s3-vfs: Use ENOATTR in errno comparison for getxattr
[garming/samba-autobuild/.git] / source4 / nbt_server / defense.c
index f8c73c6a3a6505b157f1d69dbdea4533a93bb694..fbe22aa781bb7568efbc5506bb4553ef726b20a5 100644 (file)
@@ -7,7 +7,7 @@
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includes.h"
-#include "dlinklist.h"
+#include "../lib/util/dlinklist.h"
 #include "system/network.h"
 #include "nbt_server/nbt_server.h"
+#include "nbt_server/wins/winsserver.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "lib/socket/socket.h"
 
 
 /*
 */
 void nbtd_request_defense(struct nbt_name_socket *nbtsock, 
                          struct nbt_name_packet *packet, 
-                         const struct nbt_peer_socket *src)
+                         struct socket_address *src)
 {
        struct nbtd_iface_name *iname;
        struct nbt_name *name;
-       struct nbtd_interface *iface = talloc_get_type(nbtsock->incoming.private
+       struct nbtd_interface *iface = talloc_get_type(nbtsock->incoming.private_data,
                                                       struct nbtd_interface);
 
-       NBTD_ASSERT_PACKET(packet, src->addr, packet->qdcount == 1);
-       NBTD_ASSERT_PACKET(packet, src->addr, packet->arcount == 1);
-       NBTD_ASSERT_PACKET(packet, src->addr, 
+       /*
+        * if the packet comes from one of our interfaces
+        * it must be our winsclient trying to reach the winsserver
+        */
+       if (nbtd_self_packet(nbtsock, packet, src)) {
+               nbtd_winsserver_request(nbtsock, packet, src);
+               return;
+       }
+
+       NBTD_ASSERT_PACKET(packet, src, packet->qdcount == 1);
+       NBTD_ASSERT_PACKET(packet, src, packet->arcount == 1);
+       NBTD_ASSERT_PACKET(packet, src, 
                           packet->questions[0].question_type == NBT_QTYPE_NETBIOS);
-       NBTD_ASSERT_PACKET(packet, src->addr
+       NBTD_ASSERT_PACKET(packet, src, 
                           packet->questions[0].question_class == NBT_QCLASS_IP);
-       NBTD_ASSERT_PACKET(packet, src->addr
+       NBTD_ASSERT_PACKET(packet, src, 
                          packet->additional[0].rr_type == NBT_QTYPE_NETBIOS);
-       NBTD_ASSERT_PACKET(packet, src->addr
+       NBTD_ASSERT_PACKET(packet, src, 
                          packet->additional[0].rr_class == NBT_QCLASS_IP);
-       NBTD_ASSERT_PACKET(packet, src->addr
+       NBTD_ASSERT_PACKET(packet, src, 
                          packet->additional[0].rdata.netbios.length == 6);
 
        /* see if we have the requested name on this interface */
@@ -57,7 +68,7 @@ void nbtd_request_defense(struct nbt_name_socket *nbtsock,
 
        iname = nbtd_find_iname(iface, name, NBT_NM_ACTIVE);
        if (iname != NULL && 
-           !IS_GROUP_NAME(name, iname->nb_flags)) {
+           !(name->type == NBT_NAME_LOGON || iname->nb_flags & NBT_NM_GROUP)) {
                DEBUG(2,("Defending name %s on %s against %s\n",
                         nbt_name_string(packet, name), 
                         iface->bcast_address, src->addr));