source: MondoRescue/branches/3.3/mondo/src/common/libmondo-verify.c@ 3860

Last change on this file since 3860 was 3830, checked in by Bruno Cornec, 2 years ago

manages zip_exe and zip_suffix dynamically
  • Property svn:keywords set to Id
File size: 35.6 KB
Line 
1/***************************************************************************
2$Id: libmondo-verify.c 3830 2024-03-04 16:33:57Z 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 3830 2024-03-04 16:33:57Z 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 // handle slices until end of CD
285 if (slice_num == 0) {
286 log_msg(2, "ISO=%d bigfile=%ld --START--", g_current_media_number, bigfile_num);
287 if (! (fin = fopen(slice_fname(bigfile_num, slice_num, mountpoint, ""), "r"))) {
288 log_msg(2, "Cannot open bigfile's info file");
289 } else {
290 if (fread ((void *) &biggiestruct, 1, sizeof(biggiestruct), fin) < sizeof(biggiestruct)) {
291 log_msg(2, "Unable to get biggiestruct");
292 }
293 paranoid_fclose(fin);
294 }
295 if (bkpinfo->restore_path != NULL) {
296 mr_asprintf(tmp, "%s/%s", bkpinfo->restore_path, biggiestruct.filename);
297 log_msg(2, "Opening biggiefile #%ld - '%s'", bigfile_num, tmp);
298 forig = fopen(tmp, "r");
299 mr_free(tmp);
300
301 if (!forig) {
302 log_msg(2, "Failed to open bigfile. Darn.");
303 log_to_screen("%s/%s not found on live filesystem", bkpinfo->restore_path, biggiestruct.filename);
304 mr_asprintf(tmp, "echo \"%s/%s not found\" >> %s/biggies.changed", bkpinfo->restore_path, biggiestruct.filename, bkpinfo->tmpdir);
305 paranoid_system(tmp);
306 mr_free(tmp);
307
308 bigfile_num++;
309 slice_num = 0;
310 retval++;
311 } else {
312 slice_num++;
313 }
314 } else {
315 log_it("Unable to open bigfile as restore_path is NULL");
316 }
317 } else if (does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, "")) &&
318 (length_of_file(slice_fname(bigfile_num, slice_num, mountpoint, "")) == 0)) {
319 log_msg(2, "ISO=%d bigfile=%ld ---END---",
320 g_current_media_number, bigfile_num);
321 bigfile_num++;
322 paranoid_fclose(forig);
323 slice_num = 0;
324 } else {
325 log_msg(2, "ISO=%d bigfile=%ld slice=%ld", g_current_media_number, bigfile_num, slice_num);
326 if ((!does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, ""))) && (sz_exe != NULL)) {
327 mr_asprintf(command, "%s -dc %s 2>> %s", sz_exe, slice_fname(bigfile_num, slice_num, mountpoint, bkpinfo->zip_suffix), MONDO_LOGFILE);
328 } else {
329 mr_asprintf(command, "cat %s 2>> %s", slice_fname(bigfile_num, slice_num, mountpoint, ""), MONDO_LOGFILE);
330 }
331 pin = popen(command, "r");
332 mr_free(command);
333 if (pin) {
334 res = 0;
335 while (!feof(pin)) {
336 currsizA = fread(bufblkA, 1, maxbufsize, pin);
337 if (currsizA <= 0) {
338 break;
339 }
340 currsizB = fread(bufblkB, 1, currsizA, forig);
341 if (currsizA != currsizB) {
342 res++;
343 } else {
344 for (j = 0;
345 j < currsizA && bufblkA[j] == bufblkB[j];
346 j++);
347 if (j < currsizA) {
348 res++;
349 }
350 }
351 }
352 paranoid_pclose(pin);
353 if (res && !strncmp(biggiestruct.filename, "/dev/", 5)) {
354 log_msg(3,
355 "Ignoring differences between %s and live filesystem because it's a device and therefore the archives are stored via ntfsclone, not dd.",
356 biggiestruct.filename);
357 log_msg(3,
358 "If you really want verification for %s, please contact the devteam and offer an incentive.",
359 biggiestruct.filename);
360 res = 0;
361 }
362 if (res) {
363 log_msg(0,
364 "afio: \"%s\": Corrupt biggie file, says libmondo-archive.c",
365 biggiestruct.filename);
366 retval++;
367 }
368 }
369 slice_num++;
370 }
371 }
372 mr_free(mountpoint);
373 mr_free(sz_exe);
374
375 last_bigfile_num = bigfile_num;
376 last_slice_num = slice_num - 1;
377 if (last_slice_num < 0) {
378 last_bigfile_num--;
379 }
380 close_evalcall_form();
381 if (bufblkA) {
382 paranoid_free(bufblkA);
383 }
384 if (bufblkB) {
385 paranoid_free(bufblkB);
386 }
387 return (0);
388}
389
390
391
392
393
394
395/**
396 * Verify one afioball from the CD.
