1 /******************************************************************************
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.
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.
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.
17 ******************************************************************************/
19 const char *progname = "check_snmp";
20 const char *revision = "$Revision$";
21 const char *copyright = "1999-2003";
22 const char *email = "nagiosplug-devel@lists.sourceforge.net";
24 #include "common.h"
25 #include "utils.h"
26 #include "popen.h"
28 #define DEFAULT_COMMUNITY "public"
29 #define DEFAULT_PORT "161"
30 #define DEFAULT_MIBLIST "ALL"
31 #define DEFAULT_PROTOCOL "1"
32 #define DEFAULT_AUTH_PROTOCOL "MD5"
33 #define DEFAULT_DELIMITER "="
34 #define DEFAULT_OUTPUT_DELIMITER " "
36 #define mark(a) ((a)!=0?"*":"")
38 #define CHECK_UNDEF 0
39 #define CRIT_PRESENT 1
40 #define CRIT_STRING 2
41 #define CRIT_REGEX 4
42 #define CRIT_GT 8
43 #define CRIT_LT 16
44 #define CRIT_GE 32
45 #define CRIT_LE 64
46 #define CRIT_EQ 128
47 #define CRIT_NE 256
48 #define CRIT_RANGE 512
49 #define WARN_PRESENT 1024
50 #define WARN_STRING 2048
51 #define WARN_REGEX 4096
52 #define WARN_GT 8192
53 #define WARN_LT 16384
54 #define WARN_GE 32768
55 #define WARN_LE 65536
56 #define WARN_EQ 131072
57 #define WARN_NE 262144
58 #define WARN_RANGE 524288
60 #define MAX_OIDS 8
61 #define MAX_DELIM_LENGTH 8
63 int process_arguments (int, char **);
64 int validate_arguments (void);
65 char *clarify_message (char *);
66 int check_num (int);
67 int lu_getll (unsigned long *, char *);
68 int lu_getul (unsigned long *, char *);
69 char *thisarg (char *str);
70 char *nextarg (char *str);
71 void print_usage (void);
72 void print_help (void);
74 #ifdef HAVE_REGEX_H
75 #include <regex.h>
76 char regex_expect[MAX_INPUT_BUFFER] = "";
77 regex_t preg;
78 regmatch_t pmatch[10];
79 char timestamp[10] = "";
80 char errbuf[MAX_INPUT_BUFFER];
81 int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
82 int eflags = 0;
83 int errcode, excode;
84 #endif
86 char *server_address = NULL;
87 char *community = NULL;
88 char *authpriv = NULL;
89 char *proto = NULL;
90 char *seclevel = NULL;
91 char *secname = NULL;
92 char *authproto = NULL;
93 char *authpasswd = NULL;
94 char *privpasswd = NULL;
95 char *oid;
96 char *label;
97 char *units;
98 char *port;
99 char string_value[MAX_INPUT_BUFFER] = "";
100 char **labels = NULL;
101 char **unitv = NULL;
102 size_t nlabels = 0;
103 size_t labels_size = 8;
104 size_t nunits = 0;
105 size_t unitv_size = 8;
106 int verbose = FALSE;
107 unsigned long lower_warn_lim[MAX_OIDS];
108 unsigned long upper_warn_lim[MAX_OIDS];
109 unsigned long lower_crit_lim[MAX_OIDS];
110 unsigned long upper_crit_lim[MAX_OIDS];
111 unsigned long response_value[MAX_OIDS];
112 int check_warning_value = FALSE;
113 int check_critical_value = FALSE;
114 unsigned long eval_method[MAX_OIDS];
115 char *delimiter;
116 char *output_delim;
117 char *miblist;
123 \f
124 int
125 main (int argc, char **argv)
126 {
127 int i = 0;
128 int iresult = STATE_UNKNOWN;
129 int found = 0;
130 int result = STATE_DEPENDENT;
131 char input_buffer[MAX_INPUT_BUFFER];
