source: genesis/tools/gformat.py@ 14055

Last change on this file since 14055 was 14055, checked in by rick, 7 years ago

Fix merge errors of r14053 and r14054 commits
  • Property svn:executable set to *
  • Property svn:keywords set to Id
File size: 79.7 KB
Line 
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 14055 2018-02-20 19:06:24Z 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 base_uri = environ['REQUEST_URI']
1515 uri = base_uri.strip('/').split('/')[1:]
1516
1517 output = "Template Holder"
1518 if base_uri.endswith('/create/network.kml'):
1519 content_type='application/vnd.google-earth.kml+xml'
1520 output = make_network_kml.make_graph()
1521 elif base_uri.endswith('/api/get/nodeplanner.json'):
1522 content_type='application/json'
1523 output = make_network_kml.make_nodeplanner_json()
1524 elif not uri:
1525 if is_text_request(environ):
1526 output = '\n'.join(get_hostlist())
1527 else:
1528 content_type = 'text/html'
1529 output = generate_title(get_hostlist())
1530 elif len(uri) == 1:
1531 if is_text_request(environ):
1532 output = generate_node(uri[0])
1533 else:
1534 content_type = 'text/html'
1535 output = open(os.path.join(CACHE_DIR, uri[0], 'index.html'), 'r').read()
1536 elif len(uri) == 2:
1537 output = generate_config(uri[0], uri[1])
1538 else:
1539 assert False, "Invalid option"
1540
1541 # Return response
1542 response_headers += [
1543 ('Content-type', content_type),
1544 ('Content-Length', str(len(output))),
1545 ]
1546 return(response_headers, str(output))
1547
1548
1549def make_dns(output_dir = 'dns', external = False):
1550 items = dict()
1551
1552 # hostname is key, IP is value
1553 wleiden_zone = defaultdict(list)
1554 wleiden_cname = dict()
1555
1556 pool = dict()
1557 for node in get_hostlist():
1558 datadump = get_yaml(node)
1559
1560 fqdn = datadump['nodename']
1561
1562 if datadump.has_key('rdr_host'):
1563 remote_target = datadump['rdr_host']
1564 elif datadump.has_key('remote_access') and datadump['remote_access']:
1565 remote_target = datadump['remote_access'].split(':')[0]
1566 else:
1567 remote_target = None
1568
1569 if remote_target:
1570 try:
1571 parseaddr(remote_target)
1572 wleiden_zone[datadump['nodename'] + '.gw'].append((remote_target, False))
1573 except (IndexError, ValueError):
1574 wleiden_cname[datadump['nodename'] + '.gw'] = remote_target + '.'
1575
1576
1577 wleiden_zone[fqdn].append((datadump['masterip'], True))
1578
1579 # Hacking to get proper DHCP IPs and hostnames
1580 for iface_key in get_interface_keys(datadump):
1581 iface_name = iface_key.replace('_','-')
1582 if 'ip' in datadump[iface_key]:
1583 (ip, cidr) = datadump[iface_key]['ip'].split('/')
1584 try:
1585 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
1586 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
1587 dhcp_part = ".".join(ip.split('.')[0:3])
1588 if ip != datadump['masterip']:
1589 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)].append((ip, True))
1590 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
1591 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)].append(("%s.%s" % (dhcp_part, i), True))
1592 except (AttributeError, ValueError, KeyError):
1593 # First push it into a pool, to indentify the counter-part later on
1594 addr = parseaddr(ip)
1595 cidr = int(cidr)
1596 addr = addr & ~((1 << (32 - cidr)) - 1)
1597 if pool.has_key(addr):
1598 pool[addr] += [(iface_name, fqdn, ip)]
1599 else:
1600 pool[addr] = [(iface_name, fqdn, ip)]
1601 continue
1602
1603
1604
1605 # WL uses an /29 to configure an interface. IP's are ordered like this:
1606 # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
1607
1608 sn = lambda x: re.sub(r'(?i)^cnode','',x)
1609
1610 # Automatic naming convention of interlinks namely 2 + remote.lower()
1611 for (key,value) in pool.iteritems():
1612 # Make sure they are sorted from low-ip to high-ip
