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 int 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 labels = malloc (labels_size);
141 unitv = malloc (unitv_size);
142 for (i = 0; i < MAX_OIDS; i++)
143 eval_method[i] = CHECK_UNDEF;
144 i = 0;
146 oid = strdup ("");
147 label = strdup ("SNMP");
148 units = strdup ("");
149 port = strdup (DEFAULT_PORT);
150 outbuff = strdup ("");
151 output = strdup ("");
152 delimiter = strdup (DEFAULT_DELIMITER);
153 output_delim = strdup (DEFAULT_OUTPUT_DELIMITER);
154 miblist = strdup (DEFAULT_MIBLIST);
156 if (process_arguments (argc, argv) == ERROR)
157 usage (_("Incorrect arguments supplied\n"));
159 /* create the command line to execute */
160 asprintf (&command_line, "%s -t 1 -r %d -m %s -v %s %s %s:%s %s",
161 PATH_TO_SNMPGET, timeout_interval - 1, miblist, proto,
162 authpriv, server_address, port, oid);
163 if (verbose)
164 printf ("%s\n", command_line);
166 /* run the command */
167 child_process = spopen (command_line);
168 if (child_process == NULL) {
169 printf (_("Could not open pipe: %s\n"), command_line);
170 exit (STATE_UNKNOWN);
171 }
173 child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
174 if (child_stderr == NULL) {
175 printf (_("Could not open stderr for %s\n"), command_line);
176 }
178 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process))
179 asprintf (&output, "%s%s", output, input_buffer);
181 if (verbose)
182 printf ("%s\n", output);
184 ptr = output;
186 while (ptr) {
188 ptr = strstr (ptr, delimiter);
189 if (ptr == NULL)
190 break;
192 ptr += strlen (delimiter);
193 ptr += strspn (ptr, " ");
195 found++;
197 if (ptr[0] == '"') {
198 ptr++;
199 response = strpcpy (response, ptr, "\"");
200 ptr = strpbrk (ptr, "\"");
201 ptr += strspn (ptr, "\"\n");
202 }
203 else {
204 response = strpcpy (response, ptr, "\n");
205 ptr = strpbrk (ptr, "\n");
206 ptr += strspn (ptr, "\n");
207 while
208 (strstr (ptr, delimiter) &&
209 strstr (ptr, "\n") && strstr (ptr, "\n") < strstr (ptr, delimiter)) {
210 response = strpcat (response, ptr, "\n");
211 ptr = strpbrk (ptr, "\n");
212 }
213 if (ptr && strstr (ptr, delimiter) == NULL) {
214 asprintf (&response, "%s%s", response, ptr);
215 ptr = NULL;
216 }
217 }
219 /* We strip out the datatype indicator for PHBs */
220 if (strstr (response, "Gauge: "))
221 show = strstr (response, "Gauge: ") + 7;
222 else if (strstr (response, "Gauge32: "))
223 show = strstr (response, "Gauge32: ") + 9;
224 else if (strstr (response, "Counter32: "))
225 show = strstr (response, "Counter32: ") + 11;
226 else if (strstr (response, "INTEGER: "))
227 show = strstr (response, "INTEGER: ") + 9;
228 else if (strstr (response, "STRING: "))
229 show = strstr (response, "STRING: ") + 8;
230 else
231 show = response;
232 p2 = show;
234 iresult = STATE_DEPENDENT;
236 /* Process this block for integer comparisons */
237 if (eval_method[i] & CRIT_GT ||
238 eval_method[i] & CRIT_LT ||
239 eval_method[i] & CRIT_GE ||
240 eval_method[i] & CRIT_LE ||
241 eval_method[i] & CRIT_EQ ||
242 eval_method[i] & CRIT_NE ||
243 eval_method[i] & WARN_GT ||
244 eval_method[i] & WARN_LT ||
245 eval_method[i] & WARN_GE ||
246 eval_method[i] & WARN_LE ||
