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transmission/libtransmission/clients.c

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/*
* This file Copyright (C) 2008-2010 Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
/* thanks amc1! */
#include <ctype.h> /* isprint() */
#include <stdio.h>
#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 int
getShadowInt( uint8_t ch, int * setme )
{
const char * str = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-";
const char * pch = strchr( str, ch );
if( !pch )
return 0;
*setme = pch - str;
return 1;
}
static int
strint( const void * pch, int span )
{
char tmp[64];
memcpy( tmp, pch, span );
tmp[span] = '\0';
return strtol( tmp, NULL, 0 );
}
static const char*
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, const char * name, const uint8_t * 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, const char * name, const uint8_t * 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, const char * name, const uint8_t * 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, const char * name )
{
tr_strlcpy( buf, name, buflen );
}
static void
mainline_style( char * buf, size_t buflen, const char * name, const uint8_t * 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 int
isMainlineStyle( const uint8_t * 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 int
decodeBitCometClient( char * buf, size_t buflen, const uint8_t * id )
{
int is_bitlord;
int major, minor;
const char * name;
const char * mod = NULL;
if( !memcmp( id, "exbc", 4 ) ) mod = "";
else if( !memcmp( id, "FUTB", 4 )) mod = "(Solidox Mod) ";
else if( !memcmp( id, "xUTB", 4 )) mod = "(Mod 2) ";
else return FALSE;
is_bitlord = !memcmp( id+6, "LORD", 4 );
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;
}
void
tr_clientForId( char * buf, size_t buflen, const void * id_in )
{
const uint8_t * id = id_in;
*buf = '\0';
if( !id )
return;
/* Azureus-style */
if( id[0] == '-' && id[7] == '-' )
{
if( !memcmp( id+1, "TR", 2 ) )
{
if( !memcmp( id+3, "000", 3 ) ) /* very old client style: -TR0006- is 0.6 */
tr_snprintf( buf, buflen, "Transmission 0.%c", id[6] );
else if( !memcmp( id+3, "00", 2) ) /* 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( !memcmp( id+1, "UT", 2 ) )
{
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( !memcmp( id+1, "UM", 2 ) )
{
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( !memcmp( id+1, "AZ", 2 ) )
{
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( !memcmp( id+1, "KT", 2 ) )
{
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( !memcmp( id+1, "AR", 2 ) ) four_digits( buf, buflen, "Ares", id+3 );
else if( !memcmp( id+1, "AT", 2 ) ) four_digits( buf, buflen, "Artemis", id+3 );
else if( !memcmp( id+1, "AV", 2 ) ) four_digits( buf, buflen, "Avicora", id+3 );
else if( !memcmp( id+1, "BE", 2 ) ) four_digits( buf, buflen, "BitTorrent SDK", id+3 );
else if( !memcmp( id+1, "BG", 2 ) ) four_digits( buf, buflen, "BTGetit", id+3 );
