def set_ip_configuration_option(rcp, option, value):
"Set IP configuration for network options."
value = network.parse_ipv4(value)
rcp.set('ip_configuration', "%s_1" % option, "%03d" % value[0])
rcp.set('ip_configuration', "%s_2" % option, "%03d" % value[1])
rcp.set('ip_configuration', "%s_3" % option, "%03d" % value[2])
rcp.set('ip_configuration', "%s_4" % option, "%03d" % value[3])
def _intf_ipv4_gateway(self, ifname):
"""
Return the default gateway if it belongs to the interface
"""
defgw = self.route.get(self.default_dst_ipv4)
xaddr = dumbnet.intf.get(self, ifname)["addr"]
route = self.route.get(xaddr)
if not defgw or (route and defgw != route):
return None
defgwstr = str(defgw)
address = network.parse_ipv4(dumbnet.ip_ntoa(xaddr.ip))
netmask = network.bitmask_to_mask_ipv4(xaddr.bits)
if network.ipv4_in_network(network.parse_ipv4(defgwstr), netmask, network.mask_ipv4(netmask, address)):
return defgwstr
def set(self, d, name=None):
"""
Set the configuration for an interface from a dict like interfaces(5).
"""
if name is not None:
d['name'] = name
iface = self.get(d['name'])
address = d.get('address', iface['address'])
netmask = d.get('netmask', iface['netmask'])
d['addr'] = dumbnet.addr("%s/%s" % (address, netmask))
newgateway = None
delgateway = None
if d.has_key('gateway'):
if iface['type'] != 'eth' or iface['family'] != 'inet':
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
gwstr = network.format_ipv4(network.parse_ipv4("%s" % d['gateway']))
if iface.get('gateway', None) != gwstr:
newgateway = dumbnet.addr("%s" % d['gateway'])
# If d hasn't gateway but iface has a gateway, remove previous gateway.
elif iface.has_key('gateway'):
if iface['type'] != 'eth' or iface['family'] != 'inet':
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
delgateway = d['addr']
if d.has_key('pointopoint'):
d['dst_addr'] = dumbnet.addr("%s" % d['pointopoint'])
if d.has_key('hwaddress'):
d['link_addr'] = dumbnet.addr("%s" % d['hwaddress'], dumbnet.ADDR_TYPE_ETH)
dumbnet.intf.set(self, d)
# If iface has previously a default gateway
if delgateway:
try:
self.route.delete(self.default_dst_ipv4)
except OSError, e:
# If an error has occurred, rollback
if iface.has_key('gateway'):
del iface['gateway']
self.set(iface)
raise OSError(str(e))
def set(self, d, name=None):
"""
Set the configuration for an interface from a dict like interfaces(5).
"""
if name is not None:
d["name"] = name
iface = self.get(d["name"])
address = d.get("address", iface["address"])
netmask = d.get("netmask", iface["netmask"])
d["addr"] = dumbnet.addr("%s/%s" % (address, netmask))
newgateway = None
delgateway = None
if d.has_key("gateway"):
if iface["type"] != "eth" or iface["family"] != "inet":
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
gwstr = network.format_ipv4(network.parse_ipv4("%s" % d["gateway"]))
if iface.get("gateway", None) != gwstr:
newgateway = dumbnet.addr("%s" % d["gateway"])
# If d hasn't gateway but iface has a gateway, remove previous gateway.
elif iface.has_key("gateway"):
if iface["type"] != "eth" or iface["family"] != "inet":
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
delgateway = d["addr"]
if d.has_key("pointopoint"):
d["dst_addr"] = dumbnet.addr("%s" % d["pointopoint"])
if d.has_key("hwaddress"):
d["link_addr"] = dumbnet.addr("%s" % d["hwaddress"], dumbnet.ADDR_TYPE_ETH)
dumbnet.intf.set(self, d)
# If iface has previously a default gateway
if delgateway:
try:
self.route.delete(self.default_dst_ipv4)
except OSError, e:
# If an error has occurred, rollback
if iface.has_key("gateway"):
del iface["gateway"]
self.set(iface)
raise OSError(str(e))
def get_netiface_info(self, iface):
try:
info = self.netcfg.get(iface)
except OSError:
return False
if not info or not info.has_key('family'):
return False
info['carrier'] = False
info['physicalif'] = False
info['vlanif'] = False
info['vlan-id'] = None
info['vlan-raw-device'] = None
info['aliasif'] = False
info['alias-raw-device'] = None
info['hwtypeid'] = None
info['options'] = None
if network.is_linux_netdev_if(iface):
info['carrier'] = network.is_interface_plugged(iface)
info['flags'] = network.get_interface_flags(iface)
info['physicalif'] = network.is_linux_phy_if(iface)
info['dummyif'] = network.is_linux_dummy_if(iface)
info['vlanif'] = network.is_linux_vlan_if(iface)
info['hwtypeid'] = network.get_interface_hwtypeid(iface)
if not info['physicalif'] and info.has_key('gateway'):
del info['gateway']
if not info.has_key('hwaddress'):
info['hwaddress'] = network.get_interface_hwaddress(iface)
if not info.has_key('mtu'):
info['mtu'] = network.get_interface_mtu(iface)
else:
if network.is_alias_if(iface):
info['aliasif'] = True
