42 lines
1 KiB
C
42 lines
1 KiB
C
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#pragma once
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#include "buffer.h"
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#include <stdbool.h>
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typedef enum {
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NOERROR, // 0
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FORMERR, // 1
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SERVFAIL, // 2
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NXDOMAIN, // 3,
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NOTIMP, // 4
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REFUSED, // 5
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} ResultCode;
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uint8_t rescode_to_id(ResultCode code);
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ResultCode rescode_from_id(uint8_t id);
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typedef struct {
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uint16_t id;
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bool recursion_desired; // 1 bit
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bool truncated_message; // 1 bit
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bool authorative_answer; // 1 bit
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uint8_t opcode; // 4 bits
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bool response; // 1 bit
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ResultCode rescode; // 4 bits
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bool checking_disabled; // 1 bit
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bool authed_data; // 1 bit
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bool z; // 1 bit
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bool recursion_available; // 1 bit
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uint16_t questions; // 16 bits
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uint16_t answers; // 16 bits
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uint16_t authoritative_entries; // 16 bits
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uint16_t resource_entries; // 16 bits
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} Header;
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void read_header(PacketBuffer* buffer, Header* header);
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void write_header(PacketBuffer* buffer, Header* header);
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