source: MondoRescue/branches/3.2/mondo/src/common/libmondo-verify.c@ 3613

Last change on this file since 3613 was 3613, checked in by Bruno Cornec, 7 years ago

Add function mr_getcwd and use it to allow use o dynamically allocated memory
instead of getcwd

  • Property svn:keywords set to Id
File size: 35.3 KB
Line 
1/***************************************************************************
2$Id: libmondo-verify.c 3613 2016-11-18 16:31:42Z 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 3613 2016-11-18 16:31:42Z 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 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, "Weird error in verify_afioballs_on_CD() but it's really a cosmetic error, nothing more");
164 } else {
165 retval++;
166 log_to_screen("Warning - missing set(s) between %d and %d\n", g_last_afioball_number, set_number - 1);
167 }
168 }
169 mds = media_descriptor_string(bkpinfo->backup_media_type);
170 mr_asprintf(tmp, "Verifying %s #%d's tarballs", mds, g_current_media_number);
171 mr_free(mds);
172
173 open_evalcall_form(tmp);
174 mr_free(tmp);
175
176 for (total_sets = set_number;
177 does_file_exist(vfy_tball_fname(mountpoint, total_sets));
178 total_sets++) {
179 log_msg(1, "total_sets = %d", total_sets);
180 }
181 for (;
182 does_file_exist(vfy_tball_fname(mountpoint, set_number));
183 set_number++) {
184 percentage =
185 (set_number - g_last_afioball_number) * 100 / (total_sets -
186 g_last_afioball_number);
187 update_evalcall_form(percentage);
188 log_msg(1, "set = %d", set_number);
189 retval +=
190 verify_an_afioball_from_CD(vfy_tball_fname(mountpoint, set_number));
191 }
192 g_last_afioball_number = set_number - 1;
193 close_evalcall_form();
194 return (retval);
195}
196
197/**
198 * Verify all slices stored on the inserted CD (or a mounted ISO image).
199 * @param bkpinfo The backup information structure. Fields used:
200 * - @c compression_level
201 * - @c restore_path
202 * - @c use_lzo
203 * - @c zip_exe
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 paranoid_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 = NULL;
414
415 /*@ pointers ******************************************************* */
416 FILE *pin;
417
418 /*@ long *********************************************************** */
419 long diffs = 0;
420
421 assert(bkpinfo != NULL);
422 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
423
424 log_it("Verifying fileset '%s'", tarball_fname);
425 mr_asprintf(outlog, "%s/afio.log", bkpinfo->tmpdir);
426 /* if programmer forgot to say which compression thingy to use then find out */
427 if (strstr(tarball_fname, ".lzo") && strcmp(bkpinfo->zip_suffix, "lzo")) {
428 log_msg(2, "OK, I'm going to start using lzop.");
429 strcpy(bkpinfo->zip_exe, "lzop");
430 strcpy(bkpinfo->zip_suffix, "lzo");
431 bkpinfo->use_lzo = TRUE;
432 bkpinfo->use_gzip = FALSE;
433 bkpinfo->use_lzma = FALSE;
434 }
435 if (strstr(tarball_fname, ".gz") && strcmp(bkpinfo->zip_suffix, "gz")) {
436 log_msg(2, "OK, I'm going to start using gzip.");
437 strcpy(bkpinfo->zip_exe, "gzip");
