d9e007820739c28b53b4d2873a6d832405e0eeec
1 /******************************************************************************
2 *
3 * Nagios check_snmp plugin
4 *
5 * License: GPL
6 * Copyright (c) 1999-2006 nagios-plugins team
7 *
8 * Last Modified: $Date$
9 *
10 * Description:
11 *
12 * This file contains the check_snmp plugin
13 *
14 * Check status of remote machines and obtain sustem information via SNMP
15 *
16 *
17 * License Information:
18 *
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 *
33 * $Id$
34 *
35 ******************************************************************************/
37 const char *progname = "check_snmp";
38 const char *revision = "$Revision$";
39 const char *copyright = "1999-2006";
40 const char *email = "nagiosplug-devel@lists.sourceforge.net";
42 #include "common.h"
43 #include "utils.h"
44 #include "popen.h"
46 #define DEFAULT_COMMUNITY "public"
47 #define DEFAULT_PORT "161"
48 #define DEFAULT_MIBLIST "ALL"
49 #define DEFAULT_PROTOCOL "1"
50 #define DEFAULT_TIMEOUT 1
51 #define DEFAULT_RETRIES 5
52 #define DEFAULT_AUTH_PROTOCOL "MD5"
53 #define DEFAULT_DELIMITER "="
54 #define DEFAULT_OUTPUT_DELIMITER " "
56 #define mark(a) ((a)!=0?"*":"")
58 #define CHECK_UNDEF 0
59 #define CRIT_PRESENT 1
60 #define CRIT_STRING 2
61 #define CRIT_REGEX 4
62 #define CRIT_GT 8
63 #define CRIT_LT 16
64 #define CRIT_GE 32
65 #define CRIT_LE 64
66 #define CRIT_EQ 128
67 #define CRIT_NE 256
68 #define CRIT_RANGE 512
69 #define WARN_PRESENT 1024
70 #define WARN_STRING 2048
71 #define WARN_REGEX 4096
72 #define WARN_GT 8192
73 #define WARN_LT 16384
74 #define WARN_GE 32768
75 #define WARN_LE 65536
76 #define WARN_EQ 131072
77 #define WARN_NE 262144
78 #define WARN_RANGE 524288
80 #define MAX_OIDS 8
81 #define MAX_DELIM_LENGTH 8
83 int process_arguments (int, char **);
84 int validate_arguments (void);
85 char *clarify_message (char *);
86 int check_num (int);
87 int lu_getll (unsigned long *, char *);
88 int lu_getul (unsigned long *, char *);
89 char *thisarg (char *str);
90 char *nextarg (char *str);
91 void print_usage (void);
92 void print_help (void);
94 #include "regex.h"
95 char regex_expect[MAX_INPUT_BUFFER] = "";
96 regex_t preg;
97 regmatch_t pmatch[10];
98 char timestamp[10] = "";
99 char errbuf[MAX_INPUT_BUFFER] = "";
100 char perfstr[MAX_INPUT_BUFFER] = "";
101 int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
102 int eflags = 0;
103 int errcode, excode;
105 char *server_address = NULL;
106 char *community = NULL;
107 char *authpriv = NULL;
108 char *proto = NULL;
109 char *seclevel = NULL;
110 char *secname = NULL;
111 char *authproto = NULL;
112 char *authpasswd = NULL;
113 char *privpasswd = NULL;
114 char *oid;
115 char *label;
116 char *units;
117 char *port;
118 char string_value[MAX_INPUT_BUFFER] = "";
119 char **labels = NULL;
120 char **unitv = NULL;
121 size_t nlabels = 0;
122 size_t labels_size = 8;
123 size_t nunits = 0;
124 size_t unitv_size = 8;
125 int verbose = FALSE;
126 int usesnmpgetnext = FALSE;
127 unsigned long lower_warn_lim[MAX_OIDS];
128 unsigned long upper_warn_lim[MAX_OIDS];
129 unsigned long lower_crit_lim[MAX_OIDS];
130 unsigned long upper_crit_lim[MAX_OIDS];
131 unsigned long response_value[MAX_OIDS];
132 int check_warning_value = FALSE;
133 int check_critical_value = FALSE;
134 int retries = 0;
135 unsigned long eval_method[MAX_OIDS];
136 char *delimiter;
137 char *output_delim;
138 char *miblist = NULL;
139 int needmibs = FALSE;
142 int
