f3deacStedu free(rdbuf, M_TEMP); 1194*26f3deacStedu return (error); 1195*26f3deacStedu } 1196*26f3deacStedu 1197*26f3deacStedu /* 1198*26f3deacStedu * Check if name type is permitted to show. 1199*26f3deacStedu */ 1200*26f3deacStedu int 1201*26f3deacStedu ntfs_isnamepermitted( 1202*26f3deacStedu struct ntfsmount * ntmp, 1203*26f3deacStedu struct attr_indexentry * iep) 1204*26f3deacStedu { 1205*26f3deacStedu if (ntmp->ntm_flag & NTFS_MFLAG_ALLNAMES) 1206*26f3deacStedu return 1; 1207*26f3deacStedu 1208*26f3deacStedu switch (iep->ie_fnametype) { 1209*26f3deacStedu case 2: 1210*26f3deacStedu ddprintf(("ntfs_isnamepermitted: skipped DOS name\n")); 1211*26f3deacStedu return 0; 1212*26f3deacStedu case 0: case 1: case 3: 1213*26f3deacStedu return 1; 1214*26f3deacStedu default: 1215*26f3deacStedu printf("ntfs_isnamepermitted: " \ 1216*26f3deacStedu "WARNING! Unknown file name type: %d\n", 1217*26f3deacStedu iep->ie_fnametype); 1218*26f3deacStedu break; 1219*26f3deacStedu } 1220*26f3deacStedu return 0; 1221*26f3deacStedu } 1222*26f3deacStedu 1223*26f3deacStedu /* 1224*26f3deacStedu * Read ntfs dir like stream of attr_indexentry, not like btree of them. 1225*26f3deacStedu * This is done by scanning $BITMAP:$I30 for busy clusters and reading them. 1226*26f3deacStedu * Of course $INDEX_ROOT:$I30 is read before. Last read values are stored in 1227*26f3deacStedu * fnode, so we can skip toward record number num almost immediately. 1228*26f3deacStedu * Anyway this is rather slow routine. The problem is that we don't know 1229*26f3deacStedu * how many records are there in $INDEX_ALLOCATION:$I30 block. 1230*26f3deacStedu */ 1231*26f3deacStedu int 1232*26f3deacStedu ntfs_ntreaddir( 1233*26f3deacStedu struct ntfsmount * ntmp, 1234*26f3deacStedu struct fnode * fp, 1235*26f3deacStedu u_int32_t num, 1236*26f3deacStedu #ifndef __OpenBSD__ 1237*26f3deacStedu struct attr_indexentry ** riepp) 1238*26f3deacStedu #else 1239*26f3deacStedu struct attr_indexentry ** riepp, 1240*26f3deacStedu struct proc *p) 1241*26f3deacStedu #endif 1242*26f3deacStedu { 1243*26f3deacStedu struct ntnode *ip = FTONT(fp); 1244*26f3deacStedu struct ntvattr *vap = NULL; /* IndexRoot attribute */ 1245*26f3deacStedu struct ntvattr *bmvap = NULL; /* BitMap attribute */ 1246*26f3deacStedu struct ntvattr *iavap = NULL; /* IndexAllocation attribute */ 1247*26f3deacStedu caddr_t rdbuf; /* Buffer to read directory's blocks */ 1248*26f3deacStedu u_char *bmp = NULL; /* Bitmap */ 1249*26f3deacStedu u_int32_t blsize; /* Index allocation size (2048) */ 1250*26f3deacStedu u_int32_t rdsize; /* Length of data to read */ 1251*26f3deacStedu u_int32_t attrnum; /* Current attribute type */ 1252*26f3deacStedu u_int32_t cpbl = 1; /* Clusters per directory block */ 1253*26f3deacStedu u_int32_t blnum; 1254*26f3deacStedu struct attr_indexentry *iep; 1255*26f3deacStedu int error = ENOENT; 1256*26f3deacStedu u_int32_t aoff, cnum; 1257*26f3deacStedu 1258*26f3deacStedu dprintf(("ntfs_ntreaddir: read ino: %d, num: %d\n", ip->i_number, num)); 1259*26f3deacStedu #ifndef __OpenBSD__ 1260*26f3deacStedu error = ntfs_ntget(ip); 1261*26f3deacStedu #else 1262*26f3deacStedu error = ntfs_ntget(ip, p); 1263*26f3deacStedu #endif 1264*26f3deacStedu if (error) 1265*26f3deacStedu return (error); 1266*26f3deacStedu 1267*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, NTFS_A_INDXROOT, "$I30", 0, &vap); 1268*26f3deacStedu if (error) 1269*26f3deacStedu return (ENOTDIR); 1270*26f3deacStedu 1271*26f3deacStedu if (fp->f_dirblbuf == NULL) { 1272*26f3deacStedu fp->f_dirblsz = vap->va_a_iroot->ir_size; 1273*26f3deacStedu fp->f_dirblbuf = (caddr_t) malloc( 1274*26f3deacStedu max(vap->va_datalen,fp->f_dirblsz), M_NTFSDIR, M_WAITOK); 1275*26f3deacStedu } 1276*26f3deacStedu 1277*26f3deacStedu blsize = fp->f_dirblsz; 1278*26f3deacStedu rdbuf = fp->f_dirblbuf; 1279*26f3deacStedu 1280*26f3deacStedu dprintf(("ntfs_ntreaddir: rdbuf: 0x%p, blsize: %d\n", rdbuf, blsize)); 1281*26f3deacStedu 1282*26f3deacStedu if (vap->va_a_iroot->ir_flag & NTFS_IRFLAG_INDXALLOC) { 1283*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, NTFS_A_INDXBITMAP, "$I30", 1284*26f3deacStedu 0, &bmvap); 1285*26f3deacStedu if (error) { 1286*26f3deacStedu error = ENOTDIR; 1287*26f3deacStedu goto fail; 1288*26f3deacStedu } 1289*26f3deacStedu bmp = (u_char *) malloc(bmvap->va_datalen, M_TEMP, M_WAITOK); 1290*26f3deacStedu error = ntfs_readattr(ntmp, ip, NTFS_A_INDXBITMAP, "$I30", 0, 1291*26f3deacStedu bmvap->va_datalen, bmp, NULL); 1292*26f3deacStedu if (error) 1293*26f3deacStedu goto fail; 1294*26f3deacStedu 1295*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, NTFS_A_INDX, "$I30", 1296*26f3deacStedu 0, &iavap); 1297*26f3deacStedu if (error) { 1298*26f3deacStedu error = ENOTDIR; 1299*26f3deacStedu goto fail; 1300*26f3deacStedu } 1301*26f3deacStedu cpbl = ntfs_btocn(blsize + ntfs_cntob(1) - 1); 1302*26f3deacStedu dprintf(("ntfs_ntreaddir: