]>
Commit | Line | Data |
---|---|---|
78ff0cf2 MT |
1 | #!/usr/bin/python3 |
2 | ############################################################################### | |
3 | # # | |
4 | # libloc - A library to determine the location of someone on the Internet # | |
5 | # # | |
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")) | |
48 | ||
49 | # version | |
50 | parser.add_argument("--version", action="version", | |
51 | version="%(prog)s @VERSION@") | |
52 | ||
29c6fa22 MT |
53 | # Database |
54 | parser.add_argument("--database-host", required=True, | |
55 | help=_("Database Hostname"), metavar=_("HOST")) | |
56 | parser.add_argument("--database-name", required=True, | |
57 | help=_("Database Name"), metavar=_("NAME")) | |
58 | parser.add_argument("--database-username", required=True, | |
59 | help=_("Database Username"), metavar=_("USERNAME")) | |
60 | parser.add_argument("--database-password", required=True, | |
61 | help=_("Database Password"), metavar=_("PASSWORD")) | |
62 | ||
0983f3dd MT |
63 | # Write Database |
64 | write = subparsers.add_parser("write", help=_("Write database to file")) | |
65 | write.set_defaults(func=self.handle_write) | |
66 | write.add_argument("file", nargs=1, help=_("Database File")) | |
67 | write.add_argument("--signing-key", nargs="?", type=open, help=_("Signing Key")) | |
68 | write.add_argument("--vendor", nargs="?", help=_("Sets the vendor")) | |
69 | write.add_argument("--description", nargs="?", help=_("Sets a description")) | |
70 | write.add_argument("--license", nargs="?", help=_("Sets the license")) | |
71 | ||
6ffd06b5 MT |
72 | # Update WHOIS |
73 | update_whois = subparsers.add_parser("update-whois", help=_("Update WHOIS Information")) | |
74 | update_whois.set_defaults(func=self.handle_update_whois) | |
75 | ||
83d61c46 MT |
76 | # Update announcements |
77 | update_announcements = subparsers.add_parser("update-announcements", | |
78 | help=_("Update BGP Annoucements")) | |
79 | update_announcements.set_defaults(func=self.handle_update_announcements) | |
80 | update_announcements.add_argument("server", nargs=1, | |
81 | help=_("Route Server to connect to"), metavar=_("SERVER")) | |
82 | ||
d7fc3057 MT |
83 | # Update overrides |
84 | update_overrides = subparsers.add_parser("update-overrides", | |
85 | help=_("Update overrides"), | |
86 | ) | |
87 | update_overrides.add_argument( | |
88 | "files", nargs="+", help=_("Files to import"), | |
89 | ) | |
90 | update_overrides.set_defaults(func=self.handle_update_overrides) | |
91 | ||
78ff0cf2 MT |
92 | args = parser.parse_args() |
93 | ||
94 | # Enable debug logging | |
95 | if args.debug: | |
f9de5e61 | 96 | location.logger.set_level(logging.DEBUG) |
78ff0cf2 | 97 | |
6ffd06b5 MT |
98 | # Print usage if no action was given |
99 | if not "func" in args: | |
100 | parser.print_usage() | |
101 | sys.exit(2) | |
102 | ||
78ff0cf2 MT |
103 | return args |
104 | ||
105 | def run(self): | |
106 | # Parse command line arguments | |
107 | args = self.parse_cli() | |
108 | ||
29c6fa22 | 109 | # Initialise database |
6ffd06b5 | 110 | self.db = self._setup_database(args) |
29c6fa22 | 111 | |
78ff0cf2 | 112 | # Call function |
6ffd06b5 | 113 | ret = args.func(args) |
78ff0cf2 MT |
114 | |
115 | # Return with exit code | |
116 | if ret: | |
117 | sys.exit(ret) | |
118 | ||
119 | # Otherwise just exit | |
120 | sys.exit(0) | |
121 | ||
29c6fa22 MT |
122 | def _setup_database(self, ns): |
123 | """ | |
124 | Initialise the database | |
125 | """ | |
126 | # Connect to database | |
127 | db = location.database.Connection( | |
128 | host=ns.database_host, database=ns.database_name, | |
129 | user=ns.database_username, password=ns.database_password, | |
130 | ) | |
131 | ||
132 | with db.transaction(): | |
