source: genesis/tools/gformat.py@ 14169

Last change on this file since 14169 was 14169, checked in by rick, 7 years ago

Fix files not found error on first run

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1#!/usr/local/bin/python
2#
3# vim:ts=2:et:sw=2:ai
4# Wireless Leiden configuration generator, based on yaml files'
5#
6# XXX: This should be rewritten to make use of the ipaddr.py library.
7#
8# Sample apache configuration (mind the AcceptPathInfo!)
9# Alias /config /usr/local/www/config
10# <Directory /usr/local/www/config>
11# AddHandler cgi-script .py
12# Require all granted
13#
14# RewriteEngine on
15# RewriteCond %{REQUEST_FILENAME} !-f
16# RewriteRule ^(.*)$ gformat.py/$1 [L,QSA]
17# Options +FollowSymlinks +ExecCGI
18# </Directory>
19#
20# Package dependencies list:
21# FreeBSD:
22# pkg install devel/py-Jinja2 graphics/py-pyproj devel/py-yaml lang/python
23# Fedora:
24# yum install python-yaml pyproj proj-epsg python-jinja2
25#
26# Rick van der Zwet <info@rickvanderzwet.nl>
27#
28
29# Hack to make the script directory is also threated as a module search path.
30import sys
31import os
32sys.path.append(os.path.dirname(__file__))
33
34SVN = filter(os.path.isfile, ('/usr/local/bin/svn', '/usr/bin/svn'))[0]
35SVNVERSION = filter(os.path.isfile, ('/usr/local/bin/svnversion', '/usr/bin/svnversion'))[0]
36
37import argparse
38import cgi
39import cgitb
40import copy
41import glob
42import make_network_kml
43import math
44import pyproj
45import random
46import re
47import socket
48import string
49import subprocess
50import textwrap
51import time
52import traceback
53import urlparse
54
55from pprint import pprint
56from collections import defaultdict, OrderedDict
57from sys import stderr
58try:
59 import yaml
60except ImportError, e:
61 print e
62 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
63 exit(1)
64
65try:
66 from yaml import CLoader as Loader
67 from yaml import CDumper as Dumper
68except ImportError:
69 from yaml import Loader, Dumper
70
71from jinja2 import Environment, Template
72def yesorno(value):
73 return "YES" if bool(value) else "NO"
74env = Environment()
75env.filters['yesorno'] = yesorno
76def render_template(datadump, template):
77 result = env.from_string(template).render(datadump)
78 # Make it look pretty to the naked eye, as jinja templates are not so
79 # friendly when it comes to whitespace formatting
80 ## Remove extra whitespace at end of line lstrip() style.
81 result = re.sub(r'\n[\ ]+','\n', result)
82 ## Include only a single newline between an definition and a comment
83 result = re.sub(r'(["\'])\n+([a-z]|\n#\n)',r'\1\n\2', result)
84 ## Remove extra newlines after single comment
85 result = re.sub(r'(#\n)\n+([a-z])',r'\1\2', result)
86 return result
87
88import logging
89logging.basicConfig(format='# %(levelname)s: %(message)s' )
90logger = logging.getLogger()
91logger.setLevel(logging.DEBUG)
92
93
94if os.environ.has_key('CONFIGROOT'):
95 NODE_DIR = os.environ['CONFIGROOT']
96else:
97 NODE_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__))) + '/../nodes'
98__version__ = '$Id: gformat.py 14169 2018-05-22 19:44:04Z rick $'
99
100CACHE_DIR = os.path.abspath(os.path.dirname(__file__))
101
102files = [
103 'authorized_keys',
104 'dnsmasq.conf',
105 'dhcpd.conf',
106 'rc.conf.local',
107 'resolv.conf',
108 'motd',
109 'ntp.conf',
110 'pf.hybrid.conf.local',
111 'unbound.wleiden.conf',
112 'wleiden.yaml',
113 ]
114
115# Global variables uses
116OK = 10
117DOWN = 20
118UNKNOWN = 90
119
120
121ileiden_proxies = OrderedDict()
122normal_proxies = []
123datadump_cache = {}
124interface_list_cache = {}
125rc_conf_local_cache = {}
126nameservers_cache = []
127relations_cache = None
128
129NO_DHCP = 0
130DHCP_CLIENT = 10
131DHCP_SERVER = 20
132def dhcp_type(item):
133 if not item.has_key('dhcp'):
134 return NO_DHCP
135 elif not item['dhcp']:
136 return NO_DHCP
137 elif item['dhcp'].lower() == 'client':
138 return DHCP_CLIENT
139 else:
140 # Validation Checks
141 begin,end = map(int,item['dhcp'].split('-'))
142 if begin >= end:
143 raise ValueError("DHCP Start >= DHCP End")
144 return DHCP_SERVER
145
146def etrs2rd(lat, lon):
147 p1 = pyproj.Proj(proj='latlon',datum='WGS84')
148 p2 = pyproj.Proj(init='EPSG:28992')
149 RDx, RDy = pyproj.transform(p1,p2,lon, lat)
150 return (RDx, RDy)
151
152def rd2etrs(RDx, RDy):
153 p1 = pyproj.Proj(init='EPSG:28992')
154 p2 = pyproj.Proj(proj='latlon',datum='WGS84')
155 lon, lat = pyproj.transform(p1,p2, RDx, RDy)
156 return (lat, lon)
157
158def get_yaml(item,add_version_info=True):
159 try:
160 """ Get configuration yaml for 'item'"""
161 if datadump_cache.has_key(item):
162 return datadump_cache[item].copy()
163
164 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
165 global_rdr_file = os.path.join(NODE_DIR,'global_rdr_rules.yaml')
166 d = yaml.load(open(global_rdr_file, 'r'), Loader=Loader)
167
168 # Default values
169 datadump = {
170 'autogen_revision' : 'NOTFOUND',
171 'autogen_gfile' : gfile,
172 'service_proxy_ileiden' : False,
173 }
174 f = open(gfile, 'r')
175 datadump.update(yaml.load(f,Loader=Loader))
176 datadump['autogen_global_rdr_rules'] = d['global_rdr_rules']
177 if datadump['nodetype'] == 'Hybrid':
178 # Some values are defined implicitly
179 if datadump.has_key('rdr_host') and datadump['rdr_host'] and not datadump.has_key('service_incoming_rdr'):
180 datadump['service_incoming_rdr'] = True
181 # Use some boring defaults
182 defaults = {
183 'service_proxy_normal' : False,
184 'service_accesspoint' : True,
185 'service_incoming_rdr' : False,
186 'service_concentrator' : False,
187 'monitoring_group' : 'wleiden',
188 }
189 for (key,value) in defaults.iteritems():
190 if not datadump.has_key(key):
191 datadump[key] = value
192 f.close()
193
194 # Sometimes getting version information is useless or harmfull, like in the pre-commit hooks
195 if add_version_info:
196 p = subprocess.Popen([SVN, 'info', datadump['autogen_gfile']], stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
197 lines = p.communicate()[0].split('\n')
198 if p.returncode == 0:
199 for line in lines:
200 if line:
201 (key, value) = line.split(': ')
202 datadump["autogen_" + key.lower().replace(' ','_')] = value
203
204 # Preformat certain needed variables for formatting and push those into special object
205 datadump['autogen_iface_keys'] = get_interface_keys(datadump)
206
207 wlan_count=0
208 try:
209 for key in get_interface_keys(datadump, True):
210 datadump[key]['autogen_ifbase'] = key.split('_')[1]
211 datadump[key]['autogen_vlan'] = False
212 datadump[key]['autogen_vlan_alias'] = False
213
214 datadump[key]['autogen_bridge_member'] = datadump[key].has_key('parent')
215 datadump[key]['autogen_bridge'] = datadump[key]['autogen_ifbase'].startswith('bridge')
216 datadump[key]['autogen_bridge_alias'] = datadump[key]['autogen_ifbase'].startswith('bridge') and '_alias' in key
217
218 if datadump[key].has_key('parent'):
219 if datadump[key].has_key('ip'):
220 raise ValueError("Interface bridge member cannot have IP assigned")
221 if datadump[key].has_key('dhcp') and datadump[key]['dhcp'] != False:
222 raise ValueError("Interface bridge member cannot have DHCP set")
223
224 if datadump[key].has_key('ip'):
225 datadump[key]['autogen_gateway'] = datadump[key]['ip'].split('/')[0]
226
227 if datadump[key]['type'] in ['11a', '11b', '11g', 'wireless']:
228 datadump[key]['autogen_ifname'] = 'wlan%i' % wlan_count
229 datadump[key]['autogen_iface'] = 'wlan%i' % wlan_count
230 datadump[key]['autogen_if_dhcp'] = 'wlan%i' % wlan_count
231 wlan_count += 1
232 else:
233 datadump[key]['autogen_ifname'] = '_'.join(key.split('_')[1:])
234 if len(key.split('_')) > 2 and key.split('_')[2].isdigit():
235 datadump[key]['autogen_if_dhcp'] = '.'.join(key.split('_')[1:3])
236 datadump[key]['autogen_vlan'] = key.split('_')[2]
237 datadump[key]['autogen_vlan_alias'] = '_alias' in key
238 datadump[key]['autogen_iface'] = '.'.join(key.split('_')[1:])
239 else:
240 datadump[key]['autogen_if_dhcp'] = datadump[key]['autogen_ifbase']
241 datadump[key]['autogen_iface'] = '_'.join(key.split('_')[1:])
242
243 except Exception as exc:
244 exc.args = ("# Error while processing interface %s" % key,) + exc.args
245 raise
246
247 dhcp_interfaces = [datadump[key]['autogen_if_dhcp'] for key in datadump['autogen_iface_keys'] \
248 if dhcp_type(datadump[key]) == DHCP_SERVER]
249
250 datadump['autogen_dhcp_interfaces'] = [x.replace('_','.') for x in set(dhcp_interfaces)]
251 datadump['autogen_item'] = item
252
253 datadump['autogen_domain'] = datadump['domain'] if datadump.has_key('domain') else 'wleiden.net.'
254 datadump['autogen_fqdn'] = datadump['nodename'] + '.' + datadump['autogen_domain']
255 datadump_cache[item] = datadump.copy()
256 except Exception as exc:
257 exc.args = ("# Error while processing %s" % item,) + exc.args
258 raise
259 return datadump
260
261
262def store_yaml(datadump, header=False):
263 """ Store configuration yaml for 'item'"""
264 item = datadump['autogen_item']
265 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
266
267 output = generate_wleiden_yaml(datadump, header)
268
269 f = open(gfile, 'w')
270 f.write(output)
271 f.close()
272
273
274def network(ip):
275 addr, mask = ip.split('/')
276 # Not parsing of these folks please
277 addr = parseaddr(addr)
278 mask = int(mask)
279 network = addr & ~((1 << (32 - mask)) - 1)
280 return network
281
282
283
284def make_relations():
285 """ Process _ALL_ yaml files to get connection relations """
286 global relations_cache
287
288 if relations_cache:
289 return relations_cache
290
291 errors = []
292 poel = defaultdict(list)
293
294 for host in get_hostlist():
295 datadump = get_yaml(host)
296 try:
297 for iface_key in get_interface_keys(datadump):
298 # Bridge members has no IP assigned
299 if 'parent' in datadump[iface_key] and not 'ip' in datadump[iface_key]:
300 continue
301 net_addr = network(datadump[iface_key]['ip'])
302 poel[net_addr] += [(host,datadump[iface_key].copy())]
303 except (KeyError, ValueError) as e:
304 errors.append("[FOUT] in '%s' interface '%s' (%s)" % (host,iface_key, type(e).__name__ + ': ' + str(e)))
305 continue
306
307 relations_cache = (poel, errors)
308 return relations_cache
309
310
311
312def valid_addr(addr):
313 """ Show which address is valid in which are not """
314 return str(addr).startswith('172.')
