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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 | # # | |
6 | # Copyright (C) 2020 IPFire Development Team <info@ipfire.org> # | |
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 | |
6ffd06b5 | 21 | import ipaddress |
78ff0cf2 | 22 | import logging |
6ffd06b5 MT |
23 | import math |
24 | import re | |
78ff0cf2 | 25 | import sys |
83d61c46 | 26 | import telnetlib |
78ff0cf2 MT |
27 | |
28 | # Load our location module | |
29 | import location | |
29c6fa22 | 30 | import location.database |
3192b66c | 31 | import location.importer |
78ff0cf2 MT |
32 | from location.i18n import _ |
33 | ||
34 | # Initialise logging | |
35 | log = logging.getLogger("location.importer") | |
36 | log.propagate = 1 | |
37 | ||
38 | class CLI(object): | |
39 | def parse_cli(self): | |
40 | parser = argparse.ArgumentParser( | |
41 | description=_("Location Importer Command Line Interface"), | |
42 | ) | |
6ffd06b5 | 43 | subparsers = parser.add_subparsers() |
78ff0cf2 MT |
44 | |
45 | # Global configuration flags | |
46 | parser.add_argument("--debug", action="store_true", | |
47 | help=_("Enable debug output")) | |
bc1f5f53 MT |
48 | parser.add_argument("--quiet", action="store_true", |
49 | help=_("Enable quiet mode")) | |
78ff0cf2 MT |
50 | |
51 | # version | |
52 | parser.add_argument("--version", action="version", | |
53 | version="%(prog)s @VERSION@") | |
54 | ||
29c6fa22 MT |
55 | # Database |
56 | parser.add_argument("--database-host", required=True, | |
57 | help=_("Database Hostname"), metavar=_("HOST")) | |
58 | parser.add_argument("--database-name", required=True, | |
59 | help=_("Database Name"), metavar=_("NAME")) | |
60 | parser.add_argument("--database-username", required=True, | |
61 | help=_("Database Username"), metavar=_("USERNAME")) | |
62 | parser.add_argument("--database-password", required=True, | |
63 | help=_("Database Password"), metavar=_("PASSWORD")) | |
64 | ||
0983f3dd MT |
65 | # Write Database |
66 | write = subparsers.add_parser("write", help=_("Write database to file")) | |
67 | write.set_defaults(func=self.handle_write) | |
68 | write.add_argument("file", nargs=1, help=_("Database File")) | |
69 | write.add_argument("--signing-key", nargs="?", type=open, help=_("Signing Key")) | |
1164d876 | 70 | write.add_argument("--backup-signing-key", nargs="?", type=open, help=_("Backup Signing Key")) |
0983f3dd MT |
71 | write.add_argument("--vendor", nargs="?", help=_("Sets the vendor")) |
72 | write.add_argument("--description", nargs="?", help=_("Sets a description")) | |
73 | write.add_argument("--license", nargs="?", help=_("Sets the license")) | |
b904896a | 74 | write.add_argument("--version", type=int, help=_("Database Format Version")) |
0983f3dd | 75 | |
6ffd06b5 MT |
76 | # Update WHOIS |
77 | update_whois = subparsers.add_parser("update-whois", help=_("Update WHOIS Information")) | |
78 | update_whois.set_defaults(func=self.handle_update_whois) | |
79 | ||
83d61c46 MT |
80 | # Update announcements |
81 | update_announcements = subparsers.add_parser("update-announcements", | |
82 | help=_("Update BGP Annoucements")) | |
83 | update_announcements.set_defaults(func=self.handle_update_announcements) | |
84 | update_announcements.add_argument("server", nargs=1, | |
85 | help=_("Route Server to connect to"), metavar=_("SERVER")) | |
86 | ||
d7fc3057 MT |
87 | # Update overrides |
88 | update_overrides = subparsers.add_parser("update-overrides", | |
