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Code Issues Releases Wiki Activity

make it possible to use subnet addresses for axfr (#1616)

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it is sometimes needed to be able to set axfr to more than just one ip address. This can be done with multiple xfr: in  the secondary dns input but if you need to add an entire subnet segment (xxx.xxx.xxx.0/yy) then it will not work.
With this patch it is now possible to use a subnet as input for xfr the same way as if it was an ip address.
This commit is contained in:
Kim Schulz 2019-08-31 14:00:18 +02:00 committed by Joshua Tauberer
parent 08021ea19f
commit c7377e602d
1 changed files with 6 additions and 2 deletions
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8
management/dns_update.py
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@ -903,8 +903,12 @@ def set_secondary_dns(hostnames, env):
else:
# Validate IP address.
try:
v = ipaddress.ip_address(item[4:]) # raises a ValueError if there's a problem
if not isinstance(v, ipaddress.IPv4Address): raise ValueError("That's an IPv6 address.")
if "/" in item[4:]:
v = ipaddress.ip_network(item[4:] # raises a ValueError if there's a problem
if not isinstance(v, ipaddress.IPv4Network): raise ValueError("That's an IPv6 subnet.")
else:
v = ipaddress.ip_address(item[4:]) # raises a ValueError if there's a problem
if not isinstance(v, ipaddress.IPv4Address): raise ValueError("That's an IPv6 address.")
except ValueError:
raise ValueError("'%s' is not an IPv4 address." % item[4:])