]>
Commit | Line | Data |
---|---|---|
78ff0cf2 MT |
1 | #!/usr/bin/python3 |
2 | ############################################################################### | |
3 | # # | |
4 | # libloc - A library to determine the location of someone on the Internet # | |
5 | # # | |
5c7cfeb2 | 6 | # Copyright (C) 2020-2024 IPFire Development Team <info@ipfire.org> # |
78ff0cf2 MT |
7 | # # |
8 | # This library is free software; you can redistribute it and/or # | |
9 | # modify it under the terms of the GNU Lesser General Public # | |
10 | # License as published by the Free Software Foundation; either # | |
11 | # version 2.1 of the License, or (at your option) any later version. # | |
12 | # # | |
13 | # This library is distributed in the hope that it will be useful, # | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # | |
16 | # Lesser General Public License for more details. # | |
17 | # # | |
18 | ############################################################################### | |
19 | ||
20 | import argparse | |
0fcdd689 | 21 | import concurrent.futures |
f4f3d8ad | 22 | import csv |
a6fedd9f | 23 | import http.client |
6ffd06b5 | 24 | import ipaddress |
dcef2ba4 | 25 | import json |
78ff0cf2 | 26 | import logging |
6ffd06b5 MT |
27 | import math |
28 | import re | |
22d8d199 | 29 | import socket |
78ff0cf2 | 30 | import sys |
3ce28dea | 31 | import urllib.error |
78ff0cf2 MT |
32 | |
33 | # Load our location module | |
34 | import location | |
29c6fa22 | 35 | import location.database |
3192b66c | 36 | import location.importer |
78ff0cf2 MT |
37 | from location.i18n import _ |
38 | ||
39 | # Initialise logging | |
40 | log = logging.getLogger("location.importer") | |
41 | log.propagate = 1 | |
42 | ||
43fe570c PM |
43 | # Define constants |
44 | VALID_ASN_RANGES = ( | |
45 | (1, 23455), | |
46 | (23457, 64495), | |
47 | (131072, 4199999999), | |
48 | ) | |
49 | ||
18a72eac MT |
50 | # Configure the CSV parser for ARIN |
51 | csv.register_dialect("arin", delimiter=",", quoting=csv.QUOTE_ALL, quotechar="\"") | |
43fe570c | 52 | |
78ff0cf2 MT |
53 | class CLI(object): |
54 | def parse_cli(self): | |
55 | parser = argparse.ArgumentParser( | |
56 | description=_("Location Importer Command Line Interface"), | |
57 | ) | |
6ffd06b5 | 58 | subparsers = parser.add_subparsers() |
78ff0cf2 MT |
59 | |
60 | # Global configuration flags | |
61 | parser.add_argument("--debug", action="store_true", | |
62 | help=_("Enable debug output")) | |
bc1f5f53 MT |
63 | parser.add_argument("--quiet", action="store_true", |
64 | help=_("Enable quiet mode")) | |
78ff0cf2 MT |
65 | |
66 | # version | |
67 | parser.add_argument("--version", action="version", | |
68 | version="%(prog)s @VERSION@") | |
69 | ||
29c6fa22 MT |
70 | # Database |
71 | parser.add_argument("--database-host", required=True, | |
72 | help=_("Database Hostname"), metavar=_("HOST")) | |
73 | parser.add_argument("--database-name", required=True, | |
74 | help=_("Database Name"), metavar=_("NAME")) | |
75 | parser.add_argument("--database-username", required=True, | |
76 | help=_("Database Username"), metavar=_("USERNAME")) | |
77 | parser.add_argument("--database-password", required=True, | |
78 | help=_("Database Password"), metavar=_("PASSWORD")) | |
79 | ||
0983f3dd MT |
80 | # Write Database |
81 | write = subparsers.add_parser("write", help=_("Write database to file")) | |
82 | write.set_defaults(func=self.handle_write) | |
83 | write.add_argument("file", nargs=1, help=_("Database File")) | |
84 | write.add_argument("--signing-key", nargs="?", type=open, help=_("Signing Key")) | |
1164d876 | 85 | write.add_argument("--backup-signing-key", nargs="?", type=open, help=_("Backup Signing Key")) |
0983f3dd MT |
86 | write.add_argument("--vendor", nargs="?", help=_("Sets the vendor")) |
87 | write.add_argument("--description", nargs="?", help=_("Sets a description")) | |
88 | write.add_argument("--license", nargs="?", help=_("Sets the license")) | |
b904896a | 89 | write.add_argument("--version", type=int, help=_("Database Format Version")) |
0983f3dd | 90 | |
6ffd06b5 MT |
91 | # Update WHOIS |
92 | update_whois = subparsers.add_parser("update-whois", help=_("Update WHOIS Information")) | |
93 | update_whois.set_defaults(func=self.handle_update_whois) | |
94 | ||
83d61c46 MT |
95 | # Update announcements |
96 | update_announcements = subparsers.add_parser("update-announcements", | |
97 | help=_("Update BGP Annoucements")) | |
98 | update_announcements.set_defaults(func=self.handle_update_announcements) | |
99 | update_announcements.add_argument("server", nargs=1, | |
100 | help=_("Route Server to connect to"), metavar=_("SERVER")) | |
101 | ||
0fcdd689 MT |
102 | # Update geofeeds |
103 | update_geofeeds = subparsers.add_parser("update-geofeeds", | |
104 | help=_("Update Geofeeds")) | |
105 | update_geofeeds.set_defaults(func=self.handle_update_geofeeds) | |
106 | ||
d7fc3057 MT |
107 | # Update overrides |
108 | update_overrides = subparsers.add_parser("update-overrides", | |
109 | help=_("Update overrides"), | |
110 | ) | |
111 | update_overrides.add_argument( | |
112 | "files", nargs="+", help=_("Files to import"), | |
113 | ) | |
114 | update_overrides.set_defaults(func=self.handle_update_overrides) | |
115 | ||
8084b33a MT |
116 | # Import countries |
117 | import_countries = subparsers.add_parser("import-countries", | |
118 | help=_("Import countries"), | |
119 | ) | |
120 | import_countries.add_argument("file", nargs=1, type=argparse.FileType("r"), | |
121 | help=_("File to import")) | |
122 | import_countries.set_defaults(func=self.handle_import_countries) | |
123 | ||
78ff0cf2 MT |
124 | args = parser.parse_args() |
125 | ||
bc1f5f53 | 126 | # Configure logging |
78ff0cf2 | 127 | if args.debug: |
f9de5e61 | 128 | location.logger.set_level(logging.DEBUG) |
bc1f5f53 MT |
129 | elif args.quiet: |
130 | location.logger.set_level(logging.WARNING) | |
78ff0cf2 | 131 | |
6ffd06b5 MT |
132 | # Print usage if no action was given |
133 | if not "func" in args: | |
134 | parser.print_usage() | |
135 | sys.exit(2) | |
136 | ||
78ff0cf2 MT |
137 | return args |
138 | ||
139 | def run(self): | |
140 | # Parse command line arguments | |
141 | args = self.parse_cli() | |
142 | ||
29c6fa22 | 143 | # Initialise database |
6ffd06b5 | 144 | self.db = self._setup_database(args) |
29c6fa22 | 145 | |
78ff0cf2 | 146 | # Call function |
6ffd06b5 | 147 | ret = args.func(args) |
78ff0cf2 MT |
148 | |
149 | # Return with exit code | |
150 | if ret: | |
151 | sys.exit(ret) | |
152 | ||
153 | # Otherwise just exit | |
154 | sys.exit(0) | |
155 | ||
29c6fa22 MT |
156 | def _setup_database(self, ns): |
157 | """ | |
158 | Initialise the database | |
159 | """ | |
160 | # Connect to database | |
161 | db = location.database.Connection( | |
162 | host=ns.database_host, database=ns.database_name, | |
163 | user=ns.database_username, password=ns.database_password, | |
164 | ) | |
165 | ||
166 | with db.transaction(): | |
167 | db.execute(""" | |
83d61c46 MT |
168 | -- announcements |
169 | CREATE TABLE IF NOT EXISTS announcements(network inet, autnum bigint, | |
170 | first_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP, | |
171 | last_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP); | |
172 | CREATE UNIQUE INDEX IF NOT EXISTS announcements_networks ON announcements(network); | |
173 | CREATE INDEX IF NOT EXISTS announcements_family ON announcements(family(network)); | |
a1707d89 | 174 | CREATE INDEX IF NOT EXISTS announcements_search ON announcements USING GIST(network inet_ops); |
83d61c46 | 175 | |
6ffd06b5 | 176 | -- autnums |
0983f3dd | 177 | CREATE TABLE IF NOT EXISTS autnums(number bigint, name text NOT NULL); |
26f06e70 | 178 | ALTER TABLE autnums ADD COLUMN IF NOT EXISTS source text; |
6ffd06b5 MT |
179 | CREATE UNIQUE INDEX IF NOT EXISTS autnums_number ON autnums(number); |
180 | ||
8084b33a MT |
181 | -- countries |
182 | CREATE TABLE IF NOT EXISTS countries( | |
183 | country_code text NOT NULL, name text NOT NULL, continent_code text NOT NULL); | |
184 | CREATE UNIQUE INDEX IF NOT EXISTS countries_country_code ON countries(country_code); | |
185 | ||
429a43d1 | 186 | -- networks |
83d61c46 | 187 | CREATE TABLE IF NOT EXISTS networks(network inet, country text); |
b6b2b331 | 188 | ALTER TABLE networks ADD COLUMN IF NOT EXISTS original_countries text[]; |
26f06e70 | 189 | ALTER TABLE networks ADD COLUMN IF NOT EXISTS source text; |
429a43d1 | 190 | CREATE UNIQUE INDEX IF NOT EXISTS networks_network ON networks(network); |
002deb6b | 191 | CREATE INDEX IF NOT EXISTS networks_family ON networks USING BTREE(family(network)); |
83d61c46 | 192 | CREATE INDEX IF NOT EXISTS networks_search ON networks USING GIST(network inet_ops); |
d7fc3057 | 193 | |
183b2f74 | 194 | -- geofeeds |
0fcdd689 MT |
195 | CREATE TABLE IF NOT EXISTS geofeeds( |
196 | id serial primary key, | |
197 | url text, | |
198 | status integer default null, | |
199 | updated_at timestamp without time zone default null | |
200 | ); | |
ce308393 | 201 | ALTER TABLE geofeeds ADD COLUMN IF NOT EXISTS error text; |
0fcdd689 MT |
202 | CREATE UNIQUE INDEX IF NOT EXISTS geofeeds_unique |
203 | ON geofeeds(url); | |
204 | CREATE TABLE IF NOT EXISTS geofeed_networks( | |
205 | geofeed_id integer references geofeeds(id) on delete cascade, | |
206 | network inet, | |
207 | country text, | |
208 | region text, | |
209 | city text | |
210 | ); | |
211 | CREATE INDEX IF NOT EXISTS geofeed_networks_geofeed_id | |
212 | ON geofeed_networks(geofeed_id); | |
213 | CREATE INDEX IF NOT EXISTS geofeed_networks_search | |
