source: genesis/tools/gformat.py@ 10424

Last change on this file since 10424 was 10424, checked in by rick, 13 years ago

Typo in unused dhcpd.conf, extra bracket

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1#!/usr/bin/env 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# ScriptAlias /wleiden/config /usr/local/www/genesis/tools/gformat.py
10# <Directory /usr/local/www/genesis>
11# Allow from all
12# AcceptPathInfo On
13# </Directory>
14#
15# Rick van der Zwet <info@rickvanderzwet.nl>
16#
17
18# Hack to make the script directory is also threated as a module search path.
19import sys
20import os
21import re
22sys.path.append(os.path.dirname(__file__))
23
24import cgi
25import cgitb
26import copy
27import glob
28import socket
29import string
30import subprocess
31import time
32import rdnap
33import make_network_kml
34from pprint import pprint
35from collections import defaultdict
36try:
37 import yaml
38except ImportError, e:
39 print e
40 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
41 exit(1)
42
43try:
44 from yaml import CLoader as Loader
45 from yaml import CDumper as Dumper
46except ImportError:
47 from yaml import Loader, Dumper
48
49from jinja2 import Template
50
51import logging
52logging.basicConfig(format='# %(levelname)s: %(message)s' )
53logger = logging.getLogger()
54logger.setLevel(logging.DEBUG)
55
56
57if os.environ.has_key('CONFIGROOT'):
58 NODE_DIR = os.environ['CONFIGROOT']
59else:
60 NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
61__version__ = '$Id: gformat.py 10424 2012-04-10 20:49:55Z rick $'
62
63
64files = [
65 'authorized_keys',
66 'dnsmasq.conf',
67 'dhcpd.conf',
68 'rc.conf.local',
69 'resolv.conf',
70 'motd',
71 'wleiden.yaml',
72 ]
73
74# Global variables uses
75OK = 10
76DOWN = 20
77UNKNOWN = 90
78
79def get_yaml(item):
80 """ Get configuration yaml for 'item'"""
81 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
82
83 f = open(gfile, 'r')
84 datadump = yaml.load(f,Loader=Loader)
85 f.close()
86
87 # Preformat certain needed variables for formatting and push those into special object
88 datadump['autogen_iface_keys'] = get_interface_keys(datadump)
89
90 wlan_count=0
91 for key in datadump['autogen_iface_keys']:
92 if datadump[key]['type'] in ['11a', '11b', '11g', 'wireless']:
93 datadump[key]['autogen_ifname'] = 'wlan%i' % wlan_count
94 wlan_count += 1
95 else:
96 datadump[key]['autogen_ifname'] = datadump[key]['interface'].split(':')[0]
97
98 dhcp_interfaces = [datadump[key]['autogen_ifname'] for key in datadump['autogen_iface_keys'] if datadump[key]['dhcp'] != 'no']
99 datadump['autogen_dhcp_interfaces'] = ' '.join(dhcp_interfaces)
100 datadump['autogen_item'] = item
101
102 datadump['autogen_realname'] = get_realname(datadump)
103 datadump['autogen_domain'] = datadump['domain'] if datadump.has_key('domain') else 'wleiden.net.'
104 datadump['autogen_fqdn'] = datadump['autogen_realname'] + '.' + datadump['autogen_domain']
105 return datadump
106
107
108def store_yaml(datadump, header=False):
109 """ Store configuration yaml for 'item'"""
110 item = datadump['autogen_item']
111 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
112
113 f = open(gfile, 'w')
114 f.write(generate_wleiden_yaml(datadump, header))
115 f.close()
116
117
118
119def make_relations():
120 """ Process _ALL_ yaml files to get connection relations """
121 errors = ""
122 poel = defaultdict(list)
123 for host in get_hostlist():
124 try:
125 datadump = get_yaml(host)
126 for iface_key in datadump['autogen_iface_keys']:
127 l = datadump[iface_key]['ip']
128 addr, mask = l.split('/')
129
130 # Not parsing of these folks please
131 if not valid_addr(addr):
132 continue
133
134 addr = parseaddr(addr)
135 mask = int(mask)
136 network = addr & ~((1 << (32 - mask)) - 1)
137 poel[network] += [(host,datadump[iface_key])]
138 except (KeyError, ValueError), e:
139 errors += "[FOUT] in '%s' interface '%s'" % (host,iface_key)
140 errors += e
141 continue
142 return (poel, errors)
143
144
145def get_proxylist():
146 """Get all available proxies proxyX sorting based on X number"""
147 proxylist = sorted([os.path.basename(x) for x in glob.glob("%s/proxy*" % NODE_DIR)],
148 key=lambda name: int(''.join([c for c in name if c in string.digits])),
149 cmp=lambda x,y: x - y) + sorted([os.path.basename(x) for x in glob.glob("%s/Proxy*" % NODE_DIR)])
150 return proxylist
151
152def get_hybridlist():
153 """Get all available proxies hybridX sorting based on X number"""
154 hybridlist = sorted([os.path.basename(x) for x in glob.glob("%s/hybrid*" % NODE_DIR)],
155 key=lambda name: int(''.join([c for c in name if c in string.digits])),
156 cmp=lambda x,y: x - y)
157 return hybridlist
158
159
160def valid_addr(addr):
161 """ Show which address is valid in which are not """
162 return str(addr).startswith('172.')