89 | help=_("Update overrides"), | |
90 | ) | |
91 | update_overrides.add_argument( | |
92 | "files", nargs="+", help=_("Files to import"), | |
93 | ) | |
94 | update_overrides.set_defaults(func=self.handle_update_overrides) | |
95 | ||
8084b33a MT |
96 | # Import countries |
97 | import_countries = subparsers.add_parser("import-countries", | |
98 | help=_("Import countries"), | |
99 | ) | |
100 | import_countries.add_argument("file", nargs=1, type=argparse.FileType("r"), | |
101 | help=_("File to import")) | |
102 | import_countries.set_defaults(func=self.handle_import_countries) | |
103 | ||
78ff0cf2 MT |
104 | args = parser.parse_args() |
105 | ||
bc1f5f53 | 106 | # Configure logging |
78ff0cf2 | 107 | if args.debug: |
f9de5e61 | 108 | location.logger.set_level(logging.DEBUG) |
bc1f5f53 MT |
109 | elif args.quiet: |
110 | location.logger.set_level(logging.WARNING) | |
78ff0cf2 | 111 | |
6ffd06b5 MT |
112 | # Print usage if no action was given |
113 | if not "func" in args: | |
114 | parser.print_usage() | |
115 | sys.exit(2) | |
116 | ||
78ff0cf2 MT |
117 | return args |
118 | ||
119 | def run(self): | |
120 | # Parse command line arguments | |
121 | args = self.parse_cli() | |
122 | ||
29c6fa22 | 123 | # Initialise database |
6ffd06b5 | 124 | self.db = self._setup_database(args) |
29c6fa22 | 125 | |
78ff0cf2 | 126 | # Call function |
6ffd06b5 | 127 | ret = args.func(args) |
78ff0cf2 MT |
128 | |
129 | # Return with exit code | |
130 | if ret: | |
131 | sys.exit(ret) | |
132 | ||
133 | # Otherwise just exit | |
134 | sys.exit(0) | |
135 | ||
29c6fa22 MT |
136 | def _setup_database(self, ns): |
137 | """ | |
138 | Initialise the database | |
139 | """ | |
140 | # Connect to database | |
141 | db = location.database.Connection( | |
142 | host=ns.database_host, database=ns.database_name, | |
143 | user=ns.database_username, password=ns.database_password, | |
144 | ) | |
145 | ||
146 | with db.transaction(): | |
147 | db.execute(""" | |
83d61c46 MT |
148 | -- announcements |
149 | CREATE TABLE IF NOT EXISTS announcements(network inet, autnum bigint, | |
150 | first_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP, | |
151 | last_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP); | |
152 | CREATE UNIQUE INDEX IF NOT EXISTS announcements_networks ON announcements(network); | |
153 | CREATE INDEX IF NOT EXISTS announcements_family ON announcements(family(network)); | |
154 | ||
6ffd06b5 | 155 | -- autnums |
0983f3dd | 156 | CREATE TABLE IF NOT EXISTS autnums(number bigint, name text NOT NULL); |
6ffd06b5 MT |
157 | CREATE UNIQUE INDEX IF NOT EXISTS autnums_number ON autnums(number); |
158 | ||
8084b33a MT |
159 | -- countries |
160 | CREATE TABLE IF NOT EXISTS countries( | |
161 | country_code text NOT NULL, name text NOT NULL, continent_code text NOT NULL); | |
162 | CREATE UNIQUE INDEX IF NOT EXISTS countries_country_code ON countries(country_code); | |
163 | ||
429a43d1 | 164 | -- networks |
83d61c46 | 165 | CREATE TABLE IF NOT EXISTS networks(network inet, country text); |
429a43d1 | 166 | CREATE UNIQUE INDEX IF NOT EXISTS networks_network ON networks(network); |
83d61c46 | 167 | CREATE INDEX IF NOT EXISTS networks_search ON networks USING GIST(network inet_ops); |
d7fc3057 MT |
168 | |
169 | -- overrides | |
170 | CREATE TABLE IF NOT EXISTS autnum_overrides( | |
171 | number bigint NOT NULL, | |
172 | name text, | |
bd1aa6a1 | 173 | country text, |
b8e25b71 MT |
174 | is_anonymous_proxy boolean, |
