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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 | |
b45f51d6 | 4 | * Remy Card <card@Linux.EU.Org>, 1994-1997 |
ddd2ef55 | 5 | * Stelian Pop <pop@cybercable.fr>, 1999 |
1227625a SP |
6 | * |
7 | */ | |
8 | ||
9 | /*- | |
10 | * Copyright (c) 1980, 1991, 1993, 1994 | |
11 | * The Regents of the University of California. All rights reserved. | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or without | |
14 | * modification, are permitted provided that the following conditions | |
15 | * are met: | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. All advertising materials mentioning features or use of this software | |
22 | * must display the following acknowledgement: | |
23 | * This product includes software developed by the University of | |
24 | * California, Berkeley and its contributors. | |
25 | * 4. Neither the name of the University nor the names of its contributors | |
26 | * may be used to endorse or promote products derived from this software | |
27 | * without specific prior written permission. | |
28 | * | |
29 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
30 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
35 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
36 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
37 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
38 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
39 | * SUCH DAMAGE. | |
ec387a12 SP |
40 | * |
41 | * $Id: main.c,v 1.5 1999/10/11 13:31:11 stelian Exp $ | |
1227625a SP |
42 | */ |
43 | ||
1227625a SP |
44 | #include <sys/param.h> |
45 | #include <sys/time.h> | |
46 | #ifdef __linux__ | |
47 | #include <linux/ext2_fs.h> | |
48 | #include <sys/stat.h> | |
49 | #include <bsdcompat.h> | |
50 | #else | |
51 | #ifdef sunos | |
52 | #include <sys/vnode.h> | |
53 | ||
54 | #include <ufs/inode.h> | |
55 | #include <ufs/fs.h> | |
56 | #else | |
57 | #include <ufs/ufs/dinode.h> | |
58 | #include <ufs/ffs/fs.h> | |
59 | #endif | |
60 | #endif | |
61 | ||
62 | #include <protocols/dumprestore.h> | |
63 | ||
64 | #include <ctype.h> | |
ddd2ef55 | 65 | #include <compaterr.h> |
1227625a SP |
66 | #include <fcntl.h> |
67 | #include <fstab.h> | |
68 | #include <signal.h> | |
69 | #include <stdio.h> | |
70 | #include <stdlib.h> | |
71 | #include <string.h> | |
72 | #include <unistd.h> | |
73 | ||
74 | #ifdef __linux__ | |
75 | #include <ext2fs/ext2fs.h> | |
76 | #endif | |
77 | ||
78 | #include "dump.h" | |
79 | #include "pathnames.h" | |
80 | ||
81 | #ifndef SBOFF | |
82 | #define SBOFF (SBLOCK * DEV_BSIZE) | |
83 | #endif | |
84 | ||
85 | int notify = 0; /* notify operator flag */ | |
86 | int blockswritten = 0; /* number of blocks written on current tape */ | |
87 | int tapeno = 0; /* current tape number */ | |
b45f51d6 | 88 | int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */ |
1227625a SP |
89 | int ntrec = NTREC; /* # tape blocks in each tape record */ |
90 | int cartridge = 0; /* Assume non-cartridge tape */ | |
b45f51d6 | 91 | int dokerberos = 0; /* Use Kerberos authentication */ |
1227625a SP |
92 | long dev_bsize = 1; /* recalculated below */ |
93 | long blocksperfile; /* output blocks per file */ | |
94 | char *host = NULL; /* remote host (if any) */ | |
95 | ||
96 | #ifdef __linux__ | |
97 | char *__progname; | |
98 | #endif | |
99 | ||
ddd2ef55 SP |
100 | int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */ |
101 | static long numarg __P((const char *, long, long)); | |
1227625a SP |
102 | static void obsolete __P((int *, char **[])); |
103 | static void usage __P((void)); | |
104 | ||
105 | int | |
ddd2ef55 | 106 | main(int argc, char *argv[]) |
1227625a SP |
107 | { |
108 | register ino_t ino; | |
b45f51d6 | 109 | register int dirty; |
1227625a SP |
110 | register struct dinode *dp; |
111 | register struct fstab *dt; | |
112 | register char *map; | |
113 | register int ch; | |
114 | int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; | |
115 | ino_t maxino; | |
116 | #ifdef __linux__ | |
117 | errcode_t retval; | |
118 | char directory[NAME_MAX]; | |
119 | char pathname[NAME_MAX]; | |
120 | #endif | |
ddd2ef55 | 121 | time_t tnow; |
b45f51d6 | 122 | char labelstr[LBLSIZE]; |
1227625a SP |
123 | |
124 | spcl.c_date = 0; | |
125 | #ifdef __linux__ | |
126 | (void)time4(&spcl.c_date); | |
127 | #else | |
128 | (void)time((time_t *)&spcl.c_date); | |
129 | #endif | |
130 | ||
131 | #ifdef __linux__ | |
132 | __progname = argv[0]; | |
133 | directory[0] = 0; | |
134 | initialize_ext2_error_table(); | |
135 | #endif | |
136 | ||
137 | tsize = 0; /* Default later, based on 'c' option for cart tapes */ | |
b45f51d6 SP |
138 | if ((tape = getenv("TAPE")) == NULL) |
139 | tape = _PATH_DEFTAPE; | |
1227625a SP |
140 | dumpdates = _PATH_DUMPDATES; |
141 | temp = _PATH_DTMP; | |
b45f51d6 | 142 | strcpy(labelstr, "none"); /* XXX safe strcpy. */ |
1227625a SP |
143 | if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) |
144 | quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); | |
145 | level = '0'; | |
b45f51d6 | 146 | |
1227625a SP |
147 | if (argc < 2) |
148 | usage(); | |
149 | ||
150 | obsolete(&argc, &argv); | |
b45f51d6 SP |
151 | #ifdef KERBEROS |
152 | #define optstring "0123456789aB:b:cd:f:h:kL:ns:T:uWw" | |
153 | #else | |
154 | #define optstring "0123456789aB:b:cd:f:h:L:ns:T:uWw" | |
155 | #endif | |
156 | while ((ch = getopt(argc, argv, optstring)) != -1) | |
157 | #undef optstring | |
158 | switch (ch) { | |
1227625a SP |
159 | /* dump level */ |
160 | case '0': case '1': case '2': case '3': case '4': | |
161 | case '5': case '6': case '7': case '8': case '9': | |
162 | level = ch; | |
163 | break; | |
164 | ||
b45f51d6 SP |
165 | case 'a': /* `auto-size', Write to EOM. */ |
166 | unlimited = 1; | |
167 | break; | |
168 | ||
1227625a | 169 | case 'B': /* blocks per output file */ |
b45f51d6 SP |
170 | blocksperfile = numarg("number of blocks per file", |
171 | 1L, 0L); | |
1227625a SP |
172 | break; |
173 | ||
174 | case 'b': /* blocks per tape write */ | |
b45f51d6 SP |
175 | ntrec = numarg("number of blocks per write", |
176 | 1L, 1000L); | |
ddd2ef55 SP |
177 | if (ntrec > maxbsize/1024) { |
178 | msg("Please choose a blocksize <= %dKB\n", | |
179 | maxbsize/1024); | |
180 | exit(X_STARTUP); | |
181 | } | |
182 | bflag = 1; | |
1227625a SP |
183 | break; |
184 | ||
185 | case 'c': /* Tape is cart. not 9-track */ | |
186 | cartridge = 1; | |
187 | break; | |
188 | ||
189 | case 'd': /* density, in bits per inch */ | |
190 | density = numarg("density", 10L, 327670L) / 10; | |
191 | if (density >= 625 && !bflag) | |
192 | ntrec = HIGHDENSITYTREC; | |
193 | break; | |
194 | ||
195 | case 'f': /* output file */ | |
196 | tape = optarg; | |
197 | break; | |
198 | ||
199 | case 'h': | |
200 | honorlevel = numarg("honor level", 0L, 10L); | |
201 | break; | |
202 | ||
b45f51d6 SP |
203 | #ifdef KERBEROS |
204 | case 'k': | |