1613 value = sorted(value, key=lambda x: parseaddr(x[2]))
1614
1615 if len(value) == 1:
1616 (iface_name, fqdn, ip) = value[0]
1617 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)].append((ip, True))
1618
1619 # Device DNS names
1620 if 'cnode' in fqdn.lower():
1621 wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)].append((showaddr(parseaddr(ip) + 1), False))
1622 wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % ((iface_name, fqdn))
1623
1624 elif len(value) == 2:
1625 (a_iface_name, a_fqdn, a_ip) = value[0]
1626 (b_iface_name, b_fqdn, b_ip) = value[1]
1627 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)].append((a_ip, True))
1628 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)].append((b_ip, True))
1629
1630 # Device DNS names
1631 if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
1632 wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)].append((showaddr(parseaddr(a_ip) + 1), False))
1633 wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)].append((showaddr(parseaddr(b_ip) - 1), False))
1634 wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1635 wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1636 wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1637 wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1638
1639 else:
1640 pool_members = [k[1] for k in value]
1641 for item in value:
1642 (iface_name, fqdn, ip) = item
1643 wleiden_zone["2ring.%s" % (fqdn)].append((ip, True))
1644
1645 # Include static DNS entries
1646 # XXX: Should they override the autogenerated results?
1647 # XXX: Convert input to yaml more useable.
1648 # Format:
1649 ##; this is a comment
1650 ## roomburgh=Roomburgh1
1651 ## apkerk1.Vosko=172.17.176.8 ;this as well
1652 dns_list = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
1653
1654 # Hack to allow special entries, for development
1655 wleiden_raw = {}
1656
1657 for line in dns_list:
1658 reverse = False
1659 k, items = line.items()[0]
1660 if type(items) == dict:
1661 if items.has_key('reverse'):
1662 reverse = items['reverse']
1663 items = items['a']
1664 else:
1665 items = items['cname']
1666 items = [items] if type(items) != list else items
1667 for item in items:
1668 if item.startswith('IN '):
1669 wleiden_raw[k] = item
1670 elif valid_addr(item):
1671 wleiden_zone[k].append((item, reverse))
1672 else:
1673 wleiden_cname[k] = item
1674
1675 # Hack to get dynamic pool listing
1676 def chunks(l, n):
1677 return [l[i:i+n] for i in range(0, len(l), n)]
1678
1679 ntp_servers = [x[0] for x in get_nameservers()]
1680 for id, chunk in enumerate(chunks(ntp_servers,(len(ntp_servers)/4))):
1681 for ntp_server in chunk:
1682 wleiden_zone['%i.pool.ntp' % id].append((ntp_server, False))
1683
1684 details = dict()
1685 # 24 updates a day allowed
1686 details['serial'] = time.strftime('%Y%m%d%H')
1687
1688 if external:
1689 dns_masters = ['ns1.vanderzwet.net', 'ns1.transip.net', 'ns2.transip.eu']
1690 else:
1691 dns_masters = ['druif.wleiden.net'] + ["%s.wleiden.net" % x[1] for x in get_nameservers(max_servers=3)]
1692
1693 details['master'] = dns_masters[0]
1694 details['ns_servers'] = '\n'.join(['\tNS\t%s.' % x for x in dns_masters])
1695
1696 dns_header = '''
1697$TTL 3h
1698%(zone)s. SOA %(master)s. beheer.lijst.wirelessleiden.nl. ( %(serial)s 15m 15m 1w 60s )
1699 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
1700
1701%(ns_servers)s
1702 \n'''
1703
1704
1705 if not os.path.isdir(output_dir):
1706 os.makedirs(output_dir)
1707 details['zone'] = 'wleiden.net'
1708 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1709 f.write(dns_header % details)
1710
1711 for host,items in wleiden_zone.iteritems():
1712 for ip,reverse in items:
1713 if ip not in ['0.0.0.0']:
1714 f.write("%s.wleiden.net. IN A %s\n" % (host.lower(), ip))
1715 for source,dest in wleiden_cname.iteritems():
1716 dest = dest if dest.endswith('.') else dest + ".wleiden.net."