163
164
165def get_nodelist():
166 """ Get all available nodes - sorted """
167 nodelist = sorted([os.path.basename(x) for x in glob.glob("%s/CNode*" % NODE_DIR)])
168 return nodelist
169
170def get_hostlist():
171 """ Combined hosts and proxy list"""
172 return get_nodelist() + get_proxylist() + get_hybridlist()
173
174def angle_between_points(lat1,lat2,long1,long2):
175 """
176 Return Angle in radians between two GPS coordinates
177 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
178 """
179 dy = lat2 - lat1
180 dx = math.cos(math.pi/180*lat1)*(long2 - long1)
181 angle = math.atan2(dy,dx)
182 return angle
183
184def angle_to_cd(angle):
185 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
186
187 # For easy conversion get positive degree
188 degrees = math.degrees(angle)
189 if degrees < 0:
190 360 - abs(degrees)
191
192 # Numbers can be confusing calculate from the 4 main directions
193 p = 22.5
194 if degrees < p:
195 return "n"
196 elif degrees < (90 - p):
197 return "no"
198 elif degrees < (90 + p):
199 return "o"
200 elif degrees < (180 - p):
201 return "zo"
202 elif degrees < (180 + p):
203 return "z"
204 elif degrees < (270 - p):
205 return "zw"
206 elif degrees < (270 + p):
207 return "w"
208 elif degrees < (360 - p):
209 return "nw"
210 else:
211 return "n"
212
213
214def generate_title(nodelist):
215 """ Main overview page """
216 items = {'root' : "." }
217 output = """
218<html>
219 <head>
220 <title>Wireless leiden Configurator - GFormat</title>
221 <style type="text/css">
222 th {background-color: #999999}
223 tr:nth-child(odd) {background-color: #cccccc}
224 tr:nth-child(even) {background-color: #ffffff}
225 th, td {padding: 0.1em 1em}
226 </style>
227 </head>
228 <body>
229 <center>
230 <form type="GET" action="%(root)s">
231 <input type="hidden" name="action" value="update">
232 <input type="submit" value="Update Configuration Database (SVN)">
233 </form>
234 <table>
235 <caption><h3>Wireless Leiden Configurator</h3></caption>
236 """ % items
237
238 for node in nodelist:
239 items['node'] = node
240 output += '<tr><td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items
241 for config in files:
242 items['config'] = config
243 output += '<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items
244 output += "</tr>"
245 output += """
246 </table>
247 <hr />
248 <em>%s</em>
249 </center>
250 </body>
251</html>
252 """ % __version__
253
254 return output
255
256
257
258def generate_node(node):
259 """ Print overview of all files available for node """
260 return "\n".join(files)
261
262def generate_node_overview(host):
263 """ Print overview of all files available for node """
264 datadump = get_yaml(host)
265 params = { 'host' : host }
266 output = "<em><a href='..'>Back to overview</a></em><hr />"
267 output += "<h2>Available files:</h2><ul>"
268 for cf in files:
269 params['cf'] = cf
270 output += '<li><a href="%(host)s/%(cf)s">%(cf)s</a></li>\n' % params
271 output += "</ul>"
272
273 # Generate and connection listing
274 output += "<h2>Connected To:</h2><ul>"
275 (poel, errors) = make_relations()
276 for network, hosts in poel.iteritems():
277 if host in [x[0] for x in hosts]:
278 if len(hosts) == 1:
279 # Single not connected interface
280 continue
281 for remote,ifacedump in hosts:
282 if remote == host:
283 # This side of the interface
284 continue
285 params = { 'remote': remote, 'remote_ip' : ifacedump['ip'] }
286 output += '<li><a href="%(remote)s">%(remote)s</a> -- %(remote_ip)s</li>\n' % params
287 output += "</ul>"
288 output += "<h2>MOTD details:</h2><pre>" + generate_motd(datadump) + "</pre>"
289
290 output += "<hr /><em><a href='..'>Back to overview</a></em>"
291 return output
292
293
294def generate_header(ctag="#"):
295 return """\
296%(ctag)s
297%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
298%(ctag)s Generated at %(date)s by %(host)s
299%(ctag)s
300""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname() }
301
302
303
304def parseaddr(s):
305 """ Process IPv4 CIDR notation addr to a (binary) number """
306 f = s.split('.')
307 return (long(f[0]) << 24L) + \
308 (long(f[1]) << 16L) + \
309 (long(f[2]) << 8L) + \
310 long(f[3])
311
312
313
314def showaddr(a):
315 """ Display IPv4 addr in (dotted) CIDR notation """
316 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
317
318
319def is_member(ip, mask, canidate):
320 """ Return True if canidate is part of ip/mask block"""
321 ip_addr = gformat.parseaddr(ip)
322 ip_canidate = gformat.parseaddr(canidate)
323 mask = int(mask)
324 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
325 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
326 return ip_addr == ip_canidate
327
328
329
330def cidr2netmask(netmask):
331 """ Given a 'netmask' return corresponding CIDR """
332 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
333
334def get_network(addr, mask):
335 return showaddr(parseaddr(addr) & ~((1 << (32 - int(mask))) - 1))
336
337
338def generate_dhcpd_conf(datadump):
339 """ Generate config file '/usr/local/etc/dhcpd.conf """
340 output = generate_header()
341 output += Template("""\
342# option definitions common to all supported networks...
