plugins/check_ide_smart.c

   1 /******************************************************************************
   2 * Nagios check_ide_smart plugin
   3 *
   4 * License: GPL
   5 *
   6 *  ide-smart 1.3 - IDE S.M.A.R.T. checking tool
   7 *  Copyright (C)  1998-1999 Ragnar Hojland Espinosa <ragnar@lightside.dhis.org>
   8 *                 1998      Gadi Oxman <gadio@netvision.net.il>
   9 *
  10 * Copyright (c) 2000 Robert Dale <rdale@digital-mission.com>
  11 * Copyright (c) 2000-2006 nagios-plugins team
  12 *
  13 * Last Modified: $Date$
  14 *
  15 * Description:
  16 *
  17 * This file contains the check_ide_smart plugin
  18 *
  19 *  This plugin checks a local hard drive with the (Linux specific) SMART interface
  20 *
  21 *
  22 * License Information:
  23 *
  24 * This program is free software; you can redistribute it and/or modify
  25 * it under the terms of the GNU General Public License as published by
  26 * the Free Software Foundation; either version 2 of the License, or
  27 * (at your option) any later version.
  28 *
  29 * This program is distributed in the hope that it will be useful,
  30 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  31 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  32 * GNU General Public License for more details.
  33 *
  34 * You should have received a copy of the GNU General Public License
  35 * along with this program; if not, write to the Free Software
  36 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  37  *
  38  * $Id$
  39  */
  40
  41 const char *progname = "check_ide_smart";
  42 const char *revision = "$Revision$";
  43 const char *copyright = "2000-2006";
  44 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  45
  46 #include "common.h"
  47 #include "utils.h"
  48
  49 void print_help (void);
  50 void print_usage (void);
  51
  52 #include <sys/stat.h>
  53 #include <sys/ioctl.h>
  54 #include <fcntl.h>
  55 #include <linux/hdreg.h>
  56 #include <linux/types.h>
  57 #include <errno.h>
  58
  59 #define NR_ATTRIBUTES   30
  60
  61 #ifndef TRUE
  62 #define TRUE 1
  63 #endif  /*  */
  64
  65 #define PREFAILURE 2
  66 #define ADVISORY 1
  67 #define OPERATIONAL 0
  68 #define UNKNOWN -1
  69
  70 typedef struct threshold_s
  71 {
  72         __u8 id;
  73         __u8 threshold;
  74         __u8 reserved[10];
  75 }
  76 __attribute__ ((packed)) threshold_t;
  77
  78 typedef struct thresholds_s
  79 {
  80         __u16 revision;
  81         threshold_t thresholds[NR_ATTRIBUTES];
  82         __u8 reserved[18];
  83         __u8 vendor[131];
  84         __u8 checksum;
  85 }
  86 __attribute__ ((packed)) thresholds_t;
  87
  88 typedef struct value_s
  89 {
  90         __u8 id;
  91         __u16 status;
  92         __u8 value;
  93         __u8 vendor[8];
  94 }
  95 __attribute__ ((packed)) value_t;
  96
  97 typedef struct values_s
  98 {
  99         __u16 revision;
 100         value_t values[NR_ATTRIBUTES];
 101         __u8 offline_status;
 102         __u8 vendor1;
 103         __u16 offline_timeout;
 104         __u8 vendor2;
 105         __u8 offline_capability;
 106         __u16 smart_capability;
 107         __u8 reserved[16];
 108         __u8 vendor[125];
 109         __u8 checksum;
 110 }
 111 __attribute__ ((packed)) values_t;
 112
 113 struct
 114 {
 115         __u8 value;
 116         char *text;
 117 }
 118
 119 offline_status_text[] =
 120         {
 121                 {0x00, "NeverStarted"},
 122                 {0x02, "Completed"},
 123                 {0x04, "Suspended"},
 124                 {0x05, "Aborted"},
 125                 {0x06, "Failed"},
 126                 {0, 0}
 127         };
 128
 129 struct
 130 {
 131         __u8 value;
 132         char *text;
 133 }
 134
 135 smart_command[] =
 136         {
 137                 {SMART_ENABLE, "SMART_ENABLE"},
 138                 {SMART_DISABLE, "SMART_DISABLE"},
 139                 {SMART_IMMEDIATE_OFFLINE, "SMART_IMMEDIATE_OFFLINE"},
 140                 {SMART_AUTO_OFFLINE, "SMART_AUTO_OFFLINE"}
 141         };
 142
 143
 144 /* Index to smart_command table, keep in order */
 145 enum SmartCommand
 146         { SMART_CMD_ENABLE,
 147                 SMART_CMD_DISABLE,
 148                 SMART_CMD_IMMEDIATE_OFFLINE,
 149                 SMART_CMD_AUTO_OFFLINE
 150         };
 151
 152 void print_values (values_t * p, thresholds_t * t);
 153 int smart_cmd_simple (int fd, enum SmartCommand command, __u8 val0, char show_error);
 154
 155 int
