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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 | |
308 | masklen(known_networks.network) AS sort | |
309 | FROM known_networks | |
310 | LEFT JOIN announcements ON known_networks.network <<= announcements.network | |
311 | LEFT JOIN networks ON known_networks.network <<= networks.network | |
312 | ORDER BY known_networks.network, sort DESC | |
0983f3dd MT |
313 | """) |
314 | ||
315 | for row in rows: | |
316 | network = writer.add_network(row.network) | |
317 | ||
5372d9c7 MT |
318 | # Save country |
319 | if row.country: | |
320 | network.country_code = row.country | |
321 | ||
322 | # Save ASN | |
323 | if row.autnum: | |
324 | network.asn = row.autnum | |
0983f3dd MT |
325 | |
326 | # Set flags | |
327 | if row.is_anonymous_proxy: | |
328 | network.set_flag(location.NETWORK_FLAG_ANONYMOUS_PROXY) | |
329 | ||
330 | if row.is_satellite_provider: | |
331 | network.set_flag(location.NETWORK_FLAG_SATELLITE_PROVIDER) | |
332 | ||
333 | if row.is_anycast: | |
334 | network.set_flag(location.NETWORK_FLAG_ANYCAST) | |
335 | ||
8084b33a MT |
336 | # Add all countries |
337 | log.info("Writing countries...") | |
338 | rows = self.db.query("SELECT * FROM countries ORDER BY country_code") | |
339 | ||
340 | for row in rows: | |
341 | c = writer.add_country(row.country_code) | |
342 | c.continent_code = row.continent_code | |
343 | c.name = row.name | |
344 | ||
0983f3dd MT |
345 | # Write everything to file |
346 | log.info("Writing database to file...") | |
347 | for file in ns.file: | |
348 | writer.write(file) | |
349 | ||
6ffd06b5 MT |
350 | def handle_update_whois(self, ns): |
351 | downloader = location.importer.Downloader() | |
352 | ||
353 | # Download all sources | |
0365119d MT |
354 | with self.db.transaction(): |
355 | # Create some temporary tables to store parsed data | |
356 | self.db.execute(""" | |
357 | CREATE TEMPORARY TABLE _autnums(number integer, organization text) | |
358 | ON COMMIT DROP; | |
359 | CREATE UNIQUE INDEX _autnums_number ON _autnums(number); | |
360 | ||
361 | CREATE TEMPORARY TABLE _organizations(handle text, name text) | |
362 | ON COMMIT DROP; | |
363 | CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle); | |
364 | """) | |
365 | ||
366 | for source in location.importer.WHOIS_SOURCES: | |
6ffd06b5 MT |
367 | with downloader.request(source, return_blocks=True) as f: |
368 | for block in f: | |
369 | self._parse_block(block) | |
370 | ||
0365119d MT |
371 | self.db.execute(""" |
372 | INSERT INTO autnums(number, name) | |
373 | SELECT _autnums.number, _organizations.name FROM _autnums | |
374 | LEFT JOIN _organizations ON _autnums.organization = _organizations.handle | |
375 | ON CONFLICT (number) DO UPDATE SET name = excluded.name; | |
376 | """) | |
377 | ||
429a43d1 MT |
378 | # Download all extended sources |
379 | for source in location.importer.EXTENDED_SOURCES: | |
380 | with self.db.transaction(): | |
429a43d1 MT |
381 | # Download data |
382 | with downloader.request(source) as f: | |
383 | for line in f: | |
384 | self._parse_line(line) | |
385 | ||
6ffd06b5 MT |
386 | def _parse_block(self, block): |
387 | # Get first line to find out what type of block this is | |
388 | line = block[0] | |
389 | ||
6ffd06b5 | 390 | # aut-num |
429a43d1 | 391 | if line.startswith("aut-num:"): |
6ffd06b5 MT |
392 | return self._parse_autnum_block(block) |
393 | ||
394 | # organisation | |
395 | elif line.startswith("organisation:"): | |
396 | return self._parse_org_block(block) | |
397 | ||
6ffd06b5 | 398 | def _parse_autnum_block(self, block): |
6ffd06b5 MT |
399 | autnum = {} |
400 | for line in block: | |
401 | # Split line | |
402 | key, val = split_line(line) | |
403 | ||
404 | if key == "aut-num": | |
405 | m = re.match(r"^(AS|as)(\d+)", val) | |
406 | if m: | |
407 | autnum["asn"] = m.group(2) | |
408 | ||
0365119d | 409 | elif key == "org": |
6ffd06b5 MT |
410 | autnum[key] = val |
411 | ||
412 | # Skip empty objects | |
413 | if not autnum: | |
414 | return | |
415 | ||
416 | # Insert into database | |
0365119d MT |
