def set_ip(self):
# If we've made it this far, the user's decided to (re)configure a
# network interface. Full steam ahead, damn the torpedoes!
# First, take the wireless NIC offline so its mode can be changed.
command = ['/sbin/ifconfig', self.mesh_interface, 'down']
output = subprocess.Popen(command)
time.sleep(5)
# Wrap this whole process in a loop to ensure that stubborn wireless
# interfaces are configured reliably. The wireless NIC has to make it
# all the way through one iteration of the loop without errors before
# we can go on.
while True:
# Set the mode, ESSID and channel.
command = ['/sbin/iwconfig', self.mesh_interface, 'mode ad-hoc']
output = subprocess.Popen(command)
command = ['/sbin/iwconfig', self.mesh_interface, 'essid', self.essid]
output = subprocess.Popen(command)
command = ['/sbin/iwconfig', self.mesh_interface, 'channel', self.channel]
output = subprocess.Popen(command)
# Run iwconfig again and capture the current wireless configuration.
command = ['/sbin/iwconfig', self.mesh_interface]
output = subprocess.Popen(command).stdout
configuration = output.readlines()
# Test the interface by going through the captured text to see if
# it's in ad-hoc mode. If it's not, put it in ad-hoc mode and go
# back to the top of the loop to try again.
for line in configuration:
if 'Mode' in line:
line = line.strip()
mode = line.split(' ')[0].split(':')[1]
if mode != 'Ad-Hoc':
continue
# Test the ESSID to see if it's been set properly.
for line in configuration:
if 'ESSID' in line:
line = line.strip()
essid = line.split(' ')[-1].split(':')[1]
if essid != self.essid:
continue
# Check the wireless channel to see if it's been set properly.
for line in configuration:
if 'Frequency' in line:
line = line.strip()
frequency = line.split(' ')[2].split(':')[1]
if frequency != self.frequency:
continue
# "Victory is mine!"
# --Stewie, _Family Guy_
break
# Call ifconfig and set up the network configuration information.
command = ['/sbin/ifconfig', self.mesh_interface, self.mesh_ip,
'netmask', self.mesh_netmask, 'up']
output = subprocess.Popen(command)
time.sleep(5)
# Add the client interface.
command = ['/sbin/ifconfig', self.client_interface, self.client_ip, 'up']
output = subprocess.Popen(command)
template = ('yes', self.channel, self.essid, self.mesh_interface, self.client_interface, self.mesh_interface)
_utils.set_wireless_db_entry(self.netconfdb, template)
# Send this information to the methods that write the /etc/hosts and
# dnsmasq config files.
networkconfiguration.make_hosts(self.hosts_file, self.test, starting_ip=self.client_ip)
networkconfiguration.configure_dnsmasq(self.dnsmasq_include_file, self.test, starting_ip=self.client_ip)
# Render and display the page.
try:
page = self.templatelookup.get_template("/network/done.html")
return page.render(title = "Network interface configured.",
purpose_of_page = "Configured!",
interface = self.mesh_interface,
ip_address = self.mesh_ip,
netmask = self.mesh_netmask,
client_ip = self.client_ip,
client_netmask = self.client_netmask)
except:
_utils.output_error_data()
def set_ip(self):
# If we've made it this far, the user's decided to (re)configure a
# network interface. Full steam ahead, damn the torpedoes!
# First, take the wireless NIC offline so its mode can be changed.
command = ['/sbin/ifconfig', self.mesh_interface, 'down']
output = subprocess.Popen(command)
time.sleep(5)
# Wrap this whole process in a loop to ensure that stubborn wireless
# interfaces are configured reliably. The wireless NIC has to make it
# all the way through one iteration of the loop without errors before
# we can go on.
while True:
# Set the mode, ESSID and channel.
command = ['/sbin/iwconfig', self.mesh_interface, 'mode ad-hoc']
output = subprocess.Popen(command)
command = [
'/sbin/iwconfig', self.mesh_interface, 'essid', self.essid
]
output = subprocess.Popen(command)
command = [
'/sbin/iwconfig', self.mesh_interface, 'channel', self.channel
]
output = subprocess.Popen(command)
# Run iwconfig again and capture the current wireless configuration.
command = ['/sbin/iwconfig', self.mesh_interface]
output = subprocess.Popen(command).stdout
configuration = output.readlines()
# Test the interface by going through the captured text to see if
# it's in ad-hoc mode. If it's not, put it in ad-hoc mode and go
# back to the top of the loop to try again.
for line in configuration:
if 'Mode' in line:
line = line.strip()
mode = line.split(' ')[0].split(':')[1]
if mode != 'Ad-Hoc':
continue
# Test the ESSID to see if it's been set properly.
for line in configuration:
if 'ESSID' in line:
line = line.strip()
essid = line.split(' ')[-1].split(':')[1]
if essid != self.essid:
continue
# Check the wireless channel to see if it's been set properly.
for line in configuration:
if 'Frequency' in line:
line = line.strip()
frequency = line.split(' ')[2].split(':')[1]
if frequency != self.frequency:
