220be234c6dc0cfddbdfc8292dd554f89367317c
1 /******************************************************************************
2 *
3 * CHECK_SNMP.C
4 *
5 * Program: SNMP plugin for Nagios
6 * License: GPL
7 * Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)
8 *
9 * Last Modified: $Date$
10 *
11 * Description:
12 *
13 * This plugin uses the 'snmpget' command included with the UCD-SNMP
14 * package. If you don't have the package installed you will need to
15 * download it from http://ucd-snmp.ucdavis.edu before you can use
16 * this plugin.
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 *./plugins/check_snmp 127.0.0.1 -c public -o .1.3.6.1.4.1.2021.9.1.2.1
34 *****************************************************************************/
36 #include "common.h"
37 #include "utils.h"
38 #include "popen.h"
40 #define PROGNAME check_snmp
42 #define mark(a) ((a)!=0?"*":"")
44 #define CHECK_UNDEF 0
45 #define CRIT_PRESENT 1
46 #define CRIT_STRING 2
47 #define CRIT_REGEX 4
48 #define CRIT_GT 8
49 #define CRIT_LT 16
50 #define CRIT_GE 32
51 #define CRIT_LE 64
52 #define CRIT_EQ 128
53 #define CRIT_NE 256
54 #define CRIT_RANGE 512
55 #define WARN_PRESENT 1024
56 #define WARN_STRING 2048
57 #define WARN_REGEX 4096
58 #define WARN_GT 8192
59 #define WARN_LT 16384
60 #define WARN_GE 32768
61 #define WARN_LE 65536
62 #define WARN_EQ 131072
63 #define WARN_NE 262144
64 #define WARN_RANGE 524288
66 #define MAX_OIDS 8
67 #define MAX_DELIM_LENGTH 8
68 #define DEFAULT_DELIMITER "="
69 #define DEFAULT_OUTPUT_DELIMITER " "
71 void print_usage (void);
72 void print_help (char *);
73 int process_arguments (int, char **);
74 int call_getopt (int, char **);
75 int check_num (int);
76 char *clarify_message (char *);
77 int lu_getll (unsigned long *, char *);
78 int lu_getul (unsigned long *, char *);
79 char *thisarg (char *str);
80 char *nextarg (char *str);
82 #ifdef HAVE_REGEX_H
83 #include <regex.h>
84 char regex_expect[MAX_INPUT_BUFFER] = "";
85 regex_t preg;
86 regmatch_t pmatch[10];
87 char timestamp[10] = "";
88 char regex[MAX_INPUT_BUFFER];
89 char errbuf[MAX_INPUT_BUFFER];
90 int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
91 int eflags = 0;
92 int errcode, excode;
93 #endif
95 char *server_address = NULL;
96 char *community = NULL;
97 char oid[MAX_INPUT_BUFFER] = "";
98 char *label = NULL;
99 char *units = NULL;
100 char *port = NULL;
101 char string_value[MAX_INPUT_BUFFER] = "";
102 char **labels = NULL;
103 char **unitv = NULL;
104 int nlabels = 0;
105 int labels_size = 8;
106 int nunits = 0;
107 int unitv_size = 8;
108 unsigned long lower_warn_lim[MAX_OIDS];
109 unsigned long upper_warn_lim[MAX_OIDS];
110 unsigned long lower_crit_lim[MAX_OIDS];
111 unsigned long upper_crit_lim[MAX_OIDS];
112 unsigned long response_value[MAX_OIDS];
113 int check_warning_value = FALSE;
114 int check_critical_value = FALSE;
115 int eval_method[MAX_OIDS];
116 char *delimiter = NULL;
117 char *output_delim = NULL;
120 int
121 main (int argc, char **argv)
122 {
123 int i = 0;
124 int iresult = STATE_UNKNOWN;
125 int found = 0;
126 int result = STATE_DEPENDENT;
127 char input_buffer[MAX_INPUT_BUFFER];
128 char *command_line = NULL;
129 char *response = NULL;
