33 lines
785 B
C
33 lines
785 B
C
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struct dns_header {
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uint16_t id;
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boolean qr, aa, tc, rd, ra;
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char opcode, z, rcode;
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size_t question_count;
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size_t answer_count;
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size_t authority_count;
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size_t additional_count;
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};
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struct dns_question {
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char** qname; // change to whatever format you want; I'm assuming you'll keep the length-prefixed terms.
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uint16_t qtype;
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uint16_t qclass;
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};
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struct dns_rr {
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char* name;
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uint16_t type;
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uint16_t class;
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uint32_t ttl; // cmos is also acceptable.
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uint16_t rdlength;
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union {
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// various types of rdata-specific data here...
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};
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};
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typedef struct dns_message {
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struct dns_header header;
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struct dns_question *questions; // end all these with null, just to be sure.
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struct dns_rr *answers;
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struct dns_rr *authority;
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struct dns_rr *additional;
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}
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