315
316def get_hostlist():
317 """ Combined hosts and proxy list"""
318 return sorted([os.path.basename(os.path.dirname(x)) for x in glob.glob("%s/*/wleiden.yaml" % (NODE_DIR))])
319
320def angle_between_points(lat1,lat2,long1,long2):
321 """
322 Return Angle in radians between two GPS coordinates
323 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
324 """
325 dy = lat2 - lat1
326 dx = math.cos(lat1)*(long2 - long1)
327 angle = math.atan2(dy,dx)
328 return angle
329
330
331
332def angle_to_cd(angle):
333 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
334
335 # For easy conversion get positive degree
336 degrees = math.degrees(angle)
337 abs_degrees = 360 + degrees if degrees < 0 else degrees
338
339 # Numbers can be confusing calculate from the 4 main directions
340 p = 22.5
341 if abs_degrees < p:
342 cd = "n"
343 elif abs_degrees < (90 - p):
344 cd = "no"
345 elif abs_degrees < (90 + p):
346 cd = "o"
347 elif abs_degrees < (180 - p):
348 cd = "zo"
349 elif abs_degrees < (180 + p):
350 cd = "z"
351 elif abs_degrees < (270 - p):
352 cd = "zw"
353 elif abs_degrees < (270 + p):
354 cd = "w"
355 elif abs_degrees < (360 - p):
356 cd = "nw"
357 else:
358 cd = "n"
359 return cd
360
361
362
363def cd_between_hosts(hostA, hostB, datadumps):
364 # Using RDNAP coordinates
365 dx = float(int(datadumps[hostA]['rdnap_x']) - int(datadumps[hostB]['rdnap_x'])) * -1
366 dy = float(int(datadumps[hostA]['rdnap_y']) - int(datadumps[hostB]['rdnap_y'])) * -1
367 return angle_to_cd(math.atan2(dx,dy))
368
369 # GPS coordinates seems to fail somehow
370 #latA = float(datadumps[hostA]['latitude'])
371 #latB = float(datadumps[hostB]['latitude'])
372 #lonA = float(datadumps[hostA]['longitude'])
373 #lonB = float(datadumps[hostB]['longitude'])
374 #return angle_to_cd(angle_between_points(latA, latB, lonA, lonB))
375
376
377def generate_title(nodelist):
378 """ Main overview page """
379 items = { \
380 'root' : ".",
381 'version' : subprocess.Popen([SVNVERSION, "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
382 }
383 def fl(spaces, line):
384 return (' ' * spaces) + line + '\n'
385
386 output = """
387<html>
388 <head>
389 <title>Wireless leiden Configurator - GFormat</title>
390 <style type="text/css">
391 th {background-color: #999999}
392 tr:nth-child(odd) {background-color: #cccccc}
393 tr:nth-child(even) {background-color: #ffffff}
394 th, td {padding: 0.1em 1em}
395 </style>
396 </head>
397 <body>
398 <center>
399 <form type="GET" action="%(root)s">
400 <input type="hidden" name="action" value="update">
401 <input type="submit" value="Update Configuration Database (SVN)">
402 </form>
403 <table>
404 <caption><h3>Wireless Leiden Configurator - Revision %(version)s</h3></caption>
405 """ % items
406
407 for node in nodelist:
408 items['node'] = node
409 output += fl(5, '<tr>') + fl(7,'<td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items)
410 for config in files:
411 items['config'] = config
412 output += fl(7,'<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items)
413 output += fl(5, "</tr>")
414 output += """
415 </table>
416 <hr />
417 <em>%s</em>
418 </center>
419 </body>
420</html>
421 """ % __version__
422
423 return output
424
425
426
427def generate_node(node):
428 """ Print overview of all files available for node """
429 return "\n".join(files)
430
431def generate_node_overview(host, datadump=False):
432 """ Print overview of all files available for node """
433 if not datadump:
434 datadump = get_yaml(host)
435 params = { 'host' : host }
436 output = "<em><a href='..'>Back to overview</a></em><hr />"
437 output += "<h2>Available files:</h2><ul>"
438 for cf in files:
439 params['cf'] = cf
440 output += '<li><a href="%(cf)s">%(cf)s</a></li>\n' % params
441 output += "</ul>"
442
443 # Generate and connection listing
444 output += "<h2>Connected To:</h2><ul>"
445 (poel, errors) = make_relations()
446 for network, hosts in poel.iteritems():
447 if host in [x[0] for x in hosts]:
448 if len(hosts) == 1:
449 # Single not connected interface
450 continue
451 for remote,ifacedump in hosts:
452 if remote == host:
453 # This side of the interface
454 continue
455 params = { 'remote': remote, 'remote_ip' : ifacedump['ip'] }
456 output += '<li><a href="../%(remote)s">%(remote)s</a> -- %(remote_ip)s</li>\n' % params
457 output += "</ul>"
458 output += "<h2>MOTD details:</h2><pre>" + generate_motd(datadump) + "</pre>"
459
460 output += "<hr /><em><a href='..'>Back to overview</a></em>"
461 return output
462
463
464def generate_header(datadump, ctag="#"):
465 return """\
466%(ctag)s
467%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
468%(ctag)s
469""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname(), 'revision' : datadump['autogen_revision'] }
470
471
472
473def parseaddr(s):
474 """ Process IPv4 CIDR notation addr to a (binary) number """
475 f = s.split('.')
476 return (long(f[0]) << 24L) + \
477 (long(f[1]) << 16L) + \
478 (long(f[2]) << 8L) + \
479 long(f[3])
480
481
482
483def showaddr(a):
484 """ Display IPv4 addr in (dotted) CIDR notation """
485 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
486
487
488def is_member(ip, mask, canidate):
489 """ Return True if canidate is part of ip/mask block"""
490 ip_addr = parseaddr(ip)
491 ip_canidate = parseaddr(canidate)
492 mask = int(mask)
493 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
494 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
495 return ip_addr == ip_canidate
496
497
498
499def cidr2netmask(netmask):
500 """ Given a 'netmask' return corresponding CIDR """
501 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
502
503def get_network(addr, mask):
504 return showaddr(parseaddr(addr) & ~((1 << (32 - int(mask))) - 1))
505
506
507def generate_dhcpd_conf(datadump):
508 """ Generate config file '/usr/local/etc/dhcpd.conf """
509 # Redundency support, in cause local DNS server is not running/responding.
510 datadump['autogen_backup_dns_servers'] = [x[1] for x in get_neighbours(datadump)]
511 output = generate_header(datadump)
512 output += Template("""\
513# option definitions common to all supported networks...
514option domain-name "dhcp.{{ autogen_fqdn }}";
515
516default-lease-time 600;
517max-lease-time 7200;
518
519# Use this to enble / disable dynamic dns updates globally.
520#ddns-update-style none;
521
522# If this DHCP server is the official DHCP server for the local
523# network, the authoritative directive should be uncommented.
524authoritative;
525
526# Use this to send dhcp log messages to a different log file (you also
527# have to hack syslog.conf to complete the redirection).
528log-facility local7;
529
530# UniFi Discovery Support
531option space ubnt;
532option ubnt.unifi-address code 1 = ip-address;
533#
534class "ubnt" {
535 match if substring (option vendor-class-identifier, 0, 4) = "ubnt";
536 option vendor-class-identifier "ubnt";
537 vendor-option-space ubnt;
538}
539
540#
541# Interface definitions
542#
543\n\n""").render(datadump)
544
545
546 # TODO: Use textwrap.fill instead
547 def indent(text, count):
548 return '\n'.join(map(lambda x: ' ' * count + x, text.split('\n')))
549
550 # Process DHCP blocks
551 dhcp_out = defaultdict(list)
552 for iface_key in get_interface_keys(datadump):
553 ifname = datadump[iface_key]['autogen_ifbase']
554 groupif = datadump[iface_key]['autogen_if_dhcp']
555 if not datadump[iface_key].has_key('comment'):
556 datadump[iface_key]['comment'] = None
557
558 if not datadump[iface_key].has_key('ip'):
559 continue
560
561 dhcp_out[groupif].append("## %(autogen_iface)s - %(comment)s\n" % datadump[iface_key])
562
563 (addr, mask) = datadump[iface_key]['ip'].split('/')
564 datadump[iface_key]['autogen_addr'] = addr
565 datadump[iface_key]['autogen_netmask'] = cidr2netmask(mask)
566 datadump[iface_key]['autogen_subnet'] = get_network(addr, mask)
567
568 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
569 dhcp_out[groupif].append(textwrap.dedent("""\
570 subnet %(autogen_subnet)s netmask %(autogen_netmask)s {
571 ### not autoritive
572 }
573 """ % datadump[iface_key]))
574 continue
575
576 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
577 dhcp_part = ".".join(addr.split('.')[0:3])
578 datadump[iface_key]['autogen_dhcp_start'] = dhcp_part + "." + dhcp_start
579 datadump[iface_key]['autogen_dhcp_stop'] = dhcp_part + "." + dhcp_stop
580 datadump[iface_key]['autogen_dns_servers'] = ','.join([datadump[iface_key]['autogen_addr']] + datadump['autogen_backup_dns_servers'])
581
582 # Assume the first 10 IPs could be used for static entries
583 if 'no_portal' in datadump:
584 fixed = 5
585 for mac in datadump['no_portal']:
586 dhcp_out[groupif].append(textwrap.dedent("""\
587 host fixed-%(ifname)s-%(fixed)s {
588 hardware ethernet %(mac)s;
589 fixed-address %(prefix)s.%(fixed)s;
590 }
591 """ % { 'ifname' : ifname, 'mac' : mac, 'prefix': dhcp_part, 'fixed' : fixed }))
592 fixed += 1
593
594 if 'dhcp_fixed' in datadump[iface_key]:
595 for (mac,addr,host) in datadump[iface_key]['dhcp_fixed']:
596 dhcp_out[groupif].append(textwrap.dedent("""\
597 host fixed-%(host)s {
598 hardware ethernet %(mac)s;
599 fixed-address %(addr)s;
600 }
601 """ % { 'host' : host, 'mac' : mac, 'addr' : addr}))
602
603
604 dhcp_out[groupif].append(textwrap.dedent("""\
605 subnet %(autogen_subnet)s netmask %(autogen_netmask)s {
606 range %(autogen_dhcp_start)s %(autogen_dhcp_stop)s;
607 option routers %(autogen_addr)s;
608 option domain-name-servers %(autogen_dns_servers)s;
609 option ubnt.unifi-address 172.17.107.10;
610 }
611 """ % datadump[iface_key]))
612
613 # Output the blocks in groups
614 for ifname,value in sorted(dhcp_out.iteritems()):
615 output += ("shared-network \"%s\" {\n" % ifname) + indent(''.join(value), 2).rstrip() + '\n}\n\n'
616 return output
617
618
619
620def generate_dnsmasq_conf(datadump):
621 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
622 output = generate_header(datadump)
623 output += Template("""\
624# DHCP server options
625dhcp-authoritative
626dhcp-fqdn
627domain=dhcp.{{ autogen_fqdn }}
628domain-needed
629expand-hosts
630log-async=100
631
632# Low memory footprint
633cache-size=10000
634
635\n""").render(datadump)
636
637 for iface_key in get_interface_keys(datadump):
638 if not datadump[iface_key].has_key('comment'):
639 datadump[iface_key]['comment'] = None
640 output += "## %(autogen_ifname)s - %(comment)s\n" % datadump[iface_key]
641
642 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
643 output += "# not autoritive\n\n"
644 continue
645
646 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
647 (ip, cidr) = datadump[iface_key]['ip'].split('/')
648 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
649
650 dhcp_part = ".".join(ip.split('.')[0:3])
651 datadump[iface_key]['autogen_dhcp_start'] = dhcp_part + "." + dhcp_start
652 datadump[iface_key]['autogen_dhcp_stop'] = dhcp_part + "." + dhcp_stop
653 output += "dhcp-range=%(autogen_iface)s,%(autogen_dhcp_start)s,%(autogen_dhcp_stop)s,%(autogen_netmask)s,24h\n\n" % datadump[iface_key]
654
655 return output
656
657
658class AutoVivification(dict):
659 """Implementation of perl's autovivification feature."""
