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/cvs/Coro/myhttpd/netgeo.pl
Revision: 1.16
Committed: Sat Sep 17 20:21:11 2005 UTC (18 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.15: +3 -2 lines
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File Contents

# Content
1 #!/usr/bin/perl
2
3 # APNIC refer: KRNIC (for 211.104.0.0)
4
5 use Socket;
6 use Fcntl;
7
8 use Coro;
9 use Coro::Event;
10 use Coro::Semaphore;
11 use Coro::SemaphoreSet;
12 use Coro::Socket;
13 use Coro::Timer;
14
15 use BerkeleyDB;
16
17 $Event::DIED = sub {
18 Event::verbose_exception_handler(@_);
19 #Event::unloop_all();
20 };
21
22 tie %netgeo::whois, BerkeleyDB::Btree,
23 -Env => $db_env,
24 -Filename => "whois",
25 -Flags => DB_CREATE,
26 or die "unable to create/open whois table";
27 $netgeo::iprange = new BerkeleyDB::Btree
28 -Env => $db_env,
29 -Filename => "iprange",
30 -Flags => DB_CREATE,
31 or die "unable to create/open iprange table";
32
33 package Whois;
34
35 use Coro::Event;
36
37 sub new {
38 my $class = shift;
39 my $name = shift;
40 my $ip = shift;
41 my $self = bless { name => $name, ip => $ip, @_ }, $class;
42 $self->{maxjobs} = new Coro::Semaphore $self->{maxjobs} || 1;
43 $self;
44 }
45
46 sub ip {
47 $_[0]{ip};
48 }
49
50 sub sanitize {
51 $_[1];
52 }
53
54 sub whois_request {
55 my ($self, $query) = @_;
56
57 my $id = "$self->{name}\x0$query";
58 my $whois = $netgeo::whois{$id};
59
60 unless (defined $whois) {
61 print "WHOIS($self->{name},$query)\n";
62
63 my $guard = $self->{maxjobs}->guard;
64 my $timeout = 5;
65
66 while () {
67 my $fh = new Coro::Socket
68 PeerAddr => $self->ip,
69 PeerPort => $self->{port} || "whois",
70 Timeout => 30;
71 if ($fh) {
72 print $fh "$query\n";
73 $fh->read($whois, 16*1024); # max 16k. whois stored
74 close $fh;
75 $whois =~ s/\015?\012/\n/g;
76 $whois = $self->sanitize($whois);
77 if ($whois eq ""
78 or ($whois =~ /query limit/i && $whois =~ /exceeded/i) # ARIN
79 or ($whois =~ /wait a while and try again/i) # ARIN
80 or ($whois =~ /^%ERROR:202:/) # RIPE/APNIC
81 ) {
82 print "retrying in $timeout seconds\n";#d#
83 do_timer(desc => "timer2", after => $timeout);
84 $timeout *= 2;
85 $timeout = 1 if $timeout > 600;
86 } else {
87 last;
88 }
89 } else {
90 # only retry once a minute
91 print STDERR "unable to connect to $self->{ip} ($self->{name}), retrying...\n";
92 Coro::Timer::sleep 300;
93 }
94 }
95
96 $netgeo::whois{$id} = $whois;
97 }
98
99 $whois;
100 }
101
102 package Whois::ARIN;
103
104 use Date::Parse;
105
106 use base Whois;
107
108 sub sanitize {
109 local $_ = $_[1];
110 s/\n[\t ]{6,}([0-9.]+ - [0-9.]+)/ $1/g;
111 $_;
112 }
113
114 # there are only two problems with arin's whois database:
115 # a) the data cannot be trusted and often is old or even wrong
116 # b) the database format is nonparsable
117 # (no spaces between netname/ip and netnames can end in digits ;)
118 # of course, the only source to find out about global
119 # address distribution is... arin.
