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
  95         if (process_arguments (argc, argv) != OK)
  96                 usage ("Invalid command arguments supplied\n");
  97
  98         /* removed ' 2>1' at end of command 10/27/1999 - EG */
  99         /* create the query string */
 100         sprintf
 101                 (query_string,
 102                  "%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
 103                  HPJD_LINE_STATUS,
 104                  HPJD_PAPER_STATUS,
 105                  HPJD_INTERVENTION_REQUIRED,
 106                  HPJD_GD_PERIPHERAL_ERROR,
 107                  HPJD_GD_PAPER_JAM,
 108                  HPJD_GD_PAPER_OUT,
 109                  HPJD_GD_TONER_LOW,
 110                  HPJD_GD_PAGE_PUNT,
 111                  HPJD_GD_MEMORY_OUT,
 112                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 113
 114         /* get the command to run */
 115         sprintf (command_line, "%s -m : -v 1 %s -c %s %s", PATH_TO_SNMPGET, address,
 116                                          community, query_string);
 117
 118         /* run the command */
 119         child_process = spopen (command_line);
 120         if (child_process == NULL) {
 121                 printf ("Could not open pipe: %s\n", command_line);
 122                 return STATE_UNKNOWN;
 123         }
 124
 125         child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
 126         if (child_stderr == NULL) {
 127                 printf ("Could not open stderr for %s\n", command_line);
 128         }
 129
 130         result = STATE_OK;
 131
 132         line = 0;
 133         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
 134
 135                 /* strip the newline character from the end of the input */
 136                 if (input_buffer[strlen (input_buffer) - 1] == '\n')
 137                         input_buffer[strlen (input_buffer) - 1] = 0;
 138
 139                 line++;
 140
 141                 temp_buffer = strtok (input_buffer, "=");
 142                 temp_buffer = strtok (NULL, "=");
 143
 144                 switch (line) {
 145
 146                 case 1:                                                                         /* 1st line should contain the line status */
 147                         if (temp_buffer != NULL)
 148                                 line_status = atoi (temp_buffer);
 149                         else {
 150                                 result = STATE_UNKNOWN;
 151                                 strcpy (error_message, input_buffer);
 152                         }
 153                         break;
 154
 155                 case 2:                                                                         /* 2nd line should contain the paper status */
 156                         if (temp_buffer != NULL)
 157                                 paper_status = atoi (temp_buffer);
 158                         else {
 159                                 result = STATE_UNKNOWN;
 160                                 strcpy (error_message, input_buffer);
 161                         }
 162                         break;
 163
 164                 case 3:                                                                         /* 3rd line should be intervention required */
 165                         if (temp_buffer != NULL)
 166                                 intervention_required = atoi (temp_buffer);
 167                         else {
 168                                 result = STATE_UNKNOWN;
 169                                 strcpy (error_message, input_buffer);
 170                         }
 171                         break;
 172
 173                 case 4:                                                                         /* 4th line should be peripheral error */
 174                         if (temp_buffer != NULL)
 175                                 peripheral_error = atoi (temp_buffer);
 176                         else {
 177                                 result = STATE_UNKNOWN;
 178                                 strcpy (error_message, input_buffer);
 179                         }
 180                         break;
 181
 182                 case 5:                                                                         /* 5th line should contain the paper jam status */
 183                         if (temp_buffer != NULL)
 184                                 paper_jam = atoi (temp_buffer);
 185                         else {
 186                                 result = STATE_UNKNOWN;
 187                                 strcpy (error_message, input_buffer);
 188                         }
 189                         break;
 190
 191                 case 6:                                                                         /* 6th line should contain the paper out status */
 192                         if (temp_buffer != NULL)
 193                                 paper_out = atoi (temp_buffer);
 194                         else {
 195                                 result = STATE_UNKNOWN;
 196                                 strcpy (error_message, input_buffer);
 197                         }
 198                         break;
 199
 200                 case 7:                                                                         /* 7th line should contain the toner low status */
 201                         if (temp_buffer != NULL)
 202                                 toner_low = atoi (temp_buffer);
 203                         else {
 204                                 result = STATE_UNKNOWN;
 205                                 strcpy (error_message, input_buffer);