indexalloc: %d, cpbl: %d\n", 1303*26f3deacStedu iavap->va_datalen, cpbl)); 1304*26f3deacStedu } else { 1305*26f3deacStedu dprintf(("ntfs_ntreadidir: w/o BitMap and IndexAllocation\n")); 1306*26f3deacStedu iavap = bmvap = NULL; 1307*26f3deacStedu bmp = NULL; 1308*26f3deacStedu } 1309*26f3deacStedu 1310*26f3deacStedu /* Try use previous values */ 1311*26f3deacStedu if ((fp->f_lastdnum < num) && (fp->f_lastdnum != 0)) { 1312*26f3deacStedu attrnum = fp->f_lastdattr; 1313*26f3deacStedu aoff = fp->f_lastdoff; 1314*26f3deacStedu blnum = fp->f_lastdblnum; 1315*26f3deacStedu cnum = fp->f_lastdnum; 1316*26f3deacStedu } else { 1317*26f3deacStedu attrnum = NTFS_A_INDXROOT; 1318*26f3deacStedu aoff = sizeof(struct attr_indexroot); 1319*26f3deacStedu blnum = 0; 1320*26f3deacStedu cnum = 0; 1321*26f3deacStedu } 1322*26f3deacStedu 1323*26f3deacStedu do { 1324*26f3deacStedu dprintf(("ntfs_ntreaddir: scan: 0x%x, %d, %d, %d, %d\n", 1325*26f3deacStedu attrnum, (u_int32_t) blnum, cnum, num, aoff)); 1326*26f3deacStedu rdsize = (attrnum == NTFS_A_INDXROOT) ? vap->va_datalen : blsize; 1327*26f3deacStedu error = ntfs_readattr(ntmp, ip, attrnum, "$I30", 1328*26f3deacStedu ntfs_cntob(blnum * cpbl), rdsize, rdbuf, NULL); 1329*26f3deacStedu if (error) 1330*26f3deacStedu goto fail; 1331*26f3deacStedu 1332*26f3deacStedu if (attrnum == NTFS_A_INDX) { 1333*26f3deacStedu error = ntfs_procfixups(ntmp, NTFS_INDXMAGIC, 1334*26f3deacStedu rdbuf, rdsize); 1335*26f3deacStedu if (error) 1336*26f3deacStedu goto fail; 1337*26f3deacStedu } 1338*26f3deacStedu if (aoff == 0) 1339*26f3deacStedu aoff = (attrnum == NTFS_A_INDX) ? 1340*26f3deacStedu (0x18 + ((struct attr_indexalloc *) rdbuf)->ia_hdrsize) : 1341*26f3deacStedu sizeof(struct attr_indexroot); 1342*26f3deacStedu 1343*26f3deacStedu iep = (struct attr_indexentry *) (rdbuf + aoff); 1344*26f3deacStedu for (; !(iep->ie_flag & NTFS_IEFLAG_LAST) && (rdsize > aoff); 1345*26f3deacStedu aoff += iep->reclen, 1346*26f3deacStedu iep = (struct attr_indexentry *) (rdbuf + aoff)) 1347*26f3deacStedu { 1348*26f3deacStedu if (!ntfs_isnamepermitted(ntmp, iep)) continue; 1349*26f3deacStedu 1350*26f3deacStedu if (cnum >= num) { 1351*26f3deacStedu fp->f_lastdnum = cnum; 1352*26f3deacStedu fp->f_lastdoff = aoff; 1353*26f3deacStedu fp->f_lastdblnum = blnum; 1354*26f3deacStedu fp->f_lastdattr = attrnum; 1355*26f3deacStedu 1356*26f3deacStedu *riepp = iep; 1357*26f3deacStedu 1358*26f3deacStedu error = 0; 1359*26f3deacStedu goto fail; 1360*26f3deacStedu } 1361*26f3deacStedu cnum++; 1362*26f3deacStedu } 1363*26f3deacStedu 1364*26f3deacStedu if (iavap) { 1365*26f3deacStedu if (attrnum == NTFS_A_INDXROOT) 1366*26f3deacStedu blnum = 0; 1367*26f3deacStedu else 1368*26f3deacStedu blnum++; 1369*26f3deacStedu 1370*26f3deacStedu while (ntfs_cntob(blnum * cpbl) < iavap->va_datalen) { 1371*26f3deacStedu if (bmp[blnum >> 3] & (1 << (blnum & 3))) 1372*26f3deacStedu break; 1373*26f3deacStedu blnum++; 1374*26f3deacStedu } 1375*26f3deacStedu 1376*26f3deacStedu attrnum = NTFS_A_INDX; 1377*26f3deacStedu aoff = 0; 1378*26f3deacStedu if (ntfs_cntob(blnum * cpbl) >= iavap->va_datalen) 1379*26f3deacStedu break; 1380*26f3deacStedu dprintf(("ntfs_ntreaddir: blnum: %d\n", (u_int32_t) blnum)); 1381*26f3deacStedu } 1382*26f3deacStedu } while (iavap); 1383*26f3deacStedu 1384*26f3deacStedu *riepp = NULL; 1385*26f3deacStedu fp->f_lastdnum = 0; 1386*26f3deacStedu 1387*26f3deacStedu fail: 1388*26f3deacStedu if (vap) 1389*26f3deacStedu ntfs_ntvattrrele(vap); 1390*26f3deacStedu if (bmvap) 1391*26f3deacStedu ntfs_ntvattrrele(bmvap); 1392*26f3deacStedu if (iavap) 1393*26f3deacStedu ntfs_ntvattrrele(iavap); 1394*26f3deacStedu if (bmp) 1395*26f3deacStedu FREE(bmp, M_TEMP); 1396*26f3deacStedu #ifndef __OpenBSD__ 1397*26f3deacStedu ntfs_ntput(ip); 1398*26f3deacStedu #else 1399*26f3deacStedu ntfs_ntput(ip, p); 1400*26f3deacStedu #endif 1401*26f3deacStedu return (error); 1402*26f3deacStedu } 1403*26f3deacStedu 1404*26f3deacStedu /* 1405*26f3deacStedu * Convert NTFS times that are in 100 ns units and begins from 1406*26f3deacStedu * 1601 Jan 1 into unix times. 1407*26f3deacStedu */ 1408*26f3deacStedu struct timespec 1409*26f3deacStedu ntfs_nttimetounix( 1410*26f3deacStedu u_int64_t nt) 1411*26f3deacStedu { 1412*26f3deacStedu struct timespec t; 1413*26f3deacStedu 1414*26f3deacStedu /* WindowNT times are in 100 ns and from 1601 Jan 1 */ 1415*26f3deacStedu t.tv_nsec = (nt % (1000 * 1000 * 10)) * 100; 1416*26f3deacStedu t.tv_sec = nt / (1000 * 1000 * 10) - 1417*26f3deacStedu 369LL * 365LL * 24LL * 60LL * 60LL - 1418*26f3deacStedu 89LL * 1LL * 24LL * 60LL * 60LL; 1419*26f3deacStedu return (t); 1420*26f3deacStedu } 1421*26f3deacStedu 1422*26f3deacStedu #ifndef __OpenBSD__ 1423*26f3deacStedu /* 1424*26f3deacStedu * Get file times from NTFS_A_NAME attribute. 