I have problem when I decode Dnstap using Python












0















I have task to decode Dnstap (it's Google Protocol Buffer type us I understand) using Python. So, I have something like this:



x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01


and I want get something like this:



type: MESSAGE
identity: "pdns"
version: "dnsdist 1.3.3"
message:
type: CLIENT_QUERY
query_time: !!timestamp 2018-01-22 14:56:12.000838207
socket_family: INET
socket_protocol: UDP
query_address: 134.249.139.145
response_address: 193.41.00.8
query_port: 32344
response_port: 33
query_message: |
;; opcode: QUERY, status: NOERROR, id: 3418
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.nwsvr3.com. IN A
---


By when I decode, I get:



identity: "pdns"
version: "dnist 1.3.3"
message {
type: CLIENT_QUERY
socket_family: INET
socket_protocol: UDP
query_address: "206371227270"
response_address: "301)<10"
query_port: 55056
response_port: 53
query_time_sec: 1542879435
query_time_nsec: 271574
query_message: "2123000100000100000000000003crlnglobsign03net0000010001"
}
type: MESSAGE


You can see, what labels: query_address, response_address, query_message dint decode. Can someone help me?
I spent a lot of time but I am not understand how do this.
My Python code:



from proto_example.generated.message_pb2 import Dnstap

test = "x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01"
m = Dnstap()
m.ParseFromString(test)
print(m)


Where proto_example.generated.message_pb2 its .py format file, which I get, when do this line in terminal:



protoc -I . --python_out=. dnstap.proto


Thank you very much.










share|improve this question

























  • Please edit your question to show us the Python code that is doing the decoding. You're asking us to point to the error in code we can't see. It is clear that the decoding is going wrong at query_address and since that is wrong, everything after it will be wrong too.

    – BoarGules
    Jan 3 at 15:43
















0















I have task to decode Dnstap (it's Google Protocol Buffer type us I understand) using Python. So, I have something like this:



x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01


and I want get something like this:



type: MESSAGE
identity: "pdns"
version: "dnsdist 1.3.3"
message:
type: CLIENT_QUERY
query_time: !!timestamp 2018-01-22 14:56:12.000838207
socket_family: INET
socket_protocol: UDP
query_address: 134.249.139.145
response_address: 193.41.00.8
query_port: 32344
response_port: 33
query_message: |
;; opcode: QUERY, status: NOERROR, id: 3418
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.nwsvr3.com. IN A
---


By when I decode, I get:



identity: "pdns"
version: "dnist 1.3.3"
message {
type: CLIENT_QUERY
socket_family: INET
socket_protocol: UDP
query_address: "206371227270"
response_address: "301)<10"
query_port: 55056
response_port: 53
query_time_sec: 1542879435
query_time_nsec: 271574
query_message: "2123000100000100000000000003crlnglobsign03net0000010001"
}
type: MESSAGE


You can see, what labels: query_address, response_address, query_message dint decode. Can someone help me?
I spent a lot of time but I am not understand how do this.
My Python code:



from proto_example.generated.message_pb2 import Dnstap

test = "x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01"
m = Dnstap()
m.ParseFromString(test)
print(m)


Where proto_example.generated.message_pb2 its .py format file, which I get, when do this line in terminal:



protoc -I . --python_out=. dnstap.proto


Thank you very much.










share|improve this question

























  • Please edit your question to show us the Python code that is doing the decoding. You're asking us to point to the error in code we can't see. It is clear that the decoding is going wrong at query_address and since that is wrong, everything after it will be wrong too.

    – BoarGules
    Jan 3 at 15:43














0












0








0


1






I have task to decode Dnstap (it's Google Protocol Buffer type us I understand) using Python. So, I have something like this:



x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01


and I want get something like this:



type: MESSAGE
identity: "pdns"
version: "dnsdist 1.3.3"
message:
type: CLIENT_QUERY
query_time: !!timestamp 2018-01-22 14:56:12.000838207
socket_family: INET
socket_protocol: UDP
query_address: 134.249.139.145
response_address: 193.41.00.8
query_port: 32344
response_port: 33
query_message: |
;; opcode: QUERY, status: NOERROR, id: 3418
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.nwsvr3.com. IN A
---


