metze
(cherry picked from commit 0b3e950731fe72a258a631e39ca1304d54663536)

This is the same as swrap_recv().

metze

Jeremy.

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

metze

metze

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.

metze