source: MondoRescue/trunk/mondo/mondo/common/libmondo-verify.c@ 120

Last change on this file since 120 was 120, checked in by bcornec, 20 years ago

libmondo-filelist.c memory review (asprintf and the like) - compiles but no test made yet
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File size: 32.5 KB
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1/* $Id: libmondo-verify.c 120 2005-11-09 01:44:43Z bcornec $ */
2
3/**
4 * @file
5 * Functions for verifying backups (booted from hard drive, not CD).
6 */
7
8#include "my-stuff.h"
9#include "mondostructures.h"
10#include "libmondo-verify.h"
11#include "libmondo-gui-EXT.h"
12#include "libmondo-files-EXT.h"
13#include "libmondo-fork-EXT.h"
14#include "libmondo-stream-EXT.h"
15#include "libmondo-string-EXT.h"
16#include "libmondo-devices-EXT.h"
17#include "libmondo-tools-EXT.h"
18#include "lib-common-externs.h"
19
20/*@unused@*/
21//static char cvsid[] = "$Id: libmondo-verify.c 120 2005-11-09 01:44:43Z bcornec $";
22
23char *vfy_tball_fname(struct s_bkpinfo *, char *, int);
24
25
26/**
27 * The number of the most recently verified afioball.
28 * @ingroup globalGroup
29 */
30int g_last_afioball_number = -1;
31
32
33/**
34 * Generate a list of the files that have changed, based on @c afio @c -r
35 * messages.
36 * @param changedfiles_fname Filename of the place to put a list of afio's reported changed.
37 * @param ignorefiles_fname Filename of a list of files to ignore (use "" if none).
38 * @param stderr_fname File containing afio's stderr output.
39 * @return The number of differences found (0 for a perfect backup).
40 * @bug This function seems orphaned.
41 * @ingroup utilityGroup
42 */
43long
44generate_list_of_changed_files(char *changedfiles_fname,
45 char *ignorefiles_fname, char *stderr_fname)
46{
47 /*@ buffer ********************************************************** */
48 char *command;
49 char *afio_found_changes;
50
51 /*@ int ************************************************************* */
52 int res = 0;
53
54 /*@ long ************************************************************ */
55 long afio_diffs = 0;
56
57 assert_string_is_neither_NULL_nor_zerolength(changedfiles_fname);
58 assert_string_is_neither_NULL_nor_zerolength(ignorefiles_fname);
59 assert_string_is_neither_NULL_nor_zerolength(stderr_fname);
60
61 asprintf(&afio_found_changes, "%s.afio", ignorefiles_fname);
62 paranoid_system("sync");
63
64/* sprintf (command,
65 "cat %s | grep \"afio: \" | awk '{j=substr($0,8); i=index(j,\": \");printf \"/%%s\\n\",substr(j,1,i-2);}' | sort | uniq | grep -v \"incheckentry.*xwait\" | grep -vx \"/afio:.*\" | grep -vx \"/dev/.*\" > %s",
66 stderr_fname, afio_found_changes);
67*/
68
69 log_msg(1, "Now scanning log file for 'afio: ' stuff");
70 asprintf(&command,
71 "cat %s | grep \"afio: \" | sed 's/afio: //' | grep -vx \"/dev/.*\" >> %s",
72 stderr_fname, afio_found_changes);
73 log_msg(2, command);
74 res = system(command);
75 paranoid_free(command);
76 if (res) {
77 log_msg(2, "Warning - failed to think");
78 }
79
80 log_msg(1, "Now scanning log file for 'star: ' stuff");
81 asprintf(&command,
82 "cat %s | grep \"star: \" | sed 's/star: //' | grep -vx \"/dev/.*\" >> %s",
83 stderr_fname, afio_found_changes);
84 log_msg(2, command);
85 res = system(command);
86 paranoid_free(command);
87 if (res) {
88 log_msg(2, "Warning - failed to think");
89 }
90// exclude_nonexistent_files (afio_found_changes);
91 afio_diffs = count_lines_in_file(afio_found_changes);
92 asprintf(&command,
93 "cat %s %s %s | sort | uniq -c | awk '{ if ($1==\"2\") {print $2;};}' | grep -v \"incheckentry xwait()\" > %s",
94 ignorefiles_fname, afio_found_changes, afio_found_changes,
95 changedfiles_fname);
96 log_msg(2, command);
97 paranoid_system(command);
98 paranoid_free(command);
99 paranoid_free(afio_found_changes);
100 return (afio_diffs);
101}
102
103
104/**
105 * @addtogroup LLverifyGroup
106 * @{
107 */
108/**
109 * Verify all afioballs stored on the inserted CD (or an ISO image).
110 * @param bkpinfo The backup information structure. @c bkpinfo->backup_media_type
111 * is used in this function, and the structure is also passed to verify_an_afioball_from_CD().
112 * @param mountpoint The location the CD/DVD/ISO is mounted on.
113 * @return The number of sets containing differences (0 for success).
