| 1 |
=head1 NAME |
| 2 |
|
| 3 |
Net::Whois::IP - find whois data for ip addresses |
| 4 |
|
| 5 |
=head1 SYNOPSIS |
| 6 |
|
| 7 |
use Net::Whois::IP; |
| 8 |
|
| 9 |
=head1 DESCRIPTION |
| 10 |
|
| 11 |
=over 4 |
| 12 |
|
| 13 |
=cut |
| 14 |
|
| 15 |
package Net::Whois::IP; |
| 16 |
|
| 17 |
BEGIN { |
| 18 |
$VERSION = 0.01; |
| 19 |
@EXPORT_OK = qw(); |
| 20 |
} |
| 21 |
|
| 22 |
use base Exporter; |
| 23 |
|
| 24 |
use Carp; |
| 25 |
|
| 26 |
use Socket; |
| 27 |
|
| 28 |
use BerkeleyDB; |
| 29 |
|
| 30 |
use Coro; |
| 31 |
use Coro::Event; |
| 32 |
use Coro::Semaphore; |
| 33 |
use Coro::SemaphoreSet; |
| 34 |
use Coro::Socket; |
| 35 |
use Coro::Timer; |
| 36 |
use Coro::Channel; |
| 37 |
|
| 38 |
my %server; |
| 39 |
|
| 40 |
sub new_btree { |
| 41 |
new BerkeleyDB::Btree |
| 42 |
-Env => $db_env, |
| 43 |
-Filename => $_[0], |
| 44 |
-Flags => DB_CREATE, |
| 45 |
or die "$_[0]: unable to create/open table"; |
| 46 |
} |
| 47 |
|
| 48 |
sub ip_range { |
| 49 |
my $range = $_[0]; |
| 50 |
|
| 51 |
if ($range =~ /^ |
| 52 |
(2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
| 53 |
(?:\. |
| 54 |
(2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
| 55 |
(?:\. |
| 56 |
(2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
| 57 |
(?:\. |
| 58 |
(2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]) |
| 59 |
)? |
| 60 |
)? |
| 61 |
)? |
| 62 |
\/ |
| 63 |
([0-9]+) |
| 64 |
$/x) { |
| 65 |
my $ip = inet_aton sprintf "%d.%d.%d.%d", $1, $2, $3, $4; |
| 66 |
my $net = 1 << (31 - $5); |
| 67 |
my $mask = inet_aton 2 ** 32 - $net; |
| 68 |
|
| 69 |
my $ip1 = $ip & $mask; |
| 70 |
my $ip2 = $ip1 | inet_aton $net * 2 - 1; |
| 71 |
return unpack "N2", "$ip1$ip2"; |
| 72 |
} elsif ($range =~ /^\s*([0-9.]+)\s*-\s*([0-9.]+)\s*$/) { |
| 73 |
unpack "N*", (inet_aton $1) . (inet_aton $2); |
| 74 |
} else { |
| 75 |
die "$range: unable to parse ip range"; |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
package Net::Whois::IP::base; |
| 80 |
|
| 81 |
sub new { |
| 82 |
my $class = shift; |
| 83 |
my $self = bless { |
| 84 |
name => @_, |
| 85 |
}, $class; |
| 86 |
$self->{request} ||= new Coro::Channel $self->{request_backlog} || 10; |
| 87 |
$self->{daemon} = Coro::async { |
| 88 |
while () { |
| 89 |
eval { $self->_daemon }; |
| 90 |
warn "restarting daemon for whois server $self->{name}: $@"; |
| 91 |
} |
| 92 |
}; |
| 93 |
$self->{daemon}->prio(1); |
| 94 |
$self->{cache} = Net::Whois::IP::new_btree "whois_" . lc $self->{name}; |
| 95 |
$server{$self->{name}} = $self; |
| 96 |
} |
| 97 |
|
| 98 |
sub _failure { |
| 99 |
my ($self, $min) = shift; |
| 100 |
undef $self->{fh}; |
| 101 |
$self->{retry} = $min if $self->{retry} < $min; |
| 102 |
Coro::Timer::sleep 1.5 ** $self->{retry} - 2 if $self->{retry}; |
| 103 |
$self->{retry}++ if $self->{retry} < 17; |
| 104 |
} |
| 105 |
|
| 106 |
sub _ok { |
| 107 |
my $self = shift; |
| 108 |
$self->{retry} = 0; |
| 109 |
} |
| 110 |
|
| 111 |
sub _query { |
| 112 |
my ($self, $query) = @_; |
| 113 |
|
| 114 |
my $response; |
| 115 |
|
| 116 |
if (!$self->{cache}->db_get($query, $response)) { |
| 117 |
$response =~ s/^[^\x00]+\x00//; |
