2 ###############################################################################
4 # libloc - A library to determine the location of someone on the Internet #
6 # Copyright (C) 2020-2021 IPFire Development Team <info@ipfire.org> #
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. #
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. #
18 ###############################################################################
29 # Load our location module
31 import location
.database
32 import location
.importer
33 from location
.i18n
import _
36 log
= logging
.getLogger("location.importer")
41 parser
= argparse
.ArgumentParser(
42 description
=_("Location Importer Command Line Interface"),
44 subparsers
= parser
.add_subparsers()
46 # Global configuration flags
47 parser
.add_argument("--debug", action
="store_true",
48 help=_("Enable debug output"))
49 parser
.add_argument("--quiet", action
="store_true",
50 help=_("Enable quiet mode"))
53 parser
.add_argument("--version", action
="version",
54 version
="%(prog)s @VERSION@")
57 parser
.add_argument("--database-host", required
=True,
58 help=_("Database Hostname"), metavar
=_("HOST"))
59 parser
.add_argument("--database-name", required
=True,
60 help=_("Database Name"), metavar
=_("NAME"))
61 parser
.add_argument("--database-username", required
=True,
62 help=_("Database Username"), metavar
=_("USERNAME"))
63 parser
.add_argument("--database-password", required
=True,
64 help=_("Database Password"), metavar
=_("PASSWORD"))
67 write
= subparsers
.add_parser("write", help=_("Write database to file"))
68 write
.set_defaults(func
=self
.handle_write
)
69 write
.add_argument("file", nargs
=1, help=_("Database File"))
70 write
.add_argument("--signing-key", nargs
="?", type=open, help=_("Signing Key"))
71 write
.add_argument("--backup-signing-key", nargs
="?", type=open, help=_("Backup Signing Key"))
72 write
.add_argument("--vendor", nargs
="?", help=_("Sets the vendor"))
73 write
.add_argument("--description", nargs
="?", help=_("Sets a description"))
74 write
.add_argument("--license", nargs
="?", help=_("Sets the license"))
75 write
.add_argument("--version", type=int, help=_("Database Format Version"))
78 update_whois
= subparsers
.add_parser("update-whois", help=_("Update WHOIS Information"))
79 update_whois
.set_defaults(func
=self
.handle_update_whois
)
81 # Update announcements
82 update_announcements
= subparsers
.add_parser("update-announcements",
83 help=_("Update BGP Annoucements"))
84 update_announcements
.set_defaults(func
=self
.handle_update_announcements
)
85 update_announcements
.add_argument("server", nargs
=1,
86 help=_("Route Server to connect to"), metavar
=_("SERVER"))
89 update_overrides
= subparsers
.add_parser("update-overrides",
90 help=_("Update overrides"),
92 update_overrides
.add_argument(
93 "files", nargs
="+", help=_("Files to import"),
95 update_overrides
.set_defaults(func
=self
.handle_update_overrides
)
98 import_countries
= subparsers
.add_parser("import-countries",
99 help=_("Import countries"),
101 import_countries
.add_argument("file", nargs
=1, type=argparse
.FileType("r"),
102 help=_("File to import"))
103 import_countries
.set_defaults(func
=self
.handle_import_countries
)
105 args
= parser
.parse_args()
109 location
.logger
.set_level(logging
.DEBUG
)
111 location
.logger
.set_level(logging
.WARNING
)
113 # Print usage if no action was given
114 if not "func" in args
:
121 # Parse command line arguments
122 args
= self
.parse_cli()
124 # Initialise database
125 self
.db
= self
._setup
_database
(args
)
128 ret
= args
.func(args
)
130 # Return with exit code
134 # Otherwise just exit
137 def _setup_database(self
, ns
):
139 Initialise the database
141 # Connect to database
142 db
= location
.database
.Connection(
143 host
=ns
.database_host
, database
=ns
.database_name
,
144 user
=ns
.database_username
, password
=ns
.database_password
,
147 with db
.transaction():
150 CREATE TABLE IF NOT EXISTS announcements(network inet, autnum bigint,
151 first_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP,
152 last_seen_at timestamp without time zone DEFAULT CURRENT_TIMESTAMP);
153 CREATE UNIQUE INDEX IF NOT EXISTS announcements_networks ON announcements(network);
154 CREATE INDEX IF NOT EXISTS announcements_family ON announcements(family(network));