1717 f.write("%s.wleiden.net. IN CNAME %s\n" % (source.lower(), dest.lower()))
1718 for source, dest in wleiden_raw.iteritems():
1719 f.write("%s.wleiden.net. %s\n" % (source, dest))
1720 f.close()
1721
1722 # Create whole bunch of specific sub arpa zones. To keep it compliant
1723 for s in range(16,32):
1724 details['zone'] = '%i.172.in-addr.arpa' % s
1725 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1726 f.write(dns_header % details)
1727
1728 #XXX: Not effient, fix to proper data structure and do checks at other
1729 # stages
1730 for host,items in wleiden_zone.iteritems():
1731 for ip,reverse in items:
1732 if not reverse:
1733 continue
1734 if valid_addr(ip):
1735 if valid_addr(ip):
1736 if int(ip.split('.')[1]) == s:
1737 rev_ip = '.'.join(reversed(ip.split('.')))
1738 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
1739 f.close()
1740
1741
1742def usage():
1743 print """Usage: %(prog)s <argument>
1744Argument:
1745\tcleanup = Cleanup all YAML files to specified format
1746\tstandalone [port] = Run configurator webserver [8000]
1747\tdns [outputdir] = Generate BIND compliant zone files in dns [./dns]
1748\tnagios-export [--heavy-load] = Generate basic nagios configuration file.
1749\tfull-export = Generate yaml export script for heatmap.
1750\tstatic [outputdir] = Generate all config files and store on disk
1751\t with format ./<outputdir>/%%NODE%%/%%FILE%% [./static]
1752\ttest <node> [<file>] = Receive output for certain node [all files].
1753\ttest-cgi <node> <file> = Receive output of CGI script [all files].
1754\tlist <status> <items> = List systems which have certain status
1755\tcreate network.kml = Create Network KML file for use in Google Earth
1756
1757Arguments:
1758\t<node> = NodeName (example: HybridRick)
1759\t<file> = %(files)s
1760\t<status> = all|up|down|planned
1761\t<items> = systems|nodes|proxies
1762
1763NOTE FOR DEVELOPERS; you can test your changes like this:
1764 BEFORE any changes in this code:
1765 $ ./gformat.py static /tmp/pre
1766 AFTER the changes:
1767 $ ./gformat.py static /tmp/post
1768 VIEW differences and VERIFY all are OK:
1769 $ diff -urI 'Generated' -r /tmp/pre /tmp/post
1770""" % { 'prog' : sys.argv[0], 'files' : '|'.join(files) }
1771 exit(0)
1772
1773
1774def is_text_request(environ=os.environ):
1775 """ Find out whether we are calling from the CLI or any text based CLI utility """
1776 if 'CONTENT_TYPE' in os.environ and os.environ['CONTENT_TYPE'] == 'text/plain':
1777 return True
1778
1779 if 'HTTP_USER_AGENT' in environ:
1780 return any([os.environ['HTTP_USER_AGENT'].lower().startswith(x) for x in ['curl', 'fetch', 'wget']])
1781 else:
1782 return False
1783
1784
1785def switchFormat(setting):
1786 if setting:
1787 return "YES"
1788 else:
1789 return "NO"
1790
1791def rlinput(prompt, prefill=''):
1792 import readline
1793 readline.set_startup_hook(lambda: readline.insert_text(prefill))
1794 try:
1795 return raw_input(prompt)
1796 finally:
1797 readline.set_startup_hook()
1798
1799def fix_conflict(left, right, default='i'):
1800 while True:
1801 print "## %-30s | %-30s" % (left, right)
1802 c = raw_input("## Solve Conflict (h for help) <l|r|e|i|> [%s]: " % default)
1803 if not c:
1804 c = default
1805
1806 if c in ['l','1']:
1807 return left
1808 elif c in ['r','2']:
1809 return right
1810 elif c in ['e', '3']:
1811 return rlinput("Edit: ", "%30s | %30s" % (left, right))
1812 elif c in ['i', '4']:
1813 return None
1814 else:
1815 print "#ERROR: '%s' is invalid input (left, right, edit or ignore)!" % c
1816
1817
1818
1819def print_cgi_response(response_headers, output):
1820 for header in response_headers:
1821 print "%s: %s" % header
1822 print
1823 print output
1824
1825
1826
1827def main():
1828 """Hard working sub"""
1829 # Allow easy hacking using the CLI
1830 if not os.environ.has_key('REQUEST_URI'):
1831 if len(sys.argv) < 2:
1832 usage()
1833
1834 if sys.argv[1] == "standalone":
1835 import SocketServer
1836 import CGIHTTPServer
1837 # Hop to the right working directory.
