plugins/check_ide_smart.c

   1 /*
   2  *  check_ide-smart v.1 - hacked version of ide-smart for Nagios
   3  *  Copyright (C) 2000 Robert Dale <rdale@digital-mission.com>
   4  *
   5  *  Nagios - http://www.nagios.org
   6  *
   7  *  Notes:
   8  *         ide-smart has the same functionality as before. Some return
   9  *         values were changed, otherwise the --nagios option was added.
  10  *
  11  *         Run with:  check_ide-smart --nagios [-d] <DRIVE>
  12  *         Where DRIVE is an IDE drive, ie. /dev/hda, /dev/hdb, /dev/hdc
  13  *
  14  *           - Returns 0 on no errors
  15  *           - Returns 1 on advisories
  16  *           - Returns 2 on prefailure
  17  *           - Returns -1 not too often
  18  *
  19  *  ide-smart 1.3 - IDE S.M.A.R.T. checking tool
  20  *  Copyright (C) 1998-1999 Ragnar Hojland Espinosa <ragnar@lightside.dhis.org>
  21  *                1998      Gadi Oxman <gadio@netvision.net.il>
  22  *
  23  *  This program is free software; you can redistribute it and/or modify
  24  *  it under the terms of the GNU General Public License as published by
  25  *  the Free Software Foundation; either version 2 of the License, or
  26  *  (at your option) any later version.
  27  *
  28  *  This program is distributed in the hope that it will be useful,
  29  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  30  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  31  *  GNU General Public License for more details.
  32  *
  33  *  You should have received a copy of the GNU General Public License
  34  *  along with this program; if not, write to the Free Software
  35  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  36  *
  37  * $Id$
  38  */
  39
  40 const char *progname = "check_ide_smart";
  41 const char *revision = "$Revision$";
  42 const char *copyright = "2000-2004";
  43 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  44
  45 #include "common.h"
  46 #include "utils.h"
  47
  48 void print_help (void);
  49 void print_usage (void);
  50
  51 #include <sys/stat.h>
  52 #include <sys/ioctl.h>
  53 #include <fcntl.h>
  54 #include <linux/hdreg.h>
  55 #include <linux/types.h>
  56 #include <errno.h>
  57
  58 #define NR_ATTRIBUTES   30
  59
  60 #ifndef TRUE
  61 #define TRUE 1
  62 #endif  /*  */
  63
  64 #define PREFAILURE 2
  65 #define ADVISORY 1
  66 #define OPERATIONAL 0
  67 #define UNKNOWN -1
  68
  69 typedef struct threshold_s
  70 {
  71         __u8 id;
  72         __u8 threshold;
  73         __u8 reserved[10];
  74 }
  75 __attribute__ ((packed)) threshold_t;
  76
  77 typedef struct thresholds_s
  78 {
  79         __u16 revision;
  80         threshold_t thresholds[NR_ATTRIBUTES];
  81         __u8 reserved[18];
  82         __u8 vendor[131];
  83         __u8 checksum;
  84 }
  85 __attribute__ ((packed)) thresholds_t;
  86
  87 typedef struct value_s
  88 {
  89         __u8 id;
  90         __u16 status;
  91         __u8 value;
  92         __u8 vendor[8];
  93 }
  94 __attribute__ ((packed)) value_t;
  95
  96 typedef struct values_s
  97 {
  98         __u16 revision;
  99         value_t values[NR_ATTRIBUTES];
 100         __u8 offline_status;
 101         __u8 vendor1;
 102         __u16 offline_timeout;
 103         __u8 vendor2;
 104         __u8 offline_capability;
 105         __u16 smart_capability;
 106         __u8 reserved[16];
 107         __u8 vendor[125];
 108         __u8 checksum;
 109 }
 110 __attribute__ ((packed)) values_t;
 111
 112 struct
 113 {
 114         __u8 value;
 115         char *text;
 116 }
 117
 118 offline_status_text[] =
 119         {
 120                 {0x00, "NeverStarted"},
 121                 {0x02, "Completed"},
 122                 {0x04, "Suspended"},
 123                 {0x05, "Aborted"},
 124                 {0x06, "Failed"},
 125                 {0, 0}
 126         };
 127
 128 struct
 129 {
 130         __u8 value;
 131         char *text;
 132 }
 133
 134 smart_command[] =
 135         {
 136                 {SMART_ENABLE, "SMART_ENABLE"},
 137                 {SMART_DISABLE, "SMART_DISABLE"},
 138                 {SMART_IMMEDIATE_OFFLINE, "SMART_IMMEDIATE_OFFLINE"},
 139                 {SMART_AUTO_OFFLINE, "SMART_AUTO_OFFLINE"}
 140         };
 141
 142
 143 /* Index to smart_command table, keep in order */
 144 enum SmartCommand
 145         { SMART_CMD_ENABLE,
 146                 SMART_CMD_DISABLE,
 147                 SMART_CMD_IMMEDIATE_OFFLINE,
 148                 SMART_CMD_AUTO_OFFLINE
 149         };
 150
