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9 | =head1 DESCRIPTION |
9 | =head1 DESCRIPTION |
10 | |
10 | |
11 | =over 4 |
11 | =over 4 |
12 | |
12 | |
13 | =cut |
13 | =cut |
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14 | |
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15 | # http://www.irr.net/docs/rpsl.html |
14 | |
16 | |
15 | package Net::Whois::IP; |
17 | package Net::Whois::IP; |
16 | |
18 | |
17 | BEGIN { |
19 | BEGIN { |
18 | $VERSION = 0.01; |
20 | $VERSION = 0.01; |
19 | @EXPORT_OK = qw(); |
21 | @EXPORT_OK = qw(); |
20 | } |
22 | } |
21 | |
23 | |
22 | use base Exporter; |
24 | use base Exporter; |
23 | |
25 | |
24 | =item |
26 | use Carp; |
25 | |
27 | |
26 | =cut |
28 | use Socket; |
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29 | |
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30 | use BerkeleyDB; |
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31 | |
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32 | use Coro; |
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33 | use Coro::Event; |
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34 | use Coro::Semaphore; |
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35 | use Coro::SemaphoreSet; |
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36 | use Coro::Socket; |
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37 | use Coro::Timer; |
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38 | use Coro::Channel; |
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39 | |
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40 | my %server; |
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41 | |
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42 | sub new_btree { |
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43 | new BerkeleyDB::Btree |
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44 | -Env => $db_env, |
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45 | -Filename => $_[0], |
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46 | -Flags => DB_CREATE, |
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47 | or die "$_[0]: unable to create/open table"; |
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48 | } |
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49 | |
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50 | package Net::Whois::IP::base; |
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51 | |
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52 | sub new { |
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53 | my $class = shift; |
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54 | my $self = bless { |
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55 | name => @_, |
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56 | }, $class; |
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57 | $self->{request} ||= new Coro::Channel $self->{request_backlog} || 10; |
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58 | $self->{daemon} = Coro::async { shift->_daemon } $self; |
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59 | $self->{cache} = Net::Whois::IP::new_btree "whois_" . lc $self->{name}; |
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60 | $server{$self->{name}} = $self; |
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61 | } |
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62 | |
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63 | sub _failure { |
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64 | my $self = shift; |
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65 | undef $self->{fh}; |
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66 | Coro::Timer::sleep 1.5 ** $self->{retry} - 2 if $self->{retry}; |
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67 | $self->{retry}++ if $self->{retry} < 17; |
|
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68 | } |
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69 | |
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70 | sub _ok { |
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71 | my $self = shift; |
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72 | $self->{retry} = 0; |
|
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73 | } |
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74 | |
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75 | sub _query { |
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76 | my ($self, $query) = @_; |
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77 | |
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78 | my $response; |
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79 | |
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80 | if (!$self->{cache}->db_get($query, $response)) { |
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81 | $response =~ s/^[^\x00]+\x00//; |
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82 | return $response; |
|
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83 | } |
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84 | |
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85 | my $request = { |
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86 | ready => (new Coro::Semaphore 0), |
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87 | query => $query, |
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88 | }; |
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89 | |
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90 | $self->{request}->put($request); |
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91 | $request->{ready}->down; |
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92 | |
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93 | $response = time . "\x00" . $request->{response}; |
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94 | |
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95 | $self->{cache}->db_put($query, $response); |
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96 | |
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97 | $request->{response}; |
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98 | } |
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99 | |
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100 | sub ip_query { |
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101 | my ($self, $ip) = @_; |
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102 | $self->_query($ip); |
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103 | } |
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104 | |
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105 | sub parse_ip_response { |
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106 | my ($self, $response) = @_; |
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107 | my %response; |
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108 | while ($response =~ /^([^:]+):[ \t]*(.*)$/mg) { |
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109 | push @{$response{$1}}, $2; |
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110 | } |
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111 | \%response; |
