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From ab90d186ad54de0fe73304bae5771f10a167fd3f Mon Sep 17 00:00:00 2001
From: Matthew Kent <matt@bravenet.com>
Date: Fri, 21 Jan 2011 11:54:30 -0800
Subject: [PATCH] Fix bug ID: 2946553 - Match the server used in the lookup for older versions of bind.
---
plugins/check_dns.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 73b560c..04b8baf 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -136,6 +136,28 @@ main (int argc, char **argv)
}
}
+ /* bug ID: 2946553 - Older versions of bind will use all available dns
+ servers, we have to match the one specified */
+ if (strstr (chld_out.line[i], "Server:") && strlen(dns_server) > 0) {
+ temp_buffer = index (chld_out.line[i], ':');
+ temp_buffer++;
+
+ /* Strip leading tabs */
+ for (; *temp_buffer != '\0' && *temp_buffer == '\t'; temp_buffer++)
+ /* NOOP */;
+
+ strip(temp_buffer);
+ if (temp_buffer==NULL || strlen(temp_buffer)==0) {
+ die (STATE_CRITICAL,
+ _("DNS CRITICAL - '%s' returned empty server string\n"),
+ NSLOOKUP_COMMAND);
+ }
+
+ if (strcmp(temp_buffer, dns_server) != 0) {
+ die (STATE_CRITICAL, _("No response from DNS %s\n"), dns_server);
+ }
+ }
+
/* the server is responding, we just got the host name... */
if (strstr (chld_out.line[i], "Name:"))
parse_address = TRUE;
--
1.5.5.6
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