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 * Description:
   9 *
  10 * This file contains the check_hpjd plugin
  11 *
  12 * This plugin tests the STATUS of an HP printer with a JetDirect card.
  13 * Net-SNMP must be installed on the computer running the plugin.
  14 *
  15 *
  16 * This program is free software: you can redistribute it and/or modify
  17 * it under the terms of the GNU General Public License as published by
  18 * the Free Software Foundation, either version 3 of the License, or
  19 * (at your option) any later version.
  20 *
  21 * This program is distributed in the hope that it will be useful,
  22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 * GNU General Public License for more details.
  25 *
  26 * You should have received a copy of the GNU General Public License
  27 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28 *
  29 *
  30 *****************************************************************************/
  31
  32 const char *progname = "check_hpjd";
  33 const char *copyright = "2000-2007";
  34 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  35
  36 #include "common.h"
  37 #include "popen.h"
  38 #include "utils.h"
  39 #include "netutils.h"
  40
  41 #define DEFAULT_COMMUNITY "public"
  42
  43
  44 const char *option_summary = "-H host [-C community]\n";
  45
  46 #define HPJD_LINE_STATUS           ".1.3.6.1.4.1.11.2.3.9.1.1.2.1"
  47 #define HPJD_PAPER_STATUS          ".1.3.6.1.4.1.11.2.3.9.1.1.2.2"
  48 #define HPJD_INTERVENTION_REQUIRED ".1.3.6.1.4.1.11.2.3.9.1.1.2.3"
  49 #define HPJD_GD_PERIPHERAL_ERROR   ".1.3.6.1.4.1.11.2.3.9.1.1.2.6"
  50 #define HPJD_GD_PAPER_OUT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.8"
  51 #define HPJD_GD_PAPER_JAM          ".1.3.6.1.4.1.11.2.3.9.1.1.2.9"
  52 #define HPJD_GD_TONER_LOW          ".1.3.6.1.4.1.11.2.3.9.1.1.2.10"
  53 #define HPJD_GD_PAGE_PUNT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.11"
  54 #define HPJD_GD_MEMORY_OUT         ".1.3.6.1.4.1.11.2.3.9.1.1.2.12"
  55 #define HPJD_GD_DOOR_OPEN          ".1.3.6.1.4.1.11.2.3.9.1.1.2.17"
  56 #define HPJD_GD_PAPER_OUTPUT       ".1.3.6.1.4.1.11.2.3.9.1.1.2.19"
  57 #define HPJD_GD_STATUS_DISPLAY     ".1.3.6.1.4.1.11.2.3.9.1.1.3"
  58
  59 #define ONLINE          0
  60 #define OFFLINE         1
  61
  62 int process_arguments (int, char **);
  63 int validate_arguments (void);
  64 void print_help (void);
  65 void print_usage (void);
  66
  67 char *community = NULL;
  68 char *address = NULL;
  69
  70 int
  71 main (int argc, char **argv)
  72 {
  73         char command_line[1024];
  74         int result = STATE_UNKNOWN;
  75         int line;
  76         char input_buffer[MAX_INPUT_BUFFER];
  77         char query_string[512];
  78         char *errmsg;
  79         char *temp_buffer;
  80         int line_status = ONLINE;
  81         int paper_status = 0;
  82         int intervention_required = 0;
  83         int peripheral_error = 0;
  84         int paper_jam = 0;
  85         int paper_out = 0;
  86         int toner_low = 0;
  87         int page_punt = 0;
  88         int memory_out = 0;
  89         int door_open = 0;
  90         int paper_output = 0;
  91         char display_message[MAX_INPUT_BUFFER];
  92
  93         errmsg = malloc(MAX_INPUT_BUFFER);
  94
  95         setlocale (LC_ALL, "");
  96         bindtextdomain (PACKAGE, LOCALEDIR);
  97         textdomain (PACKAGE);
  98
  99         /* Parse extra opts if any */
 100         argv=np_extra_opts (&argc, argv, progname);
 101
 102         if (process_arguments (argc, argv) == ERROR)
 103                 usage4 (_("Could not parse arguments"));
 104
 105         /* removed ' 2>1' at end of command 10/27/1999 - EG */
 106         /* create the query string */
 107         sprintf
 108                 (query_string,
 109                  "%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
 110                  HPJD_LINE_STATUS,
 111                  HPJD_PAPER_STATUS,
 112                  HPJD_INTERVENTION_REQUIRED,
 113                  HPJD_GD_PERIPHERAL_ERROR,
 114                  HPJD_GD_PAPER_JAM,
 115                  HPJD_GD_PAPER_OUT,
 116                  HPJD_GD_TONER_LOW,
 117                  HPJD_GD_PAGE_PUNT,
 118                  HPJD_GD_MEMORY_OUT,
 119                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 120
 121         /* get the command to run */
 122         sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET, community,
 123                                                                         address, query_string);
 124
 125         /* run the command */
 126         child_process = spopen (command_line);
 127         if (child_process == NULL) {
 128                 printf (_("Could not open pipe: %s\n"), command_line);
 129                 return STATE_UNKNOWN;
 130         }
 131
 132         child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
 133         if (child_stderr == NULL) {
 134                 printf (_("Could not open stderr for %s\n"), command_line);
 135         }
 136
 137         result = STATE_OK;
 138
 139         line = 0;
 140         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
 141
 142                 /* strip the newline character from the end of the input */
 143                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 144                         input_buffer[strlen (input_buffer) - 1] = 0;
 145
 146                 line++;
 147
 148                 temp_buffer = strtok (input_buffer, "=");
 149                 temp_buffer = strtok (NULL, "=");
 150
 151                 if (temp_buffer == NULL && line < 13) {
 152
 153                                 result = STATE_UNKNOWN;
 154                                 strcpy (errmsg, input_buffer);
 155
 156                 } else {
 157
 158                         switch (line) {
 159