247 eval_method[i] & WARN_EQ ||
248 eval_method[i] & WARN_NE) {
249 p2 = strpbrk (p2, "0123456789");
250 if (p2 == NULL)
251 die (STATE_UNKNOWN,"No valid data returned");
252 response_value[i] = strtoul (p2, NULL, 10);
253 iresult = check_num (i);
254 asprintf (&show, "%lu", response_value[i]);
255 }
257 /* Process this block for string matching */
258 else if (eval_method[i] & CRIT_STRING) {
259 if (strcmp (response, string_value))
260 iresult = STATE_CRITICAL;
261 else
262 iresult = STATE_OK;
263 }
265 /* Process this block for regex matching */
266 else if (eval_method[i] & CRIT_REGEX) {
267 #ifdef HAVE_REGEX_H
268 excode = regexec (&preg, response, 10, pmatch, eflags);
269 if (excode == 0) {
270 iresult = STATE_OK;
271 }
272 else if (excode != REG_NOMATCH) {
273 regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER);
274 printf (_("Execute Error: %s\n"), errbuf);
275 exit (STATE_CRITICAL);
276 }
277 else {
278 iresult = STATE_CRITICAL;
279 }
280 #else
281 printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label);
282 exit (STATE_UNKNOWN);
283 #endif
284 }
286 /* Process this block for existence-nonexistence checks */
287 else {
288 if (eval_method[i] & CRIT_PRESENT)
289 iresult = STATE_CRITICAL;
290 else if (eval_method[i] & WARN_PRESENT)
291 iresult = STATE_WARNING;
292 else if (response && iresult == STATE_DEPENDENT)
293 iresult = STATE_OK;
294 }
296 /* Result is the worst outcome of all the OIDs tested */
297 result = max_state (result, iresult);
299 /* Prepend a label for this OID if there is one */
300 if (nlabels > (size_t)1 && (size_t)i < nlabels && labels[i] != NULL)
301 asprintf (&outbuff, "%s%s%s %s%s%s", outbuff,
302 (i == 0) ? " " : output_delim,
303 labels[i], mark (iresult), show, mark (iresult));
304 else
305 asprintf (&outbuff, "%s%s%s%s%s", outbuff, (i == 0) ? " " : output_delim,
306 mark (iresult), show, mark (iresult));
308 /* Append a unit string for this OID if there is one */
309 if (nunits > (size_t)0 && (size_t)i < nunits && unitv[i] != NULL)
310 asprintf (&outbuff, "%s %s", outbuff, unitv[i]);
312 i++;
314 } /* end while (ptr) */
316 if (found == 0)
317 die (STATE_UNKNOWN,
318 _("%s problem - No data recieved from host\nCMD: %s\n"),
319 label,
320 command_line);
322 /* WARNING if output found on stderr */
323 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
324 result = max_state (result, STATE_WARNING);
326 /* close stderr */
327 (void) fclose (child_stderr);
329 /* close the pipe */
330 if (spclose (child_process))
331 result = max_state (result, STATE_WARNING);
333 /* if (nunits == 1 || i == 1) */
334 /* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */
335 /* else */
336 printf ("%s %s -%s\n", label, state_text (result), outbuff);
338 return result;
339 }
345 \f
346 /* process command-line arguments */
347 int
348 process_arguments (int argc, char **argv)
349 {
350 char *ptr;
351 int c = 1;
352 int j = 0, jj = 0, ii = 0;
354 int option = 0;
355 static struct option longopts[] = {
356 STD_LONG_OPTS,
357 {"community", required_argument, 0, 'C'},
358 {"oid", required_argument, 0, 'o'},
359 {"object", required_argument, 0, 'o'},
360 {"delimiter", required_argument, 0, 'd'},