175 | is_satellite_provider boolean, | |
176 | is_anycast boolean | |
d7fc3057 MT |
177 | ); |
178 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_overrides_number | |
179 | ON autnum_overrides(number); | |
180 | ||
181 | CREATE TABLE IF NOT EXISTS network_overrides( | |
182 | network inet NOT NULL, | |
183 | country text, | |
b8e25b71 MT |
184 | is_anonymous_proxy boolean, |
185 | is_satellite_provider boolean, | |
186 | is_anycast boolean | |
d7fc3057 MT |
187 | ); |
188 | CREATE UNIQUE INDEX IF NOT EXISTS network_overrides_network | |
189 | ON network_overrides(network); | |
29c6fa22 MT |
190 | """) |
191 | ||
192 | return db | |
193 | ||
0983f3dd MT |
194 | def handle_write(self, ns): |
195 | """ | |
196 | Compiles a database in libloc format out of what is in the database | |
197 | """ | |
0983f3dd | 198 | # Allocate a writer |
1164d876 | 199 | writer = location.Writer(ns.signing_key, ns.backup_signing_key) |
0983f3dd MT |
200 | |
201 | # Set all metadata | |
202 | if ns.vendor: | |
203 | writer.vendor = ns.vendor | |
204 | ||
205 | if ns.description: | |
206 | writer.description = ns.description | |
207 | ||
208 | if ns.license: | |
209 | writer.license = ns.license | |
210 | ||
211 | # Add all Autonomous Systems | |
212 | log.info("Writing Autonomous Systems...") | |
213 | ||
214 | # Select all ASes with a name | |
6e97c44b MT |
215 | rows = self.db.query(""" |
216 | SELECT | |
217 | autnums.number AS number, | |
218 | COALESCE( | |
219 | (SELECT overrides.name FROM autnum_overrides overrides | |
220 | WHERE overrides.number = autnums.number), | |
221 | autnums.name | |
222 | ) AS name | |
223 | FROM autnums | |
224 | WHERE name <> %s ORDER BY number | |
225 | """, "") | |
0983f3dd MT |
226 | |
227 | for row in rows: | |
228 | a = writer.add_as(row.number) | |
229 | a.name = row.name | |
230 | ||
231 | # Add all networks | |
232 | log.info("Writing networks...") | |
233 | ||
234 | # Select all known networks | |
235 | rows = self.db.query(""" | |
5372d9c7 MT |
236 | -- Get a (sorted) list of all known networks |
237 | WITH known_networks AS ( | |
238 | SELECT network FROM announcements | |
239 | UNION | |
240 | SELECT network FROM networks | |
241 | ORDER BY network | |
242 | ) | |
243 | ||
244 | -- Return a list of those networks enriched with all | |
245 | -- other information that we store in the database | |
0983f3dd | 246 | SELECT |
5372d9c7 MT |
247 | DISTINCT ON (known_networks.network) |
248 | known_networks.network AS network, | |
0983f3dd | 249 | announcements.autnum AS autnum, |
bd1aa6a1 MT |
250 | |
251 | -- Country | |
252 | COALESCE( | |
253 | ( | |
254 | SELECT country FROM network_overrides overrides | |
255 | WHERE announcements.network <<= overrides.network | |
256 | ORDER BY masklen(overrides.network) DESC | |
257 | LIMIT 1 | |
258 | ), | |
259 | ( | |
260 | SELECT country FROM autnum_overrides overrides | |
261 | WHERE announcements.autnum = overrides.number | |
262 | ), | |
263 | networks.country | |
264 | ) AS country, | |
8e8555bb | 265 | |
0983f3dd | 266 | -- Flags |
1422b5d4 MT |
267 | COALESCE( |
268 | ( | |
269 | SELECT is_anonymous_proxy FROM network_overrides overrides | |
270 | WHERE announcements.network <<= overrides.network | |
271 | ORDER BY masklen(overrides.network) DESC | |
272 | LIMIT 1 | |
273 | ), | |
274 | ( | |
275 | SELECT is_anonymous_proxy FROM autnum_overrides overrides | |
276 | WHERE announcements.autnum = overrides.number | |
b8e25b71 MT |
277 | ), |
278 | FALSE | |