343option domain-name "dhcp.{{ autogen_fqdn }}";
344
345default-lease-time 600;
346max-lease-time 7200;
347
348# Use this to enble / disable dynamic dns updates globally.
349#ddns-update-style none;
350
351# If this DHCP server is the official DHCP server for the local
352# network, the authoritative directive should be uncommented.
353authoritative;
354
355# Use this to send dhcp log messages to a different log file (you also
356# have to hack syslog.conf to complete the redirection).
357log-facility local7;
358
359#
360# Interface definitions
361#
362\n""").render(datadump)
363
364 for iface_key in datadump['autogen_iface_keys']:
365 if not datadump[iface_key].has_key('comment'):
366 datadump[iface_key]['comment'] = none
367 output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
368
369 (addr, mask) = datadump[iface_key]['ip'].split('/')
370 datadump[iface_key]['addr'] = addr
371 datadump[iface_key]['netmask'] = cidr2netmask(mask)
372 datadump[iface_key]['subnet'] = get_network(addr, mask)
373 try:
374 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
375 except (AttributeError, ValueError):
376 output += "subnet %(subnet)s netmask %(netmask)s {\n ### not autoritive\n}\n\n" % datadump[iface_key]
377 continue
378
379 dhcp_part = ".".join(addr.split('.')[0:3])
380 datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
381 datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
382 output += """\
383subnet %(subnet)s netmask %(netmask)s {
384 range %(dhcp_start)s %(dhcp_stop)s;
385 option routers %(addr)s;
386 option domain-name-servers %(addr)s;
387}
388\n""" % datadump[iface_key]
389
390 return output
391
392
393
394def generate_dnsmasq_conf(datadump):
395 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
396 output = generate_header()
397 output += Template("""\
398# DHCP server options
399dhcp-authoritative
400dhcp-fqdn
401domain=dhcp.{{ autogen_fqdn }}
402domain-needed
403expand-hosts
404log-async=100
405
406# Low memory footprint
407cache-size=10000
408
409\n""").render(datadump)
410
411 for iface_key in datadump['autogen_iface_keys']:
412 if not datadump[iface_key].has_key('comment'):
413 datadump[iface_key]['comment'] = none
414 output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
415
416 try:
417 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
418 (ip, cidr) = datadump[iface_key]['ip'].split('/')
419 datadump[iface_key]['netmask'] = cidr2netmask(cidr)
420 except (AttributeError, ValueError):
421 output += "# not autoritive\n\n"
422 continue
423
424 dhcp_part = ".".join(ip.split('.')[0:3])
425 datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
426 datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
427 output += "dhcp-range=%(interface)s,%(dhcp_start)s,%(dhcp_stop)s,%(netmask)s,24h\n\n" % datadump[iface_key]
428
429 return output
430
431
432
433def generate_rc_conf_local(datadump):
434 """ Generate configuration file '/etc/rc.conf.local' """
435 datadump['autogen_ileiden_enable'] = 'yes' if datadump['ileiden'] else 'no'
436
437 ileiden_proxies = []
438 normal_proxies = []
439 for proxy in get_proxylist():
440 proxydump = get_yaml(proxy)
441 if proxydump['ileiden']:
442 ileiden_proxies.append(proxydump)
443 else:
444 normal_proxies.append(proxydump)
445 datadump['autogen_ileiden_proxies'] = ','.join([x['masterip'] for x in ileiden_proxies])
446 datadump['autogen_ileiden_proxies_names'] = ','.join([x['autogen_item'] for x in ileiden_proxies])
447 datadump['autogen_normal_proxies'] = ','.join([x['masterip'] for x in normal_proxies])
448 datadump['autogen_normal_proxies_names'] = ','.join([x['autogen_item'] for x in normal_proxies])
449
450 output = generate_header("#");
451 output += Template("""\
452hostname='{{ autogen_fqdn }}'
453location='{{ location }}'
454nodetype="{{ nodetype }}"
455
456{% if tproxy -%}
457tproxy_enable='YES'
458tproxy_range='{{ tproxy }}'
459{% else -%}
460tproxy_enable='NO'
461{% endif -%}
462
463{% if nodetype == "Proxy" or nodetype == "Hybrid" %}
464#
465# Edge Configuration
466#
467
468
469# Firewall and Routing Configuration
470
471{% if gateway -%}
472defaultrouter="{{ gateway }}"
473{% else -%}
474#defaultrouter="NOTSET"
475{% endif -%}
476internalif="{{ internalif }}"
477ileiden_enable="{{ autogen_ileiden_enable }}"
478gateway_enable="{{ autogen_ileiden_enable }}"
479pf_enable="yes"
480pf_rules="/etc/pf.conf"
481{% if autogen_ileiden_enable == "yes" -%}
482pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={80,443}"
483lvrouted_enable="{{ autogen_ileiden_enable }}"
484lvrouted_flags="-u -s s00p3rs3kr3t -m 28"
485{% else -%}
486pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={0}"
