1 | /* |
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2 | * This file Copyright (C) 2008 Charles Kerr <charles@rebelbase.com> |
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3 | * |
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4 | * This file is licensed by the GPL version 2. Works owned by the |
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5 | * Transmission project are granted a special exemption to clause 2(b) |
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6 | * so that the bulk of its code can remain under the MIT license. |
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7 | * This exemption does not extend to derived works not owned by |
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8 | * the Transmission project. |
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9 | * |
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10 | * $Id: clients.c 6956 2008-10-25 15:08:29Z charles $ |
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11 | */ |
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12 | |
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13 | /* thanks amc1! */ |
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14 | |
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15 | #include <ctype.h> /* isprint, tolower */ |
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16 | #include <stdio.h> |
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17 | #include <stdlib.h> /* strtol */ |
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18 | #include <string.h> |
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19 | |
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20 | #include <libevent/event.h> /* evbuffer */ |
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21 | |
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22 | #include "transmission.h" |
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23 | #include "clients.h" |
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24 | #include "utils.h" |
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25 | |
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26 | static int |
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27 | charint( char ch ) |
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28 | { |
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29 | if( '0' <= ch && ch <= '9' ) return ch - '0'; |
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30 | if( 'A' <= ch && ch <= 'Z' ) return 10 + ch - 'A'; |
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31 | if( 'a' <= ch && ch <= 'z' ) return 36 + ch - 'a'; |
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32 | return 0; |
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33 | } |
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34 | |
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35 | static int |
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36 | getShadowInt( char ch, int * setme ) |
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37 | { |
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38 | const char * str = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-"; |
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39 | const char * pch = strchr( str, ch ); |
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40 | if( !pch ) |
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41 | return 0; |
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42 | *setme = pch - str; |
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43 | return 1; |
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44 | } |
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45 | |
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46 | static int |
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47 | strint( const void * pch, int span ) |
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48 | { |
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49 | char tmp[64]; |
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50 | memcpy( tmp, pch, span ); |
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51 | tmp[span] = '\0'; |
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52 | return strtol( tmp, NULL, 0 ); |
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53 | } |
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54 | |
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55 | static const char* |
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56 | getMnemonicEnd( char ch ) |
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57 | { |
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58 | switch( ch ) |
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59 | { |
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60 | case 'b': case 'B': return " (Beta)"; |
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61 | case 'd': return " (Debug)"; |
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62 | case 'x': case 'X': case 'Z': return " (Dev)"; |
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63 | default: return ""; |
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64 | } |
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65 | } |
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66 | |
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67 | static void |
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68 | three_digits( char * buf, size_t buflen, const char * name, const uint8_t * digits ) |
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69 | { |
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70 | tr_snprintf( buf, buflen, "%s %d.%d.%d", name, |
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71 | charint( digits[0] ), |
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72 | charint( digits[1] ), |
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73 | charint( digits[2] ) ); |
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74 | } |
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75 | static void |
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76 | four_digits( char * buf, size_t buflen, const char * name, const uint8_t * digits ) |
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77 | { |
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78 | tr_snprintf( buf, buflen, "%s %d.%d.%d.%d", name, |
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79 | charint( digits[0] ), |
