[nagiosplug] sslutils: Check if OpenSSL supports SSLv2.

[Nagios Plugin Development]

 Module: nagiosplug
 Branch: master
 Commit: 679a2296065893fd428891d610499c04a50aaa29
 Author: Sebastian Harl <sh at teamix.net>
   Date: Wed Jun  6 13:47:39 2012 +0200
    URL: http://nagiosplug.git.sf.net/git/gitweb.cgi?p=nagiosplug/nagiosplug;a=commit;h=679a229

sslutils: Check if OpenSSL supports SSLv2.

Recent versions/builds seem to disable that feature.

---

 plugins/sslutils.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/plugins/sslutils.c b/plugins/sslutils.c
index 2157764..4e3fc4e 100644
--- a/plugins/sslutils.c
+++ b/plugins/sslutils.c
@@ -55,7 +55,12 @@ int np_net_ssl_init_with_hostname_and_version (int sd, char *host_name, int vers
 			method = TLSv1_client_method();
 			break;
 		case 2: /* SSLv2 protocol */
+#ifdef OPENSSL_NO_SSL2
+			printf (("%s\n", _("CRITICAL - SSL Protocol Version 2 is not supported by your build of OpenSSL.")));
+			return STATE_CRITICAL;
+#else
 			method = SSLv2_client_method();
+#endif
 			break;
 		case 3: /* SSLv3 protocol */
 			method = SSLv3_client_method();