487{% endif -%}
488{% if internalroute -%}
489static_routes="wleiden"
490route_wleiden="-net 172.16.0.0/12 {{ internalroute }}"
491{% endif -%}
492{% endif -%}
493
494{% if nodetype == "CNode" %}
495#
496# NODE iLeiden Configuration
497#
498# iLeiden Proxies {{ autogen_ileiden_proxies_names }}
499list_ileiden_proxies="{{ autogen_ileiden_proxies }}"
500# normal Proxies {{ autogen_normal_proxies_names }}
501list_normal_proxies="{{ autogen_normal_proxies }}"
502
503lvrouted_flags="-u -s s00p3rs3kr3t -m 28 -z $list_ileiden_proxies"
504{% endif %}
505{% if vpnif -%}
506 vpnif="{{ vpnif }}"
507{% endif -%}
508
509captive_portal_whitelist=""
510captive_portal_interfaces="{{ autogen_dhcp_interfaces }}"
511\n
512""").render(datadump)
513
514 # lo0 configuration:
515 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
516 # - masterip is special as it needs to be assigned to at
517 # least one interface, so if not used assign to lo0
518 addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
519 iface_map = {'lo0' : 'lo0'}
520 dhclient_if = {'lo0' : False}
521
522 masterip_used = False
523 for iface_key in datadump['autogen_iface_keys']:
524 if datadump[iface_key]['ip'].startswith(datadump['masterip']):
525 masterip_used = True
526 break
527 if not masterip_used:
528 addrs_list['lo0'].append((datadump['masterip'] + "/32", 'Master IP Not used in interface'))
529
530 for iface_key in datadump['autogen_iface_keys']:
531 ifacedump = datadump[iface_key]
532 ifname = ifacedump['autogen_ifname']
533
534 # Flag dhclient is possible
535 dhclient_if[ifname] = ifacedump.has_key('dhcpclient') and ifacedump['dhcpclient']
536
537 # Add interface IP to list
538 item = (ifacedump['ip'], ifacedump['desc'])
539 if addrs_list.has_key(ifname):
540 addrs_list[ifname].append(item)
541 else:
542 addrs_list[ifname] = [item]
543
544 # Alias only needs IP assignment for now, this might change if we
545 # are going to use virtual accesspoints
546 if "alias" in iface_key:
547 continue
548
549 # XXX: Might want to deduct type directly from interface name
550 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
551 # Default to station (client) mode
552 ifacedump['wlanmode'] = "sta"
553 if ifacedump['mode'] in ['master', 'master-wds', 'ap', 'ap-wds']:
554 ifacedump['wlanmode'] = "ap"
555 # Default to 802.11b mode
556 ifacedump['mode'] = '11b'
557 if ifacedump['type'] in ['11a', '11b' '11g']:
558 ifacedump['mode'] = ifacedump['type']
559
560 if not ifacedump.has_key('channel'):
561 if ifacedump['type'] == '11a':
562 ifacedump['channel'] = 36
563 else:
564 ifacedump['channel'] = 1
565
566 # Allow special hacks at the back like wds and stuff
567 if not ifacedump.has_key('extra'):
568 ifacedump['extra'] = 'regdomain ETSI country NL'
569
570 output += "wlans_%(interface)s='%(autogen_ifname)s'\n" % ifacedump
571 output += ("create_args_%(autogen_ifname)s='wlanmode %(wlanmode)s mode " +\
572 "%(mode)s ssid %(ssid)s %(extra)s channel %(channel)s'\n") % ifacedump
573
574 elif ifacedump['type'] in ['ethernet', 'eth']:
575 # No special config needed besides IP
576 pass
577 else:
578 assert False, "Unknown type " + ifacedump['type']
579
580 # Print IP address which needs to be assigned over here
581 output += "\n"
582 for iface,addrs in sorted(addrs_list.iteritems()):
583 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
584 output += "# %s || %s || %s\n" % (iface, addr, comment)
585
586 # Write DHCLIENT entry
587 if dhclient_if[iface]:
588 output += "ifconfig_%s='SYNCDHCP'\n\n" % (iface)
589 else:
590 output += "ipv4_addrs_%s='%s'\n\n" % (iface, " ".join([x[0] for x in addrs]))
591
592 return output
593
594
595
596
597def get_all_configs():
598 """ Get dict with key 'host' with all configs present """
599 configs = dict()
600 for host in get_hostlist():
601 datadump = get_yaml(host)
602 configs[host] = datadump
603 return configs
604
605
606def get_interface_keys(config):
607 """ Quick hack to get all interface keys, later stage convert this to a iterator """
608 return sorted([elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)])
609
610
611def get_used_ips(configs):
612 """ Return array of all IPs used in config files"""
613 ip_list = []
614 for config in configs:
615 ip_list.append(config['masterip'])
616 for iface_key in get_interface_keys(config):
617 l = config[iface_key]['ip']
618 addr, mask = l.split('/')
619 # Special case do not process
620 if valid_addr(addr):
621 ip_list.append(addr)
622 else:
623 logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
624 return sorted(ip_list)
625
626
627
628def generate_resolv_conf(datadump):
