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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 |
ebcbe7f6 | 5 | * Stelian Pop <pop@cybercable.fr>, 1999-2000 |
1227625a SP |
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 | ||
df9ae507 SP |
41 | #ifndef lint |
42 | static const char rcsid[] = | |
92a9bf12 | 43 | "$Id: main.c,v 1.17 2000/03/01 10:16:05 stelian Exp $"; |
df9ae507 SP |
44 | #endif /* not lint */ |
45 | ||
1227625a SP |
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> | |
ddd2ef55 | 67 | #include <compaterr.h> |
1227625a SP |
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 */ | |
b45f51d6 | 90 | int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */ |
1227625a SP |
91 | int ntrec = NTREC; /* # tape blocks in each tape record */ |
92 | int cartridge = 0; /* Assume non-cartridge tape */ | |
b45f51d6 | 93 | int dokerberos = 0; /* Use Kerberos authentication */ |
1227625a SP |
94 | long dev_bsize = 1; /* recalculated below */ |
95 | long blocksperfile; /* output blocks per file */ | |
96 | char *host = NULL; /* remote host (if any) */ | |
144a6db1 | 97 | int sizest = 0; /* return size estimate only */ |
1227625a SP |
98 | |
99 | #ifdef __linux__ | |
100 | char *__progname; | |
101 | #endif | |
102 | ||
ddd2ef55 SP |
103 | int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */ |
104 | static long numarg __P((const char *, long, long)); | |
1227625a SP |
105 | static void obsolete __P((int *, char **[])); |
106 | static void usage __P((void)); | |
107 | ||
20c345aa SP |
108 | ino_t iexclude_list[IEXCLUDE_MAXNUM]; /* the inode exclude list */ |
109 | int iexclude_num = 0; /* number of elements in the list */ | |
110 | ||
1227625a | 111 | int |
ddd2ef55 | 112 | main(int argc, char *argv[]) |
1227625a SP |
113 | { |
114 | register ino_t ino; | |
b45f51d6 | 115 | register int dirty; |
1227625a SP |
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; | |
92a9bf12 SP |
124 | char directory[MAXPATHLEN]; |
125 | char pathname[MAXPATHLEN]; | |
1227625a | 126 | #endif |
ddd2ef55 | 127 | time_t tnow; |
b45f51d6 | 128 | char labelstr[LBLSIZE]; |
1227625a SP |
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 */ | |
d1c73b9a SP |
144 | if ((tapeprefix = getenv("TAPE")) == NULL) |
145 | tapeprefix = _PATH_DEFTAPE; | |
1227625a | 146 | dumpdates = _PATH_DUMPDATES; |
b45f51d6 | 147 | strcpy(labelstr, "none"); /* XXX safe strcpy. */ |
1227625a SP |
148 | if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) |
149 | quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); | |
150 | level = '0'; | |
b45f51d6 | 151 | |
1227625a SP |
152 | if (argc < 2) |
153 | usage(); | |
154 | ||
155 | obsolete(&argc, &argv); | |
b45f51d6 | 156 | #ifdef KERBEROS |
20c345aa | 157 | #define optstring "0123456789aB:b:cd:e:f:h:kL:Mns:ST:uWw" |
b45f51d6 | 158 | #else |
20c345aa | 159 | #define optstring "0123456789aB:b:cd:e:f:h:L:Mns:ST:uWw" |
b45f51d6 SP |
160 | #endif |
161 | while ((ch = getopt(argc, argv, optstring)) != -1) | |
162 | #undef optstring | |
163 | switch (ch) { | |
1227625a SP |
164 | /* dump level */ |
165 | case '0': case '1': case '2': case '3': case '4': | |
166 | case '5': case '6': case '7': case '8': case '9': | |
167 | level = ch; | |
168 | break; | |
169 | ||
b45f51d6 SP |
170 | case 'a': /* `auto-size', Write to EOM. */ |
171 | unlimited = 1; | |
172 | break; | |
173 | ||
1227625a | 174 | case 'B': /* blocks per output file */ |
b45f51d6 SP |