417 | self.db.execute("INSERT INTO _autnums(number, organization) \ |
418 | VALUES(%s, %s) ON CONFLICT (number) DO UPDATE SET \ | |
419 | organization = excluded.organization", | |
420 | autnum.get("asn"), autnum.get("org"), | |
6ffd06b5 MT |
421 | ) |
422 | ||
6ffd06b5 MT |
423 | def _parse_org_block(self, block): |
424 | org = {} | |
425 | for line in block: | |
426 | # Split line | |
427 | key, val = split_line(line) | |
428 | ||
0365119d | 429 | if key in ("organisation", "org-name"): |
6ffd06b5 MT |
430 | org[key] = val |
431 | ||
432 | # Skip empty objects | |
433 | if not org: | |
434 | return | |
435 | ||
0365119d MT |
436 | self.db.execute("INSERT INTO _organizations(handle, name) \ |
437 | VALUES(%s, %s) ON CONFLICT (handle) DO \ | |
438 | UPDATE SET name = excluded.name", | |
439 | org.get("organisation"), org.get("org-name"), | |
6ffd06b5 MT |
440 | ) |
441 | ||
429a43d1 MT |
442 | def _parse_line(self, line): |
443 | # Skip version line | |
444 | if line.startswith("2"): | |
445 | return | |
6ffd06b5 | 446 | |
429a43d1 MT |
447 | # Skip comments |
448 | if line.startswith("#"): | |
449 | return | |
6ffd06b5 | 450 | |
429a43d1 MT |
451 | try: |
452 | registry, country_code, type, line = line.split("|", 3) | |
453 | except: | |
454 | log.warning("Could not parse line: %s" % line) | |
455 | return | |
6ffd06b5 | 456 | |
429a43d1 MT |
457 | # Skip any lines that are for stats only |
458 | if country_code == "*": | |
6ffd06b5 MT |
459 | return |
460 | ||
429a43d1 MT |
461 | if type in ("ipv6", "ipv4"): |
462 | return self._parse_ip_line(country_code, type, line) | |
463 | ||
429a43d1 MT |
464 | def _parse_ip_line(self, country, type, line): |
465 | try: | |
466 | address, prefix, date, status, organization = line.split("|") | |
467 | except ValueError: | |
468 | organization = None | |
469 | ||
470 | # Try parsing the line without organization | |
471 | try: | |
472 | address, prefix, date, status = line.split("|") | |
473 | except ValueError: | |
474 | log.warning("Unhandled line format: %s" % line) | |
475 | return | |
476 | ||
477 | # Skip anything that isn't properly assigned | |
478 | if not status in ("assigned", "allocated"): | |
479 | return | |
480 | ||
481 | # Cast prefix into an integer | |
482 | try: | |
483 | prefix = int(prefix) | |
484 | except: | |
485 | log.warning("Invalid prefix: %s" % prefix) | |
7177031f | 486 | return |
429a43d1 MT |
487 | |
488 | # Fix prefix length for IPv4 | |
489 | if type == "ipv4": | |
490 | prefix = 32 - int(math.log(prefix, 2)) | |
491 | ||
492 | # Try to parse the address | |
493 | try: | |
494 | network = ipaddress.ip_network("%s/%s" % (address, prefix), strict=False) | |
495 | except ValueError: | |
496 | log.warning("Invalid IP address: %s" % address) | |
497 | return | |
498 | ||
87b3e102 MT |
499 | self.db.execute("INSERT INTO networks(network, country) \ |
500 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
501 | UPDATE SET country = excluded.country", | |
502 | "%s" % network, country, | |
6ffd06b5 MT |
503 | ) |
504 | ||
83d61c46 MT |
505 | def handle_update_announcements(self, ns): |
506 | server = ns.server[0] | |
507 | ||
508 | # Pre-compile regular expression for routes | |
83d61c46 MT |
509 | route = re.compile(b"^\*[\s\>]i([^\s]+).+?(\d+)\si\r\n", re.MULTILINE|re.DOTALL) |
510 | ||
511 | with telnetlib.Telnet(server) as t: | |
512 | # Enable debug mode | |
513 | #if ns.debug: | |
514 | # t.set_debuglevel(10) | |
515 | ||
516 | # Wait for console greeting | |
fcd5b8b2 MT |
517 | greeting = t.read_until(b"> ", timeout=30) |
518 | if not greeting: | |
519 | log.error("Could not get a console prompt") | |
520 | return 1 | |
83d61c46 MT |
521 | |
522 | # Disable pagination | |
523 | t.write(b"terminal length 0\n") | |
524 | ||
525 | # Wait for the prompt to return | |
526 | t.read_until(b"> ") | |
527 | ||
528 | # Fetch the routing tables | |
529 | with self.db.transaction(): | |
530 | for protocol in ("ipv6", "ipv4"): | |
531 | log.info("Requesting %s routing table" % protocol) | |
532 | ||
533 | # Request the full unicast routing table | |
534 | t.write(b"show bgp %s unicast\n" % protocol.encode()) | |