47fc42fb | 214 | ON geofeed_networks USING GIST(network inet_ops); |
183b2f74 MT |
215 | CREATE TABLE IF NOT EXISTS network_geofeeds(network inet, url text); |
216 | CREATE UNIQUE INDEX IF NOT EXISTS network_geofeeds_unique | |
217 | ON network_geofeeds(network); | |
7f0a6add MT |
218 | CREATE INDEX IF NOT EXISTS network_geofeeds_search |
219 | ON network_geofeeds USING GIST(network inet_ops); | |
220 | CREATE INDEX IF NOT EXISTS network_geofeeds_url | |
221 | ON network_geofeeds(url); | |
183b2f74 | 222 | |
7808c8b7 MT |
223 | -- feeds |
224 | CREATE TABLE IF NOT EXISTS autnum_feeds( | |
225 | number bigint NOT NULL, | |
226 | source text NOT NULL, | |
227 | name text, | |
228 | country text, | |
229 | is_anonymous_proxy boolean, | |
230 | is_satellite_provider boolean, | |
231 | is_anycast boolean, | |
232 | is_drop boolean | |
233 | ); | |
234 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_feeds_unique | |
235 | ON autnum_feeds(number, source); | |
236 | ||
c923c1cc MT |
237 | CREATE TABLE IF NOT EXISTS network_feeds( |
238 | network inet NOT NULL, | |
239 | source text NOT NULL, | |
240 | country text, | |
241 | is_anonymous_proxy boolean, | |
242 | is_satellite_provider boolean, | |
243 | is_anycast boolean, | |
244 | is_drop boolean | |
245 | ); | |
246 | CREATE UNIQUE INDEX IF NOT EXISTS network_feeds_unique | |
247 | ON network_feeds(network, source); | |
248 | CREATE INDEX IF NOT EXISTS network_feeds_search | |
249 | ON network_feeds USING GIST(network inet_ops); | |
250 | ||
d7fc3057 MT |
251 | -- overrides |
252 | CREATE TABLE IF NOT EXISTS autnum_overrides( | |
253 | number bigint NOT NULL, | |
254 | name text, | |
bd1aa6a1 | 255 | country text, |
b8e25b71 MT |
256 | is_anonymous_proxy boolean, |
257 | is_satellite_provider boolean, | |
258 | is_anycast boolean | |
d7fc3057 MT |
259 | ); |
260 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_overrides_number | |
261 | ON autnum_overrides(number); | |
39ee3120 | 262 | ALTER TABLE autnum_overrides ADD COLUMN IF NOT EXISTS source text; |
e17e804e | 263 | ALTER TABLE autnum_overrides ADD COLUMN IF NOT EXISTS is_drop boolean; |
d7fc3057 MT |
264 | |
265 | CREATE TABLE IF NOT EXISTS network_overrides( | |
266 | network inet NOT NULL, | |
267 | country text, | |
b8e25b71 MT |
268 | is_anonymous_proxy boolean, |
269 | is_satellite_provider boolean, | |
270 | is_anycast boolean | |
d7fc3057 MT |
271 | ); |
272 | CREATE UNIQUE INDEX IF NOT EXISTS network_overrides_network | |
273 | ON network_overrides(network); | |
991baf53 MT |
274 | CREATE INDEX IF NOT EXISTS network_overrides_search |
275 | ON network_overrides USING GIST(network inet_ops); | |
39ee3120 | 276 | ALTER TABLE network_overrides ADD COLUMN IF NOT EXISTS source text; |
e17e804e | 277 | ALTER TABLE network_overrides ADD COLUMN IF NOT EXISTS is_drop boolean; |
29c6fa22 MT |
278 | """) |
279 | ||
280 | return db | |
281 | ||
0983f3dd MT |
282 | def handle_write(self, ns): |
283 | """ | |
284 | Compiles a database in libloc format out of what is in the database | |
285 | """ | |
0983f3dd | 286 | # Allocate a writer |
1164d876 | 287 | writer = location.Writer(ns.signing_key, ns.backup_signing_key) |
0983f3dd MT |
288 | |
289 | # Set all metadata | |
290 | if ns.vendor: | |
291 | writer.vendor = ns.vendor | |
292 | ||
293 | if ns.description: | |
294 | writer.description = ns.description | |
295 | ||
296 | if ns.license: | |
297 | writer.license = ns.license | |
298 | ||
299 | # Add all Autonomous Systems | |
300 | log.info("Writing Autonomous Systems...") | |
301 | ||
302 | # Select all ASes with a name | |
6e97c44b MT |
303 | rows = self.db.query(""" |
304 | SELECT | |
305 | autnums.number AS number, | |
306 | COALESCE( | |
ef1581fb | 307 | overrides.name, |
6e97c44b MT |
308 | autnums.name |
309 | ) AS name | |
ef1581fb MT |
310 | FROM |
311 | autnums | |
312 | LEFT JOIN | |
313 | autnum_overrides overrides ON autnums.number = overrides.number | |
314 | ORDER BY | |
315 | autnums.number | |
316 | """) | |
0983f3dd MT |
317 | |
318 | for row in rows: | |
008d5468 MT |
319 | # Skip AS without names |
320 | if not row.name: | |
321 | continue | |
322 | ||
0983f3dd MT |
323 | a = writer.add_as(row.number) |
324 | a.name = row.name | |
325 | ||
326 | # Add all networks | |
327 | log.info("Writing networks...") | |
328 | ||
329 | # Select all known networks | |
330 | rows = self.db.query(""" | |
295a7774 MT |
331 | WITH known_networks AS ( |
332 | SELECT network FROM announcements | |
333 | UNION | |
334 | SELECT network FROM networks | |
335 | UNION | |
c923c1cc MT |
336 | SEELCT network FROM network_feeds |
337 | UNION | |
295a7774 | 338 | SELECT network FROM network_overrides |
e87dbd44 MT |
339 | UNION |
340 | SELECT network FROM geofeed_networks | |
295a7774 MT |
341 | ), |
342 | ||
343 | ordered_networks AS ( | |
344 | SELECT | |
345 | known_networks.network AS network, | |
346 | announcements.autnum AS autnum, | |
347 | networks.country AS country, | |
348 | ||
349 | -- Must be part of returned values for ORDER BY clause | |
350 | masklen(announcements.network) AS sort_a, | |
351 | masklen(networks.network) AS sort_b | |
352 | FROM | |
353 | known_networks | |
354 | LEFT JOIN | |
355 | announcements ON known_networks.network <<= announcements.network | |
356 | LEFT JOIN | |
357 | networks ON known_networks.network <<= networks.network | |
358 | ORDER BY | |
359 | known_networks.network, | |
360 | sort_a DESC, | |
361 | sort_b DESC | |
362 | ) | |
363 | ||
5372d9c7 MT |
364 | -- Return a list of those networks enriched with all |
365 | -- other information that we store in the database | |
0983f3dd | 366 | SELECT |
bbea93a7 MT |
367 | DISTINCT ON (network) |
368 | network, | |
369 | autnum, | |
bd1aa6a1 MT |
370 | |
371 | -- Country | |
372 | COALESCE( | |
373 | ( | |
374 | SELECT country FROM network_overrides overrides | |
bbea93a7 | 375 | WHERE networks.network <<= overrides.network |
bd1aa6a1 MT |
376 | ORDER BY masklen(overrides.network) DESC |
377 | LIMIT 1 | |
378 | ), | |
379 | ( | |
380 | SELECT country FROM autnum_overrides overrides | |
bbea93a7 | 381 | WHERE networks.autnum = overrides.number |
bd1aa6a1 | 382 | ), |
c923c1cc MT |
383 | ( |
384 | SELECT country FROM network_feeds feeds | |
385 | WHERE networks.network <<= feeds.network | |
386 | ORDER BY masklen(feeds.network) DESC | |
387 | LIMIT 1 | |
388 | ), | |
7808c8b7 MT |
389 | ( |
390 | SELECT country FROM autnum_feeds feeds | |
391 | WHERE networks.autnum = feeds.number | |
392 | ORDER BY source LIMIT 1 | |
393 | ), | |
e87dbd44 MT |
394 | ( |
395 | SELECT | |
396 | geofeed_networks.country AS country | |
397 | FROM | |
398 | network_geofeeds | |
399 | ||
400 | -- Join the data from the geofeeds | |
401 | LEFT JOIN | |
402 | geofeeds ON network_geofeeds.url = geofeeds.url | |
403 | LEFT JOIN | |
404 | geofeed_networks ON geofeeds.id = geofeed_networks.geofeed_id | |
405 | ||
406 | -- Check whether we have a geofeed for this network | |
407 | WHERE | |
408 | networks.network <<= network_geofeeds.network | |
409 | AND | |
410 | networks.network <<= geofeed_networks.network | |
411 | ||
412 | -- Filter for the best result | |
413 | ORDER BY | |
414 | masklen(geofeed_networks.network) DESC | |
415 | LIMIT 1 | |
416 | ), | |
bd1aa6a1 MT |
417 | networks.country |
418 | ) AS country, | |
8e8555bb | 419 | |
0983f3dd | 420 | -- Flags |
1422b5d4 MT |
421 | COALESCE( |
422 | ( | |
423 | SELECT is_anonymous_proxy FROM network_overrides overrides | |
bbea93a7 | 424 | WHERE networks.network <<= overrides.network |
1422b5d4 MT |
425 | ORDER BY masklen(overrides.network) DESC |
426 | LIMIT 1 | |
427 | ), | |
c923c1cc MT |
428 | ( |
429 | SELECT is_anonymous_proxy FROM network_feeds feeds | |
430 | WHERE networks.network <<= feeds.network | |
431 | ORDER BY masklen(feeds.network) DESC | |
432 | LIMIT 1 | |
433 | ), | |
7808c8b7 MT |
434 | ( |
435 | SELECT is_anonymous_proxy FROM autnum_feeds feeds | |
436 | WHERE networks.autnum = feeds.number | |
437 | ORDER BY source LIMIT 1 | |
438 | ), | |
1422b5d4 MT |
439 | ( |
440 | SELECT is_anonymous_proxy FROM autnum_overrides overrides | |
bbea93a7 | 441 | WHERE networks.autnum = overrides.number |
b8e25b71 MT |
442 | ), |
443 | FALSE | |
1422b5d4 MT |
444 | ) AS is_anonymous_proxy, |
445 | COALESCE( | |
446 | ( | |
447 | SELECT is_satellite_provider FROM network_overrides overrides | |
bbea93a7 | 448 | WHERE networks.network <<= overrides.network |
1422b5d4 MT |
449 | ORDER BY masklen(overrides.network) DESC |
450 | LIMIT 1 | |
451 | ), | |
c923c1cc MT |
452 | ( |
453 | SELECT is_satellite_provider FROM network_feeds feeds | |
454 | WHERE networks.network <<= feeds.network | |
455 | ORDER BY masklen(feeds.network) DESC | |
456 | LIMIT 1 | |
457 | ), | |
7808c8b7 MT |
458 | ( |
459 | SELECT is_satellite_provider FROM autnum_feeds feeds | |
460 | WHERE networks.autnum = feeds.number | |
461 | ORDER BY source LIMIT 1 | |
462 | ), | |
1422b5d4 MT |
463 | ( |
464 | SELECT is_satellite_provider FROM autnum_overrides overrides | |
bbea93a7 | 465 | WHERE networks.autnum = overrides.number |
b8e25b71 MT |
466 | ), |
467 | FALSE | |
1422b5d4 MT |
468 | ) AS is_satellite_provider, |
469 | COALESCE( | |
470 | ( | |
471 | SELECT is_anycast FROM network_overrides overrides | |
bbea93a7 | 472 | WHERE networks.network <<= overrides.network |
1422b5d4 MT |
473 | ORDER BY masklen(overrides.network) DESC |
474 | LIMIT 1 | |
475 | ), | |
c923c1cc MT |
476 | ( |
477 | SELECT is_anycast FROM network_feeds feeds | |
478 | WHERE networks.network <<= feeds.network | |
