From db375e2520b7a79b74e8f6415f055a76e81005d7 Mon Sep 17 00:00:00 2001
From: Ted Trask <ttrask01@yahoo.com>
Date: Mon, 15 Sep 2014 18:25:29 +0000
Subject: Fix password validation for DES passwords

---
 freeradius3-model.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/freeradius3-model.lua b/freeradius3-model.lua
index 1606971..df85118 100644
--- a/freeradius3-model.lua
+++ b/freeradius3-model.lua
@@ -554,7 +554,8 @@ function mymodule.update_passwd(self, passwd)
 		local success = false
 		passwd.value.oldpassword.errtxt = "Incorrect password"
 		local algo_salt, hash = string.match(pwhash, "^(%$%d%$[a-zA-Z0-9./]+%$)(.*)")
-	        if algo_salt ~= nil and hash ~= nil then
+		if not algo_salt then algo_salt = string.sub(pwhash, 1, 3) end
+	        if algo_salt ~= nil then
 	                if (pwhash == posix.crypt(passwd.value.oldpassword.value, algo_salt)) then
 				success = true
 				passwd.value.oldpassword.errtxt = nil
-- 
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