source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-verify.c@ 2338

Last change on this file since 2338 was 2338, checked in by Bruno Cornec, 15 years ago
  • Adds LZMA support (Fix #309)
  • Change
  • Property svn:keywords set to Id
File size: 35.7 KB
Line 
1/***************************************************************************
2$Id: libmondo-verify.c 2338 2009-08-20 23:47:12Z bruno $
3***************************************************************************/
4
5
6/**
7 * @file
8 * Functions for verifying backups (booted from hard drive, not CD).
9 */
10
11#include "my-stuff.h"
12#include "mr_mem.h"
13#include "mondostructures.h"
14#include "libmondo-verify.h"
15#include "libmondo-gui-EXT.h"
16#include "libmondo-files-EXT.h"
17#include "libmondo-fork-EXT.h"
18#include "libmondo-stream-EXT.h"
19#include "libmondo-string-EXT.h"
20#include "libmondo-devices-EXT.h"
21#include "libmondo-tools-EXT.h"
22#include "lib-common-externs.h"
23
24/*@unused@*/
25//static char cvsid[] = "$Id: libmondo-verify.c 2338 2009-08-20 23:47:12Z bruno $";
26
27/**
28 * The number of the most recently verified afioball.
29 * @ingroup globalGroup
30 */
31int g_last_afioball_number = -1;
32
33extern char *g_getfacl;
34extern char *g_getfattr;
35extern char *MONDO_LOGFILE;
36
37/* Reference to global bkpinfo */
38extern struct s_bkpinfo *bkpinfo;
39
40
41/**
42 * Generate the filename of a tarball to verify.
43 * @param bkpinfo The backup information structure. @c bkpinfo->zip_suffix is the only field used.
44 * @param mountpoint The directory where the CD/DVD/ISO is mounted.
45 * @param setno The afioball number to get the location of.
46 * @return The absolute path to the afioball.
47 * @note The returned string points to static data that will be overwritten with each call.
48 * @ingroup stringGroup
49 */
50char *vfy_tball_fname(char *mountpoint, int setno)
51{
52 /*@ buffers ******************************************************* */
53 static char output[MAX_STR_LEN];
54
55 assert(bkpinfo != NULL);
56 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
57 sprintf(output, "%s/archives/%d.star.%s", mountpoint, setno, bkpinfo->zip_suffix);
58 if (!does_file_exist(output)) {
59 sprintf(output, "%s/archives/%d.afio.%s", mountpoint, setno, bkpinfo->zip_suffix);
60 }
61 return (output);
62}
63
64
65/**
66 * Generate a list of the files that have changed, based on @c afio @c -r
67 * messages.
68 * @param changedfiles_fname Filename of the place to put a list of afio's reported changed.
69 * @param ignorefiles_fname Filename of a list of files to ignore (use "" if none).
70 * @param stderr_fname File containing afio's stderr output.
71 * @return The number of differences found (0 for a perfect backup).
72 * @bug This function seems orphaned.
73 * @ingroup utilityGroup
74 */
75long
76generate_list_of_changed_files(char *changedfiles_fname,
77 char *ignorefiles_fname, char *stderr_fname)
78{
79 /*@ buffer ********************************************************** */
80 char *command = NULL;
81 char *afio_found_changes = NULL;
82
83 /*@ int ************************************************************* */
84 int res = 0;
85
86 /*@ long ************************************************************ */
87 long afio_diffs = 0;
88
89 assert_string_is_neither_NULL_nor_zerolength(changedfiles_fname);
90 assert_string_is_neither_NULL_nor_zerolength(ignorefiles_fname);
91 assert_string_is_neither_NULL_nor_zerolength(stderr_fname);
92
93 mr_asprintf(afio_found_changes, "%s.afio", ignorefiles_fname);
94 paranoid_system("sync");
95
96 log_msg(1, "Now scanning log file for 'afio: ' stuff");
97 mr_asprintf(command, "grep \"afio: \" %s | sed 's/afio: //' | grep -vE '^/dev/.*$' >> %s", stderr_fname, afio_found_changes);
98 log_msg(2, command);
99 res = system(command);
100 mr_free(command);
101
102 if (res) {
103 log_msg(2, "Warning - failed to think");
104 }
105
106 log_msg(1, "Now scanning log file for 'star: ' stuff");
107 mr_asprintf(command, "grep \"star: \" %s | sed 's/star: //' | grep -vE '^/dev/.*$' >> %s", stderr_fname, afio_found_changes);
108 log_msg(2, command);
109 res = system(command);
110 mr_free(command);
111
112 if (res) {
113 log_msg(2, "Warning - failed to think");
114 }
115 afio_diffs = count_lines_in_file(afio_found_changes);
116 mr_asprintf(command, "sort %s %s %s | uniq -c | awk '{ if ($1==\"2\") {print $2;};}' | grep -v \"incheckentry xwait()\" > %s", ignorefiles_fname, afio_found_changes, afio_found_changes, changedfiles_fname);
117 mr_free(afio_found_changes);
118 log_msg(2, command);
119 paranoid_system(command);
120 mr_free(command);
121 return (afio_diffs);
122}
123
124
125/**
126 * @addtogroup LLverifyGroup
127 * @{
128 */
129/**
130 * Verify all afioballs stored on the inserted CD (or an ISO image).
131 * @param bkpinfo The backup information structure. @c bkpinfo->backup_media_type
132 * is used in this function, and the structure is also passed to verify_an_afioball_from_CD().
133 * @param mountpoint The location the CD/DVD/ISO is mounted on.
134 * @return The number of sets containing differences (0 for success).
