1 /******************************************************************************
2 *
3 * CHECK_NT.C
4 *
5 * Program: Windows NT plugin for NetSaint
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 *temp_string=NULL;
82 char *description=NULL;
84 double total_disk_space=0;
85 double free_disk_space=0;
86 double percent_used_space=0;
87 double mem_commitLimit=0;
88 double mem_commitByte=0;
89 unsigned long utilization;
90 unsigned long uptime;
91 unsigned long age_in_minutes;
92 double counter_value;
93 int offset=0;
94 int updays=0;
95 int uphours=0;
96 int upminutes=0;
98 setlocale (LC_ALL, "");
99 bindtextdomain (PACKAGE, LOCALEDIR);
100 textdomain (PACKAGE);
102 if(process_arguments(argc,argv)==ERROR)
103 usage(_("Could not parse arguments\n"));
105 /* initialize alarm signal handling */
106 signal(SIGALRM,socket_timeout_alarm_handler);
108 /* set socket timeout */
109 alarm(socket_timeout);
111 switch (vars_to_check) {
113 case CHECK_CLIENTVERSION:
115 asprintf(&send_buffer, "%s&1", req_password);
116 fetch_data (server_address, server_port, send_buffer);
117 if (value_list != NULL && strcmp(recv_buffer, value_list) != 0) {
118 asprintf (&output_message, _("Wrong client version - running: %s, required: %s"), recv_buffer, value_list);
119 return_code = STATE_WARNING;
120 } else {
121 asprintf (&output_message, recv_buffer);
122 return_code = STATE_OK;
123 }
124 break;
126 case CHECK_CPULOAD:
128 if (value_list==NULL)
129 output_message = strdup (_("missing -l parameters"));
130 else if (strtoularray(lvalue_list,value_list,",")==FALSE)
131 output_message = strdup (_("wrong -l parameter."));
132 else {
133 /* -l parameters is present with only integers */
134 return_code=STATE_OK;
135 temp_string = strdup (_("CPU Load"));
136 /* loop until one of the parameters is wrong or not present */
137 while (lvalue_list[0+offset]> (unsigned long)0 &&
138 lvalue_list[0+offset]<=(unsigned long)17280 &&
139 lvalue_list[1+offset]> (unsigned long)0 &&
140 lvalue_list[1+offset]<=(unsigned long)100 &&
141 lvalue_list[2+offset]> (unsigned long)0 &&
142 lvalue_list[2+offset]<=(unsigned long)100) {
144 /* Send request and retrieve data */
145 asprintf(&send_buffer,"%s&2&%lu",req_password,lvalue_list[0+offset]);
146 fetch_data (server_address, server_port, send_buffer);
148 utilization=strtoul(recv_buffer,NULL,10);
150 /* Check if any of the request is in a warning or critical state */
151 if(utilization >= lvalue_list[2+offset])
152 return_code=STATE_CRITICAL;
153 else if(utilization >= lvalue_list[1+offset] && return_code<STATE_WARNING)
154 return_code=STATE_WARNING;
156 asprintf(&output_message,_(" %lu%% (%lu min average)"), utilization, lvalue_list[0+offset]);
157 asprintf(&temp_string,"%s%s",temp_string,output_message);
158 offset+=3; /* move across the array */
159 }
160 if (strlen(temp_string)>10) /* we had at least one loop */
161 output_message = strdup (temp_string);
162 else
163 output_message = strdup (_("not enough values for -l parameters"));
164 }
165 break;
167 case CHECK_UPTIME:
169 asprintf(&send_buffer, "%s&3", req_password);
170 fetch_data (server_address, server_port, send_buffer);
171 uptime=strtoul(recv_buffer,NULL,10);
172 updays = uptime / 86400;
173 uphours = (uptime % 86400) / 3600;