130 char *outbuff = NULL;
131 char *output = NULL;
132 char *ptr = NULL;
133 char *p2 = NULL;
134 char *show = NULL;
136 labels = malloc (labels_size);
137 unitv = malloc (unitv_size);
138 outbuff = strscpy (outbuff, "");
139 for (i = 0; i < MAX_OIDS; i++)
140 eval_method[i] = CHECK_UNDEF;
141 i = 0;
143 if (process_arguments (argc, argv) == ERROR)
144 usage ("Incorrect arguments supplied\n");
146 /* create the command line to execute */
147 asprintf
148 (&command_line,
149 "%s -p %s -m ALL -v 1 %s -c %s %s",
150 PATH_TO_SNMPGET, port, server_address, community, oid);
152 /* run the command */
153 child_process = spopen (command_line);
154 if (child_process == NULL) {
155 printf ("Could not open pipe: %s\n", command_line);
156 exit (STATE_UNKNOWN);
157 }
159 child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
160 if (child_stderr == NULL) {
161 printf ("Could not open stderr for %s\n", command_line);
162 }
164 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process))
165 output = strscat (output, input_buffer);
167 ptr = output;
169 while (ptr) {
171 ptr = strstr (ptr, delimiter);
172 if (ptr == NULL)
173 break;
175 ptr += strlen (delimiter);
176 ptr += strspn (ptr, " ");
178 found++;
180 if (ptr[0] == '"') {
181 ptr++;
182 response = strpcpy (response, ptr, "\"");
183 ptr = strpbrk (ptr, "\"");
184 ptr += strspn (ptr, "\"\n");
185 }
186 else {
187 response = strpcpy (response, ptr, "\n");
188 ptr = strpbrk (ptr, "\n");
189 ptr += strspn (ptr, "\n");
190 while
191 (strstr (ptr, delimiter) &&
192 strstr (ptr, "\n") && strstr (ptr, "\n") < strstr (ptr, delimiter)) {
193 response = strpcat (response, ptr, "\n");
194 ptr = strpbrk (ptr, "\n");
195 }
196 if (ptr && strstr (ptr, delimiter) == NULL) {
197 response = strscat (response, ptr);
198 ptr = NULL;
199 }
200 }
202 if (strstr (response, "Gauge: "))
203 show = strstr (response, "Gauge: ") + 7;
204 else if (strstr (response, "Gauge32: "))
205 show = strstr (response, "Gauge32: ") + 9;
206 else
207 show = response;
208 p2 = show;
210 if (eval_method[i] & CRIT_GT ||
211 eval_method[i] & CRIT_LT ||
212 eval_method[i] & CRIT_GE ||
213 eval_method[i] & CRIT_LE ||
214 eval_method[i] & CRIT_EQ ||
215 eval_method[i] & CRIT_NE ||
216 eval_method[i] & WARN_GT ||
217 eval_method[i] & WARN_LT ||
218 eval_method[i] & WARN_GE ||
219 eval_method[i] & WARN_LE ||
220 eval_method[i] & WARN_EQ || eval_method[i] & WARN_NE) {
221 p2 = strpbrk (p2, "0123456789");
222 response_value[i] = strtoul (p2, NULL, 10);
223 iresult = check_num (i);
224 asprintf (&show, "%lu", response_value[i]);
225 /*asprintf (&show, "%s", response); */
226 }
228 else if (eval_method[i] & CRIT_STRING) {
229 if (strcmp (response, string_value))
230 iresult = STATE_CRITICAL;
231 else
232 iresult = STATE_OK;
233 }
235 else if (eval_method[i] & CRIT_REGEX) {
236 #ifdef HAVE_REGEX_H
237 excode = regexec (&preg, response, 10, pmatch, eflags);
238 if (excode == 0) {
239 iresult = STATE_OK;
240 }
241 else if (excode != REG_NOMATCH) {
242 regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER);
243 printf ("Execute Error: %s\n", errbuf);
244 exit (STATE_CRITICAL);
245 }
246 else {
247 iresult = STATE_CRITICAL;