| 118 |
return $response; |
| 119 |
} |
| 120 |
|
| 121 |
my $request = { |
| 122 |
ready => (new Coro::Semaphore 0), |
| 123 |
query => $query, |
| 124 |
}; |
| 125 |
|
| 126 |
$self->{request}->put($request); |
| 127 |
$request->{ready}->down; |
| 128 |
|
| 129 |
$request->{response} =~ s/\015//g; |
| 130 |
$request->{response} =~ s/\012/\n/g if "\012" ne "\n"; |
| 131 |
|
| 132 |
$response = time . "\x00" . $request->{response}; |
| 133 |
|
| 134 |
$self->{cache}->db_put($query, $response); |
| 135 |
|
| 136 |
$request->{response}; |
| 137 |
} |
| 138 |
|
| 139 |
sub ip_query { |
| 140 |
my ($self, $ip) = @_; |
| 141 |
$self->sanitize_ip_response($self->_query($ip)); |
| 142 |
} |
| 143 |
|
| 144 |
sub sanitize_ip_response { |
| 145 |
my ($self, $response) = @_; |
| 146 |
$response; |
| 147 |
} |
| 148 |
|
| 149 |
sub parse_ip_response { |
| 150 |
my ($self, $response, $tags, $res) = @_; |
| 151 |
$res->{whois_server} = $self->{name}; |
| 152 |
while ($response =~ /^([^:]+):[ \t]* |
| 153 |
( |
| 154 |
.* |
| 155 |
(?:\n[\t ].*)* |
| 156 |
) |
| 157 |
/mgx) { |
| 158 |
my ($tag, $val) = ($1, $2); |
| 159 |
if (exists $tags->{$tag}) { |
| 160 |
push @{$res->{$tags->{$tag}}}, $val if defined $tags->{$tag}; |
| 161 |
} else { |
| 162 |
use Carp; |
| 163 |
confess "unknown tag $tag=$val"; |
| 164 |
} |
| 165 |
} |
| 166 |
$res; |
| 167 |
} |
| 168 |
|
| 169 |
# check wether the given response is a referral to another server |
| 170 |
# find out which one, and the ip range we were referred |
| 171 |
sub is_ip_referral { |
| 172 |
my ($self, $response) = @_; |
| 173 |
# ($iprange, $server) |
| 174 |
(); |
| 175 |
} |
| 176 |
|
| 177 |
package Net::Whois::IP::whois; |
| 178 |
|
| 179 |
# plain whois, as used by ripe and apnic |
| 180 |
|
| 181 |
use base Net::Whois::IP::base; |
| 182 |
|
| 183 |
sub _daemon { |
| 184 |
my $self = shift; |
| 185 |
my $request; |
| 186 |
while ($request = $self->{request}->get) { |
| 187 |
my $fh = new Coro::Socket PeerHost => $self->{server} |
| 188 |
or $self->_failure, redo; |
| 189 |
|
| 190 |
$fh->print("$request->{query}\012"); |
| 191 |
$fh->sysread($request->{response}, 16384); |
| 192 |
|
| 193 |
length $request->{response} or $self->_failure, redo; |
| 194 |
$request->{response} =~ /^% query rate limit exceeded/im and $self->_failure(9), redo; |
| 195 |
|
| 196 |
$self->_ok; |
| 197 |
$request->{ready}->up; |
| 198 |
} |
| 199 |
} |
| 200 |
|
| 201 |
sub sanitize_ip_response { |
| 202 |
my ($self, $response) = @_; |
| 203 |
$response = "" if $response =~ /^% not assigned/im; |
| 204 |
$response =~ s/^%.*//mg; |
| 205 |
$response =~ s/[ \t]+$//mg; # brnic, maybe others |
| 206 |
$response =~ s/^\n+//; |
| 207 |
$response =~ s/\n\n.*//s; |
| 208 |
$self->SUPER::sanitize_ip_response($response); |
| 209 |
} |
| 210 |
|
| 211 |
sub parse_ip_response { |
| 212 |
my ($self, $response, $tags) = @_; |
| 213 |
$self->SUPER::parse_ip_response($response, $tags || { |
| 214 |
inetnum => "netblock", |
| 215 |
netname => "netname", |
| 216 |
descr => "description", |
| 217 |
owner => "description", |
| 218 |
address => "description", |
| 219 |
phone => "description", |
