#!/usr/bin/env python
#
# vim:ts=2:et:sw=2:ai
# Wireless Leiden configuration generator, based on yaml files'
#
# XXX: This should be rewritten to make use of the ipaddr.py library.
#
# Sample apache configuration (mind the AcceptPathInfo!)
# ScriptAlias /wleiden/config /usr/local/www/genesis/tools/gformat.py
#
# Allow from all
# AcceptPathInfo On
#
#
# Rick van der Zwet
#
# Hack to make the script directory is also threated as a module search path.
import sys
import os
import re
sys.path.append(os.path.dirname(__file__))
import cgi
import cgitb
import copy
import glob
import socket
import string
import subprocess
import time
import rdnap
from pprint import pprint
try:
import yaml
except ImportError, e:
print e
print "[ERROR] Please install the python-yaml or devel/py-yaml package"
exit(1)
try:
from yaml import CLoader as Loader
from yaml import CDumper as Dumper
except ImportError:
from yaml import Loader, Dumper
import logging
logging.basicConfig(format='# %(levelname)s: %(message)s' )
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
if os.environ.has_key('CONFIGROOT'):
NODE_DIR = os.environ['CONFIGROOT']
else:
NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
__version__ = '$Id: gformat.py 10079 2012-03-10 14:12:36Z rick $'
files = [
'authorized_keys',
'dnsmasq.conf',
'rc.conf.local',
'resolv.conf',
'motd',
'wleiden.yaml',
]
# Global variables uses
OK = 10
DOWN = 20
UNKNOWN = 90
def get_proxylist():
"""Get all available proxies proxyX sorting based on X number"""
proxylist = sorted([os.path.basename(x) for x in glob.glob("%s/proxy*" % NODE_DIR)],
key=lambda name: int(''.join([c for c in name if c in string.digits])),
cmp=lambda x,y: x - y)
return proxylist
def valid_addr(addr):
""" Show which address is valid in which are not """
return str(addr).startswith('172.')
def get_nodelist():
""" Get all available nodes - sorted """
nodelist = sorted([os.path.basename(x) for x in glob.glob("%s/CNode*" % NODE_DIR)])
return nodelist
def get_hostlist():
""" Combined hosts and proxy list"""
return get_nodelist() + get_proxylist()
def angle_between_points(lat1,lat2,long1,long2):
"""
Return Angle in radians between two GPS coordinates
See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
"""
dy = lat2 - lat1
dx = math.cos(math.pi/180*lat1)*(long2 - long1)
angle = math.atan2(dy,dx)
return angle
def angle_to_cd(angle):
""" Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
# For easy conversion get positive degree
degrees = math.degrees(angle)
if degrees < 0:
360 - abs(degrees)
# Numbers can be confusing calculate from the 4 main directions
p = 22.5
if degrees < p:
return "n"
elif degrees < (90 - p):
return "no"
elif degrees < (90 + p):
return "o"
elif degrees < (180 - p):
return "zo"
elif degrees < (180 + p):
return "z"
elif degrees < (270 - p):
return "zw"
elif degrees < (270 + p):
return "w"
elif degrees < (360 - p):
return "nw"
else:
return "n"
def generate_title(nodelist):
""" Main overview page """
items = {'root' : "." }
output = """
Wireless leiden Configurator - GFormat
Wireless Leiden Configurator
""" % items
for node in nodelist:
items['node'] = node
output += '| %(node)s | ' % items
for config in files:
items['config'] = config
output += '%(config)s | ' % items
output += "
"
output += """
%s
""" % __version__
return output
def generate_node(node):
""" Print overview of all files available for node """
return "\n".join(files)
def generate_header(ctag="#"):
return """\
%(ctag)s
%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
%(ctag)s Generated at %(date)s by %(host)s
%(ctag)s
""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname() }
def parseaddr(s):
""" Process IPv4 CIDR notation addr to a (binary) number """
f = s.split('.')
