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 * $Id$
  18 *****************************************************************************/
  19
  20 const char *progname = "check_hpjd";
  21 const char *revision = "$Revision$";
  22 const char *copyright = "2000-2004";
  23 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  24
  25 #include "common.h"
  26 #include "popen.h"
  27 #include "utils.h"
  28 #include "netutils.h"
  29
  30 #define DEFAULT_COMMUNITY "public"
  31
  32
  33 const char *option_summary = "-H host [-C community]\n";
  34
  35 #define HPJD_LINE_STATUS           ".1.3.6.1.4.1.11.2.3.9.1.1.2.1"
  36 #define HPJD_PAPER_STATUS          ".1.3.6.1.4.1.11.2.3.9.1.1.2.2"
  37 #define HPJD_INTERVENTION_REQUIRED ".1.3.6.1.4.1.11.2.3.9.1.1.2.3"
  38 #define HPJD_GD_PERIPHERAL_ERROR   ".1.3.6.1.4.1.11.2.3.9.1.1.2.6"
  39 #define HPJD_GD_PAPER_JAM          ".1.3.6.1.4.1.11.2.3.9.1.1.2.8"
  40 #define HPJD_GD_PAPER_OUT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.9"
  41 #define HPJD_GD_TONER_LOW          ".1.3.6.1.4.1.11.2.3.9.1.1.2.10"
  42 #define HPJD_GD_PAGE_PUNT          ".1.3.6.1.4.1.11.2.3.9.1.1.2.11"
  43 #define HPJD_GD_MEMORY_OUT         ".1.3.6.1.4.1.11.2.3.9.1.1.2.12"
  44 #define HPJD_GD_DOOR_OPEN          ".1.3.6.1.4.1.11.2.3.9.1.1.2.17"
  45 #define HPJD_GD_PAPER_OUTPUT       ".1.3.6.1.4.1.11.2.3.9.1.1.2.19"
  46 #define HPJD_GD_STATUS_DISPLAY     ".1.3.6.1.4.1.11.2.3.9.1.1.3"
  47
  48 #define ONLINE          0
  49 #define OFFLINE         1
  50
  51 int process_arguments (int, char **);
  52 int validate_arguments (void);
  53 void print_help (void);
  54 void print_usage (void);
  55
  56 char *community = NULL;
  57 char *address = NULL;
  58
  59 int
  60 main (int argc, char **argv)
  61 {
  62         char command_line[1024];
  63         int result = STATE_UNKNOWN;
  64         int line;
  65         char input_buffer[MAX_INPUT_BUFFER];
  66         char query_string[512];
  67         char *errmsg;
  68         char *temp_buffer;
  69         int line_status = ONLINE;
  70         int paper_status = 0;
  71         int intervention_required = 0;
  72         int peripheral_error = 0;
  73         int paper_jam = 0;
  74         int paper_out = 0;
  75         int toner_low = 0;
  76         int page_punt = 0;
  77         int memory_out = 0;
  78         int door_open = 0;
  79         int paper_output = 0;
  80         char display_message[MAX_INPUT_BUFFER];
  81
  82         errmsg = malloc(MAX_INPUT_BUFFER);
  83
  84         setlocale (LC_ALL, "");
  85         bindtextdomain (PACKAGE, LOCALEDIR);
  86         textdomain (PACKAGE);
  87
  88         if (process_arguments (argc, argv) == ERROR)
  89                 usage4 (_("Could not parse arguments"));
  90
  91         /* removed ' 2>1' at end of command 10/27/1999 - EG */
  92         /* create the query string */
  93         sprintf
  94                 (query_string,
  95                  "%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
  96                  HPJD_LINE_STATUS,
  97                  HPJD_PAPER_STATUS,
  98                  HPJD_INTERVENTION_REQUIRED,
  99                  HPJD_GD_PERIPHERAL_ERROR,
 100                  HPJD_GD_PAPER_JAM,
 101                  HPJD_GD_PAPER_OUT,
 102                  HPJD_GD_TONER_LOW,
 103                  HPJD_GD_PAGE_PUNT,
 104                  HPJD_GD_MEMORY_OUT,
 105                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 106
 107         /* get the command to run */
 108         sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET, community,
 109                                                                         address, query_string);
 110
 111         /* run the command */
 112         child_process = spopen (command_line);
 113         if (child_process == NULL) {
 114                 printf (_("Could not open pipe: %s\n"), command_line);
 115                 return STATE_UNKNOWN;
 116         }
 117
 118         child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
 119         if (child_stderr == NULL) {
 120                 printf (_("Could not open stderr for %s\n"), command_line);
 121         }
 122
 123         result = STATE_OK;
 124
 125         line = 0;
 126         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
 127
 128                 /* strip the newline character from the end of the input */
 129                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 130                         input_buffer[strlen (input_buffer) - 1] = 0;
 131
 132                 line++;
 133
 134                 temp_buffer = strtok (input_buffer, "=");
 135                 temp_buffer = strtok (NULL, "=");
 136
 137                 if (temp_buffer == NULL) {
 138
 139                                 result = STATE_UNKNOWN;
 140                                 strcpy (errmsg, input_buffer);
 141
 142                 } else {
 143
 144                         switch (line) {
 145
 146                         case 1:                                                                         /* 1st line should contain the line status */
 147                                 line_status = atoi (temp_buffer);
 148                                 break;
 149                         case 2:                                                                         /* 2nd line should contain the paper status */
 150                                 paper_status = atoi (temp_buffer);
 151                                 break;