continue
# "Victory is mine!"
# --Stewie, _Family Guy_
break
# Call ifconfig and set up the network configuration information.
command = [
'/sbin/ifconfig', self.mesh_interface, self.mesh_ip, 'netmask',
self.mesh_netmask, 'up'
]
output = subprocess.Popen(command)
time.sleep(5)
# Add the client interface.
command = [
'/sbin/ifconfig', self.client_interface, self.client_ip, 'up'
]
output = subprocess.Popen(command)
template = ('yes', self.channel, self.essid, self.mesh_interface,
self.client_interface, self.mesh_interface)
_utils.set_wireless_db_entry(self.netconfdb, template)
# Send this information to the methods that write the /etc/hosts and
# dnsmasq config files.
networkconfiguration.make_hosts(self.hosts_file,
self.test,
starting_ip=self.client_ip)
networkconfiguration.configure_dnsmasq(self.dnsmasq_include_file,
self.test,
starting_ip=self.client_ip)
# Render and display the page.
try:
page = self.templatelookup.get_template("/network/done.html")
return page.render(title="Network interface configured.",
purpose_of_page="Configured!",
interface=self.mesh_interface,
ip_address=self.mesh_ip,
netmask=self.mesh_netmask,
client_ip=self.client_ip,
client_netmask=self.client_netmask)
except:
_utils.output_error_data()
def set_ip(self):
logging.debug("Entered NetworkConfiguration.set_ip().")
# Set up the error catcher variable.
error = []
# Define the PID of the captive portal daemon in the topmost context
# of this method.
portal_pid = 0
# If we've made it this far, the user's decided to (re)configure a
# network interface. Full steam ahead, damn the torpedoes!
# First, take the wireless NIC offline so its mode can be changed.
self.update_mesh_interface_status('down')
time.sleep(5)
# Wrap this whole process in a loop to ensure that stubborn wireless
# interfaces are configured reliably. The wireless NIC has to make it
# all the way through one iteration of the loop without errors before
# we can go on.
while True:
logging.debug("At top of wireless configuration loop.")
chunks = {
"mode": ("mode", "ad-hoc"),
"ESSID": ("essid", self.essid),
"BSSID": ("ap", self.bssid),
"channel": ("channel", self.channel)
}
for k, v in chunks.iteritems():
logging.debug("Configuring wireless interface: %s = %s", k, v)
command = ['/sbin/iwconfig', self.mesh_interface]
command.extend(v)
if self.test:
logging.debug(
"NetworkConfiguration.set_ip() command to set the %s: %s",
k, ' '.join(command))
else:
subprocess.Popen(command)
time.sleep(1)
# Run iwconfig again and capture the current wireless configuration.
command = ['/sbin/iwconfig', self.mesh_interface]
configuration = ''
if self.test:
logging.debug(
"NetworkConfiguration.set_ip()command to capture the current state of a network interface: %s",
command)
else:
output = subprocess.Popen(command,
stdout=subprocess.PIPE).stdout
configuration = output.readlines()
break_flag = False
# Test the interface by going through the captured text to see if
# it's in ad-hoc mode. If it's not, go back to the top of the
# loop to try again.
for line in configuration:
if re.search("Mode|ESSID|Cell|Frequency", line):
line = line.split(' ')
else:
continue
if 'Mode' in line:
mode = line[0].split(':')[1]
if mode != 'Ad-Hoc':
logging.debug(
"Uh-oh! Not in ad-hoc mode! Starting over.")
break_flag = True
break
# Test the ESSID to see if it's been set properly.
if 'ESSID' in line:
essid = line[-1].split(':')[1]
if essid != self.essid:
logging.debug(
"Uh-oh! ESSID wasn't set! Starting over.")
break_flag = True
break
# Test the BSSID to see if it's been set properly.
if 'Cell' in line:
bssid = line[-1]
if bssid != self.bssid:
logging.debug(
"Uh-oh! BSSID wasn't set! Starting over.")
break_flag = True
break
# Check the wireless channel to see if it's been set properly.
if 'Frequency' in line:
frequency = line[2].split(':')[1]
if frequency != self.frequency:
logging.debug(
"Uh-oh! Wireless channel wasn't set! starting over."
