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Exception: Got OPC UA Error: b'' (00008780ffffffff) #5

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Exception: Got OPC UA Error: b'' (00008780ffffffff) #5

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13 changes: 4 additions & 9 deletions protocol.py
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Original file line number Diff line number Diff line change
Expand Up @@ -229,8 +229,7 @@ def send_activate_msg(self, reset_sequence=False):
self.req_number = activate_session_parsed.opc_data.request_id_number - 1 # we always increase before use
# Activate
activate_session_parsed.opc_data.secure_channel_id = self.secure_channel_id
if self.program_type == PROGRAM_NAME_IGNITION or self.program_type == PROGRAM_NAME_S2OPC:
activate_session_parsed.opc_data.security_token_id = self.secure_token_id
activate_session_parsed.opc_data.security_token_id = self.secure_token_id
activate_session_parsed.opc_data.object.object.auth_token.main_object = self.auth_id
activate_session_build = OPCUA_MESSAGE.build(activate_session_parsed)
print("[-] Sending Activate message with {} bytes".format(len(activate_session_build)))
Expand Down Expand Up @@ -279,11 +278,8 @@ def create_session(self, open_timestamp=None, session_name=None, create_malforme
create_session_parsed = OPCUA_MESSAGE.parse(create_raw)
create_session_parsed.opc_data.secure_channel_id = self.secure_channel_id

# Open62541 requires token id be same as channel id
if self.program_type == PROGRAM_NAME_OPEN62541:
create_session_parsed.opc_data.security_token_id = self.secure_channel_id
if self.program_type == PROGRAM_NAME_IGNITION or self.program_type == PROGRAM_NAME_S2OPC:
create_session_parsed.opc_data.security_token_id = self.secure_token_id
# TokenId must match what the server returned in the OPN response
create_session_parsed.opc_data.security_token_id = self.secure_token_id

if self.session_timeout:
create_session_parsed.opc_data.object.object.request_session_timeout = self.session_timeout
Expand Down Expand Up @@ -324,8 +320,7 @@ def create_session(self, open_timestamp=None, session_name=None, create_malforme
# Activate
activate_session_parsed = OPCUA_MESSAGE.parse(activate_raw)
activate_session_parsed.opc_data.secure_channel_id = self.secure_channel_id
if self.program_type == PROGRAM_NAME_IGNITION or self.program_type == PROGRAM_NAME_S2OPC:
activate_session_parsed.opc_data.security_token_id = self.secure_token_id
activate_session_parsed.opc_data.security_token_id = self.secure_token_id
activate_session_parsed.opc_data.object.object.auth_token.main_object = self.auth_id
activate_session_build = OPCUA_MESSAGE.build(activate_session_parsed)
print("[-] Sending Activate message with {} bytes".format(len(activate_session_build)))
Expand Down