629 """ Generate configuration file '/etc/resolv.conf' """
630 output = generate_header("#");
631 output += """\
632search wleiden.net
633"""
634 if datadump['nodetype'] == 'Proxy':
635 output += """\
636# Try local (cache) first
637nameserver 127.0.0.1
638nameserver 8.8.8.8 # Google Public NameServer
639nameserver 8.8.4.4 # Google Public NameServer
640"""
641 elif datadump['nodetype'] == 'Hybrid':
642 for proxy in get_proxylist():
643 proxy_ip = get_yaml(proxy)['masterip']
644 output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
645 output += """\
646nameserver 8.8.8.8 # Google Public NameServer
647nameserver 8.8.4.4 # Google Public NameServer
648"""
649 else:
650 output += """\
651# Try local (cache) first
652nameserver 127.0.0.1
653
654# Proxies are recursive nameservers
655# needs to be in resolv.conf for dnsmasq as well
656""" % datadump
657 for proxy in get_proxylist():
658 proxy_ip = get_yaml(proxy)['masterip']
659 output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
660
661 return output
662
663def generate_motd(datadump):
664 """ Generate configuration file '/etc/motd' """
665 output = """\
666FreeBSD 9.0-RELEASE (kernel.wleiden) #0 r230587: Sun Jan 29 17:09:57 CET 2012
667
668 WWW: %(autogen_fqdn)s - http://www.wirelessleiden.nl
669 Loc: %(location)s
670
671Interlinks:
672""" % datadump
673
674 # XXX: This is a hacky way to get the required data
675 for line in generate_rc_conf_local(datadump).split('\n'):
676 if '||' in line and not line[1:].split()[0] in ['lo0', 'ath0'] :
677 output += " - %s \n" % line[1:]
678 output += """\
679Attached bridges:
680"""
681 for iface_key in datadump['autogen_iface_keys']:
682 ifacedump = datadump[iface_key]
683 if ifacedump.has_key('ns_ip'):
684 output += " - %(interface)s || %(mode)s || %(ns_ip)s\n" % ifacedump
685
686 return output
687
688
689def format_yaml_value(value):
690 """ Get yaml value in right syntax for outputting """
691 if isinstance(value,str):
692 output = '"%s"' % value
693 else:
694 output = value
695 return output
696
697
698
699def format_wleiden_yaml(datadump):
700 """ Special formatting to ensure it is editable"""
701 output = "# Genesis config yaml style\n"
702 output += "# vim:ts=2:et:sw=2:ai\n"
703 output += "#\n"
704 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
705 for key in sorted(set(datadump.keys()) - set(iface_keys)):
706 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
707
708 output += "\n\n"
709
710 key_order = [ 'comment', 'interface', 'ip', 'desc', 'sdesc', 'mode', 'type',
711 'extra_type', 'channel', 'ssid', 'dhcp' ]
712
713 for iface_key in sorted(iface_keys):
714 output += "%s:\n" % iface_key
715 for key in key_order + list(sorted(set(datadump[iface_key].keys()) - set(key_order))):
716 if datadump[iface_key].has_key(key):
717 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
718 output += "\n\n"
719
720 return output
721
722
723
724def generate_wleiden_yaml(datadump, header=True):
725 """ Generate (petty) version of wleiden.yaml"""
726 for key in datadump.keys():
727 if key.startswith('autogen_'):
728 del datadump[key]
729 # Interface autogen cleanups
730 elif type(datadump[key]) == dict:
731 for key2 in datadump[key].keys():
732 if key2.startswith('autogen_'):
733 del datadump[key][key2]
734
735 output = generate_header("#") if header else ''
736 output += format_wleiden_yaml(datadump)
737 return output
738
739
740def generate_yaml(datadump):
741 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
742
743
744
745def generate_config(node, config, datadump=None):
746 """ Print configuration file 'config' of 'node' """
747 output = ""
748 try:
749 # Load config file
750 if datadump == None:
751 datadump = get_yaml(node)
752
753 if config == 'wleiden.yaml':
754 output += generate_wleiden_yaml(datadump)
755 elif config == 'authorized_keys':
756 f = open(os.path.join(NODE_DIR,"global_keys"), 'r')
757 output += f.read()
758 f.close()
759 elif config == 'dnsmasq.conf':
760 output += generate_dnsmasq_conf(datadump)
761 elif config == 'dhcpd.conf':
762 output += generate_dhcpd_conf(datadump)
763 elif config == 'rc.conf.local':
764 output += generate_rc_conf_local(datadump)
765 elif config == 'resolv.conf':
766 output += generate_resolv_conf(datadump)
767 elif config == 'motd':
768 output += generate_motd(datadump)
769 else:
770 assert False, "Config not found!"
771 except IOError, e:
772 output += "[ERROR] Config file not found"
773 return output
774
775
776
777def process_cgi_request():
778 """ When calling from CGI """
779 # Update repository if requested
780 form = cgi.FieldStorage()
781 if form.getvalue("action") == "update":
782 print "Refresh: 5; url=."