438 strcpy(bkpinfo->zip_suffix, "gz");
439 bkpinfo->use_lzo = FALSE;
440 bkpinfo->use_gzip = TRUE;
441 bkpinfo->use_lzma = FALSE;
442 }
443 if (strstr(tarball_fname, ".bz2") && strcmp(bkpinfo->zip_suffix, "bz2")) {
444 log_msg(2, "OK, I'm going to start using bzip2.");
445 strcpy(bkpinfo->zip_exe, "bzip2");
446 strcpy(bkpinfo->zip_suffix, "bz2");
447 bkpinfo->use_lzo = FALSE;
448 bkpinfo->use_gzip = FALSE;
449 bkpinfo->use_lzma = FALSE;
450 }
451 if (strstr(tarball_fname, ".lzma") && strcmp(bkpinfo->zip_suffix, "lzma")) {
452 log_msg(2, "OK, I'm going to start using lzma.");
453 strcpy(bkpinfo->zip_exe, "lzma");
454 strcpy(bkpinfo->zip_suffix, "lzma");
455 bkpinfo->use_lzo = FALSE;
456 bkpinfo->use_gzip = FALSE;
457 bkpinfo->use_lzma = TRUE;
458 }
459 if (bkpinfo->zip_exe == NULL) {
460 strcpy(bkpinfo->zip_exe, "none");
461 }
462 if (bkpinfo->zip_suffix == NULL) {
463 strcpy(bkpinfo->zip_suffix, "");
464 }
465 unlink(outlog);
466 if (strstr(tarball_fname, ".star")) {
467 bkpinfo->use_star = TRUE;
468 if (strstr(tarball_fname, ".bz2"))
469 mr_asprintf(command, "star -sparse -diff diffopts=mode,size,data file=%s %s >> %s 2>> %s", tarball_fname, (strstr(tarball_fname, ".bz2")) ? "-bz" : " ", outlog, outlog);
470 } else {
471 bkpinfo->use_star = FALSE;
472 /* Here we suppose that there is always a compression program called */
473 if (bkpinfo->zip_exe) {
474 mr_asprintf(command, "afio -r -P %s -Z %s >> %s 2>> %s", bkpinfo->zip_exe, tarball_fname, outlog, outlog);
475 } else {
476 mr_asprintf(command, "afio -r -Z %s >> %s 2>> %s", tarball_fname, outlog, outlog);
477 }
478 }
479 log_msg(6, "command=%s", command);
480 paranoid_system(command);
481 mr_free(command);
482
483 if (length_of_file(outlog) < 10) {
484 mr_asprintf(command, "cat %s >> %s", outlog, MONDO_LOGFILE);
485 } else {
486 mr_asprintf(command, "cut -d: -f%d %s | sort -u", (bkpinfo->use_star) ? 1 : 2, outlog);
487 pin = popen(command, "r");
488 if (pin) {
489 for (mr_getline(tmp, pin); !feof(pin); mr_getline(tmp, pin)) {
490 if (bkpinfo->use_star) {
491 if (!strstr(tmp, "diffopts=")) {
492 while (strlen(tmp) > 0 && tmp[strlen(tmp) - 1] < 32) {
493 tmp[strlen(tmp) - 1] = '\0';
494 }
495 if (strchr(tmp, '/')) {
496 if (!diffs) {
497 log_msg(0, "'%s' - differences found", tarball_fname);
498 }
499 log_msg(0, "star: /%s", strip_afio_output_line(tmp));
500 diffs++;
501 }
502 }
503 } else {
504 if (!diffs) {
505 log_msg(0, "'%s' - differences found", tarball_fname);
506 }
507 log_msg(0, "afio: /%s", strip_afio_output_line(tmp));
508 diffs++;
509 }
510 mr_free(tmp);
511 }
512 mr_free(tmp);
513 paranoid_pclose(pin);
514 } else {
515 log_OS_error(command);
516 }
517 }
518 mr_free(command);
519 mr_free(outlog);
520 return (0);
521}
522
523
524
525
526
527
528/**
529 * Verify one afioball from the CD.
530 * Checks for existence (calls fatal_error() if it does not exist) and
531 * then calls verify_an_afioball().
532 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
533 * @param tarball_fname The filename of the afioball to verify.
534 * @return The return value of verify_an_afioball().