1425*26f3deacStedu */ 1426*26f3deacStedu int 1427*26f3deacStedu ntfs_times( 1428*26f3deacStedu struct ntfsmount * ntmp, 1429*26f3deacStedu struct ntnode * ip, 1430*26f3deacStedu ntfs_times_t * tm) 1431*26f3deacStedu { 1432*26f3deacStedu struct ntvattr *vap; 1433*26f3deacStedu int error; 1434*26f3deacStedu 1435*26f3deacStedu dprintf(("ntfs_times: ino: %d...\n", ip->i_number)); 1436*26f3deacStedu 1437*26f3deacStedu error = ntfs_ntget(ip); 1438*26f3deacStedu if (error) 1439*26f3deacStedu return (error); 1440*26f3deacStedu 1441*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, NTFS_A_NAME, NULL, 0, &vap); 1442*26f3deacStedu if (error) { 1443*26f3deacStedu ntfs_ntput(ip); 1444*26f3deacStedu return (error); 1445*26f3deacStedu } 1446*26f3deacStedu *tm = vap->va_a_name->n_times; 1447*26f3deacStedu ntfs_ntvattrrele(vap); 1448*26f3deacStedu ntfs_ntput(ip); 1449*26f3deacStedu 1450*26f3deacStedu return (0); 1451*26f3deacStedu } 1452*26f3deacStedu #endif 1453*26f3deacStedu 1454*26f3deacStedu /* 1455*26f3deacStedu * Get file sizes from corresponding attribute. 1456*26f3deacStedu * 1457*26f3deacStedu * ntnode under fnode should be locked. 1458*26f3deacStedu */ 1459*26f3deacStedu int 1460*26f3deacStedu ntfs_filesize( 1461*26f3deacStedu struct ntfsmount * ntmp, 1462*26f3deacStedu struct fnode * fp, 1463*26f3deacStedu u_int64_t * size, 1464*26f3deacStedu u_int64_t * bytes) 1465*26f3deacStedu { 1466*26f3deacStedu struct ntvattr *vap; 1467*26f3deacStedu struct ntnode *ip = FTONT(fp); 1468*26f3deacStedu u_int64_t sz, bn; 1469*26f3deacStedu int error; 1470*26f3deacStedu 1471*26f3deacStedu dprintf(("ntfs_filesize: ino: %d\n", ip->i_number)); 1472*26f3deacStedu 1473*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, 1474*26f3deacStedu fp->f_attrtype, fp->f_attrname, 0, &vap); 1475*26f3deacStedu if (error) 1476*26f3deacStedu return (error); 1477*26f3deacStedu 1478*26f3deacStedu bn = vap->va_allocated; 1479*26f3deacStedu sz = vap->va_datalen; 1480*26f3deacStedu 1481*26f3deacStedu dprintf(("ntfs_filesize: %d bytes (%d bytes allocated)\n", 1482*26f3deacStedu (u_int32_t) sz, (u_int32_t) bn)); 1483*26f3deacStedu 1484*26f3deacStedu if (size) 1485*26f3deacStedu *size = sz; 1486*26f3deacStedu if (bytes) 1487*26f3deacStedu *bytes = bn; 1488*26f3deacStedu 1489*26f3deacStedu ntfs_ntvattrrele(vap); 1490*26f3deacStedu 1491*26f3deacStedu return (0); 1492*26f3deacStedu } 1493*26f3deacStedu 1494*26f3deacStedu /* 1495*26f3deacStedu * This is one of write routine. 1496*26f3deacStedu */ 1497*26f3deacStedu int 1498*26f3deacStedu ntfs_writeattr_plain( 1499*26f3deacStedu struct ntfsmount * ntmp, 1500*26f3deacStedu struct ntnode * ip, 1501*26f3deacStedu u_int32_t attrnum, 1502*26f3deacStedu char *attrname, 1503*26f3deacStedu off_t roff, 1504*26f3deacStedu size_t rsize, 1505*26f3deacStedu void *rdata, 1506*26f3deacStedu size_t * initp, 1507*26f3deacStedu struct uio *uio) 1508*26f3deacStedu { 1509*26f3deacStedu size_t init; 1510*26f3deacStedu int error = 0; 1511*26f3deacStedu off_t off = roff, left = rsize, towrite; 1512*26f3deacStedu caddr_t data = rdata; 1513*26f3deacStedu struct ntvattr *vap; 1514*26f3deacStedu *initp = 0; 1515*26f3deacStedu 1516*26f3deacStedu while (left) { 1517*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, attrnum, attrname, 1518*26f3deacStedu ntfs_btocn(off), &vap); 1519*26f3deacStedu if (error) 1520*26f3deacStedu return (error); 1521*26f3deacStedu towrite = min(left, ntfs_cntob(vap->va_vcnend + 1) - off); 1522*26f3deacStedu ddprintf(("ntfs_writeattr_plain: o: %d, s: %d (%d - %d)\n", 1523*26f3deacStedu (u_int32_t) off, (u_int32_t) towrite, 1524*26f3deacStedu (u_int32_t) vap->va_vcnstart, 1525*26f3deacStedu (u_int32_t) vap->va_vcnend)); 1526*26f3deacStedu error = ntfs_writentvattr_plain(ntmp, ip, vap, 1527*26f3deacStedu off - ntfs_cntob(vap->va_vcnstart), 1528*26f3deacStedu towrite, data, &init, uio); 1529*26f3deacStedu if (error) { 1530*26f3deacStedu dprintf(("ntfs_writeattr_plain: " \ 1531*26f3deacStedu "ntfs_writentvattr_plain failed: o: %d, s: %d\n", 1532*26f3deacStedu (u_int32_t) off, (u_int32_t) towrite)); 1533*26f3deacStedu dprintf(("ntfs_writeattr_plain: attrib: %d - %d\n", 1534*26f3deacStedu (u_int32_t) vap->va_vcnstart, 1535*26f3deacStedu (u_int32_t) vap->va_vcnend)); 1536*26f3deacStedu ntfs_ntvattrrele(vap); 1537*26f3deacStedu break; 1538*26f3deacStedu } 1539*26f3deacStedu ntfs_ntvattrrele(vap); 1540*26f3deacStedu left -= towrite; 1541*26f3deacStedu off += towrite; 1542*26f3deacStedu data = data + towrite; 1543*26f3deacStedu *initp += init; 1544*26f3deacStedu } 1545*26f3deacStedu 1546*26f3deacStedu return (error); 1547*26f3deacStedu } 1548*26f3deacStedu 1549*26f3deacStedu /* 1550*26f3deacStedu * This is one of write routine. 1551*26f3deacStedu * 1552*26f3deacStedu * ntnode should be locked. 