plugins/check_hpjd.c

   1 /******************************************************************************
   2 *
   3 * This program is free software; you can redistribute it and/or modify
   4 * it under the terms of the GNU General Public License as published by
   5 * the Free Software Foundation; either version 2 of the License, or
   6 * (at your option) any later version.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program; if not, write to the Free Software
  15 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16 *
  17 *****************************************************************************/
  18
  19 #include "common.h"
  20 #include "popen.h"
  21 #include "utils.h"
  22
  23 const char *progname = "check_hpjd";
  24 const char *revision = "$Revision$";
  25 const char *authors = "Nagios Plugin Development Team";
  26 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  27 const char *copyright = "2000-2003";
  28
  29 const char *summary = "\
  30 This plugin tests the STATUS of an HP printer with a JetDirect card.\n\
  31 Net-snmp must be installed on the computer running the plugin.\n\n";
  32
  33 const char *option_summary = "-H host [-C community]\n";
  34
  35 const char *options = "\
  36  -H, --hostname=STRING or IPADDRESS\n\
  37    Check server on the indicated host\n\
  38  -C, --community=STRING\n\
  39    The SNMP community name (default=%s)\n\
  40  -h, --help\n\
  41    Print detailed help screen\n\
  42  -V, --version\n\
  43    Print version information\n\n";
  44
  45 #define HPJD_LINE_STATUS                ".1.3.6.1.4.1.11.2.3.9.1.1.2.1"
  46 #define HPJD_PAPER_STATUS               ".1.3.6.1.4.1.11.2.3.9.1.1.2.2"
  47 #define HPJD_INTERVENTION_REQUIRED      ".1.3.6.1.4.1.11.2.3.9.1.1.2.3"
  48 #define HPJD_GD_PERIPHERAL_ERROR        ".1.3.6.1.4.1.11.2.3.9.1.1.2.6"
  49 #define HPJD_GD_PAPER_JAM               ".1.3.6.1.4.1.11.2.3.9.1.1.2.8"
  50 #define HPJD_GD_PAPER_OUT               ".1.3.6.1.4.1.11.2.3.9.1.1.2.9"
  51 #define HPJD_GD_TONER_LOW               ".1.3.6.1.4.1.11.2.3.9.1.1.2.10"
  52 #define HPJD_GD_PAGE_PUNT               ".1.3.6.1.4.1.11.2.3.9.1.1.2.11"
  53 #define HPJD_GD_MEMORY_OUT              ".1.3.6.1.4.1.11.2.3.9.1.1.2.12"
  54 #define HPJD_GD_DOOR_OPEN               ".1.3.6.1.4.1.11.2.3.9.1.1.2.17"
  55 #define HPJD_GD_PAPER_OUTPUT            ".1.3.6.1.4.1.11.2.3.9.1.1.2.19"
  56 #define HPJD_GD_STATUS_DISPLAY          ".1.3.6.1.4.1.11.2.3.9.1.1.3"
  57
  58 #define ONLINE          0
  59 #define OFFLINE         1
  60
  61 #define DEFAULT_COMMUNITY "public"
  62
  63 int process_arguments (int, char **);
  64 int validate_arguments (void);
  65 void print_help (void);
  66 void print_usage (void);
  67
  68 char *community = DEFAULT_COMMUNITY;
  69 char *address = NULL;
  70
  71
  72 int
  73 main (int argc, char **argv)
  74 {
  75         char command_line[1024];
  76         int result;
  77         int line;
  78         char input_buffer[MAX_INPUT_BUFFER];
  79         char query_string[512];
  80         char error_message[MAX_INPUT_BUFFER];
  81         char *temp_buffer;
  82         int line_status = ONLINE;
  83         int paper_status = 0;
  84         int intervention_required = 0;
  85         int peripheral_error = 0;
  86         int paper_jam = 0;
  87         int paper_out = 0;
  88         int toner_low = 0;
  89         int page_punt = 0;
  90         int memory_out = 0;
  91         int door_open = 0;
  92         int paper_output = 0;
  93         char display_message[MAX_INPUT_BUFFER];
  94         char *temp ;
  95
  96         if (process_arguments (argc, argv) != OK)
  97                 usage ("Invalid command arguments supplied\n");
  98
  99         /* removed ' 2>1' at end of command 10/27/1999 - EG */
 100         /* create the query string */
 101         sprintf
 102                 (query_string,
 103                  "%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
 104                  HPJD_LINE_STATUS,
 105                  HPJD_PAPER_STATUS,
 106                  HPJD_INTERVENTION_REQUIRED,
 107                  HPJD_GD_PERIPHERAL_ERROR,
 108                  HPJD_GD_PAPER_JAM,
 109                  HPJD_GD_PAPER_OUT,
 110                  HPJD_GD_TONER_LOW,
 111                  HPJD_GD_PAGE_PUNT,
 112                  HPJD_GD_MEMORY_OUT,
 113                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 114
 115         /* get the command to run */
 116         sprintf (command_line, "%s -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET, community,
 117                                                                         address, query_string);
 118
 119         /* run the command */
 120         child_process = spopen (command_line);
 121         if (child_process == NULL) {
 122                 printf ("Could not open pipe: %s\n", command_line);
 123                 return STATE_UNKNOWN;
 124         }
 125