175 | blocksperfile = numarg("number of blocks per file", |
176 | 1L, 0L); | |
1227625a SP |
177 | break; |
178 | ||
179 | case 'b': /* blocks per tape write */ | |
b45f51d6 SP |
180 | ntrec = numarg("number of blocks per write", |
181 | 1L, 1000L); | |
ddd2ef55 SP |
182 | if (ntrec > maxbsize/1024) { |
183 | msg("Please choose a blocksize <= %dKB\n", | |
184 | maxbsize/1024); | |
185 | exit(X_STARTUP); | |
186 | } | |
187 | bflag = 1; | |
1227625a SP |
188 | break; |
189 | ||
190 | case 'c': /* Tape is cart. not 9-track */ | |
191 | cartridge = 1; | |
192 | break; | |
193 | ||
194 | case 'd': /* density, in bits per inch */ | |
195 | density = numarg("density", 10L, 327670L) / 10; | |
196 | if (density >= 625 && !bflag) | |
197 | ntrec = HIGHDENSITYTREC; | |
198 | break; | |
20c345aa SP |
199 | |
200 | /* 04-Feb-00 ILC */ | |
201 | case 'e': /* exclude an inode */ | |
202 | iexclude_list[iexclude_num++] = | |
203 | numarg("inode to exclude",0L,0L); | |
204 | msg("Added %d to exclude list\n", | |
205 | iexclude_list[iexclude_num-1]); | |
206 | break; | |
1227625a SP |
207 | |
208 | case 'f': /* output file */ | |
d1c73b9a | 209 | tapeprefix = optarg; |
1227625a SP |
210 | break; |
211 | ||
212 | case 'h': | |
213 | honorlevel = numarg("honor level", 0L, 10L); | |
214 | break; | |
215 | ||
b45f51d6 SP |
216 | #ifdef KERBEROS |
217 | case 'k': | |
218 | dokerberos = 1; | |
219 | break; | |
220 | #endif | |
221 | ||
222 | case 'L': | |
223 | /* | |
224 | * Note that although there are LBLSIZE characters, | |
225 | * the last must be '\0', so the limit on strlen() | |
226 | * is really LBLSIZE-1. | |
227 | */ | |
228 | strncpy(labelstr, optarg, LBLSIZE); | |
229 | labelstr[LBLSIZE-1] = '\0'; | |
230 | if (strlen(optarg) > LBLSIZE-1) { | |
231 | msg( | |
232 | "WARNING Label `%s' is larger than limit of %d characters.\n", | |
233 | optarg, LBLSIZE-1); | |
234 | msg("WARNING: Using truncated label `%s'.\n", | |
235 | labelstr); | |
236 | } | |
237 | break; | |
238 | ||
d1c73b9a SP |
239 | case 'M': /* multi-volume flag */ |
240 | Mflag = 1; | |
241 | break; | |
242 | ||
1227625a SP |
243 | case 'n': /* notify operators */ |
244 | notify = 1; | |
245 | break; | |
246 | ||
247 | case 's': /* tape size, feet */ | |
248 | tsize = numarg("tape size", 1L, 0L) * 12 * 10; | |
249 | break; | |
250 | ||
144a6db1 SP |
251 | case 'S': |
252 | sizest = 1; /* return size estimate only */ | |
253 | break; | |
254 | ||
1227625a SP |
255 | case 'T': /* time of last dump */ |
256 | spcl.c_ddate = unctime(optarg); | |
257 | if (spcl.c_ddate < 0) { | |
258 | (void)fprintf(stderr, "bad time \"%s\"\n", | |
259 | optarg); | |
b45f51d6 | 260 | exit(X_STARTUP); |
1227625a SP |
261 | } |
262 | Tflag = 1; | |
263 | lastlevel = '?'; | |
b45f51d6 | 264 | break; |
1227625a | 265 | |
ddd2ef55 | 266 | case 'u': /* update dumpdates */ |
1227625a SP |
267 | uflag = 1; |
268 | break; | |
269 | ||
270 | case 'W': /* what to do */ | |
271 | case 'w': | |
272 | lastdump(ch); | |
b45f51d6 | 273 | exit(X_FINOK); /* do nothing else */ |
1227625a SP |
274 | |
275 | default: | |
276 | usage(); | |
277 | } | |
278 | argc -= optind; | |
279 | argv += optind; | |
280 | ||
281 | if (argc < 1) { | |
282 | (void)fprintf(stderr, "Must specify disk or filesystem\n"); | |
b45f51d6 | 283 | exit(X_STARTUP); |
1227625a SP |
284 | } |
285 | disk = *argv++; | |
92a9bf12 SP |
286 | if (strlen(disk) > MAXPATHLEN) { |
287 | (void)fprintf(stderr, "Disk or filesystem name too long: %s\n", disk); | |