155 CREATE INDEX IF NOT EXISTS announcements_search ON announcements USING GIST(network inet_ops);
158 CREATE TABLE IF NOT EXISTS autnums(number bigint, name text NOT NULL);
159 CREATE UNIQUE INDEX IF NOT EXISTS autnums_number ON autnums(number);
162 CREATE TABLE IF NOT EXISTS countries(
163 country_code text NOT NULL, name text NOT NULL, continent_code text NOT NULL);
164 CREATE UNIQUE INDEX IF NOT EXISTS countries_country_code ON countries(country_code);
167 CREATE TABLE IF NOT EXISTS networks(network inet, country text);
168 CREATE UNIQUE INDEX IF NOT EXISTS networks_network ON networks(network);
169 CREATE INDEX IF NOT EXISTS networks_family ON networks USING BTREE(family(network));
170 CREATE INDEX IF NOT EXISTS networks_search ON networks USING GIST(network inet_ops);
173 CREATE TABLE IF NOT EXISTS autnum_overrides(
174 number bigint NOT NULL,
177 is_anonymous_proxy boolean,
178 is_satellite_provider boolean,
181 CREATE UNIQUE INDEX IF NOT EXISTS autnum_overrides_number
182 ON autnum_overrides(number);
184 CREATE TABLE IF NOT EXISTS network_overrides(
185 network inet NOT NULL,
187 is_anonymous_proxy boolean,
188 is_satellite_provider boolean,
191 CREATE UNIQUE INDEX IF NOT EXISTS network_overrides_network
192 ON network_overrides(network);
193 CREATE INDEX IF NOT EXISTS network_overrides_search
194 ON network_overrides USING GIST(network inet_ops);
199 def handle_write(self
, ns
):
201 Compiles a database in libloc format out of what is in the database
204 writer
= location
.Writer(ns
.signing_key
, ns
.backup_signing_key
)
208 writer
.vendor
= ns
.vendor
211 writer
.description
= ns
.description
214 writer
.license
= ns
.license
216 # Add all Autonomous Systems
217 log
.info("Writing Autonomous Systems...")
219 # Select all ASes with a name
220 rows
= self
.db
.query("""
222 autnums.number AS number,
224 (SELECT overrides.name FROM autnum_overrides overrides
225 WHERE overrides.number = autnums.number),
229 WHERE name <> %s ORDER BY number
233 a
= writer
.add_as(row
.number
)
237 log
.info("Writing networks...")
239 # Select all known networks
240 rows
= self
.db
.query("""
241 -- Return a list of those networks enriched with all
242 -- other information that we store in the database
244 DISTINCT ON (network)
251 SELECT country FROM network_overrides overrides
252 WHERE networks.network <<= overrides.network
253 ORDER BY masklen(overrides.network) DESC
257 SELECT country FROM autnum_overrides overrides
258 WHERE networks.autnum = overrides.number
266 SELECT is_anonymous_proxy FROM network_overrides overrides
267 WHERE networks.network <<= overrides.network
268 ORDER BY masklen(overrides.network) DESC
272 SELECT is_anonymous_proxy FROM autnum_overrides overrides
273 WHERE networks.autnum = overrides.number
276 ) AS is_anonymous_proxy,
279 SELECT is_satellite_provider FROM network_overrides overrides
280 WHERE networks.network <<= overrides.network
281 ORDER BY masklen(overrides.network) DESC
285 SELECT is_satellite_provider FROM autnum_overrides overrides
286 WHERE networks.autnum = overrides.number
289 ) AS is_satellite_provider,
292 SELECT is_anycast FROM network_overrides overrides
293 WHERE networks.network <<= overrides.network
294 ORDER BY masklen(overrides.network) DESC
298 SELECT is_anycast FROM autnum_overrides overrides
299 WHERE networks.autnum = overrides.number
305 known_networks.network AS network,
306 announcements.autnum AS autnum,
307 networks.country AS country,
309 -- Must be part of returned values for ORDER BY clause
310 masklen(announcements.network) AS sort_a,
311 masklen(networks.network) AS sort_b
313 SELECT network FROM announcements
315 SELECT network FROM networks
317 SELECT network FROM network_overrides
320 announcements ON known_networks.network <<= announcements.network
322 networks ON known_networks.network <<= networks.network
324 known_networks.network,
331 network
= writer
.add_network(row
.network
)
335 network
.country_code
= row
.country
339 network
.asn
= row
.autnum
342 if row
.is_anonymous_proxy
:
343 network
.set_flag(location
.NETWORK_FLAG_ANONYMOUS_PROXY
)
345 if row
.is_satellite_provider
:
346 network
.set_flag(location
.NETWORK_FLAG_SATELLITE_PROVIDER
)
349 network
.set_flag(location
.NETWORK_FLAG_ANYCAST
)
352 log
.info("Writing countries...")