174 upminutes = ((uptime % 86400) % 3600) / 60;
175 asprintf(&output_message,_("System Uptime : %u day(s) %u hour(s) %u minute(s)"),updays,uphours, upminutes);
176 return_code=STATE_OK;
177 break;
179 case CHECK_USEDDISKSPACE:
181 if (value_list==NULL)
182 output_message = strdup (_("missing -l parameters"));
183 else if (strlen(value_list)==1)
184 output_message = strdup (_("wrong -l argument"));
185 else {
186 asprintf(&send_buffer,"%s&4&%s", req_password, value_list);
187 fetch_data (server_address, server_port, send_buffer);
188 free_disk_space=atof(strtok(recv_buffer,"&"));
189 total_disk_space=atof(strtok(NULL,"&"));
190 percent_used_space = ((total_disk_space - free_disk_space) / total_disk_space) * 100;
192 if (free_disk_space>=0) {
193 asprintf(&temp_string,_("%s:\\ - total: %.2f Gb - used: %.2f Gb (%.0f%%) - free %.2f Gb (%.0f%%)"),
194 value_list, total_disk_space / 1073741824, (total_disk_space - free_disk_space) / 1073741824, percent_used_space,
195 free_disk_space / 1073741824, (free_disk_space / total_disk_space)*100);
198 if(check_critical_value==TRUE && percent_used_space >= critical_value)
199 return_code=STATE_CRITICAL;
200 else if (check_warning_value==TRUE && percent_used_space >= warning_value)
201 return_code=STATE_WARNING;
202 else
203 return_code=STATE_OK;
205 output_message = strdup (temp_string);
206 }
207 else {
208 output_message = strdup (_("Free disk space : Invalid drive "));
209 return_code=STATE_UNKNOWN;
210 }
211 }
212 break;
214 case CHECK_SERVICESTATE:
215 case CHECK_PROCSTATE:
217 if (value_list==NULL)
218 output_message = strdup (_("No service/process specified"));
219 else {
220 preparelist(value_list); /* replace , between services with & to send the request */
221 asprintf(&send_buffer,"%s&%u&%s&%s", req_password,(vars_to_check==CHECK_SERVICESTATE)?5:6,
222 (show_all==TRUE)?_("ShowAll"):_("ShowFail"),value_list);
223 fetch_data (server_address, server_port, send_buffer);
224 return_code=atoi(strtok(recv_buffer,"&"));
225 temp_string=strtok(NULL,"&");
226 output_message = strdup (temp_string);
227 }
228 break;
230 case CHECK_MEMUSE:
232 asprintf(&send_buffer,"%s&7", req_password);
233 fetch_data (server_address, server_port, send_buffer);
234 mem_commitLimit=atof(strtok(recv_buffer,"&"));
235 mem_commitByte=atof(strtok(NULL,"&"));
236 percent_used_space = (mem_commitByte / mem_commitLimit) * 100;
237 asprintf(&output_message,_("Memory usage: total:%.2f Mb - used: %.2f Mb (%.0f%%) - free: %.2f Mb (%.0f%%)"),
238 mem_commitLimit / 1048576, mem_commitByte / 1048567, percent_used_space,
239 (mem_commitLimit - mem_commitByte) / 1048576, (mem_commitLimit - mem_commitByte) / mem_commitLimit * 100);
241 if(check_critical_value==TRUE && percent_used_space >= critical_value)
242 return_code=STATE_CRITICAL;
243 else if (check_warning_value==TRUE && percent_used_space >= warning_value)
244 return_code=STATE_WARNING;
245 else
246 return_code=STATE_OK;
248 break;
250 case CHECK_COUNTER:
252 if (value_list==NULL)
253 output_message = strdup (_("No counter specified"));
254 else {
255 preparelist(value_list); /* replace , between services with & to send the request */
256 asprintf(&send_buffer,"%s&8&%s", req_password,value_list);
257 fetch_data (server_address, server_port, send_buffer);