660 def __getitem__(self, item):
661 try:
662 return dict.__getitem__(self, item)
663 except KeyError:
664 value = self[item] = type(self)()
665 return value
666
667def make_interface_list(datadump):
668 if interface_list_cache.has_key(datadump['autogen_item']):
669 return (interface_list_cache[datadump['autogen_item']])
670 # lo0 configuration:
671 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
672 # - masterip is special as it needs to be assigned to at
673 # least one interface, so if not used assign to lo0
674 addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
675 vlan_list = defaultdict(list)
676 bridge_list = defaultdict(list)
677 flags_if = AutoVivification()
678 dhclient_if = {'lo0' : False}
679
680 # XXX: Find some way of send this output nicely
681 output = ''
682
683 masterip_used = False
684 for iface_key in get_interface_keys(datadump):
685 if datadump[iface_key].has_key('ip') and datadump[iface_key]['ip'].startswith(datadump['masterip']):
686 masterip_used = True
687 break
688 if not masterip_used:
689 addrs_list['lo0'].append((datadump['masterip'] + "/32", 'Master IP Not used in interface'))
690
691 if 'serviceid' in datadump:
692 addrs_list['lo0'].append((datadump['serviceid'] + "/32", 'Lvrouted GW IP'))
693
694 for iface_key in get_interface_keys(datadump):
695 ifacedump = datadump[iface_key]
696 if ifacedump['autogen_bridge_alias']:
697 ifname = ifacedump['autogen_ifbase']
698 else:
699 ifname = ifacedump['autogen_ifname']
700
701 # If defined as vlan interface
702 if ifacedump['autogen_vlan']:
703 vlan_list[ifacedump['autogen_ifbase']].append(ifacedump['autogen_vlan'])
704
705 # If defined as bridge interface
706 if ifacedump['autogen_bridge_member']:
707 bridge_list[ifacedump['parent']].append(ifacedump['autogen_iface'])
708
709
710 # Flag dhclient is possible
711 if not dhclient_if.has_key(ifname) or dhclient_if[ifname] == False:
712 dhclient_if[ifname] = dhcp_type(ifacedump) == DHCP_CLIENT
713
714 # Ethernet address
715 if ifacedump.has_key('ether'):
716 flags_if[ifname]['ether'] = ifacedump['ether']
717
718 # Add interface IP to list
719 if ifacedump.has_key('ip'):
720 item = (ifacedump['ip'], ifacedump['comment'])
721 if addrs_list.has_key(ifname):
722 addrs_list[ifname].append(item)
723 else:
724 addrs_list[ifname] = [item]
725
726 # Alias only needs IP assignment for now, this might change if we
727 # are going to use virtual accesspoints
728 if "alias" in iface_key:
729 continue
730
731 # XXX: Might want to deduct type directly from interface name
732 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
733 # Default to station (client) mode
734 ifacedump['autogen_wlanmode'] = "sta"
735 if ifacedump['mode'] in ['master', 'master-wds', 'ap', 'ap-wds']:
736 ifacedump['autogen_wlanmode'] = "ap"
737
738 if not ifacedump.has_key('channel'):
739 if ifacedump['type'] == '11a':
740 ifacedump['channel'] = 36
741 else:
742 ifacedump['channel'] = 1
743
744 # Allow special hacks at the back like wds and stuff
745 if not ifacedump.has_key('extra'):
746 ifacedump['autogen_extra'] = 'regdomain ETSI country NL'
747 else:
748 ifacedump['autogen_extra'] = ifacedump['extra']
749
750 ifacedump['autogen_ssid_hex'] = '0x' + ''.join(x.encode('hex') for x in ifacedump['ssid'])
751
752 output += "wlans_%(autogen_ifbase)s='%(autogen_ifname)s'\n" % ifacedump
753 output += "# SSID is encoded in Hexadecimal to support spaces, plain text value is '%(ssid)s'\n" % ifacedump
754 output += ("create_args_%(autogen_ifname)s=\"wlanmode %(autogen_wlanmode)s mode " +\
755 "%(type)s ssid %(autogen_ssid_hex)s %(autogen_extra)s channel %(channel)s\"\n") % ifacedump
756 output += "\n"
757
758 elif ifacedump['type'] in ['ethernet', 'eth']:
759 # No special config needed besides IP
760 pass
761 elif ifacedump['type'] in ['vlan']:
762 # VLAN member has no special configuration
763 pass
764 else:
765 assert False, "Unknown type " + ifacedump['type']
766
767 store = (addrs_list, vlan_list, bridge_list, dhclient_if, flags_if, output)
768 interface_list_cache[datadump['autogen_item']] = store
769 return(store)
770
771
772
773def create_proxies_list():
774 if not ileiden_proxies or not normal_proxies:
775 # Placeholder for to-be-installed proxies, this will avoid updating the all
776 # nodes to include this new machine, yet due to an unbound issue, this list
777 # has to be kept small.
778
779 for i in range(1,20):
780 ileiden_proxies['172.31.254.%i' % i] = {'nodename' : 'unused'}
781
782 for host in get_hostlist():
783 hostdump = get_yaml(host)
784 if hostdump['status'] == 'up':
785 if hostdump['service_proxy_ileiden']:
786 ileiden_proxies[hostdump['serviceid']] = hostdump
787 if hostdump['service_proxy_normal']:
788 normal_proxies.append(hostdump)
789
790
791
792def generate_rc_conf_local(datadump):
793 """ Generate configuration file '/etc/rc.conf.local' """
794 item = datadump['autogen_item']
795 if rc_conf_local_cache.has_key(item):
796 return rc_conf_local_cache[item]
797
798 if not datadump.has_key('ileiden'):
799 datadump['autogen_ileiden_enable'] = False
800 else:
801 datadump['autogen_ileiden_enable'] = datadump['ileiden']
802
803 datadump['autogen_ileiden_enable'] = switchFormat(datadump['autogen_ileiden_enable'])
804
805 create_proxies_list()
806 datadump['autogen_ileiden_proxies'] = ileiden_proxies
807 datadump['autogen_normal_proxies'] = normal_proxies
808 datadump['autogen_normal_proxies_ips'] = ','.join([x['masterip'] for x in normal_proxies])
809 datadump['autogen_normal_proxies_names'] = ','.join([x['autogen_item'] for x in normal_proxies])
810 datadump['autogen_attached_devices'] = [x[2] for x in get_attached_devices(datadump)]
811 datadump['autogen_neighbours'] = [x[1] for x in get_neighbours(datadump)]
812
813 output = generate_header(datadump, "#");
814 output += render_template(datadump, """\
815hostname='{{ autogen_fqdn }}'
816location='{{ location }}'
817nodetype="{{ nodetype }}"
818
819#
820# Configured listings
821#
822captive_portal_whitelist=""
823{% if nodetype == "Proxy" %}
824#
825# Proxy Configuration
826#
827{% if gateway and service_proxy_ileiden -%}
828defaultrouter="{{ gateway }}"
829{% else -%}
830#defaultrouter="NOTSET"
831{% endif -%}
832internalif="{{ internalif }}"
833ileiden_enable="{{ autogen_ileiden_enable }}"
834gateway_enable="{{ autogen_ileiden_enable }}"
835pf_enable="yes"
836pf_rules="/etc/pf.conf"
837{% if autogen_ileiden_enable -%}
838pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={80,443}"
839lvrouted_enable="{{ autogen_ileiden_enable }}"
840lvrouted_flags="-u -s s00p3rs3kr3t -m 28"
841{% else -%}
842pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={0}"
843{% endif -%}
844{% if internalroute -%}
845static_routes="wleiden"
846route_wleiden="-net 172.16.0.0/12 {{ internalroute }}"
847{% endif -%}
848
849{% elif nodetype == "Hybrid" %}
850 #
851 # Hybrid Configuration
852 #
853 list_ileiden_proxies="
854 {% for serviceid,item in autogen_ileiden_proxies.iteritems() -%}
855 {{ "%-16s"|format(serviceid) }} # {{ item.nodename }}
856 {% endfor -%}
857 "
858 list_normal_proxies="
859 {% for item in autogen_normal_proxies -%}
860 {{ "%-16s"|format(item.serviceid) }} # {{ item.nodename }}
861 {% endfor -%}
862 "
863
864 {% if autogen_dhcp_interfaces -%}
865 captive_portal_interfaces="{{ autogen_dhcp_interfaces|join(',') }}"
866 {% else %}
867 captive_portal_interfaces="dummy"
868 {% endif %}
869 externalif="{{ externalif|default('vr0', true) }}"
870 masterip="{{ masterip }}"
871
872 {% if gateway and service_proxy_ileiden %}
873 defaultrouter="{{ gateway }}"
874 {% else %}
875 #defaultrouter="NOTSET"
876 {% endif %}
877
878 #
879 # Defined services
880 #
881 service_proxy_ileiden="{{ service_proxy_ileiden|yesorno }}"
882 service_proxy_normal="{{ service_proxy_normal|yesorno }}"
883 service_accesspoint="{{ service_accesspoint|yesorno }}"
884 service_incoming_rdr="{{ service_incoming_rdr|yesorno }}"
885 service_concentrator="{{ service_concentrator|yesorno }}"
886
887 {% if service_proxy_ileiden %}
888 pf_rules="/etc/pf.hybrid.conf"
889 {% if service_concentrator %}
890 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D inet_if=tun0 -D inet_ip='(tun0)' -D masterip=$masterip"
891 {% else %}
892 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D inet_if=$externalif -D inet_ip='($externalif:0)' -D masterip=$masterip"
893 {% endif %}
894 pf_flags="$pf_flags -D publicnat=80,443"
895 lvrouted_flags="$lvrouted_flags -g"
896 {% elif service_proxy_normal or service_incoming_rdr %}
897 pf_rules="/etc/pf.hybrid.conf"
898 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D masterip=$masterip"
899 pf_flags="$pf_flags -D publicnat=0"
900 lvrouted_flags="$lvrouted_flags -z `make_list "$list_ileiden_proxies" ","`"
901 named_setfib="1"
902 tinyproxy_setfib="1"
903 dnsmasq_setfib="1"
904 sshd_setfib="1"
905 {% else %}
906 named_auto_forward_only="YES"
907 pf_rules="/etc/pf.node.conf"
908 pf_flags=""
909 lvrouted_flags="$lvrouted_flags -z `make_list "$list_ileiden_proxies" ","`"
910 {% endif %}
911 {% if service_concentrator %}
912 # Do mind installing certificates is NOT done automatically for security reasons
913 openvpn_enable="YES"
914 openvpn_configfile="/usr/local/etc/openvpn/client.conf"
915 {% endif %}
916
917 {% if service_proxy_normal %}
918 tinyproxy_enable="yes"
919 {% else %}
920 pen_wrapper_enable="yes"
921 {% endif %}
922
923 {% if service_accesspoint %}
924 pf_flags="$pf_flags -D captive_portal_interfaces=$captive_portal_interfaces"
925 {% endif %}
926
927 {% if board == "ALIX2" or board == "net4801" %}
928 #
929 # ''Fat'' configuration, board has 256MB RAM
930 #
931 dnsmasq_enable="NO"
932 named_enable="YES"
933 unbound_enable="YES"
934 {% if autogen_dhcp_interfaces -%}
935 dhcpd_enable="YES"
936 dhcpd_flags="$dhcpd_flags {{ autogen_dhcp_interfaces|join(' ') }}"
937 {% endif -%}
938 {% elif board == "apu1d" %}
939 #
940 # ''Fat'' configuration, board has 1024MB RAM
941 #
942 dnsmasq_enable="NO"
943 unbound_enable="YES"
944 {% if autogen_dhcp_interfaces -%}
945 dhcpd_enable="YES"
946 dhcpd_flags="$dhcpd_flags {{ autogen_dhcp_interfaces|join(' ') }}"
947 {% endif -%}
948 {% endif -%}
949{% endif %}
950
951#
952# Script variables
953#
954attached_devices="{{ autogen_attached_devices|join(' ') }}"
955neighbours="{{ autogen_neighbours|join(' ') }}"
956
957
958#
959# Interface definitions
960#\n
961""")
962
963 (addrs_list, vlan_list, bridge_list, dhclient_if, flags_if, extra_ouput) = make_interface_list(datadump)
964 for iface, vlans in sorted(vlan_list.items()):
965 output += 'vlans_%s="%s"\n' % (iface, ' '.join(sorted(set(vlans))))
966
967 # VLAN Parent interfaces not containing a configuration should be marked active explcitly.
