Python Message.get_string方法代码示例

# 需要导入模块: from message import Message [as 别名]
# 或者: from message.Message import get_string [as 别名]
 def __init__(self, msg=None, data=None, filename=None, password=None, vals=None, file_obj=None):
     self.p = None
     self.q = None
     self.g = None
     self.y = None
     self.x = None
     if file_obj is not None:
         self._from_private_key(file_obj, password)
         return
     if filename is not None:
         self._from_private_key_file(filename, password)
         return
     if (msg is None) and (data is not None):
         msg = Message(data)
     if vals is not None:
         self.p, self.q, self.g, self.y = vals
     else:
         if msg is None:
             raise SSHException('Key object may not be empty')
         if msg.get_string() != 'ssh-dss':
             raise SSHException('Invalid key')
         self.p = msg.get_mpint()
         self.q = msg.get_mpint()
         self.g = msg.get_mpint()
         self.y = msg.get_mpint()
     self.size = util.bit_length(self.p)

# 需要导入模块: from message import Message [as 别名]
# 或者: from message.Message import get_string [as 别名]
    def _parse_userauth_request(self, m):
        if not self.transport.server_mode:
            # er, uh... what?
            m = Message()
            m.add_byte(chr(MSG_USERAUTH_FAILURE))
            m.add_string('none')
            m.add_boolean(0)
            self.transport._send_message(m)
            return
        if self.authenticated:
            # ignore
            return
        username = m.get_string()
        service = m.get_string()
        method = m.get_string()
        self.transport._log(DEBUG, 'Auth request (type=%s) service=%s, username=%s' % (method, service, username))
        if service != 'ssh-connection':
            self._disconnect_service_not_available()
            return
        if (self.auth_username is not None) and (self.auth_username != username):
            self.transport._log(WARNING, 'Auth rejected because the client attempted to change username in mid-flight')
            self._disconnect_no_more_auth()
            return
        self.auth_username = username

        if method == 'none':
            result = self.transport.server_object.check_auth_none(username)
        elif method == 'password':
            changereq = m.get_boolean()
            password = m.get_string()
            try:
                password = password.decode('UTF-8')
            except UnicodeError:
                # some clients/servers expect non-utf-8 passwords!
                # in this case, just return the raw byte string.
                pass
            if changereq:
                # always treated as failure, since we don't support changing passwords, but collect
                # the list of valid auth types from the callback anyway
                self.transport._log(DEBUG, 'Auth request to change passwords (rejected)')
                newpassword = m.get_string()
                try:
                    newpassword = newpassword.decode('UTF-8', 'replace')
                except UnicodeError:
                    pass
                result = AUTH_FAILED
            else:
                result = self.transport.server_object.check_auth_password(username, password)
        elif method == 'publickey':
            sig_attached = m.get_boolean()
            keytype = m.get_string()
            keyblob = m.get_string()
            try:
                key = self.transport._key_info[keytype](Message(keyblob))
            except SSHException, e:
                self.transport._log(INFO, 'Auth rejected: public key: %s' % str(e))
                key = None
            except:

# 需要导入模块: from message import Message [as 别名]
# 或者: from message.Message import get_string [as 别名]
         self._disconnect_no_more_auth()
         return
     # first check if this key is okay... if not, we can skip the verify
     result = self.transport.server_object.check_auth_publickey(username, key)
     if result != AUTH_FAILED:
         # key is okay, verify it
         if not sig_attached:
             # client wants to know if this key is acceptable, before it
             # signs anything...  send special "ok" message
             m = Message()
             m.add_byte(chr(MSG_USERAUTH_PK_OK))
             m.add_string(keytype)
             m.add_string(keyblob)
             self.transport._send_message(m)
             return
         sig = Message(m.get_string())
         blob = self._get_session_blob(key, service, username)
         if not key.verify_ssh_sig(blob, sig):
             self.transport._log(INFO, 'Auth rejected: invalid signature')
             result = AUTH_FAILED
 elif method == 'keyboard-interactive':
     lang = m.get_string()
     submethods = m.get_string()
     result = self.transport.server_object.check_auth_interactive(username, submethods)
     if isinstance(result, InteractiveQuery):
         # make interactive query instead of response
         self._interactive_query(result)
         return
 else:
     result = self.transport.server_object.check_auth_none(username)
 # okay, send result