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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 | |
98d9079b | 21 | import asyncio |
f4f3d8ad | 22 | import csv |
81b28603 | 23 | import functools |
a6fedd9f | 24 | import http.client |
fa5dccf1 | 25 | import io |
6ffd06b5 | 26 | import ipaddress |
dcef2ba4 | 27 | import json |
78ff0cf2 | 28 | import logging |
6ffd06b5 MT |
29 | import math |
30 | import re | |
22d8d199 | 31 | import socket |
78ff0cf2 | 32 | import sys |
3ce28dea | 33 | import urllib.error |
78ff0cf2 MT |
34 | |
35 | # Load our location module | |
36 | import location | |
29c6fa22 | 37 | import location.database |
335946c0 | 38 | from location.downloader import Downloader |
78ff0cf2 MT |
39 | from location.i18n import _ |
40 | ||
41 | # Initialise logging | |
42 | log = logging.getLogger("location.importer") | |
43 | log.propagate = 1 | |
44 | ||
43fe570c PM |
45 | # Define constants |
46 | VALID_ASN_RANGES = ( | |
47 | (1, 23455), | |
48 | (23457, 64495), | |
49 | (131072, 4199999999), | |
50 | ) | |
51 | ||
afc966db MT |
52 | TRANSLATED_COUNTRIES = { |
53 | # When people say UK, they mean GB | |
54 | "UK" : "GB", | |
55 | } | |
56 | ||
30d32299 MT |
57 | IGNORED_COUNTRIES = set(( |
58 | # Formerly Yugoslavia | |
59 | "YU", | |
60 | ||
61 | # Some people use ZZ to say "no country" or to hide the country | |
62 | "ZZ", | |
63 | )) | |
64 | ||
18a72eac MT |
65 | # Configure the CSV parser for ARIN |
66 | csv.register_dialect("arin", delimiter=",", quoting=csv.QUOTE_ALL, quotechar="\"") | |
43fe570c | 67 | |
78ff0cf2 MT |
68 | class CLI(object): |
69 | def parse_cli(self): | |
70 | parser = argparse.ArgumentParser( | |
71 | description=_("Location Importer Command Line Interface"), | |
72 | ) | |
6ffd06b5 | 73 | subparsers = parser.add_subparsers() |
78ff0cf2 MT |
74 | |
75 | # Global configuration flags | |
76 | parser.add_argument("--debug", action="store_true", | |
77 | help=_("Enable debug output")) | |
bc1f5f53 MT |
78 | parser.add_argument("--quiet", action="store_true", |
79 | help=_("Enable quiet mode")) | |
78ff0cf2 MT |
80 | |
81 | # version | |
82 | parser.add_argument("--version", action="version", | |
83 | version="%(prog)s @VERSION@") | |
84 | ||
29c6fa22 MT |
85 | # Database |
86 | parser.add_argument("--database-host", required=True, | |
87 | help=_("Database Hostname"), metavar=_("HOST")) | |
88 | parser.add_argument("--database-name", required=True, | |
89 | help=_("Database Name"), metavar=_("NAME")) | |
90 | parser.add_argument("--database-username", required=True, | |
91 | help=_("Database Username"), metavar=_("USERNAME")) | |
92 | parser.add_argument("--database-password", required=True, | |
93 | help=_("Database Password"), metavar=_("PASSWORD")) | |
94 | ||
0983f3dd MT |
95 | # Write Database |
96 | write = subparsers.add_parser("write", help=_("Write database to file")) | |
97 | write.set_defaults(func=self.handle_write) | |
98 | write.add_argument("file", nargs=1, help=_("Database File")) | |
99 | write.add_argument("--signing-key", nargs="?", type=open, help=_("Signing Key")) | |
1164d876 | 100 | write.add_argument("--backup-signing-key", nargs="?", type=open, help=_("Backup Signing Key")) |
0983f3dd MT |
101 | write.add_argument("--vendor", nargs="?", help=_("Sets the vendor")) |
102 | write.add_argument("--description", nargs="?", help=_("Sets a description")) | |
103 | write.add_argument("--license", nargs="?", help=_("Sets the license")) | |
b904896a | 104 | write.add_argument("--version", type=int, help=_("Database Format Version")) |
0983f3dd | 105 | |
6ffd06b5 MT |
106 | # Update WHOIS |
107 | update_whois = subparsers.add_parser("update-whois", help=_("Update WHOIS Information")) | |
d77d05d1 MT |
108 | update_whois.add_argument("sources", nargs="*", |
109 | help=_("Only update these sources")) | |
6ffd06b5 MT |
110 | update_whois.set_defaults(func=self.handle_update_whois) |
111 | ||
83d61c46 MT |
112 | # Update announcements |
113 | update_announcements = subparsers.add_parser("update-announcements", | |
114 | help=_("Update BGP Annoucements")) | |
115 | update_announcements.set_defaults(func=self.handle_update_announcements) | |
116 | update_announcements.add_argument("server", nargs=1, | |
117 | help=_("Route Server to connect to"), metavar=_("SERVER")) | |
118 | ||
0fcdd689 MT |
119 | # Update geofeeds |
120 | update_geofeeds = subparsers.add_parser("update-geofeeds", | |
121 | help=_("Update Geofeeds")) | |
122 | update_geofeeds.set_defaults(func=self.handle_update_geofeeds) | |
123 | ||
93aad7f7 MT |
124 | # Update feeds |
125 | update_feeds = subparsers.add_parser("update-feeds", | |
126 | help=_("Update Feeds")) | |
f7f8e714 MT |
127 | update_feeds.add_argument("feeds", nargs="*", |
128 | help=_("Only update these feeds")) | |
93aad7f7 MT |
129 | update_feeds.set_defaults(func=self.handle_update_feeds) |
130 | ||
d7fc3057 MT |
131 | # Update overrides |
132 | update_overrides = subparsers.add_parser("update-overrides", | |
133 | help=_("Update overrides"), | |
134 | ) | |
135 | update_overrides.add_argument( | |
136 | "files", nargs="+", help=_("Files to import"), | |
137 | ) | |
138 | update_overrides.set_defaults(func=self.handle_update_overrides) | |
139 | ||
8084b33a MT |
140 | # Import countries |
141 | import_countries = subparsers.add_parser("import-countries", | |
142 | help=_("Import countries"), | |
143 | ) | |
144 | import_countries.add_argument("file", nargs=1, type=argparse.FileType("r"), | |
145 | help=_("File to import")) | |
146 | import_countries.set_defaults(func=self.handle_import_countries) | |
147 | ||
78ff0cf2 MT |
148 | args = parser.parse_args() |
149 | ||
bc1f5f53 | 150 | # Configure logging |
78ff0cf2 | 151 | if args.debug: |
f9de5e61 | 152 | location.logger.set_level(logging.DEBUG) |
bc1f5f53 MT |
153 | elif args.quiet: |
154 | location.logger.set_level(logging.WARNING) | |
78ff0cf2 | 155 | |
6ffd06b5 MT |
156 | # Print usage if no action was given |
157 | if not "func" in args: | |
158 | parser.print_usage() | |
159 | sys.exit(2) | |
160 | ||
78ff0cf2 MT |
161 | return args |
162 | ||
98d9079b | 163 | async def run(self): |
78ff0cf2 MT |
164 | # Parse command line arguments |
165 | args = self.parse_cli() | |
166 | ||
335946c0 MT |
167 | # Initialize the downloader |
168 | self.downloader = Downloader() | |
169 | ||
29c6fa22 | 170 | # Initialise database |
6ffd06b5 | 171 | self.db = self._setup_database(args) |
29c6fa22 | 172 | |
78ff0cf2 | 173 | # Call function |
98d9079b | 174 | ret = await args.func(args) |
78ff0cf2 MT |
175 | |
176 | # Return with exit code | |
177 | if ret: | |
178 | sys.exit(ret) | |
179 | ||
180 | # Otherwise just exit | |
181 | sys.exit(0) | |
182 | ||
29c6fa22 MT |
183 | def _setup_database(self, ns): |
184 | """ | |
185 | Initialise the database | |
186 | """ | |
187 | # Connect to database | |
188 | db = location.database.Connection( | |
189 | host=ns.database_host, database=ns.database_name, | |
190 | user=ns.database_username, password=ns.database_password, | |
191 | ) | |
192 | ||
193 | with db.transaction(): | |
194 | db.execute(""" | |
83d61c46 MT |
195 | -- announcements |
196 | CREATE TABLE IF NOT EXISTS announcements(network inet, autnum bigint, | |
197 | first_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP, | |
198 | last_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP); | |
199 | CREATE UNIQUE INDEX IF NOT EXISTS announcements_networks ON announcements(network); | |
1bf365d8 MT |
200 | CREATE INDEX IF NOT EXISTS announcements_search2 ON announcements |
201 | USING SPGIST(network inet_ops); | |
83d61c46 | 202 | |
6ffd06b5 | 203 | -- autnums |
0983f3dd | 204 | CREATE TABLE IF NOT EXISTS autnums(number bigint, name text NOT NULL); |
26f06e70 | 205 | ALTER TABLE autnums ADD COLUMN IF NOT EXISTS source text; |
6ffd06b5 MT |
206 | CREATE UNIQUE INDEX IF NOT EXISTS autnums_number ON autnums(number); |
207 | ||
8084b33a MT |
208 | -- countries |
209 | CREATE TABLE IF NOT EXISTS countries( | |
210 | country_code text NOT NULL, name text NOT NULL, continent_code text NOT NULL); | |
211 | CREATE UNIQUE INDEX IF NOT EXISTS countries_country_code ON countries(country_code); | |
212 | ||
429a43d1 | 213 | -- networks |
83d61c46 | 214 | CREATE TABLE IF NOT EXISTS networks(network inet, country text); |
b6b2b331 | 215 | ALTER TABLE networks ADD COLUMN IF NOT EXISTS original_countries text[]; |
26f06e70 | 216 | ALTER TABLE networks ADD COLUMN IF NOT EXISTS source text; |
429a43d1 | 217 | CREATE UNIQUE INDEX IF NOT EXISTS networks_network ON networks(network); |
1bf365d8 MT |
218 | CREATE INDEX IF NOT EXISTS networks_search2 ON networks |
219 | USING SPGIST(network inet_ops); | |
d7fc3057 | 220 | |
183b2f74 | 221 | -- geofeeds |
0fcdd689 MT |
222 | CREATE TABLE IF NOT EXISTS geofeeds( |
223 | id serial primary key, | |
224 | url text, | |
225 | status integer default null, | |
226 | updated_at timestamp without time zone default null | |
227 | ); | |
ce308393 | 228 | ALTER TABLE geofeeds ADD COLUMN IF NOT EXISTS error text; |
0fcdd689 MT |
229 | CREATE UNIQUE INDEX IF NOT EXISTS geofeeds_unique |
230 | ON geofeeds(url); | |
231 | CREATE TABLE IF NOT EXISTS geofeed_networks( | |
232 | geofeed_id integer references geofeeds(id) on delete cascade, | |
233 | network inet, | |
234 | country text, | |
235 | region text, | |
236 | city text | |
237 | ); | |
238 | CREATE INDEX IF NOT EXISTS geofeed_networks_geofeed_id | |
239 | ON geofeed_networks(geofeed_id); | |
183b2f74 | 240 | CREATE TABLE IF NOT EXISTS network_geofeeds(network inet, url text); |
b8f3075b | 241 | ALTER TABLE network_geofeeds ADD COLUMN IF NOT EXISTS source text NOT NULL; |
2b96ed27 MT |
242 | CREATE UNIQUE INDEX IF NOT EXISTS network_geofeeds_unique2 |
243 | ON network_geofeeds(network, url); | |
7f0a6add MT |
244 | CREATE INDEX IF NOT EXISTS network_geofeeds_url |
245 | ON network_geofeeds(url); | |
183b2f74 | 246 | |
7808c8b7 MT |
247 | -- feeds |
248 | CREATE TABLE IF NOT EXISTS autnum_feeds( | |
249 | number bigint NOT NULL, | |
250 | source text NOT NULL, | |
251 | name text, | |
252 | country text, | |
253 | is_anonymous_proxy boolean, | |
254 | is_satellite_provider boolean, | |
255 | is_anycast boolean, | |
256 | is_drop boolean | |
257 | ); | |
258 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_feeds_unique | |
259 | ON autnum_feeds(number, source); | |
260 | ||
c923c1cc MT |
261 | CREATE TABLE IF NOT EXISTS network_feeds( |
262 | network inet NOT NULL, | |
263 | source text NOT NULL, | |
264 | country text, | |
265 | is_anonymous_proxy boolean, | |
266 | is_satellite_provider boolean, | |
267 | is_anycast boolean, | |
268 | is_drop boolean | |
269 | ); | |
270 | CREATE UNIQUE INDEX IF NOT EXISTS network_feeds_unique | |
271 | ON network_feeds(network, source); | |
c923c1cc | 272 | |
d7fc3057 MT |
273 | -- overrides |
274 | CREATE TABLE IF NOT EXISTS autnum_overrides( | |
275 | number bigint NOT NULL, | |
276 | name text, | |
bd1aa6a1 | 277 | country text, |
b8e25b71 MT |
278 | is_anonymous_proxy boolean, |
