plugins/check_hpjd.c

   1 /*****************************************************************************
   2 *
   3 * Nagios check_hpjd plugin
   4 *
   5 * License: GPL
   6 * Copyright (c) 2000-2007 Nagios Plugins Development 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 * This program is free software: you can redistribute it and/or modify
  19 * it under the terms of the GNU General Public License as published by
  20 * the Free Software Foundation, either version 3 of the License, or
  21 * (at your option) any later version.
  22 *
  23 * This program is distributed in the hope that it will be useful,
  24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26 * GNU General Public License for more details.
  27 *
  28 * You should have received a copy of the GNU General Public License
  29 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  30 *
  31 * $Id$
  32 *
  33 *****************************************************************************/
  34
  35 const char *progname = "check_hpjd";
  36 const char *revision = "$Revision$";
  37 const char *copyright = "2000-2007";
  38 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  39
  40 #include "common.h"
  41 #include "popen.h"
  42 #include "utils.h"
  43 #include "netutils.h"
  44
  45 #define DEFAULT_COMMUNITY "public"
  46
  47
  48 const char *option_summary = "-H host [-C community]\n";
  49
  50 #define HPJD_LINE_STATUS           ".1.3.6.1.4.1.11.2.3.9.1.1.2.1"
  51 #define HPJD_PAPER_STATUS          ".1.3.6.1.4.1.11.2.3.9.1.1.2.2"
  52 #define HPJD_INTERVENTION_REQUIRED ".1.3.6.1.4.1.11.2.3.9.1.1.2.3"
  53 #define HPJD_GD_PERIPHERAL_ERROR   ".1.3.6.1.4.1.11.2.3.9.1.1.2.6"
  54 #define HPJD_GD_PAPER_OUT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.8"
  55 #define HPJD_GD_PAPER_JAM          ".1.3.6.1.4.1.11.2.3.9.1.1.2.9"
  56 #define HPJD_GD_TONER_LOW          ".1.3.6.1.4.1.11.2.3.9.1.1.2.10"
  57 #define HPJD_GD_PAGE_PUNT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.11"
  58 #define HPJD_GD_MEMORY_OUT         ".1.3.6.1.4.1.11.2.3.9.1.1.2.12"
  59 #define HPJD_GD_DOOR_OPEN          ".1.3.6.1.4.1.11.2.3.9.1.1.2.17"
  60 #define HPJD_GD_PAPER_OUTPUT       ".1.3.6.1.4.1.11.2.3.9.1.1.2.19"
  61 #define HPJD_GD_STATUS_DISPLAY     ".1.3.6.1.4.1.11.2.3.9.1.1.3"
  62
  63 #define ONLINE          0
  64 #define OFFLINE         1
  65
  66 int process_arguments (int, char **);
  67 int validate_arguments (void);
  68 void print_help (void);
  69 void print_usage (void);
  70
  71 char *community = NULL;
  72 char *address = NULL;
  73
  74 int
  75 main (int argc, char **argv)
  76 {
  77         char command_line[1024];
  78         int result = STATE_UNKNOWN;
  79         int line;
  80         char input_buffer[MAX_INPUT_BUFFER];
  81         char query_string[512];
  82         char *errmsg;
  83         char *temp_buffer;
  84         int line_status = ONLINE;
  85         int paper_status = 0;
  86         int intervention_required = 0;
  87         int peripheral_error = 0;
  88         int paper_jam = 0;
  89         int paper_out = 0;
  90         int toner_low = 0;
  91         int page_punt = 0;
  92         int memory_out = 0;
  93         int door_open = 0;
  94         int paper_output = 0;
  95         char display_message[MAX_INPUT_BUFFER];
  96
  97         errmsg = malloc(MAX_INPUT_BUFFER);
  98
  99         setlocale (LC_ALL, "");
 100         bindtextdomain (PACKAGE, LOCALEDIR);
 101         textdomain (PACKAGE);
 102
 103         if (process_arguments (argc, argv) == ERROR)
 104                 usage4 (_("Could not parse arguments"));
 105
 106         /* removed ' 2>1' at end of command 10/27/1999 - EG */
 107         /* create the query string */
 108         sprintf
 109                 (query_string,
 110                  "%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
 111                  HPJD_LINE_STATUS,
 112                  HPJD_PAPER_STATUS,
 113                  HPJD_INTERVENTION_REQUIRED,
 114                  HPJD_GD_PERIPHERAL_ERROR,
 115                  HPJD_GD_PAPER_JAM,
 116                  HPJD_GD_PAPER_OUT,
 117                  HPJD_GD_TONER_LOW,
 118                  HPJD_GD_PAGE_PUNT,
 119                  HPJD_GD_MEMORY_OUT,
 120                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 121
 122         /* get the command to run */
 123         sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET, community,
 124                                                                         address, query_string);
 125
 126         /* run the command */
 127         child_process = spopen (command_line);
 128         if (child_process == NULL) {
 129                 printf (_("Could not open pipe: %s\n"), command_line);
 130                 return STATE_UNKNOWN;
 131         }
 132
 133         child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
 134         if (child_stderr == NULL) {
 135                 printf (_("Could not open stderr for %s\n"), command_line);
 136         }
 137
 138         result = STATE_OK;
 139
 140         line = 0;
 141         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
 142
 143                 /* strip the newline character from the end of the input */
 144                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 145                         input_buffer[strlen (input_buffer) - 1] = 0;
 146
 147                 line++;
 148
 149                 temp_buffer = strtok (input_buffer, "=");
 150                 temp_buffer = strtok (NULL, "=");
 151
 152                 if (temp_buffer == NULL && line < 13) {
 153
 154                                 result = STATE_UNKNOWN;
 155                                 strcpy (errmsg, input_buffer);
 156
 157                 } else {
 158
 159                         switch (line) {
 160
