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Made dump report the total number of MB written to tape.
[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 1.22 2000/03/08 10:51:29 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
83 #ifndef SBOFF
84 #define SBOFF (SBLOCK * DEV_BSIZE)
85 #endif
86
87 int notify = 0; /* notify operator flag */
88 int blockswritten = 0; /* number of blocks written on current tape */
89 int tapeno = 0; /* current tape number */
90 int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */
91 int ntrec = NTREC; /* # tape blocks in each tape record */
92 int cartridge = 0; /* Assume non-cartridge tape */
93 int dokerberos = 0; /* Use Kerberos authentication */
94 long dev_bsize = 1; /* recalculated below */
95 long blocksperfile; /* output blocks per file */
96 char *host = NULL; /* remote host (if any) */
97 int sizest = 0; /* return size estimate only */
98
99 #ifdef __linux__
100 char *__progname;
101 #endif
102
103 int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */
104 static long numarg __P((const char *, long, long));
105 static void obsolete __P((int *, char **[]));
106 static void usage __P((void));
107
108 ino_t iexclude_list[IEXCLUDE_MAXNUM]; /* the inode exclude list */
109 int iexclude_num = 0; /* number of elements in the list */
110
111 int
112 main(int argc, char *argv[])
113 {
114 register ino_t ino;
115 register int dirty;
116 register struct dinode *dp;
117 register struct fstab *dt;
118 register char *map;
119 register int ch;
120 int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
121 ino_t maxino;
122 #ifdef __linux__
123 errcode_t retval;
124 char directory[MAXPATHLEN];
125 char pathname[MAXPATHLEN];
126 #endif
127 time_t tnow;
128 char labelstr[LBLSIZE];
129
130 spcl.c_date = 0;
131 #ifdef __linux__
132 (void)time4(&spcl.c_date);
133 #else
134 (void)time((time_t *)&spcl.c_date);
135 #endif
136
137 #ifdef __linux__
138 __progname = argv[0];
139 directory[0] = 0;
140 initialize_ext2_error_table();
141 #endif
142
143 tsize = 0; /* Default later, based on 'c' option for cart tapes */
144 eot_script = NULL;
145 if ((tapeprefix = getenv("TAPE")) == NULL)
146 tapeprefix = _PATH_DEFTAPE;
147 dumpdates = _PATH_DUMPDATES;
148 strcpy(labelstr, "none"); /* XXX safe strcpy. */
149 if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
150 quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
151 level = '0';
152
153 if (argc < 2)
154 usage();
155
156 obsolete(&argc, &argv);
157 #ifdef KERBEROS
158 #define optstring "0123456789aB:b:cd:e:f:F:h:kL:Mns:ST:uWw"
159 #else
160 #define optstring "0123456789aB:b:cd:e:f:F:h:L:Mns:ST:uWw"
161 #endif
162 while ((ch = getopt(argc, argv, optstring)) != -1)
163 #undef optstring
164 switch (ch) {
165 /* dump level */
166 case '0': case '1': case '2': case '3': case '4':
167 case '5': case '6': case '7': case '8': case '9':
168 level = ch;
169 break;
170
171 case 'a': /* `auto-size', Write to EOM. */
172 unlimited = 1;
173 break;
174
175 case 'B': /* blocks per output file */
176 blocksperfile = numarg("number of blocks per file",
177 1L, 0L);
178 break;
179
180 case 'b': /* blocks per tape write */
181 ntrec = numarg("number of blocks per write",
182 1L, 1000L);
183 if (ntrec > maxbsize/1024) {
184 msg("Please choose a blocksize <= %dKB\n",
185 maxbsize/1024);
186 exit(X_STARTUP);
187 }
188 bflag = 1;
189 break;
190
191 case 'c': /* Tape is cart. not 9-track */
192 cartridge = 1;
193 break;
194
195 case 'd': /* density, in bits per inch */
196 density = numarg("density", 10L, 327670L) / 10;
197 if (density >= 625 && !bflag)
198 ntrec = HIGHDENSITYTREC;
199 break;
200
201 /* 04-Feb-00 ILC */
202 case 'e': /* exclude an inode */
203 iexclude_list[iexclude_num++] =
204 numarg("inode to exclude",0L,0L);
205 msg("Added %d to exclude list\n",
206 iexclude_list[iexclude_num-1]);
207 break;
208
209 case 'f': /* output file */
210 tapeprefix = optarg;
211 break;
212
213 case 'F': /* end of tape script */
214 eot_script = optarg;
215 break;
216
217 case 'h':
218 honorlevel = numarg("honor level", 0L, 10L);
219 break;
220
221 #ifdef KERBEROS
222 case 'k':
223 dokerberos = 1;
224 break;
225 #endif
226
227 case 'L':
228 /*
229 * Note that although there are LBLSIZE characters,
230 * the last must be '\0', so the limit on strlen()
231 * is really LBLSIZE-1.
