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authorJeremy Allison <jra@samba.org>2011-03-24 12:11:02 -0700
committerJeremy Allison <jra@samba.org>2011-03-24 13:07:36 -0700
commit5176a0b2af1bb16e530412faaa2f36108f312a03 (patch)
tree6c80fdef8ee87d81d3af446e7ec86e1c5df8eca1 /source3/smbd
parent72bd60b2fee20dc85c1cc88d5d4e2efdfb74b701 (diff)
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Fix is_myname_or_ipaddr() to be robust against strange DNS setups.
If IPv6 DNS names are turned on, but Samba isn't configured to listen on an IPv6 interface, then is_myname_or_ipaddr() can return false on a valid DNS name that it should detect is our own. If the IPv6 addr is returned by preference, then looking at the first addr only causes is_myname_or_ipaddr() to fail. We need to look at all the addresses returned by the DNS lookup and check all of them against our interface list. This is an order N^2 lookup, but there shouldn't be enough addresses to make this a practical problem. Jeremy.
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