return (long(f[0]) << 24L) + \
(long(f[1]) << 16L) + \
(long(f[2]) << 8L) + \
long(f[3])
def showaddr(a):
""" Display IPv4 addr in (dotted) CIDR notation """
return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
def is_member(ip, mask, canidate):
""" Return True if canidate is part of ip/mask block"""
ip_addr = gformat.parseaddr(ip)
ip_canidate = gformat.parseaddr(canidate)
mask = int(mask)
ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
return ip_addr == ip_canidate
def netmask2subnet(netmask):
""" Given a 'netmask' return corresponding CIDR """
return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
def generate_dnsmasq_conf(datadump):
""" Generate configuration file '/usr/local/etc/dnsmasq.conf' """
output = generate_header()
output += """\
# DHCP server options
dhcp-authoritative
dhcp-fqdn
domain=dhcp.%(nodename_lower)s.%(domain)s
domain-needed
expand-hosts
# Low memory footprint
cache-size=10000
\n""" % datadump
for iface_key in datadump['iface_keys']:
if not datadump[iface_key].has_key('comment'):
datadump[iface_key]['comment'] = None
output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
try:
(dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
(ip, netmask) = datadump[iface_key]['ip'].split('/')
datadump[iface_key]['subnet'] = netmask2subnet(netmask)
except (AttributeError, ValueError):
output += "# not autoritive\n\n"
continue
dhcp_part = ".".join(ip.split('.')[0:3])
datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
output += "dhcp-range=%(interface)s,%(dhcp_start)s,%(dhcp_stop)s,%(subnet)s,24h\n\n" % datadump[iface_key]
return output
def generate_rc_conf_local(datadump):
""" Generate configuration file '/etc/rc.conf.local' """
output = generate_header("#");
output += """\
hostname='%(autogen_fqdn)s.%(domain)s'
location='%(location)s'
""" % datadump
# TProxy configuration
output += "\n"
try:
if datadump['tproxy']:
output += """\
tproxy_enable='YES'
tproxy_range='%(tproxy)s'
""" % datadump
except KeyError:
output += "tproxy_enable='NO'\n"
# Extra Proxy configuration
datadump['ileiden_enable'] = 'yes' if datadump['ileiden'] else 'no'
if datadump['nodetype'] == 'Proxy':
output += """
#
# PROXY Configuration
#
sshtun_enable="YES"
sshtun_flags="-R 22%(proxyid)02i:localhost:22"
static_routes="wleiden"
route_wleiden="-net 172.16.0.0/12 %(internalroute)s"
internalif="%(internalif)s"
# PROXY iLeiden Configuration
ileiden_enable="%(ileiden_enable)s"
gateway_enable="%(ileiden_enable)s"
firewall_enable="%(ileiden_enable)s"
firewall_script="/etc/ipfw.sh"
firewall_nat_enable="%(ileiden_enable)s"
""" % datadump
if datadump['nodetype'] == 'CNode' and datadump['ileiden']:
output += """
# NODE iLeiden Configuration
ileiden_enable="%(ileiden_enable)s"
captive_portal_whitelist=""
captive_portal_interfaces="%(autogen_dhcp_interfaces)s"
""" % datadump
# lo0 configuration:
# - 172.32.255.1/32 is the proxy.wleiden.net deflector
# - masterip is special as it needs to be assigned to at
# least one interface, so if not used assign to lo0
addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
iface_map = {'lo0' : 'lo0'}
masterip_used = False
for iface_key in datadump['iface_keys']:
if datadump[iface_key]['ip'].startswith(datadump['masterip']):
masterip_used = True
break
if not masterip_used:
addrs_list['lo0'].append(datadump['masterip'] + "/32")
for iface_key in datadump['iface_keys']:
ifacedump = datadump[iface_key]
interface = ifacedump['interface'].split(':')[0]
# By default no special interface mapping
iface_map[interface] = interface
# Add interface IP to list
item = (ifacedump['ip'], ifacedump['desc'])
if addrs_list.has_key(interface):
addrs_list[interface].append(item)
else:
addrs_list[interface] = [item]
# Alias only needs IP assignment for now, this might change if we
# are going to use virtual accesspoints
if "alias" in iface_key:
continue
# XXX: Might want to deduct type directly from interface name
if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
# Default to station (client) mode
ifacedump['wlanmode'] = "sta"