232 */
233 strncpy(labelstr, optarg, LBLSIZE);
234 labelstr[LBLSIZE-1] = '\0';
235 if (strlen(optarg) > LBLSIZE-1) {
236 msg(
237 "WARNING Label `%s' is larger than limit of %d characters.\n",
238 optarg, LBLSIZE-1);
239 msg("WARNING: Using truncated label `%s'.\n",
240 labelstr);
241 }
242 break;
243
244 case 'M': /* multi-volume flag */
245 Mflag = 1;
246 break;
247
248 case 'n': /* notify operators */
249 notify = 1;
250 break;
251
252 case 's': /* tape size, feet */
253 tsize = numarg("tape size", 1L, 0L) * 12 * 10;
254 break;
255
256 case 'S':
257 sizest = 1; /* return size estimate only */
258 break;
259
260 case 'T': /* time of last dump */
261 spcl.c_ddate = unctime(optarg);
262 if (spcl.c_ddate < 0) {
263 (void)fprintf(stderr, "bad time \"%s\"\n",
264 optarg);
265 exit(X_STARTUP);
266 }
267 Tflag = 1;
268 lastlevel = '?';
269 break;
270
271 case 'u': /* update dumpdates */
272 uflag = 1;
273 break;
274
275 case 'W': /* what to do */
276 case 'w':
277 lastdump(ch);
278 exit(X_FINOK); /* do nothing else */
279
280 default:
281 usage();
282 }
283 argc -= optind;
284 argv += optind;
285
286 if (argc < 1) {
287 (void)fprintf(stderr, "Must specify disk or filesystem\n");
288 exit(X_STARTUP);
289 }
290 disk = *argv++;
291 if (strlen(disk) >= MAXPATHLEN) {
292 (void)fprintf(stderr, "Disk or filesystem name too long: %s\n", disk);
293 exit(X_STARTUP);
294 }
295 argc--;
296 if (argc >= 1) {
297 (void)fprintf(stderr, "Unknown arguments to dump:");
298 while (argc--)
299 (void)fprintf(stderr, " %s", *argv++);
300 (void)fprintf(stderr, "\n");
301 exit(X_STARTUP);
302 }
303 if (Tflag && uflag) {
304 (void)fprintf(stderr,
305 "You cannot use the T and u flags together.\n");
306 exit(X_STARTUP);
307 }
308 if (strcmp(tapeprefix, "-") == 0) {
309 pipeout++;
310 tapeprefix = "standard output";
311 }
312
313 if (blocksperfile)
314 blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
315 else if (!unlimited) {
316 /*
317 * Determine how to default tape size and density
318 *
319 * density tape size
320 * 9-track 1600 bpi (160 bytes/.1") 2300 ft.
321 * 9-track 6250 bpi (625 bytes/.1") 2300 ft.
322 * cartridge 8000 bpi (100 bytes/.1") 1700 ft.
323 * (450*4 - slop)
324 * hilit19 hits again: "
325 */
326 if (density == 0)
327 density = cartridge ? 100 : 160;
328 if (tsize == 0)
329 tsize = cartridge ? 1700L*120L : 2300L*120L;
330 }
331
332 if (strchr(tapeprefix, ':')) {
333 host = tapeprefix;
334 tapeprefix = strchr(host, ':');
335 *tapeprefix++ = '\0';
336 #ifdef RDUMP
337 if (index(tapeprefix, '\n')) {
338 (void)fprintf(stderr, "invalid characters in tape\n");
339 exit(X_STARTUP);
340 }
341 if (rmthost(host) == 0)
342 exit(X_STARTUP);
343 #else
344 (void)fprintf(stderr, "remote dump not enabled\n");
345 exit(X_STARTUP);
346 #endif
347 }
348 (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
349
350 if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
351 signal(SIGHUP, sig);
352 if (signal(SIGTRAP, SIG_IGN) != SIG_IGN)
353 signal(SIGTRAP, sig);
354 if (signal(SIGFPE, SIG_IGN) != SIG_IGN)
355 signal(SIGFPE, sig);
356 if (signal(SIGBUS, SIG_IGN) != SIG_IGN)
357 signal(SIGBUS, sig);
358 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN)
359 signal(SIGSEGV, sig);
360 if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
361 signal(SIGTERM, sig);
362 if (signal(SIGINT, interrupt) == SIG_IGN)
363 signal(SIGINT, SIG_IGN);
364 set_operators(); /* /etc/group snarfed */
365 getfstab(); /* /etc/fstab snarfed */
366 /*
367 * disk may end in / and this can confuse
368 * fstabsearch.
