restore/utilities.c

   1 /*
   2  *      Ported to Linux's Second Extended File System as part of the
   3  *      dump and restore backup suit
   4  *      Remy Card <card@Linux.EU.Org>, 1994-1997
   5  *      Stelian Pop <stelian@popies.net>, 1999-2000
   6  *      Stelian Pop <stelian@popies.net> - Alcôve <www.alcove.com>, 2000-2002
   7  */
   8
   9 /*
  10  * Copyright (c) 1983, 1993
  11  *      The Regents of the University of California.  All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. Neither the name of the University nor the names of its contributors
  22  *    may be used to endorse or promote products derived from this software
  23  *    without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35  * SUCH DAMAGE.
  36  */
  37
  38 #ifndef lint
  39 static const char rcsid[] =
  40         "$Id: utilities.c,v 1.27 2005/01/13 15:41:07 stelian Exp $";
  41 #endif /* not lint */
  42
  43 #include <config.h>
  44 #include <compatlfs.h>
  45 #include <sys/types.h>
  46 #include <errno.h>
  47 #include <compaterr.h>
  48 #include <stdio.h>
  49 #include <string.h>
  50 #include <unistd.h>
  51
  52 #include <sys/param.h>
  53 #include <sys/stat.h>
  54
  55 #ifdef  __linux__
  56 #include <sys/time.h>
  57 #include <time.h>
  58 #include <fcntl.h>
  59 #ifdef HAVE_EXT2FS_EXT2_FS_H
  60 #include <ext2fs/ext2_fs.h>
  61 #else
  62 #include <linux/ext2_fs.h>
  63 #endif
  64 #include <ext2fs/ext2fs.h>
  65 #include <bsdcompat.h>
  66 #else   /* __linux__ */
  67 #ifdef sunos
  68 #include <sys/time.h>
  69 #include <sys/fcntl.h>
  70 #include <bsdcompat.h>
  71 #else
  72 #include <ufs/ufs/dinode.h>
  73 #include <ufs/ufs/dir.h>
  74 #endif
  75 #endif  /* __linux__ */
  76 #ifdef DUMP_MACOSX
  77 #include "darwin.h"
  78 #endif
  79 #include "restore.h"
  80 #include "extern.h"
  81
  82 /*
  83  * Insure that all the components of a pathname exist.
  84  */
  85 void
  86 pathcheck(char *name)
  87 {
  88         char *cp;
  89         struct entry *ep;
  90         char *start;
  91
  92         start = strchr(name, '/');
  93         if (start == 0)
  94                 return;
  95         for (cp = start; *cp != '\0'; cp++) {
  96                 if (*cp != '/')
  97                         continue;
  98                 *cp = '\0';
  99                 ep = lookupname(name);
 100                 if (ep == NULL) {
 101                         /* Safe; we know the pathname exists in the dump. */
 102                         ep = addentry(name, pathsearch(name)->d_ino, NODE);
 103                         newnode(ep);
 104                 }
 105                 ep->e_flags |= NEW|KEEP;
 106                 *cp = '/';
 107         }
 108 }
 109
 110 /*
 111  * Change a name to a unique temporary name.
 112  */
 113 void
 114 mktempname(struct entry *ep)
 115 {
 116         char oldname[MAXPATHLEN];
 117
 118         if (ep->e_flags & TMPNAME)
 119                 badentry(ep, "mktempname: called with TMPNAME");
 120         ep->e_flags |= TMPNAME;
 121         (void) strcpy(oldname, myname(ep));
 122         freename(ep->e_name);
 123         ep->e_name = savename(gentempname(ep));
 124         ep->e_namlen = strlen(ep->e_name);
 125         renameit(oldname, myname(ep));
 126 }
 127
 128 /*
 129  * Generate a temporary name for an entry.
 130  */
 131 char *
 132 gentempname(struct entry *ep)
 133 {
 134         static char name[MAXPATHLEN];
 135         struct entry *np;
 136         long i = 0;
 137
 138         for (np = lookupino(ep->e_ino);
 139             np != NULL && np != ep; np = np->e_links)
 140                 i++;
 141         if (np == NULL)
 142                 badentry(ep, "not on ino list");
 143         (void) snprintf(name, sizeof(name), "%s%ld%lu", TMPHDR, i, (unsigned long)ep->e_ino);
 144         return (name);
 145 }
 146
 147 /*
 148  * Rename a file or directory.
