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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); | |
200 | CREATE INDEX IF NOT EXISTS announcements_family ON announcements(family(network)); | |
a1707d89 | 201 | CREATE INDEX IF NOT EXISTS announcements_search ON announcements USING GIST(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); |
002deb6b | 218 | CREATE INDEX IF NOT EXISTS networks_family ON networks USING BTREE(family(network)); |
83d61c46 | 219 | CREATE INDEX IF NOT EXISTS networks_search ON networks USING GIST(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); | |
240 | CREATE INDEX IF NOT EXISTS geofeed_networks_search | |
47fc42fb | 241 | ON geofeed_networks USING GIST(network inet_ops); |
183b2f74 | 242 | CREATE TABLE IF NOT EXISTS network_geofeeds(network inet, url text); |
b8f3075b | 243 | ALTER TABLE network_geofeeds ADD COLUMN IF NOT EXISTS source text NOT NULL; |
183b2f74 MT |
244 | CREATE UNIQUE INDEX IF NOT EXISTS network_geofeeds_unique |
245 | ON network_geofeeds(network); | |
7f0a6add MT |
246 | CREATE INDEX IF NOT EXISTS network_geofeeds_search |
247 | ON network_geofeeds USING GIST(network inet_ops); | |
248 | CREATE INDEX IF NOT EXISTS network_geofeeds_url | |
249 | ON network_geofeeds(url); | |
183b2f74 | 250 | |
7808c8b7 MT |
251 | -- feeds |
252 | CREATE TABLE IF NOT EXISTS autnum_feeds( | |
253 | number bigint NOT NULL, | |
254 | source text NOT NULL, | |
255 | name text, | |
256 | country text, | |
257 | is_anonymous_proxy boolean, | |
258 | is_satellite_provider boolean, | |
259 | is_anycast boolean, | |
260 | is_drop boolean | |
261 | ); | |
262 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_feeds_unique | |
263 | ON autnum_feeds(number, source); | |
264 | ||
c923c1cc MT |
265 | CREATE TABLE IF NOT EXISTS network_feeds( |
266 | network inet NOT NULL, | |
267 | source text NOT NULL, | |
268 | country text, | |
269 | is_anonymous_proxy boolean, | |
270 | is_satellite_provider boolean, | |
271 | is_anycast boolean, | |
272 | is_drop boolean | |
273 | ); | |
274 | CREATE UNIQUE INDEX IF NOT EXISTS network_feeds_unique | |
275 | ON network_feeds(network, source); | |
276 | CREATE INDEX IF NOT EXISTS network_feeds_search | |
277 | ON network_feeds USING GIST(network inet_ops); | |
278 | ||
d7fc3057 MT |
279 | -- overrides |
280 | CREATE TABLE IF NOT EXISTS autnum_overrides( | |
281 | number bigint NOT NULL, | |
282 | name text, | |
bd1aa6a1 | 283 | country text, |
b8e25b71 MT |
284 | is_anonymous_proxy boolean, |
285 | is_satellite_provider boolean, | |
286 | is_anycast boolean | |
d7fc3057 MT |
287 | ); |
288 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_overrides_number | |
289 | ON autnum_overrides(number); | |
e17e804e | 290 | ALTER TABLE autnum_overrides ADD COLUMN IF NOT EXISTS is_drop boolean; |
667ad134 | 291 | ALTER TABLE autnum_overrides DROP COLUMN IF EXISTS source; |
d7fc3057 MT |
292 | |
293 | CREATE TABLE IF NOT EXISTS network_overrides( | |
294 | network inet NOT NULL, | |
295 | country text, | |
b8e25b71 MT |
296 | is_anonymous_proxy boolean, |
297 | is_satellite_provider boolean, | |
298 | is_anycast boolean | |
d7fc3057 MT |
299 | ); |
300 | CREATE UNIQUE INDEX IF NOT EXISTS network_overrides_network | |
301 | ON network_overrides(network); | |
991baf53 MT |
302 | CREATE INDEX IF NOT EXISTS network_overrides_search |
303 | ON network_overrides USING GIST(network inet_ops); | |
e17e804e | 304 | ALTER TABLE network_overrides ADD COLUMN IF NOT EXISTS is_drop boolean; |
667ad134 | 305 | ALTER TABLE network_overrides DROP COLUMN IF EXISTS source; |
3efe0297 MT |
306 | |
307 | CREATE TABLE IF NOT EXISTS geofeed_overrides( | |
308 | url text NOT NULL | |
309 | ); | |
310 | CREATE UNIQUE INDEX IF NOT EXISTS geofeed_overrides_url | |
311 | ON geofeed_overrides(url); | |
29c6fa22 MT |
312 | """) |
313 | ||
314 | return db | |
315 | ||
e61a9352 MT |
316 | def fetch_countries(self): |
317 | """ | |
318 | Returns a list of all countries on the list | |
319 | """ | |
320 | # Fetch all valid country codes to check parsed networks aganist... | |
321 | countries = self.db.query("SELECT country_code FROM countries ORDER BY country_code") | |
322 | ||
ae20698a | 323 | return set((country.country_code for country in countries)) |
e61a9352 | 324 | |
98d9079b | 325 | async def handle_write(self, ns): |
0983f3dd MT |
326 | """ |
327 | Compiles a database in libloc format out of what is in the database | |
328 | """ | |
0983f3dd | 329 | # Allocate a writer |
1164d876 | 330 | writer = location.Writer(ns.signing_key, ns.backup_signing_key) |
0983f3dd MT |
331 | |
332 | # Set all metadata | |
333 | if ns.vendor: | |
334 | writer.vendor = ns.vendor | |
335 | ||
336 | if ns.description: | |
337 | writer.description = ns.description | |
338 | ||
339 | if ns.license: | |
340 | writer.license = ns.license | |
341 | ||
342 | # Add all Autonomous Systems | |
343 | log.info("Writing Autonomous Systems...") | |
344 | ||
345 | # Select all ASes with a name | |
6e97c44b MT |
346 | rows = self.db.query(""" |
347 | SELECT | |
348 | autnums.number AS number, | |
349 | COALESCE( | |
ef1581fb | 350 | overrides.name, |
6e97c44b MT |
351 | autnums.name |
352 | ) AS name | |
ef1581fb MT |
353 | FROM |
354 | autnums | |
355 | LEFT JOIN | |
356 | autnum_overrides overrides ON autnums.number = overrides.number | |
357 | ORDER BY | |
358 | autnums.number | |
359 | """) | |
0983f3dd MT |
360 | |
361 | for row in rows: | |
008d5468 MT |
362 | # Skip AS without names |
363 | if not row.name: | |
364 | continue | |
365 | ||
0983f3dd MT |
366 | a = writer.add_as(row.number) |
367 | a.name = row.name | |
368 | ||
369 | # Add all networks | |
370 | log.info("Writing networks...") | |
371 | ||
372 | # Select all known networks | |
373 | rows = self.db.query(""" | |
295a7774 MT |
374 | WITH known_networks AS ( |
375 | SELECT network FROM announcements | |
376 | UNION | |
377 | SELECT network FROM networks | |
378 | UNION | |
25b60228 | 379 | SELECT network FROM network_feeds |
c923c1cc | 380 | UNION |
295a7774 | 381 | SELECT network FROM network_overrides |
e87dbd44 MT |
382 | UNION |
383 | SELECT network FROM geofeed_networks | |
295a7774 MT |
384 | ), |
385 | ||
386 | ordered_networks AS ( | |
387 | SELECT | |
388 | known_networks.network AS network, | |
389 | announcements.autnum AS autnum, | |
390 | networks.country AS country, | |
391 | ||
392 | -- Must be part of returned values for ORDER BY clause | |
393 | masklen(announcements.network) AS sort_a, | |
394 | masklen(networks.network) AS sort_b | |
395 | FROM | |
396 | known_networks | |
397 | LEFT JOIN | |
398 | announcements ON known_networks.network <<= announcements.network | |
399 | LEFT JOIN | |
400 | networks ON known_networks.network <<= networks.network | |
401 | ORDER BY | |
402 | known_networks.network, | |
403 | sort_a DESC, | |
404 | sort_b DESC | |
405 | ) | |
406 | ||
5372d9c7 MT |
407 | -- Return a list of those networks enriched with all |
408 | -- other information that we store in the database | |
0983f3dd | 409 | SELECT |
bbea93a7 MT |
410 | DISTINCT ON (network) |
411 | network, | |
412 | autnum, | |
bd1aa6a1 MT |
413 | |
414 | -- Country | |
415 | COALESCE( | |
416 | ( | |
476297aa MT |
417 | SELECT |
418 | country | |
419 | FROM | |
420 | network_overrides overrides | |
421 | WHERE | |
422 | networks.network <<= overrides.network | |
423 | ORDER BY | |
424 | masklen(overrides.network) DESC | |
425 | LIMIT 1 | |
bd1aa6a1 MT |
426 | ), |
427 | ( | |
476297aa MT |
428 | SELECT |
429 | country | |
430 | FROM | |
431 | autnum_overrides overrides | |
432 | WHERE | |
433 | networks.autnum = overrides.number | |
bd1aa6a1 | 434 | ), |
c923c1cc | 435 | ( |
476297aa MT |
436 | SELECT |
437 | country | |
438 | FROM | |
439 | network_feeds feeds | |
440 | WHERE | |
441 | networks.network <<= feeds.network | |
442 | ORDER BY | |
443 | masklen(feeds.network) DESC | |
444 | LIMIT 1 | |
c923c1cc | 445 | ), |
7808c8b7 | 446 | ( |
476297aa MT |
447 | SELECT |
448 | country | |
449 | FROM | |
450 | autnum_feeds feeds | |
451 | WHERE | |
452 | networks.autnum = feeds.number | |
453 | ORDER BY | |
454 | source | |
455 | LIMIT 1 | |
7808c8b7 | 456 | ), |
e87dbd44 MT |
457 | ( |
458 | SELECT | |
459 | geofeed_networks.country AS country | |
460 | FROM | |
461 | network_geofeeds | |
462 | ||
463 | -- Join the data from the geofeeds | |
464 | LEFT JOIN | |
465 | geofeeds ON network_geofeeds.url = geofeeds.url | |
466 | LEFT JOIN | |
467 | geofeed_networks ON geofeeds.id = geofeed_networks.geofeed_id | |
468 | ||
469 | -- Check whether we have a geofeed for this network | |
470 | WHERE | |
471 | networks.network <<= network_geofeeds.network | |
472 | AND | |
473 | networks.network <<= geofeed_networks.network | |
474 | ||
475 | -- Filter for the best result | |
476 | ORDER BY | |
477 | masklen(geofeed_networks.network) DESC | |
478 | LIMIT 1 | |
479 | ), | |
bd1aa6a1 MT |
480 | networks.country |
481 | ) AS country, | |
8e8555bb | 482 | |
0983f3dd | 483 | -- Flags |
1422b5d4 MT |
484 | COALESCE( |
485 | ( | |
476297aa MT |
486 | SELECT |
487 | is_anonymous_proxy | |
488 | FROM | |
489 | network_overrides overrides | |
490 | WHERE | |
491 | networks.network <<= overrides.network | |
492 | ORDER BY | |
493 | masklen(overrides.network) DESC | |
494 | LIMIT 1 | |
1422b5d4 | 495 | ), |
c923c1cc | 496 | ( |
476297aa MT |