120 sub ip_request {
121 my ($self, $ip) = @_;
122
123 my $whois = $self->whois_request($ip);
124
125 return if $whois =~ /^No match/;
126 return if $whois =~ /^\*de: This network range is not allocated to /; # APINIC e.g. 24.0.0.0
127
128 if ($whois =~ /^To single out one record/m) {
129 my $handle;
130 while ($whois =~ /\G\S.*\(([A-Z0-9\-]+)\).*\n/mg) {
131 $handle = $1;
132 #return if $handle =~ /-(RIPE|APNIC)/; # heuristic, but bad because ripe might not have better info
133 }
134 $handle or die "$whois ($ip): unparseable multimatch\n";
135 $whois = $self->whois_request("!$handle");
136 }
137
138 my ($address, $info, $coordinator, undef) = split /\n\n/, $whois;
139
140 $info =~ /^\s+Netname: (\S+)$/mi
141 or die "$whois($ip): no netname\n";
142 my $netname = $1;
143
144 $info =~ /^\s+Netblock: ([0-9.]+\s+-\s+[0-9.]+)\s*$/mi
145 or die "$whois($ip): no netblock\n";
146 my $netblock = $1;
147
148 my $maintainer;
149
150 if ($info =~ /^\s+Maintainer: (\S+)\s*$/mi) {
151 $maintainer = "*ma: $1\n";
152 return if $1 =~ /^(?:AP|RIPE)$/;
153 }
154
155 $coordinator =~ s/^\s+Coordinator:\s*//si
156 or $coordinator = "";
157
158 $address =~ s/\n\s*(\S+)$//
159 or die "$whois($ip): no parseable country ($address)\n";
160 my $country = $1;
161
162 $address =~ s/^\s*/*de: /mg;
163 $coordinator =~ s/^\s*/*ad: /mg;
164
165 $whois = <<EOF;
166 *in: $netblock
167 *na: $netname
168 *cy: $country
169 $maintainer$address
170 $coordinator
171 EOF
172 $whois =~ s/\n+$//;
173 $whois;
174 }
175
176 package Whois::RIPE;
177
178 use Socket;
179 use base Whois;
180
181 sub sanitize {
182 local $_ = $_[1];
183
184 s/^%.*\n//gm;
185 s/^\n+//;
186 s/\n*$/\n/;
187
188 s/^inetnum:\s+/*in: /gm;
189 s/^admin-c:\s+/*ac: /gm;
190 s/^tech-c:\s+/*tc: /gm;
191 s/^owner-c:\s+/*oc: /gm;
192 s/^country:\s+/*cy: /gm;
193 s/^phone:\s+/*ph: /gm;
194 s/^remarks:\s+/*rm: /gm;
195 s/^changed:\s+/*ch: /gm;
196 s/^created:\s+/*cr: /gm;
197 s/^address:\s+/*ad: /gm;
198 s/^status:\s+/*st: /gm;
199 s/^inetrev:\s+/*ir: /gm;
200 s/^nserver:\s+/*ns: /gm;
201
202 $_;
203 }
204
205 sub ip_request {
206 my ($self, $ip) = @_;
207
208 my $whois = $self->whois_request("$self->{rflags}$ip");
209
210 $whois =~ s{
211 (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])
212 (?:\.
213 (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])
214 (?:\.
215 (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])
216 (?:\.
217 (2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])
218 )?
219 )?
220 )?
221 /
222 ([0-9]+)
223 }{
224 my $ip = inet_aton sprintf "%d.%d.%d.%d", $1, $2, $3, $4;
225 my $net = 1 << (31 - $5);
226 my $mask = inet_aton 2 ** 32 - $net;
227
228 my $ip1 = $ip & $mask;
229 my $ip2 = $ip1 | inet_aton $net * 2 - 1;
230 (inet_ntoa $ip1) . " - " . (inet_ntoa $ip2);
231 }gex;
232
233 $whois =~ /^\*in: 0\.0\.0\.0 - 255\.255\.255\.255/
234 and return;
235
236 $whois =~ /^\*ac: XXX0/m # 192.0.0.0
237 and return;
238
239 $whois =~ /^\*st: (?:ALLOCATED )?UNSPECIFIED/m
240 and return;
241
242 $whois =~ /^%ERROR:/m
243 and return;
244
245 #while ($whois =~ s/^\*(?:ac|tc):\s+(\S+)\n//m) {
246 # $whois .= $self->whois_request("-FSTpn $1");
247 #}
248
249 #$whois =~ s/^\*(?:pn|nh|mb|ch|so|rz|ny|st|rm):.*\n//mg;
250