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80 | charint( digits[1] ), |
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81 | charint( digits[2] ), |
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82 | charint( digits[3] ) ); |
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83 | } |
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84 | static void |
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85 | two_major_two_minor( char * buf, size_t buflen, const char * name, const uint8_t * digits ) |
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86 | { |
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87 | tr_snprintf( buf, buflen, "%s %d.%02d", name, |
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88 | strint( digits, 2 ), |
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89 | strint( digits+2, 2 ) ); |
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90 | } |
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91 | static void |
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92 | no_version( char * buf, size_t buflen, const char * name ) |
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93 | { |
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94 | tr_strlcpy( buf, name, buflen ); |
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95 | } |
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96 | |
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97 | static void |
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98 | mainline_style( char * buf, size_t buflen, const char * name, const uint8_t * id ) |
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99 | { |
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100 | if( id[4] == '-' && id[6] == '-' ) |
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101 | tr_snprintf( buf, buflen, "%s %c.%c.%c", name, id[1], id[3], id[5] ); |
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102 | else if( id[5] == '-' ) |
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103 | tr_snprintf( buf, buflen, "%s %c.%c%c.%c", name, id[1], id[3], id[4], id[6] ); |
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104 | } |
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105 | |
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106 | static int |
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107 | isMainlineStyle( const uint8_t * peer_id ) |
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108 | { |
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109 | /** |
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110 | * One of the following styles will be used: |
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111 | * Mx-y-z-- |
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112 | * Mx-yy-z- |
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113 | */ |
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114 | return peer_id[2]=='-' |
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115 | && peer_id[7]=='-' |
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116 | && ( peer_id[4]=='-' || peer_id[5]=='-' ); |
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117 | } |
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118 | |
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119 | static int |
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120 | decodeBitCometClient( char * buf, size_t buflen, const uint8_t * id ) |
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121 | { |
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122 | int is_bitlord; |
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123 | int major, minor; |
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124 | const char * name; |
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125 | const char * mod = NULL; |
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126 | |
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127 | if( !memcmp( id, "exbc", 4 ) ) mod = ""; |
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128 | else if( !memcmp( id, "FUTB", 4 )) mod = "(Solidox Mod) "; |
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129 | else if( !memcmp( id, "xUTB", 4 )) mod = "(Mod 2) "; |
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130 | else return FALSE; |
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131 | |
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132 | is_bitlord = !memcmp( id+6, "LORD", 4 ); |
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133 | name = (is_bitlord) ? "BitLord " : "BitComet "; |
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134 | major = id[4]; |
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135 | minor = id[5]; |
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136 | |
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137 | /** |
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138 | * Bitcomet, and older versions of BitLord, are of the form x.yy. |
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139 | * Bitcoment 1.0 and onwards are of the form x.y. |
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140 | */ |
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141 | if( is_bitlord && major>0 ) |
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142 | tr_snprintf( buf, buflen, "%s%s%d.%d", name, mod, major, minor ); |
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143 | else |
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144 | tr_snprintf( buf, buflen, "%s%s%d.%02d", name, mod, major, minor ); |
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145 | |
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146 | return TRUE; |
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147 | } |
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148 | |
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149 | static int |
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150 | decodeBitSpiritClient( char * buf, size_t buflen, const uint8_t * id ) |
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151 | { |
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152 | const int isBS = !memcmp( id+2, "BS", 2 ); |
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153 | if( isBS ) |
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154 | { |
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155 | const int version = id[1] ? id[1] : 1; |
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156 | tr_snprintf( buf, buflen, "BitSpirit v%d", version ); |