By when I decode, I get:



identity: "pdns"
version: "dnist 1.3.3"
message {
type: CLIENT_QUERY
socket_family: INET
socket_protocol: UDP
query_address: "206371227270"
response_address: "301)<10"
query_port: 55056
response_port: 53
query_time_sec: 1542879435
query_time_nsec: 271574
query_message: "2123000100000100000000000003crlnglobsign03net0000010001"
}
type: MESSAGE


You can see, what labels: query_address, response_address, query_message dint decode. Can someone help me?
I spent a lot of time but I am not understand how do this.
My Python code:



from proto_example.generated.message_pb2 import Dnstap

test = "x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01"
m = Dnstap()
m.ParseFromString(test)
print(m)


Where proto_example.generated.message_pb2 its .py format file, which I get, when do this line in terminal:



protoc -I . --python_out=. dnstap.proto


Thank you very much.










share|improve this question
















I have task to decode Dnstap (it's Google Protocol Buffer type us I understand) using Python. So, I have something like this:



x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01


and I want get something like this:



type: MESSAGE
identity: "pdns"
version: "dnsdist 1.3.3"
message:
type: CLIENT_QUERY
query_time: !!timestamp 2018-01-22 14:56:12.000838207
socket_family: INET
socket_protocol: UDP
query_address: 134.249.139.145
response_address: 193.41.00.8
query_port: 32344
response_port: 33
query_message: |
;; opcode: QUERY, status: NOERROR, id: 3418
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.nwsvr3.com. IN A
---


By when I decode, I get:



identity: "pdns"
version: "dnist 1.3.3"
message {
type: CLIENT_QUERY
socket_family: INET
socket_protocol: UDP
query_address: "206371227270"
response_address: "301)<10"
query_port: 55056
response_port: 53
query_time_sec: 1542879435
query_time_nsec: 271574
query_message: "2123000100000100000000000003crlnglobsign03net0000010001"
}
type: MESSAGE


You can see, what labels: query_address, response_address, query_message dint decode. Can someone help me?
I spent a lot of time but I am not understand how do this.
My Python code:



from proto_example.generated.message_pb2 import Dnstap

test = "x00cnx04pdnsx12rdnsst 1.3.3rJx08x05x10x01x18x01"x04dOCxa7*x04xc1)<x080x8cx9fx0185@xcbxf1xd9xdfx05Mxc6x10x04x00R%?xa2x01x00x00x01x00x00x00x00x00x00x04playngoogleapisx03comx00x00x01x00x01xx01x00bnx04pdnsx12rdnsdist 1.3.3rIx08x05x10x01x18x01"x04x86xf9x97xb8*x04xc1)<x080x90xaex0385@xcbxf1xd9xdfx05Mxd6$x04x00R$x8axc0x01x00x00x01x00x00x00x00x00x00x03crlnglobaignx03netx00x00x01x00x01xx01"
m = Dnstap()
m.ParseFromString(test)
print(m)


Where proto_example.generated.message_pb2 its .py format file, which I get, when do this line in terminal:



protoc -I . --python_out=. dnstap.proto


Thank you very much.







python protocol-buffers






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 3 at 15:55







Dmytro Tsylyuryk

















asked Jan 3 at 15:33









Dmytro TsylyurykDmytro Tsylyuryk

13




13













  • Please edit your question to show us the Python code that is doing the decoding. You're asking us to point to the error in code we can't see. It is clear that the decoding is going wrong at query_address and since that is wrong, everything after it will be wrong too.

    – BoarGules
    Jan 3 at 15:43



















  • Please edit your question to show us the Python code that is doing the decoding. You're asking us to point to the error in code we can't see. It is clear that the decoding is going wrong at query_address and since that is wrong, everything after it will be wrong too.

    – BoarGules
    Jan 3 at 15:43

















Please edit your question to show us the Python code that is doing the decoding. You're asking us to point to the error in code we can't see. It is clear that the decoding is going wrong at query_address and since that is wrong, everything after it will be wrong too.

– BoarGules
Jan 3 at 15:43





Please edit your question to show us the Python code that is doing the decoding. You're asking us to point to the error in code we can't see. It is clear that the decoding is going wrong at query_address and since that is wrong, everything after it will be wrong too.

– BoarGules
Jan 3 at 15:43












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