535 | ||
536 | # Read entire header which ends with "Path" | |
537 | t.read_until(b"Path\r\n") | |
538 | ||
539 | while True: | |
540 | # Try reading a full entry | |
541 | # Those might be broken across multiple lines but ends with i | |
542 | line = t.read_until(b"i\r\n", timeout=5) | |
543 | if not line: | |
544 | break | |
545 | ||
546 | # Show line for debugging | |
547 | #log.debug(repr(line)) | |
548 | ||
549 | # Try finding a route in here | |
550 | m = route.match(line) | |
551 | if m: | |
552 | network, autnum = m.groups() | |
553 | ||
554 | # Convert network to string | |
555 | network = network.decode() | |
556 | ||
d773c1bc MT |
557 | # Append /24 for IPv4 addresses |
558 | if not "/" in network and not ":" in network: | |
559 | network = "%s/24" % network | |
560 | ||
83d61c46 MT |
561 | # Convert AS number to integer |
562 | autnum = int(autnum) | |
563 | ||
564 | log.info("Found announcement for %s by %s" % (network, autnum)) | |
565 | ||
566 | self.db.execute("INSERT INTO announcements(network, autnum) \ | |
567 | VALUES(%s, %s) ON CONFLICT (network) DO \ | |
568 | UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP", | |
569 | network, autnum, | |
570 | ) | |
571 | ||
572 | log.info("Finished reading the %s routing table" % protocol) | |
573 | ||
574 | # Purge anything we never want here | |
575 | self.db.execute(""" | |
576 | -- Delete default routes | |
577 | DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0'; | |
578 | ||
579 | -- Delete anything that is not global unicast address space | |
580 | DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3'; | |
581 | ||
1d4e4e8f PM |
582 | -- DELETE "current network" address space |
583 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8'; | |
584 | ||
cedee656 PM |
585 | -- DELETE local loopback address space |
586 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8'; | |
587 | ||
1d4e4e8f | 588 | -- DELETE RFC 1918 address space |
83d61c46 MT |
589 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8'; |
590 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12'; | |
591 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16'; | |
592 | ||
209c04b6 PM |
593 | -- DELETE test, benchmark and documentation address space |
594 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24'; | |
595 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24'; | |
596 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15'; | |
597 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24'; | |
598 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24'; | |
599 | ||
600 | -- DELETE CGNAT address space (RFC 6598) | |
601 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10'; | |
602 | ||
603 | -- DELETE link local address space | |
604 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16'; | |
605 | ||
606 | -- DELETE IPv6 to IPv4 (6to4) address space | |
607 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24'; | |
608 | ||
b89cee80 PM |
609 | -- DELETE multicast and reserved address space |
610 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4'; | |
611 | DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4'; | |
612 | ||
83d61c46 MT |
613 | -- Delete networks that are too small to be in the global routing table |
614 | DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48; | |
615 | DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24; | |
616 | ||
617 | -- Delete any non-public or reserved ASNs | |
618 | DELETE FROM announcements WHERE NOT ( | |
619 | (autnum >= 1 AND autnum <= 23455) | |
620 | OR | |
621 | (autnum >= 23457 AND autnum <= 64495) | |
622 | OR | |
623 | (autnum >= 131072 AND autnum <= 4199999999) | |
624 | ); | |
625 | ||
626 | -- Delete everything that we have not seen for 14 days | |
627 | DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days'; | |
628 | """) | |
629 | ||
d7fc3057 MT |
630 | def handle_update_overrides(self, ns): |
631 | with self.db.transaction(): | |
632 | # Drop all data that we have | |
633 | self.db.execute(""" | |
634 | TRUNCATE TABLE autnum_overrides; | |
