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Fixes issue with empty netmasks on host interfaces

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Pybootd fails is the host contains interfaces where the
netmask is not set, for example in case on auto assigned
RFC 3927 IPs (169.254.0.0./16).
This commit is contained in:
Alessandro Pilotti 2014-12-02 19:39:00 +02:00
parent f5ff5f3825
commit 5b7e756764
1 changed files with 7 additions and 2 deletions
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9
pybootd/util.py
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@ -135,8 +135,13 @@ def get_iface_config(address):
if netifaces.AF_INET not in ifinfo:
continue
for inetinfo in netifaces.ifaddresses(iface)[netifaces.AF_INET]:
addr = iptoint(inetinfo['addr'])
mask = iptoint(inetinfo['netmask'])
addr_s = inetinfo.get('addr')
netmask_s = inetinfo.get('netmask')
if addr_s is None or netmask_s is None:
continue
addr = iptoint(addr_s)
mask = iptoint(netmask_s)
ip = addr & mask
ip_client = pool & mask
delta = ip ^ ip_client