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Commit | Line | Data |
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1227625a SP |
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, 1995, 1996 | |
5 | * | |
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 char copyright[] = | |
43 | "@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ | |
44 | The Regents of the University of California. All rights reserved.\n"; | |
45 | #endif /* not lint */ | |
46 | ||
47 | #ifndef lint | |
48 | static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/1/95"; | |
49 | #endif /* not lint */ | |
50 | ||
51 | #include <sys/param.h> | |
52 | #include <sys/time.h> | |
53 | #ifdef __linux__ | |
54 | #include <linux/ext2_fs.h> | |
55 | #include <sys/stat.h> | |
56 | #include <bsdcompat.h> | |
57 | #else | |
58 | #ifdef sunos | |
59 | #include <sys/vnode.h> | |
60 | ||
61 | #include <ufs/inode.h> | |
62 | #include <ufs/fs.h> | |
63 | #else | |
64 | #include <ufs/ufs/dinode.h> | |
65 | #include <ufs/ffs/fs.h> | |
66 | #endif | |
67 | #endif | |
68 | ||
69 | #include <protocols/dumprestore.h> | |
70 | ||
71 | #include <ctype.h> | |
72 | #include <err.h> | |
73 | #include <errno.h> | |
74 | #include <fcntl.h> | |
75 | #include <fstab.h> | |
76 | #include <signal.h> | |
77 | #include <stdio.h> | |
78 | #include <stdlib.h> | |
79 | #include <string.h> | |
80 | #include <unistd.h> | |
81 | ||
82 | #ifdef __linux__ | |
83 | #include <ext2fs/ext2fs.h> | |
84 | #endif | |
85 | ||
86 | #include "dump.h" | |
87 | #include "pathnames.h" | |
88 | ||
89 | #ifndef SBOFF | |
90 | #define SBOFF (SBLOCK * DEV_BSIZE) | |
91 | #endif | |
92 | ||
93 | int notify = 0; /* notify operator flag */ | |
94 | int blockswritten = 0; /* number of blocks written on current tape */ | |
95 | int tapeno = 0; /* current tape number */ | |
96 | int density = 0; /* density in bytes/0.1" */ | |
97 | int ntrec = NTREC; /* # tape blocks in each tape record */ | |
98 | int cartridge = 0; /* Assume non-cartridge tape */ | |
99 | long dev_bsize = 1; /* recalculated below */ | |
100 | long blocksperfile; /* output blocks per file */ | |
101 | char *host = NULL; /* remote host (if any) */ | |
102 | ||
103 | #ifdef __linux__ | |
104 | char *__progname; | |
105 | #endif | |
106 | ||
107 | static long numarg __P((char *, long, long)); | |
108 | static void obsolete __P((int *, char **[])); | |
109 | static void usage __P((void)); | |
110 | ||
111 | int | |
112 | main(argc, argv) | |
113 | int argc; | |
114 | char *argv[]; | |
115 | { | |
116 | register ino_t ino; | |
117 | register int dirty; | |
118 | register struct dinode *dp; | |
119 | register struct fstab *dt; | |
120 | register char *map; | |
121 | register int ch; | |
122 | int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; | |
123 | ino_t maxino; | |
124 | #ifdef __linux__ | |
125 | errcode_t retval; | |
126 | char directory[NAME_MAX]; | |
127 | char pathname[NAME_MAX]; | |
128 | #endif | |
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 | tape = _PATH_DEFTAPE; | |
145 | dumpdates = _PATH_DUMPDATES; | |
146 | temp = _PATH_DTMP; | |
147 | if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) | |
148 | quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); | |
149 | level = '0'; | |
150 | if (argc < 2) | |
151 | usage(); | |
152 | ||
153 | obsolete(&argc, &argv); | |
154 | while ((ch = getopt(argc, argv, "0123456789B:b:cd:f:h:ns:T:uWw")) != -1) switch (ch) { | |
155 | /* dump level */ | |
156 | case '0': case '1': case '2': case '3': case '4': | |
157 | case '5': case '6': case '7': case '8': case '9': | |
158 | level = ch; | |