288 | exit(X_STARTUP); | |
289 | } | |
1227625a SP |
290 | argc--; |
291 | if (argc >= 1) { | |
292 | (void)fprintf(stderr, "Unknown arguments to dump:"); | |
293 | while (argc--) | |
294 | (void)fprintf(stderr, " %s", *argv++); | |
295 | (void)fprintf(stderr, "\n"); | |
b45f51d6 | 296 | exit(X_STARTUP); |
1227625a SP |
297 | } |
298 | if (Tflag && uflag) { | |
299 | (void)fprintf(stderr, | |
300 | "You cannot use the T and u flags together.\n"); | |
b45f51d6 | 301 | exit(X_STARTUP); |
1227625a | 302 | } |
d1c73b9a | 303 | if (strcmp(tapeprefix, "-") == 0) { |
1227625a | 304 | pipeout++; |
d1c73b9a | 305 | tapeprefix = "standard output"; |
1227625a SP |
306 | } |
307 | ||
308 | if (blocksperfile) | |
309 | blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ | |
b45f51d6 | 310 | else if (!unlimited) { |
1227625a SP |
311 | /* |
312 | * Determine how to default tape size and density | |
313 | * | |
314 | * density tape size | |
315 | * 9-track 1600 bpi (160 bytes/.1") 2300 ft. | |
316 | * 9-track 6250 bpi (625 bytes/.1") 2300 ft. | |
317 | * cartridge 8000 bpi (100 bytes/.1") 1700 ft. | |
318 | * (450*4 - slop) | |
b45f51d6 | 319 | * hilit19 hits again: " |
1227625a SP |
320 | */ |
321 | if (density == 0) | |
322 | density = cartridge ? 100 : 160; | |
323 | if (tsize == 0) | |
324 | tsize = cartridge ? 1700L*120L : 2300L*120L; | |
325 | } | |
326 | ||
d1c73b9a SP |
327 | if (strchr(tapeprefix, ':')) { |
328 | host = tapeprefix; | |
329 | tapeprefix = strchr(host, ':'); | |
330 | *tapeprefix++ = '\0'; | |
1227625a | 331 | #ifdef RDUMP |
d1c73b9a | 332 | if (index(tapeprefix, '\n')) { |
b45f51d6 SP |
333 | (void)fprintf(stderr, "invalid characters in tape\n"); |
334 | exit(X_STARTUP); | |
335 | } | |
1227625a | 336 | if (rmthost(host) == 0) |
b45f51d6 | 337 | exit(X_STARTUP); |
1227625a SP |
338 | #else |
339 | (void)fprintf(stderr, "remote dump not enabled\n"); | |
b45f51d6 | 340 | exit(X_STARTUP); |
1227625a SP |
341 | #endif |
342 | } | |
343 | (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */ | |
344 | ||
345 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) | |
346 | signal(SIGHUP, sig); | |
347 | if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) | |
348 | signal(SIGTRAP, sig); | |
349 | if (signal(SIGFPE, SIG_IGN) != SIG_IGN) | |
350 | signal(SIGFPE, sig); | |
351 | if (signal(SIGBUS, SIG_IGN) != SIG_IGN) | |
352 | signal(SIGBUS, sig); | |
353 | if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) | |
354 | signal(SIGSEGV, sig); | |
355 | if (signal(SIGTERM, SIG_IGN) != SIG_IGN) | |
356 | signal(SIGTERM, sig); | |
357 | if (signal(SIGINT, interrupt) == SIG_IGN) | |
358 | signal(SIGINT, SIG_IGN); | |
1227625a SP |
359 | set_operators(); /* /etc/group snarfed */ |
360 | getfstab(); /* /etc/fstab snarfed */ | |
a2c9bd28 SP |
361 | /* |
362 | * disk may end in / and this can confuse | |
363 | * fstabsearch. | |
364 | */ | |
365 | if (strlen(disk) > 1 && disk[strlen(disk) - 1] == '/') | |
366 | disk[strlen(disk) - 1] = '\0'; | |
1227625a SP |
367 | /* |
368 | * disk can be either the full special file name, | |
369 | * the suffix of the special file name, | |
370 | * the special name missing the leading '/', | |
371 | * the file system name with or without the leading '/'. | |
372 | */ | |
ddd2ef55 | 373 | if ((dt = fstabsearch(disk)) != NULL) { |
1227625a SP |
374 | disk = rawname(dt->fs_spec); |
375 | (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); | |