132 char *command_line = NULL;
133 char *response = NULL;
134 char *outbuff;
135 char *output;
136 char *ptr = NULL;
137 char *p2 = NULL;
138 char *show = NULL;
140 setlocale (LC_ALL, "");
141 bindtextdomain (PACKAGE, LOCALEDIR);
142 textdomain (PACKAGE);
144 labels = malloc (labels_size);
145 unitv = malloc (unitv_size);
146 for (i = 0; i < MAX_OIDS; i++)
147 eval_method[i] = CHECK_UNDEF;
148 i = 0;
150 oid = strdup ("");
151 label = strdup ("SNMP");
152 units = strdup ("");
153 port = strdup (DEFAULT_PORT);
154 outbuff = strdup ("");
155 output = strdup ("");
156 delimiter = strdup (DEFAULT_DELIMITER);
157 output_delim = strdup (DEFAULT_OUTPUT_DELIMITER);
158 miblist = strdup (DEFAULT_MIBLIST);
160 if (process_arguments (argc, argv) == ERROR)
161 usage (_("Incorrect arguments supplied\n"));
163 /* create the command line to execute */
164 asprintf (&command_line, "%s -t 1 -r %d -m %s -v %s %s %s:%s %s",
165 PATH_TO_SNMPGET, timeout_interval - 1, miblist, proto,
166 authpriv, server_address, port, oid);
167 if (verbose)
168 printf ("%s\n", command_line);
170 /* run the command */
171 child_process = spopen (command_line);
172 if (child_process == NULL) {
173 printf (_("Could not open pipe: %s\n"), command_line);
174 exit (STATE_UNKNOWN);
175 }
177 child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
178 if (child_stderr == NULL) {
179 printf (_("Could not open stderr for %s\n"), command_line);
180 }
182 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process))
183 asprintf (&output, "%s%s", output, input_buffer);
185 if (verbose)
186 printf ("%s\n", output);
188 ptr = output;
190 while (ptr) {
192 ptr = strstr (ptr, delimiter);
193 if (ptr == NULL)
194 break;
196 ptr += strlen (delimiter);
197 ptr += strspn (ptr, " ");
199 found++;
201 if (ptr[0] == '"') {
202 ptr++;
203 response = strpcpy (response, ptr, "\"");
204 ptr = strpbrk (ptr, "\"");
205 ptr += strspn (ptr, "\"\n");
206 }
207 else {
208 response = strpcpy (response, ptr, "\n");
209 ptr = strpbrk (ptr, "\n");
210 ptr += strspn (ptr, "\n");
211 while
212 (strstr (ptr, delimiter) &&
213 strstr (ptr, "\n") && strstr (ptr, "\n") < strstr (ptr, delimiter)) {
214 response = strpcat (response, ptr, "\n");
215 ptr = strpbrk (ptr, "\n");
216 }
217 if (ptr && strstr (ptr, delimiter) == NULL) {
218 asprintf (&response, "%s%s", response, ptr);
219 ptr = NULL;
220 }
221 }
223 /* We strip out the datatype indicator for PHBs */
224 if (strstr (response, "Gauge: "))
225 show = strstr (response, "Gauge: ") + 7;
226 else if (strstr (response, "Gauge32: "))
227 show = strstr (response, "Gauge32: ") + 9;
228 else if (strstr (response, "Counter32: "))
229 show = strstr (response, "Counter32: ") + 11;
230 else if (strstr (response, "INTEGER: "))
231 show = strstr (response, "INTEGER: ") + 9;
232 else if (strstr (response, "STRING: "))
233 show = strstr (response, "STRING: ") + 8;
234 else
235 show = response;
236 p2 = show;
238 iresult = STATE_DEPENDENT;
240 /* Process this block for integer comparisons */
241 if (eval_method[i] & CRIT_GT ||
242 eval_method[i] & CRIT_LT ||
243 eval_method[i] & CRIT_GE ||
244 eval_method[i] & CRIT_LE ||
245 eval_method[i] & CRIT_EQ ||
246 eval_method[i] & CRIT_NE ||