497 | SELECT |
498 | is_anonymous_proxy | |
499 | FROM | |
500 | network_feeds feeds | |
501 | WHERE | |
502 | networks.network <<= feeds.network | |
503 | ORDER BY | |
504 | masklen(feeds.network) DESC | |
505 | LIMIT 1 | |
c923c1cc | 506 | ), |
7808c8b7 | 507 | ( |
476297aa MT |
508 | SELECT |
509 | is_anonymous_proxy | |
510 | FROM | |
511 | autnum_feeds feeds | |
512 | WHERE | |
513 | networks.autnum = feeds.number | |
514 | ORDER BY | |
515 | source | |
516 | LIMIT 1 | |
7808c8b7 | 517 | ), |
1422b5d4 | 518 | ( |
476297aa MT |
519 | SELECT |
520 | is_anonymous_proxy | |
521 | FROM | |
522 | autnum_overrides overrides | |
523 | WHERE | |
524 | networks.autnum = overrides.number | |
b8e25b71 MT |
525 | ), |
526 | FALSE | |
1422b5d4 MT |
527 | ) AS is_anonymous_proxy, |
528 | COALESCE( | |
529 | ( | |
476297aa MT |
530 | SELECT |
531 | is_satellite_provider | |
532 | FROM | |
533 | network_overrides overrides | |
534 | WHERE | |
535 | networks.network <<= overrides.network | |
536 | ORDER BY | |
537 | masklen(overrides.network) DESC | |
538 | LIMIT 1 | |
1422b5d4 | 539 | ), |
c923c1cc | 540 | ( |
476297aa MT |
541 | SELECT |
542 | is_satellite_provider | |
543 | FROM | |
544 | network_feeds feeds | |
545 | WHERE | |
546 | networks.network <<= feeds.network | |
547 | ORDER BY | |
548 | masklen(feeds.network) DESC | |
549 | LIMIT 1 | |
c923c1cc | 550 | ), |
7808c8b7 | 551 | ( |
476297aa MT |
552 | SELECT |
553 | is_satellite_provider | |
554 | FROM | |
555 | autnum_feeds feeds | |
556 | WHERE | |
557 | networks.autnum = feeds.number | |
558 | ORDER BY | |
559 | source | |
560 | LIMIT 1 | |
7808c8b7 | 561 | ), |
1422b5d4 | 562 | ( |
476297aa MT |
563 | SELECT |
564 | is_satellite_provider | |
565 | FROM | |
566 | autnum_overrides overrides | |
567 | WHERE | |
568 | networks.autnum = overrides.number | |
b8e25b71 MT |
569 | ), |
570 | FALSE | |
1422b5d4 MT |
571 | ) AS is_satellite_provider, |
572 | COALESCE( | |
573 | ( | |
476297aa MT |
574 | SELECT |
575 | is_anycast | |
576 | FROM | |
577 | network_overrides overrides | |
578 | WHERE | |
579 | networks.network <<= overrides.network | |
580 | ORDER BY | |
581 | masklen(overrides.network) DESC | |
582 | LIMIT 1 | |
1422b5d4 | 583 | ), |
c923c1cc | 584 | ( |
476297aa MT |
585 | SELECT |
586 | is_anycast | |
587 | FROM | |
588 | network_feeds feeds | |
589 | WHERE | |
590 | networks.network <<= feeds.network | |
591 | ORDER BY | |
592 | masklen(feeds.network) DESC | |
593 | LIMIT 1 | |
c923c1cc | 594 | ), |
7808c8b7 | 595 | ( |
476297aa MT |
596 | SELECT |
597 | is_anycast | |
598 | FROM | |
599 | autnum_feeds feeds | |
600 | WHERE | |
601 | networks.autnum = feeds.number | |
602 | ORDER BY | |
603 | source | |
604 | LIMIT 1 | |
7808c8b7 | 605 | ), |
1422b5d4 | 606 | ( |
476297aa MT |
607 | SELECT |
608 | is_anycast | |
609 | FROM | |
610 | autnum_overrides overrides | |
611 | WHERE | |
612 | networks.autnum = overrides.number | |
b8e25b71 MT |
613 | ), |
614 | FALSE | |
e17e804e PM |
615 | ) AS is_anycast, |
616 | COALESCE( | |
617 | ( | |
476297aa MT |
618 | SELECT |
619 | is_drop | |
620 | FROM | |
621 | network_overrides overrides | |
622 | WHERE | |
623 | networks.network <<= overrides.network | |
624 | ORDER BY | |
625 | masklen(overrides.network) DESC | |
626 | LIMIT 1 | |
e17e804e | 627 | ), |
c923c1cc | 628 | ( |
476297aa MT |
629 | SELECT |
630 | is_drop | |
631 | FROM | |
632 | network_feeds feeds | |
633 | WHERE | |
634 | networks.network <<= feeds.network | |
635 | ORDER BY | |
636 | masklen(feeds.network) DESC | |
637 | LIMIT 1 | |
c923c1cc | 638 | ), |
7808c8b7 | 639 | ( |
476297aa MT |
640 | SELECT |
641 | is_drop | |
642 | FROM | |
643 | autnum_feeds feeds | |
644 | WHERE | |
645 | networks.autnum = feeds.number | |
646 | ORDER BY | |
647 | source | |
648 | LIMIT 1 | |
7808c8b7 | 649 | ), |
e17e804e | 650 | ( |
476297aa MT |
651 | SELECT |
652 | is_drop | |
653 | FROM | |
654 | autnum_overrides overrides | |
655 | WHERE | |
656 | networks.autnum = overrides.number | |
e17e804e PM |
657 | ), |
658 | FALSE | |
659 | ) AS is_drop | |
295a7774 MT |
660 | FROM |
661 | ordered_networks networks | |
0983f3dd MT |
662 | """) |
663 | ||
664 | for row in rows: | |
665 | network = writer.add_network(row.network) | |
666 | ||
5372d9c7 MT |
667 | # Save country |
668 | if row.country: | |
669 | network.country_code = row.country | |
670 | ||
671 | # Save ASN | |
672 | if row.autnum: | |
673 | network.asn = row.autnum | |
0983f3dd MT |
674 | |
675 | # Set flags | |
676 | if row.is_anonymous_proxy: | |
677 | network.set_flag(location.NETWORK_FLAG_ANONYMOUS_PROXY) | |
678 | ||
679 | if row.is_satellite_provider: | |
680 | network.set_flag(location.NETWORK_FLAG_SATELLITE_PROVIDER) | |
681 | ||
682 | if row.is_anycast: | |
683 | network.set_flag(location.NETWORK_FLAG_ANYCAST) | |
684 | ||
e17e804e PM |
685 | if row.is_drop: |
686 | network.set_flag(location.NETWORK_FLAG_DROP) | |
687 | ||
8084b33a MT |
688 | # Add all countries |
689 | log.info("Writing countries...") | |
690 | rows = self.db.query("SELECT * FROM countries ORDER BY country_code") | |
691 | ||
692 | for row in rows: | |
693 | c = writer.add_country(row.country_code) | |
694 | c.continent_code = row.continent_code | |
695 | c.name = row.name | |
696 | ||
0983f3dd MT |
697 | # Write everything to file |
698 | log.info("Writing database to file...") | |
699 | for file in ns.file: | |
700 | writer.write(file) | |
701 | ||
98d9079b | 702 | async def handle_update_whois(self, ns): |
3ce28dea | 703 | # Did we run successfully? |
8c2dbbc2 MT |
704 | success = True |
705 | ||
706 | sources = ( | |
707 | # African Network Information Centre | |
708 | ("AFRINIC", ( | |
709 | (self._import_standard_format, "https://ftp.afrinic.net/pub/pub/dbase/afrinic.db.gz"), | |
710 | )), | |
711 | ||
712 | # Asia Pacific Network Information Centre | |
713 | ("APNIC", ( | |
714 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.inet6num.gz"), | |
715 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.inetnum.gz"), | |
716 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.aut-num.gz"), | |
717 | (self._import_standard_format, "https://ftp.apnic.net/apnic/whois/apnic.db.organisation.gz"), | |
718 | )), | |
719 | ||
720 | # American Registry for Internet Numbers | |
721 | ("ARIN", ( | |
722 | (self._import_extended_format, "https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-latest"), | |
723 | (self._import_arin_as_names, "https://ftp.arin.net/pub/resource_registry_service/asns.csv"), | |
724 | )), | |
725 | ||
726 | # Japan Network Information Center | |
727 | ("JPNIC", ( | |
728 | (self._import_standard_format, "https://ftp.nic.ad.jp/jpirr/jpirr.db.gz"), | |
729 | )), | |
730 | ||
731 | # Latin America and Caribbean Network Information Centre | |
732 | ("LACNIC", ( | |
733 | (self._import_standard_format, "https://ftp.lacnic.net/lacnic/dbase/lacnic.db.gz"), | |
734 | (self._import_extended_format, "https://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-latest"), | |
735 | )), | |
736 | ||
737 | # Réseaux IP Européens | |
738 | ("RIPE", ( | |
739 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.inet6num.gz"), | |
740 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.inetnum.gz"), | |
741 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.aut-num.gz"), | |
742 | (self._import_standard_format, "https://ftp.ripe.net/ripe/dbase/split/ripe.db.organisation.gz"), | |
743 | )), | |
744 | ) | |
84b175e2 | 745 | |
fa9220b0 | 746 | # Fetch all valid country codes to check parsed networks against |
d4697973 MT |
747 | countries = self.fetch_countries() |
748 | ||
749 | # Check if we have countries | |
750 | if not countries: | |
751 | log.error("Please import countries before importing any WHOIS data") | |
752 | return 1 | |
6ffd06b5 | 753 | |
3ce28dea | 754 | # Iterate over all potential sources |
8c2dbbc2 | 755 | for name, feeds in sources: |
d77d05d1 | 756 | # Skip anything that should not be updated |
8c2dbbc2 | 757 | if ns.sources and not name in ns.sources: |
d77d05d1 MT |
758 | continue |
759 | ||
8c2dbbc2 | 760 | try: |
98d9079b | 761 | await self._process_source(name, feeds, countries) |
002deb6b | 762 | |
8c2dbbc2 MT |
763 | # Log an error but continue if an exception occurs |
764 | except Exception as e: | |
765 | log.error("Error processing source %s" % name, exc_info=True) | |
766 | success = False | |
767 | ||
768 | # Return a non-zero exit code for errors | |
769 | return 0 if success else 1 | |
770 | ||
98d9079b | 771 | async def _process_source(self, source, feeds, countries): |
8c2dbbc2 MT |
772 | """ |
773 | This function processes one source | |
774 | """ | |
775 | # Wrap everything into one large transaction | |
776 | with self.db.transaction(): | |
777 | # Remove all previously imported content | |
b8f3075b MT |
778 | self.db.execute("DELETE FROM autnums WHERE source = %s", source) |
779 | self.db.execute("DELETE FROM networks WHERE source = %s", source) | |
780 | self.db.execute("DELETE FROM network_geofeeds WHERE source = %s", source) | |
8c2dbbc2 MT |
781 | |
782 | # Create some temporary tables to store parsed data | |
783 | self.db.execute(""" | |
784 | CREATE TEMPORARY TABLE _autnums(number integer NOT NULL, | |
785 | organization text NOT NULL, source text NOT NULL) ON COMMIT DROP; | |
786 | CREATE UNIQUE INDEX _autnums_number ON _autnums(number); | |
787 | ||
