36 lines
843 B
C++
36 lines
843 B
C++
#include "dns.hh"
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#include "safearray.hh"
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#include "dns-storage.hh"
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struct DNSMessageReader
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{
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struct dnsheader dh=dnsheader{};
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SafeArray<500> payload;
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dnsname getName();
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void getQuestion(dnsname& name, DNSType& type);
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std::string serialize() const;
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};
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struct DNSMessageWriter
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{
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struct dnsheader dh=dnsheader{};
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SafeArray<1500> payload;
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void setQuestion(const dnsname& name, DNSType type);
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void putRR(DNSSection section, const dnsname& name, DNSType type, uint32_t ttl, const std::unique_ptr<RRGenerator>& rr);
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std::string serialize() const;
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};
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void putName(auto& payload, const dnsname& name)
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{
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for(const auto& l : name) {
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if(l.size() > 63)
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throw std::runtime_error("Can't emit a label larger than 63 characters");
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payload.putUInt8(l.size());
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payload.putBlob(l);
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}
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payload.putUInt8(0);
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}
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