783 print "Content-type:text/plain\r\n\r\n",
784 print "[INFO] Updating subverion, please wait..."
785 print subprocess.Popen(['svn', 'cleanup', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
786 print subprocess.Popen(['svn', 'up', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
787 print "[INFO] All done, redirecting in 5 seconds"
788 sys.exit(0)
789
790
791 base_uri = os.environ['PATH_INFO']
792 uri = base_uri.strip('/').split('/')
793
794 output = ""
795 if base_uri.endswith('/create/network.kml'):
796 output += "Content-type:application/vnd.google-earth.kml+xml\r\n\r\n"
797 output += make_network_kml.make_graph()
798 elif not uri[0]:
799 if is_text_request():
800 output += "Content-type:text/plain\r\n\r\n"
801 output += '\n'.join(get_hostlist())
802 else:
803 output += "Content-type:text/html\r\n\r\n"
804 output += generate_title(get_hostlist())
805 elif len(uri) == 1:
806 if is_text_request():
807 output += "Content-type:text/plain\r\n\r\n"
808 output += generate_node(uri[0])
809 else:
810 output += "Content-type:text/html\r\n\r\n"
811 output += generate_node_overview(uri[0])
812 elif len(uri) == 2:
813 output += "Content-type:text/plain\r\n\r\n"
814 output += generate_config(uri[0], uri[1])
815 else:
816 assert False, "Invalid option"
817 print output
818
819def get_realname(datadump):
820 # Proxy naming convention is special, as the proxy name is also included in
821 # the nodename, when it comes to the numbered proxies.
822 if datadump['nodetype'] == 'Proxy':
823 realname = datadump['nodetype'] + datadump['nodename'].replace('proxy','')
824 else:
825 # By default the full name is listed and also a shortname CNAME for easy use.
826 realname = datadump['nodetype'] + datadump['nodename']
827 return(realname)
828
829
830
831def make_dns(output_dir = 'dns', external = False):
832 items = dict()
833
834 # hostname is key, IP is value
835 wleiden_zone = dict()
836 wleiden_cname = dict()
837
838 pool = dict()
839 for node in get_hostlist():
840 logger.info("Processing host %s", node)
841 datadump = get_yaml(node)
842
843 # Proxy naming convention is special
844 fqdn = datadump['autogen_realname']
845 if datadump['nodetype'] == 'CNode':
846 wleiden_cname[datadump['nodename']] = fqdn
847
848 wleiden_zone[fqdn] = datadump['masterip']
849
850 # Hacking to get proper DHCP IPs and hostnames
851 for iface_key in get_interface_keys(datadump):
852 iface_name = datadump[iface_key]['interface'].replace(':',"-alias-")
853 (ip, cidr) = datadump[iface_key]['ip'].split('/')
854 try:
855 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
856 datadump[iface_key]['netmask'] = cidr2netmask(cidr)
857 dhcp_part = ".".join(ip.split('.')[0:3])
858 if ip != datadump['masterip']:
859 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)] = ip
860 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
861 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)] = "%s.%s" % (dhcp_part, i)
862 except (AttributeError, ValueError):
863 # First push it into a pool, to indentify the counter-part later on
864 addr = parseaddr(ip)
865 netmask = int(netmask)
866 addr = addr & ~((1 << (32 - netmask)) - 1)
867 if pool.has_key(addr):
868 pool[addr] += [(iface_name, fqdn, ip)]
869 else:
870 pool[addr] = [(iface_name, fqdn, ip)]
871 continue
872
873
874 def pool_to_name(node, pool_members):
875 """Convert the joined name to a usable pool name"""
876
877 # Get rid of the own entry
878 pool_members = list(set(pool_members) - set([fqdn]))
879
880 target = oldname = ''
881 for node in sorted(pool_members):
882 (name, number) = re.match('^([A-Za-z]+)([0-9]*)$',node).group(1,2)
883 target += "-" + number if name == oldname else "-" + node if target else node
884 oldname = name
885
886 return target
887
888
889 # WL uses an /29 to configure an interface. IP's are ordered like this:
890 # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
891
892 sn = lambda x: re.sub(r'(?i)^cnode','',x)
893
894 # Automatic naming convention of interlinks namely 2 + remote.lower()
895 for (key,value) in pool.iteritems():
896 # Make sure they are sorted from low-ip to high-ip
897 value = sorted(value, key=lambda x: parseaddr(x[2]))
898
899 if len(value) == 1:
900 (iface_name, fqdn, ip) = value[0]
901 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)] = ip
902
903 # Device DNS names
904 if 'cnode' in fqdn.lower():
905 wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)] = showaddr(parseaddr(ip) + 1)
906 wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % (iface_name, fqdn)
907
908 elif len(value) == 2:
909 (a_iface_name, a_fqdn, a_ip) = value[0]
910 (b_iface_name, b_fqdn, b_ip) = value[1]
911 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)] = a_ip
912 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)] = b_ip
913
914 # Device DNS names
915 if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
916 wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)] = showaddr(parseaddr(a_ip) + 1)
917 wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)] = showaddr(parseaddr(b_ip) - 1)
918 wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
919 wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
920 wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
921 wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
922
923 else:
924 pool_members = [k[1] for k in value]
925 for item in value:
926 (iface_name, fqdn, ip) = item
927 pool_name = "2pool-" + showaddr(key).replace('.','-') + "-" + pool_to_name(fqdn,pool_members)
928 wleiden_zone["%s.%s" % (pool_name, fqdn)] = ip
929
930 # Include static DNS entries
931 # XXX: Should they override the autogenerated results?
