TT#137602 auth_sql: lower domain for comparation

* prosody keeps host using nameprep

Change-Id: I04c8cffdb46f33fe932b64e1ab1f9fcc49febb00

debian/patches/mod_auth_sql.path

@@ -7,7 +7,7 @@ Subject: sipwise custom auth
  1 file changed, 6 insertions(+), 3 deletions(-)
 
 diff --git a/plugins/mod_auth_sql/mod_auth_sql.lua b/plugins/mod_auth_sql/mod_auth_sql.lua
-index 2947a91..237ad28 100644
+index 2947a91..631768d 100644
 --- a/plugins/mod_auth_sql/mod_auth_sql.lua
 +++ b/plugins/mod_auth_sql/mod_auth_sql.lua
 @@ -71,10 +71,13 @@ local function getsql(sql, ...)
@@ -15,7 +15,7 @@ index 2947a91..237ad28 100644
  
  local function get_password(username)
 -	local stmt, err = getsql("SELECT `password` FROM `authreg` WHERE `username`=? AND `realm`=?", username, module.host);
-+	local stmt, err = getsql("SELECT `s`.`password`, COALESCE(`p`.`value`, 0) AS `locklevel` FROM `subscriber` AS `s` LEFT JOIN usr_preferences AS `p` ON `p`.`username` = `s`.`username` AND `p`.`domain` = `s`.`domain` AND `p`.`attribute` = 'lock' WHERE `s`.`username`= ? AND `s`.`domain`= ?", username, module.host);
++	local stmt, err = getsql("SELECT `s`.`password`, COALESCE(`p`.`value`, 0) AS `locklevel` FROM `subscriber` AS `s` LEFT JOIN usr_preferences AS `p` ON `p`.`username` = `s`.`username` AND `p`.`domain` = `s`.`domain` AND `p`.`attribute` = 'lock' WHERE `s`.`username`= ? AND lower(`s`.`domain`)= ?", username, module.host);
  	if stmt then
  		for row in stmt:rows(true) do
 -			return row.password;
@@ -31,7 +31,7 @@ index 2947a91..237ad28 100644
  
  function provider.users()
 -	local stmt, err = getsql("SELECT `username` FROM `authreg` WHERE `realm`=?", module.host);
-+	local stmt, err = getsql("SELECT `username` FROM `subscriber` WHERE `domain`=?", module.host);
++	local stmt, err = getsql("SELECT `username` FROM `subscriber` WHERE lower(`domain`)=?", module.host);
  	if stmt then
  		local next, state = stmt:rows(true)
  		return function()