daemon.py 文件源码

def _drop_priv(self):
        if os.getuid() != 0:
            return
        groups = list(set([ g.gr_gid for g in grp.getgrall() if self.pw.pw_name in g.gr_mem ] + [ self.pw.pw_gid]))
        os.setgroups(groups)
        os.setresgid(self.pw.pw_gid, self.pw.pw_gid, self.pw.pw_gid)
        os.setresuid(self.pw.pw_uid, self.pw.pw_uid, self.pw.pw_uid)