535 * @see verify_an_afioball
536 */
537int
538verify_an_afioball_from_CD(char *tarball_fname)
539{
540
541 /*@ int ************************************************************* */
542 int res = 0;
543
544 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
545
546 log_msg(1, "Verifying %s", tarball_fname);
547 if (!does_file_exist(tarball_fname)) {
548 fatal_error("Cannot verify nonexistent afioball");
549 }
550 res = verify_a_tarball(tarball_fname);
551 return (res);
552}
553
554
555/**
556 * Verify one afioball from the opened tape/CD stream.
557 * Copies the file from tape to tmpdir and then calls verify_an_afioball().
558 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
559 * @param orig_fname The original filename of the afioball to verify.
560 * @param size The size of the afioball to verify.
561 * @return The return value of verify_an_afioball().
562 * @see verify_an_afioball
563 */
564int
565verify_an_afioball_from_stream(char *orig_fname, long long size)
566{
567
568 /*@ int ************************************************************** */
569 int retval = 0;
570 int res = 0;
571
572 /*@ buffers ********************************************************** */
573 char *tmp = NULL;
574 char *tarball_fname = NULL;
575
576 /*@ pointers ********************************************************* */
577 char *p;
578
579 assert(bkpinfo != NULL);
580 assert_string_is_neither_NULL_nor_zerolength(orig_fname);
581
582 p = strrchr(orig_fname, '/');
583 if (!p) {
584 p = orig_fname;
585 } else {
586 p++;
587 }
588 mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
589 paranoid_system(tmp);
590 mr_free(tmp);
591
592 mr_asprintf(tarball_fname, "%s/tmpfs/temporary-%s", bkpinfo->tmpdir, p);
593 read_file_from_stream_to_file(tarball_fname, size);
594 res = verify_a_tarball(tarball_fname);
595 if (res) {
596 log_msg(0, "Afioball '%s' no longer matches your live filesystem", p);
597 retval++;
598 }
599 unlink(tarball_fname);
600 mr_free(tarball_fname);
601 return (retval);
602}
603
604
605/**
606 * Verify one biggiefile form the opened tape/CD stream.
607 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir is the only field used.
608 * @param biggie_fname The filename of the biggiefile to verify.
609 * @param size The size in bytes of said biggiefile.
610 * @return 0 for success (even if the file doesn't match); nonzero for a tape error.
611 */
612int
613verify_a_biggiefile_from_stream(char *biggie_fname, long long size)
614{
615
616 /*@ int ************************************************************* */
617 int retval = 0;
618 int res = 0;
619 int current_slice_number = 0;
620 int ctrl_chr = '\0';
621
622 /*@ char ************************************************************ */
623 char *test_file = NULL;
624 char *biggie_cksum = NULL;
625 char *orig_cksum = NULL;
626 char *tmp = NULL;
627 char *slice_fnam = NULL;
628
629 /*@ pointers ******************************************************** */
630 char *p;
631
632 /*@ long long ******************************************************* */
633 long long slice_siz;
634
635 malloc_string(slice_fnam);
636 assert(bkpinfo != NULL);
637 assert_string_is_neither_NULL_nor_zerolength(biggie_fname);
638
639 p = strrchr(biggie_fname, '/');
640 if (!p) {
641 p = biggie_fname;
642 } else {
643 p++;
644 }
645 mr_asprintf(test_file, "%s/temporary-%s", bkpinfo->tmpdir, p);
646 for (res =
647 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
648 ctrl_chr != BLK_STOP_A_BIGGIE;
649 res =
650 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr)) {
651 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
652 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
653 }
654 res = read_file_from_stream_to_file(test_file, slice_siz);
655 unlink(test_file);
656 res =
657 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
658 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
659 log_msg(2, "test_file = %s", test_file);
660 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
661 }
662 current_slice_number++;
663 retval += res;
664 }
665 mr_asprintf(biggie_cksum, "%s", slice_fnam);
666 if (biggie_cksum[0] != '\0') {
667 mr_asprintf(orig_cksum, "%s", calc_checksum_of_file(biggie_fname));
668 if (strcmp(biggie_cksum, orig_cksum)) {
669 log_msg(2, "orig cksum=%s; curr cksum=%s", biggie_cksum, orig_cksum);
670 log_to_screen("%s has changed on live filesystem", biggie_fname);
671
672 mr_asprintf(tmp, "echo \"%s\" >> %s/biggies.changed", biggie_fname, bkpinfo->tmpdir);
673 paranoid_system(tmp);
674 mr_free(tmp);
675 }
676 mr_free(orig_cksum);
677 }
678 mr_free(biggie_cksum);
679 mr_free(test_file);
680 paranoid_free(slice_fnam);
681 return (retval);
682}
683
684
685/**
686 * Verify all afioballs from the opened tape/CD stream.