 149  */
 150 void
 151 renameit(char *from, char *to)
 152 {
 153         if (!Nflag && rename(from, to) < 0) {
 154                 warn("cannot rename %s to %s", from, to);
 155                 return;
 156         }
 157         Vprintf(stdout, "rename %s to %s\n", from, to);
 158 }
 159
 160 /*
 161  * Create a new node (directory).
 162  */
 163 void
 164 newnode(struct entry *np)
 165 {
 166         char *cp;
 167         if (np->e_type != NODE)
 168                 badentry(np, "newnode: not a node");
 169         cp = myname(np);
 170         if (command == 'C') return;
 171
 172         if (!Nflag && mkdir(cp, 0777) < 0 && !uflag) {
 173                 np->e_flags |= EXISTED;
 174                 warn("%s", cp);
 175                 return;
 176         }
 177         Vprintf(stdout, "Make node %s\n", cp);
 178 }
 179
 180 /*
 181  * Remove an old node (directory).
 182  */
 183 void
 184 removenode(struct entry *ep)
 185 {
 186         char *cp;
 187
 188         if (ep->e_type != NODE)
 189                 badentry(ep, "removenode: not a node");
 190         if (ep->e_entries != NULL) {
 191                 int i;
 192                 for (i = 0; i < DIRHASH_SIZE; i++) {
 193                         if (ep->e_entries[i] != NULL)
 194                                 badentry(ep, "removenode: non-empty directory");
 195                 }
 196         }
 197         ep->e_flags |= REMOVED;
 198         ep->e_flags &= ~TMPNAME;
 199         cp = myname(ep);
 200         if (!Nflag && rmdir(cp) < 0) {
 201                 warn("%s", cp);
 202                 return;
 203         }
 204         Vprintf(stdout, "Remove node %s\n", cp);
 205 }
 206
 207 /*
 208  * Remove a leaf.
 209  */
 210 void
 211 removeleaf(struct entry *ep)
 212 {
 213         char *cp;
 214
 215         if (command == 'C') return;
 216
 217         if (ep->e_type != LEAF)
 218                 badentry(ep, "removeleaf: not a leaf");
 219         ep->e_flags |= REMOVED;
 220         ep->e_flags &= ~TMPNAME;
 221         cp = myname(ep);
 222         if (!Nflag && unlink(cp) < 0) {
 223                 warn("%s", cp);
 224                 return;
 225         }
 226         Vprintf(stdout, "Remove leaf %s\n", cp);
 227 }
 228
 229 /*
 230  * Create a link.
 231  */
 232 int
 233 linkit(char *existing, char *new, int type)
 234 {
 235
 236         /* if we want to unlink first, do it now so *link() won't fail */
 237         if (uflag && !Nflag)
 238                 (void)unlink(new);
 239
 240         if (type == SYMLINK) {
 241                 if (!Nflag && symlink(existing, new) < 0) {
 242                         warn("cannot create symbolic link %s->%s",
 243                             new, existing);
 244                         return (FAIL);
 245                 }
 246         } else if (type == HARDLINK) {
 247                 int ret;
 248
 249                 if (!Nflag && (ret = link(existing, new)) < 0) {
 250
 251 #if !defined(__linux__) && !defined(sunos)
 252                         struct stat s;
 253
 254                         /*
 255                          * Most likely, the schg flag is set.  Clear the
 256                          * flags and try again.
 257                          */
 258                         if (stat(existing, &s) == 0 && s.st_flags != 0 &&
 259                             chflags(existing, 0) == 0) {
 260                                 ret = link(existing, new);
 261                                 chflags(existing, s.st_flags);
 262                         }
 263 #else
 264                         unsigned long s;
 265
 266                         /*
 267                          * Most likely, the immutable or append-only attribute
 268                          * is set. Clear the attributes and try again.
