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Code Issues Releases Wiki Activity

Do not connect GNS3 to remote server via 169.254.X.X

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This commit is contained in:
Julien Duponchelle 2016-11-10 14:46:25 +01:00
parent 5f988bae2f
commit ca6f014207
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2 changed files with 29 additions and 0 deletions
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3
gns3server/controller/compute.py
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@ -601,6 +601,9 @@ class Compute:
# Skip if no ip or no netmask (vbox when stopped set a null netmask) # Skip if no ip or no netmask (vbox when stopped set a null netmask)
if len(this_interface["ip_address"]) == 0 or this_interface["netmask"] is None: if len(this_interface["ip_address"]) == 0 or this_interface["netmask"] is None:
continue continue
# Ignore 169.254 network because it's for Windows special purpose
if this_interface["ip_address"].startswith("169.254."):
continue
this_network = ipaddress.ip_network("{}/{}".format(this_interface["ip_address"], this_interface["netmask"]), strict=False) this_network = ipaddress.ip_network("{}/{}".format(this_interface["ip_address"], this_interface["netmask"]), strict=False)

26
tests/controller/test_compute.py
View File

@ -457,3 +457,29 @@ def test_get_ip_on_same_subnet(controller, async_run):
] ]
with pytest.raises(ValueError): with pytest.raises(ValueError):
async_run(compute1.get_ip_on_same_subnet(compute2)) async_run(compute1.get_ip_on_same_subnet(compute2))
# Ignore 169.254 network because it's for Windows special purpose
compute2 = Compute("compute2", host="192.168.1.2", controller=controller)
compute1 = Compute("compute1", host="192.168.2.1", controller=controller)
compute1._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "169.254.1.1",
"netmask": "255.255.0.0"
},
]
compute2._interfaces_cache = [
{
"ip_address": "127.0.0.1",
"netmask": "255.255.255.255"
},
{
"ip_address": "169.254.2.1",
"netmask": "255.255.0.0"
},
]
with pytest.raises(ValueError):
assert async_run(compute1.get_ip_on_same_subnet(compute2))