135 */
136int verify_afioballs_on_CD(char *mountpoint)
137{
138
139 /*@ buffers ********************************************************* */
140 char *tmp = NULL;
141 char *mds = NULL;
142
143 /*@ int ************************************************************* */
144 int set_number = 0;
145 int retval = 0;
146 int total_sets = 0;
147 int percentage = 0;
148
149 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
150 assert(bkpinfo != NULL);
151
152 for (set_number = 0;
153 set_number < 9999
154 &&
155 !does_file_exist(vfy_tball_fname(mountpoint, set_number));
156 set_number++);
157 if (!does_file_exist(vfy_tball_fname(mountpoint, set_number))) {
158 return (0);
159 }
160
161 if (g_last_afioball_number != set_number - 1) {
162 if (set_number == 0) {
163 log_msg(1,
164 "Weird error in verify_afioballs_on_CD() but it's really a cosmetic error, nothing more");
165 } else {
166 retval++;
167 log_to_screen("Warning - missing set(s) between %d and %d\n", g_last_afioball_number, set_number - 1);
168 }
169 }
170 mds = media_descriptor_string(bkpinfo->backup_media_type);
171 mr_asprintf(tmp, "Verifying %s #%d's tarballs", mds, g_current_media_number);
172 mr_free(mds);
173
174 open_evalcall_form(tmp);
175 mr_free(tmp);
176
177 for (total_sets = set_number;
178 does_file_exist(vfy_tball_fname(mountpoint, total_sets));
179 total_sets++) {
180 log_msg(1, "total_sets = %d", total_sets);
181 }
182 for (;
183 does_file_exist(vfy_tball_fname(mountpoint, set_number));
184 set_number++) {
185 percentage =
186 (set_number - g_last_afioball_number) * 100 / (total_sets -
187 g_last_afioball_number);
188 update_evalcall_form(percentage);
189 log_msg(1, "set = %d", set_number);
190 retval +=
191 verify_an_afioball_from_CD(vfy_tball_fname(mountpoint, set_number));
192 }
193 g_last_afioball_number = set_number - 1;
194 close_evalcall_form();
195 return (retval);
196}
197
198/**
199 * Verify all slices stored on the inserted CD (or a mounted ISO image).
200 * @param bkpinfo The backup information structure. Fields used:
201 * - @c compression_level
202 * - @c restore_path
203 * - @c use_lzo
204 * - @c zip_suffix
205 * @param mtpt The mountpoint the CD/DVD/ISO is mounted on.
206 * @return The number of differences (0 for perfect biggiefiles).
207 */
208int verify_all_slices_on_CD(char *mtpt)
209{
210
211 /*@ buffer ********************************************************** */
212 char *tmp = NULL;
213 char *mountpoint = NULL;
214 char *command = NULL;
215 char *mds = NULL;
216 char *sz_exe = NULL;
217 static char *bufblkA = NULL;
218 static char *bufblkB = NULL;
219 const long maxbufsize = 65536L;
220 long currsizA = 0;
221 long currsizB = 0;
222 long j;
223
224 /*@ long ************************************************************ */
225 long bigfile_num = 0;
226 long slice_num = -1;
227 int res;
228
229 static FILE *forig = NULL;
230 static struct s_filename_and_lstat_info biggiestruct;
231 static long last_bigfile_num = -1;
232 static long last_slice_num = -1;
233 FILE *pin;
234 FILE *fin;
235 int retval = 0;
236
237 if (!bufblkA) {
238 if (!(bufblkA = malloc(maxbufsize))) {
239 fatal_error("Cannot malloc bufblkA");
240 }
241 }
242 if (!bufblkB) {
243 if (!(bufblkB = malloc(maxbufsize))) {
244 fatal_error("Cannot malloc bufblkB");
245 }
246 }
247
248 assert(bkpinfo != NULL);
249 assert_string_is_neither_NULL_nor_zerolength(mtpt);
250
251 if (bkpinfo->compression_level > 0) {
252 if (bkpinfo->use_lzo) {
253 mr_asprintf(sz_exe, "lzop");
254 } else if (bkpinfo->use_gzip) {
255 mr_asprintf(sz_exe, "gzip");
256 } else if (bkpinfo->use_lzma) {
257 mr_asprintf(sz_exe, "lzma");
258 } else {
259 mr_asprintf(sz_exe, "bzip2");
260 }
261 }
262
263 log_it("before vsbf");
264 mds = media_descriptor_string(bkpinfo->backup_media_type);
265 mr_asprintf(tmp, "Verifying %s#%d's big files", mds, g_current_media_number);
266 mr_free(mds);
267
268 open_evalcall_form(tmp);
269 mr_free(tmp);
270
271 log_it("after vsbf");
272 mr_asprintf(mountpoint, "%s/archives", mtpt);
273 if (last_bigfile_num == -1) {
274 bigfile_num = 0;
275 slice_num = 0;
276 } else if (slice_num == 0) {