 126         child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
 127         if (child_stderr == NULL) {
 128                 printf ("Could not open stderr for %s\n", command_line);
 129         }
 130
 131         result = STATE_OK;
 132
 133         line = 0;
 134         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
 135
 136                 /* strip the newline character from the end of the input */
 137                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 138                         input_buffer[strlen (input_buffer) - 1] = 0;
 139
 140                 line++;
 141
 142                 temp_buffer = strtok (input_buffer, "=");
 143                 temp_buffer = strtok (NULL, "=");
 144
 145                 switch (line) {
 146
 147                 case 1:                                                                         /* 1st line should contain the line status */
 148                         if (temp_buffer != NULL)
 149                                 line_status = atoi (temp_buffer);
 150                         else {
 151                                 result = STATE_UNKNOWN;
 152                                 strcpy (error_message, input_buffer);
 153                         }
 154                         break;
 155
 156                 case 2:                                                                         /* 2nd line should contain the paper status */
 157                         if (temp_buffer != NULL)
 158                                 paper_status = atoi (temp_buffer);
 159                         else {
 160                                 result = STATE_UNKNOWN;
 161                                 strcpy (error_message, input_buffer);
 162                         }
 163                         break;
 164
 165                 case 3:                                                                         /* 3rd line should be intervention required */
 166                         if (temp_buffer != NULL)
 167                                 intervention_required = atoi (temp_buffer);
 168                         else {
 169                                 result = STATE_UNKNOWN;
 170                                 strcpy (error_message, input_buffer);
 171                         }
 172                         break;
 173
 174                 case 4:                                                                         /* 4th line should be peripheral error */
 175                         if (temp_buffer != NULL)
 176                                 peripheral_error = atoi (temp_buffer);
 177                         else {
 178                                 result = STATE_UNKNOWN;
 179                                 strcpy (error_message, input_buffer);
 180                         }
 181                         break;
 182
 183                 case 5:                                                                         /* 5th line should contain the paper jam status */
 184                         if (temp_buffer != NULL)
 185                                 paper_jam = atoi (temp_buffer);
 186                         else {
 187                                 result = STATE_UNKNOWN;
 188                                 strcpy (error_message, input_buffer);
 189                         }
 190                         break;
 191
 192                 case 6:                                                                         /* 6th line should contain the paper out status */
 193                         if (temp_buffer != NULL)
 194                                 paper_out = atoi (temp_buffer);
 195                         else {
 196                                 result = STATE_UNKNOWN;
 197                                 strcpy (error_message, input_buffer);
 198                         }
 199                         break;
 200
 201                 case 7:                                                                         /* 7th line should contain the toner low status */
 202                         if (temp_buffer != NULL)
 203                                 toner_low = atoi (temp_buffer);
 204                         else {
 205                                 result = STATE_UNKNOWN;
 206                                 strcpy (error_message, input_buffer);
 207                         }
 208                         break;
 209
 210                 case 8:                                                                         /* did data come too slow for engine */
 211                         if (temp_buffer != NULL)
 212                                 page_punt = atoi (temp_buffer);
 213                         else {
 214                                 result = STATE_UNKNOWN;
 215                                 strcpy (error_message, input_buffer);
 216                         }
 217                         break;
 218
 219                 case 9:                                                                         /* did we run out of memory */