159 | break; | |
160 | ||
161 | case 'B': /* blocks per output file */ | |
162 | blocksperfile = numarg("blocks per file", 1L, 0L); | |
163 | break; | |
164 | ||
165 | case 'b': /* blocks per tape write */ | |
166 | ntrec = numarg("blocks per write", 1L, 1000L); | |
167 | break; | |
168 | ||
169 | case 'c': /* Tape is cart. not 9-track */ | |
170 | cartridge = 1; | |
171 | break; | |
172 | ||
173 | case 'd': /* density, in bits per inch */ | |
174 | density = numarg("density", 10L, 327670L) / 10; | |
175 | if (density >= 625 && !bflag) | |
176 | ntrec = HIGHDENSITYTREC; | |
177 | break; | |
178 | ||
179 | case 'f': /* output file */ | |
180 | tape = optarg; | |
181 | break; | |
182 | ||
183 | case 'h': | |
184 | honorlevel = numarg("honor level", 0L, 10L); | |
185 | break; | |
186 | ||
187 | case 'n': /* notify operators */ | |
188 | notify = 1; | |
189 | break; | |
190 | ||
191 | case 's': /* tape size, feet */ | |
192 | tsize = numarg("tape size", 1L, 0L) * 12 * 10; | |
193 | break; | |
194 | ||
195 | case 'T': /* time of last dump */ | |
196 | spcl.c_ddate = unctime(optarg); | |
197 | if (spcl.c_ddate < 0) { | |
198 | (void)fprintf(stderr, "bad time \"%s\"\n", | |
199 | optarg); | |
200 | exit(X_ABORT); | |
201 | } | |
202 | Tflag = 1; | |
203 | lastlevel = '?'; | |
204 | ||
205 | case 'u': /* update /etc/dumpdates */ | |
206 | uflag = 1; | |
207 | break; | |
208 | ||
209 | case 'W': /* what to do */ | |
210 | case 'w': | |
211 | lastdump(ch); | |
212 | exit(0); /* do nothing else */ | |
213 | ||
214 | default: | |
215 | usage(); | |
216 | } | |
217 | argc -= optind; | |
218 | argv += optind; | |
219 | ||
220 | if (argc < 1) { | |
221 | (void)fprintf(stderr, "Must specify disk or filesystem\n"); | |
222 | exit(X_ABORT); | |
223 | } | |
224 | disk = *argv++; | |
225 | argc--; | |
226 | if (argc >= 1) { | |
227 | (void)fprintf(stderr, "Unknown arguments to dump:"); | |
228 | while (argc--) | |
229 | (void)fprintf(stderr, " %s", *argv++); | |
230 | (void)fprintf(stderr, "\n"); | |
231 | exit(X_ABORT); | |
232 | } | |
233 | if (Tflag && uflag) { | |
234 | (void)fprintf(stderr, | |
235 | "You cannot use the T and u flags together.\n"); | |
236 | exit(X_ABORT); | |
237 | } | |
238 | if (strcmp(tape, "-") == 0) { | |
239 | pipeout++; | |
240 | tape = "standard output"; | |
241 | } | |
242 | ||
243 | if (blocksperfile) | |
244 | blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ | |
245 | else { | |
246 | /* | |
247 | * Determine how to default tape size and density | |
248 | * | |
249 | * density tape size | |
250 | * 9-track 1600 bpi (160 bytes/.1") 2300 ft. | |
251 | * 9-track 6250 bpi (625 bytes/.1") 2300 ft. | |
252 | * cartridge 8000 bpi (100 bytes/.1") 1700 ft. | |
253 | * (450*4 - slop) | |
254 | */ | |
255 | if (density == 0) | |
256 | density = cartridge ? 100 : 160; | |
257 | if (tsize == 0) | |
258 | tsize = cartridge ? 1700L*120L : 2300L*120L; | |
259 | } | |
260 | ||
261 | if (strchr(tape, ':')) { | |
262 | host = tape; | |
263 | tape = strchr(host, ':'); | |
264 | *tape++ = '\0'; | |
265 | #ifdef RDUMP | |
266 | if (rmthost(host) == 0) | |
267 | exit(X_ABORT); | |
268 | #else | |
269 | (void)fprintf(stderr, "remote dump not enabled\n"); | |
270 | exit(X_ABORT); | |
271 | #endif | |
272 | } | |
273 | (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */ | |
274 | ||
275 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) | |
276 | signal(SIGHUP, sig); | |
277 | if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) | |
278 | signal(SIGTRAP, sig); | |
279 | if (signal(SIGFPE, SIG_IGN) != SIG_IGN) | |
280 | signal(SIGFPE, sig); | |