143 main (int argc, char **argv)
144 {
145 int i = 0;
146 int iresult = STATE_UNKNOWN;
147 int found = 0;
148 int result = STATE_DEPENDENT;
149 char input_buffer[MAX_INPUT_BUFFER];
150 char *command_line = NULL;
151 char *response = NULL;
152 char *outbuff;
153 char *output;
154 char *ptr = NULL;
155 char *p2 = NULL;
156 char *show = NULL;
157 char type[8] = "";
159 setlocale (LC_ALL, "");
160 bindtextdomain (PACKAGE, LOCALEDIR);
161 textdomain (PACKAGE);
163 labels = malloc (labels_size);
164 unitv = malloc (unitv_size);
165 for (i = 0; i < MAX_OIDS; i++)
166 eval_method[i] = CHECK_UNDEF;
167 i = 0;
169 oid = strdup ("");
170 label = strdup ("SNMP");
171 units = strdup ("");
172 port = strdup (DEFAULT_PORT);
173 outbuff = strdup ("");
174 output = strdup ("");
175 delimiter = strdup (" = ");
176 output_delim = strdup (DEFAULT_OUTPUT_DELIMITER);
177 /* miblist = strdup (DEFAULT_MIBLIST); */
178 timeout_interval = DEFAULT_TIMEOUT;
179 retries = DEFAULT_RETRIES;
181 if (process_arguments (argc, argv) == ERROR)
182 usage4 (_("Could not parse arguments"));
184 /* create the command line to execute */
185 if(usesnmpgetnext == TRUE) {
186 asprintf(&command_line, "%s -t %d -r %d -m %s -v %s %s %s:%s %s",
187 PATH_TO_SNMPGETNEXT, timeout_interval, retries, miblist, proto,
188 authpriv, server_address, port, oid);
189 }else{
191 asprintf (&command_line, "%s -t %d -r %d -m %s -v %s %s %s:%s %s",
192 PATH_TO_SNMPGET, timeout_interval, retries, miblist, proto,
193 authpriv, server_address, port, oid);
194 }
196 if (verbose)
197 printf ("%s\n", command_line);
200 /* run the command */
201 child_process = spopen (command_line);
202 if (child_process == NULL) {
203 printf (_("Could not open pipe: %s\n"), command_line);
204 exit (STATE_UNKNOWN);
205 }
207 child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
208 if (child_stderr == NULL) {
209 printf (_("Could not open stderr for %s\n"), command_line);
210 }
212 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process))
213 asprintf (&output, "%s%s", output, input_buffer);
215 if (verbose)
216 printf ("%s\n", output);
218 ptr = output;
220 strcat(perfstr, "| ");
221 while (ptr) {
222 char *foo;
224 foo = strstr (ptr, delimiter);
225 strncat(perfstr, ptr, foo-ptr);
226 ptr = foo;
228 if (ptr == NULL)
229 break;
231 ptr += strlen (delimiter);
232 ptr += strspn (ptr, " ");
234 found++;
236 if (ptr[0] == '"') {
237 ptr++;
238 response = strpcpy (response, ptr, "\"");
239 ptr = strpbrk (ptr, "\"");
240 ptr += strspn (ptr, "\"\n");
241 }
242 else {
243 response = strpcpy (response, ptr, "\n");
244 ptr = strpbrk (ptr, "\n");
245 ptr += strspn (ptr, "\n");
246 while
247 (strstr (ptr, delimiter) &&
248 strstr (ptr, "\n") && strstr (ptr, "\n") < strstr (ptr, delimiter)) {
249 response = strpcat (response, ptr, "\n");
250 ptr = strpbrk (ptr, "\n");
251 }
252 if (ptr && strstr (ptr, delimiter) == NULL) {
253 asprintf (&response, "%s%s", response, ptr);
254 ptr = NULL;
255 }
256 }
258 /* We strip out the datatype indicator for PHBs */
260 /* Clean up type array - Sol10 does not necessarily zero it out */
261 bzero(type, sizeof(type));
263 if (strstr (response, "Gauge: "))
264 show = strstr (response, "Gauge: ") + 7;
265 else if (strstr (response, "Gauge32: "))
266 show = strstr (response, "Gauge32: ") + 9;
267 else if (strstr (response, "Counter32: ")) {
268 show = strstr (response, "Counter32: ") + 11;
269 strcpy(type, "c");
270 }
271 else if (strstr (response, "INTEGER: "))