1838 os.chdir(os.path.dirname(__file__))
1839 try:
1840 PORT = int(sys.argv[2])
1841 except (IndexError,ValueError):
1842 PORT = 8000
1843
1844 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
1845 """ Serve this CGI from the root of the webserver """
1846 def is_cgi(self):
1847 if "favicon" in self.path:
1848 return False
1849
1850 self.cgi_info = (os.path.basename(__file__), self.path)
1851 self.path = ''
1852 return True
1853 handler = MyCGIHTTPRequestHandler
1854 SocketServer.TCPServer.allow_reuse_address = True
1855 httpd = SocketServer.TCPServer(("", PORT), handler)
1856 httpd.server_name = 'localhost'
1857 httpd.server_port = PORT
1858
1859 logger.info("serving at port %s", PORT)
1860 try:
1861 httpd.serve_forever()
1862 except KeyboardInterrupt:
1863 httpd.shutdown()
1864 logger.info("All done goodbye")
1865 elif sys.argv[1] == "test":
1866 # Basic argument validation
1867 try:
1868 node = sys.argv[2]
1869 except IndexError:
1870 print "Invalid argument"
1871 exit(1)
1872 except IOError as e:
1873 print e
1874 exit(1)
1875
1876 datadump = get_yaml(node)
1877
1878
1879 # Get files to generate
1880 gen_files = sys.argv[3:] if len(sys.argv) > 3 else files
1881
1882 # Actual config generation
1883 for config in gen_files:
1884 logger.info("## Generating %s %s", node, config)
1885 print generate_config(node, config, datadump)
1886 elif sys.argv[1] == "test-cgi":
1887 os.environ['REQUEST_URI'] = "/".join(['config'] + sys.argv[2:])
1888 os.environ['SCRIPT_NAME'] = __file__
1889 response_headers, output = process_cgi_request()
1890 print_cgi_response(response_headers, output)
1891 elif sys.argv[1] == "static":
1892 generate_static(sys.argv[2] if len(sys.argv) > 2 else "./static")
1893 elif sys.argv[1] == "wind-export":
1894 items = dict()
1895 for node in get_hostlist():
1896 datadump = get_yaml(node)
1897 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
1898 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
1899 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
1900 VALUES (
1901 (SELECT id FROM users WHERE username = 'rvdzwet'),
1902 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
1903 'Y');""" % datadump
1904 #for config in files:
1905 # items['config'] = config
1906 # print "## Generating %(node)s %(config)s" % items
1907 # f = open("%(wdir)s/%(config)s" % items, "w")
1908 # f.write(generate_config(node, config, datadump))
1909 # f.close()
1910 for node in get_hostlist():
1911 datadump = get_yaml(node)
1912 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
1913 ifacedump = datadump[iface_key]
1914 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
1915 ifacedump['nodename'] = datadump['nodename']
1916 if not ifacedump.has_key('channel') or not ifacedump['channel']:
1917 ifacedump['channel'] = 0
1918 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
1919 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
1920 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
1921 elif sys.argv[1] == "nagios-export":
1922 try:
1923 heavy_load = (sys.argv[2] == "--heavy-load")
1924 except IndexError:
1925 heavy_load = False
1926
1927 hostgroup_details = {
1928 'wleiden' : 'Stichting Wireless Leiden - FreeBSD Nodes',
1929 'wzoeterwoude' : 'Stichting Wireless Leiden - Afdeling Zoeterwoude - Free-WiFi Project',
1930 'walphen' : 'Stichting Wireless Alphen',
1931 'westeinder' : 'Westeinder Plassen',
1932 }
1933
1934 # Convert IP to Host