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112 | } |
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113 | |
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114 | package Net::Whois::IP::whois; |
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115 | |
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116 | # plain whois, as used by ripe and apnic |
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117 | |
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118 | use base Net::Whois::IP::base; |
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119 | |
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120 | sub _daemon { |
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121 | my $self = shift; |
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122 | while (my $request = $self->{request}->get) { |
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123 | my $fh = new Coro::Socket PeerHost => $self->{server} |
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124 | or $self->_failure, redo; |
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125 | |
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126 | $fh->print("$request->{query}\012"); |
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127 | $fh->sysread($request->{response}, 16384); |
|
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128 | length $request->{response} |
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129 | or $self->_failure, redo; |
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130 | |
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131 | $self->_ok; |
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132 | $request->{ready}->up; |
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133 | } |
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134 | } |
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135 | |
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136 | sub ip_query { |
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137 | my ($self, $ip) = @_; |
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138 | $self->SUPER::ip_query($ip); |
|
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139 | } |
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140 | |
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141 | sub parse_ip_response { |
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142 | my ($self, $response) = @_; |
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143 | $response =~ s/^%.*//mg; |
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144 | $response =~ s/^\012+//; |
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145 | $response =~ s/\012\012.*//s; |
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146 | $self->SUPER::parse_ip_response($response); |
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147 | } |
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148 | |
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149 | package Net::Whois::IP::jpnic; |
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150 | |
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151 | # totally different result format |
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152 | |
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153 | use base Net::Whois::IP::whois; |
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154 | |
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155 | sub ip_query { |
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156 | my ($self, $ip) = @_; |
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157 | $self->SUPER::ip_query("$ip/e"); |
|
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158 | } |
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159 | |
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160 | sub parse_ip_response { |
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161 | my ($self, $response) = @_; |
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162 | $response =~ s/^\[\s.*//mg; |
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163 | $response =~ s/^(?:\w\.\ )? \[ ([^\]]+) \] (.*) (?:\012(?=\s))?/$1: $2/mgx; |
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164 | $self->SUPER::parse_ip_response($response); |
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165 | } |
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166 | |
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167 | package Net::Whois::IP::ripe; |
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168 | |
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169 | # keepalive whois, as used by ripe and apnic |
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170 | |
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171 | use base Net::Whois::IP::whois; |
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172 | |
|
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173 | sub _daemon { |
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174 | my $self = shift; |
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175 | my $fh; |
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176 | |
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177 | while (my $request = $self->{request}->get) { |
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178 | unless ($self->{fh}) { |
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179 | $fh = new Coro::Socket PeerHost => $self->{server}; |
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180 | $fh or $self->_failure, redo; |
|
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181 | } |
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182 | |
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183 | $fh->print("-k $request->{query}\012"); |
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184 | $request->{response} = $fh->readline("\012\012\012"); |
|
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185 | length $request->{response} |
|
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186 | or $self->_failure, redo; |
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187 | |
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188 | $self->_ok; |
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189 | $request->{ready}->up; |
|
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190 | } |
|
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191 | } |
|
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192 | |
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193 | package Net::Whois::IP::rwhois; |
|
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194 | |
|
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195 | # rwhois 1.5 |
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196 | |
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197 | use base Net::Whois::IP::base; |
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198 | |
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199 | sub _request { |
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200 | my $self = shift; |
|
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201 | my ($response, $error); |
