plugins/check_hpjd.c

   1 /******************************************************************************
   2 *
   3 * Nagios check_hpjd plugin
   4 *
   5 * License: GPL
   6 * Copyright (c) 1999-2006 nagios-plugins team
   7 *
   8 * Last Modified: $Date$
   9 *
  10 * Description:
  11 *
  12 * This file contains the check_hpjd plugin
  13 *
  14 *  This plugin tests the STATUS of an HP printer with a JetDirect card.
  15 *  Net-snmp must be installed on the computer running the plugin.
  16 *
  17 *
  18 * License Information:
  19 *
  20 * This program is free software; you can redistribute it and/or modify
  21 * it under the terms of the GNU General Public License as published by
  22 * the Free Software Foundation; either version 2 of the License, or
  23 * (at your option) any later version.
  24 *
  25 * This program is distributed in the hope that it will be useful,
  26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28 * GNU General Public License for more details.
  29 *
  30 * You should have received a copy of the GNU General Public License
  31 * along with this program; if not, write to the Free Software
  32 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  33 *
  34 * $Id$
  35 *****************************************************************************/
  36
  37 const char *progname = "check_hpjd";
  38 const char *revision = "$Revision$";
  39 const char *copyright = "2000-2006";
  40 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  41
  42 #include "common.h"
  43 #include "popen.h"
  44 #include "utils.h"
  45 #include "netutils.h"
  46
  47 #define DEFAULT_COMMUNITY "public"
  48
  49
  50 const char *option_summary = "-H host [-C community]\n";
  51
  52 #define HPJD_LINE_STATUS           ".1.3.6.1.4.1.11.2.3.9.1.1.2.1"
  53 #define HPJD_PAPER_STATUS          ".1.3.6.1.4.1.11.2.3.9.1.1.2.2"
  54 #define HPJD_INTERVENTION_REQUIRED ".1.3.6.1.4.1.11.2.3.9.1.1.2.3"
  55 #define HPJD_GD_PERIPHERAL_ERROR   ".1.3.6.1.4.1.11.2.3.9.1.1.2.6"
  56 #define HPJD_GD_PAPER_OUT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.8"
  57 #define HPJD_GD_PAPER_JAM          ".1.3.6.1.4.1.11.2.3.9.1.1.2.9"
  58 #define HPJD_GD_TONER_LOW          ".1.3.6.1.4.1.11.2.3.9.1.1.2.10"
  59 #define HPJD_GD_PAGE_PUNT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.11"
  60 #define HPJD_GD_MEMORY_OUT         ".1.3.6.1.4.1.11.2.3.9.1.1.2.12"
  61 #define HPJD_GD_DOOR_OPEN          ".1.3.6.1.4.1.11.2.3.9.1.1.2.17"
  62 #define HPJD_GD_PAPER_OUTPUT       ".1.3.6.1.4.1.11.2.3.9.1.1.2.19"
  63 #define HPJD_GD_STATUS_DISPLAY     ".1.3.6.1.4.1.11.2.3.9.1.1.3"
  64
  65 #define ONLINE          0
  66 #define OFFLINE         1
  67
  68 int process_arguments (int, char **);
  69 int validate_arguments (void);
  70 void print_help (void);
  71 void print_usage (void);
  72
  73 char *community = NULL;
  74 char *address = NULL;
  75
  76 int
  77 main (int argc, char **argv)
  78 {
  79         char command_line[1024];
  80         int result = STATE_UNKNOWN;
  81         int line;
  82         char input_buffer[MAX_INPUT_BUFFER];
  83         char query_string[512];
  84         char *errmsg;
  85         char *temp_buffer;
  86         int line_status = ONLINE;
  87         int paper_status = 0;
  88         int intervention_required = 0;
  89         int peripheral_error = 0;
  90         int paper_jam = 0;
  91         int paper_out = 0;
  92         int toner_low = 0;
  93         int page_punt = 0;
  94         int memory_out = 0;
  95         int door_open = 0;
  96         int paper_output = 0;
  97         char display_message[MAX_INPUT_BUFFER];
  98
  99         errmsg = malloc(MAX_INPUT_BUFFER);
 100
 101         setlocale (LC_ALL, "");
 102         bindtextdomain (PACKAGE, LOCALEDIR);
 103         textdomain (PACKAGE);
 104
 105         if (process_arguments (argc, argv) == ERROR)
 106                 usage4 (_("Could not parse arguments"));
 107
 108         /* removed ' 2>1' at end of command 10/27/1999 - EG */
 109         /* create the query string */
 110         sprintf
 111                 (query_string,
 112                  "%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
 113                  HPJD_LINE_STATUS,
 114                  HPJD_PAPER_STATUS,
 115                  HPJD_INTERVENTION_REQUIRED,
 116                  HPJD_GD_PERIPHERAL_ERROR,
 117                  HPJD_GD_PAPER_JAM,
 118                  HPJD_GD_PAPER_OUT,
 119                  HPJD_GD_TONER_LOW,
 120                  HPJD_GD_PAGE_PUNT,
 121                  HPJD_GD_MEMORY_OUT,
 122                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 123
 124         /* get the command to run */
 125         sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET, community,
 126                                                                         address, query_string);
 127
 128         /* run the command */
 129         child_process = spopen (command_line);
 130         if (child_process == NULL) {
 131                 printf (_("Could not open pipe: %s\n"), command_line);
 132                 return STATE_UNKNOWN;
 133         }
 134
 135         child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
 136         if (child_stderr == NULL) {
 137                 printf (_("Could not open stderr for %s\n"), command_line);
 138         }
 139
 140         result = STATE_OK;
 141
 142         line = 0;
 143         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
 144
 145                 /* strip the newline character from the end of the input */
 146                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 147                         input_buffer[strlen (input_buffer) - 1] = 0;
 148
 149                 line++;
 150
 151                 temp_buffer = strtok (input_buffer, "=");
 152                 temp_buffer = strtok (NULL, "=");
 153
 154                 if (temp_buffer == NULL && line < 13) {
 155