369 */
370 if (strlen(disk) > 1 && disk[strlen(disk) - 1] == '/')
371 disk[strlen(disk) - 1] = '\0';
372 /*
373 * disk can be either the full special file name,
374 * the suffix of the special file name,
375 * the special name missing the leading '/',
376 * the file system name with or without the leading '/'.
377 */
378 if ((dt = fstabsearch(disk)) != NULL) {
379 disk = rawname(dt->fs_spec);
380 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
381 (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
382 #ifdef __linux__
383 } else {
384 /*
385 * The argument was not found in the fstab
386 * assume that this is a subtree and search for it
387 */
388 #ifdef HAVE_REALPATH
389 if (realpath(disk, pathname) == NULL)
390 #endif
391 strcpy(pathname, disk);
392 dt = fstabsearchdir(pathname, directory);
393 if (dt != NULL) {
394 char name[MAXPATHLEN];
395 (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
396 (void)snprintf(name, sizeof(name), "%s (dir %s)",
397 dt->fs_file, directory);
398 (void)strncpy(spcl.c_filesys, name, NAMELEN);
399 disk = rawname(dt->fs_spec);
400 } else {
401 (void)strncpy(spcl.c_dev, disk, NAMELEN);
402 (void)strncpy(spcl.c_filesys, "an unlisted file system",
403 NAMELEN);
404 }
405 }
406 #else
407 } else {
408 (void)strncpy(spcl.c_dev, disk, NAMELEN);
409 (void)strncpy(spcl.c_filesys, "an unlisted file system",
410 NAMELEN);
411 }
412 #endif
413 spcl.c_dev[NAMELEN-1]='\0';
414 spcl.c_filesys[NAMELEN-1]='\0';
415 (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1);
416 (void)gethostname(spcl.c_host, NAMELEN);
417 spcl.c_level = level - '0';
418 spcl.c_type = TS_TAPE;
419 if (!Tflag)
420 getdumptime(uflag); /* dumpdates snarfed */
421
422 if (spcl.c_ddate == 0 && spcl.c_level) {
423 msg("WARNING: There is no inferior level dump on this filesystem\n");
424 msg("WARNING: Assuming a level 0 dump by default\n");
425 level = '0';
426 spcl.c_level = 0;
427 }
428
429 if (Mflag)
430 snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1);
431 else
432 strncpy(tape, tapeprefix, MAXPATHLEN);
433 tape[MAXPATHLEN - 1] = '\0';
434
435 if (!sizest) {
436
437 msg("Date of this level %c dump: %s", level,
438 #ifdef __linux__
439 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
440 #else
441 spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
442 #endif
443 msg("Date of last level %c dump: %s", lastlevel,
444 #ifdef __linux__
445 spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate));
446 #else
447 spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate));
448 #endif
449 msg("Dumping %s (%s) ", disk, spcl.c_filesys);
450 if (host)
451 msgtail("to %s on host %s\n", tape, host);
452 else
453 msgtail("to %s\n", tape);
454 msg("Label: %s\n", labelstr);
455
456 } /* end of size estimate */
457
458 #ifdef __linux__
459 retval = dump_fs_open(disk, &fs);
460 if (retval) {
461 com_err(disk, retval, "while opening filesystem");
462 if (retval == EXT2_ET_REV_TOO_HIGH)
463 printf ("Get a newer version of dump!\n");
464 exit(X_STARTUP);
465 }
466 if (fs->super->s_rev_level > DUMP_CURRENT_REV) {
467 com_err(disk, retval, "while opening filesystem");
468 printf ("Get a newer version of dump!\n");
469 exit(X_STARTUP);
470 }
471 if ((diskfd = open(disk, O_RDONLY)) < 0) {
472 msg("Cannot open %s\n", disk);
473 exit(X_STARTUP);
474 }
475 sync();
476 dev_bsize = DEV_BSIZE;
477 dev_bshift = ffs(dev_bsize) - 1;
478 if (dev_bsize != (1 << dev_bshift))
479 quit("dev_bsize (%d) is not a power of 2", dev_bsize);