247 eval_method[i] & WARN_GT ||
248 eval_method[i] & WARN_LT ||
249 eval_method[i] & WARN_GE ||
250 eval_method[i] & WARN_LE ||
251 eval_method[i] & WARN_EQ ||
252 eval_method[i] & WARN_NE) {
253 p2 = strpbrk (p2, "0123456789");
254 if (p2 == NULL)
255 die (STATE_UNKNOWN,"No valid data returned");
256 response_value[i] = strtoul (p2, NULL, 10);
257 iresult = check_num (i);
258 asprintf (&show, "%lu", response_value[i]);
259 }
261 /* Process this block for string matching */
262 else if (eval_method[i] & CRIT_STRING) {
263 if (strcmp (response, string_value))
264 iresult = STATE_CRITICAL;
265 else
266 iresult = STATE_OK;
267 }
269 /* Process this block for regex matching */
270 else if (eval_method[i] & CRIT_REGEX) {
271 #ifdef HAVE_REGEX_H
272 excode = regexec (&preg, response, 10, pmatch, eflags);
273 if (excode == 0) {
274 iresult = STATE_OK;
275 }
276 else if (excode != REG_NOMATCH) {
277 regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER);
278 printf (_("Execute Error: %s\n"), errbuf);
279 exit (STATE_CRITICAL);
280 }
281 else {
282 iresult = STATE_CRITICAL;
283 }
284 #else
285 printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label);
286 exit (STATE_UNKNOWN);
287 #endif
288 }
290 /* Process this block for existence-nonexistence checks */
291 else {
292 if (eval_method[i] & CRIT_PRESENT)
293 iresult = STATE_CRITICAL;
294 else if (eval_method[i] & WARN_PRESENT)
295 iresult = STATE_WARNING;
296 else if (response && iresult == STATE_DEPENDENT)
297 iresult = STATE_OK;
298 }
300 /* Result is the worst outcome of all the OIDs tested */
301 result = max_state (result, iresult);
303 /* Prepend a label for this OID if there is one */
304 if (nlabels > (size_t)1 && (size_t)i < nlabels && labels[i] != NULL)
305 asprintf (&outbuff, "%s%s%s %s%s%s", outbuff,
306 (i == 0) ? " " : output_delim,
307 labels[i], mark (iresult), show, mark (iresult));
308 else
309 asprintf (&outbuff, "%s%s%s%s%s", outbuff, (i == 0) ? " " : output_delim,
310 mark (iresult), show, mark (iresult));
312 /* Append a unit string for this OID if there is one */
313 if (nunits > (size_t)0 && (size_t)i < nunits && unitv[i] != NULL)
314 asprintf (&outbuff, "%s %s", outbuff, unitv[i]);
316 i++;
318 } /* end while (ptr) */
320 if (found == 0)
321 die (STATE_UNKNOWN,
322 _("%s problem - No data received from host\nCMD: %s\n"),
323 label,
324 command_line);
326 /* WARNING if output found on stderr */
327 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
328 result = max_state (result, STATE_WARNING);
330 /* close stderr */
331 (void) fclose (child_stderr);
333 /* close the pipe */
334 if (spclose (child_process))
335 result = max_state (result, STATE_WARNING);
337 /* if (nunits == 1 || i == 1) */
338 /* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */
339 /* else */
340 printf ("%s %s -%s\n", label, state_text (result), outbuff);
342 return result;
343 }
349 \f
350 /* process command-line arguments */
351 int
352 process_arguments (int argc, char **argv)
353 {
354 char *ptr;
355 int c = 1;
356 int j = 0, jj = 0, ii = 0;
358 int option = 0;
359 static struct option longopts[] = {
360 STD_LONG_OPTS,
361 {"community", required_argument, 0, 'C'},