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157 | } |
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158 | return isBS; |
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159 | } |
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160 | |
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161 | void |
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162 | tr_clientForId( char * buf, size_t buflen, const void * id_in ) |
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163 | { |
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164 | const uint8_t * id = id_in; |
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165 | |
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166 | *buf = '\0'; |
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167 | |
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168 | if( !id ) |
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169 | return; |
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170 | |
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171 | /* Azureus-style */ |
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172 | if( id[0] == '-' && id[7] == '-' ) |
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173 | { |
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174 | if( !memcmp( id+1, "UT", 2 ) ) |
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175 | { |
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176 | tr_snprintf( buf, buflen, "\xc2\xb5Torrent %d.%d.%d%s", |
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177 | strint(id+3,1), strint(id+4,1), strint(id+5,1), getMnemonicEnd(id[6]) ); |
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178 | } |
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179 | |
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180 | else if( !memcmp( id+1, "TR", 2 ) ) |
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181 | { |
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182 | if( !memcmp( id+3, "000", 3 ) ) /* very old client style: -TR0006- is 0.6 */ |
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183 | tr_snprintf( buf, buflen, "Transmission 0.%c", id[6] ); |
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184 | else if( !memcmp( id+3, "00", 2) ) /* previous client style: -TR0072- is 0.72 */ |
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185 | tr_snprintf( buf, buflen, "Transmission 0.%02d", strint(id+5,2) ); |
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186 | else /* current client style: -TR111Z- is 1.11+ */ |
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187 | tr_snprintf( buf, buflen, "Transmission %d.%02d%s", strint(id+3,1), strint(id+4,2), |
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188 | id[6]=='Z' || id[6]=='X' ? "+" : "" ); |
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189 | } |
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190 | |
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191 | else if( !memcmp( id+1, "AZ", 2 ) ) |
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192 | { |
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193 | if( id[3] > '3' || ( id[3] == '3' && id[4] >= '1' ) ) /* Vuze starts at version 3.1.0.0 */ |
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194 | four_digits( buf, buflen, "Vuze", id+3 ); |
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195 | else |
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196 | four_digits( buf, buflen, "Azureus", id+3 ); |
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197 | } |
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198 | |
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199 | else if( !memcmp( id+1, "KT", 2 ) ) |
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200 | { |
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201 | if( id[5] == 'D' ) |
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202 | tr_snprintf( buf, buflen, "KTorrent %d.%d Dev %d", charint(id[3]), charint(id[4]), charint(id[6]) ); |
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203 | else if( id[5] == 'R' ) |
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204 | tr_snprintf( buf, buflen, "KTorrent %d.%d RC %d", charint(id[3]), charint(id[4]), charint(id[6]) ); |
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205 | else |
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206 | three_digits( buf, buflen, "KTorrent", id+3 ); |
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207 | } |
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208 | |
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209 | else if( !memcmp( id+1, "AR", 2 ) ) four_digits( buf, buflen, "Ares", id+3 ); |
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210 | else if( !memcmp( id+1, "AT", 2 ) ) four_digits( buf, buflen, "Artemis", id+3 ); |
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211 | else if( !memcmp( id+1, "AV", 2 ) ) four_digits( buf, buflen, "Avicora", id+3 ); |
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212 | else if( !memcmp( id+1, "BG", 2 ) ) four_digits( buf, buflen, "BTGetit", id+3 ); |
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213 | else if( !memcmp( id+1, "BM", 2 ) ) four_digits( buf, buflen, "BitMagnet", id+3 ); |
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214 | else if( !memcmp( id+1, "BP", 2 ) ) four_digits( buf, buflen, "BitTorrent Pro (Azureus + Spyware)", id+3 ); |
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215 | else if( !memcmp( id+1, "BX", 2 ) ) four_digits( buf, buflen, "BittorrentX", id+3 ); |
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216 | else if( !memcmp( id+1, "bk", 2 ) ) four_digits( buf, buflen, "BitKitten (libtorrent)", id+3 ); |
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217 | else if( !memcmp( id+1, "BS", 2 ) ) four_digits( buf, buflen, "BTSlave", id+3 ); |
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218 | else if( !memcmp( id+1, "BW", 2 ) ) four_digits( buf, buflen, "BitWombat", id+3 ); |
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219 | else if( !memcmp( id+1, "BX", 2 ) ) four_digits( buf, buflen, "BittorrentX", id+3 ); |
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220 | else if( !memcmp( id+1, "EB", 2 ) ) four_digits( buf, buflen, "EBit", id+3 ); |
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221 | else if( !memcmp( id+1, "DE", 2 ) ) four_digits( buf, buflen, "Deluge", id+3 ); |
