2 Unix SMB/CIFS implementation.
4 NBT datagram ntlogon server
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "nbt_server/nbt_server.h"
24 #include "lib/socket/socket.h"
25 #include "librpc/gen_ndr/ndr_nbt.h"
28 reply to a SAM LOGON request
30 static void nbtd_ntlogon_sam_logon(struct dgram_mailslot_handler *dgmslot,
31 struct nbtd_interface *iface,
32 struct nbt_dgram_packet *packet,
33 const struct socket_address *src,
34 struct nbt_ntlogon_packet *ntlogon)
36 struct nbt_name *name = &packet->data.msg.dest_name;
37 struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, False);
38 struct nbt_ntlogon_packet reply;
39 struct nbt_ntlogon_sam_logon_reply *logon;
41 /* only answer sam logon requests on the PDC or LOGON names */
42 if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) {
46 /* setup a SAM LOGON reply */
48 reply.command = NTLOGON_SAM_LOGON_REPLY;
49 logon = &reply.req.reply;
51 logon->server = talloc_asprintf(packet, "\\\\%s", lp_netbios_name());
52 logon->user_name = ntlogon->req.logon.user_name;
53 logon->domain = lp_workgroup();
54 logon->nt_version = 1;
55 logon->lmnt_token = 0xFFFF;
56 logon->lm20_token = 0xFFFF;
58 packet->data.msg.dest_name.type = 0;
60 dgram_mailslot_ntlogon_reply(reply_iface->dgmsock,
62 ntlogon->req.logon.mailslot_name,
67 handle incoming ntlogon mailslot requests
69 void nbtd_mailslot_ntlogon_handler(struct dgram_mailslot_handler *dgmslot,
70 struct nbt_dgram_packet *packet,
71 struct socket_address *src)
73 NTSTATUS status = NT_STATUS_NO_MEMORY;
74 struct nbtd_interface *iface =
75 talloc_get_type(dgmslot->private, struct nbtd_interface);
76 struct nbt_ntlogon_packet *ntlogon =
77 talloc(dgmslot, struct nbt_ntlogon_packet);
78 struct nbtd_iface_name *iname;
79 struct nbt_name *name = &packet->data.msg.dest_name;
81 if (ntlogon == NULL) goto failed;
84 see if the we are listening on the destination netbios name
86 iname = nbtd_find_iname(iface, name, 0);
88 status = NT_STATUS_BAD_NETWORK_NAME;
92 DEBUG(2,("ntlogon request to %s from %s:%d\n",
93 nbt_name_string(ntlogon, name), src->addr, src->port));
94 status = dgram_mailslot_ntlogon_parse(dgmslot, ntlogon, packet, ntlogon);
95 if (!NT_STATUS_IS_OK(status)) goto failed;
97 NDR_PRINT_DEBUG(nbt_ntlogon_packet, ntlogon);
99 switch (ntlogon->command) {
100 case NTLOGON_SAM_LOGON:
101 nbtd_ntlogon_sam_logon(dgmslot, iface, packet, src, ntlogon);
104 DEBUG(2,("unknown ntlogon op %d from %s:%d\n",
105 ntlogon->command, src->addr, src->port));
109 talloc_free(ntlogon);
113 DEBUG(2,("nbtd ntlogon handler failed from %s:%d to %s - %s\n",
114 src->addr, src->port, nbt_name_string(ntlogon, name),
116 talloc_free(ntlogon);