362 {"oid", required_argument, 0, 'o'},
363 {"object", required_argument, 0, 'o'},
364 {"delimiter", required_argument, 0, 'd'},
365 {"output-delimiter", required_argument, 0, 'D'},
366 {"string", required_argument, 0, 's'},
367 {"regex", required_argument, 0, 'r'},
368 {"ereg", required_argument, 0, 'r'},
369 {"eregi", required_argument, 0, 'R'},
370 {"label", required_argument, 0, 'l'},
371 {"units", required_argument, 0, 'u'},
372 {"port", required_argument, 0, 'p'},
373 {"miblist", required_argument, 0, 'm'},
374 {"protocol", required_argument, 0, 'P'},
375 {"seclevel", required_argument, 0, 'L'},
376 {"secname", required_argument, 0, 'U'},
377 {"authproto", required_argument, 0, 'a'},
378 {"authpasswd", required_argument, 0, 'A'},
379 {"privpasswd", required_argument, 0, 'X'},
380 {0, 0, 0, 0}
381 };
383 if (argc < 2)
384 return ERROR;
386 /* reverse compatibility for very old non-POSIX usage forms */
387 for (c = 1; c < argc; c++) {
388 if (strcmp ("-to", argv[c]) == 0)
389 strcpy (argv[c], "-t");
390 if (strcmp ("-wv", argv[c]) == 0)
391 strcpy (argv[c], "-w");
392 if (strcmp ("-cv", argv[c]) == 0)
393 strcpy (argv[c], "-c");
394 }
396 while (1) {
397 c = getopt_long (argc, argv, "hvVt:c:w:H:C:o:e:E:d:D:s:R:r:l:u:p:m:P:L:U:a:A:X:",
398 longopts, &option);
400 if (c == -1 || c == EOF)
401 break;
403 switch (c) {
404 case '?': /* usage */
405 usage3 ("Unknown argument", optopt);
406 case 'h': /* help */
407 print_help ();
408 exit (STATE_OK);
409 case 'V': /* version */
410 print_revision (progname, revision);
411 exit (STATE_OK);
412 case 'v': /* verbose */
413 verbose = TRUE;
414 break;
416 /* Connection info */
417 case 'C': /* group or community */
418 community = optarg;
419 break;
420 case 'H': /* Host or server */
421 server_address = optarg;
422 break;
423 case 'p': /* TCP port number */
424 port = optarg;
425 break;
426 case 'm': /* List of MIBS */
427 miblist = optarg;
428 break;
429 case 'P': /* SNMP protocol version */
430 proto = optarg;
431 break;
432 case 'L': /* security level */
433 seclevel = optarg;
434 break;
435 case 'U': /* security username */
436 secname = optarg;
437 break;
438 case 'a': /* auth protocol */
439 authproto = optarg;
440 break;
441 case 'A': /* auth passwd */
442 authpasswd = optarg;
443 break;
444 case 'X': /* priv passwd */
445 privpasswd = optarg;
446 break;
447 case 't': /* timeout period */
448 if (!is_integer (optarg))
449 usage2 (_("Timeout Interval must be an integer"), optarg);
450 else
451 timeout_interval = atoi (optarg);
452 break;
454 /* Test parameters */
455 case 'c': /* critical time threshold */
456 if (strspn (optarg, "0123456789:,") < strlen (optarg))
457 usage2 (_("Invalid critical threshold: %s\n"), optarg);
458 for (ptr = optarg; ptr && jj < MAX_OIDS; jj++) {
459 if (lu_getll (&lower_crit_lim[jj], ptr) == 1)
460 eval_method[jj] |= CRIT_LT;
461 if (lu_getul (&upper_crit_lim[jj], ptr) == 1)
462 eval_method[jj] |= CRIT_GT;
463 (ptr = index (ptr, ',')) ? ptr++ : ptr;
464 }
465 break;
466 case 'w': /* warning time threshold */
467 if (strspn (optarg, "0123456789:,") < strlen (optarg))
468 usage2 (_("Invalid warning threshold: %s\n"), optarg);
469 for (ptr = optarg; ptr && ii < MAX_OIDS; ii++) {
