Applied patch #660973 for tcp refusals

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@426 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 19 insertions, 1 deletions

diff --git a/plugins/netutils.c b/plugins/netutils.c
index 4234c43..b3348d6 100644
--- a/plugins/netutils.c
+++ b/plugins/netutils.c
@@ -32,6 +32,8 @@
 #include "netutils.h"
 
 int socket_timeout = DEFAULT_SOCKET_TIMEOUT; 
+int econn_refuse_state = STATE_CRITICAL;
+int was_refused = FALSE;
 
 /* handles socket timeouts */
 void
@@ -275,8 +277,22 @@ my_connect (char *host_name, int port, int *sd, int proto)
                         /* attempt to open a connection */
                         result = connect (*sd, res->ai_addr, res->ai_addrlen);
 
-                        if (result == 0)
+                        if (result == 0) {
+                                was_refused = FALSE;
                                 break;
+                        }
+
+                        if (result < 0) {
+                                switch (errno) {
+                                        case ECONNREFUSED:
+                                                switch (econn_refuse_state) {
+                                                        case STATE_OK:
+                                                        case STATE_WARNING:
+                                                                was_refused = TRUE;
+                                                }
+                                                break;
+                                }
+                        }
 
                         close (*sd);
                         res = res->ai_next;
@@ -286,6 +302,8 @@ my_connect (char *host_name, int port, int *sd, int proto)
 
         if (result == 0)
                 return STATE_OK;
+        else if (was_refused)
+                return econn_refuse_state;
         else {
                 printf ("%s\n", strerror(errno));
                 return STATE_CRITICAL;