281 | if (signal(SIGBUS, SIG_IGN) != SIG_IGN) | |
282 | signal(SIGBUS, sig); | |
283 | if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) | |
284 | signal(SIGSEGV, sig); | |
285 | if (signal(SIGTERM, SIG_IGN) != SIG_IGN) | |
286 | signal(SIGTERM, sig); | |
287 | if (signal(SIGINT, interrupt) == SIG_IGN) | |
288 | signal(SIGINT, SIG_IGN); | |
289 | ||
290 | set_operators(); /* /etc/group snarfed */ | |
291 | getfstab(); /* /etc/fstab snarfed */ | |
292 | /* | |
293 | * disk can be either the full special file name, | |
294 | * the suffix of the special file name, | |
295 | * the special name missing the leading '/', | |
296 | * the file system name with or without the leading '/'. | |
297 | */ | |
298 | dt = fstabsearch(disk); | |
299 | if (dt != NULL) { | |
300 | disk = rawname(dt->fs_spec); | |
301 | (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); | |
302 | (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); | |
303 | #ifdef __linux__ | |
304 | } else { | |
305 | /* | |
306 | * The argument was not found in the fstab | |
307 | * assume that this is a subtree and search for it | |
308 | */ | |
309 | #ifdef HAVE_REALPATH | |
310 | if (realpath(disk, pathname) == NULL) | |
311 | #endif | |
312 | strcpy(pathname, disk); | |
313 | dt = fstabsearchdir(pathname, directory); | |
314 | if (dt != NULL) { | |
315 | char name[MAXPATHLEN]; | |
316 | (void)sprintf(name, "%s (dir %s)", | |
317 | dt->fs_spec, directory); | |
318 | (void)strncpy(spcl.c_dev, name, NAMELEN); | |
319 | (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); | |
320 | disk = rawname(dt->fs_spec); | |
321 | } else { | |
322 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
323 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
324 | NAMELEN); | |
325 | } | |
326 | } | |
327 | #else | |
328 | } else { | |
329 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
330 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
331 | NAMELEN); | |
332 | } | |
333 | #endif | |
334 | (void)strcpy(spcl.c_label, "none"); | |
335 | (void)gethostname(spcl.c_host, NAMELEN); | |
336 | spcl.c_level = level - '0'; | |
337 | spcl.c_type = TS_TAPE; | |
338 | if (!Tflag) | |
339 | getdumptime(); /* /etc/dumpdates snarfed */ | |
340 | ||
341 | msg("Date of this level %c dump: %s", level, | |
342 | #ifdef __linux | |
343 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); | |
344 | #else | |
345 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); | |
346 | #endif | |
347 | msg("Date of last level %c dump: %s", lastlevel, | |
348 | #ifdef __linux__ | |
349 | spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate)); | |
350 | #else | |
351 | spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate)); | |
352 | #endif | |
353 | msg("Dumping %s ", disk); | |
354 | if (dt != NULL) | |
355 | msgtail("(%s) ", dt->fs_file); | |
356 | if (host) | |
357 | msgtail("to %s on host %s\n", tape, host); | |
358 | else | |
359 | msgtail("to %s\n", tape); | |
360 | ||
361 | #ifdef __linux__ | |
362 | retval = ext2fs_open(disk, 0, 0, 0, unix_io_manager, &fs); | |
363 | if (retval) { | |
364 | com_err(disk, retval, "while opening filesystem"); | |
365 | if (retval == EXT2_ET_REV_TOO_HIGH) | |
366 | printf ("Get a newer version of dump!\n"); | |
367 | exit(X_ABORT); | |
368 | } | |
369 | if (fs->super->s_rev_level > DUMP_CURRENT_REV) { | |
370 | com_err(disk, retval, "while opening filesystem"); | |
371 | printf ("Get a newer version of dump!\n"); | |
372 | exit(X_ABORT); | |
373 | } | |
374 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
375 | msg("Cannot open %s\n", disk); | |