480 tp_bshift = ffs(TP_BSIZE) - 1;
481 if (TP_BSIZE != (1 << tp_bshift))
482 quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
483 maxino = fs->super->s_inodes_count;
484 #if 0
485 spcl.c_flags |= DR_NEWINODEFMT;
486 #endif
487 #else /* __linux __*/
488 if ((diskfd = open(disk, O_RDONLY)) < 0) {
489 msg("Cannot open %s\n", disk);
490 exit(X_STARTUP);
491 }
492 sync();
493 sblock = (struct fs *)sblock_buf;
494 bread(SBOFF, (char *) sblock, SBSIZE);
495 if (sblock->fs_magic != FS_MAGIC)
496 quit("bad sblock magic number\n");
497 dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1);
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 #ifdef FS_44INODEFMT
505 if (sblock->fs_inodefmt >= FS_44INODEFMT)
506 spcl.c_flags |= DR_NEWINODEFMT;
507 #endif
508 maxino = sblock->fs_ipg * sblock->fs_ncg;
509 #endif /* __linux__ */
510 mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE);
511 usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
512 dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
513 dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
514 tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
515
516 nonodump = spcl.c_level < honorlevel;
517
518 #if defined(SIGINFO)
519 (void)signal(SIGINFO, statussig);
520 #endif
521
522 if (!sizest)
523 msg("mapping (Pass I) [regular files]\n");
524 #ifdef __linux__
525 if (directory[0] == 0)
526 anydirskipped = mapfiles(maxino, &tapesize);
527 else
528 anydirskipped = mapfilesfromdir(maxino, &tapesize, directory);
529 #else
530 anydirskipped = mapfiles(maxino, &tapesize);
531 #endif
532
533 if (!sizest)
534 msg("mapping (Pass II) [directories]\n");
535 while (anydirskipped) {
536 anydirskipped = mapdirs(maxino, &tapesize);
537 }
538
539 if (sizest) {
540 printf("%.0f\n", ((double)tapesize + 11) * TP_BSIZE);
541 exit(X_FINOK);
542 } /* stop here for size estimate */
543
544 if (pipeout || unlimited) {
545 tapesize += 11; /* 10 trailer blocks + 1 map header */
546 msg("estimated %ld tape blocks.\n", tapesize);
547 } else {
548 double fetapes;
549
550 if (blocksperfile)
551 fetapes = (double) tapesize / blocksperfile;
552 else if (cartridge) {
553 /* Estimate number of tapes, assuming streaming stops at
554 the end of each block written, and not in mid-block.
555 Assume no erroneous blocks; this can be compensated
556 for with an artificially low tape size. */
557 fetapes =
558 ( (double) tapesize /* blocks */
559 * TP_BSIZE /* bytes/block */
560 * (1.0/density) /* 0.1" / byte " */
561 +
562 (double) tapesize /* blocks */
563 * (1.0/ntrec) /* streaming-stops per block */
564 * 15.48 /* 0.1" / streaming-stop " */
565 ) * (1.0 / tsize ); /* tape / 0.1" " */
566 } else {
567 /* Estimate number of tapes, for old fashioned 9-track
568 tape */
569 int tenthsperirg = (density == 625) ? 3 : 7;
570 fetapes =
571 ( (double) tapesize /* blocks */
572 * TP_BSIZE /* bytes / block */
573 * (1.0/density) /* 0.1" / byte " */
574 +
575 (double) tapesize /* blocks */
576 * (1.0/ntrec) /* IRG's / block */
577 * tenthsperirg /* 0.1" / IRG " */
578 ) * (1.0 / tsize ); /* tape / 0.1" " */
579 }
580 etapes = fetapes; /* truncating assignment */
581 etapes++;
582 /* count the dumped inodes map on each additional tape */
583 tapesize += (etapes - 1) *
584 (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
585 tapesize += etapes + 10; /* headers + 10 trailer blks */
586 msg("estimated %ld tape blocks on %3.2f tape(s).\n",
587 tapesize, fetapes);
588 }
589
590 /*
591 * Allocate tape buffer.