else if( !memcmp( id+1, "BM", 2 ) ) four_digits( buf, buflen, "BitMagnet", id+3 );
else if( !memcmp( id+1, "BP", 2 ) ) four_digits( buf, buflen, "BitTorrent Pro (Azureus + Spyware)", id+3 );
else if( !memcmp( id+1, "BX", 2 ) ) four_digits( buf, buflen, "BittorrentX", id+3 );
else if( !memcmp( id+1, "bk", 2 ) ) four_digits( buf, buflen, "BitKitten (libtorrent)", id+3 );
else if( !memcmp( id+1, "BS", 2 ) ) four_digits( buf, buflen, "BTSlave", id+3 );
else if( !memcmp( id+1, "BW", 2 ) ) four_digits( buf, buflen, "BitWombat", id+3 );
else if( !memcmp( id+1, "BX", 2 ) ) four_digits( buf, buflen, "BittorrentX", id+3 );
else if( !memcmp( id+1, "EB", 2 ) ) four_digits( buf, buflen, "EBit", id+3 );
else if( !memcmp( id+1, "DE", 2 ) ) four_digits( buf, buflen, "Deluge", id+3 );
else if( !memcmp( id+1, "DP", 2 ) ) four_digits( buf, buflen, "Propogate Data Client", id+3 );
else if( !memcmp( id+1, "FC", 2 ) ) four_digits( buf, buflen, "FileCroc", id+3 );
else if( !memcmp( id+1, "FT", 2 ) ) four_digits( buf, buflen, "FoxTorrent/RedSwoosh", id+3 );
else if( !memcmp( id+1, "GR", 2 ) ) four_digits( buf, buflen, "GetRight", id+3 );
else if( !memcmp( id+1, "HN", 2 ) ) four_digits( buf, buflen, "Hydranode", id+3 );
else if( !memcmp( id+1, "KG", 2 ) ) four_digits( buf, buflen, "KGet", id+3 );
else if( !memcmp( id+1, "LC", 2 ) ) four_digits( buf, buflen, "LeechCraft", id+3 );
else if( !memcmp( id+1, "LH", 2 ) ) four_digits( buf, buflen, "LH-ABC", id+3 );
else if( !memcmp( id+1, "NX", 2 ) ) four_digits( buf, buflen, "Net Transport", id+3 );
else if( !memcmp( id+1, "MO", 2 ) ) four_digits( buf, buflen, "MonoTorrent", id+3 );
else if( !memcmp( id+1, "MR", 2 ) ) four_digits( buf, buflen, "Miro", id+3 );
else if( !memcmp( id+1, "MT", 2 ) ) four_digits( buf, buflen, "Moonlight", id+3 );
else if( !memcmp( id+1, "OS", 2 ) ) four_digits( buf, buflen, "OneSwarm", id+3 );
else if( !memcmp( id+1, "OT", 2 ) ) four_digits( buf, buflen, "OmegaTorrent", id+3 );
else if( !memcmp( id+1, "PD", 2 ) ) four_digits( buf, buflen, "Pando", id+3 );
else if( !memcmp( id+1, "QD", 2 ) ) four_digits( buf, buflen, "QQDownload", id+3 );
else if( !memcmp( id+1, "RS", 2 ) ) four_digits( buf, buflen, "Rufus", id+3 );
else if( !memcmp( id+1, "RT", 2 ) ) four_digits( buf, buflen, "Retriever", id+3 );
else if( !memcmp( id+1, "RZ", 2 ) ) four_digits( buf, buflen, "RezTorrent", id+3 );
else if( !memcmp( id+1, "SD", 2 ) ) four_digits( buf, buflen, "Thunder", id+3 );
else if( !memcmp( id+1, "SS", 2 ) ) four_digits( buf, buflen, "SwarmScope", id+3 );
else if( !memcmp( id+1, "SZ", 2 ) ) four_digits( buf, buflen, "Shareaza", id+3 );
else if( !memcmp( id+1, "S~", 2 ) ) four_digits( buf, buflen, "Shareaza", id+3 );
else if( !memcmp( id+1, "st", 2 ) ) four_digits( buf, buflen, "SharkTorrent", id+3 );
else if( !memcmp( id+1, "TN", 2 ) ) four_digits( buf, buflen, "Torrent .NET", id+3 );
else if( !memcmp( id+1, "TS", 2 ) ) four_digits( buf, buflen, "TorrentStorm", id+3 );