687 * @param bkpinfo The backup information structure. Fields used:
688 * - @c bkpinfo->tmpdir
689 *
690 * @return 0 for success (even if there are differences); nonzero for a tape error.
691 */
692int verify_afioballs_from_stream()
693{
694 /*@ int ********************************************************** */
695 int retval = 0;
696 int res = 0;
697 long current_afioball_number = 0;
698 int ctrl_chr = 0;
699 int total_afioballs = 0;
700
701 /*@ buffers ***************************************************** */
702 char *tmp = NULL;
703 char *fname;
704 char *curr_xattr_list_fname;
705 char *curr_acl_list_fname;
706
707 /*@ long long *************************************************** */
708 long long size = 0;
709
710 assert(bkpinfo != NULL);
711 malloc_string(fname);
712 malloc_string(curr_xattr_list_fname);
713 malloc_string(curr_acl_list_fname);
714
715 if (g_getfattr) {
716 sprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ,
717 bkpinfo->tmpdir);
718 }
719 if (g_getfacl) {
720 sprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ,
721 bkpinfo->tmpdir);
722 }
723 log_to_screen("Verifying regular archives on tape");
724 total_afioballs = get_last_filelist_number() + 1;
725 open_progress_form("Verifying filesystem",
726 "I am verifying archives against your live filesystem now.",
727 "Please wait. This may take a couple of hours.", "",
728 total_afioballs);
729 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
730 if (ctrl_chr != BLK_START_AFIOBALLS) {
731 log_it("YOU SHOULD NOT GET HERE");
732 log_it("Grabbing the EXAT files");
733 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
734 res = read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
735 curr_xattr_list_fname,
736 curr_acl_list_fname);
737 }
738 }
739 if (ctrl_chr != BLK_START_AFIOBALLS) {
740 wrong_marker(BLK_START_AFIOBALLS, ctrl_chr);
741 }
742
743 for (res = read_header_block_from_stream(&size, fname, &ctrl_chr);
744 ctrl_chr != BLK_STOP_AFIOBALLS;
745 res = read_header_block_from_stream(&size, fname, &ctrl_chr)) {
746 if (g_getfattr) {
747 sprintf(curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ,
748 bkpinfo->tmpdir, current_afioball_number);
749 }
750 if (g_getfacl) {
751 sprintf(curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ,
752 bkpinfo->tmpdir, current_afioball_number);
753 }
754 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
755 log_it("Reading EXAT files from tape");
756 res = read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
757 curr_xattr_list_fname,
758 curr_acl_list_fname);
759 }
760 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
761 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
762 }
763 mr_asprintf(tmp, "Verifying fileset #%ld", current_afioball_number);
764 update_progress_form(tmp);
765 mr_free(tmp);
766
767 res = verify_an_afioball_from_stream(fname, size);
768 if (res) {
769 log_to_screen("Afioball %ld differs from live filesystem", current_afioball_number);
770 }
771 retval += res;
772 current_afioball_number++;
773 g_current_progress++;
774 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
775 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
776 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
777 }
778 }
779 log_msg(1, "All done with afioballs");
780 close_progress_form();
781 paranoid_free(fname);
782 paranoid_free(curr_xattr_list_fname);
783 paranoid_free(curr_acl_list_fname);
784 return (retval);
785}
786
787/**
788 * Verify all biggiefiles on the opened CD/tape stream.