353 rows
= self
.db
.query("SELECT * FROM countries ORDER BY country_code")
356 c
= writer
.add_country(row
.country_code
)
357 c
.continent_code
= row
.continent_code
360 # Write everything to file
361 log
.info("Writing database to file...")
365 def handle_update_whois(self
, ns
):
366 downloader
= location
.importer
.Downloader()
368 # Download all sources
369 with self
.db
.transaction():
370 # Create some temporary tables to store parsed data
372 CREATE TEMPORARY TABLE _autnums(number integer, organization text)
374 CREATE UNIQUE INDEX _autnums_number ON _autnums(number);
376 CREATE TEMPORARY TABLE _organizations(handle text, name text NOT NULL)
378 CREATE UNIQUE INDEX _organizations_handle ON _organizations(handle);
380 CREATE TEMPORARY TABLE _rirdata(network inet NOT NULL, country text NOT NULL)
382 CREATE INDEX _rirdata_search ON _rirdata USING BTREE(family(network), masklen(network));
383 CREATE UNIQUE INDEX _rirdata_network ON _rirdata(network);
386 # Remove all previously imported content
388 TRUNCATE TABLE networks;
391 for source
in location
.importer
.WHOIS_SOURCES
:
392 with downloader
.request(source
, return_blocks
=True) as f
:
394 self
._parse
_block
(block
)
396 # Process all parsed networks from every RIR we happen to have access to,
397 # insert the largest network chunks into the networks table immediately...
398 families
= self
.db
.query("SELECT DISTINCT family(network) AS family FROM _rirdata ORDER BY family(network)")
400 for family
in (row
.family
for row
in families
):
401 smallest
= self
.db
.get("SELECT MIN(masklen(network)) AS prefix FROM _rirdata WHERE family(network) = %s", family
)
403 self
.db
.execute("INSERT INTO networks(network, country) \
404 SELECT network, country FROM _rirdata WHERE masklen(network) = %s AND family(network) = %s", smallest
.prefix
, family
)
406 # ... determine any other prefixes for this network family, ...
407 prefixes
= self
.db
.query("SELECT DISTINCT masklen(network) AS prefix FROM _rirdata \
408 WHERE family(network) = %s ORDER BY masklen(network) ASC OFFSET 1", family
)
410 # ... and insert networks with this prefix in case they provide additional
411 # information (i. e. subnet of a larger chunk with a different country)
412 for prefix
in (row
.prefix
for row
in prefixes
):
421 family(_rirdata.network) = %s
423 masklen(_rirdata.network) = %s
427 DISTINCT ON (c.network)
430 masklen(networks.network),
431 networks.country AS parent_country
437 c.network << networks.network
440 masklen(networks.network) DESC NULLS LAST
443 networks(network, country)
450 parent_country IS NULL
452 country <> parent_country
453 ON CONFLICT DO NOTHING""",
458 INSERT INTO autnums(number, name)
459 SELECT _autnums.number, _organizations.name FROM _autnums
460 JOIN _organizations ON _autnums.organization = _organizations.handle
461 ON CONFLICT (number) DO UPDATE SET name = excluded.name;
464 # Download all extended sources
465 for source
in location
.importer
.EXTENDED_SOURCES
:
466 with self
.db
.transaction():
468 with downloader
.request(source
) as f
:
470 self
._parse
_line
(line
)
472 def _check_parsed_network(self
, network
):
474 Assistive function to detect and subsequently sort out parsed
475 networks from RIR data (both Whois and so-called "extended sources"),
478 (a) not globally routable (RFC 1918 space, et al.)