114 */
115int verify_afioballs_on_CD(struct s_bkpinfo *bkpinfo, char *mountpoint)
116{
117
118 /*@ buffers ********************************************************* */
119 char *tmp;
120
121 /*@ int ************************************************************* */
122 int set_number = 0;
123 int retval = 0;
124 int total_sets = 0;
125 int percentage = 0;
126
127 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
128 assert(bkpinfo != NULL);
129
130 for (set_number = 0;
131 set_number < 9999
132 &&
133 !does_file_exist(vfy_tball_fname
134 (bkpinfo, mountpoint, set_number));
135 set_number++);
136 if (!does_file_exist(vfy_tball_fname(bkpinfo, mountpoint, set_number))) {
137 return (0);
138 }
139
140 if (g_last_afioball_number != set_number - 1) {
141 if (set_number == 0) {
142 log_msg(1,
143 "Weird error in verify_afioballs_on_CD() but it's really a cosmetic error, nothing more");
144 } else {
145 retval++;
146 asprintf(&tmp, "Warning - missing set(s) between %d and %d\n",
147 g_last_afioball_number, set_number - 1);
148 log_to_screen(tmp);
149 paranoid_free(tmp);
150 }
151 }
152 asprintf(&tmp, "Verifying %s #%d's tarballs",
153 media_descriptor_string(bkpinfo->backup_media_type),
154 g_current_media_number);
155 open_evalcall_form(tmp);
156 paranoid_free(tmp);
157
158 for (total_sets = set_number;
159 does_file_exist(vfy_tball_fname(bkpinfo, mountpoint, total_sets));
160 total_sets++) {
161 log_msg(1, "total_sets = %d", total_sets);
162 }
163 for (;
164 does_file_exist(vfy_tball_fname(bkpinfo, mountpoint, set_number));
165 set_number++) {
166 percentage =
167 (set_number - g_last_afioball_number) * 100 / (total_sets -
168 g_last_afioball_number);
169 update_evalcall_form(percentage);
170 log_msg(1, "set = %d", set_number);
171 retval +=
172 verify_an_afioball_from_CD(bkpinfo,
173 vfy_tball_fname(bkpinfo, mountpoint,
174 set_number));
175 }
176 g_last_afioball_number = set_number - 1;
177 close_evalcall_form();
178 return (retval);
179}
180
181
182/**
183 * Verify all slices stored on the inserted CD (or a mounted ISO image).
184 * @param bkpinfo The backup information structure. Fields used:
185 * - @c compression_level
186 * - @c restore_path
187 * - @c use_lzo
188 * - @c zip_exe
189 * - @c zip_suffix
190 * @param mtpt The mountpoint the CD/DVD/ISO is mounted on.
191 * @return The number of differences (0 for perfect biggiefiles).
192 */
193int verify_all_slices_on_CD(struct s_bkpinfo *bkpinfo, char *mtpt)
194{
195
196 /*@ buffer ********************************************************** */
197 char *tmp;
198 char *mountpoint;
199// char ca, cb;
200 char *command;
201 char *sz_exe;
202 static char *bufblkA = NULL;
203 static char *bufblkB = NULL;
204 const long maxbufsize = 65536L;
205 long currsizA = 0;
206 long currsizB = 0;
207 long j;
208
209 /*@ long ************************************************************ */
210 long bigfile_num = 0;
211 long slice_num = -1;
212 int res;
213
214 static FILE *forig = NULL;
215 static struct s_filename_and_lstat_info biggiestruct;
216 static long last_bigfile_num = -1;
217 static long last_slice_num = -1;
218 FILE *pin;
219 FILE *fin;
220 int retval = 0;
221// long long outlen;
222
223 malloc_string(sz_exe);
224 if (!bufblkA) {
225 if (!(bufblkA = malloc(maxbufsize))) {
226 fatal_error("Cannot malloc bufblkA");
227 }
228 }
229 if (!bufblkB) {
230 if (!(bufblkB = malloc(maxbufsize))) {
231 fatal_error("Cannot malloc bufblkB");
232 }
233 }
234
235 assert(bkpinfo != NULL);
236 assert_string_is_neither_NULL_nor_zerolength(mtpt);
237
238 if (bkpinfo->compression_level > 0) {
239 if (bkpinfo->use_lzo) {
240 asprintf(&sz_exe, "lzop");
241 } else {
242 asprintf(&sz_exe, "bzip2");
243 }
244 } else {
245 asprintf(&sz_exe, "");
246 }
247
248 iamhere("before vsbf");
249 asprintf(&tmp, "Verifying %s#%d's big files",
250 media_descriptor_string(bkpinfo->backup_media_type),
251 g_current_media_number);
252 open_evalcall_form(tmp);
253 paranoid_free(tmp);
254 iamhere("after vsbf");
255 asprintf(&mountpoint, "%s/archives", mtpt);
256 if (last_bigfile_num == -1) {
257 bigfile_num = 0;
258 slice_num = 0;
259 } else if (slice_num == 0) {
260 bigfile_num = last_bigfile_num + 1;
261 slice_num = 0;
262 } else {
263 bigfile_num = last_bigfile_num;
264 slice_num = last_slice_num + 1;
265 }
266 while (does_file_exist
267 (slice_fname
268 (bigfile_num, slice_num, mountpoint, bkpinfo->zip_suffix))
269 ||
270 does_file_exist(slice_fname
271 (bigfile_num, slice_num, mountpoint, ""))) {
272// handle slices until end of CD
273 if (slice_num == 0) {
274 log_msg(2, "ISO=%d bigfile=%ld --START--",
275 g_current_media_number, bigfile_num);
276 if (!