376 | exit(X_ABORT); | |
377 | } | |
378 | sync(); | |
379 | dev_bsize = DEV_BSIZE; | |
380 | dev_bshift = ffs(dev_bsize) - 1; | |
381 | if (dev_bsize != (1 << dev_bshift)) | |
382 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
383 | tp_bshift = ffs(TP_BSIZE) - 1; | |
384 | if (TP_BSIZE != (1 << tp_bshift)) | |
385 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
386 | maxino = fs->super->s_inodes_count; | |
387 | #if 0 | |
388 | spcl.c_flags |= DR_NEWINODEFMT; | |
389 | #endif | |
390 | #else /* __linux __*/ | |
391 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
392 | msg("Cannot open %s\n", disk); | |
393 | exit(X_ABORT); | |
394 | } | |
395 | sync(); | |
396 | sblock = (struct fs *)sblock_buf; | |
397 | bread(SBOFF, (char *) sblock, SBSIZE); | |
398 | if (sblock->fs_magic != FS_MAGIC) | |
399 | quit("bad sblock magic number\n"); | |
400 | dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); | |
401 | dev_bshift = ffs(dev_bsize) - 1; | |
402 | if (dev_bsize != (1 << dev_bshift)) | |
403 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
404 | tp_bshift = ffs(TP_BSIZE) - 1; | |
405 | if (TP_BSIZE != (1 << tp_bshift)) | |
406 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
407 | spcl.c_flags |= DR_NEWINODEFMT; | |
408 | #ifdef FS_44INODEFMT | |
409 | if (sblock->fs_inodefmt >= FS_44INODEFMT) | |
410 | spcl.c_flags |= DR_NEWINODEFMT; | |
411 | #endif | |
412 | maxino = sblock->fs_ipg * sblock->fs_ncg; | |
413 | #endif /* __linux__ */ | |
414 | mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); | |
415 | usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
416 | dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
417 | dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
418 | tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
419 | ||
420 | nonodump = spcl.c_level < honorlevel; | |
421 | ||
422 | msg("mapping (Pass I) [regular files]\n"); | |
423 | #ifdef __linux__ | |
424 | if (directory[0] == 0) | |
425 | anydirskipped = mapfiles(maxino, &tapesize); | |
426 | else | |
427 | anydirskipped = mapfilesfromdir(maxino, &tapesize, directory); | |
428 | #else | |
429 | anydirskipped = mapfiles(maxino, &tapesize); | |
430 | #endif | |
431 | ||
432 | msg("mapping (Pass II) [directories]\n"); | |
433 | while (anydirskipped) { | |
434 | anydirskipped = mapdirs(maxino, &tapesize); | |
435 | } | |
436 | ||
437 | if (pipeout) { | |
438 | tapesize += 10; /* 10 trailer blocks */ | |
439 | msg("estimated %ld tape blocks.\n", tapesize); | |
440 | } else { | |
441 | double fetapes; | |
442 | ||
443 | if (blocksperfile) | |
444 | fetapes = (double) tapesize / blocksperfile; | |
445 | else if (cartridge) { | |
446 | /* Estimate number of tapes, assuming streaming stops at | |
447 | the end of each block written, and not in mid-block. | |
448 | Assume no erroneous blocks; this can be compensated | |
449 | for with an artificially low tape size. */ | |
450 | fetapes = | |
451 | ( tapesize /* blocks */ | |
452 | * TP_BSIZE /* bytes/block */ | |
453 | * (1.0/density) /* 0.1" / byte */ | |
454 | + | |
455 | tapesize /* blocks */ | |
456 | * (1.0/ntrec) /* streaming-stops per block */ | |
457 | * 15.48 /* 0.1" / streaming-stop */ | |
458 | ) * (1.0 / tsize ); /* tape / 0.1" */ | |
459 | } else { | |
460 | /* Estimate number of tapes, for old fashioned 9-track | |
461 | tape */ | |
462 | int tenthsperirg = (density == 625) ? 3 : 7; | |
463 | fetapes = | |
464 | ( tapesize /* blocks */ | |
465 | * TP_BSIZE /* bytes / block */ | |
466 | * (1.0/density) /* 0.1" / byte */ | |
467 | + | |
468 | tapesize /* blocks */ | |