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222 | else if( !memcmp( id+1, "DP", 2 ) ) four_digits( buf, buflen, "Propogate Data Client", id+3 ); |
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223 | else if( !memcmp( id+1, "FC", 2 ) ) four_digits( buf, buflen, "FileCroc", id+3 ); |
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224 | else if( !memcmp( id+1, "FT", 2 ) ) four_digits( buf, buflen, "FoxTorrent/RedSwoosh", id+3 ); |
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225 | else if( !memcmp( id+1, "GR", 2 ) ) four_digits( buf, buflen, "GetRight", id+3 ); |
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226 | else if( !memcmp( id+1, "HN", 2 ) ) four_digits( buf, buflen, "Hydranode", id+3 ); |
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227 | else if( !memcmp( id+1, "LC", 2 ) ) four_digits( buf, buflen, "LeechCraft", id+3 ); |
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228 | else if( !memcmp( id+1, "LH", 2 ) ) four_digits( buf, buflen, "LH-ABC", id+3 ); |
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229 | else if( !memcmp( id+1, "NX", 2 ) ) four_digits( buf, buflen, "Net Transport", id+3 ); |
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230 | else if( !memcmp( id+1, "MO", 2 ) ) four_digits( buf, buflen, "MonoTorrent", id+3 ); |
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231 | else if( !memcmp( id+1, "MR", 2 ) ) four_digits( buf, buflen, "Miro", id+3 ); |
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232 | else if( !memcmp( id+1, "MT", 2 ) ) four_digits( buf, buflen, "Moonlight", id+3 ); |
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233 | else if( !memcmp( id+1, "OT", 2 ) ) four_digits( buf, buflen, "OmegaTorrent", id+3 ); |
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234 | else if( !memcmp( id+1, "PD", 2 ) ) four_digits( buf, buflen, "Pando", id+3 ); |
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235 | else if( !memcmp( id+1, "QD", 2 ) ) four_digits( buf, buflen, "QQDownload", id+3 ); |
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236 | else if( !memcmp( id+1, "RS", 2 ) ) four_digits( buf, buflen, "Rufus", id+3 ); |
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237 | else if( !memcmp( id+1, "RT", 2 ) ) four_digits( buf, buflen, "Retriever", id+3 ); |
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238 | else if( !memcmp( id+1, "SS", 2 ) ) four_digits( buf, buflen, "SwarmScope", id+3 ); |
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239 | else if( !memcmp( id+1, "SZ", 2 ) ) four_digits( buf, buflen, "Shareaza", id+3 ); |
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240 | else if( !memcmp( id+1, "S~", 2 ) ) four_digits( buf, buflen, "Shareaza", id+3 ); |
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241 | else if( !memcmp( id+1, "st", 2 ) ) four_digits( buf, buflen, "SharkTorrent", id+3 ); |
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242 | else if( !memcmp( id+1, "TN", 2 ) ) four_digits( buf, buflen, "Torrent .NET", id+3 ); |
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243 | else if( !memcmp( id+1, "TS", 2 ) ) four_digits( buf, buflen, "TorrentStorm", id+3 ); |
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244 | else if( !memcmp( id+1, "UL", 2 ) ) four_digits( buf, buflen, "uLeecher!", id+3 ); |
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245 | else if( !memcmp( id+1, "VG", 2 ) ) four_digits( buf, buflen, "Vagaa", id+3 ); |
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246 | else if( !memcmp( id+1, "WT", 2 ) ) four_digits( buf, buflen, "BitLet", id+3 ); |
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247 | else if( !memcmp( id+1, "WY", 2 ) ) four_digits( buf, buflen, "Wyzo", id+3 ); |
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248 | else if( !memcmp( id+1, "XL", 2 ) ) four_digits( buf, buflen, "Xunlei", id+3 ); |
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249 | else if( !memcmp( id+1, "XT", 2 ) ) four_digits( buf, buflen, "XanTorrent", id+3 ); |
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250 | else if( !memcmp( id+1, "ZT", 2 ) ) four_digits( buf, buflen, "Zip Torrent", id+3 ); |
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251 | |
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252 | else if( !memcmp( id+1, "AG", 2 ) ) three_digits( buf, buflen, "Ares", id+3 ); |
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253 | else if( !memcmp( id+1, "A~", 2 ) ) three_digits( buf, buflen, "Ares", id+3 ); |
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254 | else if( !memcmp( id+1, "ES", 2 ) ) three_digits( buf, buflen, "Electric Sheep", id+3 ); |
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255 | else if( !memcmp( id+1, "HL", 2 ) ) three_digits( buf, buflen, "Halite", id+3 ); |
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256 | else if( !memcmp( id+1, "LT", 2 ) ) three_digits( buf, buflen, "libtorrent (Rasterbar)", id+3 ); |
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257 | else if( !memcmp( id+1, "lt", 2 ) ) three_digits( buf, buflen, "libTorrent (Rakshasa)", id+3 ); |
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258 | else if( !memcmp( id+1, "MP", 2 ) ) three_digits( buf, buflen, "MooPolice", id+3 ); |
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259 | else if( !memcmp( id+1, "TT", 2 ) ) three_digits( buf, buflen, "TuoTu", id+3 ); |
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260 | else if( !memcmp( id+1, "qB", 2 ) ) three_digits( buf, buflen, "qBittorrent", id+3 ); |
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261 | |
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262 | else if( !memcmp( id+1, "AX", 2 ) ) two_major_two_minor( buf, buflen, "BitPump", id+3 ); |
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263 | else if( !memcmp( id+1, "BC", 2 ) ) two_major_two_minor( buf, buflen, "BitComet", id+3 ); |
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264 | else if( !memcmp( id+1, "CD", 2 ) ) two_major_two_minor( buf, buflen, "Enhanced CTorrent", id+3 ); |
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265 | else if( !memcmp( id+1, "LP", 2 ) ) two_major_two_minor( buf, buflen, "Lphant", id+3 ); |
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266 | |
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267 | else if( !memcmp( id+1, "BF", 2 ) ) no_version( buf, buflen, "BitFlu" ); |