else if( !memcmp( id+1, "UL", 2 ) ) four_digits( buf, buflen, "uLeecher!", id+3 );
else if( !memcmp( id+1, "VG", 2 ) ) four_digits( buf, buflen, "Vagaa", id+3 );
else if( !memcmp( id+1, "WY", 2 ) ) four_digits( buf, buflen, "Wyzo", id+3 );
else if( !memcmp( id+1, "XL", 2 ) ) four_digits( buf, buflen, "Xunlei", id+3 );
else if( !memcmp( id+1, "XT", 2 ) ) four_digits( buf, buflen, "XanTorrent", id+3 );
else if( !memcmp( id+1, "ZT", 2 ) ) four_digits( buf, buflen, "Zip Torrent", id+3 );
else if( !memcmp( id+1, "AG", 2 ) ) three_digits( buf, buflen, "Ares", id+3 );
else if( !memcmp( id+1, "A~", 2 ) ) three_digits( buf, buflen, "Ares", id+3 );
else if( !memcmp( id+1, "ES", 2 ) ) three_digits( buf, buflen, "Electric Sheep", id+3 );
else if( !memcmp( id+1, "HL", 2 ) ) three_digits( buf, buflen, "Halite", id+3 );
else if( !memcmp( id+1, "LT", 2 ) ) three_digits( buf, buflen, "libtorrent (Rasterbar)", id+3 );
else if( !memcmp( id+1, "lt", 2 ) ) three_digits( buf, buflen, "libTorrent (Rakshasa)", id+3 );
else if( !memcmp( id+1, "MP", 2 ) ) three_digits( buf, buflen, "MooPolice", id+3 );
else if( !memcmp( id+1, "TT", 2 ) ) three_digits( buf, buflen, "TuoTu", id+3 );
else if( !memcmp( id+1, "qB", 2 ) ) three_digits( buf, buflen, "qBittorrent", id+3 );
else if( !memcmp( id+1, "AX", 2 ) ) two_major_two_minor( buf, buflen, "BitPump", id+3 );
else if( !memcmp( id+1, "BC", 2 ) ) two_major_two_minor( buf, buflen, "BitComet", id+3 );
else if( !memcmp( id+1, "CD", 2 ) ) two_major_two_minor( buf, buflen, "Enhanced CTorrent", id+3 );
else if( !memcmp( id+1, "LP", 2 ) ) two_major_two_minor( buf, buflen, "Lphant", id+3 );
else if( !memcmp( id+1, "BF", 2 ) ) no_version( buf, buflen, "BitFlu" );
else if( !memcmp( id+1, "LW", 2 ) ) no_version( buf, buflen, "LimeWire" );
else if( !memcmp( id+1, "BB", 2 ) )
{
tr_snprintf( buf, buflen, "BitBuddy %c.%c%c%c", id[3], id[4], id[5], id[6] );
}
else if( !memcmp( id+1, "BR", 2 ) )
{
tr_snprintf( buf, buflen, "BitRocket %c.%c (%c%c)", id[3], id[4], id[5], id[6] );
}
else if( !memcmp( id+1, "CT", 2 ) )
{
tr_snprintf( buf, buflen, "CTorrent %d.%d.%02d", charint(id[3]), charint(id[4]), strint(id+5,2) );
}
else if( !memcmp( id+1, "XC", 2 ) || !memcmp( id+1, "XX", 2 ) )
{
tr_snprintf( buf, buflen, "Xtorrent %d.%d (%d)", charint(id[3]), charint(id[4]), strint(id+5,2) );
}
else if( !memcmp( id+1, "BOW", 3 ) )
{
if( !memcmp( &id[4], "A0B", 3 ) ) tr_snprintf( buf, buflen, "Bits on Wheels 1.0.5" );
else if( !memcmp( &id[4], "A0C", 3 ) ) 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] );
}
if( *buf )
return;
}
/* 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 ) return;
}
if( decodeBitCometClient( buf, buflen, id ) )
return;
/* Clients with no version */
if( !memcmp( id, "AZ2500BT", 8 ) ) no_version( buf, buflen, "BitTyrant (Azureus Mod)" );
else if( !memcmp( id, "LIME", 4 ) ) no_version( buf, buflen, "Limewire" );
else if( !memcmp( id, "martini", 7 ) ) no_version( buf, buflen, "Martini Man" );