479 (b) covering a too large chunk of the IP address space (prefix length
480 is < 7 for IPv4 networks, and < 10 for IPv6)
481 (c) "0.0.0.0" or "::" as a network address
482 (d) are too small for being publicly announced (we have decided not to
483 process them at the moment, as they significantly enlarge our
484 database without providing very helpful additional information)
486 This unfortunately is necessary due to brain-dead clutter across
487 various RIR databases, causing mismatches and eventually disruptions.
489 We will return False in case a network is not suitable for adding
490 it to our database, and True otherwise.
493 if not network
or not (isinstance(network
, ipaddress
.IPv4Network
) or isinstance(network
, ipaddress
.IPv6Network
)):
496 if not network
.is_global
:
497 log
.debug("Skipping non-globally routable network: %s" % network
)
500 if network
.version
== 4:
501 if network
.prefixlen
< 7:
502 log
.debug("Skipping too big IP chunk: %s" % network
)
505 if network
.prefixlen
> 24:
506 log
.debug("Skipping network too small to be publicly announced: %s" % network
)
509 if str(network
.network_address
) == "0.0.0.0":
510 log
.debug("Skipping network based on 0.0.0.0: %s" % network
)
513 elif network
.version
== 6:
514 if network
.prefixlen
< 10:
515 log
.debug("Skipping too big IP chunk: %s" % network
)
518 if network
.prefixlen
> 48:
519 log
.debug("Skipping network too small to be publicly announced: %s" % network
)
522 if str(network
.network_address
) == "::":
523 log
.debug("Skipping network based on '::': %s" % network
)
527 # This should not happen...
528 log
.warning("Skipping network of unknown family, this should not happen: %s" % network
)
531 # In case we have made it here, the network is considered to
532 # be suitable for libloc consumption...
535 def _parse_block(self
, block
):
536 # Get first line to find out what type of block this is
540 if line
.startswith("aut-num:"):
541 return self
._parse
_autnum
_block
(block
)
544 if line
.startswith("inet6num:") or line
.startswith("inetnum:"):
545 return self
._parse
_inetnum
_block
(block
)
548 elif line
.startswith("organisation:"):
549 return self
._parse
_org
_block
(block
)
551 def _parse_autnum_block(self
, block
):
555 key
, val
= split_line(line
)
558 m
= re
.match(r
"^(AS|as)(\d+)", val
)
560 autnum
["asn"] = m
.group(2)
563 autnum
[key
] = val
.upper()
569 # Insert into database
570 self
.db
.execute("INSERT INTO _autnums(number, organization) \
571 VALUES(%s, %s) ON CONFLICT (number) DO UPDATE SET \
572 organization = excluded.organization",
573 autnum
.get("asn"), autnum
.get("org"),
576 def _parse_inetnum_block(self
, block
):
577 log
.debug("Parsing inetnum block:")
584 key
, val
= split_line(line
)
586 # Filter any inetnum records which are only referring to IP space
587 # not managed by that specific RIR...
