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