1553*26f3deacStedu */ 1554*26f3deacStedu int 1555*26f3deacStedu ntfs_writentvattr_plain( 1556*26f3deacStedu struct ntfsmount * ntmp, 1557*26f3deacStedu struct ntnode * ip, 1558*26f3deacStedu struct ntvattr * vap, 1559*26f3deacStedu off_t roff, 1560*26f3deacStedu size_t rsize, 1561*26f3deacStedu void *rdata, 1562*26f3deacStedu size_t * initp, 1563*26f3deacStedu struct uio *uio) 1564*26f3deacStedu { 1565*26f3deacStedu int error = 0; 1566*26f3deacStedu int off; 1567*26f3deacStedu int cnt; 1568*26f3deacStedu cn_t ccn, ccl, cn, left, cl; 1569*26f3deacStedu caddr_t data = rdata; 1570*26f3deacStedu struct buf *bp; 1571*26f3deacStedu size_t tocopy; 1572*26f3deacStedu 1573*26f3deacStedu *initp = 0; 1574*26f3deacStedu 1575*26f3deacStedu if ((vap->va_flag & NTFS_AF_INRUN) == 0) { 1576*26f3deacStedu dprintf(("ntfs_writevattr_plain: CAN'T WRITE RES. ATTRIBUTE\n")); 1577*26f3deacStedu return ENOTTY; 1578*26f3deacStedu } 1579*26f3deacStedu 1580*26f3deacStedu ddprintf(("ntfs_writentvattr_plain: data in run: %lu chains\n", 1581*26f3deacStedu vap->va_vruncnt)); 1582*26f3deacStedu 1583*26f3deacStedu off = roff; 1584*26f3deacStedu left = rsize; 1585*26f3deacStedu ccl = 0; 1586*26f3deacStedu ccn = 0; 1587*26f3deacStedu cnt = 0; 1588*26f3deacStedu for (; left && (cnt < vap->va_vruncnt); cnt++) { 1589*26f3deacStedu ccn = vap->va_vruncn[cnt]; 1590*26f3deacStedu ccl = vap->va_vruncl[cnt]; 1591*26f3deacStedu 1592*26f3deacStedu ddprintf(("ntfs_writentvattr_plain: " \ 1593*26f3deacStedu "left %d, cn: 0x%x, cl: %d, off: %d\n", \ 1594*26f3deacStedu (u_int32_t) left, (u_int32_t) ccn, \ 1595*26f3deacStedu (u_int32_t) ccl, (u_int32_t) off)); 1596*26f3deacStedu 1597*26f3deacStedu if (ntfs_cntob(ccl) < off) { 1598*26f3deacStedu off -= ntfs_cntob(ccl); 1599*26f3deacStedu cnt++; 1600*26f3deacStedu continue; 1601*26f3deacStedu } 1602*26f3deacStedu if (!ccn && ip->i_number != NTFS_BOOTINO) 1603*26f3deacStedu continue; /* XXX */ 1604*26f3deacStedu 1605*26f3deacStedu ccl -= ntfs_btocn(off); 1606*26f3deacStedu cn = ccn + ntfs_btocn(off); 1607*26f3deacStedu off = ntfs_btocnoff(off); 1608*26f3deacStedu 1609*26f3deacStedu while (left && ccl) { 1610*26f3deacStedu tocopy = min(left, 1611*26f3deacStedu min(ntfs_cntob(ccl) - off, MAXBSIZE - off)); 1612*26f3deacStedu cl = ntfs_btocl(tocopy + off); 1613*26f3deacStedu ddprintf(("ntfs_writentvattr_plain: write: " \ 1614*26f3deacStedu "cn: 0x%x cl: %d, off: %d len: %d, left: %d\n", 1615*26f3deacStedu (u_int32_t) cn, (u_int32_t) cl, 1616*26f3deacStedu (u_int32_t) off, (u_int32_t) tocopy, 1617*26f3deacStedu (u_int32_t) left)); 1618*26f3deacStedu if ((off == 0) && (tocopy == ntfs_cntob(cl))) 1619*26f3deacStedu { 1620*26f3deacStedu bp = getblk(ntmp->ntm_devvp, ntfs_cntobn(cn), 1621*26f3deacStedu ntfs_cntob(cl), 0, 0); 1622*26f3deacStedu clrbuf(bp); 1623*26f3deacStedu } else { 1624*26f3deacStedu error = bread(ntmp->ntm_devvp, ntfs_cntobn(cn), 1625*26f3deacStedu ntfs_cntob(cl), NOCRED, &bp); 1626*26f3deacStedu if (error) { 1627*26f3deacStedu brelse(bp); 1628*26f3deacStedu return (error); 1629*26f3deacStedu } 1630*26f3deacStedu } 1631*26f3deacStedu if (uio) 1632*26f3deacStedu uiomove(bp->b_data + off, tocopy, uio); 1633*26f3deacStedu else 1634*26f3deacStedu memcpy(bp->b_data + off, data, tocopy); 1635*26f3deacStedu bawrite(bp); 1636*26f3deacStedu data = data + tocopy; 1637*26f3deacStedu *initp += tocopy; 1638*26f3deacStedu off = 0; 1639*26f3deacStedu left -= tocopy; 1640*26f3deacStedu cn += cl; 1641*26f3deacStedu ccl -= cl; 1642*26f3deacStedu } 1643*26f3deacStedu } 1644*26f3deacStedu 1645*26f3deacStedu if (left) { 1646*26f3deacStedu printf("ntfs_writentvattr_plain: POSSIBLE RUN ERROR\n"); 1647*26f3deacStedu error = EINVAL; 1648*26f3deacStedu } 1649*26f3deacStedu 1650*26f3deacStedu return (error); 1651*26f3deacStedu } 1652*26f3deacStedu 1653*26f3deacStedu /* 1654*26f3deacStedu * This is one of read routines. 1655*26f3deacStedu * 1656*26f3deacStedu * ntnode should be locked. 1657*26f3deacStedu */ 1658*26f3deacStedu int 1659*26f3deacStedu ntfs_readntvattr_plain( 1660*26f3deacStedu struct ntfsmount * ntmp, 1661*26f3deacStedu struct ntnode * ip, 1662*26f3deacStedu struct ntvattr * vap, 1663*26f3deacStedu off_t roff, 1664*26f3deacStedu size_t rsize, 1665*26f3deacStedu void *rdata, 1666*26f3deacStedu size_t * initp, 1667*26f3deacStedu struct uio *uio) 1668*26f3deacStedu { 1669*26f3deacStedu int error = 0; 1670*26f3deacStedu int off; 1671*26f3deacStedu 1672*26f3deacStedu *initp = 0; 1673*26f3deacStedu if (vap->va_flag & NTFS_AF_INRUN) { 1674*26f3deacStedu int cnt; 1675*26f3deacStedu cn_t ccn, ccl, cn, left, cl; 1676*26f3deacStedu caddr_t data = rdata; 1677*26f3deacStedu struct buf *bp; 1678*26f3deacStedu size_t tocopy; 1679*26f3deacStedu 1680*26f3deacStedu ddprintf(("ntfs_readntvattr_plain: data in run: %lu chains\n", 1681*26f3deacStedu vap->va_vruncnt)); 1682*26f3deacStedu 1683*26f3deacStedu off = roff; 1684*26f3deacStedu left = rsize; 1685*26f3deacStedu ccl = 0; 1686*26f3deacStedu ccn = 0; 1687*26f3deacStedu cnt = 0; 1688*26f3deacStedu while (left && (cnt < vap->va_vruncnt)) { 1689*26f3deacStedu ccn = vap->va_vruncn[cnt]; 1690*26f3deacStedu ccl = vap->va_vruncl[cnt]; 