376 | (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); | |
377 | #ifdef __linux__ | |
378 | } else { | |
379 | /* | |
380 | * The argument was not found in the fstab | |
381 | * assume that this is a subtree and search for it | |
382 | */ | |
383 | #ifdef HAVE_REALPATH | |
384 | if (realpath(disk, pathname) == NULL) | |
385 | #endif | |
386 | strcpy(pathname, disk); | |
387 | dt = fstabsearchdir(pathname, directory); | |
388 | if (dt != NULL) { | |
389 | char name[MAXPATHLEN]; | |
a2c9bd28 | 390 | (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); |
1227625a | 391 | (void)sprintf(name, "%s (dir %s)", |
a2c9bd28 SP |
392 | dt->fs_file, directory); |
393 | (void)strncpy(spcl.c_filesys, name, NAMELEN); | |
1227625a SP |
394 | disk = rawname(dt->fs_spec); |
395 | } else { | |
396 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
397 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
398 | NAMELEN); | |
399 | } | |
400 | } | |
401 | #else | |
402 | } else { | |
403 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
404 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
405 | NAMELEN); | |
406 | } | |
407 | #endif | |
b45f51d6 SP |
408 | spcl.c_dev[NAMELEN-1]='\0'; |
409 | spcl.c_filesys[NAMELEN-1]='\0'; | |
410 | (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1); | |
1227625a SP |
411 | (void)gethostname(spcl.c_host, NAMELEN); |
412 | spcl.c_level = level - '0'; | |
413 | spcl.c_type = TS_TAPE; | |
414 | if (!Tflag) | |
8d4197bb SP |
415 | getdumptime(uflag); /* dumpdates snarfed */ |
416 | ||
417 | if (spcl.c_ddate == 0 && spcl.c_level) { | |
418 | msg("WARNING: There is no inferior level dump on this filesystem\n"); | |
419 | msg("WARNING: Assuming a level 0 dump by default\n"); | |
420 | level = '0'; | |
421 | spcl.c_level = 0; | |
422 | } | |
1227625a | 423 | |
d1c73b9a | 424 | if (Mflag) |
92a9bf12 | 425 | snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1); |
d1c73b9a | 426 | else |
92a9bf12 SP |
427 | strncpy(tape, tapeprefix, MAXPATHLEN); |
428 | tape[MAXPATHLEN - 1] = '\0'; | |
d1c73b9a | 429 | |
144a6db1 SP |
430 | if (!sizest) { |
431 | ||
432 | msg("Date of this level %c dump: %s", level, | |
8d4197bb | 433 | #ifdef __linux__ |
144a6db1 | 434 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); |
1227625a | 435 | #else |
144a6db1 | 436 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); |
1227625a | 437 | #endif |
144a6db1 | 438 | msg("Date of last level %c dump: %s", lastlevel, |
1227625a | 439 | #ifdef __linux__ |
144a6db1 | 440 | spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate)); |
1227625a | 441 | #else |
144a6db1 | 442 | spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate)); |
1227625a | 443 | #endif |
a2c9bd28 | 444 | msg("Dumping %s (%s) ", disk, spcl.c_filesys); |
144a6db1 SP |
445 | if (host) |
446 | msgtail("to %s on host %s\n", tape, host); | |
447 | else | |
448 | msgtail("to %s\n", tape); | |
449 | msg("Label: %s\n", labelstr); | |
450 | ||
451 | } /* end of size estimate */ | |
1227625a SP |
452 | |
453 | #ifdef __linux__ | |
c930abff | 454 | retval = dump_fs_open(disk, &fs); |
1227625a SP |
455 | if (retval) { |
456 | com_err(disk, retval, "while opening filesystem"); | |
457 | if (retval == EXT2_ET_REV_TOO_HIGH) | |
458 | printf ("Get a newer version of dump!\n"); | |
b45f51d6 | 459 | exit(X_STARTUP); |
1227625a SP |
460 | } |
461 | if (fs->super->s_rev_level > DUMP_CURRENT_REV) { | |