272 show = strstr (response, "INTEGER: ") + 9;
273 else if (strstr (response, "STRING: "))
274 show = strstr (response, "STRING: ") + 8;
275 else
276 show = response;
277 p2 = show;
279 iresult = STATE_DEPENDENT;
281 /* Process this block for integer comparisons */
282 if (eval_method[i] & CRIT_GT ||
283 eval_method[i] & CRIT_LT ||
284 eval_method[i] & CRIT_GE ||
285 eval_method[i] & CRIT_LE ||
286 eval_method[i] & CRIT_EQ ||
287 eval_method[i] & CRIT_NE ||
288 eval_method[i] & WARN_GT ||
289 eval_method[i] & WARN_LT ||
290 eval_method[i] & WARN_GE ||
291 eval_method[i] & WARN_LE ||
292 eval_method[i] & WARN_EQ ||
293 eval_method[i] & WARN_NE) {
294 p2 = strpbrk (p2, "0123456789");
295 if (p2 == NULL)
296 die (STATE_UNKNOWN,_("No valid data returned"));
297 response_value[i] = strtoul (p2, NULL, 10);
298 iresult = check_num (i);
299 asprintf (&show, "%lu", response_value[i]);
300 }
302 /* Process this block for string matching */
303 else if (eval_method[i] & CRIT_STRING) {
304 if (strcmp (show, string_value))
305 iresult = STATE_CRITICAL;
306 else
307 iresult = STATE_OK;
308 }
310 /* Process this block for regex matching */
311 else if (eval_method[i] & CRIT_REGEX) {
312 excode = regexec (&preg, response, 10, pmatch, eflags);
313 if (excode == 0) {
314 iresult = STATE_OK;
315 }
316 else if (excode != REG_NOMATCH) {
317 regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER);
318 printf (_("Execute Error: %s\n"), errbuf);
319 exit (STATE_CRITICAL);
320 }
321 else {
322 iresult = STATE_CRITICAL;
323 }
324 }
326 /* Process this block for existence-nonexistence checks */
327 else {
328 if (eval_method[i] & CRIT_PRESENT)
329 iresult = STATE_CRITICAL;
330 else if (eval_method[i] & WARN_PRESENT)
331 iresult = STATE_WARNING;
332 else if (response && iresult == STATE_DEPENDENT)
333 iresult = STATE_OK;
334 }
336 /* Result is the worst outcome of all the OIDs tested */
337 result = max_state (result, iresult);
339 /* Prepend a label for this OID if there is one */
340 if (nlabels > (size_t)1 && (size_t)i < nlabels && labels[i] != NULL)
341 asprintf (&outbuff, "%s%s%s %s%s%s", outbuff,
342 (i == 0) ? " " : output_delim,
343 labels[i], mark (iresult), show, mark (iresult));
344 else
345 asprintf (&outbuff, "%s%s%s%s%s", outbuff, (i == 0) ? " " : output_delim,
346 mark (iresult), show, mark (iresult));
348 /* Append a unit string for this OID if there is one */
349 if (nunits > (size_t)0 && (size_t)i < nunits && unitv[i] != NULL)
350 asprintf (&outbuff, "%s %s", outbuff, unitv[i]);
352 i++;
354 strcat(perfstr, "=");
355 strcat(perfstr, show);
356 if (type)
357 strcat(perfstr, type);
358 strcat(perfstr, " ");
360 } /* end while (ptr) */
362 if (found == 0)
363 die (STATE_UNKNOWN,
364 _("%s problem - No data received from host\nCMD: %s\n"),
365 label,
366 command_line);
368 /* WARNING if output found on stderr */
369 if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
370 result = max_state (result, STATE_WARNING);
372 /* close stderr */
373 (void) fclose (child_stderr);
375 /* close the pipe */
376 if (spclose (child_process))
377 result = max_state (result, STATE_WARNING);
379 /* if (nunits == 1 || i == 1) */
380 /* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */
381 /* else */
382 printf ("%s %s -%s %s \n", label, state_text (result), outbuff, perfstr);
384 return result;
385 }
389 /* process command-line arguments */
390 int
391 process_arguments (int argc, char **argv)
392 {
