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"
26 #include "param/param.h"
29 reply to a SAM LOGON request
31 static void nbtd_ntlogon_sam_logon(struct dgram_mailslot_handler *dgmslot,
32 struct nbtd_interface *iface,
33 struct nbt_dgram_packet *packet,
34 const struct socket_address *src,
35 struct nbt_ntlogon_packet *ntlogon)
37 struct nbt_name *name = &packet->data.msg.dest_name;
38 struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, False);
39 struct nbt_ntlogon_packet reply;
40 struct nbt_ntlogon_sam_logon_reply *logon;
42 /* only answer sam logon requests on the PDC or LOGON names */
43 if (name->type != NBT_NAME_PDC && name->type != NBT_NAME_LOGON) {
47 /* setup a SAM LOGON reply */
49 reply.command = NTLOGON_SAM_LOGON_REPLY;
50 logon = &reply.req.reply;
52 logon->server = talloc_asprintf(packet, "\\\\%s", lp_netbios_name());
53 logon->user_name = ntlogon->req.logon.user_name;
54 logon->domain = lp_workgroup();
55 logon->nt_version = 1;
56 logon->lmnt_token = 0xFFFF;
57 logon->lm20_token = 0xFFFF;
59 packet->data.msg.dest_name.type = 0;
61 dgram_mailslot_ntlogon_reply(reply_iface->dgmsock,
63 ntlogon->req.logon.mailslot_name,
68 handle incoming ntlogon mailslot requests
70 void nbtd_mailslot_ntlogon_handler(struct dgram_mailslot_handler *dgmslot,
71 struct nbt_dgram_packet *packet,
72 struct socket_address *src)
74 NTSTATUS status = NT_STATUS_NO_MEMORY;
75 struct nbtd_interface *iface =
76 talloc_get_type(dgmslot->private, struct nbtd_interface);
77 struct nbt_ntlogon_packet *ntlogon =
78 talloc(dgmslot, struct nbt_ntlogon_packet);
79 struct nbtd_iface_name *iname;
80 struct nbt_name *name = &packet->data.msg.dest_name;
82 if (ntlogon == NULL) goto failed;
85 see if the we are listening on the destination netbios name
87 iname = nbtd_find_iname(iface, name, 0);
89 status = NT_STATUS_BAD_NETWORK_NAME;
93 DEBUG(2,("ntlogon request to %s from %s:%d\n",
94 nbt_name_string(ntlogon, name), src->addr, src->port));
95 status = dgram_mailslot_ntlogon_parse(dgmslot, ntlogon, packet, ntlogon);
96 if (!NT_STATUS_IS_OK(status)) goto failed;
98 NDR_PRINT_DEBUG(nbt_ntlogon_packet, ntlogon);
100 switch (ntlogon->command) {
101 case NTLOGON_SAM_LOGON:
102 nbtd_ntlogon_sam_logon(dgmslot, iface, packet, src, ntlogon);
105 DEBUG(2,("unknown ntlogon op %d from %s:%d\n",
106 ntlogon->command, src->addr, src->port));
110 talloc_free(ntlogon);
114 DEBUG(2,("nbtd ntlogon handler failed from %s:%d to %s - %s\n",
115 src->addr, src->port, nbt_name_string(ntlogon, name),
117 talloc_free(ntlogon);