279 | is_satellite_provider boolean, | |
280 | is_anycast boolean | |
d7fc3057 MT |
281 | ); |
282 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_overrides_number | |
283 | ON autnum_overrides(number); | |
e17e804e | 284 | ALTER TABLE autnum_overrides ADD COLUMN IF NOT EXISTS is_drop boolean; |
667ad134 | 285 | ALTER TABLE autnum_overrides DROP COLUMN IF EXISTS source; |
d7fc3057 MT |
286 | |
287 | CREATE TABLE IF NOT EXISTS network_overrides( | |
288 | network inet NOT NULL, | |
289 | country text, | |
b8e25b71 MT |
290 | is_anonymous_proxy boolean, |
291 | is_satellite_provider boolean, | |
292 | is_anycast boolean | |
d7fc3057 MT |
293 | ); |
294 | CREATE UNIQUE INDEX IF NOT EXISTS network_overrides_network | |
295 | ON network_overrides(network); | |
e17e804e | 296 | ALTER TABLE network_overrides ADD COLUMN IF NOT EXISTS is_drop boolean; |
667ad134 | 297 | ALTER TABLE network_overrides DROP COLUMN IF EXISTS source; |
3efe0297 | 298 | |
e075b723 | 299 | -- Cleanup things we no longer need |
f5a4557d | 300 | DROP TABLE IF EXISTS geofeed_overrides; |
e075b723 | 301 | DROP INDEX IF EXISTS announcements_family; |
1bf365d8 MT |
302 | DROP INDEX IF EXISTS announcements_search; |
303 | DROP INDEX IF EXISTS geofeed_networks_search; | |
e075b723 | 304 | DROP INDEX IF EXISTS networks_family; |
1bf365d8 MT |
305 | DROP INDEX IF EXISTS networks_search; |
306 | DROP INDEX IF EXISTS network_feeds_search; | |
307 | DROP INDEX IF EXISTS network_geofeeds_unique; | |
308 | DROP INDEX IF EXISTS network_geofeeds_search; | |
309 | DROP INDEX IF EXISTS network_overrides_search; | |
29c6fa22 MT |
310 | """) |
311 | ||
312 | return db | |
313 | ||
e61a9352 MT |
314 | def fetch_countries(self): |
315 | """ | |
316 | Returns a list of all countries on the list | |
317 | """ | |
318 | # Fetch all valid country codes to check parsed networks aganist... | |
319 | countries = self.db.query("SELECT country_code FROM countries ORDER BY country_code") | |
320 | ||
ae20698a | 321 | return set((country.country_code for country in countries)) |
e61a9352 | 322 | |
98d9079b | 323 | async def handle_write(self, ns): |
0983f3dd MT |
324 | """ |
325 | Compiles a database in libloc format out of what is in the database | |
326 | """ | |
0983f3dd | 327 | # Allocate a writer |
1164d876 | 328 | writer = location.Writer(ns.signing_key, ns.backup_signing_key) |
0983f3dd MT |
329 | |
330 | # Set all metadata | |
331 | if ns.vendor: | |
332 | writer.vendor = ns.vendor | |
333 | ||
334 | if ns.description: | |
335 | writer.description = ns.description | |
336 | ||
337 | if ns.license: | |
338 | writer.license = ns.license | |
339 | ||
d75593af MT |
340 | # Analyze everything for the query planner hopefully making better decisions |
341 | self.db.execute("ANALYZE") | |
342 | ||
0983f3dd MT |
343 | # Add all Autonomous Systems |
344 | log.info("Writing Autonomous Systems...") | |
345 | ||
346 | # Select all ASes with a name | |
6e97c44b MT |
347 | rows = self.db.query(""" |
348 | SELECT | |
349 | autnums.number AS number, | |
350 | COALESCE( | |
ef1581fb | 351 | overrides.name, |
6e97c44b MT |
352 | autnums.name |
353 | ) AS name | |
ef1581fb MT |
354 | FROM |
355 | autnums | |
356 | LEFT JOIN | |
357 | autnum_overrides overrides ON autnums.number = overrides.number | |
358 | ORDER BY | |
359 | autnums.number | |
360 | """) | |
0983f3dd MT |
361 | |
362 | for row in rows: | |
008d5468 MT |
363 | # Skip AS without names |
364 | if not row.name: | |
365 | continue | |
366 | ||
0983f3dd MT |
367 | a = writer.add_as(row.number) |
368 | a.name = row.name | |
369 | ||
370 | # Add all networks | |
371 | log.info("Writing networks...") | |
372 | ||
c0a5f8f4 MT |
373 | # Create a new temporary table where we collect |
374 | # the networks that we are interested in | |
375 | self.db.execute(""" | |
376 | CREATE TEMPORARY TABLE | |
377 | n | |
378 | ( | |
379 | network inet NOT NULL, | |
380 | autnum integer, | |
381 | country text, | |
382 | is_anonymous_proxy boolean, | |
383 | is_satellite_provider boolean, | |
384 | is_anycast boolean, | |
385 | is_drop boolean | |
386 | ) | |
387 | WITH (FILLFACTOR = 50) | |
388 | """) | |
295a7774 | 389 | |
c0a5f8f4 MT |
390 | # Add all known networks |
391 | self.db.execute(""" | |
392 | INSERT INTO | |
393 | n | |
394 | ( | |
395 | network | |
295a7774 MT |
396 | ) |
397 | ||
0983f3dd | 398 | SELECT |
c0a5f8f4 MT |
399 | network |
400 | FROM | |
401 | announcements | |
bd1aa6a1 | 402 | |
c0a5f8f4 | 403 | UNION |
8e8555bb | 404 | |
c0a5f8f4 MT |
405 | SELECT |
406 | network | |
407 | FROM | |
408 | networks | |
409 | ||
410 | UNION | |
411 | ||
412 | SELECT | |
413 | network | |
414 | FROM | |
415 | network_feeds | |
416 | ||
417 | UNION | |
418 | ||
419 | SELECT | |
420 | network | |
421 | FROM | |
422 | network_overrides | |
423 | ||
424 | UNION | |
425 | ||
426 | SELECT | |
427 | network | |
428 | FROM | |
429 | geofeed_networks | |
430 | """) | |
431 | ||
432 | # Create an index to search through networks faster | |
433 | self.db.execute(""" | |
434 | CREATE INDEX | |
435 | n_search | |
436 | ON | |
437 | n | |
438 | USING | |
439 | SPGIST(network) | |
440 | """) | |
441 | ||
442 | # Analyze n | |
443 | self.db.execute("ANALYZE n") | |
444 | ||
445 | # Apply the AS number to all networks | |
446 | self.db.execute(""" | |
447 | -- Join all networks together with their most specific announcements | |
448 | WITH announcements AS ( | |
449 | SELECT | |
450 | n.network, | |
451 | announcements.autnum, | |
452 | ||
453 | -- Sort all merges and number them so | |
454 | -- that we can later select the best one | |
455 | ROW_NUMBER() | |
456 | OVER | |
c923c1cc | 457 | ( |
c0a5f8f4 MT |
458 | PARTITION BY |
459 | n.network | |
476297aa | 460 | ORDER BY |
c0a5f8f4 MT |
461 | masklen(announcements.network) DESC |
462 | ) AS row | |
463 | FROM | |
464 | n | |
465 | JOIN | |
466 | announcements | |
467 | ON | |
468 | announcements.network >>= n.network | |
469 | ) | |
470 | ||
471 | -- Store the result | |
472 | UPDATE | |
473 | n | |
474 | SET | |
475 | autnum = announcements.autnum | |
476 | FROM | |
477 | announcements | |
478 | WHERE | |
479 | announcements.network = n.network | |
480 | AND | |
481 | announcements.row = 1 | |
482 | """, | |
483 | ) | |
484 | ||
485 | # Apply country information | |
486 | self.db.execute(""" | |
487 | WITH networks AS ( | |
488 | SELECT | |
489 | n.network, | |
490 | networks.country, | |
491 | ||
492 | ROW_NUMBER() | |
493 | OVER | |
7808c8b7 | 494 | ( |
c0a5f8f4 MT |
495 | PARTITION BY |
496 | n.network | |
476297aa | 497 | ORDER BY |
c0a5f8f4 MT |
498 | masklen(networks.network) DESC |
499 | ) AS row | |
500 | FROM | |
501 | n | |
502 | JOIN | |
503 | networks | |
504 | ON | |
505 | networks.network >>= n.network | |
506 | ) | |
507 | ||
508 | UPDATE | |
509 | n | |
510 | SET | |
511 | country = networks.country | |
512 | FROM | |
513 | networks | |
514 | WHERE | |
515 | networks.network = n.network | |
516 | AND | |
517 | networks.row = 1 | |
518 | """, | |
519 | ) | |
520 | ||
521 | # Add all country information from Geofeeds | |
522 | self.db.execute(""" | |
523 | WITH geofeeds AS ( | |
524 | SELECT | |
525 | DISTINCT ON (geofeed_networks.network) | |
526 | geofeed_networks.network, | |
527 | geofeed_networks.country | |
528 | FROM | |
529 | geofeeds | |
530 | JOIN | |
531 | network_geofeeds networks | |
532 | ON | |
533 | geofeeds.url = networks.url | |
534 | JOIN | |
535 | geofeed_networks | |
536 | ON | |
537 | geofeeds.id = geofeed_networks.geofeed_id | |
538 | AND | |
539 | networks.network >>= geofeed_networks.network | |
540 | ), | |
541 | ||
542 | networks AS ( | |
543 | SELECT | |
544 | n.network, | |
545 | geofeeds.country, | |
546 | ||
547 | ROW_NUMBER() | |
548 | OVER | |
e17e804e | 549 | ( |
c0a5f8f4 MT |
550 | PARTITION BY |
551 | n.network | |
476297aa | 552 | ORDER BY |
c0a5f8f4 MT |
553 | masklen(geofeeds.network) DESC |
554 | ) AS row | |
555 | FROM | |
556 | n | |
557 | JOIN | |
558 | geofeeds | |
559 | ON | |
560 | geofeeds.network >>= n.network | |
561 | ) | |
562 | ||
563 | UPDATE | |
564 | n | |
565 | SET | |
566 | country = networks.country | |
567 | FROM | |
568 | networks | |
569 | WHERE | |
570 | networks.network = n.network | |
571 | AND | |
572 | networks.row = 1 | |
573 | """, | |
574 | ) | |
575 | ||
576 | # Apply country and flags from feeds | |
577 | self.db.execute(""" | |
578 | WITH networks AS ( | |
579 | SELECT | |
580 | n.network, | |
581 | network_feeds.country, | |
582 | ||
583 | -- Flags | |
584 | network_feeds.is_anonymous_proxy, | |
585 | network_feeds.is_satellite_provider, | |
586 | network_feeds.is_anycast, | |
587 | network_feeds.is_drop, | |
588 | ||
589 | ROW_NUMBER() | |
590 | OVER | |
c923c1cc | 591 | ( |
c0a5f8f4 MT |
592 | PARTITION BY |
593 | n.network | |
476297aa | 594 | ORDER BY |
c0a5f8f4 MT |
595 | masklen(network_feeds.network) DESC |
596 | ) AS row | |
597 | FROM | |
598 | n | |
599 | JOIN | |
600 | network_feeds | |
601 | ON | |
602 | network_feeds.network >>= n.network | |
603 | ) | |
604 | ||
605 | UPDATE | |
606 | n | |
607 | SET | |
608 | country = | |
609 | COALESCE(networks.country, n.country), | |
610 | ||
611 | is_anonymous_proxy = | |
612 | COALESCE(networks.is_anonymous_proxy, n.is_anonymous_proxy), | |
613 | ||
614 | is_satellite_provider = | |
615 | COALESCE(networks.is_satellite_provider, n.is_satellite_provider), | |
616 | ||
617 | is_anycast = | |
618 | COALESCE(networks.is_anycast, n.is_anycast), | |
619 | ||
620 | is_drop = | |
621 | COALESCE(networks.is_drop, n.is_drop) | |
622 | FROM | |
623 | networks | |
624 | WHERE | |
625 | networks.network = n.network | |
626 | AND | |
627 | networks.row = 1 | |
628 | """, | |
629 | ) | |
630 | ||
631 | # Apply country and flags from AS feeds | |
632 | self.db.execute(""" | |
633 | WITH networks AS ( | |
634 | SELECT | |
635 | n.network, | |
636 | autnum_feeds.country, | |
637 | ||
638 | -- Flags | |
639 | autnum_feeds.is_anonymous_proxy, | |
640 | autnum_feeds.is_satellite_provider, | |
641 | autnum_feeds.is_anycast, | |
642 | autnum_feeds.is_drop | |
643 | FROM | |
644 | n | |
645 | JOIN | |
646 | autnum_feeds | |
647 | ON | |
648 | autnum_feeds.number = n.autnum | |
649 | ) | |
650 | ||
651 | UPDATE | |
652 | n | |
653 | SET | |
654 | country = | |
655 | COALESCE(networks.country, n.country), | |
656 | ||
657 | is_anonymous_proxy = | |
658 | COALESCE(networks.is_anonymous_proxy, n.is_anonymous_proxy), | |
659 | ||
660 | is_satellite_provider = | |
661 | COALESCE(networks.is_satellite_provider, n.is_satellite_provider), | |
662 | ||
663 | is_anycast = | |
664 | COALESCE(networks.is_anycast, n.is_anycast), | |
665 | ||
666 | is_drop = | |
667 | COALESCE(networks.is_drop, n.is_drop) | |
668 | FROM | |
669 | networks | |
670 | WHERE | |
671 | networks.network = n.network | |
672 | """) | |
673 | ||
674 | # Apply network overrides | |
675 | self.db.execute(""" | |
676 | WITH networks AS ( | |
677 | SELECT | |
678 | n.network, | |
679 | network_overrides.country, | |
680 | ||
681 | -- Flags | |