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202 | |
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203 | $self->{fh}->print("$_[0]\015\012"); |
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204 | while (defined (my $line = $self->{fh}->readline)) { |
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205 | $line =~ s/[\015\012]+$/\n/g; |
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206 | $response .= $line; |
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207 | $line =~ /^%(ok|error)/ and return $response; |
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208 | } |
|
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209 | return; |
|
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210 | } |
|
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211 | |
|
|
212 | sub _daemon { |
|
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213 | my $self = shift; |
|
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214 | while (my $request = $self->{request}->get) { |
|
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215 | unless ($self->{fh}) { |
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216 | $self->{fh} = new Coro::Socket PeerHost => $self->{server}; |
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217 | $self->{fh} or $self->_failure, redo; |
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218 | $self->{fh}->readline =~ /^%rwhois / or $self->_failure, redo; |
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219 | $self->_request("-rwhois V-1.5 Net::Whois::IP") or $self->_failure, redo; |
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220 | $self->_request("-forward off") or $self->_failure, redo; |
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221 | $self->_request("-holdconnect on") or $self->_failure, redo; |
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222 | } |
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223 | $request->{response} = $self->_request($request->{query}) |
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224 | or $self->_failure, redo; |
|
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225 | $request->{response} =~ s/^%error 330.*/%ok/m; |
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226 | $self->_ok; |
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227 | $request->{ready}->up; |
|
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228 | } |
|
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229 | } |
|
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230 | |
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231 | sub ip_query { |
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232 | my ($self, $ip) = @_; |
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233 | $self->SUPER::ip_query("network $ip"); |
|
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234 | } |
|
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235 | |
|
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236 | sub parse_ip_response { |
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237 | my ($self, $response) = @_; |
|
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238 | $response =~ s/^([^:]+):([^:]+):/$1-\L$2: /mg; |
|
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239 | $response =~ s/^%.*//mg; |
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240 | $response =~ s/\012\012.*//s; |
|
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241 | $self->SUPER::parse_ip_response($response); |
|
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242 | } |
|
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243 | |
|
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244 | package Net::Whois::IP; |
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245 | |
|
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246 | sub ip_range { |
|
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247 | my $range = $_[0]; |
|
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248 | |
|
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249 | if ($range =~ /^ |
|
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250 | (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
|
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251 | (?:\. |
|
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252 | (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
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253 | (?:\. |
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254 | (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
|
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255 | (?:\. |
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256 | (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
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257 | )? |
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258 | )? |
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259 | )? |
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260 | \/ |
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261 | ([0-9]+) |
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262 | $/x) { |
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263 | my $ip = inet_aton sprintf "%d.%d.%d.%d", $1, $2, $3, $4; |
|
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264 | my $net = 1 << (31 - $5); |
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265 | my $mask = inet_aton 2 ** 32 - $net; |
|
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266 | |
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267 | my $ip1 = $ip & $mask; |
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268 | my $ip2 = $ip1 | inet_aton $net * 2 - 1; |
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269 | return unpack "N2", "$ip1$ip2"; |
|
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270 | } elsif ($range =~ /^\s*([0-9.]+)\s*-\s*([0-9.]+)\s*$/) { |
|
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271 | unpack "N2", pack "N2", $1, $2; |
|
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272 | } else { |
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273 | die "$range: unable to parse ip range"; |
|
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274 | } |
|
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275 | } |
|
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276 | |
|
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277 | # add a referral to a specific server |
|
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278 | sub add_referral { |
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279 | my ($netblock, $server) = @_; |
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280 | my ($ip0, $ip1) = ip_range $netblock; |
|
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281 | $db_referral->db_put((pack "N*", $ip1, $ip0) ^ "\x00\x00\x00\x00\xff\xff\xff\xff", "S" . $server->{name}); |
|
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282 | } |
|
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283 | |
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284 | # get all referrals |
|
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285 | sub parse_referral { |
