ef0a66b5f2d82b5c3942ccceda6d899a2fb151ac
1 /******************************************************************************
2 *
3 * CHECK_NT.C
4 *
5 * Program: Windows NT plugin for Nagios
6 * License: GPL
7 * Copyright (c) 2000-2002 Yves Rubin (rubiyz@yahoo.com)
8 *
9 * Description:
10 *
11 * This requires NSClient software to run on NT (http://nsclient.ready2run.nl/)
12 *
13 * License Information:
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 *
29 *****************************************************************************/
31 #include "common.h"
32 #include "netutils.h"
33 #include "utils.h"
35 enum checkvars {
36 CHECK_NONE,
37 CHECK_CLIENTVERSION,
38 CHECK_CPULOAD,
39 CHECK_UPTIME,
40 CHECK_USEDDISKSPACE,
41 CHECK_SERVICESTATE,
42 CHECK_PROCSTATE,
43 CHECK_MEMUSE,
44 CHECK_COUNTER,
45 CHECK_FILEAGE
46 };
48 enum {
49 MAX_VALUE_LIST = 30,
50 PORT = 1248
51 };
53 char *server_address=NULL;
54 char *volume_name=NULL;
55 int server_port=PORT;
56 char *value_list=NULL;
57 char *req_password=NULL;
58 unsigned long lvalue_list[MAX_VALUE_LIST];
59 unsigned long warning_value=0L;
60 unsigned long critical_value=0L;
61 int check_warning_value=FALSE;
62 int check_critical_value=FALSE;
63 enum checkvars vars_to_check = CHECK_NONE;
64 int show_all=FALSE;
66 const char *progname = "check_nt";
68 char recv_buffer[MAX_INPUT_BUFFER];
70 void fetch_data (const char* address, int port, const char* sendb);
71 int process_arguments(int, char **);
72 void preparelist(char *string);
73 int strtoularray(unsigned long *array, char *string, const char *delim);
74 void print_help(void);
75 void print_usage(void);
77 int main(int argc, char **argv){
78 int return_code = STATE_UNKNOWN;
79 char *send_buffer=NULL;
80 char *output_message=NULL;
81 char *perfdata=NULL;
82 char *temp_string=NULL;
83 char *temp_string_perf=NULL;
84 char *description=NULL;
86 double total_disk_space=0;
87 double free_disk_space=0;
88 double percent_used_space=0;
89 double warning_used_space=0;
90 double critical_used_space=0;
91 double mem_commitLimit=0;
92 double mem_commitByte=0;
93 unsigned long utilization;
94 unsigned long uptime;
95 unsigned long age_in_minutes;
96 double counter_value;
97 int offset=0;
98 int updays=0;
99 int uphours=0;
100 int upminutes=0;
102 setlocale (LC_ALL, "");
103 bindtextdomain (PACKAGE, LOCALEDIR);
104 textdomain (PACKAGE);
106 if(process_arguments(argc,argv)==ERROR)
107 usage(_("Could not parse arguments\n"));
109 /* initialize alarm signal handling */
110 signal(SIGALRM,socket_timeout_alarm_handler);
112 /* set socket timeout */
113 alarm(socket_timeout);
115 switch (vars_to_check) {
117 case CHECK_CLIENTVERSION:
119 asprintf(&send_buffer, "%s&1", req_password);
120 fetch_data (server_address, server_port, send_buffer);
121 if (value_list != NULL && strcmp(recv_buffer, value_list) != 0) {
122 asprintf (&output_message, _("Wrong client version - running: %s, required: %s"), recv_buffer, value_list);
123 return_code = STATE_WARNING;
124 } else {
125 asprintf (&output_message, "%s", recv_buffer);
126 return_code = STATE_OK;
127 }
128 break;
130 case CHECK_CPULOAD:
132 if (value_list==NULL)
133 output_message = strdup (_("missing -l parameters"));
