source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-verify.c@ 2334

Last change on this file since 2334 was 2334, checked in by Bruno Cornec, 15 years ago

r3369@localhost: bruno | 2009-08-18 16:57:27 +0200

  • Transform bout 100 strcpy in dyn. allocation. Quality is improving
  • function figure_out_kernel_path_interactively_if_necessary now return a dynamically allocated string
  • mondoarchive checked with valgrind in text an newt modes
  • Property svn:keywords set to Id
File size: 35.2 KB
Line 
1/***************************************************************************
2$Id: libmondo-verify.c 2334 2009-08-18 15:28:18Z 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 2334 2009-08-18 15:28:18Z 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 {
257 mr_asprintf(sz_exe, "bzip2");
258 }
259 }
260
261 log_it("before vsbf");
262 mds = media_descriptor_string(bkpinfo->backup_media_type);
263 mr_asprintf(tmp, "Verifying %s#%d's big files", mds, g_current_media_number);
264 mr_free(mds);
265
266 open_evalcall_form(tmp);
267 mr_free(tmp);
268
269 log_it("after vsbf");
270 mr_asprintf(mountpoint, "%s/archives", mtpt);
271 if (last_bigfile_num == -1) {
272 bigfile_num = 0;
273 slice_num = 0;
274 } else if (slice_num == 0) {
275 bigfile_num = last_bigfile_num + 1;
276 slice_num = 0;
277 } else {
278 bigfile_num = last_bigfile_num;
279 slice_num = last_slice_num + 1;
280 }
281 while (does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, bkpinfo->zip_suffix))
282 ||
283 does_file_exist(slice_fname(bigfile_num, slice_num, mountpoint, ""))) {
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) {
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 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;
412 // char *p;
413
414 /*@ pointers ******************************************************* */
415 FILE *pin;
416
417 /*@ long *********************************************************** */
418 long diffs = 0;
419 /* getcwd(old_pwd,MAX_STR_LEN-1); */
420
421
422 malloc_string(tmp);
423 assert(bkpinfo != NULL);
424 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
425
426 log_it("Verifying fileset '%s'", tarball_fname);
427 mr_asprintf(outlog, "%s/afio.log", bkpinfo->tmpdir);
428 /* if programmer forgot to say which compression thingy to use then find out */
429 if (strstr(tarball_fname, ".lzo") && strcmp(bkpinfo->zip_suffix, "lzo")) {
430 log_msg(2, "OK, I'm going to start using lzop.");
431 mr_free(bkpinfo->zip_exe);
432 mr_asprintf(bkpinfo->zip_exe, "lzop");
433 mr_free(bkpinfo->zip_suffix);
434 mr_asprintf(bkpinfo->zip_suffix, "lzo");
435 bkpinfo->use_lzo = TRUE;
436 bkpinfo->use_gzip = FALSE;
437 }
438 if (strstr(tarball_fname, ".gz") && strcmp(bkpinfo->zip_suffix, "gz")) {
439 log_msg(2, "OK, I'm going to start using gzip.");
440 mr_free(bkpinfo->zip_exe);
441 mr_asprintf(bkpinfo->zip_exe, "gzip");
442 mr_free(bkpinfo->zip_suffix);
443 mr_asprintf(bkpinfo->zip_suffix, "gz");
444 bkpinfo->use_lzo = FALSE;
445 bkpinfo->use_gzip = TRUE;
446 }
447 if (strstr(tarball_fname, ".bz2") && strcmp(bkpinfo->zip_suffix, "bz2")) {
448 log_msg(2, "OK, I'm going to start using bzip2.");
449 mr_free(bkpinfo->zip_exe);
450 mr_asprintf(bkpinfo->zip_exe, "bzip2");
451 mr_free(bkpinfo->zip_suffix);
452 mr_asprintf(bkpinfo->zip_suffix, "bz2");
453 bkpinfo->use_lzo = FALSE;
454 bkpinfo->use_gzip = FALSE;
455 }
456 if (bkpinfo->zip_exe == NULL) {
457 mr_asprintf(bkpinfo->zip_exe, "none");
458 }
459 if (bkpinfo->zip_suffix == NULL) {
460 mr_asprintf(bkpinfo->zip_suffix, "");
461 }
462 unlink(outlog);
463 if (strstr(tarball_fname, ".star")) {
464 bkpinfo->use_star = TRUE;
465 if (strstr(tarball_fname, ".bz2"))
466 mr_asprintf(command, "star -diff diffopts=mode,size,data file=%s %s >> %s 2>> %s", tarball_fname, (strstr(tarball_fname, ".bz2")) ? "-bz" : " ", outlog, outlog);
467 } else {
468 bkpinfo->use_star = FALSE;