469 | * (1.0/ntrec) /* IRG's / block */ | |
470 | * tenthsperirg /* 0.1" / IRG */ | |
471 | ) * (1.0 / tsize ); /* tape / 0.1" */ | |
472 | } | |
473 | etapes = fetapes; /* truncating assignment */ | |
474 | etapes++; | |
475 | /* count the dumped inodes map on each additional tape */ | |
476 | tapesize += (etapes - 1) * | |
477 | (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
478 | tapesize += etapes + 10; /* headers + 10 trailer blks */ | |
479 | msg("estimated %ld tape blocks on %3.2f tape(s).\n", | |
480 | tapesize, fetapes); | |
481 | } | |
482 | ||
483 | /* | |
484 | * Allocate tape buffer. | |
485 | */ | |
486 | if (!alloctape()) | |
487 | quit("can't allocate tape buffers - try a smaller blocking factor.\n"); | |
488 | ||
489 | startnewtape(1); | |
490 | (void)time((time_t *)&(tstart_writing)); | |
491 | dumpmap(usedinomap, TS_CLRI, maxino - 1); | |
492 | ||
493 | msg("dumping (Pass III) [directories]\n"); | |
494 | dirty = 0; /* XXX just to get gcc to shut up */ | |
495 | for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { | |
496 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ | |
497 | dirty = *map++; | |
498 | else | |
499 | dirty >>= 1; | |
500 | if ((dirty & 1) == 0) | |
501 | continue; | |
502 | /* | |
503 | * Skip directory inodes deleted and maybe reallocated | |
504 | */ | |
505 | dp = getino(ino); | |
506 | if ((dp->di_mode & IFMT) != IFDIR) | |
507 | continue; | |
508 | #ifdef __linux__ | |
509 | (void)dumpdirino(dp, ino); | |
510 | #else | |
511 | (void)dumpino(dp, ino); | |
512 | #endif | |
513 | } | |
514 | ||
515 | msg("dumping (Pass IV) [regular files]\n"); | |
516 | for (map = dumpinomap, ino = 1; ino < maxino; ino++) { | |
517 | int mode; | |
518 | ||
519 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ | |
520 | dirty = *map++; | |
521 | else | |
522 | dirty >>= 1; | |
523 | if ((dirty & 1) == 0) | |
524 | continue; | |
525 | /* | |
526 | * Skip inodes deleted and reallocated as directories. | |
527 | */ | |
528 | dp = getino(ino); | |
529 | mode = dp->di_mode & IFMT; | |
530 | if (mode == IFDIR) | |
531 | continue; | |
532 | (void)dumpino(dp, ino); | |
533 | } | |
534 | ||
535 | #ifdef __linux__ | |
536 | (void)time((time_t *)&(tend_writing)); | |
537 | #endif | |
538 | spcl.c_type = TS_END; | |
539 | for (i = 0; i < ntrec; i++) | |
540 | writeheader(maxino - 1); | |
541 | if (pipeout) | |
542 | msg("DUMP: %ld tape blocks\n",spcl.c_tapea); | |
543 | else | |
544 | msg("DUMP: %ld tape blocks on %d volumes(s)\n", | |
545 | spcl.c_tapea, spcl.c_volume); | |
546 | #ifdef __linux__ | |
547 | /* report dump performance, avoid division through zero */ | |
548 | if (tend_writing - tstart_writing == 0) | |
549 | msg("finished in less than a second\n"); | |
550 | else | |
551 | msg("finished in %d seconds, throughput %d KBytes/sec\n", | |
552 | tend_writing - tstart_writing, | |
553 | spcl.c_tapea / (tend_writing - tstart_writing)); | |
554 | #endif | |
555 | putdumptime(); | |
556 | trewind(); | |
557 | broadcast("DUMP IS DONE!\7\7\n"); | |
558 | msg("DUMP IS DONE\n"); | |
559 | Exit(X_FINOK); | |
560 | /* NOTREACHED */ | |
561 | } | |
562 | ||
563 | static void | |
564 | usage() | |
565 | { | |
566 | ||
567 | (void)fprintf(stderr, "usage: dump [-0123456789cnu] [-B records] [-b blocksize] [-d density] [-f file]\n [-h level] [-s feet] [-T date] filesystem\n"); | |
568 | (void)fprintf(stderr, " dump [-W | -w]\n"); | |
569 | exit(1); | |
570 | } | |
571 | ||
572 | /* | |
573 | * Pick up a numeric argument. It must be nonnegative and in the given | |
574 | * range (except that a vmax of 0 means unlimited). | |
575 | */ | |