968 for iface in sorted(vlan_list.keys()):
969 if not iface in addrs_list.keys():
970 output += "ifconfig_%s='up'\n" % iface
971
972 output += "\n"
973
974 # Bridge configuration:
975 if bridge_list.keys():
976 output += "cloned_interfaces='%s'\n" % ' '.join(bridge_list.keys())
977
978 for iface in bridge_list.keys():
979 output += "ifconfig_%s='%s up'\n" % (iface, ' '.join(['addm %(iface)s private %(iface)s' % {'iface': x} for x in bridge_list[iface]]))
980
981 # Bridge member interfaces not containing a configuration should be marked active explcitly.
982 for _,members in bridge_list.items():
983 for iface in members:
984 if not iface in addrs_list.keys():
985 output += "ifconfig_%s='up'\n" % iface.replace('.','_')
986
987 output += "\n"
988
989 # Details like SSID
990 if extra_ouput:
991 output += extra_ouput.strip() + "\n"
992
993 # Print IP address which needs to be assigned over here
994 output += "\n"
995 for iface,addrs in sorted(addrs_list.iteritems()):
996 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
997 output += "# %s || %s || %s\n" % (iface, addr, comment)
998
999 # Write DHCLIENT entry
1000 if iface in dhclient_if and dhclient_if[iface]:
1001 output += "ifconfig_%s='SYNCDHCP'\n\n" % (iface)
1002 continue
1003
1004 # Make sure the external address is always first as this is needed in the
1005 # firewall setup
1006 addrs = sorted(
1007 [x for x in addrs if not '0.0.0.0' in x[0]],
1008 key=lambda x: x[0].split('.')[0],
1009 cmp=lambda x,y: cmp(1 if x == '172' else 0, 1 if y == '172' else 0)
1010 )
1011
1012 idx_offset = 0
1013 # Set MAC is required
1014 if flags_if[iface].has_key('ether'):
1015 output += "ifconfig_%s='link %s'\n" % (iface, flags_if[iface]['ether'])
1016 output += "ifconfig_%s_alias0='inet %s'\n" % (iface, addrs[0][0])
1017 idx_offset += 1
1018 elif iface in bridge_list:
1019 output += "ifconfig_%s_alias0='inet %s'\n" % (iface, addrs[0][0])
1020 idx_offset += 1
1021 else:
1022 output += "ifconfig_%s='inet %s'\n" % (iface, addrs[0][0])
1023
1024 for idx, addr in enumerate(addrs[1:]):
1025 output += "ifconfig_%s_alias%s='inet %s'\n" % (iface, idx + idx_offset, addr[0])
1026
1027 output += "\n"
1028
1029 rc_conf_local_cache[datadump['autogen_item']] = output
1030 return output
1031
1032
1033
1034def get_all_configs():
1035 """ Get dict with key 'host' with all configs present """
1036 configs = dict()
1037 for host in get_hostlist():
1038 datadump = get_yaml(host)
1039 configs[host] = datadump
1040 return configs
1041
1042
1043def get_interface_keys(config, extra=False):
1044 """ Quick hack to get all interface keys, later stage convert this to a iterator """
1045 elems = sorted([elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)])
1046 if extra == False:
1047 return filter(lambda x: not "extra" in x, elems)
1048 else:
1049 return elems
1050
1051
1052def get_used_ips(configs):
1053 """ Return array of all IPs used in config files"""
1054 ip_list = []
1055 for config in configs:
1056 ip_list.append(config['masterip'])
1057 if 'serviceid' in config:
1058 ip_list.append(config['serviceid'])
1059 for iface_key in get_interface_keys(config, True):
1060 l = config[iface_key]['ip']
1061 addr, mask = l.split('/')
1062 # Special case do not process
1063 if valid_addr(addr):
1064 ip_list.append(addr)
1065 else:
1066 logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
1067 return sorted(ip_list)
1068
1069
1070
1071def get_nameservers(max_servers=None):
1072 if nameservers_cache:
1073 return nameservers_cache[0:max_servers]
1074
1075 for host in get_hostlist():
1076 hostdump = get_yaml(host)
1077 if hostdump['status'] == 'up' and (hostdump['service_proxy_ileiden'] or hostdump['service_proxy_normal']):
1078 nameservers_cache.append((hostdump['serviceid'], hostdump['nodename']))
1079
1080 return nameservers_cache[0:max_servers]
1081
1082
1083def get_neighbours(datadump):
1084 (addrs_list, _, _, dhclient_if, _, extra_ouput) = make_interface_list(datadump)
1085
1086 (poel, errors) = make_relations()
1087 table = []
1088 for iface,addrs in sorted(addrs_list.iteritems()):
1089 if iface in ['lo0']:
1090 continue
1091
1092 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
1093 if not addr.startswith('172.'):
1094 # Avoid listing internet connections as pool
1095 continue
1096 for neighbour in poel[network(addr)]:
1097 if neighbour[0] != datadump['autogen_item']:
1098 table.append((iface, neighbour[1]['ip'].split('/')[0], neighbour[0] + " (" + neighbour[1]['autogen_iface'] + ")", neighbour[1]['comment']))
1099 return table
1100
1101
1102def get_attached_devices(datadump, url=False):
1103 table = []
1104 for iface_key in get_interface_keys(datadump, True):
1105 ifacedump = datadump[iface_key]
1106
1107 if not ifacedump.has_key('ns_ip'):
1108 continue
1109
1110 x_ip = ifacedump['ns_ip'].split('/')[0]
1111
1112 if 'mode' in ifacedump:
1113 x_mode = ifacedump['mode']
1114 else:
1115 x_mode = 'unknown'
1116
1117 if 'bridge_type' in ifacedump:
1118 device_type = ifacedump['bridge_type']
1119 else:
1120 device_type = 'Unknown'
1121
1122 table.append((ifacedump['autogen_iface'], x_mode, 'http://%s' % x_ip if url else x_ip, device_type))
1123 return table
1124
1125
1126def generate_resolv_conf(datadump):
1127 """ Generate configuration file '/etc/resolv.conf' """
1128 # XXX: This should properly going to be an datastructure soon
1129 datadump['autogen_header'] = generate_header(datadump, "#")
1130 datadump['autogen_edge_nameservers'] = ''
1131
1132
1133 for masterip,realname in get_nameservers():
1134 datadump['autogen_edge_nameservers'] += "nameserver %-15s # %s\n" % (masterip, realname)
1135
1136 return Template("""\
1137{{ autogen_header }}
1138search wleiden.net
1139
1140# Try local (cache) first
1141nameserver 127.0.0.1
1142
1143{% if service_proxy_normal or service_proxy_ileiden or nodetype == 'Proxy' -%}
1144nameserver 8.8.8.8 # Google Public NameServer
1145nameserver 64.6.64.6 # Verisign Public NameServer
1146{% else -%}
1147# START DYNAMIC LIST - updated by /tools/nameserver-shuffle
1148{{ autogen_edge_nameservers }}
1149{% endif -%}
1150""").render(datadump)
1151
1152
1153
1154def generate_ntp_conf(datadump):
1155 """ Generate configuration file '/etc/ntp.conf' """
1156 # XXX: This should properly going to be an datastructure soon
1157
1158 datadump['autogen_header'] = generate_header(datadump, "#")
1159 datadump['autogen_ntp_servers'] = ''
1160 for host in get_hostlist():
1161 hostdump = get_yaml(host)
1162 if hostdump['service_proxy_ileiden'] or hostdump['service_proxy_normal']:
1163 datadump['autogen_ntp_servers'] += "server %(masterip)-15s iburst maxpoll 9 # %(nodename)s\n" % hostdump
1164
1165 return Template("""\
1166{{ autogen_header }}
1167
1168{% if service_proxy_normal or service_proxy_ileiden or nodetype == 'Proxy' -%}
1169# Machine hooked to internet.
1170server 0.nl.pool.ntp.org iburst maxpoll 9
1171server 1.nl.pool.ntp.org iburst maxpoll 9
1172server 2.nl.pool.ntp.org iburst maxpoll 9
1173server 3.nl.pool.ntp.org iburst maxpoll 9
1174{% else -%}
1175# Local Wireless Leiden NTP Servers.
1176server 0.pool.ntp.wleiden.net iburst maxpoll 9
1177server 1.pool.ntp.wleiden.net iburst maxpoll 9
1178server 2.pool.ntp.wleiden.net iburst maxpoll 9
1179server 3.pool.ntp.wleiden.net iburst maxpoll 9
1180
1181# All the configured NTP servers
1182{{ autogen_ntp_servers }}
1183{% endif %}
1184
1185# If a server loses sync with all upstream servers, NTP clients
1186# no longer follow that server. The local clock can be configured
1187# to provide a time source when this happens, but it should usually
1188# be configured on just one server on a network. For more details see
1189# http://support.ntp.org/bin/view/Support/UndisciplinedLocalClock
1190# The use of Orphan Mode may be preferable.