469 /* Here we suppose that there is always a compression program called */
470 if (bkpinfo->zip_exe) {
471 mr_asprintf(command, "afio -r -P %s -Z %s >> %s 2>> %s", bkpinfo->zip_exe, tarball_fname, outlog, outlog);
472 } else {
473 mr_asprintf(command, "afio -r -Z %s >> %s 2>> %s", tarball_fname, outlog, outlog);
474 }
475 }
476 log_msg(6, "command=%s", command);
477 paranoid_system(command);
478 mr_free(command);
479
480 if (length_of_file(outlog) < 10) {
481 mr_asprintf(command, "cat %s >> %s", outlog, MONDO_LOGFILE);
482 } else {
483 mr_asprintf(command, "cut -d: -f%d %s | sort -u", (bkpinfo->use_star) ? 1 : 2, outlog);
484 pin = popen(command, "r");
485 if (pin) {
486 for (fgets(tmp, MAX_STR_LEN, pin); !feof(pin);
487 fgets(tmp, MAX_STR_LEN, pin)) {
488 if (bkpinfo->use_star) {
489 if (!strstr(tmp, "diffopts=")) {
490 while (strlen(tmp) > 0
491 && tmp[strlen(tmp) - 1] < 32) {
492 tmp[strlen(tmp) - 1] = '\0';
493 }
494 if (strchr(tmp, '/')) {
495 if (!diffs) {
496 log_msg(0, "'%s' - differences found",
497 tarball_fname);
498 }
499 log_msg(0, "star: /%s",
500 strip_afio_output_line(tmp));
501 diffs++;
502 }
503 }
504 } else {
505 if (!diffs) {
506 log_msg(0, "'%s' - differences found",
507 tarball_fname);
508 }
509 log_msg(0, "afio: /%s", strip_afio_output_line(tmp));
510 diffs++;
511 }
512 }
513 paranoid_pclose(pin);
514 } else {
515 log_OS_error(command);
516 }
517 }
518 mr_free(command);
519 mr_free(outlog);
520 paranoid_free(tmp);
521 return (0);
522}
523
524
525
526
527
528
529/**
530 * Verify one afioball from the CD.
531 * Checks for existence (calls fatal_error() if it does not exist) and
532 * then calls verify_an_afioball().
533 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
534 * @param tarball_fname The filename of the afioball to verify.
535 * @return The return value of verify_an_afioball().
536 * @see verify_an_afioball
537 */
538int
539verify_an_afioball_from_CD(char *tarball_fname)
540{
541
542 /*@ int ************************************************************* */
543 int res = 0;
544
545 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
546
547 log_msg(1, "Verifying %s", tarball_fname);
548 if (!does_file_exist(tarball_fname)) {
549 fatal_error("Cannot verify nonexistent afioball");
550 }
551 res = verify_a_tarball(tarball_fname);
552 return (res);
553}
554
555
556/**
557 * Verify one afioball from the opened tape/CD stream.
558 * Copies the file from tape to tmpdir and then calls verify_an_afioball().
559 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
560 * @param orig_fname The original filename of the afioball to verify.
561 * @param size The size of the afioball to verify.
562 * @return The return value of verify_an_afioball().
563 * @see verify_an_afioball
564 */
565int
566verify_an_afioball_from_stream(char *orig_fname, long long size)
567{
568
569 /*@ int ************************************************************** */
570 int retval = 0;
571 int res = 0;
572
573 /*@ buffers ********************************************************** */
574 char *tmp = NULL;
575 char *tarball_fname = NULL;
576
577 /*@ pointers ********************************************************* */
578 char *p;
579
580 assert(bkpinfo != NULL);
581 assert_string_is_neither_NULL_nor_zerolength(orig_fname);
582
583 p = strrchr(orig_fname, '/');
584 if (!p) {
585 p = orig_fname;
586 } else {
587 p++;
588 }
589 mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
590 paranoid_system(tmp);
591 mr_free(tmp);
592
593 mr_asprintf(tarball_fname, "%s/tmpfs/temporary-%s", bkpinfo->tmpdir, p);
594 read_file_from_stream_to_file(tarball_fname, size);
595 res = verify_a_tarball(tarball_fname);
596 if (res) {
597 log_msg(0, "Afioball '%s' no longer matches your live filesystem", p);
598 retval++;
599 }
600 unlink(tarball_fname);
601 mr_free(tarball_fname);
602 return (retval);
603}
604
605
606/**
607 * Verify one biggiefile form the opened tape/CD stream.
