327 lines
9.4 KiB
C++
Executable File
327 lines
9.4 KiB
C++
Executable File
/*
|
|
|
|
Copyright (c) 2003, Arvid Norberg
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the author nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#include <cctype>
|
|
#include <algorithm>
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(push, 1)
|
|
#endif
|
|
|
|
#include <boost/optional.hpp>
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
#include "libtorrent/identify_client.hpp"
|
|
#include "libtorrent/fingerprint.hpp"
|
|
|
|
namespace
|
|
{
|
|
|
|
using namespace libtorrent;
|
|
|
|
int decode_digit(char c)
|
|
{
|
|
if (std::isdigit(c)) return c - '0';
|
|
return unsigned(c) - 'A' + 10;
|
|
}
|
|
|
|
// takes a peer id and returns a valid boost::optional
|
|
// object if the peer id matched the azureus style encoding
|
|
// the returned fingerprint contains information about the
|
|
// client's id
|
|
boost::optional<fingerprint> parse_az_style(const peer_id& id)
|
|
{
|
|
fingerprint ret("..", 0, 0, 0, 0);
|
|
|
|
if (id[0] != '-' || !std::isprint(id[1]) || (id[2] < '0')
|
|
|| (id[3] < '0') || (id[4] < '0')
|
|
|| (id[5] < '0') || (id[6] < '0')
|
|
|| id[7] != '-')
|
|
return boost::optional<fingerprint>();
|
|
|
|
ret.name[0] = id[1];
|
|
ret.name[1] = id[2];
|
|
ret.major_version = decode_digit(id[3]);
|
|
ret.minor_version = decode_digit(id[4]);
|
|
ret.revision_version = decode_digit(id[5]);
|
|
ret.tag_version = decode_digit(id[6]);
|
|
|
|
return boost::optional<fingerprint>(ret);
|
|
}
|
|
|
|
// checks if a peer id can possibly contain a shadow-style
|
|
// identification
|
|
boost::optional<fingerprint> parse_shadow_style(const peer_id& id)
|
|
{
|
|
fingerprint ret("..", 0, 0, 0, 0);
|
|
|
|
if (!std::isalnum(id[0]))
|
|
return boost::optional<fingerprint>();
|
|
|
|
if (std::equal(id.begin()+4, id.begin()+6, "--"))
|
|
{
|
|
if ((id[1] < '0') || (id[2] < '0')
|
|
|| (id[3] < '0'))
|
|
return boost::optional<fingerprint>();
|
|
ret.major_version = decode_digit(id[1]);
|
|
ret.minor_version = decode_digit(id[2]);
|
|
ret.revision_version = decode_digit(id[3]);
|
|
}
|
|
else
|
|
{
|
|
if (id[8] != 0 || id[1] > 127 || id[2] > 127 || id[3] > 127)
|
|
return boost::optional<fingerprint>();
|
|
ret.major_version = id[1];
|
|
ret.minor_version = id[2];
|
|
ret.revision_version = id[3];
|
|
}
|
|
|
|
ret.name[0] = id[0];
|
|
ret.name[1] = 0;
|
|
|
|
ret.tag_version = 0;
|
|
return boost::optional<fingerprint>(ret);
|
|
}
|
|
|
|
// checks if a peer id can possibly contain a mainline-style
|
|
// identification
|
|
boost::optional<fingerprint> parse_mainline_style(const peer_id& id)
|
|
{
|
|
char ids[21];
|
|
std::copy(id.begin(), id.end(), ids);
|
|
ids[20] = 0;
|
|
fingerprint ret("..", 0, 0, 0, 0);
|
|
ret.name[1] = 0;
|
|
ret.tag_version = 0;
|
|
if (sscanf(ids, "%c%d-%d-%d--", &ret.name[0], &ret.major_version, &ret.minor_version
|
|
, &ret.revision_version) != 4
|
|
|| !std::isprint(ret.name[0]))
|
|