788 | CREATE TEMPORARY TABLE _organizations(handle text NOT NULL, | |
789 | name text NOT NULL, source text NOT NULL) ON COMMIT DROP; | |
790 | CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle); | |
791 | ||
792 | CREATE TEMPORARY TABLE _rirdata(network inet NOT NULL, country text, | |
793 | original_countries text[] NOT NULL, source text NOT NULL) | |
794 | ON COMMIT DROP; | |
795 | CREATE INDEX _rirdata_search ON _rirdata | |
796 | USING BTREE(family(network), masklen(network)); | |
797 | CREATE UNIQUE INDEX _rirdata_network ON _rirdata(network); | |
798 | """) | |
002deb6b | 799 | |
8c2dbbc2 MT |
800 | # Parse all feeds |
801 | for callback, url, *args in feeds: | |
802 | # Retrieve the feed | |
335946c0 | 803 | f = self.downloader.retrieve(url) |
8c2dbbc2 MT |
804 | |
805 | # Call the callback | |
c86209e2 MT |
806 | with self.db.pipeline(): |
807 | await callback(source, countries, f, *args) | |
8c2dbbc2 MT |
808 | |
809 | # Process all parsed networks from every RIR we happen to have access to, | |
810 | # insert the largest network chunks into the networks table immediately... | |
811 | families = self.db.query(""" | |
812 | SELECT DISTINCT | |
813 | family(network) AS family | |
814 | FROM | |
815 | _rirdata | |
816 | ORDER BY | |
817 | family(network) | |
818 | """, | |
819 | ) | |
820 | ||
821 | for family in (row.family for row in families): | |
822 | # Fetch the smallest mask length in our data set | |
823 | smallest = self.db.get(""" | |
824 | SELECT | |
825 | MIN( | |
826 | masklen(network) | |
827 | ) AS prefix | |
fa9220b0 MT |
828 | FROM |
829 | _rirdata | |
8c2dbbc2 MT |
830 | WHERE |
831 | family(network) = %s | |
832 | """, family, | |
fa9220b0 | 833 | ) |
3ce28dea | 834 | |
8c2dbbc2 MT |
835 | # Copy all networks |
836 | self.db.execute(""" | |
837 | INSERT INTO | |
838 | networks | |
839 | ( | |
840 | network, | |
841 | country, | |
842 | original_countries, | |
843 | source | |
5bfa1bb4 | 844 | ) |
8c2dbbc2 MT |
845 | SELECT |
846 | network, | |
847 | country, | |
848 | original_countries, | |
849 | source | |
850 | FROM | |
851 | _rirdata | |
852 | WHERE | |
853 | masklen(network) = %s | |
854 | AND | |
855 | family(network) = %s | |
856 | ON CONFLICT DO | |
857 | NOTHING""", | |
858 | smallest.prefix, | |
859 | family, | |
860 | ) | |
861 | ||
862 | # ... determine any other prefixes for this network family, ... | |
863 | prefixes = self.db.query(""" | |
864 | SELECT | |
865 | DISTINCT masklen(network) AS prefix | |
866 | FROM | |
867 | _rirdata | |
868 | WHERE | |
869 | family(network) = %s | |
870 | ORDER BY | |
871 | masklen(network) ASC | |
872 | OFFSET 1 | |
873 | """, family, | |
874 | ) | |
5bfa1bb4 | 875 | |
8c2dbbc2 MT |
876 | # ... and insert networks with this prefix in case they provide additional |
877 | # information (i. e. subnet of a larger chunk with a different country) | |
878 | for prefix in (row.prefix for row in prefixes): | |
5bfa1bb4 | 879 | self.db.execute(""" |
8c2dbbc2 MT |
880 | WITH candidates AS ( |
881 | SELECT | |
882 | _rirdata.network, | |
883 | _rirdata.country, | |
884 | _rirdata.original_countries, | |
885 | _rirdata.source | |
886 | FROM | |
887 | _rirdata | |
888 | WHERE | |
889 | family(_rirdata.network) = %s | |
890 | AND | |
891 | masklen(_rirdata.network) = %s | |
892 | ), | |
893 | filtered AS ( | |
894 | SELECT | |
895 | DISTINCT ON (c.network) | |
896 | c.network, | |
897 | c.country, | |
898 | c.original_countries, | |
899 | c.source, | |
900 | masklen(networks.network), | |
901 | networks.country AS parent_country | |
902 | FROM | |
903 | candidates c | |
904 | LEFT JOIN | |
905 | networks | |
906 | ON | |
907 | c.network << networks.network | |
908 | ORDER BY | |
909 | c.network, | |
910 | masklen(networks.network) DESC NULLS LAST | |
5bfa1bb4 | 911 | ) |
8c2dbbc2 MT |
912 | INSERT INTO |
913 | networks(network, country, original_countries, source) | |
5bfa1bb4 MT |
914 | SELECT |
915 | network, | |
916 | country, | |
917 | original_countries, | |
918 | source | |
919 | FROM | |
8c2dbbc2 | 920 | filtered |
5bfa1bb4 | 921 | WHERE |
8c2dbbc2 MT |
922 | parent_country IS NULL |
923 | OR | |
924 | country <> parent_country | |
925 | ON CONFLICT DO NOTHING | |
926 | """, family, prefix, | |
5bfa1bb4 | 927 | ) |
3ce28dea | 928 | |
8c2dbbc2 MT |
929 | self.db.execute(""" |
930 | INSERT INTO | |
931 | autnums | |
932 | ( | |
933 | number, | |
934 | name, | |
935 | source | |
936 | ) | |
937 | SELECT | |
938 | _autnums.number, | |
939 | _organizations.name, | |
940 | _organizations.source | |
941 | FROM | |
942 | _autnums | |
943 | JOIN | |
944 | _organizations ON _autnums.organization = _organizations.handle | |
945 | ON CONFLICT | |
946 | ( | |
947 | number | |
948 | ) | |
949 | DO UPDATE | |
950 | SET name = excluded.name | |
951 | """, | |
952 | ) | |
3ce28dea | 953 | |
98d9079b | 954 | async def _import_standard_format(self, source, countries, f, *args): |
8c2dbbc2 MT |
955 | """ |
956 | Imports a single standard format source feed | |
957 | """ | |
958 | # Iterate over all blocks | |
8c3529c7 | 959 | for block in iterate_over_blocks(f): |
8c2dbbc2 MT |
960 | self._parse_block(block, source, countries) |
961 | ||
98d9079b | 962 | async def _import_extended_format(self, source, countries, f, *args): |
8c2dbbc2 | 963 | # Iterate over all lines |
8c3529c7 | 964 | for line in iterate_over_lines(f): |
c82e2eab | 965 | self._parse_line(line, source, countries) |
8c2dbbc2 | 966 | |
98d9079b | 967 | async def _import_arin_as_names(self, source, countries, f, *args): |
fa5dccf1 MT |
968 | # Wrap the data to text |
969 | f = io.TextIOWrapper(f) | |
970 | ||
8c2dbbc2 | 971 | # Walk through the file |
932a7552 | 972 | for line in csv.DictReader(f, dialect="arin"): |
8c2dbbc2 MT |
973 | # Fetch status |
974 | status = line.get("Status") | |
975 | ||
976 | # We are only interested in anything managed by ARIN | |
977 | if not status == "Full Registry Services": | |
978 | continue | |
979 | ||
980 | # Fetch organization name | |
981 | name = line.get("Org Name") | |
982 | ||
983 | # Extract ASNs | |
984 | first_asn = line.get("Start AS Number") | |
985 | last_asn = line.get("End AS Number") | |
986 | ||
987 | # Cast to a number | |
988 | try: | |
989 | first_asn = int(first_asn) | |
990 | except TypeError as e: | |
991 | log.warning("Could not parse ASN '%s'" % first_asn) | |
992 | continue | |
993 | ||
994 | try: | |
995 | last_asn = int(last_asn) | |
996 | except TypeError as e: | |
997 | log.warning("Could not parse ASN '%s'" % last_asn) | |
998 | continue | |
999 | ||
1000 | # Check if the range is valid | |
1001 | if last_asn < first_asn: | |
1002 | log.warning("Invalid ASN range %s-%s" % (first_asn, last_asn)) | |
1003 | ||
1004 | # Insert everything into the database | |
1005 | for asn in range(first_asn, last_asn + 1): | |
1006 | if not self._check_parsed_asn(asn): | |
1007 | log.warning("Skipping invalid ASN %s" % asn) | |
1008 | continue | |
0365119d | 1009 | |
3ce28dea | 1010 | self.db.execute(""" |
fa9220b0 MT |
1011 | INSERT INTO |
1012 | autnums | |
1013 | ( | |
1014 | number, | |
1015 | name, | |
1016 | source | |
1017 | ) | |
8c2dbbc2 MT |
1018 | VALUES |
1019 | ( | |
1020 | %s, %s, %s | |
1021 | ) | |
fa9220b0 MT |
1022 | ON CONFLICT |
1023 | ( | |
1024 | number | |
1025 | ) | |
8c2dbbc2 MT |
1026 | DO NOTHING |
1027 | """, asn, name, "ARIN", | |
fa9220b0 | 1028 | ) |
429a43d1 | 1029 | |
bd341642 PM |
1030 | def _check_parsed_network(self, network): |
1031 | """ | |
1032 | Assistive function to detect and subsequently sort out parsed | |
1033 | networks from RIR data (both Whois and so-called "extended sources"), | |
1034 | which are or have... | |
1035 | ||
1036 | (a) not globally routable (RFC 1918 space, et al.) | |
1037 | (b) covering a too large chunk of the IP address space (prefix length | |
1038 | is < 7 for IPv4 networks, and < 10 for IPv6) | |
1039 | (c) "0.0.0.0" or "::" as a network address | |
bd341642 PM |
1040 | |
1041 | This unfortunately is necessary due to brain-dead clutter across | |
1042 | various RIR databases, causing mismatches and eventually disruptions. | |
1043 | ||
1044 | We will return False in case a network is not suitable for adding | |
1045 | it to our database, and True otherwise. | |
1046 | """ | |
d9b0a6ea MT |
1047 | # Check input |
1048 | if isinstance(network, ipaddress.IPv6Network): | |
1049 | pass | |
1050 | elif isinstance(network, ipaddress.IPv4Network): | |
1051 | pass | |
1052 | else: | |
1053 | raise ValueError("Invalid network: %s (type %s)" % (network, type(network))) | |
bd341642 | 1054 | |
cb45f0d5 | 1055 | # Ignore anything that isn't globally routable |
bd341642 | 1056 | if not network.is_global: |
2ba6ed07 | 1057 | log.debug("Skipping non-globally routable network: %s" % network) |
bd341642 PM |
1058 | return False |
1059 | ||
cb45f0d5 MT |
1060 | # Ignore anything that is unspecified IP range (See RFC 5735 for IPv4 or RFC 2373 for IPv6) |
1061 | elif network.is_unspecified: | |
1062 | log.debug("Skipping unspecified network: %s" % network) | |
1063 | return False | |
1064 | ||
c940dcf1 MT |
1065 | # IPv6 |
1066 | if network.version == 6: | |
bd341642 | 1067 | if network.prefixlen < 10: |
2ba6ed07 | 1068 | log.debug("Skipping too big IP chunk: %s" % network) |
bd341642 PM |
1069 | return False |
1070 | ||
c940dcf1 MT |
1071 | # IPv4 |
1072 | elif network.version == 4: | |
