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Lines 22-27
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| 22 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
22 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 23 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
23 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 24 |
* SUCH DAMAGE. |
24 |
* SUCH DAMAGE. |
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|
25 |
* |
| 26 |
* geom-aware portions of logreaderror() Copyright (c) 2015 Perry Hutchison |
| 27 |
* <perryh@pluto.rain.com>, licensed on the same terms as above. |
| 25 |
*/ |
28 |
*/ |
| 26 |
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29 |
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| 27 |
static const char rcsid[] = |
30 |
static const char rcsid[] = |
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Lines 58-63
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| 58 |
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61 |
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| 59 |
#define READ_SIZE (64 << 10) |
62 |
#define READ_SIZE (64 << 10) |
| 60 |
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63 |
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|
64 |
/* |
| 65 |
* Customize format strings according to what printf et al. want for a quad_t. |
| 66 |
* |
| 67 |
* This should not be necessary -- the whole point of %qd is to match a quad_t |
| 68 |
* -- but in LP64 a quad_t is the same size as a long and yet %qd is treated as |
| 69 |
* equivalent to %lld (which is correct only if a long is 32 bits, as in ILP32). |
| 70 |
*/ |
| 71 |
#ifdef LP64 |
| 72 |
#define QD "%ld" |
| 73 |
#else |
| 74 |
#define QD "%qd" |
| 75 |
#endif |
| 76 |
|
| 61 |
struct disk { |
77 |
struct disk { |
| 62 |
int fd; |
78 |
int fd; |
| 63 |
char *device; |
79 |
char *device; |
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Lines 125-134
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| 125 |
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141 |
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| 126 |
initial_debug = debug; |
142 |
initial_debug = debug; |
| 127 |
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143 |
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| 128 |
openlog("diskcheckd", LOG_CONS|LOG_PID|(debug?LOG_PERROR:0), LOG_DAEMON); |
144 |
openlog("diskcheckd", LOG_CONS|LOG_PID|(debug?LOG_PERROR:0), |
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|
145 |
LOG_DAEMON); |
| 129 |
|
146 |
|
| 130 |
if (!debug && daemon(0, 0) < 0) { |
147 |
if (!debug && daemon(0, 0) < 0) { |
| 131 |
syslog(LOG_NOTICE, "daemon failure: %m"); |
148 |
syslog(LOG_NOTICE, "daemon() failure: %m"); |
| 132 |
exit(EXIT_FAILURE); |
149 |
exit(EXIT_FAILURE); |
| 133 |
} |
150 |
} |
| 134 |
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151 |
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Lines 309-334
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| 309 |
logreaderror(struct disk *dp, int nbytes) { |
326 |
logreaderror(struct disk *dp, int nbytes) { |
| 310 |
quad_t secno; |
327 |
quad_t secno; |
| 311 |
off_t saved_offset; |
328 |
off_t saved_offset; |
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|
329 |
char newdev[512]; |
| 330 |
|
| 331 |
#ifdef DIOCGDINFO |
| 312 |
int fd, slice, part; |
332 |
int fd, slice, part; |
| 313 |
struct dos_partition *dos; |
333 |
struct dos_partition *dos; |
| 314 |
struct disklabel label; |
334 |
struct disklabel label; |
| 315 |