 156                                 result = STATE_UNKNOWN;
 157                                 strcpy (errmsg, input_buffer);
 158
 159                 } else {
 160
 161                         switch (line) {
 162
 163                         case 1:                                                                         /* 1st line should contain the line status */
 164                                 line_status = atoi (temp_buffer);
 165                                 break;
 166                         case 2:                                                                         /* 2nd line should contain the paper status */
 167                                 paper_status = atoi (temp_buffer);
 168                                 break;
 169                         case 3:                                                                         /* 3rd line should be intervention required */
 170                                 intervention_required = atoi (temp_buffer);
 171                                 break;
 172                         case 4:                                                                         /* 4th line should be peripheral error */
 173                                 peripheral_error = atoi (temp_buffer);
 174                                 break;
 175                         case 5:                                                                         /* 5th line should contain the paper jam status */
 176                                 paper_jam = atoi (temp_buffer);
 177                                 break;
 178                         case 6:                                                                         /* 6th line should contain the paper out status */
 179                                 paper_out = atoi (temp_buffer);
 180                                 break;
 181                         case 7:                                                                         /* 7th line should contain the toner low status */
 182                                 toner_low = atoi (temp_buffer);
 183                                 break;
 184                         case 8:                                                                         /* did data come too slow for engine */
 185                                 page_punt = atoi (temp_buffer);
 186                                 break;
 187                         case 9:                                                                         /* did we run out of memory */
 188                                 memory_out = atoi (temp_buffer);
 189                                 break;
 190                         case 10:                                                                                /* is there a door open */
 191                                 door_open = atoi (temp_buffer);
 192                                 break;
 193                         case 11:                                                                                /* is output tray full */
 194                                 paper_output = atoi (temp_buffer);
 195                                 break;
 196                         case 12:                                                                                /* display panel message */
 197                                 strcpy (display_message, temp_buffer + 1);
 198                                 break;
 199                         default:                                                                                /* fold multiline message */
 200                                 strncat (display_message, input_buffer,
 201                                                 sizeof (display_message) - strlen (display_message) - 1);
 202                         }
 203
 204                 }
 205
 206                 /* break out of the read loop if we encounter an error */
 207                 if (result != STATE_OK)
 208                         break;
 209         }
 210
 211         /* WARNING if output found on stderr */
 212         if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
 213                 result = max_state (result, STATE_WARNING);
 214                 /* remove CRLF */
 215                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 216                         input_buffer[strlen (input_buffer) - 1] = 0;
 217                 sprintf (errmsg, "%s", input_buffer );
 218
 219         }
 220
 221         /* close stderr */
 222         (void) fclose (child_stderr);
 223
 224         /* close the pipe */
 225         if (spclose (child_process))
 226                 result = max_state (result, STATE_WARNING);
 227
 228         /* if there wasn't any output, display an error */
 229         if (line == 0) {
 230
 231                 /* might not be the problem, but most likely is. */
 232                 result = STATE_UNKNOWN ;
 233                 asprintf (&errmsg, "%s : Timeout from host %s\n", errmsg, address );
 234
 235         }
 236
 237         /* if we had no read errors, check the printer status results... */
 238         if (result == STATE_OK) {
 239
 240                 if (paper_jam) {
 241                         result = STATE_WARNING;
 242                         strcpy (errmsg, _("Paper Jam"));
 243                 }
 244                 else if (paper_out) {
 245                         result = STATE_WARNING;
 246                         strcpy (errmsg, _("Out of Paper"));
 247                 }
 248                 else if (line_status == OFFLINE) {
 249                         if (strcmp (errmsg, "POWERSAVE ON") != 0) {
 250                                 result = STATE_WARNING;
 251                                 strcpy (errmsg, _("Printer Offline"));
 252                         }
 253                 }
 254                 else if (peripheral_error) {
 255                         result = STATE_WARNING;
 256                         strcpy (errmsg, _("Peripheral Error"));