682 | network_overrides.is_anonymous_proxy, | |
683 | network_overrides.is_satellite_provider, | |
684 | network_overrides.is_anycast, | |
685 | network_overrides.is_drop, | |
686 | ||
687 | ROW_NUMBER() | |
688 | OVER | |
7808c8b7 | 689 | ( |
c0a5f8f4 MT |
690 | PARTITION BY |
691 | n.network | |
476297aa | 692 | ORDER BY |
c0a5f8f4 MT |
693 | masklen(network_overrides.network) DESC |
694 | ) AS row | |
695 | FROM | |
696 | n | |
697 | JOIN | |
698 | network_overrides | |
699 | ON | |
700 | network_overrides.network >>= n.network | |
701 | ) | |
702 | ||
703 | UPDATE | |
704 | n | |
705 | SET | |
706 | country = | |
707 | COALESCE(networks.country, n.country), | |
708 | ||
709 | is_anonymous_proxy = | |
710 | COALESCE(networks.is_anonymous_proxy, n.is_anonymous_proxy), | |
711 | ||
712 | is_satellite_provider = | |
713 | COALESCE(networks.is_satellite_provider, n.is_satellite_provider), | |
714 | ||
715 | is_anycast = | |
716 | COALESCE(networks.is_anycast, n.is_anycast), | |
717 | ||
718 | is_drop = | |
719 | COALESCE(networks.is_drop, n.is_drop) | |
720 | FROM | |
721 | networks | |
722 | WHERE | |
723 | networks.network = n.network | |
724 | AND | |
725 | networks.row = 1 | |
726 | """) | |
727 | ||
728 | # Apply AS overrides | |
729 | self.db.execute(""" | |
730 | WITH networks AS ( | |
731 | SELECT | |
732 | n.network, | |
733 | autnum_overrides.country, | |
734 | ||
735 | -- Flags | |
736 | autnum_overrides.is_anonymous_proxy, | |
737 | autnum_overrides.is_satellite_provider, | |
738 | autnum_overrides.is_anycast, | |
739 | autnum_overrides.is_drop | |
740 | FROM | |
741 | n | |
742 | JOIN | |
743 | autnum_overrides | |
744 | ON | |
745 | autnum_overrides.number = n.autnum | |
746 | ) | |
747 | ||
748 | UPDATE | |
749 | n | |
750 | SET | |
751 | country = | |
752 | COALESCE(networks.country, n.country), | |
753 | ||
754 | is_anonymous_proxy = | |
755 | COALESCE(networks.is_anonymous_proxy, n.is_anonymous_proxy), | |
756 | ||
757 | is_satellite_provider = | |
758 | COALESCE(networks.is_satellite_provider, n.is_satellite_provider), | |
759 | ||
760 | is_anycast = | |
761 | COALESCE(networks.is_anycast, n.is_anycast), | |
762 | ||
763 | is_drop = | |
764 | COALESCE(networks.is_drop, n.is_drop) | |
765 | FROM | |
766 | networks | |
767 | WHERE | |
768 | networks.network = n.network | |
769 | """) | |
770 | ||
771 | # Here we could remove some networks that we no longer need, but since we | |
772 | # already have implemented our deduplication/merge algorithm this would not | |
773 | # be necessary. | |
774 | ||
775 | # Export the entire temporary table | |
776 | rows = self.db.query(""" | |
777 | SELECT | |
778 | * | |
295a7774 | 779 | FROM |
c0a5f8f4 MT |
780 | n |
781 | ORDER BY | |
782 | network | |
0983f3dd MT |
783 | """) |
784 | ||
785 | for row in rows: | |
a7db4f94 | 786 | network = writer.add_network("%s" % row.network) |
0983f3dd | 787 | |
5372d9c7 MT |
788 | # Save country |
789 | if row.country: | |
790 | network.country_code = row.country | |
791 | ||
792 | # Save ASN | |
793 | if row.autnum: | |
794 | network.asn = row.autnum | |
0983f3dd MT |
795 | |
796 | # Set flags | |
797 | if row.is_anonymous_proxy: | |
798 | network.set_flag(location.NETWORK_FLAG_ANONYMOUS_PROXY) | |
799 | ||
800 | if row.is_satellite_provider: | |
801 | network.set_flag(location.NETWORK_FLAG_SATELLITE_PROVIDER) | |
802 | ||
803 | if row.is_anycast: | |
804 | network.set_flag(location.NETWORK_FLAG_ANYCAST) | |
805 | ||
e17e804e PM |
806 | if row.is_drop: |
807 | network.set_flag(location.NETWORK_FLAG_DROP) | |
808 | ||
8084b33a MT |
809 | # Add all countries |
810 | log.info("Writing countries...") | |
c0a5f8f4 MT |
811 | |
812 | # Select all countries | |
813 | rows = self.db.query(""" | |
814 | SELECT | |
815 | * | |
816 | FROM | |
817 | countries | |
818 | ORDER BY | |
819 | country_code | |
820 | """, | |
821 | ) | |
8084b33a MT |
822 | |
823 | for row in rows: | |
824 | c = writer.add_country(row.country_code) | |
825 | c.continent_code = row.continent_code | |
826 | c.name = row.name | |
827 | ||
0983f3dd MT |
828 | # Write everything to file |
829 | log.info("Writing database to file...") | |
830 | for file in ns.file: | |
831 | writer.write(file) | |
832 | ||
98d9079b | 833 | async def handle_update_whois(self, ns): |
3ce28dea | 834 | # Did we run successfully? |
8c2dbbc2 MT |
835 | success = True |
836 | ||
837 | sources = ( | |
838 | # African Network Information Centre | |
839 | ("AFRINIC", ( | |
840 | (self._import_standard_format, "https://ftp.afrinic.net/pub/pub/dbase/afrinic.db.gz"), | |
841 | )), | |
842 | ||
843 | # Asia Pacific Network Information Centre | |
844 | ("APNIC", ( | |
845 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.inet6num.gz"), | |
846 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.inetnum.gz"), | |
847 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.aut-num.gz"), | |
848 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.organisation.gz"), | |
849 | )), | |
850 | ||
851 | # American Registry for Internet Numbers | |
852 | ("ARIN", ( | |
853 | (self._import_extended_format, "https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-latest"), | |
854 | (self._import_arin_as_names, "https://ftp.arin.net/pub/resource_registry_service/asns.csv"), | |
855 | )), | |
856 | ||
857 | # Japan Network Information Center | |
858 | ("JPNIC", ( | |
859 | (self._import_standard_format, "https://ftp.nic.ad.jp/jpirr/jpirr.db.gz"), | |
860 | )), | |
861 | ||
862 | # Latin America and Caribbean Network Information Centre | |
863 | ("LACNIC", ( | |
864 | (self._import_standard_format, "https://ftp.lacnic.net/lacnic/dbase/lacnic.db.gz"), | |
865 | (self._import_extended_format, "https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-latest"), | |
866 | )), | |
867 | ||
868 | # Réseaux IP Européens | |
869 | ("RIPE", ( | |
870 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.inet6num.gz"), | |
871 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.inetnum.gz"), | |
872 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.aut-num.gz"), | |
873 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.organisation.gz"), | |
874 | )), | |
875 | ) | |
84b175e2 | 876 | |
fa9220b0 | 877 | # Fetch all valid country codes to check parsed networks against |
d4697973 MT |
878 | countries = self.fetch_countries() |
879 | ||
880 | # Check if we have countries | |
881 | if not countries: | |
882 | log.error("Please import countries before importing any WHOIS data") | |
883 | return 1 | |
6ffd06b5 | 884 | |
3ce28dea | 885 | # Iterate over all potential sources |
8c2dbbc2 | 886 | for name, feeds in sources: |
d77d05d1 | 887 | # Skip anything that should not be updated |
8c2dbbc2 | 888 | if ns.sources and not name in ns.sources: |
d77d05d1 MT |
889 | continue |
890 | ||
8c2dbbc2 | 891 | try: |
98d9079b | 892 | await self._process_source(name, feeds, countries) |
002deb6b | 893 | |
8c2dbbc2 MT |
894 | # Log an error but continue if an exception occurs |
895 | except Exception as e: | |
896 | log.error("Error processing source %s" % name, exc_info=True) | |
897 | success = False | |
898 | ||
899 | # Return a non-zero exit code for errors | |
900 | return 0 if success else 1 | |
901 | ||
98d9079b | 902 | async def _process_source(self, source, feeds, countries): |
8c2dbbc2 MT |
903 | """ |
904 | This function processes one source | |
905 | """ | |
906 | # Wrap everything into one large transaction | |
907 | with self.db.transaction(): | |
908 | # Remove all previously imported content | |
b8f3075b MT |
909 | self.db.execute("DELETE FROM autnums WHERE source = %s", source) |
910 | self.db.execute("DELETE FROM networks WHERE source = %s", source) | |
911 | self.db.execute("DELETE FROM network_geofeeds WHERE source = %s", source) | |
8c2dbbc2 MT |
912 | |
913 | # Create some temporary tables to store parsed data | |
914 | self.db.execute(""" | |
915 | CREATE TEMPORARY TABLE _autnums(number integer NOT NULL, | |
916 | organization text NOT NULL, source text NOT NULL) ON COMMIT DROP; | |
917 | CREATE UNIQUE INDEX _autnums_number ON _autnums(number); | |
918 | ||
919 | CREATE TEMPORARY TABLE _organizations(handle text NOT NULL, | |
920 | name text NOT NULL, source text NOT NULL) ON COMMIT DROP; | |
921 | CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle); | |
922 | ||
923 | CREATE TEMPORARY TABLE _rirdata(network inet NOT NULL, country text, | |
924 | original_countries text[] NOT NULL, source text NOT NULL) | |
925 | ON COMMIT DROP; | |
926 | CREATE INDEX _rirdata_search ON _rirdata | |
927 | USING BTREE(family(network), masklen(network)); | |
928 | CREATE UNIQUE INDEX _rirdata_network ON _rirdata(network); | |
929 | """) | |
002deb6b | 930 | |
8c2dbbc2 MT |
931 | # Parse all feeds |
932 | for callback, url, *args in feeds: | |
933 | # Retrieve the feed | |
335946c0 | 934 | f = self.downloader.retrieve(url) |
8c2dbbc2 MT |
935 | |
936 | # Call the callback | |
c86209e2 MT |
937 | with self.db.pipeline(): |
938 | await callback(source, countries, f, *args) | |
8c2dbbc2 MT |
939 | |
940 | # Process all parsed networks from every RIR we happen to have access to, | |
941 | # insert the largest network chunks into the networks table immediately... | |
942 | families = self.db.query(""" | |
943 | SELECT DISTINCT | |
944 | family(network) AS family | |
945 | FROM | |
946 | _rirdata | |
947 | ORDER BY | |
948 | family(network) | |
949 | """, | |
950 | ) | |
951 | ||
952 | for family in (row.family for row in families): | |
953 | # Fetch the smallest mask length in our data set | |
954 | smallest = self.db.get(""" | |
955 | SELECT | |
956 | MIN( | |
957 | masklen(network) | |
958 | ) AS prefix | |
fa9220b0 MT |
959 | FROM |
960 | _rirdata | |
8c2dbbc2 MT |
961 | WHERE |
962 | family(network) = %s | |
963 | """, family, | |
fa9220b0 | 964 | ) |
3ce28dea | 965 | |
8c2dbbc2 MT |
966 | # Copy all networks |
967 | self.db.execute(""" | |
968 | INSERT INTO | |
969 | networks | |
970 | ( | |
971 | network, | |
972 | country, | |
973 | original_countries, | |
974 | source | |
5bfa1bb4 | 975 | ) |
8c2dbbc2 MT |
976 | SELECT |
977 | network, | |
978 | country, | |
979 | original_countries, | |
980 | source | |
981 | FROM | |
982 | _rirdata | |
983 | WHERE | |
984 | masklen(network) = %s | |
985 | AND | |
986 | family(network) = %s | |
987 | ON CONFLICT DO | |
988 | NOTHING""", | |
989 | smallest.prefix, | |
990 | family, | |
991 | ) | |
992 | ||
993 | # ... determine any other prefixes for this network family, ... | |
994 | prefixes = self.db.query(""" | |
995 | SELECT | |
996 | DISTINCT masklen(network) AS prefix | |
997 | FROM | |
998 | _rirdata | |
999 | WHERE | |
1000 | family(network) = %s | |
1001 | ORDER BY | |
1002 | masklen(network) ASC | |
1003 | OFFSET 1 | |
1004 | """, family, | |
1005 | ) | |
5bfa1bb4 | 1006 | |
8c2dbbc2 MT |
1007 | # ... and insert networks with this prefix in case they provide additional |
1008 | # information (i. e. subnet of a larger chunk with a different country) | |