 269                          */
 270 #ifdef sunos
 271 #else
 272                         if (lgetflags (existing, &s) != -1 &&
 273                             lsetflags (existing, 0) != -1) {
 274                                 ret = link(existing, new);
 275                                 lsetflags(existing, s);
 276                         }
 277 #endif
 278 #endif
 279                         if (ret < 0) {
 280                                 warn("warning: cannot create hard link %s->%s",
 281                                     new, existing);
 282                                 return (FAIL);
 283                         }
 284                 }
 285         } else {
 286                 panic("linkit: unknown type %d\n", type);
 287                 return (FAIL);
 288         }
 289         Vprintf(stdout, "Create %s link %s->%s\n",
 290                 type == SYMLINK ? "symbolic" : "hard", new, existing);
 291         return (GOOD);
 292 }
 293
 294 #if !defined(__linux__) && !defined(sunos)
 295 /*
 296  * Create a whiteout.
 297  */
 298 int
 299 addwhiteout(char *name)
 300 {
 301
 302         if (!Nflag && mknod(name, S_IFWHT, 0) < 0) {
 303                 warn("cannot create whiteout %s", name);
 304                 return (FAIL);
 305         }
 306         Vprintf(stdout, "Create whiteout %s\n", name);
 307         return (GOOD);
 308 }
 309
 310 /*
 311  * Delete a whiteout.
 312  */
 313 void
 314 delwhiteout(struct entry *ep)
 315 {
 316         char *name;
 317
 318         if (ep->e_type != LEAF)
 319                 badentry(ep, "delwhiteout: not a leaf");
 320         ep->e_flags |= REMOVED;
 321         ep->e_flags &= ~TMPNAME;
 322         name = myname(ep);
 323         if (!Nflag && undelete(name) < 0) {
 324                 warn("cannot delete whiteout %s", name);
 325                 return;
 326         }
 327         Vprintf(stdout, "Delete whiteout %s\n", name);
 328 }
 329 #endif
 330
 331 /*
 332  * find lowest number file (above "start") that needs to be extracted
 333  */
 334 dump_ino_t
 335 lowerbnd(dump_ino_t start)
 336 {
 337         struct entry *ep;
 338
 339         for ( ; start < maxino; start++) {
 340                 ep = lookupino(start);
 341                 if (ep == NULL || ep->e_type == NODE)
 342                         continue;
 343                 if (ep->e_flags & (NEW|EXTRACT))
 344                         return (start);
 345         }
 346         return (start);
 347 }
 348
 349 /*
 350  * find highest number file (below "start") that needs to be extracted
 351  */
 352 dump_ino_t
 353 upperbnd(dump_ino_t start)
 354 {
 355         struct entry *ep;
 356
 357         for ( ; start > ROOTINO; start--) {
 358                 ep = lookupino(start);
 359                 if (ep == NULL || ep->e_type == NODE)
 360                         continue;
 361                 if (ep->e_flags & (NEW|EXTRACT))
 362                         return (start);
 363         }
 364         return (start);
 365 }
 366
 367 /*
 368  * report on a badly formed entry
 369  */
 370 void
 371 badentry(struct entry *ep, const char *msg)
 372 {
 373
 374         fprintf(stderr, "bad entry: %s\n", msg);
 375         fprintf(stderr, "name: %s\n", myname(ep));
 376         fprintf(stderr, "parent name %s\n", myname(ep->e_parent));
 377         if (ep->e_sibling != NULL)
 378                 fprintf(stderr, "sibling name: %s\n", myname(ep->e_sibling));
 379         if (ep->e_entries != NULL) {
 380                 int i;
 381                 for (i = 0; i < DIRHASH_SIZE; i++) {
 382                         if (ep->e_entries[i] != NULL) {
 383                                 fprintf(stderr, "next entry name: %s\n", myname(ep->e_entries[0]));
 384                                 break;
 385                         }
 386                 }
 387         }
 388         if (ep->e_links != NULL)
 389                 fprintf(stderr, "next link name: %s\n", myname(ep->e_links));
 390         if (ep->e_next != NULL)
 391                 fprintf(stderr,
 392                     "next hashchain name: %s\n", myname(ep->e_next));
 393         fprintf(stderr, "entry type: %s\n",
 394                 ep->e_type == NODE ? "NODE" : "LEAF");
 395         fprintf(stderr, "inode number: %lu\n", (unsigned long)ep->e_ino);
 396         panic("flags: %s\n", flagvalues(ep));
 397 }
 398
 399 /*
 400  * Construct a string indicating the active flag bits of an entry.