248 }
249 #else
250 printf ("SNMP UNKNOWN: call for regex which was not a compiled option");
251 exit (STATE_UNKNOWN);
252 #endif
253 }
255 else {
256 if (response)
257 iresult = STATE_OK;
258 else if (eval_method[i] & CRIT_PRESENT)
259 iresult = STATE_CRITICAL;
260 else
261 iresult = STATE_WARNING;
262 }
264 result = max_state (result, iresult);
266 if (nlabels > 1 && i < nlabels && labels[i] != NULL)
267 asprintf
268 (&outbuff,
269 "%s%s%s %s%s%s",
270 outbuff,
271 (i == 0) ? " " : output_delim,
272 labels[i], mark (iresult), show, mark (iresult));
273 else
274 asprintf (&outbuff, "%s%s%s%s%s", outbuff,
275 (i == 0) ? " " : output_delim, mark (iresult), show, mark (iresult));
277 if (nunits > 0 && i < nunits)
278 asprintf (&outbuff, "%s %s", outbuff, unitv[i]);
280 i++;
282 } /* end while */
284 if (found == 0)
285 terminate
286 (STATE_UNKNOWN,
287 "%s problem - No data recieved from host\nCMD: %s\n",
288 label, command_line);
290 /* WARNING if output found on stderr */
291 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
292 result = max_state (result, STATE_WARNING);
294 /* close stderr */
295 (void) fclose (child_stderr);
297 /* close the pipe */
298 if (spclose (child_process))
299 result = max_state (result, STATE_WARNING);
301 if (nunits > 0)
302 printf ("%s %s -%s\n", label, state_text (result), outbuff);
303 else
304 printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units);
306 return result;
307 }
309 /* process command-line arguments */
310 int
311 process_arguments (int argc, char **argv)
312 {
313 int c;
315 if (argc < 2)
316 return ERROR;
318 for (c = 1; c < argc; c++) {
319 if (strcmp ("-to", argv[c]) == 0)
320 strcpy (argv[c], "-t");
321 if (strcmp ("-wv", argv[c]) == 0)
322 strcpy (argv[c], "-w");
323 if (strcmp ("-cv", argv[c]) == 0)
324 strcpy (argv[c], "-c");
325 }
327 c = 0;
328 while (c += (call_getopt (argc - c, &argv[c]))) {
329 if (argc <= c)
330 break;
331 if (server_address == NULL)
332 server_address = strscpy (NULL, argv[c]);
333 }
335 if (community == NULL)
336 community = strscpy (NULL, "public");
338 if (delimiter == NULL)
339 delimiter = strscpy (NULL, DEFAULT_DELIMITER);
341 if (output_delim == NULL)
342 output_delim = strscpy (NULL, DEFAULT_OUTPUT_DELIMITER);
344 if (label == NULL)
345 label = strscpy (NULL, "SNMP");
347 if (units == NULL)
348 units = strscpy (NULL, "");
350 if (port == NULL)
351 port = strscpy(NULL,"161");
353 return c;
354 }
356 int
357 call_getopt (int argc, char **argv)
358 {
359 char *ptr;
360 int c, i = 1;
361 int j = 0, jj = 0;
363 #ifdef HAVE_GETOPT_H
364 int option_index = 0;
365 static struct option long_options[] = {
366 {"help", no_argument, 0, 'h'},
367 {"version", no_argument, 0, 'V'},
368 {"timeout", required_argument, 0, 't'},
369 {"critical", required_argument, 0, 'c'},
370 {"warning", required_argument, 0, 'w'},
371 {"hostname", required_argument, 0, 'H'},
372 {"community", required_argument, 0, 'C'},
373 {"oid", required_argument, 0, 'o'},
374 {"object", required_argument, 0, 'o'},
375 {"delimiter", required_argument, 0, 'd'},
376 {"output-delimiter", required_argument, 0, 'D'},
377 {"string", required_argument, 0, 's'},
