[Nagiosplug-devel] [ nagiosplug-Bugs-1478287 ] check_dns fails with CNAMEs

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Bugs item #1478287, was opened at 2006-04-28 09:43
Message generated for change (Tracker Item Submitted) made by Item Submitter
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: James (jfidell)
Assigned to: Nobody/Anonymous (nobody)
Summary: check_dns fails with CNAMEs

Initial Comment:
check_dns gives an error if the hostname being checked
is a CNAME instead of an A record:

DNS CRITICAL - '/usr/bin/nslookup -sil' msg parsing
exited with no address


This patch may be sub-optimal, but corrects the problem
for me:

--- check_dns.c~        Fri Apr 28 10:35:45 2006
+++ check_dns.c Fri Apr 28 10:35:52 2006
@@ -136,6 +136,13 @@
       non_authoritative = TRUE;
     }
 
+    else if ( strstr ( chld_out.line[i], query_address
) && !address ) {
+      if (( temp_buffer = strstr ( chld_out.line[i] +
strlen ( query_address ),
+          _("canonical name = ")))) {
+        address = strdup ( temp_buffer );
+      }
+    }
+
     result = error_scan (chld_out.line[i]);
     if (result != STATE_OK) {
       msg = strchr (chld_out.line[i], ':');


James

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