if ifacedump['mode'] in ['master', 'master-wds']:
ifacedump['wlanmode'] = "ap"
# Default to 802.11b mode
ifacedump['mode'] = '11b'
if ifacedump['type'] in ['11a', '11b' '11g']:
ifacedump['mode'] = ifacedump['type']
if not ifacedump.has_key('channel'):
if ifacedump['type'] == '11a':
ifacedump['channel'] = 36
else:
ifacedump['channel'] = 1
# Allow special hacks at the back like wds and stuff
if not ifacedump.has_key('extra'):
ifacedump['extra'] = 'regdomain ETSI country NL'
output += "wlans_%(interface)s='%(autogen_ifname)s'\n" % ifacedump
output += ("create_args_%(autogen_ifname)s='wlanmode %(wlanmode)s mode " +\
"%(mode)s ssid %(ssid)s %(extra)s channel %(channel)s'\n") % ifacedump
elif ifacedump['type'] in ['ethernet', 'eth']:
# No special config needed besides IP
pass
else:
assert False, "Unknown type " + ifacedump['type']
# Print IP address which needs to be assigned over here
output += "\n"
for iface,addrs in sorted(addrs_list.iteritems()):
for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
ifacedump['iface'] = iface
output += "# %s || %s || %s\n" % (iface, addr, comment)
output += "ipv4_addrs_%s='%s'\n\n" % (iface_map[iface], " ".join([x[0] for x in addrs]))
return output
def get_yaml(item):
""" Get configuration yaml for 'item'"""
gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
f = open(gfile, 'r')
datadump = yaml.load(f,Loader=Loader)
datadump['autogen_iface_keys'] = get_interface_keys(datadump)
wlan_count=0
for key in datadump['autogen_iface_keys']:
if datadump[key]['type'] in ['11a', '11b', '11g', 'wireless']:
datadump[key]['autogen_ifname'] = 'wlan%i' % wlan_count
wlan_count += 1
else:
datadump[key]['autogen_ifname'] = datadump[key]['interface']
dhcp_interfaces = [datadump[key]['autogen_ifname'] for key in datadump['autogen_iface_keys'] if datadump[key]['dhcp'] != 'no']
datadump['autogen_dhcp_interfaces'] = ' '.join(dhcp_interfaces)
datadump['autogen_item'] = item
datadump['autogen_fqdn'] = get_fqdn(datadump)
f.close()
return datadump
def store_yaml(datadump, header=False):
""" Store configuration yaml for 'item'"""
item = datadump['autogen_item']
gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
f = open(gfile, 'w')
f.write(generate_wleiden_yaml(datadump, header))
f.close()
def get_all_configs():
""" Get dict with key 'host' with all configs present """
configs = dict()
for host in get_hostlist():
datadump = get_yaml(host)
configs[host] = datadump
return configs
def get_interface_keys(config):
""" Quick hack to get all interface keys, later stage convert this to a iterator """
return sorted([elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)])
def get_used_ips(configs):
""" Return array of all IPs used in config files"""
ip_list = []
for config in configs:
ip_list.append(config['masterip'])
for iface_key in get_interface_keys(config):
l = config[iface_key]['ip']
addr, mask = l.split('/')
# Special case do not process
if valid_addr(addr):
ip_list.append(addr)
else:
logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
return sorted(ip_list)
def generate_resolv_conf(datadump):
""" Generate configuration file '/etc/resolv.conf' """
output = generate_header("#");
output += """\
search wleiden.net
# Try local (cache) first
nameserver 127.0.0.1
"""
if datadump['nodetype'] == 'Proxy':
output += """\
nameserver 8.8.8.8 # Google Public NameServer
nameserver 8.8.4.4 # Google Public NameServer
"""
else:
output += """\
# Proxies are recursive nameservers
# needs to be in resolv.conf for dnsmasq as well
""" % datadump
for proxy in get_proxylist():
proxy_ip = get_yaml(proxy)['masterip']
output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
return output
def generate_motd(datadump):
""" Generate configuration file '/etc/motd' """
output = """\
FreeBSD 9.0-RELEASE (kernel.wleiden) #0 r230587: Sun Jan 29 17:09:57 CET 2012
WWW: %(autogen_fqdn)s.wleiden.net - http://www.wirelessleiden.nl
Interlinks:
""" % datadump
# XXX: This is a hacky way to get the required data
for line in generate_rc_conf_local(datadump).split('\n'):