1191#
1192server 127.127.1.0
1193fudge 127.127.1.0 stratum 10
1194""").render(datadump)
1195
1196
1197def generate_pf_hybrid_conf_local(datadump):
1198 """ Generate configuration file '/etc/pf.hybrid.conf.local' """
1199 datadump['autogen_header'] = generate_header(datadump, "#")
1200 if datadump['service_incoming_rdr']:
1201 datadump['global_rdr_rules'] = datadump['autogen_global_rdr_rules']
1202 return Template("""\
1203{{ autogen_header }}
1204
1205# Redirect some internal facing services outside (7)
1206# INFO: {{ global_rdr_rules|count }} global_rdr_rules active on this node.
1207{% for protocol, src_port,dest_ip,dest_port,comment in global_rdr_rules -%}
1208rdr on $ext_if inet proto {{ protocol }} from any to $ext_if port {{ src_port }} tag SRV -> {{ "%-14s"|format(dest_ip) }} port {{ "%4s"|format(dest_port) }} # {{ comment }}
1209{% endfor -%}
1210# INFO: {{ rdr_rules|count }} node specific rdr_rules defined.
1211{% for protocol, src_port,dest_ip,dest_port,comment in rdr_rules -%}
1212rdr on $ext_if inet proto {{ protocol }} from any to $ext_if port {{ src_port }} tag SRV -> {{ "%-14s"|format(dest_ip) }} port {{ "%4s"|format(dest_port) }} # {{ comment }}
1213{% endfor -%}
1214""").render(datadump)
1215
1216def generate_unbound_wleiden_conf(datadump):
1217 """ Generate configuration file '/usr/local/etc/unbound.wleiden.conf' """
1218 datadump['autogen_header'] = generate_header(datadump, "#")
1219
1220 autogen_ips = []
1221 (addrs_list, _, _, dhclient_if, _, extra_ouput) = make_interface_list(datadump)
1222 for iface,addrs in sorted(addrs_list.iteritems()):
1223 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
1224 if addr.startswith('172'):
1225 autogen_ips.append((addr.split('/')[0], comment))
1226 datadump['autogen_ips'] = autogen_ips
1227
1228 create_proxies_list()
1229 datadump['autogen_ileiden_proxies'] = ileiden_proxies
1230 return Template("""\
1231{{ autogen_header }}
1232
1233server:
1234 ## Static definitions fail to start on systems with broken ue(4) interfaces
1235{%- for ip,comment in autogen_ips %}
1236 # interface: {{ "%-16s"|format(ip) }} # {{ comment }}
1237{%- endfor %}
1238 ## Enabling wildcard matching as work-around
1239 interface: 0.0.0.0
1240 interface: ::0
1241
1242forward-zone:
1243 name: '.'
1244{%- if service_proxy_ileiden %}
1245 forward-addr: 8.8.8.8 # Google DNS A
1246 forward-addr: 8.8.4.4 # Google DNS B
1247 forward-addr: 208.67.222.222 # OpenDNS DNS A
1248 forward-addr: 208.67.220.220 # OpenDNS DNS B
1249{% else -%}
1250{%- for serviceid,item in autogen_ileiden_proxies.iteritems() %}
1251 {%- if loop.index <= 5 %}
1252 forward-addr: {{ "%-16s"|format(serviceid) }} # {{ item.nodename }}
1253 {%- endif %}
1254{%- endfor %}
1255{%- endif %}
1256""").render(datadump)
1257
1258def generate_motd(datadump):
1259 """ Generate configuration file '/etc/motd' """
1260 output = Template("""\
1261FreeBSD run ``service motd onestart'' to make me look normal
1262
1263 WWW: {{ autogen_fqdn }} - http://www.wirelessleiden.nl
1264 Loc: {{ location }}
1265
1266Services:
1267{% if board == "ALIX2" or board == "net4801" -%}
1268{{" -"}} Core Node ({{ board }})
1269{% else -%}
1270{{" -"}} Hulp Node ({{ board }})
1271{% endif -%}
1272{% if service_proxy_normal -%}
1273{{" -"}} Normal Proxy
1274{% endif -%}
1275{% if service_proxy_ileiden -%}
1276{{" -"}} iLeiden Proxy
1277{% endif -%}
1278{% if service_incoming_rdr -%}
1279{{" -"}} Incoming port redirects
1280{% endif %}
1281Interlinks:\n
1282""").render(datadump)
1283
1284
1285 def make_table(table):
1286 if not table:
1287 return " - none\n"
1288 else:
1289 lines = ""
1290 col_width = [max(len(x) for x in col) for col in zip(*table)]
1291 for row in table:
1292 # replace('_','.') is a hack to convert vlan interfaces to proper named interfaces
1293 lines += " - " + " || ".join("{:{}}".format(x.replace('_','.'), col_width[i]) for i, x in enumerate(row)) + "\n"
1294 return lines
1295
1296 (addrs_list, vlan_list, bridge_list, dhclient_if, flags_if, extra_ouput) = make_interface_list(datadump)
1297 table = []
1298 for iface,addrs in sorted(addrs_list.iteritems()):
1299 if iface in ['lo0']:
1300 continue
1301 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
1302 table.append((iface, addr, comment))
1303
1304 output += make_table(table)
1305 output += '\n'
1306 output += """\
1307Attached devices:
1308"""
1309 output += make_table(get_attached_devices(datadump, url=True))
1310 output += '\n'
1311 output += """\
1312Available neighbours:
1313"""
1314 output += make_table(get_neighbours(datadump))
1315
1316 return output
1317
1318
1319def format_yaml_value(value):
1320 """ Get yaml value in right syntax for outputting """
1321 if isinstance(value,str):
1322 output = '"%s"' % value
1323 else:
1324 output = value
1325 return output
1326
1327
1328
1329def format_wleiden_yaml(datadump):
1330 """ Special formatting to ensure it is editable"""
1331 output = "# Genesis config yaml style\n"
1332 output += "# vim:ts=2:et:sw=2:ai\n"
1333 output += "#\n"
1334 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
1335 for key in sorted(set(datadump.keys()) - set(iface_keys)):
1336 if key == 'rdr_rules':
1337 output += '%-10s:\n' % 'rdr_rules'
1338 for rdr_rule in datadump[key]:
1339 output += '- %s\n' % rdr_rule
1340 else:
1341 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
1342
1343 output += "\n\n"
1344
1345 # Format (key, required)
1346 key_order = (
1347 ('comment', True),
1348 ('parent', False),
1349 ('ip', False),
1350 ('ipv6', False),
1351 ('ether', False),
1352 ('desc', True),
1353 ('sdesc', True),
1354 ('mode', True),
1355 ('type', True),
1356 ('extra_type', False),
1357 ('channel', False),
1358 ('ssid', False),
1359 ('wlan_mac', False),
1360 ('dhcp', True),
1361 ('dhcp_fixed', False),
1362 ('compass', False),
1363 ('distance', False),
1364 ('ns_ip', False),
1365 ('repeater_ip', False),
1366 ('bullet2_ip', False),
1367 ('ns_mac', False),
1368 ('bullet2_mac', False),
1369 ('ns_type', False),
1370 ('bridge_type', False),
1371 ('encrypted', False),
1372 ('status', True),
1373 )
1374
1375 for iface_key in sorted(iface_keys):
1376 try:
1377 remainder = set(datadump[iface_key].keys()) - set([x[0] for x in key_order])
1378 if remainder:
1379 raise KeyError("invalid keys: %s" % remainder)
1380
1381 output += "%s:\n" % iface_key
1382 for key,required in key_order:
1383 if datadump[iface_key].has_key(key):
1384 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
1385 output += "\n\n"
1386 except Exception as exc:
1387 exc.args = ("# Error while processing interface %s" % iface_key,) + exc.args
1388 raise
1389
1390 return output
1391
1392
1393
1394def generate_wleiden_yaml(datadump, header=True):
1395 """ Generate (petty) version of wleiden.yaml"""
1396 output = generate_header(datadump, "#") if header else ''
1397
1398 for key in datadump.keys():
1399 if key.startswith('autogen_'):
1400 del datadump[key]
1401 # Interface autogen cleanups
1402 elif type(datadump[key]) == dict:
1403 for key2 in datadump[key].keys():
1404 if key2.startswith('autogen_'):
1405 del datadump[key][key2]
1406
1407 output += format_wleiden_yaml(datadump)
1408 return output
1409
1410def generate_nanostation_config(datadump, iface, ns_type):
1411 #TODO(rvdz): Make sure the proper nanostation IP and subnet is set
1412 datadump['iface_%s' % iface]['ns_ip'] = datadump['iface_%s' % iface]['ns_ip'].split('/')[0]
1413
1414 datadump.update(datadump['iface_%s' % iface])
1415
1416 return open(os.path.join(os.path.dirname(__file__), 'ns5m.cfg.tmpl'),'r').read() % datadump
1417
1418def generate_yaml(datadump):
1419 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
1420
1421
1422
1423def generate_config(node, config, datadump=None):
1424 """ Print configuration file 'config' of 'node' """
1425 output = ""
1426 try:
1427 # Load config file
1428 if datadump == None:
1429 datadump = get_yaml(node)
1430
1431 if config == 'wleiden.yaml':
1432 output += generate_wleiden_yaml(datadump)
1433 elif config == 'authorized_keys':
1434 f = open(os.path.join(NODE_DIR,"global_keys"), 'r')
1435 output += f.read()
1436 node_keys = os.path.join(NODE_DIR,node,'authorized_keys')
1437 # Fetch local keys if existing
1438 if os.path.exists(node_keys):
1439 output += open(node_keys, 'r').read()
1440 f.close()
1441 elif config == 'dnsmasq.conf':
1442 output += generate_dnsmasq_conf(datadump)
1443 elif config == 'dhcpd.conf':
1444 output += generate_dhcpd_conf(datadump)
1445 elif config == 'rc.conf.local':
1446 output += generate_rc_conf_local(datadump)
1447 elif config == 'resolv.conf':
1448 output += generate_resolv_conf(datadump)
1449 elif config == 'ntp.conf':
1450 output += generate_ntp_conf(datadump)
1451 elif config == 'motd':
1452 output += generate_motd(datadump)
1453 elif config == 'pf.hybrid.conf.local':
1454 output += generate_pf_hybrid_conf_local(datadump)
1455 elif config == 'unbound.wleiden.conf':
1456 output += generate_unbound_wleiden_conf(datadump)
1457 elif config.startswith('vr'):
1458 interface, ns_type = config.strip('.yaml').split('-')
1459 output += generate_nanostation_config(datadump, interface, ns_type)
1460 else:
1461 assert False, "Config not found!"
