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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 |
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[] = | |
aec13b2a | 43 | "$Id: main.c,v 1.25 2000/09/01 14:40:27 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" | |
8954518f | 82 | #include "bylabel.h" |
1227625a SP |
83 | |
84 | #ifndef SBOFF | |
85 | #define SBOFF (SBLOCK * DEV_BSIZE) | |
86 | #endif | |
87 | ||
88 | int notify = 0; /* notify operator flag */ | |
89 | int blockswritten = 0; /* number of blocks written on current tape */ | |
90 | int tapeno = 0; /* current tape number */ | |
b45f51d6 | 91 | int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */ |
1227625a SP |
92 | int ntrec = NTREC; /* # tape blocks in each tape record */ |
93 | int cartridge = 0; /* Assume non-cartridge tape */ | |
b45f51d6 | 94 | int dokerberos = 0; /* Use Kerberos authentication */ |
1227625a SP |
95 | long dev_bsize = 1; /* recalculated below */ |
96 | long blocksperfile; /* output blocks per file */ | |
97 | char *host = NULL; /* remote host (if any) */ | |
144a6db1 | 98 | int sizest = 0; /* return size estimate only */ |
1227625a SP |
99 | |
100 | #ifdef __linux__ | |
101 | char *__progname; | |
102 | #endif | |
103 | ||
ddd2ef55 SP |
104 | int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */ |
105 | static long numarg __P((const char *, long, long)); | |
1227625a SP |
106 | static void obsolete __P((int *, char **[])); |
107 | static void usage __P((void)); | |
108 | ||
20c345aa SP |
109 | ino_t iexclude_list[IEXCLUDE_MAXNUM]; /* the inode exclude list */ |
110 | int iexclude_num = 0; /* number of elements in the list */ | |
111 | ||
1227625a | 112 | int |
ddd2ef55 | 113 | main(int argc, char *argv[]) |
1227625a SP |
114 | { |
115 | register ino_t ino; | |
b45f51d6 | 116 | register int dirty; |
1227625a SP |
117 | register struct dinode *dp; |
118 | register struct fstab *dt; | |
119 | register char *map; | |
120 | register int ch; | |
121 | int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; | |
122 | ino_t maxino; | |
123 | #ifdef __linux__ | |
124 | errcode_t retval; | |
92a9bf12 SP |
125 | char directory[MAXPATHLEN]; |
126 | char pathname[MAXPATHLEN]; | |
1227625a | 127 | #endif |
ddd2ef55 | 128 | time_t tnow; |
b45f51d6 | 129 | char labelstr[LBLSIZE]; |
8954518f | 130 | char *diskparam; |
1227625a SP |
131 | |
132 | spcl.c_date = 0; | |
133 | #ifdef __linux__ | |
134 | (void)time4(&spcl.c_date); | |
135 | #else | |
136 | (void)time((time_t *)&spcl.c_date); | |
137 | #endif | |
138 | ||
139 | #ifdef __linux__ | |
140 | __progname = argv[0]; | |
141 | directory[0] = 0; | |
142 | initialize_ext2_error_table(); | |
143 | #endif | |
144 | ||
145 | tsize = 0; /* Default later, based on 'c' option for cart tapes */ | |
0d7af9c5 | 146 | eot_script = NULL; |
d1c73b9a SP |
147 | if ((tapeprefix = getenv("TAPE")) == NULL) |
148 | tapeprefix = _PATH_DEFTAPE; | |
1227625a | 149 | dumpdates = _PATH_DUMPDATES; |
b45f51d6 | 150 | strcpy(labelstr, "none"); /* XXX safe strcpy. */ |
1227625a SP |
151 | if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) |
152 | quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); | |
153 | level = '0'; | |
b45f51d6 | 154 | |
1227625a SP |
155 | if (argc < 2) |
156 | usage(); | |
157 | ||
158 | obsolete(&argc, &argv); | |
b45f51d6 | 159 | #ifdef KERBEROS |
0d7af9c5 | 160 | #define optstring "0123456789aB:b:cd:e:f:F:h:kL:Mns:ST:uWw" |
b45f51d6 | 161 | #else |
0d7af9c5 | 162 | #define optstring "0123456789aB:b:cd:e:f:F:h:L:Mns:ST:uWw" |
b45f51d6 SP |
163 | #endif |
164 | while ((ch = getopt(argc, argv, optstring)) != -1) | |
165 | #undef optstring | |
166 | switch (ch) { | |
1227625a SP |
167 | /* dump level */ |
168 | case '0': case '1': case '2': case '3': case '4': | |