576 | static long | |
577 | numarg(meaning, vmin, vmax) | |
578 | char *meaning; | |
579 | long vmin, vmax; | |
580 | { | |
581 | char *p; | |
582 | long val; | |
583 | ||
584 | val = strtol(optarg, &p, 10); | |
585 | if (*p) | |
586 | errx(1, "illegal %s -- %s", meaning, optarg); | |
587 | if (val < vmin || (vmax && val > vmax)) | |
588 | errx(1, "%s must be between %ld and %ld", meaning, vmin, vmax); | |
589 | return (val); | |
590 | } | |
591 | ||
592 | void | |
593 | sig(signo) | |
594 | int signo; | |
595 | { | |
596 | switch(signo) { | |
597 | case SIGALRM: | |
598 | case SIGBUS: | |
599 | case SIGFPE: | |
600 | case SIGHUP: | |
601 | case SIGTERM: | |
602 | case SIGTRAP: | |
603 | if (pipeout) | |
604 | quit("Signal on pipe: cannot recover\n"); | |
605 | msg("Rewriting attempted as response to unknown signal.\n"); | |
606 | (void)fflush(stderr); | |
607 | (void)fflush(stdout); | |
608 | close_rewind(); | |
609 | exit(X_REWRITE); | |
610 | /* NOTREACHED */ | |
611 | case SIGSEGV: | |
612 | msg("SIGSEGV: ABORTING!\n"); | |
613 | (void)signal(SIGSEGV, SIG_DFL); | |
614 | (void)kill(0, SIGSEGV); | |
615 | /* NOTREACHED */ | |
616 | } | |
617 | } | |
618 | ||
619 | char * | |
620 | rawname(cp) | |
621 | char *cp; | |
622 | { | |
623 | #ifdef __linux__ | |
624 | return cp; | |
625 | #else /* __linux__ */ | |
626 | static char rawbuf[MAXPATHLEN]; | |
627 | char *dp = strrchr(cp, '/'); | |
628 | ||
629 | if (dp == NULL) | |
630 | return (NULL); | |
631 | *dp = '\0'; | |
632 | (void)strcpy(rawbuf, cp); | |
633 | *dp = '/'; | |
634 | (void)strcat(rawbuf, "/r"); | |
635 | (void)strcat(rawbuf, dp + 1); | |
636 | return (rawbuf); | |
637 | #endif /* __linux__ */ | |
638 | } | |
639 | ||
640 | /* | |
641 | * obsolete -- | |
642 | * Change set of key letters and ordered arguments into something | |
643 | * getopt(3) will like. | |
644 | */ | |
645 | static void | |
646 | obsolete(argcp, argvp) | |
647 | int *argcp; | |
648 | char **argvp[]; | |
649 | { | |
650 | int argc, flags; | |
651 | char *ap, **argv, *flagsp, **nargv, *p; | |
652 | ||
653 | /* Setup. */ | |
654 | argv = *argvp; | |
655 | argc = *argcp; | |
656 | ||
657 | /* Return if no arguments or first argument has leading dash. */ | |
658 | ap = argv[1]; | |
659 | if (argc == 1 || *ap == '-') | |
660 | return; | |
661 | ||
662 | /* Allocate space for new arguments. */ | |
663 | if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || | |
664 | (p = flagsp = malloc(strlen(ap) + 2)) == NULL) | |
665 | err(1, NULL); | |
666 | ||
667 | *nargv++ = *argv; | |
668 | argv += 2; | |
669 | ||
670 | for (flags = 0; *ap; ++ap) { | |
671 | switch (*ap) { | |
672 | case 'B': | |
673 | case 'b': | |
674 | case 'd': | |
675 | case 'f': | |
676 | case 'h': | |
677 | case 's': | |
678 | case 'T': | |
679 | if (*argv == NULL) { | |
680 | warnx("option requires an argument -- %c", *ap); usage(); | |
681 | } | |
682 | if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) | |
683 | err(1, NULL); | |
684 | nargv[0][0] = '-'; | |
685 | nargv[0][1] = *ap; | |
686 | (void)strcpy(&nargv[0][2], *argv); | |
687 | ++argv; | |
688 | ++nargv; | |
689 | break; | |
690 | default: | |
691 | if (!flags) { | |
692 | *p++ = '-'; | |
693 | flags = 1; | |
694 | } | |
695 | *p++ = *ap; | |
696 | break; | |
697 | } | |
698 | } | |
699 | ||
700 | /* Terminate flags. */ | |
701 | if (flags) { | |
702 | *p = '\0'; | |
703 | *nargv++ = flagsp; | |
704 | } | |
705 | ||
706 | /* Copy remaining arguments. */ | |
707 | while (*nargv++ = *argv++); | |
708 | ||
709 | /* Update argument count. */ | |
710 | *argcp = nargv - *argvp - 1; | |
711 | } |