397 * You should be changed to the root directory (/) for this to work.
398 * @param bkpinfo The backup information structure. Fields used:
399 * - @c bkpinfo->use_lzo
400 * - @c bkpinfo->tmpdir
401 * - @c bkpinfo->zip_exe
402 * - @c bkpinfo->zip_suffix
403 * @param tarball_fname The filename of the afioball to verify.
404 * @return 0, always.
405 */
406int verify_a_tarball(char *tarball_fname)
407{
408 /*@ buffers ********************************************************* */
409 char *command = NULL;
410 char *outlog = NULL;
411 char *tmp = NULL;
412
413 /*@ pointers ******************************************************* */
414 FILE *pin;
415
416 /*@ long *********************************************************** */
417 long diffs = 0;
418
419 assert(bkpinfo != NULL);
420 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
421
422 log_it("Verifying fileset '%s'", tarball_fname);
423 mr_asprintf(outlog, "%s/afio.log", bkpinfo->tmpdir);
424 /* if programmer forgot to say which compression thingy to use then find out */
425 if (strstr(tarball_fname, ".lzo") && strcmp(bkpinfo->zip_suffix, "lzo")) {
426 log_msg(2, "OK, I'm going to start using lzop.");
427 mr_free(bkpinfo->zip_exe);
428 mr_free(bkpinfo->zip_suffix);
429 mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
430 mr_asprintf(bkpinfo->zip_suffix, "%s", "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 mr_free(bkpinfo->zip_exe);
438 mr_free(bkpinfo->zip_suffix);
439 mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
440 mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
441 bkpinfo->use_lzo = FALSE;
442 bkpinfo->use_gzip = TRUE;
443 bkpinfo->use_lzma = FALSE;
444 }
445 if (strstr(tarball_fname, ".bz2") && strcmp(bkpinfo->zip_suffix, "bz2")) {
446 log_msg(2, "OK, I'm going to start using bzip2.");
447 mr_free(bkpinfo->zip_exe);
448 mr_free(bkpinfo->zip_suffix);
449 mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
450 mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
451 bkpinfo->use_lzo = FALSE;
452 bkpinfo->use_gzip = FALSE;
453 bkpinfo->use_lzma = FALSE;
454 }
455 if (strstr(tarball_fname, ".xz") && strcmp(bkpinfo->zip_suffix, "xz")) {
456 log_msg(2, "OK, I'm going to start using lzma.");
457 mr_free(bkpinfo->zip_exe);
458 mr_free(bkpinfo->zip_suffix);
459 mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
460 mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
461 bkpinfo->use_lzo = FALSE;
462 bkpinfo->use_gzip = FALSE;
463 bkpinfo->use_lzma = TRUE;
464 }
465 // As suffix is used even when no compression make it non-NULL
466 if (bkpinfo->zip_suffix == NULL) {
467 mr_asprintf(bkpinfo->zip_suffix, "%s", "");
468 }
469 unlink(outlog);
470 if (strstr(tarball_fname, ".star")) {
471 bkpinfo->use_star = TRUE;
472 if (strstr(tarball_fname, ".bz2"))
473 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);
474 } else {
475 bkpinfo->use_star = FALSE;
476 /* Here we suppose that there is always a compression program called */
477 if (bkpinfo->zip_exe) {
478 mr_asprintf(command, "afio -r -P %s -Z %s >> %s 2>> %s", bkpinfo->zip_exe, tarball_fname, outlog, outlog);
479 } else {
480 mr_asprintf(command, "afio -r -Z %s >> %s 2>> %s", tarball_fname, outlog, outlog);
481 }
482 }
483 log_msg(6, "command=%s", command);
484 paranoid_system(command);
485 mr_free(command);
486
487 if (length_of_file(outlog) < 10) {
488 mr_asprintf(command, "cat %s >> %s", outlog, MONDO_LOGFILE);
489 } else {
490 mr_asprintf(command, "cut -d: -f%d %s | sort -u", (bkpinfo->use_star) ? 1 : 2, outlog);
