/* 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" #include "param/param.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, 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, NBT_MAILSLOT_NETLOGON, 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_packet *reply) { NTSTATUS status; enum ndr_err_code ndr_err; DATA_BLOB blob; TALLOC_CTX *tmp_ctx = talloc_new(dgmsock); struct nbt_name myname; struct socket_address *dest; ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, reply, (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); } 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 response. The packet must be a valid mailslot packet */ NTSTATUS dgram_mailslot_netlogon_parse(struct dgram_mailslot_handler *dgmslot, 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)) { file_save("netlogon.dat", data.data, data.length); } return status; } return NT_STATUS_OK; }