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