1935 ip2host = {'root' : 'root'}
1936 for host in get_hostlist():
1937 datadump = get_yaml(host)
1938 ip2host[datadump['masterip']] = datadump['autogen_fqdn']
1939 for iface in get_interface_keys(datadump):
1940 if datadump[iface].has_key('autogen_gateway'):
1941 ip2host[datadump[iface]['autogen_gateway']] = datadump['autogen_fqdn']
1942
1943 # Find dependency tree based on output of lvrouted.mytree of nearest node
1944 parents = defaultdict(list)
1945 stack = ['root']
1946 prev_depth = 0
1947 for line in open('lvrouted.mytree').readlines():
1948 depth = line.count('\t')
1949 ip = line.strip().split()[0]
1950
1951 if prev_depth < depth:
1952 try:
1953 parents[ip2host[ip]].append(ip2host[stack[-1]])
1954 except KeyError as e:
1955 print >> stderr, "# Unable to find %s in configuration files" % e.args[0]
1956 stack.append(ip)
1957 elif prev_depth > depth:
1958 stack = stack[:(depth - prev_depth)]
1959 elif prev_depth == depth:
1960 try:
1961 parents[ip2host[ip]].append(ip2host[stack[-1]])
1962 except KeyError as e:
1963 print >> stderr, "# Unable to find %s in configuration files" % e.args[0]
1964
1965
1966 prev_depth = depth
1967 # Observe that some nodes has themself as parent or multiple parents
1968 # for now take only the first parent, other behaviour is yet to be explained
1969
1970
1971
1972 params = {
1973 'check_interval' : 5 if heavy_load else 120,
1974 'retry_interval' : 1 if heavy_load else 10,
1975 'max_check_attempts' : 10 if heavy_load else 6,
1976 'notification_interval': 120 if heavy_load else 240,
1977 }
1978
1979 print '''\
1980define host {
1981 name wleiden-node ; Default Node Template
1982 use generic-host ; Use the standard template as initial starting point
1983 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1984 check_interval %(check_interval)s ; Actively check the host every 5 minutes
1985 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
1986 notification_interval %(notification_interval)s
1987 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
1988 check_command check-host-alive ; Default command to check FreeBSD hosts
1989 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
1990}
1991
1992define service {
1993 name wleiden-service ; Default Service Template
1994 use generic-service ; Use the standard template as initial starting point
1995 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1996 check_interval %(check_interval)s ; Actively check the host every 5 minutes
1997 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
1998 notification_interval %(notification_interval)s
1999 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
2000 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
2001}
2002
2003# Please make sure to install:
2004# make -C /usr/ports/net-mgmt/nagios-check_netsnmp install clean
2005#
2006# Recompile net-mgmt/nagios-plugins to support check_snmp
2007# make -C /usr/ports/net-mgmt/nagios-plugins
2008#
2009# Install net/bind-tools to allow v2/check_dns_wl to work:
2010# pkg install bind-tools
2011#
2012define command{
2013 command_name check_snmp_disk
2014 command_line $USER1$/check_snmp_disk -H $HOSTADDRESS$ -C public
2015}
2016
2017define command{
2018 command_name check_netsnmp_load
2019 command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ -C public -w 80 -c 90
2020}
2021
2022define command{
2023 command_name check_netsnmp_proc
2024 command_line $USER1$/check_snmp_proc -H $HOSTADDRESS$ -C public
