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transmission/libtransmission/clients.c

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/*
* This file Copyright (C) 2008-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
/* thanks amc1! */
#include <ctype.h> /* isprint() */
#include <stdlib.h> /* strtol() */
#include <string.h>
#include "transmission.h"
#include "clients.h"
#include "utils.h" /* tr_snprintf(), tr_strlcpy() */
static int charint(uint8_t ch)
{
if ('0' <= ch && ch <= '9')
{
return ch - '0';
}
if ('A' <= ch && ch <= 'Z')
{
return 10 + ch - 'A';
}
if ('a' <= ch && ch <= 'z')
{
return 36 + ch - 'a';
}
return 0;
}
static bool getShadowInt(uint8_t ch, int* setme)
{
char const* str = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-";
char const* pch = strchr(str, ch);
if (pch == NULL)
{
return false;
}
*setme = pch - str;
return true;
}
static int strint(void const* pch, int span)
{
char tmp[64];
memcpy(tmp, pch, span);
tmp[span] = '\0';
return strtol(tmp, NULL, 0);
}
static char const* getMnemonicEnd(uint8_t ch)
{
switch (ch)
{
case 'b':
case 'B':
return " (Beta)";
case 'd':
return " (Debug)";
case 'x':
case 'X':
case 'Z':
return " (Dev)";
default:
return "";
}
}
static void three_digits(char* buf, size_t buflen, char const* name, uint8_t const* digits)
{
tr_snprintf(buf, buflen, "%s %d.%d.%d", name, charint(digits[0]), charint(digits[1]), charint(digits[2]));
}
static void four_digits(char* buf, size_t buflen, char const* name, uint8_t const* digits)
{
tr_snprintf(buf, buflen, "%s %d.%d.%d.%d", name, charint(digits[0]), charint(digits[1]), charint(digits[2]),
charint(digits[3]));
}
static void two_major_two_minor(char* buf, size_t buflen, char const* name, uint8_t const* digits)
{
tr_snprintf(buf, buflen, "%s %d.%02d", name, strint(digits, 2), strint(digits + 2, 2));
}
static void no_version(char* buf, size_t buflen, char const* name)
{
tr_strlcpy(buf, name, buflen);
}
static void mainline_style(char* buf, size_t buflen, char const* name, uint8_t const* id)
{
if (id[4] == '-' && id[6] == '-')
{
tr_snprintf(buf, buflen, "%s %c.%c.%c", name, id[1], id[3], id[5]);
}
else if (id[5] == '-')
{
tr_snprintf(buf, buflen, "%s %c.%c%c.%c", name, id[1], id[3], id[4], id[6]);
}
}
static bool isMainlineStyle(uint8_t const* peer_id)
{
/**
* One of the following styles will be used:
* Mx-y-z--
* Mx-yy-z-
*/
return peer_id[2] == '-' && peer_id[7] == '-' && (peer_id[4] == '-' || peer_id[5] == '-');
}
static bool decodeBitCometClient(char* buf, size_t buflen, uint8_t const* id)
{
char const* chid = (char*)id;
bool is_bitlord;
int major;
int minor;
char const* name;
char const* mod = NULL;
if (strncmp(chid, "exbc", 4) == 0)
{
mod = "";
}
else if (strncmp(chid, "FUTB", 4) == 0)
{
mod = " (Solidox Mod) ";
}
else if (strncmp(chid, "xUTB", 4) == 0)
{
mod = " (Mod 2) ";
}
else
{
return false;
}
is_bitlord = strncmp(chid + 6, "LORD", 4) == 0;
name = (is_bitlord) ? "BitLord " : "BitComet ";
major = id[4];
minor = id[5];
/**
* Bitcomet, and older versions of BitLord, are of the form x.yy.
* Bitcoment 1.0 and onwards are of the form x.y.