393 char *ptr;
394 int c = 1;
395 int j = 0, jj = 0, ii = 0;
397 int option = 0;
398 static struct option longopts[] = {
399 STD_LONG_OPTS,
400 {"community", required_argument, 0, 'C'},
401 {"oid", required_argument, 0, 'o'},
402 {"object", required_argument, 0, 'o'},
403 {"delimiter", required_argument, 0, 'd'},
404 {"output-delimiter", required_argument, 0, 'D'},
405 {"string", required_argument, 0, 's'},
406 {"timeout", required_argument, 0, 't'},
407 {"regex", required_argument, 0, 'r'},
408 {"ereg", required_argument, 0, 'r'},
409 {"eregi", required_argument, 0, 'R'},
410 {"label", required_argument, 0, 'l'},
411 {"units", required_argument, 0, 'u'},
412 {"port", required_argument, 0, 'p'},
413 {"retries", required_argument, 0, 'e'},
414 {"miblist", required_argument, 0, 'm'},
415 {"protocol", required_argument, 0, 'P'},
416 {"seclevel", required_argument, 0, 'L'},
417 {"secname", required_argument, 0, 'U'},
418 {"authproto", required_argument, 0, 'a'},
419 {"authpasswd", required_argument, 0, 'A'},
420 {"privpasswd", required_argument, 0, 'X'},
421 {"next", no_argument, 0, 'n'},
422 {0, 0, 0, 0}
423 };
425 if (argc < 2)
426 return ERROR;
428 /* reverse compatibility for very old non-POSIX usage forms */
429 for (c = 1; c < argc; c++) {
430 if (strcmp ("-to", argv[c]) == 0)
431 strcpy (argv[c], "-t");
432 if (strcmp ("-wv", argv[c]) == 0)
433 strcpy (argv[c], "-w");
434 if (strcmp ("-cv", argv[c]) == 0)
435 strcpy (argv[c], "-c");
436 }
438 while (1) {
439 c = getopt_long (argc, argv, "nhvVt:c:w:H:C:o:e:E:d:D:s:t:R:r:l:u:p:m:P:L:U:a:A:X:",
440 longopts, &option);
442 if (c == -1 || c == EOF)
443 break;
445 switch (c) {
446 case '?': /* usage */
447 usage5 ();
448 case 'h': /* help */
449 print_help ();
450 exit (STATE_OK);
451 case 'V': /* version */
452 print_revision (progname, revision);
453 exit (STATE_OK);
454 case 'v': /* verbose */
455 verbose = TRUE;
456 break;
458 /* Connection info */
459 case 'C': /* group or community */
460 community = optarg;
461 break;
462 case 'H': /* Host or server */
463 server_address = optarg;
464 break;
465 case 'p': /* TCP port number */
466 port = optarg;
467 break;
468 case 'm': /* List of MIBS */
469 miblist = optarg;
470 break;
471 case 'n': /* usesnmpgetnext */
472 usesnmpgetnext = TRUE;
473 break;
474 case 'P': /* SNMP protocol version */
475 proto = optarg;
476 break;
477 case 'L': /* security level */
478 seclevel = optarg;
479 break;
480 case 'U': /* security username */
481 secname = optarg;
482 break;
483 case 'a': /* auth protocol */
484 authproto = optarg;
485 break;
486 case 'A': /* auth passwd */
487 authpasswd = optarg;
488 break;
489 case 'X': /* priv passwd */
490 privpasswd = optarg;
491 break;
492 case 't': /* timeout period */
493 if (!is_integer (optarg))
494 usage2 (_("Timeout interval must be a positive integer"), optarg);
495 else
496 timeout_interval = atoi (optarg);
497 break;
499 /* Test parameters */
500 case 'c': /* critical time threshold */
501 if (strspn (optarg, "0123456789:,") < strlen (optarg))
502 usage2 (_("Invalid critical threshold: %s\n"), optarg);
503 for (ptr = optarg; ptr && jj < MAX_OIDS; jj++) {
504 if (lu_getll (&lower_crit_lim[jj], ptr) == 1)
505 eval_method[jj] |= CRIT_LT;
506 if (lu_getul (&upper_crit_lim[jj], ptr) == 1)
507 eval_method[jj] |= CRIT_GT;
508 (ptr = index (ptr, ',')) ? ptr++ : ptr;
509 }
510 break;
511 case 'w': /* warning time threshold */
512 if (strspn (optarg, "0123456789:,") < strlen (optarg))