| 220 |
country => "country", |
| 221 |
ownerid => "owner-c", |
| 222 |
"admin-c" => "admin-c", |
| 223 |
"tech-c" => "tech-c", |
| 224 |
"owner-c" => "owner-c", |
| 225 |
"abuse-c" => "abuse-c", |
| 226 |
status => "status", |
| 227 |
notify => "notify", |
| 228 |
changed => "changed", |
| 229 |
created => "created", |
| 230 |
source => "source", |
| 231 |
remarks => "remarks", |
| 232 |
"mnt-by" => "mnt-by", |
| 233 |
"mnt-irt" => "irt-c", # incident response team |
| 234 |
"rev-srv" => "nameserver", |
| 235 |
nserver => "nameserver", |
| 236 |
"mnt-lower" => undef, |
| 237 |
"mnt-routes"=> undef, |
| 238 |
responsible => undef, |
| 239 |
nsstat => undef, |
| 240 |
nslastaa => undef, |
| 241 |
"aut-num" => undef, |
| 242 |
inetrev => undef, # nameserver-dependent |
| 243 |
"inetnum-up" => undef, |
| 244 |
}); |
| 245 |
} |
| 246 |
|
| 247 |
sub is_ip_referral { |
| 248 |
my ($self, $response) = @_; |
| 249 |
$response =~ /^inetnum:\s+(.*)/m |
| 250 |
or return; |
| 251 |
my $iprange = $1; |
| 252 |
if ($response =~ /^remarks:\s+These addresses have been further assigned to Brazilian users./m) { |
| 253 |
return ($iprange, $server{BRNIC}); |
| 254 |
} |
| 255 |
# ($iprange, $server) |
| 256 |
(); |
| 257 |
} |
| 258 |
|
| 259 |
package Net::Whois::IP::jpnic; |
| 260 |
|
| 261 |
# totally different result format |
| 262 |
|
| 263 |
use base Net::Whois::IP::whois; |
| 264 |
|
| 265 |
sub ip_query { |
| 266 |
my ($self, $ip) = @_; |
| 267 |
$self->SUPER::ip_query("$ip/e"); |
| 268 |
} |
| 269 |
|
| 270 |
sub sanitize_ip_response { |
| 271 |
my ($self, $response) = @_; |
| 272 |
$response =~ s/^\[\s.*//mg; |
| 273 |
$response =~ s/^(?:\w\.\ )? \[ ([^\]]+) \] (.*)/$1: $2/mgx; |
| 274 |
$self->SUPER::sanitize_ip_response($response); |
| 275 |
} |
| 276 |
|
| 277 |
sub parse_ip_response { |
| 278 |
my ($self, $response) = @_; |
| 279 |
$self->SUPER::parse_ip_response($response, { |
| 280 |
"Network Information" => undef, |
| 281 |
"Network Number" => "netblock", |
| 282 |
"Network Name" => "netname", |
| 283 |
"Organization" => "description", |
| 284 |
"Administrative Contact" => "admin-c", |
| 285 |
"Technical Contact" => "tech-c", |
| 286 |
"Nameserver" => "nameserver", |
| 287 |
"Reply Mail" => undef, |
| 288 |
"Assigned Date" => "created", |
| 289 |
"Return Date" => "expires", |
| 290 |
"Last Update" => "changed", |
| 291 |
}, { |
| 292 |
country => "JP", |
| 293 |
}); |
| 294 |
} |
| 295 |
|
| 296 |
package Net::Whois::IP::ripe; |
| 297 |
|
| 298 |
# keepalive whois, as used by ripe and apnic |
| 299 |
|
| 300 |
use base Net::Whois::IP::whois; |
| 301 |
|
| 302 |
sub _daemon { |
| 303 |
my $self = shift; |
| 304 |
my $fh; |
| 305 |
|
| 306 |
my $request; |
| 307 |
while ($request = $self->{request}->get) { |
| 308 |
unless ($self->{fh}) { |
| 309 |
$fh = new Coro::Socket PeerHost => $self->{server}; |
| 310 |
$fh or $self->_failure, redo; |
| 311 |
} |
| 312 |
|
| 313 |
$fh->print("-k $request->{query}\012"); |
| 314 |
$request->{response} = $fh->readline("\012\012\012"); |
| 315 |
length $request->{response} |
| 316 |
or $self->_failure, redo; |
| 317 |
|
| 318 |
$self->_ok; |