*/
if (is_bitlord && major > 0)
{
tr_snprintf(buf, buflen, "%s%s%d.%d", name, mod, major, minor);
}
else
{
tr_snprintf(buf, buflen, "%s%s%d.%02d", name, mod, major, minor);
}
return true;
}
char* tr_clientForId(char* buf, size_t buflen, void const* id_in)
{
uint8_t const* id = id_in;
char const* chid = (char*)id;
*buf = '\0';
if (id == NULL)
{
return buf;
}
/* Azureus-style */
if (id[0] == '-' && id[7] == '-')
{
if (strncmp(chid + 1, "TR", 2) == 0)
{
if (strncmp(chid + 3, "000", 3) == 0) /* very old client style: -TR0006- is 0.6 */
{
tr_snprintf(buf, buflen, "Transmission 0.%c", id[6]);
}
else if (strncmp(chid + 3, "00", 2) == 0) /* previous client style: -TR0072- is 0.72 */
{
tr_snprintf(buf, buflen, "Transmission 0.%02d", strint(id + 5, 2));
}
else /* current client style: -TR111Z- is 1.11+ */
{
tr_snprintf(buf, buflen, "Transmission %d.%02d%s", strint(id + 3, 1), strint(id + 4, 2),
(id[6] == 'Z' || id[6] == 'X') ? "+" : "");
}
}
else if (strncmp(chid + 1, "UT", 2) == 0)
{
tr_snprintf(buf, buflen, "\xc2\xb5Torrent %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1), strint(id + 5, 1),
getMnemonicEnd(id[6]));
}
else if (strncmp(chid + 1, "BT", 2) == 0)
{
tr_snprintf(buf, buflen, "BitTorrent %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1), strint(id + 5, 1),
getMnemonicEnd(id[6]));
}
else if (strncmp(chid + 1, "UM", 2) == 0)
{
tr_snprintf(buf, buflen, "\xc2\xb5Torrent Mac %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1), strint(id + 5, 1),
getMnemonicEnd(id[6]));
}
else if (strncmp(chid + 1, "UE", 2) == 0)
{
tr_snprintf(buf, buflen, "\xc2\xb5Torrent Embedded %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1),
strint(id + 5, 1), getMnemonicEnd(id[6]));
}
/* */
else if (strncmp(chid + 1, "AZ", 2) == 0)
{
if (id[3] > '3' || (id[3] == '3' && id[4] >= '1')) /* Vuze starts at version 3.1.0.0 */
{
four_digits(buf, buflen, "Vuze", id + 3);
}
else
{
four_digits(buf, buflen, "Azureus", id + 3);
}
}
/* */
else if (strncmp(chid + 1, "KT", 2) == 0)
{
if (id[5] == 'D')
{
tr_snprintf(buf, buflen, "KTorrent %d.%d Dev %d", charint(id[3]), charint(id[4]), charint(id[6]));
}
else if (id[5] == 'R')
{
tr_snprintf(buf, buflen, "KTorrent %d.%d RC %d", charint(id[3]), charint(id[4]), charint(id[6]));
}
else
{
three_digits(buf, buflen, "KTorrent", id + 3);
}
}
/* */
else if (strncmp(chid + 1, "AG", 2) == 0)
{
four_digits(buf, buflen, "Ares", id + 3);
}
else if (strncmp(chid + 1, "AR", 2) == 0)
{
four_digits(buf, buflen, "Arctic", id + 3);
}
else if (strncmp(chid + 1, "AT", 2) == 0)
{
four_digits(buf, buflen, "Artemis", id + 3);
}
else if (strncmp(chid + 1, "AV", 2) == 0)
{
four_digits(buf, buflen, "Avicora", id + 3);
}
else if (strncmp(chid + 1, "BB", 2) == 0)
{
four_digits(buf, buflen, "BitBuddy", id + 3);
}
else if (strncmp(chid + 1, "BE", 2) == 0)
{
four_digits(buf, buflen, "BitTorrent SDK", id + 3);
}
else if (strncmp(chid + 1, "BG", 2) == 0)
{
four_digits(buf, buflen, "BTGetit", id + 3);
}
else if (strncmp(chid + 1, "BH", 2) == 0)
{
four_digits(buf, buflen, "BitZilla", id + 3);
}
else if (strncmp(chid + 1, "BM", 2) == 0)
{