return boost::optional<fingerprint>();
|
|
|
|
return boost::optional<fingerprint>(ret);
|
|
}
|
|
|
|
typedef std::pair<char const*, char const*> map_entry;
|
|
|
|
// only support BitTorrentSpecification
|
|
// must be ordered alphabetically
|
|
map_entry name_map[] =
|
|
{
|
|
map_entry("A", "ABC")
|
|
, map_entry("AR", "Arctic Torrent")
|
|
, map_entry("AX", "BitPump")
|
|
, map_entry("AZ", "Azureus")
|
|
, map_entry("BB", "BitBuddy")
|
|
, map_entry("BC", "BitComet")
|
|
, map_entry("BS", "BTSlave")
|
|
, map_entry("BX", "BittorrentX")
|
|
, map_entry("CD", "Enhanced CTorrent")
|
|
, map_entry("CT", "CTorrent")
|
|
, map_entry("DE", "Deluge")
|
|
, map_entry("ES", "electric sheep")
|
|
, map_entry("KT", "KTorrent")
|
|
, map_entry("LP", "lphant")
|
|
, map_entry("LT", "libtorrent")
|
|
, map_entry("M", "Mainline")
|
|
, map_entry("MP", "MooPolice")
|
|
, map_entry("MT", "Moonlight Torrent")
|
|
, map_entry("O", "Osprey Permaseed")
|
|
, map_entry("R", "Tribler")
|
|
, map_entry("S", "Shadow")
|
|
, map_entry("SB", "Swiftbit")
|
|
, map_entry("SN", "ShareNet")
|
|
, map_entry("SS", "SwarmScope")
|
|
, map_entry("SZ", "Shareaza")
|
|
, map_entry("T", "BitTornado")
|
|
, map_entry("TN", "Torrent.NET")
|
|
, map_entry("TR", "Transmission")
|
|
, map_entry("TS", "TorrentStorm")
|
|
, map_entry("U", "UPnP")
|
|
, map_entry("UL", "uLeecher")
|
|
, map_entry("UT", "MicroTorrent")
|
|
, map_entry("XT", "XanTorrent")
|
|
, map_entry("ZT", "ZipTorrent")
|
|
, map_entry("lt", "libTorrent (libtorrent.rakshasa.no/)")
|
|
, map_entry("pX", "pHoeniX")
|
|
, map_entry("qB", "qBittorrent")
|
|
};
|
|
|
|
bool compare_first_string(map_entry const& lhs, map_entry const& rhs)
|
|
{
|
|
return lhs.first[0] < rhs.first[0]
|
|
|| ((lhs.first[0] == rhs.first[0]) && (lhs.first[1] < rhs.first[1]));
|
|
}
|
|
|
|
std::string lookup(fingerprint const& f)
|
|
{
|
|
std::stringstream identity;
|
|
|
|
const int size = sizeof(name_map)/sizeof(name_map[0]);
|
|
map_entry* i =
|
|
std::lower_bound(name_map, name_map + size
|
|
, map_entry(f.name, ""), &compare_first_string);
|
|
|
|
#ifndef NDEBUG
|
|
for (int i = 1; i < size; ++i)
|
|
{
|
|
assert(compare_first_string(name_map[i-1]
|
|
, name_map[i]));
|
|
}
|
|
#endif
|
|
|
|
if (i < name_map + size && std::equal(f.name, f.name + 2, i->first))
|
|
identity << i->second;
|
|
else
|
|
{
|
|
identity << f.name[0];
|
|
if (f.name[1] != 0) identity << f.name[1];
|
|
}
|
|
|
|
identity << " " << (int)f.major_version
|
|
<< "." << (int)f.minor_version
|
|
<< "." << (int)f.revision_version;
|
|
|
|
if (f.name[1] != 0)
|
|
identity << "." << (int)f.tag_version;
|
|
|
|
return identity.str();
|
|
}
|
|
|
|
bool find_string(unsigned char const* id, char const* search)
|
|
{
|
|
return std::equal(search, search + std::strlen(search), id);
|
|
}
|
|
}
|
|
|
|
namespace libtorrent
|
|
{
|
|
|
|
boost::optional<fingerprint> client_fingerprint(peer_id const& p)
|
|
{
|
|
// look for azureus style id
|
|
boost::optional<fingerprint> f;