479 | ORDER BY masklen(feeds.network) DESC | |
480 | LIMIT 1 | |
481 | ), | |
7808c8b7 MT |
482 | ( |
483 | SELECT is_anycast FROM autnum_feeds feeds | |
484 | WHERE networks.autnum = feeds.number | |
485 | ORDER BY source LIMIT 1 | |
486 | ), | |
1422b5d4 MT |
487 | ( |
488 | SELECT is_anycast FROM autnum_overrides overrides | |
bbea93a7 | 489 | WHERE networks.autnum = overrides.number |
b8e25b71 MT |
490 | ), |
491 | FALSE | |
e17e804e PM |
492 | ) AS is_anycast, |
493 | COALESCE( | |
494 | ( | |
495 | SELECT is_drop FROM network_overrides overrides | |
496 | WHERE networks.network <<= overrides.network | |
497 | ORDER BY masklen(overrides.network) DESC | |
498 | LIMIT 1 | |
499 | ), | |
c923c1cc MT |
500 | ( |
501 | SELECT is_drop FROM network_feeds feeds | |
502 | WHERE networks.network <<= feeds.network | |
503 | ORDER BY masklen(feeds.network) DESC | |
504 | LIMIT 1 | |
505 | ), | |
7808c8b7 MT |
506 | ( |
507 | SELECT is_drop FROM autnum_feeds feeds | |
508 | WHERE networks.autnum = feeds.number | |
509 | ORDER BY source LIMIT 1 | |
510 | ), | |
e17e804e PM |
511 | ( |
512 | SELECT is_drop FROM autnum_overrides overrides | |
513 | WHERE networks.autnum = overrides.number | |
514 | ), | |
515 | FALSE | |
516 | ) AS is_drop | |
295a7774 MT |
517 | FROM |
518 | ordered_networks networks | |
0983f3dd MT |
519 | """) |
520 | ||
521 | for row in rows: | |
522 | network = writer.add_network(row.network) | |
523 | ||
5372d9c7 MT |
524 | # Save country |
525 | if row.country: | |
526 | network.country_code = row.country | |
527 | ||
528 | # Save ASN | |
529 | if row.autnum: | |
530 | network.asn = row.autnum | |
0983f3dd MT |
531 | |
532 | # Set flags | |
533 | if row.is_anonymous_proxy: | |
534 | network.set_flag(location.NETWORK_FLAG_ANONYMOUS_PROXY) | |
535 | ||
536 | if row.is_satellite_provider: | |
537 | network.set_flag(location.NETWORK_FLAG_SATELLITE_PROVIDER) | |
538 | ||
539 | if row.is_anycast: | |
540 | network.set_flag(location.NETWORK_FLAG_ANYCAST) | |
541 | ||
e17e804e PM |
542 | if row.is_drop: |
543 | network.set_flag(location.NETWORK_FLAG_DROP) | |
544 | ||
8084b33a MT |
545 | # Add all countries |
546 | log.info("Writing countries...") | |
547 | rows = self.db.query("SELECT * FROM countries ORDER BY country_code") | |
548 | ||
549 | for row in rows: | |
550 | c = writer.add_country(row.country_code) | |
551 | c.continent_code = row.continent_code | |
552 | c.name = row.name | |
553 | ||
0983f3dd MT |
554 | # Write everything to file |
555 | log.info("Writing database to file...") | |
556 | for file in ns.file: | |
557 | writer.write(file) | |
558 | ||
6ffd06b5 MT |
559 | def handle_update_whois(self, ns): |
560 | downloader = location.importer.Downloader() | |
561 | ||
3ce28dea MT |
562 | # Did we run successfully? |
563 | error = False | |
84b175e2 | 564 | |
fa9220b0 | 565 | # Fetch all valid country codes to check parsed networks against |
3ce28dea | 566 | validcountries = self.countries |
6ffd06b5 | 567 | |
3ce28dea | 568 | # Iterate over all potential sources |
f3edaa9c | 569 | for source in sorted(location.importer.SOURCES): |
3ce28dea MT |
570 | with self.db.transaction(): |
571 | # Create some temporary tables to store parsed data | |
572 | self.db.execute(""" | |
573 | CREATE TEMPORARY TABLE _autnums(number integer NOT NULL, | |
574 | organization text NOT NULL, source text NOT NULL) ON COMMIT DROP; | |
575 | CREATE UNIQUE INDEX _autnums_number ON _autnums(number); | |
576 | ||
577 | CREATE TEMPORARY TABLE _organizations(handle text NOT NULL, | |
578 | name text NOT NULL, source text NOT NULL) ON COMMIT DROP; | |
579 | CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle); | |
580 | ||
581 | CREATE TEMPORARY TABLE _rirdata(network inet NOT NULL, country text NOT NULL, | |
582 | original_countries text[] NOT NULL, source text NOT NULL) | |
583 | ON COMMIT DROP; | |
584 | CREATE INDEX _rirdata_search ON _rirdata | |
585 | USING BTREE(family(network), masklen(network)); | |
586 | CREATE UNIQUE INDEX _rirdata_network ON _rirdata(network); | |
587 | """) | |
002deb6b | 588 | |
3ce28dea | 589 | # Remove all previously imported content |
54b3f745 | 590 | self.db.execute("DELETE FROM autnums WHERE source = %s", source) |
3ce28dea | 591 | self.db.execute("DELETE FROM networks WHERE source = %s", source) |
002deb6b | 592 | |
3ce28dea MT |
593 | try: |
594 | # Fetch WHOIS sources | |
595 | for url in location.importer.WHOIS_SOURCES.get(source, []): | |
596 | for block in downloader.request_blocks(url): | |
597 | self._parse_block(block, source, validcountries) | |
598 | ||
599 | # Fetch extended sources | |
600 | for url in location.importer.EXTENDED_SOURCES.get(source, []): | |
601 | for line in downloader.request_lines(url): | |
602 | self._parse_line(line, source, validcountries) | |
603 | except urllib.error.URLError as e: | |
e76b8204 | 604 | log.error("Could not retrieve data from %s: %s" % (source, e)) |
3ce28dea MT |
605 | error = True |
606 | ||
607 | # Continue with the next source | |
608 | continue | |
002deb6b | 609 | |
3ce28dea MT |
610 | # Process all parsed networks from every RIR we happen to have access to, |
611 | # insert the largest network chunks into the networks table immediately... | |
fa9220b0 MT |
612 | families = self.db.query(""" |
613 | SELECT DISTINCT | |
614 | family(network) AS family | |
615 | FROM | |
616 | _rirdata | |
617 | ORDER BY | |
618 | family(network) | |
619 | """, | |
620 | ) | |
3ce28dea MT |
621 | |
622 | for family in (row.family for row in families): | |
5bfa1bb4 MT |
623 | # Fetch the smallest mask length in our data set |
624 | smallest = self.db.get(""" | |
625 | SELECT | |
626 | MIN( | |
627 | masklen(network) | |
628 | ) AS prefix | |
629 | FROM | |
630 | _rirdata | |
631 | WHERE | |
fa9220b0 MT |
632 | family(network) = %s |
633 | """, family, | |
5bfa1bb4 MT |
634 | ) |
635 | ||
636 | # Copy all networks | |
637 | self.db.execute(""" | |
638 | INSERT INTO | |
639 | networks | |
640 | ( | |
641 | network, | |
642 | country, | |
643 | original_countries, | |
644 | source | |
645 | ) | |
646 | SELECT | |
647 | network, | |
648 | country, | |
649 | original_countries, | |
650 | source | |
651 | FROM | |
652 | _rirdata | |
653 | WHERE | |
654 | masklen(network) = %s | |
655 | AND | |
656 | family(network) = %s | |
657 | ON CONFLICT DO | |
658 | NOTHING""", | |
659 | smallest.prefix, | |
660 | family, | |
661 | ) | |
3ce28dea MT |
662 | |
663 | # ... determine any other prefixes for this network family, ... | |
5bfa1bb4 MT |
664 | prefixes = self.db.query(""" |
665 | SELECT | |
666 | DISTINCT masklen(network) AS prefix | |
667 | FROM | |
668 | _rirdata | |
669 | WHERE | |
670 | family(network) = %s | |
671 | ORDER BY | |
672 | masklen(network) ASC | |
fa9220b0 MT |
673 | OFFSET 1 |
674 | """, family, | |
5bfa1bb4 | 675 | ) |
3ce28dea MT |
676 | |
677 | # ... and insert networks with this prefix in case they provide additional | |
678 | # information (i. e. subnet of a larger chunk with a different country) | |
679 | for prefix in (row.prefix for row in prefixes): | |
680 | self.db.execute(""" | |
681 | WITH candidates AS ( | |
682 | SELECT | |
683 | _rirdata.network, | |
684 | _rirdata.country, | |
685 | _rirdata.original_countries, | |
686 | _rirdata.source | |
687 | FROM | |
688 | _rirdata | |
689 | WHERE | |
690 | family(_rirdata.network) = %s | |
691 | AND | |
692 | masklen(_rirdata.network) = %s | |
693 | ), | |
694 | filtered AS ( | |
695 | SELECT | |
696 | DISTINCT ON (c.network) | |
697 | c.network, | |
698 | c.country, | |
699 | c.original_countries, | |
700 | c.source, | |
701 | masklen(networks.network), | |
702 | networks.country AS parent_country | |
703 | FROM | |
704 | candidates c | |
705 | LEFT JOIN | |
706 | networks | |
707 | ON | |
708 | c.network << networks.network | |
709 | ORDER BY | |
710 | c.network, | |
711 | masklen(networks.network) DESC NULLS LAST | |
712 | ) | |
713 | INSERT INTO | |
714 | networks(network, country, original_countries, source) | |
002deb6b | 715 | SELECT |
3ce28dea MT |
716 | network, |
717 | country, | |
718 | original_countries, | |
719 | source | |
002deb6b | 720 | FROM |
3ce28dea | 721 | filtered |
002deb6b | 722 | WHERE |
3ce28dea MT |
723 | parent_country IS NULL |
724 | OR | |
725 | country <> parent_country | |
fa9220b0 MT |
726 | ON CONFLICT DO NOTHING |
727 | """, family, prefix, | |
002deb6b | 728 | ) |
0365119d | 729 | |
3ce28dea | 730 | self.db.execute(""" |
fa9220b0 MT |
731 | INSERT INTO |
732 | autnums | |
733 | ( | |
734 | number, | |
735 | name, | |
736 | source | |
737 | ) | |
738 | SELECT | |
739 | _autnums.number, | |
740 | _organizations.name, | |
741 | _organizations.source | |
742 | FROM | |
743 | _autnums | |
744 | JOIN | |
745 | _organizations ON _autnums.organization = _organizations.handle | |
746 | ON CONFLICT | |
747 | ( | |
748 | number | |
749 | ) | |
750 | DO UPDATE | |
751 | SET name = excluded.name | |
752 | """, | |
753 | ) | |
429a43d1 | 754 | |
3ce28dea MT |
755 | # Download and import (technical) AS names from ARIN |
756 | with self.db.transaction(): | |
41f5a725 | 757 | self._import_as_names_from_arin(downloader) |
92403f39 | 758 | |
3ce28dea MT |
759 | # Return a non-zero exit code for errors |
760 | return 1 if error else 0 | |
761 | ||
bd341642 PM |
762 | def _check_parsed_network(self, network): |
763 | """ | |
764 | Assistive function to detect and subsequently sort out parsed | |
765 | networks from RIR data (both Whois and so-called "extended sources"), | |
766 | which are or have... | |
767 | ||