four_digits(buf, buflen, "BitMagnet", id + 3);
}
else if (strncmp(chid + 1, "BP", 2) == 0)
{
four_digits(buf, buflen, "BitTorrent Pro (Azureus + Spyware)", id + 3);
}
else if (strncmp(chid + 1, "BX", 2) == 0)
{
four_digits(buf, buflen, "BittorrentX", id + 3);
}
else if (strncmp(chid + 1, "bk", 2) == 0)
{
four_digits(buf, buflen, "BitKitten (libtorrent)", id + 3);
}
else if (strncmp(chid + 1, "BS", 2) == 0)
{
four_digits(buf, buflen, "BTSlave", id + 3);
}
else if (strncmp(chid + 1, "BW", 2) == 0)
{
four_digits(buf, buflen, "BitWombat", id + 3);
}
else if (strncmp(chid + 1, "BX", 2) == 0)
{
four_digits(buf, buflen, "BittorrentX", id + 3);
}
else if (strncmp(chid + 1, "EB", 2) == 0)
{
four_digits(buf, buflen, "EBit", id + 3);
}
else if (strncmp(chid + 1, "DE", 2) == 0)
{
four_digits(buf, buflen, "Deluge", id + 3);
}
else if (strncmp(chid + 1, "DP", 2) == 0)
{
four_digits(buf, buflen, "Propagate Data Client", id + 3);
}
else if (strncmp(chid + 1, "FC", 2) == 0)
{
four_digits(buf, buflen, "FileCroc", id + 3);
}
else if (strncmp(chid + 1, "FT", 2) == 0)
{
four_digits(buf, buflen, "FoxTorrent/RedSwoosh", id + 3);
}
else if (strncmp(chid + 1, "GR", 2) == 0)
{
four_digits(buf, buflen, "GetRight", id + 3);
}
else if (strncmp(chid + 1, "GS", 2) == 0)
{
four_digits(buf, buflen, "GSTorrent", id + 3);
}
else if (strncmp(chid + 1, "HK", 2) == 0)
{
four_digits(buf, buflen, "Hekate", id + 3);
}
else if (strncmp(chid + 1, "HN", 2) == 0)
{
four_digits(buf, buflen, "Hydranode", id + 3);
}
else if (strncmp(chid + 1, "KG", 2) == 0)
{
four_digits(buf, buflen, "KGet", id + 3);
}
else if (strncmp(chid + 1, "LC", 2) == 0)
{
four_digits(buf, buflen, "LeechCraft", id + 3);
}
else if (strncmp(chid + 1, "LH", 2) == 0)
{
four_digits(buf, buflen, "LH-ABC", id + 3);
}
else if (strncmp(chid + 1, "NX", 2) == 0)
{
four_digits(buf, buflen, "Net Transport", id + 3);
}
else if (strncmp(chid + 1, "MK", 2) == 0)
{
four_digits(buf, buflen, "Meerkat", id + 3);
}
else if (strncmp(chid + 1, "MO", 2) == 0)
{
four_digits(buf, buflen, "MonoTorrent", id + 3);
}
else if (strncmp(chid + 1, "MR", 2) == 0)
{
four_digits(buf, buflen, "Miro", id + 3);
}
else if (strncmp(chid + 1, "MT", 2) == 0)
{
four_digits(buf, buflen, "Moonlight", id + 3);
}
else if (strncmp(chid + 1, "OS", 2) == 0)
{
four_digits(buf, buflen, "OneSwarm", id + 3);
}
else if (strncmp(chid + 1, "OT", 2) == 0)
{
four_digits(buf, buflen, "OmegaTorrent", id + 3);
}
else if (strncmp(chid + 1, "PD", 2) == 0)
{
four_digits(buf, buflen, "Pando", id + 3);
}
else if (strncmp(chid + 1, "QD", 2) == 0)
{
four_digits(buf, buflen, "QQDownload", id + 3);
}
else if (strncmp(chid + 1, "RS", 2) == 0)
{
four_digits(buf, buflen, "Rufus", id + 3);
}
else if (strncmp(chid + 1, "RT", 2) == 0)
{
four_digits(buf, buflen, "Retriever", id + 3);
}
else if (strncmp(chid + 1, "RZ", 2) == 0)
{
four_digits(buf, buflen, "RezTorrent", id + 3);
}
else if (strncmp(chid + 1, "SD", 2) == 0)
{
four_digits(buf, buflen, "Thunder", id + 3);
}
else if (strncmp(chid + 1, "SM", 2) == 0)
{
four_digits(buf, buflen, "SoMud", id + 3);
}
else if (strncmp(chid + 1, "SS", 2) == 0)
{
four_digits(buf, buflen, "SwarmScope", id + 3);