789 * @param bkpinfo The backup information structure. Fields used:
790 * - @c bkpinfo->restore_path
791 * - @c bkpinfo->tmpdir
792 *
793 * @return 0 for success (even if there are differences); nonzero for a tape error.
794 */
795int verify_biggiefiles_from_stream()
796{
797
798 /*@ int ************************************************************ */
799 int retval = 0;
800 int res = 0;
801 int ctrl_chr = 0;
802
803 /*@ long *********************************************************** */
804 long noof_biggiefiles = 0;
805 long current_biggiefile_number = 0;
806
807 /*@ buffers ******************************************************** */
808 char *orig_fname;
809 char *logical_fname = NULL;
810 char *comment = NULL;
811 char *curr_xattr_list_fname = NULL;
812 char *curr_acl_list_fname = NULL;
813 /*@ pointers ******************************************************* */
814 char *p;
815
816 /*@ long long size ************************************************* */
817 long long size = 0;
818
819 assert(bkpinfo != NULL);
820 malloc_string(orig_fname);
821 malloc_string(curr_xattr_list_fname);
822 malloc_string(curr_acl_list_fname);
823
824 if (g_getfattr) {
825 sprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ,
826 bkpinfo->tmpdir);
827 }
828 if (g_getfacl) {
829 sprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ,
830 bkpinfo->tmpdir);
831 }
832 mr_asprintf(comment, "Verifying all bigfiles.");
833 log_to_screen(comment);
834 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
835 if (ctrl_chr != BLK_START_BIGGIEFILES) {
836 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
837 log_it("Grabbing the EXAT biggiefiles");
838 res = read_EXAT_files_from_tape(&size, orig_fname,
839 &ctrl_chr, curr_xattr_list_fname,
840 curr_acl_list_fname);
841 }
842 }
843 if (ctrl_chr != BLK_START_BIGGIEFILES) {
844 wrong_marker(BLK_START_BIGGIEFILES, ctrl_chr);
845 }
846 noof_biggiefiles = (long) size;
847 log_msg(1, "noof_biggiefiles = %ld", noof_biggiefiles);
848 open_progress_form("Verifying big files", comment,
849 "Please wait. This may take some time.", "",
850 noof_biggiefiles);
851 mr_free(comment);
852
853 for (res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
854 ctrl_chr != BLK_STOP_BIGGIEFILES;
855 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr))
856 {
857 if (ctrl_chr != BLK_START_A_NORMBIGGIE
858 && ctrl_chr != BLK_START_A_PIHBIGGIE) {
859 wrong_marker(BLK_START_A_NORMBIGGIE, ctrl_chr);
860 }
861 p = strrchr(orig_fname, '/');
862 if (!p) {
863 p = orig_fname;
864 } else {
865 p++;
866 }
867 mr_asprintf(comment, "Verifying bigfile #%ld (%ld K)", current_biggiefile_number, (long) size >> 10);
868 update_progress_form(comment);
869 mr_free(comment);
870
871 if (bkpinfo->restore_path) {
872 mr_asprintf(logical_fname, "%s/%s", bkpinfo->restore_path, orig_fname);
873 res = verify_a_biggiefile_from_stream(logical_fname, size);
874 mr_free(logical_fname);
875 retval += res;
876 } else {
877 log_it("Unable to verify bigfile as restore_path is NULL");
878 }
879
880 current_biggiefile_number++;
881 g_current_progress++;
882 }
883 close_progress_form();
884 paranoid_free(orig_fname);
885 paranoid_free(curr_xattr_list_fname);
886 paranoid_free(curr_acl_list_fname);
887 return (retval);
888}
889
890/* @} - end of LLverifyGroup */
891
892
893/**
894 * Verify the USB device
895 * @param bkpinfo The backup information structure. Fields used:
896 * - @c bkpinfo->media_device
897 * - @c bkpinfo->tmpdir
898 * - @c bkpinfo->verify_data
899 *
900 * @return 0 for success (even if differences are found), nonzero for failure.