1009 | for prefix in (row.prefix for row in prefixes): | |
5bfa1bb4 | 1010 | self.db.execute(""" |
8c2dbbc2 MT |
1011 | WITH candidates AS ( |
1012 | SELECT | |
1013 | _rirdata.network, | |
1014 | _rirdata.country, | |
1015 | _rirdata.original_countries, | |
1016 | _rirdata.source | |
1017 | FROM | |
1018 | _rirdata | |
1019 | WHERE | |
1020 | family(_rirdata.network) = %s | |
1021 | AND | |
1022 | masklen(_rirdata.network) = %s | |
1023 | ), | |
1024 | filtered AS ( | |
1025 | SELECT | |
1026 | DISTINCT ON (c.network) | |
1027 | c.network, | |
1028 | c.country, | |
1029 | c.original_countries, | |
1030 | c.source, | |
1031 | masklen(networks.network), | |
1032 | networks.country AS parent_country | |
1033 | FROM | |
1034 | candidates c | |
1035 | LEFT JOIN | |
1036 | networks | |
1037 | ON | |
1038 | c.network << networks.network | |
1039 | ORDER BY | |
1040 | c.network, | |
1041 | masklen(networks.network) DESC NULLS LAST | |
5bfa1bb4 | 1042 | ) |
8c2dbbc2 MT |
1043 | INSERT INTO |
1044 | networks(network, country, original_countries, source) | |
5bfa1bb4 MT |
1045 | SELECT |
1046 | network, | |
1047 | country, | |
1048 | original_countries, | |
1049 | source | |
1050 | FROM | |
8c2dbbc2 | 1051 | filtered |
5bfa1bb4 | 1052 | WHERE |
8c2dbbc2 MT |
1053 | parent_country IS NULL |
1054 | OR | |
1055 | country <> parent_country | |
1056 | ON CONFLICT DO NOTHING | |
1057 | """, family, prefix, | |
5bfa1bb4 | 1058 | ) |
3ce28dea | 1059 | |
8c2dbbc2 MT |
1060 | self.db.execute(""" |
1061 | INSERT INTO | |
1062 | autnums | |
1063 | ( | |
1064 | number, | |
1065 | name, | |
1066 | source | |
1067 | ) | |
1068 | SELECT | |
1069 | _autnums.number, | |
1070 | _organizations.name, | |
1071 | _organizations.source | |
1072 | FROM | |
1073 | _autnums | |
1074 | JOIN | |
1075 | _organizations ON _autnums.organization = _organizations.handle | |
1076 | ON CONFLICT | |
1077 | ( | |
1078 | number | |
1079 | ) | |
1080 | DO UPDATE | |
1081 | SET name = excluded.name | |
1082 | """, | |
1083 | ) | |
3ce28dea | 1084 | |
98d9079b | 1085 | async def _import_standard_format(self, source, countries, f, *args): |
8c2dbbc2 MT |
1086 | """ |
1087 | Imports a single standard format source feed | |
1088 | """ | |
1089 | # Iterate over all blocks | |
8c3529c7 | 1090 | for block in iterate_over_blocks(f): |
8c2dbbc2 MT |
1091 | self._parse_block(block, source, countries) |
1092 | ||
98d9079b | 1093 | async def _import_extended_format(self, source, countries, f, *args): |
8c2dbbc2 | 1094 | # Iterate over all lines |
8c3529c7 | 1095 | for line in iterate_over_lines(f): |
c82e2eab | 1096 | self._parse_line(line, source, countries) |
8c2dbbc2 | 1097 | |
98d9079b | 1098 | async def _import_arin_as_names(self, source, countries, f, *args): |
fa5dccf1 MT |
1099 | # Wrap the data to text |
1100 | f = io.TextIOWrapper(f) | |
1101 | ||
8c2dbbc2 | 1102 | # Walk through the file |
932a7552 | 1103 | for line in csv.DictReader(f, dialect="arin"): |
8c2dbbc2 MT |
1104 | # Fetch status |
1105 | status = line.get("Status") | |
1106 | ||
1107 | # We are only interested in anything managed by ARIN | |
1108 | if not status == "Full Registry Services": | |
1109 | continue | |
1110 | ||
1111 | # Fetch organization name | |
1112 | name = line.get("Org Name") | |
1113 | ||
1114 | # Extract ASNs | |
1115 | first_asn = line.get("Start AS Number") | |
1116 | last_asn = line.get("End AS Number") | |
1117 | ||
1118 | # Cast to a number | |
1119 | try: | |
1120 | first_asn = int(first_asn) | |
1121 | except TypeError as e: | |
1122 | log.warning("Could not parse ASN '%s'" % first_asn) | |
1123 | continue | |
1124 | ||
1125 | try: | |
1126 | last_asn = int(last_asn) | |
1127 | except TypeError as e: | |
1128 | log.warning("Could not parse ASN '%s'" % last_asn) | |
1129 | continue | |
1130 | ||
1131 | # Check if the range is valid | |
1132 | if last_asn < first_asn: | |
1133 | log.warning("Invalid ASN range %s-%s" % (first_asn, last_asn)) | |
1134 | ||
1135 | # Insert everything into the database | |
1136 | for asn in range(first_asn, last_asn + 1): | |
1137 | if not self._check_parsed_asn(asn): | |
1138 | log.warning("Skipping invalid ASN %s" % asn) | |
1139 | continue | |
0365119d | 1140 | |
3ce28dea | 1141 | self.db.execute(""" |
fa9220b0 MT |
1142 | INSERT INTO |
1143 | autnums | |
1144 | ( | |
1145 | number, | |
1146 | name, | |
1147 | source | |
1148 | ) | |
8c2dbbc2 MT |
1149 | VALUES |
1150 | ( | |
1151 | %s, %s, %s | |
1152 | ) | |
fa9220b0 MT |
1153 | ON CONFLICT |
1154 | ( | |
1155 | number | |
1156 | ) | |
8c2dbbc2 MT |
1157 | DO NOTHING |
1158 | """, asn, name, "ARIN", | |
fa9220b0 | 1159 | ) |
429a43d1 | 1160 | |
bd341642 PM |
1161 | def _check_parsed_network(self, network): |
1162 | """ | |
1163 | Assistive function to detect and subsequently sort out parsed | |
1164 | networks from RIR data (both Whois and so-called "extended sources"), | |
1165 | which are or have... | |
1166 | ||
1167 | (a) not globally routable (RFC 1918 space, et al.) | |
1168 | (b) covering a too large chunk of the IP address space (prefix length | |
1169 | is < 7 for IPv4 networks, and < 10 for IPv6) | |
1170 | (c) "0.0.0.0" or "::" as a network address | |
bd341642 PM |
1171 | |
1172 | This unfortunately is necessary due to brain-dead clutter across | |
1173 | various RIR databases, causing mismatches and eventually disruptions. | |
1174 | ||
1175 | We will return False in case a network is not suitable for adding | |
1176 | it to our database, and True otherwise. | |
1177 | """ | |
d9b0a6ea MT |
1178 | # Check input |
1179 | if isinstance(network, ipaddress.IPv6Network): | |
1180 | pass | |
1181 | elif isinstance(network, ipaddress.IPv4Network): | |
1182 | pass | |
1183 | else: | |
1184 | raise ValueError("Invalid network: %s (type %s)" % (network, type(network))) | |
bd341642 | 1185 | |
cb45f0d5 | 1186 | # Ignore anything that isn't globally routable |
bd341642 | 1187 | if not network.is_global: |
2ba6ed07 | 1188 | log.debug("Skipping non-globally routable network: %s" % network) |
bd341642 PM |
1189 | return False |
1190 | ||
cb45f0d5 MT |
1191 | # Ignore anything that is unspecified IP range (See RFC 5735 for IPv4 or RFC 2373 for IPv6) |
1192 | elif network.is_unspecified: | |
1193 | log.debug("Skipping unspecified network: %s" % network) | |
1194 | return False | |
1195 | ||
c940dcf1 MT |
1196 | # IPv6 |
1197 | if network.version == 6: | |
bd341642 | 1198 | if network.prefixlen < 10: |
2ba6ed07 | 1199 | log.debug("Skipping too big IP chunk: %s" % network) |
bd341642 PM |
1200 | return False |
1201 | ||
c940dcf1 MT |
1202 | # IPv4 |
1203 | elif network.version == 4: | |
1204 | if network.prefixlen < 7: | |
1205 | log.debug("Skipping too big IP chunk: %s" % network) | |
bd341642 PM |
1206 | return False |
1207 | ||
bd341642 PM |
1208 | # In case we have made it here, the network is considered to |
1209 | # be suitable for libloc consumption... | |
1210 | return True | |
1211 | ||
43fe570c PM |
1212 | def _check_parsed_asn(self, asn): |
1213 | """ | |
1214 | Assistive function to filter Autonomous System Numbers not being suitable | |
1215 | for adding to our database. Returns False in such cases, and True otherwise. | |
1216 | """ | |
1217 | ||
1218 | for start, end in VALID_ASN_RANGES: | |
1219 | if start <= asn and end >= asn: | |
1220 | return True | |
1221 | ||
1222 | log.info("Supplied ASN %s out of publicly routable ASN ranges" % asn) | |
1223 | return False | |
1224 | ||
c60e31ea MT |
1225 | def _check_geofeed_url(self, url): |
1226 | """ | |
1227 | This function checks if a Geofeed URL is valid. | |
1228 | ||
1229 | If so, it returns the normalized URL which should be stored instead of | |
1230 | the original one. | |
1231 | """ | |
1232 | # Parse the URL | |
1233 | try: | |
1234 | url = urllib.parse.urlparse(url) | |
1235 | except ValueError as e: | |
1236 | log.warning("Invalid URL %s: %s" % (url, e)) | |
1237 | return | |
1238 | ||
1239 | # Make sure that this is a HTTPS URL | |
1240 | if not url.scheme == "https": | |
1241 | log.warning("Skipping Geofeed URL that is not using HTTPS: %s" \ | |
1242 | % url.geturl()) | |
1243 | return | |
1244 | ||
1245 | # Normalize the URL and convert it back | |
1246 | return url.geturl() | |
1247 | ||
d4697973 | 1248 | def _parse_block(self, block, source_key, countries): |
6ffd06b5 MT |
1249 | # Get first line to find out what type of block this is |
1250 | line = block[0] | |
1251 | ||
6ffd06b5 | 1252 | # aut-num |
429a43d1 | 1253 | if line.startswith("aut-num:"): |
28b08385 | 1254 | return self._parse_autnum_block(block, source_key) |
6ffd06b5 | 1255 | |
aadac4c5 PM |
1256 | # inetnum |
1257 | if line.startswith("inet6num:") or line.startswith("inetnum:"): | |
d4697973 | 1258 | return self._parse_inetnum_block(block, source_key, countries) |
aadac4c5 | 1259 | |
6ffd06b5 MT |
1260 | # organisation |
1261 | elif line.startswith("organisation:"): | |
28b08385 | 1262 | return self._parse_org_block(block, source_key) |
6ffd06b5 | 1263 | |
28b08385 | 1264 | def _parse_autnum_block(self, block, source_key): |
6ffd06b5 MT |
1265 | autnum = {} |
1266 | for line in block: | |
1267 | # Split line | |
1268 | key, val = split_line(line) | |
1269 | ||
1270 | if key == "aut-num": | |
1271 | m = re.match(r"^(AS|as)(\d+)", val) | |
1272 | if m: | |
1273 | autnum["asn"] = m.group(2) | |
1274 | ||
0365119d | 1275 | elif key == "org": |
e7d612e5 | 1276 | autnum[key] = val.upper() |
6ffd06b5 | 1277 | |
426e0bee PM |
1278 | elif key == "descr": |
1279 | # Save the first description line as well... | |
1280 | if not key in autnum: | |
1281 | autnum[key] = val | |
1282 | ||
6ffd06b5 | 1283 | # Skip empty objects |
426e0bee | 1284 | if not autnum or not "asn" in autnum: |
6ffd06b5 MT |
1285 | return |
1286 | ||
426e0bee PM |
1287 | # Insert a dummy organisation handle into our temporary organisations |
1288 | # table in case the AS does not have an organisation handle set, but | |
1289 | # has a description (a quirk often observed in APNIC area), so we can | |
1290 | # later display at least some string for this AS. | |
1291 | if not "org" in autnum: | |
1292 | if "descr" in autnum: | |
1293 | autnum["org"] = "LIBLOC-%s-ORGHANDLE" % autnum.get("asn") | |
1294 | ||
1295 | self.db.execute("INSERT INTO _organizations(handle, name, source) \ | |
1296 | VALUES(%s, %s, %s) ON CONFLICT (handle) DO NOTHING", | |
1297 | autnum.get("org"), autnum.get("descr"), source_key, | |
1298 | ) | |
1299 | else: | |
1300 | log.warning("ASN %s neither has an organisation handle nor a description line set, omitting" % \ | |
1301 | autnum.get("asn")) | |
1302 | return | |
1303 | ||
6ffd06b5 | 1304 | # Insert into database |
28b08385 PM |
1305 | self.db.execute("INSERT INTO _autnums(number, organization, source) \ |
1306 | VALUES(%s, %s, %s) ON CONFLICT (number) DO UPDATE SET \ | |
0365119d | 1307 | organization = excluded.organization", |
28b08385 | 1308 | autnum.get("asn"), autnum.get("org"), source_key, |
6ffd06b5 MT |
1309 | ) |
1310 | ||
d4697973 | 1311 | def _parse_inetnum_block(self, block, source_key, countries): |