1422b5d4 MT |
279 | ) AS is_anonymous_proxy, |
280 | COALESCE( | |
281 | ( | |
282 | SELECT is_satellite_provider FROM network_overrides overrides | |
283 | WHERE announcements.network <<= overrides.network | |
284 | ORDER BY masklen(overrides.network) DESC | |
285 | LIMIT 1 | |
286 | ), | |
287 | ( | |
288 | SELECT is_satellite_provider FROM autnum_overrides overrides | |
289 | WHERE announcements.autnum = overrides.number | |
b8e25b71 MT |
290 | ), |
291 | FALSE | |
1422b5d4 MT |
292 | ) AS is_satellite_provider, |
293 | COALESCE( | |
294 | ( | |
295 | SELECT is_anycast FROM network_overrides overrides | |
296 | WHERE announcements.network <<= overrides.network | |
297 | ORDER BY masklen(overrides.network) DESC | |
298 | LIMIT 1 | |
299 | ), | |
300 | ( | |
301 | SELECT is_anycast FROM autnum_overrides overrides | |
302 | WHERE announcements.autnum = overrides.number | |
b8e25b71 MT |
303 | ), |
304 | FALSE | |
5372d9c7 MT |
305 | ) AS is_anycast, |
306 | ||
307 | -- Must be part of returned values for ORDER BY clause | |
17d49c4f MT |
308 | masklen(announcements.network) AS sort_a, |
309 | masklen(networks.network) AS sort_b | |
5372d9c7 MT |
310 | FROM known_networks |
311 | LEFT JOIN announcements ON known_networks.network <<= announcements.network | |
312 | LEFT JOIN networks ON known_networks.network <<= networks.network | |
17d49c4f | 313 | ORDER BY known_networks.network, sort_a DESC, sort_b DESC |
0983f3dd MT |
314 | """) |
315 | ||
316 | for row in rows: | |
317 | network = writer.add_network(row.network) | |
318 | ||
5372d9c7 MT |
319 | # Save country |
320 | if row.country: | |
321 | network.country_code = row.country | |
322 | ||
323 | # Save ASN | |
324 | if row.autnum: | |
325 | network.asn = row.autnum | |
0983f3dd MT |
326 | |
327 | # Set flags | |
328 | if row.is_anonymous_proxy: | |
329 | network.set_flag(location.NETWORK_FLAG_ANONYMOUS_PROXY) | |
330 | ||
331 | if row.is_satellite_provider: | |
332 | network.set_flag(location.NETWORK_FLAG_SATELLITE_PROVIDER) | |
333 | ||
334 | if row.is_anycast: | |
335 | network.set_flag(location.NETWORK_FLAG_ANYCAST) | |
336 | ||
8084b33a MT |
337 | # Add all countries |
338 | log.info("Writing countries...") | |
339 | rows = self.db.query("SELECT * FROM countries ORDER BY country_code") | |
340 | ||
341 | for row in rows: | |
342 | c = writer.add_country(row.country_code) | |
343 | c.continent_code = row.continent_code | |
344 | c.name = row.name | |
345 | ||
0983f3dd MT |
346 | # Write everything to file |
347 | log.info("Writing database to file...") | |
348 | for file in ns.file: | |
349 | writer.write(file) | |
350 | ||
6ffd06b5 MT |
351 | def handle_update_whois(self, ns): |
352 | downloader = location.importer.Downloader() | |
353 | ||
354 | # Download all sources | |
0365119d MT |
355 | with self.db.transaction(): |
356 | # Create some temporary tables to store parsed data | |
357 | self.db.execute(""" | |
358 | CREATE TEMPORARY TABLE _autnums(number integer, organization text) | |
359 | ON COMMIT DROP; | |
360 | CREATE UNIQUE INDEX _autnums_number ON _autnums(number); | |
361 | ||
362 | CREATE TEMPORARY TABLE _organizations(handle text, name text) | |
363 | ON COMMIT DROP; | |
364 | CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle); | |
365 | """) | |
366 | ||
367 | for source in location.importer.WHOIS_SOURCES: | |
6ffd06b5 MT |
368 | with downloader.request(source, return_blocks=True) as f: |
369 | for block in f: | |
370 | self._parse_block(block) | |