592 */
593 if (!alloctape())
594 quit(
595 "can't allocate tape buffers - try a smaller blocking factor.\n");
596
597 startnewtape(1);
598 #ifdef __linux__
599 (void)time4(&(tstart_writing));
600 #else
601 (void)time((time_t *)&(tstart_writing));
602 #endif
603 dumpmap(usedinomap, TS_CLRI, maxino - 1);
604
605 msg("dumping (Pass III) [directories]\n");
606 dirty = 0; /* XXX just to get gcc to shut up */
607 for (map = dumpdirmap, ino = 1; ino < maxino; ino++) {
608 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
609 dirty = *map++;
610 else
611 dirty >>= 1;
612 if ((dirty & 1) == 0)
613 continue;
614 /*
615 * Skip directory inodes deleted and maybe reallocated
616 */
617 dp = getino(ino);
618 if ((dp->di_mode & IFMT) != IFDIR)
619 continue;
620 #ifdef __linux__
621 /*
622 * Skip directory inodes deleted and not yes reallocated...
623 */
624 if (dp->di_nlink == 0 || dp->di_dtime != 0)
625 continue;
626 (void)dumpdirino(dp, ino);
627 #else
628 (void)dumpino(dp, ino);
629 #endif
630 }
631
632 msg("dumping (Pass IV) [regular files]\n");
633 for (map = dumpinomap, ino = 1; ino < maxino; ino++) {
634 if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */
635 dirty = *map++;
636 else
637 dirty >>= 1;
638 if ((dirty & 1) == 0)
639 continue;
640 /*
641 * Skip inodes deleted and reallocated as directories.
642 */
643 dp = getino(ino);
644 if ((dp->di_mode & IFMT) == IFDIR)
645 continue;
646 #ifdef __linux__
647 /*
648 * No need to check here for deleted and not yes reallocated inodes
649 * since this is done in dumpino().
650 */
651 #endif
652 (void)dumpino(dp, ino);
653 }
654
655 #ifdef __linux__
656 (void)time4(&(tend_writing));
657 #else
658 (void)time((time_t *)&(tend_writing));
659 #endif
660 spcl.c_type = TS_END;
661 for (i = 0; i < ntrec; i++)
662 writeheader(maxino - 1);
663
664 tnow = trewind();
665
666 if (pipeout)
667 msg("%ld tape blocks (%.2fMB)\n", spcl.c_tapea,
668 ((double)spcl.c_tapea * TP_BSIZE / 1048576));
669 else
670 msg("%ld tape blocks (%.2fMB) on %d volume(s)\n",
671 spcl.c_tapea,
672 ((double)spcl.c_tapea * TP_BSIZE / 1048576),
673 spcl.c_volume);
674
675 /* report dump performance, avoid division through zero */
676 if (tend_writing - tstart_writing == 0)
677 msg("finished in less than a second\n");
678 else
679 msg("finished in %d seconds, throughput %d KBytes/sec\n",
680 tend_writing - tstart_writing,
681 spcl.c_tapea / (tend_writing - tstart_writing));
682
683 putdumptime();
684 #ifdef __linux__
685 msg("Date of this level %c dump: %s", level,
686 spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
687 #else
688 msg("Date of this level %c dump: %s", level,
689 spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
690 #endif
691 msg("Date this dump completed: %s", ctime(&tnow));
692
693 msg("Average transfer rate: %ld KB/s\n", xferrate / tapeno);
694
695 broadcast("DUMP IS DONE!\7\7\n");
696 msg("DUMP IS DONE\n");
697 Exit(X_FINOK);
698 /* NOTREACHED */
699 return 0; /* gcc - shut up */
700 }
701
702 static void
703 usage(void)
704 {
705 char white[MAXPATHLEN];
706 int i;
707
708 strncpy(white, __progname, MAXPATHLEN-1);
709 white[MAXPATHLEN-1] = '\0';
710 for (i=0; i<MAXPATHLEN; ++i)
711 if (white[i] != '\0') white[i] = ' ';
712
713 fprintf(stderr,
714 "%s %s\n", __progname, _DUMP_VERSION);
715 fprintf(stderr,
716 "usage:\t%s [-0123456789ac"
717 #ifdef KERBEROS
718 "k"
719 #endif
720 "MnSu] [-B records] [-b blocksize] [-d density]\n"
721 "\t%s [-e inode#] [-f file] [-h level] [-s feet] [-T date] filesystem\n"
722 "\t%s [-W | -w]\n", __progname, white, __progname);
723 exit(X_STARTUP);
724 }
725
726 /*
727 * Pick up a numeric argument. It must be nonnegative and in the given
728 * range (except that a vmax of 0 means unlimited).
