def ifdown(self, reset=False):
logger.info('Bringing down interface %s', self.name)
ret = True
try:
sh.ifdown(self.name)
except:
logger.warning('Error Bringing down interface %s', self.name)
ret = False
if reset:
logger.warning('Resetting interface %s', self.name)
for i in ['0.0.0.0/0', 'down']:
try:
sh.ifconfig(self.name, i)
except:
pass
return ret
def configure_ethernet_device(device):
form = EthernetConfigureForm()
device_map = None
if os.access(NETWORK_FILE, os.W_OK):
device_map = _parse_network_file()
else:
flash(NETWORK_FILE + ' is not writable!', 'error')
return redirect(url_for('settings.host'))
properties = _get_ethernet_properties(device, device_map)
addresses = netifaces.ifaddresses(device)
ipv4 = addresses[netifaces.AF_INET]
#first address and gateway
ip_address = ipv4[0]['addr']
subnet_mask = ipv4[0]['netmask']
gateways = netifaces.gateways()
gateway = gateways['default'][netifaces.AF_INET]
default_gateway = gateway[0]
if not form.is_submitted():
form.ip_address.data = ip_address
form.gateway.data = default_gateway
form.netmask.data = subnet_mask
if not properties:
if device == 'lo' or device == 'lo0':
flash('Unable to configure loopback device!', 'error')
return redirect(url_for('settings.host'))
flash(
'Device ' + device + ' not found in ' + NETWORK_FILE +
' you should use your OS tools to configure your network.',
'error')
return redirect(url_for('settings.host'))
else:
for s in properties:
if 'loopback' in s:
flash('Unable to configure loopback device!', 'error')
return redirect(url_for('settings.host'))
if 'static' in s:
form.connection_type.data = 'static'
if 'dhcp' in s:
form.connection_type.data = 'dhcp'
if form.validate_on_submit():
if form.connection_type.data == 'static':
i = 0
interface_index = 0
#find our iface definition string for "device"
for i in range(0, len(properties)):
if properties[i].find("dhcp") != -1 and properties[i].find(
device) != -1:
interface_index = device_map.index(properties[i])
x = properties[i].replace('dhcp', 'static')
#replace dhcp with static, remove original add copy
del properties[i]
#delete our interface from the map, add it to new properties list for re-adding to map later
del device_map[interface_index]
properties.append(x)
break
else:
if properties[i].find("static") != -1 and properties[
i].find(device) != -1:
interface_index = device_map.index(properties[i])
truncated = properties[i].splitlines()
#truncate off address/netmask/gateway, we add after
del properties[i]
#if we're static but we just want to change our address
del device_map[interface_index]
properties.append(truncated[0] + "\n")
break
for i in range(0, len(device_map)):
if device_map[i].find("auto " + device) != -1:
del device_map[i]
break
#append address values to interface string
address = str("\taddress " + form.ip_address.data + "\n")
netmask = str("\tnetmask " + form.netmask.data + "\n")
gateway = str("\tgateway " + form.gateway.data + "\n")
properties.append(address)
properties.append(netmask)
properties.append(gateway)
#append new interface string with address information included
for i in range(0, len(properties)):
device_map.insert(interface_index + i, properties[i])
#write the network file with the new device map
for i in range(0, len(device_map)):
if device_map[i].find("iface default inet dhcp") != -1:
x = device_map[i].replace('dhcp', 'static')
del device_map[i]
device_map.append(x)
break
_write_network_file(device_map)
else:
for i in range(0, len(properties)):
if properties[i].find("static") != -1 and properties[i].find(
device) != -1:
interface_index = device_map.index(properties[i])
truncated = properties[0].splitlines()
x = truncated[0].replace('static', 'dhcp')
del properties
properties = []
properties.append("auto " + device + "\n" + x + "\n")
del device_map[interface_index]
for i in range(0, len(properties)):
device_map.insert(interface_index + i, properties[i])
for i in range(0, len(device_map)):
if device_map[i].find("iface default inet static") != -1:
x = device_map[i].replace('static', 'dhcp')
del device_map[i]
device_map.append(x)
break
_write_network_file(device_map)
#substitute values in the device_map, write the file and restart networking
with sh.sudo:
try:
sh.ifdown(str(device))
except sh.ErrorReturnCode_1:
flash('Unable to restart networking. Please try manually.',
'error')
try:
sh.ifup(str(device))
except sh.ErrorReturnCode_1:
flash('Unable to restart networking. Please try manually.',
'error')
form.ethernet_device.data = device