251 $whois =~ s/\n+$//;
252
253 $whois;
254 }
255
256 package Whois::RWHOIS;
257
258 use base Whois;
259
260 sub sanitize {
261 local $_ = $_[1];
262 s/^%referral\s+/referral:/gm;
263 s/^network://gm;
264 s/^%.*\n//gm;
265 s/^\n+//m;
266 s/\n*$/\n/m;
267
268 s/^(\S+):\s*/\L$1: /gm;
269 s/^ip-network-block:/*in:/gm;
270 s/^country-code:/*cy:/gm;
271 s/^tech-contact;i:/*tc:/gm;
272 s/^updated:/*ch:/gm;
273 s/^street-address:/*ad:/gm;
274 s/^org-name:/*rm:/gm;
275 s/^created:/*cr:/gm;
276
277 $_;
278 }
279
280 sub ip_request {
281 my ($self, $ip) = @_;
282
283 my $whois = $self->whois_request("$ip");
284
285 $whois =~ /^\*in: 0\.0\.0\.0 - 255\.255\.255\.255/
286 and return;
287
288 $whois =~ /^\*ac: XXX0/m # 192.0.0.0
289 and return;
290
291 $whois =~ /^%ERROR:/m
292 and return;
293
294 #while ($whois =~ s/^\*(?:ac|tc):\s+(\S+)\n//m) {
295 # $whois .= $self->whois_request("-FSTpn $1");
296 #}
297
298 $whois =~ s/^\*(?:pn|nh|mb|ch|so|rz|ny|st|rm):.*\n//mg;
299
300 $whois =~ s/\n+$//;
301
302 $whois;
303 }
304
305 package netgeo;
306
307 use Socket;
308 use BerkeleyDB;
309
310 sub ip2int($) {
311 unpack "N", inet_aton $_[0];
312 }
313
314 sub int2ip($) {
315 inet_ntoa pack "N", $_[0];
316 }
317
318 our %WHOIS;
319
320 #$WHOIS{ARIN} = new Whois::ARIN ARIN => "whois.arin.net", port => 43, maxjobs => 12;
321 $WHOIS{ARIN} = new Whois::RWHOIS ARIN => "rwhois.arin.net", port => 4321, maxjobs => 12;
322 $WHOIS{RIPE} = new Whois::RIPE RIPE => "whois.ripe.net", port => 43, rflags => "-FTin ", maxjobs => 20;
323 $WHOIS{APNIC} = new Whois::RIPE APNIC => "whois.apnic.net", port => 43, rflags => "-FTin ", maxjobs => 20;
324 $WHOIS{LACNIC} = new Whois::RIPE LACNIC => "whois.lacnic.net", port => 43, maxjobs => 20;
325
326 $whoislock = new Coro::SemaphoreSet;
327
328 sub ip_request {
329 my $ip = $_[0];
330
331 my $guard = $whoislock->guard($ip);
332
333 my $c = $iprange->db_cursor;
334 my $v;
335
336 if (!$c->c_get((inet_aton $ip), $v, DB_SET_RANGE)) {
337 my ($ip0, $ip1, $whois) = split /\x0/, $v;
338 my $_ip = ip2int $ip;
339 if ($ip0 <= $_ip && $_ip <= $ip1) {
340 return $whois;
341 }
342 }
343
344 my ($arin, $ripe, $apnic);
345
346 $whois = $WHOIS{RIPE}->ip_request($ip)
347 || $WHOIS{APNIC} ->ip_request($ip)
348 || $WHOIS{ARIN} ->ip_request($ip)
349 # || $WHOIS{LACNIC}->ip_request($ip)
350 ;
351
352 $whois =~ /^\*in: ([0-9.]+)\s+-\s+([0-9.]+)\s*$/mi
353 or do { warn "$whois($ip): no addresses found\n", last };
354
355 my ($ip0, $ip1) = ($1, $2);
356
357 my $_ip = ip2int($ip);
358 my $_ip0 = ip2int($ip0);
359 my $_ip1 = ip2int($ip1);
360
361 if ($_ip0 + 256 < $_ip1) {
362 $_ip = $_ip & 0xffffff00;
363 $_ip0 = $_ip if $_ip0 < $_ip;
364 $_ip1 = $_ip + 255 if $_ip1 > $_ip + 255;
365 }
366
367 $iprange->db_put((pack "N", $_ip1), (join "\x0", $_ip0, $_ip1, $whois));
368 (tied %whois)->db_sync;
369 $iprange->db_sync;
370
371 $whois;
372 }
373
374 if (0) {
375 #print ip_request "68.52.164.8"; # goof
376 #print "\n\n";
377 #print ip_request "200.202.220.222"; # lacnic
378 #print "\n\n";
379 #print ip_request "62.116.167.250";
380 #print "\n\n";
381 #print ip_request "133.11.128.254"; # jp
382 #print "\n\n";
383 print ip_request "80.131.153.93";
384 print "\n\n";
385 }
386
387 1;
388
389