768 | (a) not globally routable (RFC 1918 space, et al.) | |
769 | (b) covering a too large chunk of the IP address space (prefix length | |
770 | is < 7 for IPv4 networks, and < 10 for IPv6) | |
771 | (c) "0.0.0.0" or "::" as a network address | |
772 | (d) are too small for being publicly announced (we have decided not to | |
773 | process them at the moment, as they significantly enlarge our | |
774 | database without providing very helpful additional information) | |
775 | ||
776 | This unfortunately is necessary due to brain-dead clutter across | |
777 | various RIR databases, causing mismatches and eventually disruptions. | |
778 | ||
779 | We will return False in case a network is not suitable for adding | |
780 | it to our database, and True otherwise. | |
781 | """ | |
782 | ||
783 | if not network or not (isinstance(network, ipaddress.IPv4Network) or isinstance(network, ipaddress.IPv6Network)): | |
784 | return False | |
785 | ||
786 | if not network.is_global: | |
2ba6ed07 | 787 | log.debug("Skipping non-globally routable network: %s" % network) |
bd341642 PM |
788 | return False |
789 | ||
790 | if network.version == 4: | |
791 | if network.prefixlen < 7: | |
2ba6ed07 | 792 | log.debug("Skipping too big IP chunk: %s" % network) |
bd341642 PM |
793 | return False |
794 | ||
795 | if network.prefixlen > 24: | |
ebb087cf | 796 | log.debug("Skipping network too small to be publicly announced: %s" % network) |
bd341642 PM |
797 | return False |
798 | ||
799 | if str(network.network_address) == "0.0.0.0": | |
2ba6ed07 | 800 | log.debug("Skipping network based on 0.0.0.0: %s" % network) |
bd341642 PM |
801 | return False |
802 | ||
803 | elif network.version == 6: | |
804 | if network.prefixlen < 10: | |
2ba6ed07 | 805 | log.debug("Skipping too big IP chunk: %s" % network) |
bd341642 PM |
806 | return False |
807 | ||
808 | if network.prefixlen > 48: | |
ebb087cf | 809 | log.debug("Skipping network too small to be publicly announced: %s" % network) |
bd341642 PM |
810 | return False |
811 | ||
812 | if str(network.network_address) == "::": | |
2ba6ed07 | 813 | log.debug("Skipping network based on '::': %s" % network) |
bd341642 PM |
814 | return False |
815 | ||
816 | else: | |
817 | # This should not happen... | |
84187ab5 | 818 | log.warning("Skipping network of unknown family, this should not happen: %s" % network) |
bd341642 PM |
819 | return False |
820 | ||
821 | # In case we have made it here, the network is considered to | |
822 | # be suitable for libloc consumption... | |
823 | return True | |
824 | ||
43fe570c PM |
825 | def _check_parsed_asn(self, asn): |
826 | """ | |
827 | Assistive function to filter Autonomous System Numbers not being suitable | |
828 | for adding to our database. Returns False in such cases, and True otherwise. | |
829 | """ | |
830 | ||
831 | for start, end in VALID_ASN_RANGES: | |
832 | if start <= asn and end >= asn: | |
833 | return True | |
834 | ||
835 | log.info("Supplied ASN %s out of publicly routable ASN ranges" % asn) | |
836 | return False | |
837 | ||
28b08385 | 838 | def _parse_block(self, block, source_key, validcountries = None): |
6ffd06b5 MT |
839 | # Get first line to find out what type of block this is |
840 | line = block[0] | |
841 | ||
6ffd06b5 | 842 | # aut-num |
429a43d1 | 843 | if line.startswith("aut-num:"): |
28b08385 | 844 | return self._parse_autnum_block(block, source_key) |
6ffd06b5 | 845 | |
aadac4c5 PM |
846 | # inetnum |
847 | if line.startswith("inet6num:") or line.startswith("inetnum:"): | |
28b08385 | 848 | return self._parse_inetnum_block(block, source_key, validcountries) |
aadac4c5 | 849 | |
6ffd06b5 MT |
850 | # organisation |
851 | elif line.startswith("organisation:"): | |
28b08385 | 852 | return self._parse_org_block(block, source_key) |
6ffd06b5 | 853 | |
28b08385 | 854 | def _parse_autnum_block(self, block, source_key): |
6ffd06b5 MT |
855 | autnum = {} |
856 | for line in block: | |
857 | # Split line | |
858 | key, val = split_line(line) | |
859 | ||
860 | if key == "aut-num": | |
861 | m = re.match(r"^(AS|as)(\d+)", val) | |
862 | if m: | |
863 | autnum["asn"] = m.group(2) | |
864 | ||
0365119d | 865 | elif key == "org": |
e7d612e5 | 866 | autnum[key] = val.upper() |
6ffd06b5 | 867 | |
426e0bee PM |
868 | elif key == "descr": |
869 | # Save the first description line as well... | |
870 | if not key in autnum: | |
871 | autnum[key] = val | |
872 | ||
6ffd06b5 | 873 | # Skip empty objects |
426e0bee | 874 | if not autnum or not "asn" in autnum: |
6ffd06b5 MT |
875 | return |
876 | ||
426e0bee PM |
877 | # Insert a dummy organisation handle into our temporary organisations |
878 | # table in case the AS does not have an organisation handle set, but | |
879 | # has a description (a quirk often observed in APNIC area), so we can | |
880 | # later display at least some string for this AS. | |
881 | if not "org" in autnum: | |
882 | if "descr" in autnum: | |
883 | autnum["org"] = "LIBLOC-%s-ORGHANDLE" % autnum.get("asn") | |
884 | ||
885 | self.db.execute("INSERT INTO _organizations(handle, name, source) \ | |
886 | VALUES(%s, %s, %s) ON CONFLICT (handle) DO NOTHING", | |
887 | autnum.get("org"), autnum.get("descr"), source_key, | |
888 | ) | |
889 | else: | |
890 | log.warning("ASN %s neither has an organisation handle nor a description line set, omitting" % \ | |
891 | autnum.get("asn")) | |
892 | return | |
893 | ||
6ffd06b5 | 894 | # Insert into database |
28b08385 PM |
895 | self.db.execute("INSERT INTO _autnums(number, organization, source) \ |
896 | VALUES(%s, %s, %s) ON CONFLICT (number) DO UPDATE SET \ | |
0365119d | 897 | organization = excluded.organization", |
28b08385 | 898 | autnum.get("asn"), autnum.get("org"), source_key, |
6ffd06b5 MT |
899 | ) |
900 | ||
28b08385 | 901 | def _parse_inetnum_block(self, block, source_key, validcountries = None): |
84187ab5 | 902 | log.debug("Parsing inetnum block:") |
aadac4c5 PM |
903 | |
904 | inetnum = {} | |
905 | for line in block: | |
84187ab5 | 906 | log.debug(line) |
aadac4c5 PM |
907 | |
908 | # Split line | |
909 | key, val = split_line(line) | |
910 | ||
84187ab5 PM |
911 | # Filter any inetnum records which are only referring to IP space |
912 | # not managed by that specific RIR... | |
913 | if key == "netname": | |
5254e5fc | 914 | if re.match(r"^(ERX-NETBLOCK|(AFRINIC|ARIN|LACNIC|RIPE)-CIDR-BLOCK|IANA-NETBLOCK-\d{1,3}|NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK|STUB-[\d-]{3,}SLASH\d{1,2})", val.strip()): |
2ba6ed07 | 915 | log.debug("Skipping record indicating historic/orphaned data: %s" % val.strip()) |
84187ab5 PM |
916 | return |
917 | ||
aadac4c5 PM |
918 | if key == "inetnum": |
919 | start_address, delim, end_address = val.partition("-") | |
920 | ||
921 | # Strip any excess space | |
922 | start_address, end_address = start_address.rstrip(), end_address.strip() | |
923 | ||
845da577 PM |
924 | # Handle "inetnum" formatting in LACNIC DB (e.g. "24.152.8/22" instead of "24.152.8.0/22") |
925 | if start_address and not (delim or end_address): | |
926 | try: | |
927 | start_address = ipaddress.ip_network(start_address, strict=False) | |
928 | except ValueError: | |
929 | start_address = start_address.split("/") | |
38d0faea | 930 | ldigits = start_address[0].count(".") |
845da577 PM |
931 | |
932 | # How many octets do we need to add? | |
933 | # (LACNIC does not seem to have a /8 or greater assigned, so the following should suffice.) | |
2ad36187 | 934 | if ldigits == 1: |
845da577 | 935 | start_address = start_address[0] + ".0.0/" + start_address[1] |
2ad36187 | 936 | elif ldigits == 2: |
845da577 PM |
937 | start_address = start_address[0] + ".0/" + start_address[1] |
938 | else: | |
939 | log.warning("Could not recover IPv4 address from line in LACNIC DB format: %s" % line) | |
940 | return | |
941 | ||
942 | try: | |
943 | start_address = ipaddress.ip_network(start_address, strict=False) | |
944 | except ValueError: | |
945 | log.warning("Could not parse line in LACNIC DB format: %s" % line) | |
946 | return | |
947 | ||
948 | # Enumerate first and last IP address of this network | |
949 | end_address = start_address[-1] | |
950 | start_address = start_address[0] | |
951 | ||
952 | else: | |
953 | # Convert to IP address | |
954 | try: | |
955 | start_address = ipaddress.ip_address(start_address) | |
956 | end_address = ipaddress.ip_address(end_address) | |
957 | except ValueError: | |
958 | log.warning("Could not parse line: %s" % line) | |
959 | return | |
aadac4c5 | 960 | |
1814283b | 961 | inetnum["inetnum"] = list(ipaddress.summarize_address_range(start_address, end_address)) |
aadac4c5 PM |
962 | |
963 | elif key == "inet6num": | |
1814283b | 964 | inetnum[key] = [ipaddress.ip_network(val, strict=False)] |
aadac4c5 PM |
965 | |
966 | elif key == "country": | |
7434e5e0 PM |
967 | val = val.upper() |
968 | ||
b6b2b331 | 969 | # Catch RIR data objects with more than one country code... |
7434e5e0 | 970 | if not key in inetnum: |
b6b2b331 PM |
971 | inetnum[key] = [] |
972 | else: | |
7434e5e0 | 973 | if val in inetnum.get("country"): |
b6b2b331 PM |
974 | # ... but keep this list distinct... |
975 | continue | |
976 | ||
01e5f0ff PM |
977 | # When people set country codes to "UK", they actually mean "GB" |
978 | if val == "UK": | |
979 | val = "GB" | |
980 | ||
7434e5e0 | 981 | inetnum[key].append(val) |
aadac4c5 | 982 | |
183b2f74 MT |
983 | # Parse the geofeed attribute |
984 | elif key == "geofeed": | |
985 | inetnum["geofeed"] = val | |
986 | ||
987 | # Parse geofeed when used as a remark | |
45c0536c MT |