608 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir is the only field used.
609 * @param biggie_fname The filename of the biggiefile to verify.
610 * @param size The size in bytes of said biggiefile.
611 * @return 0 for success (even if the file doesn't match); nonzero for a tape error.
612 */
613int
614verify_a_biggiefile_from_stream(char *biggie_fname, long long size)
615{
616
617 /*@ int ************************************************************* */
618 int retval = 0;
619 int res = 0;
620 int current_slice_number = 0;
621 int ctrl_chr = '\0';
622
623 /*@ char ************************************************************ */
624 char *test_file = NULL;
625 char *biggie_cksum = NULL;
626 char *orig_cksum = NULL;
627 char *tmp = NULL;
628 char *slice_fnam;
629
630 /*@ pointers ******************************************************** */
631 char *p;
632
633 /*@ long long ******************************************************* */
634 long long slice_siz;
635
636 malloc_string(slice_fnam);
637 assert(bkpinfo != NULL);
638 assert_string_is_neither_NULL_nor_zerolength(biggie_fname);
639
640 p = strrchr(biggie_fname, '/');
641 if (!p) {
642 p = biggie_fname;
643 } else {
644 p++;
645 }
646 mr_asprintf(test_file, "%s/temporary-%s", bkpinfo->tmpdir, p);
647 for (res =
648 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
649 ctrl_chr != BLK_STOP_A_BIGGIE;
650 res =
651 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr)) {
652 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
653 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
654 }
655 res = read_file_from_stream_to_file(test_file, slice_siz);
656 unlink(test_file);
657 res =
658 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
659 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
660 log_msg(2, "test_file = %s", test_file);
661 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
662 }
663 current_slice_number++;
664 retval += res;
665 }
666 mr_asprintf(biggie_cksum, "%s", slice_fnam);
667 if (biggie_cksum[0] != '\0') {
668 mr_asprintf(orig_cksum, "%s", calc_checksum_of_file(biggie_fname));
669 if (strcmp(biggie_cksum, orig_cksum)) {
670 log_msg(2, "orig cksum=%s; curr cksum=%s", biggie_cksum, orig_cksum);
671 log_to_screen("%s has changed on live filesystem", biggie_fname);
672
673 mr_asprintf(tmp, "echo \"%s\" >> %s/biggies.changed", biggie_fname, bkpinfo->tmpdir);
674 system(tmp);
675 mr_free(tmp);
676 }
677 }
678 mr_free(biggie_cksum);
679 mr_free(test_file);
680 mr_free(orig_cksum);
681 paranoid_free(slice_fnam);
682 return (retval);
683}
684
685
686/**
687 * Verify all afioballs from the opened tape/CD stream.
688 * @param bkpinfo The backup information structure. Fields used:
689 * - @c bkpinfo->tmpdir
690 *
691 * @return 0 for success (even if there are differences); nonzero for a tape error.
