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monitoring-plugins/plugins/check_nt.c
Karl DeBisschop d8a0b8512b cleanup to suppress various strict compiler warnings 
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@483 f882894a-f735-0410-b71e-b25c423dba1c
2003-04-09 03:46:26 +00:00

614 lines
18 KiB
C
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/******************************************************************************
*
* CHECK_NT.C
*
* Program: Windows NT plugin for NetSaint
* License: GPL
* Copyright (c) 2000-2002 Yves Rubin (rubiyz@yahoo.com)
*
* Description:
*
* This requires NSClient software to run on NT (http://nsclient.ready2run.nl/)
*
* License Information:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
#include "config.h"
#include "common.h"
#include "netutils.h"
#include "utils.h"
#define CHECK_NONE 0
#define CHECK_CLIENTVERSION 1
#define CHECK_CPULOAD 2
#define CHECK_UPTIME 3
#define CHECK_USEDDISKSPACE 4
#define CHECK_SERVICESTATE 5
#define CHECK_PROCSTATE 6
#define CHECK_MEMUSE 7
#define CHECK_COUNTER 8
#define CHECK_FILEAGE 9
#define MAX_VALUE_LIST 30
#define PORT 1248
char *server_address=NULL;
char *volume_name=NULL;
int server_port=PORT;
char *value_list=NULL;
char *req_password=NULL;
unsigned long lvalue_list[MAX_VALUE_LIST];
unsigned long warning_value=0L;
unsigned long critical_value=0L;
int check_value_list=FALSE;
int check_warning_value=FALSE;
int check_critical_value=FALSE;
int vars_to_check=CHECK_NONE;
int show_all=FALSE;
const char *progname = "check_nt";
int process_arguments(int, char **);
void print_usage(void);
void print_help(void);
void preparelist(char *string);
int main(int argc, char **argv){
int result;
int return_code = STATE_UNKNOWN;
char *send_buffer=NULL;
char recv_buffer[MAX_INPUT_BUFFER];
char *output_message=NULL;
char *temp_string=NULL;
char *description=NULL;
double total_disk_space=0;
double free_disk_space=0;
double percent_used_space=0;
double mem_commitLimit=0;
double mem_commitByte=0;
unsigned long utilization;
unsigned long uptime;
unsigned long age_in_minutes;
double counter_value;
int offset=0;
int updays=0;
int uphours=0;
int upminutes=0;
asprintf(&req_password,"None");
if(process_arguments(argc,argv)==ERROR)
usage("Could not parse arguments\n");
/* initialize alarm signal handling */
signal(SIGALRM,socket_timeout_alarm_handler);
/* set socket timeout */
alarm(socket_timeout);
if (vars_to_check==CHECK_CLIENTVERSION) {
asprintf(&send_buffer,strcat(req_password,"&1"));
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if(result!=STATE_OK)
return result;
asprintf(&output_message,recv_buffer);
return_code=STATE_OK;
}
else if(vars_to_check==CHECK_CPULOAD){
if (check_value_list==TRUE) {
if (strtolarray(&lvalue_list,value_list,",")==TRUE) {
/* -l parameters is present with only integers */
return_code=STATE_OK;
asprintf(&temp_string,"CPU Load");
while (lvalue_list[0+offset]>(unsigned long)0 &&
lvalue_list[0+offset]<=(unsigned long)17280 &&
lvalue_list[1+offset]>=(unsigned long)0 &&
lvalue_list[1+offset]<=(unsigned long)100 &&
lvalue_list[2+offset]>=(unsigned long)0 &&
lvalue_list[2+offset]<=(unsigned long)100) {
/* loop until one of the parameters is wrong or not present */
/* Send request and retrieve data */
asprintf(&send_buffer,"%s&2&%lu",req_password,lvalue_list[0+offset]);
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if(result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
utilization=strtoul(recv_buffer,NULL,10);
/* Check if any of the request is in a warning or critical state */
if(utilization >= lvalue_list[2+offset])
return_code=STATE_CRITICAL;
else if(utilization >= lvalue_list[1+offset] && return_code<STATE_WARNING)
return_code=STATE_WARNING;
asprintf(&output_message," %lu%% (%lu min average)", utilization, lvalue_list[0+offset]);
asprintf(&temp_string,"%s%s",temp_string,output_message);
offset+=3; /* move across the array */
}
if (strlen(temp_string)>10) {
/* we had at least on loop */
asprintf(&output_message,"%s",temp_string);
}
else
