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7caa87862e
All #ifndef guards on headers have been removed, I think, in favor of #pragma once Headers are now included as `#include "filename"` if the included file resides in the same directory as the file including it, or any subdirectory therein. Otherwise they are included as `#include <project/top/dir/relative/path/filename>` The above does not include system/os headers.
108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
#include "rr.hpp"
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#include "dns.hpp"
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#include <llarp/util/mem.hpp>
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#include <llarp/util/logging/logger.hpp>
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#include <llarp/util/printer.hpp>
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namespace llarp
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{
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namespace dns
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{
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ResourceRecord::ResourceRecord(const ResourceRecord& other)
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: rr_name(other.rr_name)
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, rr_type(other.rr_type)
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, rr_class(other.rr_class)
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, ttl(other.ttl)
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, rData(other.rData)
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{}
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ResourceRecord::ResourceRecord(ResourceRecord&& other)
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: rr_name(std::move(other.rr_name))
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, rr_type(std::move(other.rr_type))
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, rr_class(std::move(other.rr_class))
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, ttl(std::move(other.ttl))
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, rData(std::move(other.rData))
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{}
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bool
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ResourceRecord::Encode(llarp_buffer_t* buf) const
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{
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if (not EncodeName(buf, rr_name))
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return false;
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if (!buf->put_uint16(rr_type))
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{
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return false;
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}
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if (!buf->put_uint16(rr_class))
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{
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return false;
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}
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if (!buf->put_uint32(ttl))
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{
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return false;
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}
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if (!EncodeRData(buf, rData))
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{
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return false;
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}
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return true;
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}
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bool
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ResourceRecord::Decode(llarp_buffer_t* buf)
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{
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uint16_t discard;
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if (!buf->read_uint16(discard))
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return false;
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if (!buf->read_uint16(rr_type))
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{
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llarp::LogDebug("failed to decode rr type");
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return false;
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}
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if (!buf->read_uint16(rr_class))
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{
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llarp::LogDebug("failed to decode rr class");
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return false;
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}
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if (!buf->read_uint32(ttl))
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{
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llarp::LogDebug("failed to decode ttl");
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return false;
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}
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if (!DecodeRData(buf, rData))
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{
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llarp::LogDebug("failed to decode rr rdata ", *this);
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return false;
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}
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return true;
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}
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std::ostream&
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ResourceRecord::print(std::ostream& stream, int level, int spaces) const
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{
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Printer printer(stream, level, spaces);
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printer.printAttribute("name", rr_name);
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printer.printAttribute("type", rr_type);
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printer.printAttribute("class", rr_class);
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printer.printAttribute("ttl", ttl);
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printer.printAttribute("rdata", rData.size());
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return stream;
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}
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bool
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ResourceRecord::HasCNameForTLD(const std::string& tld) const
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{
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if (rr_type != qTypeCNAME)
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return false;
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Name_t name;
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llarp_buffer_t buf(rData);
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if (not DecodeName(&buf, name))
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return false;
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return name.find(tld) != std::string::npos
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&& name.rfind(tld) == (name.size() - tld.size()) - 1;
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}
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} // namespace dns
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} // namespace llarp
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