aadac4c5 PM |
1312 | inetnum = {} |
1313 | for line in block: | |
aadac4c5 PM |
1314 | # Split line |
1315 | key, val = split_line(line) | |
1316 | ||
84187ab5 PM |
1317 | # Filter any inetnum records which are only referring to IP space |
1318 | # not managed by that specific RIR... | |
1319 | if key == "netname": | |
5254e5fc | 1320 | 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 | 1321 | log.debug("Skipping record indicating historic/orphaned data: %s" % val.strip()) |
84187ab5 PM |
1322 | return |
1323 | ||
aadac4c5 PM |
1324 | if key == "inetnum": |
1325 | start_address, delim, end_address = val.partition("-") | |
1326 | ||
1327 | # Strip any excess space | |
1328 | start_address, end_address = start_address.rstrip(), end_address.strip() | |
1329 | ||
845da577 PM |
1330 | # Handle "inetnum" formatting in LACNIC DB (e.g. "24.152.8/22" instead of "24.152.8.0/22") |
1331 | if start_address and not (delim or end_address): | |
1332 | try: | |
1333 | start_address = ipaddress.ip_network(start_address, strict=False) | |
1334 | except ValueError: | |
1335 | start_address = start_address.split("/") | |
38d0faea | 1336 | ldigits = start_address[0].count(".") |
845da577 PM |
1337 | |
1338 | # How many octets do we need to add? | |
1339 | # (LACNIC does not seem to have a /8 or greater assigned, so the following should suffice.) | |
2ad36187 | 1340 | if ldigits == 1: |
845da577 | 1341 | start_address = start_address[0] + ".0.0/" + start_address[1] |
2ad36187 | 1342 | elif ldigits == 2: |
845da577 PM |
1343 | start_address = start_address[0] + ".0/" + start_address[1] |
1344 | else: | |
1345 | log.warning("Could not recover IPv4 address from line in LACNIC DB format: %s" % line) | |
1346 | return | |
1347 | ||
1348 | try: | |
1349 | start_address = ipaddress.ip_network(start_address, strict=False) | |
1350 | except ValueError: | |
1351 | log.warning("Could not parse line in LACNIC DB format: %s" % line) | |
1352 | return | |
1353 | ||
1354 | # Enumerate first and last IP address of this network | |
1355 | end_address = start_address[-1] | |
1356 | start_address = start_address[0] | |
1357 | ||
1358 | else: | |
1359 | # Convert to IP address | |
1360 | try: | |
1361 | start_address = ipaddress.ip_address(start_address) | |
1362 | end_address = ipaddress.ip_address(end_address) | |
1363 | except ValueError: | |
1364 | log.warning("Could not parse line: %s" % line) | |
1365 | return | |
aadac4c5 | 1366 | |
1814283b | 1367 | inetnum["inetnum"] = list(ipaddress.summarize_address_range(start_address, end_address)) |
aadac4c5 PM |
1368 | |
1369 | elif key == "inet6num": | |
1814283b | 1370 | inetnum[key] = [ipaddress.ip_network(val, strict=False)] |
aadac4c5 PM |
1371 | |
1372 | elif key == "country": | |
5487ee0d | 1373 | cc = val.upper() |
b6b2b331 | 1374 | |
30d32299 | 1375 | # Ignore certain country codes |
5487ee0d MT |
1376 | if cc in IGNORED_COUNTRIES: |
1377 | log.debug("Ignoring country code '%s'" % cc) | |
30d32299 MT |
1378 | continue |
1379 | ||
afc966db MT |
1380 | # Translate country codes |
1381 | try: | |
5487ee0d | 1382 | cc = TRANSLATED_COUNTRIES[cc] |
afc966db MT |
1383 | except KeyError: |
1384 | pass | |
01e5f0ff | 1385 | |
a9e72406 MT |
1386 | # Do we know this country? |
1387 | if not cc in countries: | |
1388 | log.warning("Skipping invalid country code '%s'" % cc) | |
1389 | continue | |
1390 | ||
5487ee0d MT |
1391 | try: |
1392 | inetnum[key].append(cc) | |
1393 | except KeyError: | |
1394 | inetnum[key] = [cc] | |
aadac4c5 | 1395 | |
183b2f74 MT |
1396 | # Parse the geofeed attribute |
1397 | elif key == "geofeed": | |
1398 | inetnum["geofeed"] = val | |
1399 | ||
1400 | # Parse geofeed when used as a remark | |
45c0536c MT |
1401 | elif key == "remarks": |
1402 | m = re.match(r"^(?:Geofeed)\s+(https://.*)", val) | |
183b2f74 MT |
1403 | if m: |
1404 | inetnum["geofeed"] = m.group(1) | |
1405 | ||
aadac4c5 | 1406 | # Skip empty objects |
39bfa052 | 1407 | if not inetnum: |
aadac4c5 PM |
1408 | return |
1409 | ||
1814283b PM |
1410 | # Iterate through all networks enumerated from above, check them for plausibility and insert |
1411 | # them into the database, if _check_parsed_network() succeeded | |
1412 | for single_network in inetnum.get("inet6num") or inetnum.get("inetnum"): | |
39bfa052 MT |
1413 | if not self._check_parsed_network(single_network): |
1414 | continue | |
1415 | ||
1416 | # Fetch the countries or use a list with an empty country | |
1417 | countries = inetnum.get("country", [None]) | |
1418 | ||
1419 | # Insert the network into the database but only use the first country code | |
1420 | for cc in countries: | |
1421 | self.db.execute(""" | |
1422 | INSERT INTO | |
1423 | _rirdata | |
1424 | ( | |
1425 | network, | |
1426 | country, | |
1427 | original_countries, | |
1428 | source | |
1429 | ) | |
1430 | VALUES | |
1431 | ( | |
1432 | %s, %s, %s, %s | |
1433 | ) | |
1434 | ON CONFLICT (network) | |
1435 | DO UPDATE SET country = excluded.country | |
1436 | """, "%s" % single_network, cc, [cc for cc in countries if cc], source_key, | |
1814283b | 1437 | ) |
aadac4c5 | 1438 | |
39bfa052 MT |
1439 | # If there are more than one country, we will only use the first one |
1440 | break | |
183b2f74 | 1441 | |
39bfa052 MT |
1442 | # Update any geofeed information |
1443 | geofeed = inetnum.get("geofeed", None) | |
1444 | if geofeed: | |
b8f3075b | 1445 | self._parse_geofeed(source_key, geofeed, single_network) |
39bfa052 | 1446 | |
b8f3075b | 1447 | def _parse_geofeed(self, source, url, single_network): |
c60e31ea MT |
1448 | # Check the URL |
1449 | url = self._check_geofeed_url(url) | |
1450 | if not url: | |
da832d44 MT |
1451 | return |
1452 | ||
da832d44 MT |
1453 | # Store/update any geofeeds |
1454 | self.db.execute(""" | |
1455 | INSERT INTO | |
b8f3075b MT |
1456 | network_geofeeds |
1457 | ( | |
1458 | network, | |
1459 | url, | |
1460 | source | |
1461 | ) | |
1462 | VALUES | |
1463 | ( | |
1464 | %s, %s, %s | |
da832d44 | 1465 | ) |
1042baa7 MT |
1466 | ON CONFLICT |
1467 | ( | |
2b96ed27 | 1468 | network, url |
1042baa7 MT |
1469 | ) |
1470 | DO UPDATE SET | |
1042baa7 MT |
1471 | source = excluded.source |
1472 | """, "%s" % single_network, url, source, | |
da832d44 MT |
1473 | ) |
1474 | ||
28b08385 | 1475 | def _parse_org_block(self, block, source_key): |
6ffd06b5 MT |
1476 | org = {} |
1477 | for line in block: | |
1478 | # Split line | |
1479 | key, val = split_line(line) | |
1480 | ||
e7d612e5 PM |
1481 | if key == "organisation": |
1482 | org[key] = val.upper() | |
1483 | elif key == "org-name": | |
6ffd06b5 MT |
1484 | org[key] = val |
1485 | ||
1486 | # Skip empty objects | |
1487 | if not org: | |
1488 | return | |
1489 | ||
28b08385 PM |
1490 | self.db.execute("INSERT INTO _organizations(handle, name, source) \ |
1491 | VALUES(%s, %s, %s) ON CONFLICT (handle) DO \ | |
0365119d | 1492 | UPDATE SET name = excluded.name", |
28b08385 | 1493 | org.get("organisation"), org.get("org-name"), source_key, |
6ffd06b5 MT |
1494 | ) |
1495 | ||
4b931f6c | 1496 | def _parse_line(self, line, source_key, validcountries=None): |
429a43d1 MT |
1497 | # Skip version line |
1498 | if line.startswith("2"): | |
1499 | return | |
6ffd06b5 | 1500 | |
429a43d1 MT |
1501 | # Skip comments |
1502 | if line.startswith("#"): | |
1503 | return | |
6ffd06b5 | 1504 | |
429a43d1 MT |
1505 | try: |
1506 | registry, country_code, type, line = line.split("|", 3) | |
1507 | except: | |
1508 | log.warning("Could not parse line: %s" % line) | |
1509 | return | |
6ffd06b5 | 1510 | |
9a9b0698 MT |
1511 | # Skip ASN |
1512 | if type == "asn": | |
1513 | return | |
1514 | ||
4b931f6c | 1515 | # Skip any unknown protocols |
9a9b0698 | 1516 | elif not type in ("ipv6", "ipv4"): |
4b931f6c MT |
1517 | log.warning("Unknown IP protocol '%s'" % type) |
1518 | return | |
1519 | ||
84b175e2 PM |
1520 | # Skip any lines that are for stats only or do not have a country |
1521 | # code at all (avoids log spam below) | |
1522 | if not country_code or country_code == '*': | |
1523 | return | |
1524 | ||
1525 | # Skip objects with unknown country codes | |
1526 | if validcountries and country_code not in validcountries: | |
1527 | log.warning("Skipping line with bogus country '%s': %s" % \ | |
1528 | (country_code, line)) | |
6ffd06b5 MT |
1529 | return |
1530 | ||
429a43d1 MT |
1531 | try: |
1532 | address, prefix, date, status, organization = line.split("|") | |
1533 | except ValueError: | |
1534 | organization = None | |
1535 | ||
1536 | # Try parsing the line without organization | |
1537 | try: | |
1538 | address, prefix, date, status = line.split("|") | |
1539 | except ValueError: | |
1540 | log.warning("Unhandled line format: %s" % line) | |
1541 | return | |
1542 | ||
1543 | # Skip anything that isn't properly assigned | |
1544 | if not status in ("assigned", "allocated"): | |
1545 | return | |
1546 | ||
1547 | # Cast prefix into an integer | |
1548 | try: | |
1549 | prefix = int(prefix) | |
1550 | except: | |
1551 | log.warning("Invalid prefix: %s" % prefix) | |
7177031f | 1552 | return |
429a43d1 MT |
1553 | |
1554 | # Fix prefix length for IPv4 | |
1555 | if type == "ipv4": | |
1556 | prefix = 32 - int(math.log(prefix, 2)) | |
1557 | ||
1558 | # Try to parse the address | |
1559 | try: | |
1560 | network = ipaddress.ip_network("%s/%s" % (address, prefix), strict=False) | |
1561 | except ValueError: | |
1562 | log.warning("Invalid IP address: %s" % address) | |
1563 | return | |
1564 | ||
bd341642 PM |
1565 | if not self._check_parsed_network(network): |
1566 | return | |
1567 | ||
4b931f6c MT |
1568 | self.db.execute(""" |
1569 | INSERT INTO | |
1570 | networks | |
1571 | ( | |
1572 | network, | |
1573 | country, | |
1574 | original_countries, | |
1575 | source | |
1576 | ) | |
1577 | VALUES | |
1578 | ( | |
1579 | %s, %s, %s, %s | |
1580 | ) | |
1581 | ON CONFLICT (network) | |
1582 | DO UPDATE SET country = excluded.country | |
60f09cda | 1583 | """, "%s" % network, country_code, [country_code], source_key, |
6ffd06b5 MT |
1584 | ) |
1585 | ||
98d9079b | 1586 | async def handle_update_announcements(self, ns): |
83d61c46 MT |
1587 | server = ns.server[0] |
1588 | ||
22d8d199 MT |
1589 | with self.db.transaction(): |
1590 | if server.startswith("/"): | |
98d9079b | 1591 | await self._handle_update_announcements_from_bird(server) |
22d8d199 MT |
1592 | |
1593 | # Purge anything we never want here | |
1594 | self.db.execute(""" | |
1595 | -- Delete default routes | |
1596 | DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0'; | |
1597 | ||
1598 | -- Delete anything that is not global unicast address space | |
1599 | DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3'; | |
1600 | ||
1601 | -- DELETE "current network" address space | |
1602 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8'; | |
1603 | ||
1604 | -- DELETE local loopback address space | |
1605 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8'; | |
1606 | ||
1607 | -- DELETE RFC 1918 address space | |