134 else if (strtoularray(lvalue_list,value_list,",")==FALSE)
135 output_message = strdup (_("wrong -l parameter."));
136 else {
137 /* -l parameters is present with only integers */
138 return_code=STATE_OK;
139 temp_string = strdup (_("CPU Load"));
140 temp_string_perf = strdup (_(" "));
142 /* loop until one of the parameters is wrong or not present */
143 while (lvalue_list[0+offset]> (unsigned long)0 &&
144 lvalue_list[0+offset]<=(unsigned long)17280 &&
145 lvalue_list[1+offset]> (unsigned long)0 &&
146 lvalue_list[1+offset]<=(unsigned long)100 &&
147 lvalue_list[2+offset]> (unsigned long)0 &&
148 lvalue_list[2+offset]<=(unsigned long)100) {
150 /* Send request and retrieve data */
151 asprintf(&send_buffer,"%s&2&%lu",req_password,lvalue_list[0+offset]);
152 fetch_data (server_address, server_port, send_buffer);
154 utilization=strtoul(recv_buffer,NULL,10);
156 /* Check if any of the request is in a warning or critical state */
157 if(utilization >= lvalue_list[2+offset])
158 return_code=STATE_CRITICAL;
159 else if(utilization >= lvalue_list[1+offset] && return_code<STATE_WARNING)
160 return_code=STATE_WARNING;
162 asprintf(&output_message,_(" %lu%% (%lu min average)"), utilization, lvalue_list[0+offset]);
163 asprintf(&temp_string,"%s%s",temp_string,output_message);
164 asprintf(&perfdata,_(" '%lu min avg Load'=%lu%%;%lu;%lu;0;100"), lvalue_list[0+offset], utilization,
165 lvalue_list[1+offset], lvalue_list[2+offset]);
166 asprintf(&temp_string_perf,"%s%s",temp_string_perf,perfdata);
167 offset+=3; /* move across the array */
168 }
170 if (strlen(temp_string)>10) { /* we had at least one loop */
171 output_message = strdup (temp_string);
172 perfdata = temp_string_perf;
173 } else
174 output_message = strdup (_("not enough values for -l parameters"));
175 }
176 break;
178 case CHECK_UPTIME:
180 asprintf(&send_buffer, "%s&3", req_password);
181 fetch_data (server_address, server_port, send_buffer);
182 uptime=strtoul(recv_buffer,NULL,10);
183 updays = uptime / 86400;
184 uphours = (uptime % 86400) / 3600;
185 upminutes = ((uptime % 86400) % 3600) / 60;
186 asprintf(&output_message,_("System Uptime : %u day(s) %u hour(s) %u minute(s)"),updays,uphours, upminutes);
187 return_code=STATE_OK;
188 break;
190 case CHECK_USEDDISKSPACE:
192 if (value_list==NULL)
193 output_message = strdup (_("missing -l parameters"));
194 else if (strlen(value_list)!=1)
195 output_message = strdup (_("wrong -l argument"));
196 else {
197 asprintf(&send_buffer,"%s&4&%s", req_password, value_list);
198 fetch_data (server_address, server_port, send_buffer);
199 free_disk_space=atof(strtok(recv_buffer,"&"));
200 total_disk_space=atof(strtok(NULL,"&"));
201 percent_used_space = ((total_disk_space - free_disk_space) / total_disk_space) * 100;
202 warning_used_space = ((float)warning_value / 100) * total_disk_space;
203 critical_used_space = ((float)critical_value / 100) * total_disk_space;
205 if (free_disk_space>=0) {
206 asprintf(&temp_string,_("%s:\\ - total: %.2f Gb - used: %.2f Gb (%.0f%%) - free %.2f Gb (%.0f%%)"),
207 value_list, total_disk_space / 1073741824, (total_disk_space - free_disk_space) / 1073741824,
208 percent_used_space, free_disk_space / 1073741824, (free_disk_space / total_disk_space)*100);
