class NetworkInterface(netutils.NetworkInterface):
''' Represents a network interface. '''
def __init__(self, interface_name):
netutils.NetworkInterface.__init__(self, interface_name)
self.dhcp_manager = DhcpManager(interface_name)
def do_ip_address(self, profile):
if profile.get('use_static_ip', False):
logging.debug('do static ip')
ip_addresses = ['static_ip', 'static_netmask', 'static_dns_1']
optional = ['static_gateway']
misc.validate_ips(profile, ['static_ip', 'static_netmask'])
misc.validate_ips(profile, ['static_gateway'], optional=True)
self.set_ip(profile['static_ip'])
self.set_netmask(profile['static_netmask'])
if 'static_gateway' in profile and profile['static_gateway']:
self.set_gateway(profile['static_gateway'])
else:
logging.debug('using dhcp')
tmp_profile = dict(profile)
if profile.get('use_static_dns', False):
tmp_profile['dhcp_get_domain-name-servers'] = False
self.dhcp_manager.start(tmp_profile)
if profile.get('use_static_dns', False):
static_dns = dict( [ (key, value)
for key, value in profile
if key.startswith('static_dns_') ] )
static_dns = [ ip[1] for ip in static_dns ]
names = [ key
for key, value in profile
if key.startswith('static_dns_')]
names.sort()
misc.validate_ips(profile, names, optional=True)
static_dns = [ profile.get(name) for name in names ]
self.set_dns(static_dns)
if profile.get('use_static_ip', False):
return True
else:
return self.dhcp_manager.status()
def disconnect(self):
self.reset()
def reset(self):
self.dhcp_manager.stop()
self.set_ip('0.0.0.0')
self.down()
class NetworkInterface(netutils.NetworkInterface):
""" Represents a network interface. """
def __init__(self, interface_name):
netutils.NetworkInterface.__init__(self, interface_name)
self.dhcp_manager = DhcpManager(interface_name)
def do_ip_address(self, profile):
if "use_static_ip" in profile and profile["use_static_ip"]:
logging.debug("do static ip")
ip_addresses = ["static_ip", "static_netmask", "static_dns_1"]
optional = ["static_gateway", "static_dns_2", "static_dns_3"]
for field in ip_addresses + optional:
if not field in profile:
raise misc.WicdError("Missing required profile item %s" % field)
for field in ip_addresses:
if not misc.is_valid_ip(profile[field]):
raise misc.WicdError("Invalid IP address: %s" % network.profile[field])
for field in optional:
if not profile[field] is None:
if not misc.is_valid_ip(profile[field]):
raise misc.WicdError("Invalid IP address: %s" % profile[field])
self.set_ip(profile["static_ip"])
self.set_netmask(profile["static_netmask"])
if profile["static_gateway"]:
self.set_gateway(profile["static_gateway"])
return True
else:
logging.debug("using dhcp")
self.dhcp_manager.start(profile)
return self.dhcp_manager.status()
def disconnect(self):
self.reset()
def reset(self):
self.dhcp_manager.stop()
self.set_ip("0.0.0.0")
self.down()
class NetworkInterface(netutils.NetworkInterface):
''' Represents a network interface. '''
def __init__(self, interface_name):
netutils.NetworkInterface.__init__(self, interface_name)
self.dhcp_manager = DhcpManager(interface_name)
def do_ip_address(self, profile):
if 'use_static_ip' in profile \
and profile['use_static_ip']:
log('do static ip')
ip_addresses = ['static_ip', 'static_netmask', 'static_dns_1']
optional = ['static_gateway', 'static_dns_2', 'static_dns_3']
for field in ip_addresses + optional:
if not field in profile:
raise misc.WicdError('Missing required profile item %s' %
field)
for field in ip_addresses:
if not misc.is_valid_ip(profile[field]):
raise misc.WicdError('Invalid IP address: %s'
% network.profile[field])
for field in optional:
if not profile[field] is None:
if not misc.is_valid_ip(profile[field]):
raise misc.WicdError('Invalid IP address: %s'
% profile[field])
self.set_ip(profile['static_ip'])
self.set_netmask(profile['static_netmask'])
if profile['static_gateway']:
self.set_gateway(profile['static_gateway'])
return True
else:
log('using dhcp')
self.dhcp_manager.start()
return self.dhcp_manager.status()
def reset(self):
self.set_ip('0.0.0.0')
self.down()
def __init__(self, interface_name):
netutils.NetworkInterface.__init__(self, interface_name)
self.dhcp_manager = DhcpManager(interface_name)
def __init__(self, interface_name):
self.interface_name = interface_name
self.current_network = None
self.dhcp_manager = DhcpManager(interface_name)
class WirelessInterface:
""" Represents a hardware wireless interface. """
def __init__(self, interface_name):
self.interface_name = interface_name
self.current_network = None
self.dhcp_manager = DhcpManager(interface_name)
def up(self):
""" Put the interface up. """
cmd = [misc.find_program_in_path("ifconfig"), self.interface_name, "up"]
misc.run(cmd)
def down(self):
""" Put the interface down. """
cmd = [misc.find_program_in_path("ifconfig"), self.interface_name, "down"]
misc.run(cmd)
def do_ip_address(self, network):
if "use_static_ip" in network.profile and network.profile["use_static_ip"]:
print "do static ip"
ip_addresses = ["static_ip", "static_netmask", "static_dns_1"]
optional = ["static_gateway", "static_dns_2", "static_dns_3"]
for field in ip_addresses + optional:
if not field in network.profile:
raise misc.WicdError("Missing required profile item %s" % field)
for field in ip_addresses:
if not misc.is_valid_ip(network.profile[field]):
raise misc.WicdError("Invalid IP address: %s" % network.profile[field])
for field in optional:
if not network.profile[field] is None:
if not misc.is_valid_ip(network.profile[field]):
raise misc.WicdError("Invalid IP address: %s" % network.profile[field])
self.set_ip(network.profile["static_ip"])
self.set_netmask(network.profile["static_netmask"])
if network.profile["static_gateway"]:
self.set_gateway(network.profile["static_gateway"])
return True
else:
print "using dhcp"
self.dhcp_manager.start()
return self.dhcp_manager.status()
def reset(self):
self.set_ip("0.0.0.0")
self.down()
def scan(self):
""" Scan for new networks. """
self.current_network = None
self.networks = self._do_scan()
return self.networks
def _do_scan(self):
self.up()
cmd = [misc.find_program_in_path("iwlist"), self.interface_name, "scan"]
results = misc.run(cmd)
networks = results.split(" Cell ")
access_points = []
for cell in networks:
if "ESSID:" in cell:
entry = self._parse_access_point(cell)
if entry is not None:
access_points.append(entry)
return access_points
def _parse_access_point(self, cell):
""" Parse a single cell from the output of iwlist.
