Imported Upstream version 2.15

contrib/README.nrpe_check_control

@@ -0,0 +1,64 @@
+NOTES:
+------
+
+The service definition below assumes you have a command called "check_tcp" already setup
+in your config files.
+
+The command definition below assumes that the $USER1$ macro is used to define the location
+of your Nagios plugins (i.e. "/usr/local/nagios/libexec") and that the nrpe_check_control
+service is located in that directory.
+
+
+
+SAMPLE CONFIG FILE SNIPPETS:
+----------------------------
+
+define service {
+	host_name	<host name goes here>
+	description	NRPE
+	...
+	event_handler	nrpe_check_control
+	check_command	check_tcp!-p 5666
+        }
+
+define command {
+	command_name	nrpe_check_control
+	command_line	$USER1$/nrpe_check_control $SERVICESTATE$ $SERVICESTATETYPE$ $SERVICEATTEMPT$ "$HOSTNAME$"
+	}
+
+
+
+
+ORIGINAL EMAIL SNIPPET: 
+-----------------------
+
+Date sent:      	Fri, 30 Mar 2001 18:51:48 -0500
+From:           	adam.bowen@<>
+Subject:        	Event Handler
+To:             	[nagios@nagios.org]
+
+I am attaching the source code for an event handler I wrote to 
+control checks using nrpe.  I add the following check to all remote hosts
+using nrpe:
+
+<see example above>
+
+I added this line to the commands.cfg file:
+
+<see example above>
+
+When the NRPE service check listed above has 3 failed connection
+attempts, it will run the nrpe_check_control which will search the
+services file for all services for $HOSTNAME$ that use the check_nrpe.
+
+It will then request that all these services be disabled.  When the
+NRPE check returns to the OK state, it will request that all services
+using check_nrpe be re-enabled. This will prevent unnecessary e-mail
+when there is a problem with the NRPE daemon.  This does require 
+that external commands be enabled.
+
+(See attached file: nrpe_check_control.c)
+
+I thought some other [Nagios] users might find this useful.
+
+Adam G. Bowen

contrib/nrpe_check_control.c

@@ -0,0 +1,121 @@
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#define MAX_CHARS	1024
+#define SERVICE_COUNT	12
+
+#define COMMAND_FILE	"/usr/local/nagios/var/rw/nagios.cmd"
+#define SERVICES_FILE	"/usr/local/nagios/etc/services.cfg"
+
+int main(int argc, char *argv[])
+{
+  char check_name[MAX_CHARS];
+  char ent_type[MAX_CHARS];
+  char input_buffer[MAX_CHARS];
+  char host_name[MAX_CHARS];
+  char service_name[MAX_CHARS];
+  char state[MAX_CHARS];
+  char state_type[MAX_CHARS];
+  char temp_input[MAX_CHARS];
+  char temp_string[MAX_CHARS];
+  char test_host[MAX_CHARS];
+
+  char *temp_var;
+
+  FILE *command_fp;
+  FILE *services_fp;
+
+  int attempt;
+  int i;
+
+  time_t current_time;
+
+  strcpy(state,argv[1]);
+  strcpy(state_type,argv[2]);
+  attempt=atoi(argv[3]);
+  strcpy(host_name,argv[4]);
+
+  if(strcmp(state,"OK") == 0)
+  {
+    services_fp=fopen(SERVICES_FILE,"r");
+    command_fp=fopen(COMMAND_FILE,"a");
+    while((fgets(input_buffer,MAX_CHARS-1,services_fp)) != NULL)
+    {
+      if(input_buffer[0]=='#' || input_buffer[0]=='\x0' || input_buffer[0]=='\n' || input_buffer[0]=='\r')
+      {
+        continue;
+      }
+      else
+      {
+        strcpy(temp_input,input_buffer);
+        strcpy(temp_string,strtok(temp_input,"="));
+        strcpy(ent_type,strtok(temp_string,"["));
+        if(strcmp(ent_type,"service") == 0)
+        {
+          strcpy(test_host,strtok(NULL,"]"));
+          if(strcmp(test_host,host_name) == 0)
+          {
+            temp_var=strtok(input_buffer,"=");
+            strcpy(service_name,strtok(NULL,";")); 
+            for(i=1;i<=SERVICE_COUNT;i++)
+            {
+              temp_var=strtok(NULL,";");
+            }
+            strcpy(check_name,strtok(temp_var,"!"));
+            if(strcmp(check_name,"check_nrpe") == 0)
+            {
+              time(&current_time);
+              fprintf(command_fp,"[%lu] ENABLE_SVC_CHECK;%s;%s\n",current_time,host_name,service_name);
+            }
+          }
+        }
+      }
+    }
+    fclose(command_fp);
+    fclose(services_fp);
+  }
+  else if(strcmp(state,"CRITICAL") == 0)
+  {
+    if(attempt == 3)
+    {
+      services_fp=fopen(SERVICES_FILE,"r");
+      command_fp=fopen(COMMAND_FILE,"a");
+      while((fgets(input_buffer,MAX_CHARS-1,services_fp)) != NULL)
+      {
+        if(input_buffer[0]=='#' || input_buffer[0]=='\x0' || input_buffer[0]=='\n' || input_buffer[0]=='\r')
+        {
+          continue;
+        }
+        else
+        {
+          strcpy(temp_input,input_buffer);
+          strcpy(temp_string,strtok(temp_input,"="));
+          strcpy(ent_type,strtok(temp_string,"["));
+          if(strcmp(ent_type,"service") == 0)
+          {
+            strcpy(test_host,strtok(NULL,"]"));
+            if(strcmp(test_host,host_name) == 0)
+            {
+              temp_var=strtok(input_buffer,"=");
+              strcpy(service_name,strtok(NULL,";")); 
+              for(i=1;i<=SERVICE_COUNT;i++)
+              {
+                temp_var=strtok(NULL,";");
+              }
+              strcpy(check_name,strtok(temp_var,"!"));
+              if(strcmp(check_name,"check_nrpe") == 0)
+              {
+                time(&current_time);
+                fprintf(command_fp,"[%lu] DISABLE_SVC_CHECK;%s;%s\n",current_time,host_name,service_name);
+              }
+            }
+          }
+        }
+      }
+      fclose(command_fp);
+      fclose(services_fp);
+    }
+  }
+  return 0;
+}