1073 | if network.prefixlen < 7: | |
1074 | log.debug("Skipping too big IP chunk: %s" % network) | |
bd341642 PM |
1075 | return False |
1076 | ||
bd341642 PM |
1077 | # In case we have made it here, the network is considered to |
1078 | # be suitable for libloc consumption... | |
1079 | return True | |
1080 | ||
43fe570c PM |
1081 | def _check_parsed_asn(self, asn): |
1082 | """ | |
1083 | Assistive function to filter Autonomous System Numbers not being suitable | |
1084 | for adding to our database. Returns False in such cases, and True otherwise. | |
1085 | """ | |
1086 | ||
1087 | for start, end in VALID_ASN_RANGES: | |
1088 | if start <= asn and end >= asn: | |
1089 | return True | |
1090 | ||
1091 | log.info("Supplied ASN %s out of publicly routable ASN ranges" % asn) | |
1092 | return False | |
1093 | ||
d4697973 | 1094 | def _parse_block(self, block, source_key, countries): |
6ffd06b5 MT |
1095 | # Get first line to find out what type of block this is |
1096 | line = block[0] | |
1097 | ||
6ffd06b5 | 1098 | # aut-num |
429a43d1 | 1099 | if line.startswith("aut-num:"): |
28b08385 | 1100 | return self._parse_autnum_block(block, source_key) |
6ffd06b5 | 1101 | |
aadac4c5 PM |
1102 | # inetnum |
1103 | if line.startswith("inet6num:") or line.startswith("inetnum:"): | |
d4697973 | 1104 | return self._parse_inetnum_block(block, source_key, countries) |
aadac4c5 | 1105 | |
6ffd06b5 MT |
1106 | # organisation |
1107 | elif line.startswith("organisation:"): | |
28b08385 | 1108 | return self._parse_org_block(block, source_key) |
6ffd06b5 | 1109 | |
28b08385 | 1110 | def _parse_autnum_block(self, block, source_key): |
6ffd06b5 MT |
1111 | autnum = {} |
1112 | for line in block: | |
1113 | # Split line | |
1114 | key, val = split_line(line) | |
1115 | ||
1116 | if key == "aut-num": | |
1117 | m = re.match(r"^(AS|as)(\d+)", val) | |
1118 | if m: | |
1119 | autnum["asn"] = m.group(2) | |
1120 | ||
0365119d | 1121 | elif key == "org": |
e7d612e5 | 1122 | autnum[key] = val.upper() |
6ffd06b5 | 1123 | |
426e0bee PM |
1124 | elif key == "descr": |
1125 | # Save the first description line as well... | |
1126 | if not key in autnum: | |
1127 | autnum[key] = val | |
1128 | ||
6ffd06b5 | 1129 | # Skip empty objects |
426e0bee | 1130 | if not autnum or not "asn" in autnum: |
6ffd06b5 MT |
1131 | return |
1132 | ||
426e0bee PM |
1133 | # Insert a dummy organisation handle into our temporary organisations |
1134 | # table in case the AS does not have an organisation handle set, but | |
1135 | # has a description (a quirk often observed in APNIC area), so we can | |
1136 | # later display at least some string for this AS. | |
1137 | if not "org" in autnum: | |
1138 | if "descr" in autnum: | |
1139 | autnum["org"] = "LIBLOC-%s-ORGHANDLE" % autnum.get("asn") | |
1140 | ||
1141 | self.db.execute("INSERT INTO _organizations(handle, name, source) \ | |
1142 | VALUES(%s, %s, %s) ON CONFLICT (handle) DO NOTHING", | |
1143 | autnum.get("org"), autnum.get("descr"), source_key, | |
1144 | ) | |
1145 | else: | |
1146 | log.warning("ASN %s neither has an organisation handle nor a description line set, omitting" % \ | |
1147 | autnum.get("asn")) | |
1148 | return | |
1149 | ||
6ffd06b5 | 1150 | # Insert into database |
28b08385 PM |
1151 | self.db.execute("INSERT INTO _autnums(number, organization, source) \ |
1152 | VALUES(%s, %s, %s) ON CONFLICT (number) DO UPDATE SET \ | |
0365119d | 1153 | organization = excluded.organization", |
28b08385 | 1154 | autnum.get("asn"), autnum.get("org"), source_key, |
6ffd06b5 MT |
1155 | ) |
1156 | ||
d4697973 | 1157 | def _parse_inetnum_block(self, block, source_key, countries): |
aadac4c5 PM |
1158 | inetnum = {} |
1159 | for line in block: | |
aadac4c5 PM |
1160 | # Split line |
1161 | key, val = split_line(line) | |
1162 | ||
84187ab5 PM |
1163 | # Filter any inetnum records which are only referring to IP space |
1164 | # not managed by that specific RIR... | |
1165 | if key == "netname": | |
5254e5fc | 1166 | 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 | 1167 | log.debug("Skipping record indicating historic/orphaned data: %s" % val.strip()) |
84187ab5 PM |
1168 | return |
1169 | ||
aadac4c5 PM |
1170 | if key == "inetnum": |
1171 | start_address, delim, end_address = val.partition("-") | |
1172 | ||
1173 | # Strip any excess space | |
1174 | start_address, end_address = start_address.rstrip(), end_address.strip() | |
1175 | ||
845da577 PM |
1176 | # Handle "inetnum" formatting in LACNIC DB (e.g. "24.152.8/22" instead of "24.152.8.0/22") |
1177 | if start_address and not (delim or end_address): | |
1178 | try: | |
1179 | start_address = ipaddress.ip_network(start_address, strict=False) | |
1180 | except ValueError: | |
1181 | start_address = start_address.split("/") | |
38d0faea | 1182 | ldigits = start_address[0].count(".") |
845da577 PM |
1183 | |
1184 | # How many octets do we need to add? | |
1185 | # (LACNIC does not seem to have a /8 or greater assigned, so the following should suffice.) | |
2ad36187 | 1186 | if ldigits == 1: |
845da577 | 1187 | start_address = start_address[0] + ".0.0/" + start_address[1] |
2ad36187 | 1188 | elif ldigits == 2: |
845da577 PM |
1189 | start_address = start_address[0] + ".0/" + start_address[1] |
1190 | else: | |
1191 | log.warning("Could not recover IPv4 address from line in LACNIC DB format: %s" % line) | |
1192 | return | |
1193 | ||
1194 | try: | |
1195 | start_address = ipaddress.ip_network(start_address, strict=False) | |
1196 | except ValueError: | |
1197 | log.warning("Could not parse line in LACNIC DB format: %s" % line) | |
1198 | return | |
1199 | ||
1200 | # Enumerate first and last IP address of this network | |
1201 | end_address = start_address[-1] | |
1202 | start_address = start_address[0] | |
1203 | ||
1204 | else: | |
1205 | # Convert to IP address | |
1206 | try: | |
1207 | start_address = ipaddress.ip_address(start_address) | |
1208 | end_address = ipaddress.ip_address(end_address) | |
1209 | except ValueError: | |
1210 | log.warning("Could not parse line: %s" % line) | |
1211 | return | |
aadac4c5 | 1212 | |
1814283b | 1213 | inetnum["inetnum"] = list(ipaddress.summarize_address_range(start_address, end_address)) |
aadac4c5 PM |
1214 | |
1215 | elif key == "inet6num": | |
1814283b | 1216 | inetnum[key] = [ipaddress.ip_network(val, strict=False)] |
aadac4c5 PM |
1217 | |
1218 | elif key == "country": | |
5487ee0d | 1219 | cc = val.upper() |
b6b2b331 | 1220 | |
30d32299 | 1221 | # Ignore certain country codes |
5487ee0d MT |
1222 | if cc in IGNORED_COUNTRIES: |
1223 | log.debug("Ignoring country code '%s'" % cc) | |
30d32299 MT |
1224 | continue |
1225 | ||
afc966db MT |
1226 | # Translate country codes |
1227 | try: | |
5487ee0d | 1228 | cc = TRANSLATED_COUNTRIES[cc] |
afc966db MT |
1229 | except KeyError: |
1230 | pass | |
01e5f0ff | 1231 | |
a9e72406 MT |
1232 | # Do we know this country? |
1233 | if not cc in countries: | |
1234 | log.warning("Skipping invalid country code '%s'" % cc) | |
1235 | continue | |
1236 | ||
5487ee0d MT |
1237 | try: |
1238 | inetnum[key].append(cc) | |
1239 | except KeyError: | |
1240 | inetnum[key] = [cc] | |
aadac4c5 | 1241 | |
183b2f74 MT |
1242 | # Parse the geofeed attribute |
1243 | elif key == "geofeed": | |
1244 | inetnum["geofeed"] = val | |
1245 | ||
1246 | # Parse geofeed when used as a remark | |
45c0536c MT |
1247 | elif key == "remarks": |
1248 | m = re.match(r"^(?:Geofeed)\s+(https://.*)", val) | |
183b2f74 MT |
1249 | if m: |
1250 | inetnum["geofeed"] = m.group(1) | |
1251 | ||
aadac4c5 | 1252 | # Skip empty objects |
39bfa052 | 1253 | if not inetnum: |
aadac4c5 PM |
1254 | return |
1255 | ||
1814283b PM |
1256 | # Iterate through all networks enumerated from above, check them for plausibility and insert |
1257 | # them into the database, if _check_parsed_network() succeeded | |
1258 | for single_network in inetnum.get("inet6num") or inetnum.get("inetnum"): | |
39bfa052 MT |
1259 | if not self._check_parsed_network(single_network): |
1260 | continue | |
1261 | ||
1262 | # Fetch the countries or use a list with an empty country | |
1263 | countries = inetnum.get("country", [None]) | |
1264 | ||
1265 | # Insert the network into the database but only use the first country code | |
1266 | for cc in countries: | |
1267 | self.db.execute(""" | |
1268 | INSERT INTO | |
1269 | _rirdata | |
1270 | ( | |
1271 | network, | |
1272 | country, | |
1273 | original_countries, | |
1274 | source | |
1275 | ) | |
1276 | VALUES | |
1277 | ( | |
1278 | %s, %s, %s, %s | |
1279 | ) | |
1280 | ON CONFLICT (network) | |
1281 | DO UPDATE SET country = excluded.country | |
1282 | """, "%s" % single_network, cc, [cc for cc in countries if cc], source_key, | |
1814283b | 1283 | ) |
aadac4c5 | 1284 | |
39bfa052 MT |
1285 | # If there are more than one country, we will only use the first one |
1286 | break | |
183b2f74 | 1287 | |
39bfa052 MT |
1288 | # Update any geofeed information |
1289 | geofeed = inetnum.get("geofeed", None) | |
1290 | if geofeed: | |
b8f3075b | 1291 | self._parse_geofeed(source_key, geofeed, single_network) |
39bfa052 | 1292 | |
b8f3075b | 1293 | def _parse_geofeed(self, source, url, single_network): |
da832d44 MT |
1294 | # Parse the URL |
1295 | url = urllib.parse.urlparse(url) | |
1296 | ||
1297 | # Make sure that this is a HTTPS URL | |
1298 | if not url.scheme == "https": | |