if '||' in line and not line[1:].split()[0] in ['lo0', 'ath0'] :
output += " - %s \n" % line[1:]
output += """\
Attached bridges:
"""
for iface_key in datadump['autogen_iface_keys']:
ifacedump = datadump[iface_key]
if ifacedump.has_key('ns_ip'):
output += " - %(interface)s || %(mode)s || %(ns_ip)s\n" % ifacedump
return output
def format_yaml_value(value):
""" Get yaml value in right syntax for outputting """
if isinstance(value,str):
output = '"%s"' % value
else:
output = value
return output
def format_wleiden_yaml(datadump):
""" Special formatting to ensure it is editable"""
output = "# Genesis config yaml style\n"
output += "# vim:ts=2:et:sw=2:ai\n"
output += "#\n"
iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
for key in sorted(set(datadump.keys()) - set(iface_keys)):
output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
output += "\n\n"
key_order = [ 'comment', 'interface', 'ip', 'desc', 'sdesc', 'mode', 'type',
'extra_type', 'channel', 'ssid', 'dhcp' ]
for iface_key in sorted(iface_keys):
output += "%s:\n" % iface_key
for key in key_order + list(sorted(set(datadump[iface_key].keys()) - set(key_order))):
if datadump[iface_key].has_key(key):
output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
output += "\n\n"
return output
def generate_wleiden_yaml(datadump, header=True):
""" Generate (petty) version of wleiden.yaml"""
for key in datadump.keys():
if key.startswith('autogen_'):
del datadump[key]
# Interface autogen cleanups
elif type(datadump[key]) == dict:
for key2 in datadump[key].keys():
if key2.startswith('autogen_'):
del datadump[key][key2]
output = generate_header("#") if header else ''
output += format_wleiden_yaml(datadump)
return output
def generate_yaml(datadump):
return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
def generate_config(node, config, datadump=None):
""" Print configuration file 'config' of 'node' """
output = ""
try:
# Load config file
if datadump == None:
datadump = get_yaml(node)
# Preformat certain needed variables for formatting and push those into special object
datadump_extra = copy.deepcopy(datadump)
if not datadump_extra.has_key('domain'):
datadump_extra['domain'] = 'wleiden.net'
datadump_extra['nodename_lower'] = datadump_extra['nodename'].lower()
datadump_extra['iface_keys'] = sorted([elem for elem in datadump.keys() if elem.startswith('iface_')])
if config == 'wleiden.yaml':
output += generate_wleiden_yaml(datadump)
elif config == 'authorized_keys':
f = open(os.path.join(NODE_DIR,"global_keys"), 'r')
output += f.read()
f.close()
elif config == 'dnsmasq.conf':
output += generate_dnsmasq_conf(datadump_extra)
elif config == 'rc.conf.local':
output += generate_rc_conf_local(datadump_extra)
elif config == 'resolv.conf':
output += generate_resolv_conf(datadump_extra)
elif config == 'motd':
output += generate_motd(datadump_extra)
else:
assert False, "Config not found!"
except IOError, e:
output += "[ERROR] Config file not found"
return output
def process_cgi_request():
""" When calling from CGI """
# Update repository if requested
form = cgi.FieldStorage()
if form.getvalue("action") == "update":
print "Refresh: 5; url=."
print "Content-type:text/plain\r\n\r\n",
print "[INFO] Updating subverion, please wait..."
print subprocess.Popen(['svn', 'up', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
print "[INFO] All done, redirecting in 5 seconds"
sys.exit(0)
uri = os.environ['PATH_INFO'].strip('/').split('/')
output = ""
if not uri[0]:
if is_text_request():
output += "Content-type:text/plain\r\n\r\n"
output += '\n'.join(get_hostlist())
else:
output += "Content-type:text/html\r\n\r\n"
output += generate_title(get_hostlist())
elif len(uri) == 1:
output += "Content-type:text/plain\r\n\r\n"
output += generate_node(uri[0])
elif len(uri) == 2:
output += "Content-type:text/plain\r\n\r\n"
output += generate_config(uri[0], uri[1])
else:
assert False, "Invalid option"
print output
def get_fqdn(datadump):
# Proxy naming convention is special
if datadump['nodetype'] == 'Proxy':
fqdn = datadump['nodename']
else:
# By default the full name is listed and also a shortname CNAME for easy use.
fqdn = datadump['nodetype'] + datadump['nodename']
return(fqdn)
def make_dns(output_dir = 'dns'):
items = dict()
# hostname is key, IP is value
wleiden_zone = dict()
wleiden_cname = dict()
pool = dict()
for node in get_hostlist():
logger.info("Processing host %s", node)
datadump = get_yaml(node)
# Proxy naming convention is special
fqdn = get_fqdn(datadump)
if datadump['nodetype'] == 'CNode':
wleiden_cname[datadump['nodename']] = fqdn
wleiden_zone[fqdn] = datadump['masterip']
# Hacking to get proper DHCP IPs and hostnames
for iface_key in get_interface_keys(datadump):
iface_name = datadump[iface_key]['interface'].replace(':',"-alias-")
(ip, netmask) = datadump[iface_key]['ip'].split('/')
try:
(dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
datadump[iface_key]['subnet'] = netmask2subnet(netmask)
dhcp_part = ".".join(ip.split('.')[0:3])
if ip != datadump['masterip']:
wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)] = ip
for i in range(int(dhcp_start), int(dhcp_stop) + 1):
wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)] = "%s.%s" % (dhcp_part, i)
except (AttributeError, ValueError):
# First push it into a pool, to indentify the counter-part later on
addr = parseaddr(ip)
netmask = int(netmask)
addr = addr & ~((1 << (32 - netmask)) - 1)
if pool.has_key(addr):
pool[addr] += [(iface_name, fqdn, ip)]
else:
pool[addr] = [(iface_name, fqdn, ip)]
continue
def pool_to_name(node, pool_members):
"""Convert the joined name to a usable pool name"""
# Get rid of the own entry
pool_members = list(set(pool_members) - set([fqdn]))
target = oldname = ''
for node in sorted(pool_members):
(name, number) = re.match('^([A-Za-z]+)([0-9]*)$',node).group(1,2)
target += "-" + number if name == oldname else "-" + node if target else node
oldname = name
return target
# WL uses an /29 to configure an interface. IP's are ordered like this:
# MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
sn = lambda x: re.sub(r'(?i)^cnode','',x)
# Automatic naming convention of interlinks namely 2 + remote.lower()
for (key,value) in pool.iteritems():
# Make sure they are sorted from low-ip to high-ip
value = sorted(value, key=lambda x: parseaddr(x[2]))
if len(value) == 1:
(iface_name, fqdn, ip) = value[0]
wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)] = ip
# Device DNS names
if 'cnode' in fqdn.lower():
wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)] = showaddr(parseaddr(ip) + 1)
wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % (iface_name, fqdn)
elif len(value) == 2:
(a_iface_name, a_fqdn, a_ip) = value[0]
(b_iface_name, b_fqdn, b_ip) = value[1]
wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)] = a_ip
wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)] = b_ip
# Device DNS names
if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)] = showaddr(parseaddr(a_ip) + 1)
wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)] = showaddr(parseaddr(b_ip) - 1)
wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
else:
pool_members = [k[1] for k in value]
for item in value:
(iface_name, fqdn, ip) = item
pool_name = "2pool-" + showaddr(key).replace('.','-') + "-" + pool_to_name(fqdn,pool_members)
wleiden_zone["%s.%s" % (pool_name, fqdn)] = ip
# Include static DNS entries
# XXX: Should they override the autogenerated results?
# XXX: Convert input to yaml more useable.
# Format:
##; this is a comment
## roomburgh=CNodeRoomburgh1
## apkerk1.CNodeVosko=172.17.176.8 ;this as well
dns = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
# Hack to allow special entries, for development
wleiden_raw = dns['raw']
del dns['raw']
for comment, block in dns.iteritems():
for k,v in block.iteritems():
if valid_addr(v):
wleiden_zone[k] = v
else:
wleiden_cname[k] = v
details = dict()
# 24 updates a day allowed
details['serial'] = time.strftime('%Y%m%d%H')
dns_header = '''
$TTL 3h
%(zone)s. SOA sunny.wleiden.net. beheer.lijst.wirelessleiden.nl. ( %(serial)s 1d 12h 1w 3h )
; Serial, Refresh, Retry, Expire, Neg. cache TTL
NS sunny.wleiden.net.
\n'''
if not os.path.isdir('dns'):
os.makedirs('dns')
details['zone'] = 'wleiden.net'
f = open(os.path.join(output_dir,"db." + details['zone']), "w")
f.write(dns_header % details)
for host,ip in wleiden_zone.iteritems():
if valid_addr(ip):
f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
for source,dest in wleiden_cname.iteritems():
f.write("%s.wleiden.net. IN CNAME %s.wleiden.net.\n" % (source.lower(), dest.lower()))
for source, dest in wleiden_raw.iteritems():
f.write("%s.wleiden.net. %s\n" % (source, dest))
f.close()
# Create whole bunch of specific sub arpa zones. To keep it compliant
for s in range(16,32):
details['zone'] = '%i.172.in-addr.arpa' % s
f = open(os.path.join(output_dir,"db." + details['zone']), "w")
f.write(dns_header % details)
#XXX: Not effient, fix to proper data structure and do checks at other
# stages
for host,ip in wleiden_zone.iteritems():
if valid_addr(ip):
if int(ip.split('.')[1]) == s:
rev_ip = '.'.join(reversed(ip.split('.')))
f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
f.close()
def usage():
print """Usage: %s
Examples:
\tdns [outputdir] = Generate BIND compliant zone files in dns.