635 | TRUNCATE TABLE network_overrides; | |
636 | """) | |
637 | ||
638 | for file in ns.files: | |
639 | log.info("Reading %s..." % file) | |
640 | ||
641 | with open(file, "rb") as f: | |
642 | for type, block in location.importer.read_blocks(f): | |
643 | if type == "net": | |
644 | network = block.get("net") | |
645 | # Try to parse and normalise the network | |
646 | try: | |
647 | network = ipaddress.ip_network(network, strict=False) | |
648 | except ValueError as e: | |
649 | log.warning("Invalid IP network: %s: %s" % (network, e)) | |
650 | continue | |
651 | ||
94dfab8c MT |
652 | # Prevent that we overwrite all networks |
653 | if network.prefixlen == 0: | |
654 | log.warning("Skipping %s: You cannot overwrite default" % network) | |
655 | continue | |
656 | ||
d7fc3057 MT |
657 | self.db.execute(""" |
658 | INSERT INTO network_overrides( | |
659 | network, | |
660 | country, | |
661 | is_anonymous_proxy, | |
662 | is_satellite_provider, | |
663 | is_anycast | |
56f6587a | 664 | ) VALUES (%s, %s, %s, %s, %s) |
d7fc3057 MT |
665 | ON CONFLICT (network) DO NOTHING""", |
666 | "%s" % network, | |
667 | block.get("country"), | |
28d29b7c MT |
668 | self._parse_bool(block, "is-anonymous-proxy"), |
669 | self._parse_bool(block, "is-satellite-provider"), | |
670 | self._parse_bool(block, "is-anycast"), | |
d7fc3057 MT |
671 | ) |
672 | ||
f476cdfd MT |
673 | elif type == "aut-num": |
674 | autnum = block.get("aut-num") | |
d7fc3057 MT |
675 | |
676 | # Check if AS number begins with "AS" | |
677 | if not autnum.startswith("AS"): | |
678 | log.warning("Invalid AS number: %s" % autnum) | |
679 | continue | |
680 | ||
681 | # Strip "AS" | |
682 | autnum = autnum[2:] | |
683 | ||
684 | self.db.execute(""" | |
685 | INSERT INTO autnum_overrides( | |
686 | number, | |
687 | name, | |
bd1aa6a1 | 688 | country, |
d7fc3057 MT |
689 | is_anonymous_proxy, |
690 | is_satellite_provider, | |
691 | is_anycast | |
bd1aa6a1 | 692 | ) VALUES(%s, %s, %s, %s, %s, %s) |
d7fc3057 | 693 | ON CONFLICT DO NOTHING""", |
bd1aa6a1 MT |
694 | autnum, |
695 | block.get("name"), | |
696 | block.get("country"), | |
28d29b7c MT |
697 | self._parse_bool(block, "is-anonymous-proxy"), |
698 | self._parse_bool(block, "is-satellite-provider"), | |
699 | self._parse_bool(block, "is-anycast"), | |
d7fc3057 MT |
700 | ) |
701 | ||
702 | else: | |
703 | log.warning("Unsupport type: %s" % type) | |
704 | ||
28d29b7c MT |
705 | @staticmethod |
706 | def _parse_bool(block, key): | |
707 | val = block.get(key) | |
708 | ||
709 | # There is no point to proceed when we got None | |
710 | if val is None: | |
711 | return | |
712 | ||
713 | # Convert to lowercase | |
714 | val = val.lower() | |
715 | ||
716 | # True | |
717 | if val in ("yes", "1"): | |
718 | return True | |
719 | ||
720 | # False | |
721 | if val in ("no", "0"): | |
722 | return False | |
723 | ||
724 | # Default to None | |
725 | return None | |
726 | ||
8084b33a MT |
727 | def handle_import_countries(self, ns): |
728 | with self.db.transaction(): | |
729 | # Drop all data that we have | |
730 | self.db.execute("TRUNCATE TABLE countries") | |
731 | ||
732 | for file in ns.file: | |
733 | for line in file: | |
734 | line = line.rstrip() | |
735 | ||
736 | # Ignore any comments | |
737 | if line.startswith("#"): | |
738 | continue | |
739 | ||
740 | try: | |
741 | country_code, continent_code, name = line.split(maxsplit=2) | |
742 | except: | |
743 | log.warning("Could not parse line: %s" % line) | |
744 | continue | |
745 | ||
746 | self.db.execute("INSERT INTO countries(country_code, name, continent_code) \ | |
747 | VALUES(%s, %s, %s) ON CONFLICT DO NOTHING", country_code, name, continent_code) | |
748 | ||
6ffd06b5 MT |
749 | |
750 | def split_line(line): | |
751 | key, colon, val = line.partition(":") | |
752 | ||
753 | # Strip any excess space | |
754 | key = key.strip() | |
755 | val = val.strip() | |
78ff0cf2 | 756 | |
6ffd06b5 | 757 | return key, val |
78ff0cf2 MT |
758 | |
759 | def main(): | |
760 | # Run the command line interface | |
761 | c = CLI() | |
762 | c.run() | |
763 | ||
764 | main() |