361 {"output-delimiter", required_argument, 0, 'D'},
362 {"string", required_argument, 0, 's'},
363 {"regex", required_argument, 0, 'r'},
364 {"ereg", required_argument, 0, 'r'},
365 {"eregi", required_argument, 0, 'R'},
366 {"label", required_argument, 0, 'l'},
367 {"units", required_argument, 0, 'u'},
368 {"port", required_argument, 0, 'p'},
369 {"miblist", required_argument, 0, 'm'},
370 {"protocol", required_argument, 0, 'P'},
371 {"seclevel", required_argument, 0, 'L'},
372 {"secname", required_argument, 0, 'U'},
373 {"authproto", required_argument, 0, 'a'},
374 {"authpasswd", required_argument, 0, 'A'},
375 {"privpasswd", required_argument, 0, 'X'},
376 {0, 0, 0, 0}
377 };
379 if (argc < 2)
380 return ERROR;
382 /* reverse compatibility for very old non-POSIX usage forms */
383 for (c = 1; c < argc; c++) {
384 if (strcmp ("-to", argv[c]) == 0)
385 strcpy (argv[c], "-t");
386 if (strcmp ("-wv", argv[c]) == 0)
387 strcpy (argv[c], "-w");
388 if (strcmp ("-cv", argv[c]) == 0)
389 strcpy (argv[c], "-c");
390 }
392 while (1) {
393 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:",
394 longopts, &option);
396 if (c == -1 || c == EOF)
397 break;
399 switch (c) {
400 case '?': /* usage */
401 usage3 ("Unknown argument", optopt);
402 case 'h': /* help */
403 print_help ();
404 exit (STATE_OK);
405 case 'V': /* version */
406 print_revision (progname, revision);
407 exit (STATE_OK);
408 case 'v': /* verbose */
409 verbose = TRUE;
410 break;
412 /* Connection info */
413 case 'C': /* group or community */
414 community = optarg;
415 break;
416 case 'H': /* Host or server */
417 server_address = optarg;
418 break;
419 case 'p': /* TCP port number */
420 port = optarg;
421 break;
422 case 'm': /* List of MIBS */
423 miblist = optarg;
424 break;
425 case 'P': /* SNMP protocol version */
426 proto = optarg;
427 break;
428 case 'L': /* security level */
429 seclevel = optarg;
430 break;
431 case 'U': /* security username */
432 secname = optarg;
433 break;
434 case 'a': /* auth protocol */
435 authproto = optarg;
436 break;
437 case 'A': /* auth passwd */
438 authpasswd = optarg;
439 break;
440 case 'X': /* priv passwd */
441 privpasswd = optarg;
442 break;
443 case 't': /* timeout period */
444 if (!is_integer (optarg))
445 usage2 (_("Timeout Interval must be an integer"), optarg);
446 timeout_interval = atoi (optarg);
447 break;
449 /* Test parameters */
450 case 'c': /* critical time threshold */
451 if (strspn (optarg, "0123456789:,") < strlen (optarg)) {
452 printf (_("Invalid critical threshold: %s\n"), optarg);
453 print_usage ();
454 exit (STATE_UNKNOWN);
455 }
456 for (ptr = optarg; ptr && jj < MAX_OIDS; jj++) {
457 if (lu_getll (&lower_crit_lim[jj], ptr) == 1)
458 eval_method[jj] |= CRIT_LT;
459 if (lu_getul (&upper_crit_lim[jj], ptr) == 1)
460 eval_method[jj] |= CRIT_GT;
461 (ptr = index (ptr, ',')) ? ptr++ : ptr;
462 }
463 break;
464 case 'w': /* warning time threshold */
465 if (strspn (optarg, "0123456789:,") < strlen (optarg)) {
466 printf (_("Invalid warning threshold: %s\n"), optarg);
467 print_usage ();
468 exit (STATE_UNKNOWN);
469 }
470 for (ptr = optarg; ptr && ii < MAX_OIDS; ii++) {
471 if (lu_getll (&lower_warn_lim[ii], ptr) == 1)