932 # XXX: Convert input to yaml more useable.
933 # Format:
934 ##; this is a comment
935 ## roomburgh=CNodeRoomburgh1
936 ## apkerk1.CNodeVosko=172.17.176.8 ;this as well
937 dns = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
938
939 # Hack to allow special entries, for development
940 wleiden_raw = dns['raw']
941 del dns['raw']
942
943 for comment, block in dns.iteritems():
944 for k,v in block.iteritems():
945 if valid_addr(v):
946 wleiden_zone[k] = v
947 else:
948 wleiden_cname[k] = v
949
950 details = dict()
951 # 24 updates a day allowed
952 details['serial'] = time.strftime('%Y%m%d%H')
953
954 if external:
955 dns_masters = ['siteview.wirelessleiden.nl', 'ns1.vanderzwet.net']
956 else:
957 dns_masters = ['sunny.wleiden.net']
958
959 details['master'] = dns_masters[0]
960 details['ns_servers'] = '\n'.join(['\tNS\t%s.' % x for x in dns_masters])
961
962 dns_header = '''
963$TTL 3h
964%(zone)s. SOA %(master)s. beheer.lijst.wirelessleiden.nl. ( %(serial)s 1d 12h 1w 3h )
965 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
966
967%(ns_servers)s
968 \n'''
969
970
971 if not os.path.isdir(output_dir):
972 os.makedirs(output_dir)
973 details['zone'] = 'wleiden.net'
974 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
975 f.write(dns_header % details)
976
977 for host,ip in wleiden_zone.iteritems():
978 if valid_addr(ip):
979 f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
980 for source,dest in wleiden_cname.iteritems():
981 f.write("%s.wleiden.net. IN CNAME %s.wleiden.net.\n" % (source.lower(), dest.lower()))
982 for source, dest in wleiden_raw.iteritems():
983 f.write("%s.wleiden.net. %s\n" % (source, dest))
984 f.close()
985
986 # Create whole bunch of specific sub arpa zones. To keep it compliant
987 for s in range(16,32):
988 details['zone'] = '%i.172.in-addr.arpa' % s
989 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
990 f.write(dns_header % details)
991
992 #XXX: Not effient, fix to proper data structure and do checks at other
993 # stages
994 for host,ip in wleiden_zone.iteritems():
995 if valid_addr(ip):
996 if int(ip.split('.')[1]) == s:
997 rev_ip = '.'.join(reversed(ip.split('.')))
998 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
999 f.close()
1000
1001
1002def usage():
1003 print """Usage: %s <standalone [port] |test [test arguments]|static|dns>
1004Examples:
1005\tdns [outputdir] = Generate BIND compliant zone files in dns.
1006\tstandalone = Run configurator webserver [default port=8000]
1007\twind-export = Generate SQL import scripts for WIND database
1008\tfull-export = Generate yaml export script for heatmap.
1009\tstatic = Generate all config files and store on disk
1010\t with format ./static/%%NODE%%/%%FILE%%
1011\ttest CNodeRick dnsmasq.conf = Receive output of CGI script
1012\t for arguments CNodeRick/dnsmasq.conf
1013\tlist <all|nodes|proxies> = List systems which marked up.
1014"""
1015 exit(0)
1016
1017
1018def is_text_request():
1019 """ Find out whether we are calling from the CLI or any text based CLI utility """
1020 try:
1021 return os.environ['HTTP_USER_AGENT'].split()[0] in ['curl', 'fetch', 'wget']
1022 except KeyError:
1023 return True
1024
1025def main():
1026 """Hard working sub"""
1027 # Allow easy hacking using the CLI
1028 if not os.environ.has_key('PATH_INFO'):
1029 if len(sys.argv) < 2:
1030 usage()
1031
1032 if sys.argv[1] == "standalone":
1033 import SocketServer
1034 import CGIHTTPServer
1035 # Hop to the right working directory.