692 */
693int verify_afioballs_from_stream()
694{
695 /*@ int ********************************************************** */
696 int retval = 0;
697 int res = 0;
698 long current_afioball_number = 0;
699 int ctrl_chr = 0;
700 int total_afioballs = 0;
701
702 /*@ buffers ***************************************************** */
703 char *tmp = NULL;
704 char *fname;
705 char *curr_xattr_list_fname = NULL;
706 char *curr_acl_list_fname = NULL;
707
708 /*@ long long *************************************************** */
709 long long size = 0;
710
711 assert(bkpinfo != NULL);
712 malloc_string(fname);
713
714 if (g_getfattr) {
715 mr_asprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
716 }
717 if (g_getfacl) {
718 mr_asprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
719 }
720 log_to_screen("Verifying regular archives on tape");
721 total_afioballs = get_last_filelist_number() + 1;
722 open_progress_form("Verifying filesystem",
723 "I am verifying archives against your live filesystem now.",
724 "Please wait. This may take a couple of hours.", "",
725 total_afioballs);
726 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
727 if (ctrl_chr != BLK_START_AFIOBALLS) {
728 log_it("YOU SHOULD NOT GET HERE");
729 log_it("Grabbing the EXAT files");
730 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
731 res =
732 read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
733 curr_xattr_list_fname,
734 curr_acl_list_fname);
735 }
736 }
737 if (ctrl_chr != BLK_START_AFIOBALLS) {
738 wrong_marker(BLK_START_AFIOBALLS, ctrl_chr);
739 }
740 if (g_getfattr) {
741 mr_free(curr_xattr_list_fname);
742 }
743 if (g_getfacl) {
744 mr_free(curr_acl_list_fname);
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 mr_asprintf(curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ, bkpinfo->tmpdir, current_afioball_number);
752 }
753 if (g_getfacl) {
754 mr_asprintf(curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ, bkpinfo->tmpdir, current_afioball_number);
755 }
756 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
757 log_it("Reading EXAT files from tape");
758 res =
759 read_EXAT_files_from_tape(&size, fname, &ctrl_chr,
760 curr_xattr_list_fname,
761 curr_acl_list_fname);
762 }
763 if (g_getfattr) {
764 mr_free(curr_xattr_list_fname);
765 }
766 if (g_getfacl) {
767 mr_free(curr_acl_list_fname);
768 }
769 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
770 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
771 }
772 mr_asprintf(tmp, "Verifying fileset #%ld", current_afioball_number);
773 update_progress_form(tmp);
774 mr_free(tmp);
775
776 res = verify_an_afioball_from_stream(fname, size);
777 if (res) {
778 log_to_screen("Afioball %ld differs from live filesystem", current_afioball_number);
779 }
780 retval += res;
781 current_afioball_number++;
782 g_current_progress++;
783 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
784 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
785 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
786 }
787 }
788 log_msg(1, "All done with afioballs");
789 close_progress_form();
790 paranoid_free(fname);
791 return (retval);
792}
793
794/**
795 * Verify all biggiefiles on the opened CD/tape stream.
796 * @param bkpinfo The backup information structure. Fields used:
797 * - @c bkpinfo->restore_path
798 * - @c bkpinfo->tmpdir
799 *
800 * @return 0 for success (even if there are differences); nonzero for a tape error.
801 */
802int verify_biggiefiles_from_stream()
803{
804
805 /*@ int ************************************************************ */
806 int retval = 0;
807 int res = 0;
808 int ctrl_chr = 0;
809
810 /*@ long *********************************************************** */
811 long noof_biggiefiles = 0;
812 long current_biggiefile_number = 0;
813
814 /*@ buffers ******************************************************** */
815 char *orig_fname;
816 char *logical_fname = NULL;
817 char *comment = NULL;
818 char *curr_xattr_list_fname = NULL;
819 char *curr_acl_list_fname = NULL;
820 /*@ pointers ******************************************************* */
821 char *p;
822
823 /*@ long long size ************************************************* */
824 long long size = 0;
825
826 assert(bkpinfo != NULL);
827 malloc_string(orig_fname);
828
829 if (g_getfattr) {
830 mr_asprintf(curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
831 }
832 if (g_getfacl) {
833 mr_asprintf(curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
834 }
835 mr_asprintf(comment, "Verifying all bigfiles.");
836 log_to_screen(comment);
837 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
838 if (ctrl_chr != BLK_START_BIGGIEFILES) {