988 | elif key == "remarks": |
989 | m = re.match(r"^(?:Geofeed)\s+(https://.*)", val) | |
183b2f74 MT |
990 | if m: |
991 | inetnum["geofeed"] = m.group(1) | |
992 | ||
aadac4c5 | 993 | # Skip empty objects |
002deb6b | 994 | if not inetnum or not "country" in inetnum: |
aadac4c5 PM |
995 | return |
996 | ||
b6b2b331 PM |
997 | # Prepare skipping objects with unknown country codes... |
998 | invalidcountries = [singlecountry for singlecountry in inetnum.get("country") if singlecountry not in validcountries] | |
999 | ||
1814283b PM |
1000 | # Iterate through all networks enumerated from above, check them for plausibility and insert |
1001 | # them into the database, if _check_parsed_network() succeeded | |
1002 | for single_network in inetnum.get("inet6num") or inetnum.get("inetnum"): | |
1003 | if self._check_parsed_network(single_network): | |
b6b2b331 PM |
1004 | # Skip objects with unknown country codes if they are valid to avoid log spam... |
1005 | if validcountries and invalidcountries: | |
1006 | log.warning("Skipping network with bogus countr(y|ies) %s (original countries: %s): %s" % \ | |
1007 | (invalidcountries, inetnum.get("country"), inetnum.get("inet6num") or inetnum.get("inetnum"))) | |
48770ca8 | 1008 | break |
7138b4ac PM |
1009 | |
1010 | # Everything is fine here, run INSERT statement... | |
b6b2b331 PM |
1011 | self.db.execute("INSERT INTO _rirdata(network, country, original_countries, source) \ |
1012 | VALUES(%s, %s, %s, %s) ON CONFLICT (network) DO UPDATE SET country = excluded.country", | |
1013 | "%s" % single_network, inetnum.get("country")[0], inetnum.get("country"), source_key, | |
1814283b | 1014 | ) |
aadac4c5 | 1015 | |
183b2f74 MT |
1016 | # Update any geofeed information |
1017 | geofeed = inetnum.get("geofeed", None) | |
183b2f74 | 1018 | if geofeed: |
da832d44 | 1019 | self._parse_geofeed(geofeed, single_network) |
183b2f74 MT |
1020 | |
1021 | # Delete any previous geofeeds | |
1022 | else: | |
1023 | self.db.execute("DELETE FROM network_geofeeds WHERE network = %s", | |
1024 | "%s" % single_network) | |
1025 | ||
da832d44 MT |
1026 | def _parse_geofeed(self, url, single_network): |
1027 | # Parse the URL | |
1028 | url = urllib.parse.urlparse(url) | |
1029 | ||
1030 | # Make sure that this is a HTTPS URL | |
1031 | if not url.scheme == "https": | |
1032 | log.debug("Geofeed URL is not using HTTPS: %s" % geofeed) | |
1033 | return | |
1034 | ||
1035 | # Put the URL back together normalized | |
1036 | url = url.geturl() | |
1037 | ||
1038 | # Store/update any geofeeds | |
1039 | self.db.execute(""" | |
1040 | INSERT INTO | |
1041 | network_geofeeds( | |
1042 | network, | |
1043 | url | |
1044 | ) | |
1045 | VALUES( | |
1046 | %s, %s | |
1047 | ) | |
1048 | ON CONFLICT (network) DO | |
1049 | UPDATE SET url = excluded.url""", | |
1050 | "%s" % single_network, url, | |
1051 | ) | |
1052 | ||
28b08385 | 1053 | def _parse_org_block(self, block, source_key): |
6ffd06b5 MT |
1054 | org = {} |
1055 | for line in block: | |
1056 | # Split line | |
1057 | key, val = split_line(line) | |
1058 | ||
e7d612e5 PM |
1059 | if key == "organisation": |
1060 | org[key] = val.upper() | |
1061 | elif key == "org-name": | |
6ffd06b5 MT |
1062 | org[key] = val |
1063 | ||
1064 | # Skip empty objects | |
1065 | if not org: | |
1066 | return | |
1067 | ||
28b08385 PM |
1068 | self.db.execute("INSERT INTO _organizations(handle, name, source) \ |
1069 | VALUES(%s, %s, %s) ON CONFLICT (handle) DO \ | |
0365119d | 1070 | UPDATE SET name = excluded.name", |
28b08385 | 1071 | org.get("organisation"), org.get("org-name"), source_key, |
6ffd06b5 MT |
1072 | ) |
1073 | ||
28b08385 | 1074 | def _parse_line(self, line, source_key, validcountries = None): |
429a43d1 MT |
1075 | # Skip version line |
1076 | if line.startswith("2"): | |
1077 | return | |
6ffd06b5 | 1078 | |
429a43d1 MT |
1079 | # Skip comments |
1080 | if line.startswith("#"): | |
1081 | return | |
6ffd06b5 | 1082 | |
429a43d1 MT |
1083 | try: |
1084 | registry, country_code, type, line = line.split("|", 3) | |
1085 | except: | |
1086 | log.warning("Could not parse line: %s" % line) | |
1087 | return | |
6ffd06b5 | 1088 | |
84b175e2 PM |
1089 | # Skip any lines that are for stats only or do not have a country |
1090 | # code at all (avoids log spam below) | |
1091 | if not country_code or country_code == '*': | |
1092 | return | |
1093 | ||
1094 | # Skip objects with unknown country codes | |
1095 | if validcountries and country_code not in validcountries: | |
1096 | log.warning("Skipping line with bogus country '%s': %s" % \ | |
1097 | (country_code, line)) | |
6ffd06b5 MT |
1098 | return |
1099 | ||
429a43d1 | 1100 | if type in ("ipv6", "ipv4"): |
28b08385 | 1101 | return self._parse_ip_line(country_code, type, line, source_key) |
429a43d1 | 1102 | |
28b08385 | 1103 | def _parse_ip_line(self, country, type, line, source_key): |
429a43d1 MT |
1104 | try: |
1105 | address, prefix, date, status, organization = line.split("|") | |
1106 | except ValueError: | |
1107 | organization = None | |
1108 | ||
1109 | # Try parsing the line without organization | |
1110 | try: | |
1111 | address, prefix, date, status = line.split("|") | |
1112 | except ValueError: | |
1113 | log.warning("Unhandled line format: %s" % line) | |
1114 | return | |
1115 | ||
1116 | # Skip anything that isn't properly assigned | |
1117 | if not status in ("assigned", "allocated"): | |
1118 | return | |
1119 | ||
1120 | # Cast prefix into an integer | |
1121 | try: | |
1122 | prefix = int(prefix) | |
1123 | except: | |
1124 | log.warning("Invalid prefix: %s" % prefix) | |
7177031f | 1125 | return |
429a43d1 MT |
1126 | |
1127 | # Fix prefix length for IPv4 | |
1128 | if type == "ipv4": | |
1129 | prefix = 32 - int(math.log(prefix, 2)) | |
1130 | ||
1131 | # Try to parse the address | |
1132 | try: | |
1133 | network = ipaddress.ip_network("%s/%s" % (address, prefix), strict=False) | |
1134 | except ValueError: | |
1135 | log.warning("Invalid IP address: %s" % address) | |
1136 | return | |
1137 | ||
bd341642 PM |
1138 | if not self._check_parsed_network(network): |
1139 | return | |
1140 | ||
b6b2b331 PM |
1141 | self.db.execute("INSERT INTO networks(network, country, original_countries, source) \ |
1142 | VALUES(%s, %s, %s, %s) ON CONFLICT (network) DO \ | |
87b3e102 | 1143 | UPDATE SET country = excluded.country", |
b6b2b331 | 1144 | "%s" % network, country, [country], source_key, |
6ffd06b5 MT |
1145 | ) |
1146 | ||
18a72eac MT |
1147 | def _import_as_names_from_arin(self, downloader): |
1148 | # Delete all previously imported content | |
1149 | self.db.execute("DELETE FROM autnums WHERE source = %s", "ARIN") | |
92403f39 | 1150 | |
18a72eac MT |
1151 | # Try to retrieve the feed from ftp.arin.net |
1152 | feed = downloader.request_lines("https://ftp.arin.net/pub/resource_registry_service/asns.csv") | |
f4f3d8ad | 1153 | |
18a72eac MT |
1154 | # Walk through the file |
1155 | for line in csv.DictReader(feed, dialect="arin"): | |
1156 | log.debug("Processing object: %s" % line) | |
92403f39 | 1157 | |
18a72eac MT |
1158 | # Fetch status |
1159 | status = line.get("Status") | |
92403f39 | 1160 | |
18a72eac MT |
1161 | # We are only interested in anything managed by ARIN |
1162 | if not status == "Full Registry Services": | |
85e44d9a | 1163 | continue |
92403f39 | 1164 | |
18a72eac MT |
1165 | # Fetch organization name |
1166 | name = line.get("Org Name") | |
92403f39 | 1167 | |
18a72eac MT |
1168 | # Extract ASNs |
1169 | first_asn = line.get("Start AS Number") | |
1170 | last_asn = line.get("End AS Number") | |
f4f3d8ad | 1171 | |
18a72eac MT |
1172 | # Cast to a number |
1173 | try: | |
1174 | first_asn = int(first_asn) | |
1175 | except TypeError as e: | |
1176 | log.warning("Could not parse ASN '%s'" % first_asn) | |
85e44d9a | 1177 | continue |
92403f39 | 1178 | |
18a72eac MT |
1179 | try: |
1180 | last_asn = int(last_asn) | |
1181 | except TypeError as e: | |
1182 | log.warning("Could not parse ASN '%s'" % last_asn) | |
f4f3d8ad | 1183 | continue |
92403f39 | 1184 | |
18a72eac MT |
1185 | # Check if the range is valid |
1186 | if last_asn < first_asn: | |
1187 | log.warning("Invalid ASN range %s-%s" % (first_asn, last_asn)) | |
1188 | ||
1189 | # Insert everything into the database | |
1190 | for asn in range(first_asn, last_asn + 1): | |
1191 | if not self._check_parsed_asn(asn): | |
1192 | log.warning("Skipping invalid ASN %s" % asn) | |
1193 | continue | |
1194 | ||
1195 | self.db.execute(""" | |
1196 | INSERT INTO | |
1197 | autnums | |
1198 | ( | |
1199 | number, | |
1200 | name, | |
1201 | source | |
1202 | ) | |
1203 | VALUES | |
1204 | ( | |
1205 | %s, %s, %s | |
1206 | ) | |
1207 | ON CONFLICT | |
1208 | ( | |
1209 | number | |
1210 | ) | |
1211 | DO NOTHING | |
1212 | """, asn, name, "ARIN", | |
1213 | ) | |
92403f39 | 1214 | |
83d61c46 MT |
1215 | def handle_update_announcements(self, ns): |
1216 | server = ns.server[0] | |
1217 | ||
22d8d199 MT |
1218 | with self.db.transaction(): |
1219 | if server.startswith("/"): | |
1220 | self._handle_update_announcements_from_bird(server) | |
22d8d199 MT |
1221 | |
1222 | # Purge anything we never want here | |
1223 | self.db.execute(""" | |
1224 | -- Delete default routes | |
1225 | DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0'; | |
1226 | ||
1227 | -- Delete anything that is not global unicast address space | |
1228 | DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3'; | |
1229 | ||
1230 | -- DELETE "current network" address space | |
1231 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8'; | |