258 strtok(value_list,"&"); /* burn the first parameters */
259 description = strtok(NULL,"&");
260 counter_value = atof(recv_buffer);
262 if (description == NULL)
263 asprintf(&output_message, "%.f", counter_value);
264 else
265 asprintf(&output_message,"%s = %.f", description, counter_value);
267 if (critical_value > warning_value) { /* Normal thresholds */
268 if(check_critical_value==TRUE && counter_value >= critical_value)
269 return_code=STATE_CRITICAL;
270 else if (check_warning_value==TRUE && counter_value >= warning_value)
271 return_code=STATE_WARNING;
272 else
273 return_code=STATE_OK;
274 }
275 else { /* inverse thresholds */
276 if(check_critical_value==TRUE && counter_value <= critical_value)
277 return_code=STATE_CRITICAL;
278 else if (check_warning_value==TRUE && counter_value <= warning_value)
279 return_code=STATE_WARNING;
280 else
281 return_code=STATE_OK;
282 }
283 }
284 break;
286 case CHECK_FILEAGE:
288 if (value_list==NULL)
289 output_message = strdup (_("No counter specified"));
290 else {
291 preparelist(value_list); /* replace , between services with & to send the request */
292 asprintf(&send_buffer,"%s&9&%s", req_password,value_list);
293 fetch_data (server_address, server_port, send_buffer);
294 age_in_minutes = atoi(strtok(recv_buffer,"&"));
295 description = strtok(NULL,"&");
296 output_message = strdup (description);
298 if (critical_value > warning_value) { /* Normal thresholds */
299 if(check_critical_value==TRUE && age_in_minutes >= critical_value)
300 return_code=STATE_CRITICAL;
301 else if (check_warning_value==TRUE && age_in_minutes >= warning_value)
302 return_code=STATE_WARNING;
303 else
304 return_code=STATE_OK;
305 }
306 else { /* inverse thresholds */
307 if(check_critical_value==TRUE && age_in_minutes <= critical_value)
308 return_code=STATE_CRITICAL;
309 else if (check_warning_value==TRUE && age_in_minutes <= warning_value)
310 return_code=STATE_WARNING;
311 else
312 return_code=STATE_OK;
313 }
314 }
315 break;
317 case CHECK_NONE:
318 default:
319 usage (_("Please specify a variable to check"));
320 break;
322 }
324 /* reset timeout */
325 alarm(0);
327 printf("%s\n",output_message);
329 return return_code;
330 }
336 \f
337 /* process command-line arguments */
338 int process_arguments(int argc, char **argv){
339 int c;
341 int option = 0;
342 static struct option longopts[] =
343 {
344 {"port", required_argument,0,'p'},
345 {"timeout", required_argument,0,'t'},
346 {"critical", required_argument,0,'c'},
347 {"warning", required_argument,0,'w'},
348 {"variable", required_argument,0,'v'},
349 {"hostname", required_argument,0,'H'},
350 {"version", no_argument, 0,'V'},
351 {"help", no_argument, 0,'h'},
352 {0,0,0,0}
353 };
355 /* no options were supplied */
356 if(argc<2) return ERROR;
358 /* backwards compatibility */
359 if (! is_option(argv[1])) {
360 server_address = strdup(argv[1]);
361 argv[1]=argv[0];
362 argv=&argv[1];
363 argc--;
364 }
366 for (c=1;c<argc;c++) {
367 if(strcmp("-to",argv[c])==0)
368 strcpy(argv[c],"-t");
369 else if (strcmp("-wv",argv[c])==0)
370 strcpy(argv[c],"-w");
371 else if (strcmp("-cv",argv[c])==0)
372 strcpy(argv[c],"-c");
373 }
375 while (1){
376 c = getopt_long(argc,argv,"+hVH:t:c:w:p:v:l:s:d:",longopts,&option);
378 if (c==-1||c==EOF||c==1)
379 break;
381 switch (c)