133 | db.execute(""" | |
83d61c46 MT |
134 | -- announcements |
135 | CREATE TABLE IF NOT EXISTS announcements(network inet, autnum bigint, | |
136 | first_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP, | |
137 | last_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP); | |
138 | CREATE UNIQUE INDEX IF NOT EXISTS announcements_networks ON announcements(network); | |
139 | CREATE INDEX IF NOT EXISTS announcements_family ON announcements(family(network)); | |
140 | ||
6ffd06b5 | 141 | -- autnums |
0983f3dd | 142 | CREATE TABLE IF NOT EXISTS autnums(number bigint, name text NOT NULL); |
6ffd06b5 MT |
143 | CREATE UNIQUE INDEX IF NOT EXISTS autnums_number ON autnums(number); |
144 | ||
429a43d1 | 145 | -- networks |
83d61c46 | 146 | CREATE TABLE IF NOT EXISTS networks(network inet, country text); |
429a43d1 | 147 | CREATE UNIQUE INDEX IF NOT EXISTS networks_network ON networks(network); |
83d61c46 | 148 | CREATE INDEX IF NOT EXISTS networks_search ON networks USING GIST(network inet_ops); |
d7fc3057 MT |
149 | |
150 | -- overrides | |
151 | CREATE TABLE IF NOT EXISTS autnum_overrides( | |
152 | number bigint NOT NULL, | |
153 | name text, | |
154 | is_anonymous_proxy boolean DEFAULT FALSE, | |
155 | is_satellite_provider boolean DEFAULT FALSE, | |
156 | is_anycast boolean DEFAULT FALSE | |
157 | ); | |
158 | CREATE UNIQUE INDEX IF NOT EXISTS autnum_overrides_number | |
159 | ON autnum_overrides(number); | |
160 | ||
161 | CREATE TABLE IF NOT EXISTS network_overrides( | |
162 | network inet NOT NULL, | |
163 | country text, | |
164 | is_anonymous_proxy boolean DEFAULT FALSE, | |
165 | is_satellite_provider boolean DEFAULT FALSE, | |
166 | is_anycast boolean DEFAULT FALSE | |
167 | ); | |
168 | CREATE UNIQUE INDEX IF NOT EXISTS network_overrides_network | |
169 | ON network_overrides(network); | |
29c6fa22 MT |
170 | """) |
171 | ||
172 | return db | |
173 | ||
0983f3dd MT |
174 | def handle_write(self, ns): |
175 | """ | |
176 | Compiles a database in libloc format out of what is in the database | |
177 | """ | |
178 | print(ns) | |
179 | ||
180 | # Allocate a writer | |
181 | writer = location.Writer(ns.signing_key) | |
182 | ||
183 | # Set all metadata | |
184 | if ns.vendor: | |
185 | writer.vendor = ns.vendor | |
186 | ||
187 | if ns.description: | |
188 | writer.description = ns.description | |
189 | ||
190 | if ns.license: | |
191 | writer.license = ns.license | |
192 | ||
193 | # Add all Autonomous Systems | |
194 | log.info("Writing Autonomous Systems...") | |
195 | ||
196 | # Select all ASes with a name | |
6e97c44b MT |
197 | rows = self.db.query(""" |
198 | SELECT | |
199 | autnums.number AS number, | |
200 | COALESCE( | |
201 | (SELECT overrides.name FROM autnum_overrides overrides | |
202 | WHERE overrides.number = autnums.number), | |
203 | autnums.name | |
204 | ) AS name | |
205 | FROM autnums | |
206 | WHERE name <> %s ORDER BY number | |
207 | """, "") | |
0983f3dd MT |
208 | |
209 | for row in rows: | |
210 | a = writer.add_as(row.number) | |
211 | a.name = row.name | |
212 | ||
213 | # Add all networks | |
214 | log.info("Writing networks...") | |
215 | ||
216 | # Select all known networks | |
217 | rows = self.db.query(""" | |
218 | SELECT | |
8e8555bb | 219 | DISTINCT ON (announcements.network) |
0983f3dd MT |
220 | announcements.network AS network, |
221 | announcements.autnum AS autnum, | |
8e8555bb MT |
222 | networks.country AS country, |
223 | ||
224 | -- Must be part of returned values for ORDER BY clause | |
225 | masklen(networks.network) AS sort, | |
0983f3dd MT |
226 | |
227 | -- Flags | |
1422b5d4 MT |
228 | COALESCE( |
229 | ( | |
230 | SELECT is_anonymous_proxy FROM network_overrides overrides | |
231 | WHERE announcements.network <<= overrides.network | |
