Module: monitoring-plugins
 Branch: master
 Commit: bb16b73130519cf5e93340480c8fd5e7e696a15f
 Author: nafets <naf...@users.noreply.github.com>
   Date: Mon Nov 17 23:00:45 2014 +0100
    URL: 
https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=bb16b73

added option to exit with an warning, if there is output on STDERR

---

 plugins/check_by_ssh.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/plugins/check_by_ssh.c b/plugins/check_by_ssh.c
index a877f88..bc172c9 100644
--- a/plugins/check_by_ssh.c
+++ b/plugins/check_by_ssh.c
@@ -49,6 +49,7 @@ unsigned int commands = 0;
 unsigned int services = 0;
 int skip_stdout = 0;
 int skip_stderr = 0;
+int warn_on_stderr = 0;
 char *remotecmd = NULL;
 char **commargv = NULL;
 int commargc = 0;
@@ -109,7 +110,10 @@ main (int argc, char **argv)
        if(chld_err.lines > skip_stderr) {
                printf (_("Remote command execution failed: %s\n"),
                        chld_err.line[skip_stderr]);
-               return max_state_alt(result, STATE_UNKNOWN);
+               if ( warn_on_stderr ) 
+                       return max_state_alt(result, STATE_WARNING);
+               else
+                       return max_state_alt(result, STATE_UNKNOWN);
        }
 
        /* this is simple if we're not supposed to be passive.
@@ -182,6 +186,7 @@ process_arguments (int argc, char **argv)
                {"skip", optional_argument, 0, 'S'}, /* backwards compatibility 
*/
                {"skip-stdout", optional_argument, 0, 'S'},
                {"skip-stderr", optional_argument, 0, 'E'},
+               {"warn-on-stderr", no_argument, 0, 'W'},
                {"proto1", no_argument, 0, '1'},
                {"proto2", no_argument, 0, '2'},
                {"use-ipv4", no_argument, 0, '4'},
@@ -301,6 +306,9 @@ process_arguments (int argc, char **argv)
                        else
                                skip_stderr = atoi (optarg);
                        break;
+               case 'W':                                                       
                /* exit with warning if there is an output on stderr */
+                       warn_on_stderr = 1;
+                       break;
                case 'o':                                                       
                /* Extra options for the ssh command */
                        comm_append("-o");
                        comm_append(optarg);
@@ -408,6 +416,8 @@ print_help (void)
   printf ("    %s\n", _("Ignore all or (if specified) first n lines on STDOUT 
[optional]"));
   printf (" %s\n", "-E, --skip-stderr[=n]");
   printf ("    %s\n", _("Ignore all or (if specified) first n lines on STDERR 
[optional]"));
+  printf (" %s\n", "-W, --warn-on-stderr]");
+  printf ("    %s\n", _("Exit with an warning, if there is an output on 
STDERR"));
   printf (" %s\n", "-f");
   printf ("    %s\n", _("tells ssh to fork rather than create a tty 
[optional]. This will always return OK if ssh is executed"));
   printf (" %s\n","-C, --command='COMMAND STRING'");
@@ -460,7 +470,7 @@ print_usage (void)
 {
        printf ("%s\n", _("Usage:"));
        printf (" %s -H <host> -C <command> [-fqv] [-1|-2] [-4|-6]\n"
-               "       [-S [lines]] [-E [lines]] [-t timeout] [-i identity]\n"
+               "       [-S [lines]] [-E [lines]] [-W] [-t timeout] [-i 
identity]\n"
                "       [-l user] [-n name] [-s servicelist] [-O outputfile]\n"
                "       [-p port] [-o ssh-option] [-F configfile]\n",
                progname);

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