462 | com_err(disk, retval, "while opening filesystem"); | |
463 | printf ("Get a newer version of dump!\n"); | |
b45f51d6 | 464 | exit(X_STARTUP); |
1227625a SP |
465 | } |
466 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
467 | msg("Cannot open %s\n", disk); | |
b45f51d6 | 468 | exit(X_STARTUP); |
1227625a SP |
469 | } |
470 | sync(); | |
471 | dev_bsize = DEV_BSIZE; | |
472 | dev_bshift = ffs(dev_bsize) - 1; | |
473 | if (dev_bsize != (1 << dev_bshift)) | |
474 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
475 | tp_bshift = ffs(TP_BSIZE) - 1; | |
476 | if (TP_BSIZE != (1 << tp_bshift)) | |
477 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
478 | maxino = fs->super->s_inodes_count; | |
479 | #if 0 | |
480 | spcl.c_flags |= DR_NEWINODEFMT; | |
481 | #endif | |
482 | #else /* __linux __*/ | |
483 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
484 | msg("Cannot open %s\n", disk); | |
b45f51d6 | 485 | exit(X_STARTUP); |
1227625a SP |
486 | } |
487 | sync(); | |
488 | sblock = (struct fs *)sblock_buf; | |
489 | bread(SBOFF, (char *) sblock, SBSIZE); | |
490 | if (sblock->fs_magic != FS_MAGIC) | |
491 | quit("bad sblock magic number\n"); | |
492 | dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); | |
493 | dev_bshift = ffs(dev_bsize) - 1; | |
494 | if (dev_bsize != (1 << dev_bshift)) | |
495 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
496 | tp_bshift = ffs(TP_BSIZE) - 1; | |
497 | if (TP_BSIZE != (1 << tp_bshift)) | |
498 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
1227625a SP |
499 | #ifdef FS_44INODEFMT |
500 | if (sblock->fs_inodefmt >= FS_44INODEFMT) | |
501 | spcl.c_flags |= DR_NEWINODEFMT; | |
502 | #endif | |
503 | maxino = sblock->fs_ipg * sblock->fs_ncg; | |
504 | #endif /* __linux__ */ | |
505 | mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); | |
506 | usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
507 | dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
508 | dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
509 | tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
510 | ||
511 | nonodump = spcl.c_level < honorlevel; | |
512 | ||
ddd2ef55 SP |
513 | #if defined(SIGINFO) |
514 | (void)signal(SIGINFO, statussig); | |
515 | #endif | |
516 | ||
144a6db1 SP |
517 | if (!sizest) |
518 | msg("mapping (Pass I) [regular files]\n"); | |
1227625a SP |
519 | #ifdef __linux__ |
520 | if (directory[0] == 0) | |
521 | anydirskipped = mapfiles(maxino, &tapesize); | |
522 | else | |
523 | anydirskipped = mapfilesfromdir(maxino, &tapesize, directory); | |
524 | #else | |
525 | anydirskipped = mapfiles(maxino, &tapesize); | |
526 | #endif | |
527 | ||
144a6db1 SP |
528 | if (!sizest) |
529 | msg("mapping (Pass II) [directories]\n"); | |
1227625a SP |
530 | while (anydirskipped) { |
531 | anydirskipped = mapdirs(maxino, &tapesize); | |
532 | } | |
533 | ||
144a6db1 | 534 | if (sizest) { |
2e682895 | 535 | printf("%.0f\n", ((double)tapesize + 10) * TP_BSIZE); |
a29c23cc | 536 | exit(X_FINOK); |
144a6db1 SP |
537 | } /* stop here for size estimate */ |
538 | ||
b45f51d6 | 539 | if (pipeout || unlimited) { |
1227625a SP |
540 | tapesize += 10; /* 10 trailer blocks */ |
541 | msg("estimated %ld tape blocks.\n", tapesize); | |
542 | } else { | |
543 | double fetapes; | |
544 | ||
545 | if (blocksperfile) | |
546 | fetapes = (double) tapesize / blocksperfile; | |
547 | else if (cartridge) { | |
548 | /* Estimate number of tapes, assuming streaming stops at | |