form.ethernet_device.data = device
return render_template('settings/configure_ethernet_device.html',
form=form,
device=device,
active="network settings")
def configure_ethernet_device(device):
form = EthernetConfigureForm()
device_map = None
if os.access(NETWORK_FILE, os.W_OK):
device_map = _parse_network_file()
else:
flash(NETWORK_FILE + ' is not writable!', 'error')
return redirect(url_for('settings.host'))
properties = _get_ethernet_properties(device, device_map)
addresses = netifaces.ifaddresses(device)
ipv4 = addresses[netifaces.AF_INET]
#first address and gateway
ip_address = ipv4[0]['addr']
subnet_mask = ipv4[0]['netmask']
gateways = netifaces.gateways()
gateway = gateways['default'][netifaces.AF_INET]
default_gateway = gateway[0]
if not form.is_submitted():
form.ip_address.data = ip_address
form.gateway.data = default_gateway
form.netmask.data = subnet_mask
if not properties:
if device == 'lo' or device == 'lo0':
flash('Unable to configure loopback device!', 'error')
return redirect(url_for('settings.host'))
flash('Device ' + device + ' not found in ' + NETWORK_FILE + ' you should use your OS tools to configure your network.', 'error')
return redirect(url_for('settings.host'))
else:
for s in properties:
if 'loopback' in s:
flash('Unable to configure loopback device!', 'error')
return redirect(url_for('settings.host'))
if 'static' in s:
form.connection_type.data = 'static'
if 'dhcp' in s:
form.connection_type.data = 'dhcp'
if form.validate_on_submit():
if form.connection_type.data == 'static':
i = 0
interface_index = 0
#find our iface definition string for "device"
for i in range(0, len(properties)):
if properties[i].find("dhcp") != -1 and properties[i].find(device) != -1:
interface_index = device_map.index(properties[i])
x = properties[i].replace('dhcp', 'static')
#replace dhcp with static, remove original add copy
del properties[i]
#delete our interface from the map, add it to new properties list for re-adding to map later
del device_map[interface_index]
properties.append(x)
break
else:
if properties[i].find("static") != -1 and properties[i].find(device) != -1:
interface_index = device_map.index(properties[i])
truncated = properties[i].splitlines()
#truncate off address/netmask/gateway, we add after
del properties[i]
#if we're static but we just want to change our address
del device_map[interface_index]
properties.append(truncated[0] + "\n")
break
for i in range(0, len(device_map)):
if device_map[i].find("auto " + device) != -1:
del device_map[i]
break
#append address values to interface string
address = str("\taddress " + form.ip_address.data + "\n")
netmask = str("\tnetmask " + form.netmask.data + "\n")
gateway = str("\tgateway " + form.gateway.data + "\n")
properties.append(address)
properties.append(netmask)
properties.append(gateway)
#append new interface string with address information included
for i in range(0, len(properties)):
device_map.insert(interface_index + i, properties[i])
#write the network file with the new device map
for i in range(0, len(device_map)):
if device_map[i].find("iface default inet dhcp") != -1:
x = device_map[i].replace('dhcp', 'static')
del device_map[i]
device_map.append(x)
break
_write_network_file(device_map);
else:
for i in range(0, len(properties)):
if properties[i].find("static") != -1 and properties[i].find(device) != -1:
interface_index = device_map.index(properties[i])
truncated = properties[0].splitlines()
x = truncated[0].replace('static', 'dhcp')
del properties
properties = []
properties.append("auto " + device + "\n" + x + "\n")
del device_map[interface_index]
for i in range(0, len(properties)):
device_map.insert(interface_index + i, properties[i])
for i in range(0, len(device_map)):
if device_map[i].find("iface default inet static") != -1:
x = device_map[i].replace('static', 'dhcp')
del device_map[i]
device_map.append(x)
break
_write_network_file(device_map)
#substitute values in the device_map, write the file and restart networking
with sh.sudo:
try:
sh.ifdown(str(device))
except sh.ErrorReturnCode_1:
flash('Unable to restart networking. Please try manually.', 'error')
try:
sh.ifup(str(device))
except sh.ErrorReturnCode_1:
flash('Unable to restart networking. Please try manually.', 'error')
form.ethernet_device.data = device
form.ethernet_device.data = device
return render_template('settings/configure_ethernet_device.html', form=form, device=device, active="network settings")
def setup_networking(ob_num: int):
"""Sets up networking.