378 {"regex", required_argument, 0, 'r'},
379 {"ereg", required_argument, 0, 'r'},
380 {"eregi", required_argument, 0, 'R'},
381 {"label", required_argument, 0, 'l'},
382 {"units", required_argument, 0, 'u'},
383 {"port", required_argument, 0, 'p'},
384 {0, 0, 0, 0}
385 };
386 #endif
388 while (1) {
389 #ifdef HAVE_GETOPT_H
390 c =
391 getopt_long (argc, argv, "+?hVt:c:w:H:C:o:d:D:s:R:r:l:u:p:",
392 long_options, &option_index);
393 #else
394 c = getopt (argc, argv, "+?hVt:c:w:H:C:o:d:D:s:R:r:l:u:p:");
395 #endif
397 if (c == -1 || c == EOF)
398 break;
400 i++;
401 switch (c) {
402 case 't':
403 case 'c':
404 case 'w':
405 case 'H':
406 case 'C':
407 case 'o':
408 case 'd':
409 case 'D':
410 case 's':
411 case 'R':
412 case 'r':
413 case 'l':
414 case 'u':
415 case 'p':
416 i++;
417 }
419 switch (c) {
420 case '?': /* help */
421 printf ("%s: Unknown argument: %s\n\n", my_basename (argv[0]), optarg);
422 print_usage ();
423 exit (STATE_UNKNOWN);
424 case 'h': /* help */
425 print_help (my_basename (argv[0]));
426 exit (STATE_OK);
427 case 'V': /* version */
428 print_revision (my_basename (argv[0]), "$Revision$");
429 exit (STATE_OK);
430 case 't': /* timeout period */
431 if (!is_integer (optarg)) {
432 printf ("%s: Timeout Interval must be an integer!\n\n",
433 my_basename (argv[0]));
434 print_usage ();
435 exit (STATE_UNKNOWN);
436 }
437 timeout_interval = atoi (optarg);
438 break;
439 case 'c': /* critical time threshold */
440 if (strspn (optarg, "0123456789:,") < strlen (optarg)) {
441 printf ("Invalid critical threshold: %s\n", optarg);
442 print_usage ();
443 exit (STATE_UNKNOWN);
444 }
445 for (ptr = optarg, jj = 0; ptr && jj < MAX_OIDS; jj++) {
446 if (lu_getll (&lower_crit_lim[jj], ptr) == 1)
447 eval_method[jj] |= CRIT_LT;
448 if (lu_getul (&upper_crit_lim[jj], ptr) == 1)
449 eval_method[jj] |= CRIT_GT;
450 (ptr = index (ptr, ',')) ? ptr++ : ptr;
451 }
452 break;
453 case 'w': /* warning time threshold */
454 if (strspn (optarg, "0123456789:,") < strlen (optarg)) {
455 printf ("Invalid warning threshold: %s\n", optarg);
456 print_usage ();
457 exit (STATE_UNKNOWN);
458 }
459 for (ptr = optarg, jj = 0; ptr && jj < MAX_OIDS; jj++) {
460 if (lu_getll (&lower_warn_lim[jj], ptr) == 1)
461 eval_method[jj] |= WARN_LT;
462 if (lu_getul (&upper_warn_lim[jj], ptr) == 1)
463 eval_method[jj] |= WARN_GT;
464 (ptr = index (ptr, ',')) ? ptr++ : ptr;
465 }
466 break;
467 case 'H': /* Host or server */
468 server_address = strscpy (server_address, optarg);
469 break;
470 case 'C': /* group or community */
471 community = strscpy (community, optarg);
472 break;
473 case 'o': /* object identifier */
474 for (ptr = optarg; (ptr = index (ptr, ',')); ptr++)
475 ptr[0] = ' ';
476 strncpy (oid, optarg, sizeof (oid) - 1);
477 oid[sizeof (oid) - 1] = 0;
478 for (ptr = optarg, j = 1; (ptr = index (ptr, ' ')); ptr++)
479 j++;
480 break;
481 case 'd': /* delimiter */
482 delimiter = strscpy (delimiter, optarg);
483 break;
484 case 'D': /* output-delimiter */
485 output_delim = strscpy (output_delim, optarg);
486 break;
487 case 's': /* string or substring */
488 strncpy (string_value, optarg, sizeof (string_value) - 1);
489 string_value[sizeof (string_value) - 1] = 0;