513 usage2 (_("Invalid warning threshold: %s\n"), optarg);
514 for (ptr = optarg; ptr && ii < MAX_OIDS; ii++) {
515 if (lu_getll (&lower_warn_lim[ii], ptr) == 1)
516 eval_method[ii] |= WARN_LT;
517 if (lu_getul (&upper_warn_lim[ii], ptr) == 1)
518 eval_method[ii] |= WARN_GT;
519 (ptr = index (ptr, ',')) ? ptr++ : ptr;
520 }
521 break;
522 case 'e': /* PRELIMINARY - may change */
523 case 'E': /* PRELIMINARY - may change */
524 if (!is_integer (optarg))
525 usage2 (_("Retries interval must be a positive integer"), optarg);
526 else
527 retries = atoi(optarg);
528 break;
529 case 'o': /* object identifier */
530 if ( strspn( optarg, "0123456789." ) != strlen( optarg ) ) {
531 /*
532 * we have something other than digits and periods, so we
533 * have a mib variable, rather than just an SNMP OID, so
534 * we have to actually read the mib files
535 */
536 needmibs = TRUE;
537 }
539 for (ptr = optarg; (ptr = index (ptr, ',')); ptr++)
540 ptr[0] = ' '; /* relpace comma with space */
541 for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++)
542 j++; /* count OIDs */
543 asprintf (&oid, "%s %s", (oid?oid:""), optarg);
544 if (c == 'E' || c == 'e') {
545 jj++;
546 ii++;
547 }
548 if (c == 'E')
549 eval_method[j+1] |= WARN_PRESENT;
550 else if (c == 'e')
551 eval_method[j+1] |= CRIT_PRESENT;
552 break;
553 case 's': /* string or substring */
554 strncpy (string_value, optarg, sizeof (string_value) - 1);
555 string_value[sizeof (string_value) - 1] = 0;
556 eval_method[jj++] = CRIT_STRING;
557 ii++;
558 break;
559 case 'R': /* regex */
560 cflags = REG_ICASE;
561 case 'r': /* regex */
562 cflags |= REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
563 strncpy (regex_expect, optarg, sizeof (regex_expect) - 1);
564 regex_expect[sizeof (regex_expect) - 1] = 0;
565 errcode = regcomp (&preg, regex_expect, cflags);
566 if (errcode != 0) {
567 regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER);
568 printf (_("Could Not Compile Regular Expression"));
569 return ERROR;
570 }
571 eval_method[jj++] = CRIT_REGEX;
572 ii++;
573 break;
575 /* Format */
576 case 'd': /* delimiter */
577 delimiter = strscpy (delimiter, optarg);
578 break;
579 case 'D': /* output-delimiter */
580 output_delim = strscpy (output_delim, optarg);
581 break;
582 case 'l': /* label */
583 label = optarg;
584 nlabels++;
585 if (nlabels >= labels_size) {
586 labels_size += 8;
587 labels = realloc (labels, labels_size);
588 if (labels == NULL)
589 die (STATE_UNKNOWN, _("Could not reallocate labels[%d]"), (int)nlabels);
590 }
591 labels[nlabels - 1] = optarg;
592 ptr = thisarg (optarg);
593 labels[nlabels - 1] = ptr;
594 if (strstr (ptr, "'") == ptr)
595 labels[nlabels - 1] = ptr + 1;
596 while (ptr && (ptr = nextarg (ptr))) {
597 if (nlabels >= labels_size) {
598 labels_size += 8;
599 labels = realloc (labels, labels_size);
600 if (labels == NULL)
601 die (STATE_UNKNOWN, _("Could not reallocate labels\n"));
602 }
603 labels++;
604 ptr = thisarg (ptr);
605 if (strstr (ptr, "'") == ptr)
606 labels[nlabels - 1] = ptr + 1;
607 else
608 labels[nlabels - 1] = ptr;
609 }
610 break;
611 case 'u': /* units */
612 units = optarg;
613 nunits++;
614 if (nunits >= unitv_size) {
615 unitv_size += 8;
616 unitv = realloc (unitv, unitv_size);
617 if (unitv == NULL)
618 die (STATE_UNKNOWN, _("Could not reallocate units [%d]\n"), (int)nunits);
619 }
620 unitv[nunits - 1] = optarg;
621 ptr = thisarg (optarg);
622 unitv[nunits - 1] = ptr;