 160                         case 1:                                                                         /* 1st line should contain the line status */
 161                                 line_status = atoi (temp_buffer);
 162                                 break;
 163                         case 2:                                                                         /* 2nd line should contain the paper status */
 164                                 paper_status = atoi (temp_buffer);
 165                                 break;
 166                         case 3:                                                                         /* 3rd line should be intervention required */
 167                                 intervention_required = atoi (temp_buffer);
 168                                 break;
 169                         case 4:                                                                         /* 4th line should be peripheral error */
 170                                 peripheral_error = atoi (temp_buffer);
 171                                 break;
 172                         case 5:                                                                         /* 5th line should contain the paper jam status */
 173                                 paper_jam = atoi (temp_buffer);
 174                                 break;
 175                         case 6:                                                                         /* 6th line should contain the paper out status */
 176                                 paper_out = atoi (temp_buffer);
 177                                 break;
 178                         case 7:                                                                         /* 7th line should contain the toner low status */
 179                                 toner_low = atoi (temp_buffer);
 180                                 break;
 181                         case 8:                                                                         /* did data come too slow for engine */
 182                                 page_punt = atoi (temp_buffer);
 183                                 break;
 184                         case 9:                                                                         /* did we run out of memory */
 185                                 memory_out = atoi (temp_buffer);
 186                                 break;
 187                         case 10:                                                                                /* is there a door open */
 188                                 door_open = atoi (temp_buffer);
 189                                 break;
 190                         case 11:                                                                                /* is output tray full */
 191                                 paper_output = atoi (temp_buffer);
 192                                 break;
 193                         case 12:                                                                                /* display panel message */
 194                                 strcpy (display_message, temp_buffer + 1);
 195                                 break;
 196                         default:                                                                                /* fold multiline message */
 197                                 strncat (display_message, input_buffer,
 198                                                 sizeof (display_message) - strlen (display_message) - 1);
 199                         }
 200
 201                 }
 202
 203                 /* break out of the read loop if we encounter an error */
 204                 if (result != STATE_OK)
 205                         break;
 206         }
 207
 208         /* WARNING if output found on stderr */
 209         if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
 210                 result = max_state (result, STATE_WARNING);
 211                 /* remove CRLF */
 212                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 213                         input_buffer[strlen (input_buffer) - 1] = 0;
 214                 sprintf (errmsg, "%s", input_buffer );
 215
 216         }
 217
 218         /* close stderr */
 219         (void) fclose (child_stderr);
 220
 221         /* close the pipe */
 222         if (spclose (child_process))
 223                 result = max_state (result, STATE_WARNING);
 224
 225         /* if there wasn't any output, display an error */
 226         if (line == 0) {
 227
 228                 /* might not be the problem, but most likely is. */
 229                 result = STATE_UNKNOWN ;
 230                 asprintf (&errmsg, "%s : Timeout from host %s\n", errmsg, address );
 231
 232         }
 233
 234         /* if we had no read errors, check the printer status results... */
 235         if (result == STATE_OK) {
 236
 237                 if (paper_jam) {
 238                         result = STATE_WARNING;
 239                         strcpy (errmsg, _("Paper Jam"));
 240                 }
 241                 else if (paper_out) {
 242                         result = STATE_WARNING;
 243                         strcpy (errmsg, _("Out of Paper"));
 244                 }
 245                 else if (line_status == OFFLINE) {
 246                         if (strcmp (errmsg, "POWERSAVE ON") != 0) {
 247                                 result = STATE_WARNING;
 248                                 strcpy (errmsg, _("Printer Offline"));
 249                         }
 250                 }
 251                 else if (peripheral_error) {
 252                         result = STATE_WARNING;
 253                         strcpy (errmsg, _("Peripheral Error"));
 254                 }
 255                 else if (intervention_required) {
 256                         result = STATE_WARNING;
 257                         strcpy (errmsg, _("Intervention Required"));
 258                 }