491 pin = popen(command, "r");
492 if (pin) {
493 for (mr_getline(tmp, pin); !feof(pin); mr_getline(tmp, pin)) {
494 if (bkpinfo->use_star) {
495 if (!strstr(tmp, "diffopts=")) {
496 while (strlen(tmp) > 0 && tmp[strlen(tmp) - 1] < 32) {
497 tmp[strlen(tmp) - 1] = '\0';
498 }
499 if (strchr(tmp, '/')) {
500 if (!diffs) {
501 log_msg(0, "'%s' - differences found", tarball_fname);
502 }
503 log_msg(0, "star: /%s", strip_afio_output_line(tmp));
504 diffs++;
505 }
506 }
507 } else {
508 if (!diffs) {
509 log_msg(0, "'%s' - differences found", tarball_fname);
510 }
511 log_msg(0, "afio: /%s", strip_afio_output_line(tmp));
512 diffs++;
513 }
514 mr_free(tmp);
515 }
516 mr_free(tmp);
517 paranoid_pclose(pin);
518 } else {
519 log_OS_error(command);
520 }
521 }
522 mr_free(command);
523 mr_free(outlog);
524 return (0);
525}
526
527
528
529
530
531
532/**
533 * Verify one afioball from the CD.
534 * Checks for existence (calls fatal_error() if it does not exist) and
535 * then calls verify_an_afioball().
536 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
537 * @param tarball_fname The filename of the afioball to verify.
538 * @return The return value of verify_an_afioball().
539 * @see verify_an_afioball
540 */
541int
542verify_an_afioball_from_CD(char *tarball_fname)
543{
544
545 /*@ int ************************************************************* */
546 int res = 0;
547
548 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
549
550 log_msg(1, "Verifying %s", tarball_fname);
551 if (!does_file_exist(tarball_fname)) {
552 fatal_error("Cannot verify nonexistent afioball");
553 }
554 res = verify_a_tarball(tarball_fname);
555 return (res);
556}
557
558
559/**
560 * Verify one afioball from the opened tape/CD stream.
561 * Copies the file from tape to tmpdir and then calls verify_an_afioball().
562 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
563 * @param orig_fname The original filename of the afioball to verify.
564 * @param size The size of the afioball to verify.
565 * @return The return value of verify_an_afioball().
566 * @see verify_an_afioball
567 */
568int
569verify_an_afioball_from_stream(char *orig_fname, long long size)
570{
571
572 /*@ int ************************************************************** */
573 int retval = 0;
574 int res = 0;
575
576 /*@ buffers ********************************************************** */
577 char *tmp = NULL;
578 char *tarball_fname = NULL;
579
580 /*@ pointers ********************************************************* */
581 char *p;
582
583 assert(bkpinfo != NULL);
584 assert_string_is_neither_NULL_nor_zerolength(orig_fname);
585
586 p = strrchr(orig_fname, '/');
587 if (!p) {
588 p = orig_fname;
589 } else {
590 p++;
591 }
592 mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
593 paranoid_system(tmp);
594 mr_free(tmp);
595
596 mr_asprintf(tarball_fname, "%s/tmpfs/temporary-%s", bkpinfo->tmpdir, p);
597 read_file_from_stream_to_file(tarball_fname, size);
598 res = verify_a_tarball(tarball_fname);
599 if (res) {
600 log_msg(0, "Afioball '%s' no longer matches your live filesystem", p);
601 retval++;
602 }
603 unlink(tarball_fname);
604 mr_free(tarball_fname);
605 return (retval);
606}
607
608
609/**
610 * Verify one biggiefile form the opened tape/CD stream.
611 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir is the only field used.
612 * @param biggie_fname The filename of the biggiefile to verify.
613 * @param size The size in bytes of said biggiefile.