169 | case '5': case '6': case '7': case '8': case '9': | |
170 | level = ch; | |
171 | break; | |
172 | ||
b45f51d6 SP |
173 | case 'a': /* `auto-size', Write to EOM. */ |
174 | unlimited = 1; | |
175 | break; | |
176 | ||
1227625a | 177 | case 'B': /* blocks per output file */ |
b45f51d6 SP |
178 | blocksperfile = numarg("number of blocks per file", |
179 | 1L, 0L); | |
1227625a SP |
180 | break; |
181 | ||
182 | case 'b': /* blocks per tape write */ | |
b45f51d6 SP |
183 | ntrec = numarg("number of blocks per write", |
184 | 1L, 1000L); | |
ddd2ef55 SP |
185 | if (ntrec > maxbsize/1024) { |
186 | msg("Please choose a blocksize <= %dKB\n", | |
187 | maxbsize/1024); | |
188 | exit(X_STARTUP); | |
189 | } | |
190 | bflag = 1; | |
1227625a SP |
191 | break; |
192 | ||
193 | case 'c': /* Tape is cart. not 9-track */ | |
194 | cartridge = 1; | |
195 | break; | |
196 | ||
197 | case 'd': /* density, in bits per inch */ | |
198 | density = numarg("density", 10L, 327670L) / 10; | |
199 | if (density >= 625 && !bflag) | |
200 | ntrec = HIGHDENSITYTREC; | |
201 | break; | |
20c345aa SP |
202 | |
203 | /* 04-Feb-00 ILC */ | |
204 | case 'e': /* exclude an inode */ | |
aec13b2a SP |
205 | if (iexclude_num == IEXCLUDE_MAXNUM) { |
206 | (void)fprintf(stderr, "Too many -e options\n"); | |
207 | exit(X_STARTUP); | |
208 | } | |
209 | iexclude_list[iexclude_num++] = numarg("inode to exclude",0L,0L); | |
210 | if (iexclude_list[iexclude_num-1] <= ROOTINO) { | |
211 | (void)fprintf(stderr, "Cannot exclude inode %d\n", iexclude_list[iexclude_num-1]); | |
212 | exit(X_STARTUP); | |
213 | } | |
20c345aa SP |
214 | msg("Added %d to exclude list\n", |
215 | iexclude_list[iexclude_num-1]); | |
216 | break; | |
1227625a SP |
217 | |
218 | case 'f': /* output file */ | |
d1c73b9a | 219 | tapeprefix = optarg; |
1227625a SP |
220 | break; |
221 | ||
0d7af9c5 SP |
222 | case 'F': /* end of tape script */ |
223 | eot_script = optarg; | |
224 | break; | |
225 | ||
1227625a SP |
226 | case 'h': |
227 | honorlevel = numarg("honor level", 0L, 10L); | |
228 | break; | |
229 | ||
b45f51d6 SP |
230 | #ifdef KERBEROS |
231 | case 'k': | |
232 | dokerberos = 1; | |
233 | break; | |
234 | #endif | |
235 | ||
236 | case 'L': | |
237 | /* | |
238 | * Note that although there are LBLSIZE characters, | |
239 | * the last must be '\0', so the limit on strlen() | |
240 | * is really LBLSIZE-1. | |
241 | */ | |
242 | strncpy(labelstr, optarg, LBLSIZE); | |
243 | labelstr[LBLSIZE-1] = '\0'; | |
244 | if (strlen(optarg) > LBLSIZE-1) { | |
245 | msg( | |
246 | "WARNING Label `%s' is larger than limit of %d characters.\n", | |
247 | optarg, LBLSIZE-1); | |
248 | msg("WARNING: Using truncated label `%s'.\n", | |
249 | labelstr); | |
250 | } | |
251 | break; | |
252 | ||
d1c73b9a SP |
253 | case 'M': /* multi-volume flag */ |
254 | Mflag = 1; | |
255 | break; | |
256 | ||
1227625a SP |
257 | case 'n': /* notify operators */ |
258 | notify = 1; | |
259 | break; | |
260 | ||
261 | case 's': /* tape size, feet */ | |
262 | tsize = numarg("tape size", 1L, 0L) * 12 * 10; | |
263 | break; | |
264 | ||
144a6db1 SP |
265 | case 'S': |
266 | sizest = 1; /* return size estimate only */ | |
267 | break; | |
268 | ||
1227625a SP |
269 | case 'T': /* time of last dump */ |
270 | spcl.c_ddate = unctime(optarg); | |
271 | if (spcl.c_ddate < 0) { | |
272 | (void)fprintf(stderr, "bad time \"%s\"\n", | |
273 | optarg); | |
b45f51d6 | 274 | exit(X_STARTUP); |
1227625a SP |
275 | } |
276 | Tflag = 1; | |
277 | lastlevel = '?'; | |
b45f51d6 | 278 | break; |
1227625a | 279 | |
ddd2ef55 | 280 | case 'u': /* update dumpdates */ |
1227625a SP |
281 | uflag = 1; |
282 | break; | |
283 | ||
284 | case 'W': /* what to do */ | |
285 | case 'w': | |
