]> git.wh0rd.org - dump.git/blob - dump/main.c
git.wh0rd.org / dump.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Made dump understand the LABEL= and UUID= notations.
[dump.git] / dump / main.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 <pop@cybercable.fr>, 1999-2000
6 */
7
8 /*-
9 * Copyright (c) 1980, 1991, 1993, 1994
10 * The Regents of the University of California. All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 */
40
41 #ifndef lint
42 static const char rcsid[] =
43 "$Id: main.c,v 1.24 2000/08/20 19:41:50 stelian Exp $";
44 #endif /* not lint */
45
46 #include <sys/param.h>
47 #include <sys/time.h>
48 #ifdef __linux__
49 #include <linux/ext2_fs.h>
50 #include <sys/stat.h>
51 #include <bsdcompat.h>
52 #else
53 #ifdef sunos
54 #include <sys/vnode.h>
55
56 #include <ufs/inode.h>
57 #include <ufs/fs.h>
58 #else
59 #include <ufs/ufs/dinode.h>
60 #include <ufs/ffs/fs.h>
61 #endif
62 #endif
63
64 #include <protocols/dumprestore.h>
65
66 #include <ctype.h>
67 #include <compaterr.h>
68 #include <fcntl.h>
69 #include <fstab.h>
70 #include <signal.h>
71 #include <stdio.h>
72 #include <stdlib.h>
73 #include <string.h>
74 #include <unistd.h>
75
76 #ifdef __linux__
77 #include <ext2fs/ext2fs.h>
78 #endif
79
80 #include "dump.h"
81 #include "pathnames.h"
82 #include "bylabel.h"
83
84 #ifndef SBOFF
85 #define SBOFF (SBLOCK * DEV_BSIZE)
86 #endif
87
88 int notify = 0; /* notify operator flag */
89 int blockswritten = 0; /* number of blocks written on current tape */
90 int tapeno = 0; /* current tape number */
91 int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */
92 int ntrec = NTREC; /* # tape blocks in each tape record */
93 int cartridge = 0; /* Assume non-cartridge tape */
94 int dokerberos = 0; /* Use Kerberos authentication */
95 long dev_bsize = 1; /* recalculated below */
96 long blocksperfile; /* output blocks per file */
97 char *host = NULL; /* remote host (if any) */
98 int sizest = 0; /* return size estimate only */
99
100 #ifdef __linux__
101 char *__progname;
102 #endif
103
104 int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */
105 static long numarg __P((const char *, long, long));
106 static void obsolete __P((int *, char **[]));
107 static void usage __P((void));
108
109 ino_t iexclude_list[IEXCLUDE_MAXNUM]; /* the inode exclude list */
110 int iexclude_num = 0; /* number of elements in the list */
111
112 int
113 main(int argc, char *argv[])
114 {
115 register ino_t ino;
116 register int dirty;
117 register struct dinode *dp;
118 register struct fstab *dt;
119 register char *map;
120 register int ch;
121 int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
122 ino_t maxino;
123 #ifdef __linux__
124 errcode_t retval;
125 char directory[MAXPATHLEN];
126 char pathname[MAXPATHLEN];
127 #endif
128 time_t tnow;
129 char labelstr[LBLSIZE];
130 char *diskparam;
131
132 spcl.c_date = 0;
133 #ifdef __linux__
134 (void)time4(&spcl.c_date);
135 #else
136 (void)time((time_t *)&spcl.c_date);
137 #endif
138
139 #ifdef __linux__
140 __progname = argv[0];
141 directory[0] = 0;
142 initialize_ext2_error_table();
143 #endif
144
145 tsize = 0; /* Default later, based on 'c' option for cart tapes */