839 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
840 log_it("Grabbing the EXAT biggiefiles");
841 res =
842 read_EXAT_files_from_tape(&size, orig_fname,
843 &ctrl_chr, curr_xattr_list_fname,
844 curr_acl_list_fname);
845 }
846 }
847 if (g_getfattr) {
848 mr_free(curr_xattr_list_fname);
849 }
850 if (g_getfacl) {
851 mr_free(curr_acl_list_fname);
852 }
853
854 if (ctrl_chr != BLK_START_BIGGIEFILES) {
855 wrong_marker(BLK_START_BIGGIEFILES, ctrl_chr);
856 }
857 noof_biggiefiles = (long) size;
858 log_msg(1, "noof_biggiefiles = %ld", noof_biggiefiles);
859 open_progress_form("Verifying big files", comment,
860 "Please wait. This may take some time.", "",
861 noof_biggiefiles);
862 mr_free(comment);
863
864 for (res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
865 ctrl_chr != BLK_STOP_BIGGIEFILES;
866 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr))
867 {
868 if (ctrl_chr != BLK_START_A_NORMBIGGIE
869 && ctrl_chr != BLK_START_A_PIHBIGGIE) {
870 wrong_marker(BLK_START_A_NORMBIGGIE, ctrl_chr);
871 }
872 p = strrchr(orig_fname, '/');
873 if (!p) {
874 p = orig_fname;
875 } else {
876 p++;
877 }
878 mr_asprintf(comment, "Verifying bigfile #%ld (%ld K)", current_biggiefile_number, (long) size >> 10);
879 update_progress_form(comment);
880 mr_free(comment);
881
882 if (bkpinfo->restore_path) {
883 mr_asprintf(logical_fname, "%s/%s", bkpinfo->restore_path, orig_fname);
884 res = verify_a_biggiefile_from_stream(logical_fname, size);
885 mr_free(logical_fname);
886 retval += res;
887 } else {
888 log_it("Unable to verify bigfile as restore_path is NULL");
889 }
890
891 current_biggiefile_number++;
892 g_current_progress++;
893 }
894 close_progress_form();
895 paranoid_free(orig_fname);
896 return (retval);
897}
898
899/* @} - end of LLverifyGroup */
900
901
902/**
903 * Verify the USB device
904 * @param bkpinfo The backup information structure. Fields used:
905 * - @c bkpinfo->media_device
906 * - @c bkpinfo->tmpdir
907 * - @c bkpinfo->verify_data
908 *
909 * @return 0 for success (even if differences are found), nonzero for failure.
910 * @ingroup verifyGroup
911 */
912int verify_usb_image()
913{
914
915 /*@ int ************************************************************ */
916 int retval = 0;
917
918 /*@ buffers ******************************************************** */
919 char *mountpoint = NULL;
920 char *tmp = NULL;
921 char *tmp1 = NULL;
922 char *fname = NULL;
923 int ret = 0;
924#ifdef __FreeBSD__
925 char mdd[32];
926 char *mddevice = mdd;
927 int vndev = 2;
928#else
929//skip
930#endif
931
932 assert(bkpinfo != NULL);
933
934 if (bkpinfo->media_device == NULL) {
935 return(1);
936 }
937
938 mr_asprintf(fname, "%s1", bkpinfo->media_device);
939 if (is_this_device_mounted(fname)) {
940 log_msg(1, "USB device mounted. Remounting it at the right place");
941 mr_asprintf(tmp, "umount %s", fname);
942 run_program_and_log_output(tmp, FALSE);
943 paranoid_free(tmp);
944 }
945 paranoid_free(fname);
946
947 log_msg(1, "Mounting USB device.");
948 mr_asprintf(mountpoint, "%s/usb", bkpinfo->tmpdir);
949 mr_asprintf(tmp, "mkdir -p %s", mountpoint);
950 run_program_and_log_output(tmp, FALSE);
951 paranoid_free(tmp);
952 /* Mindi always create one single parition on the USB dev */
953 mr_asprintf(tmp, "mount %s1 %s", bkpinfo->media_device, mountpoint);
954 ret = run_program_and_log_output(tmp, FALSE);
955 paranoid_free(tmp);
956 if (ret) {
957 paranoid_free(mountpoint);
958 return(ret);
959 }
960
961 sync();
962 log_msg(2, "OK, I've mounted the USB Disk/Key\n");
963 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
964 if (!does_file_exist(tmp)) {
965 log_msg
966 (2,
967 "This is the last USB device. I am therefore setting bkpinfo->verify_data to FALSE.");
968 bkpinfo->verify_data = FALSE;
969/*
970 (a) It's an easy way to tell the calling subroutine that we've finished &
971 there are no more device to be verified; (b) It stops the post-backup verifier
972 from running after the per-device verifier has run too.
973*/
974 }
975 paranoid_free(tmp);
976 verify_afioballs_on_CD(mountpoint);
977 log_it("before verify_all_slices");
978 verify_all_slices_on_CD(mountpoint);
979
980 mr_asprintf(tmp1, "umount %s", mountpoint);
981#ifdef __FreeBSD__
982 ret += system(tmp1);
983 ret += kick_vn(mddevice);
984 if (ret)
985#else
986 if (system(tmp1))
987#endif
988 {
989 log_to_screen("%s failed; unable to unmount USB device\n", tmp1);
990 retval++;
991 } else {
992 log_msg(2, "OK, I've unmounted the USB device\n");
993 }
994 mr_free(tmp1);
995 mr_free(mountpoint);
996 return (retval);
997}
998
999
1000/**
1001 * Verify the CD indicated by @c g_current_media_number.
