Diff

--- a/prosodyctl	Tue Sep 22 01:31:52 2015 +0200
+++ b/prosodyctl	Thu Sep 24 20:15:19 2015 +0200
@@ -913,6 +913,43 @@
 			   	print("     For more information see: http://prosody.im/doc/dns");
 			end
 		end
+		local all_options = set.new();
+		for host in enabled_hosts() do
+			all_options:include(set.new(it.to_array(it.keys(config[host]))));
+		end
+		local ssl = nil, dependencies.softreq"ssl";
+		if not ssl then
+			if not set.intersection(all_options, set.new({"require_encryption", "c2s_require_encryption", "s2s_require_encryption"})):empty() then
+				print("");
+				print("    You require encryption but LuaSec is not available.");
+				print("    Connections will fail.");
+				ok = false;
+			end
+		elseif not ssl.loadcertificate then
+			if all_options:contains("s2s_secure_auth") then
+				print("");
+				print("    You have set s2s_secure_auth but your version of LuaSec does ");
+				print("    not support certificate validation, so all s2s connections will");
+				print("    fail.");
+				ok = false;
+			elseif all_options:contains("s2s_secure_domains") then
+				local secure_domains = set.new();
+				for host in enabled_hosts() do
+					if config[host].s2s_secure_auth == true then
+						secure_domains:add("*");
+					else
+						secure_domains:include(set.new(config[host].s2s_secure_domains));
+					end
+				end
+				if not secure_domains:empty() then
+					print("");
+					print("    You have set s2s_secure_domains but your version of LuaSec does ");
+					print("    not support certificate validation, so s2s connections to/from ");
+					print("    these domains will fail.");
+					ok = false;
+				end
+			end
+		end
 		
 		print("Done.\n");
 	end