146 eot_script = NULL;
147 if ((tapeprefix = getenv("TAPE")) == NULL)
148 tapeprefix = _PATH_DEFTAPE;
149 dumpdates = _PATH_DUMPDATES;
150 strcpy(labelstr, "none"); /* XXX safe strcpy. */
151 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
152 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
153 level = '0';
154
155 if (argc < 2)
156 usage();
157
158 obsolete(&argc, &argv);
159 #ifdef KERBEROS
160 #define optstring "0123456789aB:b:cd:e:f:F:h:kL:Mns:ST:uWw"
161 #else
162 #define optstring "0123456789aB:b:cd:e:f:F:h:L:Mns:ST:uWw"
163 #endif
164 while ((ch = getopt(argc, argv, optstring)) != -1)
165 #undef optstring
166 switch (ch) {
167 /* dump level */
168 case '0': case '1': case '2': case '3': case '4':
169 case '5': case '6': case '7': case '8': case '9':
170 level = ch;
171 break;
172
173 case 'a': /* `auto-size', Write to EOM. */
174 unlimited = 1;
175 break;
176
177 case 'B': /* blocks per output file */
178 blocksperfile = numarg("number of blocks per file",
179 1L, 0L);
180 break;
181
182 case 'b': /* blocks per tape write */
183 ntrec = numarg("number of blocks per write",
184 1L, 1000L);
185 if (ntrec > maxbsize/1024) {
186 msg("Please choose a blocksize <= %dKB\n",
187 maxbsize/1024);
188 exit(X_STARTUP);
189 }
190 bflag = 1;
191 break;
192
193 case 'c': /* Tape is cart. not 9-track */
194 cartridge = 1;
195 break;
196
197 case 'd': /* density, in bits per inch */
198 density = numarg("density", 10L, 327670L) / 10;
199 if (density >= 625 && !bflag)
200 ntrec = HIGHDENSITYTREC;
201 break;
202
203 /* 04-Feb-00 ILC */
204 case 'e': /* exclude an inode */
205 iexclude_list[iexclude_num++] =
206 numarg("inode to exclude",0L,0L);
207 msg("Added %d to exclude list\n",
208 iexclude_list[iexclude_num-1]);
209 break;
210
211 case 'f': /* output file */
212 tapeprefix = optarg;
213 break;
214
215 case 'F': /* end of tape script */
216 eot_script = optarg;
217 break;
218
219 case 'h':
220 honorlevel = numarg("honor level", 0L, 10L);
221 break;
222
223 #ifdef KERBEROS
224 case 'k':
225 dokerberos = 1;
226 break;
227 #endif
228
229 case 'L':
230 /*
231 * Note that although there are LBLSIZE characters,
232 * the last must be '\0', so the limit on strlen()
233 * is really LBLSIZE-1.
234 */
235 strncpy(labelstr, optarg, LBLSIZE);
236 labelstr[LBLSIZE-1] = '\0';
237 if (strlen(optarg) > LBLSIZE-1) {
238 msg(
239 "WARNING Label `%s' is larger than limit of %d characters.\n",
240 optarg, LBLSIZE-1);
241 msg("WARNING: Using truncated label `%s'.\n",
242 labelstr);
243 }
244 break;
245
246 case 'M': /* multi-volume flag */
247 Mflag = 1;
248 break;
249
250 case 'n': /* notify operators */
251 notify = 1;
252 break;
253
254 case 's': /* tape size, feet */
255 tsize = numarg("tape size", 1L, 0L) * 12 * 10;
256 break;
257
258 case 'S':
259 sizest = 1; /* return size estimate only */
260 break;
261
262 case 'T': /* time of last dump */
263 spcl.c_ddate = unctime(optarg);
264 if (spcl.c_ddate < 0) {
265 (void)fprintf(stderr, "bad time \"%s\"\n",
266 optarg);
267 exit(X_STARTUP);
268 }
269 Tflag = 1;
270 lastlevel = '?';
271 break;
272
273 case 'u': /* update dumpdates */
274 uflag = 1;
275 break;
276
277 case 'W': /* what to do */
278 case 'w':