549 | the end of each block written, and not in mid-block. | |
550 | Assume no erroneous blocks; this can be compensated | |
551 | for with an artificially low tape size. */ | |
b45f51d6 SP |
552 | fetapes = |
553 | ( (double) tapesize /* blocks */ | |
1227625a | 554 | * TP_BSIZE /* bytes/block */ |
b45f51d6 | 555 | * (1.0/density) /* 0.1" / byte " */ |
1227625a | 556 | + |
b45f51d6 | 557 | (double) tapesize /* blocks */ |
1227625a | 558 | * (1.0/ntrec) /* streaming-stops per block */ |
b45f51d6 SP |
559 | * 15.48 /* 0.1" / streaming-stop " */ |
560 | ) * (1.0 / tsize ); /* tape / 0.1" " */ | |
1227625a SP |
561 | } else { |
562 | /* Estimate number of tapes, for old fashioned 9-track | |
563 | tape */ | |
564 | int tenthsperirg = (density == 625) ? 3 : 7; | |
565 | fetapes = | |
b45f51d6 | 566 | ( (double) tapesize /* blocks */ |
1227625a | 567 | * TP_BSIZE /* bytes / block */ |
b45f51d6 | 568 | * (1.0/density) /* 0.1" / byte " */ |
1227625a | 569 | + |
b45f51d6 | 570 | (double) tapesize /* blocks */ |
1227625a | 571 | * (1.0/ntrec) /* IRG's / block */ |
b45f51d6 SP |
572 | * tenthsperirg /* 0.1" / IRG " */ |
573 | ) * (1.0 / tsize ); /* tape / 0.1" " */ | |
1227625a SP |
574 | } |
575 | etapes = fetapes; /* truncating assignment */ | |
576 | etapes++; | |
577 | /* count the dumped inodes map on each additional tape */ | |
578 | tapesize += (etapes - 1) * | |
579 | (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
580 | tapesize += etapes + 10; /* headers + 10 trailer blks */ | |
581 | msg("estimated %ld tape blocks on %3.2f tape(s).\n", | |
582 | tapesize, fetapes); | |
583 | } | |
584 | ||
585 | /* | |
586 | * Allocate tape buffer. | |
587 | */ | |
588 | if (!alloctape()) | |
b45f51d6 SP |
589 | quit( |
590 | "can't allocate tape buffers - try a smaller blocking factor.\n"); | |
1227625a SP |
591 | |
592 | startnewtape(1); | |
8d4197bb SP |
593 | #ifdef __linux__ |
594 | (void)time4(&(tstart_writing)); | |
595 | #else | |
1227625a | 596 | (void)time((time_t *)&(tstart_writing)); |
8d4197bb | 597 | #endif |
1227625a SP |
598 | dumpmap(usedinomap, TS_CLRI, maxino - 1); |
599 | ||
600 | msg("dumping (Pass III) [directories]\n"); | |
601 | dirty = 0; /* XXX just to get gcc to shut up */ | |
602 | for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { | |
603 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ | |
604 | dirty = *map++; | |
605 | else | |
606 | dirty >>= 1; | |
607 | if ((dirty & 1) == 0) | |
608 | continue; | |
609 | /* | |
610 | * Skip directory inodes deleted and maybe reallocated | |
611 | */ | |
612 | dp = getino(ino); | |
613 | if ((dp->di_mode & IFMT) != IFDIR) | |
614 | continue; | |
615 | #ifdef __linux__ | |
d6f78b13 SP |
616 | /* |
617 | * Skip directory inodes deleted and not yes reallocated... | |
618 | */ | |
619 | if (dp->di_nlink == 0 || dp->di_dtime != 0) | |
620 | continue; | |
1227625a SP |
621 | (void)dumpdirino(dp, ino); |
622 | #else | |
623 | (void)dumpino(dp, ino); | |
624 | #endif | |
625 | } | |
626 | ||
627 | msg("dumping (Pass IV) [regular files]\n"); | |
628 | for (map = dumpinomap, ino = 1; ino < maxino; ino++) { | |
1227625a SP |
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 inodes deleted and reallocated as directories. | |
637 | */ | |
638 | dp = getino(ino); | |
d6f78b13 | 639 | if ((dp->di_mode & IFMT) == IFDIR) |
1227625a | 640 | continue; |
d6f78b13 SP |
641 | #ifdef __linux__ |
642 | /* | |
643 | * No need to check here for deleted and not yes reallocated inodes | |