472 eval_method[ii] |= WARN_LT;
473 if (lu_getul (&upper_warn_lim[ii], ptr) == 1)
474 eval_method[ii] |= WARN_GT;
475 (ptr = index (ptr, ',')) ? ptr++ : ptr;
476 }
477 break;
478 case 'o': /* object identifier */
479 case 'e': /* PRELIMINARY - may change */
480 case 'E': /* PRELIMINARY - may change */
481 for (ptr = optarg; (ptr = index (ptr, ',')); ptr++)
482 ptr[0] = ' '; /* relpace comma with space */
483 for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++)
484 j++; /* count OIDs */
485 asprintf (&oid, "%s %s", (oid?oid:""), optarg);
486 if (c == 'E' || c == 'e') {
487 jj++;
488 ii++;
489 }
490 if (c == 'E')
491 eval_method[j+1] |= WARN_PRESENT;
492 else if (c == 'e')
493 eval_method[j+1] |= CRIT_PRESENT;
494 break;
495 case 's': /* string or substring */
496 strncpy (string_value, optarg, sizeof (string_value) - 1);
497 string_value[sizeof (string_value) - 1] = 0;
498 eval_method[jj++] = CRIT_STRING;
499 ii++;
500 break;
501 case 'R': /* regex */
502 #ifdef HAVE_REGEX_H
503 cflags = REG_ICASE;
504 #endif
505 case 'r': /* regex */
506 #ifdef HAVE_REGEX_H
507 cflags |= REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
508 strncpy (regex_expect, optarg, sizeof (regex_expect) - 1);
509 regex_expect[sizeof (regex_expect) - 1] = 0;
510 errcode = regcomp (&preg, regex_expect, cflags);
511 if (errcode != 0) {
512 regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER);
513 printf (_("Could Not Compile Regular Expression"));
514 return ERROR;
515 }
516 eval_method[jj++] = CRIT_REGEX;
517 ii++;
518 #else
519 printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label);
520 exit (STATE_UNKNOWN);
521 #endif
522 break;
524 /* Format */
525 case 'd': /* delimiter */
526 delimiter = strscpy (delimiter, optarg);
527 break;
528 case 'D': /* output-delimiter */
529 output_delim = strscpy (output_delim, optarg);
530 break;
531 case 'l': /* label */
532 label = optarg;
533 nlabels++;
534 if (nlabels >= labels_size) {
535 labels_size += 8;
536 labels = realloc (labels, labels_size);
537 if (labels == NULL)
538 die (STATE_UNKNOWN,
539 _("Could not realloc() labels[%d]"), nlabels);
540 }
541 labels[nlabels - 1] = optarg;
542 ptr = thisarg (optarg);
543 if (strstr (ptr, "'") == ptr)
544 labels[nlabels - 1] = ptr + 1;
545 else
546 labels[nlabels - 1] = ptr;
547 while (ptr && (ptr = nextarg (ptr))) {
548 if (nlabels >= labels_size) {
549 labels_size += 8;
550 labels = realloc (labels, labels_size);
551 if (labels == NULL)
552 die (STATE_UNKNOWN, _("Could not realloc() labels\n"));
553 }
554 labels++;
555 ptr = thisarg (ptr);
556 if (strstr (ptr, "'") == ptr)
557 labels[nlabels - 1] = ptr + 1;
558 else
559 labels[nlabels - 1] = ptr;
560 }
561 break;
562 case 'u': /* units */
563 units = optarg;
564 nunits++;
565 if (nunits >= unitv_size) {
566 unitv_size += 8;
567 unitv = realloc (unitv, unitv_size);
568 if (unitv == NULL)
569 die (STATE_UNKNOWN,
570 _("Could not realloc() units [%d]\n"), nunits);
571 }
572 unitv[nunits - 1] = optarg;
573 ptr = thisarg (optarg);
574 if (strstr (ptr, "'") == ptr)
575 unitv[nunits - 1] = ptr + 1;
576 else
577 unitv[nunits - 1] = ptr;
578 while (ptr && (ptr = nextarg (ptr))) {