279 lastdump(ch);
280 exit(X_FINOK); /* do nothing else */
281
282 default:
283 usage();
284 }
285 argc -= optind;
286 argv += optind;
287
288 if (argc < 1) {
289 (void)fprintf(stderr, "Must specify disk or filesystem\n");
290 exit(X_STARTUP);
291 }
292 diskparam = *argv++;
293 if (strlen(diskparam) >= MAXPATHLEN) {
294 (void)fprintf(stderr, "Disk or filesystem name too long: %s\n", diskparam);
295 exit(X_STARTUP);
296 }
297 argc--;
298 if (argc >= 1) {
299 (void)fprintf(stderr, "Unknown arguments to dump:");
300 while (argc--)
301 (void)fprintf(stderr, " %s", *argv++);
302 (void)fprintf(stderr, "\n");
303 exit(X_STARTUP);
304 }
305 if (Tflag && uflag) {
306 (void)fprintf(stderr,
307 "You cannot use the T and u flags together.\n");
308 exit(X_STARTUP);
309 }
310 if (strcmp(tapeprefix, "-") == 0) {
311 pipeout++;
312 tapeprefix = "standard output";
313 }
314
315 if (blocksperfile)
316 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
317 else if (!unlimited) {
318 /*
319 * Determine how to default tape size and density
320 *
321 * density tape size
322 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
323 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
324 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
325 * (450*4 - slop)
326 * hilit19 hits again: "
327 */
328 if (density == 0)
329 density = cartridge ? 100 : 160;
330 if (tsize == 0)
331 tsize = cartridge ? 1700L*120L : 2300L*120L;
332 }
333
334 if (strchr(tapeprefix, ':')) {
335 host = tapeprefix;
336 tapeprefix = strchr(host, ':');
337 *tapeprefix++ = '\0';
338 #ifdef RDUMP
339 if (index(tapeprefix, '\n')) {
340 (void)fprintf(stderr, "invalid characters in tape\n");
341 exit(X_STARTUP);
342 }
343 if (rmthost(host) == 0)
344 exit(X_STARTUP);
345 #else
346 (void)fprintf(stderr, "remote dump not enabled\n");
347 exit(X_STARTUP);
348 #endif
349 }
350 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
351
352 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
353 signal(SIGHUP, sig);
354 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
355 signal(SIGTRAP, sig);
356 if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
357 signal(SIGFPE, sig);
358 if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
359 signal(SIGBUS, sig);
360 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
361 signal(SIGSEGV, sig);
362 if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
363 signal(SIGTERM, sig);
364 if (signal(SIGINT, interrupt) == SIG_IGN)
365 signal(SIGINT, SIG_IGN);
366 set_operators(); /* /etc/group snarfed */
367 getfstab(); /* /etc/fstab snarfed */
368
369 disk = get_device_name(diskparam);
370 if (!disk) { /* null means the disk is some form
371 of LABEL= or UID= but it was not
372 found */
373 msg("Cannot find a disk having %s\n", diskparam);
374 exit(X_STARTUP);
375 }
376 /*
377 * disk may end in / and this can confuse
378 * fstabsearch.
379 */
380 if (strlen(disk) > 1 && disk[strlen(disk) - 1] == '/')
381 disk[strlen(disk) - 1] = '\0';
382 /*
383 * disk can be either the full special file name,
384 * the suffix of the special file name,
385 * the special name missing the leading '/',
386 * the file system name with or without the leading '/'.