205 | dokerberos = 1; | |
206 | break; | |
207 | #endif | |
208 | ||
209 | case 'L': | |
210 | /* | |
211 | * Note that although there are LBLSIZE characters, | |
212 | * the last must be '\0', so the limit on strlen() | |
213 | * is really LBLSIZE-1. | |
214 | */ | |
215 | strncpy(labelstr, optarg, LBLSIZE); | |
216 | labelstr[LBLSIZE-1] = '\0'; | |
217 | if (strlen(optarg) > LBLSIZE-1) { | |
218 | msg( | |
219 | "WARNING Label `%s' is larger than limit of %d characters.\n", | |
220 | optarg, LBLSIZE-1); | |
221 | msg("WARNING: Using truncated label `%s'.\n", | |
222 | labelstr); | |
223 | } | |
224 | break; | |
225 | ||
1227625a SP |
226 | case 'n': /* notify operators */ |
227 | notify = 1; | |
228 | break; | |
229 | ||
230 | case 's': /* tape size, feet */ | |
231 | tsize = numarg("tape size", 1L, 0L) * 12 * 10; | |
232 | break; | |
233 | ||
234 | case 'T': /* time of last dump */ | |
235 | spcl.c_ddate = unctime(optarg); | |
236 | if (spcl.c_ddate < 0) { | |
237 | (void)fprintf(stderr, "bad time \"%s\"\n", | |
238 | optarg); | |
b45f51d6 | 239 | exit(X_STARTUP); |
1227625a SP |
240 | } |
241 | Tflag = 1; | |
242 | lastlevel = '?'; | |
b45f51d6 | 243 | break; |
1227625a | 244 | |
ddd2ef55 | 245 | case 'u': /* update dumpdates */ |
1227625a SP |
246 | uflag = 1; |
247 | break; | |
248 | ||
249 | case 'W': /* what to do */ | |
250 | case 'w': | |
251 | lastdump(ch); | |
b45f51d6 | 252 | exit(X_FINOK); /* do nothing else */ |
1227625a SP |
253 | |
254 | default: | |
255 | usage(); | |
256 | } | |
257 | argc -= optind; | |
258 | argv += optind; | |
259 | ||
260 | if (argc < 1) { | |
261 | (void)fprintf(stderr, "Must specify disk or filesystem\n"); | |
b45f51d6 | 262 | exit(X_STARTUP); |
1227625a SP |
263 | } |
264 | disk = *argv++; | |
265 | argc--; | |
266 | if (argc >= 1) { | |
267 | (void)fprintf(stderr, "Unknown arguments to dump:"); | |
268 | while (argc--) | |
269 | (void)fprintf(stderr, " %s", *argv++); | |
270 | (void)fprintf(stderr, "\n"); | |
b45f51d6 | 271 | exit(X_STARTUP); |
1227625a SP |
272 | } |
273 | if (Tflag && uflag) { | |
274 | (void)fprintf(stderr, | |
275 | "You cannot use the T and u flags together.\n"); | |
b45f51d6 | 276 | exit(X_STARTUP); |
1227625a SP |
277 | } |
278 | if (strcmp(tape, "-") == 0) { | |
279 | pipeout++; | |
280 | tape = "standard output"; | |
281 | } | |
282 | ||
283 | if (blocksperfile) | |
284 | blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ | |
b45f51d6 | 285 | else if (!unlimited) { |
1227625a SP |
286 | /* |
287 | * Determine how to default tape size and density | |
288 | * | |
289 | * density tape size | |
290 | * 9-track 1600 bpi (160 bytes/.1") 2300 ft. | |
291 | * 9-track 6250 bpi (625 bytes/.1") 2300 ft. | |
292 | * cartridge 8000 bpi (100 bytes/.1") 1700 ft. | |
293 | * (450*4 - slop) | |
b45f51d6 | 294 | * hilit19 hits again: " |
1227625a SP |
295 | */ |
296 | if (density == 0) | |
297 | density = cartridge ? 100 : 160; | |
298 | if (tsize == 0) | |
299 | tsize = cartridge ? 1700L*120L : 2300L*120L; | |
300 | } | |
301 | ||
302 | if (strchr(tape, ':')) { | |
303 | host = tape; | |
304 | tape = strchr(host, ':'); | |
305 | *tape++ = '\0'; | |
306 | #ifdef RDUMP | |
b45f51d6 SP |
307 | if (index(tape, '\n')) { |
308 | (void)fprintf(stderr, "invalid characters in tape\n"); | |
309 | exit(X_STARTUP); | |
310 | } | |
1227625a | 311 | if (rmthost(host) == 0) |
b45f51d6 | 312 | exit(X_STARTUP); |
1227625a SP |
313 | #else |