 151 void print_values (values_t * p, thresholds_t * t);
 152 int smart_cmd_simple (int fd, enum SmartCommand command, __u8 val0, char show_error);
 153
 154 int
 155 main (int argc, char *argv[])
 156 {
 157         char *device = NULL;
 158         int command = -1;
 159         int o, longindex;
 160         int retval = 0;
 161
 162         thresholds_t thresholds;
 163         values_t values;
 164         int fd;
 165
 166         static struct option longopts[] = {
 167                 {"device", required_argument, 0, 'd'},
 168                 {"immediate", no_argument, 0, 'i'},
 169                 {"quiet-check", no_argument, 0, 'q'},
 170                 {"auto-on", no_argument, 0, '1'},
 171                 {"auto-off", no_argument, 0, '0'},
 172                 {"nagios", no_argument, 0, 'n'},
 173                 {"help", no_argument, 0, 'h'},
 174                 {"version", no_argument, 0, 'V'}, {0, 0, 0, 0}
 175         };
 176
 177         setlocale (LC_ALL, "");
 178         bindtextdomain (PACKAGE, LOCALEDIR);
 179         textdomain (PACKAGE);
 180
 181         while (1) {
 182
 183                 o = getopt_long (argc, argv, "+d:iq10nhV", longopts, &longindex);
 184
 185                 if (o == -1 || o == EOF)
 186                         break;
 187
 188                 switch (o) {
 189                 case 'd':
 190                         device = optarg;
 191                         break;
 192                 case 'q':
 193                         command = 3;
 194                         break;
 195                 case 'i':
 196                         command = 2;
 197                         break;
 198                 case '1':
 199                         command = 1;
 200                         break;
 201                 case '0':
 202                         command = 0;
 203                         break;
 204                 case 'n':
 205                         command = 4;
 206                         break;
 207                 case 'h':
 208                         print_help ();
 209                         return STATE_OK;
 210                 case 'V':
 211                         print_revision (progname, revision);
 212                         return STATE_OK;
 213                 default:
 214                         usage2 (_("Unknown argument"), optarg);
 215                 }
 216
 217                 if (optind < argc) {
 218                         device = argv[optind];
 219                 }
 220
 221                 if (!device) {
 222                         print_help ();
 223                         return -1;
 224                 }
 225
 226                 fd = open (device, O_RDONLY);
 227
 228                 if (fd < 0) {
 229                         printf (_("CRITICAL - Couldn't open device: %s\n"), strerror (errno));
 230                         return 2;
 231                 }
 232
 233                 if (smart_cmd_simple (fd, SMART_CMD_ENABLE, 0, TRUE)) {
 234                         printf (_("CRITICAL - SMART_CMD_ENABLE\n"));
 235                         return 2;
 236                 }
 237
 238                 switch (command) {
 239                 case 0:
 240                         retval = smart_cmd_simple (fd, SMART_CMD_AUTO_OFFLINE, 0, TRUE);
 241                         break;
 242                 case 1:
 243                         retval = smart_cmd_simple (fd, SMART_CMD_AUTO_OFFLINE, 0xF8, TRUE);
 244                         break;
 245                 case 2:
 246                         retval = smart_cmd_simple (fd, SMART_CMD_IMMEDIATE_OFFLINE, 0, TRUE);
 247                         break;
 248                 case 3:
 249                         smart_read_values (fd, &values);
 250                         smart_read_thresholds (fd, &thresholds);
 251                         retval = values_not_passed (&values, &thresholds);
 252                         break;
 253                 case 4:
 254                         smart_read_values (fd, &values);
 255                         smart_read_thresholds (fd, &thresholds);
 256                         retval = nagios (&values, &thresholds);
 257                         break;
 258                 default:
 259                         smart_read_values (fd, &values);
 260                         smart_read_thresholds (fd, &thresholds);
 261                         print_values (&values, &thresholds);
 262                         break;
 263                 }
 264                 close (fd);
 265         }
 266         return retval;
 267 }
 268
 269
