1 /*- 2 * Copyright (c) 1980, 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/1/95"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 47 48 #include <sys/param.h> 49 #include <sys/stat.h> 50 #include <sys/time.h> 51 #include <sys/mount.h> 52 #include <sys/disklabel.h> 53 54 #include <ufs/ufs/dinode.h> 55 #include <ufs/ufs/ufsmount.h> 56 #include <ufs/ffs/fs.h> 57 58 #include <protocols/dumprestore.h> 59 60 #include <ctype.h> 61 #include <err.h> 62 #include <errno.h> 63 #include <fcntl.h> 64 #include <fstab.h> 65 #include <inttypes.h> 66 #include <limits.h> 67 #include <signal.h> 68 #include <stdio.h> 69 #include <stdlib.h> 70 #include <string.h> 71 #include <timeconv.h> 72 #include <unistd.h> 73 74 #include "dump.h" 75 #include "pathnames.h" 76 77 int notify = 0; /* notify operator flag */ 78 int snapdump = 0; /* dumping live filesystem, so use snapshot */ 79 int blockswritten = 0; /* number of blocks written on current tape */ 80 int tapeno = 0; /* current tape number */ 81 int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */ 82 int ntrec = NTREC; /* # tape blocks in each tape record */ 83 int cartridge = 0; /* Assume non-cartridge tape */ 84 int dokerberos = 0; /* Use Kerberos authentication */ 85 long dev_bsize = 1; /* recalculated below */ 86 long blocksperfile; /* output blocks per file */ 87 char *host = NULL; /* remote host (if any) */ 88 89 /* 90 * Possible superblock locations ordered from most to least likely. 91 */ 92 static int sblock_try[] = SBLOCKSEARCH; 93 94 static char *getmntpt(char *, int *); 95 static long numarg(const char *, long, long); 96 static void obsolete(int *, char **[]); 97 static void usage(void) __dead2; 98 99 int 100 main(int argc, char *argv[]) 101 { 102 struct stat sb; 103 ino_t ino; 104 int dirty; 105 union dinode *dp; 106 struct fstab *dt; 107 char *map, *mntpt; 108 int ch, mode, mntflags; 109 int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; 110 int just_estimate = 0; 111 ino_t maxino; 112 char *tmsg; 113 114 spcl.c_date = _time_to_time64(time(NULL)); 115 116 tsize = 0; /* Default later, based on 'c' option for cart tapes */ 117 if ((tape = getenv("TAPE")) == NULL) 118 tape = _PATH_DEFTAPE; 119 dumpdates = _PATH_DUMPDATES; 120 temp = _PATH_DTMP; 121 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) 122 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); 123 level = '0'; 124 125 if (argc < 2) 126 usage(); 127 128 obsolete(&argc, &argv); 129 #ifdef KERBEROS 130 #define optstring "0123456789aB:b:cd:f:h:kLns:ST:uWwD:" 131 #else 132 #define optstring "0123456789aB:b:cd:f:h:Lns:ST:uWwD:" 133 #endif 134 while ((ch = getopt(argc, argv, optstring)) != -1) 135 #undef optstring 136 switch (ch) { 137 /* dump level */ 138 case '0': case '1': case '2': case '3': case '4': 139 case '5': case '6': case '7': case '8': case '9': 140 level = ch; 141 break; 142 143 case 'a': /* `auto-size', Write to EOM. */ 144 unlimited = 1; 145 break; 146 147 case 'B': /* blocks per output file */ 148 blocksperfile = numarg("number of blocks per file", 149 1L, 0L); 150 break; 151 152 case 'b': /* blocks per tape write */ 153 ntrec = numarg("number of blocks per write", 154 1L, 1000L); 155 break; 156 157 case 'c': /* Tape is cart. not 9-track */ 158 cartridge = 1; 159 break; 160 161 case 'd': /* density, in bits per inch */ 162 density = numarg("density", 10L, 327670L) / 10; 163 if (density >= 625 && !bflag) 164 ntrec = HIGHDENSITYTREC; 165 break; 166 167 case 'f': /* output file */ 168 tape = optarg; 169 break; 170 171 case 'D': 172 dumpdates = optarg; 173 break; 174 175 case 'h': 176 honorlevel = numarg("honor level", 0L, 10L); 177 break; 178 179 #ifdef KERBEROS 180 case 'k': 181 dokerberos = 1; 182 break; 183 #endif 184 185 case 'L': 186 snapdump = 1; 187 break; 188 189 case 'n': /* notify operators */ 190 notify = 1; 191 break; 192 193 case 's': /* tape size, feet */ 194 tsize = numarg("tape size", 1L, 0L) * 12 * 10; 195 break; 196 197 case 'S': /* exit after estimating # of tapes */ 198 just_estimate = 1; 199 break; 200 201 case 'T': /* time of last dump */ 202 spcl.c_ddate = unctime(optarg); 203 if (spcl.c_ddate < 0) { 204 (void)fprintf(stderr, "bad time \"%s\"\n", 205 optarg); 206 exit(X_STARTUP); 207 } 208 Tflag = 1; 209 lastlevel = '?'; 210 break; 211 212 case 'u': /* update /etc/dumpdates */ 213 uflag = 1; 214 break; 215 216 case 'W': /* what to do */ 217 case 'w': 218 lastdump(ch); 219 exit(X_FINOK); /* do nothing else */ 220 221 default: 222 usage(); 223 } 224 argc -= optind; 225 argv += optind; 226 227 if (argc < 1) { 228 (void)fprintf(stderr, "Must specify disk or file system\n"); 229 exit(X_STARTUP); 230 } 231 disk = *argv++; 232 argc--; 233 if (argc >= 1) { 234 (void)fprintf(stderr, "Unknown arguments to dump:"); 235 while (argc--) 236 (void)fprintf(stderr, " %s", *argv++); 237 (void)fprintf(stderr, "\n"); 238 exit(X_STARTUP); 239 } 240 if (Tflag && uflag) { 241 (void)fprintf(stderr, 242 "You cannot use the T and u flags together.\n"); 243 exit(X_STARTUP); 244 } 245 if (strcmp(tape, "-") == 0) { 246 pipeout++; 247 tape = "standard output"; 248 } 249 250 if (blocksperfile) 251 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ 252 else if (!unlimited) { 253 /* 254 * Determine how to default tape size and density 255 * 256 * density tape size 257 * 9-track 1600 bpi (160 bytes/.1") 2300 ft. 258 * 9-track 6250 bpi (625 bytes/.1") 2300 ft. 259 * cartridge 8000 bpi (100 bytes/.1") 1700 ft. 260 * (450*4 - slop) 261 * hilit19 hits again: " 262 */ 263 if (density == 0) 264 density = cartridge ? 100 : 160; 265 if (tsize == 0) 266 tsize = cartridge ? 1700L*120L : 2300L*120L; 267 } 268 269 if (strchr(tape, ':')) { 270 host = tape; 271 tape = strchr(host, ':'); 272 *tape++ = '\0'; 273 #ifdef RDUMP 274 if (index(tape, '\n')) { 275 (void)fprintf(stderr, "invalid characters in tape\n"); 276 exit(X_STARTUP); 277 } 278 if (rmthost(host) == 0) 279 exit(X_STARTUP); 280 #else 281 (void)fprintf(stderr, "remote dump not enabled\n"); 282 exit(X_STARTUP); 283 #endif 284 } 285 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */ 286 287 if (signal(SIGHUP, SIG_IGN) != SIG_IGN) 288 signal(SIGHUP, sig); 289 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) 290 signal(SIGTRAP, sig); 291 if (signal(SIGFPE, SIG_IGN) != SIG_IGN) 292 signal(SIGFPE, sig); 293 if (signal(SIGBUS, SIG_IGN) != SIG_IGN) 294 signal(SIGBUS, sig); 295 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) 296 signal(SIGSEGV, sig); 297 if (signal(SIGTERM, SIG_IGN) != SIG_IGN) 298 signal(SIGTERM, sig); 299 if (signal(SIGINT, interrupt) == SIG_IGN) 300 signal(SIGINT, SIG_IGN); 301 302 getfstab(); /* /etc/fstab snarfed */ 303 /* 304 * disk can be either the full special file name, 305 * the suffix of the special file name, 306 * the special name missing the leading '/', 307 * the file system name with or without the leading '/'. 308 */ 309 dt = fstabsearch(disk); 310 if (dt != NULL) { 311 disk = rawname(dt->fs_spec); 312 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); 313 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); 314 } else { 315 (void)strncpy(spcl.c_dev, disk, NAMELEN); 316 (void)strncpy(spcl.c_filesys, "an unlisted file system", 317 NAMELEN); 318 } 319 spcl.c_dev[NAMELEN-1]='\0'; 320 spcl.c_filesys[NAMELEN-1]='\0'; 321 322 if ((mntpt = getmntpt(disk, &mntflags)) != 0) { 323 if (snapdump == 0) { 324 msg("WARNING: %s\n", 325 "should use -L when dumping live filesystems!"); 326 } else { 327 struct ufs_args args; 328 char snapname[BUFSIZ]; 329 330 snprintf(snapname, sizeof snapname, "%s/.dump_snapshot", 331 mntpt); 332 args.fspec = snapname; 333 while (mount("ffs", mntpt, 334 mntflags | MNT_UPDATE | MNT_SNAPSHOT, 335 &args) < 0) { 336 if (errno == EEXIST && unlink(snapname) == 0) 337 continue; 338 errx(X_STARTUP, "Cannot create %s: %s\n", 339 snapname, strerror(errno)); 340 } 341 if ((diskfd = open(snapname, O_RDONLY)) < 0) { 342 unlink(snapname); 343 errx(X_STARTUP, "Cannot open %s: %s\n", 344 snapname, strerror(errno)); 345 } 346 unlink(snapname); 347 if (fstat(diskfd, &sb) != 0) 348 err(X_STARTUP, "%s: stat", snapname); 349 spcl.c_date = _time_to_time64(sb.st_mtime); 350 } 351 } else if (snapdump != 0) { 352 msg("WARNING: Cannot use -L on an unmounted filesystem.\n"); 353 snapdump = 0; 354 } 355 if (snapdump == 0) { 356 if ((diskfd = open(disk, O_RDONLY)) < 0) 357 err(X_STARTUP, "Cannot open %s", disk); 358 if (fstat(diskfd, &sb) != 0) 359 err(X_STARTUP, "%s: stat", disk); 360 if (S_ISDIR(sb.st_mode)) 361 errx(X_STARTUP, "%s: unknown file system", disk); 362 } 363 364 (void)strcpy(spcl.c_label, "none"); 365 (void)gethostname(spcl.c_host, NAMELEN); 366 spcl.c_level = level - '0'; 367 spcl.c_type = TS_TAPE; 368 369 if (spcl.c_date == 0) { 370 tmsg = "the epoch\n"; 371 } else { 372 time_t t = _time64_to_time(spcl.c_date); 373 tmsg = ctime(&t); 374 } 375 msg("Date of this level %c dump: %s", level, tmsg); 376 377 if (!Tflag) 378 getdumptime(); /* /etc/dumpdates snarfed */ 379 if (spcl.c_ddate == 0) { 380 tmsg = "the epoch\n"; 381 } else { 382 time_t t = _time64_to_time(spcl.c_ddate); 383 tmsg = ctime(&t); 384 } 385 msg("Date of last level %c dump: %s", lastlevel, tmsg); 386 387 msg("Dumping %s%s ", snapdump ? "snapshot of ": "", disk); 388 if (dt != NULL) 389 msgtail("(%s) ", dt->fs_file); 390 if (host) 391 msgtail("to %s on host %s\n", tape, host); 392 else 393 msgtail("to %s\n", tape); 394 395 sync(); 396 sblock = (struct fs *)sblock_buf; 397 for (i = 0; sblock_try[i] != -1; i++) { 398 bread(sblock_try[i] >> dev_bshift, (char *) sblock, SBLOCKSIZE); 399 if ((sblock->fs_magic == FS_UFS1_MAGIC || 400 (sblock->fs_magic == FS_UFS2_MAGIC && 401 sblock->fs_sblockloc == sblock_try[i])) && 402 sblock->fs_bsize <= MAXBSIZE && 403 sblock->fs_bsize >= sizeof(struct fs)) 404 break; 405 } 406 if (sblock_try[i] == -1) 407 quit("Cannot find file system superblock\n"); 408 dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); 409 dev_bshift = ffs(dev_bsize) - 1; 410 if (dev_bsize != (1 << dev_bshift)) 411 quit("dev_bsize (%ld) is not a power of 2", dev_bsize); 412 tp_bshift = ffs(TP_BSIZE) - 1; 413 if (TP_BSIZE != (1 << tp_bshift)) 414 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); 415 maxino = sblock->fs_ipg * sblock->fs_ncg; 416 mapsize = roundup(howmany(maxino, CHAR_BIT), TP_BSIZE); 417 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); 418 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); 419 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); 420 tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); 421 422 nonodump = spcl.c_level < honorlevel; 423 424 passno = 1; 425 setproctitle("%s: pass 1: regular files", disk); 426 msg("mapping (Pass I) [regular files]\n"); 427 anydirskipped = mapfiles(maxino, &tapesize); 428 429 passno = 2; 430 setproctitle("%s: pass 2: directories", disk); 431 msg("mapping (Pass II) [directories]\n"); 432 while (anydirskipped) { 433 anydirskipped = mapdirs(maxino, &tapesize); 434 } 435 436 if (pipeout || unlimited) { 437 tapesize += 10; /* 10 trailer blocks */ 438 msg("estimated %ld tape blocks.\n", tapesize); 439 } else { 440 double fetapes; 441 442 if (blocksperfile) 443 fetapes = (double) tapesize / blocksperfile; 444 else if (cartridge) { 445 /* Estimate number of tapes, assuming streaming stops at 446 the end of each block written, and not in mid-block. 447 Assume no erroneous blocks; this can be compensated 448 for with an artificially low tape size. */ 449 fetapes = 450 ( (double) tapesize /* blocks */ 451 * TP_BSIZE /* bytes/block */ 452 * (1.0/density) /* 0.1" / byte " */ 453 + 454 (double) tapesize /* blocks */ 455 * (1.0/ntrec) /* streaming-stops per block */ 456 * 15.48 /* 0.1" / streaming-stop " */ 457 ) * (1.0 / tsize ); /* tape / 0.1" " */ 458 } else { 459 /* Estimate number of tapes, for old fashioned 9-track 460 tape */ 461 int tenthsperirg = (density == 625) ? 3 : 7; 462 fetapes = 463 ( (double) tapesize /* blocks */ 464 * TP_BSIZE /* bytes / block */ 465 * (1.0/density) /* 0.1" / byte " */ 466 + 467 (double) tapesize /* blocks */ 468 * (1.0/ntrec) /* IRG's / block */ 469 * tenthsperirg /* 0.1" / IRG " */ 470 ) * (1.0 / tsize ); /* tape / 0.1" " */ 471 } 472 etapes = fetapes; /* truncating assignment */ 473 etapes++; 474 /* count the dumped inodes map on each additional tape */ 475 tapesize += (etapes - 1) * 476 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); 477 tapesize += etapes + 10; /* headers + 10 trailer blks */ 478 msg("estimated %ld tape blocks on %3.2f tape(s).