387 */
388 if ((dt = fstabsearch(disk)) != NULL) {
389 disk = rawname(dt->fs_spec);
390 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
391 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
392 #ifdef __linux__
393 } else {
394 /*
395 * The argument was not found in the fstab
396 * assume that this is a subtree and search for it
397 */
398 #ifdef HAVE_REALPATH
399 if (realpath(disk, pathname) == NULL)
400 #endif
401 strcpy(pathname, disk);
402 dt = fstabsearchdir(pathname, directory);
403 if (dt != NULL) {
404 char name[MAXPATHLEN];
405 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
406 (void)snprintf(name, sizeof(name), "%s (dir %s)",
407 dt->fs_file, directory);
408 (void)strncpy(spcl.c_filesys, name, NAMELEN);
409 disk = rawname(dt->fs_spec);
410 } else {
411 (void)strncpy(spcl.c_dev, disk, NAMELEN);
412 (void)strncpy(spcl.c_filesys, "an unlisted file system",
413 NAMELEN);
414 }
415 }
416 #else
417 } else {
418 (void)strncpy(spcl.c_dev, disk, NAMELEN);
419 (void)strncpy(spcl.c_filesys, "an unlisted file system",
420 NAMELEN);
421 }
422 #endif
423
424 if (directory[0] != 0) {
425 if (level != '0') {
426 (void)fprintf(stderr, "Only level 0 dumps are allowed on a subdirectory\n");
427 exit(X_STARTUP);
428 }
429 if (uflag) {
430 (void)fprintf(stderr, "You can't update the dumpdates file when dumping a subdirectory\n");
431 exit(X_STARTUP);
432 }
433 }
434 spcl.c_dev[NAMELEN-1]='\0';
435 spcl.c_filesys[NAMELEN-1]='\0';
436 (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1);
437 (void)gethostname(spcl.c_host, NAMELEN);
438 spcl.c_level = level - '0';
439 spcl.c_type = TS_TAPE;
440 if (!Tflag)
441 getdumptime(uflag); /* dumpdates snarfed */
442
443 if (spcl.c_ddate == 0 && spcl.c_level) {
444 msg("WARNING: There is no inferior level dump on this filesystem\n");
445 msg("WARNING: Assuming a level 0 dump by default\n");
446 level = '0';
447 spcl.c_level = 0;
448 }
449
450 if (Mflag)
451 snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1);
452 else
453 strncpy(tape, tapeprefix, MAXPATHLEN);
454 tape[MAXPATHLEN - 1] = '\0';
455
456 if (!sizest) {
457
458 msg("Date of this level %c dump: %s", level,
459 #ifdef __linux__
460 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
461 #else
462 spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
463 #endif
464 msg("Date of last level %c dump: %s", lastlevel,
465 #ifdef __linux__
466 spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate));
467 #else
468 spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate));
469 #endif
470 msg("Dumping %s (%s) ", disk, spcl.c_filesys);
471 if (host)
472 msgtail("to %s on host %s\n", tape, host);
473 else
474 msgtail("to %s\n", tape);
475 msg("Label: %s\n", labelstr);
476
477 } /* end of size estimate */
478
479 #ifdef __linux__
480 retval = dump_fs_open(disk, &fs);
481 if (retval) {
482 com_err(disk, retval, "while opening filesystem");
483 if (retval == EXT2_ET_REV_TOO_HIGH)
484 printf ("Get a newer version of dump!\n");
485 exit(X_STARTUP);
486 }
487 if (fs->super->s_rev_level > DUMP_CURRENT_REV) {
488 com_err(disk, retval, "while opening filesystem");
489 printf ("Get a newer version of dump!\n");
490 exit(X_STARTUP);
491 }
492 if ((diskfd = open(disk, O_RDONLY)) < 0) {
493 msg("Cannot open %s\n", disk);
494 exit(X_STARTUP);
495 }
496 sync();
497 dev_bsize = DEV_BSIZE;
498 dev_bshift = ffs(dev_bsize) - 1;
499 if (dev_bsize != (1 << dev_bshift))
500 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
501 tp_bshift = ffs(TP_BSIZE) - 1;
502 if (TP_BSIZE != (1 << tp_bshift))
503 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