277 (fin =
278 fopen(slice_fname(bigfile_num, slice_num, mountpoint, ""),
279 "r"))) {
280 log_msg(2, "Cannot open bigfile's info file");
281 } else {
282 if (fread
283 ((void *) &biggiestruct, 1, sizeof(biggiestruct),
284 fin) < sizeof(biggiestruct)) {
285 log_msg(2, "Unable to get biggiestruct");
286 }
287 paranoid_fclose(fin);
288 }
289 asprintf(&tmp, "%s/%s", bkpinfo->restore_path,
290 biggiestruct.filename);
291 log_msg(2, "Opening biggiefile #%ld - '%s'", bigfile_num, tmp);
292 if (!(forig = fopen(tmp, "r"))) {
293 log_msg(2, "Failed to open bigfile. Darn.");
294 retval++;
295 }
296 paranoid_free(tmp);
297
298 slice_num++;
299 } else if (does_file_exist
300 (slice_fname(bigfile_num, slice_num, mountpoint, ""))) {
301 log_msg(2, "ISO=%d bigfile=%ld ---END---",
302 g_current_media_number, bigfile_num);
303 bigfile_num++;
304 paranoid_fclose(forig);
305 slice_num = 0;
306 } else {
307 log_msg(2, "ISO=%d bigfile=%ld slice=%ld \r",
308 g_current_media_number, bigfile_num, slice_num);
309 if (bkpinfo->compression_level > 0) {
310 asprintf(&command, "cat %s | %s -dc 2>> %s",
311 slice_fname(bigfile_num, slice_num, mountpoint,
312 bkpinfo->zip_suffix), sz_exe,
313 MONDO_LOGFILE);
314 } else {
315 asprintf(&command, "cat %s",
316 slice_fname(bigfile_num, slice_num, mountpoint,
317 bkpinfo->zip_suffix));
318 }
319 if ((pin = popen(command, "r"))) {
320 res = 0;
321 while (!feof(pin)) {
322 currsizA = fread(bufblkA, 1, maxbufsize, pin);
323 if (currsizA <= 0) {
324 break;
325 }
326 currsizB = fread(bufblkB, 1, currsizA, forig);
327 if (currsizA != currsizB) {
328 res++;
329 } else {
330 for (j = 0;
331 j < currsizA && bufblkA[j] == bufblkB[j];
332 j++);
333 if (j < currsizA) {
334 res++;
335 }
336 }
337 }
338 paranoid_pclose(pin);
339 if (res && !strncmp(biggiestruct.filename, " /dev/", 5)) {
340 log_msg(3,
341 "Ignoring differences between %s and live filesystem because it's a device and therefore the archives are stored via partimagehack, not dd.",
342 biggiestruct.filename);
343 log_msg(3,
344 "If you really want verification for %s, please contact the devteam and offer an incentive.",
345 biggiestruct.filename);
346 res = 0;
347 }
348 if (res) {
349 log_msg(0,
350 "afio: \"%s\": Corrupt biggie file, says libmondo-archive.c",
351 biggiestruct.filename);
352 retval++;
353 }
354 }
355 paranoid_free(command);
356 slice_num++;
357 }
358 }
359 paranoid_free(mountpoint);
360 paranoid_free(sz_exe);
361
362 last_bigfile_num = bigfile_num;
363 last_slice_num = slice_num - 1;
364 if (last_slice_num < 0) {
365 last_bigfile_num--;
366 }
367 close_evalcall_form();
368 if (bufblkA) {
369 paranoid_free(bufblkA);
370 }
371 if (bufblkB) {
372 paranoid_free(bufblkB);
373 }
374 return (0);
375}
376
377
378/**
379 * Verify one afioball from the CD.
380 * You should be changed to the root directory (/) for this to work.
381 * @param bkpinfo The backup information structure. Fields used:
382 * - @c bkpinfo->use_lzo
383 * - @c bkpinfo->tmpdir
384 * - @c bkpinfo->zip_exe
385 * - @c bkpinfo->zip_suffix
386 * @param tarball_fname The filename of the afioball to verify.
387 * @return 0, always.
