kwalify structure schema, eth-frame, tcp and a example (which is tcp...)
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Marcel
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# Example YAML protocol structure
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protocol: &tcp
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name: TCP
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fields:
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-
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field: source port
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length: 2
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-
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field: destination port
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length: 2
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-
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field: sequence number
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length: 4
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-
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field: acknowledgment number
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length: 4
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-
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field: data offset
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bitfield: yes
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length: 4
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-
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field: reserved
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bitfield: yes
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length: 6
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-
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field: URG
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bitfield: yes
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length: 1
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-
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field: ACK
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bitfield: yes
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length: 1
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-
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field: PSH
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bitfield: yes
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length: 1
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-
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field: RST
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bitfield: yes
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length: 1
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-
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field: SYN
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bitfield: yes
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length: 1
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-
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field: FIN
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bitfield: yes
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length: 1
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-
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field: window
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length: 2
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-
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field: checksum
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length: 2
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-
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field: options
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length: 4
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optional: true
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repeatable: true
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-
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field: data
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length: 0
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data: true
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osilayer: 4
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@ -0,0 +1,45 @@
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#Ethernet
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---
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protocol: ð
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name: eth
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osilayer: 2
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fields:
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-
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field: destination MAC
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length: 6
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-
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field: source MAC
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length: 6
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-
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field: vlan tag
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length: 4
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subfields:
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-
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field: tag protocol identifier (0x8100)
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length: 2
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-
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field: tag control information
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length: 2
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subfields:
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-
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field: priority code point (PCP)
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bitfield: yes
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length: 3
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-
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field: drop eligible indicator (DEI)
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bitfield: yes
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length: 1
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-
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field: VLAN identifier (VID)
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bitfield: yes
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length: 12
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-
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field: Ethertype (Eth II) or length (IEEE 802.3)
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length: 2
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-
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field: data
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length: 0
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data: true
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-
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field: FCS (32-bit CRC)
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length: 4
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@ -0,0 +1,64 @@
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---
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protocol: &tcp
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name: TCP
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fields:
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-
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field: source port
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length: 2
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-
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field: destination port
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length: 2
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-
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field: sequence number
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length: 4
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-
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field: acknowledgment number
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length: 4
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-
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field: data offset
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bitfield: yes
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length: 4
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-
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field: reserved
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bitfield: yes
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length: 6
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-
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field: URG
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bitfield: yes
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length: 1
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-
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field: ACK
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bitfield: yes
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length: 1
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-
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field: PSH
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bitfield: yes
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length: 1
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-
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field: RST
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bitfield: yes
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length: 1
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-
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field: SYN
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bitfield: yes
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length: 1
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-
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field: FIN
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bitfield: yes
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length: 1
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-
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field: window
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length: 2
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-
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field: checksum
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length: 2
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-
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field: options
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length: 4
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optional: true
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repeatable: true
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-
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field: data
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length: 0
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data: true
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osilayer: 4
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@ -0,0 +1,36 @@
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type: map
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mapping:
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"protocol":
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type: map
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required: yes
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mapping:
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"name":
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type: str
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required: yes
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"fields":
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type: seq
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required: yes
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sequence: &fieldsseq
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- type: map
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mapping:
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"field":
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type: str
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required: yes
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"length": #length in bytes, except bitfield is set to true!
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type: int
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required: yes
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"bitfield": #if this is true length is in BITS!
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type: bool
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"optional":
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type: bool
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"repeatable":
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type: bool
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"data": #data placeholder for next layer (length should be 0!)
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type: bool
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"subfields":
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type: seq
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sequence: *fieldsseq
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"osilayer":
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type: int
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range: { max: 7, min: 1 }
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required: yes
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