623 if (strstr (ptr, "'") == ptr)
624 unitv[nunits - 1] = ptr + 1;
625 while (ptr && (ptr = nextarg (ptr))) {
626 if (nunits >= unitv_size) {
627 unitv_size += 8;
628 unitv = realloc (unitv, unitv_size);
629 if (units == NULL)
630 die (STATE_UNKNOWN, _("Could not realloc() units\n"));
631 }
632 nunits++;
633 ptr = thisarg (ptr);
634 if (strstr (ptr, "'") == ptr)
635 unitv[nunits - 1] = ptr + 1;
636 else
637 unitv[nunits - 1] = ptr;
638 }
639 break;
641 }
642 }
644 if (server_address == NULL)
645 server_address = argv[optind];
647 if (community == NULL)
648 community = strdup (DEFAULT_COMMUNITY);
652 return validate_arguments ();
653 }
656 /******************************************************************************
658 @@-
659 <sect3>
660 <title>validate_arguments</title>
662 <para>&PROTO_validate_arguments;</para>
664 <para>Checks to see if the default miblist needs to be loaded. Also verifies
665 the authentication and authorization combinations based on protocol version
666 selected.</para>
668 <para></para>
670 </sect3>
671 -@@
672 ******************************************************************************/
676 int
677 validate_arguments ()
678 {
679 /* check whether to load locally installed MIBS (CPU/disk intensive) */
680 if (miblist == NULL) {
681 if ( needmibs == TRUE ) {
682 miblist = strdup (DEFAULT_MIBLIST);
683 }else{
684 miblist = "''"; /* don't read any mib files for numeric oids */
685 }
686 }
689 /* Need better checks to verify seclevel and authproto choices */
691 if (seclevel == NULL)
692 asprintf (&seclevel, "noAuthNoPriv");
695 if (authproto == NULL )
696 asprintf(&authproto, DEFAULT_AUTH_PROTOCOL);
700 if (proto == NULL || (strcmp(proto,DEFAULT_PROTOCOL) == 0) ) { /* default protocol version */
701 asprintf(&proto, DEFAULT_PROTOCOL);
702 asprintf(&authpriv, "%s%s", "-c ", community);
703 }
704 else if ( strcmp (proto, "2c") == 0 ) { /* snmpv2c args */
705 asprintf(&authpriv, "%s%s", "-c ", community);
706 }
707 else if ( strcmp (proto, "3") == 0 ) { /* snmpv3 args */
708 asprintf(&proto, "%s", "3");
710 if ( (strcmp(seclevel, "noAuthNoPriv") == 0) || seclevel == NULL ) {
711 asprintf(&authpriv, "%s", "-l noAuthNoPriv" );
712 }
713 else if ( strcmp(seclevel, "authNoPriv") == 0 ) {
714 if ( secname == NULL || authpasswd == NULL) {
715 printf (_("Missing secname (%s) or authpassword (%s) ! \n"),secname, authpasswd );
716 print_usage ();
717 exit (STATE_UNKNOWN);
718 }
719 asprintf(&authpriv, "-l authNoPriv -a %s -u %s -A %s ", authproto, secname, authpasswd);
720 }
721 else if ( strcmp(seclevel, "authPriv") == 0 ) {
722 if ( secname == NULL || authpasswd == NULL || privpasswd == NULL ) {
723 printf (_("Missing secname (%s), authpassword (%s), or privpasswd (%s)! \n"),secname, authpasswd,privpasswd );
724 print_usage ();
725 exit (STATE_UNKNOWN);
726 }
727 asprintf(&authpriv, "-l authPriv -a %s -u %s -A %s -x DES -X %s ", authproto, secname, authpasswd, privpasswd);
728 }
730 }
731 else {
732 usage2 (_("Invalid SNMP version"), proto);
733 }
735 return OK;
736 }
740 char *
741 clarify_message (char *msg)
742 {
743 int i = 0;
744 int foo;
745 char tmpmsg_c[MAX_INPUT_BUFFER];
746 char *tmpmsg = (char *) &tmpmsg_c;
747 tmpmsg = strcpy (tmpmsg, msg);
748 if (!strncmp (tmpmsg, " Hex:", 5)) {
749 tmpmsg = strtok (tmpmsg, ":");
750 while ((tmpmsg = strtok (NULL, " "))) {
751 foo = strtol (tmpmsg, NULL, 16);
752 /* Translate chars that are not the same value in the printers
753 * character set.