| 319 |
$request->{ready}->up; |
| 320 |
} |
| 321 |
} |
| 322 |
|
| 323 |
sub sanitize_ip_response { |
| 324 |
my ($self, $response) = @_; |
| 325 |
$response = "" if $response =~ /^netname:\s+IANA-BLK$/m; |
| 326 |
$response = "" if $response =~ /This network range is not allocated to APNIC./; |
| 327 |
# $response = "" if $response =~ /^remarks:\s+.*the IP has not been allocated by APNIC./m; |
| 328 |
$self->SUPER::sanitize_ip_response($response); |
| 329 |
} |
| 330 |
|
| 331 |
package Net::Whois::IP::rwhois; |
| 332 |
|
| 333 |
# rwhois 1.5, of course, as usual arin's implementation is utterly broken |
| 334 |
# and doesn't help very much |
| 335 |
|
| 336 |
use base Net::Whois::IP::base; |
| 337 |
|
| 338 |
sub _request { |
| 339 |
my $self = shift; |
| 340 |
my ($response, $error); |
| 341 |
|
| 342 |
$self->{fh}->print("$_[0]\015\012"); |
| 343 |
while (defined (my $line = $self->{fh}->readline)) { |
| 344 |
$line =~ s/[\015\012]+$/\012/g; |
| 345 |
$response .= $line; |
| 346 |
$line =~ /^%(ok|error)/ and return $response; |
| 347 |
} |
| 348 |
return; |
| 349 |
} |
| 350 |
|
| 351 |
sub _daemon { |
| 352 |
my $self = shift; |
| 353 |
my $request; |
| 354 |
while ($request = $self->{request}->get) { |
| 355 |
unless ($self->{fh}) { |
| 356 |
$self->{fh} = new Coro::Socket PeerHost => $self->{server}; |
| 357 |
$self->{fh} or $self->_failure, redo; |
| 358 |
$self->{fh}->readline =~ /^%rwhois / or $self->_failure, redo; |
| 359 |
$self->_request("-rwhois V-1.5 Net::Whois::IP") or $self->_failure, redo; |
| 360 |
$self->_request("-forward off") or $self->_failure, redo; |
| 361 |
$self->_request("-holdconnect on") or $self->_failure, redo; |
| 362 |
} |
| 363 |
$request->{response} = $self->_request($request->{query}) |
| 364 |
or $self->_failure, redo; |
| 365 |
$request->{response} =~ s/^%error 330.*/%ok/m; |
| 366 |
$self->_ok; |
| 367 |
$request->{ready}->up; |
| 368 |
} |
| 369 |
} |
| 370 |
|
| 371 |
sub ip_query { |
| 372 |
my ($self, $ip) = @_; |
| 373 |
$self->SUPER::ip_query("network $ip"); |
| 374 |
} |
| 375 |
|
| 376 |
sub sanitize_ip_response { |
| 377 |
my ($self, $response) = @_; |
| 378 |
$response =~ s/^% referral/REFERRAL:/mg; |
| 379 |
$response =~ s/^%.*//mg; |
| 380 |
$response =~ s/\n\n.*//s; |
| 381 |
$response = "" if $response =~ /^network:Org-Name:Various Registries \(Maintained by ARIN\)/m; |
| 382 |
$response =~ s/^([^:]+):([^:]+):/$1-\L$2: /mg; |
| 383 |
$response; |
| 384 |
} |
| 385 |
|
| 386 |
sub parse_ip_response { |
| 387 |
my ($self, $response) = @_; |
| 388 |
$self->SUPER::parse_ip_response($response, { |
| 389 |
"network-class-name" => undef, |
| 390 |
"network-auth-area" => "auth-area", |
| 391 |
"network-id" => "id", |
| 392 |
"network-handle" => "handle", |
| 393 |
"network-network-name" => "netname", |
| 394 |
"network-ip-network" => undef, |
| 395 |
"network-ip-network-block" => "netblock", |
| 396 |
"network-org-name" => "description", |
| 397 |
"network-street-address" => "address", |
| 398 |
"network-city" => "address", |
| 399 |
"network-state" => "address", |
| 400 |
"network-postal-code" => "address", |
| 401 |