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268 | else if( !memcmp( id+1, "LW", 2 ) ) no_version( buf, buflen, "LimeWire" ); |
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269 | |
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270 | else if( !memcmp( id+1, "BB", 2 ) ) |
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271 | { |
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272 | tr_snprintf( buf, buflen, "BitBuddy %c.%c%c%c", id[3], id[4], id[5], id[6] ); |
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273 | } |
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274 | else if( !memcmp( id+1, "BR", 2 ) ) |
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275 | { |
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276 | tr_snprintf( buf, buflen, "BitRocket %c.%c (%c%c)", id[3], id[4], id[5], id[6] ); |
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277 | } |
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278 | else if( !memcmp( id+1, "CT", 2 ) ) |
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279 | { |
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280 | tr_snprintf( buf, buflen, "CTorrent %d.%d.%02d", charint(id[3]), charint(id[4]), strint(id+5,2) ); |
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281 | } |
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282 | else if( !memcmp( id+1, "XX", 2 ) ) |
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283 | { |
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284 | tr_snprintf( buf, buflen, "Xtorrent %d.%d (%d)", charint(id[3]), charint(id[4]), strint(id+5,2) ); |
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285 | } |
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286 | else if( !memcmp( id+1, "BOW", 3 ) ) |
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287 | { |
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288 | if( !memcmp( &id[4], "A0B", 3 ) ) tr_snprintf( buf, buflen, "Bits on Wheels 1.0.5" ); |
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289 | else if( !memcmp( &id[4], "A0C", 3 ) ) tr_snprintf( buf, buflen, "Bits on Wheels 1.0.6" ); |
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290 | else tr_snprintf( buf, buflen, "Bits on Wheels %c.%c.%c", id[4], id[5], id[5] ); |
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291 | } |
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292 | |
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293 | if( *buf ) |
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294 | return; |
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295 | } |
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296 | |
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297 | /* Mainline */ |
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298 | if( isMainlineStyle( id ) ) |
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299 | { |
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300 | if( *id=='M' ) mainline_style( buf, buflen, "BitTorrent", id ); |
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301 | if( *id=='Q' ) mainline_style( buf, buflen, "Queen Bee", id ); |
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302 | if( *buf ) return; |
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303 | } |
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304 | |
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305 | if( decodeBitCometClient( buf, buflen, id ) ) |
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306 | return; |
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307 | if( decodeBitSpiritClient( buf, buflen, id ) ) |
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308 | return; |
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309 | |
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310 | /* Clients with no version */ |
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311 | if( !memcmp( id, "AZ2500BT", 8 ) ) no_version( buf, buflen, "BitTyrant (Azureus Mod)" ); |
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312 | else if( !memcmp( id, "LIME", 4 ) ) no_version( buf, buflen, "Limewire" ); |
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313 | else if( !memcmp( id, "martini", 7 ) ) no_version( buf, buflen, "Martini Man" ); |
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314 | else if( !memcmp( id, "Pando", 5 ) ) no_version( buf, buflen, "Pando" ); |
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315 | else if( !memcmp( id, "a00---0", 7 ) ) no_version( buf, buflen, "Swarmy" ); |
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316 | else if( !memcmp( id, "a02---0", 7 ) ) no_version( buf, buflen, "Swarmy" ); |
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317 | else if( !memcmp( id, "-G3", 3 ) ) no_version( buf, buflen, "G3 Torrent" ); |
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318 | else if( !memcmp( id, "10-------", 9 ) ) no_version( buf, buflen, "JVtorrent" ); |
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319 | else if( !memcmp( id, "346-", 4 ) ) no_version( buf, buflen, "TorrentTopia" ); |
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320 | else if( !memcmp( id, "eX", 2 ) ) no_version( buf, buflen, "eXeem" ); |
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321 | else if( !memcmp( id, "-FG", 3 ) ) two_major_two_minor( buf, buflen, "FlashGet", id+3 ); |
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322 | |
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323 | /* Everything else */ |
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324 | else if( !memcmp( id, "S3", 2 ) && id[2] == '-' && id[4] == '-' && id[6] == '-' ) |
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325 | { |
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326 | tr_snprintf( buf, buflen, "Amazon S3 %c.%c.%c", id[3], id[5], id[7] ); |
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327 | } |
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328 | else if( !memcmp( id, "OP", 2 ) ) |
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329 | { |
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330 | tr_snprintf( buf, buflen, "Opera (Build %c%c%c%c)", id[2], id[3], id[4], id[5] ); |
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331 | } |
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332 | else if( !memcmp( id, "-ML", 3 ) ) |
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333 | { |