 152                         case 3:                                                                         /* 3rd line should be intervention required */
 153                                 intervention_required = atoi (temp_buffer);
 154                                 break;
 155                         case 4:                                                                         /* 4th line should be peripheral error */
 156                                 peripheral_error = atoi (temp_buffer);
 157                                 break;
 158                         case 5:                                                                         /* 5th line should contain the paper jam status */
 159                                 paper_jam = atoi (temp_buffer);
 160                                 break;
 161                         case 6:                                                                         /* 6th line should contain the paper out status */
 162                                 paper_out = atoi (temp_buffer);
 163                                 break;
 164                         case 7:                                                                         /* 7th line should contain the toner low status */
 165                                 toner_low = atoi (temp_buffer);
 166                                 break;
 167                         case 8:                                                                         /* did data come too slow for engine */
 168                                 page_punt = atoi (temp_buffer);
 169                                 break;
 170                         case 9:                                                                         /* did we run out of memory */
 171                                 memory_out = atoi (temp_buffer);
 172                                 break;
 173                         case 10:                                                                                /* is there a door open */
 174                                 door_open = atoi (temp_buffer);
 175                                 break;
 176                         case 11:                                                                                /* is output tray full */
 177                                 paper_output = atoi (temp_buffer);
 178                                 break;
 179                         case 12:                                                                                /* display panel message */
 180                                 strcpy (display_message, temp_buffer + 1);
 181                                 break;
 182                         default:
 183                                 break;
 184                         }
 185
 186                 }
 187
 188                 /* break out of the read loop if we encounter an error */
 189                 if (result != STATE_OK)
 190                         break;
 191         }
 192
 193         /* WARNING if output found on stderr */
 194         if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
 195                 result = max_state (result, STATE_WARNING);
 196                 /* remove CRLF */
 197                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 198                         input_buffer[strlen (input_buffer) - 1] = 0;
 199                 sprintf (errmsg, "%s", input_buffer );
 200
 201         }
 202
 203         /* close stderr */
 204         (void) fclose (child_stderr);
 205
 206         /* close the pipe */
 207         if (spclose (child_process))
 208                 result = max_state (result, STATE_WARNING);
 209
 210         /* if there wasn't any output, display an error */
 211         if (line == 0) {
 212
 213                 /* might not be the problem, but most likely is. */
 214                 result = STATE_UNKNOWN ;
 215                 asprintf (&errmsg, "%s : Timeout from host %s\n", errmsg, address );
 216
 217         }
 218
 219         /* if we had no read errors, check the printer status results... */
 220         if (result == STATE_OK) {
 221
 222                 if (paper_jam) {
 223                         result = STATE_WARNING;
 224                         strcpy (errmsg, _("Paper Jam"));
 225                 }
 226                 else if (paper_out) {
 227                         result = STATE_WARNING;
 228                         strcpy (errmsg, _("Out of Paper"));
 229                 }
 230                 else if (line_status == OFFLINE) {
 231                         if (strcmp (errmsg, "POWERSAVE ON") != 0) {
 232                                 result = STATE_WARNING;
 233                                 strcpy (errmsg, _("Printer Offline"));
 234                         }
 235                 }
 236                 else if (peripheral_error) {
 237                         result = STATE_WARNING;
 238                         strcpy (errmsg, _("Peripheral Error"));
 239                 }
 240                 else if (intervention_required) {
 241                         result = STATE_WARNING;
 242                         strcpy (errmsg, _("Intervention Required"));
 243                 }
 244                 else if (toner_low) {
 245                         result = STATE_WARNING;
 246                         strcpy (errmsg, _("Toner Low"));
 247                 }
 248                 else if (memory_out) {
 249                         result = STATE_WARNING;