644 | * since this is done in dumpino(). | |
645 | */ | |
646 | #endif | |
1227625a SP |
647 | (void)dumpino(dp, ino); |
648 | } | |
649 | ||
8d4197bb SP |
650 | #ifdef __linux__ |
651 | (void)time4(&(tend_writing)); | |
652 | #else | |
1227625a | 653 | (void)time((time_t *)&(tend_writing)); |
8d4197bb | 654 | #endif |
1227625a SP |
655 | spcl.c_type = TS_END; |
656 | for (i = 0; i < ntrec; i++) | |
657 | writeheader(maxino - 1); | |
658 | if (pipeout) | |
b45f51d6 | 659 | msg("DUMP: %ld tape blocks\n", spcl.c_tapea); |
1227625a SP |
660 | else |
661 | msg("DUMP: %ld tape blocks on %d volumes(s)\n", | |
662 | spcl.c_tapea, spcl.c_volume); | |
b45f51d6 | 663 | |
1227625a SP |
664 | /* report dump performance, avoid division through zero */ |
665 | if (tend_writing - tstart_writing == 0) | |
666 | msg("finished in less than a second\n"); | |
667 | else | |
668 | msg("finished in %d seconds, throughput %d KBytes/sec\n", | |
669 | tend_writing - tstart_writing, | |
670 | spcl.c_tapea / (tend_writing - tstart_writing)); | |
b45f51d6 | 671 | |
ddd2ef55 | 672 | tnow = do_stats(); |
1227625a | 673 | putdumptime(); |
ddd2ef55 SP |
674 | #ifdef __linux__ |
675 | msg("DUMP: Date of this level %c dump: %s", level, | |
676 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); | |
677 | #else | |
678 | msg("DUMP: Date of this level %c dump: %s", level, | |
679 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); | |
680 | #endif | |
681 | msg("DUMP: Date this dump completed: %s", ctime(&tnow)); | |
682 | ||
683 | msg("DUMP: Average transfer rate: %ld KB/s\n", xferrate / tapeno); | |
684 | ||
1227625a SP |
685 | trewind(); |
686 | broadcast("DUMP IS DONE!\7\7\n"); | |
687 | msg("DUMP IS DONE\n"); | |
688 | Exit(X_FINOK); | |
689 | /* NOTREACHED */ | |
ddd2ef55 | 690 | return 0; /* gcc - shut up */ |
1227625a SP |
691 | } |
692 | ||
693 | static void | |
ddd2ef55 | 694 | usage(void) |
1227625a | 695 | { |
df9ae507 SP |
696 | char white[MAXPATHLEN]; |
697 | int i; | |
698 | ||
699 | strncpy(white, __progname, MAXPATHLEN-1); | |
700 | white[MAXPATHLEN-1] = '\0'; | |
701 | for (i=0; i<MAXPATHLEN; ++i) | |
702 | if (white[i] != '\0') white[i] = ' '; | |
703 | ||
704 | fprintf(stderr, | |
705 | "%s %s\n", __progname, _DUMP_VERSION); | |
b45f51d6 | 706 | fprintf(stderr, |
df9ae507 | 707 | "usage:\t%s [-0123456789ac" |
b45f51d6 SP |
708 | #ifdef KERBEROS |
709 | "k" | |
710 | #endif | |
144a6db1 | 711 | "MnSu] [-B records] [-b blocksize] [-d density]\n" |
20c345aa | 712 | "\t%s [-e inode#] [-f file] [-h level] [-s feet] [-T date] filesystem\n" |
df9ae507 | 713 | "\t%s [-W | -w]\n", __progname, white, __progname); |
b45f51d6 | 714 | exit(X_STARTUP); |
1227625a SP |
715 | } |
716 | ||
717 | /* | |
718 | * Pick up a numeric argument. It must be nonnegative and in the given | |
719 | * range (except that a vmax of 0 means unlimited). | |
720 | */ | |
721 | static long | |
ddd2ef55 | 722 | numarg(const char *meaning, long vmin, long vmax) |
1227625a SP |
723 | { |
724 | char *p; | |
725 | long val; | |
726 | ||
727 | val = strtol(optarg, &p, 10); | |
728 | if (*p) | |
ddd2ef55 | 729 | errx(X_STARTUP, "illegal %s -- %s", meaning, optarg); |
1227625a | 730 | if (val < vmin || (vmax && val > vmax)) |
ddd2ef55 | 731 | errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax); |
1227625a SP |
732 | return (val); |
733 | } | |
734 | ||
735 | void | |
ddd2ef55 | 736 | sig(int signo) |
1227625a SP |
