2 * Unix SMB/CIFS implementation.
4 * SMBD RPC service callbacks
6 * Copyright (c) 2011 Andreas Schneider <asn@samba.org>
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/>.
27 #include "librpc/rpc/dcerpc_ep.h"
28 #include "../librpc/gen_ndr/srv_epmapper.h"
29 #include "rpc_server/rpc_server.h"
30 #include "rpc_server/rpc_sock_helper.h"
31 #include "rpc_server/epmapper/srv_epmapper.h"
33 #define DAEMON_NAME "epmd"
35 void start_epmd(struct tevent_context *ev_ctx,
36 struct messaging_context *msg_ctx);
38 static void epmd_reopen_logs(void)
40 char *lfile = lp_logfile(talloc_tos());
43 if (lfile == NULL || lfile[0] == '\0') {
44 rc = asprintf(&lfile, "%s/log.%s", get_dyn_LOGFILEBASE(), DAEMON_NAME);
46 lp_set_logfile(lfile);
50 if (strstr(lfile, DAEMON_NAME) == NULL) {
51 rc = asprintf(&lfile, "%s.%s",
52 lp_logfile(talloc_tos()), DAEMON_NAME);
54 lp_set_logfile(lfile);
63 static void epmd_smb_conf_updated(struct messaging_context *msg,
66 struct server_id server_id,
69 DEBUG(10, ("Got message saying smb.conf was updated. Reloading.\n"));
70 change_to_root_user();
74 static void epmd_sig_term_handler(struct tevent_context *ev,
75 struct tevent_signal *se,
81 rpc_epmapper_shutdown();
83 exit_server_cleanly("termination signal");
86 static void epmd_setup_sig_term_handler(struct tevent_context *ev_ctx)
88 struct tevent_signal *se;
90 se = tevent_add_signal(ev_ctx,
93 epmd_sig_term_handler,
96 exit_server("failed to setup SIGTERM handler");
100 static void epmd_sig_hup_handler(struct tevent_context *ev,
101 struct tevent_signal *se,
107 change_to_root_user();
109 DEBUG(1,("Reloading printers after SIGHUP\n"));
113 static void epmd_setup_sig_hup_handler(struct tevent_context *ev_ctx,
114 struct messaging_context *msg_ctx)
116 struct tevent_signal *se;
118 se = tevent_add_signal(ev_ctx,
121 epmd_sig_hup_handler,
124 exit_server("failed to setup SIGHUP handler");
128 static bool epmapper_shutdown_cb(void *ptr) {
129 srv_epmapper_cleanup();
134 void start_epmd(struct tevent_context *ev_ctx,
135 struct messaging_context *msg_ctx)
137 struct rpc_srv_callbacks epmapper_cb;
143 epmapper_cb.init = NULL;
144 epmapper_cb.shutdown = epmapper_shutdown_cb;
145 epmapper_cb.private_data = NULL;
147 DEBUG(1, ("Forking Endpoint Mapper Daemon\n"));
152 DEBUG(0, ("Failed to fork Endpoint Mapper [%s], aborting ...\n",
162 status = smbd_reinit_after_fork(msg_ctx, ev_ctx, true, "epmd");
163 if (!NT_STATUS_IS_OK(status)) {
164 DEBUG(0,("reinit_after_fork() failed\n"));
165 smb_panic("reinit_after_fork() failed");
170 epmd_setup_sig_term_handler(ev_ctx);
171 epmd_setup_sig_hup_handler(ev_ctx, msg_ctx);
173 messaging_register(msg_ctx,
175 MSG_SMB_CONF_UPDATED,
176 epmd_smb_conf_updated);
178 status = rpc_epmapper_init(&epmapper_cb);
179 if (!NT_STATUS_IS_OK(status)) {
180 DEBUG(0, ("Failed to register epmd rpc interface! (%s)\n",
185 status = rpc_setup_tcpip_sockets(ev_ctx,
190 if (!NT_STATUS_IS_OK(status)) {
191 DEBUG(0, ("Failed to open epmd tcpip sockets!\n"));
195 ok = setup_dcerpc_ncalrpc_socket(ev_ctx,
198 srv_epmapper_delete_endpoints);
200 DEBUG(0, ("Failed to open epmd ncalrpc pipe!\n"));
204 ok = setup_named_pipe_socket("epmapper", ev_ctx, msg_ctx);
206 DEBUG(0, ("Failed to open epmd named pipe!\n"));
210 DEBUG(1, ("Endpoint Mapper Daemon Started (%u)\n", (unsigned int)getpid()));
213 rc = tevent_loop_wait(ev_ctx);
215 /* should not be reached */
216 DEBUG(0,("background_queue: tevent_loop_wait() exited with %d - %s\n",
217 rc, (rc == 0) ? "out of events" : strerror(errno)));
222 /* vim: set ts=8 sw=8 noet cindent ft=c.doxygen: */