470 if (lu_getll (&lower_warn_lim[ii], ptr) == 1)
471 eval_method[ii] |= WARN_LT;
472 if (lu_getul (&upper_warn_lim[ii], ptr) == 1)
473 eval_method[ii] |= WARN_GT;
474 (ptr = index (ptr, ',')) ? ptr++ : ptr;
475 }
476 break;
477 case 'o': /* object identifier */
478 case 'e': /* PRELIMINARY - may change */
479 case 'E': /* PRELIMINARY - may change */
480 for (ptr = optarg; (ptr = index (ptr, ',')); ptr++)
481 ptr[0] = ' '; /* relpace comma with space */
482 for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++)
483 j++; /* count OIDs */
484 asprintf (&oid, "%s %s", (oid?oid:""), optarg);
485 if (c == 'E' || c == 'e') {
486 jj++;
487 ii++;
488 }
489 if (c == 'E')
490 eval_method[j+1] |= WARN_PRESENT;
491 else if (c == 'e')
492 eval_method[j+1] |= CRIT_PRESENT;
493 break;
494 case 's': /* string or substring */
495 strncpy (string_value, optarg, sizeof (string_value) - 1);
496 string_value[sizeof (string_value) - 1] = 0;
497 eval_method[jj++] = CRIT_STRING;
498 ii++;
499 break;
500 case 'R': /* regex */
501 #ifdef HAVE_REGEX_H
502 cflags = REG_ICASE;
503 #endif
504 case 'r': /* regex */
505 #ifdef HAVE_REGEX_H
506 cflags |= REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
507 strncpy (regex_expect, optarg, sizeof (regex_expect) - 1);
508 regex_expect[sizeof (regex_expect) - 1] = 0;
509 errcode = regcomp (&preg, regex_expect, cflags);
510 if (errcode != 0) {
511 regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER);
512 printf (_("Could Not Compile Regular Expression"));
513 return ERROR;
514 }
515 eval_method[jj++] = CRIT_REGEX;
516 ii++;
517 #else
518 printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label);
519 exit (STATE_UNKNOWN);
520 #endif
521 break;
523 /* Format */
524 case 'd': /* delimiter */
525 delimiter = strscpy (delimiter, optarg);
526 break;
527 case 'D': /* output-delimiter */
528 output_delim = strscpy (output_delim, optarg);
529 break;
530 case 'l': /* label */
531 label = optarg;
532 nlabels++;
533 if (nlabels >= labels_size) {
534 labels_size += 8;
535 labels = realloc (labels, labels_size);
536 if (labels == NULL)
537 die (STATE_UNKNOWN,
538 _("Could not realloc() labels[%d]"), nlabels);
539 }
540 labels[nlabels - 1] = optarg;
541 ptr = thisarg (optarg);
542 labels[nlabels - 1] = ptr;
543 if (strstr (ptr, "'") == ptr)
544 labels[nlabels - 1] = ptr + 1;
545 while (ptr && (ptr = nextarg (ptr))) {
546 if (nlabels >= labels_size) {
547 labels_size += 8;
548 labels = realloc (labels, labels_size);
549 if (labels == NULL)
550 die (STATE_UNKNOWN, _("Could not realloc() labels\n"));
551 }
552 labels++;
553 ptr = thisarg (ptr);
554 if (strstr (ptr, "'") == ptr)
555 labels[nlabels - 1] = ptr + 1;
556 else
557 labels[nlabels - 1] = ptr;
558 }
559 break;
560 case 'u': /* units */
561 units = optarg;
562 nunits++;
563 if (nunits >= unitv_size) {
564 unitv_size += 8;
565 unitv = realloc (unitv, unitv_size);
566 if (unitv == NULL)
567 die (STATE_UNKNOWN,
568 _("Could not realloc() units [%d]\n"), nunits);
569 }
570 unitv[nunits - 1] = optarg;
571 ptr = thisarg (optarg);
572 unitv[nunits - 1] = ptr;
573 if (strstr (ptr, "'") == ptr)
574 unitv[nunits - 1] = ptr + 1;
575 while (ptr && (ptr = nextarg (ptr))) {