 259                 else if (toner_low) {
 260                         result = STATE_WARNING;
 261                         strcpy (errmsg, _("Toner Low"));
 262                 }
 263                 else if (memory_out) {
 264                         result = STATE_WARNING;
 265                         strcpy (errmsg, _("Insufficient Memory"));
 266                 }
 267                 else if (door_open) {
 268                         result = STATE_WARNING;
 269                         strcpy (errmsg, _("A Door is Open"));
 270                 }
 271                 else if (paper_output) {
 272                         result = STATE_WARNING;
 273                         strcpy (errmsg, _("Output Tray is Full"));
 274                 }
 275                 else if (page_punt) {
 276                         result = STATE_WARNING;
 277                         strcpy (errmsg, _("Data too Slow for Engine"));
 278                 }
 279                 else if (paper_status) {
 280                         result = STATE_WARNING;
 281                         strcpy (errmsg, _("Unknown Paper Error"));
 282                 }
 283         }
 284
 285         if (result == STATE_OK)
 286                 printf (_("Printer ok - (%s)\n"), display_message);
 287
 288         else if (result == STATE_UNKNOWN) {
 289
 290                 printf ("%s\n", errmsg);
 291
 292                 /* if printer could not be reached, escalate to critical */
 293                 if (strstr (errmsg, "Timeout"))
 294                         result = STATE_CRITICAL;
 295         }
 296
 297         else if (result == STATE_WARNING)
 298                 printf ("%s (%s)\n", errmsg, display_message);
 299
 300         return result;
 301 }
 302
 303
 304 /* process command-line arguments */
 305 int
 306 process_arguments (int argc, char **argv)
 307 {
 308         int c;
 309
 310         int option = 0;
 311         static struct option longopts[] = {
 312                 {"hostname", required_argument, 0, 'H'},
 313                 {"community", required_argument, 0, 'C'},
 314 /*              {"critical",       required_argument,0,'c'}, */
 315 /*              {"warning",        required_argument,0,'w'}, */
 316 /*              {"port",           required_argument,0,'P'}, */
 317                 {"version", no_argument, 0, 'V'},
 318                 {"help", no_argument, 0, 'h'},
 319                 {0, 0, 0, 0}
 320         };
 321
 322         if (argc < 2)
 323                 return ERROR;
 324
 325
 326         while (1) {
 327                 c = getopt_long (argc, argv, "+hVH:C:", longopts, &option);
 328
 329                 if (c == -1 || c == EOF || c == 1)
 330                         break;
 331
 332                 switch (c) {
 333                 case 'H':                                                                       /* hostname */
 334                         if (is_host (optarg)) {
 335                                 address = strscpy(address, optarg) ;
 336                         }
 337                         else {
 338                                 usage2 (_("Invalid hostname/address"), optarg);
 339                         }
 340                         break;
 341                 case 'C':                                                                       /* community */
 342                         community = strscpy (community, optarg);
 343                         break;
 344                 case 'V':                                                                       /* version */
 345                         print_revision (progname, NP_VERSION);
 346                         exit (STATE_OK);
 347                 case 'h':                                                                       /* help */
 348                         print_help ();
 349                         exit (STATE_OK);
 350                 case '?':                                                                       /* help */
 351                         usage5 ();
 352                 }
 353         }
 354
 355         c = optind;
 356         if (address == NULL) {
 357                 if (is_host (argv[c])) {
 358                         address = argv[c++];
 359                 }
 360                 else {
 361                         usage2 (_("Invalid hostname/address"), argv[c]);
 362                 }
 363         }
 364
 365         if (community == NULL) {
 366                 if (argv[c] != NULL )
 367                         community = argv[c];
 368                 else
 369                         community = strdup (DEFAULT_COMMUNITY);
 370         }
 371
 372         return validate_arguments ();
 373 }
 374
 375
 376 int
 377 validate_arguments (void)
 378 {
 379         return OK;
 380 }
 381
 382
 383 void
 384 print_help (void)
 385 {
 386         print_revision (progname, NP_VERSION);
 387
 388         printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
 389         printf (COPYRIGHT, copyright, email);
 390
 391         printf ("%s\n", _("This plugin tests the STATUS of an HP printer with a JetDirect card."));
 392         printf ("%s\n", _("Net-snmp must be installed on the computer running the plugin."));
 393
 394         printf ("\n\n");
 395
 396         print_usage ();
 397
 398         printf (_(UT_HELP_VRSN));
 399         printf (_(UT_EXTRA_OPTS));
 400
 401         printf (" %s\n", "-C, --community=STRING");
 402         printf ("    %s", _("The SNMP community name "));
 403         printf (_("(default=%s)"), DEFAULT_COMMUNITY);
 404         printf ("\n");
 405
 406 #ifdef NP_EXTRA_OPTS
 407         printf ("\n");
 408         printf ("%s\n", _("Notes:"));
 409         printf (_(UT_EXTRA_OPTS_NOTES));
 410 #endif
 411
 412         printf (_(UT_SUPPORT));
 413 }
 414
 415
 416
 417 void
 418 print_usage (void)
 419 {
 420   printf (_("Usage:"));
 421         printf ("%s -H host [-C community]\n", progname);
 422 }