1232 | ||
1233 | -- DELETE local loopback address space | |
1234 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8'; | |
1235 | ||
1236 | -- DELETE RFC 1918 address space | |
1237 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8'; | |
1238 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12'; | |
1239 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16'; | |
1240 | ||
1241 | -- DELETE test, benchmark and documentation address space | |
1242 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24'; | |
1243 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24'; | |
1244 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15'; | |
1245 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24'; | |
1246 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24'; | |
1247 | ||
1248 | -- DELETE CGNAT address space (RFC 6598) | |
1249 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10'; | |
1250 | ||
1251 | -- DELETE link local address space | |
1252 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16'; | |
1253 | ||
b4d5b2a6 | 1254 | -- DELETE IPv6 to IPv4 (6to4) address space (RFC 3068) |
22d8d199 | 1255 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24'; |
b4d5b2a6 | 1256 | DELETE FROM announcements WHERE family(network) = 6 AND network <<= '2002::/16'; |
22d8d199 MT |
1257 | |
1258 | -- DELETE multicast and reserved address space | |
1259 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4'; | |
1260 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4'; | |
1261 | ||
1262 | -- Delete networks that are too small to be in the global routing table | |
1263 | DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48; | |
1264 | DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24; | |
1265 | ||
1266 | -- Delete any non-public or reserved ASNs | |
1267 | DELETE FROM announcements WHERE NOT ( | |
1268 | (autnum >= 1 AND autnum <= 23455) | |
1269 | OR | |
1270 | (autnum >= 23457 AND autnum <= 64495) | |
1271 | OR | |
1272 | (autnum >= 131072 AND autnum <= 4199999999) | |
1273 | ); | |
1274 | ||
1275 | -- Delete everything that we have not seen for 14 days | |
1276 | DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days'; | |
1277 | """) | |
1278 | ||
1279 | def _handle_update_announcements_from_bird(self, server): | |
1280 | # Pre-compile the regular expression for faster searching | |
35e5f041 | 1281 | route = re.compile(b"^\s(.+?)\s+.+?\[(?:AS(.*?))?.\]$") |
22d8d199 MT |
1282 | |
1283 | log.info("Requesting routing table from Bird (%s)" % server) | |
1284 | ||
35e5f041 MT |
1285 | aggregated_networks = [] |
1286 | ||
22d8d199 MT |
1287 | # Send command to list all routes |
1288 | for line in self._bird_cmd(server, "show route"): | |
1289 | m = route.match(line) | |
1290 | if not m: | |
b767db8d MT |
1291 | # Skip empty lines |
1292 | if not line: | |
1293 | pass | |
1294 | ||
45fa97cd | 1295 | # Ignore any header lines with the name of the routing table |
b767db8d MT |
1296 | elif line.startswith(b"Table"): |
1297 | pass | |
45fa97cd MT |
1298 | |
1299 | # Log anything else | |
b767db8d MT |
1300 | else: |
1301 | log.debug("Could not parse line: %s" % line.decode()) | |
1302 | ||
22d8d199 MT |
1303 | continue |
1304 | ||
1305 | # Fetch the extracted network and ASN | |
1306 | network, autnum = m.groups() | |
1307 | ||
35e5f041 MT |
1308 | # Decode into strings |
1309 | if network: | |
1310 | network = network.decode() | |
1311 | if autnum: | |
1312 | autnum = autnum.decode() | |
1313 | ||
1314 | # Collect all aggregated networks | |
1315 | if not autnum: | |
1316 | log.debug("%s is an aggregated network" % network) | |
1317 | aggregated_networks.append(network) | |
1318 | continue | |
1319 | ||
22d8d199 MT |
1320 | # Insert it into the database |
1321 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
1322 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
1323 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
35e5f041 | 1324 | network, autnum, |
22d8d199 MT |
1325 | ) |
1326 | ||
35e5f041 MT |
1327 | # Process any aggregated networks |
1328 | for network in aggregated_networks: | |
1329 | log.debug("Processing aggregated network %s" % network) | |
1330 | ||
1331 | # Run "show route all" for each network | |
1332 | for line in self._bird_cmd(server, "show route %s all" % network): | |
1333 | # Try finding the path | |
1334 | m = re.match(b"\s+BGP\.as_path:.* (\d+) {\d+}$", line) | |
1335 | if m: | |
1336 | # Select the last AS number in the path | |
1337 | autnum = m.group(1).decode() | |
1338 | ||
1339 | # Insert it into the database | |
1340 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
1341 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
1342 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
1343 | network, autnum, | |
1344 | ) | |
1345 | ||
1346 | # We don't need to process any more | |
1347 | break | |
1348 | ||
22d8d199 MT |
1349 | def _bird_cmd(self, socket_path, command): |
1350 | # Connect to the socket | |
1351 | s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) | |
1352 | s.connect(socket_path) | |
cedee656 | 1353 | |
22d8d199 MT |
1354 | # Allocate some buffer |
1355 | buffer = b"" | |
83d61c46 | 1356 | |
bbcefb38 MT |
1357 | log.debug("Sending Bird command: %s" % command) |
1358 | ||
22d8d199 MT |
1359 | # Send the command |
1360 | s.send(b"%s\n" % command.encode()) | |
209c04b6 | 1361 | |
22d8d199 MT |
1362 | while True: |
1363 | # Fill up the buffer | |
1364 | buffer += s.recv(4096) | |
209c04b6 | 1365 | |
22d8d199 MT |
1366 | while True: |
1367 | # Search for the next newline | |
1368 | pos = buffer.find(b"\n") | |
209c04b6 | 1369 | |
22d8d199 MT |
1370 | # If we cannot find one, we go back and read more data |
1371 | if pos <= 0: | |
1372 | break | |
209c04b6 | 1373 | |
22d8d199 MT |
1374 | # Cut after the newline character |
1375 | pos += 1 | |
b89cee80 | 1376 | |
22d8d199 MT |
1377 | # Split the line we want and keep the rest in buffer |
1378 | line, buffer = buffer[:pos], buffer[pos:] | |
83d61c46 | 1379 | |
bbcefb38 MT |
1380 | # Try parsing any status lines |
1381 | if len(line) > 4 and line[:4].isdigit() and line[4] in (32, 45): | |
1382 | code, delim, line = int(line[:4]), line[4], line[5:] | |
1383 | ||
1384 | log.debug("Received response code %s from bird" % code) | |
1385 | ||
1386 | # End of output | |
1387 | if code == 0: | |
1388 | return | |
1389 | ||
1390 | # Ignore hello line | |
1391 | elif code == 1: | |
1392 | continue | |
83d61c46 | 1393 | |
22d8d199 MT |
1394 | # Otherwise return the line |
1395 | yield line | |
83d61c46 | 1396 | |
0fcdd689 | 1397 | def handle_update_geofeeds(self, ns): |
ef8d1f67 MT |
1398 | # Sync geofeeds |
1399 | with self.db.transaction(): | |
1400 | # Delete all geofeeds which are no longer linked | |
1401 | self.db.execute(""" | |
1402 | DELETE FROM | |
1403 | geofeeds | |
1404 | WHERE | |
1405 | NOT EXISTS ( | |
1406 | SELECT | |
1407 | 1 | |
1408 | FROM | |
1409 | network_geofeeds | |
1410 | WHERE | |
1411 | geofeeds.url = network_geofeeds.url | |
1412 | )""", | |
1413 | ) | |
1414 | ||
1415 | # Copy all geofeeds | |
1416 | self.db.execute(""" | |
1417 | INSERT INTO | |
1418 | geofeeds( | |
1419 | url | |
1420 | ) | |
1421 | SELECT | |
1422 | url | |
1423 | FROM | |
1424 | network_geofeeds | |
1425 | ON CONFLICT (url) | |
1426 | DO NOTHING | |
1427 | """, | |
1428 | ) | |
1429 | ||
0fcdd689 MT |
1430 | # Fetch all Geofeeds that require an update |
1431 | geofeeds = self.db.query(""" | |
1432 | SELECT | |
1433 | id, | |
1434 | url | |
1435 | FROM | |
1436 | geofeeds | |
1437 | WHERE | |
1438 | updated_at IS NULL | |
1439 | OR | |
1440 | updated_at <= CURRENT_TIMESTAMP - INTERVAL '1 week' | |
1441 | ORDER BY | |
1442 | id | |
1443 | """) | |
1444 | ||
1445 | with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor: | |
1446 | results = executor.map(self._fetch_geofeed, geofeeds) | |
1447 | ||
fa33b321 | 1448 | # Fetch all results to raise any exceptions |
0fcdd689 | 1449 | for result in results: |
fa33b321 | 1450 | pass |
0fcdd689 | 1451 | |
a4e50c7a MT |
1452 | # Delete data from any feeds that did not update in the last two weeks |
1453 | with self.db.transaction(): | |
1454 | self.db.execute(""" | |
1455 | DELETE FROM | |
1456 | geofeed_networks | |
1457 | WHERE | |
1458 | geofeed_networks.geofeed_id IN ( | |
1459 | SELECT | |
1460 | geofeeds.id | |
1461 | FROM | |
1462 | geofeeds | |
1463 | WHERE | |
1464 | updated_at IS NULL | |
1465 | OR | |
1466 | updated_at <= CURRENT_TIMESTAMP - INTERVAL '2 weeks' | |
1467 | ) | |
1468 | """) | |
1469 | ||
0fcdd689 MT |
1470 | def _fetch_geofeed(self, geofeed): |
1471 | log.debug("Fetching Geofeed %s" % geofeed.url) | |
1472 | ||
1473 | with self.db.transaction(): | |
1474 | # Open the URL | |
1475 | try: | |
1476 | req = urllib.request.Request(geofeed.url, headers={ | |
1477 | "User-Agent" : "location/%s" % location.__version__, | |
1478 | ||
1479 | # We expect some plain text file in CSV format | |
1480 | "Accept" : "text/csv, text/plain", | |
1481 | }) | |
1482 | ||
1483 | # XXX set proxy | |
1484 | ||
1485 | # Send the request | |
1486 | with urllib.request.urlopen(req, timeout=10) as f: | |
1487 | # Remove any previous data | |
1488 | self.db.execute("DELETE FROM geofeed_networks \ | |
1489 | WHERE geofeed_id = %s", geofeed.id) | |
1490 | ||
5e632485 MT |
1491 | lineno = 0 |
1492 | ||
0fcdd689 MT |
1493 | # Read the output line by line |
1494 | for line in f: | |
5e632485 MT |
1495 | lineno += 1 |
1496 | ||
56f147ce MT |
1497 | try: |
1498 | line = line.decode() | |
1499 | ||