|
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286 | my ($query, $server) = @_; |
|
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287 | my $referral = $arin->_query("referral $query"); |
|
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288 | |
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289 | while ($referral =~ /^referral:Referred-Auth-Area:([0-9.\/]+)$/mg) { |
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290 | add_referral $1, $server; |
|
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291 | } |
|
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292 | } |
|
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293 | |
|
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294 | sub init(;%) { |
|
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295 | my (%arg) = @_; |
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296 | $arg{db_home} or $arg{db_env} or Carp::croak "either db_home or db_env home must be set"; |
|
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297 | $db_env = $arg{db_env} || do { |
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298 | mkdir $arg{db_home}, 0700; |
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299 | |
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300 | $db_env = new BerkeleyDB::Env |
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301 | -Home => $arg{db_home}, |
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302 | -Cachesize => $arg{db_cachesize} || 1_000_000, |
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303 | -ErrFile => $arg{db_errfile} || "/dev/fd/2", |
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304 | -ErrPrefix => "NET-WHOIS-IP", |
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305 | -Verbose => 1, |
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306 | -Flags => DB_CREATE|DB_RECOVER|DB_INIT_MPOOL|DB_INIT_TXN |
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307 | or die "$arg{db_home}: unable to create database home"; |
|
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308 | }; |
|
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309 | |
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310 | $arin = new Net::Whois::IP::rwhois "ARIN", server => "rwhois.arin.net:rwhois(4321)"; |
|
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311 | |
|
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312 | $ripe = new Net::Whois::IP::ripe "RIPE", server => "whois.ripe.net:whois(43)"; |
|
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313 | $lacnic = new Net::Whois::IP::whois "LACNIC", server => "whois.lacnic.net:whois(43)"; |
|
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314 | $brnic = new Net::Whois::IP::whois "BRNIC", server => "whois.registro.br:whois(43)"; |
|
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315 | $apnic = new Net::Whois::IP::ripe "APNIC", server => "whois.apnic.net:whois(43)"; |
|
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316 | $jpnic = new Net::Whois::IP::jpnic "JPNIC", server => "whois.nic.ad.jp:whois(43)"; |
|
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317 | |
|
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318 | $db_referral = new_btree "referral"; |
|
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319 | |
|
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320 | add_referral "129.13.0.0/16", $ripe; |
|
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321 | add_referral "200.0.0.0/8", $lacnic; |
|
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322 | add_referral "200.128.0.0/9", $brnic; |
|
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323 | |
|
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324 | parse_referral "32.0.0.0", $ripe; |
|
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325 | parse_referral "202.0.0.0", $apnic; |
|
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326 | parse_referral "192.50.0.0", $apnic; |
|
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327 | |
|
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328 | add_referral "133.0.0.0/8", $jpnic; |
|
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329 | } |
|
|
330 | |
|
|
331 | ### |
|
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332 | |
|
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333 | init db_home => "/tmp/whois"; |
|
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334 | |
|
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335 | sub ip_query { |
|
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336 | my $ip = shift; |
|
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337 | |
|
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338 | print "Q?$ip "; |
|
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339 | |
|
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340 | my $server = $arin; |
|
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341 | |
|
|
342 | my $c = $db_referral->db_cursor; |
|
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343 | |
|
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344 | my ($k, $v) = (inet_aton $ip); |
|
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345 | if (!$c->c_get($k, $v, DB_SET_RANGE)) { |
|
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346 | my ($ip1, $ip0) = unpack "N*", $k ^ "\x00\x00\x00\x00\xff\xff\xff\xff"; |
|
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347 | my $ipn = unpack "N", inet_aton $ip; |
|
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348 | |
|
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349 | if ($ip0 <= $ipn && $ipn <= $ip1) { |
|
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350 | if ($v =~ s/^S//) { |
|
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351 | $server = $server{$v} if $server{$v}; |
|
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352 | } elsif ($v =~ s/^I//) { |
|
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353 | die; |
|
|
354 | } else { |
|
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355 | # database corrupted or newer |
|
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356 | } |
|
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357 | } |
|
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358 | } |
|
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359 | |
|
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360 | print "($ip,$server->{name})\n"; |
|
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361 | $server->parse_ip_response($server->ip_query($ip)); |
|
|
362 | } |
|
|
363 | |
|
|
364 | for (qw(132.64.0.0 129.13.162.91 193.166.90.111 213.189.83.103 161.142.8.76 66.68.103.189 200.149.85.112 210.49.200.207 133.11.128.254)) { |
|
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365 | use PApp::Util; |
|
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366 | warn PApp::Util::dumpval ip_query($_); |
|
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367 | } |
|
|
368 | |
|
|
369 | exit; |
|
|
370 | |
|
|
371 | __END__ |
27 | |
372 | |
28 | 1; |
373 | 1; |
29 | |
374 | |
30 | =back |
375 | =back |
31 | |
376 | |