576 if (nunits >= unitv_size) {
577 unitv_size += 8;
578 unitv = realloc (unitv, unitv_size);
579 if (units == NULL)
580 die (STATE_UNKNOWN, _("Could not realloc() units\n"));
581 }
582 nunits++;
583 ptr = thisarg (ptr);
584 if (strstr (ptr, "'") == ptr)
585 unitv[nunits - 1] = ptr + 1;
586 else
587 unitv[nunits - 1] = ptr;
588 }
589 break;
591 }
592 }
594 if (server_address == NULL)
595 server_address = argv[optind];
597 if (community == NULL)
598 community = strdup (DEFAULT_COMMUNITY);
600 return validate_arguments ();
601 }
606 /******************************************************************************
608 @@-
609 <sect3>
610 <title>validate_arguments</title>
612 <para>&PROTO_validate_arguments;</para>
614 <para>Given a database name, this function returns TRUE if the string
615 is a valid PostgreSQL database name, and returns false if it is
616 not.</para>
618 <para>Valid PostgreSQL database names are less than &NAMEDATALEN;
619 characters long and consist of letters, numbers, and underscores. The
620 first character cannot be a number, however.</para>
622 </sect3>
623 -@@
624 ******************************************************************************/
626 int
627 validate_arguments ()
628 {
630 /* Need better checks to verify seclevel and authproto choices */
632 if (seclevel == NULL)
633 asprintf (&seclevel, "noAuthNoPriv");
636 if (authproto == NULL )
637 asprintf(&authproto, DEFAULT_AUTH_PROTOCOL);
641 if (proto == NULL || (strcmp(proto,DEFAULT_PROTOCOL) == 0) ) { /* default protocol version */
642 asprintf(&proto, DEFAULT_PROTOCOL);
643 asprintf(&authpriv, "%s%s", "-c ", community);
644 }
645 else if ( strcmp (proto, "3") == 0 ) { /* snmpv3 args */
646 asprintf(&proto, "%s", "3");
648 if ( (strcmp(seclevel, "noAuthNoPriv") == 0) || seclevel == NULL ) {
649 asprintf(&authpriv, "%s", "-l noAuthNoPriv" );
650 }
651 else if ( strcmp(seclevel, "authNoPriv") == 0 ) {
652 if ( secname == NULL || authpasswd == NULL) {
653 printf (_("Missing secname (%s) or authpassword (%s) ! \n)"),secname, authpasswd );
654 print_usage ();
655 exit (STATE_UNKNOWN);
656 }
657 asprintf(&authpriv, "-l authNoPriv -a %s -u %s -A %s ", authproto, secname, authpasswd);
658 }
659 else if ( strcmp(seclevel, "authPriv") == 0 ) {
660 if ( secname == NULL || authpasswd == NULL || privpasswd == NULL ) {
661 printf (("Missing secname (%s), authpassword (%s), or privpasswd (%s)! \n"),secname, authpasswd,privpasswd );
662 print_usage ();
663 exit (STATE_UNKNOWN);
664 }
665 asprintf(&authpriv, "-l authPriv -a %s -u %s -A %s -x DES -X %s ", authproto, secname, authpasswd, privpasswd);
666 }
669 }
670 else {
671 printf (_("Invalid SNMP version: %s\n"), proto);
672 print_usage ();
673 exit (STATE_UNKNOWN);
674 }
679 return OK;
680 }
686 \f
687 char *
688 clarify_message (char *msg)
689 {
690 int i = 0;
691 int foo;
692 char tmpmsg_c[MAX_INPUT_BUFFER];
693 char *tmpmsg = (char *) &tmpmsg_c;
694 tmpmsg = strcpy (tmpmsg, msg);
695 if (!strncmp (tmpmsg, " Hex:", 5)) {
696 tmpmsg = strtok (tmpmsg, ":");
697 while ((tmpmsg = strtok (NULL, " "))) {
698 foo = strtol (tmpmsg, NULL, 16);
699 /* Translate chars that are not the same value in the printers
700 * character set.
