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[nagiosplug.git] / plugins / sslutils.c

diff --git a/plugins/sslutils.c b/plugins/sslutils.c
index f5035e231e2c8ede5e410d111520696f74d392a4..64f4d61c9179c9c5d93e5ff5e5bebe7a17ac7b98 100644 (file)
--- a/plugins/sslutils.c
+++ b/plugins/sslutils.c
@@ -35,7 +35,11 @@ static SSL_CTX *c=NULL;
 static SSL *s=NULL;
 static int initialized=0;
 
-int np_net_ssl_init (int sd){
+int np_net_ssl_init (int sd) {
+               return np_net_ssl_init_with_hostname(sd, NULL);
+}
+
+int np_net_ssl_init_with_hostname (int sd, char *host_name) {
                if (!initialized) {
                        /* Initialize SSL context */
                        SSLeay_add_ssl_algorithms ();
@@ -48,6 +52,10 @@ int np_net_ssl_init (int sd){
                                return STATE_CRITICAL;
                }
                if ((s = SSL_new (c)) != NULL){
+#ifdef SSL_set_tlsext_host_name
+                               if (host_name != NULL)
+                                       SSL_set_tlsext_host_name(s, host_name);
+#endif
                                SSL_set_fd (s, sd);
                                if (SSL_connect(s) == 1){
                                                return OK;
@@ -65,6 +73,9 @@ int np_net_ssl_init (int sd){
 
 void np_net_ssl_cleanup (){
                if(s){
+#ifdef SSL_set_tlsext_host_name
+                               SSL_set_tlsext_host_name(s, NULL);
+#endif
                                SSL_shutdown (s);
                                SSL_free (s);
                                if(c) {
@@ -86,9 +97,10 @@ int np_net_ssl_read(void *buf, int num){
 int np_net_ssl_check_cert(int days_till_exp){
 #  ifdef USE_OPENSSL
        X509 *certificate=NULL;
-        ASN1_STRING *tm;
+       ASN1_STRING *tm;
        int offset;
        struct tm stamp;
+       float time_left;
        int days_left;
        char timestamp[17] = "";
 
@@ -135,7 +147,8 @@ int np_net_ssl_check_cert(int days_till_exp){
        stamp.tm_sec = 0;
        stamp.tm_isdst = -1;
 
-       days_left = (mktime (&stamp) - time (NULL)) / 86400;
+       time_left = difftime(timegm(&stamp), time(NULL));
+       days_left = time_left / 86400;
        snprintf
                (timestamp, 17, "%02d/%02d/%04d %02d:%02d",
                 stamp.tm_mon + 1,
@@ -144,7 +157,7 @@ int np_net_ssl_check_cert(int days_till_exp){
        if (days_left > 0 && days_left <= days_till_exp) {
                printf (_("WARNING - Certificate expires in %d day(s) (%s).\n"), days_left, timestamp);
                return STATE_WARNING;
-       } else if (days_left < 0) {
+       } else if (time_left < 0) {
                printf (_("CRITICAL - Certificate expired on %s.\n"), timestamp);
                return STATE_CRITICAL;
        } else if (days_left == 0) {