On Fri, Dec 05, 2014 at 06:51:47PM +0100, [email protected] wrote:
> As Jaybird is not using the client library, that assumption might not be
> correct. I'll look into that more closely tomorrow.
I checked the code and I think I see where the problem comes from:
aux_request() sets packet->p_resp to what getsockname() returns for the
main connection socket. In case of an IPv4 connection to a PF_INET6
listening socket, that would be a v6-mapped address. If the client
expects only struct sockaddr_in and doesn't check sa_family, it will
read wrong address.
While the clients should eventually learn to expect and process IPv6
addresses, this should be fixed to preserve backwards compatibility by
calling unmapV4() on the address first so that an v6-mapped address is
converted to normal IPv4 one.
The reason I didn't notice this when testing the events was that 2.5
libfbclient also ignores the address passed by server so that it didn't
matter that it was wrong.
I'll commit a fix once I have it tested.
Michal Kubecek
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