490 eval_method[jj++] = CRIT_STRING;
491 break;
492 case 'R': /* regex */
493 #ifdef HAVE_REGEX_H
494 cflags = REG_ICASE;
495 #endif
496 case 'r': /* regex */
497 #ifdef HAVE_REGEX_H
498 cflags |= REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
499 strncpy (regex_expect, optarg, sizeof (regex_expect) - 1);
500 regex_expect[sizeof (regex_expect) - 1] = 0;
501 errcode = regcomp (&preg, regex_expect, cflags);
502 if (errcode != 0) {
503 regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER);
504 printf ("Could Not Compile Regular Expression");
505 return ERROR;
506 }
507 eval_method[jj++] = CRIT_REGEX;
508 #else
509 printf ("SNMP UNKNOWN: call for regex which was not a compiled option");
510 exit (STATE_UNKNOWN);
511 #endif
512 break;
513 case 'l': /* label */
514 label = optarg;
515 nlabels++;
516 if (nlabels >= labels_size) {
517 labels_size += 8;
518 labels = realloc (labels, labels_size);
519 if (labels == NULL)
520 terminate (STATE_UNKNOWN,
521 "Could not realloc() labels[%d]", nlabels);
522 }
523 labels[nlabels - 1] = optarg;
524 ptr = thisarg (optarg);
525 if (strstr (ptr, "'") == ptr)
526 labels[nlabels - 1] = ptr + 1;
527 else
528 labels[nlabels - 1] = ptr;
529 while (ptr && (ptr = nextarg (ptr))) {
530 if (nlabels >= labels_size) {
531 labels_size += 8;
532 labels = realloc (labels, labels_size);
533 if (labels == NULL)
534 terminate (STATE_UNKNOWN, "Could not realloc() labels\n");
535 }
536 labels++;
537 ptr = thisarg (ptr);
538 if (strstr (ptr, "'") == ptr)
539 labels[nlabels - 1] = ptr + 1;
540 else
541 labels[nlabels - 1] = ptr;
542 }
543 break;
544 case 'u': /* units */
545 units = optarg;
546 nunits++;
547 if (nunits >= unitv_size) {
548 unitv_size += 8;
549 unitv = realloc (unitv, unitv_size);
550 if (unitv == NULL)
551 terminate (STATE_UNKNOWN,
552 "Could not realloc() units [%d]\n", nunits);
553 }
554 unitv[nunits - 1] = optarg;
555 ptr = thisarg (optarg);
556 if (strstr (ptr, "'") == ptr)
557 unitv[nunits - 1] = ptr + 1;
558 else
559 unitv[nunits - 1] = ptr;
560 while (ptr && (ptr = nextarg (ptr))) {
561 if (nunits >= unitv_size) {
562 unitv_size += 8;
563 unitv = realloc (unitv, unitv_size);
564 if (units == NULL)
565 terminate (STATE_UNKNOWN, "Could not realloc() units\n");
566 }
567 nunits++;
568 ptr = thisarg (ptr);
569 if (strstr (ptr, "'") == ptr)
570 unitv[nunits - 1] = ptr + 1;
571 else
572 unitv[nunits - 1] = ptr;
573 }
574 break;
575 case 'p': /* TCP port number */
576 port = strscpy(port, optarg);
577 break;
579 }
580 }
581 return i;
582 }
584 void
585 print_usage (void)
586 {
587 printf
588 ("Usage: check_snmp -H <ip_address> -o <OID> [-w warn_range] [-c crit_range] \n"
589 " [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n"
590 " [-l label] [-u units] [-p port-number] [-d delimiter] [-D output-delimiter]\n"
591 " check_snmp --help\n" " check_snmp --version\n");
592 }
594 void
595 print_help (char *cmd)
596 {
597 printf ("Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)\n"
598 "License: GPL\n\n");
599 print_usage ();
600 printf
601 ("\nOptions:\n"
602 " -h, --help\n"
603 " Print detailed help screen\n"
604 " -V, --version\n"
605 " Print version information\n"