 220                         if (temp_buffer != NULL)
 221                                 memory_out = atoi (temp_buffer);
 222                         else {
 223                                 result = STATE_UNKNOWN;
 224                                 strcpy (error_message, input_buffer);
 225                         }
 226                         break;
 227
 228                 case 10:                                                                                /* is there a door open */
 229                         if (temp_buffer != NULL)
 230                                 door_open = atoi (temp_buffer);
 231                         else {
 232                                 result = STATE_UNKNOWN;
 233                                 strcpy (error_message, input_buffer);
 234                         }
 235                         break;
 236
 237                 case 11:                                                                                /* is output tray full */
 238                         if (temp_buffer != NULL)
 239                                 paper_output = atoi (temp_buffer);
 240                         else {
 241                                 result = STATE_UNKNOWN;
 242                                 strcpy (error_message, input_buffer);
 243                         }
 244                         break;
 245
 246                 case 12:                                                                                /* display panel message */
 247                         if (temp_buffer != NULL)
 248                                 strcpy (display_message, temp_buffer + 1);
 249                         else {
 250                                 result = STATE_UNKNOWN;
 251                                 strcpy (error_message, input_buffer);
 252                         }
 253                         break;
 254
 255                 default:
 256                         break;
 257                 }
 258
 259                 /* break out of the read loop if we encounter an error */
 260                 if (result != STATE_OK)
 261                         break;
 262         }
 263
 264         /* WARNING if output found on stderr */
 265         if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
 266                 result = max_state (result, STATE_WARNING);
 267                 /* remove CRLF */
 268                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 269                         input_buffer[strlen (input_buffer) - 1] = 0;
 270                 sprintf (error_message, "%s", input_buffer );
 271
 272         }
 273
 274         /* close stderr */
 275         (void) fclose (child_stderr);
 276
 277         /* close the pipe */
 278         if (spclose (child_process))
 279                 result = max_state (result, STATE_WARNING);
 280
 281         /* if there wasn't any output, display an error */
 282         if (line == 0) {
 283
 284                 /* might not be the problem, but most likely is. */
 285                 result = STATE_UNKNOWN ;
 286                 asprintf (&temp, error_message);
 287                 sprintf (error_message, "%s : Timeout from host %s\n", temp, address );
 288
 289         }
 290
 291         /* if we had no read errors, check the printer status results... */
 292         if (result == STATE_OK) {
 293
 294                 if (paper_jam) {
 295                         result = STATE_WARNING;
 296                         strcpy (error_message, "Paper Jam");
 297                 }
 298                 else if (paper_out) {
 299                         result = STATE_WARNING;
 300                         strcpy (error_message, "Out of Paper");
 301                 }
 302                 else if (line_status == OFFLINE) {
 303                         if (strcmp (error_message, "POWERSAVE ON") != 0) {
 304                                 result = STATE_WARNING;
 305                                 strcpy (error_message, "Printer Offline");
 306                         }
 307                 }
 308                 else if (peripheral_error) {
 309                         result = STATE_WARNING;
 310                         strcpy (error_message, "Peripheral Error");
 311                 }
 312                 else if (intervention_required) {
 313                         result = STATE_WARNING;
 314                         strcpy (error_message, "Intervention Required");
 315                 }
 316                 else if (toner_low) {
 317                         result = STATE_WARNING;
 318                         strcpy (error_message, "Toner Low");
 319                 }
 320                 else if (memory_out) {
 321                         result = STATE_WARNING;
 322                         strcpy (error_message, "Insufficient Memory");
 323                 }
 324                 else if (door_open) {