}
else if (strncmp(chid + 1, "ST", 2) == 0)
{
four_digits(buf, buflen, "SymTorrent", id + 3);
}
else if (strncmp(chid + 1, "SZ", 2) == 0)
{
four_digits(buf, buflen, "Shareaza", id + 3);
}
else if (strncmp(chid + 1, "S~", 2) == 0)
{
four_digits(buf, buflen, "Shareaza", id + 3);
}
else if (strncmp(chid + 1, "st", 2) == 0)
{
four_digits(buf, buflen, "SharkTorrent", id + 3);
}
else if (strncmp(chid + 1, "TN", 2) == 0)
{
four_digits(buf, buflen, "Torrent .NET", id + 3);
}
else if (strncmp(chid + 1, "TS", 2) == 0)
{
four_digits(buf, buflen, "TorrentStorm", id + 3);
}
else if (strncmp(chid + 1, "TT", 2) == 0)
{
four_digits(buf, buflen, "TuoTu", id + 3);
}
else if (strncmp(chid + 1, "UL", 2) == 0)
{
four_digits(buf, buflen, "uLeecher!", id + 3);
}
else if (strncmp(chid + 1, "VG", 2) == 0)
{
four_digits(buf, buflen, "Vagaa", id + 3);
}
else if (strncmp(chid + 1, "WT", 2) == 0)
{
four_digits(buf, buflen, "BitLet", id + 3);
}
else if (strncmp(chid + 1, "WY", 2) == 0)
{
four_digits(buf, buflen, "FireTorrent", id + 3);
}
else if (strncmp(chid + 1, "XL", 2) == 0)
{
four_digits(buf, buflen, "Xunlei", id + 3);
}
else if (strncmp(chid + 1, "XS", 2) == 0)
{
four_digits(buf, buflen, "XSwifter", id + 3);
}
else if (strncmp(chid + 1, "XT", 2) == 0)
{
four_digits(buf, buflen, "XanTorrent", id + 3);
}
else if (strncmp(chid + 1, "XX", 2) == 0)
{
four_digits(buf, buflen, "Xtorrent", id + 3);
}
else if (strncmp(chid + 1, "ZT", 2) == 0)
{
four_digits(buf, buflen, "Zip Torrent", id + 3);
}
else if (strncmp(chid + 1, "ZO", 2) == 0)
{
four_digits(buf, buflen, "Zona", id + 3);
}
/* */
else if (strncmp(chid + 1, "AG", 2) == 0)
{
three_digits(buf, buflen, "Ares", id + 3);
}
else if (strncmp(chid + 1, "A~", 2) == 0)
{
three_digits(buf, buflen, "Ares", id + 3);
}
else if (strncmp(chid + 1, "ES", 2) == 0)
{
three_digits(buf, buflen, "Electric Sheep", id + 3);
}
else if (strncmp(chid + 1, "HL", 2) == 0)
{
three_digits(buf, buflen, "Halite", id + 3);
}
else if (strncmp(chid + 1, "LT", 2) == 0)
{
three_digits(buf, buflen, "libtorrent (Rasterbar)", id + 3);
}
else if (strncmp(chid + 1, "lt", 2) == 0)
{
three_digits(buf, buflen, "libTorrent (Rakshasa)", id + 3);
}
else if (strncmp(chid + 1, "MP", 2) == 0)
{
three_digits(buf, buflen, "MooPolice", id + 3);
}
else if (strncmp(chid + 1, "pb", 2) == 0)
{
three_digits(buf, buflen, "pbTorrent", id + 3);
}
else if (strncmp(chid + 1, "TT", 2) == 0)
{
three_digits(buf, buflen, "TuoTu", id + 3);
}
else if (strncmp(chid + 1, "qB", 2) == 0)
{
three_digits(buf, buflen, "qBittorrent", id + 3);
}
/* */
else if (strncmp(chid + 1, "AX", 2) == 0)
{
two_major_two_minor(buf, buflen, "BitPump", id + 3);
}
else if (strncmp(chid + 1, "BC", 2) == 0)
{
two_major_two_minor(buf, buflen, "BitComet", id + 3);
}
else if (strncmp(chid + 1, "CD", 2) == 0)
{
two_major_two_minor(buf, buflen, "Enhanced CTorrent", id + 3);
}
else if (strncmp(chid + 1, "LP", 2) == 0)
{
two_major_two_minor(buf, buflen, "Lphant", id + 3);
}
/* */
else if (strncmp(chid + 1, "BF", 2) == 0)
{
no_version(buf, buflen, "BitFlu");
}
else if (strncmp(chid + 1, "LW", 2) == 0)
{