209 asprintf(&temp_string_perf,_("'%s:\\ Used Space'=%.2fGb;%.2f;%.2f;0.00;%.2f"), value_list,
210 (total_disk_space - free_disk_space) / 1073741824, warning_used_space / 1073741824,
211 critical_used_space / 1073741824, total_disk_space / 1073741824);
213 if(check_critical_value==TRUE && percent_used_space >= critical_value)
214 return_code=STATE_CRITICAL;
215 else if (check_warning_value==TRUE && percent_used_space >= warning_value)
216 return_code=STATE_WARNING;
217 else
218 return_code=STATE_OK;
220 output_message = strdup (temp_string);
221 perfdata = temp_string_perf;
222 } else {
223 output_message = strdup (_("Free disk space : Invalid drive "));
224 return_code=STATE_UNKNOWN;
225 }
226 }
227 break;
229 case CHECK_SERVICESTATE:
230 case CHECK_PROCSTATE:
232 if (value_list==NULL)
233 output_message = strdup (_("No service/process specified"));
234 else {
235 preparelist(value_list); /* replace , between services with & to send the request */
236 asprintf(&send_buffer,"%s&%u&%s&%s", req_password,(vars_to_check==CHECK_SERVICESTATE)?5:6,
237 (show_all==TRUE)?_("ShowAll"):_("ShowFail"),value_list);
238 fetch_data (server_address, server_port, send_buffer);
239 return_code=atoi(strtok(recv_buffer,"&"));
240 temp_string=strtok(NULL,"&");
241 output_message = strdup (temp_string);
242 }
243 break;
245 case CHECK_MEMUSE:
247 asprintf(&send_buffer,"%s&7", req_password);
248 fetch_data (server_address, server_port, send_buffer);
249 mem_commitLimit=atof(strtok(recv_buffer,"&"));
250 mem_commitByte=atof(strtok(NULL,"&"));
251 percent_used_space = (mem_commitByte / mem_commitLimit) * 100;
252 warning_used_space = ((float)warning_value / 100) * mem_commitLimit;
253 critical_used_space = ((float)critical_value / 100) * mem_commitLimit;
255 // Changed divisor in following line from 1048567 to 3044515 to accurately reflect memory size
256 asprintf(&output_message,_("Memory usage: total:%.2f Mb - used: %.2f Mb (%.0f%%) - free: %.2f Mb (%.0f%%)"),
257 mem_commitLimit / 3044515, mem_commitByte / 3044515, percent_used_space,
258 (mem_commitLimit - mem_commitByte) / 3044515, (mem_commitLimit - mem_commitByte) / mem_commitLimit * 100);
259 asprintf(&perfdata,_("'Memory usage'=%.2fMb;%.2f;%.2f;0.00;%.2f"), mem_commitByte / 3044515,
260 warning_used_space / 3044515, critical_used_space / 3044515, mem_commitLimit / 3044515);
262 return_code=STATE_OK;
263 if(check_critical_value==TRUE && percent_used_space >= critical_value)
264 return_code=STATE_CRITICAL;
265 else if (check_warning_value==TRUE && percent_used_space >= warning_value)
266 return_code=STATE_WARNING;
268 break;
270 case CHECK_COUNTER:
272 if (value_list==NULL)
273 output_message = strdup (_("No counter specified"));
274 else {
275 preparelist(value_list); /* replace , between services with & to send the request */
276 asprintf(&send_buffer,"%s&8&%s", req_password,value_list);
277 fetch_data (server_address, server_port, send_buffer);
278 strtok(value_list,"&"); /* burn the first parameters */
279 description = strtok(NULL,"&");
280 counter_value = atof(recv_buffer);
282 if (description == NULL)
283 asprintf(&output_message, "%.f", counter_value);
284 else
285 asprintf(&output_message,"%s = %.f", description, counter_value);