1002 * @param bkpinfo The backup information structure. Fields used:
1003 * - @c bkpinfo->isodir
1004 * - @c bkpinfo->prefix
1005 * - @c bkpinfo->manual_cd_tray
1006 * - @c bkpinfo->media_device
1007 * - @c bkpinfo->nfs_remote_dir
1008 * - @c bkpinfo->tmpdir
1009 * - @c bkpinfo->verify_data
1010 *
1011 * @return 0 for success (even if differences are found), nonzero for failure.
1012 * @ingroup verifyGroup
1013 */
1014int verify_cd_image()
1015{
1016
1017 /*@ int ************************************************************ */
1018 int retval = 0;
1019
1020 /*@ buffers ******************************************************** */
1021 char *mountpoint = NULL;
1022 char *command = NULL;
1023 char *tmp = NULL;
1024 char *fname = NULL;
1025#ifdef __FreeBSD__
1026 char mdd[32];
1027 char *mddevice = mdd;
1028 int ret = 0;
1029 int vndev = 2;
1030#else
1031//skip
1032#endif
1033
1034 assert(bkpinfo != NULL);
1035
1036 if (bkpinfo->media_device == NULL) {
1037 return(1);
1038 }
1039
1040 mr_asprintf(mountpoint, "%s/cdrom", bkpinfo->tmpdir);
1041 if (((bkpinfo->isodir == NULL) && (bkpinfo->nfs_remote_dir == NULL)) || (bkpinfo->prefix == NULL)) {
1042 fatal_error("No iso filename preparation possible");
1043 }
1044 if (bkpinfo->nfs_remote_dir) {
1045 // NFS
1046 mr_asprintf(fname, "%s/%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->nfs_remote_dir, bkpinfo->prefix, g_current_media_number);
1047 } else {
1048 // ISO
1049 mr_asprintf(fname, "%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->prefix, g_current_media_number);
1050 }
1051
1052 mkdir(mountpoint, 1777);
1053 sync();
1054 if (!does_file_exist(fname)) {
1055 log_msg(2, "%s not found; assuming you backed up to CD; verifying CD...", fname);
1056 if (bkpinfo->manual_cd_tray) {
1057 popup_and_OK("Please push CD tray closed.");
1058 }
1059 if (find_and_mount_actual_cd(mountpoint)) {
1060 log_to_screen("failed to mount actual CD");
1061 mr_free(mountpoint);
1062 mr_free(fname);
1063 return (1);
1064 }
1065 } else {
1066 log_msg(2, "%s found; verifying ISO...", fname);
1067#ifdef __FreeBSD__
1068 ret = 0;
1069 vndev = 2;
1070 mddevice = make_vn(fname);
1071 if (ret) {
1072 log_to_screen("make_vn of %s failed; unable to verify ISO\n", fname);
1073 mr_free(mountpoint);
1074 mr_free(fname);
1075 return (1);
1076 }
1077 mr_asprintf(command, "mount_cd9660 %s %s", mddevice, mountpoint);
1078#else
1079 mr_asprintf(command, "mount -o loop,ro -t iso9660 %s %s", fname, mountpoint);
1080#endif
1081 if (run_program_and_log_output(command, FALSE)) {
1082 log_to_screen("%s failed; unable to mount ISO image\n", command);
1083 mr_free(mountpoint);
1084 mr_free(command);
1085 mr_free(fname);
1086 return (1);
1087 }
1088 mr_free(command);
1089 }
1090 log_msg(2, "OK, I've mounted the ISO/CD\n");
1091 mr_asprintf(tmp, "%s/archives/NOT-THE-LAST", mountpoint);
1092 if (!does_file_exist(tmp)) {
1093 log_msg
1094 (2,
1095 "This is the last CD. I am therefore setting bkpinfo->verify_data to FALSE.");
1096 bkpinfo->verify_data = FALSE;
1097/*
1098 (a) It's an easy way to tell the calling subroutine that we've finished &
1099 there are no more CD's to be verified; (b) It stops the post-backup verifier
1100 from running after the per-CD verifier has run too.