Keyword arguments:
cell -- string containing the cell information
Returns:
A dictionary containing the cell networks properties.
"""
ap = WirelessNetwork()
ap.essid = misc.RunRegex(WirelessRegexPatterns.essid, cell)
try:
ap.essid = misc.to_unicode(ap.essid)
except (UnicodeDecodeError, UnicodeEncodeError):
print "Unicode problem with current network essid, ignoring!!"
return None
if ap.essid in ["<hidden>", ""]:
ap.essid = "Hidden"
ap.hidden = True
else:
ap.hidden = False
ap.channel = misc.RunRegex(WirelessRegexPatterns.channel, cell)
if ap.channel == None:
freq = misc.RunRegex(WirelessRegexPatterns.freq, cell)
ap.channel = self._freq_to_channel(freq)
ap.bssid = misc.RunRegex(WirelessRegexPatterns.ap_mac, cell)
ap.mode = misc.RunRegex(WirelessRegexPatterns.mode, cell)
if WirelessRegexPatterns.strength.match(cell):
[(strength, max_strength)] = WirelessRegexPatterns.strength.findall(cell)
if max_strength:
ap.quality = 100 * int(strength) // int(max_strength)
else:
ap.quality = int(strength)
elif misc.RunRegex(WirelessRegexPatterns.altstrength, cell):
ap.quality = misc.RunRegex(WirelessRegexPatterns.altstrength, cell)
else:
ap.quality = -1
if misc.RunRegex(WirelessRegexPatterns.signaldbm, cell):
ap.strength = misc.RunRegex(WirelessRegexPatterns.signaldbm, cell)
return ap
def _freq_to_channel(self, freq):
""" Translate the specified frequency to a channel.
Note: This function is simply a lookup dict and therefore the
freq argument must be in the dict to provide a valid channel.
Keyword arguments:
freq -- string containing the specified frequency
Returns:
The channel number, or None if not found.
"""
ret = None
freq_dict = {
"2.412 GHz": 1,
"2.417 GHz": 2,
"2.422 GHz": 3,
"2.427 GHz": 4,
"2.432 GHz": 5,
"2.437 GHz": 6,
"2.442 GHz": 7,
"2.447 GHz": 8,
"2.452 GHz": 9,
"2.457 GHz": 10,
"2.462 GHz": 11,
"2.467 GHz": 12,
"2.472 GHz": 13,
"2.484 GHz": 14,
}
try:
ret = freq_dict[freq]
except KeyError:
print "Couldn't determine channel number for frequency: " + str(freq)
return ret
def get_ip(self):
""" Get the IP address of the interface.
Returns:
The IP address of the interface in dotted quad form.
"""
cmd = "ifconfig %s" + self.interface_name
output = misc.Run(cmd)
return misc.RunRegex(WirelessRegexPatterns.ip, output)
def set_ip(self, new_ip):
""" Sets the IP of the current network interface. """
cmd = "%s %s %s" % (misc.find_program_in_path("ifconfig"), self.interface_name, new_ip)
misc.run(cmd)
def set_netmask(self, new_ip):
""" Sets the netmask of the current network interface. """
cmd = "%s %s netmask %s" % (misc.find_program_in_path("ifconfig"), self.interface_name, new_ip)
misc.run(cmd)
def set_gateway(self, new_ip):
""" Sets the netmask of the current network interface. """
cmd = "%s add default gateway %s %s" % (misc.find_program_in_path("route"), new_ip, self.interface_name)
misc.run(cmd)
def do_dhcp(self):
pass
def connect(self, finished_callback):
""" Connects to the network in self.current_network. """
raise NotImplementedError("connect is not implemented in this class.")
def cancel_connection_attempt(self):
raise NotImplementedError("cancel_connection_attempt is not implemented in this class.")