614 * @return 0 for success (even if the file doesn't match); nonzero for a tape error.
615 */
616int
617verify_a_biggiefile_from_stream(char *biggie_fname, long long size)
618{
619
620 /*@ int ************************************************************* */
621 int retval = 0;
622 int res = 0;
623 int current_slice_number = 0;
624 int ctrl_chr = '\0';
625
626 /*@ char ************************************************************ */
627 char *test_file = NULL;
628 char *biggie_cksum = NULL;
629 char *orig_cksum = NULL;
630 char *tmp = NULL;
631 char *slice_fnam = NULL;
632
633 /*@ pointers ******************************************************** */
634 char *p;
635
636 /*@ long long ******************************************************* */
637 long long slice_siz;
638
639 malloc_string(slice_fnam);
640 assert(bkpinfo != NULL);
641 assert_string_is_neither_NULL_nor_zerolength(biggie_fname);
642
643 p = strrchr(biggie_fname, '/');
644 if (!p) {
645 p = biggie_fname;
646 } else {
647 p++;
648 }
649 mr_asprintf(test_file, "%s/temporary-%s", bkpinfo->tmpdir, p);
650 for (res =
651 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
652 ctrl_chr != BLK_STOP_A_BIGGIE;
653 res =
654 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr)) {
655 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
656 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
657 }
658 res = read_file_from_stream_to_file(test_file, slice_siz);
659 unlink(test_file);
660 res =
661 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
662 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
663 log_msg(2, "test_file = %s", test_file);
664 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
665 }
666 current_slice_number++;
667 retval += res;
668 }
669 mr_asprintf(biggie_cksum, "%s", slice_fnam);
670 if (biggie_cksum[0] != '\0') {
671 mr_asprintf(orig_cksum, "%s", calc_checksum_of_file(biggie_fname));
672 if (strcmp(biggie_cksum, orig_cksum)) {
673 log_msg(2, "orig cksum=%s; curr cksum=%s", biggie_cksum, orig_cksum);
674 log_to_screen("%s has changed on live filesystem", biggie_fname);
675
676 mr_asprintf(tmp, "echo \"%s\" >> %s/biggies.changed", biggie_fname, bkpinfo->tmpdir);
677 paranoid_system(tmp);
678 mr_free(tmp);
679 }
680 mr_free(orig_cksum);
681 }
682 mr_free(biggie_cksum);
683 mr_free(test_file);
684 paranoid_free(slice_fnam);
685 return (retval);
686}
687
688
689/**
690 * Verify all afioballs from the opened tape/CD stream.
691 * @param bkpinfo The backup information structure. Fields used:
692 * - @c bkpinfo->tmpdir
693 *
694 * @return 0 for success (even if there are differences); nonzero for a tape error.
695 */
696int verify_afioballs_from_stream()
697{
698 /*@ int ********************************************************** */
699 int retval = 0;
700 int res = 0;
701 long current_afioball_number = 0;
702 int ctrl_chr = 0;
703 int total_afioballs = 0;
704
705 /*@ buffers ***************************************************** */
706 char *tmp = NULL;
707 char *fname;
708 char *curr_xattr_list_fname;
709 char *curr_acl_list_fname;
710
711 /*@ long long *************************************************** */
712 long long size = 0;
713
714 assert(bkpinfo != NULL);
715 malloc_string(fname);
716 malloc_string(curr_xattr_list_fname);
717 malloc_string(curr_acl_list_fname);
718
719 if (g_getfattr) {
720 sprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ,
721 bkpinfo->tmpdir);
722 }
723 if (g_getfacl) {
724 sprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ,
725 bkpinfo->tmpdir);
726 }
727 log_to_screen("Verifying regular archives on tape");
728 total_afioballs = get_last_filelist_number() + 1;
729 open_progress_form("Verifying filesystem",
730 "I am verifying archives against your live filesystem now.",
731 "Please wait. This may take a couple of hours.", "",
732 total_afioballs);
733 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
734 if (ctrl_chr != BLK_START_AFIOBALLS) {
735 log_it("YOU SHOULD NOT GET HERE");
736 log_it("Grabbing the EXAT files");