1299 | log.debug("Geofeed URL is not using HTTPS: %s" % geofeed) | |
1300 | return | |
1301 | ||
1302 | # Put the URL back together normalized | |
1303 | url = url.geturl() | |
1304 | ||
1305 | # Store/update any geofeeds | |
1306 | self.db.execute(""" | |
1307 | INSERT INTO | |
b8f3075b MT |
1308 | network_geofeeds |
1309 | ( | |
1310 | network, | |
1311 | url, | |
1312 | source | |
1313 | ) | |
1314 | VALUES | |
1315 | ( | |
1316 | %s, %s, %s | |
da832d44 MT |
1317 | ) |
1318 | ON CONFLICT (network) DO | |
1319 | UPDATE SET url = excluded.url""", | |
b8f3075b | 1320 | "%s" % single_network, url, source, |
da832d44 MT |
1321 | ) |
1322 | ||
28b08385 | 1323 | def _parse_org_block(self, block, source_key): |
6ffd06b5 MT |
1324 | org = {} |
1325 | for line in block: | |
1326 | # Split line | |
1327 | key, val = split_line(line) | |
1328 | ||
e7d612e5 PM |
1329 | if key == "organisation": |
1330 | org[key] = val.upper() | |
1331 | elif key == "org-name": | |
6ffd06b5 MT |
1332 | org[key] = val |
1333 | ||
1334 | # Skip empty objects | |
1335 | if not org: | |
1336 | return | |
1337 | ||
28b08385 PM |
1338 | self.db.execute("INSERT INTO _organizations(handle, name, source) \ |
1339 | VALUES(%s, %s, %s) ON CONFLICT (handle) DO \ | |
0365119d | 1340 | UPDATE SET name = excluded.name", |
28b08385 | 1341 | org.get("organisation"), org.get("org-name"), source_key, |
6ffd06b5 MT |
1342 | ) |
1343 | ||
4b931f6c | 1344 | def _parse_line(self, line, source_key, validcountries=None): |
429a43d1 MT |
1345 | # Skip version line |
1346 | if line.startswith("2"): | |
1347 | return | |
6ffd06b5 | 1348 | |
429a43d1 MT |
1349 | # Skip comments |
1350 | if line.startswith("#"): | |
1351 | return | |
6ffd06b5 | 1352 | |
429a43d1 MT |
1353 | try: |
1354 | registry, country_code, type, line = line.split("|", 3) | |
1355 | except: | |
1356 | log.warning("Could not parse line: %s" % line) | |
1357 | return | |
6ffd06b5 | 1358 | |
9a9b0698 MT |
1359 | # Skip ASN |
1360 | if type == "asn": | |
1361 | return | |
1362 | ||
4b931f6c | 1363 | # Skip any unknown protocols |
9a9b0698 | 1364 | elif not type in ("ipv6", "ipv4"): |
4b931f6c MT |
1365 | log.warning("Unknown IP protocol '%s'" % type) |
1366 | return | |
1367 | ||
84b175e2 PM |
1368 | # Skip any lines that are for stats only or do not have a country |
1369 | # code at all (avoids log spam below) | |
1370 | if not country_code or country_code == '*': | |
1371 | return | |
1372 | ||
1373 | # Skip objects with unknown country codes | |
1374 | if validcountries and country_code not in validcountries: | |
1375 | log.warning("Skipping line with bogus country '%s': %s" % \ | |
1376 | (country_code, line)) | |
6ffd06b5 MT |
1377 | return |
1378 | ||
429a43d1 MT |
1379 | try: |
1380 | address, prefix, date, status, organization = line.split("|") | |
1381 | except ValueError: | |
1382 | organization = None | |
1383 | ||
1384 | # Try parsing the line without organization | |
1385 | try: | |
1386 | address, prefix, date, status = line.split("|") | |
1387 | except ValueError: | |
1388 | log.warning("Unhandled line format: %s" % line) | |
1389 | return | |
1390 | ||
1391 | # Skip anything that isn't properly assigned | |
1392 | if not status in ("assigned", "allocated"): | |
1393 | return | |
1394 | ||
1395 | # Cast prefix into an integer | |
1396 | try: | |
1397 | prefix = int(prefix) | |
1398 | except: | |
1399 | log.warning("Invalid prefix: %s" % prefix) | |
7177031f | 1400 | return |
429a43d1 MT |
1401 | |
1402 | # Fix prefix length for IPv4 | |
1403 | if type == "ipv4": | |
1404 | prefix = 32 - int(math.log(prefix, 2)) | |
1405 | ||
1406 | # Try to parse the address | |
1407 | try: | |
1408 | network = ipaddress.ip_network("%s/%s" % (address, prefix), strict=False) | |
1409 | except ValueError: | |
1410 | log.warning("Invalid IP address: %s" % address) | |
1411 | return | |
1412 | ||
bd341642 PM |
1413 | if not self._check_parsed_network(network): |
1414 | return | |
1415 | ||
4b931f6c MT |
1416 | self.db.execute(""" |
1417 | INSERT INTO | |
1418 | networks | |
1419 | ( | |
1420 | network, | |
1421 | country, | |
1422 | original_countries, | |
1423 | source | |
1424 | ) | |
1425 | VALUES | |
1426 | ( | |
1427 | %s, %s, %s, %s | |
1428 | ) | |
1429 | ON CONFLICT (network) | |
1430 | DO UPDATE SET country = excluded.country | |
60f09cda | 1431 | """, "%s" % network, country_code, [country_code], source_key, |
6ffd06b5 MT |
1432 | ) |
1433 | ||
98d9079b | 1434 | async def handle_update_announcements(self, ns): |
83d61c46 MT |
1435 | server = ns.server[0] |
1436 | ||
22d8d199 MT |
1437 | with self.db.transaction(): |
1438 | if server.startswith("/"): | |
98d9079b | 1439 | await self._handle_update_announcements_from_bird(server) |
22d8d199 MT |
1440 | |
1441 | # Purge anything we never want here | |
1442 | self.db.execute(""" | |
1443 | -- Delete default routes | |
1444 | DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0'; | |
1445 | ||
1446 | -- Delete anything that is not global unicast address space | |
1447 | DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3'; | |
1448 | ||
1449 | -- DELETE "current network" address space | |
1450 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8'; | |
1451 | ||
1452 | -- DELETE local loopback address space | |
1453 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8'; | |
1454 | ||
1455 | -- DELETE RFC 1918 address space | |
1456 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8'; | |
1457 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12'; | |
1458 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16'; | |
1459 | ||
1460 | -- DELETE test, benchmark and documentation address space | |
1461 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24'; | |
1462 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24'; | |
1463 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15'; | |
1464 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24'; | |
1465 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24'; | |
1466 | ||
1467 | -- DELETE CGNAT address space (RFC 6598) | |
1468 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10'; | |
1469 | ||
1470 | -- DELETE link local address space | |
1471 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16'; | |
1472 | ||
b4d5b2a6 | 1473 | -- DELETE IPv6 to IPv4 (6to4) address space (RFC 3068) |
22d8d199 | 1474 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24'; |
b4d5b2a6 | 1475 | DELETE FROM announcements WHERE family(network) = 6 AND network <<= '2002::/16'; |
22d8d199 MT |
1476 | |
1477 | -- DELETE multicast and reserved address space | |
1478 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4'; | |
1479 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4'; | |
1480 | ||
1481 | -- Delete networks that are too small to be in the global routing table | |
1482 | DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48; | |
1483 | DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24; | |
1484 | ||
1485 | -- Delete any non-public or reserved ASNs | |
1486 | DELETE FROM announcements WHERE NOT ( | |
1487 | (autnum >= 1 AND autnum <= 23455) | |
1488 | OR | |
1489 | (autnum >= 23457 AND autnum <= 64495) | |
1490 | OR | |
1491 | (autnum >= 131072 AND autnum <= 4199999999) | |
1492 | ); | |
1493 | ||
1494 | -- Delete everything that we have not seen for 14 days | |
1495 | DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days'; | |
1496 | """) | |
1497 | ||
98d9079b | 1498 | async def _handle_update_announcements_from_bird(self, server): |
22d8d199 | 1499 | # Pre-compile the regular expression for faster searching |
35e5f041 | 1500 | route = re.compile(b"^\s(.+?)\s+.+?\[(?:AS(.*?))?.\]$") |
22d8d199 MT |
1501 | |
1502 | log.info("Requesting routing table from Bird (%s)" % server) | |
1503 | ||
35e5f041 MT |
1504 | aggregated_networks = [] |
1505 | ||
22d8d199 MT |
1506 | # Send command to list all routes |
1507 | for line in self._bird_cmd(server, "show route"): | |
1508 | m = route.match(line) | |
1509 | if not m: | |
b767db8d MT |
1510 | # Skip empty lines |
1511 | if not line: | |
1512 | pass | |
1513 | ||
45fa97cd | 1514 | # Ignore any header lines with the name of the routing table |
b767db8d MT |
1515 | elif line.startswith(b"Table"): |
1516 | pass | |
45fa97cd MT |
1517 | |
1518 | # Log anything else | |
b767db8d MT |
1519 | else: |
1520 | log.debug("Could not parse line: %s" % line.decode()) | |
1521 | ||
22d8d199 MT |
1522 | continue |
1523 | ||
1524 | # Fetch the extracted network and ASN | |
1525 | network, autnum = m.groups() | |
1526 | ||
35e5f041 MT |
1527 | # Decode into strings |
1528 | if network: | |
1529 | network = network.decode() | |
1530 | if autnum: | |
1531 | autnum = autnum.decode() | |
1532 | ||
1533 | # Collect all aggregated networks | |
1534 | if not autnum: | |
1535 | log.debug("%s is an aggregated network" % network) | |
1536 | aggregated_networks.append(network) | |
1537 | continue | |
1538 | ||
22d8d199 MT |
1539 | # Insert it into the database |
1540 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
1541 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
1542 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
35e5f041 | 1543 | network, autnum, |
22d8d199 MT |
1544 | ) |
1545 | ||
35e5f041 MT |
1546 | # Process any aggregated networks |
1547 | for network in aggregated_networks: | |