737 | { |
738 | switch(signo) { | |
739 | case SIGALRM: | |
740 | case SIGBUS: | |
741 | case SIGFPE: | |
742 | case SIGHUP: | |
743 | case SIGTERM: | |
744 | case SIGTRAP: | |
745 | if (pipeout) | |
746 | quit("Signal on pipe: cannot recover\n"); | |
747 | msg("Rewriting attempted as response to unknown signal.\n"); | |
748 | (void)fflush(stderr); | |
749 | (void)fflush(stdout); | |
750 | close_rewind(); | |
751 | exit(X_REWRITE); | |
752 | /* NOTREACHED */ | |
753 | case SIGSEGV: | |
754 | msg("SIGSEGV: ABORTING!\n"); | |
755 | (void)signal(SIGSEGV, SIG_DFL); | |
756 | (void)kill(0, SIGSEGV); | |
757 | /* NOTREACHED */ | |
758 | } | |
759 | } | |
760 | ||
761 | char * | |
ddd2ef55 | 762 | rawname(char *cp) |
1227625a SP |
763 | { |
764 | #ifdef __linux__ | |
765 | return cp; | |
766 | #else /* __linux__ */ | |
767 | static char rawbuf[MAXPATHLEN]; | |
768 | char *dp = strrchr(cp, '/'); | |
769 | ||
770 | if (dp == NULL) | |
771 | return (NULL); | |
772 | *dp = '\0'; | |
b45f51d6 SP |
773 | (void)strncpy(rawbuf, cp, MAXPATHLEN - 1); |
774 | rawbuf[MAXPATHLEN-1] = '\0'; | |
1227625a | 775 | *dp = '/'; |
b45f51d6 SP |
776 | (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf)); |
777 | (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf)); | |
1227625a SP |
778 | return (rawbuf); |
779 | #endif /* __linux__ */ | |
780 | } | |
781 | ||
782 | /* | |
783 | * obsolete -- | |
b45f51d6 SP |
784 | * Change set of key letters and ordered arguments into something |
785 | * getopt(3) will like. | |
1227625a SP |
786 | */ |
787 | static void | |
ddd2ef55 | 788 | obsolete(int *argcp, char **argvp[]) |
1227625a SP |
789 | { |
790 | int argc, flags; | |
b45f51d6 | 791 | char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL; |
1227625a SP |
792 | |
793 | /* Setup. */ | |
794 | argv = *argvp; | |
795 | argc = *argcp; | |
796 | ||
797 | /* Return if no arguments or first argument has leading dash. */ | |
798 | ap = argv[1]; | |
799 | if (argc == 1 || *ap == '-') | |
800 | return; | |
801 | ||
802 | /* Allocate space for new arguments. */ | |
803 | if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || | |
804 | (p = flagsp = malloc(strlen(ap) + 2)) == NULL) | |
ddd2ef55 | 805 | err(X_STARTUP, "malloc new args"); |
1227625a SP |
806 | |
807 | *nargv++ = *argv; | |
808 | argv += 2; | |
809 | ||
810 | for (flags = 0; *ap; ++ap) { | |
811 | switch (*ap) { | |
812 | case 'B': | |
813 | case 'b': | |
814 | case 'd': | |
815 | case 'f': | |
816 | case 'h': | |
817 | case 's': | |
818 | case 'T': | |
819 | if (*argv == NULL) { | |
b45f51d6 SP |
820 | warnx("option requires an argument -- %c", *ap); |
821 | usage(); | |
1227625a SP |
822 | } |
823 | if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) | |
ddd2ef55 | 824 | err(X_STARTUP, "malloc arg"); |
1227625a SP |
825 | nargv[0][0] = '-'; |
826 | nargv[0][1] = *ap; | |
827 | (void)strcpy(&nargv[0][2], *argv); | |
828 | ++argv; | |
829 | ++nargv; | |
830 | break; | |
831 | default: | |
832 | if (!flags) { | |
833 | *p++ = '-'; | |
834 | flags = 1; | |
835 | } | |
836 | *p++ = *ap; | |
837 | break; | |
838 | } | |
839 | } | |
840 | ||
841 | /* Terminate flags. */ | |
842 | if (flags) { | |
843 | *p = '\0'; | |
844 | *nargv++ = flagsp; | |
845 | } | |
846 | ||
847 | /* Copy remaining arguments. */ | |
b45f51d6 | 848 | while ((*nargv++ = *argv++)); |
1227625a SP |
849 | |
850 | /* Update argument count. */ | |
851 | *argcp = nargv - *argvp - 1; | |
852 | } |