901 * @ingroup verifyGroup
902 */
903int verify_usb_image()
904{
905
906 /*@ int ************************************************************ */
907 int retval = 0;
908
909 /*@ buffers ******************************************************** */
910 char *mountpoint = NULL;
911 char *tmp = NULL;
912 char *tmp1 = NULL;
913 char *fname = NULL;
914 int ret = 0;
915#ifdef __FreeBSD__
916 char mdd[32];
917 char *mddevice = mdd;
918 int vndev = 2;
919#else
920//skip
921#endif
922
923 assert(bkpinfo != NULL);
924
925 if (bkpinfo->media_device == NULL) {
926 return(1);
927 }
928
929 mr_asprintf(fname, "%s1", bkpinfo->media_device);
930 if (is_this_device_mounted(fname)) {
931 log_msg(1, "USB device mounted. Remounting it at the right place");
932 mr_asprintf(tmp, "umount %s", fname);
933 run_program_and_log_output(tmp, FALSE);
934 paranoid_free(tmp);
935 }
936 paranoid_free(fname);
937
938 log_msg(1, "Mounting USB device.");
939 mr_asprintf(mountpoint, "%s/usb", bkpinfo->tmpdir);
940 mr_asprintf(tmp, "mkdir -p %s", mountpoint);
941 run_program_and_log_output(tmp, FALSE);
942 paranoid_free(tmp);
943 /* Mindi always create one single parition on the USB dev */
944 mr_asprintf(tmp, "mount %s1 %s", bkpinfo->media_device, mountpoint);
945 ret = run_program_and_log_output(tmp, FALSE);
946 paranoid_free(tmp);
947 if (ret) {
948 paranoid_free(mountpoint);
949 return(ret);
950 }
951
952 sync();
953 log_msg(2, "OK, I've mounted the USB Disk/Key");
954 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
955 if (!does_file_exist(tmp)) {
956 log_msg
957 (2,
958 "This is the last USB device. I am therefore setting bkpinfo->verify_data to FALSE.");
959 bkpinfo->verify_data = FALSE;
960/*
961 (a) It's an easy way to tell the calling subroutine that we've finished &
962 there are no more device to be verified; (b) It stops the post-backup verifier
963 from running after the per-device verifier has run too.
964*/
965 }
966 paranoid_free(tmp);
967 verify_afioballs_on_CD(mountpoint);
968 log_it("before verify_all_slices");
969 verify_all_slices_on_CD(mountpoint);
970
971 mr_asprintf(tmp1, "umount -d %s", mountpoint);
972#ifdef __FreeBSD__
973 ret += system(tmp1);
974 ret += kick_vn(mddevice);
975 if (ret)
976#else
977 if (system(tmp1))
978#endif
979 {
980 log_to_screen("%s failed; unable to unmount USB device\n", tmp1);
981 retval++;
982 } else {
983 log_msg(2, "OK, I've unmounted the USB device");
984 }
985 mr_free(tmp1);
986 mr_free(mountpoint);
987 return (retval);
988}
989
990
991/**
992 * Verify the CD indicated by @c g_current_media_number.
993 * @param bkpinfo The backup information structure. Fields used:
994 * - @c bkpinfo->isodir
995 * - @c bkpinfo->prefix
996 * - @c bkpinfo->manual_cd_tray
997 * - @c bkpinfo->media_device
998 * - @c bkpinfo->netfs_remote_dir
999 * - @c bkpinfo->tmpdir
1000 * - @c bkpinfo->verify_data
1001 *
1002 * @return 0 for success (even if differences are found), nonzero for failure.
