david 401fa9d2d3 Be more careful about checking address families in hostInExclude. ...

Before, a variable was set to NULL if it was not AF_INET, and was later
dereferenced in handling target groups containing IPv4 addresses. This
never actually caused a problem because Nmap's -6 switch is global, so
if an AF_INET6 address was passed to hostInExclude, none of the target
groups could have contained IPv4 addresses and the NULL dereference
would not have occurred. It might have broken easily in the future
though. Now the IPv4 target groups make sure they are dealing with an
AF_INET address.

2009-07-16 02:47:44 +00:00

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