)
break_flag = True
break
logging.debug("Hit bottom of the wireless configuration loop.")
# For the purpose of testing, exit after one iteration so we don't
# get stuck in an infinite loop.
if self.test:
break
# "Victory is mine!"
# --Stewie, _Family Guy_
if not (break_flag):
break
logging.debug("Wireless interface configured successfully.")
# Call ifconfig and set up the network configuration information.
logging.debug(
"Setting IP configuration information on wireless interface.")
command = [
'/sbin/ifconfig', self.mesh_interface, self.mesh_ip, 'netmask',
self.mesh_netmask, 'up'
]
if self.test:
logging.debug(
"NetworkConfiguration.set_ip()command to set the IP configuration of the mesh interface: %s",
command)
else:
subprocess.Popen(command)
time.sleep(5)
# Add the client interface.
logging.debug("Adding client interface.")
command = [
'/sbin/ifconfig', self.client_interface, self.client_ip, 'up'
]
if self.test:
logging.debug(
"NetworkConfiguration.set_ip()command to set the IP configuration of the client interface: %s",
command)
else:
subprocess.Popen(command)
template = ('yes', self.channel, self.essid, self.mesh_interface,
self.client_interface, self.mesh_interface)
_utils.set_wireless_db_entry(self.netconfdb, template)
# Start the captive portal daemon. This will also initialize the IP
# tables ruleset for the client interface.
logging.debug("Starting captive portal daemon.")
captive_portal_daemon = [
'/usr/local/sbin/captive_portal.py', '-i',
str(self.mesh_interface), '-a', self.client_ip, '-d'
]
captive_portal_return = 0
if self.test:
logging.debug(
"NetworkConfiguration.set_ip() command to start the captive portal daemon: %s",
captive_portal_daemon)
captive_portal_return = 6
else:
captive_portal_return = subprocess.Popen(captive_portal_daemon)
logging.debug(
"Sleeping for 5 seconds to see if a race condition is the reason we can't get the PID of the captive portal daemon."
)
time.sleep(5)
# Now do some error checking.
warnings = "<p>WARNING! captive_portal.py exited with code %d - %s!</p>\n"
if captive_portal_return == 1:
error.append(
warnings %
(captive_portal_return,
"insufficient command line arguments passed to daemon"))
elif captive_portal_return == 2:
error.append(
warnings %
(captive_portal_return, "bad arguments passed to daemon"))
elif captive_portal_return == 3:
error.append(
warnings %
(captive_portal_return,
"bad IP tables commands during firewall initialization"))
elif captive_portal_return == 4:
error.append(
warnings %
(captive_portal_return, "bad parameters passed to IP tables"))
elif captive_portal_return == 5:
error.append(
warnings %
(captive_portal_return, "daemon already running on interface"))
elif captive_portal_return == 6:
error.append(
"<p>NOTICE: captive_portal.py started in TEST mode - did not actually start up!</p>\n"
)
else:
logging.debug("Getting PID of captive portal daemon.")
# If the captive portal daemon started successfully, get its PID.
# Note that we have to take into account both regular and test mode.
captive_portal_pidfile = 'captive_portal.' + self.mesh_interface
if os.path.exists('/var/run/' + captive_portal_pidfile):
captive_portal_pidfile = '/var/run/' + captive_portal_pidfile
elif os.path.exists('/tmp/' + captive_portal_pidfile):
captive_portal_pidfile = '/tmp/' + captive_portal_pidfile
else:
error.append(
"<p>WARNING: Unable to open captive portal PID file " +
captive_portal_pidfile + "</p>\n")
logging.debug(
"Unable to find PID file %s of captive portal daemon.",
captive_portal_pidfile)
# Try to open the PID file.
logging.debug("Trying to open %s.", captive_portal_pidfile)
portal_pid = 0
try:
pidfile = open(str(captive_portal_pidfile), 'r')
portal_pid = pidfile.readline()
pidfile.close()
except:
error.append(
"<p>WARNING: Unable to open captive portal PID file " +
captive_portal_pidfile + "</p>\n")
logging.debug("value of portal_pid is %s.", portal_pid)
if self.test:
logging.debug("Faking PID of captive_portal.py.")
portal_pid = "Insert clever PID for captive_portal.py here."
if not portal_pid:
portal_pid = "ERROR: captive_portal.py failed, returned code " + str(
captive_portal_return) + "."