701 */
702 switch (foo) {
703 case 208:
704 {
705 foo = 197;
706 break;
707 }
708 case 216:
709 {
710 foo = 196;
711 break;
712 }
713 }
714 msg[i] = foo;
715 i++;
716 }
717 msg[i] = 0;
718 }
719 return (msg);
720 }
725 int
726 check_num (int i)
727 {
728 int result;
729 result = STATE_OK;
730 if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT &&
731 lower_warn_lim[i] > upper_warn_lim[i]) {
732 if (response_value[i] <= lower_warn_lim[i] &&
733 response_value[i] >= upper_warn_lim[i]) {
734 result = STATE_WARNING;
735 }
736 }
737 else if
738 ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) ||
739 (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) ||
740 (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) ||
741 (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) ||
742 (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) ||
743 (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) {
744 result = STATE_WARNING;
745 }
747 if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT &&
748 lower_crit_lim[i] > upper_crit_lim[i]) {
749 if (response_value[i] <= lower_crit_lim[i] &&
750 response_value[i] >= upper_crit_lim[i]) {
751 result = STATE_CRITICAL;
752 }
753 }
754 else if
755 ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) ||
756 (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) ||
757 (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) ||
758 (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) ||
759 (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) ||
760 (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) {
761 result = STATE_CRITICAL;
762 }
764 return result;
765 }
770 int
771 lu_getll (unsigned long *ll, char *str)
772 {
773 char tmp[100];
774 if (strchr (str, ':') == NULL)
775 return 0;
776 if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':')))
777 return 0;
778 if (sscanf (str, "%lu%[:]", ll, tmp) == 2)
779 return 1;
780 return 0;
781 }
786 int
787 lu_getul (unsigned long *ul, char *str)
788 {
789 char tmp[100];
790 if (sscanf (str, "%lu%[^,]", ul, tmp) == 1)
791 return 1;
792 if (sscanf (str, ":%lu%[^,]", ul, tmp) == 1)
793 return 1;
794 if (sscanf (str, "%*u:%lu%[^,]", ul, tmp) == 1)
795 return 1;
796 return 0;
797 }
802 /* trim leading whitespace
803 if there is a leading quote, make sure it balances */
805 char *
806 thisarg (char *str)
807 {
808 str += strspn (str, " \t\r\n"); /* trim any leading whitespace */
809 if (strstr (str, "'") == str) { /* handle SIMPLE quoted strings */
810 if (strlen (str) == 1 || !strstr (str + 1, "'"))
811 die (STATE_UNKNOWN, "Unbalanced quotes\n");
812 }
813 return str;
814 }
819 /* if there's a leading quote, advance to the trailing quote
820 set the trailing quote to '\x0'
821 if the string continues, advance beyond the comma */
823 char *
824 nextarg (char *str)
825 {
826 if (strstr (str, "'") == str) {
827 str[0] = 0;
828 if (strlen (str) > 1) {
829 str = strstr (str + 1, "'");
830 return (++str);
831 }
832 else {
833 return NULL;
834 }
835 }
836 if (strstr (str, ",") == str) {
837 str[0] = 0;
838 if (strlen (str) > 1) {
839 return (++str);
840 }
841 else {
842 return NULL;
843 }
844 }
845 if ((str = strstr (str, ",")) && strlen (str) > 1) {
846 str[0] = 0;
847 return (++str);
848 }
849 return NULL;
850 }
856 \f
857 void
858 print_help (void)
859 {
860 print_revision (progname, revision);
862 printf (_(COPYRIGHT), copyright, email);
864 printf (_("\
865 Check status of remote machines and obtain sustem information via SNMP\n\n"));
867 print_usage ();
869 printf (_(UT_HELP_VRSN));
871 printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
873 /* SNMP and Authentication Protocol */
874 printf (_("\
875 -P, --protocol=[1|3]\n\
876 SNMP protocol version\n\