1003 * @ingroup verifyGroup
1004 */
1005int verify_cd_image()
1006{
1007
1008 /*@ int ************************************************************ */
1009 int retval = 0;
1010
1011 /*@ buffers ******************************************************** */
1012 char *mountpoint = NULL;
1013 char *command = NULL;
1014 char *tmp = NULL;
1015 char *fname = NULL;
1016#ifdef __FreeBSD__
1017 char mdd[32];
1018 char *mddevice = mdd;
1019 int ret = 0;
1020 int vndev = 2;
1021#else
1022//skip
1023#endif
1024
1025 assert(bkpinfo != NULL);
1026
1027 if (bkpinfo->media_device == NULL) {
1028 return(1);
1029 }
1030
1031 mr_asprintf(mountpoint, "%s/cdrom", bkpinfo->tmpdir);
1032 if (((bkpinfo->isodir == NULL) && (bkpinfo->netfs_remote_dir == NULL)) || (bkpinfo->prefix == NULL)) {
1033 fatal_error("No iso filename preparation possible");
1034 }
1035 if (bkpinfo->netfs_remote_dir != NULL) {
1036 // NETFS
1037 mr_asprintf(fname, "%s/%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->netfs_remote_dir, bkpinfo->prefix, g_current_media_number);
1038 } else {
1039 // ISO
1040 mr_asprintf(fname, "%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->prefix, g_current_media_number);
1041 }
1042
1043 mkdir(mountpoint, 1777);
1044 sync();
1045 if (!does_file_exist(fname)) {
1046 log_msg(2, "%s not found; assuming you backed up to CD; verifying CD...", fname);
1047 if (bkpinfo->manual_cd_tray) {
1048 popup_and_OK("Please push CD tray closed.");
1049 }
1050 if (find_and_mount_actual_cd(mountpoint)) {
1051 log_to_screen("failed to mount actual CD");
1052 mr_free(mountpoint);
1053 mr_free(fname);
1054 return (1);
1055 }
1056 } else {
1057 log_msg(2, "%s found; verifying ISO...", fname);
1058#ifdef __FreeBSD__
1059 ret = 0;
1060 vndev = 2;
1061 mddevice = make_vn(fname);
1062 if (ret) {
1063 log_to_screen("make_vn of %s failed; unable to verify ISO\n", fname);
1064 mr_free(mountpoint);
1065 mr_free(fname);
1066 return (1);
1067 }
1068 mr_asprintf(command, "mount_cd9660 %s %s", mddevice, mountpoint);
1069#else
1070 mr_asprintf(command, "mount -o loop,ro -t iso9660 %s %s", fname, mountpoint);
1071#endif
1072 if (run_program_and_log_output(command, FALSE)) {
1073 log_to_screen("%s failed; unable to mount ISO image\n", command);
1074 mr_free(mountpoint);
1075 mr_free(command);
1076 mr_free(fname);
1077 return (1);
1078 }
1079 mr_free(command);
1080 }
1081 log_msg(2, "OK, I've mounted the ISO/CD");
1082 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
1083 if (!does_file_exist(tmp)) {
1084 log_msg
1085 (2,
1086 "This is the last CD. I am therefore setting bkpinfo->verify_data to FALSE.");
1087 bkpinfo->verify_data = FALSE;
1088/*
1089 (a) It's an easy way to tell the calling subroutine that we've finished &
1090 there are no more CD's to be verified; (b) It stops the post-backup verifier
1091 from running after the per-CD verifier has run too.