2025}
2026
2027define command{
2028 command_name check_by_ssh
2029 command_line $USER1$/check_by_ssh -H $HOSTADDRESS$ -p $ARG1$ -C "$ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$"
2030}
2031
2032define command{
2033 command_name check_dns_wl
2034 command_line $USER1$/v2/check_dns_wl $HOSTADDRESS$ $ARG1$
2035}
2036
2037define command{
2038 command_name check_snmp_uptime
2039 command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C public -o .1.3.6.1.2.1.1.3.0
2040}
2041
2042
2043# TDB: dhcp leases
2044# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 exec
2045
2046# TDB: internet status
2047# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 file
2048
2049# TDB: Advanced local passive checks
2050# /usr/local/libexec/nagios/check_by_ssh
2051''' % params
2052
2053 print '''\
2054# Service Group, not displayed by default
2055define hostgroup {
2056 hostgroup_name srv_hybrid
2057 alias All Hybrid Nodes
2058 register 0
2059}
2060
2061define service {
2062 use wleiden-service
2063 hostgroup_name srv_hybrid
2064 service_description SSH
2065 check_command check_ssh
2066}
2067
2068define service {
2069 use wleiden-service,service-pnp
2070 hostgroup_name srv_hybrid
2071 service_description HTTP
2072 check_command check_http
2073}
2074
2075define service {
2076 use wleiden-service
2077 hostgroup_name srv_hybrid
2078 service_description DNS
2079 check_command check_dns_wl!"www.wirelessleiden.nl"
2080}
2081'''
2082
2083 if heavy_load:
2084 print '''\
2085define service {
2086 use wleiden-service
2087 hostgroup_name srv_hybrid
2088 service_description UPTIME
2089 check_command check_snmp_uptime
2090}
2091
2092#define service {
2093# use wleiden-service
2094# hostgroup_name srv_hybrid
2095# service_description NTP
2096# check_command check_ntp_peer
2097#}
2098
2099define service {
2100 use wleiden-service
2101 hostgroup_name srv_hybrid
2102 service_description LOAD
2103 check_command check_netsnmp_load
2104}
2105
2106define service {
2107 use wleiden-service
2108 hostgroup_name srv_hybrid
2109 service_description PROC
2110 check_command check_netsnmp_proc
2111}
2112
2113define service {
2114 use wleiden-service
2115 hostgroup_name srv_hybrid
2116 service_description DISK
2117 check_command check_snmp_disk
2118}
2119'''
2120 for node in get_hostlist():
2121 datadump = get_yaml(node)
2122 if not datadump['status'] == 'up':
2123 continue
2124 if not hostgroup_details.has_key(datadump['monitoring_group']):
2125 hostgroup_details[datadump['monitoring_group']] = datadump['monitoring_group']
2126 print '''\
2127define host {
2128 use wleiden-node,host-pnp
2129 contact_groups admins
2130 host_name %(autogen_fqdn)s
2131 address %(masterip)s
2132 hostgroups srv_hybrid,%(monitoring_group)s\
2133''' % datadump
2134 if (len(parents[datadump['autogen_fqdn']]) > 0) and parents[datadump['autogen_fqdn']][0] != 'root':
2135 print '''\
2136 parents %(parents)s\
2137''' % { 'parents' : parents[datadump['autogen_fqdn']][0] }
2138 print '''\
2139}
2140'''
2141
2142
2143 for name,alias in hostgroup_details.iteritems():
2144 print '''\
2145define hostgroup {
2146 hostgroup_name %s
2147 alias %s
2148} ''' % (name, alias)
2149
2150
2151 elif sys.argv[1] == "full-export":
2152 hosts = {}
2153 for node in get_hostlist():
2154 datadump = get_yaml(node)
2155 hosts[datadump['nodename']] = datadump
2156 print yaml.dump(hosts)
2157
2158 elif sys.argv[1] == "dns":
