49 lines
1.5 KiB
OCaml
49 lines
1.5 KiB
OCaml
let dns_header (header : Types.dns_header) =
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Printf.sprintf
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"{ \"id\": %d, \"flags\": %d, \"num_questions\": %d, \"num_answers\": %d, \
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\"num_authorities\": %d, \"num_additionals\": %d }"
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header.id
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header.flags
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header.num_questions
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header.num_answers
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header.num_authorities
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header.num_additionals
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;;
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let dns_question (question : Types.dns_question) =
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Printf.sprintf
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"{ \"name\": \"%s\", \"type_\": %d, \"class_\": %d }"
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(Bytes.to_string question.name)
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question.type_
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question.class_
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;;
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let dns_record ?(json = false) (record : Types.dns_record) =
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Printf.sprintf
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"{ \"name\": \"%s\", \"type_\": %d, \"class_\": %d, \"ttl\": %d, \"data\": \"%s\" }"
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(Bytes.to_string record.name)
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record.type_
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record.class_
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record.ttl
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(if Bytes.length record.data = 4
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then Utils.get_ip record.data
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else Utils.get_bytecode ~json record.data)
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;;
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let dns_packet (record : Types.dns_packet) =
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let list l =
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String.concat
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", "
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(match l with
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| `Question lq -> List.map (fun el -> dns_question el) lq
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| `Record lr -> List.map (fun el -> dns_record ~json:true el) lr)
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in
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Printf.sprintf
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"{ \"header\": %s, \"questions\": [%s], \"answers\": [%s], \"authorities\": [%s], \
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\"additionals\": [%s] }"
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(dns_header record.header)
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(list (`Question record.questions))
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(list (`Record record.answers))
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(list (`Record record.authorities))
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(list (`Record record.additionals))
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;;
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