1092*/
1093 }
1094 mr_free(tmp);
1095
1096 verify_afioballs_on_CD(mountpoint);
1097 log_it("before verify_all_slices");
1098 verify_all_slices_on_CD(mountpoint);
1099
1100#ifdef __FreeBSD__
1101 ret = 0;
1102 mr_asprintf(command, "umount -d %s", mountpoint);
1103 ret += system(command);
1104 ret += kick_vn(mddevice);
1105 if (ret) {
1106#else
1107 mr_asprintf(command, "umount -d %s", mountpoint);
1108 if (system(command)) {
1109#endif
1110 log_to_screen("%s failed; unable to unmount ISO image\n", command);
1111
1112 retval++;
1113 } else {
1114 log_msg(2, "OK, I've unmounted the ISO file");
1115 }
1116 mr_free(mountpoint);
1117 mr_free(command);
1118
1119 if (!does_file_exist(fname)) {
1120 mr_asprintf(command, "umount -d %s", bkpinfo->media_device);
1121 run_program_and_log_output(command, 2);
1122 mr_free(command);
1123
1124 if (!bkpinfo->please_dont_eject && eject_device(bkpinfo->media_device)) {
1125 log_msg(2, "Failed to eject CD-ROM drive");
1126 }
1127 }
1128 mr_free(fname);
1129 return (retval);
1130}
1131
1132/**
1133 * Verify all backups on tape.
1134 * This should be done after the backup process has already closed the tape.
1135 * @param bkpinfo The backup information structure. Passed to various helper functions.
1136 * @return 0 for success (even if thee were differences), nonzero for failure.
1137 * @ingroup verifyGroup
1138 */
1139int verify_tape_backups()
1140{
1141
1142 /*@ int ************************************************************ */
1143 int retval = 0;
1144
1145 /*@ buffers ******************************************************** */
1146 char *tmp = NULL;
1147 char *changed_files_fname = NULL;
1148
1149 /*@ long *********************************************************** */
1150 long diffs = 0;
1151
1152 assert(bkpinfo != NULL);
1153
1154 log_msg(3, "verify_tape_backups --- starting");
1155 log_to_screen("Verifying backups");
1156 openin_tape();
1157/* verify archives themselves */
1158 retval += verify_afioballs_from_stream();
1159 retval += verify_biggiefiles_from_stream();
1160/* find the final blocks */
1161 sync();
1162 sleep(2);
1163 closein_tape();
1164/* close tape; exit */
1165// fclose(g_tape_stream); <-- not needed; is handled by closein_tape()
1166 mr_asprintf(tmp, "rm -f %s/biggies.changed %s/changed.files 2> /dev/null", bkpinfo->tmpdir, bkpinfo->tmpdir);
1167 paranoid_system(tmp);
1168 mr_free(tmp);
1169
1170 mr_asprintf(changed_files_fname, "%s/changed.files", bkpinfo->tmpdir);
1171 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);
1172 log_msg(2, "Running command to derive list of changed files");
1173 log_msg(2, tmp);
1174 if (system(tmp)) {
1175 if (does_file_exist(changed_files_fname) && length_of_file(changed_files_fname) > 2) {
1176 log_to_screen("Warning - unable to check logfile to derive list of changed files");
1177 } else {
1178 log_to_screen("No differences found. Therefore, no 'changed.files' text file.");
1179 }
1180 }
1181 mr_free(tmp);
1182
1183 mr_asprintf(tmp, "cat %s/biggies.changed >> %s", bkpinfo->tmpdir, changed_files_fname);
1184 paranoid_system(tmp);
1185 mr_free(tmp);
1186
1187 diffs = count_lines_in_file(changed_files_fname);
1188 if (diffs > 0) {
1189 mr_asprintf(tmp, "cp -f %s %s/changed.files", changed_files_fname, MONDO_CACHE);
1190 run_program_and_log_output(tmp, FALSE);
1191 mr_free(tmp);
1192
1193 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);
1194 log_to_screen("See "MONDO_CACHE"/changed.files for a list of nonmatching files.");
1195 log_to_screen("The files probably changed on filesystem, not on backup media.");
1196 }
1197 mr_free(changed_files_fname);
1198 return (retval);
1199}
1200
1201
1202
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