cldap: use ipv4 not up for unbound cldap sockets

If we use "ip" we end up with a PF_INET6 socket which breaks sendto()
for v4 addresses.

diff --git a/libcli/cldap/cldap.c b/libcli/cldap/cldap.c
index 896319e75cdba6373a7b4d06cadaaa2351242afc..33a1bd65715b7a26ff77c160bb8d090f6d66a93b 100644 (file)
--- a/libcli/cldap/cldap.c
+++ b/libcli/cldap/cldap.c
@@ -320,7 +320,11 @@ NTSTATUS cldap_socket_init(TALLOC_CTX *mem_ctx,
        c->event.ctx = ev;
 
        if (!local_addr) {
-               ret = tsocket_address_inet_from_strings(c, "ip",
+               /* we use ipv4 here instead of ip, as otherwise we end
+                  up with a PF_INET6 socket, and sendto() for ipv4
+                  addresses will fail. That breaks cldap name
+                  resolution for winbind to IPv4 hosts. */
+               ret = tsocket_address_inet_from_strings(c, "ipv4",
                                                        NULL, 0,
                                                        &any);
                if (ret != 0) {