2159 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns', 'external' in sys.argv)
2160 elif sys.argv[1] == "cleanup":
2161 # First generate all datadumps
2162 datadumps = dict()
2163 ssid_to_node = dict()
2164 for host in get_hostlist():
2165 logger.info("# Processing: %s", host)
2166 # Set some boring default values
2167 datadump = { 'board' : 'UNKNOWN' }
2168 datadump.update(get_yaml(host))
2169 datadumps[datadump['nodename']] = datadump
2170
2171 (poel, errors) = make_relations()
2172 print "\n".join(["# WARNING: %s" % x for x in errors])
2173
2174 for host,datadump in datadumps.iteritems():
2175 try:
2176 # Convert all yes and no to boolean values
2177 def fix_boolean(dump):
2178 for key in dump.keys():
2179 if type(dump[key]) == dict:
2180 dump[key] = fix_boolean(dump[key])
2181 elif str(dump[key]).lower() in ["yes", "true"]:
2182 dump[key] = True
2183 elif str(dump[key]).lower() in ["no", "false"]:
2184 # Compass richting no (Noord Oost) is valid input
2185 if key != "compass": dump[key] = False
2186 return dump
2187 datadump = fix_boolean(datadump)
2188
2189 if 'rdnap_x' in datadump and 'rdnap_y' in datadump:
2190 if not 'latitude' in datadump and not 'longitude' in datadump:
2191 datadump['latitude'], datadump['longitude'] = map(lambda x: "%.5f" % x, rd2etrs(datadump['rdnap_x'], datadump['rdnap_y']))
2192 elif 'latitude' in datadump and 'longitude' in datadump:
2193 if not 'rdnap_x' in datadump and not 'rdnap_y' in datadump:
2194 datadump['rdnap_x'], datadump['rdnap_y'] = etrs2rd(datadump['latitude'], datadump['longitude'])
2195 # TODO: Compare outcome of both coordinate systems and validate against each-other
2196
2197 if datadump['nodename'].startswith('Proxy'):
2198 datadump['nodename'] = datadump['nodename'].lower()
2199
2200 for iface_key in get_interface_keys(datadump):
2201 try:
2202 # All our normal wireless cards are normal APs now
2203 if datadump[iface_key]['type'] in ['11a', '11b', '11g', 'wireless']:
2204 datadump[iface_key]['mode'] = 'ap'
2205 # Wireless Leiden SSID have an consistent lowercase/uppercase
2206 if datadump[iface_key].has_key('ssid'):
2207 ssid = datadump[iface_key]['ssid']
2208 prefix = 'ap-WirelessLeiden-'
2209 if ssid.lower().startswith(prefix.lower()):
2210 datadump[iface_key]['ssid'] = prefix + ssid[len(prefix)].upper() + ssid[len(prefix) + 1:]
2211 if datadump[iface_key].has_key('ns_ip') and not datadump[iface_key].has_key('mode'):
2212 datadump[iface_key]['mode'] = 'autogen-FIXME'
2213 if not datadump[iface_key].has_key('comment'):
2214 datadump[iface_key]['comment'] = 'autogen-FIXME'
2215
2216 if datadump[iface_key].has_key('ns_mac'):
2217 datadump[iface_key]['ns_mac'] = datadump[iface_key]['ns_mac'].lower()
2218
2219 if datadump[iface_key]['comment'].startswith('autogen-') and datadump[iface_key].has_key('comment'):
2220 datadump[iface_key] = datadump[iface_key]['desc']
2221
2222 # We are not using 802.11b anymore. OFDM is preferred over DSSS
2223 # due to better collision avoidance.
2224 if datadump[iface_key]['type'] == '11b':
2225 datadump[iface_key]['type'] = '11g'
2226
2227 # Setting 802.11g channels to de-facto standards, to avoid
2228 # un-detected sharing with other overlapping channels
2229 #
2230 # Technically we could also use channel 13 in NL, but this is not
2231 # recommended as foreign devices might not be able to select this
2232 # channel. Secondly using 1,5,9,13 instead is going to clash with
2233 # the de-facto usage of 1,6,11.