logging.debug(
"Captive portal daemon failed to start. Exited with code %s.",
str(captive_portal_return))
# Send this information to the methods that write the /etc/hosts and
# dnsmasq config files.
logging.debug("Generating dnsmasq configuration files.")
problem = make_hosts(self.hosts_file,
self.test,
starting_ip=self.client_ip)
if problem:
error.append(
"<p>WARNING! /etc/hosts.mesh not generated! Something went wrong!</p>"
)
logging.debug("Couldn't generate /etc/hosts.mesh!")
configure_dnsmasq(self.dnsmasq_include_file,
self.test,
starting_ip=self.client_ip)
# Render and display the page.
try:
page = self.templatelookup.get_template("/network/done.html")
return page.render(title="Network interface configured.",
purpose_of_page="Configured!",
error=''.join(error),
interface=self.mesh_interface,
ip_address=self.mesh_ip,
netmask=self.mesh_netmask,
portal_pid=portal_pid,
client_ip=self.client_ip,
client_netmask=self.client_netmask)
except:
_utils.output_error_data()
def set_ip(self):
logging.debug("Entered NetworkConfiguration.set_ip().")
# Set up the error catcher variable.
error = []
# Define the PID of the captive portal daemon in the topmost context
# of this method.
portal_pid = 0
# If we've made it this far, the user's decided to (re)configure a
# network interface. Full steam ahead, damn the torpedoes!
# First, take the wireless NIC offline so its mode can be changed.
self.update_mesh_interface_status('down')
time.sleep(5)
# Wrap this whole process in a loop to ensure that stubborn wireless
# interfaces are configured reliably. The wireless NIC has to make it
# all the way through one iteration of the loop without errors before
# we can go on.
while True:
logging.debug("At top of wireless configuration loop.")
chunks = {"mode": ("mode", "ad-hoc"),
"ESSID": ("essid", self.essid),
"BSSID": ("ap", self.bssid),
"channel": ("channel", self.channel)}
for k, v in chunks.iteritems():
logging.debug("Configuring wireless interface: %s = %s", k, v)
command = ['/sbin/iwconfig', self.mesh_interface]
command.extend(v)
if self.test:
logging.debug("NetworkConfiguration.set_ip() command to set the %s: %s", k, ' '.join(command))
else:
subprocess.Popen(command)
time.sleep(1)
# Run iwconfig again and capture the current wireless configuration.
command = ['/sbin/iwconfig', self.mesh_interface]
configuration = ''
if self.test:
logging.debug("NetworkConfiguration.set_ip()command to capture the current state of a network interface: %s", command)
else:
output = subprocess.Popen(command, stdout=subprocess.PIPE).stdout
configuration = output.readlines()
break_flag = False
# Test the interface by going through the captured text to see if
# it's in ad-hoc mode. If it's not, go back to the top of the
# loop to try again.
for line in configuration:
if re.search("Mode|ESSID|Cell|Frequency", line):
line = line.split(' ')
else:
continue
if 'Mode' in line:
mode = line[0].split(':')[1]
if mode != 'Ad-Hoc':
logging.debug("Uh-oh! Not in ad-hoc mode! Starting over.")
break_flag = True
break
# Test the ESSID to see if it's been set properly.
if 'ESSID' in line:
essid = line[-1].split(':')[1]
if essid != self.essid:
logging.debug("Uh-oh! ESSID wasn't set! Starting over.")
break_flag = True
break
# Test the BSSID to see if it's been set properly.
if 'Cell' in line:
bssid = line[-1]
if bssid != self.bssid:
logging.debug("Uh-oh! BSSID wasn't set! Starting over.")
break_flag = True
break
# Check the wireless channel to see if it's been set properly.
if 'Frequency' in line:
frequency = line[2].split(':')[1]
if frequency != self.frequency:
logging.debug("Uh-oh! Wireless channel wasn't set! starting over.")
break_flag = True
break
logging.debug("Hit bottom of the wireless configuration loop.")
# For the purpose of testing, exit after one iteration so we don't
# get stuck in an infinite loop.
if self.test:
break
# "Victory is mine!"
# --Stewie, _Family Guy_
if not(break_flag):
break
logging.debug("Wireless interface configured successfully.")
