我正在使用 pysmb 库 查询 SMB/CIFS 网络共享上的共享/目录结构。
def ListShares(Server, Username=None, Password=None, Domain=None):
Ip = socket.gethostbyname(Server)
conn = SMBConnection(Username,
Password,
'MyApp',
Server,
Domain,
use_ntlm_v2=True,
sign_options=SMBConnection.SIGN_WHEN_SUPPORTED,
is_direct_tcp=True)
assert conn.connect(Ip)
Response = conn.listShares(timeout=30)
return [{'Name': x.name,
'Type': x.type,
'IsTemporary': x.isTemporary,
'Comments': x.comments} for x in Response if not x.isSpecial]
当连接到运行 samba 的 Linux 机器时,我可以正常连接并且一切正常。当我尝试连接到 Win7/SBS2008/Server2008 共享时,出现错误。
如果
is_direct_tcp=True
,我会得到 Invalid protocol header for Direct TCP session message
File ".../MyApp/Managers/SmbHelper.py", line 38, in ListShares assert conn.connect(Ip)
File "/opt/pyenv/lib/python3.3/site-packages/smb/SMBConnection.py", line 111, in connect self._pollForNetBIOSPacket(timeout)
File "/opt/pyenv/lib/python3.3/site-packages/smb/SMBConnection.py", line 504, in _pollForNetBIOSPacket self.feedData(data)
File "/opt/pyenv/lib/python3.3/site-packages/nmb/base.py", line 49, in feedData length = self.data_nmb.decode(self.data_buf, offset)
File "/opt/pyenv/lib/python3.3/site-packages/nmb/nmb_structs.py", line 60, in decode raise NMBError("Invalid protocol header for Direct TCP session message")
如果
is_direct_tcp=False
,我会得到 NotConnectedError
File ".../MyApp/Managers/SmbHelper.py", line 38, in ListShares assert conn.connect(Ip)
File "/opt/pyenv/lib/python3.3/lib/site-packages/smb/SMBConnection.py", line 111, in connect self._pollForNetBIOSPacket(timeout)
File "/opt/pyenv/lib/python3.3/lib/site-packages/smb/SMBConnection.py", line 466, in _pollForNetBIOSPacket raise NotConnectedError
我碰壁了。我怎样才能找出到底出了什么问题并修复它?
进一步诊断...
smbclient -L linux.domain.local -U MyUsername -W domain //Works
smbclient -L linux.domain.local -U MyUsername@domain //Doesn't work (Auth failed)
smbclient -L windows.domain.local -U MyUsername -W domain //Doesn't work (Auth failed)
smbclient -L windows.domain.local -U MyUsername@domain //Works
smbclient -L [either].domain.local -U MyUsername@domain -W domain //Works, despite redundancy
因此,Linux 似乎是从
-W
参数获取域,Windows 从 Username@Domain
语法获取域,并且提供两者都会使 smbclient
调用成功到任一服务器。不幸的是,即使我使用 @Domain
语法,从 pysmb 内部连接到 Windows 也不会成功。
有3个问题......首先,当
use_direct_tcp
= True
时,port
需要是445
。当它是False
时,端口应该是139
。使用 Python3 的模块时还存在一个错误(字节编码不正确)。最后,它与服务器通信的方式存在问题(至少在连接到 Windows 机器而不是 Linux samba 服务器时)。
该模块的作者 Michael Teo 开发了一个修复程序,我们已经测试并有效。他计划很快更新该软件包。
我不确定这对你的情况是否有帮助,但它对我有用:
SmbConnection
的第三个参数应该是(我认为)client_machine_name
,所以我将我从socket.gethostname()
得到的东西传递给那里。我没有使用
sign_options
和 is_direct_tcp
我只是保留默认值。这对我来说适用于 samba 和 windows 共享(有时我只需传递不同的端口号)。
这是我使用的代码:
class Smb(object):
def __init__(self, username, password, server, share, port=139):
# split username if it contains a domain (domain\username)
domain, username = username.split('\\') if username.count('\\') == 1 else ('', username)
# setup data
self.domain = str(domain)
self.username = str(username)
self.password = str(password)
self.client = socket.gethostname()
self.server = str(server)
self.server_ip = socket.gethostbyname(server)
self.share = str(share)
self.port = port
self.conn = None
self.connected = False
# SMB.SMBConnection logs too much
smb_logger = logging.getLogger('SMB.SMBConnection')
smb_logger.setLevel(logging.WARNING)
def connect(self):
try:
self.conn = SMBConnection(self.username, self.password,
self.client, self.server,
use_ntlm_v2=True, domain=self.domain)
self.connected = self.conn.connect(self.server_ip, self.port)
logger.info('Connected to %s' % self.server)
return self.connected
except Exception, e:
logger.error('Connect failed. Reason: %s', e)
return False
并将其用作:
smb = Smb('domain\\user', 'password', 'server', 'share_name')
对我来说,当我使用 server_ip = socket.gethostbyname(servername) 时它就起作用了。最初我尝试通过硬编码 Ip 地址来连接它。但未能列出目录中的文件