 161                         case 1:                                                                         /* 1st line should contain the line status */
 162                                 line_status = atoi (temp_buffer);
 163                                 break;
 164                         case 2:                                                                         /* 2nd line should contain the paper status */
 165                                 paper_status = atoi (temp_buffer);
 166                                 break;
 167                         case 3:                                                                         /* 3rd line should be intervention required */
 168                                 intervention_required = atoi (temp_buffer);
 169                                 break;
 170                         case 4:                                                                         /* 4th line should be peripheral error */
 171                                 peripheral_error = atoi (temp_buffer);
 172                                 break;
 173                         case 5:                                                                         /* 5th line should contain the paper jam status */
 174                                 paper_jam = atoi (temp_buffer);
 175                                 break;
 176                         case 6:                                                                         /* 6th line should contain the paper out status */
 177                                 paper_out = atoi (temp_buffer);
 178                                 break;
 179                         case 7:                                                                         /* 7th line should contain the toner low status */
 180                                 toner_low = atoi (temp_buffer);
 181                                 break;
 182                         case 8:                                                                         /* did data come too slow for engine */
 183                                 page_punt = atoi (temp_buffer);
 184                                 break;
 185                         case 9:                                                                         /* did we run out of memory */
 186                                 memory_out = atoi (temp_buffer);
 187                                 break;
 188                         case 10:                                                                                /* is there a door open */
 189                                 door_open = atoi (temp_buffer);
 190                                 break;
 191                         case 11:                                                                                /* is output tray full */
 192                                 paper_output = atoi (temp_buffer);
 193                                 break;
 194                         case 12:                                                                                /* display panel message */
 195                                 strcpy (display_message, temp_buffer + 1);
 196                                 break;
 197                         default:                                                                                /* fold multiline message */
 198                                 strncat (display_message, input_buffer,
 199                                                 sizeof (display_message) - strlen (display_message) - 1);
 200                         }
 201
 202                 }
 203
 204                 /* break out of the read loop if we encounter an error */
 205                 if (result != STATE_OK)
 206                         break;
 207         }
 208
 209         /* WARNING if output found on stderr */
 210         if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
 211                 result = max_state (result, STATE_WARNING);
 212                 /* remove CRLF */
 213                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 214                         input_buffer[strlen (input_buffer) - 1] = 0;
 215                 sprintf (errmsg, "%s", input_buffer );
 216
 217         }
 218
 219         /* close stderr */
 220         (void) fclose (child_stderr);
 221
 222         /* close the pipe */
 223         if (spclose (child_process))
 224                 result = max_state (result, STATE_WARNING);
 225
 226         /* if there wasn't any output, display an error */
 227         if (line == 0) {
 228
 229                 /* might not be the problem, but most likely is. */
 230                 result = STATE_UNKNOWN ;
 231                 asprintf (&errmsg, "%s : Timeout from host %s\n", errmsg, address );
 232
 233         }
 234
 235         /* if we had no read errors, check the printer status results... */
 236         if (result == STATE_OK) {
 237
 238                 if (paper_jam) {
 239                         result = STATE_WARNING;
 240                         strcpy (errmsg, _("Paper Jam"));
 241                 }
 242                 else if (paper_out) {
 243                         result = STATE_WARNING;
 244                         strcpy (errmsg, _("Out of Paper"));
 245                 }
 246                 else if (line_status == OFFLINE) {
 247                         if (strcmp (errmsg, "POWERSAVE ON") != 0) {
 248                                 result = STATE_WARNING;
 249                                 strcpy (errmsg, _("Printer Offline"));
 250                         }
 251                 }
 252                 else if (peripheral_error) {
 253                         result = STATE_WARNING;
 254                         strcpy (errmsg, _("Peripheral Error"));
 255                 }
 256                 else if (intervention_required) {
