Merge from waqas

3 files changed, 7 insertions, 45 deletions

diff --git a/util/dependencies.lua b/util/dependencies.lua
index 3213a356..682afd15 100644
--- a/util/dependencies.lua
+++ b/util/dependencies.lua
@@ -43,12 +43,4 @@ if not ssl then
 end
 
 
-local md5 = softreq "md5";
-
-if not md5 then
-	missingdep("MD5", { ["luarocks"] = "luarocks install md5"; ["Source"] = "http://luaforge.net/frs/?group_id=155" });	
-	fatal = true;
-end
-
-
 if fatal then os.exit(1); end
diff --git a/util/hashes.lua b/util/hashes.lua
deleted file mode 100644
index 2fd0fbd8..00000000
--- a/util/hashes.lua
+++ /dev/null
@@ -1,30 +0,0 @@
-
-local softreq = function (...) local ok, lib =  pcall(require, ...); if ok then return lib; else return nil; end end
-local error = error;
-
-module "hashes"
-
-local md5 = softreq("md5");
-if md5 then
-	if md5.digest then
-		local md5_digest = md5.digest;
-		local sha1_digest = sha1.digest;
-		function _M.md5(input)
-			return md5_digest(input);
-		end
-		function _M.sha1(input)
-			return sha1_digest(input);
-		end
-	elseif md5.sumhexa then
-		local md5_sumhexa = md5.sumhexa;
-		function _M.md5(input)
-			return md5_sumhexa(input);
-		end
-	else
-		error("md5 library found, but unrecognised... no hash functions will be available", 0);
-	end
-else
-	error("No md5 library found. Install md5 using luarocks, for example", 0);
-end
-
-return _M;
diff --git a/util/sasl.lua b/util/sasl.lua
index 7cabd8b3..001f40fb 100644
--- a/util/sasl.lua
+++ b/util/sasl.lua
@@ -1,5 +1,5 @@
 
-local md5 = require "md5"
+local md5 = require "util.hashes".md5;
 local log = require "util.logger".init("sasl");
 local tostring = tostring;
 local st = require "util.stanza";
@@ -132,21 +132,21 @@ local function new_digest_md5(realm, password_handler)
 			local A1 = Y..":"..response["nonce"]..":"..response["cnonce"]--:authzid
 			local A2 = "AUTHENTICATE:"..protocol.."/"..domain
 			
-			local HA1 = md5.sumhexa(A1)
-			local HA2 = md5.sumhexa(A2)
+			local HA1 = md5(A1, true)
+			local HA2 = md5(A2, true)
 			
 			local KD = HA1..":"..response["nonce"]..":"..response["nc"]..":"..response["cnonce"]..":"..response["qop"]..":"..HA2
-			local response_value = md5.sumhexa(KD)
+			local response_value = md5(KD, true)
 			
 			if response_value == response["response"] then
 				-- calculate rspauth
 				A2 = ":"..protocol.."/"..domain
 				
-				HA1 = md5.sumhexa(A1)
-				HA2 = md5.sumhexa(A2)
+				HA1 = md5(A1, true)
+				HA2 = md5(A2, true)
         
 				KD = HA1..":"..response["nonce"]..":"..response["nc"]..":"..response["cnonce"]..":"..response["qop"]..":"..HA2
-				local rspauth = md5.sumhexa(KD)
+				local rspauth = md5(KD, true)
 				self.authenticated = true
 				return "challenge", serialize({rspauth = rspauth})
 			else