388 */
389int verify_a_tarball(struct s_bkpinfo *bkpinfo, char *tarball_fname)
390{
391 /*@ buffers ********************************************************* */
392 char *command;
393 char *outlog;
394 char *tmp = NULL;
395 // char *p;
396
397 /*@ pointers ******************************************************* */
398 FILE *pin;
399
400 size_t n = 0;
401
402 /*@ long *********************************************************** */
403 long diffs = 0;
404 /* getcwd(old_pwd,MAX_STR_LEN-1); */
405
406 assert(bkpinfo != NULL);
407 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
408
409 log_it("Verifying fileset '%s'", tarball_fname);
410
411 /* chdir("/"); */
412 asprintf(&outlog, "%s/afio.log", bkpinfo->tmpdir);
413
414 /* if programmer forgot to say which compression thingy to use then find out */
415 if (strstr(tarball_fname, ".lzo")
416 && strcmp(bkpinfo->zip_suffix, "lzo")) {
417 log_msg(2, "OK, I'm going to start using lzop.");
418 strcpy(bkpinfo->zip_exe, "lzop");
419 strcpy(bkpinfo->zip_suffix, "lzo");
420 bkpinfo->use_lzo = TRUE;
421 }
422 if (strstr(tarball_fname, ".bz2")
423 && strcmp(bkpinfo->zip_suffix, "bz2")) {
424 log_msg(2, "OK, I'm going to start using bzip2.");
425 strcpy(bkpinfo->zip_exe, "bzip2");
426 strcpy(bkpinfo->zip_suffix, "bz2");
427 bkpinfo->use_lzo = FALSE;
428 }
429 unlink(outlog);
430 if (strstr(tarball_fname, ".star")) {
431 bkpinfo->use_star = TRUE;
432 if (strstr(tarball_fname, ".bz2"))
433 asprintf(&command,
434 "star -diff diffopts=mode,size,data file=%s %s >> %s 2>> %s",
435 tarball_fname,
436 (strstr(tarball_fname, ".bz2")) ? "-bz" : " ", outlog,
437 outlog);
438 } else {
439 bkpinfo->use_star = FALSE;
440 asprintf(&command, "afio -r -P %s -Z %s >> %s 2>> %s",
441 bkpinfo->zip_exe, tarball_fname, outlog, outlog);
442 }
443 log_msg(6, "command=%s", command);
444 paranoid_system(command);
445 paranoid_free(command);
446
447 if (length_of_file(outlog) < 10) {
448 asprintf(&command, "cat %s >> %s", outlog, MONDO_LOGFILE);
449 } else {
450 asprintf(&command, "cat %s | cut -d':' -f%d | sort | uniq", outlog,
451 (bkpinfo->use_star) ? 1 : 2);
452 pin = popen(command, "r");
453 if (pin) {
454 for (getline(&tmp, &n, pin); !feof(pin);
455 getline(&tmp, &n, pin)) {
456 if (bkpinfo->use_star) {
457 if (!strstr(tmp, "diffopts=")) {
458 while (strlen(tmp) > 0
459 && tmp[strlen(tmp) - 1] < 32) {
460 tmp[strlen(tmp) - 1] = '\0';
461 }
462 if (strchr(tmp, '/')) {
463 if (!diffs) {
464 log_msg(0, "'%s' - differences found",
465 tarball_fname);
466 }
467 log_msg(0, "star: /%s",
468 strip_afio_output_line(tmp));
469 diffs++;
470 }
471 }
472 } else {
473 if (!diffs) {
474 log_msg(0, "'%s' - differences found",
475 tarball_fname);
476 }
477 log_msg(0, "afio: /%s", strip_afio_output_line(tmp));
478 diffs++;
479 }
480 }
481 paranoid_pclose(pin);
482 paranoid_free(tmp);
483 } else {
484 log_OS_error(command);
485 }
486 }
487 paranoid_free(outlog);
488 paranoid_free(command);
489
490 /* chdir(old_pwd); */
491 // sprintf (tmp, "cat %s | uniq -u >> %s", "/tmp/mondo-verify.err", MONDO_LOGFILE);
492 // paranoid_system (tmp);
493 // unlink ("/tmp/mondo-verify.err");
494 return (0);
495}
496
497
498/**
499 * Verify one afioball from the CD.
500 * Checks for existence (calls fatal_error() if it does not exist) and
501 * then calls verify_an_afioball().
502 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
503 * @param tarball_fname The filename of the afioball to verify.
504 * @return The return value of verify_an_afioball().
505 * @see verify_an_afioball
506 */
507int
508verify_an_afioball_from_CD(struct s_bkpinfo *bkpinfo, char *tarball_fname)
509{
510
511 /*@ int ************************************************************* */
512 int res = 0;
513
514 assert(bkpinfo != NULL);
515 assert_string_is_neither_NULL_nor_zerolength(tarball_fname);
516
517 log_msg(1, "Verifying %s", tarball_fname);
518 if (!does_file_exist(tarball_fname)) {
519 fatal_error("Cannot verify nonexistent afioball");
520 }
521 res = verify_a_tarball(bkpinfo, tarball_fname);
522 return (res);
523}
524
525
526/**
527 * Verify one afioball from the opened tape/CD stream.
528 * Copies the file from tape to tmpdir and then calls verify_an_afioball().
529 * @param bkpinfo The backup information structure. Passed to verify_an_afioball().
530 * @param orig_fname The original filename of the afioball to verify.
531 * @param size The size of the afioball to verify.
532 * @return The return value of verify_an_afioball().