\tstandalone = Run configurator webserver [default port=8000]
\twind-export = Generate SQL import scripts for WIND database
\tfull-export = Generate yaml export script for heatmap.
\tstatic = Generate all config files and store on disk
\t with format ./static/%%NODE%%/%%FILE%%
\ttest CNodeRick dnsmasq.conf = Receive output of CGI script
\t for arguments CNodeRick/dnsmasq.conf
\tlist = List systems which marked up.
"""
exit(0)
def is_text_request():
return os.environ['HTTP_USER_AGENT'].split()[0] in ['curl', 'fetch', 'wget']
def main():
"""Hard working sub"""
# Allow easy hacking using the CLI
if not os.environ.has_key('PATH_INFO'):
if len(sys.argv) < 2:
usage()
if sys.argv[1] == "standalone":
import SocketServer
import CGIHTTPServer
# CGI does not go backward, little hack to get ourself in the right working directory.
os.chdir(os.path.dirname(__file__) + '/..')
try:
PORT = int(sys.argv[2])
except (IndexError,ValueError):
PORT = 8000
class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
""" Serve this CGI from the root of the webserver """
def is_cgi(self):
if "favicon" in self.path:
return False
self.cgi_info = (__file__, self.path)
self.path = ''
return True
handler = MyCGIHTTPRequestHandler
SocketServer.TCPServer.allow_reuse_address = True
httpd = SocketServer.TCPServer(("", PORT), handler)
httpd.server_name = 'localhost'
httpd.server_port = PORT
logger.info("serving at port %s", PORT)
try:
httpd.serve_forever()
except KeyboardInterrupt:
httpd.shutdown()
logger.info("All done goodbye")
elif sys.argv[1] == "test":
os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
os.environ['SCRIPT_NAME'] = __file__
process_cgi_request()
elif sys.argv[1] == "static":
items = dict()
for node in get_hostlist():
items['node'] = node
items['wdir'] = "./static/%(node)s" % items
if not os.path.isdir(items['wdir']):
os.makedirs(items['wdir'])
datadump = get_yaml(node)
for config in files:
items['config'] = config
logger.info("## Generating %(node)s %(config)s" % items)
f = open("%(wdir)s/%(config)s" % items, "w")
f.write(generate_config(node, config, datadump))
f.close()
elif sys.argv[1] == "wind-export":
items = dict()
for node in get_hostlist():
datadump = get_yaml(node)
sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
VALUES (
(SELECT id FROM users WHERE username = 'rvdzwet'),
(SELECT id FROM nodes WHERE name = '%(nodename)s'),
'Y');""" % datadump
#for config in files:
# items['config'] = config
# print "## Generating %(node)s %(config)s" % items
# f = open("%(wdir)s/%(config)s" % items, "w")
# f.write(generate_config(node, config, datadump))
# f.close()
for node in get_hostlist():
datadump = get_yaml(node)
for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
ifacedump = datadump[iface_key]
if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
ifacedump['nodename'] = datadump['nodename']
if not ifacedump.has_key('channel') or not ifacedump['channel']:
ifacedump['channel'] = 0
sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
'%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
elif sys.argv[1] == "full-export":
hosts = {}
for node in get_hostlist():
datadump = get_yaml(node)
hosts[datadump['nodename']] = datadump
print yaml.dump(hosts)
elif sys.argv[1] == "dns":
make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns')
elif sys.argv[1] == "cleanup":
# First generate all datadumps
datadumps = dict()
for host in get_hostlist():
logger.info("# Processing: %s", host)
datadump = get_yaml(host)
datadumps[get_fqdn(datadump)] = datadump
for key,datadump in datadumps.iteritems():
datadump['latitude'], datadump['longitude'] = rdnap.rd2etrs(datadump['rdnap_x'], datadump['rdnap_y'])
store_yaml(datadump)
elif sys.argv[1] == "list":
if sys.argv[2] == "nodes":
systems = get_nodelist()
elif sys.argv[2] == "proxies":
systems = get_proxylist()
else:
usage()
for system in systems:
datadump = get_yaml(system)
if datadump['status'] == "up":
print system
else:
usage()
else:
# Do not enable debugging for config requests as it highly clutters the output
if not is_text_request():
cgitb.enable()
process_cgi_request()
if __name__ == "__main__":
main()