"network-country-code" => "country", |
| 402 |
"network-tech-contact;i" => "tech-c", |
| 403 |
"network-admin-contact;i" => "admin-c", |
| 404 |
"network-created" => "created", |
| 405 |
"network-updated" => "changed", |
| 406 |
}); |
| 407 |
} |
| 408 |
|
| 409 |
sub is_ip_referral { |
| 410 |
my ($self, $response) = @_; |
| 411 |
$response =~ /^network-ip-network-block:(.*)$/m |
| 412 |
or return (); |
| 413 |
my $iprange = $1; |
| 414 |
if ($response =~ /^REFERRAL: rwhois:\/\/([^\/]+)/m) { |
| 415 |
my $server = $1; |
| 416 |
if ($server =~ /^whois.ripe.net/) { |
| 417 |
return ($iprange, $server{RIPE}); |
| 418 |
} elsif ($server =~ /^rwhois.nic.ad.jp/) { |
| 419 |
return ($iprange, $server{JPNIC}); |
| 420 |
} elsif ($server =~ /^r?whois.apnic.net/) { |
| 421 |
return ($iprange, $server{APNIC}); |
| 422 |
} elsif ($server =~ /^rwhois.lacnic.net/) { |
| 423 |
return ($iprange, $server{LACNIC}); # not yet seen, hope it will be implemented like this |
| 424 |
} elsif ($server =~ /^rwhois.internex.net/) { |
| 425 |
# alive(!) |
| 426 |
return (); |
| 427 |
} elsif ($server =~ /^rwhois.nstar.net/) { |
| 428 |
return (); |
| 429 |
} elsif ($server =~ /^rwhois.sesqui.net/) { |
| 430 |
return (); |
| 431 |
} elsif ($server =~ /^nic.ddn.mil/) { |
| 432 |
# whois.nic.mil (the actual address) only supports the antique |
| 433 |
# nonparsable arin whois format |
| 434 |
return (); |
| 435 |
} else { |
| 436 |
die "$response\nreferral to whois server $server"; |
| 437 |
} |
| 438 |
die "$server $iprange"; |
| 439 |
} elsif ($response =~ /^network-org-name: Latin American and Caribbean IP address Regional Registry/m) { |
| 440 |
return ($iprange, $server{LACNIC}); |
| 441 |
} elsif ($response =~ /^network-org-name: Asia Pacific Network Information Centre/m) { |
| 442 |
return ($iprange, $server{APNIC}); |
| 443 |
} elsif ($response =~ /^network-org-name: RIPE Network Coordination Centre/m) { |
| 444 |
return ($iprange, $server{RIPE}); |
| 445 |
} |
| 446 |
(); |
| 447 |
} |
| 448 |
|
| 449 |
package Net::Whois::IP; |
| 450 |
|
| 451 |
# add a referral to a specific server |
| 452 |
sub add_referral { |
| 453 |
my ($netblock, $server) = @_; |
| 454 |
my ($ip0, $ip1) = ip_range $netblock; |
| 455 |
$db_referral->db_put( |
| 456 |
(pack "N*", $ip1, $ip0) ^ "\x00\x00\x00\x00\xff\xff\xff\xff", |
| 457 |
$server->{name}, |
| 458 |
); |
| 459 |
} |
| 460 |
|
| 461 |
# get all referrals |
| 462 |
sub parse_referral { |
| 463 |
my ($query, $server) = @_; |
| 464 |
my $referral = $arin->_query("referral $query"); |
| 465 |
|
| 466 |
while ($referral =~ /^referral:Referred-Auth-Area:([0-9.\/]+)$/mg) { |
| 467 |
add_referral $1, $server; |
| 468 |
} |
| 469 |
} |
| 470 |
|
| 471 |
=item init db_home => $path, ... |
| 472 |
|
| 473 |
Initializes the module. |
| 474 |
|
| 475 |
This function must be called before calling any of the other functions, |
| 476 |
and the only required agrument is C<db_home>, the path where the module |
| 477 |
will store it's cache (will be created if neccessary). |
| 478 |
|
| 479 |
Other Arguments: |
| 480 |
|
| 481 |
db_home database home directory |
| 482 |