533 * @see verify_an_afioball
534 */
535int
536verify_an_afioball_from_stream(struct s_bkpinfo *bkpinfo, char *orig_fname,
537 long long size)
538{
539
540 /*@ int ************************************************************** */
541 int retval = 0;
542 int res = 0;
543
544 /*@ buffers ********************************************************** */
545 char *tmp;
546 char *tarball_fname;
547
548 /*@ pointers ********************************************************* */
549 char *p;
550
551 assert(bkpinfo != NULL);
552 assert_string_is_neither_NULL_nor_zerolength(orig_fname);
553
554 p = strrchr(orig_fname, '/');
555 if (!p) {
556 p = orig_fname;
557 } else {
558 p++;
559 }
560 asprintf(&tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
561 paranoid_system(tmp);
562 paranoid_free(tmp);
563
564 asprintf(&tarball_fname, "%s/tmpfs/temporary-%s", bkpinfo->tmpdir, p);
565 /* BERLIOS : useless
566 asprintf(&tmp, "Temporarily copying file from tape to '%s'",
567 tarball_fname);
568 log_it(tmp);
569 paranoid_free(tmp);
570 */
571 read_file_from_stream_to_file(bkpinfo, tarball_fname, size);
572 res = verify_a_tarball(bkpinfo, tarball_fname);
573 if (res) {
574 asprintf(&tmp,
575 "Afioball '%s' no longer matches your live filesystem",
576 p);
577 log_msg(0, tmp);
578 paranoid_free(tmp);
579 retval++;
580 }
581 unlink(tarball_fname);
582 paranoid_free(tarball_fname);
583 return (retval);
584}
585
586
587/**
588 * Verify one biggiefile form the opened tape/CD stream.
589 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir is the only field used.
590 * @param biggie_fname The filename of the biggiefile to verify.
591 * @param size The size in bytes of said biggiefile.
592 * @return 0 for success (even if the file doesn't match); nonzero for a tape error.
593 */
594int
595verify_a_biggiefile_from_stream(struct s_bkpinfo *bkpinfo,
596 char *biggie_fname, long long size)
597{
598
599 /*@ int ************************************************************* */
600 int retval = 0;
601 int res = 0;
602 int current_slice_number = 0;
603 int ctrl_chr = '\0';
604
605 /*@ char ************************************************************ */
606 char *test_file;
607 char *biggie_cksum;
608 char *orig_cksum;
609 char *tmp;
610 char *slice_fnam;
611
612 /*@ pointers ******************************************************** */
613 char *p;
614
615 /*@ long long ******************************************************* */
616 long long slice_siz;
617
618 malloc_string(slice_fnam);
619 assert(bkpinfo != NULL);
620 assert_string_is_neither_NULL_nor_zerolength(biggie_fname);
621
622 p = strrchr(biggie_fname, '/');
623 if (!p) {
624 p = biggie_fname;
625 } else {
626 p++;
627 }
628 asprintf(&test_file, "%s/temporary-%s", bkpinfo->tmpdir, p);
629 /* BERLIOS: useless
630 asprintf(&tmp,
631 "Temporarily copying biggiefile %s's slices from tape to '%s'",
632 p, test_file);
633 log_it(tmp);
634 paranoid_free(tmp);
635 */
636 for (res =
637 read_header_block_from_stream(&slice_siz, slice_fnam, &ctrl_chr);
638 ctrl_chr != BLK_STOP_A_BIGGIE;
639 res =
640 read_header_block_from_stream(&slice_siz, slice_fnam,
641 &ctrl_chr)) {
642 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
643 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
644 }
645 res = read_file_from_stream_to_file(bkpinfo, test_file, slice_siz);
646 unlink(test_file);
647 res =
648 read_header_block_from_stream(&slice_siz, slice_fnam,
649 &ctrl_chr);
650 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
651 log_msg(2, "test_file = %s", test_file);
652 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
653 }
654 current_slice_number++;
655 retval += res;
656 }
657 paranoid_free(test_file);
658
659 asprintf(&biggie_cksum, slice_fnam);
660 paranoid_free(slice_fnam);
661
662 if (biggie_cksum[0] != '\0') {
663 asprintf(&orig_cksum, calc_checksum_of_file(biggie_fname));
664 if (strcmp(biggie_cksum, orig_cksum)) {
665 asprintf(&tmp, "orig cksum=%s; curr cksum=%s", biggie_cksum,
666 orig_cksum);
667 log_msg(2, tmp);
668 paranoid_free(tmp);
669
670 asprintf(&tmp, "%s has changed on live filesystem",
671 biggie_fname);
672 log_to_screen(tmp);
673 paranoid_free(tmp);
674
675 asprintf(&tmp, "echo \"%s\" >> /tmp/biggies.changed",
676 biggie_fname);
677 system(tmp);
678 paranoid_free(tmp);
679 }
680 paranoid_free(orig_cksum);
681 }
682 paranoid_free(biggie_cksum);
683
684 return (retval);
685}
686
687
688/**
689 * Verify all afioballs from the opened tape/CD stream.