1462 except IOError, e:
1463 output += "[ERROR] Config file not found"
1464 return output
1465
1466
1467
1468def generate_static(output_dir, logging=True):
1469 items = {'output_dir' : output_dir}
1470 for node in get_hostlist():
1471 items['node'] = node
1472 items['wdir'] = "%(output_dir)s/%(node)s" % items
1473 if not os.path.isdir(items['wdir']):
1474 os.makedirs(items['wdir'])
1475 datadump = get_yaml(node)
1476 f = open("%(wdir)s/index.html" % items, "w")
1477 f.write(generate_node_overview(items['node'], datadump))
1478 f.close()
1479 for config in files:
1480 items['config'] = config
1481 if logging: logger.info("## Generating %(node)s %(config)s" % items)
1482 f = open("%(wdir)s/%(config)s" % items, "w")
1483 f.write(generate_config(node, config, datadump))
1484 f.close()
1485
1486
1487
1488def process_cgi_request(environ=os.environ):
1489 """ When calling from CGI """
1490 response_headers = []
1491 content_type = 'text/plain'
1492
1493 # Update repository if requested
1494 form = urlparse.parse_qs(environ['QUERY_STRING']) if environ.has_key('QUERY_STRING') else None
1495 if form and form.has_key("action") and "update" in form["action"]:
1496 refresh_rate = 5
1497 output = "[INFO] Updating subverion, please wait...\n"
1498 old_version = subprocess.Popen([SVNVERSION, '-c', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1499 output += subprocess.Popen([SVN, 'cleanup', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1500 output += subprocess.Popen([SVN, 'up', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1501 new_version = subprocess.Popen([SVNVERSION, '-c', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1502 if old_version != new_version:
1503 try:
1504 generate_static(CACHE_DIR, False)
1505 except:
1506 output += traceback.format_exc()
1507 refresh_rate = 120
1508 pass
1509 output += "[INFO] All done, redirecting in %s seconds" % refresh_rate
1510 response_headers += [
1511 ('Refresh', '%s; url=.' % refresh_rate),
1512 ]
1513 else:
1514 # Bootstap cache directory if none exists
1515 if not glob.glob(os.path.join(CACHE_DIR,'*','index.html')):
1516 generate_static(CACHE_DIR, False)
1517
1518 base_uri = environ['REQUEST_URI']
1519 uri = base_uri.strip('/').split('/')[1:]
1520
1521 output = "Template Holder"
1522 if base_uri.endswith('/create/network.kml'):
1523 content_type='application/vnd.google-earth.kml+xml'
1524 output = make_network_kml.make_graph()
1525 elif base_uri.endswith('/api/get/nodeplanner.json'):
1526 content_type='application/json'
1527 output = make_network_kml.make_nodeplanner_json()
1528 elif not uri:
1529 if is_text_request(environ):
1530 output = '\n'.join(get_hostlist())
1531 else:
1532 content_type = 'text/html'
1533 output = generate_title(get_hostlist())
1534 elif len(uri) == 1:
1535 if is_text_request(environ):
1536 output = generate_node(uri[0])
1537 else:
1538 content_type = 'text/html'
1539 output = open(os.path.join(CACHE_DIR, uri[0], 'index.html'), 'r').read()
1540 elif len(uri) == 2:
1541 output = generate_config(uri[0], uri[1])
1542 else:
1543 assert False, "Invalid option"
1544
1545 # Return response
1546 response_headers += [
1547 ('Content-type', content_type),
1548 ('Content-Length', str(len(output))),
1549 ]
1550 return(response_headers, str(output))
1551
1552
1553def make_dns(output_dir = 'dns', external = False):
1554 items = dict()
1555
1556 # hostname is key, IP is value
1557 wleiden_zone = defaultdict(list)
1558 wleiden_cname = dict()
1559
1560 pool = dict()
1561 for node in get_hostlist():
1562 datadump = get_yaml(node)
1563
1564 fqdn = datadump['nodename']
1565
1566 if datadump.has_key('rdr_host'):
1567 remote_target = datadump['rdr_host']
1568 elif datadump.has_key('remote_access') and datadump['remote_access']:
1569 remote_target = datadump['remote_access'].split(':')[0]
1570 else:
1571 remote_target = None
1572
1573 if remote_target:
1574 try:
1575 parseaddr(remote_target)
1576 wleiden_zone[datadump['nodename'] + '.gw'].append((remote_target, False))
1577 except (IndexError, ValueError):
1578 wleiden_cname[datadump['nodename'] + '.gw'] = remote_target + '.'
1579
1580
1581 wleiden_zone[fqdn].append((datadump['masterip'], True))
1582
1583 # Hacking to get proper DHCP IPs and hostnames
1584 for iface_key in get_interface_keys(datadump):
1585 iface_name = iface_key.replace('_','-')
1586 if 'ip' in datadump[iface_key]:
1587 (ip, cidr) = datadump[iface_key]['ip'].split('/')
1588 try:
1589 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
1590 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
1591 dhcp_part = ".".join(ip.split('.')[0:3])
1592 if ip != datadump['masterip']:
1593 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)].append((ip, True))
1594 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
1595 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)].append(("%s.%s" % (dhcp_part, i), True))
1596 except (AttributeError, ValueError, KeyError):
1597 # First push it into a pool, to indentify the counter-part later on
1598 addr = parseaddr(ip)
1599 cidr = int(cidr)
1600 addr = addr & ~((1 << (32 - cidr)) - 1)
1601 if pool.has_key(addr):
1602 pool[addr] += [(iface_name, fqdn, ip)]
1603 else:
1604 pool[addr] = [(iface_name, fqdn, ip)]
1605 continue
1606
1607
1608
1609 # WL uses an /29 to configure an interface. IP's are ordered like this:
1610 # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
1611
1612 sn = lambda x: re.sub(r'(?i)^cnode','',x)
1613
1614 # Automatic naming convention of interlinks namely 2 + remote.lower()
1615 for (key,value) in pool.iteritems():
1616 # Make sure they are sorted from low-ip to high-ip
1617 value = sorted(value, key=lambda x: parseaddr(x[2]))
1618
1619 if len(value) == 1:
1620 (iface_name, fqdn, ip) = value[0]
1621 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)].append((ip, True))
1622
1623 # Device DNS names
1624 if 'cnode' in fqdn.lower():
1625 wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)].append((showaddr(parseaddr(ip) + 1), False))
1626 wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % ((iface_name, fqdn))
1627
1628 elif len(value) == 2:
1629 (a_iface_name, a_fqdn, a_ip) = value[0]
1630 (b_iface_name, b_fqdn, b_ip) = value[1]
1631 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)].append((a_ip, True))
1632 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)].append((b_ip, True))
1633
1634 # Device DNS names
1635 if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
1636 wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)].append((showaddr(parseaddr(a_ip) + 1), False))
1637 wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)].append((showaddr(parseaddr(b_ip) - 1), False))
1638 wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1639 wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1640 wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1641 wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1642
1643 else:
1644 pool_members = [k[1] for k in value]
1645 for item in value:
1646 (iface_name, fqdn, ip) = item
1647 wleiden_zone["2ring.%s" % (fqdn)].append((ip, True))
1648
1649 # Include static DNS entries
1650 # XXX: Should they override the autogenerated results?
1651 # XXX: Convert input to yaml more useable.
1652 # Format:
1653 ##; this is a comment
1654 ## roomburgh=Roomburgh1
1655 ## apkerk1.Vosko=172.17.176.8 ;this as well
1656 dns_list = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
1657
1658 # Hack to allow special entries, for development
1659 wleiden_raw = {}
1660
1661 for line in dns_list:
1662 reverse = False
1663 k, items = line.items()[0]
1664 if type(items) == dict:
1665 if items.has_key('reverse'):
1666 reverse = items['reverse']
1667 items = items['a']
1668 else:
1669 items = items['cname']
1670 items = [items] if type(items) != list else items
1671 for item in items:
1672 if item.startswith('IN '):
1673 wleiden_raw[k] = item
1674 elif valid_addr(item):
1675 wleiden_zone[k].append((item, reverse))
1676 else:
1677 wleiden_cname[k] = item
1678
1679 # Hack to get dynamic pool listing
1680 def chunks(l, n):
1681 return [l[i:i+n] for i in range(0, len(l), n)]
1682
1683 ntp_servers = [x[0] for x in get_nameservers()]
1684 for id, chunk in enumerate(chunks(ntp_servers,(len(ntp_servers)/4))):
1685 for ntp_server in chunk:
1686 wleiden_zone['%i.pool.ntp' % id].append((ntp_server, False))
1687
1688 details = dict()
1689 # 24 updates a day allowed
1690 details['serial'] = time.strftime('%Y%m%d%H')
1691
1692 if external:
1693 dns_masters = ['ns1.vanderzwet.net', 'ns1.transip.net', 'ns2.transip.eu']
1694 else:
1695 dns_masters = ['druif.wleiden.net'] + ["%s.wleiden.net" % x[1] for x in get_nameservers(max_servers=3)]
1696
1697 details['master'] = dns_masters[0]
1698 details['ns_servers'] = '\n'.join(['\tNS\t%s.' % x for x in dns_masters])
1699
1700 dns_header = '''
1701$TTL 3h
1702%(zone)s. SOA %(master)s. beheer.lijst.wirelessleiden.nl. ( %(serial)s 15m 15m 1w 60s )
1703 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
1704
1705%(ns_servers)s
1706 \n'''
1707
1708
1709 if not os.path.isdir(output_dir):
1710 os.makedirs(output_dir)
1711 details['zone'] = 'wleiden.net'
1712 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1713 f.write(dns_header % details)
1714
1715 for host,items in wleiden_zone.iteritems():
1716 for ip,reverse in items:
1717 if ip not in ['0.0.0.0']:
1718 f.write("%s.wleiden.net. IN A %s\n" % (host.lower(), ip))
1719 for source,dest in wleiden_cname.iteritems():
1720 dest = dest if dest.endswith('.') else dest + ".wleiden.net."
1721 f.write("%s.wleiden.net. IN CNAME %s\n" % (source.lower(), dest.lower()))
1722 for source, dest in wleiden_raw.iteritems():
1723 f.write("%s.wleiden.net. %s\n" % (source, dest))
1724 f.close()
1725
1726 # Create whole bunch of specific sub arpa zones. To keep it compliant
1727 for s in range(16,32):
1728 details['zone'] = '%i.172.in-addr.arpa' % s
1729 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1730 f.write(dns_header % details)
1731
1732 #XXX: Not effient, fix to proper data structure and do checks at other
1733 # stages
1734 for host,items in wleiden_zone.iteritems():
1735 for ip,reverse in items:
1736 if not reverse:
1737 continue
1738 if valid_addr(ip):
1739 if valid_addr(ip):
1740 if int(ip.split('.')[1]) == s:
1741 rev_ip = '.'.join(reversed(ip.split('.')))
1742 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
1743 f.close()
1744
1745
1746def usage():
1747 print """Usage: %(prog)s <argument>
1748Argument:
1749\tcleanup = Cleanup all YAML files to specified format
1750\tstandalone [port] = Run configurator webserver [8000]
1751\tdns [outputdir] = Generate BIND compliant zone files in dns [./dns]
1752\tnagios-export [--heavy-load] = Generate basic nagios configuration file.
1753\tfull-export = Generate yaml export script for heatmap.
1754\tstatic [outputdir] = Generate all config files and store on disk
1755\t with format ./<outputdir>/%%NODE%%/%%FILE%% [./static]
1756\ttest <node> [<file>] = Receive output for certain node [all files].
1757\ttest-cgi <node> <file> = Receive output of CGI script [all files].