314 | (void)fprintf(stderr, "remote dump not enabled\n"); | |
b45f51d6 | 315 | exit(X_STARTUP); |
1227625a SP |
316 | #endif |
317 | } | |
318 | (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */ | |
319 | ||
320 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) | |
321 | signal(SIGHUP, sig); | |
322 | if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) | |
323 | signal(SIGTRAP, sig); | |
324 | if (signal(SIGFPE, SIG_IGN) != SIG_IGN) | |
325 | signal(SIGFPE, sig); | |
326 | if (signal(SIGBUS, SIG_IGN) != SIG_IGN) | |
327 | signal(SIGBUS, sig); | |
328 | if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) | |
329 | signal(SIGSEGV, sig); | |
330 | if (signal(SIGTERM, SIG_IGN) != SIG_IGN) | |
331 | signal(SIGTERM, sig); | |
332 | if (signal(SIGINT, interrupt) == SIG_IGN) | |
333 | signal(SIGINT, SIG_IGN); | |
1227625a SP |
334 | set_operators(); /* /etc/group snarfed */ |
335 | getfstab(); /* /etc/fstab snarfed */ | |
336 | /* | |
337 | * disk can be either the full special file name, | |
338 | * the suffix of the special file name, | |
339 | * the special name missing the leading '/', | |
340 | * the file system name with or without the leading '/'. | |
341 | */ | |
ddd2ef55 | 342 | if ((dt = fstabsearch(disk)) != NULL) { |
1227625a SP |
343 | disk = rawname(dt->fs_spec); |
344 | (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); | |
345 | (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); | |
346 | #ifdef __linux__ | |
347 | } else { | |
348 | /* | |
349 | * The argument was not found in the fstab | |
350 | * assume that this is a subtree and search for it | |
351 | */ | |
352 | #ifdef HAVE_REALPATH | |
353 | if (realpath(disk, pathname) == NULL) | |
354 | #endif | |
355 | strcpy(pathname, disk); | |
356 | dt = fstabsearchdir(pathname, directory); | |
357 | if (dt != NULL) { | |
358 | char name[MAXPATHLEN]; | |
359 | (void)sprintf(name, "%s (dir %s)", | |
360 | dt->fs_spec, directory); | |
361 | (void)strncpy(spcl.c_dev, name, NAMELEN); | |
362 | (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); | |
363 | disk = rawname(dt->fs_spec); | |
364 | } else { | |
365 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
366 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
367 | NAMELEN); | |
368 | } | |
369 | } | |
370 | #else | |
371 | } else { | |
372 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
373 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
374 | NAMELEN); | |
375 | } | |
376 | #endif | |
b45f51d6 SP |
377 | spcl.c_dev[NAMELEN-1]='\0'; |
378 | spcl.c_filesys[NAMELEN-1]='\0'; | |
379 | (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1); | |
1227625a SP |
380 | (void)gethostname(spcl.c_host, NAMELEN); |
381 | spcl.c_level = level - '0'; | |
382 | spcl.c_type = TS_TAPE; | |
383 | if (!Tflag) | |
8d4197bb SP |
384 | getdumptime(uflag); /* dumpdates snarfed */ |
385 | ||
386 | if (spcl.c_ddate == 0 && spcl.c_level) { | |
387 | msg("WARNING: There is no inferior level dump on this filesystem\n"); | |
388 | msg("WARNING: Assuming a level 0 dump by default\n"); | |
389 | level = '0'; | |
390 | spcl.c_level = 0; | |
391 | } | |
1227625a SP |
392 | |
393 | msg("Date of this level %c dump: %s", level, | |
8d4197bb | 394 | #ifdef __linux__ |
1227625a SP |
395 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); |
396 | #else | |
397 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); | |
398 | #endif | |
399 | msg("Date of last level %c dump: %s", lastlevel, | |