277 bigfile_num = last_bigfile_num + 1;
278 slice_num = 0;
279 } else {
280 bigfile_num = last_bigfile_num;
281 slice_num = last_slice_num + 1;
282 }
283 while (does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, bkpinfo->zip_suffix))
284 ||
285 does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, ""))) {
286 // handle slices until end of CD
287 if (slice_num == 0) {
288 log_msg(2, "ISO=%d bigfile=%ld --START--", g_current_media_number, bigfile_num);
289 if (! (fin = fopen(slice_fname(bigfile_num, slice_num, mountpoint, ""), "r"))) {
290 log_msg(2, "Cannot open bigfile's info file");
291 } else {
292 if (fread ((void *) &biggiestruct, 1, sizeof(biggiestruct), fin) < sizeof(biggiestruct)) {
293 log_msg(2, "Unable to get biggiestruct");
294 }
295 paranoid_fclose(fin);
296 }
297 if (bkpinfo->restore_path) {
298 mr_asprintf(tmp, "%s/%s", bkpinfo->restore_path, biggiestruct.filename);
299 log_msg(2, "Opening biggiefile #%ld - '%s'", bigfile_num, tmp);
300 forig = fopen(tmp, "r");
301 mr_free(tmp);
302
303 if (!forig) {
304 log_msg(2, "Failed to open bigfile. Darn.");
305 log_to_screen("%s/%s not found on live filesystem", bkpinfo->restore_path, biggiestruct.filename);
306 mr_asprintf(tmp, "echo \"%s/%s not found\" >> %s/biggies.changed", bkpinfo->restore_path, biggiestruct.filename, bkpinfo->tmpdir);
307 system(tmp);
308 mr_free(tmp);
309
310 bigfile_num++;
311 slice_num = 0;
312 retval++;
313 } else {
314 slice_num++;
315 }
316 } else {
317 log_it("Unable to open bigfile as restore_path is NULL");
318 }
319 } else if (does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, "")) &&
320 (length_of_file(slice_fname(bigfile_num, slice_num, mountpoint, "")) == 0)) {
321 log_msg(2, "ISO=%d bigfile=%ld ---END---",
322 g_current_media_number, bigfile_num);
323 bigfile_num++;
324 paranoid_fclose(forig);
325 slice_num = 0;
326 } else {
327 log_msg(2, "ISO=%d bigfile=%ld slice=%ld", g_current_media_number, bigfile_num, slice_num);
328 if ((!does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, ""))) && (sz_exe != NULL)) {
329 mr_asprintf(command, "%s -dc %s 2>> %s", sz_exe, slice_fname(bigfile_num, slice_num, mountpoint, bkpinfo->zip_suffix), MONDO_LOGFILE);
330 } else {
331 mr_asprintf(command, "cat %s 2>> %s", slice_fname(bigfile_num, slice_num, mountpoint, ""), MONDO_LOGFILE);
332 }
333 pin = popen(command, "r");
334 mr_free(command);
335 if (pin) {
336 res = 0;
337 while (!feof(pin)) {
338 currsizA = fread(bufblkA, 1, maxbufsize, pin);
339 if (currsizA <= 0) {
340 break;
341 }
342 currsizB = fread(bufblkB, 1, currsizA, forig);
343 if (currsizA != currsizB) {
344 res++;
345 } else {
346 for (j = 0;
347 j < currsizA && bufblkA[j] == bufblkB[j];
348 j++);
349 if (j < currsizA) {
350 res++;
351 }
352 }
353 }
354 paranoid_pclose(pin);
355 if (res && !strncmp(biggiestruct.filename, "/dev/", 5)) {
356 log_msg(3,
357 "Ignoring differences between %s and live filesystem because it's a device and therefore the archives are stored via ntfsclone, not dd.",
358 biggiestruct.filename);
359 log_msg(3,
360 "If you really want verification for %s, please contact the devteam and offer an incentive.",
361 biggiestruct.filename);
362 res = 0;
363 }
364 if (res) {
365 log_msg(0,
366 "afio: \"%s\": Corrupt biggie file, says libmondo-archive.c",
367 biggiestruct.filename);
368 retval++;
369 }
370 }
371 slice_num++;
372 }
373 }
374 mr_free(mountpoint);
375 mr_free(sz_exe);
376
377 last_bigfile_num = bigfile_num;
378 last_slice_num = slice_num - 1;
379 if (last_slice_num < 0) {
380 last_bigfile_num--;
381 }
382 close_evalcall_form();
383 if (bufblkA) {
384 paranoid_free(bufblkA);
385 }
386 if (bufblkB) {
387 paranoid_free(bufblkB);
388 }
389 return (0);
390}
391
392
393
394
395
396
397/**
398 * Verify one afioball from the CD.
399 * You should be changed to the root directory (/) for this to work.
400 * @param bkpinfo The backup information structure. Fields used:
401 * - @c bkpinfo->use_lzo
402 * - @c bkpinfo->tmpdir
403 * - @c bkpinfo->zip_exe
404 * - @c bkpinfo->zip_suffix
405 * @param tarball_fname The filename of the afioball to verify.
406 * @return 0, always.