 156 main (int argc, char *argv[])
 157 {
 158         char *device = NULL;
 159         int command = -1;
 160         int o, longindex;
 161         int retval = 0;
 162
 163         thresholds_t thresholds;
 164         values_t values;
 165         int fd;
 166
 167         static struct option longopts[] = {
 168                 {"device", required_argument, 0, 'd'},
 169                 {"immediate", no_argument, 0, 'i'},
 170                 {"quiet-check", no_argument, 0, 'q'},
 171                 {"auto-on", no_argument, 0, '1'},
 172                 {"auto-off", no_argument, 0, '0'},
 173                 {"nagios", no_argument, 0, 'n'},
 174                 {"help", no_argument, 0, 'h'},
 175                 {"version", no_argument, 0, 'V'}, {0, 0, 0, 0}
 176         };
 177
 178         setlocale (LC_ALL, "");
 179         bindtextdomain (PACKAGE, LOCALEDIR);
 180         textdomain (PACKAGE);
 181
 182         while (1) {
 183
 184                 o = getopt_long (argc, argv, "+d:iq10nhV", longopts, &longindex);
 185
 186                 if (o == -1 || o == EOF || o == 1)
 187                         break;
 188
 189                 switch (o) {
 190                 case 'd':
 191                         device = optarg;
 192                         break;
 193                 case 'q':
 194                         command = 3;
 195                         break;
 196                 case 'i':
 197                         command = 2;
 198                         break;
 199                 case '1':
 200                         command = 1;
 201                         break;
 202                 case '0':
 203                         command = 0;
 204                         break;
 205                 case 'n':
 206                         command = 4;
 207                         break;
 208                 case 'h':
 209                         print_help ();
 210                         return STATE_OK;
 211                 case 'V':
 212                         print_revision (progname, revision);
 213                         return STATE_OK;
 214                 default:
 215                         usage5 ();
 216                 }
 217         }
 218
 219         if (optind < argc) {
 220                 device = argv[optind];
 221         }
 222
 223         if (!device) {
 224                 print_help ();
 225                 return STATE_OK;
 226         }
 227
 228         fd = open (device, O_RDONLY);
 229
 230         if (fd < 0) {
 231                 printf (_("CRITICAL - Couldn't open device %s: %s\n"), device, strerror (errno));
 232                 return STATE_CRITICAL;
 233         }
 234
 235         if (smart_cmd_simple (fd, SMART_CMD_ENABLE, 0, TRUE)) {
 236                 printf (_("CRITICAL - SMART_CMD_ENABLE\n"));
 237                 return STATE_CRITICAL;
 238         }
 239
 240         switch (command) {
 241         case 0:
 242                 retval = smart_cmd_simple (fd, SMART_CMD_AUTO_OFFLINE, 0, TRUE);
 243                 break;
 244         case 1:
 245                 retval = smart_cmd_simple (fd, SMART_CMD_AUTO_OFFLINE, 0xF8, TRUE);
 246                 break;
 247         case 2:
 248                 retval = smart_cmd_simple (fd, SMART_CMD_IMMEDIATE_OFFLINE, 0, TRUE);
 249                 break;
 250         case 3:
 251                 smart_read_values (fd, &values);
 252                 smart_read_thresholds (fd, &thresholds);
 253                 retval = values_not_passed (&values, &thresholds);
 254                 break;
 255         case 4:
 256                 smart_read_values (fd, &values);
 257                 smart_read_thresholds (fd, &thresholds);
 258                 retval = nagios (&values, &thresholds);
 259                 break;
 260         default:
 261                 smart_read_values (fd, &values);
 262                 smart_read_thresholds (fd, &thresholds);
 263                 print_values (&values, &thresholds);
 264                 break;
 265         }
 266         close (fd);
 267         return retval;
 268 }
 269
 270
 271
 272 char *
 273 get_offline_text (int status)
 274 {
 275         int i;
 276         for (i = 0; offline_status_text[i].text; i++) {
 277                 if (offline_status_text[i].value == status) {
 278                         return offline_status_text[i].text;
 279                 }
 280         }
 281         return "UNKNOW";
 282 }
 283
 284
 285
 286 int
 287 smart_read_values (int fd, values_t * values)
 288 {
 289         int e;
