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    SubjectRe: Trying to get a 'to' IP address from a socket
    I think getpeername() is what your looking for. 

    See the man page in section 2 for it.

    Aaron


    On Tue, 20 Jul 1999, Fred Cohen wrote:

    > I'm not on the list, so please respond directly to me.
    >
    > I am trying to figure out how to get a destination IP address from a
    > socket that has been passed to me by another program. According to what
    > I have been able to find out to date, the source IP address is easy to
    > get, but the destination isn't available except through some fairly
    > obscure set of system calls. No direct call seems to be available, but
    > lsof seems to be able to generate this information by looking through
    > the kernel structures. Does anybody out there have the code to do this
    > - preferably a few simple system calls - alternatively a very short C
    > program - last alternative a hairy complex beast...
    >
    > FC
    >
    >
    > -
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    > Please read the FAQ at http://www.tux.org/lkml/
    >


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