579 if (nunits >= unitv_size) {
580 unitv_size += 8;
581 unitv = realloc (unitv, unitv_size);
582 if (units == NULL)
583 die (STATE_UNKNOWN, _("Could not realloc() units\n"));
584 }
585 nunits++;
586 ptr = thisarg (ptr);
587 if (strstr (ptr, "'") == ptr)
588 unitv[nunits - 1] = ptr + 1;
589 else
590 unitv[nunits - 1] = ptr;
591 }
592 break;
594 }
595 }
597 if (server_address == NULL)
598 server_address = argv[optind];
600 if (community == NULL)
601 community = strdup (DEFAULT_COMMUNITY);
603 return validate_arguments ();
604 }
609 /******************************************************************************
611 @@-
612 <sect3>
613 <title>validate_arguments</title>
615 <para>&PROTO_validate_arguments;</para>
617 <para>Given a database name, this function returns TRUE if the string
618 is a valid PostgreSQL database name, and returns false if it is
619 not.</para>
621 <para>Valid PostgreSQL database names are less than &NAMEDATALEN;
622 characters long and consist of letters, numbers, and underscores. The
623 first character cannot be a number, however.</para>
625 </sect3>
626 -@@
627 ******************************************************************************/
629 int
630 validate_arguments ()
631 {
633 /* Need better checks to verify seclevel and authproto choices */
635 if (seclevel == NULL)
636 asprintf (&seclevel, "noAuthNoPriv");
639 if (authproto == NULL )
640 asprintf(&authproto, DEFAULT_AUTH_PROTOCOL);
644 if (proto == NULL || (strcmp(proto,DEFAULT_PROTOCOL) == 0) ) { /* default protocol version */
645 asprintf(&proto, DEFAULT_PROTOCOL);
646 asprintf(&authpriv, "%s%s", "-c ", community);
647 }
648 else if ( strcmp (proto, "3") == 0 ) { /* snmpv3 args */
649 asprintf(&proto, "%s", "3");
651 if ( (strcmp(seclevel, "noAuthNoPriv") == 0) || seclevel == NULL ) {
652 asprintf(&authpriv, "%s", "-l noAuthNoPriv" );
653 }
654 else if ( strcmp(seclevel, "authNoPriv") == 0 ) {
655 if ( secname == NULL || authpasswd == NULL) {
656 printf (_("Missing secname (%s) or authpassword (%s) ! \n)"),secname, authpasswd );
657 print_usage ();
658 exit (STATE_UNKNOWN);
659 }
660 asprintf(&authpriv, "-l authNoPriv -a %s -u %s -A %s ", authproto, secname, authpasswd);
661 }
662 else if ( strcmp(seclevel, "authPriv") == 0 ) {
663 if ( secname == NULL || authpasswd == NULL || privpasswd == NULL ) {
664 printf (("Missing secname (%s), authpassword (%s), or privpasswd (%s)! \n"),secname, authpasswd,privpasswd );
665 print_usage ();
666 exit (STATE_UNKNOWN);
667 }
668 asprintf(&authpriv, "-l authPriv -a %s -u %s -A %s -x DES -X %s ", authproto, secname, authpasswd, privpasswd);
669 }
672 }
673 else {
674 printf (_("Invalid SNMP version: %s\n"), proto);
675 print_usage ();
676 exit (STATE_UNKNOWN);
677 }
682 return OK;
683 }
689 \f
690 char *
691 clarify_message (char *msg)
692 {
693 int i = 0;
694 int foo;
695 char tmpmsg_c[MAX_INPUT_BUFFER];
696 char *tmpmsg = (char *) &tmpmsg_c;
697 tmpmsg = strcpy (tmpmsg, msg);
698 if (!strncmp (tmpmsg, " Hex:", 5)) {
699 tmpmsg = strtok (tmpmsg, ":");
700 while ((tmpmsg = strtok (NULL, " "))) {
701 foo = strtol (tmpmsg, NULL, 16);
702 /* Translate chars that are not the same value in the printers
703 * character set.