 290         __u8 args[4 + 512];
 291         args[0] = WIN_SMART;
 292         args[1] = 0;
 293         args[2] = SMART_READ_VALUES;
 294         args[3] = 1;
 295         if (ioctl (fd, HDIO_DRIVE_CMD, &args)) {
 296                 e = errno;
 297                 printf (_("CRITICAL - SMART_READ_VALUES: %s\n"), strerror (errno));
 298                 return e;
 299         }
 300         memcpy (values, args + 4, 512);
 301         return 0;
 302 }
 303
 304
 305
 306 int
 307 values_not_passed (values_t * p, thresholds_t * t)
 308 {
 309         value_t * value = p->values;
 310         threshold_t * threshold = t->thresholds;
 311         int failed = 0;
 312         int passed = 0;
 313         int i;
 314         for (i = 0; i < NR_ATTRIBUTES; i++) {
 315                 if (value->id && threshold->id && value->id == threshold->id) {
 316                         if (value->value <= threshold->threshold) {
 317                                 ++failed;
 318                         }
 319                         else {
 320                                 ++passed;
 321                         }
 322                 }
 323                 ++value;
 324                 ++threshold;
 325         }
 326         return (passed ? -failed : 2);
 327 }
 328
 329
 330
 331 int
 332 nagios (values_t * p, thresholds_t * t)
 333 {
 334         value_t * value = p->values;
 335         threshold_t * threshold = t->thresholds;
 336         int status = OPERATIONAL;
 337         int prefailure = 0;
 338         int advisory = 0;
 339         int failed = 0;
 340         int passed = 0;
 341         int total = 0;
 342         int i;
 343         for (i = 0; i < NR_ATTRIBUTES; i++) {
 344                 if (value->id && threshold->id && value->id == threshold->id) {
 345                         if (value->value <= threshold->threshold) {
 346                                 ++failed;
 347                                 if (value->status & 1) {
 348                                         status = PREFAILURE;
 349                                         ++prefailure;
 350                                 }
 351                                 else {
 352                                         status = ADVISORY;
 353                                         ++advisory;
 354                                 }
 355                         }
 356                         else {
 357                                 ++passed;
 358                         }
 359                         ++total;
 360                 }
 361                 ++value;
 362                 ++threshold;
 363         }
 364         switch (status) {
 365         case PREFAILURE:
 366                 printf (_("CRITICAL - %d Harddrive PreFailure%cDetected! %d/%d tests failed.\n"),
 367                         prefailure,
 368                         prefailure > 1 ? 's' : ' ',
 369                         failed,
 370                   total);
 371                 status=STATE_CRITICAL;
 372                 break;
 373         case ADVISORY:
 374                 printf (_("WARNING - %d Harddrive Advisor%s Detected. %d/%d tests failed.\n"),
 375                         advisory,
 376                         advisory > 1 ? "ies" : "y",
 377                         failed,
 378                         total);
 379                 status=STATE_WARNING;
 380                 break;
 381         case OPERATIONAL:
 382                 printf (_("OK - Operational (%d/%d tests passed)\n"), passed, total);
 383                 status=STATE_OK;
 384                 break;
 385         default:
 386                 printf (_("ERROR - Status '%d' unkown. %d/%d tests passed\n"), status,
 387                                                 passed, total);
 388                 status = STATE_UNKNOWN;
 389                 break;
 390         }
 391         return status;
 392 }
 393
 394
 395
 396 void
 397 print_value (value_t * p, threshold_t * t)
 398 {
 399         printf ("Id=%3d, Status=%2d {%s , %s}, Value=%3d, Threshold=%3d, %s\n",
 400                                         p->id, p->status, p->status & 1 ? "PreFailure" : "Advisory   ",
 401                                         p->status & 2 ? "OnLine " : "OffLine", p->value, t->threshold,
 402                                         p->value > t->threshold ? "Passed" : "Failed");
 403 }
 404
 405
 406
 407 void
 408 print_values (values_t * p, thresholds_t * t)
 409 {
 410         value_t * value = p->values;
