From 706ef631f7d456de93078b8d0dca2c22e39d7ad1 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Sat, 31 Dec 2005 10:41:59 +0000
Subject: r12644: prepare the dns proxy feature for the wins server

metze
(This used to be commit 48842cd9abcff744851ad1481309fb901be3a73b)
---
 source4/nbt_server/config.mk             |  3 ++-
 source4/nbt_server/wins/wins_dns_proxy.c | 40 ++++++++++++++++++++++++++++++++
 source4/nbt_server/wins/winsserver.c     | 11 ++++++++-
 source4/param/loadparm.c                 |  6 ++++-
 4 files changed, 57 insertions(+), 3 deletions(-)
 create mode 100644 source4/nbt_server/wins/wins_dns_proxy.c

diff --git a/source4/nbt_server/config.mk b/source4/nbt_server/config.mk
index 60c338d0fc..bc415516ad 100644
--- a/source4/nbt_server/config.mk
+++ b/source4/nbt_server/config.mk
@@ -17,7 +17,8 @@ REQUIRED_SUBSYSTEMS = \
 OBJ_FILES = \
 		wins/winsserver.o \
 		wins/winsclient.o \
-		wins/winswack.o
+		wins/winswack.o \
+		wins/wins_dns_proxy.o
 PRIVATE_PROTO_HEADER = wins/winsserver_proto.h
 REQUIRED_SUBSYSTEMS = \
 		LIBCLI_NBT WINSDB
diff --git a/source4/nbt_server/wins/wins_dns_proxy.c b/source4/nbt_server/wins/wins_dns_proxy.c
new file mode 100644
index 0000000000..8fb6396f87
--- /dev/null
+++ b/source4/nbt_server/wins/wins_dns_proxy.c
@@ -0,0 +1,40 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   wins server dns proxy
+
+   Copyright (C) Stefan Metzmacher	2005
+      
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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.
+*/
+
+#include "includes.h"
+#include "nbt_server/nbt_server.h"
+#include "nbt_server/wins/winsdb.h"
+#include "nbt_server/wins/winsserver.h"
+#include "system/time.h"
+#include "libcli/composite/composite.h"
+#include "smbd/service_task.h"
+
+/*
+  dns proxy query a name
+*/
+void nbtd_wins_dns_proxy_query(struct nbt_name_socket *nbtsock, 
+			       struct nbt_name_packet *packet, 
+			       const struct nbt_peer_socket *src)
+{
+	/* TODO: add a real implementation here */
+	nbtd_negative_name_query_reply(nbtsock, packet, src);
+}
diff --git a/source4/nbt_server/wins/winsserver.c b/source4/nbt_server/wins/winsserver.c
index 3eddfb7639..449a11f4fc 100644
--- a/source4/nbt_server/wins/winsserver.c
+++ b/source4/nbt_server/wins/winsserver.c
@@ -583,7 +583,16 @@ static void nbtd_winsserver_query(struct nbt_name_socket *nbtsock,
 
 	status = winsdb_lookup(winssrv->wins_db, name, packet, &rec);
 	if (!NT_STATUS_IS_OK(status)) {
-		goto notfound;
+		if (!lp_wins_dns_proxy()) {
+			goto notfound;
+		}
+
+		if (name->type != NBT_NAME_CLIENT && name->type != NBT_NAME_SERVER) {
+			goto notfound;
+		}
+
+		nbtd_wins_dns_proxy_query(nbtsock, packet, src);
+		return;
 	}
 
 	/*
diff --git a/source4/param/loadparm.c b/source4/param/loadparm.c
index a87e5897e3..e6b4b95500 100644
--- a/source4/param/loadparm.c
+++ b/source4/param/loadparm.c
@@ -164,6 +164,7 @@ typedef struct
 	int web_port;
 	char *socket_options;
 	BOOL bWINSsupport;
+	BOOL bWINSdnsProxy;
 	BOOL bLocalMaster;
 	BOOL bPreferredMaster;
 	BOOL bEncryptPasswords;
@@ -519,6 +520,7 @@ static struct parm_struct parm_table[] = {
 	
 	{"wins server", P_LIST, P_GLOBAL, &Globals.szWINSservers, NULL, NULL, FLAG_BASIC | FLAG_ADVANCED | FLAG_WIZARD | FLAG_DEVELOPER},
 	{"wins support", P_BOOL, P_GLOBAL, &Globals.bWINSsupport, NULL, NULL, FLAG_BASIC | FLAG_ADVANCED | FLAG_WIZARD | FLAG_DEVELOPER},
+	{"dns proxy", P_BOOL, P_GLOBAL, &Globals.bWINSdnsProxy, NULL, NULL, FLAG_BASIC | FLAG_ADVANCED | FLAG_WIZARD | FLAG_DEVELOPER},
 
 	{"Locking Options", P_SEP, P_SEPARATOR},
 	
@@ -672,7 +674,8 @@ static void init_globals(void)
 	do_parameter("PreferredMaster", "Auto", NULL);
 	do_parameter("LocalMaster", "True", NULL);
 
-	do_parameter("WINSsupport", "False", NULL);
+	do_parameter("wins support", "False", NULL);
+	do_parameter("dns proxy", "False", NULL);
 
 	do_parameter("winbind separator", "\\", NULL);
 	do_parameter("winbind sealed pipes", "True", NULL);
@@ -847,6 +850,7 @@ FN_GLOBAL_STRING(lp_panic_action, &Globals.szPanicAction)
 
 FN_GLOBAL_BOOL(lp_disable_netbios, &Globals.bDisableNetbios)
 FN_GLOBAL_BOOL(lp_wins_support, &Globals.bWINSsupport)
+FN_GLOBAL_BOOL(lp_wins_dns_proxy, &Globals.bWINSdnsProxy)
 FN_GLOBAL_BOOL(lp_local_master, &Globals.bLocalMaster)
 FN_GLOBAL_BOOL(lp_readraw, &Globals.bReadRaw)
 FN_GLOBAL_BOOL(lp_large_readwrite, &Globals.bLargeReadwrite)
-- 
cgit