232 | ORDER BY masklen(overrides.network) DESC | |
233 | LIMIT 1 | |
234 | ), | |
235 | ( | |
236 | SELECT is_anonymous_proxy FROM autnum_overrides overrides | |
237 | WHERE announcements.autnum = overrides.number | |
238 | ) | |
239 | ) AS is_anonymous_proxy, | |
240 | COALESCE( | |
241 | ( | |
242 | SELECT is_satellite_provider FROM network_overrides overrides | |
243 | WHERE announcements.network <<= overrides.network | |
244 | ORDER BY masklen(overrides.network) DESC | |
245 | LIMIT 1 | |
246 | ), | |
247 | ( | |
248 | SELECT is_satellite_provider FROM autnum_overrides overrides | |
249 | WHERE announcements.autnum = overrides.number | |
250 | ) | |
251 | ) AS is_satellite_provider, | |
252 | COALESCE( | |
253 | ( | |
254 | SELECT is_anycast FROM network_overrides overrides | |
255 | WHERE announcements.network <<= overrides.network | |
256 | ORDER BY masklen(overrides.network) DESC | |
257 | LIMIT 1 | |
258 | ), | |
259 | ( | |
260 | SELECT is_anycast FROM autnum_overrides overrides | |
261 | WHERE announcements.autnum = overrides.number | |
262 | ) | |
263 | ) AS is_anycast | |
0983f3dd | 264 | FROM announcements |
8e8555bb MT |
265 | LEFT JOIN networks ON announcements.network <<= networks.network |
266 | ORDER BY announcements.network, sort DESC | |
0983f3dd MT |
267 | """) |
268 | ||
269 | for row in rows: | |
270 | network = writer.add_network(row.network) | |
271 | ||
272 | # Save AS & country | |
273 | network.asn, network.country_code = row.autnum, row.country | |
274 | ||
275 | # Set flags | |
276 | if row.is_anonymous_proxy: | |
277 | network.set_flag(location.NETWORK_FLAG_ANONYMOUS_PROXY) | |
278 | ||
279 | if row.is_satellite_provider: | |
280 | network.set_flag(location.NETWORK_FLAG_SATELLITE_PROVIDER) | |
281 | ||
282 | if row.is_anycast: | |
283 | network.set_flag(location.NETWORK_FLAG_ANYCAST) | |
284 | ||
285 | # Write everything to file | |
286 | log.info("Writing database to file...") | |
287 | for file in ns.file: | |
288 | writer.write(file) | |
289 | ||
6ffd06b5 MT |
290 | def handle_update_whois(self, ns): |
291 | downloader = location.importer.Downloader() | |
292 | ||
293 | # Download all sources | |
0365119d MT |
294 | with self.db.transaction(): |
295 | # Create some temporary tables to store parsed data | |
296 | self.db.execute(""" | |
297 | CREATE TEMPORARY TABLE _autnums(number integer, organization text) | |
298 | ON COMMIT DROP; | |
299 | CREATE UNIQUE INDEX _autnums_number ON _autnums(number); | |
300 | ||
301 | CREATE TEMPORARY TABLE _organizations(handle text, name text) | |
302 | ON COMMIT DROP; | |
303 | CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle); | |
304 | """) | |
305 | ||
306 | for source in location.importer.WHOIS_SOURCES: | |
6ffd06b5 MT |
307 | with downloader.request(source, return_blocks=True) as f: |
308 | for block in f: | |
309 | self._parse_block(block) | |
310 | ||
0365119d MT |
311 | self.db.execute(""" |
312 | INSERT INTO autnums(number, name) | |
313 | SELECT _autnums.number, _organizations.name FROM _autnums | |
314 | LEFT JOIN _organizations ON _autnums.organization = _organizations.handle | |
315 | ON CONFLICT (number) DO UPDATE SET name = excluded.name; | |
316 | """) | |
317 | ||
429a43d1 MT |
318 | # Download all extended sources |
319 | for source in location.importer.EXTENDED_SOURCES: | |
320 | with self.db.transaction(): | |
429a43d1 MT |
321 | # Download data |
322 | with downloader.request(source) as f: | |
323 | for line in f: | |
324 | self._parse_line(line) | |
325 | ||
6ffd06b5 MT |
326 | def _parse_block(self, block): |
327 | # Get first line to find out what type of block this is | |
328 | line = block[0] | |
329 | ||
6ffd06b5 | 330 | # aut-num |
429a43d1 | 331 | if line.startswith("aut-num:"): |
6ffd06b5 MT |