704 */
705 switch (foo) {
706 case 208:
707 {
708 foo = 197;
709 break;
710 }
711 case 216:
712 {
713 foo = 196;
714 break;
715 }
716 }
717 msg[i] = foo;
718 i++;
719 }
720 msg[i] = 0;
721 }
722 return (msg);
723 }
728 int
729 check_num (int i)
730 {
731 int result;
732 result = STATE_OK;
733 if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT &&
734 lower_warn_lim[i] > upper_warn_lim[i]) {
735 if (response_value[i] <= lower_warn_lim[i] &&
736 response_value[i] >= upper_warn_lim[i]) {
737 result = STATE_WARNING;
738 }
739 }
740 else if
741 ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) ||
742 (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) ||
743 (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) ||
744 (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) ||
745 (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) ||
746 (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) {
747 result = STATE_WARNING;
748 }
750 if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT &&
751 lower_warn_lim[i] > upper_warn_lim[i]) {
752 if (response_value[i] <= lower_crit_lim[i] &&
753 response_value[i] >= upper_crit_lim[i]) {
754 result = STATE_CRITICAL;
755 }
756 }
757 else if
758 ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) ||
759 (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) ||
760 (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) ||
761 (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) ||
762 (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) ||
763 (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) {
764 result = STATE_CRITICAL;
765 }
767 return result;
768 }
773 int
774 lu_getll (unsigned long *ll, char *str)
775 {
776 char tmp[100];
777 if (strchr (str, ':') == NULL)
778 return 0;
779 if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':')))
780 return 0;
781 if (sscanf (str, "%lu%[:]", ll, tmp) == 2)
782 return 1;
783 return 0;
784 }
789 int
790 lu_getul (unsigned long *ul, char *str)
791 {
792 char tmp[100];
793 if (sscanf (str, "%lu%[^,]", ul, tmp) == 1)
794 return 1;
795 if (sscanf (str, ":%lu%[^,]", ul, tmp) == 1)
796 return 1;
797 if (sscanf (str, "%*u:%lu%[^,]", ul, tmp) == 1)
798 return 1;
799 return 0;
800 }
805 /* trim leading whitespace
806 if there is a leading quote, make sure it balances */
808 char *
809 thisarg (char *str)
810 {
811 str += strspn (str, " \t\r\n"); /* trim any leading whitespace */
812 if (strstr (str, "'") == str) { /* handle SIMPLE quoted strings */
813 if (strlen (str) == 1 || !strstr (str + 1, "'"))
814 die (STATE_UNKNOWN, "Unbalanced quotes\n");
815 }
816 return str;
817 }
822 /* if there's a leading quote, advance to the trailing quote
823 set the trailing quote to '\x0'
824 if the string continues, advance beyond the comma */
826 char *
827 nextarg (char *str)
828 {
829 if (strstr (str, "'") == str) {
830 if (strlen (str) > 1) {
831 str = strstr (str + 1, "'");
832 str[0] = 0;
833 return (++str);
834 }
835 else {
836 str[0] = 0;
837 return NULL;
838 }
839 }
840 if (strstr (str, ",") == str) {
841 if (strlen (str) > 1) {
842 str[0] = 0;
843 return (++str);
844 }
845 else {
846 str[0] = 0;
847 return NULL;
848 }
849 }
850 if ((str = strstr (str, ",")) && strlen (str) > 1) {
851 str[0] = 0;
852 return (++str);
853 }
854 return NULL;
855 }
861 \f
862 void
863 print_help (void)
864 {
865 print_revision (progname, revision);
867 printf (_(COPYRIGHT), copyright, email);
869 printf (_("\
870 Check status of remote machines and obtain sustem information via SNMP\n\n"));
872 print_usage ();
874 printf (_(UT_HELP_VRSN));
876 printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
878 /* SNMP and Authentication Protocol */
879 printf (_("\
880 -P, --protocol=[1|3]\n\