286 | lastdump(ch); | |
b45f51d6 | 287 | exit(X_FINOK); /* do nothing else */ |
1227625a SP |
288 | |
289 | default: | |
290 | usage(); | |
291 | } | |
292 | argc -= optind; | |
293 | argv += optind; | |
294 | ||
295 | if (argc < 1) { | |
296 | (void)fprintf(stderr, "Must specify disk or filesystem\n"); | |
b45f51d6 | 297 | exit(X_STARTUP); |
1227625a | 298 | } |
8954518f SP |
299 | diskparam = *argv++; |
300 | if (strlen(diskparam) >= MAXPATHLEN) { | |
301 | (void)fprintf(stderr, "Disk or filesystem name too long: %s\n", diskparam); | |
92a9bf12 SP |
302 | exit(X_STARTUP); |
303 | } | |
1227625a SP |
304 | argc--; |
305 | if (argc >= 1) { | |
306 | (void)fprintf(stderr, "Unknown arguments to dump:"); | |
307 | while (argc--) | |
308 | (void)fprintf(stderr, " %s", *argv++); | |
309 | (void)fprintf(stderr, "\n"); | |
b45f51d6 | 310 | exit(X_STARTUP); |
1227625a SP |
311 | } |
312 | if (Tflag && uflag) { | |
313 | (void)fprintf(stderr, | |
314 | "You cannot use the T and u flags together.\n"); | |
b45f51d6 | 315 | exit(X_STARTUP); |
1227625a | 316 | } |
d1c73b9a | 317 | if (strcmp(tapeprefix, "-") == 0) { |
1227625a | 318 | pipeout++; |
d1c73b9a | 319 | tapeprefix = "standard output"; |
1227625a SP |
320 | } |
321 | ||
322 | if (blocksperfile) | |
323 | blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ | |
b45f51d6 | 324 | else if (!unlimited) { |
1227625a SP |
325 | /* |
326 | * Determine how to default tape size and density | |
327 | * | |
328 | * density tape size | |
329 | * 9-track 1600 bpi (160 bytes/.1") 2300 ft. | |
330 | * 9-track 6250 bpi (625 bytes/.1") 2300 ft. | |
331 | * cartridge 8000 bpi (100 bytes/.1") 1700 ft. | |
332 | * (450*4 - slop) | |
b45f51d6 | 333 | * hilit19 hits again: " |
1227625a SP |
334 | */ |
335 | if (density == 0) | |
336 | density = cartridge ? 100 : 160; | |
337 | if (tsize == 0) | |
338 | tsize = cartridge ? 1700L*120L : 2300L*120L; | |
339 | } | |
340 | ||
d1c73b9a SP |
341 | if (strchr(tapeprefix, ':')) { |
342 | host = tapeprefix; | |
343 | tapeprefix = strchr(host, ':'); | |
344 | *tapeprefix++ = '\0'; | |
1227625a | 345 | #ifdef RDUMP |
d1c73b9a | 346 | if (index(tapeprefix, '\n')) { |
b45f51d6 SP |
347 | (void)fprintf(stderr, "invalid characters in tape\n"); |
348 | exit(X_STARTUP); | |
349 | } | |
1227625a | 350 | if (rmthost(host) == 0) |
b45f51d6 | 351 | exit(X_STARTUP); |
1227625a SP |
352 | #else |
353 | (void)fprintf(stderr, "remote dump not enabled\n"); | |
b45f51d6 | 354 | exit(X_STARTUP); |
1227625a SP |
355 | #endif |
356 | } | |
357 | (void)setuid(getuid()); /* rmthost() is the only reason to be setuid */ | |
358 | ||
359 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) | |
360 | signal(SIGHUP, sig); | |
361 | if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) | |
362 | signal(SIGTRAP, sig); | |
363 | if (signal(SIGFPE, SIG_IGN) != SIG_IGN) | |
364 | signal(SIGFPE, sig); | |
365 | if (signal(SIGBUS, SIG_IGN) != SIG_IGN) | |
366 | signal(SIGBUS, sig); | |
367 | if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) | |
368 | signal(SIGSEGV, sig); | |
369 | if (signal(SIGTERM, SIG_IGN) != SIG_IGN) | |
370 | signal(SIGTERM, sig); | |
371 | if (signal(SIGINT, interrupt) == SIG_IGN) | |
372 | signal(SIGINT, SIG_IGN); | |
1227625a SP |
373 | set_operators(); /* /etc/group snarfed */ |
374 | getfstab(); /* /etc/fstab snarfed */ | |
8954518f SP |
375 | |
376 | disk = get_device_name(diskparam); | |
377 | if (!disk) { /* null means the disk is some form | |
378 | of LABEL= or UID= but it was not | |
379 | found */ | |
380 | msg("Cannot find a disk having %s\n", diskparam); | |
381 | exit(X_STARTUP); | |
382 | } | |
a2c9bd28 SP |
383 | /* |
384 | * disk may end in / and this can confuse | |
385 | * fstabsearch. | |
386 | */ | |