1548 | log.debug("Processing aggregated network %s" % network) | |
1549 | ||
1550 | # Run "show route all" for each network | |
1551 | for line in self._bird_cmd(server, "show route %s all" % network): | |
1552 | # Try finding the path | |
1553 | m = re.match(b"\s+BGP\.as_path:.* (\d+) {\d+}$", line) | |
1554 | if m: | |
1555 | # Select the last AS number in the path | |
1556 | autnum = m.group(1).decode() | |
1557 | ||
1558 | # Insert it into the database | |
1559 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
1560 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
1561 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
1562 | network, autnum, | |
1563 | ) | |
1564 | ||
1565 | # We don't need to process any more | |
1566 | break | |
1567 | ||
22d8d199 MT |
1568 | def _bird_cmd(self, socket_path, command): |
1569 | # Connect to the socket | |
1570 | s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) | |
1571 | s.connect(socket_path) | |
cedee656 | 1572 | |
22d8d199 MT |
1573 | # Allocate some buffer |
1574 | buffer = b"" | |
83d61c46 | 1575 | |
bbcefb38 MT |
1576 | log.debug("Sending Bird command: %s" % command) |
1577 | ||
22d8d199 MT |
1578 | # Send the command |
1579 | s.send(b"%s\n" % command.encode()) | |
209c04b6 | 1580 | |
22d8d199 MT |
1581 | while True: |
1582 | # Fill up the buffer | |
1583 | buffer += s.recv(4096) | |
209c04b6 | 1584 | |
22d8d199 MT |
1585 | while True: |
1586 | # Search for the next newline | |
1587 | pos = buffer.find(b"\n") | |
209c04b6 | 1588 | |
22d8d199 MT |
1589 | # If we cannot find one, we go back and read more data |
1590 | if pos <= 0: | |
1591 | break | |
209c04b6 | 1592 | |
22d8d199 MT |
1593 | # Cut after the newline character |
1594 | pos += 1 | |
b89cee80 | 1595 | |
22d8d199 MT |
1596 | # Split the line we want and keep the rest in buffer |
1597 | line, buffer = buffer[:pos], buffer[pos:] | |
83d61c46 | 1598 | |
bbcefb38 MT |
1599 | # Try parsing any status lines |
1600 | if len(line) > 4 and line[:4].isdigit() and line[4] in (32, 45): | |
1601 | code, delim, line = int(line[:4]), line[4], line[5:] | |
1602 | ||
1603 | log.debug("Received response code %s from bird" % code) | |
1604 | ||
1605 | # End of output | |
1606 | if code == 0: | |
1607 | return | |
1608 | ||
1609 | # Ignore hello line | |
1610 | elif code == 1: | |
1611 | continue | |
83d61c46 | 1612 | |
22d8d199 MT |
1613 | # Otherwise return the line |
1614 | yield line | |
83d61c46 | 1615 | |
98d9079b | 1616 | async def handle_update_geofeeds(self, ns): |
ef8d1f67 MT |
1617 | # Sync geofeeds |
1618 | with self.db.transaction(): | |
1619 | # Delete all geofeeds which are no longer linked | |
1620 | self.db.execute(""" | |
1621 | DELETE FROM | |
1622 | geofeeds | |
1623 | WHERE | |
3efe0297 | 1624 | geofeeds.url NOT IN ( |
ef8d1f67 | 1625 | SELECT |
3efe0297 | 1626 | network_geofeeds.url |
ef8d1f67 MT |
1627 | FROM |
1628 | network_geofeeds | |
3efe0297 MT |
1629 | |
1630 | UNION | |
1631 | ||
1632 | SELECT | |
1633 | geofeed_overrides.url | |
1634 | FROM | |
1635 | geofeed_overrides | |
1636 | ) | |
1637 | """, | |
ef8d1f67 MT |
1638 | ) |
1639 | ||
1640 | # Copy all geofeeds | |
1641 | self.db.execute(""" | |
3efe0297 MT |
1642 | WITH all_geofeeds AS ( |
1643 | SELECT | |
1644 | network_geofeeds.url | |
1645 | FROM | |
1646 | network_geofeeds | |
1647 | ||
1648 | UNION | |
1649 | ||
1650 | SELECT | |
1651 | geofeed_overrides.url | |
1652 | FROM | |
1653 | geofeed_overrides | |
1654 | ) | |
ef8d1f67 | 1655 | INSERT INTO |
3efe0297 MT |
1656 | geofeeds |
1657 | ( | |
1658 | url | |
1659 | ) | |
ef8d1f67 MT |
1660 | SELECT |
1661 | url | |
1662 | FROM | |
3efe0297 | 1663 | all_geofeeds |
ef8d1f67 MT |
1664 | ON CONFLICT (url) |
1665 | DO NOTHING | |
1666 | """, | |
1667 | ) | |
1668 | ||
0fcdd689 MT |
1669 | # Fetch all Geofeeds that require an update |
1670 | geofeeds = self.db.query(""" | |
1671 | SELECT | |
1672 | id, | |
1673 | url | |
1674 | FROM | |
1675 | geofeeds | |
1676 | WHERE | |
1677 | updated_at IS NULL | |
1678 | OR | |
1679 | updated_at <= CURRENT_TIMESTAMP - INTERVAL '1 week' | |
1680 | ORDER BY | |
1681 | id | |
1682 | """) | |
1683 | ||
98d9079b MT |
1684 | ratelimiter = asyncio.Semaphore(32) |
1685 | ||
430c51c2 | 1686 | # Update all geofeeds |
98d9079b MT |
1687 | async with asyncio.TaskGroup() as tasks: |
1688 | for geofeed in geofeeds: | |
1689 | task = tasks.create_task( | |
1690 | self._fetch_geofeed(ratelimiter, geofeed), | |
1691 | ) | |
0fcdd689 | 1692 | |
a4e50c7a MT |
1693 | # Delete data from any feeds that did not update in the last two weeks |
1694 | with self.db.transaction(): | |
1695 | self.db.execute(""" | |
1696 | DELETE FROM | |
1697 | geofeed_networks | |
1698 | WHERE | |
1699 | geofeed_networks.geofeed_id IN ( | |
1700 | SELECT | |
1701 | geofeeds.id | |
1702 | FROM | |
1703 | geofeeds | |
1704 | WHERE | |
1705 | updated_at IS NULL | |
1706 | OR | |
1707 | updated_at <= CURRENT_TIMESTAMP - INTERVAL '2 weeks' | |
1708 | ) | |
1709 | """) | |
1710 | ||
98d9079b MT |
1711 | async def _fetch_geofeed(self, ratelimiter, geofeed): |
1712 | async with ratelimiter: | |
1713 | log.debug("Fetching Geofeed %s" % geofeed.url) | |
0fcdd689 | 1714 | |
98d9079b MT |
1715 | with self.db.transaction(): |
1716 | # Open the URL | |
1717 | try: | |
1718 | # Send the request | |
1719 | f = await asyncio.to_thread( | |
776226b6 MT |
1720 | self.downloader.retrieve, |
1721 | ||
1722 | # Fetch the feed by its URL | |
1723 | geofeed.url, | |
1724 | ||
1725 | # Send some extra headers | |
98d9079b MT |
1726 | headers={ |
1727 | "User-Agent" : "location/%s" % location.__version__, | |
1728 | ||
1729 | # We expect some plain text file in CSV format | |
1730 | "Accept" : "text/csv, text/plain", | |
1731 | }, | |
1732 | ||
1733 | # Don't wait longer than 10 seconds for a response | |
776226b6 | 1734 | timeout=10, |
98d9079b | 1735 | ) |
0fcdd689 | 1736 | |
98d9079b MT |
1737 | # Remove any previous data |
1738 | self.db.execute("DELETE FROM geofeed_networks \ | |
1739 | WHERE geofeed_id = %s", geofeed.id) | |
0fcdd689 | 1740 | |
98d9079b | 1741 | lineno = 0 |
0fcdd689 | 1742 | |
98d9079b | 1743 | # Read the output line by line |
c86209e2 MT |
1744 | with self.db.pipeline(): |
1745 | for line in f: | |
1746 | lineno += 1 | |
0fcdd689 | 1747 | |
c86209e2 MT |
1748 | try: |
1749 | line = line.decode() | |
5e632485 | 1750 | |
c86209e2 MT |
1751 | # Ignore any lines we cannot decode |
1752 | except UnicodeDecodeError: | |
1753 | log.debug("Could not decode line %s in %s" \ | |
1754 | % (lineno, geofeed.url)) | |
1755 | continue | |
56f147ce | 1756 | |
c86209e2 MT |
1757 | # Strip any newline |
1758 | line = line.rstrip() | |
0fcdd689 | 1759 | |
c86209e2 MT |
1760 | # Skip empty lines |
1761 | if not line: | |
1762 | continue | |
0fcdd689 | 1763 | |
c86209e2 MT |
1764 | # Skip comments |
1765 | elif line.startswith("#"): | |
1766 | continue | |
990b3ad4 | 1767 | |
c86209e2 MT |
1768 | # Try to parse the line |
1769 | try: | |
1770 | fields = line.split(",", 5) | |
1771 | except ValueError: | |
1772 | log.debug("Could not parse line: %s" % line) | |
1773 | continue | |
0fcdd689 | 1774 | |
c86209e2 MT |
1775 | # Check if we have enough fields |
1776 | if len(fields) < 4: | |
1777 | log.debug("Not enough fields in line: %s" % line) | |
1778 | continue | |
0fcdd689 | 1779 | |
c86209e2 MT |
1780 | # Fetch all fields |
1781 | network, country, region, city, = fields[:4] | |
0fcdd689 | 1782 | |
c86209e2 MT |
1783 | # Try to parse the network |
1784 | try: | |
1785 | network = ipaddress.ip_network(network, strict=False) | |
1786 | except ValueError: | |
1787 | log.debug("Could not parse network: %s" % network) | |
1788 | continue | |
1789 | ||
1790 | # Strip any excess whitespace from country codes | |
1791 | country = country.strip() | |
1792 | ||
1793 | # Make the country code uppercase | |
1794 | country = country.upper() | |
1795 | ||
1796 | # Check the country code | |
1797 | if not country: | |
1798 | log.debug("Empty country code in Geofeed %s line %s" \ | |
1799 | % (geofeed.url, lineno)) | |
1800 | continue | |
1801 | ||
1802 | elif not location.country_code_is_valid(country): | |
1803 | log.debug("Invalid country code in Geofeed %s:%s: %s" \ | |
1804 | % (geofeed.url, lineno, country)) | |
1805 | continue | |
1806 | ||
1807 | # Write this into the database | |
1808 | self.db.execute(""" | |
1809 | INSERT INTO | |
1810 | geofeed_networks ( | |
1811 | geofeed_id, | |
1812 | network, | |
1813 | country, | |
1814 | region, | |
1815 | city | |
1816 | ) | |
1817 | VALUES (%s, %s, %s, %s, %s)""", | |
1818 | geofeed.id, | |
1819 | "%s" % network, | |
1820 | country, | |
1821 | region, | |
1822 | city, | |
1823 | ) | |
0fcdd689 | 1824 | |
98d9079b MT |
1825 | # Catch any HTTP errors |
1826 | except urllib.request.HTTPError as e: | |
1827 | self.db.execute("UPDATE geofeeds SET status = %s, error = %s \ | |
1828 | WHERE id = %s", e.code, "%s" % e, geofeed.id) | |
4ed16a14 | 1829 | |
98d9079b MT |
1830 | # Remove any previous data when the feed has been deleted |
1831 | if e.code == 404: | |
1832 | self.db.execute("DELETE FROM geofeed_networks \ | |
1833 | WHERE geofeed_id = %s", geofeed.id) | |
72908243 | 1834 | |
98d9079b MT |
1835 | # Catch any other errors and connection timeouts |
1836 | except (http.client.InvalidURL, urllib.request.URLError, TimeoutError) as e: | |
1837 | log.debug("Could not fetch URL %s: %s" % (geofeed.url, e)) | |
