mirror of https://github.com/oxen-io/lokinet
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
#pragma once
|
|
|
|
#include "serialize.hpp"
|
|
#include "rr.hpp"
|
|
#include "question.hpp"
|
|
|
|
namespace llarp
|
|
{
|
|
namespace dns
|
|
{
|
|
struct SRVData;
|
|
|
|
using MsgID_t = uint16_t;
|
|
using Fields_t = uint16_t;
|
|
using Count_t = uint16_t;
|
|
|
|
struct MessageHeader : public Serialize
|
|
{
|
|
static constexpr size_t Size = 12;
|
|
|
|
MessageHeader() = default;
|
|
|
|
MsgID_t id;
|
|
Fields_t fields;
|
|
Count_t qd_count;
|
|
Count_t an_count;
|
|
Count_t ns_count;
|
|
Count_t ar_count;
|
|
|
|
bool
|
|
Encode(llarp_buffer_t* buf) const override;
|
|
|
|
bool
|
|
Decode(llarp_buffer_t* buf) override;
|
|
|
|
util::StatusObject
|
|
ToJSON() const override;
|
|
|
|
bool
|
|
operator==(const MessageHeader& other) const
|
|
{
|
|
return id == other.id && fields == other.fields && qd_count == other.qd_count
|
|
&& an_count == other.an_count && ns_count == other.ns_count
|
|
&& ar_count == other.ar_count;
|
|
}
|
|
};
|
|
|
|
struct Message : public Serialize
|
|
{
|
|
explicit Message(const MessageHeader& hdr);
|
|
explicit Message(const Question& question);
|
|
|
|
Message(Message&& other);
|
|
Message(const Message& other);
|
|
|
|
util::StatusObject
|
|
ToJSON() const override;
|
|
|
|
void
|
|
AddNXReply(RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddServFail(RR_TTL_t ttl = 30);
|
|
|
|
void
|
|
AddMXReply(std::string name, uint16_t priority, RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddCNAMEReply(std::string name, RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddINReply(llarp::huint128_t addr, bool isV6, RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddAReply(std::string name, RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddSRVReply(std::vector<SRVData> records, RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddNSReply(std::string name, RR_TTL_t ttl = 1);
|
|
|
|
void
|
|
AddTXTReply(std::string value, RR_TTL_t ttl = 1);
|
|
|
|
bool
|
|
Encode(llarp_buffer_t* buf) const override;
|
|
|
|
bool
|
|
Decode(llarp_buffer_t* buf) override;
|
|
|
|
// Wrapper around Encode that encodes into a new buffer and returns it
|
|
[[nodiscard]] OwnedBuffer
|
|
ToBuffer() const;
|
|
|
|
std::string
|
|
ToString() const;
|
|
|
|
MsgID_t hdr_id;
|
|
Fields_t hdr_fields;
|
|
std::vector<Question> questions;
|
|
std::vector<ResourceRecord> answers;
|
|
std::vector<ResourceRecord> authorities;
|
|
std::vector<ResourceRecord> additional;
|
|
};
|
|
|
|
std::optional<Message>
|
|
MaybeParseDNSMessage(llarp_buffer_t buf);
|
|
} // namespace dns
|
|
|
|
template <>
|
|
constexpr inline bool IsToStringFormattable<llarp::dns::Message> = true;
|
|
} // namespace llarp
|