summaryrefslogtreecommitdiffstats
path: root/source4/libcli/dgram/netlogon.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/libcli/dgram/netlogon.c')
-rw-r--r--source4/libcli/dgram/netlogon.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/source4/libcli/dgram/netlogon.c b/source4/libcli/dgram/netlogon.c
new file mode 100644
index 0000000..1124a33
--- /dev/null
+++ b/source4/libcli/dgram/netlogon.c
@@ -0,0 +1,140 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ handling for netlogon 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/dgram/libdgram.h"
+#include "lib/socket/socket.h"
+#include "libcli/resolve/resolve.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+
+/*
+ send a netlogon mailslot request
+*/
+NTSTATUS dgram_mailslot_netlogon_send(struct nbt_dgram_socket *dgmsock,
+ struct nbt_name *dest_name,
+ struct socket_address *dest,
+ const char *mailslot,
+ struct nbt_name *src_name,
+ struct nbt_netlogon_packet *request)
+{
+ NTSTATUS status;
+ enum ndr_err_code ndr_err;
+ DATA_BLOB blob;
+ TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+
+ ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, request,
+ (ndr_push_flags_fn_t)ndr_push_nbt_netlogon_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(tmp_ctx);
+ return ndr_map_error2ntstatus(ndr_err);
+ }
+
+
+ status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+ mailslot,
+ dest_name, dest,
+ src_name, &blob);
+ talloc_free(tmp_ctx);
+ return status;
+}
+
+
+/*
+ send a netlogon mailslot reply
+*/
+NTSTATUS dgram_mailslot_netlogon_reply(struct nbt_dgram_socket *dgmsock,
+ struct nbt_dgram_packet *request,
+ const char *my_netbios_name,
+ const char *mailslot_name,
+ struct nbt_netlogon_response *reply)
+{
+ NTSTATUS status;
+ DATA_BLOB blob;
+ TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+ struct nbt_name myname;
+ struct socket_address *dest;
+
+ status = push_nbt_netlogon_response(&blob, tmp_ctx, reply);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ make_nbt_name_client(&myname, my_netbios_name);
+
+ dest = socket_address_from_strings(tmp_ctx, dgmsock->sock->backend_name,
+ request->src_addr, request->src_port);
+ if (!dest) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+ mailslot_name,
+ &request->data.msg.source_name,
+ dest,
+ &myname, &blob);
+ talloc_free(tmp_ctx);
+ return status;
+}
+
+
+/*
+ parse a netlogon request. The packet must be a valid mailslot packet
+*/
+NTSTATUS dgram_mailslot_netlogon_parse_request(TALLOC_CTX *mem_ctx,
+ struct nbt_dgram_packet *dgram,
+ struct nbt_netlogon_packet *netlogon)
+{
+ DATA_BLOB data = dgram_mailslot_data(dgram);
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_pull_struct_blob(&data, mem_ctx, netlogon,
+ (ndr_pull_flags_fn_t)ndr_pull_nbt_netlogon_packet);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
+ DEBUG(0,("Failed to parse netlogon packet of length %d: %s\n",
+ (int)data.length, nt_errstr(status)));
+ if (DEBUGLVL(10)) {
+ (void)file_save("netlogon.dat", data.data, data.length);
+ }
+ return status;
+ }
+ return NT_STATUS_OK;
+}
+
+/*
+ parse a netlogon response. The packet must be a valid mailslot packet
+*/
+NTSTATUS dgram_mailslot_netlogon_parse_response(TALLOC_CTX *mem_ctx,
+ struct nbt_dgram_packet *dgram,
+ struct nbt_netlogon_response *netlogon)
+{
+ NTSTATUS status;
+ DATA_BLOB data = dgram_mailslot_data(dgram);
+
+ status = pull_nbt_netlogon_response(&data, mem_ctx, netlogon);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ return NT_STATUS_OK;
+}
+