589 if re
.match(r
"(ERX-NETBLOCK|(AFRINIC|ARIN|LACNIC|RIPE)-CIDR-BLOCK|IANA-NETBLOCK-\d{1,3}|NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK)", val
.strip()):
590 log
.debug("Skipping record indicating historic/orphaned data: %s" % val
.strip())
594 start_address
, delim
, end_address
= val
.partition("-")
596 # Strip any excess space
597 start_address
, end_address
= start_address
.rstrip(), end_address
.strip()
599 # Convert to IP address
601 start_address
= ipaddress
.ip_address(start_address
)
602 end_address
= ipaddress
.ip_address(end_address
)
604 log
.warning("Could not parse line: %s" % line
)
607 inetnum
["inetnum"] = list(ipaddress
.summarize_address_range(start_address
, end_address
))
609 elif key
== "inet6num":
610 inetnum
[key
] = [ipaddress
.ip_network(val
, strict
=False)]
612 elif key
== "country":
613 inetnum
[key
] = val
.upper()
616 if not inetnum
or not "country" in inetnum
:
619 # Skip objects with bogus country code 'ZZ'
620 if inetnum
.get("country") == "ZZ":
621 log
.warning("Skipping network with bogus country 'ZZ': %s" % \
622 (inetnum
.get("inet6num") or inetnum
.get("inetnum")))
625 # Iterate through all networks enumerated from above, check them for plausibility and insert
626 # them into the database, if _check_parsed_network() succeeded
627 for single_network
in inetnum
.get("inet6num") or inetnum
.get("inetnum"):
628 if self
._check
_parsed
_network
(single_network
):
629 self
.db
.execute("INSERT INTO _rirdata(network, country) \
630 VALUES(%s, %s) ON CONFLICT (network) DO UPDATE SET country = excluded.country",
631 "%s" % single_network
, inetnum
.get("country"),
634 def _parse_org_block(self
, block
):
638 key
, val
= split_line(line
)
640 if key
== "organisation":
641 org
[key
] = val
.upper()
642 elif key
== "org-name":
649 self
.db
.execute("INSERT INTO _organizations(handle, name) \
650 VALUES(%s, %s) ON CONFLICT (handle) DO \
651 UPDATE SET name = excluded.name",
652 org
.get("organisation"), org
.get("org-name"),
655 def _parse_line(self
, line
):
657 if line
.startswith("2"):
661 if line
.startswith("#"):
665 registry
, country_code
, type, line
= line
.split("|", 3)
667 log
.warning("Could not parse line: %s" % line
)
670 # Skip any lines that are for stats only
671 if country_code
== "*":
674 if type in ("ipv6", "ipv4"):
675 return self
._parse
_ip
_line
(country_code
, type, line
)
677 def _parse_ip_line(self
, country
, type, line
):
679 address
, prefix
, date
, status
, organization
= line
.split("|")
683 # Try parsing the line without organization
685 address
, prefix
, date
, status
= line
.split("|")
687 log
.warning("Unhandled line format: %s" % line
)
690 # Skip anything that isn't properly assigned
691 if not status
in ("assigned", "allocated"):
694 # Cast prefix into an integer
698 log
.warning("Invalid prefix: %s" % prefix
)
701 # Fix prefix length for IPv4
703 prefix
= 32 - int(math
.log(prefix
, 2))
705 # Try to parse the address
707 network
= ipaddress
.ip_network("%s/%s" % (address
, prefix
), strict
=False)
709 log
.warning("Invalid IP address: %s" % address
)
712 if not self
._check
_parsed
_network
(network
):
715 self
.db
.execute("INSERT INTO networks(network, country) \
716 VALUES(%s, %s) ON CONFLICT (network) DO \
717 UPDATE SET country = excluded.country",
718 "%s" % network
, country
,
721 def handle_update_announcements(self
, ns
):
722 server
= ns
.server
[0]
724 with self
.db
.transaction():
725 if server
.startswith("/"):
726 self
._handle
_update
_announcements
_from
_bird
(server
)
728 self
._handle
_update
_announcements
_from
_telnet
(server
)
730 # Purge anything we never want here
732 -- Delete default routes
733 DELETE FROM announcements WHERE network = '::/0' OR network = '0.0.0.0/0';
735 -- Delete anything that is not global unicast address space
736 DELETE FROM announcements WHERE family(network) = 6 AND NOT network <<= '2000::/3';