371 | ||
0365119d MT |
372 | self.db.execute(""" |
373 | INSERT INTO autnums(number, name) | |
374 | SELECT _autnums.number, _organizations.name FROM _autnums | |
375 | LEFT JOIN _organizations ON _autnums.organization = _organizations.handle | |
376 | ON CONFLICT (number) DO UPDATE SET name = excluded.name; | |
377 | """) | |
378 | ||
429a43d1 MT |
379 | # Download all extended sources |
380 | for source in location.importer.EXTENDED_SOURCES: | |
381 | with self.db.transaction(): | |
429a43d1 MT |
382 | # Download data |
383 | with downloader.request(source) as f: | |
384 | for line in f: | |
385 | self._parse_line(line) | |
386 | ||
6ffd06b5 MT |
387 | def _parse_block(self, block): |
388 | # Get first line to find out what type of block this is | |
389 | line = block[0] | |
390 | ||
6ffd06b5 | 391 | # aut-num |
429a43d1 | 392 | if line.startswith("aut-num:"): |
6ffd06b5 MT |
393 | return self._parse_autnum_block(block) |
394 | ||
395 | # organisation | |
396 | elif line.startswith("organisation:"): | |
397 | return self._parse_org_block(block) | |
398 | ||
6ffd06b5 | 399 | def _parse_autnum_block(self, block): |
6ffd06b5 MT |
400 | autnum = {} |
401 | for line in block: | |
402 | # Split line | |
403 | key, val = split_line(line) | |
404 | ||
405 | if key == "aut-num": | |
406 | m = re.match(r"^(AS|as)(\d+)", val) | |
407 | if m: | |
408 | autnum["asn"] = m.group(2) | |
409 | ||
0365119d | 410 | elif key == "org": |
6ffd06b5 MT |
411 | autnum[key] = val |
412 | ||
413 | # Skip empty objects | |
414 | if not autnum: | |
415 | return | |
416 | ||
417 | # Insert into database | |
0365119d MT |
418 | self.db.execute("INSERT INTO _autnums(number, organization) \ |
419 | VALUES(%s, %s) ON CONFLICT (number) DO UPDATE SET \ | |
420 | organization = excluded.organization", | |
421 | autnum.get("asn"), autnum.get("org"), | |
6ffd06b5 MT |
422 | ) |
423 | ||
6ffd06b5 MT |
424 | def _parse_org_block(self, block): |
425 | org = {} | |
426 | for line in block: | |
427 | # Split line | |
428 | key, val = split_line(line) | |
429 | ||
0365119d | 430 | if key in ("organisation", "org-name"): |
6ffd06b5 MT |
431 | org[key] = val |
432 | ||
433 | # Skip empty objects | |
434 | if not org: | |
435 | return | |
436 | ||
0365119d MT |
437 | self.db.execute("INSERT INTO _organizations(handle, name) \ |
438 | VALUES(%s, %s) ON CONFLICT (handle) DO \ | |
439 | UPDATE SET name = excluded.name", | |
440 | org.get("organisation"), org.get("org-name"), | |
6ffd06b5 MT |
441 | ) |
442 | ||
429a43d1 MT |
443 | def _parse_line(self, line): |
444 | # Skip version line | |
445 | if line.startswith("2"): | |
446 | return | |
6ffd06b5 | 447 | |
429a43d1 MT |
448 | # Skip comments |
449 | if line.startswith("#"): | |
450 | return | |
6ffd06b5 | 451 | |
429a43d1 MT |
452 | try: |
453 | registry, country_code, type, line = line.split("|", 3) | |
454 | except: | |
455 | log.warning("Could not parse line: %s" % line) | |
456 | return | |
6ffd06b5 | 457 | |
429a43d1 MT |
458 | # Skip any lines that are for stats only |
459 | if country_code == "*": | |
6ffd06b5 MT |
460 | return |
461 | ||
429a43d1 MT |
462 | if type in ("ipv6", "ipv4"): |
463 | return self._parse_ip_line(country_code, type, line) | |
464 | ||
429a43d1 MT |
465 | def _parse_ip_line(self, country, type, line): |
466 | try: | |
467 | address, prefix, date, status, organization = line.split("|") | |
468 | except ValueError: | |
469 | organization = None | |
470 | ||