286 asprintf(&perfdata,"'%s'=%.f", description, counter_value);
288 if (critical_value > warning_value) { /* Normal thresholds */
289 if(check_critical_value==TRUE && counter_value >= critical_value)
290 return_code=STATE_CRITICAL;
291 else if (check_warning_value==TRUE && counter_value >= warning_value)
292 return_code=STATE_WARNING;
293 else
294 return_code=STATE_OK;
295 }
296 else { /* inverse thresholds */
297 return_code=STATE_OK;
298 if(check_critical_value==TRUE && counter_value <= critical_value)
299 return_code=STATE_CRITICAL;
300 else if (check_warning_value==TRUE && counter_value <= warning_value)
301 return_code=STATE_WARNING;
302 }
303 }
304 break;
306 case CHECK_FILEAGE:
308 if (value_list==NULL)
309 output_message = strdup (_("No counter specified"));
310 else {
311 preparelist(value_list); /* replace , between services with & to send the request */
312 asprintf(&send_buffer,"%s&9&%s", req_password,value_list);
313 fetch_data (server_address, server_port, send_buffer);
314 age_in_minutes = atoi(strtok(recv_buffer,"&"));
315 description = strtok(NULL,"&");
316 output_message = strdup (description);
318 if (critical_value > warning_value) { /* Normal thresholds */
319 if(check_critical_value==TRUE && age_in_minutes >= critical_value)
320 return_code=STATE_CRITICAL;
321 else if (check_warning_value==TRUE && age_in_minutes >= warning_value)
322 return_code=STATE_WARNING;
323 else
324 return_code=STATE_OK;
325 }
326 else { /* inverse thresholds */
327 if(check_critical_value==TRUE && age_in_minutes <= critical_value)
328 return_code=STATE_CRITICAL;
329 else if (check_warning_value==TRUE && age_in_minutes <= warning_value)
330 return_code=STATE_WARNING;
331 else
332 return_code=STATE_OK;
333 }
334 }
335 break;
337 case CHECK_NONE:
338 default:
339 usage (_("Please specify a variable to check"));
340 break;
342 }
344 /* reset timeout */
345 alarm(0);
347 if (perfdata==NULL)
348 printf("%s\n",output_message);
349 else
350 printf("%s | %s\n",output_message,perfdata);
351 return return_code;
352 }
358 \f
359 /* process command-line arguments */
360 int process_arguments(int argc, char **argv){
361 int c;
363 int option = 0;
364 static struct option longopts[] =
365 {
366 {"port", required_argument,0,'p'},
367 {"timeout", required_argument,0,'t'},
368 {"critical", required_argument,0,'c'},
369 {"warning", required_argument,0,'w'},
370 {"variable", required_argument,0,'v'},
371 {"hostname", required_argument,0,'H'},
372 {"version", no_argument, 0,'V'},
373 {"help", no_argument, 0,'h'},
374 {0,0,0,0}
375 };
377 /* no options were supplied */
378 if(argc<2) return ERROR;
380 /* backwards compatibility */
381 if (! is_option(argv[1])) {
382 server_address = strdup(argv[1]);
383 argv[1]=argv[0];
384 argv=&argv[1];
385 argc--;
386 }
388 for (c=1;c<argc;c++) {
389 if(strcmp("-to",argv[c])==0)
390 strcpy(argv[c],"-t");
391 else if (strcmp("-wv",argv[c])==0)
392 strcpy(argv[c],"-w");
393 else if (strcmp("-cv",argv[c])==0)
394 strcpy(argv[c],"-c");
395 }
397 while (1){
398 c = getopt_long(argc,argv,"+hVH:t:c:w:p:v:l:s:d:",longopts,&option);
400 if (c==-1||c==EOF||c==1)
401 break;
403 switch (c)
404 {
405 case '?': /* print short usage statement if args not parsable */