1608 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8'; | |
1609 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12'; | |
1610 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16'; | |
1611 | ||
1612 | -- DELETE test, benchmark and documentation address space | |
1613 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24'; | |
1614 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24'; | |
1615 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15'; | |
1616 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24'; | |
1617 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24'; | |
1618 | ||
1619 | -- DELETE CGNAT address space (RFC 6598) | |
1620 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10'; | |
1621 | ||
1622 | -- DELETE link local address space | |
1623 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16'; | |
1624 | ||
b4d5b2a6 | 1625 | -- DELETE IPv6 to IPv4 (6to4) address space (RFC 3068) |
22d8d199 | 1626 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24'; |
b4d5b2a6 | 1627 | DELETE FROM announcements WHERE family(network) = 6 AND network <<= '2002::/16'; |
22d8d199 MT |
1628 | |
1629 | -- DELETE multicast and reserved address space | |
1630 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4'; | |
1631 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4'; | |
1632 | ||
1633 | -- Delete networks that are too small to be in the global routing table | |
1634 | DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48; | |
1635 | DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24; | |
1636 | ||
1637 | -- Delete any non-public or reserved ASNs | |
1638 | DELETE FROM announcements WHERE NOT ( | |
1639 | (autnum >= 1 AND autnum <= 23455) | |
1640 | OR | |
1641 | (autnum >= 23457 AND autnum <= 64495) | |
1642 | OR | |
1643 | (autnum >= 131072 AND autnum <= 4199999999) | |
1644 | ); | |
1645 | ||
1646 | -- Delete everything that we have not seen for 14 days | |
1647 | DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days'; | |
1648 | """) | |
1649 | ||
98d9079b | 1650 | async def _handle_update_announcements_from_bird(self, server): |
22d8d199 | 1651 | # Pre-compile the regular expression for faster searching |
35e5f041 | 1652 | route = re.compile(b"^\s(.+?)\s+.+?\[(?:AS(.*?))?.\]$") |
22d8d199 MT |
1653 | |
1654 | log.info("Requesting routing table from Bird (%s)" % server) | |
1655 | ||
35e5f041 MT |
1656 | aggregated_networks = [] |
1657 | ||
22d8d199 MT |
1658 | # Send command to list all routes |
1659 | for line in self._bird_cmd(server, "show route"): | |
1660 | m = route.match(line) | |
1661 | if not m: | |
b767db8d MT |
1662 | # Skip empty lines |
1663 | if not line: | |
1664 | pass | |
1665 | ||
45fa97cd | 1666 | # Ignore any header lines with the name of the routing table |
b767db8d MT |
1667 | elif line.startswith(b"Table"): |
1668 | pass | |
45fa97cd MT |
1669 | |
1670 | # Log anything else | |
b767db8d MT |
1671 | else: |
1672 | log.debug("Could not parse line: %s" % line.decode()) | |
1673 | ||
22d8d199 MT |
1674 | continue |
1675 | ||
1676 | # Fetch the extracted network and ASN | |
1677 | network, autnum = m.groups() | |
1678 | ||
35e5f041 MT |
1679 | # Decode into strings |
1680 | if network: | |
1681 | network = network.decode() | |
1682 | if autnum: | |
1683 | autnum = autnum.decode() | |
1684 | ||
1685 | # Collect all aggregated networks | |
1686 | if not autnum: | |
1687 | log.debug("%s is an aggregated network" % network) | |
1688 | aggregated_networks.append(network) | |
1689 | continue | |
1690 | ||
22d8d199 MT |
1691 | # Insert it into the database |
1692 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
1693 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
1694 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
35e5f041 | 1695 | network, autnum, |
22d8d199 MT |
1696 | ) |
1697 | ||
35e5f041 MT |
1698 | # Process any aggregated networks |
1699 | for network in aggregated_networks: | |
1700 | log.debug("Processing aggregated network %s" % network) | |
1701 | ||
1702 | # Run "show route all" for each network | |
1703 | for line in self._bird_cmd(server, "show route %s all" % network): | |
1704 | # Try finding the path | |
1705 | m = re.match(b"\s+BGP\.as_path:.* (\d+) {\d+}$", line) | |
1706 | if m: | |
1707 | # Select the last AS number in the path | |
1708 | autnum = m.group(1).decode() | |
1709 | ||
1710 | # Insert it into the database | |
1711 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
1712 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
1713 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
1714 | network, autnum, | |
1715 | ) | |
1716 | ||
1717 | # We don't need to process any more | |
1718 | break | |
1719 | ||
22d8d199 MT |
1720 | def _bird_cmd(self, socket_path, command): |
1721 | # Connect to the socket | |
1722 | s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) | |
1723 | s.connect(socket_path) | |
cedee656 | 1724 | |
22d8d199 MT |
1725 | # Allocate some buffer |
1726 | buffer = b"" | |
83d61c46 | 1727 | |
bbcefb38 MT |
1728 | log.debug("Sending Bird command: %s" % command) |
1729 | ||
22d8d199 MT |
1730 | # Send the command |
1731 | s.send(b"%s\n" % command.encode()) | |
209c04b6 | 1732 | |
22d8d199 MT |
1733 | while True: |
1734 | # Fill up the buffer | |
1735 | buffer += s.recv(4096) | |
209c04b6 | 1736 | |
22d8d199 MT |
1737 | while True: |
1738 | # Search for the next newline | |
1739 | pos = buffer.find(b"\n") | |
209c04b6 | 1740 | |
22d8d199 MT |
1741 | # If we cannot find one, we go back and read more data |
1742 | if pos <= 0: | |
1743 | break | |
209c04b6 | 1744 | |
22d8d199 MT |
1745 | # Cut after the newline character |
1746 | pos += 1 | |
b89cee80 | 1747 | |
22d8d199 MT |
1748 | # Split the line we want and keep the rest in buffer |
1749 | line, buffer = buffer[:pos], buffer[pos:] | |
83d61c46 | 1750 | |
bbcefb38 MT |
1751 | # Try parsing any status lines |
1752 | if len(line) > 4 and line[:4].isdigit() and line[4] in (32, 45): | |
1753 | code, delim, line = int(line[:4]), line[4], line[5:] | |
1754 | ||
1755 | log.debug("Received response code %s from bird" % code) | |
1756 | ||
1757 | # End of output | |
1758 | if code == 0: | |
1759 | return | |
1760 | ||
1761 | # Ignore hello line | |
1762 | elif code == 1: | |
1763 | continue | |
83d61c46 | 1764 | |
22d8d199 MT |
1765 | # Otherwise return the line |
1766 | yield line | |
83d61c46 | 1767 | |
98d9079b | 1768 | async def handle_update_geofeeds(self, ns): |
ef8d1f67 MT |
1769 | # Sync geofeeds |
1770 | with self.db.transaction(): | |
1771 | # Delete all geofeeds which are no longer linked | |
1772 | self.db.execute(""" | |
1773 | DELETE FROM | |
1774 | geofeeds | |
1775 | WHERE | |
3efe0297 | 1776 | geofeeds.url NOT IN ( |
ef8d1f67 | 1777 | SELECT |
3efe0297 | 1778 | network_geofeeds.url |
ef8d1f67 MT |
1779 | FROM |
1780 | network_geofeeds | |
3efe0297 MT |
1781 | ) |
1782 | """, | |
ef8d1f67 MT |
1783 | ) |
1784 | ||
1785 | # Copy all geofeeds | |
1786 | self.db.execute(""" | |
3efe0297 MT |
1787 | WITH all_geofeeds AS ( |
1788 | SELECT | |
1789 | network_geofeeds.url | |
1790 | FROM | |
1791 | network_geofeeds | |
3efe0297 | 1792 | ) |
ef8d1f67 | 1793 | INSERT INTO |
3efe0297 MT |
1794 | geofeeds |
1795 | ( | |
1796 | url | |
1797 | ) | |
ef8d1f67 MT |
1798 | SELECT |
1799 | url | |
1800 | FROM | |
3efe0297 | 1801 | all_geofeeds |
ef8d1f67 MT |
1802 | ON CONFLICT (url) |
1803 | DO NOTHING | |
1804 | """, | |
1805 | ) | |
1806 | ||
0fcdd689 MT |
1807 | # Fetch all Geofeeds that require an update |
1808 | geofeeds = self.db.query(""" | |
1809 | SELECT | |
1810 | id, | |
1811 | url | |
1812 | FROM | |
1813 | geofeeds | |
1814 | WHERE | |
1815 | updated_at IS NULL | |
1816 | OR | |
1817 | updated_at <= CURRENT_TIMESTAMP - INTERVAL '1 week' | |
1818 | ORDER BY | |
1819 | id | |
1820 | """) | |
1821 | ||
98d9079b MT |
1822 | ratelimiter = asyncio.Semaphore(32) |
1823 | ||
430c51c2 | 1824 | # Update all geofeeds |
98d9079b MT |
1825 | async with asyncio.TaskGroup() as tasks: |
1826 | for geofeed in geofeeds: | |
1827 | task = tasks.create_task( | |
1828 | self._fetch_geofeed(ratelimiter, geofeed), | |
1829 | ) | |
0fcdd689 | 1830 | |
a4e50c7a MT |
1831 | # Delete data from any feeds that did not update in the last two weeks |
1832 | with self.db.transaction(): | |
1833 | self.db.execute(""" | |
1834 | DELETE FROM | |
1835 | geofeed_networks | |
1836 | WHERE | |
1837 | geofeed_networks.geofeed_id IN ( | |
1838 | SELECT | |
1839 | geofeeds.id | |
1840 | FROM | |
1841 | geofeeds | |
1842 | WHERE | |
1843 | updated_at IS NULL | |
1844 | OR | |
1845 | updated_at <= CURRENT_TIMESTAMP - INTERVAL '2 weeks' | |
1846 | ) | |
1847 | """) | |
1848 | ||
98d9079b MT |
1849 | async def _fetch_geofeed(self, ratelimiter, geofeed): |
1850 | async with ratelimiter: | |
1851 | log.debug("Fetching Geofeed %s" % geofeed.url) | |
0fcdd689 | 1852 | |
98d9079b MT |
1853 | with self.db.transaction(): |
1854 | # Open the URL | |
1855 | try: | |
1856 | # Send the request | |
1857 | f = await asyncio.to_thread( | |
776226b6 MT |
1858 | self.downloader.retrieve, |
1859 | ||
1860 | # Fetch the feed by its URL | |
1861 | geofeed.url, | |
1862 | ||
1863 | # Send some extra headers | |
98d9079b MT |
1864 | headers={ |
1865 | "User-Agent" : "location/%s" % location.__version__, | |
1866 | ||
1867 | # We expect some plain text file in CSV format | |
1868 | "Accept" : "text/csv, text/plain", | |
1869 | }, | |
1870 | ||
1871 | # Don't wait longer than 10 seconds for a response | |
776226b6 | 1872 | timeout=10, |
98d9079b | 1873 | ) |
0fcdd689 | 1874 | |
98d9079b MT |
1875 | # Remove any previous data |
1876 | self.db.execute("DELETE FROM geofeed_networks \ | |
1877 | WHERE geofeed_id = %s", geofeed.id) | |
0fcdd689 | 1878 | |
98d9079b | 1879 | lineno = 0 |
0fcdd689 | 1880 | |
98d9079b | 1881 | # Read the output line by line |
c86209e2 MT |
1882 | with self.db.pipeline(): |
1883 | for line in f: | |
1884 | lineno += 1 | |
0fcdd689 | 1885 | |
c86209e2 MT |
1886 | try: |
1887 | line = line.decode() | |
5e632485 | 1888 | |
c86209e2 MT |
1889 | # Ignore any lines we cannot decode |
1890 | except UnicodeDecodeError: | |
1891 | log.debug("Could not decode line %s in %s" \ | |
1892 | % (lineno, geofeed.url)) | |
1893 | continue | |
56f147ce | 1894 | |
c86209e2 MT |
1895 | # Strip any newline |
1896 | line = line.rstrip() | |
0fcdd689 | 1897 | |
c86209e2 MT |
1898 | # Skip empty lines |
1899 | if not line: | |
1900 | continue | |
0fcdd689 | 1901 | |
c86209e2 MT |
1902 | # Skip comments |
1903 | elif line.startswith("#"): | |
1904 | continue | |
990b3ad4 | 1905 | |
c86209e2 MT |
1906 | # Try to parse the line |
1907 | try: | |
1908 | fields = line.split(",", 5) | |
1909 | except ValueError: | |
1910 | log.debug("Could not parse line: %s" % line) | |
1911 | continue | |
0fcdd689 | 1912 | |
c86209e2 MT |
1913 | # Check if we have enough fields |
1914 | if len(fields) < 4: | |
1915 | log.debug("Not enough fields in line: %s" % line) | |
1916 | continue | |
0fcdd689 | 1917 | |
c86209e2 MT |
