prosodyctl: Show an error if the user doesn't supply a hostname to the certificate...

diff --git a/prosodyctl b/prosodyctl
index 4511ec2c5ae14ffd91e243a0c4a42b15b6bcb9de..40a15010f5ab5443b523462a8fe35b75d26d2261 100755 (executable)
--- a/prosodyctl
+++ b/prosodyctl
@@ -205,6 +205,7 @@ local error_messages = setmetatable({
                ["invalid-hostname"] = "The given hostname is invalid";
                ["no-password"] = "No password was supplied";
                ["no-such-user"] = "The given user does not exist on the server";
+               ["no-such-host"] = "The given hostname does not exist in the config";
                ["unable-to-save-data"] = "Unable to store, perhaps you don't have permission?";
                ["no-pidfile"] = "There is no 'pidfile' option in the configuration file, see http://prosody.im/doc/prosodyctl#pidfile for help";
                ["no-posix"] = "The mod_posix module is not enabled in the Prosody config file, see http://prosody.im/doc/prosodyctl for more info";
@@ -648,7 +649,7 @@ function cert_commands.config(arg)
                show_message("Config written to " .. conf_filename);
                return nil, conf_filename;
        else
-               show_usage("cert config HOSTNAME", "generates config for OpenSSL")
+               show_usage("cert config HOSTNAME", "builds a config for OpenSSL")
        end
 end
 
@@ -714,6 +715,10 @@ function commands.cert(arg)
        if #arg >= 1 and arg[1] ~= "--help" then
                local subcmd = table.remove(arg, 1);
                if type(cert_commands[subcmd]) == "function" then
+                       if not hosts[arg[1]] then
+                               show_message(error_messages["no-such-host"]);
+                               return
+                       end
                        return cert_commands[subcmd](arg);
                end
        end