690 * @param bkpinfo The backup information structure. Fields used:
691 * - @c bkpinfo->restore_path
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(struct s_bkpinfo *bkpinfo)
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;
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
717 asprintf(&curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ,
718 bkpinfo->tmpdir);
719 asprintf(&curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ,
720 bkpinfo->tmpdir);
721 log_to_screen("Verifying regular archives on tape");
722 total_afioballs = get_last_filelist_number(bkpinfo) + 1;
723 open_progress_form("Verifying filesystem",
724 "I am verifying archives against your live filesystem now.",
725 "Please wait. This may take a couple of hours.", "",
726 total_afioballs);
727 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
728 if (ctrl_chr != BLK_START_AFIOBALLS) {
729 iamhere("YOU SHOULD NOT GET HERE");
730 iamhere("Grabbing the EXAT files");
731 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
732 res =
733 read_EXAT_files_from_tape(bkpinfo, &size, fname, &ctrl_chr,
734 curr_xattr_list_fname,
735 curr_acl_list_fname);
736 }
737 }
738 if (ctrl_chr != BLK_START_AFIOBALLS) {
739 wrong_marker(BLK_START_AFIOBALLS, ctrl_chr);
740 }
741 paranoid_free(curr_xattr_list_fname);
742 paranoid_free(curr_acl_list_fname);
743
744 for (res = read_header_block_from_stream(&size, fname, &ctrl_chr);
745 ctrl_chr != BLK_STOP_AFIOBALLS;
746 res = read_header_block_from_stream(&size, fname, &ctrl_chr)) {
747 asprintf(&curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ,
748 bkpinfo->tmpdir, current_afioball_number);
749 asprintf(&curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ,
750 bkpinfo->tmpdir, current_afioball_number);
751 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
752 iamhere("Reading EXAT files from tape");
753 res =
754 read_EXAT_files_from_tape(bkpinfo, &size, fname, &ctrl_chr,
755 curr_xattr_list_fname,
756 curr_acl_list_fname);
757 }
758 paranoid_free(curr_xattr_list_fname);
759 paranoid_free(curr_acl_list_fname);
760
761 if (ctrl_chr != BLK_START_AN_AFIO_OR_SLICE) {
762 wrong_marker(BLK_START_AN_AFIO_OR_SLICE, ctrl_chr);
763 }
764 asprintf(&tmp, "Verifying fileset #%ld", current_afioball_number);
765 /*log_it(tmp); */
766 update_progress_form(tmp);
767 paranoid_free(tmp);
768
769 res = verify_an_afioball_from_stream(bkpinfo, fname, size);
770 if (res) {
771 asprintf(&tmp, "Afioball %ld differs from live filesystem",
772 current_afioball_number);
773 log_to_screen(tmp);
774 paranoid_free(tmp);
775 }
776 retval += res;
777 current_afioball_number++;
778 g_current_progress++;
779 res = read_header_block_from_stream(&size, fname, &ctrl_chr);
780 if (ctrl_chr != BLK_STOP_AN_AFIO_OR_SLICE) {
781 wrong_marker(BLK_STOP_AN_AFIO_OR_SLICE, ctrl_chr);
782 }
783 }
784 log_msg(1, "All done with afioballs");
785 close_progress_form();
786 paranoid_free(fname);
787 return (retval);
788}
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(struct s_bkpinfo *bkpinfo)
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, *logical_fname;
813 char *comment;
814 char *curr_xattr_list_fname;
815 char *curr_acl_list_fname;
816 /*@ pointers ******************************************************* */
817 char *p;
818
819 /*@ long long size ************************************************* */
820 long long size = 0;
821
822 assert(bkpinfo != NULL);
823 malloc_string(orig_fname);
824
825 asprintf(&curr_xattr_list_fname, XATTR_BIGGLST_FNAME_RAW_SZ,
826 bkpinfo->tmpdir);
827 asprintf(&curr_acl_list_fname, ACL_BIGGLST_FNAME_RAW_SZ,
828 bkpinfo->tmpdir);
829 asprintf(&comment, "Verifying all bigfiles.");
830 log_to_screen(comment);
831 /*
832 asprintf(&tmp, "%s/biggielist.txt", bkpinfo->tmpdir);
833 noof_biggiefiles = count_lines_in_file (tmp); // pointless
834 paranoid_free(tmp);
835 */
836 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
837 if (ctrl_chr != BLK_START_BIGGIEFILES) {
838 if (ctrl_chr == BLK_START_EXTENDED_ATTRIBUTES) {
839 iamhere("Grabbing the EXAT biggiefiles");
840 res =
841 read_EXAT_files_from_tape(bkpinfo, &size, orig_fname,
842 &ctrl_chr, curr_xattr_list_fname,
843 curr_acl_list_fname);
844 }
845 }
846 paranoid_free(curr_xattr_list_fname);
847 paranoid_free(curr_acl_list_fname);
848
849 if (ctrl_chr != BLK_START_BIGGIEFILES) {
850 wrong_marker(BLK_START_BIGGIEFILES, ctrl_chr);
851 }
852 noof_biggiefiles = (long) size;
853 log_msg(1, "noof_biggiefiles = %ld", noof_biggiefiles);
854 open_progress_form("Verifying big files", comment,
855 "Please wait. This may take some time.", "",
856 noof_biggiefiles);
857 paranoid_free(comment);
858
859 for (res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr);
860 ctrl_chr != BLK_STOP_BIGGIEFILES;
861 res = read_header_block_from_stream(&size, orig_fname, &ctrl_chr))
862 {
863 if (ctrl_chr != BLK_START_A_NORMBIGGIE
864 && ctrl_chr != BLK_START_A_PIHBIGGIE) {
865 wrong_marker(BLK_START_A_NORMBIGGIE, ctrl_chr);
866 }
867 p = strrchr(orig_fname, '/');
868 if (!p) {
869 p = orig_fname;
870 } else {
871 p++;
872 }
873 asprintf(&comment, "Verifying bigfile #%ld (%ld K)",
874 current_biggiefile_number, (long) size >> 10);
875 update_progress_form(comment);
876 paranoid_free(comment);
877
878 asprintf(&logical_fname, "%s/%s", bkpinfo->restore_path,
879 orig_fname);
880 res =
881 verify_a_biggiefile_from_stream(bkpinfo, logical_fname, size);
882 paranoid_free(logical_fname);
883 retval += res;
884 current_biggiefile_number++;
885 g_current_progress++;
886 }
887 close_progress_form();
888 paranoid_free(orig_fname);
889 return (retval);
890}
891
892/* @} - end of LLverifyGroup */
893
894
895/**
896 * Verify the CD indicated by @c g_current_media_number.