1918 | # Fetch all fields |
1919 | network, country, region, city, = fields[:4] | |
0fcdd689 | 1920 | |
c86209e2 MT |
1921 | # Try to parse the network |
1922 | try: | |
1923 | network = ipaddress.ip_network(network, strict=False) | |
1924 | except ValueError: | |
1925 | log.debug("Could not parse network: %s" % network) | |
1926 | continue | |
1927 | ||
1928 | # Strip any excess whitespace from country codes | |
1929 | country = country.strip() | |
1930 | ||
1931 | # Make the country code uppercase | |
1932 | country = country.upper() | |
1933 | ||
1934 | # Check the country code | |
1935 | if not country: | |
1936 | log.debug("Empty country code in Geofeed %s line %s" \ | |
1937 | % (geofeed.url, lineno)) | |
1938 | continue | |
1939 | ||
1940 | elif not location.country_code_is_valid(country): | |
1941 | log.debug("Invalid country code in Geofeed %s:%s: %s" \ | |
1942 | % (geofeed.url, lineno, country)) | |
1943 | continue | |
1944 | ||
1945 | # Write this into the database | |
1946 | self.db.execute(""" | |
1947 | INSERT INTO | |
1948 | geofeed_networks ( | |
1949 | geofeed_id, | |
1950 | network, | |
1951 | country, | |
1952 | region, | |
1953 | city | |
1954 | ) | |
1955 | VALUES (%s, %s, %s, %s, %s)""", | |
1956 | geofeed.id, | |
1957 | "%s" % network, | |
1958 | country, | |
1959 | region, | |
1960 | city, | |
1961 | ) | |
0fcdd689 | 1962 | |
98d9079b MT |
1963 | # Catch any HTTP errors |
1964 | except urllib.request.HTTPError as e: | |
1965 | self.db.execute("UPDATE geofeeds SET status = %s, error = %s \ | |
1966 | WHERE id = %s", e.code, "%s" % e, geofeed.id) | |
4ed16a14 | 1967 | |
98d9079b MT |
1968 | # Remove any previous data when the feed has been deleted |
1969 | if e.code == 404: | |
1970 | self.db.execute("DELETE FROM geofeed_networks \ | |
1971 | WHERE geofeed_id = %s", geofeed.id) | |
72908243 | 1972 | |
98d9079b MT |
1973 | # Catch any other errors and connection timeouts |
1974 | except (http.client.InvalidURL, urllib.request.URLError, TimeoutError) as e: | |
1975 | log.debug("Could not fetch URL %s: %s" % (geofeed.url, e)) | |
5e632485 | 1976 | |
98d9079b MT |
1977 | self.db.execute("UPDATE geofeeds SET status = %s, error = %s \ |
1978 | WHERE id = %s", 599, "%s" % e, geofeed.id) | |
0fcdd689 | 1979 | |
98d9079b MT |
1980 | # Mark the geofeed as updated |
1981 | else: | |
81b28603 | 1982 | self.db.execute(""" |
98d9079b MT |
1983 | UPDATE |
1984 | geofeeds | |
1985 | SET | |
1986 | updated_at = CURRENT_TIMESTAMP, | |
1987 | status = NULL, | |
1988 | error = NULL | |
1989 | WHERE | |
1990 | id = %s""", | |
81b28603 | 1991 | geofeed.id, |
81b28603 | 1992 | ) |
0fcdd689 | 1993 | |
98d9079b | 1994 | async def handle_update_overrides(self, ns): |
d7fc3057 | 1995 | with self.db.transaction(): |
667ad134 MT |
1996 | # Drop any previous content |
1997 | self.db.execute("TRUNCATE TABLE autnum_overrides") | |
1998 | self.db.execute("TRUNCATE TABLE network_overrides") | |
d7fc3057 | 1999 | |
f5a4557d MT |
2000 | # Remove all Geofeeds |
2001 | self.db.execute("DELETE FROM network_geofeeds WHERE source = %s", "overrides") | |
2002 | ||
d7fc3057 MT |
2003 | for file in ns.files: |
2004 | log.info("Reading %s..." % file) | |
2005 | ||
2006 | with open(file, "rb") as f: | |
8c3529c7 | 2007 | for type, block in read_blocks(f): |
d7fc3057 MT |
2008 | if type == "net": |
2009 | network = block.get("net") | |
2010 | # Try to parse and normalise the network | |
2011 | try: | |
2012 | network = ipaddress.ip_network(network, strict=False) | |
2013 | except ValueError as e: | |
2014 | log.warning("Invalid IP network: %s: %s" % (network, e)) | |
2015 | continue | |
2016 | ||
94dfab8c MT |
2017 | # Prevent that we overwrite all networks |
2018 | if network.prefixlen == 0: | |
2019 | log.warning("Skipping %s: You cannot overwrite default" % network) | |
2020 | continue | |
2021 | ||
d7fc3057 | 2022 | self.db.execute(""" |
667ad134 MT |
2023 | INSERT INTO |
2024 | network_overrides | |
2025 | ( | |
d7fc3057 MT |
2026 | network, |
2027 | country, | |
2028 | is_anonymous_proxy, | |
2029 | is_satellite_provider, | |
e17e804e PM |
2030 | is_anycast, |
2031 | is_drop | |
667ad134 MT |
2032 | ) |
2033 | VALUES | |
2034 | ( | |
2035 | %s, %s, %s, %s, %s, %s | |
2036 | ) | |
2037 | ON CONFLICT (network) DO NOTHING | |
2038 | """, | |
d7fc3057 MT |
2039 | "%s" % network, |
2040 | block.get("country"), | |
28d29b7c MT |
2041 | self._parse_bool(block, "is-anonymous-proxy"), |
2042 | self._parse_bool(block, "is-satellite-provider"), | |
2043 | self._parse_bool(block, "is-anycast"), | |
e17e804e | 2044 | self._parse_bool(block, "drop"), |
d7fc3057 MT |
2045 | ) |
2046 | ||
f476cdfd MT |
2047 | elif type == "aut-num": |
2048 | autnum = block.get("aut-num") | |
d7fc3057 MT |
2049 | |
2050 | # Check if AS number begins with "AS" | |
2051 | if not autnum.startswith("AS"): | |
2052 | log.warning("Invalid AS number: %s" % autnum) | |
2053 | continue | |
2054 | ||
2055 | # Strip "AS" | |
2056 | autnum = autnum[2:] | |
2057 | ||
2058 | self.db.execute(""" | |
667ad134 MT |
2059 | INSERT INTO |
2060 | autnum_overrides | |
2061 | ( | |
d7fc3057 MT |
2062 | number, |
2063 | name, | |
bd1aa6a1 | 2064 | country, |
d7fc3057 MT |
2065 | is_anonymous_proxy, |
2066 | is_satellite_provider, | |
e17e804e PM |
2067 | is_anycast, |
2068 | is_drop | |
667ad134 MT |
2069 | ) |
2070 | VALUES | |
2071 | ( | |
2072 | %s, %s, %s, %s, %s, %s, %s | |
2073 | ) | |
2074 | ON CONFLICT (number) DO NOTHING | |
2075 | """, | |
bd1aa6a1 MT |
2076 | autnum, |
2077 | block.get("name"), | |
2078 | block.get("country"), | |
28d29b7c MT |
2079 | self._parse_bool(block, "is-anonymous-proxy"), |
2080 | self._parse_bool(block, "is-satellite-provider"), | |
2081 | self._parse_bool(block, "is-anycast"), | |
e17e804e | 2082 | self._parse_bool(block, "drop"), |
d7fc3057 MT |
2083 | ) |
2084 | ||
3efe0297 MT |
2085 | # Geofeeds |
2086 | elif type == "geofeed": | |
f5a4557d MT |
2087 | networks = [] |
2088 | ||
2089 | # Fetch the URL | |
3efe0297 MT |
2090 | url = block.get("geofeed") |
2091 | ||
f5a4557d MT |
2092 | # Fetch permitted networks |
2093 | for n in block.get("network", []): | |
2094 | try: | |
2095 | n = ipaddress.ip_network(n) | |
2096 | except ValueError as e: | |
2097 | log.warning("Ignoring invalid network %s: %s" % (n, e)) | |
2098 | continue | |
2099 | ||
2100 | networks.append(n) | |
2101 | ||
970d9ada | 2102 | # If no networks have been specified, permit for everything |
f5a4557d | 2103 | if not networks: |
970d9ada MT |
2104 | networks = [ |
2105 | ipaddress.ip_network("::/0"), | |
2106 | ipaddress.ip_network("0.0.0.0/0"), | |
2107 | ] | |
f5a4557d | 2108 | |
c60e31ea MT |
2109 | # Check the URL |
2110 | url = self._check_geofeed_url(url) | |
2111 | if not url: | |
2aeec4ce MT |
2112 | continue |
2113 | ||
f5a4557d | 2114 | # Store the Geofeed URL |
3efe0297 MT |
2115 | self.db.execute(""" |
2116 | INSERT INTO | |
f5a4557d | 2117 | geofeeds |
3efe0297 MT |
2118 | ( |
2119 | url | |
2120 | ) | |
2121 | VALUES | |
2122 | ( | |
2123 | %s | |
2124 | ) | |
2125 | ON CONFLICT (url) DO NOTHING | |
2126 | """, url, | |
2127 | ) | |
2128 | ||
f5a4557d MT |
2129 | # Store all permitted networks |
2130 | self.db.executemany(""" | |
2131 | INSERT INTO | |
2132 | network_geofeeds | |
2133 | ( | |
2134 | network, | |
2135 | url, | |
2136 | source | |
2137 | ) | |
2138 | VALUES | |
2139 | ( | |
2140 | %s, %s, %s | |
2141 | ) | |
1042baa7 MT |
2142 | ON CONFLICT |
2143 | ( | |
2b96ed27 | 2144 | network, url |
1042baa7 MT |
2145 | ) |
2146 | DO UPDATE SET | |
1042baa7 | 2147 | source = excluded.source |
f5a4557d MT |
2148 | """, (("%s" % n, url, "overrides") for n in networks), |
2149 | ) | |
2150 | ||
d7fc3057 | 2151 | else: |
03d24a9b | 2152 | log.warning("Unsupported type: %s" % type) |
d7fc3057 | 2153 | |
98d9079b | 2154 | async def handle_update_feeds(self, ns): |
93aad7f7 MT |
2155 | """ |
2156 | Update any third-party feeds | |
2157 | """ | |
a775372b MT |
2158 | success = True |
2159 | ||
a775372b MT |
2160 | feeds = ( |
2161 | # AWS IP Ranges | |
2162 | ("AWS-IP-RANGES", self._import_aws_ip_ranges, "https://ip-ranges.amazonaws.com/ip-ranges.json"), | |
377cead4 MT |
2163 | |
2164 | # Spamhaus DROP | |
2165 | ("SPAMHAUS-DROP", self._import_spamhaus_drop, "https://www.spamhaus.org/drop/drop.txt"), | |
377cead4 | 2166 | ("SPAMHAUS-DROPV6", self._import_spamhaus_drop, "https://www.spamhaus.org/drop/dropv6.txt"), |
5dcda5c8 MT |
2167 | |
2168 | # Spamhaus ASNDROP | |
2169 | ("SPAMHAUS-ASNDROP", self._import_spamhaus_asndrop, "https://www.spamhaus.org/drop/asndrop.json"), | |
a775372b | 2170 | ) |
659c2810 MT |
2171 | |
2172 | # Drop any data from feeds that we don't support (any more) | |
2173 | with self.db.transaction(): | |
2174 | # Fetch the names of all feeds we support | |
2175 | sources = [name for name, *rest in feeds] | |
2176 | ||
2177 | self.db.execute("DELETE FROM autnum_feeds WHERE NOT source = ANY(%s)", sources) | |
2178 | self.db.execute("DELETE FROM network_feeds WHERE NOT source = ANY(%s)", sources) | |
a775372b MT |
2179 | |
2180 | # Walk through all feeds | |
2181 | for name, callback, url, *args in feeds: | |
f7f8e714 MT |
2182 | # Skip any feeds that were not requested on the command line |
2183 | if ns.feeds and not name in ns.feeds: | |
2184 | continue | |
2185 | ||
a775372b | 2186 | try: |
98d9079b | 2187 | await self._process_feed(name, callback, url, *args) |
a775372b MT |
2188 | |
2189 | # Log an error but continue if an exception occurs | |
2190 | except Exception as e: | |
2191 | log.error("Error processing feed '%s': %s" % (name, e)) | |
2192 | success = False | |
93aad7f7 | 2193 | |
a775372b MT |
2194 | # Return status |
2195 | return 0 if success else 1 | |
dcef2ba4 | 2196 | |
98d9079b | 2197 | async def _process_feed(self, name, callback, url, *args): |
a775372b MT |
2198 | """ |
2199 | Processes one feed | |
2200 | """ | |
2201 | # Open the URL | |
335946c0 | 2202 | f = self.downloader.retrieve(url) |
85e44d9a | 2203 | |
a775372b MT |
2204 | with self.db.transaction(): |
2205 | # Drop any previous content | |
2206 | self.db.execute("DELETE FROM autnum_feeds WHERE source = %s", name) | |
2207 | self.db.execute("DELETE FROM network_feeds WHERE source = %s", name) | |
dcef2ba4 | 2208 | |
a775372b | 2209 | # Call the callback to process the feed |
c86209e2 MT |
2210 | with self.db.pipeline(): |
2211 | return await callback(name, f, *args) | |
a775372b | 2212 | |
98d9079b | 2213 | async def _import_aws_ip_ranges(self, name, f): |
a775372b | 2214 | # Parse the feed |
c30e421e | 2215 | feed = json.load(f) |
68fdeb3b | 2216 | |
99e4a4eb | 2217 | # Set up a dictionary for mapping a region name to a country. Unfortunately, |
dcef2ba4 PM |
2218 | # there seems to be no machine-readable version available of this other than |
2219 | # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html | |
2220 | # (worse, it seems to be incomplete :-/ ); https://www.cloudping.cloud/endpoints | |
2221 | # was helpful here as well. | |
2222 | aws_region_country_map = { | |