asprintf(&output_message,"%s","not enough values for -l parameters");
} else
asprintf(&output_message,"wrong -l parameter.");
} else
asprintf(&output_message,"missing -l parameters");
}
else if(vars_to_check==CHECK_UPTIME){
asprintf(&send_buffer,strcat(req_password,"&3"));
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if(result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
uptime=strtoul(recv_buffer,NULL,10);
updays = uptime / 86400;
uphours = (uptime % 86400) / 3600;
upminutes = ((uptime % 86400) % 3600) / 60;
asprintf(&output_message,"System Uptime : %u day(s) %u hour(s) %u minute(s)",updays,uphours, upminutes);
return_code=STATE_OK;
}
else if(vars_to_check==CHECK_USEDDISKSPACE){
return_code=STATE_UNKNOWN;
if (check_value_list==TRUE) {
if (strlen(value_list)==1) {
asprintf(&send_buffer,"%s&4&%s", req_password, value_list);
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if(result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
free_disk_space=atof(strtok(recv_buffer,"&"));
total_disk_space=atof(strtok(NULL,"&"));
percent_used_space = ((total_disk_space - free_disk_space) / total_disk_space) * 100;
if (free_disk_space>=0) {
asprintf(&temp_string,"%s:\\ - total: %.2f Gb - used: %.2f Gb (%.0f%%) - free %.2f Gb (%.0f%%)",
value_list, total_disk_space / 1073741824, (total_disk_space - free_disk_space) / 1073741824, percent_used_space,
free_disk_space / 1073741824, (free_disk_space / total_disk_space)*100);
if(check_critical_value==TRUE && percent_used_space >= critical_value)
return_code=STATE_CRITICAL;
else if (check_warning_value==TRUE && percent_used_space >= warning_value)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
asprintf(&output_message,"%s",temp_string);
}
else {
asprintf(&output_message,"Free disk space : Invalid drive ");
return_code=STATE_UNKNOWN;
}
}
else
asprintf(&output_message,"wrong -l argument");
} else
asprintf(&output_message,"missing -l parameters");
}
else if(vars_to_check==CHECK_SERVICESTATE || vars_to_check==CHECK_PROCSTATE){
if (check_value_list==TRUE) {
preparelist(value_list); /* replace , between services with & to send the request */
asprintf(&send_buffer,"%s&%u&%s&%s", req_password,(vars_to_check==CHECK_SERVICESTATE)?5:6,
(show_all==TRUE)?"ShowAll":"ShowFail",value_list);
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if(result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
return_code=atoi(strtok(recv_buffer,"&"));
temp_string=strtok(NULL,"&");
asprintf(&output_message, "%s",temp_string);
}
else
asprintf(&output_message,"No service/process specified");
}
else if(vars_to_check==CHECK_MEMUSE) {
asprintf(&send_buffer,"%s&7", req_password);
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if (result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
mem_commitLimit=atof(strtok(recv_buffer,"&"));
mem_commitByte=atof(strtok(NULL,"&"));
percent_used_space = (mem_commitByte / mem_commitLimit) * 100;
asprintf(&output_message,"Memory usage: total:%.2f Mb - used: %.2f Mb (%.0f%%) - free: %.2f Mb (%.0f%%)",
mem_commitLimit / 1048576, mem_commitByte / 1048567, percent_used_space,
(mem_commitLimit - mem_commitByte) / 1048576, (mem_commitLimit - mem_commitByte) / mem_commitLimit * 100);
if(check_critical_value==TRUE && percent_used_space >= critical_value)
return_code=STATE_CRITICAL;
else if (check_warning_value==TRUE && percent_used_space >= warning_value)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
}
else if(vars_to_check==CHECK_COUNTER) {
if (check_value_list==TRUE) {
preparelist(value_list); /* replace , between services with & to send the request */
asprintf(&send_buffer,"%s&8&%s", req_password,value_list);
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if (result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
strtok(value_list,"&"); /* burn the first parameters */
description = strtok(NULL,"&");
counter_value = atof(recv_buffer);
if (description == NULL)
asprintf(&output_message, "%.f", counter_value);
else
asprintf(&output_message, description, counter_value);
if (critical_value > warning_value) {