737 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
738 res = read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
739 curr_xattr_list_fname,
740 curr_acl_list_fname);
741 }
742 }
743 if (ctrl_chr != BLK_START_AFIOBALLS) {
744 wrong_marker(BLK_START_AFIOBALLS, ctrl_chr);
745 }
746
747 for (res = read_header_block_from_stream(&size, fname, &ctrl_chr);
748 ctrl_chr != BLK_STOP_AFIOBALLS;
749 res = read_header_block_from_stream(&size, fname, &ctrl_chr)) {
750 if (g_getfattr) {
751 sprintf(curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ,
752 bkpinfo->tmpdir, current_afioball_number);
753 }
754 if (g_getfacl) {
755 sprintf(curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ,
756 bkpinfo->tmpdir, current_afioball_number);
757 }
758 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
759 log_it("Reading EXAT files from tape");
760 res = read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
761 curr_xattr_list_fname,
762 curr_acl_list_fname);
763 }
764 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
765 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
766 }
767 mr_asprintf(tmp, "Verifying fileset #%ld", current_afioball_number);
768 update_progress_form(tmp);
769 mr_free(tmp);
770
771 res = verify_an_afioball_from_stream(fname, size);
772 if (res) {
773 log_to_screen("Afioball %ld differs from live filesystem", current_afioball_number);
774 }
775 retval += res;
776 current_afioball_number++;
777 g_current_progress++;
778 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
779 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
780 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
781 }
782 }
783 log_msg(1, "All done with afioballs");
784 close_progress_form();
785 paranoid_free(fname);
786 paranoid_free(curr_xattr_list_fname);
787 paranoid_free(curr_acl_list_fname);
788 return (retval);
789}
790
791/**
792 * Verify all biggiefiles on the opened CD/tape stream.
793 * @param bkpinfo The backup information structure. Fields used:
794 * - @c bkpinfo->restore_path
795 * - @c bkpinfo->tmpdir
796 *
797 * @return 0 for success (even if there are differences); nonzero for a tape error.
798 */
799int verify_biggiefiles_from_stream()
800{
801
802 /*@ int ************************************************************ */
803 int retval = 0;
804 int res = 0;
805 int ctrl_chr = 0;
806
807 /*@ long *********************************************************** */
808 long noof_biggiefiles = 0;
809 long current_biggiefile_number = 0;
810
811 /*@ buffers ******************************************************** */
812 char *orig_fname;
813 char *logical_fname = NULL;
814 char *comment = NULL;
815 char *curr_xattr_list_fname = NULL;
816 char *curr_acl_list_fname = NULL;
817 /*@ pointers ******************************************************* */
818 char *p;
819
820 /*@ long long size ************************************************* */
821 long long size = 0;
822
823 assert(bkpinfo != NULL);
824 malloc_string(orig_fname);
825 malloc_string(curr_xattr_list_fname);
826 malloc_string(curr_acl_list_fname);
827
828 if (g_getfattr) {
829 sprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ,
830 bkpinfo->tmpdir);
831 }
832 if (g_getfacl) {
833 sprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ,
834 bkpinfo->tmpdir);
835 }
836 mr_asprintf(comment, "Verifying all bigfiles.");
837 log_to_screen(comment);
838 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
839 if (ctrl_chr != BLK_START_BIGGIEFILES) {
840 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
841 log_it("Grabbing the EXAT biggiefiles");
842 res = read_EXAT_files_from_tape(&size, orig_fname,
843 &ctrl_chr, curr_xattr_list_fname,
844 curr_acl_list_fname);
845 }
846 }
847 if (ctrl_chr != BLK_START_BIGGIEFILES) {
848 wrong_marker(BLK_START_BIGGIEFILES, ctrl_chr);
849 }
850 noof_biggiefiles = (long) size;
851 log_msg(1, "noof_biggiefiles = %ld", noof_biggiefiles);
852 open_progress_form("Verifying big files", comment,
853 "Please wait. This may take some time.", "",
854 noof_biggiefiles);