 206                         }
 207                         break;
 208
 209                 case 8:                                                                         /* did data come too slow for engine */
 210                         if (temp_buffer != NULL)
 211                                 page_punt = atoi (temp_buffer);
 212                         else {
 213                                 result = STATE_UNKNOWN;
 214                                 strcpy (error_message, input_buffer);
 215                         }
 216                         break;
 217
 218                 case 9:                                                                         /* did we run out of memory */
 219                         if (temp_buffer != NULL)
 220                                 memory_out = atoi (temp_buffer);
 221                         else {
 222                                 result = STATE_UNKNOWN;
 223                                 strcpy (error_message, input_buffer);
 224                         }
 225                         break;
 226
 227                 case 10:                                                                                /* is there a door open */
 228                         if (temp_buffer != NULL)
 229                                 door_open = atoi (temp_buffer);
 230                         else {
 231                                 result = STATE_UNKNOWN;
 232                                 strcpy (error_message, input_buffer);
 233                         }
 234                         break;
 235
 236                 case 11:                                                                                /* is output tray full */
 237                         if (temp_buffer != NULL)
 238                                 paper_output = atoi (temp_buffer);
 239                         else {
 240                                 result = STATE_UNKNOWN;
 241                                 strcpy (error_message, input_buffer);
 242                         }
 243                         break;
 244
 245                 case 12:                                                                                /* display panel message */
 246                         if (temp_buffer != NULL)
 247                                 strcpy (display_message, temp_buffer + 1);
 248                         else {
 249                                 result = STATE_UNKNOWN;
 250                                 strcpy (error_message, input_buffer);
 251                         }
 252                         break;
 253
 254                 default:
 255                         break;
 256                 }
 257
 258                 /* break out of the read loop if we encounter an error */
 259                 if (result != STATE_OK)
 260                         break;
 261         }
 262
 263         /* WARNING if output found on stderr */
 264         if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
 265                 result = max_state (result, STATE_WARNING);
 266
 267         /* close stderr */
 268         (void) fclose (child_stderr);
 269
 270         /* close the pipe */
 271         if (spclose (child_process))
 272                 result = max_state (result, STATE_WARNING);
 273
 274         /* if there wasn't any output, display an error */
 275         if (line == 0) {
 276
 277                 /*
 278                    result=STATE_UNKNOWN;
 279                    strcpy(error_message,"Error: Could not read plugin output\n");
 280                  */
 281
 282                 /* might not be the problem, but most likely is.. */
 283                 result = STATE_UNKNOWN;
 284                 sprintf (error_message, "Timeout: No response from %s\n", address);
 285         }
 286
 287         /* if we had no read errors, check the printer status results... */
 288         if (result == STATE_OK) {
 289
 290                 if (paper_jam) {
 291                         result = STATE_WARNING;
 292                         strcpy (error_message, "Paper Jam");
 293                 }
 294                 else if (paper_out) {
 295                         result = STATE_WARNING;
 296                         strcpy (error_message, "Out of Paper");
 297                 }
 298                 else if (line_status == OFFLINE) {
 299                         if (strcmp (error_message, "POWERSAVE ON") != 0) {
 300                                 result = STATE_WARNING;
 301                                 strcpy (error_message, "Printer Offline");
 302                         }
 303                 }
 304                 else if (peripheral_error) {
 305                         result = STATE_WARNING;
 306                         strcpy (error_message, "Peripheral Error");
 307                 }
 308                 else if (intervention_required) {
 309                         result = STATE_WARNING;
 310                         strcpy (error_message, "Intervention Required");
 311                 }
 312                 else if (toner_low) {
 313                         result = STATE_WARNING;
 314                         strcpy (error_message, "Toner Low");
 315                 }
 316                 else if (memory_out) {
 317                         result = STATE_WARNING;
 318                         strcpy (error_message, "Insufficient Memory");
 319                 }
 320                 else if (door_open) {
 321                         result = STATE_WARNING;
 322                         strcpy (error_message, "A Door is Open");
 323                 }
 324                 else if (paper_output) {
 325                         result = STATE_WARNING;