406 printf("%s: Unknown argument: %s\n\n",progname,optarg);
407 print_usage();
408 exit(STATE_UNKNOWN);
409 case 'h': /* help */
410 print_help();
411 exit(STATE_OK);
412 case 'V': /* version */
413 print_revision(progname,"$Revision$");
414 exit(STATE_OK);
415 case 'H': /* hostname */
416 if (server_address) free(server_address);
417 server_address = optarg;
418 break;
419 case 's': /* password */
420 req_password = optarg;
421 break;
422 case 'p': /* port */
423 if (is_intnonneg(optarg))
424 server_port=atoi(optarg);
425 else
426 die(STATE_UNKNOWN,_("Server port an integer (seconds)\nType '%s -h' for additional help\n"),progname);
427 break;
428 case 'v':
429 if(strlen(optarg)<4)
430 return ERROR;
431 if(!strcmp(optarg,"CLIENTVERSION"))
432 vars_to_check=CHECK_CLIENTVERSION;
433 else if(!strcmp(optarg,"CPULOAD"))
434 vars_to_check=CHECK_CPULOAD;
435 else if(!strcmp(optarg,"UPTIME"))
436 vars_to_check=CHECK_UPTIME;
437 else if(!strcmp(optarg,"USEDDISKSPACE"))
438 vars_to_check=CHECK_USEDDISKSPACE;
439 else if(!strcmp(optarg,"SERVICESTATE"))
440 vars_to_check=CHECK_SERVICESTATE;
441 else if(!strcmp(optarg,"PROCSTATE"))
442 vars_to_check=CHECK_PROCSTATE;
443 else if(!strcmp(optarg,"MEMUSE"))
444 vars_to_check=CHECK_MEMUSE;
445 else if(!strcmp(optarg,"COUNTER"))
446 vars_to_check=CHECK_COUNTER;
447 else if(!strcmp(optarg,"FILEAGE"))
448 vars_to_check=CHECK_FILEAGE;
449 else
450 return ERROR;
451 break;
452 case 'l': /* value list */
453 value_list = optarg;
454 break;
455 case 'w': /* warning threshold */
456 warning_value=strtoul(optarg,NULL,10);
457 check_warning_value=TRUE;
458 break;
459 case 'c': /* critical threshold */
460 critical_value=strtoul(optarg,NULL,10);
461 check_critical_value=TRUE;
462 break;
463 case 'd': /* Display select for services */
464 if (!strcmp(optarg,"SHOWALL"))
465 show_all = TRUE;
466 break;
467 case 't': /* timeout */
468 socket_timeout=atoi(optarg);
469 if(socket_timeout<=0)
470 return ERROR;
471 }
473 }
475 if (vars_to_check==CHECK_NONE)
476 return ERROR;
478 if (req_password == NULL)
479 req_password = strdup (_("None"));
481 return OK;
482 }
488 \f
489 void fetch_data (const char *address, int port, const char *sendb) {
490 int result;
492 result=process_tcp_request(address, port, sendb, recv_buffer,sizeof(recv_buffer));
494 if(result!=STATE_OK)
495 die (result, "could not fetch information from server\n");
497 if (!strncmp(recv_buffer,"ERROR",5))
498 die (STATE_UNKNOWN, "NSClient - %s\n",recv_buffer);
499 }
501 int strtoularray(unsigned long *array, char *string, const char *delim) {
502 /* split a <delim> delimited string into a long array */
503 int idx=0;
504 char *t1;
506 for (idx=0;idx<MAX_VALUE_LIST;idx++)
507 array[idx]=0;
509 idx=0;
510 for(t1 = strtok(string,delim);t1 != NULL; t1 = strtok(NULL, delim)) {
511 if (is_numeric(t1) && idx<MAX_VALUE_LIST) {
512 array[idx]=strtoul(t1,NULL,10);
513 idx++;
514 } else
515 return FALSE;
516 }
517 return TRUE;
518 }
520 void preparelist(char *string) {
521 /* Replace all , with & which is the delimiter for the request */
522 int i;
524 for (i = 0; (size_t)i < strlen(string); i++)
525 if (string[i] == ',') {
526 string[i]='&';
527 }
528 }
534 \f
535 void print_help(void)
536 {
537 print_revision(progname,"$Revision$");