phyifname = network.phy_name_from_alias_if(iface)
info['alias-raw-device'] = phyifname
if network.is_linux_netdev_if(phyifname):
if info.has_key('gateway'):
try:
phyinfo = self.netcfg.get(phyifname)
if phyinfo.get('gateway') == info['gateway']:
del info['gateway']
except OSError:
pass
info['carrier'] = network.is_interface_plugged(phyifname)
info['hwtypeid'] = network.get_interface_hwtypeid(phyifname)
if not info.has_key('flags'):
info['flags'] = None
if not info.has_key('hwaddress'):
info['hwaddress'] = None
if not info.has_key('mtu'):
info['mtu'] = None
if info['family'] in ('inet', 'inet6'):
inetxparsed = self.inetxparser.get(iface)
if inetxparsed:
info['options'] = xivo_config.unreserved_interfaces_options(inetxparsed)
xdict = dict(inetxparsed)
info['method'] = xdict.get('method')
info['vlan-id'] = xdict.get('vlan-id')
info['vlan-raw-device'] = xdict.get('vlan-raw-device')
if 'address' not in info \
and 'address' in xdict \
and 'netmask' in xdict:
info['address'] = xdict.get('address')
info['netmask'] = xdict['netmask']
if 'broadcast' in xdict:
info['broadcast'] = xdict['broadcast']
if 'network' in xdict:
info['network'] = xdict['network']
if info['family'] == 'inet' \
and not info.has_key('gateway') \
and info.has_key('netmask') \
and info.has_key('network') \
and xdict.has_key('gateway') \
and network.ipv4_in_network(network.parse_ipv4(xdict['gateway']),
network.parse_ipv4(info['netmask']),
network.parse_ipv4(info['network'])):
info['gateway'] = xdict['gateway']
else:
info['method'] = None
if info['vlanif']:
vconfig = network.get_vlan_info(iface)
info['vlan-id'] = vconfig.get('vlan-id', info['vlan-id'])
info['vlan-raw-device'] = vconfig.get('vlan-raw-device', info['vlan-raw-device'])
return info
def is_ipv4_netmask_valid(netmask):
"Verify if it is a valid netmask."
return network.is_ipv4_address_valid(netmask) \
and network.plausible_netmask(network.parse_ipv4(netmask))
def get_netiface_info(self, iface):
try:
info = self.netcfg.get(iface)
except OSError:
return False
if not info or not info.has_key("family"):
return False
info["carrier"] = False
info["physicalif"] = False
info["vlanif"] = False
info["vlan-id"] = None
info["vlan-raw-device"] = None
info["aliasif"] = False
info["alias-raw-device"] = None
info["hwtypeid"] = None
info["options"] = None
if network.is_linux_netdev_if(iface):
info["carrier"] = network.is_interface_plugged(iface)
info["flags"] = network.get_interface_flags(iface)
info["physicalif"] = network.is_linux_phy_if(iface)
info["dummyif"] = network.is_linux_dummy_if(iface)
info["vlanif"] = network.is_linux_vlan_if(iface)
info["hwtypeid"] = network.get_interface_hwtypeid(iface)
if not info["physicalif"] and info.has_key("gateway"):
del info["gateway"]
if not info.has_key("hwaddress"):
info["hwaddress"] = network.get_interface_hwaddress(iface)
if not info.has_key("mtu"):
info["mtu"] = network.get_interface_mtu(iface)
else:
if network.is_alias_if(iface):
info["aliasif"] = True
phyifname = network.phy_name_from_alias_if(iface)
info["alias-raw-device"] = phyifname
if network.is_linux_netdev_if(phyifname):
if info.has_key("gateway"):
try:
phyinfo = self.netcfg.get(phyifname)
if phyinfo.get("gateway") == info["gateway"]:
del info["gateway"]
except OSError:
pass
info["carrier"] = network.is_interface_plugged(phyifname)
info["hwtypeid"] = network.get_interface_hwtypeid(phyifname)
if not info.has_key("flags"):
info["flags"] = None
if not info.has_key("hwaddress"):
info["hwaddress"] = None
if not info.has_key("mtu"):
info["mtu"] = None
if info["family"] in ("inet", "inet6"):
inetxparsed = self.inetxparser.get(iface)
if inetxparsed:
info["options"] = xivo_config.unreserved_interfaces_options(inetxparsed)
xdict = dict(inetxparsed)
info["method"] = xdict.get("method")
info["vlan-id"] = xdict.get("vlan-id")
info["vlan-raw-device"] = xdict.get("vlan-raw-device")
if "address" not in info and "address" in xdict and "netmask" in xdict:
info["address"] = xdict.get("address")
info["netmask"] = xdict["netmask"]
if "broadcast" in xdict:
info["broadcast"] = xdict["broadcast"]
if "network" in xdict:
info["network"] = xdict["network"]
if (
info["family"] == "inet"
and not info.has_key("gateway")
and info.has_key("netmask")
and info.has_key("network")
and xdict.has_key("gateway")
and network.ipv4_in_network(
network.parse_ipv4(xdict["gateway"]),
network.parse_ipv4(info["netmask"]),
network.parse_ipv4(info["network"]),
)
):
info["gateway"] = xdict["gateway"]
else:
info["method"] = None
if info["vlanif"]:
vconfig = network.get_vlan_info(iface)
info["vlan-id"] = vconfig.get("vlan-id", info["vlan-id"])
info["vlan-raw-device"] = vconfig.get("vlan-raw-device", info["vlan-raw-device"])
return info