332 | return self._parse_autnum_block(block) |
333 | ||
334 | # organisation | |
335 | elif line.startswith("organisation:"): | |
336 | return self._parse_org_block(block) | |
337 | ||
6ffd06b5 | 338 | def _parse_autnum_block(self, block): |
6ffd06b5 MT |
339 | autnum = {} |
340 | for line in block: | |
341 | # Split line | |
342 | key, val = split_line(line) | |
343 | ||
344 | if key == "aut-num": | |
345 | m = re.match(r"^(AS|as)(\d+)", val) | |
346 | if m: | |
347 | autnum["asn"] = m.group(2) | |
348 | ||
0365119d | 349 | elif key == "org": |
6ffd06b5 MT |
350 | autnum[key] = val |
351 | ||
352 | # Skip empty objects | |
353 | if not autnum: | |
354 | return | |
355 | ||
356 | # Insert into database | |
0365119d MT |
357 | self.db.execute("INSERT INTO _autnums(number, organization) \ |
358 | VALUES(%s, %s) ON CONFLICT (number) DO UPDATE SET \ | |
359 | organization = excluded.organization", | |
360 | autnum.get("asn"), autnum.get("org"), | |
6ffd06b5 MT |
361 | ) |
362 | ||
6ffd06b5 MT |
363 | def _parse_org_block(self, block): |
364 | org = {} | |
365 | for line in block: | |
366 | # Split line | |
367 | key, val = split_line(line) | |
368 | ||
0365119d | 369 | if key in ("organisation", "org-name"): |
6ffd06b5 MT |
370 | org[key] = val |
371 | ||
372 | # Skip empty objects | |
373 | if not org: | |
374 | return | |
375 | ||
0365119d MT |
376 | self.db.execute("INSERT INTO _organizations(handle, name) \ |
377 | VALUES(%s, %s) ON CONFLICT (handle) DO \ | |
378 | UPDATE SET name = excluded.name", | |
379 | org.get("organisation"), org.get("org-name"), | |
6ffd06b5 MT |
380 | ) |
381 | ||
429a43d1 MT |
382 | def _parse_line(self, line): |
383 | # Skip version line | |
384 | if line.startswith("2"): | |
385 | return | |
6ffd06b5 | 386 | |
429a43d1 MT |
387 | # Skip comments |
388 | if line.startswith("#"): | |
389 | return | |
6ffd06b5 | 390 | |
429a43d1 MT |
391 | try: |
392 | registry, country_code, type, line = line.split("|", 3) | |
393 | except: | |
394 | log.warning("Could not parse line: %s" % line) | |
395 | return | |
6ffd06b5 | 396 | |
429a43d1 MT |
397 | # Skip any lines that are for stats only |
398 | if country_code == "*": | |
6ffd06b5 MT |
399 | return |
400 | ||
429a43d1 MT |
401 | if type in ("ipv6", "ipv4"): |
402 | return self._parse_ip_line(country_code, type, line) | |
403 | ||
429a43d1 MT |
404 | def _parse_ip_line(self, country, type, line): |
405 | try: | |
406 | address, prefix, date, status, organization = line.split("|") | |
407 | except ValueError: | |
408 | organization = None | |
409 | ||
410 | # Try parsing the line without organization | |
411 | try: | |
412 | address, prefix, date, status = line.split("|") | |
413 | except ValueError: | |
414 | log.warning("Unhandled line format: %s" % line) | |
415 | return | |
416 | ||
417 | # Skip anything that isn't properly assigned | |
418 | if not status in ("assigned", "allocated"): | |
419 | return | |
420 | ||
421 | # Cast prefix into an integer | |
422 | try: | |
423 | prefix = int(prefix) | |
424 | except: | |
425 | log.warning("Invalid prefix: %s" % prefix) | |
7177031f | 426 | return |
429a43d1 MT |
427 | |
428 | # Fix prefix length for IPv4 | |
429 | if type == "ipv4": | |
430 | prefix = 32 - int(math.log(prefix, 2)) | |
431 | ||
432 | # Try to parse the address | |
433 | try: | |
434 | network = ipaddress.ip_network("%s/%s" % (address, prefix), strict=False) | |
435 | except ValueError: | |
436 | log.warning("Invalid IP address: %s" % address) | |
437 | return | |
438 | ||
87b3e102 MT |
439 | self.db.execute("INSERT INTO networks(network, country) \ |
440 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
441 | UPDATE SET country = excluded.country", | |
442 | "%s" % network, country, | |
6ffd06b5 MT |
443 | ) |