no_version(buf, buflen, "LimeWire");
}
/* */
else if (strncmp(chid + 1, "BB", 2) == 0)
{
tr_snprintf(buf, buflen, "BitBuddy %c.%c%c%c", id[3], id[4], id[5], id[6]);
}
else if (strncmp(chid + 1, "BR", 2) == 0)
{
tr_snprintf(buf, buflen, "BitRocket %c.%c (%c%c)", id[3], id[4], id[5], id[6]);
}
else if (strncmp(chid + 1, "CT", 2) == 0)
{
tr_snprintf(buf, buflen, "CTorrent %d.%d.%02d", charint(id[3]), charint(id[4]), strint(id + 5, 2));
}
else if (strncmp(chid + 1, "XC", 2) == 0 || strncmp(chid + 1, "XX", 2) == 0)
{
tr_snprintf(buf, buflen, "Xtorrent %d.%d (%d)", charint(id[3]), charint(id[4]), strint(id + 5, 2));
}
else if (strncmp(chid + 1, "BOW", 3) == 0)
{
if (strncmp(&chid[4], "A0B", 3) == 0)
{
tr_snprintf(buf, buflen, "Bits on Wheels 1.0.5");
}
else if (strncmp(&chid[4], "A0C", 3) == 0)
{
tr_snprintf(buf, buflen, "Bits on Wheels 1.0.6");
}
else
{
tr_snprintf(buf, buflen, "Bits on Wheels %c.%c.%c", id[4], id[5], id[5]);
}
}
else if (strncmp(chid + 1, "MG", 2) == 0)
{
tr_snprintf(buf, buflen, "MediaGet %d.%02d", charint(id[3]), charint(id[4]));
}
else if (strncmp(chid + 1, "XF", 2) == 0)
{
if (chid[6] == '0')
{
three_digits(buf, buflen, "Xfplay", id + 3);
}
else
{
tr_snprintf(buf, buflen, "Xfplay %d.%d.%d", strint(id + 3, 1), strint(id + 4, 1), strint(id + 5, 2));
}
}
else if (strncmp(chid + 1, "PI", 2) == 0)
{
tr_snprintf(buf, buflen, "PicoTorrent %d.%d%d.%d", charint(id[3]), charint(id[4]), charint(id[5]), charint(id[6]));
}
if (*buf != '\0')
{
return buf;
}
}
/* uTorrent will replace the trailing dash with an extra digit for longer version numbers */
if (id[0] == '-')
{
if (strncmp(chid + 1, "UT", 2) == 0)
{
tr_snprintf(buf, buflen, "\xc2\xb5Torrent %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1), strint(id + 5, 2),
getMnemonicEnd(id[7]));
}
else if (strncmp(chid + 1, "UM", 2) == 0)
{
tr_snprintf(buf, buflen, "\xc2\xb5Torrent Mac %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1), strint(id + 5, 2),
getMnemonicEnd(id[7]));
}
else if (strncmp(chid + 1, "UE", 2) == 0)
{
tr_snprintf(buf, buflen, "\xc2\xb5Torrent Embedded %d.%d.%d%s", strint(id + 3, 1), strint(id + 4, 1),
strint(id + 5, 2), getMnemonicEnd(id[7]));
}
if (*buf != '\0')
{
return buf;
}
}
/* Mainline */
if (isMainlineStyle(id))
{
if (*id == 'M')
{
mainline_style(buf, buflen, "BitTorrent", id);
}
if (*id == 'Q')
{
mainline_style(buf, buflen, "Queen Bee", id);
}
if (*buf != '\0')
{
return buf;
}
}
if (decodeBitCometClient(buf, buflen, id))
{
return buf;
}
/* Clients with no version */
if (strncmp(chid, "AZ2500BT", 8) == 0)
{
no_version(buf, buflen, "BitTyrant (Azureus Mod)");
}
else if (strncmp(chid, "LIME", 4) == 0)
{
no_version(buf, buflen, "Limewire");
}
else if (strncmp(chid, "martini", 7) == 0)
{
no_version(buf, buflen, "Martini Man");
}
else if (strncmp(chid, "Pando", 5) == 0)
{
no_version(buf, buflen, "Pando");
}
else if (strncmp(chid, "a00---0", 7) == 0)
{
no_version(buf, buflen, "Swarmy");
}
else if (strncmp(chid, "a02---0", 7) == 0)
{
no_version(buf, buflen, "Swarmy");
}
else if (strncmp(chid, "-G3", 3) == 0)
{
no_version(buf, buflen, "G3 Torrent");
}
else if (strncmp(chid, "10-------", 9) == 0)