538 printf (_("\
539 Copyright (c) 2000 Yves Rubin (rubiyz@yahoo.com)\n\n\
540 This plugin collects data from the NSClient service running on a\n\
541 Windows NT/2000/XP server.\n\n"));
542 print_usage();
543 printf (_("\nOptions:\n\
544 -H, --hostname=HOST\n\
545 Name of the host to check\n\
546 -p, --port=INTEGER\n\
547 Optional port number (default: %d)\n\
548 -s <password>\n\
549 Password needed for the request\n\
550 -w, --warning=INTEGER\n\
551 Threshold which will result in a warning status\n\
552 -c, --critical=INTEGER\n\
553 Threshold which will result in a critical status\n\
554 -t, --timeout=INTEGER\n\
555 Seconds before connection attempt times out (default: %d)\n\
556 -h, --help\n\
557 Print this help screen\n\
558 -V, --version\n\
559 Print version information\n"),
560 PORT, DEFAULT_SOCKET_TIMEOUT);
561 printf (_("\
562 -v, --variable=STRING\n\
563 Variable to check. Valid variables are:\n"));
564 printf (_("\
565 CLIENTVERSION = Get the NSClient version\n\
566 If -l <version> is specified, will return warning if versions differ.\n"));
567 printf (_("\
568 CPULOAD = Average CPU load on last x minutes.\n\
569 Request a -l parameter with the following syntax:\n\
570 -l <minutes range>,<warning threshold>,<critical threshold>.\n\
571 <minute range> should be less than 24*60.\n\
572 Thresholds are percentage and up to 10 requests can be done in one shot.\n\
573 ie: -l 60,90,95,120,90,95\n"));
574 printf (_("\
575 UPTIME = Get the uptime of the machine.\n\
576 No specific parameters. No warning or critical threshold\n"));
577 printf (_("\
578 USEDDISKSPACE = Size and percentage of disk use.\n\
579 Request a -l parameter containing the drive letter only.\n\
580 Warning and critical thresholds can be specified with -w and -c.\n"));
581 printf (_("\
582 MEMUSE = Memory use.\n\
583 Warning and critical thresholds can be specified with -w and -c.\n"));
584 printf (_("\
585 SERVICESTATE = Check the state of one or several services.\n\
586 Request a -l parameters with the following syntax:\n\
587 -l <service1>,<service2>,<service3>,...\n\
588 You can specify -d SHOWALL in case you want to see working services\n\
589 in the returned string.\n"));
590 printf (_("\
591 PROCSTATE = Check if one or several process are running.\n\
592 Same syntax as SERVICESTATE.\n"));
593 printf (_("\
594 COUNTER = Check any performance counter of Windows NT/2000.\n\
595 Request a -l parameters with the following syntax:\n\
596 -l \"\\\\<performance object>\\\\counter\",\"<description>\n\
597 The <description> parameter is optional and \n\
598 is given to a printf output command which require a float parameters.\n\
599 Some examples:\n\
600 \"Paging file usage is %%.2f %%%%\"\n\
601 \"%%.f %%%% paging file used.\"\n"));
602 printf (_("Notes:\n\
603 - The NSClient service should be running on the server to get any information\n\
604 (http://nsclient.ready2run.nl).\n\
605 - Critical thresholds should be lower than warning thresholds\n"));
606 }
611 void print_usage(void)
612 {
613 printf(_("\
614 Usage: %s -H host -v variable [-p port] [-w warning] [-c critical]\n\
615 [-l params] [-d SHOWALL] [-t timeout]\n"), progname);
616 printf (_(UT_HLP_VRS), progname, progname);
617 }