1101*/
1102 }
1103 mr_free(tmp);
1104
1105 verify_afioballs_on_CD(mountpoint);
1106 log_it("before verify_all_slices");
1107 verify_all_slices_on_CD(mountpoint);
1108
1109#ifdef __FreeBSD__
1110 ret = 0;
1111 mr_asprintf(command, "umount %s", mountpoint);
1112 ret += system(command);
1113 ret += kick_vn(mddevice);
1114 if (ret) {
1115#else
1116 mr_asprintf(command, "umount %s", mountpoint);
1117 if (system(command)) {
1118#endif
1119 log_to_screen("%s failed; unable to unmount ISO image\n", command);
1120
1121 retval++;
1122 } else {
1123 log_msg(2, "OK, I've unmounted the ISO file\n");
1124 }
1125 mr_free(mountpoint);
1126 mr_free(command);
1127
1128 if (!does_file_exist(fname)) {
1129 mr_asprintf(command, "umount %s", bkpinfo->media_device);
1130 run_program_and_log_output(command, 2);
1131 mr_free(command);
1132
1133 if (!bkpinfo->please_dont_eject && eject_device(bkpinfo->media_device)) {
1134 log_msg(2, "Failed to eject CD-ROM drive");
1135 }
1136 }
1137 mr_free(fname);
1138 return (retval);
1139}
1140
1141/**
1142 * Verify all backups on tape.
1143 * This should be done after the backup process has already closed the tape.
1144 * @param bkpinfo The backup information structure. Passed to various helper functions.
1145 * @return 0 for success (even if thee were differences), nonzero for failure.
1146 * @ingroup verifyGroup
1147 */
1148int verify_tape_backups()
1149{
1150
1151 /*@ int ************************************************************ */
1152 int retval = 0;
1153
1154 /*@ buffers ******************************************************** */
1155 char *tmp = NULL;
1156 char *changed_files_fname = NULL;
1157
1158 /*@ long *********************************************************** */
1159 long diffs = 0;
1160
1161 assert(bkpinfo != NULL);
1162
1163 log_msg(3, "verify_tape_backups --- starting");
1164 log_to_screen("Verifying backups");
1165 openin_tape();
1166/* verify archives themselves */
1167 retval += verify_afioballs_from_stream();
1168 retval += verify_biggiefiles_from_stream();
1169/* find the final blocks */
1170 paranoid_system("sync");
1171 sleep(2);
1172 closein_tape();
1173/* close tape; exit */
1174// fclose(g_tape_stream); <-- not needed; is handled by closein_tape()
1175 mr_asprintf(tmp, "rm -f %s/biggies.changed %s/changed.files 2> /dev/null", bkpinfo->tmpdir, bkpinfo->tmpdir);
1176 paranoid_system(tmp);
1177 mr_free(tmp);
1178
1179 mr_asprintf(changed_files_fname, "%s/changed.files", bkpinfo->tmpdir);
1180 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);
1181 log_msg(2, "Running command to derive list of changed files");
1182 log_msg(2, tmp);
1183 if (system(tmp)) {
1184 if (does_file_exist(changed_files_fname) && length_of_file(changed_files_fname) > 2) {
1185 log_to_screen("Warning - unable to check logfile to derive list of changed files");
1186 } else {
1187 log_to_screen("No differences found. Therefore, no 'changed.files' text file.");
1188 }
1189 }
1190 mr_free(tmp);
1191
1192 mr_asprintf(tmp, "cat %s/biggies.changed >> %s", bkpinfo->tmpdir, changed_files_fname);
1193 paranoid_system(tmp);
1194 mr_free(tmp);
1195
1196 diffs = count_lines_in_file(changed_files_fname);
1197 if (diffs > 0) {
1198 mr_asprintf(tmp, "cp -f %s %s/changed.files", changed_files_fname, MONDO_CACHE);
1199 run_program_and_log_output(tmp, FALSE);
1200 mr_free(tmp);
1201
1202 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);
1203 log_to_screen("See "MONDO_CACHE"/changed.files for a list of nonmatching files.");
1204 log_to_screen("The files probably changed on filesystem, not on backup media.");
1205 }
1206 mr_free(changed_files_fname);
1207 return (retval);
1208}
1209
1210
1211
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