1 files changed, 13 insertions, 2 deletions

diff --git a/plugins/check_ssh.c b/plugins/check_ssh.c
index f3a351e6..421fc01c 100644
--- a/plugins/check_ssh.c
+++ b/plugins/check_ssh.c
@@ -68,6 +68,8 @@ process_arguments (int argc, char **argv)
         static struct option long_options[] = {
                 {"version", no_argument, 0, 'V'},
                 {"help", no_argument, 0, 'h'},
+                {"use-ipv4", no_argument, 0, '4'},
+                {"use-ipv6", no_argument, 0, '6'},
                 {"verbose", no_argument, 0, 'v'},
                 {"timeout", required_argument, 0, 't'},
                 {"host", required_argument, 0, 'H'},
@@ -82,7 +84,7 @@ process_arguments (int argc, char **argv)
                         strcpy (argv[c], "-t");
 
         while (1) {
-                c = getopt_long (argc, argv, "+Vhvt:H:p:", long_options, &option_index);
+                c = getopt_long (argc, argv, "+Vhv46t:H:p:", long_options, &option_index);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -104,6 +106,12 @@ process_arguments (int argc, char **argv)
                                 usage ("Timeout Interval must be an integer!\n\n");
                         socket_timeout = atoi (optarg);
                         break;
+                case '4':
+                        address_family = AF_INET;
+                        break;
+                case '6':
+                        address_family = AF_INET6;
+                        break;
                 case 'H':                                                                       /* host */
                         if (is_host (optarg) == FALSE)
                                 usage ("Invalid hostname/address\n");
@@ -217,7 +225,10 @@ print_usage (void)
                 ("Usage:\n"
                  " %s -t [timeout] -p [port] <host>\n"
                  " %s -V prints version info\n"
-                 " %s -h prints more detailed help\n", progname, progname, progname);
+                 " %s -4 use IPv4 connection\n"
+                 " %s -6 use IPv6 connection\n"
+                 " %s -h prints more detailed help\n", 
+                 progname, progname, progname, progname, progname);
 }
 
 /* end of check_ssh.c */