def recvData(self, data):
"""
@summary: Main receive method
@param data: {Stream}
"""
opcode = UInt8()
data.readType(opcode)
if self.readMCSPDUHeader(opcode.value, DomainMCSPDU.DISCONNECT_PROVIDER_ULTIMATUM):
log.info("MCS DISCONNECT_PROVIDER_ULTIMATUM")
self._transport.close()
return
#client case
elif not self.readMCSPDUHeader(opcode.value, self._receiveOpcode):
raise InvalidExpectedDataException("Invalid expected MCS opcode receive data")
#server user id
per.readInteger16(data, Channel.MCS_USERCHANNEL_BASE)
channelId = per.readInteger16(data)
per.readEnumerates(data)
per.readLength(data)
#channel id doesn't match a requested layer
if not self._channels.has_key(channelId):
log.error("receive data for an unconnected layer")
return
self._channels[channelId].recv(data)
def readConferenceCreateRequest(s):
"""
@summary: Read a response from client
GCC create request
@param s: Stream
@param client settings (Settings)
"""
per.readChoice(s)
per.readObjectIdentifier(s, t124_02_98_oid)
per.readLength(s)
per.readChoice(s)
per.readSelection(s)
per.readNumericString(s, 1)
per.readPadding(s, 1)
if per.readNumberOfSet(s) != 1:
raise InvalidExpectedDataException(
"Invalid number of set in readConferenceCreateRequest")
if per.readChoice(s) != 0xc0:
raise InvalidExpectedDataException(
"Invalid choice in readConferenceCreateRequest")
per.readOctetStream(s, h221_cs_key, 4)
length = per.readLength(s)
clientSettings = Settings(readLen=CallableValue(length))
s.readType(clientSettings)
return clientSettings
def readConferenceCreateRequest(s):
"""
Read a response from client
GCC create request
@param s: Stream
@param client settings (Settings)
"""
per.readChoice(s)
per.readObjectIdentifier(s, t124_02_98_oid)
per.readLength(s)
per.readChoice(s)
per.readSelection(s)
per.readNumericString(s, 1)
per.readPadding(s, 1)
if per.readNumberOfSet(s) != 1:
raise InvalidExpectedDataException("Invalid number of set in readConferenceCreateRequest")
if per.readChoice(s) != 0xc0:
raise InvalidExpectedDataException("Invalid choice in readConferenceCreateRequest")
per.readOctetStream(s, h221_cs_key, 4)
length = per.readLength(s)
clientSettings = Settings(readLen = UInt32Le(length))
s.readType(clientSettings)
return clientSettings
def recvData(self, data):
"""
@summary: Main receive method
@param data: {Stream}
"""
opcode = UInt8()
data.readType(opcode)
if self.readMCSPDUHeader(opcode.value,
DomainMCSPDU.DISCONNECT_PROVIDER_ULTIMATUM):
log.info("MCS DISCONNECT_PROVIDER_ULTIMATUM")
self._transport.close()
return
#client case
elif not self.readMCSPDUHeader(opcode.value, self._receiveOpcode):
raise InvalidExpectedDataException(
"Invalid expected MCS opcode receive data")
#server user id
per.readInteger16(data, Channel.MCS_USERCHANNEL_BASE)
channelId = per.readInteger16(data)
per.readEnumerates(data)
per.readLength(data)
#channel id doesn't match a requested layer
if not self._channels.has_key(channelId):
log.error("receive data for an unconnected layer")
return
self._channels[channelId].recv(data)
def readServerDataBlocks(s):
'''
read gcc server data blocks
and return result in Server Settings object
@param s: Stream
@return: ServerSettings
'''
settings = ServerSettings()
length = per.readLength(s)
while length > 0:
marker = s.readLen()
blockType = UInt16Le()
blockLength = UInt16Le()
s.readType((blockType, blockLength))
#read core block
if blockType == ServerToClientMessage.SC_CORE:
s.readType(settings.core)