444 | ||
83d61c46 MT |
445 | def handle_update_announcements(self, ns): |
446 | server = ns.server[0] | |
447 | ||
448 | # Pre-compile regular expression for routes | |
449 | #route = re.compile(b"^\*>?\s[\si]?([^\s]+)[.\s]*?(\d+)\si$", re.MULTILINE) | |
450 | route = re.compile(b"^\*[\s\>]i([^\s]+).+?(\d+)\si\r\n", re.MULTILINE|re.DOTALL) | |
451 | ||
452 | with telnetlib.Telnet(server) as t: | |
453 | # Enable debug mode | |
454 | #if ns.debug: | |
455 | # t.set_debuglevel(10) | |
456 | ||
457 | # Wait for console greeting | |
458 | greeting = t.read_until(b"> ") | |
459 | log.debug(greeting.decode()) | |
460 | ||
461 | # Disable pagination | |
462 | t.write(b"terminal length 0\n") | |
463 | ||
464 | # Wait for the prompt to return | |
465 | t.read_until(b"> ") | |
466 | ||
467 | # Fetch the routing tables | |
468 | with self.db.transaction(): | |
469 | for protocol in ("ipv6", "ipv4"): | |
470 | log.info("Requesting %s routing table" % protocol) | |
471 | ||
472 | # Request the full unicast routing table | |
473 | t.write(b"show bgp %s unicast\n" % protocol.encode()) | |
474 | ||
475 | # Read entire header which ends with "Path" | |
476 | t.read_until(b"Path\r\n") | |
477 | ||
478 | while True: | |
479 | # Try reading a full entry | |
480 | # Those might be broken across multiple lines but ends with i | |
481 | line = t.read_until(b"i\r\n", timeout=5) | |
482 | if not line: | |
483 | break | |
484 | ||
485 | # Show line for debugging | |
486 | #log.debug(repr(line)) | |
487 | ||
488 | # Try finding a route in here | |
489 | m = route.match(line) | |
490 | if m: | |
491 | network, autnum = m.groups() | |
492 | ||
493 | # Convert network to string | |
494 | network = network.decode() | |
495 | ||
d773c1bc MT |
496 | # Append /24 for IPv4 addresses |
497 | if not "/" in network and not ":" in network: | |
498 | network = "%s/24" % network | |
499 | ||
83d61c46 MT |
500 | # Convert AS number to integer |
501 | autnum = int(autnum) | |
502 | ||
503 | log.info("Found announcement for %s by %s" % (network, autnum)) | |
504 | ||
505 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
506 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
507 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
508 | network, autnum, | |
509 | ) | |
510 | ||
511 | log.info("Finished reading the %s routing table" % protocol) | |
512 | ||
513 | # Purge anything we never want here | |
514 | self.db.execute(""" | |
515 | -- Delete default routes | |
516 | DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0'; | |
517 | ||
518 | -- Delete anything that is not global unicast address space | |
519 | DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3'; | |
520 | ||
1d4e4e8f PM |
521 | -- DELETE "current network" address space |
522 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8'; | |
523 | ||
cedee656 PM |
524 | -- DELETE local loopback address space |
525 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8'; | |
526 | ||
1d4e4e8f | 527 | -- DELETE RFC 1918 address space |
83d61c46 MT |
528 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8'; |
529 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12'; | |
530 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16'; | |
531 | ||
209c04b6 PM |
532 | -- DELETE test, benchmark and documentation address space |
533 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24'; | |
534 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24'; | |
535 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15'; | |
536 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24'; | |
537 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24'; | |
538 | ||
539 | -- DELETE CGNAT address space (RFC 6598) | |
540 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10'; | |