5e632485 | 1838 | |
98d9079b MT |
1839 | self.db.execute("UPDATE geofeeds SET status = %s, error = %s \ |
1840 | WHERE id = %s", 599, "%s" % e, geofeed.id) | |
0fcdd689 | 1841 | |
98d9079b MT |
1842 | # Mark the geofeed as updated |
1843 | else: | |
81b28603 | 1844 | self.db.execute(""" |
98d9079b MT |
1845 | UPDATE |
1846 | geofeeds | |
1847 | SET | |
1848 | updated_at = CURRENT_TIMESTAMP, | |
1849 | status = NULL, | |
1850 | error = NULL | |
1851 | WHERE | |
1852 | id = %s""", | |
81b28603 | 1853 | geofeed.id, |
81b28603 | 1854 | ) |
0fcdd689 | 1855 | |
98d9079b | 1856 | async def handle_update_overrides(self, ns): |
d7fc3057 | 1857 | with self.db.transaction(): |
667ad134 MT |
1858 | # Drop any previous content |
1859 | self.db.execute("TRUNCATE TABLE autnum_overrides") | |
3efe0297 | 1860 | self.db.execute("TRUNCATE TABLE geofeed_overrides") |
667ad134 | 1861 | self.db.execute("TRUNCATE TABLE network_overrides") |
d7fc3057 MT |
1862 | |
1863 | for file in ns.files: | |
1864 | log.info("Reading %s..." % file) | |
1865 | ||
1866 | with open(file, "rb") as f: | |
8c3529c7 | 1867 | for type, block in read_blocks(f): |
d7fc3057 MT |
1868 | if type == "net": |
1869 | network = block.get("net") | |
1870 | # Try to parse and normalise the network | |
1871 | try: | |
1872 | network = ipaddress.ip_network(network, strict=False) | |
1873 | except ValueError as e: | |
1874 | log.warning("Invalid IP network: %s: %s" % (network, e)) | |
1875 | continue | |
1876 | ||
94dfab8c MT |
1877 | # Prevent that we overwrite all networks |
1878 | if network.prefixlen == 0: | |
1879 | log.warning("Skipping %s: You cannot overwrite default" % network) | |
1880 | continue | |
1881 | ||
d7fc3057 | 1882 | self.db.execute(""" |
667ad134 MT |
1883 | INSERT INTO |
1884 | network_overrides | |
1885 | ( | |
d7fc3057 MT |
1886 | network, |
1887 | country, | |
1888 | is_anonymous_proxy, | |
1889 | is_satellite_provider, | |
e17e804e PM |
1890 | is_anycast, |
1891 | is_drop | |
667ad134 MT |
1892 | ) |
1893 | VALUES | |
1894 | ( | |
1895 | %s, %s, %s, %s, %s, %s | |
1896 | ) | |
1897 | ON CONFLICT (network) DO NOTHING | |
1898 | """, | |
d7fc3057 MT |
1899 | "%s" % network, |
1900 | block.get("country"), | |
28d29b7c MT |
1901 | self._parse_bool(block, "is-anonymous-proxy"), |
1902 | self._parse_bool(block, "is-satellite-provider"), | |
1903 | self._parse_bool(block, "is-anycast"), | |
e17e804e | 1904 | self._parse_bool(block, "drop"), |
d7fc3057 MT |
1905 | ) |
1906 | ||
f476cdfd MT |
1907 | elif type == "aut-num": |
1908 | autnum = block.get("aut-num") | |
d7fc3057 MT |
1909 | |
1910 | # Check if AS number begins with "AS" | |
1911 | if not autnum.startswith("AS"): | |
1912 | log.warning("Invalid AS number: %s" % autnum) | |
1913 | continue | |
1914 | ||
1915 | # Strip "AS" | |
1916 | autnum = autnum[2:] | |
1917 | ||
1918 | self.db.execute(""" | |
667ad134 MT |
1919 | INSERT INTO |
1920 | autnum_overrides | |
1921 | ( | |
d7fc3057 MT |
1922 | number, |
1923 | name, | |
bd1aa6a1 | 1924 | country, |
d7fc3057 MT |
1925 | is_anonymous_proxy, |
1926 | is_satellite_provider, | |
e17e804e PM |
1927 | is_anycast, |
1928 | is_drop | |
667ad134 MT |
1929 | ) |
1930 | VALUES | |
1931 | ( | |
1932 | %s, %s, %s, %s, %s, %s, %s | |
1933 | ) | |
1934 | ON CONFLICT (number) DO NOTHING | |
1935 | """, | |
bd1aa6a1 MT |
1936 | autnum, |
1937 | block.get("name"), | |
1938 | block.get("country"), | |
28d29b7c MT |
1939 | self._parse_bool(block, "is-anonymous-proxy"), |
1940 | self._parse_bool(block, "is-satellite-provider"), | |
1941 | self._parse_bool(block, "is-anycast"), | |
e17e804e | 1942 | self._parse_bool(block, "drop"), |
d7fc3057 MT |
1943 | ) |
1944 | ||
3efe0297 MT |
1945 | # Geofeeds |
1946 | elif type == "geofeed": | |
1947 | url = block.get("geofeed") | |
1948 | ||
2aeec4ce MT |
1949 | # Parse the URL |
1950 | try: | |
1951 | url = urllib.parse.urlparse(url) | |
1952 | except ValueError as e: | |
1953 | log.warning("Skipping invalid URL %s: %s" % (url, e)) | |
1954 | continue | |
1955 | ||
1956 | # Make sure that this is a HTTPS URL | |
1957 | if not url.scheme == "https": | |
1958 | log.warning("Skipping Geofeed URL that is not using HTTPS: %s" \ | |
1959 | % url.geturl()) | |
1960 | continue | |
1961 | ||
1962 | # Normalize the URL and convert it back | |
1963 | url = url.geturl() | |
3efe0297 MT |
1964 | |
1965 | self.db.execute(""" | |
1966 | INSERT INTO | |
1967 | geofeed_overrides | |
1968 | ( | |
1969 | url | |
1970 | ) | |
1971 | VALUES | |
1972 | ( | |
1973 | %s | |
1974 | ) | |
1975 | ON CONFLICT (url) DO NOTHING | |
1976 | """, url, | |
1977 | ) | |
1978 | ||
d7fc3057 | 1979 | else: |
03d24a9b | 1980 | log.warning("Unsupported type: %s" % type) |
d7fc3057 | 1981 | |
98d9079b | 1982 | async def handle_update_feeds(self, ns): |
93aad7f7 MT |
1983 | """ |
1984 | Update any third-party feeds | |
1985 | """ | |
a775372b MT |
1986 | success = True |
1987 | ||
a775372b MT |
1988 | feeds = ( |
1989 | # AWS IP Ranges | |
1990 | ("AWS-IP-RANGES", self._import_aws_ip_ranges, "https://ip-ranges.amazonaws.com/ip-ranges.json"), | |
377cead4 MT |
1991 | |
1992 | # Spamhaus DROP | |
1993 | ("SPAMHAUS-DROP", self._import_spamhaus_drop, "https://www.spamhaus.org/drop/drop.txt"), | |
1994 | ("SPAMHAUS-EDROP", self._import_spamhaus_drop, "https://www.spamhaus.org/drop/edrop.txt"), | |
1995 | ("SPAMHAUS-DROPV6", self._import_spamhaus_drop, "https://www.spamhaus.org/drop/dropv6.txt"), | |
5dcda5c8 MT |
1996 | |
1997 | # Spamhaus ASNDROP | |
1998 | ("SPAMHAUS-ASNDROP", self._import_spamhaus_asndrop, "https://www.spamhaus.org/drop/asndrop.json"), | |
a775372b | 1999 | ) |
659c2810 MT |
2000 | |
2001 | # Drop any data from feeds that we don't support (any more) | |
2002 | with self.db.transaction(): | |
2003 | # Fetch the names of all feeds we support | |
2004 | sources = [name for name, *rest in feeds] | |
2005 | ||
2006 | self.db.execute("DELETE FROM autnum_feeds WHERE NOT source = ANY(%s)", sources) | |
2007 | self.db.execute("DELETE FROM network_feeds WHERE NOT source = ANY(%s)", sources) | |
a775372b MT |
2008 | |
2009 | # Walk through all feeds | |
2010 | for name, callback, url, *args in feeds: | |
f7f8e714 MT |
2011 | # Skip any feeds that were not requested on the command line |
2012 | if ns.feeds and not name in ns.feeds: | |
2013 | continue | |
2014 | ||
a775372b | 2015 | try: |
98d9079b | 2016 | await self._process_feed(name, callback, url, *args) |
a775372b MT |
2017 | |
2018 | # Log an error but continue if an exception occurs | |
2019 | except Exception as e: | |
2020 | log.error("Error processing feed '%s': %s" % (name, e)) | |
2021 | success = False | |
93aad7f7 | 2022 | |
a775372b MT |
2023 | # Return status |
2024 | return 0 if success else 1 | |
dcef2ba4 | 2025 | |
98d9079b | 2026 | async def _process_feed(self, name, callback, url, *args): |
a775372b MT |
2027 | """ |
2028 | Processes one feed | |
2029 | """ | |
2030 | # Open the URL | |
335946c0 | 2031 | f = self.downloader.retrieve(url) |
85e44d9a | 2032 | |
a775372b MT |
2033 | with self.db.transaction(): |
2034 | # Drop any previous content | |
2035 | self.db.execute("DELETE FROM autnum_feeds WHERE source = %s", name) | |
2036 | self.db.execute("DELETE FROM network_feeds WHERE source = %s", name) | |
dcef2ba4 | 2037 | |
a775372b | 2038 | # Call the callback to process the feed |
c86209e2 MT |
2039 | with self.db.pipeline(): |
2040 | return await callback(name, f, *args) | |
a775372b | 2041 | |
98d9079b | 2042 | async def _import_aws_ip_ranges(self, name, f): |
a775372b | 2043 | # Parse the feed |
c30e421e | 2044 | feed = json.load(f) |
68fdeb3b | 2045 | |
99e4a4eb | 2046 | # Set up a dictionary for mapping a region name to a country. Unfortunately, |
dcef2ba4 PM |
2047 | # there seems to be no machine-readable version available of this other than |
2048 | # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html | |
2049 | # (worse, it seems to be incomplete :-/ ); https://www.cloudping.cloud/endpoints | |
2050 | # was helpful here as well. | |
2051 | aws_region_country_map = { | |
99e4a4eb MT |
2052 | # Africa |
2053 | "af-south-1" : "ZA", | |
2054 | ||
2055 | # Asia | |
2056 | "il-central-1" : "IL", # Tel Aviv | |
2057 | ||
2058 | # Asia/Pacific | |
2059 | "ap-northeast-1" : "JP", | |
2060 | "ap-northeast-2" : "KR", | |
2061 | "ap-northeast-3" : "JP", | |
2062 | "ap-east-1" : "HK", | |
2063 | "ap-south-1" : "IN", | |
2064 | "ap-south-2" : "IN", | |
2065 | "ap-southeast-1" : "SG", | |
2066 | "ap-southeast-2" : "AU", | |
2067 | "ap-southeast-3" : "MY", | |
2068 | "ap-southeast-4" : "AU", | |
2069 | "ap-southeast-5" : "NZ", # Auckland, NZ | |
2070 | "ap-southeast-6" : "AP", # XXX: Precise location not documented anywhere | |
2071 | ||
2072 | # Canada | |
2073 | "ca-central-1" : "CA", | |
2074 | "ca-west-1" : "CA", | |
2075 | ||
2076 | # Europe | |
2077 | "eu-central-1" : "DE", | |
2078 | "eu-central-2" : "CH", | |
2079 | "eu-north-1" : "SE", | |
2080 | "eu-west-1" : "IE", | |
2081 | "eu-west-2" : "GB", | |
2082 | "eu-west-3" : "FR", | |
2083 | "eu-south-1" : "IT", | |
2084 | "eu-south-2" : "ES", | |
2085 | ||
2086 | # Middle East | |
2087 | "me-central-1" : "AE", | |
2088 | "me-south-1" : "BH", | |
2089 | ||
2090 | # South America | |
2091 | "sa-east-1" : "BR", | |
2092 | ||
2093 | # Undocumented, likely located in Berlin rather than Frankfurt | |