char buf[512]; |
335 |
char buf[512]; |
| 316 |
char newdev[512]; |
336 |
#else /* DIOCGDINFO */ |
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|
337 |
static size_t geomSize = 0; |
| 338 |
static char * geomConf = NULL; |
| 339 |
char * cp; |
| 340 |
static size_t partLen = 31; |
| 341 |
static char *part = NULL; |
| 342 |
quad_t relsec = -1; |
| 343 |
char *typefld = NULL; |
| 344 |
#endif /* DIOCGDINFO */ |
| 317 |
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345 |
|
| 318 |
saved_offset = dseek(dp, 0, SEEK_CUR); |
346 |
saved_offset = dseek(dp, 0, SEEK_CUR); |
| 319 |
secno = (quad_t)saved_offset / dp->secsize; |
347 |
secno = (quad_t)saved_offset / dp->secsize; |
| 320 |
dp->errors++; |
348 |
dp->errors++; |
| 321 |
|
349 |
|
| 322 |
syslog(LOG_NOTICE, "error reading %d bytes from sector %qd on %s", |
350 |
syslog(LOG_NOTICE, "error reading %d bytes from sector " QD " on %s", |
| 323 |
nbytes, secno, dp->device); |
351 |
nbytes, secno, dp->device); |
| 324 |
|
352 |
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|
353 |
#ifdef DIOCGDINFO |
| 325 |
/* |
354 |
/* |
| 326 |
* First, find out which slice it's in. To do this, we seek to the |
355 |
* First, find out which slice it's in. To do this, we seek to the |
| 327 |
* start of the disk, read the first sector, and go through the DOS |
356 |
* start of the disk, read the first sector, and go through the DOS |
| 328 |
* slice table. |
357 |
* slice table. |
| 329 |
*/ |
358 |
*/ |
| 330 |
if (dseek(dp, 0, SEEK_SET) == -1) |
359 |
if (dseek(dp, 0, SEEK_SET) == -1) { |
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|
360 |
syslog(LOG_NOTICE, "could not seek to start of disk: %m"); |
| 331 |
exit(EXIT_FAILURE); |
361 |
exit(EXIT_FAILURE); |
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|
362 |
} |
| 332 |
|
363 |
|
| 333 |
if (read(dp->fd, buf, sizeof buf) != sizeof buf) { |
364 |
if (read(dp->fd, buf, sizeof buf) != sizeof buf) { |
| 334 |
dseek(dp, saved_offset, SEEK_SET); |
365 |
dseek(dp, saved_offset, SEEK_SET); |
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Lines 336-344
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| 336 |
} |
367 |
} |
| 337 |
|
368 |
|
| 338 |
/* seek back to where we were */ |
369 |
/* seek back to where we were */ |
| 339 |
if (dseek(dp, saved_offset, SEEK_SET) == -1) |
370 |
if (dseek(dp, saved_offset, SEEK_SET) == -1) { |
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|
371 |
syslog(LOG_NOTICE, |
| 372 |
"could not seek to previous position" |
| 373 |
"after reading first sector: %m"); |
| 340 |
exit(EXIT_FAILURE); |
374 |
exit(EXIT_FAILURE); |
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|
375 |
} |
| 341 |
|
376 |
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|
377 |
// TODO: should validate DOS partition table (vs GPT or dedicated) |
| 342 |
dos = (struct dos_partition *)&buf[DOSPARTOFF]; |
378 |
dos = (struct dos_partition *)&buf[DOSPARTOFF]; |
| 343 |
for (slice = 0; slice < NDOSPART; slice++) |
379 |
for (slice = 0; slice < NDOSPART; slice++) |
| 344 |
if (dos[slice].dp_start <= secno && |
380 |
if (dos[slice].dp_start <= secno && |
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Lines 347-353
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| 347 |
|
383 |
|
| 348 |
if (slice == NDOSPART) { |
384 |
if (slice == NDOSPART) { |
| 349 |
syslog(LOG_NOTICE, |
385 |
syslog(LOG_NOTICE, |
| 350 |
"sector %qd on %s doesn't appear " |
386 |
"sector " QD " on %s doesn't appear " |
| 351 |
"to be within any DOS slice", secno, dp->device); |