606 " -H, --hostname=HOST\n"
607 " Name or IP address of the device you wish to query\n"
608 " -o, --oid=OID(s)\n"
609 " Object identifier(s) whose value you wish to query\n"
610 " -w, --warning=INTEGER_RANGE(s)\n"
611 " Range(s) which will not result in a WARNING status\n"
612 " -c, --critical=INTEGER_RANGE(s)\n"
613 " Range(s) which will not result in a CRITICAL status\n"
614 " -C, --community=STRING\n"
615 " Optional community string for SNMP communication\n"
616 " (default is \"public\")\n"
617 " -u, --units=STRING\n"
618 " Units label(s) for output data (e.g., 'sec.').\n"
619 " -p, --port=STRING\n"
620 " UDP port number target is listening on.\n"
621 " -d, --delimiter=STRING\n"
622 " Delimiter to use when parsing returned data. Default is \"%s\"\n"
623 " Any data on the right hand side of the delimiter is considered\n"
624 " to be the data that should be used in the evaluation.\n"
625 " -t, --timeout=INTEGER\n"
626 " Seconds to wait before plugin times out (see also nagios server timeout)\n"
627 " -D, --output-delimiter=STRING\n"
628 " Separates output on multiple OID requests\n"
629 " -s, --string=STRING\n"
630 " Return OK state (for that OID) if STRING is an exact match\n"
631 " -r, --ereg=REGEX\n"
632 " Return OK state (for that OID) if extended regular expression REGEX matches\n"
633 " -R, --eregi=REGEX\n"
634 " Return OK state (for that OID) if case-insensitive extended REGEX matches\n"
635 " -l, --label=STRING\n"
636 " Prefix label for output from plugin (default -s 'SNMP')\n\n"
637 "- This plugin uses the 'snmpget' command included with the UCD-SNMP package.\n"
638 " If you don't have the package installed, you will need to download it from\n"
639 " http://ucd-snmp.ucdavis.edu before you can use this plugin.\n"
640 "- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n"
641 " internal spaces must be quoted)\n"
642 "- Ranges are inclusive and are indicated with colons. When specified as\n"
643 " 'min:max' a STATE_OK will be returned if the result is within the indicated\n"
644 " range or is equal to the upper or lower bound. A non-OK state will be\n"
645 " returned if the result is outside the specified range.\n"
646 "- If spcified in the order 'max:min' a non-OK state will be returned if the\n"
647 " result is within the (inclusive) range.\n"
648 "- Upper or lower bounds may be omitted to skip checking the respective limit.\n"
649 "- Bare integers are interpreted as upper limits.\n"
650 "- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n"
651 "- Note that only one string and one regex may be checked at present\n"
652 "- All evaluation methods other than PR, STR, and SUBSTR expect that the value\n"
653 " returned from the SNMP query is an unsigned integer.\n\n",
654 DEFAULT_DELIMITER);
655 }
657 char *
658 clarify_message (char *msg)
659 {
660 int i = 0;
661 int foo;
662 char tmpmsg_c[MAX_INPUT_BUFFER];
663 char *tmpmsg = (char *) &tmpmsg_c;
664 tmpmsg = strcpy (tmpmsg, msg);
665 if (!strncmp (tmpmsg, " Hex:", 5)) {
666 tmpmsg = strtok (tmpmsg, ":");
667 while ((tmpmsg = strtok (NULL, " "))) {
668 foo = strtol (tmpmsg, NULL, 16);
669 /* Translate chars that are not the same value in the printers
670 * character set.