 257                         result = STATE_WARNING;
 258                         strcpy (errmsg, _("Intervention Required"));
 259                 }
 260                 else if (toner_low) {
 261                         result = STATE_WARNING;
 262                         strcpy (errmsg, _("Toner Low"));
 263                 }
 264                 else if (memory_out) {
 265                         result = STATE_WARNING;
 266                         strcpy (errmsg, _("Insufficient Memory"));
 267                 }
 268                 else if (door_open) {
 269                         result = STATE_WARNING;
 270                         strcpy (errmsg, _("A Door is Open"));
 271                 }
 272                 else if (paper_output) {
 273                         result = STATE_WARNING;
 274                         strcpy (errmsg, _("Output Tray is Full"));
 275                 }
 276                 else if (page_punt) {
 277                         result = STATE_WARNING;
 278                         strcpy (errmsg, _("Data too Slow for Engine"));
 279                 }
 280                 else if (paper_status) {
 281                         result = STATE_WARNING;
 282                         strcpy (errmsg, _("Unknown Paper Error"));
 283                 }
 284         }
 285
 286         if (result == STATE_OK)
 287                 printf (_("Printer ok - (%s)\n"), display_message);
 288
 289         else if (result == STATE_UNKNOWN) {
 290
 291                 printf ("%s\n", errmsg);
 292
 293                 /* if printer could not be reached, escalate to critical */
 294                 if (strstr (errmsg, "Timeout"))
 295                         result = STATE_CRITICAL;
 296         }
 297
 298         else if (result == STATE_WARNING)
 299                 printf ("%s (%s)\n", errmsg, display_message);
 300
 301         return result;
 302 }
 303
 304
 305 /* process command-line arguments */
 306 int
 307 process_arguments (int argc, char **argv)
 308 {
 309         int c;
 310
 311         int option = 0;
 312         static struct option longopts[] = {
 313                 {"hostname", required_argument, 0, 'H'},
 314                 {"community", required_argument, 0, 'C'},
 315 /*              {"critical",       required_argument,0,'c'}, */
 316 /*              {"warning",        required_argument,0,'w'}, */
 317 /*              {"port",           required_argument,0,'P'}, */
 318                 {"version", no_argument, 0, 'V'},
 319                 {"help", no_argument, 0, 'h'},
 320                 {0, 0, 0, 0}
 321         };
 322
 323         if (argc < 2)
 324                 return ERROR;
 325
 326
 327         while (1) {
 328                 c = getopt_long (argc, argv, "+hVH:C:", longopts, &option);
 329
 330                 if (c == -1 || c == EOF || c == 1)
 331                         break;
 332
 333                 switch (c) {
 334                 case 'H':                                                                       /* hostname */
 335                         if (is_host (optarg)) {
 336                                 address = strscpy(address, optarg) ;
 337                         }
 338                         else {
 339                                 usage2 (_("Invalid hostname/address"), optarg);
 340                         }
 341                         break;
 342                 case 'C':                                                                       /* community */
 343                         community = strscpy (community, optarg);
 344                         break;
 345                 case 'V':                                                                       /* version */
 346                         print_revision (progname, revision);
 347                         exit (STATE_OK);
 348                 case 'h':                                                                       /* help */
 349                         print_help ();
 350                         exit (STATE_OK);
 351                 case '?':                                                                       /* help */
 352                         usage5 ();
 353                 }
 354         }
 355
 356         c = optind;
 357         if (address == NULL) {
 358                 if (is_host (argv[c])) {
 359                         address = argv[c++];
 360                 }
 361                 else {
 362                         usage2 (_("Invalid hostname/address"), argv[c]);
 363                 }
 364         }
 365
 366         if (community == NULL) {
 367                 if (argv[c] != NULL )
 368                         community = argv[c];
 369                 else
 370                         community = strdup (DEFAULT_COMMUNITY);
 371         }
 372
 373         return validate_arguments ();
 374 }
 375
 376
 377 int
 378 validate_arguments (void)
 379 {
 380         return OK;
 381 }
 382
 383
 384 void
 385 print_help (void)
 386 {
 387         print_revision (progname, revision);
 388
 389         printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
 390         printf (COPYRIGHT, copyright, email);
 391
 392         printf ("%s\n", _("This plugin tests the STATUS of an HP printer with a JetDirect card."));
 393   printf ("%s\n", _("Net-snmp must be installed on the computer running the plugin."));
 394
 395   printf ("\n\n");
 396
 397         print_usage ();
 398
 399         printf (_(UT_HELP_VRSN));
 400
 401         printf (" %s\n", "-C, --community=STRING");
 402   printf ("    %s", _("The SNMP community name "));
 403   printf (_("(default=%s)"), DEFAULT_COMMUNITY);
 404
 405         printf (_(UT_SUPPORT));
 406 }
 407
 408
 409
 410 void
 411 print_usage (void)
 412 {
 413   printf (_("Usage:"));
 414         printf ("%s -H host [-C community]\n", progname);
 415 }