99e4a4eb MT |
2223 | # Africa |
2224 | "af-south-1" : "ZA", | |
2225 | ||
2226 | # Asia | |
2227 | "il-central-1" : "IL", # Tel Aviv | |
2228 | ||
2229 | # Asia/Pacific | |
2230 | "ap-northeast-1" : "JP", | |
2231 | "ap-northeast-2" : "KR", | |
2232 | "ap-northeast-3" : "JP", | |
2233 | "ap-east-1" : "HK", | |
2234 | "ap-south-1" : "IN", | |
2235 | "ap-south-2" : "IN", | |
2236 | "ap-southeast-1" : "SG", | |
2237 | "ap-southeast-2" : "AU", | |
2238 | "ap-southeast-3" : "MY", | |
2239 | "ap-southeast-4" : "AU", | |
2240 | "ap-southeast-5" : "NZ", # Auckland, NZ | |
2241 | "ap-southeast-6" : "AP", # XXX: Precise location not documented anywhere | |
2242 | ||
2243 | # Canada | |
2244 | "ca-central-1" : "CA", | |
2245 | "ca-west-1" : "CA", | |
2246 | ||
2247 | # Europe | |
2248 | "eu-central-1" : "DE", | |
2249 | "eu-central-2" : "CH", | |
2250 | "eu-north-1" : "SE", | |
2251 | "eu-west-1" : "IE", | |
2252 | "eu-west-2" : "GB", | |
2253 | "eu-west-3" : "FR", | |
2254 | "eu-south-1" : "IT", | |
2255 | "eu-south-2" : "ES", | |
2256 | ||
2257 | # Middle East | |
2258 | "me-central-1" : "AE", | |
2259 | "me-south-1" : "BH", | |
2260 | ||
2261 | # South America | |
2262 | "sa-east-1" : "BR", | |
2263 | ||
2264 | # Undocumented, likely located in Berlin rather than Frankfurt | |
2265 | "eusc-de-east-1" : "DE", | |
2266 | } | |
dcef2ba4 | 2267 | |
c30e421e MT |
2268 | # Collect a list of all networks |
2269 | prefixes = feed.get("ipv6_prefixes", []) + feed.get("prefixes", []) | |
dcef2ba4 | 2270 | |
c30e421e MT |
2271 | for prefix in prefixes: |
2272 | # Fetch network | |
2273 | network = prefix.get("ipv6_prefix") or prefix.get("ip_prefix") | |
2274 | ||
2275 | # Parse the network | |
a775372b | 2276 | try: |
c30e421e MT |
2277 | network = ipaddress.ip_network(network) |
2278 | except ValuleError as e: | |
2279 | log.warning("%s: Unable to parse prefix %s" % (name, network)) | |
a775372b | 2280 | continue |
dcef2ba4 | 2281 | |
a775372b MT |
2282 | # Sanitize parsed networks... |
2283 | if not self._check_parsed_network(network): | |
2284 | continue | |
dcef2ba4 | 2285 | |
c30e421e MT |
2286 | # Fetch the region |
2287 | region = prefix.get("region") | |
2288 | ||
2289 | # Set some defaults | |
a775372b MT |
2290 | cc = None |
2291 | is_anycast = False | |
2292 | ||
c30e421e MT |
2293 | # Fetch the CC from the dictionary |
2294 | try: | |
a775372b | 2295 | cc = aws_region_country_map[region] |
dcef2ba4 | 2296 | |
c30e421e MT |
2297 | # If we couldn't find anything, let's try something else... |
2298 | except KeyError as e: | |
2299 | # Find anycast networks | |
2300 | if region == "GLOBAL": | |
2301 | is_anycast = True | |
2302 | ||
2303 | # Everything that starts with us- is probably in the United States | |
2304 | elif region.startswith("us-"): | |
2305 | cc = "US" | |
2306 | ||
2307 | # Everything that starts with cn- is probably China | |
2308 | elif region.startswith("cn-"): | |
2309 | cc = "CN" | |
2310 | ||
2311 | # Log a warning for anything else | |
2312 | else: | |
2313 | log.warning("%s: Could not determine country code for AWS region %s" \ | |
2314 | % (name, region)) | |
2315 | continue | |
dcef2ba4 | 2316 | |
c30e421e | 2317 | # Write to database |
a775372b MT |
2318 | self.db.execute(""" |
2319 | INSERT INTO | |
2320 | network_feeds | |
2321 | ( | |
2322 | network, | |
2323 | source, | |
2324 | country, | |
2325 | is_anycast | |
dcef2ba4 | 2326 | ) |
a775372b MT |
2327 | VALUES |
2328 | ( | |
2329 | %s, %s, %s, %s | |
2330 | ) | |
2331 | ON CONFLICT (network, source) DO NOTHING | |
c30e421e | 2332 | """, "%s" % network, name, cc, is_anycast, |
a775372b | 2333 | ) |
dcef2ba4 | 2334 | |
98d9079b | 2335 | async def _import_spamhaus_drop(self, name, f): |
377cead4 MT |
2336 | """ |
2337 | Import Spamhaus DROP IP feeds | |
2338 | """ | |
2339 | # Count all lines | |
2340 | lines = 0 | |
69b3d894 | 2341 | |
377cead4 MT |
2342 | # Walk through all lines |
2343 | for line in f: | |
2344 | # Decode line | |
2345 | line = line.decode("utf-8") | |
69b3d894 | 2346 | |
377cead4 MT |
2347 | # Strip off any comments |
2348 | line, _, comment = line.partition(";") | |
69b3d894 | 2349 | |
377cead4 MT |
2350 | # Ignore empty lines |
2351 | if not line: | |
2352 | continue | |
85e44d9a | 2353 | |
377cead4 MT |
2354 | # Strip any excess whitespace |
2355 | line = line.strip() | |
69b3d894 | 2356 | |
377cead4 MT |
2357 | # Increment line counter |
2358 | lines += 1 | |
5acac2a4 | 2359 | |
377cead4 MT |
2360 | # Parse the network |
2361 | try: | |
2362 | network = ipaddress.ip_network(line) | |
2363 | except ValueError as e: | |
2364 | log.warning("%s: Could not parse network: %s - %s" % (name, line, e)) | |
2365 | continue | |
69b3d894 | 2366 | |
377cead4 MT |
2367 | # Check network |
2368 | if not self._check_parsed_network(network): | |
2369 | log.warning("%s: Skipping bogus network: %s" % (name, network)) | |
2370 | continue | |
69b3d894 | 2371 | |
377cead4 MT |
2372 | # Insert into the database |
2373 | self.db.execute(""" | |
2374 | INSERT INTO | |
2375 | network_feeds | |
2376 | ( | |
2377 | network, | |
2378 | source, | |
2379 | is_drop | |
2380 | ) | |
2381 | VALUES | |
2382 | ( | |
2383 | %s, %s, %s | |
2384 | )""", "%s" % network, name, True, | |
2385 | ) | |
69b3d894 | 2386 | |
377cead4 MT |
2387 | # Raise an exception if we could not import anything |
2388 | if not lines: | |
2389 | raise RuntimeError("Received bogus feed %s with no data" % name) | |
69b3d894 | 2390 | |
98d9079b | 2391 | async def _import_spamhaus_asndrop(self, name, f): |
5dcda5c8 MT |
2392 | """ |
2393 | Import Spamhaus ASNDROP feed | |
2394 | """ | |
2395 | for line in f: | |
2396 | # Decode the line | |
2397 | line = line.decode("utf-8") | |
5acac2a4 | 2398 | |
5dcda5c8 MT |
2399 | # Parse JSON |
2400 | try: | |
2401 | line = json.loads(line) | |
2402 | except json.JSONDecodeError as e: | |
2403 | log.warning("%s: Unable to parse JSON object %s: %s" % (name, line, e)) | |
2404 | continue | |
69b3d894 | 2405 | |
5dcda5c8 MT |
2406 | # Fetch type |
2407 | type = line.get("type") | |
69b3d894 | 2408 | |
5dcda5c8 MT |
2409 | # Skip any metadata |
2410 | if type == "metadata": | |
2411 | continue | |
69b3d894 | 2412 | |
5dcda5c8 MT |
2413 | # Fetch ASN |
2414 | asn = line.get("asn") | |
69b3d894 | 2415 | |
5dcda5c8 MT |
2416 | # Skip any lines without an ASN |
2417 | if not asn: | |
2418 | continue | |
69b3d894 | 2419 | |
5dcda5c8 MT |
2420 | # Filter invalid ASNs |
2421 | if not self._check_parsed_asn(asn): | |
2422 | log.warning("%s: Skipping bogus ASN %s" % (name, asn)) | |
2423 | continue | |
69b3d894 | 2424 | |
5dcda5c8 MT |
2425 | # Write to database |
2426 | self.db.execute(""" | |
2427 | INSERT INTO | |
2428 | autnum_feeds | |
2429 | ( | |
2430 | number, | |
2431 | source, | |
2432 | is_drop | |
2433 | ) | |
2434 | VALUES | |
2435 | ( | |
2436 | %s, %s, %s | |
2437 | )""", "%s" % asn, name, True, | |
2438 | ) | |
69b3d894 | 2439 | |
28d29b7c MT |
2440 | @staticmethod |
2441 | def _parse_bool(block, key): | |
2442 | val = block.get(key) | |
2443 | ||
2444 | # There is no point to proceed when we got None | |
2445 | if val is None: | |
2446 | return | |
2447 | ||
2448 | # Convert to lowercase | |
2449 | val = val.lower() | |
2450 | ||
2451 | # True | |
2452 | if val in ("yes", "1"): | |
2453 | return True | |
2454 | ||
2455 | # False | |
2456 | if val in ("no", "0"): | |
2457 | return False | |
2458 | ||
2459 | # Default to None | |
2460 | return None | |
2461 | ||
98d9079b | 2462 | async def handle_import_countries(self, ns): |
8084b33a MT |
2463 | with self.db.transaction(): |
2464 | # Drop all data that we have | |
2465 | self.db.execute("TRUNCATE TABLE countries") | |
2466 | ||
2467 | for file in ns.file: | |
2468 | for line in file: | |
2469 | line = line.rstrip() | |
2470 | ||
2471 | # Ignore any comments | |
2472 | if line.startswith("#"): | |
2473 | continue | |
2474 | ||
2475 | try: | |
2476 | country_code, continent_code, name = line.split(maxsplit=2) | |
2477 | except: | |
2478 | log.warning("Could not parse line: %s" % line) | |
2479 | continue | |
2480 | ||
2481 | self.db.execute("INSERT INTO countries(country_code, name, continent_code) \ | |
2482 | VALUES(%s, %s, %s) ON CONFLICT DO NOTHING", country_code, name, continent_code) | |
2483 | ||
6ffd06b5 MT |
2484 | |
2485 | def split_line(line): | |
2486 | key, colon, val = line.partition(":") | |
2487 | ||
2488 | # Strip any excess space | |
2489 | key = key.strip() | |
2490 | val = val.strip() | |
78ff0cf2 | 2491 | |
6ffd06b5 | 2492 | return key, val |
78ff0cf2 | 2493 | |
8c3529c7 MT |
2494 | def read_blocks(f): |
2495 | for block in iterate_over_blocks(f): | |
2496 | type = None | |
2497 | data = {} | |
2498 | ||
2499 | for i, line in enumerate(block): | |
2500 | key, value = line.split(":", 1) | |
2501 | ||
2502 | # The key of the first line defines the type | |
2503 | if i == 0: | |
2504 | type = key | |
2505 | ||
f5a4557d MT |
2506 | # Strip any excess whitespace |
2507 | value = value.strip() | |
2508 | ||
2509 | # Store some values as a list | |
2510 | if type == "geofeed" and key == "network": | |
2511 | try: | |
2512 | data[key].append(value) | |
2513 | except KeyError: | |
2514 | data[key] = [value] | |
2515 | ||
2516 | # Otherwise store the value as string | |
2517 | else: | |
2518 | data[key] = value | |
8c3529c7 MT |
2519 | |
2520 | yield type, data | |
2521 | ||
2522 | def iterate_over_blocks(f, charsets=("utf-8", "latin1")): | |
2523 | block = [] | |
2524 | ||
2525 | for line in f: | |
2526 | # Skip commented lines | |
2527 | if line.startswith(b"#") or line.startswith(b"%"): | |
2528 | continue | |
2529 | ||
2530 | # Convert to string | |
2531 | for charset in charsets: | |
2532 | try: | |
2533 | line = line.decode(charset) | |
2534 | except UnicodeDecodeError: | |
2535 | continue | |
2536 | else: | |
2537 | break | |
2538 | ||
2539 | # Remove any comments at the end of line | |
2540 | line, hash, comment = line.partition("#") | |
2541 | ||
2542 | # Strip any whitespace at the end of the line | |
2543 | line = line.rstrip() | |
2544 | ||
2545 | # If we cut off some comment and the line is empty, we can skip it | |
2546 | if comment and not line: | |
2547 | continue | |
2548 | ||
2549 | # If the line has some content, keep collecting it | |
2550 | if line: | |
2551 | block.append(line) | |
2552 | continue | |
2553 | ||
2554 | # End the block on an empty line | |
2555 | if block: | |
2556 | yield block | |
2557 | ||
2558 | # Reset the block | |
2559 | block = [] | |
2560 | ||
2561 | # Return the last block | |
2562 | if block: | |
2563 | yield block | |
2564 | ||
2565 | def iterate_over_lines(f): | |
2566 | for line in f: | |
2567 | # Decode the line | |
2568 | line = line.decode() | |
2569 | ||
2570 | # Strip the ending | |
2571 | yield line.rstrip() | |
2572 | ||
98d9079b | 2573 | async def main(): |
78ff0cf2 MT |
2574 | # Run the command line interface |
2575 | c = CLI() | |
78ff0cf2 | 2576 | |
98d9079b MT |
2577 | await c.run() |
2578 | ||
2579 | asyncio.run(main()) |