671 */
672 switch (foo) {
673 case 208:
674 {
675 foo = 197;
676 break;
677 }
678 case 216:
679 {
680 foo = 196;
681 break;
682 }
683 }
684 msg[i] = foo;
685 i++;
686 }
687 msg[i] = 0;
688 }
689 return (msg);
690 }
693 int
694 check_num (int i)
695 {
696 int result;
697 result = STATE_OK;
698 if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT &&
699 lower_warn_lim[i] > upper_warn_lim[i]) {
700 if (response_value[i] <= lower_warn_lim[i] &&
701 response_value[i] >= upper_warn_lim[i]) {
702 result = STATE_WARNING;
703 }
704 }
705 else if
706 ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) ||
707 (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) ||
708 (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) ||
709 (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) ||
710 (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) ||
711 (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) {
712 result = STATE_WARNING;
713 }
715 if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT &&
716 lower_warn_lim[i] > upper_warn_lim[i]) {
717 if (response_value[i] <= lower_crit_lim[i] &&
718 response_value[i] >= upper_crit_lim[i]) {
719 result = STATE_CRITICAL;
720 }
721 }
722 else if
723 ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) ||
724 (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) ||
725 (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) ||
726 (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) ||
727 (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) ||
728 (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) {
729 result = STATE_CRITICAL;
730 }
732 return result;
733 }
736 int
737 lu_getll (unsigned long *ll, char *str)
738 {
739 char tmp[100];
740 if (strchr (str, ':') == NULL)
741 return 0;
742 if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':')))
743 return 0;
744 if (sscanf (str, "%lu%[:]", ll, tmp) == 2)
745 return 1;
746 return 0;
747 }
749 int
750 lu_getul (unsigned long *ul, char *str)
751 {
752 char tmp[100];
753 if (sscanf (str, "%lu%[^,]", ul, tmp) == 1)
754 return 1;
755 if (sscanf (str, ":%lu%[^,]", ul, tmp) == 1)
756 return 1;
757 if (sscanf (str, "%*u:%lu%[^,]", ul, tmp) == 1)
758 return 1;
759 return 0;
760 }
767 /* trim leading whitespace
768 if there is a leading quote, make sure it balances */
770 char *
771 thisarg (char *str)
772 {
773 str += strspn (str, " \t\r\n"); /* trim any leading whitespace */
774 if (strstr (str, "'") == str) { /* handle SIMPLE quoted strings */
775 if (strlen (str) == 1 || !strstr (str + 1, "'"))
776 terminate (STATE_UNKNOWN, "Unbalanced quotes\n");
777 }
778 return str;
779 }
782 /* if there's a leading quote, advance to the trailing quote
783 set the trailing quote to '\x0'
784 if the string continues, advance beyond the comma */
786 char *
787 nextarg (char *str)
788 {
789 if (strstr (str, "'") == str) {
790 if (strlen (str) > 1) {
791 str = strstr (str + 1, "'");
792 str[0] = 0;
793 return (++str);
794 }
795 else {
796 str[0] = 0;
797 return NULL;
798 }
799 }
800 if (strstr (str, ",") == str) {
801 if (strlen (str) > 1) {
802 str[0] = 0;
803 return (++str);
804 }
805 else {
806 str[0] = 0;
807 return NULL;
808 }
809 }
810 if ((str = strstr (str, ",")) && strlen (str) > 1) {
811 str[0] = 0;
812 return (++str);
813 }
814 return NULL;
815 }