\n", 479 tapesize, fetapes); 480 } 481 482 /* 483 * If the user only wants an estimate of the number of 484 * tapes, exit now. 485 */ 486 if (just_estimate) 487 exit(0); 488 489 /* 490 * Allocate tape buffer. 491 */ 492 if (!alloctape()) 493 quit( 494 "can't allocate tape buffers - try a smaller blocking factor.\n"); 495 496 startnewtape(1); 497 (void)time((time_t *)&(tstart_writing)); 498 dumpmap(usedinomap, TS_CLRI, maxino - 1); 499 500 passno = 3; 501 setproctitle("%s: pass 3: directories", disk); 502 msg("dumping (Pass III) [directories]\n"); 503 dirty = 0; /* XXX just to get gcc to shut up */ 504 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { 505 if (((ino - 1) % CHAR_BIT) == 0) /* map is offset by 1 */ 506 dirty = *map++; 507 else 508 dirty >>= 1; 509 if ((dirty & 1) == 0) 510 continue; 511 /* 512 * Skip directory inodes deleted and maybe reallocated 513 */ 514 dp = getino(ino, &mode); 515 if (mode != IFDIR) 516 continue; 517 (void)dumpino(dp, ino); 518 } 519 520 passno = 4; 521 setproctitle("%s: pass 4: regular files", disk); 522 msg("dumping (Pass IV) [regular files]\n"); 523 for (map = dumpinomap, ino = 1; ino < maxino; ino++) { 524 if (((ino - 1) % CHAR_BIT) == 0) /* map is offset by 1 */ 525 dirty = *map++; 526 else 527 dirty >>= 1; 528 if ((dirty & 1) == 0) 529 continue; 530 /* 531 * Skip inodes deleted and reallocated as directories. 532 */ 533 dp = getino(ino, &mode); 534 if (mode == IFDIR) 535 continue; 536 (void)dumpino(dp, ino); 537 } 538 539 (void)time((time_t *)&(tend_writing)); 540 spcl.c_type = TS_END; 541 for (i = 0; i < ntrec; i++) 542 writeheader(maxino - 1); 543 if (pipeout) 544 msg("DUMP: %jd tape blocks\n", (intmax_t)spcl.c_tapea); 545 else 546 msg("DUMP: %jd tape blocks on %d volume%s\n", 547 (intmax_t)spcl.c_tapea, spcl.c_volume, 548 (spcl.c_volume == 1) ? "" : "s"); 549 550 /* report dump performance, avoid division through zero */ 551 if (tend_writing - tstart_writing == 0) 552 msg("finished in less than a second\n"); 553 else 554 msg("finished in %d seconds, throughput %jd KBytes/sec\n", 555 tend_writing - tstart_writing, (intmax_t)(spcl.c_tapea / 556 (tend_writing - tstart_writing))); 557 558 putdumptime(); 559 trewind(); 560 broadcast("DUMP IS DONE!\a\a\n"); 561 msg("DUMP IS DONE\n"); 562 Exit(X_FINOK); 563 /* NOTREACHED */ 564 } 565 566 static void 567 usage(void) 568 { 569 fprintf(stderr, 570 "usage: dump [-0123456789ac" 571 #ifdef KERBEROS 572 "k" 573 #endif 574 "nSu] [-B records] [-b blocksize] [-D dumpdates]\n" 575 " [-d density] [-f file] [-h level] [-s feet] " 576 "[-T date] filesystem\n" 577 " dump -W | -w\n"); 578 exit(X_STARTUP); 579 } 580 581 /* 582 * Check to see if a disk is currently mounted. 583 */ 584 static char * 585 getmntpt(char *name, int *mntflagsp) 586 { 587 long mntsize, i; 588 struct statfs *mntbuf; 589 590 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 591 for (i = 0; i < mntsize; i++) { 592 if (!strcmp(mntbuf[i].f_mntfromname, name)) { 593 *mntflagsp = mntbuf[i].f_flags; 594 return (mntbuf[i].f_mntonname); 595 } 596 } 597 return (0); 598 } 599 600 /* 601 * Pick up a numeric argument. It must be nonnegative and in the given 602 * range (except that a vmax of 0 means unlimited). 