2094 | "eusc-de-east-1" : "DE", | |
2095 | } | |
dcef2ba4 | 2096 | |
c30e421e MT |
2097 | # Collect a list of all networks |
2098 | prefixes = feed.get("ipv6_prefixes", []) + feed.get("prefixes", []) | |
dcef2ba4 | 2099 | |
c30e421e MT |
2100 | for prefix in prefixes: |
2101 | # Fetch network | |
2102 | network = prefix.get("ipv6_prefix") or prefix.get("ip_prefix") | |
2103 | ||
2104 | # Parse the network | |
a775372b | 2105 | try: |
c30e421e MT |
2106 | network = ipaddress.ip_network(network) |
2107 | except ValuleError as e: | |
2108 | log.warning("%s: Unable to parse prefix %s" % (name, network)) | |
a775372b | 2109 | continue |
dcef2ba4 | 2110 | |
a775372b MT |
2111 | # Sanitize parsed networks... |
2112 | if not self._check_parsed_network(network): | |
2113 | continue | |
dcef2ba4 | 2114 | |
c30e421e MT |
2115 | # Fetch the region |
2116 | region = prefix.get("region") | |
2117 | ||
2118 | # Set some defaults | |
a775372b MT |
2119 | cc = None |
2120 | is_anycast = False | |
2121 | ||
c30e421e MT |
2122 | # Fetch the CC from the dictionary |
2123 | try: | |
a775372b | 2124 | cc = aws_region_country_map[region] |
dcef2ba4 | 2125 | |
c30e421e MT |
2126 | # If we couldn't find anything, let's try something else... |
2127 | except KeyError as e: | |
2128 | # Find anycast networks | |
2129 | if region == "GLOBAL": | |
2130 | is_anycast = True | |
2131 | ||
2132 | # Everything that starts with us- is probably in the United States | |
2133 | elif region.startswith("us-"): | |
2134 | cc = "US" | |
2135 | ||
2136 | # Everything that starts with cn- is probably China | |
2137 | elif region.startswith("cn-"): | |
2138 | cc = "CN" | |
2139 | ||
2140 | # Log a warning for anything else | |
2141 | else: | |
2142 | log.warning("%s: Could not determine country code for AWS region %s" \ | |
2143 | % (name, region)) | |
2144 | continue | |
dcef2ba4 | 2145 | |
c30e421e | 2146 | # Write to database |
a775372b MT |
2147 | self.db.execute(""" |
2148 | INSERT INTO | |
2149 | network_feeds | |
2150 | ( | |
2151 | network, | |
2152 | source, | |
2153 | country, | |
2154 | is_anycast | |
dcef2ba4 | 2155 | ) |
a775372b MT |
2156 | VALUES |
2157 | ( | |
2158 | %s, %s, %s, %s | |
2159 | ) | |
2160 | ON CONFLICT (network, source) DO NOTHING | |
c30e421e | 2161 | """, "%s" % network, name, cc, is_anycast, |
a775372b | 2162 | ) |
dcef2ba4 | 2163 | |
98d9079b | 2164 | async def _import_spamhaus_drop(self, name, f): |
377cead4 MT |
2165 | """ |
2166 | Import Spamhaus DROP IP feeds | |
2167 | """ | |
2168 | # Count all lines | |
2169 | lines = 0 | |
69b3d894 | 2170 | |
377cead4 MT |
2171 | # Walk through all lines |
2172 | for line in f: | |
2173 | # Decode line | |
2174 | line = line.decode("utf-8") | |
69b3d894 | 2175 | |
377cead4 MT |
2176 | # Strip off any comments |
2177 | line, _, comment = line.partition(";") | |
69b3d894 | 2178 | |
377cead4 MT |
2179 | # Ignore empty lines |
2180 | if not line: | |
2181 | continue | |
85e44d9a | 2182 | |
377cead4 MT |
2183 | # Strip any excess whitespace |
2184 | line = line.strip() | |
69b3d894 | 2185 | |
377cead4 MT |
2186 | # Increment line counter |
2187 | lines += 1 | |
5acac2a4 | 2188 | |
377cead4 MT |
2189 | # Parse the network |
2190 | try: | |
2191 | network = ipaddress.ip_network(line) | |
2192 | except ValueError as e: | |
2193 | log.warning("%s: Could not parse network: %s - %s" % (name, line, e)) | |
2194 | continue | |
69b3d894 | 2195 | |
377cead4 MT |
2196 | # Check network |
2197 | if not self._check_parsed_network(network): | |
2198 | log.warning("%s: Skipping bogus network: %s" % (name, network)) | |
2199 | continue | |
69b3d894 | 2200 | |
377cead4 MT |
2201 | # Insert into the database |
2202 | self.db.execute(""" | |
2203 | INSERT INTO | |
2204 | network_feeds | |
2205 | ( | |
2206 | network, | |
2207 | source, | |
2208 | is_drop | |
2209 | ) | |
2210 | VALUES | |
2211 | ( | |
2212 | %s, %s, %s | |
2213 | )""", "%s" % network, name, True, | |
2214 | ) | |
69b3d894 | 2215 | |
377cead4 MT |
2216 | # Raise an exception if we could not import anything |
2217 | if not lines: | |
2218 | raise RuntimeError("Received bogus feed %s with no data" % name) | |
69b3d894 | 2219 | |
98d9079b | 2220 | async def _import_spamhaus_asndrop(self, name, f): |
5dcda5c8 MT |
2221 | """ |
2222 | Import Spamhaus ASNDROP feed | |
2223 | """ | |
2224 | for line in f: | |
2225 | # Decode the line | |
2226 | line = line.decode("utf-8") | |
5acac2a4 | 2227 | |
5dcda5c8 MT |
2228 | # Parse JSON |
2229 | try: | |
2230 | line = json.loads(line) | |
2231 | except json.JSONDecodeError as e: | |
2232 | log.warning("%s: Unable to parse JSON object %s: %s" % (name, line, e)) | |
2233 | continue | |
69b3d894 | 2234 | |
5dcda5c8 MT |
2235 | # Fetch type |
2236 | type = line.get("type") | |
69b3d894 | 2237 | |
5dcda5c8 MT |
2238 | # Skip any metadata |
2239 | if type == "metadata": | |
2240 | continue | |
69b3d894 | 2241 | |
5dcda5c8 MT |
2242 | # Fetch ASN |
2243 | asn = line.get("asn") | |
69b3d894 | 2244 | |
5dcda5c8 MT |
2245 | # Skip any lines without an ASN |
2246 | if not asn: | |
2247 | continue | |
69b3d894 | 2248 | |
5dcda5c8 MT |
2249 | # Filter invalid ASNs |
2250 | if not self._check_parsed_asn(asn): | |
2251 | log.warning("%s: Skipping bogus ASN %s" % (name, asn)) | |
2252 | continue | |
69b3d894 | 2253 | |
5dcda5c8 MT |
2254 | # Write to database |
2255 | self.db.execute(""" | |
2256 | INSERT INTO | |
2257 | autnum_feeds | |
2258 | ( | |
2259 | number, | |
2260 | source, | |
2261 | is_drop | |
2262 | ) | |
2263 | VALUES | |
2264 | ( | |
2265 | %s, %s, %s | |
2266 | )""", "%s" % asn, name, True, | |
2267 | ) | |
69b3d894 | 2268 | |
28d29b7c MT |
2269 | @staticmethod |
2270 | def _parse_bool(block, key): | |
2271 | val = block.get(key) | |
2272 | ||
2273 | # There is no point to proceed when we got None | |
2274 | if val is None: | |
2275 | return | |
2276 | ||
2277 | # Convert to lowercase | |
2278 | val = val.lower() | |
2279 | ||
2280 | # True | |
2281 | if val in ("yes", "1"): | |
2282 | return True | |
2283 | ||
2284 | # False | |
2285 | if val in ("no", "0"): | |
2286 | return False | |
2287 | ||
2288 | # Default to None | |
2289 | return None | |
2290 | ||
98d9079b | 2291 | async def handle_import_countries(self, ns): |
8084b33a MT |
2292 | with self.db.transaction(): |
2293 | # Drop all data that we have | |
2294 | self.db.execute("TRUNCATE TABLE countries") | |
2295 | ||
2296 | for file in ns.file: | |
2297 | for line in file: | |
2298 | line = line.rstrip() | |
2299 | ||
2300 | # Ignore any comments | |
2301 | if line.startswith("#"): | |
2302 | continue | |
2303 | ||
2304 | try: | |
2305 | country_code, continent_code, name = line.split(maxsplit=2) | |
2306 | except: | |
2307 | log.warning("Could not parse line: %s" % line) | |
2308 | continue | |
2309 | ||
2310 | self.db.execute("INSERT INTO countries(country_code, name, continent_code) \ | |
2311 | VALUES(%s, %s, %s) ON CONFLICT DO NOTHING", country_code, name, continent_code) | |
2312 | ||
6ffd06b5 MT |
2313 | |
2314 | def split_line(line): | |
2315 | key, colon, val = line.partition(":") | |
2316 | ||
2317 | # Strip any excess space | |
2318 | key = key.strip() | |
2319 | val = val.strip() | |
78ff0cf2 | 2320 | |
6ffd06b5 | 2321 | return key, val |
78ff0cf2 | 2322 | |
8c3529c7 MT |
2323 | def read_blocks(f): |
2324 | for block in iterate_over_blocks(f): | |
2325 | type = None | |
2326 | data = {} | |
2327 | ||
2328 | for i, line in enumerate(block): | |
2329 | key, value = line.split(":", 1) | |
2330 | ||
2331 | # The key of the first line defines the type | |
2332 | if i == 0: | |
2333 | type = key | |
2334 | ||
2335 | # Store value | |
2336 | data[key] = value.strip() | |
2337 | ||
2338 | yield type, data | |
2339 | ||
2340 | def iterate_over_blocks(f, charsets=("utf-8", "latin1")): | |
2341 | block = [] | |
2342 | ||
2343 | for line in f: | |
2344 | # Skip commented lines | |
2345 | if line.startswith(b"#") or line.startswith(b"%"): | |
2346 | continue | |
2347 | ||
2348 | # Convert to string | |
2349 | for charset in charsets: | |
2350 | try: | |
2351 | line = line.decode(charset) | |
2352 | except UnicodeDecodeError: | |
2353 | continue | |
2354 | else: | |
2355 | break | |
2356 | ||
2357 | # Remove any comments at the end of line | |
2358 | line, hash, comment = line.partition("#") | |
2359 | ||
2360 | # Strip any whitespace at the end of the line | |
2361 | line = line.rstrip() | |
2362 | ||
2363 | # If we cut off some comment and the line is empty, we can skip it | |
2364 | if comment and not line: | |
2365 | continue | |
2366 | ||
2367 | # If the line has some content, keep collecting it | |
2368 | if line: | |
2369 | block.append(line) | |
2370 | continue | |
2371 | ||
2372 | # End the block on an empty line | |
2373 | if block: | |
2374 | yield block | |
2375 | ||
2376 | # Reset the block | |
2377 | block = [] | |
2378 | ||
2379 | # Return the last block | |
2380 | if block: | |
2381 | yield block | |
2382 | ||
2383 | def iterate_over_lines(f): | |
2384 | for line in f: | |
2385 | # Decode the line | |
2386 | line = line.decode() | |
2387 | ||
2388 | # Strip the ending | |
2389 | yield line.rstrip() | |
2390 | ||
98d9079b | 2391 | async def main(): |
78ff0cf2 MT |
2392 | # Run the command line interface |
2393 | c = CLI() | |
78ff0cf2 | 2394 | |
98d9079b MT |
2395 | await c.run() |
2396 | ||
2397 | asyncio.run(main()) |