 401  */
 402 char *
 403 flagvalues(struct entry *ep)
 404 {
 405         static char flagbuf[BUFSIZ];
 406
 407         (void) strcpy(flagbuf, "|NIL");
 408         flagbuf[0] = '\0';
 409         if (ep->e_flags & REMOVED)
 410                 (void) strcat(flagbuf, "|REMOVED");
 411         if (ep->e_flags & TMPNAME)
 412                 (void) strcat(flagbuf, "|TMPNAME");
 413         if (ep->e_flags & EXTRACT)
 414                 (void) strcat(flagbuf, "|EXTRACT");
 415         if (ep->e_flags & NEW)
 416                 (void) strcat(flagbuf, "|NEW");
 417         if (ep->e_flags & KEEP)
 418                 (void) strcat(flagbuf, "|KEEP");
 419         if (ep->e_flags & EXISTED)
 420                 (void) strcat(flagbuf, "|EXISTED");
 421         return (&flagbuf[1]);
 422 }
 423
 424 /*
 425  * Check to see if a name is on a dump tape.
 426  */
 427 dump_ino_t
 428 dirlookup(const char *name)
 429 {
 430         struct direct *dp;
 431         dump_ino_t ino;
 432
 433         ino = ((dp = pathsearch(name)) == NULL) ? 0 : dp->d_ino;
 434
 435         if (ino == 0 || TSTINO(ino, dumpmap) == 0)
 436                 fprintf(stderr, "%s is not on the tape\n", name);
 437         return (ino);
 438 }
 439
 440 /*
 441  * Elicit a reply.
 442  */
 443 int
 444 reply(const char *question)
 445 {
 446         char c;
 447
 448         do      {
 449                 fprintf(stderr, "%s? [yn] ", question);
 450                 (void) fflush(stderr);
 451                 c = getc(terminal);
 452                 while (c != '\n' && getc(terminal) != '\n')
 453                         if (feof(terminal))
 454                                 return (FAIL);
 455         } while (c != 'y' && c != 'n');
 456         if (c == 'y')
 457                 return (GOOD);
 458         return (FAIL);
 459 }
 460
 461 /*
 462  * handle unexpected inconsistencies
 463  */
 464 #ifdef __STDC__
 465 #include <stdarg.h>
 466 #else
 467 #include <varargs.h>
 468 #endif
 469
 470 void
 471 #ifdef __STDC__
 472 panic(const char *fmt, ...)
 473 #else
 474 panic(fmt, va_alist)
 475         char *fmt;
 476         va_dcl
 477 #endif
 478 {
 479         va_list ap;
 480 #ifdef __STDC__
 481         va_start(ap, fmt);
 482 #else
 483         va_start(ap);
 484 #endif
 485
 486         vfprintf(stderr, fmt, ap);
 487         if (yflag)
 488                 return;
 489         if (reply("abort") == GOOD) {
 490                 if (reply("dump core") == GOOD) {
 491                         fchdir(wdfd);
 492                         abort();
 493                 }
 494                 exit(1);
 495         }
 496 }
 497
 498 void resizemaps(dump_ino_t oldmax, dump_ino_t newmax)
 499 {
 500         char *map;
 501
 502         if (usedinomap) {
 503                 map = calloc((unsigned)1, (unsigned)howmany(newmax, NBBY));
 504                 if (map == NULL)
 505                         errx(1, "no memory for active inode map");
 506                 memcpy(map, usedinomap, howmany(oldmax, NBBY));
 507                 free(usedinomap);
 508                 usedinomap = map;
 509         }
 510         if (dumpmap) {
 511                 map = calloc((unsigned)1, (unsigned)howmany(newmax, NBBY));
 512                 if (map == NULL)
 513                         errx(1, "no memory for file dump list");
 514                 memcpy(map, dumpmap, howmany(oldmax, NBBY));
 515                 free(dumpmap);
 516                 dumpmap = map;
 517         }
 518 }
 519
 520 void
 521 GetPathFile(char *source, char *path, char *fname)
 522 {
 523         char *p, *s;
 524
 525         *path = 0;
 526         *fname = 0;
 527         p = s = source;
 528         while (*s) {
 529                 if (*s == '/') {
 530                         p = s + 1;
 531                 }
 532                 s++;
 533         }
 534         if (p == source) {
 535                 *path = 0;