603 */ 604 static long 605 numarg(const char *meaning, long vmin, long vmax) 606 { 607 char *p; 608 long val; 609 610 val = strtol(optarg, &p, 10); 611 if (*p) 612 errx(1, "illegal %s -- %s", meaning, optarg); 613 if (val < vmin || (vmax && val > vmax)) 614 errx(1, "%s must be between %ld and %ld", meaning, vmin, vmax); 615 return (val); 616 } 617 618 void 619 sig(int signo) 620 { 621 switch(signo) { 622 case SIGALRM: 623 case SIGBUS: 624 case SIGFPE: 625 case SIGHUP: 626 case SIGTERM: 627 case SIGTRAP: 628 if (pipeout) 629 quit("Signal on pipe: cannot recover\n"); 630 msg("Rewriting attempted as response to unknown signal.\n"); 631 (void)fflush(stderr); 632 (void)fflush(stdout); 633 close_rewind(); 634 exit(X_REWRITE); 635 /* NOTREACHED */ 636 case SIGSEGV: 637 msg("SIGSEGV: ABORTING!\n"); 638 (void)signal(SIGSEGV, SIG_DFL); 639 (void)kill(0, SIGSEGV); 640 /* NOTREACHED */ 641 } 642 } 643 644 char * 645 rawname(char *cp) 646 { 647 static char rawbuf[MAXPATHLEN]; 648 char *dp; 649 struct stat sb; 650 651 if (stat(cp, &sb) == 0) { 652 /* 653 * If the name already refers to a raw device, return 654 * it immediately without tampering. 655 */ 656 if ((sb.st_mode & S_IFMT) == S_IFCHR) 657 return (cp); 658 } 659 660 dp = strrchr(cp, '/'); 661 662 if (dp == NULL) 663 return (NULL); 664 *dp = '\0'; 665 (void)strlcpy(rawbuf, cp, MAXPATHLEN - 1); 666 *dp = '/'; 667 (void)strlcat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf)); 668 (void)strlcat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf)); 669 return (rawbuf); 670 } 671 672 /* 673 * obsolete -- 674 * Change set of key letters and ordered arguments into something 675 * getopt(3) will like. 676 */ 677 static void 678 obsolete(int *argcp, char **argvp[]) 679 { 680 int argc, flags; 681 char *ap, **argv, *flagsp, **nargv, *p; 682 683 /* Setup. */ 684 argv = *argvp; 685 argc = *argcp; 686 687 /* Return if no arguments or first argument has leading dash. */ 688 ap = argv[1]; 689 if (argc == 1 || *ap == '-') 690 return; 691 692 /* Allocate space for new arguments. */ 693 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || 694 (p = flagsp = malloc(strlen(ap) + 2)) == NULL) 695 err(1, NULL); 696 697 *nargv++ = *argv; 698 argv += 2; 699 700 for (flags = 0; *ap; ++ap) { 701 switch (*ap) { 702 case 'B': 703 case 'b': 704 case 'd': 705 case 'f': 706 case 'D': 707 case 'h': 708 case 's': 709 case 'T': 710 if (*argv == NULL) { 711 warnx("option requires an argument -- %c", *ap); 712 usage(); 713 } 714 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) 715 err(1, NULL); 716 nargv[0][0] = '-'; 717 nargv[0][1] = *ap; 718 (void)strcpy(&nargv[0][2], *argv); 719 ++argv; 720 ++nargv; 721 break; 722 default: 723 if (!flags) { 724 *p++ = '-'; 725 flags = 1; 726 } 727 *p++ = *ap; 728 break; 729 } 730 } 731 732 /* Terminate flags. */ 733 if (flags) { 734 *p = '\0'; 735 *nargv++ = flagsp; 736 } 737 738 /* Copy remaining arguments. */ 739 while ((*nargv++ = *argv++)); 740 741 /* Update argument count. */ 742 *argcp = nargv - *argvp - 1; 743 } 744