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authorGreg Hudson <ghudson@mit.edu>2012-05-03 15:15:51 +0000
committerGreg Hudson <ghudson@mit.edu>2012-05-03 15:15:51 +0000
commitc3ab5fe0b01a68b14d5657740006488721b48b7b (patch)
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In sn2princ, getaddrinfo without AI_ADDRCONFIG
When canonicalizing a principal, use AI_CANONNAME alone in the hint flags for getaddrinfo, for two reasons. First, it works around a gnu libc bug where getaddrinfo does a PTR lookup for the canonical name (we tried to work around this in r24977 bug the addition of AI_ADDRCONFIG caused the same problem as the use of AF_INET). Second, an IPv4-only host should be able create a principal for an IPv6-only host even if it can't contact the host. This does result in extra AAAA queries in the common case (IPv4-only host contacting IPv4-only service), which is unfortunate. But we need to leave that optimization up to the platform at this point. ticket: 7124 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25844 dc483132-0cff-0310-8789-dd5450dbe970
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