387 | if (strlen(disk) > 1 && disk[strlen(disk) - 1] == '/') | |
388 | disk[strlen(disk) - 1] = '\0'; | |
1227625a SP |
389 | /* |
390 | * disk can be either the full special file name, | |
391 | * the suffix of the special file name, | |
392 | * the special name missing the leading '/', | |
393 | * the file system name with or without the leading '/'. | |
394 | */ | |
ddd2ef55 | 395 | if ((dt = fstabsearch(disk)) != NULL) { |
1227625a SP |
396 | disk = rawname(dt->fs_spec); |
397 | (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); | |
398 | (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN); | |
399 | #ifdef __linux__ | |
400 | } else { | |
401 | /* | |
402 | * The argument was not found in the fstab | |
403 | * assume that this is a subtree and search for it | |
404 | */ | |
405 | #ifdef HAVE_REALPATH | |
406 | if (realpath(disk, pathname) == NULL) | |
407 | #endif | |
408 | strcpy(pathname, disk); | |
409 | dt = fstabsearchdir(pathname, directory); | |
410 | if (dt != NULL) { | |
411 | char name[MAXPATHLEN]; | |
a2c9bd28 | 412 | (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN); |
960c1264 | 413 | (void)snprintf(name, sizeof(name), "%s (dir %s)", |
a2c9bd28 SP |
414 | dt->fs_file, directory); |
415 | (void)strncpy(spcl.c_filesys, name, NAMELEN); | |
1227625a SP |
416 | disk = rawname(dt->fs_spec); |
417 | } else { | |
418 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
419 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
420 | NAMELEN); | |
421 | } | |
422 | } | |
423 | #else | |
424 | } else { | |
425 | (void)strncpy(spcl.c_dev, disk, NAMELEN); | |
426 | (void)strncpy(spcl.c_filesys, "an unlisted file system", | |
427 | NAMELEN); | |
428 | } | |
429 | #endif | |
79e31865 SP |
430 | |
431 | if (directory[0] != 0) { | |
432 | if (level != '0') { | |
433 | (void)fprintf(stderr, "Only level 0 dumps are allowed on a subdirectory\n"); | |
434 | exit(X_STARTUP); | |
435 | } | |
436 | if (uflag) { | |
437 | (void)fprintf(stderr, "You can't update the dumpdates file when dumping a subdirectory\n"); | |
438 | exit(X_STARTUP); | |
439 | } | |
440 | } | |
b45f51d6 SP |
441 | spcl.c_dev[NAMELEN-1]='\0'; |
442 | spcl.c_filesys[NAMELEN-1]='\0'; | |
443 | (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1); | |
1227625a SP |
444 | (void)gethostname(spcl.c_host, NAMELEN); |
445 | spcl.c_level = level - '0'; | |
446 | spcl.c_type = TS_TAPE; | |
447 | if (!Tflag) | |
8d4197bb SP |
448 | getdumptime(uflag); /* dumpdates snarfed */ |
449 | ||
450 | if (spcl.c_ddate == 0 && spcl.c_level) { | |
451 | msg("WARNING: There is no inferior level dump on this filesystem\n"); | |
452 | msg("WARNING: Assuming a level 0 dump by default\n"); | |
453 | level = '0'; | |
454 | spcl.c_level = 0; | |
455 | } | |
1227625a | 456 | |
d1c73b9a | 457 | if (Mflag) |
92a9bf12 | 458 | snprintf(tape, MAXPATHLEN, "%s%03d", tapeprefix, tapeno + 1); |
d1c73b9a | 459 | else |
92a9bf12 SP |
460 | strncpy(tape, tapeprefix, MAXPATHLEN); |
461 | tape[MAXPATHLEN - 1] = '\0'; | |
d1c73b9a | 462 | |
144a6db1 SP |
463 | if (!sizest) { |
464 | ||
465 | msg("Date of this level %c dump: %s", level, | |
8d4197bb | 466 | #ifdef __linux__ |
144a6db1 | 467 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); |
1227625a | 468 | #else |
144a6db1 | 469 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); |
1227625a | 470 | #endif |
144a6db1 | 471 | msg("Date of last level %c dump: %s", lastlevel, |
1227625a | 472 | #ifdef __linux__ |
144a6db1 | 473 | spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate)); |
1227625a | 474 | #else |
144a6db1 | 475 | spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate)); |
1227625a | 476 | #endif |
a2c9bd28 | 477 | msg("Dumping %s (%s) ", disk, spcl.c_filesys); |
144a6db1 SP |
478 | if (host) |