407 */
408int verify_a_tarball(char *tarball_fname)
409{
410 /*@ buffers ********************************************************* */
411 char *command = NULL;
412 char *outlog = NULL;
413 char *tmp;
414 // char *p;
415
416 /*@ pointers ******************************************************* */
417 FILE *pin;
418
419 /*@ long *********************************************************** */
420 long diffs = 0;
421 /* getcwd(old_pwd,MAX_STR_LEN-1); */
422
423
424 malloc_string(tmp);
425 assert(bkpinfo != NULL);
426 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
427
428 log_it("Verifying fileset '%s'", tarball_fname);
429 mr_asprintf(outlog, "%s/afio.log", bkpinfo->tmpdir);
430 /* if programmer forgot to say which compression thingy to use then find out */
431 if (strstr(tarball_fname, ".lzo") && strcmp(bkpinfo->zip_suffix, "lzo")) {
432 log_msg(2, "OK, I'm going to start using lzop.");
433 mr_free(bkpinfo->zip_exe);
434 mr_asprintf(bkpinfo->zip_exe, "lzop");
435 mr_free(bkpinfo->zip_suffix);
436 mr_asprintf(bkpinfo->zip_suffix, "lzo");
437 bkpinfo->use_lzo = TRUE;
438 bkpinfo->use_gzip = FALSE;
439 bkpinfo->use_lzma = FALSE;
440 }
441 if (strstr(tarball_fname, ".gz") && strcmp(bkpinfo->zip_suffix, "gz")) {
442 log_msg(2, "OK, I'm going to start using gzip.");
443 mr_free(bkpinfo->zip_exe);
444 mr_asprintf(bkpinfo->zip_exe, "gzip");
445 mr_free(bkpinfo->zip_suffix);
446 mr_asprintf(bkpinfo->zip_suffix, "gz");
447 bkpinfo->use_lzo = FALSE;
448 bkpinfo->use_gzip = TRUE;
449 bkpinfo->use_lzma = FALSE;
450 }
451 if (strstr(tarball_fname, ".bz2") && strcmp(bkpinfo->zip_suffix, "bz2")) {
452 log_msg(2, "OK, I'm going to start using bzip2.");
453 mr_free(bkpinfo->zip_exe);
454 mr_asprintf(bkpinfo->zip_exe, "bzip2");
455 mr_free(bkpinfo->zip_suffix);
456 mr_asprintf(bkpinfo->zip_suffix, "bz2");
457 bkpinfo->use_lzo = FALSE;
458 bkpinfo->use_gzip = FALSE;
459 bkpinfo->use_lzma = FALSE;
460 }
461 if (strstr(tarball_fname, ".lzma") && strcmp(bkpinfo->zip_suffix, "lzma")) {
462 log_msg(2, "OK, I'm going to start using lzma.");
463 mr_free(bkpinfo->zip_exe);
464 mr_asprintf(bkpinfo->zip_exe, "lzma");
465 mr_free(bkpinfo->zip_suffix);
466 mr_asprintf(bkpinfo->zip_suffix, "lzma");
467 bkpinfo->use_lzo = FALSE;
468 bkpinfo->use_gzip = FALSE;
469 bkpinfo->use_lzma = TRUE;
470 }
471 if (bkpinfo->zip_exe == NULL) {
472 mr_asprintf(bkpinfo->zip_exe, "none");
473 }
474 if (bkpinfo->zip_suffix == NULL) {
475 mr_asprintf(bkpinfo->zip_suffix, "");
476 }
477 unlink(outlog);
478 if (strstr(tarball_fname, ".star")) {
479 bkpinfo->use_star = TRUE;
480 if (strstr(tarball_fname, ".bz2"))
481 mr_asprintf(command, "star -diff diffopts=mode,size,data file=%s %s >> %s 2>> %s", tarball_fname, (strstr(tarball_fname, ".bz2")) ? "-bz" : " ", outlog, outlog);
482 } else {
483 bkpinfo->use_star = FALSE;
484 /* Here we suppose that there is always a compression program called */
485 if (bkpinfo->zip_exe) {
486 mr_asprintf(command, "afio -r -P %s -Z %s >> %s 2>> %s", bkpinfo->zip_exe, tarball_fname, outlog, outlog);
487 } else {
488 mr_asprintf(command, "afio -r -Z %s >> %s 2>> %s", tarball_fname, outlog, outlog);
489 }
490 }
491 log_msg(6, "command=%s", command);
492 paranoid_system(command);
493 mr_free(command);
494
495 if (length_of_file(outlog) < 10) {
496 mr_asprintf(command, "cat %s >> %s", outlog, MONDO_LOGFILE);
497 } else {
498 mr_asprintf(command, "cut -d: -f%d %s | sort -u", (bkpinfo->use_star) ? 1 : 2, outlog);
499 pin = popen(command, "r");
500 if (pin) {
501 for (fgets(tmp, MAX_STR_LEN, pin); !feof(pin);
502 fgets(tmp, MAX_STR_LEN, pin)) {
503 if (bkpinfo->use_star) {
504 if (!strstr(tmp, "diffopts=")) {
505 while (strlen(tmp) > 0
506 && tmp[strlen(tmp) - 1] < 32) {
507 tmp[strlen(tmp) - 1] = '\0';
508 }
509 if (strchr(tmp, '/')) {
510 if (!diffs) {
511 log_msg(0, "'%s' - differences found",
512 tarball_fname);
513 }
514 log_msg(0, "star: /%s",
515 strip_afio_output_line(tmp));
516 diffs++;
517 }
518 }
519 } else {
520 if (!diffs) {
521 log_msg(0, "'%s' - differences found",
522 tarball_fname);
523 }
524 log_msg(0, "afio: /%s", strip_afio_output_line(tmp));
525 diffs++;
526 }
527 }
528 paranoid_pclose(pin);
529 } else {
530 log_OS_error(command);
531 }
532 }
533 mr_free(command);
534 mr_free(outlog);
535 paranoid_free(tmp);
536 return (0);
537}
538
539
540
541
542
543
544/**
545 * Verify one afioball from the CD.
546 * Checks for existence (calls fatal_error() if it does not exist) and
547 * then calls verify_an_afioball().
548 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
549 * @param tarball_fname The filename of the afioball to verify.
550 * @return The return value of verify_an_afioball().
551 * @see verify_an_afioball
552 */
553int
554verify_an_afioball_from_CD(char *tarball_fname)
555{
556
557 /*@ int ************************************************************* */
558 int res = 0;
559
560 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
561
562 log_msg(1, "Verifying %s", tarball_fname);
563 if (!does_file_exist(tarball_fname)) {
564 fatal_error("Cannot verify nonexistent afioball");
565 }
566 res = verify_a_tarball(tarball_fname);
567 return (res);
568}
569
570
571/**
572 * Verify one afioball from the opened tape/CD stream.
573 * Copies the file from tape to tmpdir and then calls verify_an_afioball().
574 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
575 * @param orig_fname The original filename of the afioball to verify.
576 * @param size The size of the afioball to verify.
577 * @return The return value of verify_an_afioball().
