mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-11 07:10:36 +00:00
97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
#ifndef _WIN32
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#include <arpa/inet.h>
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#endif
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#include <net/exit_info.hpp>
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#include <util/bencode.h>
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#include <util/bits.hpp>
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#include <util/mem.h>
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#include <list>
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#include <cstring>
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namespace llarp
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{
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bool
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ExitInfo::BEncode(llarp_buffer_t* buf) const
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{
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char tmp[128] = {0};
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if(!bencode_start_dict(buf))
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return false;
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if(!inet_ntop(AF_INET6, address.s6_addr, tmp, sizeof(tmp)))
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return false;
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if(!BEncodeWriteDictString("a", std::string(tmp), buf))
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return false;
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if(!inet_ntop(AF_INET6, netmask.s6_addr, tmp, sizeof(tmp)))
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return false;
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if(!BEncodeWriteDictString("b", std::string(tmp), buf))
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return false;
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if(!BEncodeWriteDictEntry("k", pubkey, buf))
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return false;
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if(!BEncodeWriteDictInt("v", version, buf))
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return false;
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return bencode_end(buf);
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}
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static bool
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bdecode_ip_string(llarp_buffer_t* buf, in6_addr& ip)
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{
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char tmp[128] = {0};
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llarp_buffer_t strbuf;
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if(!bencode_read_string(buf, &strbuf))
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return false;
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if(strbuf.sz >= sizeof(tmp))
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return false;
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memcpy(tmp, strbuf.base, strbuf.sz);
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tmp[strbuf.sz] = 0;
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return inet_pton(AF_INET6, tmp, &ip.s6_addr[0]) == 1;
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}
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bool
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ExitInfo::DecodeKey(const llarp_buffer_t& k, llarp_buffer_t* buf)
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{
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bool read = false;
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if(!BEncodeMaybeReadDictEntry("k", pubkey, read, k, buf))
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return false;
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if(!BEncodeMaybeReadDictInt("v", version, read, k, buf))
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return false;
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if(k == "a")
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return bdecode_ip_string(buf, address);
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if(k == "b")
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return bdecode_ip_string(buf, netmask);
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return read;
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}
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std::ostream&
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ExitInfo::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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std::ostringstream ss;
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char tmp[128] = {0};
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if(inet_ntop(AF_INET6, (void*)&address, tmp, sizeof(tmp)))
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ss << tmp;
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else
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return stream;
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ss << std::string("/");
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#if defined(ANDROID) || defined(RPI)
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snprintf(tmp, sizeof(tmp), "%zu",
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llarp::bits::count_array_bits(netmask.s6_addr));
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ss << tmp;
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#else
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ss << std::to_string(llarp::bits::count_array_bits(netmask.s6_addr));
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#endif
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printer.printValue(ss.str());
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return stream;
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}
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} // namespace llarp
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