400 | #ifdef __linux__ | |
401 | spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate)); | |
402 | #else | |
403 | spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate)); | |
404 | #endif | |
405 | msg("Dumping %s ", disk); | |
406 | if (dt != NULL) | |
407 | msgtail("(%s) ", dt->fs_file); | |
408 | if (host) | |
409 | msgtail("to %s on host %s\n", tape, host); | |
410 | else | |
411 | msgtail("to %s\n", tape); | |
b45f51d6 | 412 | msg("Label: %s\n", labelstr); |
1227625a SP |
413 | |
414 | #ifdef __linux__ | |
415 | retval = ext2fs_open(disk, 0, 0, 0, unix_io_manager, &fs); | |
416 | if (retval) { | |
417 | com_err(disk, retval, "while opening filesystem"); | |
418 | if (retval == EXT2_ET_REV_TOO_HIGH) | |
419 | printf ("Get a newer version of dump!\n"); | |
b45f51d6 | 420 | exit(X_STARTUP); |
1227625a SP |
421 | } |
422 | if (fs->super->s_rev_level > DUMP_CURRENT_REV) { | |
423 | com_err(disk, retval, "while opening filesystem"); | |
424 | printf ("Get a newer version of dump!\n"); | |
b45f51d6 | 425 | exit(X_STARTUP); |
1227625a SP |
426 | } |
427 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
428 | msg("Cannot open %s\n", disk); | |
b45f51d6 | 429 | exit(X_STARTUP); |
1227625a SP |
430 | } |
431 | sync(); | |
432 | dev_bsize = DEV_BSIZE; | |
433 | dev_bshift = ffs(dev_bsize) - 1; | |
434 | if (dev_bsize != (1 << dev_bshift)) | |
435 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
436 | tp_bshift = ffs(TP_BSIZE) - 1; | |
437 | if (TP_BSIZE != (1 << tp_bshift)) | |
438 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
439 | maxino = fs->super->s_inodes_count; | |
440 | #if 0 | |
441 | spcl.c_flags |= DR_NEWINODEFMT; | |
442 | #endif | |
443 | #else /* __linux __*/ | |
444 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
445 | msg("Cannot open %s\n", disk); | |
b45f51d6 | 446 | exit(X_STARTUP); |
1227625a SP |
447 | } |
448 | sync(); | |
449 | sblock = (struct fs *)sblock_buf; | |
450 | bread(SBOFF, (char *) sblock, SBSIZE); | |
451 | if (sblock->fs_magic != FS_MAGIC) | |
452 | quit("bad sblock magic number\n"); | |
453 | dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); | |
454 | dev_bshift = ffs(dev_bsize) - 1; | |
455 | if (dev_bsize != (1 << dev_bshift)) | |
456 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
457 | tp_bshift = ffs(TP_BSIZE) - 1; | |
458 | if (TP_BSIZE != (1 << tp_bshift)) | |
459 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
1227625a SP |
460 | #ifdef FS_44INODEFMT |
461 | if (sblock->fs_inodefmt >= FS_44INODEFMT) | |
462 | spcl.c_flags |= DR_NEWINODEFMT; | |
463 | #endif | |
464 | maxino = sblock->fs_ipg * sblock->fs_ncg; | |
465 | #endif /* __linux__ */ | |
466 | mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); | |
467 | usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
468 | dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
469 | dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
470 | tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
471 | ||
472 | nonodump = spcl.c_level < honorlevel; | |
473 | ||
ddd2ef55 SP |
474 | #if defined(SIGINFO) |
475 | (void)signal(SIGINFO, statussig); | |
476 | #endif | |
477 | ||
1227625a SP |
478 | msg("mapping (Pass I) [regular files]\n"); |
479 | #ifdef __linux__ | |
480 | if (directory[0] == 0) | |
481 | anydirskipped = mapfiles(maxino, &tapesize); | |
482 | else | |
483 | anydirskipped = mapfilesfromdir(maxino, &tapesize, directory); | |
484 | #else | |