# Call ifconfig and set up the network configuration information.
logging.debug("Setting IP configuration information on wireless interface.")
command = ['/sbin/ifconfig', self.mesh_interface, self.mesh_ip,
'netmask', self.mesh_netmask, 'up']
if self.test:
logging.debug("NetworkConfiguration.set_ip()command to set the IP configuration of the mesh interface: %s", command)
else:
subprocess.Popen(command)
time.sleep(5)
# Add the client interface.
logging.debug("Adding client interface.")
command = ['/sbin/ifconfig', self.client_interface, self.client_ip, 'up']
if self.test:
logging.debug("NetworkConfiguration.set_ip()command to set the IP configuration of the client interface: %s", command)
else:
subprocess.Popen(command)
template = ('yes', self.channel, self.essid, self.mesh_interface, self.client_interface, self.mesh_interface)
_utils.set_wireless_db_entry(self.netconfdb, template)
# Start the captive portal daemon. This will also initialize the IP
# tables ruleset for the client interface.
logging.debug("Starting captive portal daemon.")
captive_portal_daemon = ['/usr/local/sbin/captive_portal.py', '-i',
str(self.mesh_interface), '-a', self.client_ip,
'-d' ]
captive_portal_return = 0
if self.test:
logging.debug("NetworkConfiguration.set_ip() command to start the captive portal daemon: %s", captive_portal_daemon)
captive_portal_return = 6
else:
captive_portal_return = subprocess.Popen(captive_portal_daemon)
logging.debug("Sleeping for 5 seconds to see if a race condition is the reason we can't get the PID of the captive portal daemon.")
time.sleep(5)
# Now do some error checking.
warnings = "<p>WARNING! captive_portal.py exited with code %d - %s!</p>\n"
if captive_portal_return == 1:
error.append(warnings % (captive_portal_return, "insufficient command line arguments passed to daemon"))
elif captive_portal_return == 2:
error.append(warnings % (captive_portal_return, "bad arguments passed to daemon"))
elif captive_portal_return == 3:
error.append(warnings % (captive_portal_return, "bad IP tables commands during firewall initialization"))
elif captive_portal_return == 4:
error.append(warnings % (captive_portal_return, "bad parameters passed to IP tables"))
elif captive_portal_return == 5:
error.append(warnings % (captive_portal_return, "daemon already running on interface"))
elif captive_portal_return == 6:
error.append("<p>NOTICE: captive_portal.py started in TEST mode - did not actually start up!</p>\n")
else:
logging.debug("Getting PID of captive portal daemon.")
# If the captive portal daemon started successfully, get its PID.
# Note that we have to take into account both regular and test mode.
captive_portal_pidfile = 'captive_portal.' + self.mesh_interface
if os.path.exists('/var/run/' + captive_portal_pidfile):
captive_portal_pidfile = '/var/run/' + captive_portal_pidfile
elif os.path.exists('/tmp/' + captive_portal_pidfile):
captive_portal_pidfile = '/tmp/' + captive_portal_pidfile
else:
error.append("<p>WARNING: Unable to open captive portal PID file " + captive_portal_pidfile + "</p>\n")
logging.debug("Unable to find PID file %s of captive portal daemon.", captive_portal_pidfile)
# Try to open the PID file.
logging.debug("Trying to open %s.", captive_portal_pidfile)
portal_pid = 0
try:
pidfile = open(str(captive_portal_pidfile), 'r')
portal_pid = pidfile.readline()
pidfile.close()
except:
error.append("<p>WARNING: Unable to open captive portal PID file " + captive_portal_pidfile + "</p>\n")
logging.debug("value of portal_pid is %s.", portal_pid)
if self.test:
logging.debug("Faking PID of captive_portal.py.")
portal_pid = "Insert clever PID for captive_portal.py here."
if not portal_pid:
portal_pid = "ERROR: captive_portal.py failed, returned code " + str(captive_portal_return) + "."
logging.debug("Captive portal daemon failed to start. Exited with code %s.", str(captive_portal_return))
# Send this information to the methods that write the /etc/hosts and
# dnsmasq config files.
logging.debug("Generating dnsmasq configuration files.")
problem = make_hosts(self.hosts_file, self.test, starting_ip=self.client_ip)
if problem:
error.append("<p>WARNING! /etc/hosts.mesh not generated! Something went wrong!</p>")
logging.debug("Couldn't generate /etc/hosts.mesh!")
configure_dnsmasq(self.dnsmasq_include_file, self.test, starting_ip=self.client_ip)
# Render and display the page.
try:
page = self.templatelookup.get_template("/network/done.html")
return page.render(title = "Network interface configured.",
purpose_of_page = "Configured!",
error = ''.join(error), interface = self.mesh_interface,
ip_address = self.mesh_ip,
netmask = self.mesh_netmask,
portal_pid = portal_pid,
client_ip = self.client_ip,
client_netmask = self.client_netmask)
except:
_utils.output_error_data()