/* Normal thresholds */
if(check_critical_value==TRUE && counter_value >= critical_value)
return_code=STATE_CRITICAL;
else if (check_warning_value==TRUE && counter_value >= warning_value)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
}
else {
/* inverse thresholds */
if(check_critical_value==TRUE && counter_value <= critical_value)
return_code=STATE_CRITICAL;
else if (check_warning_value==TRUE && counter_value <= warning_value)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
}
}
else {
asprintf(&output_message,"No counter specified");
result=STATE_UNKNOWN;
}
}
else if(vars_to_check==CHECK_FILEAGE) {
if (check_value_list==TRUE) {
preparelist(value_list); /* replace , between services with & to send the request */
asprintf(&send_buffer,"%s&9&%s", req_password,value_list);
result=process_tcp_request(server_address,server_port,send_buffer,recv_buffer,sizeof(recv_buffer));
if (result!=STATE_OK)
return result;
if (!strncmp(recv_buffer,"ERROR",5)) {
printf("NSClient - %s\n",recv_buffer);
exit(STATE_UNKNOWN);
}
age_in_minutes = atoi(strtok(recv_buffer,"&"));
description = strtok(NULL,"&");
asprintf(&output_message, description);
if (critical_value > warning_value) {
/* Normal thresholds */
if(check_critical_value==TRUE && age_in_minutes >= critical_value)
return_code=STATE_CRITICAL;
else if (check_warning_value==TRUE && age_in_minutes >= warning_value)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
}
else {
/* inverse thresholds */
if(check_critical_value==TRUE && age_in_minutes <= critical_value)
return_code=STATE_CRITICAL;
else if (check_warning_value==TRUE && age_in_minutes <= warning_value)
return_code=STATE_WARNING;
else
return_code=STATE_OK;
}
}
else {
asprintf(&output_message,"No file specified");
result=STATE_UNKNOWN;
}
}
/* reset timeout */
alarm(0);
printf("%s\n",output_message);
return return_code;
}
/* process command-line arguments */
int process_arguments(int argc, char **argv){
int c;
int option_index = 0;
static struct option long_options[] =
{
{"port", required_argument,0,'p'},
{"timeout", required_argument,0,'t'},
{"critical", required_argument,0,'c'},
{"warning", required_argument,0,'w'},
{"variable", required_argument,0,'v'},
{"hostname", required_argument,0,'H'},
{"version", no_argument, 0,'V'},
{"help", no_argument, 0,'h'},
{0,0,0,0}
};
/* no options were supplied */
if(argc<2) return ERROR;
/* backwards compatibility */
if (! is_option(argv[1])) {
server_address=argv[1];
argv[1]=argv[0];
argv=&argv[1];
argc--;
}
for (c=1;c<argc;c++) {
if(strcmp("-to",argv[c])==0)
strcpy(argv[c],"-t");
else if (strcmp("-wv",argv[c])==0)
strcpy(argv[c],"-w");
else if (strcmp("-cv",argv[c])==0)
strcpy(argv[c],"-c");
}
while (1){
c = getopt_long(argc,argv,"+hVH:t:c:w:p:v:l:s:d:",long_options,&option_index);
if (c==-1||c==EOF||c==1)
break;
switch (c)
{
case '?': /* print short usage statement if args not parsable */
printf("%s: Unknown argument: %s\n\n",progname,optarg);
print_usage();
exit(STATE_UNKNOWN);
case 'h': /* help */
print_help();
exit(STATE_OK);
case 'V': /* version */
print_revision(progname,"$Revision$");
exit(STATE_OK);
case 'H': /* hostname */
server_address=optarg;
break;
case 's': /* password */
asprintf(&req_password,optarg);
break;
case 'p': /* port */
if (is_intnonneg(optarg))
server_port=atoi(optarg);
else
terminate(STATE_UNKNOWN,"Server port an integer (seconds)\nType '%s -h' for additional help\n",progname);
break;
case 'v':
if(strlen(optarg)<4)
return ERROR;
if(!strcmp(optarg,"CLIENTVERSION"))
vars_to_check=CHECK_CLIENTVERSION;
else if(!strcmp(optarg,"CPULOAD"))
vars_to_check=CHECK_CPULOAD;
else if(!strcmp(optarg,"UPTIME"))
vars_to_check=CHECK_UPTIME;
else if(!strcmp(optarg,"USEDDISKSPACE"))
vars_to_check=CHECK_USEDDISKSPACE;
else if(!strcmp(optarg,"SERVICESTATE"))
vars_to_check=CHECK_SERVICESTATE;
else if(!strcmp(optarg,"PROCSTATE"))
vars_to_check=CHECK_PROCSTATE;
else if(!strcmp(optarg,"MEMUSE"))
vars_to_check=CHECK_MEMUSE;
else if(!strcmp(optarg,"COUNTER"))
vars_to_check=CHECK_COUNTER;
else if(!strcmp(optarg,"FILEAGE"))
vars_to_check=CHECK_FILEAGE;