{
no_version(buf, buflen, "JVtorrent");
}
else if (strncmp(chid, "346-", 4) == 0)
{
no_version(buf, buflen, "TorrentTopia");
}
else if (strncmp(chid, "eX", 2) == 0)
{
no_version(buf, buflen, "eXeem");
}
else if (strncmp(chid, "aria2-", 6) == 0)
{
no_version(buf, buflen, "aria2");
}
else if (strncmp(chid, "-WT-", 4) == 0)
{
no_version(buf, buflen, "BitLet");
}
else if (strncmp(chid, "-FG", 3) == 0)
{
two_major_two_minor(buf, buflen, "FlashGet", id + 3);
}
/* Everything else */
else if (strncmp(chid, "S3", 2) == 0 && id[2] == '-' && id[4] == '-' && id[6] == '-')
{
tr_snprintf(buf, buflen, "Amazon S3 %c.%c.%c", id[3], id[5], id[7]);
}
else if (strncmp(chid, "OP", 2) == 0)
{
tr_snprintf(buf, buflen, "Opera (Build %c%c%c%c)", id[2], id[3], id[4], id[5]);
}
else if (strncmp(chid, "-ML", 3) == 0)
{
tr_snprintf(buf, buflen, "MLDonkey %c%c%c%c%c", id[3], id[4], id[5], id[6], id[7]);
}
else if (strncmp(chid, "DNA", 3) == 0)
{
tr_snprintf(buf, buflen, "BitTorrent DNA %d.%d.%d", strint(id + 3, 2), strint(id + 5, 2), strint(id + 7, 2));
}
else if (strncmp(chid, "Plus", 4) == 0)
{
tr_snprintf(buf, buflen, "Plus! v2 %c.%c%c", id[4], id[5], id[6]);
}
else if (strncmp(chid, "XBT", 3) == 0)
{
tr_snprintf(buf, buflen, "XBT Client %c.%c.%c%s", id[3], id[4], id[5], getMnemonicEnd(id[6]));
}
else if (strncmp(chid, "Mbrst", 5) == 0)
{
tr_snprintf(buf, buflen, "burst! %c.%c.%c", id[5], id[7], id[9]);
}
else if (strncmp(chid, "btpd", 4) == 0)
{
tr_snprintf(buf, buflen, "BT Protocol Daemon %c%c%c", id[5], id[6], id[7]);
}
else if (strncmp(chid, "BLZ", 3) == 0)
{
tr_snprintf(buf, buflen, "Blizzard Downloader %d.%d", id[3] + 1, id[4]);
}
else if (strncmp(chid, "-SP", 3) == 0)
{
three_digits(buf, buflen, "BitSpirit", id + 3);
}
else if ('\0' == id[0] && strncmp(chid + 2, "BS", 2) == 0)
{
tr_snprintf(buf, buflen, "BitSpirit %u", (id[1] == 0 ? 1 : id[1]));
}
else if (strncmp(chid, "QVOD", 4) == 0)
{
four_digits(buf, buflen, "QVOD", id + 4);
}
else if (strncmp(chid, "-NE", 3) == 0)
{
four_digits(buf, buflen, "BT Next Evolution", id + 3);
}
else if (strncmp(chid, "TIX", 3) == 0)
{
two_major_two_minor(buf, buflen, "Tixati", id + 3);
}
/* Shad0w-style */
if (*buf == '\0')
{
int a;
int b;
int c;
if (strchr("AOQRSTU", id[0]) != NULL && getShadowInt(id[1], &a) && getShadowInt(id[2], &b) && getShadowInt(id[3], &c))
{
char const* name = NULL;
switch (id[0])
{
case 'A':
name = "ABC";
break;
case 'O':
name = "Osprey";
break;
case 'Q':
name = "BTQueue";
break;
case 'R':
name = "Tribler";
break;
case 'S':
name = "Shad0w";
break;
case 'T':
name = "BitTornado";
break;
case 'U':
name = "UPnP NAT Bit Torrent";
break;
}
if (name != NULL)
{
tr_snprintf(buf, buflen, "%s %d.%d.%d", name, a, b, c);
return buf;
}
}
}
/* No match */
if (*buf == '\0')
{
char out[32];
char* walk = out;
for (size_t i = 0; i < 8; ++i)
{
char const c = chid[i];
if (isprint((unsigned char)c))
{
*walk++ = c;
}
else
{
tr_snprintf(walk, out + sizeof(out) - walk, "%%%02X", (unsigned int)c);
walk += 3;
}
}
*walk = '\0';
tr_strlcpy(buf, out, buflen);
}
return buf;
}
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