This keeps the restriction for stream sockets (where the caller will
retry), without creating problems on datagram sockets (CLDAP is not
defined, as far as I know, across multiple UDP packets).

The commit adding this restriction was
47b106c0ae8b91c9cccfc21bf8e4e416b1abfd5d

Andrew Bartlett

In convert_in_un_remote() the socket family can be accessed either as
si->family or inaddr->sa_family. We were using the si->family to
determine how to cast the inaddr structure, but if si->family !=
inaddr->sa_family then we will incorrectly be casting a in6 structure
as in4 or vice-versa.

Heimdal will, on supporting systems, set these flags in the type
argument of socket(), causing breakage when combined with
socket_wrapper.

For background on these flags, see http://lwn.net/Articles/281965/

Andrew Bartlett

This is required because the deferred connect code skips the connect()
until sending the packet, but unless we catch this call, the connect()
never happens.

Andrew Bartlett

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Now we defer the real_connect() for dgram sockets to the first send()/sendto() call,
as the destination might not be there at connect time.

Commit 66dc53ee017d74a6f610bbe04337f064901fe2a1 was an incomplete fix for this
problem.

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This reverts commit 66dc53ee017d74a6f610bbe04337f064901fe2a1.

Somehow this leads to timeouts in some tests, samba4.ldb.ldapi
and samba4.rpc.schannel. I need to look at it more closely later...

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