754 */
755 switch (foo) {
756 case 208:
757 {
758 foo = 197;
759 break;
760 }
761 case 216:
762 {
763 foo = 196;
764 break;
765 }
766 }
767 msg[i] = foo;
768 i++;
769 }
770 msg[i] = 0;
771 }
772 return (msg);
773 }
777 int
778 check_num (int i)
779 {
780 int result;
781 result = STATE_OK;
782 if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT &&
783 lower_warn_lim[i] > upper_warn_lim[i]) {
784 if (response_value[i] <= lower_warn_lim[i] &&
785 response_value[i] >= upper_warn_lim[i]) {
786 result = STATE_WARNING;
787 }
788 }
789 else if
790 ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) ||
791 (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) ||
792 (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) ||
793 (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) ||
794 (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) ||
795 (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) {
796 result = STATE_WARNING;
797 }
799 if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT &&
800 lower_crit_lim[i] > upper_crit_lim[i]) {
801 if (response_value[i] <= lower_crit_lim[i] &&
802 response_value[i] >= upper_crit_lim[i]) {
803 result = STATE_CRITICAL;
804 }
805 }
806 else if
807 ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) ||
808 (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) ||
809 (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) ||
810 (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) ||
811 (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) ||
812 (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) {
813 result = STATE_CRITICAL;
814 }
816 return result;
817 }
821 int
822 lu_getll (unsigned long *ll, char *str)
823 {
824 char tmp[100];
825 if (strchr (str, ':') == NULL)
826 return 0;
827 if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':')))
828 return 0;
829 if (sscanf (str, "%lu%[:]", ll, tmp) == 2)
830 return 1;
831 return 0;
832 }
836 int
837 lu_getul (unsigned long *ul, char *str)
838 {
839 char tmp[100];
840 if (sscanf (str, "%lu%[^,]", ul, tmp) == 1)
841 return 1;
842 if (sscanf (str, ":%lu%[^,]", ul, tmp) == 1)
843 return 1;
844 if (sscanf (str, "%*u:%lu%[^,]", ul, tmp) == 1)
845 return 1;
846 return 0;
847 }
851 /* trim leading whitespace
852 if there is a leading quote, make sure it balances */
854 char *
855 thisarg (char *str)
856 {
857 str += strspn (str, " \t\r\n"); /* trim any leading whitespace */
858 if (strstr (str, "'") == str) { /* handle SIMPLE quoted strings */
859 if (strlen (str) == 1 || !strstr (str + 1, "'"))
860 die (STATE_UNKNOWN, _("Unbalanced quotes\n"));
861 }
862 return str;
863 }
867 /* if there's a leading quote, advance to the trailing quote
868 set the trailing quote to '\x0'
869 if the string continues, advance beyond the comma */
871 char *
872 nextarg (char *str)
873 {
874 if (strstr (str, "'") == str) {
875 str[0] = 0;
876 if (strlen (str) > 1) {
877 str = strstr (str + 1, "'");
878 return (++str);
879 }
880 else {
881 return NULL;
882 }
883 }
884 if (strstr (str, ",") == str) {
885 str[0] = 0;
886 if (strlen (str) > 1) {
887 return (++str);
888 }
889 else {
890 return NULL;
891 }
892 }
893 if ((str = strstr (str, ",")) && strlen (str) > 1) {
894 str[0] = 0;
895 return (++str);
896 }
897 return NULL;
898 }
902 void
903 print_help (void)
904 {
905 print_revision (progname, revision);
907 printf (COPYRIGHT, copyright, email);
909 printf ("%s\n", _("Check status of remote machines and obtain sustem information via SNMP"));
911 printf ("\n\n");
913 print_usage ();
915 printf (_(UT_HELP_VRSN));
917 printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
919 /* SNMP and Authentication Protocol */
920 printf (" %s\n", "-n, --next");
921 printf (" %s\n", _("Use SNMP GETNEXT instead of SNMP GET"));
922 printf (" %s\n", "-P, --protocol=[1|2c|3]");
923 printf (" %s\n", _("SNMP protocol version"));
924 printf (" %s\n", "-L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]");
925 printf (" %s\n", _("SNMPv3 securityLevel"));
926 printf (" %s\n", "-a, --authproto=[MD5|SHA]");
927 printf (" %s\n", _("SNMPv3 auth proto"));
929 /* Authentication Tokens*/
930 printf (" %s\n", "-C, --community=STRING");
931 printf (" %s\n", _("Optional community string for SNMP communication"));
932 printf (_("(default is \"%s\")"),DEFAULT_COMMUNITY);