 536         } else {
 537                 strncpy(path, source, p - source);
 538                 path[p - source] = 0;
 539         }
 540         strcpy(fname, p);
 541 }
 542
 543 #ifdef USE_QFA
 544 /*
 545  * search for ino in QFA file
 546  *
 547  * if exactmatch:
 548  * if ino found return tape number and tape position
 549  * if ino not found return tnum=0 and tpos=0
 550  *
 551  * if not exactmatch:
 552  * if ino found return tape number and tape position
 553  * if ino not found return tape number and tape position of last smaller ino
 554  * if no smaller inode found return tnum=0 and tpos=0
 555  */
 556 int
 557 Inode2Tapepos(dump_ino_t ino, long *tnum, long long *tpos, int exactmatch)
 558 {
 559         char *p, *pp;
 560         char numbuff[32];
 561         unsigned long tmpino;
 562         long tmptnum;
 563         long long tmptpos;
 564
 565         *tpos = 0;
 566         *tnum = 0;
 567         if (fseek(gTapeposfp, gSeekstart, SEEK_SET) == -1)
 568                 return errno;
 569         while (1) {
 570                 gSeekstart = ftell(gTapeposfp); /* remember for later use */
 571                 if (fgets(gTps, sizeof(gTps), gTapeposfp) == NULL) {
 572                         return 0;
 573                 }
 574                 gTps[strlen(gTps) - 1] = 0;     /* delete end of line */
 575                 p = gTps;
 576                 bzero(numbuff, sizeof(numbuff));
 577                 pp = numbuff;
 578                 /* read inode */
 579                 while ((*p != 0) && (*p != '\t'))
 580                         *pp++ = *p++;
 581                 tmpino = atol(numbuff);
 582                 if (*p == 0)
 583                         return 1;       /* may NOT happen */
 584                 p++;
 585                 bzero(numbuff, sizeof(numbuff));
 586                 pp = numbuff;
 587                 /* read tapenum */
 588                 while ((*p != 0) && (*p != '\t'))
 589                         *pp++ = *p++;
 590                 if (*p == 0)
 591                         return 1;       /* may NOT happen */
 592                 tmptnum = atol(numbuff);
 593                 p++;
 594                 bzero(numbuff, sizeof(numbuff));
 595                 pp = numbuff;
 596                 /* read tapepos */
 597                 while ((*p != 0) && (*p != '\t'))
 598                         *pp++ = *p++;
 599                 tmptpos = atoll(numbuff);
 600
 601                 if (exactmatch) {
 602                         if (tmpino == ino)  {
 603                                 *tnum = tmptnum;
 604                                 *tpos = tmptpos;
 605                                 return 0;
 606                         }
 607                 } else {
 608                         if (tmpino > ino)  {
 609                                 return 0;
 610                         } else {
 611                                 *tnum = tmptnum;
 612                                 *tpos = tmptpos;
 613                         }
 614                 }
 615         }
 616         return 0;
 617 }
 618
 619 #ifdef sunos
 620 int
 621 GetSCSIIDFromPath(char *devPath, long *id)
 622 {
 623         int     len;
 624         char    fbuff[2048];
 625         char    path[2048];
 626         char    fname[2048];
 627         char    *fpn = fname;
 628         char    idstr[32];
 629         char    *ip = idstr;
 630
 631         bzero(fbuff, sizeof(fbuff));
 632         if ((len = readlink(devPath, fbuff, 2048)) == -1) {
 633                 return errno;
 634         }
 635         fbuff[len] = 0;
 636         GetPathFile(fbuff, path, fname);
 637         (void)memset(idstr, 0, sizeof(idstr));
 638         while (*fpn && (*fpn != ',')) {
 639                 if (*fpn <= '9' && *fpn >= '0') {
 640                         *ip = *fpn;
 641                         ip++;
 642                 }