738 -- DELETE "current network" address space
739 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '0.0.0.0/8';
741 -- DELETE local loopback address space
742 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '127.0.0.0/8';
744 -- DELETE RFC 1918 address space
745 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '10.0.0.0/8';
746 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '172.16.0.0/12';
747 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.168.0.0/16';
749 -- DELETE test, benchmark and documentation address space
750 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.0.0/24';
751 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.0.2.0/24';
752 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.18.0.0/15';
753 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '198.51.100.0/24';
754 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '203.0.113.0/24';
756 -- DELETE CGNAT address space (RFC 6598)
757 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '100.64.0.0/10';
759 -- DELETE link local address space
760 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '169.254.0.0/16';
762 -- DELETE IPv6 to IPv4 (6to4) address space (RFC 3068)
763 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '192.88.99.0/24';
764 DELETE FROM announcements WHERE family(network) = 6 AND network <<= '2002::/16';
766 -- DELETE multicast and reserved address space
767 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '224.0.0.0/4';
768 DELETE FROM announcements WHERE family(network) = 4 AND network <<= '240.0.0.0/4';
770 -- Delete networks that are too small to be in the global routing table
771 DELETE FROM announcements WHERE family(network) = 6 AND masklen(network) > 48;
772 DELETE FROM announcements WHERE family(network) = 4 AND masklen(network) > 24;
774 -- Delete any non-public or reserved ASNs
775 DELETE FROM announcements WHERE NOT (
776 (autnum >= 1 AND autnum <= 23455)
778 (autnum >= 23457 AND autnum <= 64495)
780 (autnum >= 131072 AND autnum <= 4199999999)
783 -- Delete everything that we have not seen for 14 days
784 DELETE FROM announcements WHERE last_seen_at <= CURRENT_TIMESTAMP - INTERVAL '14 days';
787 def _handle_update_announcements_from_bird(self
, server
):
788 # Pre-compile the regular expression for faster searching
789 route
= re
.compile(b
"^\s(.+?)\s+.+?\[AS(.*?).\]$")
791 log
.info("Requesting routing table from Bird (%s)" % server
)
793 # Send command to list all routes
794 for line
in self
._bird
_cmd
(server
, "show route"):
795 m
= route
.match(line
)
797 log
.debug("Could not parse line: %s" % line
.decode())
800 # Fetch the extracted network and ASN
801 network
, autnum
= m
.groups()
803 # Insert it into the database
804 self
.db
.execute("INSERT INTO announcements(network, autnum) \
805 VALUES(%s, %s) ON CONFLICT (network) DO \
806 UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP",
807 network
.decode(), autnum
.decode(),
810 def _handle_update_announcements_from_telnet(self
, server
):
811 # Pre-compile regular expression for routes
812 route
= re
.compile(b
"^\*[\s\>]i([^\s]+).+?(\d+)\si\r\n", re
.MULTILINE|re
.DOTALL
)
814 with telnetlib
.Telnet(server
) as t
:
817 # t.set_debuglevel(10)
819 # Wait for console greeting
820 greeting
= t
.read_until(b
"> ", timeout
=30)
822 log
.error("Could not get a console prompt")
826 t
.write(b
"terminal length 0\n")
828 # Wait for the prompt to return
831 # Fetch the routing tables
832 for protocol
in ("ipv6", "ipv4"):
833 log
.info("Requesting %s routing table" % protocol
)
835 # Request the full unicast routing table
836 t
.write(b
"show bgp %s unicast\n" % protocol
.encode())
838 # Read entire header which ends with "Path"
839 t
.read_until(b
"Path\r\n")
842 # Try reading a full entry
843 # Those might be broken across multiple lines but ends with i
844 line
= t