578 * @see verify_an_afioball
579 */
580int
581verify_an_afioball_from_stream(char *orig_fname, long long size)
582{
583
584 /*@ int ************************************************************** */
585 int retval = 0;
586 int res = 0;
587
588 /*@ buffers ********************************************************** */
589 char *tmp = NULL;
590 char *tarball_fname = NULL;
591
592 /*@ pointers ********************************************************* */
593 char *p;
594
595 assert(bkpinfo != NULL);
596 assert_string_is_neither_NULL_nor_zerolength(orig_fname);
597
598 p = strrchr(orig_fname, '/');
599 if (!p) {
600 p = orig_fname;
601 } else {
602 p++;
603 }
604 mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
605 paranoid_system(tmp);
606 mr_free(tmp);
607
608 mr_asprintf(tarball_fname, "%s/tmpfs/temporary-%s", bkpinfo->tmpdir, p);
609 read_file_from_stream_to_file(tarball_fname, size);
610 res = verify_a_tarball(tarball_fname);
611 if (res) {
612 log_msg(0, "Afioball '%s' no longer matches your live filesystem", p);
613 retval++;
614 }
615 unlink(tarball_fname);
616 mr_free(tarball_fname);
617 return (retval);
618}
619
620
621/**
622 * Verify one biggiefile form the opened tape/CD stream.
623 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir is the only field used.
624 * @param biggie_fname The filename of the biggiefile to verify.
625 * @param size The size in bytes of said biggiefile.
626 * @return 0 for success (even if the file doesn't match); nonzero for a tape error.
627 */
628int
629verify_a_biggiefile_from_stream(char *biggie_fname, long long size)
630{
631
632 /*@ int ************************************************************* */
633 int retval = 0;
634 int res = 0;
635 int current_slice_number = 0;
636 int ctrl_chr = '\0';
637
638 /*@ char ************************************************************ */
639 char *test_file = NULL;
640 char *biggie_cksum = NULL;
641 char *orig_cksum = NULL;
642 char *tmp = NULL;
643 char *slice_fnam;
644
645 /*@ pointers ******************************************************** */
646 char *p;
647
648 /*@ long long ******************************************************* */
649 long long slice_siz;
650
651 malloc_string(slice_fnam);
652 assert(bkpinfo != NULL);
653 assert_string_is_neither_NULL_nor_zerolength(biggie_fname);
654
655 p = strrchr(biggie_fname, '/');
656 if (!p) {
657 p = biggie_fname;
658 } else {
659 p++;
660 }
661 mr_asprintf(test_file, "%s/temporary-%s", bkpinfo->tmpdir, p);
662 for (res =
663 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
664 ctrl_chr != BLK_STOP_A_BIGGIE;
665 res =
666 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr)) {
667 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
668 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
669 }
670 res = read_file_from_stream_to_file(test_file, slice_siz);
671 unlink(test_file);
672 res =
673 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
674 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
675 log_msg(2, "test_file = %s", test_file);
676 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
677 }
678 current_slice_number++;
679 retval += res;
680 }
681 mr_asprintf(biggie_cksum, "%s", slice_fnam);
682 if (biggie_cksum[0] != '\0') {
683 mr_asprintf(orig_cksum, "%s", calc_checksum_of_file(biggie_fname));
684 if (strcmp(biggie_cksum, orig_cksum)) {
685 log_msg(2, "orig cksum=%s; curr cksum=%s", biggie_cksum, orig_cksum);
686 log_to_screen("%s has changed on live filesystem", biggie_fname);
687
688 mr_asprintf(tmp, "echo \"%s\" >> %s/biggies.changed", biggie_fname, bkpinfo->tmpdir);
689 system(tmp);
690 mr_free(tmp);
691 }
692 }
693 mr_free(biggie_cksum);
694 mr_free(test_file);
695 mr_free(orig_cksum);
696 paranoid_free(slice_fnam);
697 return (retval);
698}
699
700
701/**
702 * Verify all afioballs from the opened tape/CD stream.
703 * @param bkpinfo The backup information structure. Fields used:
704 * - @c bkpinfo->tmpdir
705 *
706 * @return 0 for success (even if there are differences); nonzero for a tape error.
707 */
708int verify_afioballs_from_stream()
709{
710 /*@ int ********************************************************** */
711 int retval = 0;
712 int res = 0;
713 long current_afioball_number = 0;
714 int ctrl_chr = 0;
715 int total_afioballs = 0;
716
717 /*@ buffers ***************************************************** */
718 char *tmp = NULL;
719 char *fname;
720 char *curr_xattr_list_fname = NULL;
721 char *curr_acl_list_fname = NULL;
722
723 /*@ long long *************************************************** */
724 long long size = 0;
725
726 assert(bkpinfo != NULL);
727 malloc_string(fname);
728
729 if (g_getfattr) {
730 mr_asprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
731 }
732 if (g_getfacl) {
733 mr_asprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
734 }
735 log_to_screen("Verifying regular archives on tape");
736 total_afioballs = get_last_filelist_number() + 1;
737 open_progress_form("Verifying filesystem",
738 "I am verifying archives against your live filesystem now.",
739 "Please wait. This may take a couple of hours.", "",
740 total_afioballs);
741 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
742 if (ctrl_chr != BLK_START_AFIOBALLS) {
743 log_it("YOU SHOULD NOT GET HERE");
744 log_it("Grabbing the EXAT files");
745 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
746 res =
747 read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
748 curr_xattr_list_fname,
749 curr_acl_list_fname);
750 }
751 }
752 if (ctrl_chr != BLK_START_AFIOBALLS) {
753 wrong_marker(BLK_START_AFIOBALLS, ctrl_chr);
754 }
755 if (g_getfattr) {
756 mr_free(curr_xattr_list_fname);
757 }
758 if (g_getfacl) {
759 mr_free(curr_acl_list_fname);
760 }
761
762 for (res = read_header_block_from_stream(&size, fname, &ctrl_chr);
763 ctrl_chr != BLK_STOP_AFIOBALLS;
764 res = read_header_block_from_stream(&size, fname, &ctrl_chr)) {
765 if (g_getfattr) {
766 mr_asprintf(curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ, bkpinfo->tmpdir, current_afioball_number);
767 }
768 if (g_getfacl) {
769 mr_asprintf(curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ, bkpinfo->tmpdir, current_afioball_number);
770 }
771 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
772 log_it("Reading EXAT files from tape");
773 res =
774 read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
775 curr_xattr_list_fname,
776 curr_acl_list_fname);
777 }
778 if (g_getfattr) {
779 mr_free(curr_xattr_list_fname);
780 }
781 if (g_getfacl) {
782 mr_free(curr_acl_list_fname);
783 }
784 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
785 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
786 }
787 mr_asprintf(tmp, "Verifying fileset #%ld", current_afioball_number);
788 update_progress_form(tmp);
789 mr_free(tmp);
790
791 res = verify_an_afioball_from_stream(fname, size);
792 if (res) {
793 log_to_screen("Afioball %ld differs from live filesystem", current_afioball_number);
794 }
795 retval += res;
796 current_afioball_number++;
797 g_current_progress++;
798 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
799 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
800 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
801 }
802 }
803 log_msg(1, "All done with afioballs");
804 close_progress_form();
805 paranoid_free(fname);
806 return (retval);
807}
808
809/**
810 * Verify all biggiefiles on the opened CD/tape stream.