855 mr_free(comment);
856
857 for (res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
858 ctrl_chr != BLK_STOP_BIGGIEFILES;
859 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr))
860 {
861 if (ctrl_chr != BLK_START_A_NORMBIGGIE
862 && ctrl_chr != BLK_START_A_PIHBIGGIE) {
863 wrong_marker(BLK_START_A_NORMBIGGIE, ctrl_chr);
864 }
865 p = strrchr(orig_fname, '/');
866 if (!p) {
867 p = orig_fname;
868 } else {
869 p++;
870 }
871 mr_asprintf(comment, "Verifying bigfile #%ld (%ld K)", current_biggiefile_number, (long) size >> 10);
872 update_progress_form(comment);
873 mr_free(comment);
874
875 if (bkpinfo->restore_path != NULL) {
876 mr_asprintf(logical_fname, "%s/%s", bkpinfo->restore_path, orig_fname);
877 res = verify_a_biggiefile_from_stream(logical_fname, size);
878 mr_free(logical_fname);
879 retval += res;
880 } else {
881 log_it("Unable to verify bigfile as restore_path is NULL");
882 }
883
884 current_biggiefile_number++;
885 g_current_progress++;
886 }
887 close_progress_form();
888 paranoid_free(orig_fname);
889 paranoid_free(curr_xattr_list_fname);
890 paranoid_free(curr_acl_list_fname);
891 return (retval);
892}
893
894/* @} - end of LLverifyGroup */
895
896
897/**
898 * Verify the USB device
899 * @param bkpinfo The backup information structure. Fields used:
900 * - @c bkpinfo->media_device
901 * - @c bkpinfo->tmpdir
902 * - @c bkpinfo->verify_data
903 *
904 * @return 0 for success (even if differences are found), nonzero for failure.
905 * @ingroup verifyGroup
906 */
907int verify_usb_image()
908{
909
910 /*@ int ************************************************************ */
911 int retval = 0;
912
913 /*@ buffers ******************************************************** */
914 char *mountpoint = NULL;
915 char *tmp = NULL;
916 char *tmp1 = NULL;
917 char *fname = NULL;
918 int ret = 0;
919#ifdef __FreeBSD__
920 char mdd[32];
921 char *mddevice = mdd;
922 int vndev = 2;
923#else
924//skip
925#endif
926
927 assert(bkpinfo != NULL);
928
929 if (bkpinfo->media_device == NULL) {
930 return(1);
931 }
932
933 mr_asprintf(fname, "%s1", bkpinfo->media_device);
934 if (is_this_device_mounted(fname)) {
935 log_msg(1, "USB device mounted. Remounting it at the right place");
936 mr_asprintf(tmp, "umount %s", fname);
937 run_program_and_log_output(tmp, FALSE);
938 paranoid_free(tmp);
939 }
940 paranoid_free(fname);
941
942 log_msg(1, "Mounting USB device.");
943 mr_asprintf(mountpoint, "%s/usb", bkpinfo->tmpdir);
944 mr_asprintf(tmp, "mkdir -p %s", mountpoint);
945 run_program_and_log_output(tmp, FALSE);
946 paranoid_free(tmp);
947 /* Mindi always create one single parition on the USB dev */
948 mr_asprintf(tmp, "mount %s1 %s", bkpinfo->media_device, mountpoint);
949 ret = run_program_and_log_output(tmp, FALSE);
950 paranoid_free(tmp);
951 if (ret) {
952 paranoid_free(mountpoint);
953 return(ret);
954 }
955
956 sync();
957 log_msg(2, "OK, I've mounted the USB Disk/Key");
958 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
959 if (!does_file_exist(tmp)) {
960 log_msg
961 (2,
962 "This is the last USB device. I am therefore setting bkpinfo->verify_data to FALSE.");
963 bkpinfo->verify_data = FALSE;
964/*
965 (a) It's an easy way to tell the calling subroutine that we've finished &
966 there are no more device to be verified; (b) It stops the post-backup verifier
967 from running after the per-device verifier has run too.
968*/
969 }
970 paranoid_free(tmp);
971 verify_afioballs_on_CD(mountpoint);
972 log_it("before verify_all_slices");
973 verify_all_slices_on_CD(mountpoint);
974
975 mr_asprintf(tmp1, "umount -d %s", mountpoint);
976#ifdef __FreeBSD__
977 ret += system(tmp1);
978 ret += kick_vn(mddevice);
979 if (ret)
980#else
981 if (system(tmp1))
982#endif
983 {
984 log_to_screen("%s failed; unable to unmount USB device\n", tmp1);
985 retval++;
986 } else {
987 log_msg(2, "OK, I've unmounted the USB device");
988 }
989 mr_free(tmp1);
990 mr_free(mountpoint);
991 return (retval);
992}
993
994
995/**
996 * Verify the CD indicated by @c g_current_media_number.