897 * @param bkpinfo The backup information structure. Fields used:
898 * - @c bkpinfo->isodir
899 * - @c bkpinfo->prefix
900 * - @c bkpinfo->manual_cd_tray
901 * - @c bkpinfo->media_device
902 * - @c bkpinfo->nfs_remote_dir
903 * - @c bkpinfo->tmpdir
904 * - @c bkpinfo->verify_data
905 *
906 * @return 0 for success (even if differences are found), nonzero for failure.
907 * @ingroup verifyGroup
908 */
909int verify_cd_image(struct s_bkpinfo *bkpinfo)
910{
911
912 /*@ int ************************************************************ */
913 int retval = 0;
914
915 /*@ buffers ******************************************************** */
916 char *mountpoint;
917 char *command;
918 char *tmp;
919 char *fname;
920#ifdef __FreeBSD__
921 char mdd[32];
922 char *mddevice = mdd;
923 int ret = 0;
924 int vndev = 2;
925#else
926//skip
927#endif
928
929 assert(bkpinfo != NULL);
930
931 asprintf(&mountpoint, "%s/cdrom", bkpinfo->tmpdir);
932 asprintf(&fname, "%s/%s/%s-%d.iso", bkpinfo->isodir, bkpinfo->prefix,
933 bkpinfo->nfs_remote_dir, g_current_media_number);
934
935 mkdir(mountpoint, 1777);
936 sync();
937 if (!does_file_exist(fname)) {
938 asprintf(&tmp,
939 "%s not found; assuming you backed up to CD; verifying CD...",
940 fname);
941 log_msg(2, tmp);
942 paranoid_free(tmp);
943
944 if (bkpinfo->manual_cd_tray) {
945 popup_and_OK("Please push CD tray closed.");
946 }
947 if (find_and_mount_actual_cd(bkpinfo, mountpoint)) {
948 log_to_screen("failed to mount actual CD");
949 return (1);
950 }
951 } else {
952 asprintf(&tmp, "%s found; verifying ISO...", fname);
953 log_to_screen(tmp);
954 paranoid_free(tmp);
955#ifdef __FreeBSD__
956 ret = 0;
957 vndev = 2;
958 mddevice = make_vn(fname);
959 if (ret) {
960 asprintf(&tmp, "make_vn of %s failed; unable to verify ISO\n",
961 fname);
962 log_to_screen(tmp);
963 paranoid_free(tmp);
964 return (1);
965 }
966 asprintf(&command, "mount_cd9660 %s %s", mddevice, mountpoint);
967#else
968 asprintf(&command, "mount -o loop,ro -t iso9660 %s %s", fname,
969 mountpoint);
970#endif
971 if (run_program_and_log_output(command, FALSE)) {
972 asprintf(&tmp, "%s failed; unable to mount ISO image\n",
973 command);
974 log_to_screen(tmp);
975 paranoid_free(tmp);
976 return (1);
977 }
978 paranoid_free(command);
979 }
980 log_msg(2, "OK, I've mounted the ISO/CD\n");
981 asprintf(&tmp, "%s/archives/NOT-THE-LAST", mountpoint);
982 if (!does_file_exist(tmp)) {
983 log_msg
984 (2,
985 "This is the last CD. I am therefore setting bkpinfo->verify_data to FALSE.");
986 bkpinfo->verify_data = FALSE;
987/*
988 (a) It's an easy way to tell the calling subroutine that we've finished &
989 there are no more CD's to be verified; (b) It stops the post-backup verifier
990 from running after the per-CD verifier has run too.
991*/
992 }
993 paranoid_free(tmp);
994
995 verify_afioballs_on_CD(bkpinfo, mountpoint);
996 iamhere("before verify_all_slices");
997 verify_all_slices_on_CD(bkpinfo, mountpoint);
998
999#ifdef __FreeBSD__
1000 ret = 0;
1001 asprintf(&command, "umount %s", mountpoint);
1002 ret += system(command);
1003
1004 ret += kick_vn(mddevice);
1005 if (ret)
1006#else
1007 asprintf(&command, "umount %s", mountpoint);
1008
1009 if (system(command))
1010#endif
1011 {
1012 asprintf(&tmp, "%s failed; unable to unmount ISO image\n",
1013 command);
1014 log_to_screen(tmp);
1015 paranoid_free(tmp);
1016 retval++;
1017 } else {
1018 log_msg(2, "OK, I've unmounted the ISO file\n");
1019 }
1020 paranoid_free(command);
1021 paranoid_free(mountpoint);
1022
1023 if (!does_file_exist(fname)) {
1024 asprintf(&command, "umount %s", bkpinfo->media_device);
1025 run_program_and_log_output(command, 2);
1026 paranoid_free(command);
1027
1028 if (!bkpinfo->please_dont_eject
1029 && eject_device(bkpinfo->media_device)) {
1030 log_msg(2, "Failed to eject CD-ROM drive");
1031 }
1032 }
1033 paranoid_free(fname);
1034 return (retval);
1035}
1036
1037
1038/**
1039 * Verify all backups on tape.