2234 #
2235 # See: https://en.wikipedia.org/wiki/List_of_WLAN_channels
2236 channels_at_2400Mhz = (1,6,11)
2237 if datadump[iface_key]['type'] == '11g' and datadump[iface_key].has_key('channel'):
2238 datadump[iface_key]['channel'] = int(datadump[iface_key]['channel'])
2239 if datadump[iface_key]['channel'] not in channels_at_2400Mhz:
2240 datadump[iface_key]['channel'] = random.choice(channels_at_2400Mhz)
2241
2242 # Mandatory interface keys
2243 if not datadump[iface_key].has_key('status'):
2244 datadump[iface_key]['status'] = 'planned'
2245
2246 x = datadump[iface_key]['comment']
2247 datadump[iface_key]['comment'] = x[0].upper() + x[1:]
2248
2249 # Fixing bridge_type if none is found
2250 if datadump[iface_key].get('extra_type', '') == 'eth2wifibridge':
2251 if not 'bridge_type' in datadump[iface_key]:
2252 datadump[iface_key]['bridge_type'] = 'NanoStation M5'
2253
2254 # Making sure description works
2255 if datadump[iface_key].has_key('desc'):
2256 if datadump[iface_key]['comment'].lower() == datadump[iface_key]['desc'].lower():
2257 del datadump[iface_key]['desc']
2258 else:
2259 print "# ERROR: At %s - %s" % (datadump['nodename'], iface_key)
2260 response = fix_conflict(datadump[iface_key]['comment'], datadump[iface_key]['desc'])
2261 if response:
2262 datadump[iface_key]['comment'] = response
2263 del datadump[iface_key]['desc']
2264
2265 # Check DHCP configuration
2266 dhcp_type(datadump[iface_key])
2267
2268 # Set the compass value based on the angle between the poels
2269 if 'ns_ip' in datadump[iface_key] and 'ip' in datadump[iface_key] and not 'compass' in datadump[iface_key]:
2270 my_pool = poel[network(datadump[iface_key]['ip'])]
2271 remote_hosts = list(set([x[0] for x in my_pool]) - set([host]))
2272 if remote_hosts:
2273 compass_target = remote_hosts[0]
2274 datadump[iface_key]['compass'] = cd_between_hosts(host, compass_target, datadumps)
2275 # TODO: Compass wanted and actual direction might differ
2276
2277 # Monitoring Group default
2278 if not 'monitoring_group' in datadump:
2279 datadump['monitoring_group'] = 'wleiden'
2280
2281 except Exception as exc:
2282 exc.args = ("# Error while processing interface %s" % iface_key,) + exc.args
2283 raise
2284 store_yaml(datadump)
2285 except Exception as exc:
2286 exc.args = ("# Error while processing %s" % host,) + exc.args
2287 raise
2288 elif sys.argv[1] == "list":
2289 use_fqdn = False
2290 if len(sys.argv) < 4:
2291 usage()
2292 if not sys.argv[2] in ["up", "down", "planned", "all"]:
2293 usage()
2294 if not sys.argv[3] in ["nodes","proxies","systems"]:
2295 usage()
2296
2297 if len(sys.argv) > 4:
2298 if sys.argv[4] == "fqdn":
2299 use_fqdn = True
2300 else:
2301 usage()
2302
2303 for system in get_hostlist():
2304 datadump = get_yaml(system)
2305 if sys.argv[3] == 'proxies' and not datadump['service_proxy_ileiden']:
2306 continue
2307
2308 output = datadump['autogen_fqdn'] if use_fqdn else system
2309 if sys.argv[2] == "all":
2310 print output
2311 elif datadump['status'] == sys.argv[2]:
2312 print output
2313 elif sys.argv[1] == "create":
2314 if sys.argv[2] == "network.kml":
2315 print make_network_kml.make_graph()
2316 elif sys.argv[2] == "host-ips.txt":
2317 for system in get_hostlist():
2318 datadump = get_yaml(system)
2319 ips = [datadump['masterip']]
2320 for ifkey in get_interface_keys(datadump):
2321 ips.append(datadump[ifkey]['ip'].split('/')[0])
2322 print system, ' '.join(ips)
2323 elif sys.argv[2] == "host-pos.txt":
2324 for system in get_hostlist():
2325 datadump = get_yaml(system)
2326 print system, datadump['rdnap_x'], datadump['rdnap_y']
2327 elif sys.argv[2] == 'ssh_config':
2328 print '''
2329Host *.wleiden.net
2330 User root
2331
2332Host 172.16.*.*
2333 User root
2334'''
2335 for system in get_hostlist():
2336 datadump = get_yaml(system)
2337 print '''\
2338Host %s
2339 User root
2340
2341Host %s
2342 User root
2343
2344Host %s
2345 User root
2346
2347Host %s
2348 User root
2349''' % (system, system.lower(), datadump['nodename'], datadump['nodename'].lower())
2350 else:
2351 usage()
2352 else:
2353 usage()
2354 else:
2355 # Do not enable debugging for config requests as it highly clutters the output
2356 if not is_text_request():
2357 cgitb.enable()
2358 response_headers, output = process_cgi_request()
2359 print_cgi_response(response_headers, output)
2360
2361if __name__ == "__main__":
2362 main()
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