factory.py 文件源码

def getPrivateKeys(self):
        ks = {}
        euid,egid = os.geteuid(), os.getegid()
        os.setegid(0) # gain priviledges
        os.seteuid(0)
        for file in os.listdir(self.dataRoot):
            if file[:9] == 'ssh_host_' and file[-4:]=='_key':
                try:
                    k = keys.getPrivateKeyObject(self.dataRoot+'/'+file)
                    t = keys.objectType(k)
                    ks[t] = k
                except Exception, e:
                    log.msg('bad private key file %s: %s' % (file, e))
        os.setegid(egid) # drop them just as quickily
        os.seteuid(euid)
        return ks