1500 | # Ignore any lines we cannot decode | |
1501 | except UnicodeDecodeError: | |
1502 | log.debug("Could not decode line %s in %s" \ | |
1503 | % (lineno, geofeed.url)) | |
1504 | continue | |
0fcdd689 MT |
1505 | |
1506 | # Strip any newline | |
1507 | line = line.rstrip() | |
1508 | ||
1509 | # Skip empty lines | |
1510 | if not line: | |
1511 | continue | |
1512 | ||
1513 | # Try to parse the line | |
1514 | try: | |
1515 | fields = line.split(",", 5) | |
1516 | except ValueError: | |
1517 | log.debug("Could not parse line: %s" % line) | |
1518 | continue | |
1519 | ||
1520 | # Check if we have enough fields | |
1521 | if len(fields) < 4: | |
1522 | log.debug("Not enough fields in line: %s" % line) | |
1523 | continue | |
1524 | ||
1525 | # Fetch all fields | |
1526 | network, country, region, city, = fields[:4] | |
1527 | ||
1528 | # Try to parse the network | |
1529 | try: | |
1530 | network = ipaddress.ip_network(network, strict=False) | |
1531 | except ValueError: | |
1532 | log.debug("Could not parse network: %s" % network) | |
1533 | continue | |
1534 | ||
72908243 | 1535 | # Strip any excess whitespace from country codes |
4ed16a14 MT |
1536 | country = country.strip() |
1537 | ||
1538 | # Make the country code uppercase | |
1539 | country = country.upper() | |
72908243 MT |
1540 | |
1541 | # Check the country code | |
5e632485 MT |
1542 | if not country: |
1543 | log.debug("Empty country code in Geofeed %s line %s" \ | |
1544 | % (geofeed.url, lineno)) | |
1545 | continue | |
1546 | ||
1547 | elif not location.country_code_is_valid(country): | |
8228a917 MT |
1548 | log.debug("Invalid country code in Geofeed %s:%s: %s" \ |
1549 | % (geofeed.url, lineno, country)) | |
72908243 | 1550 | continue |
0fcdd689 MT |
1551 | |
1552 | # Write this into the database | |
1553 | self.db.execute(""" | |
1554 | INSERT INTO | |
1555 | geofeed_networks ( | |
1556 | geofeed_id, | |
1557 | network, | |
1558 | country, | |
1559 | region, | |
1560 | city | |
1561 | ) | |
1562 | VALUES (%s, %s, %s, %s, %s)""", | |
1563 | geofeed.id, | |
1564 | "%s" % network, | |
1565 | country, | |
1566 | region, | |
1567 | city, | |
1568 | ) | |
1569 | ||
1570 | # Catch any HTTP errors | |
1571 | except urllib.request.HTTPError as e: | |
ce308393 MT |
1572 | self.db.execute("UPDATE geofeeds SET status = %s, error = %s \ |
1573 | WHERE id = %s", e.code, "%s" % e, geofeed.id) | |
0fcdd689 | 1574 | |
bf07adcc MT |
1575 | # Remove any previous data when the feed has been deleted |
1576 | if e.code == 404: | |
1577 | self.db.execute("DELETE FROM geofeed_networks \ | |
1578 | WHERE geofeed_id = %s", geofeed.id) | |
1579 | ||
ce308393 | 1580 | # Catch any other errors and connection timeouts |
a6fedd9f | 1581 | except (http.client.InvalidURL, urllib.request.URLError, TimeoutError) as e: |
ce308393 | 1582 | log.debug("Could not fetch URL %s: %s" % (geofeed.url, e)) |
0fcdd689 | 1583 | |
ce308393 MT |
1584 | self.db.execute("UPDATE geofeeds SET status = %s, error = %s \ |
1585 | WHERE id = %s", 599, "%s" % e, geofeed.id) | |
15437681 | 1586 | |
0fcdd689 MT |
1587 | # Mark the geofeed as updated |
1588 | else: | |
1589 | self.db.execute(""" | |
1590 | UPDATE | |
1591 | geofeeds | |
1592 | SET | |
1593 | updated_at = CURRENT_TIMESTAMP, | |
ce308393 MT |
1594 | status = NULL, |
1595 | error = NULL | |
0fcdd689 MT |
1596 | WHERE |
1597 | id = %s""", | |
1598 | geofeed.id, | |
1599 | ) | |
1600 | ||
d7fc3057 MT |
1601 | def handle_update_overrides(self, ns): |
1602 | with self.db.transaction(): | |
68fdeb3b PM |
1603 | # Only drop manually created overrides, as we can be reasonably sure to have them, |
1604 | # and preserve the rest. If appropriate, it is deleted by correspondent functions. | |
d7fc3057 | 1605 | self.db.execute(""" |
68fdeb3b PM |
1606 | DELETE FROM autnum_overrides WHERE source = 'manual'; |
1607 | DELETE FROM network_overrides WHERE source = 'manual'; | |
d7fc3057 MT |
1608 | """) |
1609 | ||
dcef2ba4 PM |
1610 | # Update overrides for various cloud providers big enough to publish their own IP |
1611 | # network allocation lists in a machine-readable format... | |
1612 | self._update_overrides_for_aws() | |
1613 | ||
69b3d894 | 1614 | # Update overrides for Spamhaus DROP feeds... |
99d15292 | 1615 | self._update_feed_for_spamhaus_drop() |
69b3d894 | 1616 | |
d7fc3057 MT |
1617 | for file in ns.files: |
1618 | log.info("Reading %s..." % file) | |
1619 | ||
1620 | with open(file, "rb") as f: | |
1621 | for type, block in location.importer.read_blocks(f): | |
1622 | if type == "net": | |
1623 | network = block.get("net") | |
1624 | # Try to parse and normalise the network | |
1625 | try: | |
1626 | network = ipaddress.ip_network(network, strict=False) | |
1627 | except ValueError as e: | |
1628 | log.warning("Invalid IP network: %s: %s" % (network, e)) | |
1629 | continue | |
1630 | ||
94dfab8c MT |
1631 | # Prevent that we overwrite all networks |
1632 | if network.prefixlen == 0: | |
1633 | log.warning("Skipping %s: You cannot overwrite default" % network) | |
1634 | continue | |
1635 | ||
d7fc3057 MT |
1636 | self.db.execute(""" |
1637 | INSERT INTO network_overrides( | |
1638 | network, | |
1639 | country, | |
39ee3120 | 1640 | source, |
d7fc3057 MT |
1641 | is_anonymous_proxy, |
1642 | is_satellite_provider, | |
e17e804e PM |
1643 | is_anycast, |
1644 | is_drop | |
39ee3120 | 1645 | ) VALUES (%s, %s, %s, %s, %s, %s, %s) |
d7fc3057 MT |
1646 | ON CONFLICT (network) DO NOTHING""", |
1647 | "%s" % network, | |
1648 | block.get("country"), | |
39ee3120 | 1649 | "manual", |
28d29b7c MT |
1650 | self._parse_bool(block, "is-anonymous-proxy"), |
1651 | self._parse_bool(block, "is-satellite-provider"), | |
1652 | self._parse_bool(block, "is-anycast"), | |
e17e804e | 1653 | self._parse_bool(block, "drop"), |
d7fc3057 MT |
1654 | ) |
1655 | ||
f476cdfd MT |
1656 | elif type == "aut-num": |
1657 | autnum = block.get("aut-num") | |
d7fc3057 MT |
1658 | |
1659 | # Check if AS number begins with "AS" | |
1660 | if not autnum.startswith("AS"): | |
1661 | log.warning("Invalid AS number: %s" % autnum) | |
1662 | continue | |
1663 | ||
1664 | # Strip "AS" | |
1665 | autnum = autnum[2:] | |
1666 | ||
1667 | self.db.execute(""" | |
1668 | INSERT INTO autnum_overrides( | |
1669 | number, | |
1670 | name, | |
bd1aa6a1 | 1671 | country, |
39ee3120 | 1672 | source, |
d7fc3057 MT |
1673 | is_anonymous_proxy, |
1674 | is_satellite_provider, | |
e17e804e PM |
1675 | is_anycast, |
1676 | is_drop | |
39ee3120 | 1677 | ) VALUES(%s, %s, %s, %s, %s, %s, %s, %s) |
d7fc3057 | 1678 | ON CONFLICT DO NOTHING""", |
bd1aa6a1 MT |
1679 | autnum, |
1680 | block.get("name"), | |
1681 | block.get("country"), | |
39ee3120 | 1682 | "manual", |
28d29b7c MT |
1683 | self._parse_bool(block, "is-anonymous-proxy"), |
1684 | self._parse_bool(block, "is-satellite-provider"), | |
1685 | self._parse_bool(block, "is-anycast"), | |
e17e804e | 1686 | self._parse_bool(block, "drop"), |
d7fc3057 MT |
1687 | ) |
1688 | ||
1689 | else: | |
03d24a9b | 1690 | log.warning("Unsupported type: %s" % type) |
d7fc3057 | 1691 | |
dcef2ba4 PM |
1692 | def _update_overrides_for_aws(self): |
1693 | # Download Amazon AWS IP allocation file to create overrides... | |
1694 | downloader = location.importer.Downloader() | |
1695 | ||
1696 | try: | |
85e44d9a MT |
1697 | # Fetch IP ranges |
1698 | f = downloader.retrieve("https://ip-ranges.amazonaws.com/ip-ranges.json") | |
1699 | ||
1700 | # Parse downloaded file | |
1701 | aws_ip_dump = json.load(f) | |
dcef2ba4 PM |
1702 | except Exception as e: |
1703 | log.error("unable to preprocess Amazon AWS IP ranges: %s" % e) | |
1704 | return | |
1705 | ||
68fdeb3b PM |
1706 | # At this point, we can assume the downloaded file to be valid |
1707 | self.db.execute(""" | |
1708 | DELETE FROM network_overrides WHERE source = 'Amazon AWS IP feed'; | |
1709 | """) | |
1710 | ||
dcef2ba4 PM |
1711 | # XXX: Set up a dictionary for mapping a region name to a country. Unfortunately, |
1712 | # there seems to be no machine-readable version available of this other than | |
1713 | # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html | |
1714 | # (worse, it seems to be incomplete :-/ ); https://www.cloudping.cloud/endpoints | |
1715 | # was helpful here as well. | |
1716 | aws_region_country_map = { | |
1717 | "af-south-1": "ZA", | |
1718 | "ap-east-1": "HK", | |
1719 | "ap-south-1": "IN", | |
1720 | "ap-south-2": "IN", | |
1721 | "ap-northeast-3": "JP", | |
1722 | "ap-northeast-2": "KR", | |
1723 | "ap-southeast-1": "SG", | |
1724 | "ap-southeast-2": "AU", | |
1725 | "ap-southeast-3": "MY", | |
1726 | "ap-southeast-4": "AU", | |
f0543670 | 1727 | "ap-southeast-5": "NZ", # Auckland, NZ |
c9486b13 | 1728 | "ap-southeast-6": "AP", # XXX: Precise location not documented anywhere |
dcef2ba4 PM |
1729 | "ap-northeast-1": "JP", |
1730 | "ca-central-1": "CA", | |
c9486b13 | 1731 | "ca-west-1": "CA", |
dcef2ba4 PM |
1732 | "eu-central-1": "DE", |
1733 | "eu-central-2": "CH", | |
1734 | "eu-west-1": "IE", | |
1735 | "eu-west-2": "GB", | |
1736 | "eu-south-1": "IT", | |
1737 | "eu-south-2": "ES", | |
1738 | "eu-west-3": "FR", | |
1739 | "eu-north-1": "SE", | |
a0543680 | 1740 | "eusc-de-east-1" : "DE", # XXX: Undocumented, likely located in Berlin rather than Frankfurt |
ad017947 | 1741 | "il-central-1": "IL", # XXX: This one is not documented anywhere except for ip-ranges.json itself |
dcef2ba4 PM |
1742 | "me-central-1": "AE", |
1743 | "me-south-1": "BH", | |
1744 | "sa-east-1": "BR" | |
1745 | } | |
1746 | ||