 270
 271 char *
 272 get_offline_text (int status)
 273 {
 274         int i;
 275         for (i = 0; offline_status_text[i].text; i++) {
 276                 if (offline_status_text[i].value == status) {
 277                         return offline_status_text[i].text;
 278                 }
 279         }
 280         return "UNKNOW";
 281 }
 282
 283
 284
 285 int
 286 smart_read_values (int fd, values_t * values)
 287 {
 288         int e;
 289         __u8 args[4 + 512];
 290         args[0] = WIN_SMART;
 291         args[1] = 0;
 292         args[2] = SMART_READ_VALUES;
 293         args[3] = 1;
 294         if (ioctl (fd, HDIO_DRIVE_CMD, &args)) {
 295                 e = errno;
 296                 printf (_("CRITICAL - SMART_READ_VALUES: %s\n"), strerror (errno));
 297                 return e;
 298         }
 299         memcpy (values, args + 4, 512);
 300         return 0;
 301 }
 302
 303
 304
 305 int
 306 values_not_passed (values_t * p, thresholds_t * t)
 307 {
 308         value_t * value = p->values;
 309         threshold_t * threshold = t->thresholds;
 310         int failed = 0;
 311         int passed = 0;
 312         int i;
 313         for (i = 0; i < NR_ATTRIBUTES; i++) {
 314                 if (value->id && threshold->id && value->id == threshold->id) {
 315                         if (value->value <= threshold->threshold) {
 316                                 ++failed;
 317                         }
 318                         else {
 319                                 ++passed;
 320                         }
 321                 }
 322                 ++value;
 323                 ++threshold;
 324         }
 325         return (passed ? -failed : 2);
 326 }
 327
 328
 329
 330 int
 331 nagios (values_t * p, thresholds_t * t)
 332 {
 333         value_t * value = p->values;
 334         threshold_t * threshold = t->thresholds;
 335         int status = OPERATIONAL;
 336         int prefailure = 0;
 337         int advisory = 0;
 338         int failed = 0;
 339         int passed = 0;
 340         int total = 0;
 341         int i;
 342         for (i = 0; i < NR_ATTRIBUTES; i++) {
 343                 if (value->id && threshold->id && value->id == threshold->id) {
 344                         if (value->value <= threshold->threshold) {
 345                                 ++failed;
 346                                 if (value->status & 1) {
 347                                         status = PREFAILURE;
 348                                         ++prefailure;
 349                                 }
 350                                 else {
 351                                         status = ADVISORY;
 352                                         ++advisory;
 353                                 }
 354                         }
 355                         else {
 356                                 ++passed;
 357                         }
 358                         ++total;
 359                 }
 360                 ++value;
 361                 ++threshold;
 362         }
 363         switch (status) {
 364         case PREFAILURE:
 365                 printf (_("CRITICAL - %d Harddrive PreFailure%cDetected! %d/%d tests failed.\n"),
 366                         prefailure,
 367                         prefailure > 1 ? 's' : ' ',
 368                         failed,
 369                   total);
 370                 break;
 371         case ADVISORY:
 372                 printf (_("WARNING - %d Harddrive Advisor%s Detected. %d/%d tests failed.\n"),
 373                         advisory,
 374                         advisory > 1 ? "ies" : "y",
 375                         failed,
 376                         total);
 377                 break;
 378         case OPERATIONAL:
 379                 printf (_("OK - Operational (%d/%d tests passed)\n"), passed, total);
 380                 break;
 381         default:
 382                 printf (_("ERROR - Status '%d' uknown. %d/%d tests passed\n"), status,
 383                                                 passed, total);
 384                 status = -1;
 385                 break;
 386         }
 387         return status;
 388 }
 389
 390
 391
 392 void
 393 print_value (value_t * p, threshold_t * t)
 394 {
 395         printf ("Id=%3d, Status=%2d {%s , %s}, Value=%3d, Threshold=%3d, %s\n",
 396                                         p->id, p->status, p->status & 1 ? "PreFailure" : "Advisory   ",
 397                                         p->status & 2 ? "OnLine " : "OffLine", p->value, t->threshold,