729 */
730 static long
731 numarg(const char *meaning, long vmin, long vmax)
732 {
733 char *p;
734 long val;
735
736 val = strtol(optarg, &p, 10);
737 if (*p)
738 errx(X_STARTUP, "illegal %s -- %s", meaning, optarg);
739 if (val < vmin || (vmax && val > vmax))
740 errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax);
741 return (val);
742 }
743
744 void
745 sig(int signo)
746 {
747 switch(signo) {
748 case SIGALRM:
749 case SIGBUS:
750 case SIGFPE:
751 case SIGHUP:
752 case SIGTERM:
753 case SIGTRAP:
754 if (pipeout)
755 quit("Signal on pipe: cannot recover\n");
756 msg("Rewriting attempted as response to unknown signal.\n");
757 (void)fflush(stderr);
758 (void)fflush(stdout);
759 close_rewind();
760 exit(X_REWRITE);
761 /* NOTREACHED */
762 case SIGSEGV:
763 msg("SIGSEGV: ABORTING!\n");
764 (void)signal(SIGSEGV, SIG_DFL);
765 (void)kill(0, SIGSEGV);
766 /* NOTREACHED */
767 }
768 }
769
770 char *
771 rawname(char *cp)
772 {
773 #ifdef __linux__
774 return cp;
775 #else /* __linux__ */
776 static char rawbuf[MAXPATHLEN];
777 char *dp = strrchr(cp, '/');
778
779 if (dp == NULL)
780 return (NULL);
781 *dp = '\0';
782 (void)strncpy(rawbuf, cp, MAXPATHLEN - 1);
783 rawbuf[MAXPATHLEN-1] = '\0';
784 *dp = '/';
785 (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf));
786 (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf));
787 return (rawbuf);
788 #endif /* __linux__ */
789 }
790
791 /*
792 * obsolete --
793 * Change set of key letters and ordered arguments into something
794 * getopt(3) will like.
795 */
796 static void
797 obsolete(int *argcp, char **argvp[])
798 {
799 int argc, flags;
800 char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL;
801
802 /* Setup. */
803 argv = *argvp;
804 argc = *argcp;
805
806 /* Return if no arguments or first argument has leading dash. */
807 ap = argv[1];
808 if (argc == 1 || *ap == '-')
809 return;
810
811 /* Allocate space for new arguments. */
812 if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL ||
813 (p = flagsp = malloc(strlen(ap) + 2)) == NULL)
814 err(X_STARTUP, "malloc new args");
815
816 *nargv++ = *argv;
817 argv += 2;
818
819 for (flags = 0; *ap; ++ap) {
820 switch (*ap) {
821 case 'B':
822 case 'b':
823 case 'd':
824 case 'e':
825 case 'f':
826 case 'F':
827 case 'h':
828 case 'L':
829 case 's':
830 case 'T':
831 if (*argv == NULL) {
832 warnx("option requires an argument -- %c", *ap);
833 usage();
834 }
835 if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL)
836 err(X_STARTUP, "malloc arg");
837 nargv[0][0] = '-';
838 nargv[0][1] = *ap;
839 (void)strcpy(&nargv[0][2], *argv);
840 ++argv;
841 ++nargv;
842 break;
843 default:
844 if (!flags) {
845 *p++ = '-';
846 flags = 1;
847 }
848 *p++ = *ap;
849 break;
850 }
851 }
852
853 /* Terminate flags. */
854 if (flags) {
855 *p = '\0';
856 *nargv++ = flagsp;
857 }
858
859 /* Copy remaining arguments. */
860 while ((*nargv++ = *argv++));
861
862 /* Update argument count. */
863 *argcp = nargv - *argvp - 1;
864 }
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