1747 | # Fetch all valid country codes to check parsed networks aganist... | |
1748 | rows = self.db.query("SELECT * FROM countries ORDER BY country_code") | |
1749 | validcountries = [] | |
1750 | ||
1751 | for row in rows: | |
1752 | validcountries.append(row.country_code) | |
1753 | ||
1754 | with self.db.transaction(): | |
1755 | for snetwork in aws_ip_dump["prefixes"] + aws_ip_dump["ipv6_prefixes"]: | |
1756 | try: | |
1757 | network = ipaddress.ip_network(snetwork.get("ip_prefix") or snetwork.get("ipv6_prefix"), strict=False) | |
1758 | except ValueError: | |
1759 | log.warning("Unable to parse line: %s" % snetwork) | |
1760 | continue | |
1761 | ||
1762 | # Sanitize parsed networks... | |
1763 | if not self._check_parsed_network(network): | |
1764 | continue | |
1765 | ||
1766 | # Determine region of this network... | |
1767 | region = snetwork["region"] | |
1768 | cc = None | |
1769 | is_anycast = False | |
1770 | ||
1771 | # Any region name starting with "us-" will get "US" country code assigned straight away... | |
1772 | if region.startswith("us-"): | |
1773 | cc = "US" | |
1774 | elif region.startswith("cn-"): | |
1775 | # ... same goes for China ... | |
1776 | cc = "CN" | |
1777 | elif region == "GLOBAL": | |
1778 | # ... funny region name for anycast-like networks ... | |
1779 | is_anycast = True | |
1780 | elif region in aws_region_country_map: | |
1781 | # ... assign looked up country code otherwise ... | |
1782 | cc = aws_region_country_map[region] | |
1783 | else: | |
1784 | # ... and bail out if we are missing something here | |
1785 | log.warning("Unable to determine country code for line: %s" % snetwork) | |
1786 | continue | |
1787 | ||
1788 | # Skip networks with unknown country codes | |
1789 | if not is_anycast and validcountries and cc not in validcountries: | |
1790 | log.warning("Skipping Amazon AWS network with bogus country '%s': %s" % \ | |
1791 | (cc, network)) | |
1792 | return | |
1793 | ||
1794 | # Conduct SQL statement... | |
1795 | self.db.execute(""" | |
1796 | INSERT INTO network_overrides( | |
1797 | network, | |
1798 | country, | |
1799 | source, | |
1800 | is_anonymous_proxy, | |
1801 | is_satellite_provider, | |
1802 | is_anycast | |
1803 | ) VALUES (%s, %s, %s, %s, %s, %s) | |
1804 | ON CONFLICT (network) DO NOTHING""", | |
1805 | "%s" % network, | |
1806 | cc, | |
1807 | "Amazon AWS IP feed", | |
1808 | None, | |
1809 | None, | |
1810 | is_anycast, | |
1811 | ) | |
1812 | ||
1813 | ||
99d15292 | 1814 | def _update_feed_for_spamhaus_drop(self): |
69b3d894 PM |
1815 | downloader = location.importer.Downloader() |
1816 | ||
5acac2a4 PM |
1817 | ip_lists = [ |
1818 | ("SPAMHAUS-DROP", "https://www.spamhaus.org/drop/drop.txt"), | |
1819 | ("SPAMHAUS-EDROP", "https://www.spamhaus.org/drop/edrop.txt"), | |
1820 | ("SPAMHAUS-DROPV6", "https://www.spamhaus.org/drop/dropv6.txt") | |
69b3d894 PM |
1821 | ] |
1822 | ||
5acac2a4 | 1823 | asn_lists = [ |
5c7cfeb2 | 1824 | ("SPAMHAUS-ASNDROP", "https://www.spamhaus.org/drop/asndrop.json") |
69b3d894 PM |
1825 | ] |
1826 | ||
5acac2a4 PM |
1827 | for name, url in ip_lists: |
1828 | # Fetch IP list from given URL | |
85e44d9a MT |
1829 | f = downloader.retrieve(url) |
1830 | ||
1831 | # Split into lines | |
1832 | fcontent = f.readlines() | |
69b3d894 | 1833 | |
69b3d894 | 1834 | with self.db.transaction(): |
5acac2a4 PM |
1835 | # Conduct a very basic sanity check to rule out CDN issues causing bogus DROP |
1836 | # downloads. | |
1837 | if len(fcontent) > 10: | |
6d43a05e | 1838 | self.db.execute("DELETE FROM network_feeds WHERE source = %s", name) |
5acac2a4 | 1839 | else: |
4efa6d84 | 1840 | log.warning("%s (%s) returned likely bogus file, ignored" % (name, url)) |
5acac2a4 PM |
1841 | continue |
1842 | ||
1843 | # Iterate through every line, filter comments and add remaining networks to | |
1844 | # the override table in case they are valid... | |
69b3d894 | 1845 | for sline in fcontent: |
69b3d894 PM |
1846 | # The response is assumed to be encoded in UTF-8... |
1847 | sline = sline.decode("utf-8") | |
1848 | ||
1849 | # Comments start with a semicolon... | |
1850 | if sline.startswith(";"): | |
1851 | continue | |
1852 | ||
1853 | # Extract network and ignore anything afterwards... | |
1854 | try: | |
1855 | network = ipaddress.ip_network(sline.split()[0], strict=False) | |
1856 | except ValueError: | |
1857 | log.error("Unable to parse line: %s" % sline) | |
1858 | continue | |
1859 | ||
1860 | # Sanitize parsed networks... | |
1861 | if not self._check_parsed_network(network): | |
5acac2a4 PM |
1862 | log.warning("Skipping bogus network found in %s (%s): %s" % \ |
1863 | (name, url, network)) | |
69b3d894 PM |
1864 | continue |
1865 | ||
1866 | # Conduct SQL statement... | |
1867 | self.db.execute(""" | |
6d43a05e MT |
1868 | INSERT INTO |
1869 | network_feeds | |
1870 | ( | |
69b3d894 PM |
1871 | network, |
1872 | source, | |
1873 | is_drop | |
6d43a05e MT |
1874 | ) |
1875 | VALUES | |
1876 | ( | |
1877 | %s, %s, %s | |
1878 | )""", "%s" % network, name, True, | |
69b3d894 PM |
1879 | ) |
1880 | ||
5acac2a4 | 1881 | for name, url in asn_lists: |
85e44d9a MT |
1882 | # Fetch URL |
1883 | f = downloader.retrieve(url) | |
69b3d894 | 1884 | |
5acac2a4 PM |
1885 | # Split into lines |
1886 | fcontent = f.readlines() | |
1887 | ||
69b3d894 | 1888 | with self.db.transaction(): |
5acac2a4 PM |
1889 | # Conduct a very basic sanity check to rule out CDN issues causing bogus DROP |
1890 | # downloads. | |
1891 | if len(fcontent) > 10: | |
99d15292 | 1892 | self.db.execute("DELETE FROM autnum_feeds WHERE source = %s", name) |
5acac2a4 | 1893 | else: |
4efa6d84 | 1894 | log.warning("%s (%s) returned likely bogus file, ignored" % (name, url)) |
5acac2a4 PM |
1895 | continue |
1896 | ||
1897 | # Iterate through every line, filter comments and add remaining ASNs to | |
1898 | # the override table in case they are valid... | |
5c7cfeb2 | 1899 | for sline in fcontent: |
69b3d894 PM |
1900 | # The response is assumed to be encoded in UTF-8... |
1901 | sline = sline.decode("utf-8") | |
1902 | ||
5c7cfeb2 PM |
1903 | # Load every line as a JSON object and try to obtain an ASN from it... |
1904 | try: | |
1905 | lineobj = json.loads(sline) | |
1906 | except json.decoder.JSONDecodeError: | |
1907 | log.error("Unable to parse line as a JSON object: %s" % sline) | |
69b3d894 PM |
1908 | continue |
1909 | ||
5c7cfeb2 PM |
1910 | # Skip line contiaining file metadata |
1911 | try: | |
1912 | type = lineobj["type"] | |
69b3d894 | 1913 | |
5c7cfeb2 PM |
1914 | if type == "metadata": |
1915 | continue | |
1916 | except KeyError: | |
1917 | pass | |
69b3d894 | 1918 | |
5c7cfeb2 PM |
1919 | try: |
1920 | asn = lineobj["asn"] | |
1921 | as_name = lineobj["asname"] | |
1922 | except KeyError: | |
1923 | log.warning("Unable to extract necessary information from line: %s" % sline) | |
1924 | continue | |
69b3d894 PM |
1925 | |
1926 | # Filter invalid ASNs... | |
1927 | if not self._check_parsed_asn(asn): | |
5acac2a4 PM |
1928 | log.warning("Skipping bogus ASN found in %s (%s): %s" % \ |
1929 | (name, url, asn)) | |
69b3d894 PM |
1930 | continue |
1931 | ||
1932 | # Conduct SQL statement... | |
1933 | self.db.execute(""" | |
99d15292 MT |
1934 | INSERT INTO |
1935 | autnum_feeds | |
1936 | ( | |
69b3d894 PM |
1937 | number, |
1938 | source, | |
1939 | is_drop | |
99d15292 MT |
1940 | ) |
1941 | VALUES | |
1942 | ( | |
1943 | %s, %s, %s | |
1944 | )""", "%s" % asn, name, True, | |
69b3d894 PM |
1945 | ) |
1946 | ||
28d29b7c MT |
1947 | @staticmethod |
1948 | def _parse_bool(block, key): | |
1949 | val = block.get(key) | |
1950 | ||
1951 | # There is no point to proceed when we got None | |
1952 | if val is None: | |
1953 | return | |
1954 | ||
1955 | # Convert to lowercase | |
1956 | val = val.lower() | |
1957 | ||
1958 | # True | |
1959 | if val in ("yes", "1"): | |
1960 | return True | |
1961 | ||
1962 | # False | |
1963 | if val in ("no", "0"): | |
1964 | return False | |
1965 | ||
1966 | # Default to None | |
1967 | return None | |
1968 | ||
3ce28dea MT |
1969 | @property |
1970 | def countries(self): | |
1971 | # Fetch all valid country codes to check parsed networks aganist | |
1972 | rows = self.db.query("SELECT * FROM countries ORDER BY country_code") | |
1973 | ||
1974 | # Return all countries | |
1975 | return [row.country_code for row in rows] | |
1976 | ||
8084b33a MT |
1977 | def handle_import_countries(self, ns): |
1978 | with self.db.transaction(): | |
1979 | # Drop all data that we have | |
1980 | self.db.execute("TRUNCATE TABLE countries") | |
1981 | ||
1982 | for file in ns.file: | |
1983 | for line in file: | |
1984 | line = line.rstrip() | |
1985 | ||
1986 | # Ignore any comments | |
1987 | if line.startswith("#"): | |
1988 | continue | |
1989 | ||
1990 | try: | |
1991 | country_code, continent_code, name = line.split(maxsplit=2) | |
1992 | except: | |
1993 | log.warning("Could not parse line: %s" % line) | |
1994 | continue | |
1995 | ||
1996 | self.db.execute("INSERT INTO countries(country_code, name, continent_code) \ | |
1997 | VALUES(%s, %s, %s) ON CONFLICT DO NOTHING", country_code, name, continent_code) | |
1998 | ||
6ffd06b5 MT |
1999 | |
2000 | def split_line(line): | |
2001 | key, colon, val = line.partition(":") | |
2002 | ||
2003 | # Strip any excess space | |
2004 | key = key.strip() | |
2005 | val = val.strip() | |
78ff0cf2 | 2006 | |
6ffd06b5 | 2007 | return key, val |
78ff0cf2 MT |
2008 | |
2009 | def main(): | |
2010 | # Run the command line interface | |
2011 | c = CLI() | |
2012 | c.run() | |
2013 | ||
2014 | main() |