504 maxino = fs->super->s_inodes_count;
505 #if 0
506 spcl.c_flags |= DR_NEWINODEFMT;
507 #endif
508 #else /* __linux __*/
509 if ((diskfd = open(disk, O_RDONLY)) < 0) {
510 msg("Cannot open %s\n", disk);
511 exit(X_STARTUP);
512 }
513 sync();
514 sblock = (struct fs *)sblock_buf;
515 bread(SBOFF, (char *) sblock, SBSIZE);
516 if (sblock->fs_magic != FS_MAGIC)
517 quit("bad sblock magic number\n");
518 dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
519 dev_bshift = ffs(dev_bsize) - 1;
520 if (dev_bsize != (1 << dev_bshift))
521 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
522 tp_bshift = ffs(TP_BSIZE) - 1;
523 if (TP_BSIZE != (1 << tp_bshift))
524 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
525 #ifdef FS_44INODEFMT
526 if (sblock->fs_inodefmt >= FS_44INODEFMT)
527 spcl.c_flags |= DR_NEWINODEFMT;
528 #endif
529 maxino = sblock->fs_ipg * sblock->fs_ncg;
530 #endif /* __linux__ */
531 mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
532 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
533 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
534 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
535 tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
536
537 nonodump = spcl.c_level < honorlevel;
538
539 #if defined(SIGINFO)
540 (void)signal(SIGINFO, statussig);
541 #endif
542
543 if (!sizest)
544 msg("mapping (Pass I) [regular files]\n");
545 #ifdef __linux__
546 if (directory[0] == 0)
547 anydirskipped = mapfiles(maxino, &tapesize);
548 else
549 anydirskipped = mapfilesfromdir(maxino, &tapesize, directory);
550 #else
551 anydirskipped = mapfiles(maxino, &tapesize);
552 #endif
553
554 if (!sizest)
555 msg("mapping (Pass II) [directories]\n");
556 while (anydirskipped) {
557 anydirskipped = mapdirs(maxino, &tapesize);
558 }
559
560 if (sizest) {
561 printf("%.0f\n", ((double)tapesize + 11) * TP_BSIZE);
562 exit(X_FINOK);
563 } /* stop here for size estimate */
564
565 if (pipeout || unlimited) {
566 tapesize += 11; /* 10 trailer blocks + 1 map header */
567 msg("estimated %ld tape blocks.\n", tapesize);
568 } else {
569 double fetapes;
570
571 if (blocksperfile)
572 fetapes = (double) tapesize / blocksperfile;
573 else if (cartridge) {
574 /* Estimate number of tapes, assuming streaming stops at
575 the end of each block written, and not in mid-block.
576 Assume no erroneous blocks; this can be compensated
577 for with an artificially low tape size. */
578 fetapes =
579 ( (double) tapesize /* blocks */
580 * TP_BSIZE /* bytes/block */
581 * (1.0/density) /* 0.1" / byte " */
582 +
583 (double) tapesize /* blocks */
584 * (1.0/ntrec) /* streaming-stops per block */
585 * 15.48 /* 0.1" / streaming-stop " */
586 ) * (1.0 / tsize ); /* tape / 0.1" " */
587 } else {
588 /* Estimate number of tapes, for old fashioned 9-track
589 tape */
590 int tenthsperirg = (density == 625) ? 3 : 7;
591 fetapes =
592 ( (double) tapesize /* blocks */
593 * TP_BSIZE /* bytes / block */
594 * (1.0/density) /* 0.1" / byte " */
595 +
596 (double) tapesize /* blocks */
597 * (1.0/ntrec) /* IRG's / block */
598 * tenthsperirg /* 0.1" / IRG " */
599 ) * (1.0 / tsize ); /* tape / 0.1" " */
600 }
601 etapes = fetapes; /* truncating assignment */
602 etapes++;
603 /* count the dumped inodes map on each additional tape */
604 tapesize += (etapes - 1) *
605 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
606 tapesize += etapes + 10; /* headers + 10 trailer blks */
607 msg("estimated %ld tape blocks on %3.2f tape(s).\n",
608 tapesize, fetapes);
609 }
610
611 /*
612 * Allocate tape buffer.