|
|
f = parse_az_style(p);
|
|
if (f) return f;
|
|
|
|
// look for shadow style id
|
|
f = parse_shadow_style(p);
|
|
if (f) return f;
|
|
|
|
// look for mainline style id
|
|
f = parse_mainline_style(p);
|
|
if (f) return f;
|
|
return f;
|
|
}
|
|
|
|
std::string identify_client(peer_id const& p)
|
|
{
|
|
peer_id::const_iterator PID = p.begin();
|
|
boost::optional<fingerprint> f;
|
|
|
|
if (p.is_all_zeros()) return "Unknown";
|
|
|
|
// ----------------------
|
|
// non standard encodings
|
|
// ----------------------
|
|
|
|
if (find_string(PID, "Deadman Walking-")) return "Deadman";
|
|
if (find_string(PID + 5, "Azureus")) return "Azureus 2.0.3.2";
|
|
if (find_string(PID, "DansClient")) return "XanTorrent";
|
|
if (find_string(PID + 4, "btfans")) return "SimpleBT";
|
|
if (find_string(PID, "PRC.P---")) return "Bittorrent Plus! II";
|
|
if (find_string(PID, "P87.P---")) return "Bittorrent Plus!";
|
|
if (find_string(PID, "S587Plus")) return "Bittorrent Plus!";
|
|
if (find_string(PID, "martini")) return "Martini Man";
|
|
if (find_string(PID, "Plus---")) return "Bittorrent Plus";
|
|
if (find_string(PID, "turbobt")) return "TurboBT";
|
|
if (find_string(PID, "a00---0")) return "Swarmy";
|
|
if (find_string(PID, "a02---0")) return "Swarmy";
|
|
if (find_string(PID, "T00---0")) return "Teeweety";
|
|
if (find_string(PID, "BTDWV-")) return "Deadman Walking";
|
|
if (find_string(PID + 2, "BS")) return "BitSpirit";
|
|
if (find_string(PID, "btuga")) return "BTugaXP";
|
|
if (find_string(PID, "oernu")) return "BTugaXP";
|
|
if (find_string(PID, "Mbrst")) return "Burst!";
|
|
if (find_string(PID, "Plus")) return "Plus!";
|
|
if (find_string(PID, "-Qt-")) return "Qt";
|
|
if (find_string(PID, "exbc")) return "BitComet";
|
|
if (find_string(PID, "-G3")) return "G3 Torrent";
|
|
if (find_string(PID, "XBT")) return "XBT";
|
|
if (find_string(PID, "OP")) return "Opera";
|
|
|
|
if (find_string(PID, "-BOW") && PID[7] == '-')
|
|
return "Bits on Wheels " + std::string(PID + 4, PID + 7);
|
|
|
|
|
|
if (find_string(PID, "eX"))
|
|
{
|
|
std::string user(PID + 2, PID + 14);
|
|
return std::string("eXeem ('") + user.c_str() + "')";
|
|
}
|
|
|
|
if (std::equal(PID, PID + 13, "\0\0\0\0\0\0\0\0\0\0\0\0\x97"))
|
|
return "Experimental 3.2.1b2";
|
|
|
|
if (std::equal(PID, PID + 13, "\0\0\0\0\0\0\0\0\0\0\0\0\0"))
|
|
return "Experimental 3.1";
|
|
|
|
|
|
// look for azureus style id
|
|
f = parse_az_style(p);
|
|
if (f) return lookup(*f);
|
|
|
|
// look for shadow style id
|
|
f = parse_shadow_style(p);
|
|
if (f) return lookup(*f);
|
|
|
|
// look for mainline style id
|
|
f = parse_mainline_style(p);
|
|
if (f) return lookup(*f);
|
|
|
|
|
|
if (std::equal(PID, PID + 12, "\0\0\0\0\0\0\0\0\0\0\0\0"))
|
|
return "Generic";
|
|
|
|
std::string unknown("Unknown [");
|
|
for (peer_id::const_iterator i = p.begin(); i != p.end(); ++i)
|
|
{
|
|
unknown += std::isprint(*i)?*i:'.';
|
|
}
|
|
unknown += "]";
|
|
return unknown;
|
|
}
|
|
|
|
}
|