485 | anydirskipped = mapfiles(maxino, &tapesize); | |
486 | #endif | |
487 | ||
488 | msg("mapping (Pass II) [directories]\n"); | |
489 | while (anydirskipped) { | |
490 | anydirskipped = mapdirs(maxino, &tapesize); | |
491 | } | |
492 | ||
b45f51d6 | 493 | if (pipeout || unlimited) { |
1227625a SP |
494 | tapesize += 10; /* 10 trailer blocks */ |
495 | msg("estimated %ld tape blocks.\n", tapesize); | |
496 | } else { | |
497 | double fetapes; | |
498 | ||
499 | if (blocksperfile) | |
500 | fetapes = (double) tapesize / blocksperfile; | |
501 | else if (cartridge) { | |
502 | /* Estimate number of tapes, assuming streaming stops at | |
503 | the end of each block written, and not in mid-block. | |
504 | Assume no erroneous blocks; this can be compensated | |
505 | for with an artificially low tape size. */ | |
b45f51d6 SP |
506 | fetapes = |
507 | ( (double) tapesize /* blocks */ | |
1227625a | 508 | * TP_BSIZE /* bytes/block */ |
b45f51d6 | 509 | * (1.0/density) /* 0.1" / byte " */ |
1227625a | 510 | + |
b45f51d6 | 511 | (double) tapesize /* blocks */ |
1227625a | 512 | * (1.0/ntrec) /* streaming-stops per block */ |
b45f51d6 SP |
513 | * 15.48 /* 0.1" / streaming-stop " */ |
514 | ) * (1.0 / tsize ); /* tape / 0.1" " */ | |
1227625a SP |
515 | } else { |
516 | /* Estimate number of tapes, for old fashioned 9-track | |
517 | tape */ | |
518 | int tenthsperirg = (density == 625) ? 3 : 7; | |
519 | fetapes = | |
b45f51d6 | 520 | ( (double) tapesize /* blocks */ |
1227625a | 521 | * TP_BSIZE /* bytes / block */ |
b45f51d6 | 522 | * (1.0/density) /* 0.1" / byte " */ |
1227625a | 523 | + |
b45f51d6 | 524 | (double) tapesize /* blocks */ |
1227625a | 525 | * (1.0/ntrec) /* IRG's / block */ |
b45f51d6 SP |
526 | * tenthsperirg /* 0.1" / IRG " */ |
527 | ) * (1.0 / tsize ); /* tape / 0.1" " */ | |
1227625a SP |
528 | } |
529 | etapes = fetapes; /* truncating assignment */ | |
530 | etapes++; | |
531 | /* count the dumped inodes map on each additional tape */ | |
532 | tapesize += (etapes - 1) * | |
533 | (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
534 | tapesize += etapes + 10; /* headers + 10 trailer blks */ | |
535 | msg("estimated %ld tape blocks on %3.2f tape(s).\n", | |
536 | tapesize, fetapes); | |
537 | } | |
538 | ||
539 | /* | |
540 | * Allocate tape buffer. | |
541 | */ | |
542 | if (!alloctape()) | |
b45f51d6 SP |
543 | quit( |
544 | "can't allocate tape buffers - try a smaller blocking factor.\n"); | |
1227625a SP |
545 | |
546 | startnewtape(1); | |
8d4197bb SP |
547 | #ifdef __linux__ |
548 | (void)time4(&(tstart_writing)); | |
549 | #else | |
1227625a | 550 | (void)time((time_t *)&(tstart_writing)); |
8d4197bb | 551 | #endif |
1227625a SP |
552 | dumpmap(usedinomap, TS_CLRI, maxino - 1); |
553 | ||
554 | msg("dumping (Pass III) [directories]\n"); | |
555 | dirty = 0; /* XXX just to get gcc to shut up */ | |
556 | for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { | |
557 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ | |
558 | dirty = *map++; | |
559 | else | |
560 | dirty >>= 1; | |
561 | if ((dirty & 1) == 0) | |
562 | continue; | |
563 | /* | |
564 | * Skip directory inodes deleted and maybe reallocated | |
565 | */ | |
566 | dp = getino(ino); | |
567 | if ((dp->di_mode & IFMT) != IFDIR) | |
568 | continue; | |
569 | #ifdef __linux__ | |
570 | (void)dumpdirino(dp, ino); | |
571 | #else | |
572 | (void)dumpino(dp, ino); | |
573 | #endif | |
574 | } | |
575 | ||