479 | msgtail("to %s on host %s\n", tape, host); | |
480 | else | |
481 | msgtail("to %s\n", tape); | |
482 | msg("Label: %s\n", labelstr); | |
483 | ||
484 | } /* end of size estimate */ | |
1227625a SP |
485 | |
486 | #ifdef __linux__ | |
c930abff | 487 | retval = dump_fs_open(disk, &fs); |
1227625a SP |
488 | if (retval) { |
489 | com_err(disk, retval, "while opening filesystem"); | |
490 | if (retval == EXT2_ET_REV_TOO_HIGH) | |
491 | printf ("Get a newer version of dump!\n"); | |
b45f51d6 | 492 | exit(X_STARTUP); |
1227625a SP |
493 | } |
494 | if (fs->super->s_rev_level > DUMP_CURRENT_REV) { | |
495 | com_err(disk, retval, "while opening filesystem"); | |
496 | printf ("Get a newer version of dump!\n"); | |
b45f51d6 | 497 | exit(X_STARTUP); |
1227625a SP |
498 | } |
499 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
500 | msg("Cannot open %s\n", disk); | |
b45f51d6 | 501 | exit(X_STARTUP); |
1227625a SP |
502 | } |
503 | sync(); | |
504 | dev_bsize = DEV_BSIZE; | |
505 | dev_bshift = ffs(dev_bsize) - 1; | |
506 | if (dev_bsize != (1 << dev_bshift)) | |
507 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
508 | tp_bshift = ffs(TP_BSIZE) - 1; | |
509 | if (TP_BSIZE != (1 << tp_bshift)) | |
510 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
511 | maxino = fs->super->s_inodes_count; | |
512 | #if 0 | |
513 | spcl.c_flags |= DR_NEWINODEFMT; | |
514 | #endif | |
515 | #else /* __linux __*/ | |
516 | if ((diskfd = open(disk, O_RDONLY)) < 0) { | |
517 | msg("Cannot open %s\n", disk); | |
b45f51d6 | 518 | exit(X_STARTUP); |
1227625a SP |
519 | } |
520 | sync(); | |
521 | sblock = (struct fs *)sblock_buf; | |
522 | bread(SBOFF, (char *) sblock, SBSIZE); | |
523 | if (sblock->fs_magic != FS_MAGIC) | |
524 | quit("bad sblock magic number\n"); | |
525 | dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); | |
526 | dev_bshift = ffs(dev_bsize) - 1; | |
527 | if (dev_bsize != (1 << dev_bshift)) | |
528 | quit("dev_bsize (%d) is not a power of 2", dev_bsize); | |
529 | tp_bshift = ffs(TP_BSIZE) - 1; | |
530 | if (TP_BSIZE != (1 << tp_bshift)) | |
531 | quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); | |
1227625a SP |
532 | #ifdef FS_44INODEFMT |
533 | if (sblock->fs_inodefmt >= FS_44INODEFMT) | |
534 | spcl.c_flags |= DR_NEWINODEFMT; | |
535 | #endif | |
536 | maxino = sblock->fs_ipg * sblock->fs_ncg; | |
537 | #endif /* __linux__ */ | |
538 | mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); | |
539 | usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
540 | dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
541 | dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char)); | |
a0d8fe2d | 542 | tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); |
1227625a SP |
543 | |
544 | nonodump = spcl.c_level < honorlevel; | |
545 | ||
ddd2ef55 SP |
546 | #if defined(SIGINFO) |
547 | (void)signal(SIGINFO, statussig); | |
548 | #endif | |
549 | ||
144a6db1 SP |
550 | if (!sizest) |
551 | msg("mapping (Pass I) [regular files]\n"); | |
1227625a SP |
552 | #ifdef __linux__ |
553 | if (directory[0] == 0) | |
554 | anydirskipped = mapfiles(maxino, &tapesize); | |
555 | else | |
556 | anydirskipped = mapfilesfromdir(maxino, &tapesize, directory); | |
557 | #else | |
558 | anydirskipped = mapfiles(maxino, &tapesize); | |
559 | #endif | |
560 | ||
144a6db1 SP |
561 | if (!sizest) |
562 | msg("mapping (Pass II) [directories]\n"); | |
1227625a SP |
563 | while (anydirskipped) { |
564 | anydirskipped = mapdirs(maxino, &tapesize); | |
565 | } | |
566 | ||
144a6db1 | 567 | if (sizest) { |
a0d8fe2d | 568 | printf("%.0f\n", ((double)tapesize + 11) * TP_BSIZE); |
a29c23cc | 569 | exit(X_FINOK); |
144a6db1 SP |
570 | } /* stop here for size estimate */ |
571 | ||