1758\tlist <status> <items> = List systems which have certain status
1759\tcreate network.kml = Create Network KML file for use in Google Earth
1760
1761Arguments:
1762\t<node> = NodeName (example: HybridRick)
1763\t<file> = %(files)s
1764\t<status> = all|up|down|planned
1765\t<items> = systems|nodes|proxies
1766
1767NOTE FOR DEVELOPERS; you can test your changes like this:
1768 BEFORE any changes in this code:
1769 $ ./gformat.py static /tmp/pre
1770 AFTER the changes:
1771 $ ./gformat.py static /tmp/post
1772 VIEW differences and VERIFY all are OK:
1773 $ diff -urI 'Generated' -r /tmp/pre /tmp/post
1774""" % { 'prog' : sys.argv[0], 'files' : '|'.join(files) }
1775 exit(0)
1776
1777
1778def is_text_request(environ=os.environ):
1779 """ Find out whether we are calling from the CLI or any text based CLI utility """
1780 if 'CONTENT_TYPE' in os.environ and os.environ['CONTENT_TYPE'] == 'text/plain':
1781 return True
1782
1783 if 'HTTP_USER_AGENT' in environ:
1784 return any([os.environ['HTTP_USER_AGENT'].lower().startswith(x) for x in ['curl', 'fetch', 'wget']])
1785 else:
1786 return False
1787
1788
1789def switchFormat(setting):
1790 if setting:
1791 return "YES"
1792 else:
1793 return "NO"
1794
1795def rlinput(prompt, prefill=''):
1796 import readline
1797 readline.set_startup_hook(lambda: readline.insert_text(prefill))
1798 try:
1799 return raw_input(prompt)
1800 finally:
1801 readline.set_startup_hook()
1802
1803def fix_conflict(left, right, default='i'):
1804 while True:
1805 print "## %-30s | %-30s" % (left, right)
1806 c = raw_input("## Solve Conflict (h for help) <l|r|e|i|> [%s]: " % default)
1807 if not c:
1808 c = default
1809
1810 if c in ['l','1']:
1811 return left
1812 elif c in ['r','2']:
1813 return right
1814 elif c in ['e', '3']:
1815 return rlinput("Edit: ", "%30s | %30s" % (left, right))
1816 elif c in ['i', '4']:
1817 return None
1818 else:
1819 print "#ERROR: '%s' is invalid input (left, right, edit or ignore)!" % c
1820
1821
1822
1823def print_cgi_response(response_headers, output):
1824 for header in response_headers:
1825 print "%s: %s" % header
1826 print
1827 print output
1828
1829
1830
1831def main():
1832 """Hard working sub"""
1833 # Allow easy hacking using the CLI
1834 if not os.environ.has_key('REQUEST_URI'):
1835 if len(sys.argv) < 2:
1836 usage()
1837
1838 if sys.argv[1] == "standalone":
1839 import SocketServer
1840 import CGIHTTPServer
1841 # Hop to the right working directory.
1842 os.chdir(os.path.dirname(__file__))
1843 try:
1844 PORT = int(sys.argv[2])
1845 except (IndexError,ValueError):
1846 PORT = 8000
1847
1848 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
1849 """ Serve this CGI from the root of the webserver """
1850 def is_cgi(self):
1851 if "favicon" in self.path:
1852 return False
1853
1854 self.cgi_info = (os.path.basename(__file__), self.path)
1855 self.path = ''
1856 return True
1857 handler = MyCGIHTTPRequestHandler
1858 SocketServer.TCPServer.allow_reuse_address = True
1859 httpd = SocketServer.TCPServer(("", PORT), handler)
1860 httpd.server_name = 'localhost'
1861 httpd.server_port = PORT
1862
1863 logger.info("serving at port %s", PORT)
1864 try:
1865 httpd.serve_forever()
1866 except KeyboardInterrupt:
1867 httpd.shutdown()
1868 logger.info("All done goodbye")
1869 elif sys.argv[1] == "test":
1870 # Basic argument validation
1871 try:
1872 node = sys.argv[2]
1873 except IndexError:
1874 print "Invalid argument"
1875 exit(1)
1876 except IOError as e:
1877 print e
1878 exit(1)
1879
1880 datadump = get_yaml(node)
1881
1882
1883 # Get files to generate
1884 gen_files = sys.argv[3:] if len(sys.argv) > 3 else files
1885
1886 # Actual config generation
1887 for config in gen_files:
1888 logger.info("## Generating %s %s", node, config)
1889 print generate_config(node, config, datadump)
1890 elif sys.argv[1] == "test-cgi":
1891 os.environ['REQUEST_URI'] = "/".join(['config'] + sys.argv[2:])
1892 os.environ['SCRIPT_NAME'] = __file__
1893 response_headers, output = process_cgi_request()
1894 print_cgi_response(response_headers, output)
1895 elif sys.argv[1] == "static":
1896 generate_static(sys.argv[2] if len(sys.argv) > 2 else "./static")
1897 elif sys.argv[1] == "wind-export":
1898 items = dict()
1899 for node in get_hostlist():
1900 datadump = get_yaml(node)
1901 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
1902 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
1903 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
1904 VALUES (
1905 (SELECT id FROM users WHERE username = 'rvdzwet'),
1906 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
1907 'Y');""" % datadump
1908 #for config in files:
1909 # items['config'] = config
1910 # print "## Generating %(node)s %(config)s" % items
1911 # f = open("%(wdir)s/%(config)s" % items, "w")
1912 # f.write(generate_config(node, config, datadump))
1913 # f.close()
1914 for node in get_hostlist():
1915 datadump = get_yaml(node)
1916 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
1917 ifacedump = datadump[iface_key]
1918 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
1919 ifacedump['nodename'] = datadump['nodename']
1920 if not ifacedump.has_key('channel') or not ifacedump['channel']:
1921 ifacedump['channel'] = 0
1922 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
1923 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
1924 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
1925 elif sys.argv[1] == "smokeping-export":
1926 for host in get_hostlist():
1927 datadump = get_yaml(host)
1928 if datadump.get('service_proxy_normal', False) or datadump.get('service_proxy_ileiden', False):
1929 print textwrap.dedent("""\
1930 ++ wleiden-gw-%(nodename)s
1931 menu = %(nodename)s.gw
1932 title = Wireless Leiden gateway %(nodename)s.gw.wleiden.net.
1933 host = %(nodename)s.gw.wleiden.net.
1934 """ % datadump)
1935 elif sys.argv[1] == "nagios-export":
1936 try:
1937 heavy_load = (sys.argv[2] == "--heavy-load")
1938 except IndexError:
1939 heavy_load = False
1940
1941 hostgroup_details = {
1942 'wleiden' : 'Stichting Wireless Leiden - FreeBSD Nodes',
1943 'wzoeterwoude' : 'Stichting Wireless Leiden - Afdeling Zoeterwoude - Free-WiFi Project',
1944 'walphen' : 'Stichting Wireless Alphen',
1945 'westeinder' : 'Westeinder Plassen',
1946 }
1947
1948 # Convert IP to Host
1949 ip2host = {'root' : 'root'}
1950 for host in get_hostlist():
1951 datadump = get_yaml(host)
1952 ip2host[datadump['masterip']] = datadump['autogen_fqdn']
1953 for iface in get_interface_keys(datadump):
1954 if datadump[iface].has_key('autogen_gateway'):
1955 ip2host[datadump[iface]['autogen_gateway']] = datadump['autogen_fqdn']
1956
1957 # Find dependency tree based on output of lvrouted.mytree of nearest node
1958 parents = defaultdict(list)
1959 stack = ['root']
1960 prev_depth = 0
1961 if os.path.isfile('lvrouted.mytree'):
1962 for line in open('lvrouted.mytree').readlines():
1963 depth = line.count('\t')
1964 ip = line.strip().split()[0]
1965
1966 if prev_depth < depth:
1967 try:
1968 parents[ip2host[ip]].append(ip2host[stack[-1]])
1969 except KeyError as e:
1970 print >> stderr, "# Unable to find %s in configuration files" % e.args[0]
1971 stack.append(ip)
1972 elif prev_depth > depth:
1973 stack = stack[:(depth - prev_depth)]
1974 elif prev_depth == depth:
1975 try:
1976 parents[ip2host[ip]].append(ip2host[stack[-1]])
1977 except KeyError as e:
1978 print >> stderr, "# Unable to find %s in configuration files" % e.args[0]
1979
1980
1981 prev_depth = depth
1982 # Observe that some nodes has themself as parent or multiple parents
1983 # for now take only the first parent, other behaviour is yet to be explained
1984
1985
1986
1987 params = {
1988 'check_interval' : 5 if heavy_load else 120,
1989 'retry_interval' : 1 if heavy_load else 10,
1990 'max_check_attempts' : 10 if heavy_load else 6,
1991 'notification_interval': 120 if heavy_load else 240,
1992 }
1993
1994 print '''\
1995define host {
1996 name wleiden-node ; Default Node Template
1997 use generic-host ; Use the standard template as initial starting point
1998 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1999 check_interval %(check_interval)s ; Actively check the host every 5 minutes
2000 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
2001 notification_interval %(notification_interval)s
2002 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
2003 check_command check-host-alive ; Default command to check FreeBSD hosts
2004 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
2005}
2006
2007define service {
2008 name wleiden-service ; Default Service Template
2009 use generic-service ; Use the standard template as initial starting point
2010 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
2011 check_interval %(check_interval)s ; Actively check the host every 5 minutes
2012 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
2013 notification_interval %(notification_interval)s
2014 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
2015 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
2016}
2017
2018# Please make sure to install:
2019# make -C /usr/ports/net-mgmt/nagios-check_netsnmp install clean
2020#
2021# Recompile net-mgmt/nagios-plugins to support check_snmp
2022# make -C /usr/ports/net-mgmt/nagios-plugins
2023#
2024# Install net/bind-tools to allow v2/check_dns_wl to work:
2025# pkg install bind-tools
2026#
2027define command{
2028 command_name check_snmp_disk
2029 command_line $USER1$/check_snmp_disk -H $HOSTADDRESS$ -C public
2030}
2031
2032define command{
2033 command_name check_netsnmp_load
2034 command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ -C public -w 80 -c 90
2035}
2036
2037define command{
2038 command_name check_netsnmp_proc
2039 command_line $USER1$/check_snmp_proc -H $HOSTADDRESS$ -C public
2040}
2041
2042define command{
2043 command_name check_by_ssh
2044 command_line $USER1$/check_by_ssh -H $HOSTADDRESS$ -p $ARG1$ -C "$ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$"
2045}
2046
2047define command{
2048 command_name check_dns_wl
2049 command_line $USER1$/v2/check_dns_wl $HOSTADDRESS$ $ARG1$
2050}
2051
2052define command{
2053 command_name check_snmp_uptime
2054 command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C public -o .1.3.6.1.2.1.1.3.0
2055}
2056
2057
2058# TDB: dhcp leases
2059# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 exec
2060
2061# TDB: internet status
2062# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 file
2063
2064# TDB: Advanced local passive checks
2065# /usr/local/libexec/nagios/check_by_ssh
2066''' % params