1691*26f3deacStedu 1692*26f3deacStedu ddprintf(("ntfs_readntvattr_plain: " \ 1693*26f3deacStedu "left %d, cn: 0x%x, cl: %d, off: %d\n", \ 1694*26f3deacStedu (u_int32_t) left, (u_int32_t) ccn, \ 1695*26f3deacStedu (u_int32_t) ccl, (u_int32_t) off)); 1696*26f3deacStedu 1697*26f3deacStedu if (ntfs_cntob(ccl) < off) { 1698*26f3deacStedu off -= ntfs_cntob(ccl); 1699*26f3deacStedu cnt++; 1700*26f3deacStedu continue; 1701*26f3deacStedu } 1702*26f3deacStedu if (ccn || ip->i_number == NTFS_BOOTINO) { 1703*26f3deacStedu ccl -= ntfs_btocn(off); 1704*26f3deacStedu cn = ccn + ntfs_btocn(off); 1705*26f3deacStedu off = ntfs_btocnoff(off); 1706*26f3deacStedu 1707*26f3deacStedu while (left && ccl) { 1708*26f3deacStedu tocopy = min(left, 1709*26f3deacStedu min(ntfs_cntob(ccl) - off, 1710*26f3deacStedu MAXBSIZE - off)); 1711*26f3deacStedu cl = ntfs_btocl(tocopy + off); 1712*26f3deacStedu 1713*26f3deacStedu /* 1714*26f3deacStedu * If 'off' pushes us to next 1715*26f3deacStedu * block, don't attempt to read whole 1716*26f3deacStedu * 'tocopy' at once. This is to avoid 1717*26f3deacStedu * bread() with varying 'size' for 1718*26f3deacStedu * same 'blkno', which is not good. 1719*26f3deacStedu */ 1720*26f3deacStedu if (cl > ntfs_btocl(tocopy)) { 1721*26f3deacStedu tocopy -= 1722*26f3deacStedu ntfs_btocnoff(tocopy + off); 1723*26f3deacStedu cl--; 1724*26f3deacStedu } 1725*26f3deacStedu 1726*26f3deacStedu ddprintf(("ntfs_readntvattr_plain: " \ 1727*26f3deacStedu "read: cn: 0x%x cl: %d, " \ 1728*26f3deacStedu "off: %d len: %d, left: %d\n", 1729*26f3deacStedu (u_int32_t) cn, 1730*26f3deacStedu (u_int32_t) cl, 1731*26f3deacStedu (u_int32_t) off, 1732*26f3deacStedu (u_int32_t) tocopy, 1733*26f3deacStedu (u_int32_t) left)); 1734*26f3deacStedu error = bread(ntmp->ntm_devvp, 1735*26f3deacStedu ntfs_cntobn(cn), 1736*26f3deacStedu ntfs_cntob(cl), 1737*26f3deacStedu NOCRED, &bp); 1738*26f3deacStedu if (error) { 1739*26f3deacStedu brelse(bp); 1740*26f3deacStedu return (error); 1741*26f3deacStedu } 1742*26f3deacStedu if (uio) { 1743*26f3deacStedu uiomove(bp->b_data + off, 1744*26f3deacStedu tocopy, uio); 1745*26f3deacStedu } else { 1746*26f3deacStedu memcpy(data, bp->b_data + off, 1747*26f3deacStedu tocopy); 1748*26f3deacStedu } 1749*26f3deacStedu brelse(bp); 1750*26f3deacStedu data = data + tocopy; 1751*26f3deacStedu *initp += tocopy; 1752*26f3deacStedu off = 0; 1753*26f3deacStedu left -= tocopy; 1754*26f3deacStedu cn += cl; 1755*26f3deacStedu ccl -= cl; 1756*26f3deacStedu } 1757*26f3deacStedu } else { 1758*26f3deacStedu tocopy = min(left, ntfs_cntob(ccl) - off); 1759*26f3deacStedu ddprintf(("ntfs_readntvattr_plain: " 1760*26f3deacStedu "hole: ccn: 0x%x ccl: %d, off: %d, " \ 1761*26f3deacStedu " len: %d, left: %d\n", 1762*26f3deacStedu (u_int32_t) ccn, (u_int32_t) ccl, 1763*26f3deacStedu (u_int32_t) off, (u_int32_t) tocopy, 1764*26f3deacStedu (u_int32_t) left)); 1765*26f3deacStedu left -= tocopy; 1766*26f3deacStedu off = 0; 1767*26f3deacStedu if (uio) { 1768*26f3deacStedu size_t remains = tocopy; 1769*26f3deacStedu for(; remains; remains--) 1770*26f3deacStedu uiomove("", 1, uio); 1771*26f3deacStedu } else 1772*26f3deacStedu bzero(data, tocopy); 1773*26f3deacStedu data = data + tocopy; 1774*26f3deacStedu } 1775*26f3deacStedu cnt++; 1776*26f3deacStedu } 1777*26f3deacStedu if (left) { 1778*26f3deacStedu printf("ntfs_readntvattr_plain: POSSIBLE RUN ERROR\n"); 1779*26f3deacStedu error = E2BIG; 1780*26f3deacStedu } 1781*26f3deacStedu } else { 1782*26f3deacStedu ddprintf(("ntfs_readnvattr_plain: data is in mft record\n")); 1783*26f3deacStedu if (uio) 1784*26f3deacStedu uiomove(vap->va_datap + roff, rsize, uio); 1785*26f3deacStedu else 1786*26f3deacStedu memcpy(rdata, vap->va_datap + roff, rsize); 1787*26f3deacStedu *initp += rsize; 1788*26f3deacStedu } 1789*26f3deacStedu 1790*26f3deacStedu return (error); 1791*26f3deacStedu } 1792*26f3deacStedu 1793*26f3deacStedu /* 1794*26f3deacStedu * This is one of read routines. 1795*26f3deacStedu */ 1796*26f3deacStedu int 1797*26f3deacStedu ntfs_readattr_plain( 1798*26f3deacStedu struct ntfsmount * ntmp, 1799*26f3deacStedu struct ntnode * ip, 1800*26f3deacStedu u_int32_t attrnum, 1801*26f3deacStedu char *attrname, 1802*26f3deacStedu off_t roff, 1803*26f3deacStedu size_t rsize, 1804*26f3deacStedu void *rdata, 1805*26f3deacStedu size_t * initp, 1806*26f3deacStedu struct uio *uio) 1807*26f3deacStedu { 1808*26f3deacStedu size_t init; 1809*26f3deacStedu int error = 0; 1810*26f3deacStedu off_t off = roff, left = rsize, toread; 1811*26f3deacStedu caddr_t data = rdata; 1812*26f3deacStedu struct ntvattr *vap; 1813*26f3deacStedu *initp = 0; 1814*26f3deacStedu 1815*26f3deacStedu while (left) { 1816*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, attrnum, attrname, 1817*26f3deacStedu ntfs_btocn(off), &vap); 1818*26f3deacStedu if (error) 1819*26f3deacStedu return (error); 1820*26f3deacStedu toread = min(left, ntfs_cntob(vap->va_vcnend + 1) - off); 1821*26f3deacStedu ddprintf(("ntfs_readattr_plain: o: %d, s: %d (%d - %d)\n", 1822*26f3deacStedu (u_int32_t) off, (u_int32_t) toread, 1823*26f3deacStedu (u_int32_t) vap->va_vcnstart, 1824*26f3deacStedu (u_int32_t) vap->va_vcnend)); 1825*26f3deacStedu error = ntfs_readntvattr_plain(ntmp, ip, vap, 1826*26f3deacStedu off - ntfs_cntob(vap->va_vcnstart), 1827*26f3deacStedu toread, data, &init, uio); 1828*26f3deacStedu if (error) { 1829*26f3deacStedu printf("ntfs_readattr_plain: " \ 1830*26f3deacStedu "ntfs_readntvattr_plain failed: o: %d, s: %d\n", 1831*26f3deacStedu (u_int32_t) off, (u_int32_t) toread); 1832*26f3deacStedu printf("ntfs_readattr_plain: attrib: %d - %d\n", 1833*26f3deacStedu (u_int32_t) vap->va_vcnstart, 1834*26f3deacStedu (u_int32_t) vap->va_vcnend); 1835*26f3deacStedu ntfs_ntvattrrele(vap); 1836*26f3deacStedu break; 1837*26f3deacStedu } 1838*26f3deacStedu ntfs_ntvattrrele(vap); 1839*26f3deacStedu left -= toread; 1840*26f3deacStedu off += toread; 1841*26f3deacStedu data = data + toread; 1842*26f3deacStedu *initp += init; 1843*26f3deacStedu } 1844*26f3deacStedu 1845*26f3deacStedu return (error); 1846*26f3deacStedu } 1847*26f3deacStedu 1848*26f3deacStedu /* 1849*26f3deacStedu * This is one of read routines. 1850*26f3deacStedu */ 1851*26f3deacStedu int 1852*26f3deacStedu ntfs_readattr( 1853*26f3deacStedu struct ntfsmount * ntmp, 1854*26f3deacStedu struct ntnode * ip, 1855*26f3deacStedu u_int32_t attrnum, 1856*26f3deacStedu char *attrname, 1857*26f3deacStedu off_t roff, 1858*26f3deacStedu size_t rsize, 1859*26f3deacStedu void *rdata, 1860*26f3deacStedu struct uio *uio) 1861*26f3deacStedu { 1862*26f3deacStedu int error = 0; 1863*26f3deacStedu struct ntvattr *vap; 1864*26f3deacStedu size_t init; 1865*26f3deacStedu 1866*26f3deacStedu ddprintf(("ntfs_readattr: reading %d: 0x%x, from %d size %d bytes\n", 1867*26f3deacStedu ip->i_number, attrnum, (u_int32_t) roff, (u_int32_t) rsize)); 1868*26f3deacStedu 1869*26f3deacStedu error = ntfs_ntvattrget(ntmp, ip, attrnum, attrname, 0, &vap); 1870*26f3deacStedu if (error) 1871*26f3deacStedu return (error); 1872*26f3deacStedu 1873*26f3deacStedu if ((roff > vap->va_datalen) || 1874*26f3deacStedu (roff + rsize > vap->va_datalen)) { 1875*26f3deacStedu printf("ntfs_readattr: offset too big: %ld (%ld) > %ld\n", 1876*26f3deacStedu (long int) roff, (long int) roff + rsize, 1877*26f3deacStedu (long int) vap->va_datalen); 1878*26f3deacStedu ntfs_ntvattrrele(vap); 1879*26f3deacStedu return (E2BIG); 1880*26f3deacStedu } 1881*26f3deacStedu if (vap->va_compression && vap->va_compressalg) { 1882*26f3deacStedu u_int8_t *cup; 1883*26f3deacStedu u_int8_t *uup; 1884*26f3deacStedu off_t off = roff, left = rsize, tocopy; 1885*26f3deacStedu caddr_t data = rdata; 1886*26f3deacStedu cn_t cn; 1887*26f3deacStedu 1888*26f3deacStedu ddprintf(("ntfs_ntreadattr: compression: %d\n", 1889*26f3deacStedu vap->va_compressalg)); 1890*26f3deacStedu 1891*26f3deacStedu MALLOC(cup, u_int8_t *, ntfs_cntob(NTFS_COMPUNIT_CL), 1892*26f3deacStedu M_NTFSDECOMP, M_WAITOK); 1893*26f3deacStedu MALLOC(uup, u_int8_t *, ntfs_cntob(NTFS_COMPUNIT_CL), 1894*26f3deacStedu M_NTFSDECOMP, M_WAITOK); 1895*26f3deacStedu 1896*26f3deacStedu cn = (ntfs_btocn(roff)) & (~(NTFS_COMPUNIT_CL - 1)); 1897*26f3deacStedu off = roff - ntfs_cntob(cn); 1898*26f3deacStedu 1899*26f3deacStedu while (left) { 1900*26f3deacStedu error = ntfs_readattr_plain(ntmp, ip, attrnum, 1901*26f3deacStedu attrname, ntfs_cntob(cn), 1902*26f3deacStedu ntfs_cntob(NTFS_COMPUNIT_CL), 1903*26f3deacStedu cup, &init, NULL); 1904*26f3deacStedu if (error) 1905*26f3deacStedu break; 1906*26f3deacStedu 1907*26f3deacStedu tocopy = min(left, ntfs_cntob(NTFS_COMPUNIT_CL) - off); 1908*26f3deacStedu 1909*26f3deacStedu if (init == ntfs_cntob(NTFS_COMPUNIT_CL)) { 1910*26f3deacStedu if (uio) 1911*26f3deacStedu uiomove(cup + off, tocopy, uio); 1912*26f3deacStedu else 1913*26f3deacStedu memcpy(data, cup + off, tocopy); 1914*26f3deacStedu } else if (init == 0) { 1915*26f3deacStedu if (uio) { 1916*26f3deacStedu size_t remains = tocopy; 1917*26f3deacStedu for(; remains; remains--) 1918*26f3deacStedu uiomove("", 1, uio); 1919*26f3deacStedu } 1920*26f3deacStedu else 1921*26f3deacStedu bzero(data, tocopy); 1922*26f3deacStedu } else { 1923*26f3deacStedu error = ntfs_uncompunit(ntmp, uup, cup); 1924*26f3deacStedu if (error) 1925*26f3deacStedu break; 1926*26f3deacStedu if (uio) 1927*26f3deacStedu uiomove(uup + off, tocopy, uio); 1928*26f3deacStedu else 1929*26f3deacStedu memcpy(data, uup + off, tocopy); 1930*26f3deacStedu } 1931*26f3deacStedu 1932*26f3deacStedu left -= tocopy; 1933*26f3deacStedu data = data + tocopy; 1934*26f3deacStedu off += tocopy - ntfs_cntob(NTFS_COMPUNIT_CL); 1935*26f3deacStedu cn += NTFS_COMPUNIT_CL; 1936*26f3deacStedu } 1937*26f3deacStedu 1938*26f3deacStedu FREE(uup, M_NTFSDECOMP); 1939*26f3deacStedu FREE(cup, M_NTFSDECOMP); 