[Samba] integrated mail+ftp+samba+proxy auth mysql

Hello all thanks for the open source project I'm campus network administrator and I try to implement single-sign on with auth backend using mysql database!!! I have searched server that we need that using mysql as auth module for *nix and windows desktop and found : mail server -- qmail +

[Samba] applying patch

sorry this is maybe a silly question, but this is because am still newbie there is anybosy can help me patcing a patch to samba source tree i have do this but fail # cd samba-2.2.5/source # patch -p1 /usr/src/ldap_start_tls.patch -- --- -- file to patch : ?? please help me regard anton