db_env the database env (should be created by the module itself) |
| 483 |
db_errfile the file wheer the database will output and errors (/dev/fd/2) |
| 484 |
db_cachesize size of the in-memory cache (1_000_000) |
| 485 |
|
| 486 |
=cut |
| 487 |
|
| 488 |
sub init(;%) { |
| 489 |
my (%arg) = @_; |
| 490 |
$arg{db_home} or $arg{db_env} or Carp::croak "either db_home or db_env home must be set"; |
| 491 |
$db_env = $arg{db_env} || do { |
| 492 |
mkdir $arg{db_home}, 0700; |
| 493 |
|
| 494 |
$db_env = new BerkeleyDB::Env |
| 495 |
-Home => $arg{db_home}, |
| 496 |
-Cachesize => $arg{db_cachesize} || 1_000_000, |
| 497 |
-ErrFile => $arg{db_errfile} || "/dev/fd/2", |
| 498 |
-ErrPrefix => "NET-WHOIS-IP", |
| 499 |
-Verbose => 1, |
| 500 |
-Flags => DB_CREATE|DB_RECOVER_FATAL|DB_INIT_MPOOL|DB_INIT_TXN |
| 501 |
or die "$arg{db_home}: unable to create database home"; |
| 502 |
}; |
| 503 |
|
| 504 |
$arin = new Net::Whois::IP::rwhois "ARIN", server => "rwhois.arin.net:rwhois(4321)"; |
| 505 |
|
| 506 |
$ripe = new Net::Whois::IP::ripe "RIPE", server => "whois.ripe.net:whois(43)"; |
| 507 |
$lacnic = new Net::Whois::IP::whois "LACNIC", server => "whois.lacnic.net:whois(43)"; |
| 508 |
$brnic = new Net::Whois::IP::whois "BRNIC", server => "whois.registro.br:whois(43)"; |
| 509 |
$apnic = new Net::Whois::IP::ripe "APNIC", server => "whois.apnic.net:whois(43)"; |
| 510 |
$jpnic = new Net::Whois::IP::jpnic "JPNIC", server => "whois.nic.ad.jp:whois(43)"; |
| 511 |
|
| 512 |
$db_referral = new_btree "referral"; |
| 513 |
|
| 514 |
parse_referral "32.0.0.0", $ripe; |
| 515 |
parse_referral "202.0.0.0", $apnic; |
| 516 |
parse_referral "192.50.0.0", $apnic; |
| 517 |
|
| 518 |
add_referral "129.13.0.0/16", $ripe; |
| 519 |
add_referral "133.0.0.0/8", $jpnic; |
| 520 |
add_referral "200.0.0.0/8", $lacnic; |
| 521 |
add_referral "200.128.0.0/9", $brnic; |
| 522 |
} |
| 523 |
|
| 524 |
=item ip_query $ip |
| 525 |
|
| 526 |
Queries the whois server for the given ip address (which must be something |
| 527 |
inet_aton understands). |
| 528 |
|
| 529 |
The return value currently is a hash, which looks slightly difefrent for |
| 530 |
different registries, see examples. |
| 531 |
|
| 532 |
=cut |
| 533 |
|
| 534 |
sub ip_query { |
| 535 |
my $ip = shift; |
| 536 |
|
| 537 |
my $server = $arin; |
| 538 |
|
| 539 |
my ($prev_response, $prev_server); |
| 540 |
|
| 541 |
referral: |
| 542 |
my $c = $db_referral->db_cursor; |
| 543 |
|
| 544 |
# iterate over all possibly matching referral ranges |
| 545 |
# and choose the one that fits tightest |
| 546 |
my ($k, $v) = (inet_aton $ip); |
| 547 |
if (!$c->c_get($k, $v, DB_SET_RANGE)) { |
| 548 |
find: { |
| 549 |
do { |
| 550 |
my ($ip1, $ip0) = unpack "N*", $k ^ "\x00\x00\x00\x00\xff\xff\xff\xff"; |
| 551 |
my $ipn = unpack "N", inet_aton $ip; |
| 552 |
0 && printf "Q=%15s < %15s < %15s, $v\n", |
| 553 |
(inet_ntoa pack "N", $ip0), |
| 554 |
(inet_ntoa pack "N", $ipn), |
| 555 |
(inet_ntoa pack "N", $ip1); |
| 556 |
|
| 557 |
if ($ipn <= $ip1) { |
| 558 |
if ($ip0 <= $ipn) { |
| 559 |
my ($name, $rip) = split /\t/, $v; |
| 560 |
$server = $server{$name} if $server{$name}; |
| 561 |