 325                         result = STATE_WARNING;
 326                         strcpy (error_message, "A Door is Open");
 327                 }
 328                 else if (paper_output) {
 329                         result = STATE_WARNING;
 330                         strcpy (error_message, "Output Tray is Full");
 331                 }
 332                 else if (page_punt) {
 333                         result = STATE_WARNING;
 334                         strcpy (error_message, "Data too Slow for Engine");
 335                 }
 336                 else if (paper_status) {
 337                         result = STATE_WARNING;
 338                         strcpy (error_message, "Unknown Paper Error");
 339                 }
 340         }
 341
 342         if (result == STATE_OK)
 343                 printf ("Printer ok - (%s)\n", display_message);
 344
 345         else if (result == STATE_UNKNOWN) {
 346
 347                 printf ("%s\n", error_message);
 348
 349                 /* if printer could not be reached, escalate to critical */
 350                 if (strstr (error_message, "Timeout"))
 351                         result = STATE_CRITICAL;
 352         }
 353
 354         else if (result == STATE_WARNING)
 355                 printf ("%s (%s)\n", error_message, display_message);
 356
 357         return result;
 358 }
 359
 360
 361
 362
 363
 364 /* process command-line arguments */
 365 int
 366 process_arguments (int argc, char **argv)
 367 {
 368         int c;
 369
 370         int option_index = 0;
 371         static struct option long_options[] = {
 372                 {"hostname", required_argument, 0, 'H'},
 373                 {"community", required_argument, 0, 'C'},
 374 /*              {"critical",       required_argument,0,'c'}, */
 375 /*              {"warning",        required_argument,0,'w'}, */
 376 /*              {"port",           required_argument,0,'P'}, */
 377                 {"version", no_argument, 0, 'V'},
 378                 {"help", no_argument, 0, 'h'},
 379                 {0, 0, 0, 0}
 380         };
 381
 382         if (argc < 2)
 383                 return ERROR;
 384
 385
 386         while (1) {
 387                 c = getopt_long (argc, argv, "+hVH:C:", long_options, &option_index);
 388
 389                 if (c == -1 || c == EOF || c == 1)
 390                         break;
 391
 392                 switch (c) {
 393                 case 'H':                                                                       /* hostname */
 394                         if (is_host (optarg)) {
 395                                 address = strscpy(address, optarg) ;
 396                         }
 397                         else {
 398                                 usage ("Invalid host name\n");
 399                         }
 400                         break;
 401                 case 'C':                                                                       /* community */
 402                         community = strscpy (community, optarg);
 403                         break;
 404                 case 'V':                                                                       /* version */
 405                         print_revision (progname, revision);
 406                         exit (STATE_OK);
 407                 case 'h':                                                                       /* help */
 408                         print_help ();
 409                         exit (STATE_OK);
 410                 case '?':                                                                       /* help */
 411                         usage ("Invalid argument\n");
 412                 }
 413         }
 414
 415         c = optind;
 416         if (address == NULL) {
 417                 if (is_host (argv[c])) {
 418                         address = argv[c++];
 419                 }
 420                 else {
 421                         usage ("Invalid host name");
 422                 }
 423         }
 424
 425         if (argv[c] != NULL ) {
 426                 community = argv[c];
 427         }
 428
 429         return validate_arguments ();
 430 }
 431
 432
 433
 434
 435
 436 int
 437 validate_arguments (void)
 438 {
 439         return OK;
 440 }
 441
 442
 443
 444
 445
 446 void
 447 print_help (void)
 448 {
 449         print_revision (progname, revision);
 450         printf ("Copyright (c) %s %s\n\t<%s>\n\n", copyright, authors, email);
 451         printf (summary);
 452         print_usage ();
 453         printf ("\nOptions:\n");
 454         printf (options, DEFAULT_COMMUNITY);
 455         support ();
 456 }
 457
 458 void
 459 print_usage (void)
 460 {
 461         printf ("\
 462 Usage:\n\
 463  %s %s\n\
 464  %s (-h | --help) for detailed help\n\
 465  %s (-V | --version) for version information\n",
 466                 progname, option_summary, progname, progname);
 467 }
 468
 469
 470