997 * @param bkpinfo The backup information structure. Fields used:
998 * - @c bkpinfo->isodir
999 * - @c bkpinfo->prefix
1000 * - @c bkpinfo->manual_cd_tray
1001 * - @c bkpinfo->media_device
1002 * - @c bkpinfo->netfs_remote_dir
1003 * - @c bkpinfo->tmpdir
1004 * - @c bkpinfo->verify_data
1005 *
1006 * @return 0 for success (even if differences are found), nonzero for failure.
1007 * @ingroup verifyGroup
1008 */
1009int verify_cd_image()
1010{
1011
1012 /*@ int ************************************************************ */
1013 int retval = 0;
1014
1015 /*@ buffers ******************************************************** */
1016 char *mountpoint = NULL;
1017 char *command = NULL;
1018 char *tmp = NULL;
1019 char *fname = NULL;
1020#ifdef __FreeBSD__
1021 char mdd[32];
1022 char *mddevice = mdd;
1023 int ret = 0;
1024 int vndev = 2;
1025#else
1026//skip
1027#endif
1028
1029 assert(bkpinfo != NULL);
1030
1031 if (bkpinfo->media_device == NULL) {
1032 return(1);
1033 }
1034
1035 mr_asprintf(mountpoint, "%s/cdrom", bkpinfo->tmpdir);
1036 if (((bkpinfo->isodir == NULL) && (bkpinfo->netfs_remote_dir == NULL)) || (bkpinfo->prefix == NULL)) {
1037 fatal_error("No iso filename preparation possible");
1038 }
1039 if (bkpinfo->netfs_remote_dir != NULL) {
1040 // NETFS
1041 mr_asprintf(fname, "%s/%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->netfs_remote_dir, bkpinfo->prefix, g_current_media_number);
1042 } else {
1043 // ISO
1044 mr_asprintf(fname, "%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->prefix, g_current_media_number);
1045 }
1046
1047 mkdir(mountpoint, 1777);
1048 sync();
1049 if (!does_file_exist(fname)) {
1050 log_msg(2, "%s not found; assuming you backed up to CD; verifying CD...", fname);
1051 if (bkpinfo->manual_cd_tray) {
1052 popup_and_OK("Please push CD tray closed.");
1053 }
1054 if (find_and_mount_actual_cd(mountpoint)) {
1055 log_to_screen("failed to mount actual CD");
1056 mr_free(mountpoint);
1057 mr_free(fname);
1058 return (1);
1059 }
1060 } else {
1061 log_msg(2, "%s found; verifying ISO...", fname);
1062#ifdef __FreeBSD__
1063 ret = 0;
1064 vndev = 2;
1065 mddevice = make_vn(fname);
1066 if (ret) {
1067 log_to_screen("make_vn of %s failed; unable to verify ISO\n", fname);
1068 mr_free(mountpoint);
1069 mr_free(fname);
1070 return (1);
1071 }
1072 mr_asprintf(command, "mount_cd9660 %s %s", mddevice, mountpoint);
1073#else
1074 mr_asprintf(command, "mount -o loop,ro -t iso9660 %s %s", fname, mountpoint);
1075#endif
1076 if (run_program_and_log_output(command, FALSE)) {
1077 log_to_screen("%s failed; unable to mount ISO image\n", command);
1078 mr_free(mountpoint);
1079 mr_free(command);
1080 mr_free(fname);
1081 return (1);
1082 }
1083 mr_free(command);
1084 }
1085 log_msg(2, "OK, I've mounted the ISO/CD");
1086 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
1087 if (!does_file_exist(tmp)) {
1088 log_msg
1089 (2,
1090 "This is the last CD. I am therefore setting bkpinfo->verify_data to FALSE.");
1091 bkpinfo->verify_data = FALSE;
1092/*
1093 (a) It's an easy way to tell the calling subroutine that we've finished &
1094 there are no more CD's to be verified; (b) It stops the post-backup verifier
1095 from running after the per-CD verifier has run too.