$ip = $ip if $rip; |
| 562 |
last; |
| 563 |
} |
| 564 |
} else { |
| 565 |
last; |
| 566 |
} |
| 567 |
} while !$c->c_get($k, $v, DB_NEXT); |
| 568 |
} |
| 569 |
} |
| 570 |
|
| 571 |
my $response = $server->ip_query($ip); |
| 572 |
if ($response) { |
| 573 |
if (my ($iprange, $refer) = $server->is_ip_referral($response)) { |
| 574 |
($prev_server, $prev_response) = ($server, $response); |
| 575 |
$server = $refer; |
| 576 |
add_referral $iprange, $server; |
| 577 |
goto referral; |
| 578 |
} |
| 579 |
} else { |
| 580 |
($server, $response) = ($prev_server, $prev_response); |
| 581 |
} |
| 582 |
|
| 583 |
if (!$response) { |
| 584 |
($server, $response) = ($arin, $arin->ip_query($ip)); |
| 585 |
} |
| 586 |
|
| 587 |
my $res = $server->parse_ip_response($response); |
| 588 |
for my $range (@{$res->{netblock} || []}) { |
| 589 |
if (my ($ip0, $ip1) = eval { ip_range $range }) { |
| 590 |
# limit to /24 |
| 591 |
my $ipn = unpack "N", inet_aton $ip; |
| 592 |
$ip0 = $ipn & 0xffffff00 if $ip0 < ($ipn & 0xffffff00); |
| 593 |
$ip1 = ($ipn + 256 & 0xffffff00) - 1 if $ip1 > ($ipn + 256 & 0xffffff00); |
| 594 |
$db_referral->db_put( |
| 595 |
(pack "N*", $ip1, $ip0) ^ "\x00\x00\x00\x00\xff\xff\xff\xff", |
| 596 |
"$server->{name}\t$ip", |
| 597 |
); |
| 598 |
} |
| 599 |
} |
| 600 |
|
| 601 |
$db_env->txn_checkpoint(10,1,0); |
| 602 |
|
| 603 |
$res; |
| 604 |
} |
| 605 |
|
| 606 |
1; |
| 607 |
|
| 608 |
=back |
| 609 |
|
| 610 |
=head2 WHOIS EXAMPLES |
| 611 |
|
| 612 |
=over 4 |
| 613 |
|
| 614 |
=item RIPE |
| 615 |
|
| 616 |
ip_query "129.13.162.91" => |
| 617 |
( |
| 618 |
source => [ "RIPE" ], |
| 619 |
"mnt-by" => [ "DFN-NTFY" ], |
| 620 |
country => [ "DE" ], |
| 621 |
netname => [ "KLICK" ], |
| 622 |
status => [ "ASSIGNED PI" ], |
| 623 |
description => [ "Karlsruher Lichtleiter Kommunikationsnetz", |
| 624 |
"University of Karlsruhe", |
| 625 |
"Germany" ], |
| 626 |
nameserver => [ "netserv.rz.uni-karlsruhe.de", |
| 627 |
"iraun1.ira.uka.de", |
| 628 |
"deneb.dfn.de", |
| 629 |
"ns.germany.eu.net" ], |
| 630 |
"tech-c" => [ "HUK2-RIPE" ], |
| 631 |
changed => [ "lortz\@rz.uni-karlsruhe.de 19910212", |
| 632 |
"nipper\@ira.uka.de 19920422", |
| 633 |
"nipper\@xlink.net 19930513", |
| 634 |
"rv\@Informatik.Uni-Dortmund.DE 19931129", |
| 635 |
"poldi\@dfn.de 19940309", |
| 636 |
"dolderer\@nic.de 19940930", |
| 637 |
"dolderer\@nic.de 19970821", |
| 638 |
"schweikh\@noc 19990819" ], |
| 639 |
netblock => [ "129.13.0.0 - 129.13.255.255" ], |
| 640 |
"admin-c" => [ "BL118" ], |
| 641 |
notify => [ "guardian\@nic.de" ], |
| 642 |
whois_server => "RIPE" |
| 643 |
) |
| 644 |
|
| 645 |
=item LACNIC |
| 646 |
|
| 647 |
ip_query "200.5.0.0" => |
| 648 |
( |
| 649 |
source => [ "ARIN-LACNIC-TRANSITION" ], |
| 650 |
created => [ 19960205 ], |
| 651 |
country => [ "PR" ], |
| 652 |
changed => [ 19960205 ], |
| 653 |
"owner-c" => [ "PR-PRMS-LACNIC", |
| 654 |
"RS564-ARIN" ], |
| 655 |
netblock => [ "200.5.0/21" ], |
| 656 |
status => [ "assigned" ], |
| 657 |
description => [ "Puerto Rico Medical Services Administration", |
| 658 |
"Management Information Systems Department", |
| 659 |