471 | # Try parsing the line without organization | |
472 | try: | |
473 | address, prefix, date, status = line.split("|") | |
474 | except ValueError: | |
475 | log.warning("Unhandled line format: %s" % line) | |
476 | return | |
477 | ||
478 | # Skip anything that isn't properly assigned | |
479 | if not status in ("assigned", "allocated"): | |
480 | return | |
481 | ||
482 | # Cast prefix into an integer | |
483 | try: | |
484 | prefix = int(prefix) | |
485 | except: | |
486 | log.warning("Invalid prefix: %s" % prefix) | |
7177031f | 487 | return |
429a43d1 MT |
488 | |
489 | # Fix prefix length for IPv4 | |
490 | if type == "ipv4": | |
491 | prefix = 32 - int(math.log(prefix, 2)) | |
492 | ||
493 | # Try to parse the address | |
494 | try: | |
495 | network = ipaddress.ip_network("%s/%s" % (address, prefix), strict=False) | |
496 | except ValueError: | |
497 | log.warning("Invalid IP address: %s" % address) | |
498 | return | |
499 | ||
87b3e102 MT |
500 | self.db.execute("INSERT INTO networks(network, country) \ |
501 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
502 | UPDATE SET country = excluded.country", | |
503 | "%s" % network, country, | |
6ffd06b5 MT |
504 | ) |
505 | ||
83d61c46 MT |
506 | def handle_update_announcements(self, ns): |
507 | server = ns.server[0] | |
508 | ||
509 | # Pre-compile regular expression for routes | |
83d61c46 MT |
510 | route = re.compile(b"^\*[\s\>]i([^\s]+).+?(\d+)\si\r\n", re.MULTILINE|re.DOTALL) |
511 | ||
512 | with telnetlib.Telnet(server) as t: | |
513 | # Enable debug mode | |
514 | #if ns.debug: | |
515 | # t.set_debuglevel(10) | |
516 | ||
517 | # Wait for console greeting | |
fcd5b8b2 MT |
518 | greeting = t.read_until(b"> ", timeout=30) |
519 | if not greeting: | |
520 | log.error("Could not get a console prompt") | |
521 | return 1 | |
83d61c46 MT |
522 | |
523 | # Disable pagination | |
524 | t.write(b"terminal length 0\n") | |
525 | ||
526 | # Wait for the prompt to return | |
527 | t.read_until(b"> ") | |
528 | ||
529 | # Fetch the routing tables | |
530 | with self.db.transaction(): | |
531 | for protocol in ("ipv6", "ipv4"): | |
532 | log.info("Requesting %s routing table" % protocol) | |
533 | ||
534 | # Request the full unicast routing table | |
535 | t.write(b"show bgp %s unicast\n" % protocol.encode()) | |
536 | ||
537 | # Read entire header which ends with "Path" | |
538 | t.read_until(b"Path\r\n") | |
539 | ||
540 | while True: | |
541 | # Try reading a full entry | |
542 | # Those might be broken across multiple lines but ends with i | |
543 | line = t.read_until(b"i\r\n", timeout=5) | |
544 | if not line: | |
545 | break | |
546 | ||
547 | # Show line for debugging | |
548 | #log.debug(repr(line)) | |
549 | ||
550 | # Try finding a route in here | |
551 | m = route.match(line) | |
552 | if m: | |
553 | network, autnum = m.groups() | |
554 | ||
555 | # Convert network to string | |
556 | network = network.decode() | |
557 | ||
d773c1bc MT |
558 | # Append /24 for IPv4 addresses |
559 | if not "/" in network and not ":" in network: | |
560 | network = "%s/24" % network | |
561 | ||
83d61c46 MT |
562 | # Convert AS number to integer |
563 | autnum = int(autnum) | |
564 | ||
565 | log.info("Found announcement for %s by %s" % (network, autnum)) | |
566 | ||
567 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
568 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
569 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
570 | network, autnum, | |
571 | ) | |
572 | ||