else if( !memcmp( id, "Pando", 5 ) ) no_version( buf, buflen, "Pando" );
else if( !memcmp( id, "a00---0", 7 ) ) no_version( buf, buflen, "Swarmy" );
else if( !memcmp( id, "a02---0", 7 ) ) no_version( buf, buflen, "Swarmy" );
else if( !memcmp( id, "-G3", 3 ) ) no_version( buf, buflen, "G3 Torrent" );
else if( !memcmp( id, "10-------", 9 ) ) no_version( buf, buflen, "JVtorrent" );
else if( !memcmp( id, "346-", 4 ) ) no_version( buf, buflen, "TorrentTopia" );
else if( !memcmp( id, "eX", 2 ) ) no_version( buf, buflen, "eXeem" );
else if( !memcmp( id, "aria2-", 6 ) ) no_version( buf, buflen, "aria2" );
else if( !memcmp( id, "-WT-", 4 ) ) no_version( buf, buflen, "BitLet" );
else if( !memcmp( id, "-FG", 3 ) ) two_major_two_minor( buf, buflen, "FlashGet", id+3 );
/* Everything else */
else if( !memcmp( id, "S3", 2 ) && id[2] == '-' && id[4] == '-' && id[6] == '-' )
{
tr_snprintf( buf, buflen, "Amazon S3 %c.%c.%c", id[3], id[5], id[7] );
}
else if( !memcmp( id, "OP", 2 ) )
{
tr_snprintf( buf, buflen, "Opera (Build %c%c%c%c)", id[2], id[3], id[4], id[5] );
}
else if( !memcmp( id, "-ML", 3 ) )
{
tr_snprintf( buf, buflen, "MLDonkey %c%c%c%c%c", id[3], id[4], id[5], id[6], id[7] );
}
else if( !memcmp( id, "DNA", 3 ) )
{
tr_snprintf( buf, buflen, "BitTorrent DNA %d.%d.%d", strint(id+3,2),
strint(id+5,2),
strint(id+7,2) );
}
else if( !memcmp( id, "Plus", 4 ) )
{
tr_snprintf( buf, buflen, "Plus! v2 %c.%c%c", id[4], id[5], id[6] );
}
else if( !memcmp( id, "XBT", 3 ) )
{
tr_snprintf( buf, buflen, "XBT Client %c.%c.%c%s", id[3], id[4], id[5], getMnemonicEnd(id[6]) );
}
else if( !memcmp( id, "Mbrst", 5 ) )
{
tr_snprintf( buf, buflen, "burst! %c.%c.%c", id[5], id[7], id[9] );
}
else if( !memcmp( id, "btpd", 4 ) )
{
tr_snprintf( buf, buflen, "BT Protocol Daemon %c%c%c", id[5], id[6], id[7] );
}
else if( !memcmp( id, "BLZ", 3 ) )
{
tr_snprintf( buf, buflen, "Blizzard Downloader %d.%d", id[3]+1, id[4] );
}
else if( !memcmp( id, "-SP", 3 ) )
{
three_digits( buf, buflen, "BitSpirit", id+3 );
}
else if( '\0' == id[0] && !memcmp( id+2, "BS", 2 ) )
{
tr_snprintf( buf, buflen, "BitSpirit %u", ( id[1] == 0 ? 1 : id[1] ) );
}
else if( !memcmp( id, "QVOD", 4 ) )
{
four_digits( buf, buflen, "QVOD", id+4 );
}
else if( !memcmp( id, "-NE", 3 ) )
{
four_digits( buf, buflen, "BT Next Evolution", id+3 );
}
/* Shad0w-style */
{
int a, b, c;
if( strchr( "AOQRSTU", id[0] )
&& getShadowInt( id[1], &a )
&& getShadowInt( id[2], &b )
&& getShadowInt( id[3], &c ) )
{
const char * 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 )
{
tr_snprintf( buf, buflen, "%s %d.%d.%d", name, a, b, c );
return;
}
}
}
/* No match */
if( !*buf )
{
char out[32], *walk=out;
const char *in, *in_end;
for( in=(const char*)id, in_end=in+8; in!=in_end; ++in ) {
if( isprint( *in ) )
*walk++ = *in;
else {
tr_snprintf( walk, out+sizeof(out)-walk, "%%%02X", (unsigned int)*in );
walk += 3;
}
}
*walk = '\0';
tr_strlcpy( buf, out, buflen );
}
}
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