382 {
383 case '?': /* print short usage statement if args not parsable */
384 printf("%s: Unknown argument: %s\n\n",progname,optarg);
385 print_usage();
386 exit(STATE_UNKNOWN);
387 case 'h': /* help */
388 print_help();
389 exit(STATE_OK);
390 case 'V': /* version */
391 print_revision(progname,"$Revision$");
392 exit(STATE_OK);
393 case 'H': /* hostname */
394 if (server_address) free(server_address);
395 server_address = optarg;
396 break;
397 case 's': /* password */
398 req_password = optarg;
399 break;
400 case 'p': /* port */
401 if (is_intnonneg(optarg))
402 server_port=atoi(optarg);
403 else
404 die(STATE_UNKNOWN,_("Server port an integer (seconds)\nType '%s -h' for additional help\n"),progname);
405 break;
406 case 'v':
407 if(strlen(optarg)<4)
408 return ERROR;
409 if(!strcmp(optarg,"CLIENTVERSION"))
410 vars_to_check=CHECK_CLIENTVERSION;
411 else if(!strcmp(optarg,"CPULOAD"))
412 vars_to_check=CHECK_CPULOAD;
413 else if(!strcmp(optarg,"UPTIME"))
414 vars_to_check=CHECK_UPTIME;
415 else if(!strcmp(optarg,"USEDDISKSPACE"))
416 vars_to_check=CHECK_USEDDISKSPACE;
417 else if(!strcmp(optarg,"SERVICESTATE"))
418 vars_to_check=CHECK_SERVICESTATE;
419 else if(!strcmp(optarg,"PROCSTATE"))
420 vars_to_check=CHECK_PROCSTATE;
421 else if(!strcmp(optarg,"MEMUSE"))
422 vars_to_check=CHECK_MEMUSE;
423 else if(!strcmp(optarg,"COUNTER"))
424 vars_to_check=CHECK_COUNTER;
425 else if(!strcmp(optarg,"FILEAGE"))
426 vars_to_check=CHECK_FILEAGE;
427 else
428 return ERROR;
429 break;
430 case 'l': /* value list */
431 value_list = optarg;
432 break;
433 case 'w': /* warning threshold */
434 warning_value=strtoul(optarg,NULL,10);
435 check_warning_value=TRUE;
436 break;
437 case 'c': /* critical threshold */
438 critical_value=strtoul(optarg,NULL,10);
439 check_critical_value=TRUE;
440 break;
441 case 'd': /* Display select for services */
442 if (!strcmp(optarg,"SHOWALL"))
443 show_all = TRUE;
444 break;
445 case 't': /* timeout */
446 socket_timeout=atoi(optarg);
447 if(socket_timeout<=0)
448 return ERROR;
449 }
451 }
453 if (vars_to_check==CHECK_NONE)
454 return ERROR;
456 if (req_password == NULL)
457 req_password = strdup (_("None"));
459 return OK;
460 }
466 \f
467 void fetch_data (const char *address, int port, const char *sendb) {
468 int result;
470 result=process_tcp_request(address, port, sendb, recv_buffer,sizeof(recv_buffer));
472 if(result!=STATE_OK)
473 die (result, "could not fetch information from server\n");
475 if (!strncmp(recv_buffer,"ERROR",5))
476 die (STATE_UNKNOWN, "NSClient - %s\n",recv_buffer);
477 }
479 int strtoularray(unsigned long *array, char *string, const char *delim) {
480 /* split a <delim> delimited string into a long array */
481 int idx=0;
482 char *t1;
484 for (idx=0;idx<MAX_VALUE_LIST;idx++)
485 array[idx]=0;
487 idx=0;
488 for(t1 = strtok(string,delim);t1 != NULL; t1 = strtok(NULL, delim)) {
489 if (is_numeric(t1) && idx<MAX_VALUE_LIST) {
490 array[idx]=strtoul(t1,NULL,10);
491 idx++;
492 } else
493 return FALSE;
494 }
495 return TRUE;
496 }
498 void preparelist(char *string) {
499 /* Replace all , with & which is the delimiter for the request */
500 int i;
502 for (i = 0; (size_t)i < strlen(string); i++)
503 if (string[i] == ',') {
504 string[i]='&';
505 }
506 }
512 \f