 411         threshold_t * threshold = t->thresholds;
 412         int i;
 413         for (i = 0; i < NR_ATTRIBUTES; i++) {
 414                 if (value->id && threshold->id && value->id == threshold->id) {
 415                         print_value (value++, threshold++);
 416                 }
 417         }
 418         printf
 419                 (_("OffLineStatus=%d {%s}, AutoOffLine=%s, OffLineTimeout=%d minutes\n"),
 420                  p->offline_status,
 421                  get_offline_text (p->offline_status & 0x7f),
 422                  (p->offline_status & 0x80 ? "Yes" : "No"),
 423                  p->offline_timeout / 60);
 424         printf
 425                 (_("OffLineCapability=%d {%s %s %s}\n"),
 426                  p->offline_capability,
 427                  p->offline_capability & 1 ? "Immediate" : "",
 428                  p->offline_capability & 2 ? "Auto" : "",
 429                  p->offline_capability & 4 ? "AbortOnCmd" : "SuspendOnCmd");
 430         printf
 431                 (_("SmartRevision=%d, CheckSum=%d, SmartCapability=%d {%s %s}\n"),
 432                  p->revision,
 433                  p->checksum,
 434                  p->smart_capability,
 435                  p->smart_capability & 1 ? "SaveOnStandBy" : "",
 436                  p->smart_capability & 2 ? "AutoSave" : "");
 437 }
 438
 439
 440 int
 441 smart_cmd_simple (int fd, enum SmartCommand command, __u8 val0, char show_error)
 442 {
 443         int e = 0;
 444         __u8 args[4];
 445         args[0] = WIN_SMART;
 446         args[1] = val0;
 447         args[2] = smart_command[command].value;
 448         args[3] = 0;
 449         if (ioctl (fd, HDIO_DRIVE_CMD, &args)) {
 450                 e = errno;
 451                 if (show_error) {
 452                         printf (_("CRITICAL - %s: %s\n"), smart_command[command].text, strerror (errno));
 453                 }
 454         }
 455         return e;
 456 }
 457
 458
 459
 460 int
 461 smart_read_thresholds (int fd, thresholds_t * thresholds)
 462 {
 463         int e;
 464         __u8 args[4 + 512];
 465         args[0] = WIN_SMART;
 466   args[1] = 0;
 467   args[2] = SMART_READ_THRESHOLDS;
 468   args[3] = 1;
 469         if (ioctl (fd, HDIO_DRIVE_CMD, &args)) {
 470                 e = errno;
 471                 printf (_("CRITICAL - SMART_READ_THRESHOLDS: %s\n"), strerror (errno));
 472                 return e;
 473         }
 474         memcpy (thresholds, args + 4, 512);
 475         return 0;
 476 }
 477
 478
 479 void
 480 print_help (void)
 481 {
 482         print_revision (progname, revision);
 483
 484         printf ("Nagios feature - 1999 Robert Dale <rdale@digital-mission.com>\n");
 485         printf ("(C) 1999 Ragnar Hojland Espinosa <ragnar@lightside.dhis.org>\n");
 486         printf (COPYRIGHT, copyright, email);
 487
 488         printf (_("This plugin checks a local hard drive with the (Linux specific) SMART interface [http://smartlinux.sourceforge.net/smart/index.php]."));
 489
 490   printf ("\n\n");
 491
 492   print_usage ();
 493
 494   printf (_(UT_HELP_VRSN));
 495
 496   printf (" %s\n", "-d, --device=DEVICE");
 497   printf ("    %s\n", _("Select device DEVICE"));
 498   printf ("    %s\n", _("Note: if the device is selected with this option, _no_ other options are accepted"));
 499   printf (" %s\n", "-i, --immediate");
 500   printf ("    %s\n", _("Perform immediately offline tests"));
 501   printf (" %s\n", "-q, --quiet-check");
 502   printf ("    %s\n", _("Returns the number of failed tests"));
 503   printf (" %s\n", "-1, --auto-on");
 504   printf ("    %s\n", _("Turn on automatic offline tests"));
 505   printf (" %s\n", "-0, --auto-off");
 506   printf ("    %s\n", _("Turn off automatic offline tests"));
 507   printf (" %s\n", "-n, --nagios");
 508   printf ("    %s\n\n", _("Output suitable for Nagios"));
 509   printf (_(UT_SUPPORT));
 510 }
 511
 512  /* todo : add to the long nanual as example
 513  *
 514  *     Run with:  check_ide-smart --nagios [-d] <DRIVE>
 515  *     Where DRIVE is an IDE drive, ie. /dev/hda, /dev/hdb, /dev/hdc
 516  *
 517  *       - Returns 0 on no errors
 518  *       - Returns 1 on advisories
 519  *       - Returns 2 on prefailure
 520  *       - Returns -1 not too often
 521  */
 522
 523
 524 void
 525 print_usage (void)
 526 {
 527   printf (_("Usage:"));
 528   printf ("%s [-d <device>] [-i <immediate>] [-q quiet] [-1 <auto-on>]",progname);
 529   printf (" [-O <auto-off>] [-n <nagios>]\n");
 530 }