#read network block
elif blockType == ServerToClientMessage.SC_NET:
settings.channelsId = readServerSecurityData(s)
#read security block
#unused in rdpy because use SSL layer
elif blockType == ServerToClientMessage.SC_SECURITY:
s.readType(settings.security)
else:
print "Unknow server block %s" % hex(type)
length -= blockLength.value
s.seek(marker + blockLength.value)
return settings
def readServerDataBlocks(s):
'''
read gcc server data blocks
and return result in Server Settings object
@param s: Stream
@return: ServerSettings
'''
settings = ServerSettings()
length = per.readLength(s)
while length > 0:
marker = s.readLen()
blockType = UInt16Le()
blockLength = UInt16Le()
s.readType((blockType, blockLength))
#read core block
if blockType == ServerToClientMessage.SC_CORE:
s.readType(settings.core)
#read network block
elif blockType == ServerToClientMessage.SC_NET:
settings.channelsId = readServerSecurityData(s)
#read security block
#unused in rdpy because use SSL layer
elif blockType == ServerToClientMessage.SC_SECURITY:
s.readType(settings.security)
else:
print "Unknow server block %s"%hex(type)
length -= blockLength.value
s.seek(marker + blockLength.value)
return settings
def readConferenceCreateResponse(s):
'''
read response from server
and return server settings read from this response
@param s: Stream
@return: ServerSettings
'''
per.readChoice(s)
per.readObjectIdentifier(s, t124_02_98_oid)
per.readLength(s)
per.readChoice(s)
per.readInteger16(s, 1001)
per.readInteger(s)
per.readEnumerates(s)
per.readNumberOfSet(s)
per.readChoice(s)
if not per.readOctetStream(s, h221_sc_key, 4):
raise InvalidExpectedDataException("cannot read h221_sc_key")
return readServerDataBlocks(s)
def readConferenceCreateResponse(s):
'''
read response from server
and return server settings read from this response
@param s: Stream
@return: ServerSettings
'''
per.readChoice(s)
per.readObjectIdentifier(s, t124_02_98_oid)
per.readLength(s)
per.readChoice(s)
per.readInteger16(s, 1001)
per.readInteger(s)
per.readEnumerates(s)
per.readNumberOfSet(s)
per.readChoice(s)
if not per.readOctetStream(s, h221_sc_key, 4):
raise InvalidExpectedDataException("cannot read h221_sc_key")
return readServerDataBlocks(s)
def readConferenceCreateResponse(s):
"""
@summary: Read response from server
and return server settings read from this response
@param s: Stream
@return: ServerSettings
"""
per.readChoice(s)
per.readObjectIdentifier(s, t124_02_98_oid)
per.readLength(s)
per.readChoice(s)
per.readInteger16(s, 1001)
per.readInteger(s)
per.readEnumerates(s)
per.readNumberOfSet(s)
per.readChoice(s)
if not per.readOctetStream(s, h221_sc_key, 4):
raise InvalidExpectedDataException("cannot read h221_sc_key")
length = per.readLength(s)
serverSettings = Settings(readLen=CallableValue(length))
s.readType(serverSettings)
return serverSettings
def readConferenceCreateResponse(s):
"""
Read response from server
and return server settings read from this response
@param s: Stream
@return: ServerSettings
"""
per.readChoice(s)
per.readObjectIdentifier(s, t124_02_98_oid)
per.readLength(s)
per.readChoice(s)
per.readInteger16(s, 1001)
per.readInteger(s)
per.readEnumerates(s)
per.readNumberOfSet(s)
per.readChoice(s)
if not per.readOctetStream(s, h221_sc_key, 4):
raise InvalidExpectedDataException("cannot read h221_sc_key")
length = per.readLength(s)
serverSettings = Settings(readLen = UInt32Le(length))
s.readType(serverSettings)
return serverSettings