1040 * This should be done after the backup process has already closed the tape.
1041 * @param bkpinfo The backup information structure. Passed to various helper functions.
1042 * @return 0 for success (even if thee were differences), nonzero for failure.
1043 * @ingroup verifyGroup
1044 */
1045int verify_tape_backups(struct s_bkpinfo *bkpinfo)
1046{
1047
1048 /*@ int ************************************************************ */
1049 int retval = 0;
1050
1051 /*@ buffers ******************************************************** */
1052 char *tmp;
1053 char *changed_files_fname;
1054
1055 /*@ long *********************************************************** */
1056 long diffs = 0;
1057
1058 assert(bkpinfo != NULL);
1059
1060 log_msg(3, "verify_tape_backups --- starting");
1061 log_to_screen("Verifying backups");
1062 openin_tape(bkpinfo);
1063
1064 /* verify archives themselves */
1065 retval += verify_afioballs_from_stream(bkpinfo);
1066 retval += verify_biggiefiles_from_stream(bkpinfo);
1067
1068 /* find the final blocks */
1069 paranoid_system("sync");
1070 sleep(2);
1071 closein_tape(bkpinfo);
1072
1073 /* close tape; exit */
1074 // fclose(g_tape_stream); <-- not needed; is handled by closein_tape()
1075 paranoid_system
1076 ("rm -f /tmp/biggies.changed /tmp/changed.files.[0-9]* 2> /dev/null");
1077 asprintf(&changed_files_fname, "/tmp/changed.files.%d",
1078 (int) (random() % 32767));
1079 asprintf(&tmp,
1080 "cat %s | grep -x \"%s:.*\" | cut -d'\"' -f2 | sort -u | awk '{print \"/\"$0;};' | tr -s '/' '/' | grep -v \"(total of\" | grep -v \"incheckentry.*xwait\" | grep -vx \"/afio:.*\" | grep -vx \"dev/.*\" > %s",
1081 MONDO_LOGFILE, (bkpinfo->use_star) ? "star" : "afio",
1082 changed_files_fname);
1083 log_msg(2, "Running command to derive list of changed files");
1084 log_msg(2, tmp);
1085 if (system(tmp)) {
1086 if (does_file_exist(changed_files_fname)
1087 && length_of_file(changed_files_fname) > 2) {
1088 log_to_screen
1089 ("Warning - unable to check logfile to derive list of changed files");
1090 } else {
1091 log_to_screen
1092 ("No differences found. Therefore, no 'changed.files' text file.");
1093 }
1094 }
1095 paranoid_free(tmp);
1096
1097 asprintf(&tmp, "cat /tmp/biggies.changed >> %s", changed_files_fname);
1098 paranoid_system(tmp);
1099 paranoid_free(tmp);
1100
1101 diffs = count_lines_in_file(changed_files_fname);
1102 if (diffs > 0) {
1103 asprintf(&tmp, "cp -f %s %s", changed_files_fname,
1104 "/tmp/changed.files");
1105 run_program_and_log_output(tmp, FALSE);
1106 paranoid_free(tmp);
1107
1108 asprintf(&tmp,
1109 "%ld files differed from live filesystem; type less %s or less %s to see",
1110 diffs, changed_files_fname, "/tmp/changed.files");
1111 log_msg(0, tmp);
1112 paranoid_free(tmp);
1113
1114 log_to_screen
1115 ("See /tmp/changed.files for a list of nonmatching files.");
1116 log_to_screen
1117 ("The files probably changed on filesystem, not on backup media.");
1118 // retval++;
1119 }
1120 paranoid_free(changed_files_fname);
1121 return (retval);
1122}
1123
1124
1125/**
1126 * Generate the filename of a tarball to verify.
1127 * @param bkpinfo The backup information structure. @c bkpinfo->zip_suffix is the only field used.
1128 * @param mountpoint The directory where the CD/DVD/ISO is mounted.
1129 * @param setno The afioball number to get the location of.
1130 * @return The absolute path to the afioball.
1131 * @note The returned string points to static data that will be overwritten with each call.
1132 * @ingroup stringGroup
1133 */
1134char *vfy_tball_fname(struct s_bkpinfo *bkpinfo, char *mountpoint,
1135 int setno)
1136{
1137 /*@ buffers ******************************************************* */
1138 static char *output;
1139
1140 assert(bkpinfo != NULL);
1141 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
1142 asprintf(&output, "%s/archives/%d.star.%s", mountpoint, setno,
1143 bkpinfo->zip_suffix);
1144 if (!does_file_exist(output)) {
1145 paranoid_free(output);
1146 asprintf(&output, "%s/archives/%d.afio.%s", mountpoint, setno,
1147 bkpinfo->zip_suffix);
1148 }
1149 return (output);
1150}
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