513 void print_help(void)
514 {
515 print_revision(progname,"$Revision$");
516 printf (_("\
517 Copyright (c) 2000 Yves Rubin (rubiyz@yahoo.com)\n\n\
518 This plugin collects data from the NSClient service running on a\n\
519 Windows NT/2000/XP server.\n\n"));
520 print_usage();
521 printf (_("\nOptions:\n\
522 -H, --hostname=HOST\n\
523 Name of the host to check\n\
524 -p, --port=INTEGER\n\
525 Optional port number (default: %d)\n\
526 -s <password>\n\
527 Password needed for the request\n\
528 -w, --warning=INTEGER\n\
529 Threshold which will result in a warning status\n\
530 -c, --critical=INTEGER\n\
531 Threshold which will result in a critical status\n\
532 -t, --timeout=INTEGER\n\
533 Seconds before connection attempt times out (default: %d)\n\
534 -h, --help\n\
535 Print this help screen\n\
536 -V, --version\n\
537 Print version information\n"),
538 PORT, DEFAULT_SOCKET_TIMEOUT);
539 printf (_("\
540 -v, --variable=STRING\n\
541 Variable to check. Valid variables are:\n"));
542 printf (_("\
543 CLIENTVERSION = Get the NSClient version\n\
544 If -l <version> is specified, will return warning if versions differ.\n"));
545 printf (_("\
546 CPULOAD = Average CPU load on last x minutes.\n\
547 Request a -l parameter with the following syntax:\n\
548 -l <minutes range>,<warning threshold>,<critical threshold>.\n\
549 <minute range> should be less than 24*60.\n\
550 Thresholds are percentage and up to 10 requests can be done in one shot.\n\
551 ie: -l 60,90,95,120,90,95\n"));
552 printf (_("\
553 UPTIME = Get the uptime of the machine.\n\
554 No specific parameters. No warning or critical threshold\n"));
555 printf (_("\
556 USEDDISKSPACE = Size and percentage of disk use.\n\
557 Request a -l parameter containing the drive letter only.\n\
558 Warning and critical thresholds can be specified with -w and -c.\n"));
559 printf (_("\
560 MEMUSE = Memory use.\n\
561 Warning and critical thresholds can be specified with -w and -c.\n"));
562 printf (_("\
563 SERVICESTATE = Check the state of one or several services.\n\
564 Request a -l parameters with the following syntax:\n\
565 -l <service1>,<service2>,<service3>,...\n\
566 You can specify -d SHOWALL in case you want to see working services\n\
567 in the returned string.\n"));
568 printf (_("\
569 PROCSTATE = Check if one or several process are running.\n\
570 Same syntax as SERVICESTATE.\n"));
571 printf (_("\
572 COUNTER = Check any performance counter of Windows NT/2000.\n\
573 Request a -l parameters with the following syntax:\n\
574 -l \"\\\\<performance object>\\\\counter\",\"<description>\n\
575 The <description> parameter is optional and \n\
576 is given to a printf output command which require a float parameters.\n\
577 Some examples:\n\
578 \"Paging file usage is %%.2f %%%%\"\n\
579 \"%%.f %%%% paging file used.\"\n"));
580 printf (_("Notes:\n\
581 - The NSClient service should be running on the server to get any information\n\
582 (http://nsclient.ready2run.nl).\n\
583 - Critical thresholds should be lower than warning thresholds\n"));
584 }
589 void print_usage(void)
590 {
591 printf(_("\
592 Usage: %s -H host -v variable [-p port] [-w warning] [-c critical]\n\
593 [-l params] [-d SHOWALL] [-t timeout]\n"), progname);
594 printf (_(UT_HLP_VRS), progname, progname);
595 }