restore informative output that was lost in previous bug fix

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/branches/release-1.3.0@629 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 22 insertions, 28 deletions

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 88ef7d7..4e808bb 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -209,61 +209,55 @@ main (int argc, char **argv)
         return result;
 }
 
+
 int
 error_scan (char *input_buffer)
 {
 
         /* the DNS lookup timed out */
-        if (strstr (input_buffer,
-             "Note:  nslookup is deprecated and may be removed from future releases.")
-            || strstr (input_buffer,
-             "Consider using the `dig' or `host' programs instead.  Run nslookup with")
-            || strstr (input_buffer,
-             "the `-sil[ent]' option to prevent this message from appearing."))
+        if (strstr (input_buffer,       "Note:  nslookup is deprecated and may be removed from future releases.") ||
+            strstr (input_buffer, "Consider using the `dig' or `host' programs instead.  Run nslookup with") ||
+            strstr (input_buffer, "the `-sil[ent]' option to prevent this message from appearing."))
                 return STATE_OK;
 
         /* the DNS lookup timed out */
         else if (strstr (input_buffer, "Timed out"))
-                return STATE_WARNING;
+                terminate (STATE_WARNING, "Request timed out at server\n");
 
         /* DNS server is not running... */
         else if (strstr (input_buffer, "No response from server"))
-                return STATE_CRITICAL;
+                terminate (STATE_CRITICAL, "No response from name server %s\n", dns_server);
 
         /* Host name is valid, but server doesn't have records... */
         else if (strstr (input_buffer, "No records"))
-                return STATE_WARNING;
-
-        /* Host or domain name does not exist */
-        else if (strstr (input_buffer, "Non-existent"))
-                return STATE_CRITICAL;
-        else if (strstr (input_buffer, "** server can't find"))
-                return STATE_CRITICAL;
-        else if(strstr(input_buffer,"NXDOMAIN")) /* 9.x */
-                return STATE_CRITICAL;
+                terminate (STATE_CRITICAL, "Name server %s has no records\n", dns_server);
 
         /* Connection was refused */
-        else if (strstr (input_buffer, "Connection refused"))
-                return STATE_CRITICAL;
+        else if (strstr (input_buffer, "Connection refused") ||
+                 (strstr (input_buffer, "** server can't find") &&
+                  strstr (input_buffer, ": REFUSED")) ||
+                 (strstr (input_buffer, "Refused")))
+                terminate (STATE_CRITICAL, "Connection to name server %s was refused\n", dns_server);
+
+        /* Host or domain name does not exist */
+        else if (strstr (input_buffer, "Non-existent") ||
+                 strstr (input_buffer, "** server can't find") ||
+                 strstr (input_buffer,": NXDOMAIN"))
+                terminate (STATE_CRITICAL, "Domain %s was not found by the server\n", query_address);
 
         /* Network is unreachable */
         else if (strstr (input_buffer, "Network is unreachable"))
-                return STATE_CRITICAL;
+                terminate (STATE_CRITICAL, "Network is unreachable\n");
 
         /* Internal server failure */
         else if (strstr (input_buffer, "Server failure"))
-                return STATE_CRITICAL;
-
-        /* DNS server refused to service request */
-        else if (strstr (input_buffer, "Refused"))
-                return STATE_CRITICAL;
+                terminate (STATE_CRITICAL, "Server failure for %s\n", dns_server);
 
         /* Request error */
         else if (strstr (input_buffer, "Format error"))
-                return STATE_WARNING;
+                terminate (STATE_WARNING, "Format error\n");
 
-        else
-                return STATE_OK;
+        return STATE_OK;
 
 }