1940*26f3deacStedu } else 1941*26f3deacStedu error = ntfs_readattr_plain(ntmp, ip, attrnum, attrname, 1942*26f3deacStedu roff, rsize, rdata, &init, uio); 1943*26f3deacStedu ntfs_ntvattrrele(vap); 1944*26f3deacStedu return (error); 1945*26f3deacStedu } 1946*26f3deacStedu 1947*26f3deacStedu #if UNUSED_CODE 1948*26f3deacStedu int 1949*26f3deacStedu ntfs_parserun( 1950*26f3deacStedu cn_t * cn, 1951*26f3deacStedu cn_t * cl, 1952*26f3deacStedu u_int8_t * run, 1953*26f3deacStedu u_long len, 1954*26f3deacStedu u_long *off) 1955*26f3deacStedu { 1956*26f3deacStedu u_int8_t sz; 1957*26f3deacStedu int i; 1958*26f3deacStedu 1959*26f3deacStedu if (NULL == run) { 1960*26f3deacStedu printf("ntfs_parsetun: run == NULL\n"); 1961*26f3deacStedu return (EINVAL); 1962*26f3deacStedu } 1963*26f3deacStedu sz = run[(*off)++]; 1964*26f3deacStedu if (0 == sz) { 1965*26f3deacStedu printf("ntfs_parserun: trying to go out of run\n"); 1966*26f3deacStedu return (E2BIG); 1967*26f3deacStedu } 1968*26f3deacStedu *cl = 0; 1969*26f3deacStedu if ((sz & 0xF) > 8 || (*off) + (sz & 0xF) > len) { 1970*26f3deacStedu printf("ntfs_parserun: " \ 1971*26f3deacStedu "bad run: length too big: sz: 0x%02x (%ld < %ld + sz)\n", 1972*26f3deacStedu sz, len, *off); 1973*26f3deacStedu return (EINVAL); 1974*26f3deacStedu } 1975*26f3deacStedu for (i = 0; i < (sz & 0xF); i++) 1976*26f3deacStedu *cl += (u_int32_t) run[(*off)++] << (i << 3); 1977*26f3deacStedu 1978*26f3deacStedu sz >>= 4; 1979*26f3deacStedu if ((sz & 0xF) > 8 || (*off) + (sz & 0xF) > len) { 1980*26f3deacStedu printf("ntfs_parserun: " \ 1981*26f3deacStedu "bad run: length too big: sz: 0x%02x (%ld < %ld + sz)\n", 1982*26f3deacStedu sz, len, *off); 1983*26f3deacStedu return (EINVAL); 1984*26f3deacStedu } 1985*26f3deacStedu for (i = 0; i < (sz & 0xF); i++) 1986*26f3deacStedu *cn += (u_int32_t) run[(*off)++] << (i << 3); 1987*26f3deacStedu 1988*26f3deacStedu return (0); 1989*26f3deacStedu } 1990*26f3deacStedu #endif 1991*26f3deacStedu 1992*26f3deacStedu /* 1993*26f3deacStedu * Process fixup routine on given buffer. 1994*26f3deacStedu */ 1995*26f3deacStedu int 1996*26f3deacStedu ntfs_procfixups( 1997*26f3deacStedu struct ntfsmount * ntmp, 1998*26f3deacStedu u_int32_t magic, 1999*26f3deacStedu caddr_t buf, 2000*26f3deacStedu size_t len) 2001*26f3deacStedu { 2002*26f3deacStedu struct fixuphdr *fhp = (struct fixuphdr *) buf; 2003*26f3deacStedu int i; 2004*26f3deacStedu u_int16_t fixup; 2005*26f3deacStedu u_int16_t *fxp; 2006*26f3deacStedu u_int16_t *cfxp; 2007*26f3deacStedu 2008*26f3deacStedu if (fhp->fh_magic != magic) { 2009*26f3deacStedu printf("ntfs_procfixups: magic doesn't match: %08x != %08x\n", 2010*26f3deacStedu fhp->fh_magic, magic); 2011*26f3deacStedu return (EINVAL); 2012*26f3deacStedu } 2013*26f3deacStedu if ((fhp->fh_fnum - 1) * ntmp->ntm_bps != len) { 2014*26f3deacStedu printf("ntfs_procfixups: " \ 2015*26f3deacStedu "bad fixups number: %d for %ld bytes block\n", 2016*26f3deacStedu fhp->fh_fnum, (long)len); /* XXX printf kludge */ 2017*26f3deacStedu return (EINVAL); 2018*26f3deacStedu } 2019*26f3deacStedu if (fhp->fh_foff >= ntmp->ntm_spc * ntmp->ntm_mftrecsz * ntmp->ntm_bps) { 2020*26f3deacStedu printf("ntfs_procfixups: invalid offset: %x", fhp->fh_foff); 2021*26f3deacStedu return (EINVAL); 2022*26f3deacStedu } 2023*26f3deacStedu fxp = (u_int16_t *) (buf + fhp->fh_foff); 2024*26f3deacStedu cfxp = (u_int16_t *) (buf + ntmp->ntm_bps - 2); 2025*26f3deacStedu fixup = *fxp++; 2026*26f3deacStedu for (i = 1; i < fhp->fh_fnum; i++, fxp++) { 2027*26f3deacStedu if (*cfxp != fixup) { 2028*26f3deacStedu printf("ntfs_procfixups: fixup %d doesn't match\n", i); 2029*26f3deacStedu return (EINVAL); 2030*26f3deacStedu } 2031*26f3deacStedu *cfxp = *fxp; 2032*26f3deacStedu ((caddr_t) cfxp) += ntmp->ntm_bps; 2033*26f3deacStedu } 2034*26f3deacStedu return (0); 2035*26f3deacStedu } 2036*26f3deacStedu 2037*26f3deacStedu #if UNUSED_CODE 2038*26f3deacStedu int 2039*26f3deacStedu ntfs_runtocn( 2040*26f3deacStedu cn_t * cn, 2041*26f3deacStedu struct ntfsmount * ntmp, 2042*26f3deacStedu u_int8_t * run, 2043*26f3deacStedu u_long len, 2044*26f3deacStedu cn_t vcn) 2045*26f3deacStedu { 2046*26f3deacStedu cn_t ccn = 0; 2047*26f3deacStedu cn_t ccl = 0; 2048*26f3deacStedu u_long off = 0; 2049*26f3deacStedu int error = 0; 2050*26f3deacStedu 2051*26f3deacStedu #if NTFS_DEBUG 2052*26f3deacStedu int i; 2053*26f3deacStedu printf("ntfs_runtocn: run: 0x%p, %ld bytes, vcn:%ld\n", 2054*26f3deacStedu run, len, (u_long) vcn); 2055*26f3deacStedu printf("ntfs_runtocn: run: "); 2056*26f3deacStedu for (i = 0; i < len; i++) 2057*26f3deacStedu printf("0x%02x ", run[i]); 2058*26f3deacStedu printf("\n"); 2059*26f3deacStedu #endif 2060*26f3deacStedu 2061*26f3deacStedu if (NULL == run) { 2062*26f3deacStedu printf("ntfs_runtocn: run == NULL\n"); 2063*26f3deacStedu return (EINVAL); 2064*26f3deacStedu } 2065*26f3deacStedu do { 2066*26f3deacStedu if (run[off] == 