b45f51d6 | 572 | if (pipeout || unlimited) { |
a0d8fe2d | 573 | tapesize += 11; /* 10 trailer blocks + 1 map header */ |
1227625a SP |
574 | msg("estimated %ld tape blocks.\n", tapesize); |
575 | } else { | |
576 | double fetapes; | |
577 | ||
578 | if (blocksperfile) | |
579 | fetapes = (double) tapesize / blocksperfile; | |
580 | else if (cartridge) { | |
581 | /* Estimate number of tapes, assuming streaming stops at | |
582 | the end of each block written, and not in mid-block. | |
583 | Assume no erroneous blocks; this can be compensated | |
584 | for with an artificially low tape size. */ | |
b45f51d6 SP |
585 | fetapes = |
586 | ( (double) tapesize /* blocks */ | |
1227625a | 587 | * TP_BSIZE /* bytes/block */ |
b45f51d6 | 588 | * (1.0/density) /* 0.1" / byte " */ |
1227625a | 589 | + |
b45f51d6 | 590 | (double) tapesize /* blocks */ |
1227625a | 591 | * (1.0/ntrec) /* streaming-stops per block */ |
b45f51d6 SP |
592 | * 15.48 /* 0.1" / streaming-stop " */ |
593 | ) * (1.0 / tsize ); /* tape / 0.1" " */ | |
1227625a SP |
594 | } else { |
595 | /* Estimate number of tapes, for old fashioned 9-track | |
596 | tape */ | |
597 | int tenthsperirg = (density == 625) ? 3 : 7; | |
598 | fetapes = | |
b45f51d6 | 599 | ( (double) tapesize /* blocks */ |
1227625a | 600 | * TP_BSIZE /* bytes / block */ |
b45f51d6 | 601 | * (1.0/density) /* 0.1" / byte " */ |
1227625a | 602 | + |
b45f51d6 | 603 | (double) tapesize /* blocks */ |
1227625a | 604 | * (1.0/ntrec) /* IRG's / block */ |
b45f51d6 SP |
605 | * tenthsperirg /* 0.1" / IRG " */ |
606 | ) * (1.0 / tsize ); /* tape / 0.1" " */ | |
1227625a SP |
607 | } |
608 | etapes = fetapes; /* truncating assignment */ | |
609 | etapes++; | |
610 | /* count the dumped inodes map on each additional tape */ | |
611 | tapesize += (etapes - 1) * | |
612 | (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); | |
613 | tapesize += etapes + 10; /* headers + 10 trailer blks */ | |
614 | msg("estimated %ld tape blocks on %3.2f tape(s).\n", | |
615 | tapesize, fetapes); | |
616 | } | |
617 | ||
618 | /* | |
619 | * Allocate tape buffer. | |
620 | */ | |
621 | if (!alloctape()) | |
b45f51d6 SP |
622 | quit( |
623 | "can't allocate tape buffers - try a smaller blocking factor.\n"); | |
1227625a SP |
624 | |
625 | startnewtape(1); | |
8d4197bb SP |
626 | #ifdef __linux__ |
627 | (void)time4(&(tstart_writing)); | |
628 | #else | |
1227625a | 629 | (void)time((time_t *)&(tstart_writing)); |
8d4197bb | 630 | #endif |
1227625a SP |
631 | dumpmap(usedinomap, TS_CLRI, maxino - 1); |
632 | ||
633 | msg("dumping (Pass III) [directories]\n"); | |
634 | dirty = 0; /* XXX just to get gcc to shut up */ | |
635 | for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { | |
636 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ | |
637 | dirty = *map++; | |
638 | else | |
639 | dirty >>= 1; | |
640 | if ((dirty & 1) == 0) | |
641 | continue; | |
642 | /* | |
643 | * Skip directory inodes deleted and maybe reallocated | |
644 | */ | |
645 | dp = getino(ino); | |
646 | if ((dp->di_mode & IFMT) != IFDIR) | |
647 | continue; | |
648 | #ifdef __linux__ | |
d6f78b13 SP |
649 | /* |
650 | * Skip directory inodes deleted and not yes reallocated... | |
651 | */ | |
652 | if (dp->di_nlink == 0 || dp->di_dtime != 0) | |
653 | continue; | |
1227625a SP |
654 | (void)dumpdirino(dp, ino); |
655 | #else | |
656 | (void)dumpino(dp, ino); | |
657 | #endif | |
658 | } | |
659 | ||
660 | msg("dumping (Pass IV) [regular files]\n"); | |
661 | for (map = dumpinomap, ino = 1; ino < maxino; ino++) { | |
1227625a SP |
662 | if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ |
663 | dirty = *map++; | |
664 | else | |
665 | dirty >>= 1; | |
666 | if ((dirty & 1) == 0) | |
667 | continue; | |
668 | /* | |