 326                         strcpy (error_message, "Output Tray is Full");
 327                 }
 328                 else if (page_punt) {
 329                         result = STATE_WARNING;
 330                         strcpy (error_message, "Data too Slow for Engine");
 331                 }
 332                 else if (paper_status) {
 333                         result = STATE_WARNING;
 334                         strcpy (error_message, "Unknown Paper Error");
 335                 }
 336         }
 337
 338         if (result == STATE_OK)
 339                 printf ("Printer ok - (%s)\n", display_message);
 340
 341         else if (result == STATE_UNKNOWN) {
 342
 343                 printf ("%s\n", error_message);
 344
 345                 /* if printer could not be reached, escalate to critical */
 346                 if (strstr (error_message, "Timeout"))
 347                         result = STATE_CRITICAL;
 348         }
 349
 350         else if (result == STATE_WARNING)
 351                 printf ("%s (%s)\n", error_message, display_message);
 352
 353         return result;
 354 }
 355
 356
 357
 358
 359
 360 /* process command-line arguments */
 361 int
 362 process_arguments (int argc, char **argv)
 363 {
 364         int c;
 365
 366         int option_index = 0;
 367         static struct option long_options[] = {
 368                 {"hostname", required_argument, 0, 'H'},
 369                 {"community", required_argument, 0, 'C'},
 370 /*              {"critical",       required_argument,0,'c'}, */
 371 /*              {"warning",        required_argument,0,'w'}, */
 372 /*              {"port",           required_argument,0,'P'}, */
 373                 {"version", no_argument, 0, 'V'},
 374                 {"help", no_argument, 0, 'h'},
 375                 {0, 0, 0, 0}
 376         };
 377
 378         if (argc < 2)
 379                 return ERROR;
 380
 381
 382         while (1) {
 383                 c = getopt_long (argc, argv, "+hVH:C:", long_options, &option_index);
 384
 385                 if (c == -1 || c == EOF || c == 1)
 386                         break;
 387
 388                 switch (c) {
 389                 case 'H':                                                                       /* hostname */
 390                         if (is_host (optarg)) {
 391                                 address = strscpy(address, optarg) ;
 392                         }
 393                         else {
 394                                 usage ("Invalid host name\n");
 395                         }
 396                         break;
 397                 case 'C':                                                                       /* community */
 398                         community = strscpy (community, optarg);
 399                         break;
 400                 case 'V':                                                                       /* version */
 401                         print_revision (progname, revision);
 402                         exit (STATE_OK);
 403                 case 'h':                                                                       /* help */
 404                         print_help ();
 405                         exit (STATE_OK);
 406                 case '?':                                                                       /* help */
 407                         usage ("Invalid argument\n");
 408                 }
 409         }
 410
 411         c = optind;
 412         if (address == NULL) {
 413                 if (is_host (argv[c])) {
 414                         address = argv[c++];
 415                 }
 416                 else {
 417                         usage ("Invalid host name");
 418                 }
 419         }
 420
 421         if (argv[c] != NULL ) {
 422                 community = argv[c];
 423         }
 424
 425         return validate_arguments ();
 426 }
 427
 428
 429
 430
 431
 432 int
 433 validate_arguments (void)
 434 {
 435         return OK;
 436 }
 437
 438
 439
 440
 441
 442 void
 443 print_help (void)
 444 {
 445         print_revision (progname, revision);
 446         printf ("Copyright (c) %s %s\n\t<%s>\n\n", copyright, authors, email);
 447         printf (summary);
 448         print_usage ();
 449         printf ("\nOptions:\n");
 450         printf (options, DEFAULT_COMMUNITY);
 451         support ();
 452 }
 453
 454 void
 455 print_usage (void)
 456 {
 457         printf ("\
 458 Usage:\n\
 459  %s %s\n\
 460  %s (-h | --help) for detailed help\n\
 461  %s (-V | --version) for version information\n",
 462                 progname, option_summary, progname, progname);
 463 }
 464
 465
 466 /*
 467         if(argc<2||argc>3){
 468         printf("Incorrect number of arguments supplied\n");
 469         print_revision(argv[0],"$Revision$");
 470         printf("Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)\n");
 471         printf("License: GPL\n");
 472         printf("Usage: %s <ip_address> [community]\n",argv[0]);
 473         printf("Note:\n");
 474         printf(" <ip_address>     = The IP address of the JetDirect card\n");
 475         printf(" [community]      = An optional community string used for SNMP communication\n");
 476         printf("                    with the JetDirect card.  The default is 'public'.\n");
 477         return STATE_UNKNOWN;
 478         }
 479         // get the IP address of the JetDirect device
 480         strcpy(address,argv[1]);
 481         // get the community name to use for SNMP communication
 482         if(argc>=3)
 483         strcpy(community,argv[2]);
 484         else
 485         strcpy(community,"public");
 486 */