576 | msg("dumping (Pass IV) [regular files]\n"); | |
577 | for (map = dumpinomap, ino = 1; ino < maxino; ino++) { | |
578 | int mode; | |
579 | ||
580 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ | |
581 | dirty = *map++; | |
582 | else | |
583 | dirty >>= 1; | |
584 | if ((dirty & 1) == 0) | |
585 | continue; | |
586 | /* | |
587 | * Skip inodes deleted and reallocated as directories. | |
588 | */ | |
589 | dp = getino(ino); | |
590 | mode = dp->di_mode & IFMT; | |
591 | if (mode == IFDIR) | |
592 | continue; | |
593 | (void)dumpino(dp, ino); | |
594 | } | |
595 | ||
8d4197bb SP |
596 | #ifdef __linux__ |
597 | (void)time4(&(tend_writing)); | |
598 | #else | |
1227625a | 599 | (void)time((time_t *)&(tend_writing)); |
8d4197bb | 600 | #endif |
1227625a SP |
601 | spcl.c_type = TS_END; |
602 | for (i = 0; i < ntrec; i++) | |
603 | writeheader(maxino - 1); | |
604 | if (pipeout) | |
b45f51d6 | 605 | msg("DUMP: %ld tape blocks\n", spcl.c_tapea); |
1227625a SP |
606 | else |
607 | msg("DUMP: %ld tape blocks on %d volumes(s)\n", | |
608 | spcl.c_tapea, spcl.c_volume); | |
b45f51d6 | 609 | |
1227625a SP |
610 | /* report dump performance, avoid division through zero */ |
611 | if (tend_writing - tstart_writing == 0) | |
612 | msg("finished in less than a second\n"); | |
613 | else | |
614 | msg("finished in %d seconds, throughput %d KBytes/sec\n", | |
615 | tend_writing - tstart_writing, | |
616 | spcl.c_tapea / (tend_writing - tstart_writing)); | |
b45f51d6 | 617 | |
ddd2ef55 | 618 | tnow = do_stats(); |
1227625a | 619 | putdumptime(); |
ddd2ef55 SP |
620 | #ifdef __linux__ |
621 | msg("DUMP: Date of this level %c dump: %s", level, | |
622 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); | |
623 | #else | |
624 | msg("DUMP: Date of this level %c dump: %s", level, | |
625 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); | |
626 | #endif | |
627 | msg("DUMP: Date this dump completed: %s", ctime(&tnow)); | |
628 | ||
629 | msg("DUMP: Average transfer rate: %ld KB/s\n", xferrate / tapeno); | |
630 | ||
1227625a SP |
631 | trewind(); |
632 | broadcast("DUMP IS DONE!\7\7\n"); | |
633 | msg("DUMP IS DONE\n"); | |
634 | Exit(X_FINOK); | |
635 | /* NOTREACHED */ | |
ddd2ef55 | 636 | return 0; /* gcc - shut up */ |
1227625a SP |
637 | } |
638 | ||
639 | static void | |
ddd2ef55 | 640 | usage(void) |
1227625a | 641 | { |
b45f51d6 | 642 | fprintf(stderr, |
ddd2ef55 | 643 | "usage: %s [-0123456789ac" |
b45f51d6 SP |
644 | #ifdef KERBEROS |
645 | "k" | |
646 | #endif | |
647 | "nu] [-B records] [-b blocksize] [-d density] [-f file]\n" | |
648 | " [-h level] [-s feet] [-T date] filesystem\n" | |
ddd2ef55 | 649 | " %s [-W | -w]\n", __progname, __progname); |
b45f51d6 | 650 | exit(X_STARTUP); |
1227625a SP |
651 | } |
652 | ||
653 | /* | |
654 | * Pick up a numeric argument. It must be nonnegative and in the given | |
655 | * range (except that a vmax of 0 means unlimited). | |
656 | */ | |
657 | static long | |
ddd2ef55 | 658 | numarg(const char *meaning, long vmin, long vmax) |
1227625a SP |
659 | { |
660 | char *p; | |
661 | long val; | |
662 | ||
663 | val = strtol(optarg, &p, 10); | |
664 | if (*p) | |
ddd2ef55 | 665 | errx(X_STARTUP, "illegal %s -- %s", meaning, optarg); |
1227625a | 666 | if (val < vmin || (vmax && val > vmax)) |
ddd2ef55 | 667 | errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax); |
1227625a SP |
668 | return (val); |
669 | } | |
670 | ||
671 | void | |
ddd2ef55 | 672 | sig(int signo) |
1227625a SP |