669 | * Skip inodes deleted and reallocated as directories. | |
670 | */ | |
671 | dp = getino(ino); | |
d6f78b13 | 672 | if ((dp->di_mode & IFMT) == IFDIR) |
1227625a | 673 | continue; |
d6f78b13 SP |
674 | #ifdef __linux__ |
675 | /* | |
676 | * No need to check here for deleted and not yes reallocated inodes | |
677 | * since this is done in dumpino(). | |
678 | */ | |
679 | #endif | |
1227625a SP |
680 | (void)dumpino(dp, ino); |
681 | } | |
682 | ||
8d4197bb SP |
683 | #ifdef __linux__ |
684 | (void)time4(&(tend_writing)); | |
685 | #else | |
1227625a | 686 | (void)time((time_t *)&(tend_writing)); |
8d4197bb | 687 | #endif |
1227625a SP |
688 | spcl.c_type = TS_END; |
689 | for (i = 0; i < ntrec; i++) | |
690 | writeheader(maxino - 1); | |
0d7af9c5 SP |
691 | |
692 | tnow = trewind(); | |
693 | ||
1227625a | 694 | if (pipeout) |
cbc94239 SP |
695 | msg("%ld tape blocks (%.2fMB)\n", spcl.c_tapea, |
696 | ((double)spcl.c_tapea * TP_BSIZE / 1048576)); | |
1227625a | 697 | else |
cbc94239 SP |
698 | msg("%ld tape blocks (%.2fMB) on %d volume(s)\n", |
699 | spcl.c_tapea, | |
700 | ((double)spcl.c_tapea * TP_BSIZE / 1048576), | |
701 | spcl.c_volume); | |
b45f51d6 | 702 | |
1227625a SP |
703 | /* report dump performance, avoid division through zero */ |
704 | if (tend_writing - tstart_writing == 0) | |
705 | msg("finished in less than a second\n"); | |
706 | else | |
707 | msg("finished in %d seconds, throughput %d KBytes/sec\n", | |
708 | tend_writing - tstart_writing, | |
709 | spcl.c_tapea / (tend_writing - tstart_writing)); | |
b45f51d6 | 710 | |
1227625a | 711 | putdumptime(); |
ddd2ef55 | 712 | #ifdef __linux__ |
d65ed175 | 713 | msg("Date of this level %c dump: %s", level, |
ddd2ef55 SP |
714 | spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date)); |
715 | #else | |
d65ed175 | 716 | msg("Date of this level %c dump: %s", level, |
ddd2ef55 SP |
717 | spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date)); |
718 | #endif | |
d65ed175 | 719 | msg("Date this dump completed: %s", ctime(&tnow)); |
ddd2ef55 | 720 | |
d65ed175 | 721 | msg("Average transfer rate: %ld KB/s\n", xferrate / tapeno); |
ddd2ef55 | 722 | |
1227625a SP |
723 | broadcast("DUMP IS DONE!\7\7\n"); |
724 | msg("DUMP IS DONE\n"); | |
725 | Exit(X_FINOK); | |
726 | /* NOTREACHED */ | |
ddd2ef55 | 727 | return 0; /* gcc - shut up */ |
1227625a SP |
728 | } |
729 | ||
730 | static void | |
ddd2ef55 | 731 | usage(void) |
1227625a | 732 | { |
df9ae507 SP |
733 | char white[MAXPATHLEN]; |
734 | int i; | |
735 | ||
736 | strncpy(white, __progname, MAXPATHLEN-1); | |
737 | white[MAXPATHLEN-1] = '\0'; | |
738 | for (i=0; i<MAXPATHLEN; ++i) | |
739 | if (white[i] != '\0') white[i] = ' '; | |
740 | ||
741 | fprintf(stderr, | |
742 | "%s %s\n", __progname, _DUMP_VERSION); | |
b45f51d6 | 743 | fprintf(stderr, |
df9ae507 | 744 | "usage:\t%s [-0123456789ac" |
b45f51d6 SP |
745 | #ifdef KERBEROS |
746 | "k" | |
747 | #endif | |
144a6db1 | 748 | "MnSu] [-B records] [-b blocksize] [-d density]\n" |
20c345aa | 749 | "\t%s [-e inode#] [-f file] [-h level] [-s feet] [-T date] filesystem\n" |
df9ae507 | 750 | "\t%s [-W | -w]\n", __progname, white, __progname); |
b45f51d6 | 751 | exit(X_STARTUP); |
1227625a SP |
752 | } |
753 | ||
754 | /* | |
755 | * Pick up a numeric argument. It must be nonnegative and in the given | |
756 | * range (except that a vmax of 0 means unlimited). | |
757 | */ | |
758 | static long | |
ddd2ef55 | 759 | numarg(const char *meaning, long vmin, long vmax) |
1227625a SP |
760 | { |
761 | char *p; | |
762 | long val; | |
763 | ||
764 | val = strtol(optarg, &p, 10); | |
765 | if (*p) | |
ddd2ef55 | 766 | errx(X_STARTUP, "illegal %s -- %s", meaning, optarg); |
1227625a | 767 | if (val < vmin || (vmax && val > vmax)) |
