check_curl: implement certificate checks

Signed-off-by: Sven Nierlein <sven@nierlein.de>

1 files changed, 21 insertions, 12 deletions

diff --git a/plugins/sslutils.c b/plugins/sslutils.c
index e38947e..14f6579 100644
--- a/plugins/sslutils.c
+++ b/plugins/sslutils.c
@@ -1,29 +1,29 @@
 /*****************************************************************************
-* 
+*
 * Monitoring Plugins SSL utilities
-* 
+*
 * License: GPL
 * Copyright (c) 2005-2010 Monitoring Plugins Development Team
-* 
+*
 * Description:
-* 
+*
 * This file contains common functions for plugins that require SSL.
-* 
+*
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
-* 
+*
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
-* 
+*
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-* 
-* 
+*
+*
 *****************************************************************************/
 
 #define MAX_CN_LENGTH 256
@@ -193,12 +193,22 @@ int np_net_ssl_read(void *buf, int num) {
 
 int np_net_ssl_check_cert(int days_till_exp_warn, int days_till_exp_crit){
 #  ifdef USE_OPENSSL
-        X509 *certificate=NULL;
+        X509 *certificate = NULL;
+        certificate=SSL_get_peer_certificate(s);
+        return(np_net_ssl_check_certificate(certificate, days_till_exp_warn, days_till_exp_crit));
+#  else /* ifndef USE_OPENSSL */
+        printf("%s\n", _("WARNING - Plugin does not support checking certificates."));
+        return STATE_WARNING;
+#  endif /* USE_OPENSSL */
+}
+
+int np_net_ssl_check_certificate(X509 *certificate, int days_till_exp_warn, int days_till_exp_crit){
+#  ifdef USE_OPENSSL
         X509_NAME *subj=NULL;
         char timestamp[50] = "";
         char cn[MAX_CN_LENGTH]= "";
         char *tz;
-        
+
         int cnlen =-1;
         int status=STATE_UNKNOWN;
 
@@ -210,7 +220,6 @@ int np_net_ssl_check_cert(int days_till_exp_warn, int days_till_exp_crit){
         int time_remaining;
         time_t tm_t;
 
-        certificate=SSL_get_peer_certificate(s);
         if (!certificate) {
                 printf("%s\n",_("CRITICAL - Cannot retrieve server certificate."));
                 return STATE_CRITICAL;