else
return ERROR;
break;
case 'l': /* value list */
asprintf(&value_list,"%s",optarg);
check_value_list=TRUE;
break;
case 'w': /* warning threshold */
warning_value=strtoul(optarg,NULL,10);
check_warning_value=TRUE;
break;
case 'c': /* critical threshold */
critical_value=strtoul(optarg,NULL,10);
check_critical_value=TRUE;
break;
case 'd': /* Display select for services */
if (!strcmp(optarg,"SHOWALL"))
show_all = TRUE;
break;
case 't': /* timeout */
socket_timeout=atoi(optarg);
if(socket_timeout<=0)
return ERROR;
}
}
if (vars_to_check==CHECK_NONE)
return ERROR;
return OK;
}
void print_usage(void)
{
printf("Usage: %s -H host -v variable [-p port] [-w warning] [-c critical] [-l params] [-d SHOWALL] [-t timeout]\n",progname);
}
void print_help(void)
{
print_revision(progname,"$Revision$");
printf ("\
Copyright (c) 2000 Yves Rubin (rubiyz@yahoo.com)\n\n\
This plugin collects data from the NSClient service running on a\n\
Windows NT/2000/XP server.\n\n");
print_usage();
printf ("\nOptions:\n\
-H, --hostname=HOST\n\
Name of the host to check\n\
-p, --port=INTEGER\n\
Optional port number (default: %d)\n\
-s <password>\n\
Password needed for the request\n\
-w, --warning=INTEGER\n\
Threshold which will result in a warning status\n\
-c, --critical=INTEGER\n\
Threshold which will result in a critical status\n\
-t, --timeout=INTEGER\n\
Seconds before connection attempt times out (default: %d)\n\
-h, --help\n\
Print this help screen\n\
-V, --version\n\
Print version information\n",
PORT, DEFAULT_SOCKET_TIMEOUT);
printf ("\
-v, --variable=STRING\n\
Variable to check. Valid variables are:\n");
printf ("\
CLIENTVERSION = Get the NSClient version\n");
printf ("\
CPULOAD = Average CPU load on last x minutes.\n\
Request a -l parameter with the following syntax:\n\
-l <minutes range>,<warning threshold>,<critical threshold>.\n\
<minute range> should be less than 24*60.\n\
Thresholds are percentage and up to 10 requests can be done in one shot.\n\
ie: -l 60,90,95,120,90,95\n");
printf ("\
UPTIME = Get the uptime of the machine.\n\
No specific parameters. No warning or critical threshold\n");
printf ("\
USEDDISKSPACE = Size and percentage of disk use.\n\
Request a -l parameter containing the drive letter only.\n\
Warning and critical thresholds can be specified with -w and -c.\n");
printf ("\
MEMUSE = Memory use.\n\
Warning and critical thresholds can be specified with -w and -c.\n");
printf ("\
SERVICESTATE = Check the state of one or several services.\n\
Request a -l parameters with the following syntax:\n\
-l <service1>,<service2>,<service3>,...\n\
You can specify -d SHOWALL in case you want to see working services\n\
in the returned string.\n");
printf ("\
PROCSTATE = Check if one or several process are running.\n\
Same syntax as SERVICESTATE.\n");
printf ("\
COUNTER = Check any performance counter of Windows NT/2000.\n\
Request a -l parameters with the following syntax:\n\
-l \"\\\\<performance object>\\\\counter\",\"<description>\n\
The <description> parameter is optional and \n\
is given to a printf output command which require a float parameters.\n\
Some examples:\n\
\"Paging file usage is %%.2f %%%%\"\n\
\"%%.f %%%% paging file used.\"\n");
printf ("Notes:\n\
- The NSClient service should be running on the server to get any information\n\
(http://nsclient.ready2run.nl).\n\
- Critical thresholds should be lower than warning thresholds\n");
}
int strtolarray(unsigned long *array, char *string, char *delim) {
/* split a <delim> delimited string into a long array */
int idx=0;
char *t1;
for (idx=0;idx<MAX_VALUE_LIST;idx++)
array[idx]=-1;
idx=0;
for(t1 = strtok(string,delim);t1 != NULL; t1 = strtok(NULL, delim)) {
if (is_numeric(t1) && idx<MAX_VALUE_LIST) {
array[idx]=strtoul(t1,NULL,10);
idx++;
} else
return FALSE;
}
return TRUE;
}
void preparelist(char *string) {
/* Replace all , with & which is the delimiter for the request */
int i;
for (i = 0; (size_t)i < strlen(string); i++)
if (string[i] == ',') {
string[i]='&';
}
}
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