613 */
614 if (!alloctape())
615 quit(
616 "can't allocate tape buffers - try a smaller blocking factor.\n");
617
618 startnewtape(1);
619 #ifdef __linux__
620 (void)time4(&(tstart_writing));
621 #else
622 (void)time((time_t *)&(tstart_writing));
623 #endif
624 dumpmap(usedinomap, TS_CLRI, maxino - 1);
625
626 msg("dumping (Pass III) [directories]\n");
627 dirty = 0; /* XXX just to get gcc to shut up */
628 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
629 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
630 dirty = *map++;
631 else
632 dirty >>= 1;
633 if ((dirty & 1) == 0)
634 continue;
635 /*
636 * Skip directory inodes deleted and maybe reallocated
637 */
638 dp = getino(ino);
639 if ((dp->di_mode & IFMT) != IFDIR)
640 continue;
641 #ifdef __linux__
642 /*
643 * Skip directory inodes deleted and not yes reallocated...
644 */
645 if (dp->di_nlink == 0 || dp->di_dtime != 0)
646 continue;
647 (void)dumpdirino(dp, ino);
648 #else
649 (void)dumpino(dp, ino);
650 #endif
651 }
652
653 msg("dumping (Pass IV) [regular files]\n");
654 for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
655 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
656 dirty = *map++;
657 else
658 dirty >>= 1;
659 if ((dirty & 1) == 0)
660 continue;
661 /*
662 * Skip inodes deleted and reallocated as directories.
663 */
664 dp = getino(ino);
665 if ((dp->di_mode & IFMT) == IFDIR)
666 continue;
667 #ifdef __linux__
668 /*
669 * No need to check here for deleted and not yes reallocated inodes
670 * since this is done in dumpino().
671 */
672 #endif
673 (void)dumpino(dp, ino);
674 }
675
676 #ifdef __linux__
677 (void)time4(&(tend_writing));
678 #else
679 (void)time((time_t *)&(tend_writing));
680 #endif
681 spcl.c_type = TS_END;
682 for (i = 0; i < ntrec; i++)
683 writeheader(maxino - 1);
684
685 tnow = trewind();
686
687 if (pipeout)
688 msg("%ld tape blocks (%.2fMB)\n", spcl.c_tapea,
689 ((double)spcl.c_tapea * TP_BSIZE / 1048576));
690 else
691 msg("%ld tape blocks (%.2fMB) on %d volume(s)\n",
692 spcl.c_tapea,
693 ((double)spcl.c_tapea * TP_BSIZE / 1048576),
694 spcl.c_volume);
695
696 /* report dump performance, avoid division through zero */
697 if (tend_writing - tstart_writing == 0)
698 msg("finished in less than a second\n");
699 else
700 msg("finished in %d seconds, throughput %d KBytes/sec\n",
701 tend_writing - tstart_writing,
702 spcl.c_tapea / (tend_writing - tstart_writing));
703
704 putdumptime();
705 #ifdef __linux__
706 msg("Date of this level %c dump: %s", level,
707 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
708 #else
709 msg("Date of this level %c dump: %s", level,
710 spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
711 #endif
712 msg("Date this dump completed: %s", ctime(&tnow));
713
714 msg("Average transfer rate: %ld KB/s\n", xferrate / tapeno);
715
716 broadcast("DUMP IS DONE!\7\7\n");
717 msg("DUMP IS DONE\n");
718 Exit(X_FINOK);
719 /* NOTREACHED */
720 return 0; /* gcc - shut up */
721 }
722
723 static void
724 usage(void)
725 {
726 char white[MAXPATHLEN];
727 int i;
728
729 strncpy(white, __progname, MAXPATHLEN-1);
730 white[MAXPATHLEN-1] = '\0';
731 for (i=0; i<MAXPATHLEN; ++i)
732 if (white[i] != '\0') white[i] = ' ';
733
734 fprintf(stderr,
735 "%s %s\n", __progname, _DUMP_VERSION);
736 fprintf(stderr,
737 "usage:\t%s [-0123456789ac"
738 #ifdef KERBEROS
739 "k"
740 #endif
741 "MnSu] [-B records] [-b blocksize] [-d density]\n"
742 "\t%s [-e inode#] [-f file] [-h level] [-s feet] [-T date] filesystem\n"
743 "\t%s [-W | -w]\n", __progname, white, __progname);
744 exit(X_STARTUP);
745 }
746
747 /*
748 * Pick up a numeric argument. It must be nonnegative and in the given
749 * range (except that a vmax of 0 means unlimited).
