-----------------------------------------------------------------
-- Name: SQLNewUserDetected.lua
-- Author: Kevin Prestage
-- Required INM version: 3.3
-- Version: 1.0
-- Date: 2007-09-21
-- Description: This script will check the master database
-- for a list of all logins and go into alarm state if there is
-- a user set up for the server that was not there in the last
-- check.
--
-- Arguments:
-- 1) Server Name

-----------------------------------------------------------------

--grab the parameters
servername = GetArgument(0);


--create a TLuaDB object and connect to the database.
db = TLuaDB();
con = servername .. "@master";
x = db:Connect(con,TLuaDB.CLIENT_SQLSERVER);

--set the sql statement to run against the db
sql = "select '[' + name + ']' from master..syslogins";

--create variables to store results.
result = "";
count = 0;
newstring = "";


--get the stored value from the last check.
s = TLuaStorage();
i = s:FindItem("syslogins","syslogins");
if (i == nil) then
    b = s:CreateItem("syslogins","syslogins");
    i = s:FindItem("syslogins","syslogins");

end

laststring = i.m_pData;

if (laststring == nil) then
    laststring = "";
end

print(laststring);
--if the db connection succeeded we can now execute our sql statement.
if (x == true) then
    x = db:Execute(sql);

    --read the results of the statement.
    if (db:ResultAvilable() == true) then
        while (db:NextRow() == true) do
            count = count + 1;
            current = db:GetCol(1);
            found = string.find(laststring,current );
            if (found == nill) then
                x = false;
                result = result .. "User " .. current .. " appears to be new.\n";
            end
            newstring = newstring..current;
        end
    end


else
    result = db:GetErrorDescription();
end


s:UpdateItem("syslogins","syslogins",newstring,string.len(newstring));

StoreStatisticalData(0,count,0,"Users");

if (result == "") then
    result = "No New Users Found!";
end

SetExitStatus(result, x)