811 * @param bkpinfo The backup information structure. Fields used:
812 * - @c bkpinfo->restore_path
813 * - @c bkpinfo->tmpdir
814 *
815 * @return 0 for success (even if there are differences); nonzero for a tape error.
816 */
817int verify_biggiefiles_from_stream()
818{
819
820 /*@ int ************************************************************ */
821 int retval = 0;
822 int res = 0;
823 int ctrl_chr = 0;
824
825 /*@ long *********************************************************** */
826 long noof_biggiefiles = 0;
827 long current_biggiefile_number = 0;
828
829 /*@ buffers ******************************************************** */
830 char *orig_fname;
831 char *logical_fname = NULL;
832 char *comment = NULL;
833 char *curr_xattr_list_fname = NULL;
834 char *curr_acl_list_fname = NULL;
835 /*@ pointers ******************************************************* */
836 char *p;
837
838 /*@ long long size ************************************************* */
839 long long size = 0;
840
841 assert(bkpinfo != NULL);
842 malloc_string(orig_fname);
843
844 if (g_getfattr) {
845 mr_asprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
846 }
847 if (g_getfacl) {
848 mr_asprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
849 }
850 mr_asprintf(comment, "Verifying all bigfiles.");
851 log_to_screen(comment);
852 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
853 if (ctrl_chr != BLK_START_BIGGIEFILES) {
854 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
855 log_it("Grabbing the EXAT biggiefiles");
856 res =
857 read_EXAT_files_from_tape(&size, orig_fname,
858 &ctrl_chr, curr_xattr_list_fname,
859 curr_acl_list_fname);
860 }
861 }
862 if (g_getfattr) {
863 mr_free(curr_xattr_list_fname);
864 }
865 if (g_getfacl) {
866 mr_free(curr_acl_list_fname);
867 }
868
869 if (ctrl_chr != BLK_START_BIGGIEFILES) {
870 wrong_marker(BLK_START_BIGGIEFILES, ctrl_chr);
871 }
872 noof_biggiefiles = (long) size;
873 log_msg(1, "noof_biggiefiles = %ld", noof_biggiefiles);
874 open_progress_form("Verifying big files", comment,
875 "Please wait. This may take some time.", "",
876 noof_biggiefiles);
877 mr_free(comment);
878
879 for (res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
880 ctrl_chr != BLK_STOP_BIGGIEFILES;
881 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr))
882 {
883 if (ctrl_chr != BLK_START_A_NORMBIGGIE
884 && ctrl_chr != BLK_START_A_PIHBIGGIE) {
885 wrong_marker(BLK_START_A_NORMBIGGIE, ctrl_chr);
886 }
887 p = strrchr(orig_fname, '/');
888 if (!p) {
889 p = orig_fname;
890 } else {
891 p++;
892 }
893 mr_asprintf(comment, "Verifying bigfile #%ld (%ld K)", current_biggiefile_number, (long) size >> 10);
894 update_progress_form(comment);
895 mr_free(comment);
896
897 if (bkpinfo->restore_path) {
898 mr_asprintf(logical_fname, "%s/%s", bkpinfo->restore_path, orig_fname);
899 res = verify_a_biggiefile_from_stream(logical_fname, size);
900 mr_free(logical_fname);
901 retval += res;
902 } else {
903 log_it("Unable to verify bigfile as restore_path is NULL");
904 }
905
906 current_biggiefile_number++;
907 g_current_progress++;
908 }
909 close_progress_form();
910 paranoid_free(orig_fname);
911 return (retval);
912}
913
914/* @} - end of LLverifyGroup */
915
916
917/**
918 * Verify the USB device
919 * @param bkpinfo The backup information structure. Fields used:
920 * - @c bkpinfo->media_device
921 * - @c bkpinfo->tmpdir
922 * - @c bkpinfo->verify_data
923 *
924 * @return 0 for success (even if differences are found), nonzero for failure.