387 |
"to be within any DOS slice", secno, dp->device); |
| 352 |
return; |
388 |
return; |
| 353 |
} |
389 |
} |
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Lines 361-368
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|
| 361 |
/* Check the type of that partition. */ |
397 |
/* Check the type of that partition. */ |
| 362 |
if (dos[slice].dp_typ != DOSPTYP_386BSD) { |
398 |
if (dos[slice].dp_typ != DOSPTYP_386BSD) { |
| 363 |
/* If not a BSD slice, we can't do much more. */ |
399 |
/* If not a BSD slice, we can't do much more. */ |
| 364 |
syslog(LOG_NOTICE, "last bad sector is sector %qd " |
400 |
syslog(LOG_NOTICE, "last bad sector is sector " QD |
| 365 |
"on device %s, type %02x", secno, newdev, |
401 |
" on device %s, type %02x", secno, newdev, |
| 366 |
dos[slice].dp_typ); |
402 |
dos[slice].dp_typ); |
| 367 |
return; |
403 |
return; |
| 368 |
} |
404 |
} |
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Lines 389-395
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| 389 |
|
425 |
|
| 390 |
if (part == MAXPARTITIONS) { |
426 |
if (part == MAXPARTITIONS) { |
| 391 |
syslog(LOG_NOTICE, |
427 |
syslog(LOG_NOTICE, |
| 392 |
"sector %qd on %s doesn't appear " |
428 |
"sector " QD " on %s doesn't appear " |
| 393 |
"to be within any BSD partition", secno, newdev); |
429 |
"to be within any BSD partition", secno, newdev); |
| 394 |
return; |
430 |
return; |
| 395 |
} |
431 |
} |
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Lines 400-413
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| 400 |
syslog(LOG_DEBUG, "bad sector seems to be within %s", newdev); |
436 |
syslog(LOG_DEBUG, "bad sector seems to be within %s", newdev); |
| 401 |
if (label.d_partitions[part].p_fstype != FS_BSDFFS) { |
437 |
if (label.d_partitions[part].p_fstype != FS_BSDFFS) { |
| 402 |
/* Again, if not a BSD partition, can't do much. */ |
438 |
/* Again, if not a BSD partition, can't do much. */ |
| 403 |
syslog(LOG_NOTICE, "last bad sector is sector %qd " |
439 |
syslog(LOG_NOTICE, "last bad sector is sector " QD |
| 404 |
"on device %s, type %s", secno, newdev, |
440 |
" on device %s, type %s", secno, newdev, |
| 405 |
fstypename(label.d_partitions[part].p_fstype)); |
441 |
fstypename(label.d_partitions[part].p_fstype)); |
| 406 |
return; |
442 |
return; |
| 407 |
} |
443 |
} |
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|
444 |
#else /* DIOCGDINFO */ |
| 445 |
if (geomSize == 0) { |
| 446 |
sysctlbyname("kern.geom.conftxt", NULL, &geomSize, NULL, 0); |
| 447 |
if (geomSize <= 0) { |
| 448 |
printf("sysctlbyname() returned size = %d\n", geomSize); |
| 449 |
geomSize = 0; |
| 450 |
exit(EXIT_FAILURE); |
| 451 |
} |
| 452 |
geomConf = malloc(geomSize); |
| 453 |
if (geomConf == NULL) { |
| 454 |
printf("malloc(%d) returned NULL\n", geomSize); |
| 455 |
geomSize = 0; |
| 456 |
exit(EXIT_FAILURE); |
| 457 |
} |
| 458 |
if (sysctlbyname("kern.geom.conftxt", geomConf, &geomSize, |
| 459 |
NULL, 0) != 0) { |
| 460 |
perror("sysctlbyname()"); |
| 461 |
geomSize = 0; |
| 462 |
free(geomConf); |
| 463 |
geomConf = NULL; |
| 464 |
exit(EXIT_FAILURE); |
| 465 |
} |
| 466 |
} |
| 467 |
if (part == NULL) |
| 468 |
part = malloc(partLen + 1); |
| 469 |
|
| 470 |
for ( cp = geomConf ; *cp ; ++cp ) { |
| 471 |
// find line "0 DISK " matching current disk, using |
| 472 |
// strncmp because where cp points is not null-terminated |
| 473 |
// (All DISK lines, and only DISK lines, are at level 0.) |
| 474 |
// Magic numbers: 7 == strlen("0 DISK "); 5 == strlen("/dev/") |