541 | ||
542 | -- DELETE link local address space | |
543 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16'; | |
544 | ||
545 | -- DELETE IPv6 to IPv4 (6to4) address space | |
546 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24'; | |
547 | ||
b89cee80 PM |
548 | -- DELETE multicast and reserved address space |
549 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4'; | |
550 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4'; | |
551 | ||
83d61c46 MT |
552 | -- Delete networks that are too small to be in the global routing table |
553 | DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48; | |
554 | DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24; | |
555 | ||
556 | -- Delete any non-public or reserved ASNs | |
557 | DELETE FROM announcements WHERE NOT ( | |
558 | (autnum >= 1 AND autnum <= 23455) | |
559 | OR | |
560 | (autnum >= 23457 AND autnum <= 64495) | |
561 | OR | |
562 | (autnum >= 131072 AND autnum <= 4199999999) | |
563 | ); | |
564 | ||
565 | -- Delete everything that we have not seen for 14 days | |
566 | DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days'; | |
567 | """) | |
568 | ||
d7fc3057 MT |
569 | def handle_update_overrides(self, ns): |
570 | with self.db.transaction(): | |
571 | # Drop all data that we have | |
572 | self.db.execute(""" | |
573 | TRUNCATE TABLE autnum_overrides; | |
574 | TRUNCATE TABLE network_overrides; | |
575 | """) | |
576 | ||
577 | for file in ns.files: | |
578 | log.info("Reading %s..." % file) | |
579 | ||
580 | with open(file, "rb") as f: | |
581 | for type, block in location.importer.read_blocks(f): | |
582 | if type == "net": | |
583 | network = block.get("net") | |
584 | # Try to parse and normalise the network | |
585 | try: | |
586 | network = ipaddress.ip_network(network, strict=False) | |
587 | except ValueError as e: | |
588 | log.warning("Invalid IP network: %s: %s" % (network, e)) | |
589 | continue | |
590 | ||
591 | self.db.execute(""" | |
592 | INSERT INTO network_overrides( | |
593 | network, | |
594 | country, | |
595 | is_anonymous_proxy, | |
596 | is_satellite_provider, | |
597 | is_anycast | |
56f6587a | 598 | ) VALUES (%s, %s, %s, %s, %s) |
d7fc3057 MT |
599 | ON CONFLICT (network) DO NOTHING""", |
600 | "%s" % network, | |
601 | block.get("country"), | |
602 | block.get("is-anonymous-proxy") == "yes", | |
603 | block.get("is-satellite-provider") == "yes", | |
604 | block.get("is-anycast") == "yes", | |
605 | ) | |
606 | ||
607 | elif type == "autnum": | |
608 | autnum = block.get("autnum") | |
609 | ||
610 | # Check if AS number begins with "AS" | |
611 | if not autnum.startswith("AS"): | |
612 | log.warning("Invalid AS number: %s" % autnum) | |
613 | continue | |
614 | ||
615 | # Strip "AS" | |
616 | autnum = autnum[2:] | |
617 | ||
618 | self.db.execute(""" | |
619 | INSERT INTO autnum_overrides( | |
620 | number, | |
621 | name, | |
622 | is_anonymous_proxy, | |
623 | is_satellite_provider, | |
624 | is_anycast | |
625 | ) VALUES(%s, %s, %s, %s, %s) | |
626 | ON CONFLICT DO NOTHING""", | |
627 | autnum, block.get("name"), | |
628 | block.get("is-anonymous-proxy") == "yes", | |
629 | block.get("is-satellite-provider") == "yes", | |
630 | block.get("is-anycast") == "yes", | |
631 | ) | |
632 | ||
633 | else: | |
634 | log.warning("Unsupport type: %s" % type) | |
635 | ||
6ffd06b5 MT |
636 | |
637 | def split_line(line): | |
638 | key, colon, val = line.partition(":") | |
639 | ||
640 | # Strip any excess space | |
641 | key = key.strip() | |
642 | val = val.strip() | |
78ff0cf2 | 643 | |
6ffd06b5 | 644 | return key, val |
78ff0cf2 MT |
645 | |
646 | def main(): | |
647 | # Run the command line interface | |
648 | c = CLI() | |
649 | c.run() | |
650 | ||
651 | main() |