933 printf (" %s\n", "-U, --secname=USERNAME");
934 printf (" %s\n", _("SNMPv3 username"));
935 printf (" %s\n", "-A, --authpassword=PASSWORD");
936 printf (" %s\n", _("SNMPv3 authentication password"));
937 printf (" %s\n", "-X, --privpasswd=PASSWORD");
938 printf (" %s\n", _("SNMPv3 crypt passwd (DES)"));
940 /* OID Stuff */
941 printf (" %s\n", "-o, --oid=OID(s)");
942 printf (" %s\n", _("Object identifier(s) or SNMP variables whose value you wish to query"));
943 printf (" %s\n", "-m, --miblist=STRING");
944 printf (" %s\n", _("List of MIBS to be loaded (default = none if using numeric oids or 'ALL'"));
945 printf (" %s\n", _("for symbolic oids.)"));
946 printf (" %s\n", "-d, --delimiter=STRING");
947 printf (_(" Delimiter to use when parsing returned data. Default is \"%s\""), DEFAULT_DELIMITER);
948 printf (" %s\n", _("Any data on the right hand side of the delimiter is considered"));
949 printf (" %s\n", _("to be the data that should be used in the evaluation."));
951 /* Tests Against Integers */
952 printf (" %s\n", "-w, --warning=INTEGER_RANGE(s)");
953 printf (" %s\n", _("Range(s) which will not result in a WARNING status"));
954 printf (" %s\n", "-c, --critical=INTEGER_RANGE(s)");
955 printf (" %s\n", _("Range(s) which will not result in a CRITICAL status"));
957 /* Tests Against Strings */
958 printf (" %s\n", "-s, --string=STRING");
959 printf (" %s\n", _("Return OK state (for that OID) if STRING is an exact match"));
960 printf (" %s\n", "-r, --ereg=REGEX");
961 printf (" %s\n", _("Return OK state (for that OID) if extended regular expression REGEX matches"));
962 printf (" %s\n", "-R, --eregi=REGEX");
963 printf (" %s\n", _("Return OK state (for that OID) if case-insensitive extended REGEX matches"));
964 printf (" %s\n", "-l, --label=STRING");
965 printf (" %s\n", _("Prefix label for output from plugin (default -s 'SNMP')"));
967 /* Output Formatting */
968 printf (" %s\n", "-u, --units=STRING");
969 printf (" %s\n", _("Units label(s) for output data (e.g., 'sec.')."));
970 printf (" %s\n", "-D, --output-delimiter=STRING");
971 printf (" %s\n", _("Separates output on multiple OID requests"));
973 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
975 printf (_(UT_VERBOSE));
977 printf ("%s\n", _("This plugin uses the 'snmpget' command included with the NET-SNMP package."));
978 printf ("%s\n", _("if you don't have the package installed, you will need to download it from"));
979 printf ("%s\n", _("http://net-snmp.sourceforge.net before you can use this plugin."));
981 printf ("%s\n", _("- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with"));
982 printf ("%s\n", _(" internal spaces must be quoted) [max 8 OIDs]"));
984 printf ("%s\n", _("- Ranges are inclusive and are indicated with colons. When specified as"));
985 printf ("%s\n", _(" 'min:max' a STATE_OK will be returned if the result is within the indicated"));
986 printf ("%s\n", _(" range or is equal to the upper or lower bound. A non-OK state will be"));
987 printf ("%s\n", _(" returned if the result is outside the specified range."));
989 printf ("%s\n", _("- If specified in the order 'max:min' a non-OK state will be returned if the"));
990 printf ("%s\n", _(" result is within the (inclusive) range."));
992 printf ("%s\n", _("- Upper or lower bounds may be omitted to skip checking the respective limit."));
993 printf ("%s\n", _("- Bare integers are interpreted as upper limits."));
994 printf ("%s\n", _("- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'"));
995 printf ("%s\n", _("- Note that only one string and one regex may be checked at present"));
996 printf ("%s\n", _("- All evaluation methods other than PR, STR, and SUBSTR expect that the value"));
997 printf ("%s\n", _(" returned from the SNMP query is an unsigned integer."));
999 printf (_(UT_SUPPORT));
1000 }
1004 void
1005 print_usage (void)
1006 {
1007 printf (_("Usage:"));
1008 printf ("%s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range]\n",progname);
1009 printf ("[-C community] [-s string] [-r regex] [-R regexi] [-t timeout] [-e retries]\n");
1010 printf ("[-l label] [-u units] [-p port-number] [-d delimiter] [-D output-delimiter]\n");
1011 printf ("[-m miblist] [-P snmp version] [-L seclevel] [-U secname] [-a authproto]\n");
1012 printf ("[-A authpasswd] [-X privpasswd]\n");
1013 }