| 475 |
if (strncmp(cp, "0 DISK ", 7) == 0 |
| 476 |
&& strncmp(&cp[7], &dp->device[5], strlen(dp->device) - 5) == 0 |
| 477 |
&& cp[7 + strlen(dp->device) - 5] == ' ') { |
| 478 |
for (;;) { |
| 479 |
// scan to end of line |
| 480 |
while (cp[1] && *cp != '\n') |
| 481 |
++cp; |
| 482 |
++cp; // start of next line |
| 483 |
// Find PART line containing the failed sector; |
| 484 |
// must be on same disk => stop upon finding |
| 485 |
// another DISK line. If more than one matching |
| 486 |
// PART -- due to nested geoms -- use the last |
| 487 |
// (innermost). |
| 488 |
if (*cp == '\0' || *cp == '0') |
| 489 |
break; // end of current DISK's entries |
| 490 |
// scan to end of level number |
| 491 |
while (cp[1] && *cp != ' ') |
| 492 |
++cp; |
| 493 |
if (strncmp(cp, " PART ", 6) == 0) { |
| 494 |
char *pp = &cp[6]; |
| 495 |
int pl = strchr(pp, ' ') - pp; |
| 496 |
quad_t mediasize, offset; |
| 497 |
long secsize; |
| 498 |
|
| 499 |
cp = pp + pl; // cp -> mediasize |
| 500 |
mediasize = strtoq(cp, &cp, 10); |
| 501 |
secsize = strtol(cp, &cp, 10); |
| 502 |
mediasize /= secsize; |
| 503 |
cp = strchr(cp, 'o') + 1; |
| 504 |
offset = strtoq(cp, &cp, 10) / secsize; |
| 505 |
if (secno >= offset |
| 506 |
&& (secno - offset) < mediasize) { |
| 507 |
if (pl > partLen) { |
| 508 |
part = realloc(part, |
| 509 |
pl+1); |
| 510 |
partLen = pl; |
| 511 |
} |
| 512 |
strncpy(part, pp, pl); |
| 513 |
part[pl] = '\0'; |
| 514 |
relsec = secno - offset; |
| 515 |
typefld = cp + 1; |
| 516 |
} |
| 517 |
} |
| 518 |
} |
| 519 |
} |
| 520 |
// scan to end of line |
| 521 |
while (cp[1] && *cp != '\n') |
| 522 |
++cp; |
| 523 |
} |
| 524 |
//// printf("part %s, relsec %qd, typefld %p: %.27s\n", |
| 525 |
//// part, relsec, typefld, typefld); |
| 526 |
secno = relsec; |
| 527 |
strncpy(newdev, part, sizeof(newdev) - 1); |
| 528 |
newdev[sizeof(newdev) - 1] = '\0'; // paranoia |
| 529 |
#endif /* DIOCGDINFO */ |
| 408 |
|
530 |
|
| 409 |
syslog(LOG_NOTICE, "last bad sector is sector %qd " |
531 |
syslog(LOG_NOTICE, "last bad sector is sector " QD |
| 410 |
"on 4.2BSD filesystem %s", secno, newdev); |
532 |
" on 4.2BSD filesystem %s", secno, newdev); |
| 411 |
|
533 |
|
| 412 |
/* |
534 |
/* |
| 413 |
* XXX: todo: find out which file on the BSD filesystem uses this |
535 |
* XXX: todo: find out which file on the BSD filesystem uses this |
|
Lines 472-483
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|
| 472 |
"#\tposition/size\tdays\trate\terrors\tintvl\tnext\n"); |
594 |
"#\tposition/size\tdays\trate\terrors\tintvl\tnext\n"); |
| 473 |
for (dp = disks; dp->device != NULL; dp++) |
595 |
for (dp = disks; dp->device != NULL; dp++) |
| 474 |
if (strcmp(dp->device, "*") != 0) { |
596 |
if (strcmp(dp->device, "*") != 0) { |
| 475 |
fprintf(fp, "%s %qd\n", dp->device, |
597 |
fprintf(fp, "%s " QD "\n", dp->device, |
| 476 |
(quad_t)dseek(dp, 0, SEEK_CUR)); |
598 |
(quad_t)dseek(dp, 0, SEEK_CUR)); |
| 477 |
if (debug) { |
599 |
if (debug) { |
| 478 |
fprintf(stderr, "%s %qd\n", dp->device, |
600 |
fprintf(stderr, "%s " QD "\n", dp->device, |
| 479 |
(quad_t)dseek(dp, 0, SEEK_CUR)); |
601 |
(quad_t)dseek(dp, 0, SEEK_CUR)); |
| 480 |
fprintf(stderr, "#\t%qd\t%d\t%d\t%d\t%qd\t%qd\n", |
602 |
fprintf(stderr, |
|
|
603 |
"#\t" QD "\t%d\t%d\t%d\t" QD "\t" QD |
| 604 |
"\n", |
| 481 |
(quad_t)dp->size, dp->days, dp->rate, |
605 |
(quad_t)dp->size, dp->days, dp->rate, |
| 482 |
dp->errors, dp->interval, dp->next); |
606 |
dp->errors, dp->interval, dp->next); |
| 483 |
} |
607 |
} |