877 -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\
878 SNMPv3 securityLevel\n\
879 -a, --authproto=[MD5|SHA]\n\
880 SNMPv3 auth proto\n"));
882 /* Authentication Tokens*/
883 printf (_("\
884 -C, --community=STRING\n\
885 Optional community string for SNMP communication\n\
886 (default is \"%s\")\n\
887 -U, --secname=USERNAME\n\
888 SNMPv3 username\n\
889 -A, --authpassword=PASSWORD\n\
890 SNMPv3 authentication password\n\
891 -X, --privpasswd=PASSWORD\n\
892 SNMPv3 crypt passwd (DES)\n"), DEFAULT_COMMUNITY);
894 /* OID Stuff */
895 printf (_("\
896 -o, --oid=OID(s)\n\
897 Object identifier(s) whose value you wish to query\n\
898 -m, --miblist=STRING\n\
899 List of MIBS to be loaded (default = ALL)\n -d, --delimiter=STRING\n\
900 Delimiter to use when parsing returned data. Default is \"%s\"\n\
901 Any data on the right hand side of the delimiter is considered\n\
902 to be the data that should be used in the evaluation.\n"), DEFAULT_DELIMITER);
904 /* Tests Against Integers */
905 printf (_("\
906 -w, --warning=INTEGER_RANGE(s)\n\
907 Range(s) which will not result in a WARNING status\n\
908 -c, --critical=INTEGER_RANGE(s)\n\
909 Range(s) which will not result in a CRITICAL status\n"));
911 /* Tests Against Strings */
912 printf (_("\
913 -s, --string=STRING\n\
914 Return OK state (for that OID) if STRING is an exact match\n\
915 -r, --ereg=REGEX\n\
916 Return OK state (for that OID) if extended regular expression REGEX matches\n\
917 -R, --eregi=REGEX\n\
918 Return OK state (for that OID) if case-insensitive extended REGEX matches\n\
919 -l, --label=STRING\n\
920 Prefix label for output from plugin (default -s 'SNMP')\n"));
922 /* Output Formatting */
923 printf (_("\
924 -u, --units=STRING\n\
925 Units label(s) for output data (e.g., 'sec.').\n\
926 -D, --output-delimiter=STRING\n\
927 Separates output on multiple OID requests\n"));
929 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
931 printf (_(UT_VERBOSE));
933 printf (_("\n\
934 - This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\
935 If you don't have the package installed, you will need to download it from\n\
936 http://net-snmp.sourceforge.net before you can use this plugin.\n"));
938 printf (_("\
939 - Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\
940 internal spaces must be quoted) [max 8 OIDs]\n"));
942 printf (_("\
943 - Ranges are inclusive and are indicated with colons. When specified as\n\
944 'min:max' a STATE_OK will be returned if the result is within the indicated\n\
945 range or is equal to the upper or lower bound. A non-OK state will be\n\
946 returned if the result is outside the specified range.\n"));
948 printf (_("\
949 - If specified in the order 'max:min' a non-OK state will be returned if the\n\
950 result is within the (inclusive) range.\n"));
952 printf (_("\
953 - Upper or lower bounds may be omitted to skip checking the respective limit.\n\
954 - Bare integers are interpreted as upper limits.\n\
955 - When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\
956 - Note that only one string and one regex may be checked at present\n\
957 - All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\
958 returned from the SNMP query is an unsigned integer.\n"));
960 printf (_(UT_SUPPORT));
961 }
963 void
964 print_usage (void)
965 {
966 printf (_("\
967 Usage: %s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range] \n\
968 [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\
969 [-l label] [-u units] [-p port-number] [-d delimiter]\n\
970 [-D output-delimiter] [-m miblist] [-P snmp version]\n\
971 [-L seclevel] [-U secname] [-a authproto] [-A authpasswd]\n\
972 [-X privpasswd]\n"), progname);
973 printf (_(UT_HLP_VRS), progname, progname);
974 }