2 Unix SMB/CIFS implementation.
3 Main winbindd server routines
5 Copyright (C) Stefan Metzmacher 2005
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 2 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, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "lib/socket/socket.h"
25 #include "dlinklist.h"
26 #include "lib/events/events.h"
27 #include "smbd/service_task.h"
28 #include "smbd/service_stream.h"
29 #include "nsswitch/winbind_nss_config.h"
30 #include "winbind/wb_server.h"
31 #include "lib/stream/packet.h"
33 void wbsrv_terminate_connection(struct wbsrv_connection *wbconn, const char *reason)
35 stream_terminate_connection(wbconn->conn, reason);
39 called on a tcp recv error
41 static void wbsrv_recv_error(void *private, NTSTATUS status)
43 struct wbsrv_connection *wbconn = talloc_get_type(private, struct wbsrv_connection);
44 wbsrv_terminate_connection(wbconn, nt_errstr(status));
47 static void wbsrv_accept(struct stream_connection *conn)
49 struct wbsrv_listen_socket *listen_socket = talloc_get_type(conn->private,
50 struct wbsrv_listen_socket);
51 struct wbsrv_connection *wbconn;
53 wbconn = talloc_zero(conn, struct wbsrv_connection);
55 stream_terminate_connection(conn, "wbsrv_accept: out of memory");
59 wbconn->listen_socket = listen_socket;
60 conn->private = wbconn;
62 wbconn->packet = packet_init(wbconn);
63 if (wbconn->packet == NULL) {
64 wbsrv_terminate_connection(wbconn, "wbsrv_accept: out of memory");
67 packet_set_private(wbconn->packet, wbconn);
68 packet_set_socket(wbconn->packet, conn->socket);
69 packet_set_callback(wbconn->packet, wbsrv_samba3_process);
70 packet_set_full_request(wbconn->packet, wbsrv_samba3_packet_full_request);
71 packet_set_error_handler(wbconn->packet, wbsrv_recv_error);
72 packet_set_event_context(wbconn->packet, conn->event.ctx);
73 packet_set_fde(wbconn->packet, conn->event.fde);
74 packet_set_serialise(wbconn->packet);
78 receive some data on a winbind connection
80 static void wbsrv_recv(struct stream_connection *conn, uint16_t flags)
82 struct wbsrv_connection *wbconn = talloc_get_type(conn->private,
83 struct wbsrv_connection);
84 packet_recv(wbconn->packet);
89 called when we can write to a connection
91 static void wbsrv_send(struct stream_connection *conn, uint16_t flags)
93 struct wbsrv_connection *wbconn = talloc_get_type(conn->private,
94 struct wbsrv_connection);
95 packet_queue_run(wbconn->packet);
98 static const struct stream_server_ops wbsrv_ops = {
99 .name = "winbind samba3 protocol",
100 .accept_connection = wbsrv_accept,
101 .recv_handler = wbsrv_recv,
102 .send_handler = wbsrv_send
106 startup the winbind task
108 static void winbind_task_init(struct task_server *task)
111 const struct model_ops *model_ops;
113 struct wbsrv_service *service;
114 struct wbsrv_listen_socket *listen_socket;
116 /* within the winbind task we want to be a single process, so
117 ask for the single process model ops and pass these to the
118 stream_setup_socket() call. */
119 model_ops = process_model_byname("single");
121 task_server_terminate(task,
122 "Can't find 'single' process model_ops");
126 /* Make sure the directory for the Samba3 socket exists, and is of the correct permissions */
127 if (!directory_create_or_exist(lp_winbindd_socket_directory(), geteuid(), 0755)) {
128 task_server_terminate(task,
129 "Cannot create winbindd pipe directory");
133 service = talloc_zero(task, struct wbsrv_service);
134 if (!service) goto nomem;
135 service->task = task;
137 service->primary_sid = secrets_get_domain_sid(service,
139 if (service->primary_sid == NULL) {
140 task_server_terminate(
141 task, nt_errstr(NT_STATUS_CANT_ACCESS_DOMAIN_INFO));
145 /* setup the unprivileged samba3 socket */
146 listen_socket = talloc(service, struct wbsrv_listen_socket);
147 if (!listen_socket) goto nomem;
148 listen_socket->socket_path = talloc_asprintf(listen_socket, "%s/%s",
149 lp_winbindd_socket_directory(),
150 WINBINDD_SAMBA3_SOCKET);
151 if (!listen_socket->socket_path) goto nomem;
152 listen_socket->service = service;
153 listen_socket->privileged = False;
154 status = stream_setup_socket(task->event_ctx, model_ops,
156 listen_socket->socket_path, &port,
158 if (!NT_STATUS_IS_OK(status)) goto listen_failed;
160 /* setup the privileged samba3 socket */
161 listen_socket = talloc(service, struct wbsrv_listen_socket);
162 if (!listen_socket) goto nomem;
163 listen_socket->socket_path =
164 smbd_tmp_path(listen_socket,
165 WINBINDD_SAMBA3_PRIVILEGED_SOCKET);
166 if (!listen_socket->socket_path) goto nomem;
167 listen_socket->service = service;
168 listen_socket->privileged = True;
169 status = stream_setup_socket(task->event_ctx, model_ops,
171 listen_socket->socket_path, &port,
173 if (!NT_STATUS_IS_OK(status)) goto listen_failed;
178 DEBUG(0,("stream_setup_socket(path=%s) failed - %s\n",
179 listen_socket->socket_path, nt_errstr(status)));
180 task_server_terminate(task, nt_errstr(status));
183 task_server_terminate(task, nt_errstr(NT_STATUS_NO_MEMORY));
188 initialise the winbind server
190 static NTSTATUS winbind_init(struct event_context *event_ctx,
191 const struct model_ops *model_ops)
193 return task_server_startup(event_ctx, model_ops, winbind_task_init);
197 register ourselves as a available server
199 NTSTATUS server_service_winbind_init(void)
201 return register_server_service("winbind", winbind_init);