573 | log.info("Finished reading the %s routing table" % protocol) | |
574 | ||
575 | # Purge anything we never want here | |
576 | self.db.execute(""" | |
577 | -- Delete default routes | |
578 | DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0'; | |
579 | ||
580 | -- Delete anything that is not global unicast address space | |
581 | DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3'; | |
582 | ||
1d4e4e8f PM |
583 | -- DELETE "current network" address space |
584 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8'; | |
585 | ||
cedee656 PM |
586 | -- DELETE local loopback address space |
587 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8'; | |
588 | ||
1d4e4e8f | 589 | -- DELETE RFC 1918 address space |
83d61c46 MT |
590 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8'; |
591 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12'; | |
592 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16'; | |
593 | ||
209c04b6 PM |
594 | -- DELETE test, benchmark and documentation address space |
595 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24'; | |
596 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24'; | |
597 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15'; | |
598 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24'; | |
599 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24'; | |
600 | ||
601 | -- DELETE CGNAT address space (RFC 6598) | |
602 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10'; | |
603 | ||
604 | -- DELETE link local address space | |
605 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16'; | |
606 | ||
607 | -- DELETE IPv6 to IPv4 (6to4) address space | |
608 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24'; | |
609 | ||
b89cee80 PM |
610 | -- DELETE multicast and reserved address space |
611 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4'; | |
612 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4'; | |
613 | ||
83d61c46 MT |
614 | -- Delete networks that are too small to be in the global routing table |
615 | DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48; | |
616 | DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24; | |
617 | ||
618 | -- Delete any non-public or reserved ASNs | |
619 | DELETE FROM announcements WHERE NOT ( | |
620 | (autnum >= 1 AND autnum <= 23455) | |
621 | OR | |
622 | (autnum >= 23457 AND autnum <= 64495) | |
623 | OR | |
624 | (autnum >= 131072 AND autnum <= 4199999999) | |
625 | ); | |
626 | ||
627 | -- Delete everything that we have not seen for 14 days | |
628 | DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days'; | |
629 | """) | |
630 | ||
d7fc3057 MT |
631 | def handle_update_overrides(self, ns): |
632 | with self.db.transaction(): | |
633 | # Drop all data that we have | |
634 | self.db.execute(""" | |
635 | TRUNCATE TABLE autnum_overrides; | |
636 | TRUNCATE TABLE network_overrides; | |
637 | """) | |
638 | ||
639 | for file in ns.files: | |
640 | log.info("Reading %s..." % file) | |
641 | ||
642 | with open(file, "rb") as f: | |
643 | for type, block in location.importer.read_blocks(f): | |
644 | if type == "net": | |
645 | network = block.get("net") | |
646 | # Try to parse and normalise the network | |
647 | try: | |
648 | network = ipaddress.ip_network(network, strict=False) | |
649 | except ValueError as e: | |
650 | log.warning("Invalid IP network: %s: %s" % (network, e)) | |
651 | continue | |
652 | ||
94dfab8c MT |
653 | # Prevent that we overwrite all networks |
