2 Unix SMB/CIFS implementation.
4 irpc services for the NBT server
6 Copyright (C) Andrew Tridgell 2005
7 Copyright (C) Volker Lendecke 2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include "smbd/service_task.h"
26 #include "smbd/proto.h"
27 #include "nbt_server/nbt_server.h"
28 #include "nbt_server/wins/winsserver.h"
29 #include "lib/socket/socket.h"
30 #include "libcli/resolve/resolve.h"
33 serve out the nbt statistics
35 static NTSTATUS nbtd_information(struct irpc_message *msg,
36 struct nbtd_information *r)
38 struct nbtd_server *server = talloc_get_type(msg->private, struct nbtd_server);
40 switch (r->in.level) {
41 case NBTD_INFO_STATISTICS:
42 r->out.info.stats = &server->stats;
51 winbind needs to be able to do a getdc request, but some windows
52 servers always send the reply to port 138, regardless of the request
53 port. To cope with this we use a irpc request to the NBT server
54 which has port 138 open, and thus can receive the replies
57 struct irpc_message *msg;
58 struct nbtd_getdcname *req;
61 static void getdc_recv_ntlogon_reply(struct dgram_mailslot_handler *dgmslot,
62 struct nbt_dgram_packet *packet,
63 struct socket_address *src)
65 struct getdc_state *s =
66 talloc_get_type(dgmslot->private, struct getdc_state);
68 struct nbt_ntlogon_packet ntlogon;
71 status = dgram_mailslot_ntlogon_parse(dgmslot, packet, packet,
73 if (!NT_STATUS_IS_OK(status)) {
74 DEBUG(5, ("dgram_mailslot_ntlogon_parse failed: %s\n",
79 status = NT_STATUS_NO_LOGON_SERVERS;
81 DEBUG(10, ("reply: command=%d\n", ntlogon.command));
83 switch (ntlogon.command) {
84 case NTLOGON_SAM_LOGON:
85 DEBUG(0, ("Huh -- got NTLOGON_SAM_LOGON as reply\n"));
87 case NTLOGON_SAM_LOGON_REPLY:
88 case NTLOGON_SAM_LOGON_REPLY15: {
89 const char *p = ntlogon.req.reply.server;
91 DEBUG(10, ("NTLOGON_SAM_LOGON_REPLY: server: %s, user: %s, "
92 "domain: %s\n", p, ntlogon.req.reply.user_name,
93 ntlogon.req.reply.domain));
95 if (*p == '\\') p += 1;
96 if (*p == '\\') p += 1;
98 s->req->out.dcname = talloc_strdup(s->req, p);
99 if (s->req->out.dcname == NULL) {
100 DEBUG(0, ("talloc failed\n"));
101 status = NT_STATUS_NO_MEMORY;
104 status = NT_STATUS_OK;
108 DEBUG(0, ("Got unknown packet: %d\n", ntlogon.command));
113 irpc_send_reply(s->msg, status);
116 static NTSTATUS nbtd_getdcname(struct irpc_message *msg,
117 struct nbtd_getdcname *req)
119 struct nbtd_server *server =
120 talloc_get_type(msg->private, struct nbtd_server);
121 struct nbtd_interface *iface = nbtd_find_interface(server, req->in.ip_address);
122 struct getdc_state *s;
123 struct nbt_ntlogon_packet p;
124 struct nbt_ntlogon_sam_logon *r;
125 struct nbt_name src, dst;
126 struct socket_address *dest;
127 struct dgram_mailslot_handler *handler;
128 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
130 DEBUG(0, ("nbtd_getdcname called\n"));
132 s = talloc(msg, struct getdc_state);
133 NT_STATUS_HAVE_NO_MEMORY(s);
138 handler = dgram_mailslot_temp(iface->dgmsock, NBT_MAILSLOT_GETDC,
139 getdc_recv_ntlogon_reply, s);
140 NT_STATUS_HAVE_NO_MEMORY(handler);
143 p.command = NTLOGON_SAM_LOGON;
145 r->request_count = 0;
146 r->computer_name = req->in.my_computername;
147 r->user_name = req->in.my_accountname;
148 r->mailslot_name = handler->mailslot_name;
149 r->acct_control = req->in.account_control;
150 r->sid = *req->in.domain_sid;
152 r->lmnt_token = 0xffff;
153 r->lm20_token = 0xffff;
155 make_nbt_name_client(&src, req->in.my_computername);
156 make_nbt_name(&dst, req->in.domainname, 0x1c);
158 dest = socket_address_from_strings(msg, iface->dgmsock->sock->backend_name,
159 req->in.ip_address, 138);
160 NT_STATUS_HAVE_NO_MEMORY(dest);
162 status = dgram_mailslot_ntlogon_send(iface->dgmsock, DGRAM_DIRECT_GROUP,
165 if (!NT_STATUS_IS_OK(status)) {
166 DEBUG(0, ("dgram_mailslot_ntlogon_send failed: %s\n",
171 msg->defer_reply = True;
177 register the irpc handlers for the nbt server
179 void nbtd_register_irpc(struct nbtd_server *nbtsrv)
182 struct task_server *task = nbtsrv->task;
184 status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_INFORMATION,
185 nbtd_information, nbtsrv);
186 if (!NT_STATUS_IS_OK(status)) {
187 task_server_terminate(task, "nbtd failed to setup monitoring");
191 status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_GETDCNAME,
192 nbtd_getdcname, nbtsrv);
193 if (!NT_STATUS_IS_OK(status)) {
194 task_server_terminate(task, "nbtd failed to setup getdcname "
199 status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_PROXY_WINS_CHALLENGE,
200 nbtd_proxy_wins_challenge, nbtsrv);
201 if (!NT_STATUS_IS_OK(status)) {
202 task_server_terminate(task, "nbtd failed to setup wins challenge "
207 status = IRPC_REGISTER(task->msg_ctx, irpc, NBTD_PROXY_WINS_RELEASE_DEMAND,
208 nbtd_proxy_wins_release_demand, nbtsrv);
209 if (!NT_STATUS_IS_OK(status)) {
210 task_server_terminate(task, "nbtd failed to setup wins release demand "