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334 | tr_snprintf( buf, buflen, "MLDonkey %c%c%c%c%c", id[3], id[4], id[5], id[6], id[7] ); |
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335 | } |
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336 | else if( !memcmp( id, "DNA", 3 ) ) |
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337 | { |
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338 | tr_snprintf( buf, buflen, "BitTorrent DNA %d.%d.%d", strint(id+3,2), |
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339 | strint(id+5,2), |
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340 | strint(id+7,2) ); |
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341 | } |
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342 | else if( !memcmp( id, "Plus", 4 ) ) |
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343 | { |
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344 | tr_snprintf( buf, buflen, "Plus! v2 %c.%c%c", id[4], id[5], id[6] ); |
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345 | } |
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346 | else if( !memcmp( id, "XBT", 3 ) ) |
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347 | { |
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348 | tr_snprintf( buf, buflen, "XBT Client %c.%c.%c%s", id[3], id[4], id[5], getMnemonicEnd(id[6]) ); |
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349 | } |
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350 | else if( !memcmp( id, "Mbrst", 5 ) ) |
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351 | { |
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352 | tr_snprintf( buf, buflen, "burst! %c.%c.%c", id[5], id[7], id[9] ); |
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353 | } |
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354 | else if( !memcmp( id, "btpd", 4 ) ) |
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355 | { |
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356 | tr_snprintf( buf, buflen, "BT Protocol Daemon %c%c%c", id[5], id[6], id[7] ); |
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357 | } |
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358 | else if( !memcmp( id, "BLZ", 3 ) ) |
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359 | { |
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360 | tr_snprintf( buf, buflen, "Blizzard Downloader %d.%d", id[3]+1, id[4] ); |
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361 | } |
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362 | else if( '\0' == id[0] && !memcmp( &id[1], "BS", 2 ) ) |
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363 | { |
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364 | tr_snprintf( buf, buflen, "BitSpirit %u", ( id[1] == 0 ? 1 : id[1] ) ); |
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365 | } |
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366 | else if( !memcmp( id, "QVOD", 4 ) ) |
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367 | { |
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368 | four_digits( buf, buflen, "QVOD", id+4 ); |
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369 | } |
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370 | else if( !memcmp( id, "-NE", 3 ) ) |
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371 | { |
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372 | four_digits( buf, buflen, "BT Next Evolution", id+3 ); |
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373 | } |
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374 | |
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375 | /* Shad0w-style */ |
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376 | { |
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377 | int a, b, c; |
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378 | if( strchr( "AOQRSTU", id[0] ) |
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379 | && getShadowInt( id[1], &a ) |
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380 | && getShadowInt( id[2], &b ) |
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381 | && getShadowInt( id[3], &c ) ) |
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382 | { |
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383 | const char * name = NULL; |
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384 | |
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385 | switch( id[0] ) |
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386 | { |
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387 | case 'A': name = "ABC"; break; |
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388 | case 'O': name = "Osprey"; break; |
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389 | case 'Q': name = "BTQueue"; break; |
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390 | case 'R': name = "Tribler"; break; |
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391 | case 'S': name = "Shad0w"; break; |
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392 | case 'T': name = "BitTornado"; break; |
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393 | case 'U': name = "UPnP NAT Bit Torrent"; break; |
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394 | } |
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395 | |
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396 | if( name ) |
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397 | { |
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398 | tr_snprintf( buf, buflen, "%s %d.%d.%d", name, a, b, c ); |
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399 | return; |
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400 | } |
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401 | } |
---|
402 | } |
---|
403 | |
---|
404 | /* No match */ |
---|
405 | if( !*buf ) |
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406 | { |
---|
407 | struct evbuffer * out = evbuffer_new( ); |
---|
408 | const char *in, *in_end; |
---|
409 | for( in=(const char*)id, in_end=in+8; in!=in_end; ++in ) { |
---|
410 | if( isprint( *in ) ) |
---|
411 | evbuffer_add_printf( out, "%c", *in ); |
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412 | else |
---|
413 | evbuffer_add_printf( out, "%%%02X", (unsigned int)*in ); |
---|
414 | } |
---|
415 | |
---|
416 | tr_strlcpy( buf, EVBUFFER_DATA( out ), buflen ); |
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417 | evbuffer_free( out ); |
---|
418 | } |
---|
419 | } |
---|