881 SNMP protocol version\n\
882 -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\
883 SNMPv3 securityLevel\n\
884 -a, --authproto=[MD5|SHA]\n\
885 SNMPv3 auth proto\n"));
887 /* Authentication Tokens*/
888 printf (_("\
889 -C, --community=STRING\n\
890 Optional community string for SNMP communication\n\
891 (default is \"%s\")\n\
892 -U, --secname=USERNAME\n\
893 SNMPv3 username\n\
894 -A, --authpassword=PASSWORD\n\
895 SNMPv3 authentication password\n\
896 -X, --privpasswd=PASSWORD\n\
897 SNMPv3 crypt passwd (DES)\n"), DEFAULT_COMMUNITY);
899 /* OID Stuff */
900 printf (_("\
901 -o, --oid=OID(s)\n\
902 Object identifier(s) whose value you wish to query\n\
903 -m, --miblist=STRING\n\
904 List of MIBS to be loaded (default = ALL)\n -d, --delimiter=STRING\n\
905 Delimiter to use when parsing returned data. Default is \"%s\"\n\
906 Any data on the right hand side of the delimiter is considered\n\
907 to be the data that should be used in the evaluation.\n"), DEFAULT_DELIMITER);
909 /* Tests Against Integers */
910 printf (_("\
911 -w, --warning=INTEGER_RANGE(s)\n\
912 Range(s) which will not result in a WARNING status\n\
913 -c, --critical=INTEGER_RANGE(s)\n\
914 Range(s) which will not result in a CRITICAL status\n"));
916 /* Tests Against Strings */
917 printf (_("\
918 -s, --string=STRING\n\
919 Return OK state (for that OID) if STRING is an exact match\n\
920 -r, --ereg=REGEX\n\
921 Return OK state (for that OID) if extended regular expression REGEX matches\n\
922 -R, --eregi=REGEX\n\
923 Return OK state (for that OID) if case-insensitive extended REGEX matches\n\
924 -l, --label=STRING\n\
925 Prefix label for output from plugin (default -s 'SNMP')\n"));
927 /* Output Formatting */
928 printf (_("\
929 -u, --units=STRING\n\
930 Units label(s) for output data (e.g., 'sec.').\n\
931 -D, --output-delimiter=STRING\n\
932 Separates output on multiple OID requests\n"));
934 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
936 printf (_(UT_VERBOSE));
938 printf (_("\n\
939 - This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\
940 If you don't have the package installed, you will need to download it from\n\
941 http://net-snmp.sourceforge.net before you can use this plugin.\n"));
943 printf (_("\
944 - Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\
945 internal spaces must be quoted) [max 8 OIDs]\n"));
947 printf (_("\
948 - Ranges are inclusive and are indicated with colons. When specified as\n\
949 'min:max' a STATE_OK will be returned if the result is within the indicated\n\
950 range or is equal to the upper or lower bound. A non-OK state will be\n\
951 returned if the result is outside the specified range.\n"));
953 printf (_("\
954 - If specified in the order 'max:min' a non-OK state will be returned if the\n\
955 result is within the (inclusive) range.\n"));
957 printf (_("\
958 - Upper or lower bounds may be omitted to skip checking the respective limit.\n\
959 - Bare integers are interpreted as upper limits.\n\
960 - When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\
961 - Note that only one string and one regex may be checked at present\n\
962 - All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\
963 returned from the SNMP query is an unsigned integer.\n"));
965 printf (_(UT_SUPPORT));
966 }
968 void
969 print_usage (void)
970 {
971 printf (_("\
972 Usage: %s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range] \n\
973 [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\
974 [-l label] [-u units] [-p port-number] [-d delimiter]\n\
975 [-D output-delimiter] [-m miblist] [-P snmp version]\n\
976 [-L seclevel] [-U secname] [-a authproto] [-A authpasswd]\n\
977 [-X privpasswd]\n"), progname);
978 printf (_(UT_HLP_VRS), progname, progname);
979 }