Installs some debs manually that are required for configuring networking,
since we don't yet have networking and can't apt install them. Then configures
DNS and network interfaces, then bounces the network interfaces.
"""
print(" === Setting up networking === ")
# Install network management packages manually via dpkg, since we can't apt
# install them without networking already setup.
print("Installing dependencies for setting up networking...")
dpkg("-i", *glob("./*.deb"))
print("Configuring resolved...")
# Default to the Mikrotik router for DNS, with a fallback of Google's DNS
sed("-i", "s/^#DNS=$/DNS=172.27.31.254 8.8.8.8/g",
"/etc/systemd/resolved.conf")
sed("-i", "s/^#FallbackDNS=$/FallbackDNS=8.8.8.8 8.8.4.4/g",
"/etc/systemd/resolved.conf")
systemctl("restart", "systemd-resolved")
# Not sure if still used, but some things might be expecting orange boxen to
# have this configuration file.
with open("/etc/orange-box.conf", "w") as f:
f.writelines([f"orangebox_number={ob_num}"])
# Disable the external ethernet port (en*) and use both of the internal
# ones (enx*). The enx* interfaces map to vlan1 and vlan2, which in turn
# get mapped to `172.27.{orange box #}.X` and `172.27.{orange box # + 2}.X`,
# respectively. They are both bridged to the wireless network that the
# orange box is connected to, hence not needing en* connected.
print("Writing network configuration...")
interfaces = list(
sorted(
Path(iface).name for iface in glob("/sys/class/net/*")
if Path(iface).name.startswith("en")))
internal_ips = [f"172.27.{ob_num}.1", f"172.27.{ob_num + 2}.1"]
gateway_ips = [f"172.27.{ob_num + 1}.254", f"172.27.{ob_num + 3}.254"]
sh.ip("addr", "flush", "dev", interfaces[1])
sh.ifconfig(interfaces[1], f"{internal_ips[1]}/23")
systemctl("stop", "NetworkManager")
systemctl("disable", "NetworkManager")
with open("/etc/network/interfaces", "w") as f:
f.write(
textwrap.dedent(f"""
# These are generated by orange-box build scripts
auto lo
iface lo inet loopback
auto {interfaces[0]}
iface {interfaces[0]} inet manual
auto {interfaces[1]}
iface {interfaces[1]} inet manual
auto {interfaces[2]}
iface {interfaces[2]} inet manual
auto br0
iface br0 inet static
address {internal_ips[0]}
netmask 255.255.254.0
gateway {gateway_ips[0]}
dns-nameservers {internal_ips[0]} {gateway_ips[0]}
bridge_ports {interfaces[1]}
bridge_stp off
bridge_fd 0
bridge_maxwait 0
auto br1
iface br1 inet static
address {internal_ips[1]}
netmask 255.255.254.0
bridge_ports {interfaces[2]}
bridge_stp off
bridge_fd 0
bridge_maxwait 0"""))
print("Restarting network interfaces...")
bridges = ["br0", "br1"]
# Take down all of the interfaces
for iface in interfaces + bridges:
sh.ifdown("--force", iface)
# Bring up all interfaces except enp*
for iface in interfaces[1:] + bridges:
sh.ifup("--force", iface)
print("Waiting for network to come up...")
for _ in range(60):
try:
ping("-c1", "8.8.8.8")
break
except sh.ErrorReturnCode_1:
print(" - Still waiting for 8.8.8.8...")
else:
print("Waited too long for network to come up.")
print("Please fix the network.")
sys.exit(1)
print("Waiting for DNS to come up...")
for _ in range(60):
try:
ping("-c1", "launchpad.net")
break
except (sh.ErrorReturnCode_1, sh.ErrorReturnCode_2):
print(" - Still waiting for launchpad.net...")
else:
print("Waited too long for DNS to come up.")
print("Please fix the DNS.")
sys.exit(1)