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Diffstat (limited to '')
| -rw-r--r-- | source4/libcli/dgram/netlogon.c | 140 |
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; +} + |