0) { 2067*26f3deacStedu printf("ntfs_runtocn: vcn too big\n"); 2068*26f3deacStedu return (E2BIG); 2069*26f3deacStedu } 2070*26f3deacStedu vcn -= ccl; 2071*26f3deacStedu error = ntfs_parserun(&ccn, &ccl, run, len, &off); 2072*26f3deacStedu if (error) { 2073*26f3deacStedu printf("ntfs_runtocn: ntfs_parserun failed\n"); 2074*26f3deacStedu return (error); 2075*26f3deacStedu } 2076*26f3deacStedu } while (ccl <= vcn); 2077*26f3deacStedu *cn = ccn + vcn; 2078*26f3deacStedu return (0); 2079*26f3deacStedu } 2080*26f3deacStedu #endif 2081*26f3deacStedu 2082*26f3deacStedu /* 2083*26f3deacStedu * this initializes toupper table & dependant variables to be ready for 2084*26f3deacStedu * later work 2085*26f3deacStedu */ 2086*26f3deacStedu void 2087*26f3deacStedu ntfs_toupper_init() 2088*26f3deacStedu { 2089*26f3deacStedu ntfs_toupper_tab = (wchar *) NULL; 2090*26f3deacStedu lockinit(&ntfs_toupper_lock, PVFS, "ntfs_toupper", 0, 0); 2091*26f3deacStedu ntfs_toupper_usecount = 0; 2092*26f3deacStedu } 2093*26f3deacStedu 2094*26f3deacStedu /* 2095*26f3deacStedu * if the ntfs_toupper_tab[] is filled already, just raise use count; 2096*26f3deacStedu * otherwise read the data from the filesystem we are currently mounting 2097*26f3deacStedu */ 2098*26f3deacStedu int 2099*26f3deacStedu #ifndef __OpenBSD__ 2100*26f3deacStedu ntfs_toupper_use(mp, ntmp) 2101*26f3deacStedu struct mount *mp; 2102*26f3deacStedu struct ntfsmount *ntmp; 2103*26f3deacStedu #else 2104*26f3deacStedu ntfs_toupper_use(mp, ntmp, p) 2105*26f3deacStedu struct mount *mp; 2106*26f3deacStedu struct ntfsmount *ntmp; 2107*26f3deacStedu struct proc *p; 2108*26f3deacStedu #endif 2109*26f3deacStedu { 2110*26f3deacStedu int error = 0; 2111*26f3deacStedu struct vnode *vp; 2112*26f3deacStedu 2113*26f3deacStedu /* get exclusive access */ 2114*26f3deacStedu #ifndef __OpenBSD__ 2115*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_EXCLUSIVE, NULL); 2116*26f3deacStedu #else 2117*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_EXCLUSIVE, NULL, p); 2118*26f3deacStedu #endif 2119*26f3deacStedu 2120*26f3deacStedu /* only read the translation data from a file if it hasn't been 2121*26f3deacStedu * read already */ 2122*26f3deacStedu if (ntfs_toupper_tab) 2123*26f3deacStedu goto out; 2124*26f3deacStedu 2125*26f3deacStedu /* 2126*26f3deacStedu * Read in Unicode lowercase -> uppercase translation file. 2127*26f3deacStedu * XXX for now, just the first 256 entries are used anyway, 2128*26f3deacStedu * so don't bother reading more 2129*26f3deacStedu */ 2130*26f3deacStedu MALLOC(ntfs_toupper_tab, wchar *, 256 * 256 * sizeof(wchar), 2131*26f3deacStedu M_NTFSRDATA, M_WAITOK); 2132*26f3deacStedu 2133*26f3deacStedu if ((error = VFS_VGET(mp, NTFS_UPCASEINO, &vp))) 2134*26f3deacStedu goto out; 2135*26f3deacStedu error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL, 2136*26f3deacStedu 0, 256*256*sizeof(wchar), (char *) ntfs_toupper_tab, 2137*26f3deacStedu NULL); 2138*26f3deacStedu vput(vp); 2139*26f3deacStedu 2140*26f3deacStedu out: 2141*26f3deacStedu ntfs_toupper_usecount++; 2142*26f3deacStedu #ifndef __OpenBSD__ 2143*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_RELEASE, NULL); 2144*26f3deacStedu #else 2145*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_RELEASE, NULL, p); 2146*26f3deacStedu #endif 2147*26f3deacStedu return (error); 2148*26f3deacStedu } 2149*26f3deacStedu 2150*26f3deacStedu /* 2151*26f3deacStedu * lower the use count and if it reaches zero, free the memory 2152*26f3deacStedu * tied by toupper table 2153*26f3deacStedu */ 2154*26f3deacStedu void 2155*26f3deacStedu #ifndef __OpenBSD__ 2156*26f3deacStedu ntfs_toupper_unuse() 2157*26f3deacStedu #else 2158*26f3deacStedu ntfs_toupper_unuse(p) 2159*26f3deacStedu struct proc *p; 2160*26f3deacStedu #endif 2161*26f3deacStedu { 2162*26f3deacStedu /* get exclusive access */ 2163*26f3deacStedu #ifndef __OpenBSD__ 2164*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_EXCLUSIVE, NULL); 2165*26f3deacStedu #else 2166*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_EXCLUSIVE, NULL, p); 2167*26f3deacStedu #endif 2168*26f3deacStedu 2169*26f3deacStedu ntfs_toupper_usecount--; 2170*26f3deacStedu if (ntfs_toupper_usecount == 0) { 2171*26f3deacStedu FREE(ntfs_toupper_tab, M_NTFSRDATA); 2172*26f3deacStedu ntfs_toupper_tab = NULL; 2173*26f3deacStedu } 2174*26f3deacStedu #ifdef DIAGNOSTIC 2175*26f3deacStedu else if (ntfs_toupper_usecount < 0) { 2176*26f3deacStedu panic("ntfs_toupper_unuse(): use count negative: %d", 2177*26f3deacStedu ntfs_toupper_usecount); 2178*26f3deacStedu } 2179*26f3deacStedu #endif 2180*26f3deacStedu 2181*26f3deacStedu /* release the lock */ 2182*26f3deacStedu #ifndef __OpenBSD__ 2183*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_RELEASE, NULL); 2184*26f3deacStedu #else 2185*26f3deacStedu lockmgr(&ntfs_toupper_lock, LK_RELEASE, NULL, p); 2186*26f3deacStedu #endif 2187*26f3deacStedu } 2188