 250                         strcpy (errmsg, _("Insufficient Memory"));
 251                 }
 252                 else if (door_open) {
 253                         result = STATE_WARNING;
 254                         strcpy (errmsg, _("A Door is Open"));
 255                 }
 256                 else if (paper_output) {
 257                         result = STATE_WARNING;
 258                         strcpy (errmsg, _("Output Tray is Full"));
 259                 }
 260                 else if (page_punt) {
 261                         result = STATE_WARNING;
 262                         strcpy (errmsg, _("Data too Slow for Engine"));
 263                 }
 264                 else if (paper_status) {
 265                         result = STATE_WARNING;
 266                         strcpy (errmsg, _("Unknown Paper Error"));
 267                 }
 268         }
 269
 270         if (result == STATE_OK)
 271                 printf (_("Printer ok - (%s)\n"), display_message);
 272
 273         else if (result == STATE_UNKNOWN) {
 274
 275                 printf ("%s\n", errmsg);
 276
 277                 /* if printer could not be reached, escalate to critical */
 278                 if (strstr (errmsg, "Timeout"))
 279                         result = STATE_CRITICAL;
 280         }
 281
 282         else if (result == STATE_WARNING)
 283                 printf ("%s (%s)\n", errmsg, display_message);
 284
 285         return result;
 286 }
 287
 288
 289
 290 /* process command-line arguments */
 291 int
 292 process_arguments (int argc, char **argv)
 293 {
 294         int c;
 295
 296         int option = 0;
 297         static struct option longopts[] = {
 298                 {"hostname", required_argument, 0, 'H'},
 299                 {"community", required_argument, 0, 'C'},
 300 /*              {"critical",       required_argument,0,'c'}, */
 301 /*              {"warning",        required_argument,0,'w'}, */
 302 /*              {"port",           required_argument,0,'P'}, */
 303                 {"version", no_argument, 0, 'V'},
 304                 {"help", no_argument, 0, 'h'},
 305                 {0, 0, 0, 0}
 306         };
 307
 308         if (argc < 2)
 309                 return ERROR;
 310
 311
 312         while (1) {
 313                 c = getopt_long (argc, argv, "+hVH:C:", longopts, &option);
 314
 315                 if (c == -1 || c == EOF || c == 1)
 316                         break;
 317
 318                 switch (c) {
 319                 case 'H':                                                                       /* hostname */
 320                         if (is_host (optarg)) {
 321                                 address = strscpy(address, optarg) ;
 322                         }
 323                         else {
 324                                 usage2 (_("Invalid hostname/address"), optarg);
 325                         }
 326                         break;
 327                 case 'C':                                                                       /* community */
 328                         community = strscpy (community, optarg);
 329                         break;
 330                 case 'V':                                                                       /* version */
 331                         print_revision (progname, revision);
 332                         exit (STATE_OK);
 333                 case 'h':                                                                       /* help */
 334                         print_help ();
 335                         exit (STATE_OK);
 336                 case '?':                                                                       /* help */
 337                         printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
 338                         print_usage ();
 339                         exit (STATE_UNKNOWN);
 340                 }
 341         }
 342
 343         c = optind;
 344         if (address == NULL) {
 345                 if (is_host (argv[c])) {
 346                         address = argv[c++];
 347                 }
 348                 else {
 349                         usage2 (_("Invalid hostname/address"), argv[c]);
 350                 }
 351         }
 352
 353         if (community == NULL) {
 354                 if (argv[c] != NULL )
 355                         community = argv[c];
 356                 else
 357                         community = strdup (DEFAULT_COMMUNITY);
 358         }
 359
 360         return validate_arguments ();
 361 }
 362
 363
 364
 365 int
 366 validate_arguments (void)
 367 {
 368         return OK;
 369 }
 370
 371
 372
 373 void
 374 print_help (void)
 375 {
 376         print_revision (progname, revision);
 377
 378         printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
 379         printf (COPYRIGHT, copyright, email);
 380
 381         printf (_("\
 382 This plugin tests the STATUS of an HP printer with a JetDirect card.\n\
 383 Net-snmp must be installed on the computer running the plugin.\n\n"));
 384
 385         print_usage ();
 386
 387         printf (_(UT_HELP_VRSN));
 388
 389         printf (_("\
 390  -C, --community=STRING\n\
 391     The SNMP community name (default=%s)\n"), DEFAULT_COMMUNITY);
 392
 393         printf (_(UT_SUPPORT));
 394 }
 395
 396
 397
 398 void
 399 print_usage (void)
 400 {
 401         printf ("Usage: %s -H host [-C community]\n"), progname);
 402 }