 398                                         p->value > t->threshold ? "Passed" : "Failed");
 399 }
 400
 401
 402
 403 void
 404 print_values (values_t * p, thresholds_t * t)
 405 {
 406         value_t * value = p->values;
 407         threshold_t * threshold = t->thresholds;
 408         int i;
 409         for (i = 0; i < NR_ATTRIBUTES; i++) {
 410                 if (value->id && threshold->id && value->id == threshold->id) {
 411                         print_value (value++, threshold++);
 412                 }
 413         }
 414         printf
 415                 (_("OffLineStatus=%d {%s}, AutoOffLine=%s, OffLineTimeout=%d minutes\n"),
 416                  p->offline_status,
 417                  get_offline_text (p->offline_status & 0x7f),
 418                  (p->offline_status & 0x80 ? "Yes" : "No"),
 419                  p->offline_timeout / 60);
 420         printf
 421                 (_("OffLineCapability=%d {%s %s %s}\n"),
 422                  p->offline_capability,
 423                  p->offline_capability & 1 ? "Immediate" : "",
 424                  p->offline_capability & 2 ? "Auto" : "",
 425                  p->offline_capability & 4 ? "AbortOnCmd" : "SuspendOnCmd");
 426         printf
 427                 (_("SmartRevision=%d, CheckSum=%d, SmartCapability=%d {%s %s}\n"),
 428                  p->revision,
 429                  p->checksum,
 430                  p->smart_capability,
 431                  p->smart_capability & 1 ? "SaveOnStandBy" : "",
 432                  p->smart_capability & 2 ? "AutoSave" : "");
 433 }
 434
 435
 436
 437 void
 438 print_thresholds (thresholds_t * p)
 439 {
 440         threshold_t * threshold = p->thresholds;
 441         int i;
 442         printf ("\n");
 443         printf ("SmartRevision=%d\n", p->revision);
 444         for (i = 0; i < NR_ATTRIBUTES; i++) {
 445                 if (threshold->id) {
 446                         printf ("Id=%3d, Threshold=%3d\n", threshold->id,
 447                                                         threshold->threshold); }
 448                 ++threshold;
 449         }
 450         printf ("CheckSum=%d\n", p->checksum);
 451 }
 452
 453 int
 454 smart_cmd_simple (int fd, enum SmartCommand command, __u8 val0, char show_error)
 455 {
 456         int e = 0;
 457         __u8 args[4];
 458         args[0] = WIN_SMART;
 459         args[1] = val0;
 460         args[2] = smart_command[command].value;
 461         args[3] = 0;
 462         if (ioctl (fd, HDIO_DRIVE_CMD, &args)) {
 463                 e = errno;
 464                 if (show_error) {
 465                         printf (_("CRITICAL - %s: %s\n"), smart_command[command].text, strerror (errno));
 466                 }
 467         }
 468         return e;
 469 }
 470
 471
 472
 473 int
 474 smart_read_thresholds (int fd, thresholds_t * thresholds)
 475 {
 476         int e;
 477         __u8 args[4 + 512];
 478         args[0] = WIN_SMART;
 479   args[1] = 0;
 480   args[2] = SMART_READ_THRESHOLDS;
 481   args[3] = 1;
 482         if (ioctl (fd, HDIO_DRIVE_CMD, &args)) {
 483                 e = errno;
 484                 printf (_("CRITICAL - SMART_READ_THRESHOLDS: %s\n"), strerror (errno));
 485                 return e;
 486         }
 487         memcpy (thresholds, args + 4, 512);
 488         return 0;
 489 }
 490
 491
 492 void
 493 print_help (void)
 494 {
 495         print_revision (progname, revision);
 496
 497         printf ("Nagios feature - 1999 Robert Dale <rdale@digital-mission.com>\n");
 498         printf ("(C) 1999 Ragnar Hojland Espinosa <ragnar@lightside.dhis.org>\n");
 499         printf (COPYRIGHT, copyright, email);
 500
 501         printf(_("This plugin checks this host's IDE hard drive through the (Linux specific) SMART command interface.\n\n"));
 502
 503         printf ("\
 504 Usage: %s [DEVICE] [OPTION]\n\
 505  -d, --device=DEVICE\n\
 506     Select device DEVICE\n\
 507  -i, --immediate\n\
 508     Perform immediately offline tests\n\
 509  -q, --quiet-check\n\
 510     Returns the number of failed tests\n\
 511  -1, --auto-on\n\
 512     Turn on automatic offline tests\n\
 513  -0, --auto-off\n\
 514     Turn off automatic offline tests\n\
 515  -n, --nagios\n\
 516     Output suitable for Nagios\n", progname);
 517 }
 518
 519
 520 void
 521 print_usage (void)
 522 {
 523         printf ("\
 524 Usage: %s [-d <device>] [-i <immediate>] [-q quiet] [-1 <auto-on>]\n\
 525                         [-O <auto-off>] [-n <nagios>]\n", progname);
 526 }