r6321: added IDL and test suite for NBT dgram 'sam logon' request (sent by

clients when a user tries to login)
(This used to be commit 08ded62156b387457bc56b5910e1ddc813b375bd)

2 files changed, 132 insertions, 0 deletions

diff --git a/source4/libcli/dgram/libdgram.h b/source4/libcli/dgram/libdgram.h
index 163cb1e37d..af278d2ab6 100644
--- a/source4/libcli/dgram/libdgram.h
+++ b/source4/libcli/dgram/libdgram.h
@@ -134,3 +134,18 @@ NTSTATUS dgram_mailslot_netlogon_parse(struct dgram_mailslot_handler *dgmslot,
 				       TALLOC_CTX *mem_ctx,
 				       struct nbt_dgram_packet *dgram,
 				       struct nbt_netlogon_packet *netlogon);
+
+NTSTATUS dgram_mailslot_ntlogon_send(struct nbt_dgram_socket *dgmsock,
+				      struct nbt_name *dest_name,
+				      const char *dest_address,
+				      int dest_port,
+				      struct nbt_name *src_name,
+				      struct nbt_ntlogon_packet *request);
+NTSTATUS dgram_mailslot_ntlogon_reply(struct nbt_dgram_socket *dgmsock,
+				       struct nbt_dgram_packet *request,
+				       const char *mailslot_name,
+				       struct nbt_ntlogon_packet *reply);
+NTSTATUS dgram_mailslot_ntlogon_parse(struct dgram_mailslot_handler *dgmslot,
+				       TALLOC_CTX *mem_ctx,
+				       struct nbt_dgram_packet *dgram,
+				       struct nbt_ntlogon_packet *ntlogon);
diff --git a/source4/libcli/dgram/ntlogon.c b/source4/libcli/dgram/ntlogon.c
new file mode 100644
index 0000000000..7f18e8cec6
--- /dev/null
+++ b/source4/libcli/dgram/ntlogon.c
@@ -0,0 +1,117 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   handling for ntlogon dgram requests
+
+   Copyright (C) Andrew Tridgell 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 "lib/events/events.h"
+#include "dlinklist.h"
+#include "libcli/nbt/libnbt.h"
+#include "libcli/dgram/libdgram.h"
+#include "lib/socket/socket.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+
+/* 
+   send a ntlogon mailslot request 
+*/
+NTSTATUS dgram_mailslot_ntlogon_send(struct nbt_dgram_socket *dgmsock,
+				     struct nbt_name *dest_name,
+				     const char *dest_address,
+				     int dest_port,
+				     struct nbt_name *src_name,
+				     struct nbt_ntlogon_packet *request)
+{
+	NTSTATUS status;
+	DATA_BLOB blob;
+	TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+
+	status = ndr_push_struct_blob(&blob, tmp_ctx, request, 
+				      (ndr_push_flags_fn_t)ndr_push_nbt_ntlogon_packet);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(tmp_ctx);
+		return status;
+	}
+
+
+	status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE, 
+				     NBT_MAILSLOT_NTLOGON,
+				     dest_name, dest_address, dest_port, 
+				     src_name, &blob);
+	talloc_free(tmp_ctx);
+	return status;
+}
+
+
+/* 
+   send a ntlogon mailslot reply
+*/
+NTSTATUS dgram_mailslot_ntlogon_reply(struct nbt_dgram_socket *dgmsock,
+				      struct nbt_dgram_packet *request,
+				      const char *mailslot_name,
+				      struct nbt_ntlogon_packet *reply)
+{
+	NTSTATUS status;
+	DATA_BLOB blob;
+	TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+	struct nbt_name myname;
+
+	status = ndr_push_struct_blob(&blob, tmp_ctx, reply, 
+				      (ndr_push_flags_fn_t)ndr_push_nbt_ntlogon_packet);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(tmp_ctx);
+		return status;
+	}
+
+	myname.name = lp_netbios_name();
+	myname.type = NBT_NAME_CLIENT;
+	myname.scope = NULL;
+
+	status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE, 
+				     mailslot_name,
+				     &request->data.msg.source_name,
+				     request->source, request->src_port,
+				     &myname, &blob);
+	talloc_free(tmp_ctx);
+	return status;
+}
+
+
+/*
+  parse a ntlogon response. The packet must be a valid mailslot packet
+*/
+NTSTATUS dgram_mailslot_ntlogon_parse(struct dgram_mailslot_handler *dgmslot,
+				      TALLOC_CTX *mem_ctx,
+				      struct nbt_dgram_packet *dgram,
+				      struct nbt_ntlogon_packet *ntlogon)
+{
+	DATA_BLOB *data = &dgram->data.msg.body.smb.body.trans.data;
+	NTSTATUS status;
+
+	status = ndr_pull_struct_blob(data, mem_ctx, ntlogon, 
+				      (ndr_pull_flags_fn_t)ndr_pull_nbt_ntlogon_packet);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("Failed to parse ntlogon packet of length %d\n", 
+			 data->length));
+#if 0
+		file_save("ntlogon.dat", data->data, data->length);
+#endif
+	}
+	return status;
+}