diff options
Diffstat (limited to 'source4/nbt_server/dgram/ntlogon.c')
| -rw-r--r-- | source4/nbt_server/dgram/ntlogon.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/source4/nbt_server/dgram/ntlogon.c b/source4/nbt_server/dgram/ntlogon.c new file mode 100644 index 0000000..8c6a6e9 --- /dev/null +++ b/source4/nbt_server/dgram/ntlogon.c @@ -0,0 +1,121 @@ +/* + Unix SMB/CIFS implementation. + + NBT datagram ntlogon server + + 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 "nbt_server/nbt_server.h" +#include "samba/service_task.h" +#include "lib/socket/socket.h" +#include "librpc/gen_ndr/ndr_nbt.h" +#include "param/param.h" + +/* + reply to a SAM LOGON request + */ +static void nbtd_ntlogon_sam_logon(struct dgram_mailslot_handler *dgmslot, + struct nbtd_interface *iface, + struct nbt_dgram_packet *packet, + const struct socket_address *src, + struct nbt_ntlogon_packet *ntlogon) +{ + struct nbt_name *name = &packet->data.msg.dest_name; + struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, false); + struct nbt_ntlogon_packet reply; + struct nbt_ntlogon_sam_logon_reply *logon; + + /* only answer sam logon requests on the PDC or LOGON names */ + if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) { + return; + } + + /* setup a SAM LOGON reply */ + ZERO_STRUCT(reply); + reply.command = NTLOGON_SAM_LOGON_REPLY; + logon = &reply.req.reply; + + logon->server = talloc_asprintf(packet, "\\\\%s", + lpcfg_netbios_name(iface->nbtsrv->task->lp_ctx)); + logon->user_name = ntlogon->req.logon.user_name; + logon->domain = lpcfg_workgroup(iface->nbtsrv->task->lp_ctx); + logon->nt_version = 1; + logon->lmnt_token = 0xFFFF; + logon->lm20_token = 0xFFFF; + + packet->data.msg.dest_name.type = 0; + + dgram_mailslot_ntlogon_reply(reply_iface->dgmsock, + packet, + lpcfg_netbios_name(iface->nbtsrv->task->lp_ctx), + ntlogon->req.logon.mailslot_name, + &reply); +} + +/* + handle incoming ntlogon mailslot requests +*/ +void nbtd_mailslot_ntlogon_handler(struct dgram_mailslot_handler *dgmslot, + struct nbt_dgram_packet *packet, + struct socket_address *src) +{ + NTSTATUS status = NT_STATUS_NO_MEMORY; + struct nbtd_interface *iface = + talloc_get_type(dgmslot->private_data, struct nbtd_interface); + struct nbt_ntlogon_packet *ntlogon = + talloc(dgmslot, struct nbt_ntlogon_packet); + struct nbtd_iface_name *iname; + struct nbt_name *name = &packet->data.msg.dest_name; + + if (ntlogon == NULL) goto failed; + + /* + see if the we are listening on the destination netbios name + */ + iname = nbtd_find_iname(iface, name, 0); + if (iname == NULL) { + status = NT_STATUS_BAD_NETWORK_NAME; + goto failed; + } + + DEBUG(2,("ntlogon request to %s from %s:%d\n", + nbt_name_string(ntlogon, name), src->addr, src->port)); + status = dgram_mailslot_ntlogon_parse(dgmslot, ntlogon, packet, ntlogon); + if (!NT_STATUS_IS_OK(status)) goto failed; + + NDR_PRINT_DEBUG(nbt_ntlogon_packet, ntlogon); + + switch (ntlogon->command) { + case NTLOGON_SAM_LOGON: + nbtd_ntlogon_sam_logon(dgmslot, iface, packet, src, ntlogon); + break; + default: + DEBUG(2,("unknown ntlogon op %d from %s:%d\n", + ntlogon->command, src->addr, src->port)); + break; + } + + talloc_free(ntlogon); + return; + +failed: + DEBUG(2,("nbtd ntlogon handler failed from %s:%d to %s - %s\n", + src->addr, src->port, nbt_name_string(ntlogon, name), + nt_errstr(status))); + talloc_free(ntlogon); +} |