 643                 fpn++;
 644         }
 645         if (*idstr) {
 646                 *id = atol(idstr);
 647         } else {
 648                 *id = -1;
 649         }
 650         return 0;
 651 }
 652 #endif
 653 #endif /* USE_QFA */
 654
 655 #ifdef DUMP_MACOSX
 656 int
 657 CreateAppleDoubleFileRes(char *oFile, FndrFileInfo *finderinfo, mode_t mode, int flags,
 658                 struct timeval *timep, u_int32_t uid, u_int32_t gid)
 659 {
 660         int             err = 0;
 661         int             fdout;
 662         char            *p;
 663         char            *pp;
 664         ASDHeaderPtr    hp;
 665         ASDEntryPtr     ep;
 666         long            thesize;
 667         long            n;
 668
 669
 670         n = 1;  /* number of entries in double file ._ only finderinfo */
 671         /*
 672         no data fork
 673         n++;
 674         currently no resource fork
 675         n++;
 676         */
 677
 678         thesize = sizeof(ASDHeader) + (n * sizeof(ASDEntry)) + INFOLEN;
 679         if ((pp = p = (char *)malloc(thesize)) == NULL) {
 680                 err = errno;
 681                 return err;
 682         }
 683
 684         hp = (ASDHeaderPtr)p;
 685         p += sizeof(ASDHeader);
 686         ep = (ASDEntryPtr)p;
 687         p += sizeof(ASDEntry) * n;
 688
 689         hp->magic = ADOUBLE_MAGIC;
 690         hp->version = ASD_VERSION2;
 691
 692         bzero(&hp->filler, sizeof(hp->filler));
 693         hp->entries = (short)n;
 694
 695         ep->entryID = EntryFinderInfo;
 696         ep->offset = p - pp - CORRECT;
 697         ep->len = INFOLEN; /*  sizeof(MacFInfo) + sizeof(FXInfo); */
 698         bzero(p, ep->len);
 699         bcopy(finderinfo, p, sizeof(FndrFileInfo));
 700         p += ep->len;
 701         ep++;
 702
 703         if ((fdout = open(oFile, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) {
 704                 err = errno;
 705                 free(pp);
 706                 return err;
 707         }
 708
 709         /* write the ASDHeader */
 710         if (write(fdout, pp, sizeof(ASDHeader) - CORRECT) == -1) {
 711                 err = errno;
 712                 close(fdout);
 713                 free(pp);
 714                 unlink(oFile);
 715                 return err;
 716         }
 717         /* write the ASDEntries */
 718         if (write(fdout, pp + sizeof(ASDHeader), thesize - sizeof(ASDHeader)) == -1) {
 719                 err = errno;
 720                 close(fdout);
 721                 free(pp);
 722                 unlink(oFile);
 723                 return err;
 724         }
 725
 726         (void)fchown(fdout, uid, gid);
 727         (void)fchmod(fdout, mode);
 728         close(fdout);
 729         (void)lsetflags(oFile, flags);
 730         utimes(oFile, timep);
 731         free(pp);
 732         return err;
 733 }
 734 #endif /* DUMP_MACOSX */
 735
 736 int
 737 lgetflags(const char *path, unsigned long *flags)
 738 {
 739         int err;
 740         struct STAT sb;
 741
 742         err = LSTAT(path, &sb);
 743         if (err < 0)
 744                 return err;
 745
 746         if (S_ISLNK(sb.st_mode) || S_ISFIFO(sb.st_mode)) {
 747                 // no way to get/set flags on a symlink
 748                 *flags = 0;
 749                 return 0;
 750         }
 751         else
 752                 return fgetflags(path, flags);
 753 }
 754
 755 int
 756 lsetflags(const char *path, unsigned long flags)
 757 {
 758         int err;
 759         struct STAT sb;
 760
 761         err = LSTAT(path, &sb);
 762         if (err < 0)
 763                 return err;
 764
 765         if (S_ISLNK(sb.st_mode) || S_ISFIFO(sb.st_mode)) {
 766                 // no way to get/set flags on a symlink
 767                 return 0;
 768         }
 769         else
 770                 return fsetflags(path, flags);
 771 }