/* * This file Copyright (C) 2008-2009 Charles Kerr * * 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 /* isprint, tolower */ #include #include /* strtol */ #include #include /* evbuffer */ #include "transmission.h" #include "clients.h" #include "utils.h" static int charint( char 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( char 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( char 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; } static int decodeBitSpiritClient( char * buf, size_t buflen, const uint8_t * id ) { const int isBS = !memcmp( id+2, "BS", 2 ); if( isBS ) { const int version = id[1] ? id[1] : 1; tr_snprintf( buf, buflen, "BitSpirit v%d", version ); } return isBS; } 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, "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; if( decodeBitSpiritClient( 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-", 7 ) ) 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( '\0' == id[0] && !memcmp( &id[1], "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 ); } }