 257                 }
 258                 else if (intervention_required) {
 259                         result = STATE_WARNING;
 260                         strcpy (errmsg, _("Intervention Required"));
 261                 }
 262                 else if (toner_low) {
 263                         result = STATE_WARNING;
 264                         strcpy (errmsg, _("Toner Low"));
 265                 }
 266                 else if (memory_out) {
 267                         result = STATE_WARNING;
 268                         strcpy (errmsg, _("Insufficient Memory"));
 269                 }
 270                 else if (door_open) {
 271                         result = STATE_WARNING;
 272                         strcpy (errmsg, _("A Door is Open"));
 273                 }
 274                 else if (paper_output) {
 275                         result = STATE_WARNING;
 276                         strcpy (errmsg, _("Output Tray is Full"));
 277                 }
 278                 else if (page_punt) {
 279                         result = STATE_WARNING;
 280                         strcpy (errmsg, _("Data too Slow for Engine"));
 281                 }
 282                 else if (paper_status) {
 283                         result = STATE_WARNING;
 284                         strcpy (errmsg, _("Unknown Paper Error"));
 285                 }
 286         }
 287
 288         if (result == STATE_OK)
 289                 printf (_("Printer ok - (%s)\n"), display_message);
 290
 291         else if (result == STATE_UNKNOWN) {
 292
 293                 printf ("%s\n", errmsg);
 294
 295                 /* if printer could not be reached, escalate to critical */
 296                 if (strstr (errmsg, "Timeout"))
 297                         result = STATE_CRITICAL;
 298         }
 299
 300         else if (result == STATE_WARNING)
 301                 printf ("%s (%s)\n", errmsg, display_message);
 302
 303         return result;
 304 }
 305
 306
 307 /* process command-line arguments */
 308 int
 309 process_arguments (int argc, char **argv)
 310 {
 311         int c;
 312
 313         int option = 0;
 314         static struct option longopts[] = {
 315                 {"hostname", required_argument, 0, 'H'},
 316                 {"community", required_argument, 0, 'C'},
 317 /*              {"critical",       required_argument,0,'c'}, */
 318 /*              {"warning",        required_argument,0,'w'}, */
 319 /*              {"port",           required_argument,0,'P'}, */
 320                 {"version", no_argument, 0, 'V'},
 321                 {"help", no_argument, 0, 'h'},
 322                 {0, 0, 0, 0}
 323         };
 324
 325         if (argc < 2)
 326                 return ERROR;
 327
 328
 329         while (1) {
 330                 c = getopt_long (argc, argv, "+hVH:C:", longopts, &option);
 331
 332                 if (c == -1 || c == EOF || c == 1)
 333                         break;
 334
 335                 switch (c) {
 336                 case 'H':                                                                       /* hostname */
 337                         if (is_host (optarg)) {
 338                                 address = strscpy(address, optarg) ;
 339                         }
 340                         else {
 341                                 usage2 (_("Invalid hostname/address"), optarg);
 342                         }
 343                         break;
 344                 case 'C':                                                                       /* community */
 345                         community = strscpy (community, optarg);
 346                         break;
 347                 case 'V':                                                                       /* version */
 348                         print_revision (progname, revision);
 349                         exit (STATE_OK);
 350                 case 'h':                                                                       /* help */
 351                         print_help ();
 352                         exit (STATE_OK);
 353                 case '?':                                                                       /* help */
 354                         usage5 ();
 355                 }
 356         }
 357
 358         c = optind;
 359         if (address == NULL) {
 360                 if (is_host (argv[c])) {
 361                         address = argv[c++];
 362                 }
 363                 else {
 364                         usage2 (_("Invalid hostname/address"), argv[c]);
 365                 }
 366         }
 367
 368         if (community == NULL) {
 369                 if (argv[c] != NULL )
 370                         community = argv[c];
 371                 else
 372                         community = strdup (DEFAULT_COMMUNITY);
 373         }
 374
 375         return validate_arguments ();
 376 }
 377
 378
 379 int
 380 validate_arguments (void)
 381 {
 382         return OK;
 383 }
 384
 385
 386 void
 387 print_help (void)
 388 {
 389         print_revision (progname, revision);
 390
 391         printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
 392         printf (COPYRIGHT, copyright, email);
 393
 394         printf ("%s\n", _("This plugin tests the STATUS of an HP printer with a JetDirect card."));
 395   printf ("%s\n", _("Net-snmp must be installed on the computer running the plugin."));
 396
 397   printf ("\n\n");
 398
 399         print_usage ();
 400
 401         printf (_(UT_HELP_VRSN));
 402
 403         printf (" %s\n", "-C, --community=STRING");
 404   printf ("    %s", _("The SNMP community name "));
 405   printf (_("(default=%s)"), DEFAULT_COMMUNITY);
 406
 407         printf (_(UT_SUPPORT));
 408 }
 409
 410
 411
 412 void
 413 print_usage (void)
 414 {
 415   printf (_("Usage:"));
 416         printf ("%s -H host [-C community]\n", progname);
 417 }