925 * @ingroup verifyGroup
926 */
927int verify_usb_image()
928{
929
930 /*@ int ************************************************************ */
931 int retval = 0;
932
933 /*@ buffers ******************************************************** */
934 char *mountpoint = NULL;
935 char *tmp = NULL;
936 char *tmp1 = NULL;
937 char *fname = NULL;
938 int ret = 0;
939#ifdef __FreeBSD__
940 char mdd[32];
941 char *mddevice = mdd;
942 int vndev = 2;
943#else
944//skip
945#endif
946
947 assert(bkpinfo != NULL);
948
949 if (bkpinfo->media_device == NULL) {
950 return(1);
951 }
952
953 mr_asprintf(fname, "%s1", bkpinfo->media_device);
954 if (is_this_device_mounted(fname)) {
955 log_msg(1, "USB device mounted. Remounting it at the right place");
956 mr_asprintf(tmp, "umount %s", fname);
957 run_program_and_log_output(tmp, FALSE);
958 paranoid_free(tmp);
959 }
960 paranoid_free(fname);
961
962 log_msg(1, "Mounting USB device.");
963 mr_asprintf(mountpoint, "%s/usb", bkpinfo->tmpdir);
964 mr_asprintf(tmp, "mkdir -p %s", mountpoint);
965 run_program_and_log_output(tmp, FALSE);
966 paranoid_free(tmp);
967 /* Mindi always create one single parition on the USB dev */
968 mr_asprintf(tmp, "mount %s1 %s", bkpinfo->media_device, mountpoint);
969 ret = run_program_and_log_output(tmp, FALSE);
970 paranoid_free(tmp);
971 if (ret) {
972 paranoid_free(mountpoint);
973 return(ret);
974 }
975
976 sync();
977 log_msg(2, "OK, I've mounted the USB Disk/Key\n");
978 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
979 if (!does_file_exist(tmp)) {
980 log_msg
981 (2,
982 "This is the last USB device. I am therefore setting bkpinfo->verify_data to FALSE.");
983 bkpinfo->verify_data = FALSE;
984/*
985 (a) It's an easy way to tell the calling subroutine that we've finished &
986 there are no more device to be verified; (b) It stops the post-backup verifier
987 from running after the per-device verifier has run too.
988*/
989 }
990 paranoid_free(tmp);
991 verify_afioballs_on_CD(mountpoint);
992 log_it("before verify_all_slices");
993 verify_all_slices_on_CD(mountpoint);
994
995 mr_asprintf(tmp1, "umount %s", mountpoint);
996#ifdef __FreeBSD__
997 ret += system(tmp1);
998 ret += kick_vn(mddevice);
999 if (ret)
1000#else
1001 if (system(tmp1))
1002#endif
1003 {
1004 log_to_screen("%s failed; unable to unmount USB device\n", tmp1);
1005 retval++;
1006 } else {
1007 log_msg(2, "OK, I've unmounted the USB device\n");
1008 }
1009 mr_free(tmp1);
1010 mr_free(mountpoint);
1011 return (retval);
1012}
1013
1014
1015/**
1016 * Verify the CD indicated by @c g_current_media_number.
1017 * @param bkpinfo The backup information structure. Fields used:
1018 * - @c bkpinfo->isodir
1019 * - @c bkpinfo->prefix
1020 * - @c bkpinfo->manual_cd_tray
1021 * - @c bkpinfo->media_device
1022 * - @c bkpinfo->nfs_remote_dir
1023 * - @c bkpinfo->tmpdir
1024 * - @c bkpinfo->verify_data
1025 *
1026 * @return 0 for success (even if differences are found), nonzero for failure.
1027 * @ingroup verifyGroup
1028 */
1029int verify_cd_image()
1030{
1031
1032 /*@ int ************************************************************ */
1033 int retval = 0;
1034
1035 /*@ buffers ******************************************************** */
1036 char *mountpoint = NULL;
1037 char *command = NULL;
1038 char *tmp = NULL;
1039 char *fname = NULL;
1040#ifdef __FreeBSD__
1041 char mdd[32];
1042 char *mddevice = mdd;
1043 int ret = 0;
1044 int vndev = 2;
1045#else
1046//skip
1047#endif
1048
1049 assert(bkpinfo != NULL);
1050
1051 if (bkpinfo->media_device == NULL) {
1052 return(1);
1053 }
1054
1055 mr_asprintf(mountpoint, "%s/cdrom", bkpinfo->tmpdir);
1056 if (((bkpinfo->isodir == NULL) && (bkpinfo->nfs_remote_dir == NULL)) || (bkpinfo->prefix == NULL)) {
1057 fatal_error("No iso filename preparation possible");
1058 }
1059 if (bkpinfo->nfs_remote_dir) {
1060 // NFS
1061 mr_asprintf(fname, "%s/%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->nfs_remote_dir, bkpinfo->prefix, g_current_media_number);
1062 } else {
1063 // ISO
1064 mr_asprintf(fname, "%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->prefix, g_current_media_number);
1065 }
1066
1067 mkdir(mountpoint, 1777);
1068 sync();
1069 if (!does_file_exist(fname)) {
1070 log_msg(2, "%s not found; assuming you backed up to CD; verifying CD...", fname);
1071 if (bkpinfo->manual_cd_tray) {
1072 popup_and_OK("Please push CD tray closed.");
1073 }
1074 if (find_and_mount_actual_cd(mountpoint)) {
1075 log_to_screen("failed to mount actual CD");
1076 mr_free(mountpoint);
1077 mr_free(fname);
1078 return (1);
1079 }
1080 } else {
1081 log_msg(2, "%s found; verifying ISO...", fname);
1082#ifdef __FreeBSD__
1083 ret = 0;
1084 vndev = 2;
1085 mddevice = make_vn(fname);
1086 if (ret) {
1087 log_to_screen("make_vn of %s failed; unable to verify ISO\n", fname);
1088 mr_free(mountpoint);
1089 mr_free(fname);
1090 return (1);
1091 }
1092 mr_asprintf(command, "mount_cd9660 %s %s", mddevice, mountpoint);
1093#else
1094 mr_asprintf(command, "mount -o loop,ro -t iso9660 %s %s", fname, mountpoint);
1095#endif
1096 if (run_program_and_log_output(command, FALSE)) {
1097 log_to_screen("%s failed; unable to mount ISO image\n", command);
1098 mr_free(mountpoint);
1099 mr_free(command);
1100 mr_free(fname);
1101 return (1);
1102 }
1103 mr_free(command);
1104 }
1105 log_msg(2, "OK, I've mounted the ISO/CD\n");
1106 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
1107 if (!does_file_exist(tmp)) {
1108 log_msg
1109 (2,
1110 "This is the last CD. I am therefore setting bkpinfo->verify_data to FALSE.");
1111 bkpinfo->verify_data = FALSE;
1112/*
1113 (a) It's an easy way to tell the calling subroutine that we've finished &
1114 there are no more CD's to be verified; (b) It stops the post-backup verifier
1115 from running after the per-CD verifier has run too.