1036 os.chdir(os.path.dirname(__file__))
1037 try:
1038 PORT = int(sys.argv[2])
1039 except (IndexError,ValueError):
1040 PORT = 8000
1041
1042 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
1043 """ Serve this CGI from the root of the webserver """
1044 def is_cgi(self):
1045 if "favicon" in self.path:
1046 return False
1047
1048 self.cgi_info = (os.path.basename(__file__), self.path)
1049 self.path = ''
1050 return True
1051 handler = MyCGIHTTPRequestHandler
1052 SocketServer.TCPServer.allow_reuse_address = True
1053 httpd = SocketServer.TCPServer(("", PORT), handler)
1054 httpd.server_name = 'localhost'
1055 httpd.server_port = PORT
1056
1057 logger.info("serving at port %s", PORT)
1058 try:
1059 httpd.serve_forever()
1060 except KeyboardInterrupt:
1061 httpd.shutdown()
1062 logger.info("All done goodbye")
1063 elif sys.argv[1] == "test":
1064 os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
1065 os.environ['SCRIPT_NAME'] = __file__
1066 process_cgi_request()
1067 elif sys.argv[1] == "unit-test":
1068 os.environ['SCRIPT_NAME'] = __file__
1069 for host in get_hostlist():
1070 for outfile in files:
1071 os.environ['PATH_INFO'] = "/".join([host,outfile])
1072 try:
1073 process_cgi_request()
1074 except Exception:
1075 print "# ERROR: %s" % os.environ['PATH_INFO']
1076 raise
1077
1078
1079 elif sys.argv[1] == "static":
1080 items = dict()
1081 for node in get_hostlist():
1082 items['node'] = node
1083 items['wdir'] = "./static/%(node)s" % items
1084 if not os.path.isdir(items['wdir']):
1085 os.makedirs(items['wdir'])
1086 datadump = get_yaml(node)
1087 for config in files:
1088 items['config'] = config
1089 logger.info("## Generating %(node)s %(config)s" % items)
1090 f = open("%(wdir)s/%(config)s" % items, "w")
1091 f.write(generate_config(node, config, datadump))
1092 f.close()
1093 elif sys.argv[1] == "wind-export":
1094 items = dict()
1095 for node in get_hostlist():
1096 datadump = get_yaml(node)
1097 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
1098 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
1099 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
1100 VALUES (
1101 (SELECT id FROM users WHERE username = 'rvdzwet'),
1102 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
1103 'Y');""" % datadump
1104 #for config in files:
1105 # items['config'] = config
1106 # print "## Generating %(node)s %(config)s" % items
1107 # f = open("%(wdir)s/%(config)s" % items, "w")
1108 # f.write(generate_config(node, config, datadump))
1109 # f.close()
1110 for node in get_hostlist():
1111 datadump = get_yaml(node)
1112 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
1113 ifacedump = datadump[iface_key]
1114 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
1115 ifacedump['nodename'] = datadump['nodename']
1116 if not ifacedump.has_key('channel') or not ifacedump['channel']:
1117 ifacedump['channel'] = 0
1118 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
1119 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
1120 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
1121 elif sys.argv[1] == "full-export":
1122 hosts = {}
1123 for node in get_hostlist():
1124 datadump = get_yaml(node)
1125 hosts[datadump['nodename']] = datadump
1126 print yaml.dump(hosts)
1127
1128 elif sys.argv[1] == "dns":
1129 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns', 'external' in sys.argv)
1130 elif sys.argv[1] == "cleanup":
1131 # First generate all datadumps
1132 datadumps = dict()
1133 for host in get_hostlist():
1134 logger.info("# Processing: %s", host)
1135 datadump = get_yaml(host)
1136 datadumps[datadump['autogen_realname']] = datadump
1137
1138 for host,datadump in datadumps.iteritems():
1139 if datadump['rdnap_x'] and datadump['rdnap_y']:
1140 datadump['latitude'], datadump['longitude'] = rdnap.rd2etrs(datadump['rdnap_x'], datadump['rdnap_y'])
1141 elif datadump['latitude'] and datadump['longitude']:
1142 datadump['rdnap_x'], datadump['rdnap_y'] = rdnap.etrs2rd(datadump['latitude'], datadump['longitude'])
1143
1144 if datadump['nodename'].startswith('Proxy'):
1145 datadump['nodename'] = datadump['nodename'].lower()
1146
1147 for iface_key in datadump['autogen_iface_keys']:
1148 # Wireless Leiden SSID have an consistent lowercase/uppercase
1149 if datadump[iface_key].has_key('ssid'):
1150 ssid = datadump[iface_key]['ssid']
1151 prefix = 'ap-WirelessLeiden-'
1152 if ssid.lower().startswith(prefix.lower()):
1153 datadump[iface_key]['ssid'] = prefix + ssid[len(prefix)].upper() + ssid[len(prefix) + 1:]
1154 if datadump[iface_key].has_key('ns_ip') and not datadump[iface_key].has_key('mode'):
1155 datadump[iface_key]['mode'] = 'autogen-FIXME'
1156 if not datadump[iface_key].has_key('desc'):
1157 datadump[iface_key]['desc'] = 'autogen-FIXME'
1158 store_yaml(datadump)
1159 elif sys.argv[1] == "list":
1160 if sys.argv[2] == "nodes":
1161 systems = get_nodelist()
1162 elif sys.argv[2] == "proxies":
1163 systems = get_proxylist()
1164 elif sys.argv[2] == "all":
1165 systems = get_hostlist()
1166 else:
1167 usage()
1168 for system in systems:
1169 datadump = get_yaml(system)
1170 if datadump['status'] == "up":
1171 print system
1172 elif sys.argv[1] == "create":
1173 if sys.argv[2] == "network.kml":
1174 print make_network_kml.make_graph()
1175 else:
1176 usage()
1177 usage()
1178 else:
1179 # Do not enable debugging for config requests as it highly clutters the output
1180 if not is_text_request():
1181 cgitb.enable()
1182 process_cgi_request()
1183
1184
1185if __name__ == "__main__":
1186 main()
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