"PO Box 2129", |
| 660 |
"San Juan, PR 00922-2129", |
| 661 |
"PR" ], |
| 662 |
whois_server => "LACNIC" |
| 663 |
) |
| 664 |
|
| 665 |
=item BRNIC |
| 666 |
|
| 667 |
ip_query "200.128.0.0" => |
| 668 |
( |
| 669 |
created => [ 20000215 ], |
| 670 |
"tech-c" => [ "ALG149" ], |
| 671 |
changed => [ 20001017 ], |
| 672 |
"owner-c" => [ "003.508.097/0001-36", |
| 673 |
"ALG149" ], |
| 674 |
netblock => [ "200.128/16" ], |
| 675 |
"abuse-c" => [ "SIC128" ], |
| 676 |
description => [ "Associa\347\343o Rede Nacional de Ensino e Pesquisa", |
| 677 |
"Estrada Dona Castorina, 110, 353", |
| 678 |
"22460-320 - Rio de Janeiro - RJ", |
| 679 |
"(021) 274-7445 []" ], |
| 680 |
whois_server => "BRNIC", |
| 681 |
nameserver => [ "NS.POP-BA.RNP.BR", |
| 682 |
"SERVER1.POP-DF.RNP.BR", |
| 683 |
"SERVER1.AGR.UFBA.BR", |
| 684 |
"DNS.UFBA.BR" ] |
| 685 |
) |
| 686 |
|
| 687 |
=item JPNIC |
| 688 |
|
| 689 |
ip_query "133.11.128.254" => |
| 690 |
( |
| 691 |
created => [ "" ], |
| 692 |
"tech-c" => [ "AK003JP", |
| 693 |
"MN010JP" ], |
| 694 |
netname => [ "UTSNET" ], |
| 695 |
changed => [ "2002/10/15 13:06:48 (JST)\n kato\@wide.ad.jp" ], |
| 696 |
netblock => [ "133.11.0.0" ], |
| 697 |
"admin-c" => [ "MN010JP" ], |
| 698 |
description => [ "University of Tokyo" ], |
| 699 |
whois_server => "JPNIC", |
| 700 |
expires => [ "" ], |
| 701 |
nameserver => [ "dns1.nc.u-tokyo.ac.jp", |
| 702 |
"dns2.nc.u-tokyo.ac.jp", |
| 703 |
"dns3.nc.u-tokyo.ac.jp", |
| 704 |
"ns.nc.u-tokyo.ac.jp", |
| 705 |
"ns.s.u-tokyo.ac.jp" ] |
| 706 |
) |
| 707 |
|
| 708 |
=item APNIC |
| 709 |
|
| 710 |
ip_query "203.2.75.99" => |
| 711 |
( |
| 712 |
source => [ "APNIC" ], |
| 713 |
"mnt-by" => [ "APNIC-HM" ], |
| 714 |
"tech-c" => [ "TN38-AP" ], |
| 715 |
country => [ "AU" ], |
| 716 |
netname => [ "OPTUSINTERNET-AU" ], |
| 717 |
changed => [ "nobody\@aunic.net 20010524", |
| 718 |
"aunic-transfer\@apnic.net 20010525", |
| 719 |
"hostmaster\@apnic.net 20011004" ], |
| 720 |
netblock => [ "203.2.75.0 - 203.2.75.255" ], |
| 721 |
status => [ "ALLOCATED PORTABLE" ], |
| 722 |
"admin-c" => [ "TN38-AP" ], |
| 723 |
description => [ "OPTUS INTERNET - RETAIL", |
| 724 |
"INTERNET SERVICES", |
| 725 |
"St Leonards, NSW" ], |
| 726 |
whois_server => "APNIC" |
| 727 |
) |
| 728 |
|
| 729 |
=item ARIN |
| 730 |
|
| 731 |
ip_query "68.52.164.8" => |
| 732 |
( |
| 733 |
country => [ "US" ], |
| 734 |
netname => [ "JUMPSTART-DC-5" ], |
| 735 |
"auth-area" => [ "0.0.0.0/0" ], |
| 736 |
description => [ "Comcast Cable Communications, Inc." ], |
| 737 |
created => [ "20200718050000000" ], |
| 738 |
"tech-c" => [ "FG200-ARIN.0.0.0.0/0" ], |
| 739 |
changed => [ "19200307050000000" ], |
| 740 |
handle => [ "NET-68-52-160-0-1" ], |
| 741 |
netblock => [ "68.52.160.0 - 68.52.175.255" ], |
| 742 |
id => [ "NET-68-52-160-0-1.0.0.0.0/0" ], |
| 743 |
address => [ "3 Executive Campus Cherry Hill", |
| 744 |
"NJ", |
| 745 |
"08002" ], |
| 746 |
whois_server => "ARIN" |
| 747 |
) |
| 748 |
|
| 749 |
=back |
| 750 |
|
| 751 |
=head1 AUTHOR |
| 752 |
|
| 753 |
Marc Lehmann <pcg@goof.com> |
| 754 |
http://www.goof.com/pcg/marc/ |
| 755 |
|
| 756 |
=cut |
| 757 |
|