1116*/
1117 }
1118 mr_free(tmp);
1119
1120 verify_afioballs_on_CD(mountpoint);
1121 log_it("before verify_all_slices");
1122 verify_all_slices_on_CD(mountpoint);
1123
1124#ifdef __FreeBSD__
1125 ret = 0;
1126 mr_asprintf(command, "umount %s", mountpoint);
1127 ret += system(command);
1128 ret += kick_vn(mddevice);
1129 if (ret) {
1130#else
1131 mr_asprintf(command, "umount %s", mountpoint);
1132 if (system(command)) {
1133#endif
1134 log_to_screen("%s failed; unable to unmount ISO image\n", command);
1135
1136 retval++;
1137 } else {
1138 log_msg(2, "OK, I've unmounted the ISO file\n");
1139 }
1140 mr_free(mountpoint);
1141 mr_free(command);
1142
1143 if (!does_file_exist(fname)) {
1144 mr_asprintf(command, "umount %s", bkpinfo->media_device);
1145 run_program_and_log_output(command, 2);
1146 mr_free(command);
1147
1148 if (!bkpinfo->please_dont_eject && eject_device(bkpinfo->media_device)) {
1149 log_msg(2, "Failed to eject CD-ROM drive");
1150 }
1151 }
1152 mr_free(fname);
1153 return (retval);
1154}
1155
1156/**
1157 * Verify all backups on tape.
1158 * This should be done after the backup process has already closed the tape.
1159 * @param bkpinfo The backup information structure. Passed to various helper functions.
1160 * @return 0 for success (even if thee were differences), nonzero for failure.
1161 * @ingroup verifyGroup
1162 */
1163int verify_tape_backups()
1164{
1165
1166 /*@ int ************************************************************ */
1167 int retval = 0;
1168
1169 /*@ buffers ******************************************************** */
1170 char *tmp = NULL;
1171 char *changed_files_fname = NULL;
1172
1173 /*@ long *********************************************************** */
1174 long diffs = 0;
1175
1176 assert(bkpinfo != NULL);
1177
1178 log_msg(3, "verify_tape_backups --- starting");
1179 log_to_screen("Verifying backups");
1180 openin_tape();
1181/* verify archives themselves */
1182 retval += verify_afioballs_from_stream();
1183 retval += verify_biggiefiles_from_stream();
1184/* find the final blocks */
1185 paranoid_system("sync");
1186 sleep(2);
1187 closein_tape();
1188/* close tape; exit */
1189// fclose(g_tape_stream); <-- not needed; is handled by closein_tape()
1190 mr_asprintf(tmp, "rm -f %s/biggies.changed %s/changed.files 2> /dev/null", bkpinfo->tmpdir, bkpinfo->tmpdir);
1191 paranoid_system(tmp);
1192 mr_free(tmp);
1193
1194 mr_asprintf(changed_files_fname, "%s/changed.files", bkpinfo->tmpdir);
1195 mr_asprintf(tmp, "grep -E '^%s:.*$' %s | cut -d'\"' -f2 | sort -u | awk '{print \"/\"$0;};' | tr -s '/' '/' | grep -v \"(total of\" | grep -v \"incheckentry.*xwait\" | grep -vE '^/afio:.*$' | grep -vE '^dev/.*$' > %s", (bkpinfo->use_star) ? "star" : "afio", MONDO_LOGFILE, changed_files_fname);
1196 log_msg(2, "Running command to derive list of changed files");
1197 log_msg(2, tmp);
1198 if (system(tmp)) {
1199 if (does_file_exist(changed_files_fname) && length_of_file(changed_files_fname) > 2) {
1200 log_to_screen("Warning - unable to check logfile to derive list of changed files");
1201 } else {
1202 log_to_screen("No differences found. Therefore, no 'changed.files' text file.");
1203 }
1204 }
1205 mr_free(tmp);
1206
1207 mr_asprintf(tmp, "cat %s/biggies.changed >> %s", bkpinfo->tmpdir, changed_files_fname);
1208 paranoid_system(tmp);
1209 mr_free(tmp);
1210
1211 diffs = count_lines_in_file(changed_files_fname);
1212 if (diffs > 0) {
1213 mr_asprintf(tmp, "cp -f %s %s/changed.files", changed_files_fname, MONDO_CACHE);
1214 run_program_and_log_output(tmp, FALSE);
1215 mr_free(tmp);
1216
1217 log_msg(0, "%ld files differed from live filesystem; type less %s or less %s/changed.files to see", diffs, changed_files_fname, MONDO_CACHE);
1218 log_to_screen("See "MONDO_CACHE"/changed.files for a list of nonmatching files.");
1219 log_to_screen("The files probably changed on filesystem, not on backup media.");
1220 }
1221 mr_free(changed_files_fname);
1222 return (retval);
1223}
1224
1225
1226
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