1096*/
1097 }
1098 mr_free(tmp);
1099
1100 verify_afioballs_on_CD(mountpoint);
1101 log_it("before verify_all_slices");
1102 verify_all_slices_on_CD(mountpoint);
1103
1104#ifdef __FreeBSD__
1105 ret = 0;
1106 mr_asprintf(command, "umount -d %s", mountpoint);
1107 ret += system(command);
1108 ret += kick_vn(mddevice);
1109 if (ret) {
1110#else
1111 mr_asprintf(command, "umount -d %s", mountpoint);
1112 if (system(command)) {
1113#endif
1114 log_to_screen("%s failed; unable to unmount ISO image\n", command);
1115
1116 retval++;
1117 } else {
1118 log_msg(2, "OK, I've unmounted the ISO file");
1119 }
1120 mr_free(mountpoint);
1121 mr_free(command);
1122
1123 if (!does_file_exist(fname)) {
1124 mr_asprintf(command, "umount -d %s", bkpinfo->media_device);
1125 run_program_and_log_output(command, 2);
1126 mr_free(command);
1127
1128 if (!bkpinfo->please_dont_eject && eject_device(bkpinfo->media_device)) {
1129 log_msg(2, "Failed to eject CD-ROM drive");
1130 }
1131 }
1132 mr_free(fname);
1133 return (retval);
1134}
1135
1136/**
1137 * Verify all backups on tape.
1138 * This should be done after the backup process has already closed the tape.
1139 * @param bkpinfo The backup information structure. Passed to various helper functions.
1140 * @return 0 for success (even if thee were differences), nonzero for failure.
1141 * @ingroup verifyGroup
1142 */
1143int verify_tape_backups()
1144{
1145
1146 /*@ int ************************************************************ */
1147 int retval = 0;
1148
1149 /*@ buffers ******************************************************** */
1150 char *tmp = NULL;
1151 char *changed_files_fname = NULL;
1152
1153 /*@ long *********************************************************** */
1154 long diffs = 0;
1155
1156 assert(bkpinfo != NULL);
1157
1158 log_msg(3, "verify_tape_backups --- starting");
1159 log_to_screen("Verifying backups");
1160 openin_tape();
1161/* verify archives themselves */
1162 retval += verify_afioballs_from_stream();
1163 retval += verify_biggiefiles_from_stream();
1164/* find the final blocks */
1165 sync();
1166 sleep(2);
1167 closein_tape();
1168/* close tape; exit */
1169// fclose(g_tape_stream); <-- not needed; is handled by closein_tape()
1170 mr_asprintf(tmp, "rm -f %s/biggies.changed %s/changed.files 2> /dev/null", bkpinfo->tmpdir, bkpinfo->tmpdir);
1171 paranoid_system(tmp);
1172 mr_free(tmp);
1173
1174 mr_asprintf(changed_files_fname, "%s/changed.files", bkpinfo->tmpdir);
1175 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);
1176 log_msg(2, "Running command to derive list of changed files");
1177 log_msg(2, tmp);
1178 if (system(tmp)) {
1179 if (does_file_exist(changed_files_fname) && length_of_file(changed_files_fname) > 2) {
1180 log_to_screen("Warning - unable to check logfile to derive list of changed files");
1181 } else {
1182 log_to_screen("No differences found. Therefore, no 'changed.files' text file.");
1183 }
1184 }
1185 mr_free(tmp);
1186
1187 mr_asprintf(tmp, "cat %s/biggies.changed >> %s", bkpinfo->tmpdir, changed_files_fname);
1188 paranoid_system(tmp);
1189 mr_free(tmp);
1190
1191 diffs = count_lines_in_file(changed_files_fname);
1192 if (diffs > 0) {
1193 mr_asprintf(tmp, "cp -f %s %s/changed.files", changed_files_fname, MONDO_CACHE);
1194 run_program_and_log_output(tmp, FALSE);
1195 mr_free(tmp);
1196
1197 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);
1198 log_to_screen("See "MONDO_CACHE"/changed.files for a list of nonmatching files.");
1199 log_to_screen("The files probably changed on filesystem, not on backup media.");
1200 }
1201 mr_free(changed_files_fname);
1202 return (retval);
1203}
1204
1205
1206
Note: See TracBrowser for help on using the repository browser.