673 | { |
674 | switch(signo) { | |
675 | case SIGALRM: | |
676 | case SIGBUS: | |
677 | case SIGFPE: | |
678 | case SIGHUP: | |
679 | case SIGTERM: | |
680 | case SIGTRAP: | |
681 | if (pipeout) | |
682 | quit("Signal on pipe: cannot recover\n"); | |
683 | msg("Rewriting attempted as response to unknown signal.\n"); | |
684 | (void)fflush(stderr); | |
685 | (void)fflush(stdout); | |
686 | close_rewind(); | |
687 | exit(X_REWRITE); | |
688 | /* NOTREACHED */ | |
689 | case SIGSEGV: | |
690 | msg("SIGSEGV: ABORTING!\n"); | |
691 | (void)signal(SIGSEGV, SIG_DFL); | |
692 | (void)kill(0, SIGSEGV); | |
693 | /* NOTREACHED */ | |
694 | } | |
695 | } | |
696 | ||
697 | char * | |
ddd2ef55 | 698 | rawname(char *cp) |
1227625a SP |
699 | { |
700 | #ifdef __linux__ | |
701 | return cp; | |
702 | #else /* __linux__ */ | |
703 | static char rawbuf[MAXPATHLEN]; | |
704 | char *dp = strrchr(cp, '/'); | |
705 | ||
706 | if (dp == NULL) | |
707 | return (NULL); | |
708 | *dp = '\0'; | |
b45f51d6 SP |
709 | (void)strncpy(rawbuf, cp, MAXPATHLEN - 1); |
710 | rawbuf[MAXPATHLEN-1] = '\0'; | |
1227625a | 711 | *dp = '/'; |
b45f51d6 SP |
712 | (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf)); |
713 | (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf)); | |
1227625a SP |
714 | return (rawbuf); |
715 | #endif /* __linux__ */ | |
716 | } | |
717 | ||
718 | /* | |
719 | * obsolete -- | |
b45f51d6 SP |
720 | * Change set of key letters and ordered arguments into something |
721 | * getopt(3) will like. | |
1227625a SP |
722 | */ |
723 | static void | |
ddd2ef55 | 724 | obsolete(int *argcp, char **argvp[]) |
1227625a SP |
725 | { |
726 | int argc, flags; | |
b45f51d6 | 727 | char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL; |
1227625a SP |
728 | |
729 | /* Setup. */ | |
730 | argv = *argvp; | |
731 | argc = *argcp; | |
732 | ||
733 | /* Return if no arguments or first argument has leading dash. */ | |
734 | ap = argv[1]; | |
735 | if (argc == 1 || *ap == '-') | |
736 | return; | |
737 | ||
738 | /* Allocate space for new arguments. */ | |
739 | if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || | |
740 | (p = flagsp = malloc(strlen(ap) + 2)) == NULL) | |
ddd2ef55 | 741 | err(X_STARTUP, "malloc new args"); |
1227625a SP |
742 | |
743 | *nargv++ = *argv; | |
744 | argv += 2; | |
745 | ||
746 | for (flags = 0; *ap; ++ap) { | |
747 | switch (*ap) { | |
748 | case 'B': | |
749 | case 'b': | |
750 | case 'd': | |
751 | case 'f': | |
752 | case 'h': | |
753 | case 's': | |
754 | case 'T': | |
755 | if (*argv == NULL) { | |
b45f51d6 SP |
756 | warnx("option requires an argument -- %c", *ap); |
757 | usage(); | |
1227625a SP |
758 | } |
759 | if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) | |
ddd2ef55 | 760 | err(X_STARTUP, "malloc arg"); |
1227625a SP |
761 | nargv[0][0] = '-'; |
762 | nargv[0][1] = *ap; | |
763 | (void)strcpy(&nargv[0][2], *argv); | |
764 | ++argv; | |
765 | ++nargv; | |
766 | break; | |
767 | default: | |
768 | if (!flags) { | |
769 | *p++ = '-'; | |
770 | flags = 1; | |
771 | } | |
772 | *p++ = *ap; | |
773 | break; | |
774 | } | |
775 | } | |
776 | ||
777 | /* Terminate flags. */ | |
778 | if (flags) { | |
779 | *p = '\0'; | |
780 | *nargv++ = flagsp; | |
781 | } | |
782 | ||
783 | /* Copy remaining arguments. */ | |
b45f51d6 | 784 | while ((*nargv++ = *argv++)); |
1227625a SP |
785 | |
786 | /* Update argument count. */ | |
787 | *argcp = nargv - *argvp - 1; | |
788 | } |