654 | if network.prefixlen == 0: | |
655 | log.warning("Skipping %s: You cannot overwrite default" % network) | |
656 | continue | |
657 | ||
d7fc3057 MT |
658 | self.db.execute(""" |
659 | INSERT INTO network_overrides( | |
660 | network, | |
661 | country, | |
662 | is_anonymous_proxy, | |
663 | is_satellite_provider, | |
664 | is_anycast | |
56f6587a | 665 | ) VALUES (%s, %s, %s, %s, %s) |
d7fc3057 MT |
666 | ON CONFLICT (network) DO NOTHING""", |
667 | "%s" % network, | |
668 | block.get("country"), | |
28d29b7c MT |
669 | self._parse_bool(block, "is-anonymous-proxy"), |
670 | self._parse_bool(block, "is-satellite-provider"), | |
671 | self._parse_bool(block, "is-anycast"), | |
d7fc3057 MT |
672 | ) |
673 | ||
f476cdfd MT |
674 | elif type == "aut-num": |
675 | autnum = block.get("aut-num") | |
d7fc3057 MT |
676 | |
677 | # Check if AS number begins with "AS" | |
678 | if not autnum.startswith("AS"): | |
679 | log.warning("Invalid AS number: %s" % autnum) | |
680 | continue | |
681 | ||
682 | # Strip "AS" | |
683 | autnum = autnum[2:] | |
684 | ||
685 | self.db.execute(""" | |
686 | INSERT INTO autnum_overrides( | |
687 | number, | |
688 | name, | |
bd1aa6a1 | 689 | country, |
d7fc3057 MT |
690 | is_anonymous_proxy, |
691 | is_satellite_provider, | |
692 | is_anycast | |
bd1aa6a1 | 693 | ) VALUES(%s, %s, %s, %s, %s, %s) |
d7fc3057 | 694 | ON CONFLICT DO NOTHING""", |
bd1aa6a1 MT |
695 | autnum, |
696 | block.get("name"), | |
697 | block.get("country"), | |
28d29b7c MT |
698 | self._parse_bool(block, "is-anonymous-proxy"), |
699 | self._parse_bool(block, "is-satellite-provider"), | |
700 | self._parse_bool(block, "is-anycast"), | |
d7fc3057 MT |
701 | ) |
702 | ||
703 | else: | |
704 | log.warning("Unsupport type: %s" % type) | |
705 | ||
28d29b7c MT |
706 | @staticmethod |
707 | def _parse_bool(block, key): | |
708 | val = block.get(key) | |
709 | ||
710 | # There is no point to proceed when we got None | |
711 | if val is None: | |
712 | return | |
713 | ||
714 | # Convert to lowercase | |
715 | val = val.lower() | |
716 | ||
717 | # True | |
718 | if val in ("yes", "1"): | |
719 | return True | |
720 | ||
721 | # False | |
722 | if val in ("no", "0"): | |
723 | return False | |
724 | ||
725 | # Default to None | |
726 | return None | |
727 | ||
8084b33a MT |
728 | def handle_import_countries(self, ns): |
729 | with self.db.transaction(): | |
730 | # Drop all data that we have | |
731 | self.db.execute("TRUNCATE TABLE countries") | |
732 | ||
733 | for file in ns.file: | |
734 | for line in file: | |
735 | line = line.rstrip() | |
736 | ||
737 | # Ignore any comments | |
738 | if line.startswith("#"): | |
739 | continue | |
740 | ||
741 | try: | |
742 | country_code, continent_code, name = line.split(maxsplit=2) | |
743 | except: | |
744 | log.warning("Could not parse line: %s" % line) | |
745 | continue | |
746 | ||
747 | self.db.execute("INSERT INTO countries(country_code, name, continent_code) \ | |
748 | VALUES(%s, %s, %s) ON CONFLICT DO NOTHING", country_code, name, continent_code) | |
749 | ||
6ffd06b5 MT |
750 | |
751 | def split_line(line): | |
752 | key, colon, val = line.partition(":") | |
753 | ||
754 | # Strip any excess space | |
755 | key = key.strip() | |
756 | val = val.strip() | |
78ff0cf2 | 757 | |
6ffd06b5 | 758 | return key, val |
78ff0cf2 MT |
759 | |
760 | def main(): | |
761 | # Run the command line interface | |
762 | c = CLI() | |
763 | c.run() | |
764 | ||
765 | main() |