.read_until(b
"i\r\n", timeout
=5)
848 # Show line for debugging
849 #log.debug(repr(line))
851 # Try finding a route in here
852 m
= route
.match(line
)
854 network
, autnum
= m
.groups()
856 # Convert network to string
857 network
= network
.decode()
859 # Append /24 for IPv4 addresses
860 if not "/" in network
and not ":" in network
:
861 network
= "%s/24" % network
863 # Convert AS number to integer
866 log
.info("Found announcement for %s by %s" % (network
, autnum
))
868 self
.db
.execute("INSERT INTO announcements(network, autnum) \
869 VALUES(%s, %s) ON CONFLICT (network) DO \
870 UPDATE SET autnum = excluded.autnum, last_seen_at = CURRENT_TIMESTAMP",
874 log
.info("Finished reading the %s routing table" % protocol
)
876 def _bird_cmd(self
, socket_path
, command
):
877 # Connect to the socket
878 s
= socket
.socket(socket
.AF_UNIX
, socket
.SOCK_STREAM
)
879 s
.connect(socket_path
)
881 # Allocate some buffer
885 s
.send(b
"%s\n" % command
.encode())
889 buffer += s
.recv(4096)
892 # Search for the next newline
893 pos
= buffer.find(b
"\n")
895 # If we cannot find one, we go back and read more data
899 # Cut after the newline character
902 # Split the line we want and keep the rest in buffer
903 line
, buffer = buffer[:pos
], buffer[pos
:]
905 # Look for the end-of-output indicator
906 if line
== b
"0000 \n":
909 # Otherwise return the line
912 def handle_update_overrides(self
, ns
):
913 with self
.db
.transaction():
914 # Drop all data that we have
916 TRUNCATE TABLE autnum_overrides;
917 TRUNCATE TABLE network_overrides;
920 for file in ns
.files
:
921 log
.info("Reading %s..." % file)
923 with
open(file, "rb") as f
:
924 for type, block
in location
.importer
.read_blocks(f
):
926 network
= block
.get("net")
927 # Try to parse and normalise the network
929 network
= ipaddress
.ip_network(network
, strict
=False)
930 except ValueError as e
:
931 log
.warning("Invalid IP network: %s: %s" % (network
, e
))
934 # Prevent that we overwrite all networks
935 if network
.prefixlen
== 0:
936 log
.warning("Skipping %s: You cannot overwrite default" % network
)
940 INSERT INTO network_overrides(
944 is_satellite_provider,
946 ) VALUES (%s, %s, %s, %s, %s)
947 ON CONFLICT (network) DO NOTHING""",
949 block
.get("country"),
950 self
._parse
_bool
(block
, "is-anonymous-proxy"),
951 self
._parse
_bool
(block
, "is-satellite-provider"),
952 self
._parse
_bool
(block
, "is-anycast"),
955 elif type == "aut-num":
956 autnum
= block
.get("aut-num")
958 # Check if AS number begins with "AS"
959 if not autnum
.startswith("AS"):
960 log
.warning("Invalid AS number: %s" % autnum
)
967 INSERT INTO autnum_overrides(
972 is_satellite_provider,
974 ) VALUES(%s, %s, %s, %s, %s, %s)
975 ON CONFLICT DO NOTHING""",
978 block
.get("country"),
979 self
._parse
_bool
(block
, "is-anonymous-proxy"),
980 self
._parse
_bool
(block
, "is-satellite-provider"),
981 self
._parse
_bool
(block
, "is-anycast"),
985 log
.warning("Unsupported type: %s" % type)
988 def _parse_bool(block
, key
):
991 # There is no point to proceed when we got None
995 # Convert to lowercase
999 if val
in ("yes", "1"):
1003 if val
in ("no", "0"):
1009 def handle_import_countries(self
, ns
):
1010 with self
.db
.transaction():
1011 # Drop all data that we have
1012 self
.db
.execute("TRUNCATE TABLE countries")
1014 for file in ns
.file:
1016 line
= line
.rstrip()
1018 # Ignore any comments
1019 if line
.startswith("#"):
1023 country_code
, continent_code
, name
= line
.split(maxsplit
=2)
1025 log
.warning("Could not parse line: %s" % line
)
1028 self
.db
.execute("INSERT INTO countries(country_code, name, continent_code) \
1029 VALUES(%s, %s, %s) ON CONFLICT DO NOTHING", country_code
, name
, continent_code
)
1032 def split_line(line
):
1033 key
, colon
, val
= line
.partition(":")
1035 # Strip any excess space
1042 # Run the command line interface