750 */
751 static long
752 numarg(const char *meaning, long vmin, long vmax)
753 {
754 char *p;
755 long val;
756
757 val = strtol(optarg, &p, 10);
758 if (*p)
759 errx(X_STARTUP, "illegal %s -- %s", meaning, optarg);
760 if (val < vmin || (vmax && val > vmax))
761 errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax);
762 return (val);
763 }
764
765 void
766 sig(int signo)
767 {
768 switch(signo) {
769 case SIGALRM:
770 case SIGBUS:
771 case SIGFPE:
772 case SIGHUP:
773 case SIGTERM:
774 case SIGTRAP:
775 if (pipeout)
776 quit("Signal on pipe: cannot recover\n");
777 msg("Rewriting attempted as response to unknown signal.\n");
778 (void)fflush(stderr);
779 (void)fflush(stdout);
780 close_rewind();
781 exit(X_REWRITE);
782 /* NOTREACHED */
783 case SIGSEGV:
784 msg("SIGSEGV: ABORTING!\n");
785 (void)signal(SIGSEGV, SIG_DFL);
786 (void)kill(0, SIGSEGV);
787 /* NOTREACHED */
788 }
789 }
790
791 char *
792 rawname(char *cp)
793 {
794 #ifdef __linux__
795 return cp;
796 #else /* __linux__ */
797 static char rawbuf[MAXPATHLEN];
798 char *dp = strrchr(cp, '/');
799
800 if (dp == NULL)
801 return (NULL);
802 *dp = '\0';
803 (void)strncpy(rawbuf, cp, MAXPATHLEN - 1);
804 rawbuf[MAXPATHLEN-1] = '\0';
805 *dp = '/';
806 (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf));
807 (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf));
808 return (rawbuf);
809 #endif /* __linux__ */
810 }
811
812 /*
813 * obsolete --
814 * Change set of key letters and ordered arguments into something
815 * getopt(3) will like.
816 */
817 static void
818 obsolete(int *argcp, char **argvp[])
819 {
820 int argc, flags;
821 char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL;
822
823 /* Setup. */
824 argv = *argvp;
825 argc = *argcp;
826
827 /* Return if no arguments or first argument has leading dash. */
828 ap = argv[1];
829 if (argc == 1 || *ap == '-')
830 return;
831
832 /* Allocate space for new arguments. */
833 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
834 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
835 err(X_STARTUP, "malloc new args");
836
837 *nargv++ = *argv;
838 argv += 2;
839
840 for (flags = 0; *ap; ++ap) {
841 switch (*ap) {
842 case 'B':
843 case 'b':
844 case 'd':
845 case 'e':
846 case 'f':
847 case 'F':
848 case 'h':
849 case 'L':
850 case 's':
851 case 'T':
852 if (*argv == NULL) {
853 warnx("option requires an argument -- %c", *ap);
854 usage();
855 }
856 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
857 err(X_STARTUP, "malloc arg");
858 nargv[0][0] = '-';
859 nargv[0][1] = *ap;
860 (void)strcpy(&nargv[0][2], *argv);
861 ++argv;
862 ++nargv;
863 break;
864 default:
865 if (!flags) {
866 *p++ = '-';
867 flags = 1;
868 }
869 *p++ = *ap;
870 break;
871 }
872 }
873
874 /* Terminate flags. */
875 if (flags) {
876 *p = '\0';
877 *nargv++ = flagsp;
878 }
879
880 /* Copy remaining arguments. */
881 while ((*nargv++ = *argv++));
882
883 /* Update argument count. */
884 *argcp = nargv - *argvp - 1;
885 }
Unnamed repository; edit this file 'description' to name the repository.