2067
2068 print '''\
2069# Service Group, not displayed by default
2070define hostgroup {
2071 hostgroup_name srv_hybrid
2072 alias All Hybrid Nodes
2073 register 0
2074}
2075
2076define service {
2077 use wleiden-service
2078 hostgroup_name srv_hybrid
2079 service_description SSH
2080 check_command check_ssh
2081}
2082
2083define service {
2084 use wleiden-service,service-pnp
2085 hostgroup_name srv_hybrid
2086 service_description HTTP
2087 check_command check_http
2088}
2089
2090define service {
2091 use wleiden-service
2092 hostgroup_name srv_hybrid
2093 service_description DNS
2094 check_command check_dns_wl!"www.wirelessleiden.nl"
2095}
2096'''
2097
2098 if heavy_load:
2099 print '''\
2100define service {
2101 use wleiden-service
2102 hostgroup_name srv_hybrid
2103 service_description UPTIME
2104 check_command check_snmp_uptime
2105}
2106
2107#define service {
2108# use wleiden-service
2109# hostgroup_name srv_hybrid
2110# service_description NTP
2111# check_command check_ntp_peer
2112#}
2113
2114define service {
2115 use wleiden-service
2116 hostgroup_name srv_hybrid
2117 service_description LOAD
2118 check_command check_netsnmp_load
2119}
2120
2121define service {
2122 use wleiden-service
2123 hostgroup_name srv_hybrid
2124 service_description PROC
2125 check_command check_netsnmp_proc
2126}
2127
2128define service {
2129 use wleiden-service
2130 hostgroup_name srv_hybrid
2131 service_description DISK
2132 check_command check_snmp_disk
2133}
2134'''
2135 for node in get_hostlist():
2136 datadump = get_yaml(node)
2137 if not datadump['status'] == 'up':
2138 continue
2139 if not hostgroup_details.has_key(datadump['monitoring_group']):
2140 hostgroup_details[datadump['monitoring_group']] = datadump['monitoring_group']
2141 print '''\
2142define host {
2143 use wleiden-node,host-pnp
2144 contact_groups admins
2145 host_name %(autogen_fqdn)s
2146 address %(masterip)s
2147 hostgroups srv_hybrid,%(monitoring_group)s\
2148''' % datadump
2149 if (len(parents[datadump['autogen_fqdn']]) > 0) and parents[datadump['autogen_fqdn']][0] != 'root':
2150 print '''\
2151 parents %(parents)s\
2152''' % { 'parents' : parents[datadump['autogen_fqdn']][0] }
2153 print '''\
2154}
2155'''
2156
2157
2158 for name,alias in hostgroup_details.iteritems():
2159 print '''\
2160define hostgroup {
2161 hostgroup_name %s
2162 alias %s
2163} ''' % (name, alias)
2164
2165
2166 elif sys.argv[1] == "full-export":
2167 hosts = {}
2168 for node in get_hostlist():
2169 datadump = get_yaml(node)
2170 hosts[datadump['nodename']] = datadump
2171 print yaml.dump(hosts)
2172
2173 elif sys.argv[1] == "dns":
2174 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns', 'external' in sys.argv)
2175 elif sys.argv[1] == "cleanup":
2176 # First generate all datadumps
2177 datadumps = dict()
2178 ssid_to_node = dict()
2179 for host in get_hostlist():
2180 logger.info("# Processing: %s", host)
2181 # Set some boring default values
2182 datadump = { 'board' : 'UNKNOWN' }
2183 datadump.update(get_yaml(host))
2184 datadumps[datadump['nodename']] = datadump
2185
2186 (poel, errors) = make_relations()
2187 print "\n".join(["# WARNING: %s" % x for x in errors])
2188
2189 for host,datadump in datadumps.iteritems():
2190 try:
2191 # Convert all yes and no to boolean values
2192 def fix_boolean(dump):
2193 for key in dump.keys():
2194 if type(dump[key]) == dict:
2195 dump[key] = fix_boolean(dump[key])
2196 elif str(dump[key]).lower() in ["yes", "true"]:
2197 dump[key] = True
2198 elif str(dump[key]).lower() in ["no", "false"]:
2199 # Compass richting no (Noord Oost) is valid input
2200 if key != "compass": dump[key] = False
2201 return dump
2202 datadump = fix_boolean(datadump)
2203
2204 if 'rdnap_x' in datadump and 'rdnap_y' in datadump:
2205 if not 'latitude' in datadump and not 'longitude' in datadump:
2206 datadump['latitude'], datadump['longitude'] = map(lambda x: "%.5f" % x, rd2etrs(datadump['rdnap_x'], datadump['rdnap_y']))
2207 elif 'latitude' in datadump and 'longitude' in datadump:
2208 if not 'rdnap_x' in datadump and not 'rdnap_y' in datadump:
2209 datadump['rdnap_x'], datadump['rdnap_y'] = etrs2rd(datadump['latitude'], datadump['longitude'])
2210 # TODO: Compare outcome of both coordinate systems and validate against each-other
2211
2212 if datadump['nodename'].startswith('Proxy'):
2213 datadump['nodename'] = datadump['nodename'].lower()
2214
2215 for iface_key in get_interface_keys(datadump):
2216 try:
2217 # All our normal wireless cards are normal APs now
2218 if datadump[iface_key]['type'] in ['11a', '11b', '11g', 'wireless']:
2219 datadump[iface_key]['mode'] = 'ap'
2220 # Wireless Leiden SSID have an consistent lowercase/uppercase
2221 if datadump[iface_key].has_key('ssid'):
2222 ssid = datadump[iface_key]['ssid']
2223 prefix = 'ap-WirelessLeiden-'
2224 if ssid.lower().startswith(prefix.lower()):
2225 datadump[iface_key]['ssid'] = prefix + ssid[len(prefix)].upper() + ssid[len(prefix) + 1:]
2226 if datadump[iface_key].has_key('ns_ip') and not datadump[iface_key].has_key('mode'):
2227 datadump[iface_key]['mode'] = 'autogen-FIXME'
2228 if not datadump[iface_key].has_key('comment'):
2229 datadump[iface_key]['comment'] = 'autogen-FIXME'
2230
2231 if datadump[iface_key].has_key('ns_mac'):
2232 datadump[iface_key]['ns_mac'] = datadump[iface_key]['ns_mac'].lower()
2233
2234 if datadump[iface_key]['comment'].startswith('autogen-') and datadump[iface_key].has_key('comment'):
2235 datadump[iface_key] = datadump[iface_key]['desc']
2236
2237 # We are not using 802.11b anymore. OFDM is preferred over DSSS
2238 # due to better collision avoidance.
2239 if datadump[iface_key]['type'] == '11b':
2240 datadump[iface_key]['type'] = '11g'
2241
2242 # Setting 802.11g channels to de-facto standards, to avoid
2243 # un-detected sharing with other overlapping channels
2244 #
2245 # Technically we could also use channel 13 in NL, but this is not
2246 # recommended as foreign devices might not be able to select this
2247 # channel. Secondly using 1,5,9,13 instead is going to clash with
2248 # the de-facto usage of 1,6,11.
2249 #
2250 # See: https://en.wikipedia.org/wiki/List_of_WLAN_channels
2251 channels_at_2400Mhz = (1,6,11)
2252 if datadump[iface_key]['type'] == '11g' and datadump[iface_key].has_key('channel'):
2253 datadump[iface_key]['channel'] = int(datadump[iface_key]['channel'])
2254 if datadump[iface_key]['channel'] not in channels_at_2400Mhz:
2255 datadump[iface_key]['channel'] = random.choice(channels_at_2400Mhz)
2256
2257 # Mandatory interface keys
2258 if not datadump[iface_key].has_key('status'):
2259 datadump[iface_key]['status'] = 'planned'
2260
2261 x = datadump[iface_key]['comment']
2262 datadump[iface_key]['comment'] = x[0].upper() + x[1:]
2263
2264 # Fixing bridge_type if none is found
2265 if datadump[iface_key].get('extra_type', '') == 'eth2wifibridge':
2266 if not 'bridge_type' in datadump[iface_key]:
2267 datadump[iface_key]['bridge_type'] = 'NanoStation M5'
2268
2269 # Making sure description works
2270 if datadump[iface_key].has_key('desc'):
2271 if datadump[iface_key]['comment'].lower() == datadump[iface_key]['desc'].lower():
2272 del datadump[iface_key]['desc']
2273 else:
2274 print "# ERROR: At %s - %s" % (datadump['nodename'], iface_key)
2275 response = fix_conflict(datadump[iface_key]['comment'], datadump[iface_key]['desc'])
2276 if response:
2277 datadump[iface_key]['comment'] = response
2278 del datadump[iface_key]['desc']
2279
2280 # Check DHCP configuration
2281 dhcp_type(datadump[iface_key])
2282
2283 # Set the compass value based on the angle between the poels
2284 if 'ns_ip' in datadump[iface_key] and 'ip' in datadump[iface_key] and not 'compass' in datadump[iface_key]:
2285 my_pool = poel[network(datadump[iface_key]['ip'])]
2286 remote_hosts = list(set([x[0] for x in my_pool]) - set([host]))
2287 if remote_hosts:
2288 compass_target = remote_hosts[0]
2289 datadump[iface_key]['compass'] = cd_between_hosts(host, compass_target, datadumps)
2290 # TODO: Compass wanted and actual direction might differ
2291
2292 # Monitoring Group default
2293 if not 'monitoring_group' in datadump:
2294 datadump['monitoring_group'] = 'wleiden'
2295
2296 except Exception as exc:
2297 exc.args = ("# Error while processing interface %s" % iface_key,) + exc.args
2298 raise
2299 store_yaml(datadump)
2300 except Exception as exc:
2301 exc.args = ("# Error while processing %s" % host,) + exc.args
2302 raise
2303 elif sys.argv[1] == "list":
2304 use_fqdn = False
2305 if len(sys.argv) < 4:
2306 usage()
2307 if not sys.argv[2] in ["up", "down", "planned", "all"]:
2308 usage()
2309 if not sys.argv[3] in ["nodes","proxies","systems"]:
2310 usage()
2311
2312 if len(sys.argv) > 4:
2313 if sys.argv[4] == "fqdn":
2314 use_fqdn = True
2315 else:
2316 usage()
2317
2318 for system in get_hostlist():
2319 datadump = get_yaml(system)
2320 if sys.argv[3] == 'proxies' and not datadump['service_proxy_ileiden']:
2321 continue
2322
2323 output = datadump['autogen_fqdn'] if use_fqdn else system
2324 if sys.argv[2] == "all":
2325 print output
2326 elif datadump['status'] == sys.argv[2]:
2327 print output
2328 elif sys.argv[1] == "create":
2329 if sys.argv[2] == "network.kml":
2330 print make_network_kml.make_graph()
2331 elif sys.argv[2] == "host-ips.txt":
2332 for system in get_hostlist():
2333 datadump = get_yaml(system)
2334 ips = [datadump['masterip']]
2335 for ifkey in get_interface_keys(datadump):
2336 ips.append(datadump[ifkey]['ip'].split('/')[0])
2337 print system, ' '.join(ips)
2338 elif sys.argv[2] == "host-pos.txt":
2339 for system in get_hostlist():
2340 datadump = get_yaml(system)
2341 print system, datadump['rdnap_x'], datadump['rdnap_y']
2342 elif sys.argv[2] == 'ssh_config':
2343 print '''
2344Host *.wleiden.net
2345 User root
2346
2347Host 172.16.*.*
2348 User root
2349'''
2350 for system in get_hostlist():
2351 datadump = get_yaml(system)
2352 print '''\
2353Host %s
2354 User root
2355
2356Host %s
2357 User root
2358
2359Host %s
2360 User root
2361
2362Host %s
2363 User root
2364''' % (system, system.lower(), datadump['nodename'], datadump['nodename'].lower())
2365 else:
2366 usage()
2367 else:
2368 usage()
2369 else:
2370 # Do not enable debugging for config requests as it highly clutters the output
2371 if not is_text_request():
2372 cgitb.enable()
2373
2374 try:
2375 response_headers, output = process_cgi_request()
2376 except:
2377 print ''
2378 print ''
2379 raise
2380
2381 print_cgi_response(response_headers, output)
2382
2383if __name__ == "__main__":
2384 main()
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