ddd2ef55 | 768 | errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax); |
1227625a SP |
769 | return (val); |
770 | } | |
771 | ||
772 | void | |
ddd2ef55 | 773 | sig(int signo) |
1227625a SP |
774 | { |
775 | switch(signo) { | |
776 | case SIGALRM: | |
777 | case SIGBUS: | |
778 | case SIGFPE: | |
779 | case SIGHUP: | |
780 | case SIGTERM: | |
781 | case SIGTRAP: | |
782 | if (pipeout) | |
783 | quit("Signal on pipe: cannot recover\n"); | |
784 | msg("Rewriting attempted as response to unknown signal.\n"); | |
785 | (void)fflush(stderr); | |
786 | (void)fflush(stdout); | |
787 | close_rewind(); | |
788 | exit(X_REWRITE); | |
789 | /* NOTREACHED */ | |
790 | case SIGSEGV: | |
791 | msg("SIGSEGV: ABORTING!\n"); | |
792 | (void)signal(SIGSEGV, SIG_DFL); | |
793 | (void)kill(0, SIGSEGV); | |
794 | /* NOTREACHED */ | |
795 | } | |
796 | } | |
797 | ||
798 | char * | |
ddd2ef55 | 799 | rawname(char *cp) |
1227625a SP |
800 | { |
801 | #ifdef __linux__ | |
802 | return cp; | |
803 | #else /* __linux__ */ | |
804 | static char rawbuf[MAXPATHLEN]; | |
805 | char *dp = strrchr(cp, '/'); | |
806 | ||
807 | if (dp == NULL) | |
808 | return (NULL); | |
809 | *dp = '\0'; | |
b45f51d6 SP |
810 | (void)strncpy(rawbuf, cp, MAXPATHLEN - 1); |
811 | rawbuf[MAXPATHLEN-1] = '\0'; | |
1227625a | 812 | *dp = '/'; |
b45f51d6 SP |
813 | (void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf)); |
814 | (void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf)); | |
1227625a SP |
815 | return (rawbuf); |
816 | #endif /* __linux__ */ | |
817 | } | |
818 | ||
819 | /* | |
820 | * obsolete -- | |
b45f51d6 SP |
821 | * Change set of key letters and ordered arguments into something |
822 | * getopt(3) will like. | |
1227625a SP |
823 | */ |
824 | static void | |
ddd2ef55 | 825 | obsolete(int *argcp, char **argvp[]) |
1227625a SP |
826 | { |
827 | int argc, flags; | |
b45f51d6 | 828 | char *ap, **argv, *flagsp=NULL, **nargv, *p=NULL; |
1227625a SP |
829 | |
830 | /* Setup. */ | |
831 | argv = *argvp; | |
832 | argc = *argcp; | |
833 | ||
834 | /* Return if no arguments or first argument has leading dash. */ | |
835 | ap = argv[1]; | |
836 | if (argc == 1 || *ap == '-') | |
837 | return; | |
838 | ||
839 | /* Allocate space for new arguments. */ | |
840 | if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || | |
841 | (p = flagsp = malloc(strlen(ap) + 2)) == NULL) | |
ddd2ef55 | 842 | err(X_STARTUP, "malloc new args"); |
1227625a SP |
843 | |
844 | *nargv++ = *argv; | |
845 | argv += 2; | |
846 | ||
847 | for (flags = 0; *ap; ++ap) { | |
848 | switch (*ap) { | |
849 | case 'B': | |
850 | case 'b': | |
851 | case 'd': | |
0d7af9c5 | 852 | case 'e': |
1227625a | 853 | case 'f': |
0d7af9c5 | 854 | case 'F': |
1227625a | 855 | case 'h': |
0d7af9c5 | 856 | case 'L': |
1227625a SP |
857 | case 's': |
858 | case 'T': | |
859 | if (*argv == NULL) { | |
b45f51d6 SP |
860 | warnx("option requires an argument -- %c", *ap); |
861 | usage(); | |
1227625a SP |
862 | } |
863 | if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) | |
ddd2ef55 | 864 | err(X_STARTUP, "malloc arg"); |
1227625a SP |
865 | nargv[0][0] = '-'; |
866 | nargv[0][1] = *ap; | |
867 | (void)strcpy(&nargv[0][2], *argv); | |
868 | ++argv; | |
869 | ++nargv; | |
870 | break; | |
871 | default: | |
872 | if (!flags) { | |
873 | *p++ = '-'; | |
874 | flags = 1; | |
875 | } | |
876 | *p++ = *ap; | |
877 | break; | |
878 | } | |
879 | } | |
880 | ||
881 | /* Terminate flags. */ | |
882 | if (flags) { | |
883 | *p = '\0'; | |
884 | *nargv++ = flagsp; | |
885 | } | |
886 | ||
887 | /* Copy remaining arguments. */ | |
b45f51d6 | 888 | while ((*nargv++ = *argv++)); |
1227625a SP |
889 | |
890 | /* Update argument count. */ | |
891 | *argcp = nargv - *argvp - 1; | |
892 | } |